March 2021 - Linux-stable-mirror

FAILED: patch "[PATCH] block: Discard page cache of zone reset target range" failed to apply to 4.14-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 4.14-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From e5113505904ea1c1c0e1f92c1cfa91fbf4da1694 Mon Sep 17 00:00:00 2001 From: Shin'ichiro Kawasaki <shinichiro.kawasaki(a)wdc.com> Date: Thu, 11 Mar 2021 16:25:46 +0900 Subject: [PATCH] block: Discard page cache of zone reset target range When zone reset ioctl and data read race for a same zone on zoned block devices, the data read leaves stale page cache even though the zone reset ioctl zero clears all the zone data on the device. To avoid non-zero data read from the stale page cache after zone reset, discard page cache of reset target zones in blkdev_zone_mgmt_ioctl(). Introduce the helper function blkdev_truncate_zone_range() to discard the page cache. Ensure the page cache discarded by calling the helper function before and after zone reset in same manner as fallocate does. This patch can be applied back to the stable kernel version v5.10.y. Rework is needed for older stable kernels. Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki(a)wdc.com> Fixes: 3ed05a987e0f ("blk-zoned: implement ioctls") Cc: <stable(a)vger.kernel.org> # 5.10+ Reviewed-by: Christoph Hellwig <hch(a)lst.de> Reviewed-by: Johannes Thumshirn <johannes.thumshirn(a)wdc.com> Link: https://lore.kernel.org/r/20210311072546.678999-1-shinichiro.kawasaki@wdc.c… Signed-off-by: Jens Axboe <axboe(a)kernel.dk> diff --git a/block/blk-zoned.c b/block/blk-zoned.c index 8b9f3fc5a690..c0276b42d9fb 100644 --- a/block/blk-zoned.c +++ b/block/blk-zoned.c @@ -318,6 +318,22 @@ int blkdev_report_zones_ioctl(struct block_device *bdev, fmode_t mode, return 0; } +static int blkdev_truncate_zone_range(struct block_device *bdev, fmode_t mode, + const struct blk_zone_range *zrange) +{ + loff_t start, end; + + if (zrange->sector + zrange->nr_sectors <= zrange->sector || + zrange->sector + zrange->nr_sectors > get_capacity(bdev->bd_disk)) + /* Out of range */ + return -EINVAL; + + start = zrange->sector << SECTOR_SHIFT; + end = ((zrange->sector + zrange->nr_sectors) << SECTOR_SHIFT) - 1; + + return truncate_bdev_range(bdev, mode, start, end); +} + /* * BLKRESETZONE, BLKOPENZONE, BLKCLOSEZONE and BLKFINISHZONE ioctl processing. * Called from blkdev_ioctl. @@ -329,6 +345,7 @@ int blkdev_zone_mgmt_ioctl(struct block_device *bdev, fmode_t mode, struct request_queue *q; struct blk_zone_range zrange; enum req_opf op; + int ret; if (!argp) return -EINVAL; @@ -352,6 +369,11 @@ int blkdev_zone_mgmt_ioctl(struct block_device *bdev, fmode_t mode, switch (cmd) { case BLKRESETZONE: op = REQ_OP_ZONE_RESET; + + /* Invalidate the page cache, including dirty pages. */ + ret = blkdev_truncate_zone_range(bdev, mode, &zrange); + if (ret) + return ret; break; case BLKOPENZONE: op = REQ_OP_ZONE_OPEN; @@ -366,8 +388,20 @@ int blkdev_zone_mgmt_ioctl(struct block_device *bdev, fmode_t mode, return -ENOTTY; } - return blkdev_zone_mgmt(bdev, op, zrange.sector, zrange.nr_sectors, - GFP_KERNEL); + ret = blkdev_zone_mgmt(bdev, op, zrange.sector, zrange.nr_sectors, + GFP_KERNEL); + + /* + * Invalidate the page cache again for zone reset: writes can only be + * direct for zoned devices so concurrent writes would not add any page + * to the page cache after/during reset. The page cache may be filled + * again due to concurrent reads though and dropping the pages for + * these is fine. + */ + if (!ret && cmd == BLKRESETZONE) + ret = blkdev_truncate_zone_range(bdev, mode, &zrange); + + return ret; } static inline unsigned long *blk_alloc_zone_bitmap(int node,

3 years, 7 months

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FAILED: patch "[PATCH] block: Discard page cache of zone reset target range" failed to apply to 4.19-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 4.19-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From e5113505904ea1c1c0e1f92c1cfa91fbf4da1694 Mon Sep 17 00:00:00 2001 From: Shin'ichiro Kawasaki <shinichiro.kawasaki(a)wdc.com> Date: Thu, 11 Mar 2021 16:25:46 +0900 Subject: [PATCH] block: Discard page cache of zone reset target range When zone reset ioctl and data read race for a same zone on zoned block devices, the data read leaves stale page cache even though the zone reset ioctl zero clears all the zone data on the device. To avoid non-zero data read from the stale page cache after zone reset, discard page cache of reset target zones in blkdev_zone_mgmt_ioctl(). Introduce the helper function blkdev_truncate_zone_range() to discard the page cache. Ensure the page cache discarded by calling the helper function before and after zone reset in same manner as fallocate does. This patch can be applied back to the stable kernel version v5.10.y. Rework is needed for older stable kernels. Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki(a)wdc.com> Fixes: 3ed05a987e0f ("blk-zoned: implement ioctls") Cc: <stable(a)vger.kernel.org> # 5.10+ Reviewed-by: Christoph Hellwig <hch(a)lst.de> Reviewed-by: Johannes Thumshirn <johannes.thumshirn(a)wdc.com> Link: https://lore.kernel.org/r/20210311072546.678999-1-shinichiro.kawasaki@wdc.c… Signed-off-by: Jens Axboe <axboe(a)kernel.dk> diff --git a/block/blk-zoned.c b/block/blk-zoned.c index 8b9f3fc5a690..c0276b42d9fb 100644 --- a/block/blk-zoned.c +++ b/block/blk-zoned.c @@ -318,6 +318,22 @@ int blkdev_report_zones_ioctl(struct block_device *bdev, fmode_t mode, return 0; } +static int blkdev_truncate_zone_range(struct block_device *bdev, fmode_t mode, + const struct blk_zone_range *zrange) +{ + loff_t start, end; + + if (zrange->sector + zrange->nr_sectors <= zrange->sector || + zrange->sector + zrange->nr_sectors > get_capacity(bdev->bd_disk)) + /* Out of range */ + return -EINVAL; + + start = zrange->sector << SECTOR_SHIFT; + end = ((zrange->sector + zrange->nr_sectors) << SECTOR_SHIFT) - 1; + + return truncate_bdev_range(bdev, mode, start, end); +} + /* * BLKRESETZONE, BLKOPENZONE, BLKCLOSEZONE and BLKFINISHZONE ioctl processing. * Called from blkdev_ioctl. @@ -329,6 +345,7 @@ int blkdev_zone_mgmt_ioctl(struct block_device *bdev, fmode_t mode, struct request_queue *q; struct blk_zone_range zrange; enum req_opf op; + int ret; if (!argp) return -EINVAL; @@ -352,6 +369,11 @@ int blkdev_zone_mgmt_ioctl(struct block_device *bdev, fmode_t mode, switch (cmd) { case BLKRESETZONE: op = REQ_OP_ZONE_RESET; + + /* Invalidate the page cache, including dirty pages. */ + ret = blkdev_truncate_zone_range(bdev, mode, &zrange); + if (ret) + return ret; break; case BLKOPENZONE: op = REQ_OP_ZONE_OPEN; @@ -366,8 +388,20 @@ int blkdev_zone_mgmt_ioctl(struct block_device *bdev, fmode_t mode, return -ENOTTY; } - return blkdev_zone_mgmt(bdev, op, zrange.sector, zrange.nr_sectors, - GFP_KERNEL); + ret = blkdev_zone_mgmt(bdev, op, zrange.sector, zrange.nr_sectors, + GFP_KERNEL); + + /* + * Invalidate the page cache again for zone reset: writes can only be + * direct for zoned devices so concurrent writes would not add any page + * to the page cache after/during reset. The page cache may be filled + * again due to concurrent reads though and dropping the pages for + * these is fine. + */ + if (!ret && cmd == BLKRESETZONE) + ret = blkdev_truncate_zone_range(bdev, mode, &zrange); + + return ret; } static inline unsigned long *blk_alloc_zone_bitmap(int node,

3 years, 7 months

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FAILED: patch "[PATCH] block: Discard page cache of zone reset target range" failed to apply to 5.4-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.4-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From e5113505904ea1c1c0e1f92c1cfa91fbf4da1694 Mon Sep 17 00:00:00 2001 From: Shin'ichiro Kawasaki <shinichiro.kawasaki(a)wdc.com> Date: Thu, 11 Mar 2021 16:25:46 +0900 Subject: [PATCH] block: Discard page cache of zone reset target range When zone reset ioctl and data read race for a same zone on zoned block devices, the data read leaves stale page cache even though the zone reset ioctl zero clears all the zone data on the device. To avoid non-zero data read from the stale page cache after zone reset, discard page cache of reset target zones in blkdev_zone_mgmt_ioctl(). Introduce the helper function blkdev_truncate_zone_range() to discard the page cache. Ensure the page cache discarded by calling the helper function before and after zone reset in same manner as fallocate does. This patch can be applied back to the stable kernel version v5.10.y. Rework is needed for older stable kernels. Signed-off-by: Shin'ichiro Kawasaki <shinichiro.kawasaki(a)wdc.com> Fixes: 3ed05a987e0f ("blk-zoned: implement ioctls") Cc: <stable(a)vger.kernel.org> # 5.10+ Reviewed-by: Christoph Hellwig <hch(a)lst.de> Reviewed-by: Johannes Thumshirn <johannes.thumshirn(a)wdc.com> Link: https://lore.kernel.org/r/20210311072546.678999-1-shinichiro.kawasaki@wdc.c… Signed-off-by: Jens Axboe <axboe(a)kernel.dk> diff --git a/block/blk-zoned.c b/block/blk-zoned.c index 8b9f3fc5a690..c0276b42d9fb 100644 --- a/block/blk-zoned.c +++ b/block/blk-zoned.c @@ -318,6 +318,22 @@ int blkdev_report_zones_ioctl(struct block_device *bdev, fmode_t mode, return 0; } +static int blkdev_truncate_zone_range(struct block_device *bdev, fmode_t mode, + const struct blk_zone_range *zrange) +{ + loff_t start, end; + + if (zrange->sector + zrange->nr_sectors <= zrange->sector || + zrange->sector + zrange->nr_sectors > get_capacity(bdev->bd_disk)) + /* Out of range */ + return -EINVAL; + + start = zrange->sector << SECTOR_SHIFT; + end = ((zrange->sector + zrange->nr_sectors) << SECTOR_SHIFT) - 1; + + return truncate_bdev_range(bdev, mode, start, end); +} + /* * BLKRESETZONE, BLKOPENZONE, BLKCLOSEZONE and BLKFINISHZONE ioctl processing. * Called from blkdev_ioctl. @@ -329,6 +345,7 @@ int blkdev_zone_mgmt_ioctl(struct block_device *bdev, fmode_t mode, struct request_queue *q; struct blk_zone_range zrange; enum req_opf op; + int ret; if (!argp) return -EINVAL; @@ -352,6 +369,11 @@ int blkdev_zone_mgmt_ioctl(struct block_device *bdev, fmode_t mode, switch (cmd) { case BLKRESETZONE: op = REQ_OP_ZONE_RESET; + + /* Invalidate the page cache, including dirty pages. */ + ret = blkdev_truncate_zone_range(bdev, mode, &zrange); + if (ret) + return ret; break; case BLKOPENZONE: op = REQ_OP_ZONE_OPEN; @@ -366,8 +388,20 @@ int blkdev_zone_mgmt_ioctl(struct block_device *bdev, fmode_t mode, return -ENOTTY; } - return blkdev_zone_mgmt(bdev, op, zrange.sector, zrange.nr_sectors, - GFP_KERNEL); + ret = blkdev_zone_mgmt(bdev, op, zrange.sector, zrange.nr_sectors, + GFP_KERNEL); + + /* + * Invalidate the page cache again for zone reset: writes can only be + * direct for zoned devices so concurrent writes would not add any page + * to the page cache after/during reset. The page cache may be filled + * again due to concurrent reads though and dropping the pages for + * these is fine. + */ + if (!ret && cmd == BLKRESETZONE) + ret = blkdev_truncate_zone_range(bdev, mode, &zrange); + + return ret; } static inline unsigned long *blk_alloc_zone_bitmap(int node,

3 years, 7 months

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FAILED: patch "[PATCH] regulator: pca9450: Clear PRESET_EN bit to fix BUCK1/2/3" failed to apply to 5.10-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.10-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 98b94b6e38ca0c4eeb29949c656f6a315000c23e Mon Sep 17 00:00:00 2001 From: Frieder Schrempf <frieder.schrempf(a)kontron.de> Date: Mon, 22 Feb 2021 12:52:20 +0100 Subject: [PATCH] regulator: pca9450: Clear PRESET_EN bit to fix BUCK1/2/3 voltage setting The driver uses the DVS registers PCA9450_REG_BUCKxOUT_DVS0 to set the voltage for the buck regulators 1, 2 and 3. This has no effect as the PRESET_EN bit is set by default and therefore the preset values are used instead, which are set to 850 mV. To fix this we clear the PRESET_EN bit at time of initialization. Fixes: 0935ff5f1f0a ("regulator: pca9450: add pca9450 pmic driver") Cc: <stable(a)vger.kernel.org> Signed-off-by: Frieder Schrempf <frieder.schrempf(a)kontron.de> Link: https://lore.kernel.org/r/20210222115229.166620-1-frieder.schrempf@kontron.… Signed-off-by: Mark Brown <broonie(a)kernel.org> diff --git a/drivers/regulator/pca9450-regulator.c b/drivers/regulator/pca9450-regulator.c index 89b806be399f..2f7ee212cb8c 100644 --- a/drivers/regulator/pca9450-regulator.c +++ b/drivers/regulator/pca9450-regulator.c @@ -797,6 +797,14 @@ static int pca9450_i2c_probe(struct i2c_client *i2c, return ret; } + /* Clear PRESET_EN bit in BUCK123_DVS to use DVS registers */ + ret = regmap_clear_bits(pca9450->regmap, PCA9450_REG_BUCK123_DVS, + BUCK123_PRESET_EN); + if (ret) { + dev_err(&i2c->dev, "Failed to clear PRESET_EN bit: %d\n", ret); + return ret; + } + /* Set reset behavior on assertion of WDOG_B signal */ ret = regmap_update_bits(pca9450->regmap, PCA9450_REG_RESET_CTRL, WDOG_B_CFG_MASK, WDOG_B_CFG_COLD_LDO12); diff --git a/include/linux/regulator/pca9450.h b/include/linux/regulator/pca9450.h index ccdb5320a240..71902f41c919 100644 --- a/include/linux/regulator/pca9450.h +++ b/include/linux/regulator/pca9450.h @@ -147,6 +147,9 @@ enum { #define BUCK6_FPWM 0x04 #define BUCK6_ENMODE_MASK 0x03 +/* PCA9450_REG_BUCK123_PRESET_EN bit */ +#define BUCK123_PRESET_EN 0x80 + /* PCA9450_BUCK1OUT_DVS0 bits */ #define BUCK1OUT_DVS0_MASK 0x7F #define BUCK1OUT_DVS0_DEFAULT 0x14

3 years, 7 months

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FAILED: patch "[PATCH] regulator: pca9450: Clear PRESET_EN bit to fix BUCK1/2/3" failed to apply to 5.11-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.11-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 98b94b6e38ca0c4eeb29949c656f6a315000c23e Mon Sep 17 00:00:00 2001 From: Frieder Schrempf <frieder.schrempf(a)kontron.de> Date: Mon, 22 Feb 2021 12:52:20 +0100 Subject: [PATCH] regulator: pca9450: Clear PRESET_EN bit to fix BUCK1/2/3 voltage setting The driver uses the DVS registers PCA9450_REG_BUCKxOUT_DVS0 to set the voltage for the buck regulators 1, 2 and 3. This has no effect as the PRESET_EN bit is set by default and therefore the preset values are used instead, which are set to 850 mV. To fix this we clear the PRESET_EN bit at time of initialization. Fixes: 0935ff5f1f0a ("regulator: pca9450: add pca9450 pmic driver") Cc: <stable(a)vger.kernel.org> Signed-off-by: Frieder Schrempf <frieder.schrempf(a)kontron.de> Link: https://lore.kernel.org/r/20210222115229.166620-1-frieder.schrempf@kontron.… Signed-off-by: Mark Brown <broonie(a)kernel.org> diff --git a/drivers/regulator/pca9450-regulator.c b/drivers/regulator/pca9450-regulator.c index 89b806be399f..2f7ee212cb8c 100644 --- a/drivers/regulator/pca9450-regulator.c +++ b/drivers/regulator/pca9450-regulator.c @@ -797,6 +797,14 @@ static int pca9450_i2c_probe(struct i2c_client *i2c, return ret; } + /* Clear PRESET_EN bit in BUCK123_DVS to use DVS registers */ + ret = regmap_clear_bits(pca9450->regmap, PCA9450_REG_BUCK123_DVS, + BUCK123_PRESET_EN); + if (ret) { + dev_err(&i2c->dev, "Failed to clear PRESET_EN bit: %d\n", ret); + return ret; + } + /* Set reset behavior on assertion of WDOG_B signal */ ret = regmap_update_bits(pca9450->regmap, PCA9450_REG_RESET_CTRL, WDOG_B_CFG_MASK, WDOG_B_CFG_COLD_LDO12); diff --git a/include/linux/regulator/pca9450.h b/include/linux/regulator/pca9450.h index ccdb5320a240..71902f41c919 100644 --- a/include/linux/regulator/pca9450.h +++ b/include/linux/regulator/pca9450.h @@ -147,6 +147,9 @@ enum { #define BUCK6_FPWM 0x04 #define BUCK6_ENMODE_MASK 0x03 +/* PCA9450_REG_BUCK123_PRESET_EN bit */ +#define BUCK123_PRESET_EN 0x80 + /* PCA9450_BUCK1OUT_DVS0 bits */ #define BUCK1OUT_DVS0_MASK 0x7F #define BUCK1OUT_DVS0_DEFAULT 0x14

3 years, 7 months

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FAILED: patch "[PATCH] io_uring: Convert personality_idr to XArray" failed to apply to 5.10-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.10-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 61cf93700fe6359552848ed5e3becba6cd760efa Mon Sep 17 00:00:00 2001 From: "Matthew Wilcox (Oracle)" <willy(a)infradead.org> Date: Mon, 8 Mar 2021 14:16:16 +0000 Subject: [PATCH] io_uring: Convert personality_idr to XArray You can't call idr_remove() from within a idr_for_each() callback, but you can call xa_erase() from an xa_for_each() loop, so switch the entire personality_idr from the IDR to the XArray. This manifests as a use-after-free as idr_for_each() attempts to walk the rest of the node after removing the last entry from it. Fixes: 071698e13ac6 ("io_uring: allow registering credentials") Cc: stable(a)vger.kernel.org # 5.6+ Reported-by: yangerkun <yangerkun(a)huawei.com> Signed-off-by: Matthew Wilcox (Oracle) <willy(a)infradead.org> [Pavel: rebased (creds load was moved into io_init_req())] Signed-off-by: Pavel Begunkov <asml.silence(a)gmail.com> Link: https://lore.kernel.org/r/7ccff36e1375f2b0ebf73d957f037b43becc0dde.16152128… Signed-off-by: Jens Axboe <axboe(a)kernel.dk> diff --git a/fs/io_uring.c b/fs/io_uring.c index 3f6db813d670..84eb499368a4 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -406,7 +406,8 @@ struct io_ring_ctx { struct idr io_buffer_idr; - struct idr personality_idr; + struct xarray personalities; + u32 pers_next; struct { unsigned cached_cq_tail; @@ -1137,7 +1138,7 @@ static struct io_ring_ctx *io_ring_ctx_alloc(struct io_uring_params *p) init_completion(&ctx->ref_comp); init_completion(&ctx->sq_thread_comp); idr_init(&ctx->io_buffer_idr); - idr_init(&ctx->personality_idr); + xa_init_flags(&ctx->personalities, XA_FLAGS_ALLOC1); mutex_init(&ctx->uring_lock); init_waitqueue_head(&ctx->wait); spin_lock_init(&ctx->completion_lock); @@ -6337,7 +6338,7 @@ static int io_init_req(struct io_ring_ctx *ctx, struct io_kiocb *req, req->work.list.next = NULL; personality = READ_ONCE(sqe->personality); if (personality) { - req->work.creds = idr_find(&ctx->personality_idr, personality); + req->work.creds = xa_load(&ctx->personalities, personality); if (!req->work.creds) return -EINVAL; get_cred(req->work.creds); @@ -8355,7 +8356,6 @@ static void io_ring_ctx_free(struct io_ring_ctx *ctx) mutex_unlock(&ctx->uring_lock); io_eventfd_unregister(ctx); io_destroy_buffers(ctx); - idr_destroy(&ctx->personality_idr); #if defined(CONFIG_UNIX) if (ctx->ring_sock) { @@ -8420,7 +8420,7 @@ static int io_unregister_personality(struct io_ring_ctx *ctx, unsigned id) { const struct cred *creds; - creds = idr_remove(&ctx->personality_idr, id); + creds = xa_erase(&ctx->personalities, id); if (creds) { put_cred(creds); return 0; @@ -8429,14 +8429,6 @@ static int io_unregister_personality(struct io_ring_ctx *ctx, unsigned id) return -EINVAL; } -static int io_remove_personalities(int id, void *p, void *data) -{ - struct io_ring_ctx *ctx = data; - - io_unregister_personality(ctx, id); - return 0; -} - static bool io_run_ctx_fallback(struct io_ring_ctx *ctx) { struct callback_head *work, *next; @@ -8526,13 +8518,17 @@ static void io_ring_exit_work(struct work_struct *work) static void io_ring_ctx_wait_and_kill(struct io_ring_ctx *ctx) { + unsigned long index; + struct creds *creds; + mutex_lock(&ctx->uring_lock); percpu_ref_kill(&ctx->refs); /* if force is set, the ring is going away. always drop after that */ ctx->cq_overflow_flushed = 1; if (ctx->rings) __io_cqring_overflow_flush(ctx, true, NULL, NULL); - idr_for_each(&ctx->personality_idr, io_remove_personalities, ctx); + xa_for_each(&ctx->personalities, index, creds) + io_unregister_personality(ctx, index); mutex_unlock(&ctx->uring_lock); io_kill_timeouts(ctx, NULL, NULL); @@ -9162,10 +9158,9 @@ SYSCALL_DEFINE6(io_uring_enter, unsigned int, fd, u32, to_submit, } #ifdef CONFIG_PROC_FS -static int io_uring_show_cred(int id, void *p, void *data) +static int io_uring_show_cred(struct seq_file *m, unsigned int id, + const struct cred *cred) { - const struct cred *cred = p; - struct seq_file *m = data; struct user_namespace *uns = seq_user_ns(m); struct group_info *gi; kernel_cap_t cap; @@ -9233,9 +9228,13 @@ static void __io_uring_show_fdinfo(struct io_ring_ctx *ctx, struct seq_file *m) seq_printf(m, "%5u: 0x%llx/%u\n", i, buf->ubuf, (unsigned int) buf->len); } - if (has_lock && !idr_is_empty(&ctx->personality_idr)) { + if (has_lock && !xa_empty(&ctx->personalities)) { + unsigned long index; + const struct cred *cred; + seq_printf(m, "Personalities:\n"); - idr_for_each(&ctx->personality_idr, io_uring_show_cred, m); + xa_for_each(&ctx->personalities, index, cred) + io_uring_show_cred(m, index, cred); } seq_printf(m, "PollList:\n"); spin_lock_irq(&ctx->completion_lock); @@ -9564,14 +9563,16 @@ static int io_probe(struct io_ring_ctx *ctx, void __user *arg, unsigned nr_args) static int io_register_personality(struct io_ring_ctx *ctx) { const struct cred *creds; + u32 id; int ret; creds = get_current_cred(); - ret = idr_alloc_cyclic(&ctx->personality_idr, (void *) creds, 1, - USHRT_MAX, GFP_KERNEL); - if (ret < 0) - put_cred(creds); + ret = xa_alloc_cyclic(&ctx->personalities, &id, (void *)creds, + XA_LIMIT(0, USHRT_MAX), &ctx->pers_next, GFP_KERNEL); + if (!ret) + return id; + put_cred(creds); return ret; }

3 years, 7 months

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FAILED: patch "[PATCH] io_uring: Convert personality_idr to XArray" failed to apply to 5.11-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.11-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to <stable(a)vger.kernel.org>. thanks, greg k-h ------------------ original commit in Linus's tree ------------------ >From 61cf93700fe6359552848ed5e3becba6cd760efa Mon Sep 17 00:00:00 2001 From: "Matthew Wilcox (Oracle)" <willy(a)infradead.org> Date: Mon, 8 Mar 2021 14:16:16 +0000 Subject: [PATCH] io_uring: Convert personality_idr to XArray You can't call idr_remove() from within a idr_for_each() callback, but you can call xa_erase() from an xa_for_each() loop, so switch the entire personality_idr from the IDR to the XArray. This manifests as a use-after-free as idr_for_each() attempts to walk the rest of the node after removing the last entry from it. Fixes: 071698e13ac6 ("io_uring: allow registering credentials") Cc: stable(a)vger.kernel.org # 5.6+ Reported-by: yangerkun <yangerkun(a)huawei.com> Signed-off-by: Matthew Wilcox (Oracle) <willy(a)infradead.org> [Pavel: rebased (creds load was moved into io_init_req())] Signed-off-by: Pavel Begunkov <asml.silence(a)gmail.com> Link: https://lore.kernel.org/r/7ccff36e1375f2b0ebf73d957f037b43becc0dde.16152128… Signed-off-by: Jens Axboe <axboe(a)kernel.dk> diff --git a/fs/io_uring.c b/fs/io_uring.c index 3f6db813d670..84eb499368a4 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -406,7 +406,8 @@ struct io_ring_ctx { struct idr io_buffer_idr; - struct idr personality_idr; + struct xarray personalities; + u32 pers_next; struct { unsigned cached_cq_tail; @@ -1137,7 +1138,7 @@ static struct io_ring_ctx *io_ring_ctx_alloc(struct io_uring_params *p) init_completion(&ctx->ref_comp); init_completion(&ctx->sq_thread_comp); idr_init(&ctx->io_buffer_idr); - idr_init(&ctx->personality_idr); + xa_init_flags(&ctx->personalities, XA_FLAGS_ALLOC1); mutex_init(&ctx->uring_lock); init_waitqueue_head(&ctx->wait); spin_lock_init(&ctx->completion_lock); @@ -6337,7 +6338,7 @@ static int io_init_req(struct io_ring_ctx *ctx, struct io_kiocb *req, req->work.list.next = NULL; personality = READ_ONCE(sqe->personality); if (personality) { - req->work.creds = idr_find(&ctx->personality_idr, personality); + req->work.creds = xa_load(&ctx->personalities, personality); if (!req->work.creds) return -EINVAL; get_cred(req->work.creds); @@ -8355,7 +8356,6 @@ static void io_ring_ctx_free(struct io_ring_ctx *ctx) mutex_unlock(&ctx->uring_lock); io_eventfd_unregister(ctx); io_destroy_buffers(ctx); - idr_destroy(&ctx->personality_idr); #if defined(CONFIG_UNIX) if (ctx->ring_sock) { @@ -8420,7 +8420,7 @@ static int io_unregister_personality(struct io_ring_ctx *ctx, unsigned id) { const struct cred *creds; - creds = idr_remove(&ctx->personality_idr, id); + creds = xa_erase(&ctx->personalities, id); if (creds) { put_cred(creds); return 0; @@ -8429,14 +8429,6 @@ static int io_unregister_personality(struct io_ring_ctx *ctx, unsigned id) return -EINVAL; } -static int io_remove_personalities(int id, void *p, void *data) -{ - struct io_ring_ctx *ctx = data; - - io_unregister_personality(ctx, id); - return 0; -} - static bool io_run_ctx_fallback(struct io_ring_ctx *ctx) { struct callback_head *work, *next; @@ -8526,13 +8518,17 @@ static void io_ring_exit_work(struct work_struct *work) static void io_ring_ctx_wait_and_kill(struct io_ring_ctx *ctx) { + unsigned long index; + struct creds *creds; + mutex_lock(&ctx->uring_lock); percpu_ref_kill(&ctx->refs); /* if force is set, the ring is going away. always drop after that */ ctx->cq_overflow_flushed = 1; if (ctx->rings) __io_cqring_overflow_flush(ctx, true, NULL, NULL); - idr_for_each(&ctx->personality_idr, io_remove_personalities, ctx); + xa_for_each(&ctx->personalities, index, creds) + io_unregister_personality(ctx, index); mutex_unlock(&ctx->uring_lock); io_kill_timeouts(ctx, NULL, NULL); @@ -9162,10 +9158,9 @@ SYSCALL_DEFINE6(io_uring_enter, unsigned int, fd, u32, to_submit, } #ifdef CONFIG_PROC_FS -static int io_uring_show_cred(int id, void *p, void *data) +static int io_uring_show_cred(struct seq_file *m, unsigned int id, + const struct cred *cred) { - const struct cred *cred = p; - struct seq_file *m = data; struct user_namespace *uns = seq_user_ns(m); struct group_info *gi; kernel_cap_t cap; @@ -9233,9 +9228,13 @@ static void __io_uring_show_fdinfo(struct io_ring_ctx *ctx, struct seq_file *m) seq_printf(m, "%5u: 0x%llx/%u\n", i, buf->ubuf, (unsigned int) buf->len); } - if (has_lock && !idr_is_empty(&ctx->personality_idr)) { + if (has_lock && !xa_empty(&ctx->personalities)) { + unsigned long index; + const struct cred *cred; + seq_printf(m, "Personalities:\n"); - idr_for_each(&ctx->personality_idr, io_uring_show_cred, m); + xa_for_each(&ctx->personalities, index, cred) + io_uring_show_cred(m, index, cred); } seq_printf(m, "PollList:\n"); spin_lock_irq(&ctx->completion_lock); @@ -9564,14 +9563,16 @@ static int io_probe(struct io_ring_ctx *ctx, void __user *arg, unsigned nr_args) static int io_register_personality(struct io_ring_ctx *ctx) { const struct cred *creds; + u32 id; int ret; creds = get_current_cred(); - ret = idr_alloc_cyclic(&ctx->personality_idr, (void *) creds, 1, - USHRT_MAX, GFP_KERNEL); - if (ret < 0) - put_cred(creds); + ret = xa_alloc_cyclic(&ctx->personalities, &id, (void *)creds, + XA_LIMIT(0, USHRT_MAX), &ctx->pers_next, GFP_KERNEL); + if (!ret) + return id; + put_cred(creds); return ret; }

3 years, 7 months

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stable-rc/queue/5.10 baseline: 122 runs, 1 regressions (v5.10.23-172-ge7d3c04ddf7db)

by kernelci.org bot

stable-rc/queue/5.10 baseline: 122 runs, 1 regressions (v5.10.23-172-ge7d3c04ddf7db) Regressions Summary ------------------- platform | arch | lab | compiler | defconfig | regressions -----------+-------+---------+----------+-----------+------------ imx8mp-evk | arm64 | lab-nxp | gcc-8 | defconfig | 1 Details: https://kernelci.org/test/job/stable-rc/branch/queue%2F5.10/kernel/v5.10.23… Test: baseline Tree: stable-rc Branch: queue/5.10 Describe: v5.10.23-172-ge7d3c04ddf7db URL: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git SHA: e7d3c04ddf7db7d8260de55048a21d7b634ed831 Test Regressions ---------------- platform | arch | lab | compiler | defconfig | regressions -----------+-------+---------+----------+-----------+------------ imx8mp-evk | arm64 | lab-nxp | gcc-8 | defconfig | 1 Details: https://kernelci.org/test/plan/id/604c5ad458ff07302daddcc0 Results: 0 PASS, 1 FAIL, 0 SKIP Full config: defconfig Compiler: gcc-8 (aarch64-linux-gnu-gcc (Debian 8.3.0-2) 8.3.0) Plain log: https://storage.kernelci.org//stable-rc/queue-5.10/v5.10.23-172-ge7d3c04ddf… HTML log: https://storage.kernelci.org//stable-rc/queue-5.10/v5.10.23-172-ge7d3c04ddf… Rootfs: http://storage.kernelci.org/images/rootfs/buildroot/kci-2020.05-4-g97706c5d… * baseline.login: https://kernelci.org/test/case/id/604c5ad458ff07302daddcc1 failing since 0 day (last pass: v5.10.23-31-g559d8defe7bb8, first fail: v5.10.23-37-ge21780881c24f)

3 years, 7 months

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stable-rc/queue/4.4 baseline: 107 runs, 11 regressions (v4.4.261-24-g07e27c5f22e7)

by kernelci.org bot

stable-rc/queue/4.4 baseline: 107 runs, 11 regressions (v4.4.261-24-g07e27c5f22e7) Regressions Summary ------------------- platform | arch | lab | compiler | defconfig | regressions --------------------+------+-----------------+----------+---------------------+------------ panda | arm | lab-collabora | gcc-8 | omap2plus_defconfig | 1 qemu_arm-virt-gicv2 | arm | lab-baylibre | gcc-8 | multi_v7_defconfig | 1 qemu_arm-virt-gicv2 | arm | lab-broonie | gcc-8 | multi_v7_defconfig | 1 qemu_arm-virt-gicv2 | arm | lab-cip | gcc-8 | multi_v7_defconfig | 1 qemu_arm-virt-gicv2 | arm | lab-collabora | gcc-8 | multi_v7_defconfig | 1 qemu_arm-virt-gicv2 | arm | lab-linaro-lkft | gcc-8 | multi_v7_defconfig | 1 qemu_arm-virt-gicv3 | arm | lab-baylibre | gcc-8 | multi_v7_defconfig | 1 qemu_arm-virt-gicv3 | arm | lab-broonie | gcc-8 | multi_v7_defconfig | 1 qemu_arm-virt-gicv3 | arm | lab-cip | gcc-8 | multi_v7_defconfig | 1 qemu_arm-virt-gicv3 | arm | lab-collabora | gcc-8 | multi_v7_defconfig | 1 qemu_arm-virt-gicv3 | arm | lab-linaro-lkft | gcc-8 | multi_v7_defconfig | 1 Details: https://kernelci.org/test/job/stable-rc/branch/queue%2F4.4/kernel/v4.4.261-… Test: baseline Tree: stable-rc Branch: queue/4.4 Describe: v4.4.261-24-g07e27c5f22e7 URL: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git SHA: 07e27c5f22e7c7da4f76555014e28c50c2e91548 Test Regressions ---------------- platform | arch | lab | compiler | defconfig | regressions --------------------+------+-----------------+----------+---------------------+------------ panda | arm | lab-collabora | gcc-8 | omap2plus_defconfig | 1 Details: https://kernelci.org/test/plan/id/604c50aaae36e35528addcca Results: 3 PASS, 1 FAIL, 1 SKIP Full config: omap2plus_defconfig Compiler: gcc-8 (arm-linux-gnueabihf-gcc (Debian 8.3.0-2) 8.3.0) Plain log: https://storage.kernelci.org//stable-rc/queue-4.4/v4.4.261-24-g07e27c5f22e7… HTML log: https://storage.kernelci.org//stable-rc/queue-4.4/v4.4.261-24-g07e27c5f22e7… Rootfs: http://storage.kernelci.org/images/rootfs/buildroot/kci-2020.05-4-g97706c5d… * baseline.dmesg.emerg: https://kernelci.org/test/case/id/604c50aaae36e35528addccf failing since 0 day (last pass: v4.4.261-18-g7637372647e6, first fail: v4.4.261-18-g7adf316e7123c) 2 lines 2021-03-13 05:41:58.428000+00:00 kern :emerg : BUG: spinlock bad magic on CPU#0, swapper/0/0 2021-03-13 05:41:58.438000+00:00 kern :emerg : lock: emif_lock+0x0/0xfffff26c [emif], .magic: dead4ead, .owner: <none>/-1, .owner_cpu: -1 platform | arch | lab | compiler | defconfig | regressions --------------------+------+-----------------+----------+---------------------+------------ qemu_arm-virt-gicv2 | arm | lab-baylibre | gcc-8 | multi_v7_defconfig | 1 Details: https://kernelci.org/test/plan/id/604c4fb3d4b28e91f3adde0f Results: 0 PASS, 1 FAIL, 0 SKIP Full config: multi_v7_defconfig Compiler: gcc-8 (arm-linux-gnueabihf-gcc (Debian 8.3.0-2) 8.3.0) Plain log: https://storage.kernelci.org//stable-rc/queue-4.4/v4.4.261-24-g07e27c5f22e7… HTML log: https://storage.kernelci.org//stable-rc/queue-4.4/v4.4.261-24-g07e27c5f22e7… Rootfs: http://storage.kernelci.org/images/rootfs/buildroot/kci-2020.05-4-g97706c5d… * baseline.login: https://kernelci.org/test/case/id/604c4fb3d4b28e91f3adde10 failing since 119 days (last pass: v4.4.243-18-gfc7e8c68369a, first fail: v4.4.243-19-g71b6c961c7fe) platform | arch | lab | compiler | defconfig | regressions --------------------+------+-----------------+----------+---------------------+------------ qemu_arm-virt-gicv2 | arm | lab-broonie | gcc-8 | multi_v7_defconfig | 1 Details: https://kernelci.org/test/plan/id/604c4fe72268f05933addcbb Results: 0 PASS, 1 FAIL, 0 SKIP Full config: multi_v7_defconfig Compiler: gcc-8 (arm-linux-gnueabihf-gcc (Debian 8.3.0-2) 8.3.0) Plain log: https://storage.kernelci.org//stable-rc/queue-4.4/v4.4.261-24-g07e27c5f22e7… HTML log: https://storage.kernelci.org//stable-rc/queue-4.4/v4.4.261-24-g07e27c5f22e7… Rootfs: http://storage.kernelci.org/images/rootfs/buildroot/kci-2020.05-4-g97706c5d… * baseline.login: https://kernelci.org/test/case/id/604c4fe72268f05933addcbc failing since 119 days (last pass: v4.4.243-18-gfc7e8c68369a, first fail: v4.4.243-19-g71b6c961c7fe) platform | arch | lab | compiler | defconfig | regressions --------------------+------+-----------------+----------+---------------------+------------ qemu_arm-virt-gicv2 | arm | lab-cip | gcc-8 | multi_v7_defconfig | 1 Details: https://kernelci.org/test/plan/id/604c511bd8f983f99aaddcfa Results: 0 PASS, 1 FAIL, 0 SKIP Full config: multi_v7_defconfig Compiler: gcc-8 (arm-linux-gnueabihf-gcc (Debian 8.3.0-2) 8.3.0) Plain log: https://storage.kernelci.org//stable-rc/queue-4.4/v4.4.261-24-g07e27c5f22e7… HTML log: https://storage.kernelci.org//stable-rc/queue-4.4/v4.4.261-24-g07e27c5f22e7… Rootfs: http://storage.kernelci.org/images/rootfs/buildroot/kci-2020.05-4-g97706c5d… * baseline.login: https://kernelci.org/test/case/id/604c511bd8f983f99aaddcfb failing since 119 days (last pass: v4.4.243-18-gfc7e8c68369a, first fail: v4.4.243-19-g71b6c961c7fe) platform | arch | lab | compiler | defconfig | regressions --------------------+------+-----------------+----------+---------------------+------------ qemu_arm-virt-gicv2 | arm | lab-collabora | gcc-8 | multi_v7_defconfig | 1 Details: https://kernelci.org/test/plan/id/604c4fa4d4b28e91f3addd0a Results: 0 PASS, 1 FAIL, 0 SKIP Full config: multi_v7_defconfig Compiler: gcc-8 (arm-linux-gnueabihf-gcc (Debian 8.3.0-2) 8.3.0) Plain log: https://storage.kernelci.org//stable-rc/queue-4.4/v4.4.261-24-g07e27c5f22e7… HTML log: https://storage.kernelci.org//stable-rc/queue-4.4/v4.4.261-24-g07e27c5f22e7… Rootfs: http://storage.kernelci.org/images/rootfs/buildroot/kci-2020.05-4-g97706c5d… * baseline.login: https://kernelci.org/test/case/id/604c4fa4d4b28e91f3addd0b failing since 119 days (last pass: v4.4.243-18-gfc7e8c68369a, first fail: v4.4.243-19-g71b6c961c7fe) platform | arch | lab | compiler | defconfig | regressions --------------------+------+-----------------+----------+---------------------+------------ qemu_arm-virt-gicv2 | arm | lab-linaro-lkft | gcc-8 | multi_v7_defconfig | 1 Details: https://kernelci.org/test/plan/id/604c4fb9d4b28e91f3adde14 Results: 0 PASS, 1 FAIL, 0 SKIP Full config: multi_v7_defconfig Compiler: gcc-8 (arm-linux-gnueabihf-gcc (Debian 8.3.0-2) 8.3.0) Plain log: https://storage.kernelci.org//stable-rc/queue-4.4/v4.4.261-24-g07e27c5f22e7… HTML log: https://storage.kernelci.org//stable-rc/queue-4.4/v4.4.261-24-g07e27c5f22e7… Rootfs: http://storage.kernelci.org/images/rootfs/buildroot/kci-2020.05-4-g97706c5d… * baseline.login: https://kernelci.org/test/case/id/604c4fb9d4b28e91f3adde15 failing since 119 days (last pass: v4.4.243-18-gfc7e8c68369a, first fail: v4.4.243-19-g71b6c961c7fe) platform | arch | lab | compiler | defconfig | regressions --------------------+------+-----------------+----------+---------------------+------------ qemu_arm-virt-gicv3 | arm | lab-baylibre | gcc-8 | multi_v7_defconfig | 1 Details: https://kernelci.org/test/plan/id/604c4fb298dd657a02addcc0 Results: 0 PASS, 1 FAIL, 0 SKIP Full config: multi_v7_defconfig Compiler: gcc-8 (arm-linux-gnueabihf-gcc (Debian 8.3.0-2) 8.3.0) Plain log: https://storage.kernelci.org//stable-rc/queue-4.4/v4.4.261-24-g07e27c5f22e7… HTML log: https://storage.kernelci.org//stable-rc/queue-4.4/v4.4.261-24-g07e27c5f22e7… Rootfs: http://storage.kernelci.org/images/rootfs/buildroot/kci-2020.05-4-g97706c5d… * baseline.login: https://kernelci.org/test/case/id/604c4fb298dd657a02addcc1 failing since 119 days (last pass: v4.4.243-18-gfc7e8c68369a, first fail: v4.4.243-19-g71b6c961c7fe) platform | arch | lab | compiler | defconfig | regressions --------------------+------+-----------------+----------+---------------------+------------ qemu_arm-virt-gicv3 | arm | lab-broonie | gcc-8 | multi_v7_defconfig | 1 Details: https://kernelci.org/test/plan/id/604c4fe6afe29caaabaddcd7 Results: 0 PASS, 1 FAIL, 0 SKIP Full config: multi_v7_defconfig Compiler: gcc-8 (arm-linux-gnueabihf-gcc (Debian 8.3.0-2) 8.3.0) Plain log: https://storage.kernelci.org//stable-rc/queue-4.4/v4.4.261-24-g07e27c5f22e7… HTML log: https://storage.kernelci.org//stable-rc/queue-4.4/v4.4.261-24-g07e27c5f22e7… Rootfs: http://storage.kernelci.org/images/rootfs/buildroot/kci-2020.05-4-g97706c5d… * baseline.login: https://kernelci.org/test/case/id/604c4fe6afe29caaabaddcd8 failing since 119 days (last pass: v4.4.243-18-gfc7e8c68369a, first fail: v4.4.243-19-g71b6c961c7fe) platform | arch | lab | compiler | defconfig | regressions --------------------+------+-----------------+----------+---------------------+------------ qemu_arm-virt-gicv3 | arm | lab-cip | gcc-8 | multi_v7_defconfig | 1 Details: https://kernelci.org/test/plan/id/604c511c616cc0b263addcde Results: 0 PASS, 1 FAIL, 0 SKIP Full config: multi_v7_defconfig Compiler: gcc-8 (arm-linux-gnueabihf-gcc (Debian 8.3.0-2) 8.3.0) Plain log: https://storage.kernelci.org//stable-rc/queue-4.4/v4.4.261-24-g07e27c5f22e7… HTML log: https://storage.kernelci.org//stable-rc/queue-4.4/v4.4.261-24-g07e27c5f22e7… Rootfs: http://storage.kernelci.org/images/rootfs/buildroot/kci-2020.05-4-g97706c5d… * baseline.login: https://kernelci.org/test/case/id/604c511c616cc0b263addcdf failing since 119 days (last pass: v4.4.243-18-gfc7e8c68369a, first fail: v4.4.243-19-g71b6c961c7fe) platform | arch | lab | compiler | defconfig | regressions --------------------+------+-----------------+----------+---------------------+------------ qemu_arm-virt-gicv3 | arm | lab-collabora | gcc-8 | multi_v7_defconfig | 1 Details: https://kernelci.org/test/plan/id/604c4fa798dd657a02addcb1 Results: 0 PASS, 1 FAIL, 0 SKIP Full config: multi_v7_defconfig Compiler: gcc-8 (arm-linux-gnueabihf-gcc (Debian 8.3.0-2) 8.3.0) Plain log: https://storage.kernelci.org//stable-rc/queue-4.4/v4.4.261-24-g07e27c5f22e7… HTML log: https://storage.kernelci.org//stable-rc/queue-4.4/v4.4.261-24-g07e27c5f22e7… Rootfs: http://storage.kernelci.org/images/rootfs/buildroot/kci-2020.05-4-g97706c5d… * baseline.login: https://kernelci.org/test/case/id/604c4fa798dd657a02addcb2 failing since 119 days (last pass: v4.4.243-18-gfc7e8c68369a, first fail: v4.4.243-19-g71b6c961c7fe) platform | arch | lab | compiler | defconfig | regressions --------------------+------+-----------------+----------+---------------------+------------ qemu_arm-virt-gicv3 | arm | lab-linaro-lkft | gcc-8 | multi_v7_defconfig | 1 Details: https://kernelci.org/test/plan/id/604c4fa2d4b28e91f3addd07 Results: 0 PASS, 1 FAIL, 0 SKIP Full config: multi_v7_defconfig Compiler: gcc-8 (arm-linux-gnueabihf-gcc (Debian 8.3.0-2) 8.3.0) Plain log: https://storage.kernelci.org//stable-rc/queue-4.4/v4.4.261-24-g07e27c5f22e7… HTML log: https://storage.kernelci.org//stable-rc/queue-4.4/v4.4.261-24-g07e27c5f22e7… Rootfs: http://storage.kernelci.org/images/rootfs/buildroot/kci-2020.05-4-g97706c5d… * baseline.login: https://kernelci.org/test/case/id/604c4fa2d4b28e91f3addd08 failing since 119 days (last pass: v4.4.243-18-gfc7e8c68369a, first fail: v4.4.243-19-g71b6c961c7fe)

3 years, 7 months

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stable-rc/queue/4.19 baseline: 107 runs, 5 regressions (v4.19.180-85-gc30c87d88c19d)

by kernelci.org bot

stable-rc/queue/4.19 baseline: 107 runs, 5 regressions (v4.19.180-85-gc30c87d88c19d) Regressions Summary ------------------- platform | arch | lab | compiler | defconfig | regressions ---------------------+------+-----------------+----------+---------------------+------------ panda | arm | lab-collabora | gcc-8 | omap2plus_defconfig | 1 qemu_arm-versatilepb | arm | lab-broonie | gcc-8 | versatile_defconfig | 1 qemu_arm-versatilepb | arm | lab-cip | gcc-8 | versatile_defconfig | 1 qemu_arm-versatilepb | arm | lab-collabora | gcc-8 | versatile_defconfig | 1 qemu_arm-versatilepb | arm | lab-linaro-lkft | gcc-8 | versatile_defconfig | 1 Details: https://kernelci.org/test/job/stable-rc/branch/queue%2F4.19/kernel/v4.19.18… Test: baseline Tree: stable-rc Branch: queue/4.19 Describe: v4.19.180-85-gc30c87d88c19d URL: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git SHA: c30c87d88c19d54741ffdff769e91bd11cc377ba Test Regressions ---------------- platform | arch | lab | compiler | defconfig | regressions ---------------------+------+-----------------+----------+---------------------+------------ panda | arm | lab-collabora | gcc-8 | omap2plus_defconfig | 1 Details: https://kernelci.org/test/plan/id/604c4f479cbcc950b2addcb6 Results: 4 PASS, 1 FAIL, 0 SKIP Full config: omap2plus_defconfig Compiler: gcc-8 (arm-linux-gnueabihf-gcc (Debian 8.3.0-2) 8.3.0) Plain log: https://storage.kernelci.org//stable-rc/queue-4.19/v4.19.180-85-gc30c87d88c… HTML log: https://storage.kernelci.org//stable-rc/queue-4.19/v4.19.180-85-gc30c87d88c… Rootfs: http://storage.kernelci.org/images/rootfs/buildroot/kci-2020.05-4-g97706c5d… * baseline.dmesg.emerg: https://kernelci.org/test/case/id/604c4f479cbcc950b2addcbb failing since 0 day (last pass: v4.19.180-18-g4334f738815bb, first fail: v4.19.180-40-g3f0127cea9d86) 2 lines 2021-03-13 05:36:02.603000+00:00 kern :emerg : lock: emif_lock+0x0/0xffffed34 [emif], .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0 platform | arch | lab | compiler | defconfig | regressions ---------------------+------+-----------------+----------+---------------------+------------ qemu_arm-versatilepb | arm | lab-broonie | gcc-8 | versatile_defconfig | 1 Details: https://kernelci.org/test/plan/id/604c4d8d3d0029658caddcb1 Results: 0 PASS, 1 FAIL, 0 SKIP Full config: versatile_defconfig Compiler: gcc-8 (arm-linux-gnueabihf-gcc (Debian 8.3.0-2) 8.3.0) Plain log: https://storage.kernelci.org//stable-rc/queue-4.19/v4.19.180-85-gc30c87d88c… HTML log: https://storage.kernelci.org//stable-rc/queue-4.19/v4.19.180-85-gc30c87d88c… Rootfs: http://storage.kernelci.org/images/rootfs/buildroot/kci-2020.05-4-g97706c5d… * baseline.login: https://kernelci.org/test/case/id/604c4d8d3d0029658caddcb2 failing since 119 days (last pass: v4.19.157-26-gd59f3161b3a0, first fail: v4.19.157-27-g5543cc2c41d55) platform | arch | lab | compiler | defconfig | regressions ---------------------+------+-----------------+----------+---------------------+------------ qemu_arm-versatilepb | arm | lab-cip | gcc-8 | versatile_defconfig | 1 Details: https://kernelci.org/test/plan/id/604c4d44bfa0b5b7e2addcc5 Results: 0 PASS, 1 FAIL, 0 SKIP Full config: versatile_defconfig Compiler: gcc-8 (arm-linux-gnueabihf-gcc (Debian 8.3.0-2) 8.3.0) Plain log: https://storage.kernelci.org//stable-rc/queue-4.19/v4.19.180-85-gc30c87d88c… HTML log: https://storage.kernelci.org//stable-rc/queue-4.19/v4.19.180-85-gc30c87d88c… Rootfs: http://storage.kernelci.org/images/rootfs/buildroot/kci-2020.05-4-g97706c5d… * baseline.login: https://kernelci.org/test/case/id/604c4d44bfa0b5b7e2addcc6 failing since 119 days (last pass: v4.19.157-26-gd59f3161b3a0, first fail: v4.19.157-27-g5543cc2c41d55) platform | arch | lab | compiler | defconfig | regressions ---------------------+------+-----------------+----------+---------------------+------------ qemu_arm-versatilepb | arm | lab-collabora | gcc-8 | versatile_defconfig | 1 Details: https://kernelci.org/test/plan/id/604c4cf4ada80d1403addcd9 Results: 0 PASS, 1 FAIL, 0 SKIP Full config: versatile_defconfig Compiler: gcc-8 (arm-linux-gnueabihf-gcc (Debian 8.3.0-2) 8.3.0) Plain log: https://storage.kernelci.org//stable-rc/queue-4.19/v4.19.180-85-gc30c87d88c… HTML log: https://storage.kernelci.org//stable-rc/queue-4.19/v4.19.180-85-gc30c87d88c… Rootfs: http://storage.kernelci.org/images/rootfs/buildroot/kci-2020.05-4-g97706c5d… * baseline.login: https://kernelci.org/test/case/id/604c4cf4ada80d1403addcda failing since 119 days (last pass: v4.19.157-26-gd59f3161b3a0, first fail: v4.19.157-27-g5543cc2c41d55) platform | arch | lab | compiler | defconfig | regressions ---------------------+------+-----------------+----------+---------------------+------------ qemu_arm-versatilepb | arm | lab-linaro-lkft | gcc-8 | versatile_defconfig | 1 Details: https://kernelci.org/test/plan/id/604c4cfaada80d1403addce6 Results: 0 PASS, 1 FAIL, 0 SKIP Full config: versatile_defconfig Compiler: gcc-8 (arm-linux-gnueabihf-gcc (Debian 8.3.0-2) 8.3.0) Plain log: https://storage.kernelci.org//stable-rc/queue-4.19/v4.19.180-85-gc30c87d88c… HTML log: https://storage.kernelci.org//stable-rc/queue-4.19/v4.19.180-85-gc30c87d88c… Rootfs: http://storage.kernelci.org/images/rootfs/buildroot/kci-2020.05-4-g97706c5d… * baseline.login: https://kernelci.org/test/case/id/604c4cfaada80d1403addce7 failing since 119 days (last pass: v4.19.157-26-gd59f3161b3a0, first fail: v4.19.157-27-g5543cc2c41d55)

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Linux-stable-mirror March 2021