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FAILED: patch "[PATCH] media: omap3isp: use sgtable-based scatterlist wrappers" failed to apply to 5.15-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.15-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>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y git checkout FETCH_HEAD git cherry-pick -x 3de572fe2189a4a0bd80295e1f478401e739498e # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025062043-penny-clanking-183f@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 3de572fe2189a4a0bd80295e1f478401e739498e Mon Sep 17 00:00:00 2001 From: Marek Szyprowski <m.szyprowski(a)samsung.com> Date: Wed, 7 May 2025 18:09:13 +0200 Subject: [PATCH] media: omap3isp: use sgtable-based scatterlist wrappers Use common wrappers operating directly on the struct sg_table objects to fix incorrect use of scatterlists sync calls. dma_sync_sg_for_*() functions have to be called with the number of elements originally passed to dma_map_sg_*() function, not the one returned in sgtable's nents. Fixes: d33186d0be18 ("[media] omap3isp: ccdc: Use the DMA API for LSC") Fixes: 0e24e90f2ca7 ("[media] omap3isp: stat: Use the DMA API") CC: stable(a)vger.kernel.org Signed-off-by: Marek Szyprowski <m.szyprowski(a)samsung.com> Reviewed-by: Laurent Pinchart <laurent.pinchart(a)ideasonboard.com> Signed-off-by: Hans Verkuil <hverkuil(a)xs4all.nl> diff --git a/drivers/media/platform/ti/omap3isp/ispccdc.c b/drivers/media/platform/ti/omap3isp/ispccdc.c index dd375c4e180d..7d0c723dcd11 100644 --- a/drivers/media/platform/ti/omap3isp/ispccdc.c +++ b/drivers/media/platform/ti/omap3isp/ispccdc.c @@ -446,8 +446,8 @@ static int ccdc_lsc_config(struct isp_ccdc_device *ccdc, if (ret < 0) goto done; - dma_sync_sg_for_cpu(isp->dev, req->table.sgt.sgl, - req->table.sgt.nents, DMA_TO_DEVICE); + dma_sync_sgtable_for_cpu(isp->dev, &req->table.sgt, + DMA_TO_DEVICE); if (copy_from_user(req->table.addr, config->lsc, req->config.size)) { @@ -455,8 +455,8 @@ static int ccdc_lsc_config(struct isp_ccdc_device *ccdc, goto done; } - dma_sync_sg_for_device(isp->dev, req->table.sgt.sgl, - req->table.sgt.nents, DMA_TO_DEVICE); + dma_sync_sgtable_for_device(isp->dev, &req->table.sgt, + DMA_TO_DEVICE); } spin_lock_irqsave(&ccdc->lsc.req_lock, flags); diff --git a/drivers/media/platform/ti/omap3isp/ispstat.c b/drivers/media/platform/ti/omap3isp/ispstat.c index 359a846205b0..d3da68408ecb 100644 --- a/drivers/media/platform/ti/omap3isp/ispstat.c +++ b/drivers/media/platform/ti/omap3isp/ispstat.c @@ -161,8 +161,7 @@ static void isp_stat_buf_sync_for_device(struct ispstat *stat, if (ISP_STAT_USES_DMAENGINE(stat)) return; - dma_sync_sg_for_device(stat->isp->dev, buf->sgt.sgl, - buf->sgt.nents, DMA_FROM_DEVICE); + dma_sync_sgtable_for_device(stat->isp->dev, &buf->sgt, DMA_FROM_DEVICE); } static void isp_stat_buf_sync_for_cpu(struct ispstat *stat, @@ -171,8 +170,7 @@ static void isp_stat_buf_sync_for_cpu(struct ispstat *stat, if (ISP_STAT_USES_DMAENGINE(stat)) return; - dma_sync_sg_for_cpu(stat->isp->dev, buf->sgt.sgl, - buf->sgt.nents, DMA_FROM_DEVICE); + dma_sync_sgtable_for_cpu(stat->isp->dev, &buf->sgt, DMA_FROM_DEVICE); } static void isp_stat_buf_clear(struct ispstat *stat)

3 weeks, 1 day

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FAILED: patch "[PATCH] media: omap3isp: use sgtable-based scatterlist wrappers" 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>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.10.y git checkout FETCH_HEAD git cherry-pick -x 3de572fe2189a4a0bd80295e1f478401e739498e # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025062043-unaltered-handwoven-3d41@gregkh' --subject-prefix 'PATCH 5.10.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 3de572fe2189a4a0bd80295e1f478401e739498e Mon Sep 17 00:00:00 2001 From: Marek Szyprowski <m.szyprowski(a)samsung.com> Date: Wed, 7 May 2025 18:09:13 +0200 Subject: [PATCH] media: omap3isp: use sgtable-based scatterlist wrappers Use common wrappers operating directly on the struct sg_table objects to fix incorrect use of scatterlists sync calls. dma_sync_sg_for_*() functions have to be called with the number of elements originally passed to dma_map_sg_*() function, not the one returned in sgtable's nents. Fixes: d33186d0be18 ("[media] omap3isp: ccdc: Use the DMA API for LSC") Fixes: 0e24e90f2ca7 ("[media] omap3isp: stat: Use the DMA API") CC: stable(a)vger.kernel.org Signed-off-by: Marek Szyprowski <m.szyprowski(a)samsung.com> Reviewed-by: Laurent Pinchart <laurent.pinchart(a)ideasonboard.com> Signed-off-by: Hans Verkuil <hverkuil(a)xs4all.nl> diff --git a/drivers/media/platform/ti/omap3isp/ispccdc.c b/drivers/media/platform/ti/omap3isp/ispccdc.c index dd375c4e180d..7d0c723dcd11 100644 --- a/drivers/media/platform/ti/omap3isp/ispccdc.c +++ b/drivers/media/platform/ti/omap3isp/ispccdc.c @@ -446,8 +446,8 @@ static int ccdc_lsc_config(struct isp_ccdc_device *ccdc, if (ret < 0) goto done; - dma_sync_sg_for_cpu(isp->dev, req->table.sgt.sgl, - req->table.sgt.nents, DMA_TO_DEVICE); + dma_sync_sgtable_for_cpu(isp->dev, &req->table.sgt, + DMA_TO_DEVICE); if (copy_from_user(req->table.addr, config->lsc, req->config.size)) { @@ -455,8 +455,8 @@ static int ccdc_lsc_config(struct isp_ccdc_device *ccdc, goto done; } - dma_sync_sg_for_device(isp->dev, req->table.sgt.sgl, - req->table.sgt.nents, DMA_TO_DEVICE); + dma_sync_sgtable_for_device(isp->dev, &req->table.sgt, + DMA_TO_DEVICE); } spin_lock_irqsave(&ccdc->lsc.req_lock, flags); diff --git a/drivers/media/platform/ti/omap3isp/ispstat.c b/drivers/media/platform/ti/omap3isp/ispstat.c index 359a846205b0..d3da68408ecb 100644 --- a/drivers/media/platform/ti/omap3isp/ispstat.c +++ b/drivers/media/platform/ti/omap3isp/ispstat.c @@ -161,8 +161,7 @@ static void isp_stat_buf_sync_for_device(struct ispstat *stat, if (ISP_STAT_USES_DMAENGINE(stat)) return; - dma_sync_sg_for_device(stat->isp->dev, buf->sgt.sgl, - buf->sgt.nents, DMA_FROM_DEVICE); + dma_sync_sgtable_for_device(stat->isp->dev, &buf->sgt, DMA_FROM_DEVICE); } static void isp_stat_buf_sync_for_cpu(struct ispstat *stat, @@ -171,8 +170,7 @@ static void isp_stat_buf_sync_for_cpu(struct ispstat *stat, if (ISP_STAT_USES_DMAENGINE(stat)) return; - dma_sync_sg_for_cpu(stat->isp->dev, buf->sgt.sgl, - buf->sgt.nents, DMA_FROM_DEVICE); + dma_sync_sgtable_for_cpu(stat->isp->dev, &buf->sgt, DMA_FROM_DEVICE); } static void isp_stat_buf_clear(struct ispstat *stat)

3 weeks, 1 day

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FAILED: patch "[PATCH] media: davinci: vpif: Fix memory leak in probe error path" failed to apply to 5.15-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.15-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>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y git checkout FETCH_HEAD git cherry-pick -x 024bf40edf1155e7a587f0ec46294049777d9b02 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025062033-navigator-observant-8f41@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 024bf40edf1155e7a587f0ec46294049777d9b02 Mon Sep 17 00:00:00 2001 From: Dmitry Nikiforov <Dm1tryNk(a)yandex.ru> Date: Wed, 16 Apr 2025 23:51:19 +0300 Subject: [PATCH] media: davinci: vpif: Fix memory leak in probe error path If an error occurs during the initialization of `pdev_display`, the allocated platform device `pdev_capture` is not released properly, leading to a memory leak. Adjust error path handling to fix the leak. Found by Linux Verification Center (linuxtesting.org) with SVACE. Fixes: 43acb728bbc4 ("media: davinci: vpif: fix use-after-free on driver unbind") Cc: stable(a)vger.kernel.org Signed-off-by: Dmitry Nikiforov <Dm1tryNk(a)yandex.ru> Reviewed-by: Johan Hovold <johan(a)kernel.org> Signed-off-by: Hans Verkuil <hverkuil(a)xs4all.nl> diff --git a/drivers/media/platform/ti/davinci/vpif.c b/drivers/media/platform/ti/davinci/vpif.c index a81719702a22..969d623fc842 100644 --- a/drivers/media/platform/ti/davinci/vpif.c +++ b/drivers/media/platform/ti/davinci/vpif.c @@ -504,7 +504,7 @@ static int vpif_probe(struct platform_device *pdev) pdev_display = kzalloc(sizeof(*pdev_display), GFP_KERNEL); if (!pdev_display) { ret = -ENOMEM; - goto err_put_pdev_capture; + goto err_del_pdev_capture; } pdev_display->name = "vpif_display"; @@ -527,6 +527,8 @@ static int vpif_probe(struct platform_device *pdev) err_put_pdev_display: platform_device_put(pdev_display); +err_del_pdev_capture: + platform_device_del(pdev_capture); err_put_pdev_capture: platform_device_put(pdev_capture); err_put_rpm:

3 weeks, 1 day

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FAILED: patch "[PATCH] media: cxusb: no longer judge rbuf when the write fails" 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>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.4.y git checkout FETCH_HEAD git cherry-pick -x 73fb3b92da84637e3817580fa205d48065924e15 # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025062022-fleshed-wildcard-a434@gregkh' --subject-prefix 'PATCH 5.4.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 73fb3b92da84637e3817580fa205d48065924e15 Mon Sep 17 00:00:00 2001 From: Edward Adam Davis <eadavis(a)qq.com> Date: Sat, 5 Apr 2025 19:56:41 +0800 Subject: [PATCH] media: cxusb: no longer judge rbuf when the write fails syzbot reported a uninit-value in cxusb_i2c_xfer. [1] Only when the write operation of usb_bulk_msg() in dvb_usb_generic_rw() succeeds and rlen is greater than 0, the read operation of usb_bulk_msg() will be executed to read rlen bytes of data from the dvb device into the rbuf. In this case, although rlen is 1, the write operation failed which resulted in the dvb read operation not being executed, and ultimately variable i was not initialized. [1] BUG: KMSAN: uninit-value in cxusb_gpio_tuner drivers/media/usb/dvb-usb/cxusb.c:124 [inline] BUG: KMSAN: uninit-value in cxusb_i2c_xfer+0x153a/0x1a60 drivers/media/usb/dvb-usb/cxusb.c:196 cxusb_gpio_tuner drivers/media/usb/dvb-usb/cxusb.c:124 [inline] cxusb_i2c_xfer+0x153a/0x1a60 drivers/media/usb/dvb-usb/cxusb.c:196 __i2c_transfer+0xe25/0x3150 drivers/i2c/i2c-core-base.c:-1 i2c_transfer+0x317/0x4a0 drivers/i2c/i2c-core-base.c:2315 i2c_transfer_buffer_flags+0x125/0x1e0 drivers/i2c/i2c-core-base.c:2343 i2c_master_send include/linux/i2c.h:109 [inline] i2cdev_write+0x210/0x280 drivers/i2c/i2c-dev.c:183 do_loop_readv_writev fs/read_write.c:848 [inline] vfs_writev+0x963/0x14e0 fs/read_write.c:1057 do_writev+0x247/0x5c0 fs/read_write.c:1101 __do_sys_writev fs/read_write.c:1169 [inline] __se_sys_writev fs/read_write.c:1166 [inline] __x64_sys_writev+0x98/0xe0 fs/read_write.c:1166 x64_sys_call+0x2229/0x3c80 arch/x86/include/generated/asm/syscalls_64.h:21 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x1e0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f Reported-by: syzbot+526bd95c0ec629993bf3(a)syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=526bd95c0ec629993bf3 Tested-by: syzbot+526bd95c0ec629993bf3(a)syzkaller.appspotmail.com Fixes: 22c6d93a7310 ("[PATCH] dvb: usb: support Medion hybrid USB2.0 DVB-T/analogue box") Cc: stable(a)vger.kernel.org Signed-off-by: Edward Adam Davis <eadavis(a)qq.com> Signed-off-by: Hans Verkuil <hverkuil(a)xs4all.nl> diff --git a/drivers/media/usb/dvb-usb/cxusb.c b/drivers/media/usb/dvb-usb/cxusb.c index f44529b40989..d0501c1e81d6 100644 --- a/drivers/media/usb/dvb-usb/cxusb.c +++ b/drivers/media/usb/dvb-usb/cxusb.c @@ -119,9 +119,8 @@ static void cxusb_gpio_tuner(struct dvb_usb_device *d, int onoff) o[0] = GPIO_TUNER; o[1] = onoff; - cxusb_ctrl_msg(d, CMD_GPIO_WRITE, o, 2, &i, 1); - if (i != 0x01) + if (!cxusb_ctrl_msg(d, CMD_GPIO_WRITE, o, 2, &i, 1) && i != 0x01) dev_info(&d->udev->dev, "gpio_write failed.\n"); st->gpio_write_state[GPIO_TUNER] = onoff;

3 weeks, 1 day

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FAILED: patch "[PATCH] jfs: validate AG parameters in dbMount() to prevent crashes" 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>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.4.y git checkout FETCH_HEAD git cherry-pick -x 37bfb464ddca87f203071b5bd562cd91ddc0b40a # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025062020-trace-goggles-c401@gregkh' --subject-prefix 'PATCH 5.4.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 37bfb464ddca87f203071b5bd562cd91ddc0b40a Mon Sep 17 00:00:00 2001 From: Vasiliy Kovalev <kovalev(a)altlinux.org> Date: Mon, 10 Mar 2025 11:56:02 +0300 Subject: [PATCH] jfs: validate AG parameters in dbMount() to prevent crashes Validate db_agheight, db_agwidth, and db_agstart in dbMount to catch corrupted metadata early and avoid undefined behavior in dbAllocAG. Limits are derived from L2LPERCTL, LPERCTL/MAXAG, and CTLTREESIZE: - agheight: 0 to L2LPERCTL/2 (0 to 5) ensures shift (L2LPERCTL - 2*agheight) >= 0. - agwidth: 1 to min(LPERCTL/MAXAG, 2^(L2LPERCTL - 2*agheight)) ensures agperlev >= 1. - Ranges: 1-8 (agheight 0-3), 1-4 (agheight 4), 1 (agheight 5). - LPERCTL/MAXAG = 1024/128 = 8 limits leaves per AG; 2^(10 - 2*agheight) prevents division to 0. - agstart: 0 to CTLTREESIZE-1 - agwidth*(MAXAG-1) keeps ti within stree (size 1365). - Ranges: 0-1237 (agwidth 1), 0-348 (agwidth 8). UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:1400:9 shift exponent -335544310 is negative CPU: 0 UID: 0 PID: 5822 Comm: syz-executor130 Not tainted 6.14.0-rc5-syzkaller #0 Hardware name: Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 ubsan_epilogue lib/ubsan.c:231 [inline] __ubsan_handle_shift_out_of_bounds+0x3c8/0x420 lib/ubsan.c:468 dbAllocAG+0x1087/0x10b0 fs/jfs/jfs_dmap.c:1400 dbDiscardAG+0x352/0xa20 fs/jfs/jfs_dmap.c:1613 jfs_ioc_trim+0x45a/0x6b0 fs/jfs/jfs_discard.c:105 jfs_ioctl+0x2cd/0x3e0 fs/jfs/ioctl.c:131 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Found by Linux Verification Center (linuxtesting.org) with Syzkaller. Cc: stable(a)vger.kernel.org Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Reported-by: syzbot+fe8264911355151c487f(a)syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=fe8264911355151c487f Signed-off-by: Vasiliy Kovalev <kovalev(a)altlinux.org> Signed-off-by: Dave Kleikamp <dave.kleikamp(a)oracle.com> diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c index 26e89d0c69b6..35e063c9f3a4 100644 --- a/fs/jfs/jfs_dmap.c +++ b/fs/jfs/jfs_dmap.c @@ -194,7 +194,11 @@ int dbMount(struct inode *ipbmap) !bmp->db_numag || (bmp->db_numag > MAXAG) || (bmp->db_maxag >= MAXAG) || (bmp->db_maxag < 0) || (bmp->db_agpref >= MAXAG) || (bmp->db_agpref < 0) || - !bmp->db_agwidth || + (bmp->db_agheight < 0) || (bmp->db_agheight > (L2LPERCTL >> 1)) || + (bmp->db_agwidth < 1) || (bmp->db_agwidth > (LPERCTL / MAXAG)) || + (bmp->db_agwidth > (1 << (L2LPERCTL - (bmp->db_agheight << 1)))) || + (bmp->db_agstart < 0) || + (bmp->db_agstart > (CTLTREESIZE - 1 - bmp->db_agwidth * (MAXAG - 1))) || (bmp->db_agl2size > L2MAXL2SIZE - L2MAXAG) || (bmp->db_agl2size < 0) || ((bmp->db_mapsize - 1) >> bmp->db_agl2size) > MAXAG) {

3 weeks, 1 day

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FAILED: patch "[PATCH] jfs: validate AG parameters in dbMount() to prevent crashes" 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>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.10.y git checkout FETCH_HEAD git cherry-pick -x 37bfb464ddca87f203071b5bd562cd91ddc0b40a # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025062019-wrinkly-unblended-0fce@gregkh' --subject-prefix 'PATCH 5.10.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 37bfb464ddca87f203071b5bd562cd91ddc0b40a Mon Sep 17 00:00:00 2001 From: Vasiliy Kovalev <kovalev(a)altlinux.org> Date: Mon, 10 Mar 2025 11:56:02 +0300 Subject: [PATCH] jfs: validate AG parameters in dbMount() to prevent crashes Validate db_agheight, db_agwidth, and db_agstart in dbMount to catch corrupted metadata early and avoid undefined behavior in dbAllocAG. Limits are derived from L2LPERCTL, LPERCTL/MAXAG, and CTLTREESIZE: - agheight: 0 to L2LPERCTL/2 (0 to 5) ensures shift (L2LPERCTL - 2*agheight) >= 0. - agwidth: 1 to min(LPERCTL/MAXAG, 2^(L2LPERCTL - 2*agheight)) ensures agperlev >= 1. - Ranges: 1-8 (agheight 0-3), 1-4 (agheight 4), 1 (agheight 5). - LPERCTL/MAXAG = 1024/128 = 8 limits leaves per AG; 2^(10 - 2*agheight) prevents division to 0. - agstart: 0 to CTLTREESIZE-1 - agwidth*(MAXAG-1) keeps ti within stree (size 1365). - Ranges: 0-1237 (agwidth 1), 0-348 (agwidth 8). UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:1400:9 shift exponent -335544310 is negative CPU: 0 UID: 0 PID: 5822 Comm: syz-executor130 Not tainted 6.14.0-rc5-syzkaller #0 Hardware name: Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 ubsan_epilogue lib/ubsan.c:231 [inline] __ubsan_handle_shift_out_of_bounds+0x3c8/0x420 lib/ubsan.c:468 dbAllocAG+0x1087/0x10b0 fs/jfs/jfs_dmap.c:1400 dbDiscardAG+0x352/0xa20 fs/jfs/jfs_dmap.c:1613 jfs_ioc_trim+0x45a/0x6b0 fs/jfs/jfs_discard.c:105 jfs_ioctl+0x2cd/0x3e0 fs/jfs/ioctl.c:131 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Found by Linux Verification Center (linuxtesting.org) with Syzkaller. Cc: stable(a)vger.kernel.org Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Reported-by: syzbot+fe8264911355151c487f(a)syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=fe8264911355151c487f Signed-off-by: Vasiliy Kovalev <kovalev(a)altlinux.org> Signed-off-by: Dave Kleikamp <dave.kleikamp(a)oracle.com> diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c index 26e89d0c69b6..35e063c9f3a4 100644 --- a/fs/jfs/jfs_dmap.c +++ b/fs/jfs/jfs_dmap.c @@ -194,7 +194,11 @@ int dbMount(struct inode *ipbmap) !bmp->db_numag || (bmp->db_numag > MAXAG) || (bmp->db_maxag >= MAXAG) || (bmp->db_maxag < 0) || (bmp->db_agpref >= MAXAG) || (bmp->db_agpref < 0) || - !bmp->db_agwidth || + (bmp->db_agheight < 0) || (bmp->db_agheight > (L2LPERCTL >> 1)) || + (bmp->db_agwidth < 1) || (bmp->db_agwidth > (LPERCTL / MAXAG)) || + (bmp->db_agwidth > (1 << (L2LPERCTL - (bmp->db_agheight << 1)))) || + (bmp->db_agstart < 0) || + (bmp->db_agstart > (CTLTREESIZE - 1 - bmp->db_agwidth * (MAXAG - 1))) || (bmp->db_agl2size > L2MAXL2SIZE - L2MAXAG) || (bmp->db_agl2size < 0) || ((bmp->db_mapsize - 1) >> bmp->db_agl2size) > MAXAG) {

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FAILED: patch "[PATCH] jfs: validate AG parameters in dbMount() to prevent crashes" failed to apply to 6.1-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.1-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>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.1.y git checkout FETCH_HEAD git cherry-pick -x 37bfb464ddca87f203071b5bd562cd91ddc0b40a # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025062017-flashily-tidings-7e64@gregkh' --subject-prefix 'PATCH 6.1.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 37bfb464ddca87f203071b5bd562cd91ddc0b40a Mon Sep 17 00:00:00 2001 From: Vasiliy Kovalev <kovalev(a)altlinux.org> Date: Mon, 10 Mar 2025 11:56:02 +0300 Subject: [PATCH] jfs: validate AG parameters in dbMount() to prevent crashes Validate db_agheight, db_agwidth, and db_agstart in dbMount to catch corrupted metadata early and avoid undefined behavior in dbAllocAG. Limits are derived from L2LPERCTL, LPERCTL/MAXAG, and CTLTREESIZE: - agheight: 0 to L2LPERCTL/2 (0 to 5) ensures shift (L2LPERCTL - 2*agheight) >= 0. - agwidth: 1 to min(LPERCTL/MAXAG, 2^(L2LPERCTL - 2*agheight)) ensures agperlev >= 1. - Ranges: 1-8 (agheight 0-3), 1-4 (agheight 4), 1 (agheight 5). - LPERCTL/MAXAG = 1024/128 = 8 limits leaves per AG; 2^(10 - 2*agheight) prevents division to 0. - agstart: 0 to CTLTREESIZE-1 - agwidth*(MAXAG-1) keeps ti within stree (size 1365). - Ranges: 0-1237 (agwidth 1), 0-348 (agwidth 8). UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:1400:9 shift exponent -335544310 is negative CPU: 0 UID: 0 PID: 5822 Comm: syz-executor130 Not tainted 6.14.0-rc5-syzkaller #0 Hardware name: Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 ubsan_epilogue lib/ubsan.c:231 [inline] __ubsan_handle_shift_out_of_bounds+0x3c8/0x420 lib/ubsan.c:468 dbAllocAG+0x1087/0x10b0 fs/jfs/jfs_dmap.c:1400 dbDiscardAG+0x352/0xa20 fs/jfs/jfs_dmap.c:1613 jfs_ioc_trim+0x45a/0x6b0 fs/jfs/jfs_discard.c:105 jfs_ioctl+0x2cd/0x3e0 fs/jfs/ioctl.c:131 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Found by Linux Verification Center (linuxtesting.org) with Syzkaller. Cc: stable(a)vger.kernel.org Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Reported-by: syzbot+fe8264911355151c487f(a)syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=fe8264911355151c487f Signed-off-by: Vasiliy Kovalev <kovalev(a)altlinux.org> Signed-off-by: Dave Kleikamp <dave.kleikamp(a)oracle.com> diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c index 26e89d0c69b6..35e063c9f3a4 100644 --- a/fs/jfs/jfs_dmap.c +++ b/fs/jfs/jfs_dmap.c @@ -194,7 +194,11 @@ int dbMount(struct inode *ipbmap) !bmp->db_numag || (bmp->db_numag > MAXAG) || (bmp->db_maxag >= MAXAG) || (bmp->db_maxag < 0) || (bmp->db_agpref >= MAXAG) || (bmp->db_agpref < 0) || - !bmp->db_agwidth || + (bmp->db_agheight < 0) || (bmp->db_agheight > (L2LPERCTL >> 1)) || + (bmp->db_agwidth < 1) || (bmp->db_agwidth > (LPERCTL / MAXAG)) || + (bmp->db_agwidth > (1 << (L2LPERCTL - (bmp->db_agheight << 1)))) || + (bmp->db_agstart < 0) || + (bmp->db_agstart > (CTLTREESIZE - 1 - bmp->db_agwidth * (MAXAG - 1))) || (bmp->db_agl2size > L2MAXL2SIZE - L2MAXAG) || (bmp->db_agl2size < 0) || ((bmp->db_mapsize - 1) >> bmp->db_agl2size) > MAXAG) {

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FAILED: patch "[PATCH] jfs: validate AG parameters in dbMount() to prevent crashes" failed to apply to 5.15-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 5.15-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>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.15.y git checkout FETCH_HEAD git cherry-pick -x 37bfb464ddca87f203071b5bd562cd91ddc0b40a # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025062018-desktop-childhood-1515@gregkh' --subject-prefix 'PATCH 5.15.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 37bfb464ddca87f203071b5bd562cd91ddc0b40a Mon Sep 17 00:00:00 2001 From: Vasiliy Kovalev <kovalev(a)altlinux.org> Date: Mon, 10 Mar 2025 11:56:02 +0300 Subject: [PATCH] jfs: validate AG parameters in dbMount() to prevent crashes Validate db_agheight, db_agwidth, and db_agstart in dbMount to catch corrupted metadata early and avoid undefined behavior in dbAllocAG. Limits are derived from L2LPERCTL, LPERCTL/MAXAG, and CTLTREESIZE: - agheight: 0 to L2LPERCTL/2 (0 to 5) ensures shift (L2LPERCTL - 2*agheight) >= 0. - agwidth: 1 to min(LPERCTL/MAXAG, 2^(L2LPERCTL - 2*agheight)) ensures agperlev >= 1. - Ranges: 1-8 (agheight 0-3), 1-4 (agheight 4), 1 (agheight 5). - LPERCTL/MAXAG = 1024/128 = 8 limits leaves per AG; 2^(10 - 2*agheight) prevents division to 0. - agstart: 0 to CTLTREESIZE-1 - agwidth*(MAXAG-1) keeps ti within stree (size 1365). - Ranges: 0-1237 (agwidth 1), 0-348 (agwidth 8). UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:1400:9 shift exponent -335544310 is negative CPU: 0 UID: 0 PID: 5822 Comm: syz-executor130 Not tainted 6.14.0-rc5-syzkaller #0 Hardware name: Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 ubsan_epilogue lib/ubsan.c:231 [inline] __ubsan_handle_shift_out_of_bounds+0x3c8/0x420 lib/ubsan.c:468 dbAllocAG+0x1087/0x10b0 fs/jfs/jfs_dmap.c:1400 dbDiscardAG+0x352/0xa20 fs/jfs/jfs_dmap.c:1613 jfs_ioc_trim+0x45a/0x6b0 fs/jfs/jfs_discard.c:105 jfs_ioctl+0x2cd/0x3e0 fs/jfs/ioctl.c:131 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Found by Linux Verification Center (linuxtesting.org) with Syzkaller. Cc: stable(a)vger.kernel.org Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Reported-by: syzbot+fe8264911355151c487f(a)syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=fe8264911355151c487f Signed-off-by: Vasiliy Kovalev <kovalev(a)altlinux.org> Signed-off-by: Dave Kleikamp <dave.kleikamp(a)oracle.com> diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c index 26e89d0c69b6..35e063c9f3a4 100644 --- a/fs/jfs/jfs_dmap.c +++ b/fs/jfs/jfs_dmap.c @@ -194,7 +194,11 @@ int dbMount(struct inode *ipbmap) !bmp->db_numag || (bmp->db_numag > MAXAG) || (bmp->db_maxag >= MAXAG) || (bmp->db_maxag < 0) || (bmp->db_agpref >= MAXAG) || (bmp->db_agpref < 0) || - !bmp->db_agwidth || + (bmp->db_agheight < 0) || (bmp->db_agheight > (L2LPERCTL >> 1)) || + (bmp->db_agwidth < 1) || (bmp->db_agwidth > (LPERCTL / MAXAG)) || + (bmp->db_agwidth > (1 << (L2LPERCTL - (bmp->db_agheight << 1)))) || + (bmp->db_agstart < 0) || + (bmp->db_agstart > (CTLTREESIZE - 1 - bmp->db_agwidth * (MAXAG - 1))) || (bmp->db_agl2size > L2MAXL2SIZE - L2MAXAG) || (bmp->db_agl2size < 0) || ((bmp->db_mapsize - 1) >> bmp->db_agl2size) > MAXAG) {

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FAILED: patch "[PATCH] jfs: validate AG parameters in dbMount() to prevent crashes" failed to apply to 6.6-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.6-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>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.6.y git checkout FETCH_HEAD git cherry-pick -x 37bfb464ddca87f203071b5bd562cd91ddc0b40a # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025062017-dolphin-qualify-c051@gregkh' --subject-prefix 'PATCH 6.6.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 37bfb464ddca87f203071b5bd562cd91ddc0b40a Mon Sep 17 00:00:00 2001 From: Vasiliy Kovalev <kovalev(a)altlinux.org> Date: Mon, 10 Mar 2025 11:56:02 +0300 Subject: [PATCH] jfs: validate AG parameters in dbMount() to prevent crashes Validate db_agheight, db_agwidth, and db_agstart in dbMount to catch corrupted metadata early and avoid undefined behavior in dbAllocAG. Limits are derived from L2LPERCTL, LPERCTL/MAXAG, and CTLTREESIZE: - agheight: 0 to L2LPERCTL/2 (0 to 5) ensures shift (L2LPERCTL - 2*agheight) >= 0. - agwidth: 1 to min(LPERCTL/MAXAG, 2^(L2LPERCTL - 2*agheight)) ensures agperlev >= 1. - Ranges: 1-8 (agheight 0-3), 1-4 (agheight 4), 1 (agheight 5). - LPERCTL/MAXAG = 1024/128 = 8 limits leaves per AG; 2^(10 - 2*agheight) prevents division to 0. - agstart: 0 to CTLTREESIZE-1 - agwidth*(MAXAG-1) keeps ti within stree (size 1365). - Ranges: 0-1237 (agwidth 1), 0-348 (agwidth 8). UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:1400:9 shift exponent -335544310 is negative CPU: 0 UID: 0 PID: 5822 Comm: syz-executor130 Not tainted 6.14.0-rc5-syzkaller #0 Hardware name: Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 ubsan_epilogue lib/ubsan.c:231 [inline] __ubsan_handle_shift_out_of_bounds+0x3c8/0x420 lib/ubsan.c:468 dbAllocAG+0x1087/0x10b0 fs/jfs/jfs_dmap.c:1400 dbDiscardAG+0x352/0xa20 fs/jfs/jfs_dmap.c:1613 jfs_ioc_trim+0x45a/0x6b0 fs/jfs/jfs_discard.c:105 jfs_ioctl+0x2cd/0x3e0 fs/jfs/ioctl.c:131 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Found by Linux Verification Center (linuxtesting.org) with Syzkaller. Cc: stable(a)vger.kernel.org Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Reported-by: syzbot+fe8264911355151c487f(a)syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=fe8264911355151c487f Signed-off-by: Vasiliy Kovalev <kovalev(a)altlinux.org> Signed-off-by: Dave Kleikamp <dave.kleikamp(a)oracle.com> diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c index 26e89d0c69b6..35e063c9f3a4 100644 --- a/fs/jfs/jfs_dmap.c +++ b/fs/jfs/jfs_dmap.c @@ -194,7 +194,11 @@ int dbMount(struct inode *ipbmap) !bmp->db_numag || (bmp->db_numag > MAXAG) || (bmp->db_maxag >= MAXAG) || (bmp->db_maxag < 0) || (bmp->db_agpref >= MAXAG) || (bmp->db_agpref < 0) || - !bmp->db_agwidth || + (bmp->db_agheight < 0) || (bmp->db_agheight > (L2LPERCTL >> 1)) || + (bmp->db_agwidth < 1) || (bmp->db_agwidth > (LPERCTL / MAXAG)) || + (bmp->db_agwidth > (1 << (L2LPERCTL - (bmp->db_agheight << 1)))) || + (bmp->db_agstart < 0) || + (bmp->db_agstart > (CTLTREESIZE - 1 - bmp->db_agwidth * (MAXAG - 1))) || (bmp->db_agl2size > L2MAXL2SIZE - L2MAXAG) || (bmp->db_agl2size < 0) || ((bmp->db_mapsize - 1) >> bmp->db_agl2size) > MAXAG) {

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FAILED: patch "[PATCH] jfs: validate AG parameters in dbMount() to prevent crashes" failed to apply to 6.12-stable tree

by gregkh＠linuxfoundation.org

The patch below does not apply to the 6.12-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>. To reproduce the conflict and resubmit, you may use the following commands: git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.12.y git checkout FETCH_HEAD git cherry-pick -x 37bfb464ddca87f203071b5bd562cd91ddc0b40a # <resolve conflicts, build, test, etc.> git commit -s git send-email --to '<stable(a)vger.kernel.org>' --in-reply-to '2025062016-hardener-favoring-2b01@gregkh' --subject-prefix 'PATCH 6.12.y' HEAD^.. Possible dependencies: thanks, greg k-h ------------------ original commit in Linus's tree ------------------ From 37bfb464ddca87f203071b5bd562cd91ddc0b40a Mon Sep 17 00:00:00 2001 From: Vasiliy Kovalev <kovalev(a)altlinux.org> Date: Mon, 10 Mar 2025 11:56:02 +0300 Subject: [PATCH] jfs: validate AG parameters in dbMount() to prevent crashes Validate db_agheight, db_agwidth, and db_agstart in dbMount to catch corrupted metadata early and avoid undefined behavior in dbAllocAG. Limits are derived from L2LPERCTL, LPERCTL/MAXAG, and CTLTREESIZE: - agheight: 0 to L2LPERCTL/2 (0 to 5) ensures shift (L2LPERCTL - 2*agheight) >= 0. - agwidth: 1 to min(LPERCTL/MAXAG, 2^(L2LPERCTL - 2*agheight)) ensures agperlev >= 1. - Ranges: 1-8 (agheight 0-3), 1-4 (agheight 4), 1 (agheight 5). - LPERCTL/MAXAG = 1024/128 = 8 limits leaves per AG; 2^(10 - 2*agheight) prevents division to 0. - agstart: 0 to CTLTREESIZE-1 - agwidth*(MAXAG-1) keeps ti within stree (size 1365). - Ranges: 0-1237 (agwidth 1), 0-348 (agwidth 8). UBSAN: shift-out-of-bounds in fs/jfs/jfs_dmap.c:1400:9 shift exponent -335544310 is negative CPU: 0 UID: 0 PID: 5822 Comm: syz-executor130 Not tainted 6.14.0-rc5-syzkaller #0 Hardware name: Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 ubsan_epilogue lib/ubsan.c:231 [inline] __ubsan_handle_shift_out_of_bounds+0x3c8/0x420 lib/ubsan.c:468 dbAllocAG+0x1087/0x10b0 fs/jfs/jfs_dmap.c:1400 dbDiscardAG+0x352/0xa20 fs/jfs/jfs_dmap.c:1613 jfs_ioc_trim+0x45a/0x6b0 fs/jfs/jfs_discard.c:105 jfs_ioctl+0x2cd/0x3e0 fs/jfs/ioctl.c:131 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Found by Linux Verification Center (linuxtesting.org) with Syzkaller. Cc: stable(a)vger.kernel.org Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2") Reported-by: syzbot+fe8264911355151c487f(a)syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=fe8264911355151c487f Signed-off-by: Vasiliy Kovalev <kovalev(a)altlinux.org> Signed-off-by: Dave Kleikamp <dave.kleikamp(a)oracle.com> diff --git a/fs/jfs/jfs_dmap.c b/fs/jfs/jfs_dmap.c index 26e89d0c69b6..35e063c9f3a4 100644 --- a/fs/jfs/jfs_dmap.c +++ b/fs/jfs/jfs_dmap.c @@ -194,7 +194,11 @@ int dbMount(struct inode *ipbmap) !bmp->db_numag || (bmp->db_numag > MAXAG) || (bmp->db_maxag >= MAXAG) || (bmp->db_maxag < 0) || (bmp->db_agpref >= MAXAG) || (bmp->db_agpref < 0) || - !bmp->db_agwidth || + (bmp->db_agheight < 0) || (bmp->db_agheight > (L2LPERCTL >> 1)) || + (bmp->db_agwidth < 1) || (bmp->db_agwidth > (LPERCTL / MAXAG)) || + (bmp->db_agwidth > (1 << (L2LPERCTL - (bmp->db_agheight << 1)))) || + (bmp->db_agstart < 0) || + (bmp->db_agstart > (CTLTREESIZE - 1 - bmp->db_agwidth * (MAXAG - 1))) || (bmp->db_agl2size > L2MAXL2SIZE - L2MAXAG) || (bmp->db_agl2size < 0) || ((bmp->db_mapsize - 1) >> bmp->db_agl2size) > MAXAG) {

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