[ Sasha's backport helper bot ]
Hi,
The upstream commit SHA1 provided is correct: b7d0a97b28083084ebdd8e5c6bccd12e6ec18faa
WARNING: Author mismatch between patch and upstream commit: Backport author: lanbincn@qq.com Commit author: Ye Binyebin10@huawei.com
Status in newer kernel trees: 6.12.y | Present (different SHA1: 9e11b1d5fda9) 6.6.y | Not found
Note: The patch differs from the upstream commit: --- 1: b7d0a97b2808 ! 1: 73a09904eb0d f2fs: fix null-ptr-deref in f2fs_submit_page_bio() @@ Metadata ## Commit message ## f2fs: fix null-ptr-deref in f2fs_submit_page_bio()
+ [ Upstream commit b7d0a97b28083084ebdd8e5c6bccd12e6ec18faa ] + There's issue as follows when concurrently installing the f2fs.ko module and mounting the f2fs file system: KASAN: null-ptr-deref in range [0x0000000000000020-0x0000000000000027] @@ Commit message Signed-off-by: Ye Bin yebin10@huawei.com Reviewed-by: Chao Yu chao@kernel.org Signed-off-by: Jaegeuk Kim jaegeuk@kernel.org + Signed-off-by: Bin Lan lanbincn@qq.com
## fs/f2fs/super.c ## @@ fs/f2fs/super.c: static int __init init_f2fs_fs(void) - err = f2fs_init_shrinker(); + err = register_shrinker(&f2fs_shrinker_info, "f2fs-shrinker"); if (err) goto free_sysfs; - err = register_filesystem(&f2fs_fs_type); @@ fs/f2fs/super.c: static int __init init_f2fs_fs(void) f2fs_destroy_root_stats(); - unregister_filesystem(&f2fs_fs_type); -free_shrinker: - f2fs_exit_shrinker(); + unregister_shrinker(&f2fs_shrinker_info); free_sysfs: f2fs_exit_sysfs(); @@ fs/f2fs/super.c: static int __init init_f2fs_fs(void) @@ fs/f2fs/super.c: static void __exit exit_f2fs_fs(void) f2fs_destroy_post_read_processing(); f2fs_destroy_root_stats(); - unregister_filesystem(&f2fs_fs_type); - f2fs_exit_shrinker(); + unregister_shrinker(&f2fs_shrinker_info); f2fs_exit_sysfs(); f2fs_destroy_garbage_collection_cache(); ---
Results of testing on various branches:
| Branch | Patch Apply | Build Test | |---------------------------|-------------|------------| | stable/linux-6.6.y | Success | Success |