Re: [f2fs-dev] [PATCH] f2fs: fix to avoid uninit-value access in f2fs_sanity_check_node_footer

[patchwork-bot+f2fs]

Hello:

This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim <jaegeuk@xxxxxxxxxx>:

On Mon,  9 Mar 2026 02:22:37 +0000 you wrote:
> syzbot reported a f2fs bug as below:
> 
> BUG: KMSAN: uninit-value in f2fs_sanity_check_node_footer+0x374/0xa20 fs/f2fs/node.c:1520
>  f2fs_sanity_check_node_footer+0x374/0xa20 fs/f2fs/node.c:1520
>  f2fs_finish_read_bio+0xe1e/0x1d60 fs/f2fs/data.c:177
>  f2fs_read_end_io+0x6ab/0x2220 fs/f2fs/data.c:-1
>  bio_endio+0x1006/0x1160 block/bio.c:1792
>  submit_bio_noacct+0x533/0x2960 block/blk-core.c:891
>  submit_bio+0x57a/0x620 block/blk-core.c:926
>  blk_crypto_submit_bio include/linux/blk-crypto.h:203 [inline]
>  f2fs_submit_read_bio+0x12c/0x360 fs/f2fs/data.c:557
>  f2fs_submit_page_bio+0xee2/0x1450 fs/f2fs/data.c:775
>  read_node_folio+0x384/0x4b0 fs/f2fs/node.c:1481
>  __get_node_folio+0x5db/0x15d0 fs/f2fs/node.c:1576
>  f2fs_get_inode_folio+0x40/0x50 fs/f2fs/node.c:1623
>  do_read_inode fs/f2fs/inode.c:425 [inline]
>  f2fs_iget+0x1209/0x9380 fs/f2fs/inode.c:596
>  f2fs_fill_super+0x8f5a/0xb2e0 fs/f2fs/super.c:5184
>  get_tree_bdev_flags+0x6e6/0x920 fs/super.c:1694
>  get_tree_bdev+0x38/0x50 fs/super.c:1717
>  f2fs_get_tree+0x35/0x40 fs/f2fs/super.c:5436
>  vfs_get_tree+0xb3/0x5d0 fs/super.c:1754
>  fc_mount fs/namespace.c:1193 [inline]
>  do_new_mount_fc fs/namespace.c:3763 [inline]
>  do_new_mount+0x885/0x1dd0 fs/namespace.c:3839
>  path_mount+0x7a2/0x20b0 fs/namespace.c:4159
>  do_mount fs/namespace.c:4172 [inline]
>  __do_sys_mount fs/namespace.c:4361 [inline]
>  __se_sys_mount+0x704/0x7f0 fs/namespace.c:4338
>  __x64_sys_mount+0xe4/0x150 fs/namespace.c:4338
>  x64_sys_call+0x39f0/0x3ea0 arch/x86/include/generated/asm/syscalls_64.h:166
>  do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
>  do_syscall_64+0x134/0xf80 arch/x86/entry/syscall_64.c:94
>  entry_SYSCALL_64_after_hwframe+0x77/0x7f
> 
> [...]

Here is the summary with links:
  - [f2fs-dev] f2fs: fix to avoid uninit-value access in f2fs_sanity_check_node_footer
    https://git.kernel.org/jaegeuk/f2fs/c/7e00e868a0db

You are awesome, thank you!
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