linux-kernel - Re: [f2fs-dev] [PATCH] f2fs: fix to do sanity check on ino and xnid

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Message-Id: 
 <174425824024.3146257.6460285688268624018.git-patchwork-notify@kernel.org>
Date: Thu, 10 Apr 2025 04:10:40 +0000
From: patchwork-bot+f2fs@...nel.org
To: Chao Yu <chao@...nel.org>
Cc: jaegeuk@...nel.org, syzbot+cc448dcdc7ae0b4e4ffa@...kaller.appspotmail.com,
 linux-kernel@...r.kernel.org, stable@...r.kernel.org,
 linux-f2fs-devel@...ts.sourceforge.net
Subject: Re: [f2fs-dev] [PATCH] f2fs: fix to do sanity check on ino and xnid

Hello:

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

On Mon, 24 Mar 2025 13:33:39 +0800 you wrote:
> syzbot reported a f2fs bug as below:
> 
> INFO: task syz-executor140:5308 blocked for more than 143 seconds.
>       Not tainted 6.14.0-rc7-syzkaller-00069-g81e4f8d68c66 #0
> "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
> task:syz-executor140 state:D stack:24016 pid:5308  tgid:5308  ppid:5306   task_flags:0x400140 flags:0x00000006
> Call Trace:
>  <TASK>
>  context_switch kernel/sched/core.c:5378 [inline]
>  __schedule+0x190e/0x4c90 kernel/sched/core.c:6765
>  __schedule_loop kernel/sched/core.c:6842 [inline]
>  schedule+0x14b/0x320 kernel/sched/core.c:6857
>  io_schedule+0x8d/0x110 kernel/sched/core.c:7690
>  folio_wait_bit_common+0x839/0xee0 mm/filemap.c:1317
>  __folio_lock mm/filemap.c:1664 [inline]
>  folio_lock include/linux/pagemap.h:1163 [inline]
>  __filemap_get_folio+0x147/0xb40 mm/filemap.c:1917
>  pagecache_get_page+0x2c/0x130 mm/folio-compat.c:87
>  find_get_page_flags include/linux/pagemap.h:842 [inline]
>  f2fs_grab_cache_page+0x2b/0x320 fs/f2fs/f2fs.h:2776
>  __get_node_page+0x131/0x11b0 fs/f2fs/node.c:1463
>  read_xattr_block+0xfb/0x190 fs/f2fs/xattr.c:306
>  lookup_all_xattrs fs/f2fs/xattr.c:355 [inline]
>  f2fs_getxattr+0x676/0xf70 fs/f2fs/xattr.c:533
>  __f2fs_get_acl+0x52/0x870 fs/f2fs/acl.c:179
>  f2fs_acl_create fs/f2fs/acl.c:375 [inline]
>  f2fs_init_acl+0xd7/0x9b0 fs/f2fs/acl.c:418
>  f2fs_init_inode_metadata+0xa0f/0x1050 fs/f2fs/dir.c:539
>  f2fs_add_inline_entry+0x448/0x860 fs/f2fs/inline.c:666
>  f2fs_add_dentry+0xba/0x1e0 fs/f2fs/dir.c:765
>  f2fs_do_add_link+0x28c/0x3a0 fs/f2fs/dir.c:808
>  f2fs_add_link fs/f2fs/f2fs.h:3616 [inline]
>  f2fs_mknod+0x2e8/0x5b0 fs/f2fs/namei.c:766
>  vfs_mknod+0x36d/0x3b0 fs/namei.c:4191
>  unix_bind_bsd net/unix/af_unix.c:1286 [inline]
>  unix_bind+0x563/0xe30 net/unix/af_unix.c:1379
>  __sys_bind_socket net/socket.c:1817 [inline]
>  __sys_bind+0x1e4/0x290 net/socket.c:1848
>  __do_sys_bind net/socket.c:1853 [inline]
>  __se_sys_bind net/socket.c:1851 [inline]
>  __x64_sys_bind+0x7a/0x90 net/socket.c:1851
>  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
> 
> [...]

Here is the summary with links:
  - [f2fs-dev] f2fs: fix to do sanity check on ino and xnid
    https://git.kernel.org/jaegeuk/f2fs/c/061cf3a84bde

You are awesome, thank you!
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