Hello:
This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim <jaeg...@kernel.org>:
On Mon, 3 Mar 2025 11:47:38 +0800 you wrote:
> syzbot reports an UBSAN issue as below:
>
> ------------[ cut here ]------------
> UBSAN: array-index-out-of-bounds in fs/f2fs/node.h:381:10
> index 18446744073709550692 is out of range for type '__le32[5]' (aka
> 'unsigned int[5]')
> CPU: 0 UID: 0 PID: 5318 Comm: syz.0.0 Not tainted
> 6.14.0-rc3-syzkaller-00060-g6537cfb395f3 #0
> 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_out_of_bounds+0x121/0x150 lib/ubsan.c:429
> get_nid fs/f2fs/node.h:381 [inline]
> f2fs_truncate_inode_blocks+0xa5e/0xf60 fs/f2fs/node.c:1181
> f2fs_do_truncate_blocks+0x782/0x1030 fs/f2fs/file.c:808
> f2fs_truncate_blocks+0x10d/0x300 fs/f2fs/file.c:836
> f2fs_truncate+0x417/0x720 fs/f2fs/file.c:886
> f2fs_file_write_iter+0x1bdb/0x2550 fs/f2fs/file.c:5093
> aio_write+0x56b/0x7c0 fs/aio.c:1633
> io_submit_one+0x8a7/0x18a0 fs/aio.c:2052
> __do_sys_io_submit fs/aio.c:2111 [inline]
> __se_sys_io_submit+0x171/0x2e0 fs/aio.c:2081
> 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
> RIP: 0033:0x7f238798cde9
>
> [...]
Here is the summary with links:
- [f2fs-dev] f2fs: fix to avoid out-of-bounds access in
f2fs_truncate_inode_blocks()
https://git.kernel.org/jaegeuk/f2fs/c/e6494977bd4a
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
_______________________________________________
Linux-f2fs-devel mailing list
Linux-f2fs-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel
