Hello:
This patch was applied to jaegeuk/f2fs.git (dev)
by Jaegeuk Kim <jaeg...@kernel.org>:
On Tue, 1 Jul 2025 17:26:10 +0800 you wrote:
> As syzbot reported as below:
>
> F2FS-fs (loop9): inject invalid blkaddr in f2fs_is_valid_blkaddr of
> do_write_page+0x277/0xb10 fs/f2fs/segment.c:3956
> ------------[ cut here ]------------
> kernel BUG at fs/f2fs/segment.c:3957!
> Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
> CPU: 0 UID: 0 PID: 10538 Comm: syz-executor Not tainted
> 6.16.0-rc3-next-20250627-syzkaller #0 PREEMPT(full)
> Call Trace:
> <TASK>
> f2fs_outplace_write_data+0x11a/0x220 fs/f2fs/segment.c:4017
> f2fs_do_write_data_page+0x12ea/0x1a40 fs/f2fs/data.c:2752
> f2fs_write_single_data_page+0xa68/0x1680 fs/f2fs/data.c:2851
> f2fs_write_cache_pages fs/f2fs/data.c:3133 [inline]
> __f2fs_write_data_pages fs/f2fs/data.c:3282 [inline]
> f2fs_write_data_pages+0x195b/0x3000 fs/f2fs/data.c:3309
> do_writepages+0x32b/0x550 mm/page-writeback.c:2636
> filemap_fdatawrite_wbc mm/filemap.c:386 [inline]
> __filemap_fdatawrite_range mm/filemap.c:419 [inline]
> __filemap_fdatawrite mm/filemap.c:425 [inline]
> filemap_fdatawrite+0x199/0x240 mm/filemap.c:430
> f2fs_sync_dirty_inodes+0x31f/0x830 fs/f2fs/checkpoint.c:1108
> block_operations fs/f2fs/checkpoint.c:1247 [inline]
> f2fs_write_checkpoint+0x95a/0x1df0 fs/f2fs/checkpoint.c:1638
> kill_f2fs_super+0x2c3/0x6c0 fs/f2fs/super.c:5081
> deactivate_locked_super+0xb9/0x130 fs/super.c:474
> cleanup_mnt+0x425/0x4c0 fs/namespace.c:1417
> task_work_run+0x1d4/0x260 kernel/task_work.c:227
> resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
> exit_to_user_mode_loop+0xec/0x110 kernel/entry/common.c:114
> exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline]
> syscall_exit_to_user_mode_work include/linux/entry-common.h:414 [inline]
> syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline]
> do_syscall_64+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100
> entry_SYSCALL_64_after_hwframe+0x77/0x7f
>
> [...]
Here is the summary with links:
- [f2fs-dev] f2fs: fix to use f2fs_is_valid_blkaddr_raw() in do_write_page()
https://git.kernel.org/jaegeuk/f2fs/c/8f4688591d96
You are awesome, thank you!
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