Hello: This patch was applied to jaegeuk/f2fs.git (dev) by Jaegeuk Kim <jaeg...@kernel.org>:
On Fri, 31 May 2024 10:00:32 +0800 you wrote: > syzbot reports a f2fs bug as below: > > BUG: KASAN: slab-use-after-free in sanity_check_extent_cache+0x370/0x410 > fs/f2fs/extent_cache.c:46 > Read of size 4 at addr ffff8880739ab220 by task syz-executor200/5097 > > CPU: 0 PID: 5097 Comm: syz-executor200 Not tainted 6.9.0-rc6-syzkaller #0 > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS > Google 03/27/2024 > Call Trace: > <TASK> > __dump_stack lib/dump_stack.c:88 [inline] > dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114 > print_address_description mm/kasan/report.c:377 [inline] > print_report+0x169/0x550 mm/kasan/report.c:488 > kasan_report+0x143/0x180 mm/kasan/report.c:601 > sanity_check_extent_cache+0x370/0x410 fs/f2fs/extent_cache.c:46 > do_read_inode fs/f2fs/inode.c:509 [inline] > f2fs_iget+0x33e1/0x46e0 fs/f2fs/inode.c:560 > f2fs_nfs_get_inode+0x74/0x100 fs/f2fs/super.c:3237 > generic_fh_to_dentry+0x9f/0xf0 fs/libfs.c:1413 > exportfs_decode_fh_raw+0x152/0x5f0 fs/exportfs/expfs.c:444 > exportfs_decode_fh+0x3c/0x80 fs/exportfs/expfs.c:584 > do_handle_to_path fs/fhandle.c:155 [inline] > handle_to_path fs/fhandle.c:210 [inline] > do_handle_open+0x495/0x650 fs/fhandle.c:226 > do_syscall_x64 arch/x86/entry/common.c:52 [inline] > do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > > [...] Here is the summary with links: - [f2fs-dev,v2] f2fs: fix to cover read extent cache access with lock https://git.kernel.org/jaegeuk/f2fs/c/d7409b05a64f 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