Hello, syzbot found the following issue on: HEAD commit: a5541c0811a0 Merge branch 'for-next/core' into for-kernelci git tree: git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux.git for-kernelci console output: https://syzkaller.appspot.com/x/log.txt?x=10dd01ac480000 kernel config: https://syzkaller.appspot.com/x/.config?x=cbd4e584773e9397 dashboard link: https://syzkaller.appspot.com/bug?extid=5d3521f1abbb5c599e55 compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 userspace arch: arm64 syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13bf9550480000 C reproducer: https://syzkaller.appspot.com/x/repro.c?x=146deeb0480000 Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/4b7702208fb9/disk-a5541c08.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/9ec0153ec051/vmlinux-a5541c08.xz kernel image: https://storage.googleapis.com/syzbot-assets/6f8725ad290a/Image-a5541c08.gz.xz mounted in repro: https://storage.googleapis.com/syzbot-assets/0b962d567fb3/mount_0.gz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+5d3521f1abbb5c599e55@xxxxxxxxxxxxxxxxxxxxxxxxx XFS (loop0): Metadata corruption detected at xfs_btree_lookup_get_block+0x220/0x2b0 fs/xfs/libxfs/xfs_btree.c:1846, xfs_refcountbt block 0x18 XFS (loop0): Unmount and run xfs_repair list_del corruption, ffff0000c66a53f8->next is NULL ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:50! Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 3071 Comm: syz-executor314 Not tainted 6.1.0-rc8-syzkaller-33330-ga5541c0811a0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __list_del_entry_valid+0x70/0xd0 lib/list_debug.c:49 lr : __list_del_entry_valid+0x70/0xd0 lib/list_debug.c:49 sp : ffff80000fedb8e0 x29: ffff80000fedb8e0 x28: ffff0000c71ab480 x27: 0000000000000000 x26: ffff0000c970b400 x25: 0000000000000000 x24: 000000000000000d x23: ffff0000c66a5128 x22: ffff0000c66a5190 x21: 0000000000000000 x20: ffff0000c66a53f8 x19: ffff0000c66a53e8 x18: 00000000000000c0 x17: ffff80000dda8198 x16: ffff80000dbe6158 x15: ffff0000c71ab480 x14: 0000000000000000 x13: 00000000ffffffff x12: ffff0000c71ab480 x11: ff808000081c4d64 x10: 0000000000000000 x9 : 0c68720d3549f800 x8 : 0c68720d3549f800 x7 : ffff80000c091ebc x6 : 0000000000000000 x5 : 0000000000000080 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000033 Call trace: __list_del_entry_valid+0x70/0xd0 lib/list_debug.c:49 __list_del_entry include/linux/list.h:134 [inline] list_del_init include/linux/list.h:206 [inline] xfs_trans_del_item+0x38/0x94 fs/xfs/xfs_trans.c:696 xfs_trans_brelse+0xa0/0xdc fs/xfs/xfs_trans_buf.c:385 xfs_btree_del_cursor+0x64/0x134 fs/xfs/libxfs/xfs_btree.c:440 xfs_refcount_recover_cow_leftovers+0x150/0x344 fs/xfs/libxfs/xfs_refcount.c:1834 xfs_reflink_recover_cow+0x5c/0x100 fs/xfs/xfs_reflink.c:930 xlog_recover_finish+0x310/0x3bc fs/xfs/xfs_log_recover.c:3493 xfs_log_mount_finish+0xd4/0x250 fs/xfs/xfs_log.c:827 xfs_mountfs+0x7e4/0xb38 fs/xfs/xfs_mount.c:919 xfs_fs_fill_super+0x804/0x880 fs/xfs/xfs_super.c:1666 get_tree_bdev+0x1e8/0x2a0 fs/super.c:1324 xfs_fs_get_tree+0x28/0x38 fs/xfs/xfs_super.c:1713 vfs_get_tree+0x40/0x140 fs/super.c:1531 do_new_mount+0x1dc/0x4e4 fs/namespace.c:3040 path_mount+0x358/0x890 fs/namespace.c:3370 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __arm64_sys_mount+0x2c4/0x3c4 fs/namespace.c:3568 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x140 arch/arm64/kernel/syscall.c:197 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584 Code: d65f03c0 b001b740 91013000 94aa89fa (d4210000) ---[ end trace 0000000000000000 ]--- --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot. syzbot can test patches for this issue, for details see: https://goo.gl/tpsmEJ#testing-patches
