BTRFS: device fsid e417788f-7a09-42b2-9266-8ddc5d5d35d2 devid 1 transid 8 /dev/loop2
F2FS-fs (loop1): Found nat_bits in checkpoint
BTRFS error (device loop2): unsupported checksum algorithm 1
BTRFS error (device loop2): superblock checksum mismatch
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kernel BUG at fs/f2fs/node.c:2780!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 7990 Comm: syz-executor.5 Not tainted 4.14.304-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
task: ffff8880a241c600 task.stack: ffff8880a63c0000
RIP: 0010:destroy_node_manager+0x4f4/0x780 fs/f2fs/node.c:2780
RSP: 0018:ffff8880a63c78c0 EFLAGS: 00010297
RAX: ffff8880a241c600 RBX: ffff8880b514e9f0 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8880b514ea14
RBP: ffff8880b514e900 R08: ffffffff8b9d0aa0 R09: 00000000000406b6
R10: ffff8880a241ceb0 R11: ffff8880a241c600 R12: ffff8880b514ea18
R13: ffffed1012415dbe R14: ffff8880b514e9f0 R15: ffff8880920aedc0
FS:  0000555555ffd400(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd15bc00000 CR3: 00000000a21ec000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 f2fs_put_super+0x3e1/0x840 fs/f2fs/super.c:835
 generic_shutdown_super+0x144/0x370 fs/super.c:446
 kill_block_super+0x95/0xe0 fs/super.c:1161
 deactivate_locked_super+0x6c/0xd0 fs/super.c:319
 deactivate_super+0x7f/0xa0 fs/super.c:350
 cleanup_mnt+0x186/0x2c0 fs/namespace.c:1183
 task_work_run+0x11f/0x190 kernel/task_work.c:113
 tracehook_notify_resume include/linux/tracehook.h:191 [inline]
 exit_to_usermode_loop+0x1ad/0x200 arch/x86/entry/common.c:164
 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:270 [inline]
 do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f172990a537
RSP: 002b:00007fff582db0d8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f172990a537
RDX: 00007fff582db1aa RSI: 000000000000000a RDI: 00007fff582db1a0
RBP: 00007fff582db1a0 R08: 00000000ffffffff R09: 00007fff582daf70
R10: 0000555555ffe903 R11: 0000000000000246 R12: 00007f1729963b24
R13: 00007fff582dc260 R14: 0000555555ffe810 R15: 00007fff582dc2a0
Code: 40 6c 00 00 00 00 48 81 c4 d8 03 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 6a 38 89 fe 0f 0b e8 63 38 89 fe 0f 0b e8 5c 38 89 fe <0f> 0b e8 55 38 89 fe 0f 0b e8 4e 38 89 fe 48 8b 7c 24 28 e8 74 
RIP: destroy_node_manager+0x4f4/0x780 fs/f2fs/node.c:2780 RSP: ffff8880a63c78c0
---[ end trace db5dc38b587ed606 ]---