IPVS: ftp: loaded support on port[0] = 21
F2FS-fs (loop0): Found nat_bits in checkpoint
F2FS-fs (loop0): Mounted with checkpoint version = 48b305e5
------------[ cut here ]------------
kernel BUG at fs/f2fs/node.c:2780!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 0 PID: 7983 Comm: syz-executor128 Not tainted 4.14.304-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
task: ffff888096968080 task.stack: ffff8880b3218000
RIP: 0010:destroy_node_manager+0x4f4/0x780 fs/f2fs/node.c:2780
RSP: 0018:ffff8880b321f7b0 EFLAGS: 00010297
RAX: ffff888096968080 RBX: ffff8880b3041330 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8880b3041354
RBP: ffff8880b3041240 R08: ffffffff8b9a7198 R09: 000000000004058f
R10: ffff888096968930 R11: ffff888096968080 R12: ffff8880b3041358
R13: ffffed1012cf81d6 R14: ffff8880b3041330 R15: ffff8880967c0e80
FS:  0000555555ee4300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f3a82e08140 CR3: 0000000008e6a000 CR4: 00000000003406f0
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
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0xa44/0x2850 kernel/exit.c:868
 do_group_exit+0x100/0x2e0 kernel/exit.c:965
 SYSC_exit_group kernel/exit.c:976 [inline]
 SyS_exit_group+0x19/0x20 kernel/exit.c:974
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f3a82d8f9f9
RSP: 002b:00007ffd721166a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f3a82e0a330 RCX: 00007f3a82d8f9f9
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 0000000000000001 R08: ffffffffffffffc0 R09: 00007f3a82e04e40
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3a82e0a330
R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000001
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: ffff8880b321f7b0
---[ end trace ffbf12a7b52b6fd5 ]---