will be removed in v5.15!
======================================================
F2FS-fs (loop3): Found nat_bits in checkpoint
F2FS-fs (loop3): Mounted with checkpoint version = 753bd00b
------------[ cut here ]------------
kernel BUG at fs/f2fs/node.c:2780!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 8054 Comm: syz-executor.3 Not tainted 4.14.302-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
task: ffff8880b0018040 task.stack: ffff8880af1b0000
RIP: 0010:destroy_node_manager+0x4f4/0x780 fs/f2fs/node.c:2780
RSP: 0018:ffff8880af1b78c0 EFLAGS: 00010297
RAX: ffff8880b0018040 RBX: ffff88809caaf7b0 RCX: dffffc0000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88809caaf7d4
RBP: ffff88809caaf6c0 R08: ffffffff8b9abb88 R09: 00000000000406db
R10: ffff8880b00188f0 R11: ffff8880b0018040 R12: ffff88809caaf7d8
R13: ffffed101387c1ae R14: ffff88809caaf7b0 R15: ffff88809c3e0d40
FS:  0000555555726400(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb62502a9d8 CR3: 0000000095fd0000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
syz-executor.4 (9970) used greatest stack depth: 22624 bytes left
 f2fs_put_super+0x3e1/0x840 fs/f2fs/super.c:835
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.2'.
 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
netlink: 20 bytes leftover after parsing attributes in process `syz-executor.5'.
 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: 0033:0x7fca14e78517
RSP: 002b:00007ffc5b0ffde8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fca14e78517
RDX: 00007ffc5b0ffeb8 RSI: 000000000000000a RDI: 00007ffc5b0ffeb0
RBP: 00007ffc5b0ffeb0 R08: 00000000ffffffff R09: 00007ffc5b0ffc80
R10: 0000555555727923 R11: 0000000000000246 R12: 00007fca14ed1b24
R13: 00007ffc5b100f70 R14: 0000555555727810 R15: 00007ffc5b100fb0
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 9a 3b 89 fe 0f 0b e8 93 3b 89 fe 0f 0b e8 8c 3b 89 fe <0f> 0b e8 85 3b 89 fe 0f 0b e8 7e 3b 89 fe 48 8b 7c 24 28 e8 34 
RIP: destroy_node_manager+0x4f4/0x780 fs/f2fs/node.c:2780 RSP: ffff8880af1b78c0
---[ end trace ddc1164f39fedcf1 ]---