FAT-fs (loop5): Directory bread(block 72) failed
FAT-fs (loop5): Directory bread(block 73) failed
F2FS-fs (loop0): invalid crc value
F2FS-fs (loop0): Found nat_bits in checkpoint
------------[ cut here ]------------
kernel BUG at fs/f2fs/node.c:1950!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 10381 Comm: syz-executor.0 Not tainted 4.14.303-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023
task: ffff8880af4dc580 task.stack: ffff88804b178000
RIP: 0010:scan_nat_page fs/f2fs/node.c:1950 [inline]
RIP: 0010:__build_free_nids+0xca8/0x1390 fs/f2fs/node.c:2041
RSP: 0018:ffff88804b17f958 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff888093f9c017 RCX: ffffc90005bcc000
RDX: 0000000000040000 RSI: ffffffff82caac38 RDI: ffff888093f9c000
RBP: 0000000000000002 R08: ffffffff8b9c2e38 R09: 0000000000000003
R10: 0000000000000000 R11: ffff8880af4dc580 R12: 0000000000000002
R13: ffff888093d06dc0 R14: dffffc0000000000 R15: ffff8880ab1f4540
FS:  00007f69f27c0700(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005651d5022160 CR3: 00000000b0375000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 build_free_nids fs/f2fs/node.c:2077 [inline]
 build_node_manager+0x1664/0x1d50 fs/f2fs/node.c:2754
 f2fs_fill_super+0x2e3a/0x56a0 fs/f2fs/super.c:2587
 mount_bdev+0x2b3/0x360 fs/super.c:1134
 mount_fs+0x92/0x2a0 fs/super.c:1237
 vfs_kern_mount.part.0+0x5b/0x470 fs/namespace.c:1046
 vfs_kern_mount fs/namespace.c:1036 [inline]
 do_new_mount fs/namespace.c:2572 [inline]
 do_mount+0xe65/0x2a30 fs/namespace.c:2905
 SYSC_mount fs/namespace.c:3121 [inline]
 SyS_mount+0xa8/0x120 fs/namespace.c:3098
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x5e/0xd3
RIP: 0033:0x7f69f424f5fa
RSP: 002b:00007f69f27bff88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00000000000105e1 RCX: 00007f69f424f5fa
RDX: 0000000020000000 RSI: 0000000020010600 RDI: 00007f69f27bffe0
RBP: 00007f69f27c0020 R08: 00007f69f27c0020 R09: 0000000000000002
R10: 0000000000000002 R11: 0000000000000202 R12: 0000000020000000
R13: 0000000020010600 R14: 00007f69f27bffe0 R15: 0000000020005680
Code: 38 83 fb 01 74 0e e8 d8 a9 8a fe 83 fb 02 0f 85 8b f9 ff ff e8 ca a9 8a fe 4c 89 ef e8 92 32 9d fe e9 bd f9 ff ff e8 b8 a9 8a fe <0f> 0b e8 b1 a9 8a fe 4c 89 ef e8 59 ef a1 fe e9 a4 f9 ff ff c7 
RIP: scan_nat_page fs/f2fs/node.c:1950 [inline] RSP: ffff88804b17f958
RIP: __build_free_nids+0xca8/0x1390 fs/f2fs/node.c:2041 RSP: ffff88804b17f958
---[ end trace 2218084c462980f5 ]---