F2FS-fs (loop0): Can't find valid F2FS filesystem in 2th superblock F2FS-fs (loop0): invalid crc value F2FS-fs (loop0): Try to recover 2th superblock, ret: 0 F2FS-fs (loop0): 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: 0 PID: 7952 Comm: syz-executor292 Not tainted 4.14.289-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 task: ffff8880b3756380 task.stack: ffff8880a1a50000 RIP: 0010:destroy_node_manager+0x4f4/0x780 fs/f2fs/node.c:2780 RSP: 0018:ffff8880a1a578c0 EFLAGS: 00010297 RAX: ffff8880b3756380 RBX: ffff8880b353e130 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8880b353e154 RBP: ffff8880b353e040 R08: ffffffff8b9c1dc0 R09: 0000000000040590 R10: ffff8880b3756c30 R11: ffff8880b3756380 R12: ffff8880b353e158 R13: ffffed10166b791e R14: ffff8880b353e130 R15: ffff8880b35bc8c0 FS: 00005555563e6300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055860be86000 CR3: 00000000b4d8d000 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 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+0x46/0xbb RIP: 0033:0x7f9534df7827 RSP: 002b:00007fff73577d98 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9534df7827 RDX: 00007fff73577e57 RSI: 000000000000000a RDI: 00007fff73577e50 RBP: 00007fff73577e50 R08: 00000000ffffffff R09: 00007fff73577c30 R10: 00005555563e7683 R11: 0000000000000202 R12: 00007fff73578ec0 R13: 00005555563e75f0 R14: 00007fff73577dc0 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 3a 8f 89 fe 0f 0b e8 33 8f 89 fe 0f 0b e8 2c 8f 89 fe <0f> 0b e8 25 8f 89 fe 0f 0b e8 1e 8f 89 fe 48 8b 7c 24 28 e8 74 RIP: destroy_node_manager+0x4f4/0x780 fs/f2fs/node.c:2780 RSP: ffff8880a1a578c0 ---[ end trace 3e0defd2ac5b2f34 ]---