XFS (loop3): Invalid superblock magic number
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 6371 Comm: syz-executor.3 Not tainted 4.14.198-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88805e692300 task.stack: ffff88805e698000
RIP: 0010:do_syscall_64+0xee/0x640 arch/x86/entry/common.c:292
RSP: 0018:ffff88805e69ff00 EFLAGS: 00010002
RAX: dffffc0000000000 RBX: 0000000000000037 RCX: 0000000000000000
RDX: 03fffffffe1f45a4 RSI: 0000000000000001 RDI: ffff88805e692b84
RBP: ffff88805e69ff58 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff87d16918
R13: ffff88805e69ffd0 R14: ffff88805e692300 R15: 0000000000000000
FS:  0000000003259940(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000746138 CR3: 000000005eb22000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x460c8a
RSP: 002b:00007ffd497c41d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000037
RAX: ffffffffffffffda RBX: 00007ffd497c4200 RCX: 0000000000460c8a
RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 000000000074be60 R08: 00007ffd497c41fc R09: 0000000000004000
R10: 00007ffd497c4200 R11: 0000000000000246 R12: 00007ffd497c4260
R13: 0000000000000003 R14: 0000000000749ca0 R15: 0000000000000000
Code: e8 b8 28 5b 00 48 81 fb 24 02 00 00 48 19 c0 48 21 c3 48 b8 00 00 00 00 00 fc ff df 48 8d 3c dd e0 40 a0 86 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 27 04 00 00 48 8d 7d 40 48 8b 1c dd e0 40 a0 
RIP: do_syscall_64+0xee/0x640 arch/x86/entry/common.c:292 RSP: ffff88805e69ff00
---[ end trace 0d2a6da88ae1b471 ]---