R13: 00007ffddbaa681f R14: 00007f1ff5ce9300 R15: 0000000000022000
CPU: 1 PID: 7637 Comm: syz-executor.0 Not tainted 4.14.307-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
------------[ cut here ]------------
Call Trace:
WARNING: CPU: 0 PID: 7638 at fs/super.c:1163 kill_block_super+0xbe/0xe0 fs/super.c:1163
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
Kernel panic - not syncing: kernel: panic_on_warn set ...

 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10a/0x149 lib/fault-inject.c:149
 should_failslab+0xd6/0x130 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:421 [inline]
 slab_alloc mm/slab.c:3376 [inline]
 kmem_cache_alloc+0x28e/0x3c0 mm/slab.c:3550
 kmem_cache_zalloc include/linux/slab.h:651 [inline]
 alloc_vfsmnt+0x23/0x7f0 fs/namespace.c:205
 vfs_kern_mount.part.0+0x27/0x470 fs/namespace.c:1039
 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: 0033:0x7f36c49390f9
RSP: 002b:00007f36c2eab168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f36c4a58f80 RCX: 00007f36c49390f9
RDX: 0000000020000100 RSI: 0000000020000040 RDI: 0000000020000080
RBP: 00007f36c2eab1d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffe2411b21f R14: 00007f36c2eab300 R15: 0000000000022000
CPU: 0 PID: 7638 Comm: syz-executor.3 Not tainted 4.14.307-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x281 lib/dump_stack.c:58
 panic+0x21d/0x451 kernel/panic.c:247
 check_panic_on_warn.cold+0x19/0x35 kernel/panic.c:171
 __warn+0xdf/0x1e0 kernel/panic.c:603
 report_bug+0x208/0x250 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:177 [inline]
 fixup_bug arch/x86/kernel/traps.c:172 [inline]
 do_error_trap+0x195/0x2d0 arch/x86/kernel/traps.c:295
 invalid_op+0x1b/0x40 arch/x86/entry/entry_64.S:967
9pnet: Could not find request transport: xen
RIP: 0010:kill_block_super+0xbe/0xe0 fs/super.c:1163
RSP: 0018:ffff888094d87bb0 EFLAGS: 00010246
RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc900092fd000
RDX: 0000000000040000 RSI: ffffffff81877b4e RDI: ffff88808fecad30
RBP: ffff88807c0b8140 R08: ffffffff8b9d9f18 R09: 0000000000000001
R10: 0000000000000000 R11: ffff888098c04380 R12: ffff88808feca880
R13: ffffffff891de750 R14: ffffffff88f46340 R15: dffffc0000000000
 affs_kill_sb+0x3c/0x150 fs/affs/super.c:636
 deactivate_locked_super+0x6c/0xd0 fs/super.c:319
 sget_userns+0x9c4/0xc10 fs/super.c:537
 sget+0xd1/0x110 fs/super.c:572
 mount_bdev+0xcd/0x360 fs/super.c:1107
 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: 0033:0x7f1ff77770f9
RSP: 002b:00007f1ff5ce9168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f1ff7896f80 RCX: 00007f1ff77770f9
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
RDX: 0000000020000100 RSI: 0000000020000040 RDI: 0000000020000080
RBP: 00007f1ff5ce91d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffddbaa681f R14: 00007f1ff5ce9300 R15: 0000000000022000
Kernel Offset: disabled
Rebooting in 86400 seconds..