Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 fail_dump lib/fault-inject.c:51 [inline] should_fail.cold+0x10a/0x149 lib/fault-inject.c:149 ------------[ cut here ]------------ should_failslab+0xd6/0x130 mm/failslab.c:32 WARNING: CPU: 1 PID: 32273 at fs/super.c:1163 kill_block_super+0xbe/0xe0 fs/super.c:1163 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 Kernel panic - not syncing: panic_on_warn set ... 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+0x46/0xbb RIP: 0033:0x7f8569d8d7aa RSP: 002b:00007f8568700f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020001480 RCX: 00007f8569d8d7aa RDX: 0000000020000000 RSI: 0000000020000040 RDI: 00007f8568700fe0 RBP: 00007f8568701020 R08: 00007f8568701020 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000040 R14: 00007f8568700fe0 R15: 0000000020001580 CPU: 1 PID: 32273 Comm: syz-executor.4 Not tainted 4.14.290-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 panic+0x1f9/0x42d kernel/panic.c:183 __warn.cold+0x20/0x44 kernel/panic.c:547 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:964 RIP: 0010:kill_block_super+0xbe/0xe0 fs/super.c:1163 RSP: 0018:ffff88809dd17a50 EFLAGS: 00010246 RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc900089f1000 RDX: 0000000000040000 RSI: ffffffff81875ece RDI: ffff88808fedd6f0 RBP: ffff8880aade28c0 R08: ffffffff8b9d82f8 R09: 0000000000000001 R10: 0000000000000000 R11: ffff8880a4f10440 R12: ffff88808fedd240 R13: ffffffff893049b0 R14: ffffffff88f45760 R15: dffffc0000000000 gfs2_kill_sb+0x144/0x1a0 fs/gfs2/ops_fstype.c:1398 deactivate_locked_super+0x6c/0xd0 fs/super.c:319 sget_userns+0x9c4/0xc10 fs/super.c:537 sget+0xd1/0x110 fs/super.c:572 gfs2_mount+0x10f/0x510 fs/gfs2/ops_fstype.c:1292 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+0x46/0xbb RIP: 0033:0x7f68b97137aa RSP: 002b:00007f68b8086f88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020001480 RCX: 00007f68b97137aa RDX: 0000000020000000 RSI: 0000000020000040 RDI: 00007f68b8086fe0 RBP: 00007f68b8087020 R08: 00007f68b8087020 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000040 R14: 00007f68b8086fe0 R15: 0000000020001580 Kernel Offset: disabled Rebooting in 86400 seconds..