__alloc_pages include/linux/gfp.h:484 [inline]
 __alloc_pages_node include/linux/gfp.h:497 [inline]
 kmem_getpages mm/slab.c:1419 [inline]
 cache_grow_begin+0x91/0x700 mm/slab.c:2676
------------[ cut here ]------------
WARNING: CPU: 1 PID: 26699 at fs/super.c:1163 kill_block_super+0xbe/0xe0 fs/super.c:1163
Kernel panic - not syncing: panic_on_warn set ...

 cache_alloc_refill+0x273/0x350 mm/slab.c:3043
 ____cache_alloc mm/slab.c:3125 [inline]
 __do_cache_alloc mm/slab.c:3347 [inline]
 slab_alloc mm/slab.c:3382 [inline]
 kmem_cache_alloc+0x333/0x3c0 mm/slab.c:3550
 getname_flags+0xc8/0x550 fs/namei.c:138
 user_path_at_empty+0x2a/0x50 fs/namei.c:2631
 user_path include/linux/namei.h:62 [inline]
 do_mount+0x118/0x2a30 fs/namespace.c:2845
 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: 0033:0x7f84b7c0e6ca
RSP: 002b:00007f84b6581f88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000340 RCX: 00007f84b7c0e6ca
RDX: 0000000020000080 RSI: 00000000200000c0 RDI: 00007f84b6581fe0
RBP: 00007f84b6582020 R08: 00007f84b6582020 R09: 0000000020000080
R10: 0000000000018001 R11: 0000000000000206 R12: 0000000020000080
R13: 00000000200000c0 R14: 00007f84b6581fe0 R15: 00000000200003c0
CPU: 1 PID: 26699 Comm: syz-executor.5 Not tainted 4.14.288-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022
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:ffff88809904fbc8 EFLAGS: 00010246
RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc90005bf6000
RDX: 0000000000040000 RSI: ffffffff8187617e RDI: ffff888090370ab0
RBP: ffff88809a8ce640 R08: ffffffff8b9de578 R09: 0000000000000001
R10: 0000000000000000 R11: ffff888086da0100 R12: ffff888090370600
R13: ffffffff890aebf0 R14: ffffffff88f45760 R15: dffffc0000000000
 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+0x46/0xbb
RIP: 0033:0x7f2dd027c6ca
RSP: 002b:00007f2dcebeff88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000340 RCX: 00007f2dd027c6ca
RDX: 0000000020000080 RSI: 00000000200000c0 RDI: 00007f2dcebeffe0
RBP: 00007f2dcebf0020 R08: 00007f2dcebf0020 R09: 0000000020000080
R10: 0000000000018001 R11: 0000000000000206 R12: 0000000020000080
R13: 00000000200000c0 R14: 00007f2dcebeffe0 R15: 00000000200003c0
Kernel Offset: disabled
Rebooting in 86400 seconds..