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WARNING: CPU: 0 PID: 9764 at kernel/workqueue.c:3540 pwq_adjust_max_active.cold+0x11/0x18 kernel/workqueue.c:3540
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 9764 Comm: syz-executor.1 Not tainted 4.19.197-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x5a kernel/panic.c:541
 report_bug+0x262/0x2b0 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:pwq_adjust_max_active.cold+0x11/0x18 kernel/workqueue.c:3540
Code: f9 e8 a7 6d 70 f9 48 c7 c7 80 3f 69 88 e8 d1 d9 00 00 0f 0b e9 28 ca 4b f9 e8 8f 6d 70 f9 48 c7 c7 80 3f 69 88 e8 b9 d9 00 00 <0f> 0b e9 e0 d5 4b f9 e8 77 6d 70 f9 48 c7 c7 80 3f 69 88 e8 a1 d9
RSP: 0018:ffff888053097a48 EFLAGS: 00010286
RAX: 0000000000000024 RBX: ffffe8ffffda9200 RCX: 0000000000000000
RDX: 000000000000d932 RSI: ffffffff814dfcc1 RDI: ffffed100a612f3b
RBP: ffff8880a0e27081 R08: 0000000000000024 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: ffff8880a0e270a0
 __alloc_workqueue_key+0x628/0xed0 kernel/workqueue.c:4140
 xfs_init_mount_workqueues+0xe4/0x6d0 fs/xfs/xfs_super.c:839
 xfs_fs_fill_super+0x713/0x1540 fs/xfs/xfs_super.c:1625
 mount_bdev+0x2fc/0x3b0 fs/super.c:1158
 mount_fs+0xa3/0x310 fs/super.c:1261
 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961
 vfs_kern_mount fs/namespace.c:951 [inline]
 do_new_mount fs/namespace.c:2469 [inline]
 do_mount+0x113c/0x2f10 fs/namespace.c:2799
 ksys_mount+0xcf/0x130 fs/namespace.c:3015
 __do_sys_mount fs/namespace.c:3029 [inline]
 __se_sys_mount fs/namespace.c:3026 [inline]
 __x64_sys_mount+0xba/0x150 fs/namespace.c:3026
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x467b0a
Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9b70a0afa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467b0a
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f9b70a0b000
RBP: 00007f9b70a0b040 R08: 00007f9b70a0b040 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000
R13: 0000000020000100 R14: 00007f9b70a0b000 R15: 0000000020112900
Kernel Offset: disabled
Rebooting in 86400 seconds..