Kernel panic - not syncing: kernel: panic_on_warn set ...
CPU: 0 UID: 0 PID: 7703 Comm: syz.3.473 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 vpanic+0x552/0x970 kernel/panic.c:651
 panic+0xd1/0xe0 kernel/panic.c:788
 check_panic_on_warn kernel/panic.c:525 [inline]
 check_panic_on_warn.cold+0x19/0x34 kernel/panic.c:520
 __warn.cold+0x191/0x318 kernel/panic.c:1104
 __report_bug+0x30f/0x440 lib/bug.c:254
 report_bug_entry+0xe1/0x290 lib/bug.c:274
 handle_bug+0x1cd/0x2a0 arch/x86/kernel/traps.c:431
 exc_invalid_op+0x17/0x50 arch/x86/kernel/traps.c:490
 asm_exc_invalid_op+0x1a/0x20 arch/x86/include/asm/idtentry.h:593
RIP: 0010:netdev_assert_locked_ops_compat include/net/netdev_lock.h:72 [inline]
RIP: 0010:netdev_queue_get_dma_dev+0x53a/0x660 net/core/netdev_queues.c:43
Code: 89 c5 89 c6 e8 d7 d3 6a f8 45 85 ed 0f 85 be fb ff ff e8 59 d9 6a f8 48 8d 3d 72 e6 92 07 ba 48 00 00 00 48 c7 c6 a0 6c 18 8d <67> 48 0f b9 3a e9 9c fb ff ff e8 37 d9 6a f8 48 8d bd 00 08 00 00
RSP: 0018:ffffc90026af7a68 EFLAGS: 00010287
RAX: 0000000000000272 RBX: ffff888056f08000 RCX: ffffc9000c402000
RDX: 0000000000000048 RSI: ffffffff8d186ca0 RDI: ffffffff9131be20
RBP: 0000000000000000 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000000000000 R11: 000000000000001e R12: 0000000000000000
R13: 0000000000000000 R14: ffff88806ac8a568 R15: ffffc90026af7bc8
 zcrx_register_netdev io_uring/zcrx.c:831 [inline]
 io_register_zcrx+0xe94/0x1d30 io_uring/zcrx.c:983
 __io_uring_register io_uring/register.c:942 [inline]
 __do_sys_io_uring_register+0x1193/0x1bc0 io_uring/register.c:1040
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline]
 __do_fast_syscall_32+0xe7/0x970 arch/x86/entry/syscall_32.c:307
 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f88fec
Code: Unable to access opcode bytes at 0xf7f88fc2.
RSP: 002b:00000000f544650c EFLAGS: 00000292 ORIG_RAX: 00000000000001ab
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000000020
RDX: 0000000080000100 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000292 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..
----------------
Code disassembly (best guess):
   0:	89 c5                	mov    %eax,%ebp
   2:	89 c6                	mov    %eax,%esi
   4:	e8 d7 d3 6a f8       	call   0xf86ad3e0
   9:	45 85 ed             	test   %r13d,%r13d
   c:	0f 85 be fb ff ff    	jne    0xfffffbd0
  12:	e8 59 d9 6a f8       	call   0xf86ad970
  17:	48 8d 3d 72 e6 92 07 	lea    0x792e672(%rip),%rdi        # 0x792e690
  1e:	ba 48 00 00 00       	mov    $0x48,%edx
  23:	48 c7 c6 a0 6c 18 8d 	mov    $0xffffffff8d186ca0,%rsi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	e9 9c fb ff ff       	jmp    0xfffffbd0
  34:	e8 37 d9 6a f8       	call   0xf86ad970
  39:	48 8d bd 00 08 00 00 	lea    0x800(%rbp),%rdi