------------[ cut here ]------------
WARNING: CPU: 0 PID: 13783 at kernel/workqueue.c:2257 __queue_work+0xcd3/0xf50 kernel/workqueue.c:2256
Modules linked in:
CPU: 0 UID: 0 PID: 13783 Comm: syz.1.2639 Not tainted 6.13.0-rc2-syzkaller-00457-gd3c9510dc900 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
RIP: 0010:__queue_work+0xcd3/0xf50 kernel/workqueue.c:2256
Code: ff e8 71 e8 37 00 90 0f 0b 90 e9 b2 fe ff ff e8 63 e8 37 00 eb 13 e8 5c e8 37 00 eb 0c e8 55 e8 37 00 eb 05 e8 4e e8 37 00 90 <0f> 0b 90 48 83 c4 60 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc
RSP: 0018:ffffc90000007b08 EFLAGS: 00010046
RAX: ffffffff816775dd RBX: 0000000000000100 RCX: ffff8880560e0000
RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000
RBP: 0000000000010000 R08: ffffffff81676a08 R09: 1ffffffff203419e
R10: dffffc0000000000 R11: ffffffff81677e10 R12: ffff88807a33c800
R13: ffff88807a33c9c0 R14: dffffc0000000000 R15: 0000000000000008
FS:  00007fc09ad606c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020009038 CR3: 0000000011c36000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 call_timer_fn+0x187/0x650 kernel/time/timer.c:1793
 expire_timers kernel/time/timer.c:1839 [inline]
 __run_timers kernel/time/timer.c:2418 [inline]
 __run_timer_base+0x695/0x8e0 kernel/time/timer.c:2430
 run_timer_base kernel/time/timer.c:2439 [inline]
 run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2449
 handle_softirqs+0x2d4/0x9b0 kernel/softirq.c:561
 __do_softirq kernel/softirq.c:595 [inline]
 invoke_softirq kernel/softirq.c:435 [inline]
 __irq_exit_rcu+0xf7/0x220 kernel/softirq.c:662
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:678
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:stack_trace_save+0x107/0x1d0 kernel/stacktrace.c:122
Code: 8d 7e 0c ff c3 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 91 00 00 00 89 5c 24 4c 49 8d 5e 10 65 48 8b 14 25 00 d6 03 00 <48> c7 c7 50 24 8b 81 4c 89 f6 31 c9 e8 88 cd b6 ff 48 89 d8 48 c1
RSP: 0018:ffffc900034f7080 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffc900034f70d0 RCX: 94fe4e6ba6545000
RDX: ffff8880560e0000 RSI: 0000000000000010 RDI: ffffc900034f70cc
RBP: ffffc900034f7150 R08: ffffc900034f6eb0 R09: 0000000000000010
R10: dffffc0000000000 R11: fffffbfff203419f R12: ffffc900034f71a0
R13: dffffc0000000000 R14: ffffc900034f70c0 R15: 1ffff9200069ee14
 ref_tracker_alloc+0x188/0x490 lib/ref_tracker.c:209
 __netdev_tracker_alloc include/linux/netdevice.h:4183 [inline]
 netdev_hold include/linux/netdevice.h:4212 [inline]
 dst_init+0xee/0x490 net/core/dst.c:52
 dst_alloc+0x14f/0x190 net/core/dst.c:93
 rt_dst_alloc net/ipv4/route.c:1625 [inline]
 __mkroute_output net/ipv4/route.c:2618 [inline]
 ip_route_output_key_hash_rcu+0x13cc/0x2390 net/ipv4/route.c:2840
 ip_route_output_key_hash+0x193/0x2b0 net/ipv4/route.c:2669
 __ip_route_output_key include/net/route.h:141 [inline]
 ip_route_output_flow+0x29/0x140 net/ipv4/route.c:2897
 udp_sendmsg+0x1759/0x2a90 net/ipv4/udp.c:1396
 sock_sendmsg_nosec net/socket.c:711 [inline]
 __sock_sendmsg+0x1a6/0x270 net/socket.c:726
 ____sys_sendmsg+0x52a/0x7e0 net/socket.c:2594
 ___sys_sendmsg net/socket.c:2648 [inline]
 __sys_sendmmsg+0x36a/0x720 net/socket.c:2737
 __do_sys_sendmmsg net/socket.c:2764 [inline]
 __se_sys_sendmmsg net/socket.c:2761 [inline]
 __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2761
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc099f85d29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fc09ad60038 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007fc09a175fa0 RCX: 00007fc099f85d29
RDX: 000000000800001d RSI: 0000000020007fc0 RDI: 0000000000000006
RBP: 00007fc09a001a20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc09a175fa0 R15: 00007ffe90f60be8
 </TASK>
----------------
Code disassembly (best guess):
   0:	8d 7e 0c             	lea    0xc(%rsi),%edi
   3:	ff c3                	inc    %ebx
   5:	48 89 f8             	mov    %rdi,%rax
   8:	48 c1 e8 03          	shr    $0x3,%rax
   c:	42 0f b6 04 28       	movzbl (%rax,%r13,1),%eax
  11:	84 c0                	test   %al,%al
  13:	0f 85 91 00 00 00    	jne    0xaa
  19:	89 5c 24 4c          	mov    %ebx,0x4c(%rsp)
  1d:	49 8d 5e 10          	lea    0x10(%r14),%rbx
  21:	65 48 8b 14 25 00 d6 	mov    %gs:0x3d600,%rdx
  28:	03 00
* 2a:	48 c7 c7 50 24 8b 81 	mov    $0xffffffff818b2450,%rdi <-- trapping instruction
  31:	4c 89 f6             	mov    %r14,%rsi
  34:	31 c9                	xor    %ecx,%ecx
  36:	e8 88 cd b6 ff       	call   0xffb6cdc3
  3b:	48 89 d8             	mov    %rbx,%rax
  3e:	48                   	rex.W
  3f:	c1                   	.byte 0xc1