IPVS: ovf: UDP 224.0.0.2:0 - no destination available
IPVS: ovf: UDP 224.0.0.2:0 - no destination available
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NETDEV WATCHDOG: wwan0 (cdc_mbim): transmit queue 0 timed out
WARNING: CPU: 0 PID: 7743 at net/sched/sch_generic.c:481 dev_watchdog+0x8d3/0xab0 net/sched/sch_generic.c:480
Modules linked in:
CPU: 0 PID: 7743 Comm: syz.3.865 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
RIP: 0010:dev_watchdog+0x8d3/0xab0 net/sched/sch_generic.c:480
Code: f9 c6 05 2b 15 75 05 01 4c 8b 74 24 28 4c 89 f7 e8 32 f7 e3 ff 48 c7 c7 00 29 22 8b 4c 89 f6 48 89 c2 44 89 e1 e8 1d 08 b0 01 <0f> 0b e9 31 fe ff ff e8 f1 00 78 f9 0f 0b e9 13 fe ff ff 44 89 e1
RSP: 0018:ffffc90000007b08 EFLAGS: 00010246
RAX: 0e0e70ed7c5f9400 RBX: dffffc0000000000 RCX: ffff8880215d5940
RDX: 0000000000000100 RSI: 0000000080000101 RDI: 0000000000000000
RBP: ffff888075c18068 R08: ffffc90000007627 R09: 1ffff92000000ec4
R10: dffffc0000000000 R11: fffff52000000ec5 R12: 0000000000000000
R13: ffff88805c2a4540 R14: ffff88805c2a4000 R15: dffffc0000000000
FS:  00007f22aa6ec6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f22aa6ebff8 CR3: 000000002306a000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 call_timer_fn+0x17b/0x540 kernel/time/timer.c:1648
 expire_timers kernel/time/timer.c:1699 [inline]
 __run_timers+0x53e/0x800 kernel/time/timer.c:1970
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1983
 handle_softirqs+0x339/0x830 kernel/softirq.c:576
 __do_softirq kernel/softirq.c:610 [inline]
 invoke_softirq kernel/softirq.c:450 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:659
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:671
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:___might_sleep+0x1c/0x610 kernel/sched/core.c:9617
Code: ff ff 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec e0 00 00 00 89 54 24 2c <89> 74 24 14 48 89 7c 24 20 65 48 8b 04 25 28 00 00 00 48 89 84 24
RSP: 0018:ffffc90003fbfb80 EFLAGS: 00000282
RAX: ffffffff87da4ca7 RBX: 0000000000000000 RCX: ffff8880215d5940
RDX: 0000000000000000 RSI: 0000000000000b12 RDI: ffffffff8b1e5380
RBP: ffffc90003fbfc90 R08: ffffffff8d89db2f R09: 1ffffffff1b13b65
R10: dffffc0000000000 R11: fffffbfff1b13b66 R12: 1ffff920007f7fa0
R13: 00000000000004e9 R14: 00002000000000c0 R15: dffffc0000000000
 do_recvmmsg+0x56f/0x850 net/socket.c:2834
 __sys_recvmmsg net/socket.c:2879 [inline]
 __do_sys_recvmmsg net/socket.c:2902 [inline]
 __se_sys_recvmmsg net/socket.c:2895 [inline]
 __x64_sys_recvmmsg+0x195/0x250 net/socket.c:2895
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f22ac4b2f79
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f22aa6ec028 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f22ac72d090 RCX: 00007f22ac4b2f79
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000003
RBP: 00007f22ac5497e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f22ac72d128 R14: 00007f22ac72d090 R15: 00007fff972b8538
 </TASK>
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	ff 66 2e             	jmp    *0x2e(%rsi)
   3:	0f 1f 84 00 00 00 00 	nopl   0x0(%rax,%rax,1)
   a:	00
   b:	66 90                	xchg   %ax,%ax
   d:	55                   	push   %rbp
   e:	48 89 e5             	mov    %rsp,%rbp
  11:	41 57                	push   %r15
  13:	41 56                	push   %r14
  15:	41 55                	push   %r13
  17:	41 54                	push   %r12
  19:	53                   	push   %rbx
  1a:	48 83 e4 e0          	and    $0xffffffffffffffe0,%rsp
  1e:	48 81 ec e0 00 00 00 	sub    $0xe0,%rsp
  25:	89 54 24 2c          	mov    %edx,0x2c(%rsp)
* 29:	89 74 24 14          	mov    %esi,0x14(%rsp) <-- trapping instruction
  2d:	48 89 7c 24 20       	mov    %rdi,0x20(%rsp)
  32:	65 48 8b 04 25 28 00 	mov    %gs:0x28,%rax
  39:	00 00
  3b:	48                   	rex.W
  3c:	89                   	.byte 0x89
  3d:	84                   	.byte 0x84
  3e:	24                   	.byte 0x24