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NETDEV WATCHDOG: sl0 (): transmit queue 0 timed out
WARNING: CPU: 1 PID: 7060 at net/sched/sch_generic.c:478 dev_watchdog+0x8d3/0xab0 net/sched/sch_generic.c:477
Modules linked in:
CPU: 1 PID: 7060 Comm: syz.5.756 Not tainted 5.15.188-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:dev_watchdog+0x8d3/0xab0 net/sched/sch_generic.c:477
Code: f9 c6 05 68 66 61 05 01 4c 8b 74 24 28 4c 89 f7 e8 d2 42 e4 ff 48 c7 c7 c0 a1 01 8b 4c 89 f6 48 89 c2 44 89 e1 e8 2d 5d aa 01 <0f> 0b e9 31 fe ff ff e8 51 58 83 f9 0f 0b e9 13 fe ff ff 44 89 e1
RSP: 0018:ffffc90000dd0b08 EFLAGS: 00010246
RAX: c365189e4defde00 RBX: dffffc0000000000 RCX: ffff888079d40000
RDX: 0000000000000100 RSI: 0000000000000102 RDI: 0000000000000000
RBP: ffff88807cc15c68 R08: dffffc0000000000 R09: fffff520001ba0c5
R10: fffff520001ba0c5 R11: 1ffff920001ba0c4 R12: 0000000000000000
R13: ffff888075104540 R14: ffff888075104000 R15: dffffc0000000000
FS: 00007f2beb12c6c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000007f030 CR3: 000000005edfc000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
call_timer_fn+0x16c/0x530 kernel/time/timer.c:1451
expire_timers kernel/time/timer.c:1496 [inline]
__run_timers+0x525/0x7c0 kernel/time/timer.c:1767
run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1780
handle_softirqs+0x328/0x820 kernel/softirq.c:576
__do_softirq kernel/softirq.c:610 [inline]
invoke_softirq kernel/softirq.c:450 [inline]
__irq_exit_rcu+0x12f/0x220 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
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:__raw_read_unlock_irqrestore include/linux/rwlock_api_smp.h:236 [inline]
RIP: 0010:_raw_read_unlock_irqrestore+0xa5/0x100 kernel/locking/spinlock.c:268
Code: 74 05 e8 0e e1 ca f7 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f6 44 24 21 02 75 4b f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 d6 5f 9e f7 65 8b 05 77 5f 4f 76 85 c0 74 3c 48 c7 04 24 0e 36
RSP: 0018:ffffc90003fcf600 EFLAGS: 00000206
RAX: c365189e4defde00 RBX: 0000000000000a06 RCX: c365189e4defde00
RDX: dffffc0000000000 RSI: ffffffff8a0b15c0 RDI: 0000000000000001
RBP: ffffc90003fcf690 R08: dffffc0000000000 R09: ffffed100fd6a2b5
R10: ffffed100fd6a2b5 R11: 1ffff1100fd6a2b4 R12: dffffc0000000000
R13: ffff88807eb515a0 R14: ffff88807eb515a0 R15: 1ffff920007f9ec0
rds_next_incoming+0x137/0x190 net/rds/recv.c:415
rds_recvmsg+0x259/0x1d90 net/rds/recv.c:670
____sys_recvmsg+0x291/0x580 net/socket.c:-1
___sys_recvmsg+0x1af/0x4f0 net/socket.c:2697
do_recvmmsg+0x344/0x7a0 net/socket.c:2791
__sys_recvmmsg net/socket.c:2870 [inline]
__do_sys_recvmmsg net/socket.c:2893 [inline]
__se_sys_recvmmsg net/socket.c:2886 [inline]
__x64_sys_recvmmsg+0x18d/0x240 net/socket.c:2886
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: 0033:0x7f2bed2c4929
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:00007f2beb12c038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f2bed4ebfa0 RCX: 00007f2bed2c4929
RDX: 0000000004000210 RSI: 0000200000001740 RDI: 0000000000000003
RBP: 00007f2bed346b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f2bed4ebfa0 R15: 00007ffc686413d8
----------------
Code disassembly (best guess):
0: 74 05 je 0x7
2: e8 0e e1 ca f7 call 0xf7cae115
7: 48 c7 44 24 20 00 00 movq $0x0,0x20(%rsp)
e: 00 00
10: 9c pushf
11: 8f 44 24 20 pop 0x20(%rsp)
15: f6 44 24 21 02 testb $0x2,0x21(%rsp)
1a: 75 4b jne 0x67
1c: f7 c3 00 02 00 00 test $0x200,%ebx
22: 74 01 je 0x25
24: fb sti
25: bf 01 00 00 00 mov $0x1,%edi
* 2a: e8 d6 5f 9e f7 call 0xf79e6005 <-- trapping instruction
2f: 65 8b 05 77 5f 4f 76 mov %gs:0x764f5f77(%rip),%eax # 0x764f5fad
36: 85 c0 test %eax,%eax
38: 74 3c je 0x76
3a: 48 rex.W
3b: c7 .byte 0xc7
3c: 04 24 add $0x24,%al
3e: 0e (bad)
3f: 36 ss