rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 0-....: (1 GPs behind) idle=b9e4/1/0x4000000000000000 softirq=127565/127567 fqs=4295
rcu: hardirqs softirqs csw/system
rcu: number: 1047539 0 0
rcu: cputime: 12743 39736 58 ==> 52480(ms)
rcu: (t=10500 jiffies g=148269 q=1002 ncpus=2)
CPU: 0 PID: 24930 Comm: syz.2.4988 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:seqcount_lockdep_reader_access+0x17f/0x1c0 include/linux/seqlock.h:105
Code: 00 4d 85 e4 75 16 e8 50 90 0f 00 eb 15 e8 49 90 0f 00 e8 74 2d f9 08 4d 85 e4 74 ea e8 3a 90 0f 00 fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 3e 00 00 00 00 66 43 c7 44 3e 09 00 00 43 c6 44 3e 0b 00
RSP: 0018:ffffc900000073e0 EFLAGS: 00000246
RAX: ffffffff81761046 RBX: 0000000000000000 RCX: ffff888028c98000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000007498 R08: ffffffff90da95ef R09: 1ffffffff21b52bd
R10: dffffc0000000000 R11: fffffbfff21b52be R12: 0000000000000200
R13: 000001fb63109b96 R14: 1ffff92000000e7c R15: dffffc0000000000
FS: 00007f39d0dd56c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000005c902000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
ktime_get_with_offset+0x94/0x330 kernel/time/timekeeping.c:889
ktime_get_real include/linux/timekeeping.h:79 [inline]
netif_rx_internal+0x34a/0x4e0 net/core/dev.c:5115
__netif_rx+0x78/0xc0 net/core/dev.c:5158
veth_forward_skb drivers/net/veth.c:321 [inline]
veth_xmit+0x550/0x9f0 drivers/net/veth.c:374
__netdev_start_xmit include/linux/netdevice.h:4943 [inline]
netdev_start_xmit include/linux/netdevice.h:4957 [inline]
xmit_one net/core/dev.c:3619 [inline]
dev_hard_start_xmit+0x246/0x740 net/core/dev.c:3635
__dev_queue_xmit+0x1a64/0x35a0 net/core/dev.c:4425
dev_queue_xmit include/linux/netdevice.h:3113 [inline]
hsr_xmit net/hsr/hsr_forward.c:380 [inline]
hsr_forward_do net/hsr/hsr_forward.c:471 [inline]
hsr_forward_skb+0x1317/0x2120 net/hsr/hsr_forward.c:624
send_hsr_supervision_frame+0x5fb/0xb90 net/hsr/hsr_device.c:346
hsr_announce+0x192/0x340 net/hsr/hsr_device.c:402
call_timer_fn+0x16e/0x530 kernel/time/timer.c:1700
expire_timers kernel/time/timer.c:1751 [inline]
__run_timers+0x52d/0x7d0 kernel/time/timer.c:2022
run_timer_softirq+0x67/0xf0 kernel/time/timer.c:2035
handle_softirqs+0x280/0x820 kernel/softirq.c:578
__do_softirq kernel/softirq.c:612 [inline]
invoke_softirq kernel/softirq.c:452 [inline]
__irq_exit_rcu+0xc7/0x190 kernel/softirq.c:661
irq_exit_rcu+0x9/0x20 kernel/softirq.c:673
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1088
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:finish_task_switch+0x26a/0x920 kernel/sched/core.c:5254
Code: 0f 84 37 01 00 00 48 85 db 0f 85 56 01 00 00 0f 1f 44 00 00 4c 8b 75 d0 4c 89 e7 e8 a0 87 1c 09 e8 0b a4 2f 00 fb 4c 8b 65 c0 <49> 8d bc 24 f8 15 00 00 48 89 f8 48 c1 e8 03 42 0f b6 04 28 84 c0
RSP: 0018:ffffc900101ef898 EFLAGS: 00000282
RAX: 4a5e6e95484cc200 RBX: 0000000000000000 RCX: 4a5e6e95484cc200
RDX: dffffc0000000000 RSI: ffffffff8aaabce0 RDI: ffffffff8afc6f40
RBP: ffffc900101ef8f0 R08: ffffffff8e4a8e2f R09: 1ffffffff1c951c5
R10: dffffc0000000000 R11: fffffbfff1c951c6 R12: ffff888028c98000
R13: dffffc0000000000 R14: ffff888024423c00 R15: ffff8880b8e3cac8
context_switch kernel/sched/core.c:5383 [inline]
__schedule+0x14da/0x44d0 kernel/sched/core.c:6699
schedule+0xbd/0x170 kernel/sched/core.c:6773
futex_wait_queue+0x138/0x1b0 kernel/futex/waitwake.c:355
futex_wait+0x19f/0x530 kernel/futex/waitwake.c:656
do_futex+0x2ff/0x3e0 kernel/futex/syscalls.c:134
__do_sys_futex kernel/futex/syscalls.c:211 [inline]
__se_sys_futex+0x36f/0x3f0 kernel/futex/syscalls.c:192
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f39d2b8f749
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:00007f39d0dd50e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007f39d2de6098 RCX: 00007f39d2b8f749
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f39d2de6098
RBP: 00007f39d2de6090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f39d2de6128 R14: 00007ffe9acf3ae0 R15: 00007ffe9acf3bc8