rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 0-....: (10486 ticks this GP) idle=89fc/1/0x4000000000000000 softirq=16276/16276 fqs=5156
rcu: hardirqs softirqs csw/system
rcu: number: 1215694 0 0
rcu: cputime: 19242 33246 74 ==> 52500(ms)
rcu: (t=10501 jiffies g=17549 q=2504 ncpus=2)
CPU: 0 PID: 6878 Comm: syz.2.330 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:seqcount_lockdep_reader_access+0x19a/0x1d0 include/linux/seqlock.h:105
Code: 00 4d 85 e4 75 16 e8 85 c8 0f 00 eb 15 e8 7e c8 0f 00 e8 09 b8 10 09 4d 85 e4 74 ea e8 6f c8 0f 00 fb 48 c7 04 24 0e 36 e0 45 <4b> c7 04 3e 00 00 00 00 43 c7 44 3e 08 00 00 00 00 65 48 8b 04 25
RSP: 0018:ffffc900000073e0 EFLAGS: 00000246
RAX: ffffffff81776381 RBX: 0000000000000000 RCX: ffff88805c9e8000
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000007498 R08: ffffffff911cc5ef R09: 1ffffffff22398bd
R10: dffffc0000000000 R11: fffffbfff22398be R12: 0000000000000200
R13: 1ffff92000000ea4 R14: 1ffff92000000e7c R15: dffffc0000000000
FS: 00007fe604ba46c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f91fc1456b8 CR3: 0000000060ed5000 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+0x344/0x4e0 net/core/dev.c:5153
__netif_rx+0x78/0xc0 net/core/dev.c:5196
veth_forward_skb drivers/net/veth.c:325 [inline]
veth_xmit+0x550/0x9f0 drivers/net/veth.c:378
__netdev_start_xmit include/linux/netdevice.h:4943 [inline]
netdev_start_xmit include/linux/netdevice.h:4957 [inline]
xmit_one net/core/dev.c:3644 [inline]
dev_hard_start_xmit+0x246/0x740 net/core/dev.c:3660
__dev_queue_xmit+0x19a3/0x3660 net/core/dev.c:4454
dev_queue_xmit include/linux/netdevice.h:3113 [inline]
hsr_xmit net/hsr/hsr_forward.c:382 [inline]
hsr_forward_do net/hsr/hsr_forward.c:473 [inline]
hsr_forward_skb+0x1335/0x2140 net/hsr/hsr_forward.c:626
send_hsr_supervision_frame+0x5fb/0xb90 net/hsr/hsr_device.c:346
hsr_announce+0x198/0x350 net/hsr/hsr_device.c:402
call_timer_fn+0x189/0x540 kernel/time/timer.c:1701
expire_timers kernel/time/timer.c:1752 [inline]
__run_timers+0x542/0x800 kernel/time/timer.c:2023
run_timer_softirq+0x67/0xf0 kernel/time/timer.c:2036
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+0xd3/0x190 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:generic_exec_single+0x481/0x4f0 kernel/smp.c:418
Code: 75 11 e8 c2 06 0b 00 48 85 db 75 16 e8 b8 06 0b 00 eb 15 e8 b1 06 0b 00 e8 3c f6 0b 09 48 85 db 74 ea e8 a2 06 0b 00 fb 31 c0 <48> c7 44 24 20 0e 36 e0 45 4b c7 04 2c 00 00 00 00 43 c7 44 2c 08
RSP: 0018:ffffc90004ce7a00 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000080000
RDX: ffffc9000d23a000 RSI: 0000000000004759 RDI: 000000000000475a
RBP: ffffc90004ce7ad0 R08: ffffffff911cc5ff R09: 1ffffffff22398bf
R10: dffffc0000000000 R11: fffffbfff22398c0 R12: 1ffff9200099cf44
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff9200099cf65
smp_call_function_single+0x36d/0x5a0 kernel/smp.c:647
task_function_call kernel/events/core.c:120 [inline]
perf_install_in_context+0x5be/0x920 kernel/events/core.c:2959
__do_sys_perf_event_open kernel/events/core.c:12957 [inline]
__se_sys_perf_event_open+0x1836/0x1c50 kernel/events/core.c:12609
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fe603d9ce59
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:00007fe604ba4028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007fe604015fa0 RCX: 00007fe603d9ce59
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 00002000000008c0
RBP: 00007fe603e32d6f R08: 0000000000000002 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe604016038 R14: 00007fe604015fa0 R15: 00007ffe0ca238c8