rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 1-....: (10499 ticks this GP) idle=b5cc/1/0x4000000000000000 softirq=123243/123243 fqs=5249
rcu: hardirqs softirqs csw/system
rcu: number: 1358653 0 0
rcu: cputime: 16798 35681 65 ==> 52500(ms)
rcu: (t=10502 jiffies g=190789 q=881 ncpus=2)
CPU: 1 PID: 25580 Comm: syz.0.6486 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:unwind_next_frame+0xe68/0x2990 arch/x86/kernel/unwind_orc.c:-1
Code: fe b7 4b 00 49 83 fe 04 0f 84 cb 01 00 00 41 83 fe 03 0f 84 e3 00 00 00 41 83 fe 02 0f 85 8e 02 00 00 48 89 9c 24 80 00 00 00 <4c> 89 64 24 38 49 8d 7d 08 48 89 f8 48 c1 e8 03 48 89 44 24 70 42
RSP: 0018:ffffc900001f02f8 EFLAGS: 00000246
RAX: 0000000000000003 RBX: ffffffff8f195721 RCX: 0000000000000003
RDX: ffffffff813b3212 RSI: ffffffff8cfa0610 RDI: 0000000000000002
RBP: ffffc900001f0818 R08: ffff88805cc20000 R09: 0000000000000003
R10: 0000000000000004 R11: 0000000000000100 R12: ffffffff8f195720
R13: ffffc900001f03c8 R14: 0000000000000002 R15: dffffc0000000000
FS: 00007ff97aad16c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32d23ffc CR3: 0000000025538000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000200000000300
DR3: 0000200000000300 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
arch_stack_walk+0x144/0x190 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0xaa/0x100 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:46 [inline]
kasan_set_track+0x4e/0x70 mm/kasan/common.c:53
kasan_save_free_info+0x28/0x40 mm/kasan/generic.c:522
____kasan_slab_free+0x126/0x1f0 mm/kasan/common.c:237
kasan_slab_free include/linux/kasan.h:164 [inline]
slab_free_hook mm/slub.c:1811 [inline]
slab_free_freelist_hook+0x130/0x1a0 mm/slub.c:1837
slab_free mm/slub.c:3830 [inline]
kmem_cache_free+0xf8/0x290 mm/slub.c:3852
inet_bind2_bucket_destroy net/ipv4/inet_hashtables.c:144 [inline]
__inet_put_port net/ipv4/inet_hashtables.c:206 [inline]
inet_put_port+0x688/0x780 net/ipv4/inet_hashtables.c:216
tcp_set_state+0x500/0x6c0 net/ipv4/tcp.c:2681
tcp_done+0x107/0x330 net/ipv4/tcp.c:4597
tcp_done_with_error+0x4b/0xc0 net/ipv4/tcp_input.c:4447
tcp_write_err net/ipv4/tcp_timer.c:72 [inline]
tcp_write_timeout net/ipv4/tcp_timer.c:281 [inline]
tcp_retransmit_timer+0x1c94/0x3030 net/ipv4/tcp_timer.c:576
tcp_write_timer+0x12a/0x280 net/ipv4/tcp_timer.c:709
call_timer_fn+0x189/0x540 kernel/time/timer.c:1701
expire_timers kernel/time/timer.c:1752 [inline]
__run_timers+0x570/0x810 kernel/time/timer.c:2023
run_timer_softirq+0x67/0xf0 kernel/time/timer.c:2036
handle_softirqs+0x27d/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+0x477/0x4e0 kernel/smp.c:418
Code: 75 11 e8 2c 00 0b 00 48 85 db 75 16 e8 22 00 0b 00 eb 15 e8 1b 00 0b 00 e8 06 f3 07 09 48 85 db 74 ea e8 0c 00 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:ffffc9000c66fa00 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000200 RCX: 0000000000080000
RDX: ffffc9000cfbf000 RSI: 0000000000005579 RDI: 000000000000557a
RBP: ffffc9000c66fad0 R08: ffffffff911bc5ff R09: 1ffffffff22378bf
R10: dffffc0000000000 R11: fffffbfff22378c0 R12: 1ffff920018cdf44
R13: dffffc0000000000 R14: 0000000000000000 R15: 1ffff920018cdf65
smp_call_function_single+0x36d/0x5a0 kernel/smp.c:647
task_function_call kernel/events/core.c:120 [inline]
perf_install_in_context+0x5bb/0x920 kernel/events/core.c:2951
__do_sys_perf_event_open kernel/events/core.c:12949 [inline]
__se_sys_perf_event_open+0x1841/0x1c60 kernel/events/core.c:12601
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: 0033:0x7ff979b9ce59
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:00007ff97aad1028 EFLAGS: 00000246 ORIG_RAX: 000000000000012a
RAX: ffffffffffffffda RBX: 00007ff979e15fa0 RCX: 00007ff979b9ce59
RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000200000000140
RBP: 00007ff979c32e6f R08: 0000000000000002 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff979e16038 R14: 00007ff979e15fa0 R15: 00007ffeed7049e8