------------[ cut here ]------------
__lockdep_enabled && (this_cpu_read(hardirqs_enabled) && lockdep_is_held(&(leader)->ctx->mutex) != LOCK_STATE_HELD)
WARNING: kernel/events/core.c:2797 at perf_event_throttle_group+0x375/0x3d0 kernel/events/core.c:2797, CPU#1: syz.2.4930/25826
Modules linked in:
CPU: 1 UID: 0 PID: 25826 Comm: syz.2.4930 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:perf_event_throttle_group+0x375/0x3d0 kernel/events/core.c:2797
Code: 69 34 00 e9 ec fe ff ff e8 b8 46 ca ff eb 05 e8 b1 46 ca ff 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 9c 46 ca ff 90 <0f> 0b 90 e9 54 fe ff ff 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c c9
RSP: 0018:ffffc90000a07bd0 EFLAGS: 00010246
RAX: ffffffff81fb45f4 RBX: ffff88803ef43ed0 RCX: ffff8880307bbc80
RDX: 0000000000000100 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000000 R08: ffffc90000a07837 R09: 0000000000000000
R10: fffff52000140f20 R11: fffff52000140f07 R12: ffff88803ef440f0
R13: dffffc0000000000 R14: ffff88803ef44110 R15: ffffffff8e824c18
FS: 00007f613460b6c0(0000) GS:ffff888125566000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7b6cc35be8 CR3: 000000009c826000 CR4: 00000000003526f0
DR0: 0000200000000300 DR1: 0000200000000300 DR2: 0000200000000300
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
__perf_event_account_interrupt+0x23c/0x250 kernel/events/core.c:10550
__perf_event_overflow+0x105/0xec0 kernel/events/core.c:10697
perf_swevent_overflow kernel/events/core.c:10837 [inline]
perf_swevent_event+0x594/0x650 kernel/events/core.c:10875
perf_tp_event+0x571/0x29b0 kernel/events/core.c:11382
perf_trace_run_bpf_submit+0xee/0x170 kernel/events/core.c:11306
do_perf_trace_lock include/trace/events/lock.h:50 [inline]
perf_trace_lock+0x32d/0x410 include/trace/events/lock.h:50
__do_trace_lock_release include/trace/events/lock.h:69 [inline]
trace_lock_release include/trace/events/lock.h:69 [inline]
lock_release+0x392/0x3d0 kernel/locking/lockdep.c:5879
rcu_lock_release include/linux/rcupdate.h:322 [inline]
rcu_read_unlock include/linux/rcupdate.h:881 [inline]
class_rcu_destructor include/linux/rcupdate.h:1193 [inline]
unwind_next_frame+0x1aaa/0x23c0 arch/x86/kernel/unwind_orc.c:695
arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:57 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
poison_kmalloc_redzone mm/kasan/common.c:398 [inline]
__kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:415
kasan_kmalloc include/linux/kasan.h:263 [inline]
__do_kmalloc_node mm/slub.c:5219 [inline]
__kmalloc_noprof+0x35c/0x760 mm/slub.c:5231
kmalloc_noprof include/linux/slab.h:966 [inline]
kzalloc_noprof include/linux/slab.h:1204 [inline]
neigh_alloc net/core/neighbour.c:521 [inline]
___neigh_create+0x6d5/0x2280 net/core/neighbour.c:655
ip6_finish_output2+0x729/0x13e0 net/ipv6/ip6_output.c:128
NF_HOOK_COND include/linux/netfilter.h:307 [inline]
ip6_output+0x340/0x550 net/ipv6/ip6_output.c:246
NF_HOOK include/linux/netfilter.h:318 [inline]
ndisc_send_skb+0xbaa/0x14e0 net/ipv6/ndisc.c:512
addrconf_rs_timer+0x395/0x6d0 net/ipv6/addrconf.c:4042
call_timer_fn+0x192/0x640 kernel/time/timer.c:1748
expire_timers kernel/time/timer.c:1799 [inline]
__run_timers kernel/time/timer.c:2373 [inline]
__run_timer_base+0x652/0x8b0 kernel/time/timer.c:2385
run_timer_base kernel/time/timer.c:2394 [inline]
run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2404
handle_softirqs+0x22a/0x870 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0x5f/0x150 kernel/softirq.c:723
irq_exit_rcu+0x9/0x30 kernel/softirq.c:739
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline]
sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1056
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:__schedule+0x158d/0x5340 kernel/sched/core.c:6864
Code: d8 48 c1 e8 03 42 80 3c 30 00 74 08 48 89 df e8 09 b0 81 f6 4c 89 2b 4c 89 e7 4c 89 ee e8 3b 52 85 f5 48 89 c7 e8 a3 ee e6 f5 <31> ff 4d 39 ec 40 0f 95 c7 e8 c5 f7 e6 f5 48 8b 84 24 d8 00 00 00
RSP: 0018:ffffc90004cb7480 EFLAGS: 00000206
RAX: 0000000000003617 RBX: ffff8880b873adc8 RCX: 0000000080000001
RDX: 0000000000000000 RSI: ffffffff8def196a RDI: ffffffff8c27a480
RBP: ffffc90004cb7678 R08: ffffffff901172b7 R09: 1ffffffff2022e56
R10: dffffc0000000000 R11: fffffbfff2022e57 R12: ffff8880307bbc80
R13: ffff8880307bbc80 R14: dffffc0000000000 R15: 1ffff110170e75b3
preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:7091
preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12
__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:179 [inline]
_raw_spin_unlock_irqrestore+0x74/0x80 kernel/locking/spinlock.c:194
rcu_preempt_deferred_qs_irqrestore+0x7b9/0xbc0 kernel/rcu/tree_plugin.h:-1
__rcu_read_unlock+0x83/0xe0 kernel/rcu/tree_plugin.h:438
rcu_read_unlock include/linux/rcupdate.h:883 [inline]
class_rcu_destructor include/linux/rcupdate.h:1193 [inline]
unwind_next_frame+0x1aaf/0x23c0 arch/x86/kernel/unwind_orc.c:695
arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:57 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
poison_kmalloc_redzone mm/kasan/common.c:398 [inline]
__kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:415
kasan_kmalloc include/linux/kasan.h:263 [inline]
__do_kmalloc_node mm/slub.c:5219 [inline]
__kmalloc_noprof+0x35c/0x760 mm/slub.c:5231
kmalloc_noprof include/linux/slab.h:966 [inline]
kzalloc_noprof include/linux/slab.h:1204 [inline]
lsm_blob_alloc security/security.c:192 [inline]
lsm_sock_alloc security/security.c:4375 [inline]
security_sk_alloc+0x52/0x360 security/security.c:4391
sk_prot_alloc+0x101/0x210 net/core/sock.c:2248
sk_alloc+0x3a/0x390 net/core/sock.c:2301
inet6_create+0x7f0/0x1260 net/ipv6/af_inet6.c:193
__sock_create+0x4b2/0x9d0 net/socket.c:1605
sock_create net/socket.c:1663 [inline]
__sys_socket_create net/socket.c:1700 [inline]
__sys_socket+0xd6/0x1b0 net/socket.c:1747
__do_sys_socket net/socket.c:1761 [inline]
__se_sys_socket net/socket.c:1759 [inline]
__x64_sys_socket+0x7a/0x90 net/socket.c:1759
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f613379c629
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:00007f613460b028 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007f6133a15fa0 RCX: 00007f613379c629
RDX: 0000000000000073 RSI: 0000000000000002 RDI: 000000000000000a
RBP: 00007f6133832b39 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6133a16038 R14: 00007f6133a15fa0 R15: 00007ffe2c3793b8
----------------
Code disassembly (best guess):
0: d8 48 c1 fmuls -0x3f(%rax)
3: e8 03 42 80 3c call 0x3c80420b
8: 30 00 xor %al,(%rax)
a: 74 08 je 0x14
c: 48 89 df mov %rbx,%rdi
f: e8 09 b0 81 f6 call 0xf681b01d
14: 4c 89 2b mov %r13,(%rbx)
17: 4c 89 e7 mov %r12,%rdi
1a: 4c 89 ee mov %r13,%rsi
1d: e8 3b 52 85 f5 call 0xf585525d
22: 48 89 c7 mov %rax,%rdi
25: e8 a3 ee e6 f5 call 0xf5e6eecd
* 2a: 31 ff xor %edi,%edi <-- trapping instruction
2c: 4d 39 ec cmp %r13,%r12
2f: 40 0f 95 c7 setne %dil
33: e8 c5 f7 e6 f5 call 0xf5e6f7fd
38: 48 8b 84 24 d8 00 00 mov 0xd8(%rsp),%rax
3f: 00