rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { P3707 1-.... } 3714 jiffies s: 12977 root: 0x2/T
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4461 Comm: syz.0.63 Not tainted 6.1.101-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024
RIP: 0010:strlen+0x31/0x60 lib/string.c:495
Code: 49 89 fe 48 c7 c0 ff ff ff ff 49 bf 00 00 00 00 00 fc ff df 48 89 fb 49 89 c4 48 89 d8 48 c1 e8 03 42 0f b6 04 38 84 c0 75 12 <48> ff c3 49 8d 44 24 01 43 80 7c 26 01 00 75 dd eb 13 89 d9 80 e1
RSP: 0018:ffffc900001dfdf8 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffffffff8b0df204 RCX: 00000000001dfe03
RDX: ffffffff817a1331 RSI: ffffffff8d343e88 RDI: ffffffff8b0df200
RBP: ffffc900001dff30 R08: dffffc0000000000 R09: fffffbfff1d3379e
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000003
R13: ffffffff817a1331 R14: ffffffff8b0df200 R15: dffffc0000000000
FS:  00007f91d39ee6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3370dff8 CR3: 0000000058293000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 trace_event_get_offsets_lock include/trace/events/lock.h:50 [inline]
 perf_trace_lock+0x10c/0x440 include/trace/events/lock.h:50
 trace_lock_release include/trace/events/lock.h:69 [inline]
 lock_release+0x995/0xa20 kernel/locking/lockdep.c:5673
 seqcount_lockdep_reader_access+0x10b/0x220 include/linux/seqlock.h:101
 ktime_get+0x31/0x270 kernel/time/timekeeping.c:846
 clockevents_program_event+0xe1/0x310 kernel/time/clockevents.c:326
 hrtimer_interrupt+0x546/0x980 kernel/time/hrtimer.c:1825
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1095 [inline]
 __sysvec_apic_timer_interrupt+0x156/0x580 arch/x86/kernel/apic/apic.c:1112
 sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1106
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:deref_stack_reg+0x13/0x210 arch/x86/kernel/unwind_orc.c:356
Code: e1 07 38 c1 0f 8c f1 f7 ff ff 48 89 df e8 15 5d a5 00 e9 e4 f7 ff ff 55 41 57 41 56 41 55 41 54 53 48 83 ec 20 48 89 54 24 18 <49> 89 f0 49 89 fe 48 ba 00 00 00 00 00 fc ff df 48 8d 6f 08 49 89
RSP: 0018:ffffc900001e03c8 EFLAGS: 00000282
RAX: fffffffffffffff0 RBX: ffffffff8faba794 RCX: 0000000000000000
RDX: ffffc900001e0540 RSI: ffffc90003bdf6e0 RDI: ffffc900001e0500
RBP: dffffc0000000000 R08: dffffc0000000000 R09: ffffc900001e0550
R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc900001e0500
R13: ffffffff8faba796 R14: ffffffff8faba795 R15: ffffc900001e0550
 unwind_next_frame+0x18db/0x2220
 arch_stack_walk+0x10d/0x140 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x113/0x1c0 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:45 [inline]
 kasan_set_track+0x4b/0x70 mm/kasan/common.c:52
 __kasan_slab_alloc+0x65/0x70 mm/kasan/common.c:328
 kasan_slab_alloc include/linux/kasan.h:201 [inline]
 slab_post_alloc_hook+0x52/0x3a0 mm/slab.h:737
 slab_alloc_node mm/slub.c:3398 [inline]
 kmem_cache_alloc_node+0x136/0x310 mm/slub.c:3443
 __alloc_skb+0xde/0x670 net/core/skbuff.c:505
 alloc_skb include/linux/skbuff.h:1271 [inline]
 ndisc_alloc_skb+0xee/0x2c0 net/ipv6/ndisc.c:422
 ndisc_send_rs+0x269/0x6a0 net/ipv6/ndisc.c:703
 addrconf_rs_timer+0x357/0x610 net/ipv6/addrconf.c:3962
 call_timer_fn+0x1ad/0x6b0 kernel/time/timer.c:1504
 expire_timers kernel/time/timer.c:1549 [inline]
 __run_timers+0x67c/0x890 kernel/time/timer.c:1820
 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1833
 handle_softirqs+0x2ee/0xa40 kernel/softirq.c:571
 __do_softirq kernel/softirq.c:605 [inline]
 invoke_softirq kernel/softirq.c:445 [inline]
 __irq_exit_rcu+0x157/0x240 kernel/softirq.c:654
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:666
 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:preempt_schedule_irq+0xf2/0x1c0 kernel/sched/core.c:6873
Code: 89 f5 49 c1 ed 03 eb 0d 48 f7 03 08 00 00 00 0f 84 97 00 00 00 bf 01 00 00 00 e8 f9 e1 b0 f6 e8 a4 de e3 f6 fb bf 01 00 00 00 <e8> 79 b4 ff ff 43 80 7c 3d 00 00 74 08 4c 89 f7 e8 39 a4 34 f7 48
RSP: 0018:ffffc90003bdf620 EFLAGS: 00000282
RAX: aa08ae87c9887b00 RBX: 1ffff9200077becc RCX: ffffffff816ad9fa
RDX: dffffc0000000000 RSI: ffffffff8b0c0240 RDI: 0000000000000001
RBP: ffffc90003bdf6e0 R08: dffffc0000000000 R09: fffffbfff20e724b
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff9200077bec4
R13: 1ffff9200077bec8 R14: ffffc90003bdf640 R15: dffffc0000000000
 irqentry_exit+0x53/0x80 kernel/entry/common.c:439
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:check_kcov_mode kernel/kcov.c:175 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x2c/0x60 kernel/kcov.c:207
Code: 04 24 65 48 8b 0d a4 d3 77 7e 65 8b 15 a5 d3 77 7e f7 c2 00 01 ff 00 74 11 f7 c2 00 01 00 00 74 35 83 b9 1c 16 00 00 00 74 2c <8b> 91 f8 15 00 00 83 fa 02 75 21 48 8b 91 00 16 00 00 48 8b 32 48
RSP: 0018:ffffc90003bdf7a8 EFLAGS: 00000246
RAX: ffffffff8a9b2153 RBX: ffffc90003bdf8a0 RCX: ffff888023371dc0
RDX: 0000000080000000 RSI: ffffffffffffffff RDI: ffffc90003bdf8a0
RBP: ffffc90003bdf950 R08: ffffffff8a9b02f3 R09: ffffffff8a9afe22
R10: 0000000000000003 R11: ffff888023371dc0 R12: ffffffffffffffff
R13: dffffc0000000000 R14: dffffc0000000000 R15: ffffc90003bdf8a0
 mas_find+0x23/0x240 lib/maple_tree.c:6083
 vma_find include/linux/mm.h:675 [inline]
 vma_next include/linux/mm.h:684 [inline]
 acct_collect+0x231/0x7f0 kernel/acct.c:565
 do_exit+0x984/0x26a0 kernel/exit.c:850
 do_group_exit+0x202/0x2b0 kernel/exit.c:1021
 get_signal+0x16f7/0x17d0 kernel/signal.c:2862
 arch_do_signal_or_restart+0xb0/0x1a10 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x6a/0x100 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x60/0x270 kernel/entry/common.c:303
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:87
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f91d2b77299
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:00007f91d39ee0f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f91d2d05f88 RCX: 00007f91d2b77299
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f91d2d05f88
RBP: 00007f91d2d05f80 R08: 00007f91d39ee6c0 R09: 00007f91d39ee6c0
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f91d2d05f8c
R13: 000000000000000b R14: 00007ffc1da7a960 R15: 00007ffc1da7aa48
 </TASK>