rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2754 jiffies s: 9869 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4807 Comm: syz.4.271 Not tainted 6.1.112-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:__lock_acquire+0x419/0x1f80 kernel/locking/lockdep.c:4991
Code: 09 c3 c1 e3 0d 44 09 fb 8b 44 24 50 c1 e0 0f 0f b7 c0 09 d8 8b 7c 24 68 83 e7 03 c1 e7 10 09 c7 8b 44 24 60 83 e0 01 c1 e0 12 <31> c9 83 7c 24 3c 00 0f 95 c1 c1 e1 13 41 c1 e4 14 41 09 cc 41 09
RSP: 0018:ffffc90000006f20 EFLAGS: 00000046
RAX: 0000000000000000 RBX: 0000000000002015 RCX: ffff88807108bb80
RDX: dffffc0000000000 RSI: ffff88807108c660 RDI: 0000000000022015
RBP: ffff88807108c644 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff88807108bb80 R14: ffffffff8d32af80 R15: 0000000000000015
FS:  00007fd3c351d6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f03e6bded58 CR3: 000000005f151000 CR4: 00000000003506f0
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_acquire+0x1f8/0x5a0 kernel/locking/lockdep.c:5662
 rcu_lock_acquire include/linux/rcupdate.h:350 [inline]
 rcu_read_lock_sched include/linux/rcupdate.h:883 [inline]
 pfn_valid include/linux/mmzone.h:1857 [inline]
 __virt_addr_valid+0x19c/0x530 arch/x86/mm/physaddr.c:65
 kasan_addr_to_slab+0x9/0x20 mm/kasan/common.c:35
 __kasan_record_aux_stack+0x11/0xc0 mm/kasan/generic.c:471
 irq_work_queue_on+0x12f/0x290 kernel/irq_work.c:140
 rcu_read_unlock_special+0x3c6/0x540 kernel/rcu/tree_plugin.h:675
 __rcu_read_unlock+0x92/0x100 kernel/rcu/tree_plugin.h:426
 rcu_read_unlock include/linux/rcupdate.h:823 [inline]
 trace_call_bpf+0x5be/0x6a0 kernel/trace/bpf_trace.c:137
 perf_trace_run_bpf_submit+0x7b/0x1d0 kernel/events/core.c:9969
 perf_trace_preemptirq_template+0x2d1/0x3d0 include/trace/events/preemptirq.h:14
 trace_irq_disable include/trace/events/preemptirq.h:36 [inline]
 trace_hardirqs_off_finish+0x150/0x1a0 kernel/trace/trace_preemptirq.c:67
 irqentry_enter+0x33/0x50 kernel/entry/common.c:382
 sysvec_apic_timer_interrupt+0xa/0xb0 arch/x86/kernel/apic/apic.c:1106
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:85 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:120 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:128 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x199/0x290 mm/kasan/generic.c:189
Code: 83 c5 08 ff cb 75 ef 4d 29 ca 49 29 ea 4d 01 da 49 01 e9 4c 89 d5 48 8d 5d 07 48 85 ed 48 0f 49 dd 48 83 e3 f8 48 29 dd 74 12 <41> 80 39 00 0f 85 a2 00 00 00 49 ff c1 48 ff cd 75 ee 5b 41 5e 41
RSP: 0018:ffffc900000076a8 EFLAGS: 00000206
RAX: 0000000000001201 RBX: 0000000000000000 RCX: ffffffff81e2051c
RDX: 0000000000000001 RSI: 0000000000000200 RDI: ffffc900000076f0
RBP: 0000000000000006 R08: dffffc0000000000 R09: fffff52000000f18
R10: 0000000000000006 R11: dffffc0000000001 R12: 0000000000000000
R13: 0000000000082a20 R14: 0000000000000000 R15: 0000000000000006
 memset+0x1f/0x40 mm/kasan/shadow.c:44
 kasan_save_stack mm/kasan/common.c:42 [inline]
 kasan_set_track+0x3c/0x70 mm/kasan/common.c:52
 ____kasan_kmalloc mm/kasan/common.c:374 [inline]
 __kasan_kmalloc+0x97/0xb0 mm/kasan/common.c:383
 kasan_kmalloc include/linux/kasan.h:211 [inline]
 __do_kmalloc_node mm/slab_common.c:936 [inline]
 __kmalloc_node_track_caller+0xb1/0x220 mm/slab_common.c:956
 kmalloc_reserve net/core/skbuff.c:446 [inline]
 __alloc_skb+0x135/0x670 net/core/skbuff.c:515
 alloc_skb include/linux/skbuff.h:1271 [inline]
 ndisc_alloc_skb+0xee/0x2c0 net/ipv6/ndisc.c:424
 ndisc_send_rs+0x269/0x6a0 net/ipv6/ndisc.c:705
 addrconf_rs_timer+0x357/0x610 net/ipv6/addrconf.c:3963
 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_irq_work+0x8e/0xb0 arch/x86/kernel/irq_work.c:17
 </IRQ>
 <TASK>
 asm_sysvec_irq_work+0x16/0x20 arch/x86/include/asm/idtentry.h:679
RIP: 0010:preempt_schedule_irq+0xf2/0x1c0 kernel/sched/core.c:6870
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 e9 22 af f6 e8 14 1f e2 f6 fb bf 01 00 00 00 <e8> 79 b4 ff ff 43 80 7c 3d 00 00 74 08 4c 89 f7 e8 d9 de 32 f7 48
RSP: 0018:ffffc9000308f260 EFLAGS: 00000286
RAX: 7234385a78f12400 RBX: 1ffff92000611e54 RCX: ffffffff97334103
RDX: dffffc0000000000 RSI: ffffffff8b0c0340 RDI: 0000000000000001
RBP: ffffc9000308f310 R08: ffffffff90142000 R09: ffffffff90142008
R10: ffffffff90142018 R11: ffffffff90142010 R12: 1ffff92000611e4c
R13: 1ffff92000611e50 R14: ffffc9000308f280 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:unwind_next_frame+0x1160/0x2220 arch/x86/kernel/unwind_orc.c:639
Code: 24 28 0f b6 04 01 84 c0 48 8b 1c 24 0f 85 66 0a 00 00 c7 03 00 00 00 00 31 c0 48 81 c4 a8 00 00 00 5b 41 5c 41 5d 41 5e 41 5f <5d> c3 49 8d 5c 24 28 48 89 d8 48 c1 e8 03 80 3c 38 00 74 08 48 89
RSP: 0018:ffffc9000308f3d0 EFLAGS: 00000282
RAX: 0000000000000001 RBX: ffffc9000308f3e0 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: ffffc90003088000 RDI: 0000000000000001
RBP: ffffc9000308f3e0 R08: ffffc9000308fe30 R09: ffffc9000308f430
R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807108bb80
R13: ffffffff81786c50 R14: ffffc9000308f4c0 R15: 0000000000000000
 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]
 slab_alloc mm/slub.c:3406 [inline]
 __kmem_cache_alloc_lru mm/slub.c:3413 [inline]
 kmem_cache_alloc+0x10c/0x2d0 mm/slub.c:3422
 kmem_cache_zalloc include/linux/slab.h:683 [inline]
 lsm_file_alloc security/security.c:575 [inline]
 security_file_alloc+0x24/0x120 security/security.c:1543
 __alloc_file+0xc3/0x230 fs/file_table.c:143
 alloc_empty_file+0x92/0x180 fs/file_table.c:187
 path_openat+0xf6/0x2e60 fs/namei.c:3771
 do_filp_open+0x230/0x480 fs/namei.c:3812
 do_sys_openat2+0x13b/0x4f0 fs/open.c:1318
 do_sys_open fs/open.c:1334 [inline]
 __do_sys_openat fs/open.c:1350 [inline]
 __se_sys_openat fs/open.c:1345 [inline]
 __x64_sys_openat+0x243/0x290 fs/open.c:1345
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fd3c277dff9
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:00007fd3c351d038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fd3c2935f80 RCX: 00007fd3c277dff9
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: ffffffffffffff9c
RBP: 00007fd3c27f0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fd3c2935f80 R15: 00007ffd41860788
 </TASK>