rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2639 jiffies s: 51521 root: 0x2/.
rcu: blocking rcu_node structures (internal RCU debug):
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 14713 Comm: syz.1.3407 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:kasan_mem_to_shadow include/linux/kasan.h:59 [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+0x44/0x290 mm/kasan/generic.c:189
Code: 82 0e 02 00 00 49 89 f8 49 c1 e8 2f 41 81 f8 ff ff 01 00 0f 82 fa 01 00 00 49 bc 01 00 00 00 00 fc ff df 49 89 fe 49 c1 ee 03 <49> ba 00 00 00 00 00 fc ff df 4f 8d 1c 16 4c 8d 44 3e ff 4d 89 c1
RSP: 0018:ffffc900001dfcf0 EFLAGS: 00000806
RAX: 0000000000000001 RBX: 000000000000002c RCX: ffffffff81645972
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff90afd240
RBP: ffffc900001dff70 R08: 000000000001ffff R09: 1ffffffff215fa48
R10: dffffc0000000000 R11: fffffbfff215fa49 R12: dffffc0000000001
R13: 0000000000000000 R14: 1ffffffff215fa48 R15: ffff8880241d64b8
FS:  00007f5bdc9166c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0145125490 CR3: 0000000059299000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000008d24 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <IRQ>
 instrument_atomic_read include/linux/instrumented.h:72 [inline]
 _test_bit include/asm-generic/bitops/instrumented-non-atomic.h:141 [inline]
 hlock_class kernel/locking/lockdep.c:228 [inline]
 check_wait_context kernel/locking/lockdep.c:4724 [inline]
 __lock_acquire+0x5f2/0x7d10 kernel/locking/lockdep.c:4999
 lock_acquire+0x1bb/0x4a0 kernel/locking/lockdep.c:5662
 rcu_lock_acquire include/linux/rcupdate.h:350 [inline]
 rcu_read_lock include/linux/rcupdate.h:791 [inline]
 __perf_output_begin kernel/events/ring_buffer.c:163 [inline]
 perf_output_begin_forward+0xc3/0xa80 kernel/events/ring_buffer.c:272
 __perf_event_output kernel/events/core.c:7732 [inline]
 perf_event_output_forward+0x1ad/0x2f0 kernel/events/core.c:7750
 __perf_event_overflow+0x448/0x610 kernel/events/core.c:9496
 perf_event_overflow kernel/events/core.c:9517 [inline]
 perf_swevent_hrtimer+0x472/0x630 kernel/events/core.c:10967
 __run_hrtimer kernel/time/hrtimer.c:1747 [inline]
 __hrtimer_run_queues+0x50b/0xd50 kernel/time/hrtimer.c:1811
 hrtimer_interrupt+0x3c5/0x9c0 kernel/time/hrtimer.c:1873
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1107 [inline]
 __sysvec_apic_timer_interrupt+0x153/0x5a0 arch/x86/kernel/apic/apic.c:1124
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0x4d/0xc0 arch/x86/kernel/apic/apic.c:1118
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:kcov_remote_stop+0x24/0x6e0 kernel/kcov.c:1056
Code: e9 45 89 e0 eb 8c 55 41 57 41 56 41 55 41 54 53 48 83 ec 38 65 4c 8b 35 2a d8 7f 7e 65 8b 05 2b d8 7f 7e a9 00 00 ff 00 74 0f <48> 83 c4 38 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 c7 04 24 00 00 00
RSP: 0018:ffffc900001e0970 EFLAGS: 00000206
RAX: ca80d613d0c8d200 RBX: 00000000ffffffff RCX: ca80d613d0c8d200
RDX: dffffc0000000000 RSI: ffffffff8a8c19a0 RDI: ffffffff8adf1b60
RBP: ffffc900001e0bf0 R08: ffffffff90afd247 R09: 1ffffffff215fa48
R10: dffffc0000000000 R11: fffffbfff215fa49 R12: 0000000000000246
R13: ffffffff8182976f R14: ffff8880241d5940 R15: ffff8880b8f2b170
 ieee80211_rx_list+0x265c/0x2e60 net/mac80211/rx.c:5318
 ieee80211_rx_napi+0x1ae/0x3d0 net/mac80211/rx.c:5338
 ieee80211_rx include/net/mac80211.h:4849 [inline]
 ieee80211_handle_queued_frames+0x105/0x1b0 net/mac80211/main.c:317
 tasklet_action_common+0x2fe/0x4d0 kernel/softirq.c:827
 handle_softirqs+0x2a1/0x930 kernel/softirq.c:596
 __do_softirq kernel/softirq.c:630 [inline]
 invoke_softirq kernel/softirq.c:470 [inline]
 __irq_exit_rcu+0x13b/0x230 kernel/softirq.c:679
 irq_exit_rcu+0x5/0x20 kernel/softirq.c:691
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1118 [inline]
 sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1118
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:691
RIP: 0010:lock_acquire+0x225/0x4a0 kernel/locking/lockdep.c:5666
Code: f7 84 24 80 00 00 00 00 02 00 00 43 c6 44 3d 04 f8 0f 85 f0 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 44 3d 00 00 00 00 00 43 c7 44 3d 08 00 00 00 00 65 48 8b 04
RSP: 0018:ffffc900043672e0 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ca80d613d0c8d200
RDX: 0000000000000000 RSI: ffffffff8a8c2b20 RDI: ffffffff8adf1b60
RBP: ffffc90004367400 R08: dffffc0000000000 R09: 1ffffffff215fa48
R10: dffffc0000000000 R11: fffffbfff215fa49 R12: 0000000000000001
R13: 1ffff9200086ce68 R14: 0000000000000246 R15: dffffc0000000000
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 kasan_populate_vmalloc_pte+0x7f/0xf0 mm/kasan/shadow.c:278
 apply_to_pte_range mm/memory.c:2660 [inline]
 apply_to_pmd_range mm/memory.c:2704 [inline]
 apply_to_pud_range mm/memory.c:2740 [inline]
 apply_to_p4d_range mm/memory.c:2776 [inline]
 __apply_to_page_range+0x989/0xd10 mm/memory.c:2812
 alloc_vmap_area+0x178f/0x18c0 mm/vmalloc.c:1654
 __get_vm_area_node+0x158/0x330 mm/vmalloc.c:2513
 __vmalloc_node_range+0x357/0x13b0 mm/vmalloc.c:3203
 __vmalloc_node mm/vmalloc.c:3308 [inline]
 vmalloc+0x75/0x80 mm/vmalloc.c:3341
 netlink_alloc_large_skb net/netlink/af_netlink.c:1187 [inline]
 netlink_sendmsg+0x5ec/0xbd0 net/netlink/af_netlink.c:1847
 sock_sendmsg_nosec net/socket.c:718 [inline]
 __sock_sendmsg net/socket.c:730 [inline]
 ____sys_sendmsg+0x5be/0x970 net/socket.c:2518
 ___sys_sendmsg+0x2a2/0x360 net/socket.c:2572
 __sys_sendmsg net/socket.c:2601 [inline]
 __do_sys_sendmsg net/socket.c:2610 [inline]
 __se_sys_sendmsg+0x1bb/0x2a0 net/socket.c:2608
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f5bdb99ce59
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:00007f5bdc916028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f5bdbc15fa0 RCX: 00007f5bdb99ce59
RDX: 0000000000000000 RSI: 0000200000000000 RDI: 0000000000000003
RBP: 00007f5bdba32d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5bdbc16038 R14: 00007f5bdbc15fa0 R15: 00007ffc0e080da8
 </TASK>