rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 1-....: (10443 ticks this GP) idle=787/1/0x4000000000000000 softirq=109622/109928 fqs=4465
(t=10500 jiffies g=175825 q=24352)
NMI backtrace for cpu 1
CPU: 1 PID: 18437 Comm: syz-executor.5 Not tainted 5.16.0-rc1-next-20211118-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1b3/0x230 lib/nmi_backtrace.c:62
trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
rcu_dump_cpu_stacks+0x25e/0x3f0 kernel/rcu/tree_stall.h:343
print_cpu_stall kernel/rcu/tree_stall.h:627 [inline]
check_cpu_stall kernel/rcu/tree_stall.h:711 [inline]
rcu_pending kernel/rcu/tree.c:3878 [inline]
rcu_sched_clock_irq.cold+0x9d/0x746 kernel/rcu/tree.c:2597
update_process_times+0x16d/0x200 kernel/time/timer.c:1785
tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:226
tick_sched_timer+0x1b0/0x2d0 kernel/time/tick-sched.c:1421
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x1c0/0xe50 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x31c/0x790 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
__sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1103
sysvec_apic_timer_interrupt+0x40/0xc0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:preempt_count_add+0x4d/0x140 kernel/sched/core.c:5450
Code: b6 14 11 38 d0 7c 08 84 d2 0f 85 e1 00 00 00 8b 15 38 07 fc 0e 65 01 1d 71 6d b2 7e 85 d2 75 11 65 8b 05 66 6d b2 7e 0f b6 c0 <3d> f4 00 00 00 7f 64 65 8b 05 55 6d b2 7e 25 ff ff ff 7f 39 c3 74
RSP: 0018:ffffc90000dc0708 EFLAGS: 00000246
RAX: 0000000000000004 RBX: 0000000000000001 RCX: 1ffffffff2098138
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000001 R08: ffffffff8e0d7a22 R09: 0000000000000001
R10: fffff520001b810a R11: 000000000008808a R12: ffffc90000dc0840
R13: 0000000000000000 R14: ffffc90000dc07f8 R15: 0000000000000000
unwind_next_frame+0x120/0x1ce0 arch/x86/kernel/unwind_orc.c:428
arch_stack_walk+0x7d/0xe0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:122
kasan_save_stack+0x1e/0x50 mm/kasan/common.c:38
kasan_set_track mm/kasan/common.c:46 [inline]
set_alloc_info mm/kasan/common.c:434 [inline]
__kasan_slab_alloc+0x90/0xc0 mm/kasan/common.c:467
kasan_slab_alloc include/linux/kasan.h:259 [inline]
slab_post_alloc_hook mm/slab.h:519 [inline]
slab_alloc_node mm/slub.c:3234 [inline]
kmem_cache_alloc_node+0x255/0x3f0 mm/slub.c:3270
__alloc_skb+0x215/0x340 net/core/skbuff.c:414
__netdev_alloc_skb+0x73/0x400 net/core/skbuff.c:494
netdev_alloc_skb include/linux/skbuff.h:2916 [inline]
dev_alloc_skb include/linux/skbuff.h:2929 [inline]
__ieee80211_beacon_get+0x9f7/0x15e0 net/mac80211/tx.c:5147
ieee80211_beacon_get_tim+0x88/0x930 net/mac80211/tx.c:5226
ieee80211_beacon_get include/net/mac80211.h:4992 [inline]
mac80211_hwsim_beacon_tx+0x111/0x930 drivers/net/wireless/mac80211_hwsim.c:1808
__iterate_interfaces+0x1e5/0x560 net/mac80211/util.c:793
ieee80211_iterate_active_interfaces_atomic+0x70/0x180 net/mac80211/util.c:829
mac80211_hwsim_beacon+0xcd/0x1c0 drivers/net/wireless/mac80211_hwsim.c:1861
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x609/0xe50 kernel/time/hrtimer.c:1749
hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1766
__do_softirq+0x29b/0x9c2 kernel/softirq.c:558
invoke_softirq kernel/softirq.c:432 [inline]
__irq_exit_rcu+0x123/0x180 kernel/softirq.c:636
irq_exit_rcu+0x5/0x20 kernel/softirq.c:648
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__orc_find+0x86/0xf0 arch/x86/kernel/unwind_orc.c:52
Code: d1 f8 48 8d 5c 85 00 48 89 d8 48 c1 e8 03 42 0f b6 14 38 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 48 48 63 03 48 01 d8 <48> 39 c1 73 b0 4c 8d 63 fc 49 39 ec 73 b3 4d 29 ee 49 c1 fe 02 4b
RSP: 0018:ffffc900051af318 EFLAGS: 00000283
RAX: ffffffff8165b4e3 RBX: ffffffff8da06880 RCX: ffffffff8165b4bb
RDX: 0000000000000000 RSI: ffffffff8e1019c8 RDI: ffffffff8da06854
RBP: ffffffff8da06874 R08: ffffffff8e1019c8 R09: 0000000000000001
R10: fffff52000a35e92 R11: 000000000008808a R12: ffffffff8da06890
R13: ffffffff8da06854 R14: ffffffff8da06870 R15: dffffc0000000000
orc_find arch/x86/kernel/unwind_orc.c:173 [inline]
unwind_next_frame+0x32a/0x1ce0 arch/x86/kernel/unwind_orc.c:443
arch_stack_walk+0x7d/0xe0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:122
save_stack+0x151/0x1e0 mm/page_owner.c:121
__reset_page_owner+0x5d/0x180 mm/page_owner.c:142
reset_page_owner include/linux/page_owner.h:24 [inline]
free_pages_prepare mm/page_alloc.c:1338 [inline]
free_pcp_prepare+0x374/0x870 mm/page_alloc.c:1389
free_unref_page_prepare mm/page_alloc.c:3309 [inline]
free_unref_page+0x19/0x690 mm/page_alloc.c:3388
kasan_depopulate_vmalloc_pte+0x5c/0x70 mm/kasan/shadow.c:380
apply_to_pte_range mm/memory.c:2522 [inline]
apply_to_pmd_range mm/memory.c:2566 [inline]
apply_to_pud_range mm/memory.c:2602 [inline]
apply_to_p4d_range mm/memory.c:2638 [inline]
__apply_to_page_range+0x694/0x1080 mm/memory.c:2672
kasan_release_vmalloc+0xa7/0xc0 mm/kasan/shadow.c:490
__purge_vmap_area_lazy+0x8f9/0x1c50 mm/vmalloc.c:1708
try_purge_vmap_area_lazy mm/vmalloc.c:1727 [inline]
free_vmap_area_noflush+0xa5b/0xd10 mm/vmalloc.c:1769
free_unmap_vmap_area mm/vmalloc.c:1782 [inline]
remove_vm_area+0x1ca/0x230 mm/vmalloc.c:2528
vm_remove_mappings mm/vmalloc.c:2557 [inline]
__vunmap+0x392/0xb70 mm/vmalloc.c:2622
__vfree+0x3c/0xd0 mm/vmalloc.c:2680
vfree+0x5a/0x90 mm/vmalloc.c:2711
kcov_put kernel/kcov.c:411 [inline]
kcov_put+0x26/0x40 kernel/kcov.c:407
kcov_close+0xc/0x10 kernel/kcov.c:513
__fput+0x286/0x9f0 fs/file_table.c:280
task_work_run+0xdd/0x1a0 kernel/task_work.c:164
exit_task_work include/linux/task_work.h:32 [inline]
do_exit+0xc14/0x2b40 kernel/exit.c:832
do_group_exit+0x125/0x310 kernel/exit.c:929
get_signal+0x34c/0x28b0 kernel/signal.c:2837
arch_do_signal_or_restart+0x2a9/0x1c40 arch/x86/kernel/signal.c:868
handle_signal_work kernel/entry/common.c:148 [inline]
exit_to_user_mode_loop kernel/entry/common.c:172 [inline]
exit_to_user_mode_prepare+0x17d/0x290 kernel/entry/common.c:207
__syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
syscall_exit_to_user_mode+0x19/0x60 kernel/entry/common.c:300
do_syscall_64+0x42/0xb0 arch/x86/entry/common.c:86
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f5221a5cae9
Code: Unable to access opcode bytes at RIP 0x7f5221a5cabf.
RSP: 002b:00007f521efd2188 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: 0000000000000070 RBX: 00007f5221b6ff60 RCX: 00007f5221a5cae9
RDX: 0400000000000070 RSI: 0000000020007fc0 RDI: 0000000000000003
RBP: 00007f5221ab6f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000044 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd898affdf R14: 00007f521efd2300 R15: 0000000000022000
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 14 11 adc $0x11,%al
2: 38 d0 cmp %dl,%al
4: 7c 08 jl 0xe
6: 84 d2 test %dl,%dl
8: 0f 85 e1 00 00 00 jne 0xef
e: 8b 15 38 07 fc 0e mov 0xefc0738(%rip),%edx # 0xefc074c
14: 65 01 1d 71 6d b2 7e add %ebx,%gs:0x7eb26d71(%rip) # 0x7eb26d8c
1b: 85 d2 test %edx,%edx
1d: 75 11 jne 0x30
1f: 65 8b 05 66 6d b2 7e mov %gs:0x7eb26d66(%rip),%eax # 0x7eb26d8c
26: 0f b6 c0 movzbl %al,%eax
* 29: 3d f4 00 00 00 cmp $0xf4,%eax <-- trapping instruction
2e: 7f 64 jg 0x94
30: 65 8b 05 55 6d b2 7e mov %gs:0x7eb26d55(%rip),%eax # 0x7eb26d8c
37: 25 ff ff ff 7f and $0x7fffffff,%eax
3c: 39 c3 cmp %eax,%ebx
3e: 74 .byte 0x74