rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 1-...!: (1 GPs behind) idle=469/1/0x4000000000000000 softirq=12071/12073 fqs=0
(t=10501 jiffies g=12493 q=192 ncpus=2)
rcu: rcu_preempt kthread timer wakeup didn't happen for 10501 jiffies! g12493 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402
rcu: Possible timer handling issue on cpu=0 timer-softirq=10389
rcu: rcu_preempt kthread starved for 10504 jiffies! g12493 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0
rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt state:I stack:29264 pid: 16 ppid: 2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5106 [inline]
__schedule+0xa9a/0x4cc0 kernel/sched/core.c:6421
schedule+0xd2/0x1f0 kernel/sched/core.c:6493
schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1907
rcu_gp_fqs_loop+0x1c0/0x840 kernel/rcu/tree.c:2078
rcu_gp_kthread+0x1de/0x320 kernel/rcu/tree.c:2267
kthread+0x2e9/0x3a0 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5175 Comm: syz-executor.4 Not tainted 5.18.0-rc3-next-20220422-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:434 [inline]
RIP: 0010:__pv_queued_spin_lock_slowpath+0x3ca/0xb50 kernel/locking/qspinlock.c:511
Code: eb c6 45 01 01 41 bc 00 80 00 00 48 c1 e9 03 83 e3 07 41 be 01 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8d 2c 01 eb 0c f3 90 <41> 83 ec 01 0f 84 71 04 00 00 41 0f b6 45 00 38 d8 7f 08 84 c0 0f
RSP: 0018:ffffc90000007a38 EFLAGS: 00000206
RAX: 0000000000000003 RBX: 0000000000000000 RCX: 1ffffffff197f930
RDX: 0000000000000001 RSI: ffffffff81807171 RDI: ffffffff8134dffd
RBP: ffffffff8cbfc980 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff81807158 R11: 0000000000000080 R12: 0000000000004a02
R13: fffffbfff197f930 R14: 0000000000000001 R15: ffff8880b9c3ae40
FS: 00007f637b5fe700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002024f040 CR3: 000000007306d000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:591 [inline]
queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
do_raw_spin_lock+0x200/0x2a0 kernel/locking/spinlock_debug.c:115
spin_lock include/linux/spinlock.h:354 [inline]
mac80211_hwsim_tx_frame_no_nl.isra.0+0x6f4/0x13b0 drivers/net/wireless/mac80211_hwsim.c:1593
mac80211_hwsim_tx_frame+0x1ee/0x2a0 drivers/net/wireless/mac80211_hwsim.c:1884
mac80211_hwsim_beacon_tx+0x49e/0x920 drivers/net/wireless/mac80211_hwsim.c:1938
__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:1961
__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:637
irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:kasan_check_range+0x132/0x180 mm/kasan/generic.c:190
Code: 2c 48 85 d2 75 0b 48 89 da 48 29 c2 e9 55 ff ff ff 49 39 d2 75 17 49 0f be 02 41 83 e1 07 49 39 c1 7d 0a 5b b8 01 00 00 00 5d <41> 5c c3 44 89 c2 e8 c3 ef ff ff 5b 83 f0 01 5d 41 5c c3 b8 01 00
RSP: 0018:ffffc90002b5f4c0 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffffc90002b5f5e0 RCX: ffffffff81a088c2
RDX: fffff9400016c739 RSI: 0000000000000008 RDI: ffffea0000b639c0
RBP: ffffea0000b639c0 R08: 0000000000000000 R09: ffffea0000b639c7
R10: fffff9400016c738 R11: 0000000000000000 R12: ffffea0000b639c0
R13: dffffc0000000000 R14: ffffea0000b639f4 R15: 000000000000024f
instrument_atomic_read include/linux/instrumented.h:71 [inline]
test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline]
folio_test_readahead include/linux/page-flags.h:546 [inline]
next_uptodate_page+0x1d2/0x810 mm/filemap.c:3303
next_map_page mm/filemap.c:3336 [inline]
filemap_map_pages+0xf73/0x1e00 mm/filemap.c:3408
do_fault_around mm/memory.c:4481 [inline]
do_read_fault mm/memory.c:4507 [inline]
do_fault+0x626/0x1160 mm/memory.c:4641
handle_pte_fault mm/memory.c:4904 [inline]
__handle_mm_fault+0x13ff/0x33d0 mm/memory.c:5043
handle_mm_fault+0x1c8/0x790 mm/memory.c:5141
do_user_addr_fault+0x489/0x11c0 arch/x86/mm/fault.c:1397
handle_page_fault arch/x86/mm/fault.c:1484 [inline]
exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1540
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0010:fault_in_readable+0x106/0x290 mm/gup.c:1789
Code: ff 0f 01 cb 0f ae e8 48 89 eb 31 ff 81 e3 ff 0f 00 00 48 89 de e8 7a e7 c9 ff 48 85 db 0f 84 ea 00 00 00 e8 dc e4 c9 ff 31 db <8a> 45 00 31 ff 89 de 88 44 24 28 e8 ea e6 c9 ff 85 db 0f 85 4f 01
RSP: 0018:ffffc90002b5f9e0 EFLAGS: 00050246
RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc9000c41a000
RDX: 0000000000040000 RSI: ffffffff81b03a44 RDI: 0000000000000003
RBP: 000000002024f040 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff81b03a36 R11: 0000000000000000 R12: 0000000000001000
R13: dffffc0000000000 R14: dffffc0000000000 R15: 1ffff9200056bf3d
fault_in_iov_iter_readable lib/iov_iter.c:458 [inline]
fault_in_iov_iter_readable+0x11f/0x1f0 lib/iov_iter.c:444
generic_perform_write+0x19e/0x560 mm/filemap.c:3782
ext4_buffered_write_iter+0x15b/0x330 fs/ext4/file.c:270
ext4_file_write_iter+0x43c/0x1510 fs/ext4/file.c:679
call_write_iter include/linux/fs.h:2059 [inline]
new_sync_write+0x38a/0x560 fs/read_write.c:504
vfs_write+0x7c0/0xac0 fs/read_write.c:591
ksys_write+0x127/0x250 fs/read_write.c:644
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f637c6890e9
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f637b5fe168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f637c79bf60 RCX: 00007f637c6890e9
RDX: 000000000208e24b RSI: 0000000020000040 RDI: 0000000000000003
RBP: 00007f637c6e308d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff22b27b2f R14: 00007f637b5fe300 R15: 0000000000022000
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 5175 Comm: syz-executor.4 Not tainted 5.18.0-rc3-next-20220422-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:kvm_wait+0x98/0x100 arch/x86/kernel/kvm.c:1058
Code: fa 83 e2 07 38 d0 7f 04 84 c0 75 63 0f b6 07 40 38 c6 74 35 48 83 c4 10 c3 c3 e8 23 91 4b 00 eb 07 0f 00 2d da b1 94 08 fb f4 <48> 83 c4 10 c3 89 74 24 0c 48 89 3c 24 e8 56 8f 4b 00 8b 74 24 0c
RSP: 0018:ffffc90000007a20 EFLAGS: 00000246
RAX: 0000000000000007 RBX: 0000000000000000 RCX: 1ffffffff1b73199
RDX: 0000000000000000 RSI: ffffffff81807171 RDI: ffffffff8134dffd
RBP: ffffffff8cbfc980 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff81807158 R11: 0000000000000080 R12: 0000000000000000
R13: fffffbfff197f930 R14: 0000000000000001 R15: ffff8880b9c3ae40
FS: 00007f637b5fe700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002024f040 CR3: 000000007306d000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
pv_wait arch/x86/include/asm/paravirt.h:603 [inline]
pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
__pv_queued_spin_lock_slowpath+0x8c7/0xb50 kernel/locking/qspinlock.c:511
pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:591 [inline]
queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
do_raw_spin_lock+0x200/0x2a0 kernel/locking/spinlock_debug.c:115
spin_lock include/linux/spinlock.h:354 [inline]
mac80211_hwsim_tx_frame_no_nl.isra.0+0x6f4/0x13b0 drivers/net/wireless/mac80211_hwsim.c:1593
mac80211_hwsim_tx_frame+0x1ee/0x2a0 drivers/net/wireless/mac80211_hwsim.c:1884
mac80211_hwsim_beacon_tx+0x49e/0x920 drivers/net/wireless/mac80211_hwsim.c:1938
__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:1961
__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:637
irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:kasan_check_range+0x132/0x180 mm/kasan/generic.c:190
Code: 2c 48 85 d2 75 0b 48 89 da 48 29 c2 e9 55 ff ff ff 49 39 d2 75 17 49 0f be 02 41 83 e1 07 49 39 c1 7d 0a 5b b8 01 00 00 00 5d <41> 5c c3 44 89 c2 e8 c3 ef ff ff 5b 83 f0 01 5d 41 5c c3 b8 01 00
RSP: 0018:ffffc90002b5f4c0 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffffc90002b5f5e0 RCX: ffffffff81a088c2
RDX: fffff9400016c739 RSI: 0000000000000008 RDI: ffffea0000b639c0
RBP: ffffea0000b639c0 R08: 0000000000000000 R09: ffffea0000b639c7
R10: fffff9400016c738 R11: 0000000000000000 R12: ffffea0000b639c0
R13: dffffc0000000000 R14: ffffea0000b639f4 R15: 000000000000024f
instrument_atomic_read include/linux/instrumented.h:71 [inline]
test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline]
folio_test_readahead include/linux/page-flags.h:546 [inline]
next_uptodate_page+0x1d2/0x810 mm/filemap.c:3303
next_map_page mm/filemap.c:3336 [inline]
filemap_map_pages+0xf73/0x1e00 mm/filemap.c:3408
do_fault_around mm/memory.c:4481 [inline]
do_read_fault mm/memory.c:4507 [inline]
do_fault+0x626/0x1160 mm/memory.c:4641
handle_pte_fault mm/memory.c:4904 [inline]
__handle_mm_fault+0x13ff/0x33d0 mm/memory.c:5043
handle_mm_fault+0x1c8/0x790 mm/memory.c:5141
do_user_addr_fault+0x489/0x11c0 arch/x86/mm/fault.c:1397
handle_page_fault arch/x86/mm/fault.c:1484 [inline]
exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1540
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0010:fault_in_readable+0x106/0x290 mm/gup.c:1789
Code: ff 0f 01 cb 0f ae e8 48 89 eb 31 ff 81 e3 ff 0f 00 00 48 89 de e8 7a e7 c9 ff 48 85 db 0f 84 ea 00 00 00 e8 dc e4 c9 ff 31 db <8a> 45 00 31 ff 89 de 88 44 24 28 e8 ea e6 c9 ff 85 db 0f 85 4f 01
RSP: 0018:ffffc90002b5f9e0 EFLAGS: 00050246
RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc9000c41a000
RDX: 0000000000040000 RSI: ffffffff81b03a44 RDI: 0000000000000003
RBP: 000000002024f040 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff81b03a36 R11: 0000000000000000 R12: 0000000000001000
R13: dffffc0000000000 R14: dffffc0000000000 R15: 1ffff9200056bf3d
fault_in_iov_iter_readable lib/iov_iter.c:458 [inline]
fault_in_iov_iter_readable+0x11f/0x1f0 lib/iov_iter.c:444
generic_perform_write+0x19e/0x560 mm/filemap.c:3782
ext4_buffered_write_iter+0x15b/0x330 fs/ext4/file.c:270
ext4_file_write_iter+0x43c/0x1510 fs/ext4/file.c:679
call_write_iter include/linux/fs.h:2059 [inline]
new_sync_write+0x38a/0x560 fs/read_write.c:504
vfs_write+0x7c0/0xac0 fs/read_write.c:591
ksys_write+0x127/0x250 fs/read_write.c:644
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f637c6890e9
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f637b5fe168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f637c79bf60 RCX: 00007f637c6890e9
RDX: 000000000208e24b RSI: 0000000020000040 RDI: 0000000000000003
RBP: 00007f637c6e308d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff22b27b2f R14: 00007f637b5fe300 R15: 0000000000022000
NMI backtrace for cpu 1
CPU: 1 PID: 5174 Comm: syz-executor.4 Not tainted 5.18.0-rc3-next-20220422-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+0x1e6/0x230 lib/nmi_backtrace.c:62
trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
rcu_dump_cpu_stacks+0x262/0x3f0 kernel/rcu/tree_stall.h:369
print_cpu_stall kernel/rcu/tree_stall.h:665 [inline]
check_cpu_stall kernel/rcu/tree_stall.h:749 [inline]
rcu_pending kernel/rcu/tree.c:4068 [inline]
rcu_sched_clock_irq.cold+0x144/0x8fc kernel/rcu/tree.c:2755
update_process_times+0x16d/0x200 kernel/time/timer.c:1811
tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:243
tick_sched_timer+0xee/0x120 kernel/time/tick-sched.c:1473
__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:1095 [inline]
__sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1112
sysvec_apic_timer_interrupt+0x40/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:kvm_wait+0x98/0x100 arch/x86/kernel/kvm.c:1058
Code: fa 83 e2 07 38 d0 7f 04 84 c0 75 63 0f b6 07 40 38 c6 74 35 48 83 c4 10 c3 c3 e8 23 91 4b 00 eb 07 0f 00 2d da b1 94 08 fb f4 <48> 83 c4 10 c3 89 74 24 0c 48 89 3c 24 e8 56 8f 4b 00 8b 74 24 0c
RSP: 0000:ffffc90000de0488 EFLAGS: 00000246
RAX: 0000000000000007 RBX: 0000000000000000 RCX: 1ffffffff1b73199
RDX: 0000000000000000 RSI: ffffffff81807171 RDI: ffffffff8134dffd
RBP: ffff88802600a6c8 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff81807158 R11: 0000000000000001 R12: 0000000000000000
R13: ffffed1004c014d9 R14: 0000000000000001 R15: ffff8880b9d3ae40
pv_wait arch/x86/include/asm/paravirt.h:603 [inline]
pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline]
__pv_queued_spin_lock_slowpath+0x8c7/0xb50 kernel/locking/qspinlock.c:511
pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:591 [inline]
queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
do_raw_spin_lock+0x200/0x2a0 kernel/locking/spinlock_debug.c:115
spin_lock include/linux/spinlock.h:354 [inline]
task_lock include/linux/sched/task.h:170 [inline]
__get_task_comm+0x23/0x50 fs/exec.c:1219
__set_page_owner_handle mm/page_owner.c:174 [inline]
__set_page_owner+0x253/0x380 mm/page_owner.c:192
prep_new_page mm/page_alloc.c:2394 [inline]
get_page_from_freelist+0xba2/0x3e00 mm/page_alloc.c:4135
__alloc_pages+0x1b2/0x500 mm/page_alloc.c:5356
alloc_pages+0x1aa/0x310 mm/mempolicy.c:2273
alloc_slab_page mm/slub.c:1797 [inline]
allocate_slab+0x26c/0x3c0 mm/slub.c:1942
new_slab mm/slub.c:2002 [inline]
___slab_alloc+0x985/0xd90 mm/slub.c:3002
__slab_alloc.constprop.0+0x4d/0xa0 mm/slub.c:3089
slab_alloc_node mm/slub.c:3180 [inline]
kmem_cache_alloc_node+0x122/0x3f0 mm/slub.c:3264
__alloc_skb+0x215/0x340 net/core/skbuff.c:414
skb_copy+0x139/0x3c0 net/core/skbuff.c:1585
mac80211_hwsim_tx_frame_no_nl.isra.0+0xb7c/0x13b0 drivers/net/wireless/mac80211_hwsim.c:1642
mac80211_hwsim_tx_frame+0x1ee/0x2a0 drivers/net/wireless/mac80211_hwsim.c:1884
mac80211_hwsim_beacon_tx+0x49e/0x920 drivers/net/wireless/mac80211_hwsim.c:1938
__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:1961
__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:637
irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:649
RIP: 0010:check_kcov_mode+0xf/0x40 kernel/kcov.c:166
Code: 7c 24 08 e8 13 90 4c 00 e9 61 fd ff ff cc cc cc cc cc cc cc cc cc cc cc cc cc cc 65 8b 05 e9 54 88 7e 89 c2 81 e2 00 01 00 00 00 01 ff 00 74 10 31 c0 85 d2 74 15 8b 96 ac 15 00 00 85 d2 74
RSP: 0000:ffffc90002ba78a0 EFLAGS: 00000246
RAX: 0000000080000001 RBX: 000000000000000f RCX: 000000000000000e
RDX: 0000000000000000 RSI: ffff888026009d80 RDI: 0000000000000003
RBP: ffff888012262928 R08: 000000000000000f R09: ffff88802600a5b8
R10: ffffffff83faa4e6 R11: 0000000000000001 R12: 000000000000000e
R13: 0000000000000010 R14: ffff888012262908 R15: 0000000000000007
write_comp_data kernel/kcov.c:221 [inline]
__sanitizer_cov_trace_cmp8+0x1d/0x70 kernel/kcov.c:267
strscpy_pad+0x46/0x70 lib/string_helpers.c:789
__get_task_comm+0x35/0x50 fs/exec.c:1221
__set_page_owner_handle mm/page_owner.c:174 [inline]
__set_page_owner+0x253/0x380 mm/page_owner.c:192
prep_new_page mm/page_alloc.c:2394 [inline]
get_page_from_freelist+0xba2/0x3e00 mm/page_alloc.c:4135
__alloc_pages+0x1b2/0x500 mm/page_alloc.c:5356
alloc_pages+0x1aa/0x310 mm/mempolicy.c:2273
__pte_alloc_one include/asm-generic/pgalloc.h:63 [inline]
pte_alloc_one+0x16/0x230 arch/x86/mm/pgtable.c:33
__do_fault+0x3c4/0x650 mm/memory.c:4161
do_shared_fault mm/memory.c:4567 [inline]
do_fault+0x8d2/0x1160 mm/memory.c:4645
handle_pte_fault mm/memory.c:4904 [inline]
__handle_mm_fault+0x13ff/0x33d0 mm/memory.c:5043
handle_mm_fault+0x1c8/0x790 mm/memory.c:5141
do_user_addr_fault+0x489/0x11c0 arch/x86/mm/fault.c:1397
handle_page_fault arch/x86/mm/fault.c:1484 [inline]
exc_page_fault+0x9e/0x180 arch/x86/mm/fault.c:1540
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:570
RIP: 0033:0x7f637c68440f
Code: d0 eb 0b 0f 1f 84 00 00 00 00 00 48 89 f8 48 83 fa 10 0f 82 da 00 00 00 48 83 fa 20 0f 87 1f 01 00 00 0f 10 06 0f 10 4c 16 f0 <0f> 11 07 0f 11 4c 17 f0 c3 0f 1f 84 00 00 00 00 00 48 39 d1 0f 82
RSP: 002b:00007fff22b27ba8 EFLAGS: 00010287
RAX: 0000000020000080 RBX: 0000000000000000 RCX: 0000001b2e420000
RDX: 0000000000000013 RSI: 00007f637c7a08d8 RDI: 0000000020000080
RBP: 00007fff22b27c68 R08: 00007f637cba0000 R09: 00007f637c7a08c0
R10: 00007fff22b27c90 R11: 0000000000000246 R12: 000000000002e43f
R13: 00007fff22b27c90 R14: 00007f637c79c030 R15: 0000000000000032
----------------
Code disassembly (best guess):
0: eb c6 jmp 0xffffffc8
2: 45 01 01 add %r8d,(%r9)
5: 41 bc 00 80 00 00 mov $0x8000,%r12d
b: 48 c1 e9 03 shr $0x3,%rcx
f: 83 e3 07 and $0x7,%ebx
12: 41 be 01 00 00 00 mov $0x1,%r14d
18: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
1f: fc ff df
22: 4c 8d 2c 01 lea (%rcx,%rax,1),%r13
26: eb 0c jmp 0x34
28: f3 90 pause
* 2a: 41 83 ec 01 sub $0x1,%r12d <-- trapping instruction
2e: 0f 84 71 04 00 00 je 0x4a5
34: 41 0f b6 45 00 movzbl 0x0(%r13),%eax
39: 38 d8 cmp %bl,%al
3b: 7f 08 jg 0x45
3d: 84 c0 test %al,%al
3f: 0f .byte 0xf