audit: type=1804 audit(1585956773.066:1276): pid=21898 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir821337011/syzkaller.jSqdGN/4803/file0/file0" dev="sda1" ino=17324 res=1
INFO: rcu_preempt detected stalls on CPUs/tasks:
(detected by 1, t=10502 jiffies, g=101260, c=101259, q=1394)
All QSes seen, last rcu_preempt kthread activity 10502 (4295199998-4295189496), jiffies_till_next_fqs=1, root ->qsmask 0x0
syz-executor.0 R running task 28016 21883 6355 0x0000000c
Call Trace:
sched_show_task kernel/sched/core.c:5168 [inline]
sched_show_task.cold+0x2e3/0x347 kernel/sched/core.c:5143
print_other_cpu_stall kernel/rcu/tree.c:1501 [inline]
check_cpu_stall kernel/rcu/tree.c:1616 [inline]
__rcu_pending kernel/rcu/tree.c:3390 [inline]
rcu_pending kernel/rcu/tree.c:3452 [inline]
rcu_check_callbacks.cold+0xd3f/0xdaa kernel/rcu/tree.c:2792
update_process_times+0x29/0x60 kernel/time/timer.c:1590
tick_sched_handle+0x7d/0x150 kernel/time/tick-sched.c:165
tick_sched_timer+0x3e/0x120 kernel/time/tick-sched.c:1223
__run_hrtimer kernel/time/hrtimer.c:1223 [inline]
__hrtimer_run_queues+0x25c/0xbb0 kernel/time/hrtimer.c:1287
hrtimer_interrupt+0x1e6/0x5e0 kernel/time/hrtimer.c:1321
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1075 [inline]
smp_apic_timer_interrupt+0x117/0x5e0 arch/x86/kernel/apic/apic.c:1100
apic_timer_interrupt+0x8f/0xa0 arch/x86/entry/entry_64.S:792
RIP: 0010:preempt_count_sub+0x1a/0x130 kernel/sched/core.c:3131
RSP: 0018:ffff8880aeb07718 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10
RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff8a587b00
RDX: dffffc0000000000 RSI: ffff8880aeb076e0 RDI: 0000000000000001
RBP: 1ffff11015d60eec R08: 0000000000000001 R09: ffff8880aeb077d8
R10: ffff8880aeb078a5 R11: 0000000000058071 R12: ffff8880aeb07870
R13: ffff8880aeb00000 R14: ffff8880aeb07870 R15: 0000000000000002
unwind_next_frame+0xbc6/0x17a0 arch/x86/kernel/unwind_orc.c:498
__unwind_start arch/x86/kernel/unwind_orc.c:578 [inline]
__unwind_start+0x450/0x800 arch/x86/kernel/unwind_orc.c:508
unwind_start arch/x86/include/asm/unwind.h:60 [inline]
__save_stack_trace+0x4a/0xd0 arch/x86/kernel/stacktrace.c:43
save_stack+0x32/0xa0 mm/kasan/kasan.c:447
set_track mm/kasan/kasan.c:459 [inline]
kasan_kmalloc mm/kasan/kasan.c:551 [inline]
kasan_kmalloc+0xbf/0xe0 mm/kasan/kasan.c:529
kmem_cache_alloc_node+0x148/0x7a0 mm/slab.c:3642
__alloc_skb+0x9a/0x4c0 net/core/skbuff.c:193
alloc_skb include/linux/skbuff.h:980 [inline]
new_skb+0x24/0x1c0 drivers/block/aoe/aoecmd.c:67
aoecmd_cfg_pkts drivers/block/aoe/aoecmd.c:427 [inline]
aoecmd_cfg+0x155/0x570 drivers/block/aoe/aoecmd.c:1392
discover_timer drivers/block/aoe/aoemain.c:44 [inline]
discover_timer+0xc5/0x160 drivers/block/aoe/aoemain.c:21
call_timer_fn+0x14a/0x650 kernel/time/timer.c:1279
expire_timers kernel/time/timer.c:1318 [inline]
__run_timers kernel/time/timer.c:1636 [inline]
__run_timers kernel/time/timer.c:1604 [inline]
run_timer_softirq+0x52a/0x1390 kernel/time/timer.c:1649
__do_softirq+0x254/0x9bf kernel/softirq.c:288
invoke_softirq kernel/softirq.c:368 [inline]
irq_exit+0x15b/0x1a0 kernel/softirq.c:409
exiting_irq arch/x86/include/asm/apic.h:648 [inline]
smp_apic_timer_interrupt+0x141/0x5e0 arch/x86/kernel/apic/apic.c:1102
apic_timer_interrupt+0x8f/0xa0 arch/x86/entry/entry_64.S:792
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:779 [inline]
RIP: 0010:lock_acquire+0x1ec/0x3f0 kernel/locking/lockdep.c:3997
RSP: 0018:ffff888204037a40 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10
RAX: 1ffffffff0fa2cd1 RBX: ffff888071374440 RCX: 000000006b818078
RDX: dffffc0000000000 RSI: ffff888071374d60 RDI: 0000000000000282
RBP: ffff888080b72540 R08: 0000000000002dcd R09: ffffffff8a0726e8
R10: ffff888071374d60 R11: ffff888071374440 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
_raw_spin_lock_nested+0x30/0x40 kernel/locking/spinlock.c:362
copy_pte_range mm/memory.c:1086 [inline]
copy_pmd_range mm/memory.c:1157 [inline]
copy_pud_range mm/memory.c:1191 [inline]
copy_p4d_range mm/memory.c:1213 [inline]
copy_page_range+0x92b/0x1d70 mm/memory.c:1275
dup_mmap kernel/fork.c:709 [inline]
dup_mm kernel/fork.c:1199 [inline]
copy_mm kernel/fork.c:1254 [inline]
copy_process.part.0+0x4884/0x6a70 kernel/fork.c:1771
copy_process kernel/fork.c:1586 [inline]
_do_fork+0x180/0xc80 kernel/fork.c:2070
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45c879
RSP: 002b:00007fcce6fdcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fcce6fdd6d4 RCX: 000000000045c879
RDX: 0000000020000100 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 000000000076bf00 R08: 0000000020000440 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000074 R14: 00000000004c3123 R15: 000000000076bf0c
rcu_preempt kthread starved for 10502 jiffies! g101260 c101259 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x0 ->cpu=1
rcu_preempt R running task 29920 8 2 0x80000000
Call Trace:
schedule+0x8d/0x1b0 kernel/sched/core.c:3428
schedule_timeout+0x43c/0xe40 kernel/time/timer.c:1746
rcu_gp_kthread+0xb8e/0x1ce0 kernel/rcu/tree.c:2255
kthread+0x30d/0x420 kernel/kthread.c:232
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
INFO: rcu_sched detected stalls on CPUs/tasks:
1-...: (18 ticks this GP) idle=7ce/140000000000001/0 softirq=338454/338454 fqs=10
(detected by 0, t=10503 jiffies, g=52966, c=52965, q=242)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 20301 Comm: syz-executor.2 Not tainted 4.14.175-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff888045bd80c0 task.stack: ffff888202240000
RIP: 0010:__lock_acquire+0x69b/0x4620 kernel/locking/lockdep.c:3477
RSP: 0018:ffff8880aeb07980 EFLAGS: 00000046
RAX: dffffc0000000000 RBX: 000000000000003a RCX: 1ffff11008b7b131
RDX: 1ffff11008b7b12d RSI: ffff888045bd8968 RDI: ffffffff8a0a83c0
RBP: ffff8880aeb07b28 R08: 0000000000000001 R09: 00000000000e403a
R10: ffff888045bd8968 R11: ffff888045bd80c0 R12: 0000000000000000
R13: 000000000000003a R14: 0000000000000001 R15: 5e248fa7be8ae36b
FS: 0000000000000000(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c4331e13d0 CR3: 00000001faada000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3994
seqcount_lockdep_reader_access include/linux/seqlock.h:81 [inline]
read_seqcount_begin include/linux/seqlock.h:164 [inline]
ktime_get kernel/time/timekeeping.c:760 [inline]
ktime_get+0xbd/0x2c0 kernel/time/timekeeping.c:750
hrtimer_forward_now include/linux/hrtimer.h:457 [inline]
perf_swevent_hrtimer+0x2b5/0x350 kernel/events/core.c:8741
__run_hrtimer kernel/time/hrtimer.c:1223 [inline]
__hrtimer_run_queues+0x25c/0xbb0 kernel/time/hrtimer.c:1287
hrtimer_interrupt+0x1e6/0x5e0 kernel/time/hrtimer.c:1321
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1075 [inline]
smp_apic_timer_interrupt+0x117/0x5e0 arch/x86/kernel/apic/apic.c:1100
apic_timer_interrupt+0x8f/0xa0 arch/x86/entry/entry_64.S:792
RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 kernel/kcov.c:60
RSP: 0018:ffff8882022477d0 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff10
RAX: 0000000000000001 RBX: dffffc0000000000 RCX: 1ffff11008b7b126
RDX: 0000000000000000 RSI: ffffea0001659780 RDI: ffff888050bc000c
RBP: 8000000000000007 R08: 0000000000000001 R09: 0000000000000001
R10: ffff888045bd8968 R11: ffff888045bd80c0 R12: 00007f7c7a922000
R13: ffff8881f9265910 R14: 800000005965f007 R15: ffffea0001659780
zap_pte_range mm/memory.c:1315 [inline]
zap_pmd_range mm/memory.c:1444 [inline]
zap_pud_range mm/memory.c:1473 [inline]
zap_p4d_range mm/memory.c:1494 [inline]
unmap_page_range+0x7d5/0x1930 mm/memory.c:1515
unmap_single_vma+0x147/0x2b0 mm/memory.c:1560
unmap_vmas+0x9d/0x160 mm/memory.c:1590
exit_mmap+0x26d/0x4b0 mm/mmap.c:3056
__mmput kernel/fork.c:930 [inline]
mmput+0x103/0x420 kernel/fork.c:951
exit_mm kernel/exit.c:545 [inline]
do_exit+0x933/0x2b00 kernel/exit.c:845
do_group_exit+0x100/0x310 kernel/exit.c:955
get_signal+0x385/0x1ca0 kernel/signal.c:2423
do_signal+0x7c/0x1690 arch/x86/kernel/signal.c:814
exit_to_usermode_loop+0x159/0x220 arch/x86/entry/common.c:160
prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline]
syscall_return_slowpath arch/x86/entry/common.c:270 [inline]
do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45c879
RSP: 002b:00007f7c79d36cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000076bf08 RCX: 000000000045c879
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000076bf08
RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000076bf0c
R13: 00007ffd59badaff R14: 00007f7c79d379c0 R15: 000000000076bf0c
Code: 85 59 2e 00 00 4d 8b bb 70 08 00 00 45 31 e4 45 85 f6 41 0f 94 c4 48 b8 00 00 00 00 00 fc ff df 4c 89 d2 48 c1 ea 03 80 3c 02 00 <0f> 85 ae 29 00 00 48 8b 94 24 88 00 00 00 4d 89 3a 48 b8 00 00