rcu: INFO: rcu_preempt self-detected stall on CPU
rcu: 	1-....: (10499 ticks this GP) idle=aa2/1/0x4000000000000004 softirq=479413/479413 fqs=5182 
rcu: 	 (t=10500 jiffies g=563753 q=577)
NMI backtrace for cpu 1
CPU: 1 PID: 29611 Comm: syz-executor.0 Not tainted 4.19.141-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2fe lib/dump_stack.c:118
 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x1a6/0x1eb lib/nmi_backtrace.c:62
 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline]
 rcu_dump_cpu_stacks+0x15f/0x19c kernel/rcu/tree.c:1340
 print_cpu_stall kernel/rcu/tree.c:1478 [inline]
 check_cpu_stall kernel/rcu/tree.c:1550 [inline]
 __rcu_pending kernel/rcu/tree.c:3293 [inline]
 rcu_pending kernel/rcu/tree.c:3336 [inline]
 rcu_check_callbacks.cold+0x62d/0xe19 kernel/rcu/tree.c:2682
 update_process_times+0x2a/0xb0 kernel/time/timer.c:1650
 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:168
 tick_sched_timer+0xfc/0x290 kernel/time/tick-sched.c:1278
 __run_hrtimer kernel/time/hrtimer.c:1401 [inline]
 __hrtimer_run_queues+0x3f6/0xe60 kernel/time/hrtimer.c:1463
 hrtimer_interrupt+0x32a/0x930 kernel/time/hrtimer.c:1521
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1067 [inline]
 smp_apic_timer_interrupt+0x10c/0x550 arch/x86/kernel/apic/apic.c:1092
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
RIP: 0010:bytes_is_nonzero mm/kasan/kasan.c:167 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/kasan.c:184 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/kasan.c:210 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/kasan.c:241 [inline]
RIP: 0010:check_memory_region_inline mm/kasan/kasan.c:257 [inline]
RIP: 0010:check_memory_region+0xc8/0x170 mm/kasan/kasan.c:267
Code: 39 d0 74 0e 80 38 00 74 f2 48 85 c0 0f 85 9c 00 00 00 5b 5d 41 5c c3 48 85 d2 74 f6 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 e8 <80> 38 00 74 f2 eb d8 41 bc 08 00 00 00 48 89 ea 45 29 dc 4e 8d 5c
RSP: 0018:ffff8880ae707c98 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
RAX: ffffed100019e7bc RBX: ffffed100019e7bd RCX: ffffffff8152563b
RDX: ffffed100019e7bd RSI: 0000000000000004 RDI: ffff888000cf3de0
RBP: ffffed100019e7bc R08: 0000000000000001 R09: ffffed100019e7bc
R10: ffff888000cf3de3 R11: 0000000000000000 R12: ffff888000cf3de8
R13: ffff888000cf3df0 R14: 0000000000000000 R15: 0000000000000000
 atomic_cmpxchg include/asm-generic/atomic-instrumented.h:57 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:85 [inline]
 do_raw_spin_lock+0xcb/0x220 kernel/locking/spinlock_debug.c:113
 spin_lock include/linux/spinlock.h:329 [inline]
 mrp_join_timer+0x23/0xc0 net/802/mrp.c:593
 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338
 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375
 __run_timers kernel/time/timer.c:1703 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1716
 __do_softirq+0x26c/0x9a0 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x215/0x260 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:544 [inline]
 smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:unwind_next_frame+0x450/0x1c60 arch/x86/kernel/unwind_orc.c:434
Code: b8 00 00 00 00 00 fc ff df 4c 89 c2 48 c1 ea 03 0f b6 04 02 4c 89 c2 83 e2 07 38 d0 7f 08 84 c0 0f 85 80 10 00 00 0f b6 41 04 <a8> 0f 0f 85 a9 00 00 00 48 8d 79 05 48 b8 00 00 00 00 00 fc ff df
RSP: 0018:ffff88820e99f908 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000015 RBX: 1ffff11041d33f29 RCX: ffffffff8a1ab162
RDX: 0000000000000006 RSI: ffffffff8a1ab132 RDI: ffffffff89c2ed1c
RBP: 0000000000000001 R08: ffffffff8a1ab166 R09: ffffffff8a1ab132
R10: 0000000000066061 R11: 000000000002b829 R12: ffff88820e99fa38
R13: ffff88820e99fa25 R14: ffff88820e99fa28 R15: ffff88820e99f9f0
 __save_stack_trace+0x9f/0x190 arch/x86/kernel/stacktrace.c:44
 save_stack mm/kasan/kasan.c:448 [inline]
 set_track mm/kasan/kasan.c:460 [inline]
 kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:553
 slab_post_alloc_hook mm/slab.h:445 [inline]
 slab_alloc mm/slab.c:3397 [inline]
 kmem_cache_alloc+0x110/0x370 mm/slab.c:3557
 __d_alloc+0x2b/0xa10 fs/dcache.c:1610
 d_alloc_pseudo+0x19/0x70 fs/dcache.c:1741
 alloc_file_pseudo+0xc6/0x250 fs/file_table.c:224
 anon_inode_getfile fs/anon_inodes.c:87 [inline]
 anon_inode_getfile+0xc8/0x1f0 fs/anon_inodes.c:70
 do_epoll_create+0xf8/0x1c0 fs/eventpoll.c:1972
 __do_sys_epoll_create1 fs/eventpoll.c:1991 [inline]
 __se_sys_epoll_create1 fs/eventpoll.c:1989 [inline]
 __x64_sys_epoll_create1+0x2d/0x40 fs/eventpoll.c:1989
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45d579
Code: 5d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007efc09546c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000123
RAX: ffffffffffffffda RBX: 0000000000002a80 RCX: 000000000045d579
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 000000000118cf70 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c
R13: 00007ffc0bae746f R14: 00007efc095479c0 R15: 000000000118cf4c
rcu: INFO: rcu_sched detected stalls on CPUs/tasks:
rcu: 	1-....: (10503 ticks this GP) idle=aa2/1/0x4000000000000002 softirq=479409/479413 fqs=5174 
rcu: 	(detected by 0, t=10547 jiffies, g=113765, q=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 29611 Comm: syz-executor.0 Not tainted 4.19.141-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:23 [inline]
RIP: 0010:static_key_false include/linux/jump_label.h:138 [inline]
RIP: 0010:native_write_msr+0x6/0x20 arch/x86/include/asm/msr.h:164
Code: 41 5c c3 48 c1 e2 20 89 cf 49 89 d4 8b 16 49 09 c4 4c 89 e6 e8 6b cc 43 02 4c 89 e0 41 5c c3 0f 1f 44 00 00 89 f9 89 f0 0f 30 <0f> 1f 44 00 00 c3 48 c1 e2 20 89 f6 48 09 d6 31 d2 e9 d4 c9 43 02
RSP: 0018:ffff8880ae707b98 EFLAGS: 00000046
RAX: 0000000000000041 RBX: 0000000000000838 RCX: 0000000000000838
RDX: 0000000000000000 RSI: 0000000000000041 RDI: 0000000000000838
RBP: ffff8880ae71f140 R08: ffffffff8ad37058 R09: 0000000000000000
R10: 0000000000000007 R11: ffffffff8ad3705b R12: 0000000000000041
R13: 0000000000000000 R14: 0000000000000000 R15: ffff8880ae725bc0
FS:  00007efc09547700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31126000 CR3: 0000000215b36000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 paravirt_write_msr arch/x86/include/asm/paravirt.h:117 [inline]
 native_apic_msr_write+0x53/0x80 arch/x86/include/asm/apic.h:209
 apic_write arch/x86/include/asm/apic.h:397 [inline]
 lapic_next_event+0x4d/0x80 arch/x86/kernel/apic/apic.c:459
 clockevents_program_event+0x234/0x350 kernel/time/clockevents.c:344
 tick_program_event+0xac/0x140 kernel/time/tick-oneshot.c:48
 hrtimer_interrupt+0x49b/0x930 kernel/time/hrtimer.c:1534
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1067 [inline]
 smp_apic_timer_interrupt+0x10c/0x550 arch/x86/kernel/apic/apic.c:1092
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x50/0x80 kernel/locking/spinlock.c:192
Code: c0 58 5b d2 88 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 31 48 83 3d b1 e0 94 01 00 74 25 fb 66 0f 1f 44 00 00 <bf> 01 00 00 00 e8 56 25 0a fa 65 8b 05 0f 73 c4 78 85 c0 74 02 5d
RSP: 0018:ffff8880ae707dd0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13
RAX: 1ffffffff11a4b6b RBX: dffffc0000000000 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff888000e10d04
RBP: ffff8880ae723a40 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff85cbd5b0
R13: ffff8880ae723a40 R14: ffff8880ae707e70 R15: 0000000000000000
 expire_timers+0x238/0x4e0 kernel/time/timer.c:1374
 __run_timers kernel/time/timer.c:1703 [inline]
 run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1716
 __do_softirq+0x26c/0x9a0 kernel/softirq.c:292
 invoke_softirq kernel/softirq.c:372 [inline]
 irq_exit+0x215/0x260 kernel/softirq.c:412
 exiting_irq arch/x86/include/asm/apic.h:544 [inline]
 smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1094
 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894
 </IRQ>
RIP: 0010:unwind_next_frame+0x450/0x1c60 arch/x86/kernel/unwind_orc.c:434
Code: b8 00 00 00 00 00 fc ff df 4c 89 c2 48 c1 ea 03 0f b6 04 02 4c 89 c2 83 e2 07 38 d0 7f 08 84 c0 0f 85 80 10 00 00 0f b6 41 04 <a8> 0f 0f 85 a9 00 00 00 48 8d 79 05 48 b8 00 00 00 00 00 fc ff df
RSP: 0018:ffff88820e99f908 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000015 RBX: 1ffff11041d33f29 RCX: ffffffff8a1ab162
RDX: 0000000000000006 RSI: ffffffff8a1ab132 RDI: ffffffff89c2ed1c
RBP: 0000000000000001 R08: ffffffff8a1ab166 R09: ffffffff8a1ab132
R10: 0000000000066061 R11: 000000000002b829 R12: ffff88820e99fa38
R13: ffff88820e99fa25 R14: ffff88820e99fa28 R15: ffff88820e99f9f0
 __save_stack_trace+0x9f/0x190 arch/x86/kernel/stacktrace.c:44
 save_stack mm/kasan/kasan.c:448 [inline]
 set_track mm/kasan/kasan.c:460 [inline]
 kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:553
 slab_post_alloc_hook mm/slab.h:445 [inline]
 slab_alloc mm/slab.c:3397 [inline]
 kmem_cache_alloc+0x110/0x370 mm/slab.c:3557
 __d_alloc+0x2b/0xa10 fs/dcache.c:1610
 d_alloc_pseudo+0x19/0x70 fs/dcache.c:1741
 alloc_file_pseudo+0xc6/0x250 fs/file_table.c:224
 anon_inode_getfile fs/anon_inodes.c:87 [inline]
 anon_inode_getfile+0xc8/0x1f0 fs/anon_inodes.c:70
 do_epoll_create+0xf8/0x1c0 fs/eventpoll.c:1972
 __do_sys_epoll_create1 fs/eventpoll.c:1991 [inline]
 __se_sys_epoll_create1 fs/eventpoll.c:1989 [inline]
 __x64_sys_epoll_create1+0x2d/0x40 fs/eventpoll.c:1989
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45d579
Code: 5d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007efc09546c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000123
RAX: ffffffffffffffda RBX: 0000000000002a80 RCX: 000000000045d579
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 000000000118cf70 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c
R13: 00007ffc0bae746f R14: 00007efc095479c0 R15: 000000000118cf4c