rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 1-...0: (1 GPs behind) idle=65b/1/0x4000000000000000 softirq=147612/147613 fqs=5246
(detected by 0, t=10502 jiffies, g=236237, q=695)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 20542 Comm: syz-executor.2 Not tainted 5.16.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:pv_queued_spin_unlock arch/x86/include/asm/paravirt.h:596 [inline]
RIP: 0010:queued_spin_unlock arch/x86/include/asm/qspinlock.h:56 [inline]
RIP: 0010:do_raw_spin_unlock+0x167/0x230 kernel/locking/spinlock_debug.c:141
Code: 80 9f 8b c7 45 08 ff ff ff ff 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 b7 00 00 00 48 83 3d 71 2d 43 0a 00 <74> 4c 48 89 ef e8 af db ff ff 66 90 5d 41 5c 41 5d c3 48 c7 c6 a0
RSP: 0018:ffffc90000fd8da0 EFLAGS: 00000082
RAX: 1ffffffff173f005 RBX: ffff888020380340 RCX: ffffffff815c51a0
RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffff8880203802e8
RBP: ffff8880203802e8 R08: 0000000000000000 R09: ffff8880203802eb
R10: ffffed100407005d R11: 0000000000000001 R12: ffff8880203802f0
R13: ffff8880203802f8 R14: ffff88807f7dfc20 R15: 1792db0e2f25b61c
FS: 00007f4bdbd95700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd9f0dcff8 CR3: 00000000214b5000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__raw_spin_unlock include/linux/spinlock_api_smp.h:142 [inline]
_raw_spin_unlock+0x1a/0x40 kernel/locking/spinlock.c:186
spin_unlock include/linux/spinlock.h:389 [inline]
advance_sched+0x435/0x9a0 net/sched/sch_taprio.c:763
__run_hrtimer kernel/time/hrtimer.c:1685 [inline]
__hrtimer_run_queues+0x609/0xe50 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+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x38/0x70 kernel/locking/spinlock.c:194
Code: 74 24 10 e8 ea 05 15 f8 48 89 ef e8 a2 7b 15 f8 81 e3 00 02 00 00 75 25 9c 58 f6 c4 02 75 2d 48 85 db 74 01 fb bf 01 00 00 00 33 46 08 f8 65 8b 05 2c 9a bb 76 85 c0 74 0a 5b 5d c3 e8 a0 32
RSP: 0018:ffffc90003097cb0 EFLAGS: 00000206
RAX: 0000000000000002 RBX: 0000000000000200 RCX: 1ffffffff1fef676
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001
RBP: ffff8880b9c2a400 R08: 0000000000000001 R09: ffffffff8ff7aa07
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000004
R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
clock_was_set+0x56d/0x790 kernel/time/hrtimer.c:970
do_settimeofday64 kernel/time/timekeeping.c:1326 [inline]
do_settimeofday64+0x3b9/0x5b0 kernel/time/timekeeping.c:1293
do_sys_settimeofday64 kernel/time/time.c:195 [inline]
do_sys_settimeofday64+0x1de/0x260 kernel/time/time.c:169
__do_sys_clock_settime kernel/time/posix-timers.c:1079 [inline]
__se_sys_clock_settime kernel/time/posix-timers.c:1067 [inline]
__x64_sys_clock_settime+0x1a1/0x280 kernel/time/posix-timers.c:1067
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: 0033:0x7f4bdd41fe99
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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f4bdbd95168 EFLAGS: 00000246 ORIG_RAX: 00000000000000e3
RAX: ffffffffffffffda RBX: 00007f4bdd532f60 RCX: 00007f4bdd41fe99
RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000000000000
RBP: 00007f4bdd479ff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffc7c9ffaf R14: 00007f4bdbd95300 R15: 0000000000022000
----------------
Code disassembly (best guess), 3 bytes skipped:
0: c7 45 08 ff ff ff ff movl $0xffffffff,0x8(%rbp)
7: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx
e: fc ff df
11: 48 c1 e8 03 shr $0x3,%rax
15: 80 3c 10 00 cmpb $0x0,(%rax,%rdx,1)
19: 0f 85 b7 00 00 00 jne 0xd6
1f: 48 83 3d 71 2d 43 0a cmpq $0x0,0xa432d71(%rip) # 0xa432d98
26: 00
* 27: 74 4c je 0x75 <-- trapping instruction
29: 48 89 ef mov %rbp,%rdi
2c: e8 af db ff ff callq 0xffffdbe0
31: 66 90 xchg %ax,%ax
33: 5d pop %rbp
34: 41 5c pop %r12
36: 41 5d pop %r13
38: c3 retq
39: 48 rex.W
3a: c7 .byte 0xc7
3b: c6 (bad)
3c: a0 .byte 0xa0