rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
(detected by 1, t=10502 jiffies, g=241169, q=37)
rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4295092931-4295082429), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10502 jiffies! g241169 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->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:R running task stack:28728 pid: 14 ppid: 2 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:4986 [inline]
__schedule+0xab2/0x4f00 kernel/sched/core.c:6296
schedule+0xd2/0x260 kernel/sched/core.c:6369
schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1881
rcu_gp_fqs_loop+0x186/0x810 kernel/rcu/tree.c:1963
rcu_gp_kthread+0x1de/0x320 kernel/rcu/tree.c:2136
kthread+0x405/0x4f0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
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: 385 Comm: syz-executor.5 Not tainted 5.16.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:lockdep_recursion_finish kernel/locking/lockdep.c:438 [inline]
RIP: 0010:lock_is_held_type+0xe4/0x140 kernel/locking/lockdep.c:5683
Code: f6 47 22 03 0f 95 c0 45 31 ed 44 39 f0 41 0f 94 c5 48 c7 c7 40 14 ac 89 e8 89 0d 00 00 b8 ff ff ff ff 65 0f c1 05 8c 26 b8 76 <83> f8 01 75 29 9c 58 f6 c4 02 75 3d 48 f7 04 24 00 02 00 00 74 01
RSP: 0018:ffffc90000007d90 EFLAGS: 00000057
RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000001
RDX: 0000000000000000 RSI: 0000000000010001 RDI: 0000000000000000
RBP: ffff8880714d6300 R08: 0000000000000001 R09: 0000000000000003
R10: fffff52000000fac R11: 0000000000000001 R12: ffff888022ee0000
R13: 0000000000000001 R14: 00000000ffffffff R15: ffff888022ee0a88
FS: 00007f07673e1700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32623000 CR3: 0000000026e10000 CR4: 0000000000350ef0
Call Trace:
lock_is_held include/linux/lockdep.h:283 [inline]
advance_sched+0x60/0x9a0 net/sched/sch_taprio.c:715
__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:lock_acquire+0x1ef/0x510 kernel/locking/lockdep.c:5607
Code: bc a5 7e 83 f8 01 0f 85 b4 02 00 00 9c 58 f6 c4 02 0f 85 9f 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24
RSP: 0018:ffffc90010bcfbc8 EFLAGS: 00000206
RAX: dffffc0000000000 RBX: 1ffff92002179f7b RCX: 0000000000009162
RDX: 1ffff110045dc14b RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000001 R08: 0000000000000000 R09: ffffffff8ffb7a47
R10: fffffbfff1ff6f48 R11: 0000000000000001 R12: 0000000000000001
R13: 0000000000000000 R14: ffffffff8ba2fc70 R15: 0000000000000000
percpu_down_read include/linux/percpu-rwsem.h:51 [inline]
cpus_read_lock+0x3e/0x140 kernel/cpu.c:309
clock_was_set+0x124/0x790 kernel/time/hrtimer.c:960
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: 0033:0x7f0768a6bfe9
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:00007f07673e1168 EFLAGS: 00000246 ORIG_RAX: 00000000000000e3
RAX: ffffffffffffffda RBX: 00007f0768b7ef60 RCX: 00007f0768a6bfe9
RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000000
RBP: 00007f0768ac608d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd7694b79f R14: 00007f07673e1300 R15: 0000000000022000
----------------
Code disassembly (best guess):
0: f6 47 22 03 testb $0x3,0x22(%rdi)
4: 0f 95 c0 setne %al
7: 45 31 ed xor %r13d,%r13d
a: 44 39 f0 cmp %r14d,%eax
d: 41 0f 94 c5 sete %r13b
11: 48 c7 c7 40 14 ac 89 mov $0xffffffff89ac1440,%rdi
18: e8 89 0d 00 00 callq 0xda6
1d: b8 ff ff ff ff mov $0xffffffff,%eax
22: 65 0f c1 05 8c 26 b8 xadd %eax,%gs:0x76b8268c(%rip) # 0x76b826b6
29: 76
* 2a: 83 f8 01 cmp $0x1,%eax <-- trapping instruction
2d: 75 29 jne 0x58
2f: 9c pushfq
30: 58 pop %rax
31: f6 c4 02 test $0x2,%ah
34: 75 3d jne 0x73
36: 48 f7 04 24 00 02 00 testq $0x200,(%rsp)
3d: 00
3e: 74 01 je 0x41