rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 1-...0: (1 GPs behind) idle=a83/1/0x4000000000000000 softirq=68368/68369 fqs=5250
(detected by 0, t=10502 jiffies, g=77081, q=801)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 18447 Comm: syz-executor.1 Tainted: G W 5.17.0-syzkaller-11138-gf022814633e1 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__sanitizer_cov_trace_const_cmp4+0x0/0xa0 kernel/kcov.c:288
Code: 54 f9 08 48 c1 e0 03 48 83 c8 18 48 89 34 01 4c 89 44 f9 18 49 ff c2 4c 89 11 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 <4c> 8b 04 24 65 48 8b 14 25 80 6f 02 00 65 8b 05 54 19 7c 7e a9 00
RSP: 0018:ffffc900001e0cf0 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 0000000000000001 RCX: dffffc0000000000
RDX: ffff888048e5d700 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff81756929 R09: fffffbfff1c41aee
R10: fffffbfff1c41aee R11: 0000000000000000 R12: ffff8880b9b2a500
R13: dffffc0000000000 R14: ffff8880b9b2a648 R15: ffff888077821340
FS: 00005555573c6400(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000040 CR3: 000000004c4ed000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
trace_hrtimer_start+0xba/0x270 include/trace/events/timer.h:195
debug_activate kernel/time/hrtimer.c:476 [inline]
enqueue_hrtimer kernel/time/hrtimer.c:1084 [inline]
__run_hrtimer kernel/time/hrtimer.c:1702 [inline]
__hrtimer_run_queues+0x59e/0xa60 kernel/time/hrtimer.c:1749
hrtimer_interrupt+0x3b3/0x1040 kernel/time/hrtimer.c:1811
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1086 [inline]
__sysvec_apic_timer_interrupt+0xf9/0x270 arch/x86/kernel/apic/apic.c:1103
sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20
RIP: 0010:__syscall_enter_from_user_work kernel/entry/common.c:88 [inline]
RIP: 0010:syscall_enter_from_user_mode+0x38/0x1b0 kernel/entry/common.c:109
Code: 89 fe 48 8b 7c 24 30 e8 56 f6 ff ff e9 67 01 00 00 e9 6b 01 00 00 e8 27 76 64 f7 e8 32 74 64 f7 fb 65 4c 8b 3c 25 80 6f 02 00 <49> 8b 5f 08 f6 c3 3f 0f 84 d0 00 00 00 f6 c3 20 74 17 4c 89 f7 e8
RSP: 0018:ffffc9000a607f10 EFLAGS: 00000282
RAX: 4d0cd1b425d20a00 RBX: ffffc9000a607f58 RCX: ffff888048e5d700
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffffffff8a28862e
RBP: 0000000000000000 R08: ffffffff818cfa90 R09: fffffbfff1c41aee
R10: fffffbfff1c41aee R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000003 R14: ffffc9000a607f58 R15: ffff888048e5d700
do_syscall_64+0xc/0x70 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7efc77e3bc8b
Code: 0f 05 48 3d 00 f0 ff ff 77 45 c3 0f 1f 40 00 48 83 ec 18 89 7c 24 0c e8 63 fc ff ff 8b 7c 24 0c 41 89 c0 b8 03 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 44 89 c7 89 44 24 0c e8 a1 fc ff ff 8b 44
RSP: 002b:00007ffe298c6a70 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000017 RCX: 00007efc77e3bc8b
RDX: ffffffffffffffb8 RSI: ffffffffffffffff RDI: 0000000000000016
RBP: 0000000000000000 R08: 0000000000000000 R09: 00007efc77fa0400
R10: 00007ffe298c6990 R11: 0000000000000293 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffe298c6b50
----------------
Code disassembly (best guess):
0: 54 push %rsp
1: f9 stc
2: 08 48 c1 or %cl,-0x3f(%rax)
5: e0 03 loopne 0xa
7: 48 83 c8 18 or $0x18,%rax
b: 48 89 34 01 mov %rsi,(%rcx,%rax,1)
f: 4c 89 44 f9 18 mov %r8,0x18(%rcx,%rdi,8)
14: 49 ff c2 inc %r10
17: 4c 89 11 mov %r10,(%rcx)
1a: c3 retq
1b: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1)
22: 00 00 00
25: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
* 2a: 4c 8b 04 24 mov (%rsp),%r8 <-- trapping instruction
2e: 65 48 8b 14 25 80 6f mov %gs:0x26f80,%rdx
35: 02 00
37: 65 8b 05 54 19 7c 7e mov %gs:0x7e7c1954(%rip),%eax # 0x7e7c1992
3e: a9 .byte 0xa9