rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-...D } 2640 jiffies s: 2353 root: 0x2/. rcu: blocking rcu_node structures (internal RCU debug): Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 5470 Comm: syz-executor.0 Not tainted 6.10.0-rc6-next-20240703-syzkaller-10451-g0b58e108042b #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 RIP: 0010:check_kcov_mode kernel/kcov.c:173 [inline] RIP: 0010:write_comp_data kernel/kcov.c:236 [inline] RIP: 0010:__sanitizer_cov_trace_const_cmp2+0x1f/0x90 kernel/kcov.c:297 Code: 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 4c 8b 04 24 65 48 8b 14 25 40 d7 03 00 65 8b 05 b0 4f 70 7e a9 00 01 ff 00 74 10 00 01 00 00 74 5b 83 ba 1c 16 00 00 00 74 52 8b 82 f8 15 00 00 RSP: 0018:ffffc90000a18c88 EFLAGS: 00000006 RAX: 0000000080010002 RBX: ffff888023833540 RCX: ffff888023833540 RDX: ffff888029b75a00 RSI: 0000000000000002 RDI: 0000000000000000 RBP: 17dfb888005d0000 R08: ffffffff899851df R09: fffff52000143180 R10: dffffc0000000000 R11: fffff52000143180 R12: 0000000000000002 R13: 17dfb888005c0000 R14: ffff888023833400 R15: ffff8880725c5340 FS: 00007f48d6e426c0(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f48d6e42d58 CR3: 000000002979a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: advance_sched+0x4df/0xca0 net/sched/sch_taprio.c:960 __run_hrtimer kernel/time/hrtimer.c:1689 [inline] __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1753 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1815 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x110/0x3f0 arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 kernel/locking/spinlock.c:194 Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 2e 48 5e f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 53 90 c6 f5 65 8b 05 64 d0 67 74 85 c0 74 43 48 c7 04 24 0e 36 RSP: 0018:ffffc900043d7920 EFLAGS: 00000206 RAX: 3681338856c5e000 RBX: 1ffff9200087af28 RCX: ffffffff816fddda RDX: dffffc0000000000 RSI: ffffffff8bcac900 RDI: 0000000000000001 RBP: ffffc900043d79b0 R08: ffffffff93010787 R09: 1ffffffff26020f0 R10: dffffc0000000000 R11: fffffbfff26020f1 R12: dffffc0000000000 R13: 1ffff9200087af24 R14: ffffc900043d7940 R15: 0000000000000246 clock_was_set+0x686/0x810 kernel/time/hrtimer.c:968 timekeeping_inject_offset+0x4e8/0x580 kernel/time/timekeeping.c:1524 do_adjtimex+0x515/0xab0 kernel/time/timekeeping.c:2574 do_clock_adjtime kernel/time/posix-timers.c:1159 [inline] __do_sys_clock_adjtime kernel/time/posix-timers.c:1171 [inline] __se_sys_clock_adjtime kernel/time/posix-timers.c:1162 [inline] __x64_sys_clock_adjtime+0x1e1/0x290 kernel/time/posix-timers.c:1162 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f48d607cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 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 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f48d6e420c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000131 RAX: ffffffffffffffda RBX: 00007f48d619c050 RCX: 00007f48d607cae9 RDX: 0000000000000000 RSI: 0000000020000200 RDI: 0000000000000000 RBP: 00007f48d60c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f48d619c050 R15: 00007ffe2d11c3b8