watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [ksoftirqd/0:13] Modules linked in: irq event stamp: 1008913 hardirqs last enabled at (1008912): [] __raw_spin_unlock_irq include/linux/spinlock_api_smp.h:159 [inline] hardirqs last enabled at (1008912): [] _raw_spin_unlock_irq+0x3c/0x70 kernel/locking/spinlock.c:202 hardirqs last disabled at (1008913): [] __el1_irq arch/arm64/kernel/entry-common.c:455 [inline] hardirqs last disabled at (1008913): [] el1_interrupt+0x24/0x68 arch/arm64/kernel/entry-common.c:473 softirqs last enabled at (488422): [] _stext+0x2e4/0x37c softirqs last disabled at (488427): [] run_ksoftirqd+0x4c/0x2d4 kernel/softirq.c:934 CPU: 0 PID: 13 Comm: ksoftirqd/0 Not tainted 6.0.0-rc3-syzkaller-16800-g85413d1e802e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 pstate: 00400005 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : check_kcov_mode kernel/kcov.c:166 [inline] pc : write_comp_data kernel/kcov.c:229 [inline] pc : __sanitizer_cov_trace_const_cmp1+0x48/0xc4 kernel/kcov.c:283 lr : pie_calculate_probability+0x44/0x3e0 net/sched/sch_pie.c:311 sp : ffff80000f293b60 x29: ffff80000f293b90 x28: dead000000000122 x27: ffff80000f293cb8 x26: ffff0000ceba0700 x25: 0000000000000000 x24: ffff80000b3aafe8 x23: 0000000000000131 x22: ffff0000ceba06c0 x21: 0000000000000000 x20: 0000000000000000 x19: ffff0000cecc8500 x18: fffffffffffffff5 x17: ffff80000dd7a698 x16: ffff80000dbb8658 x15: ffff0000c02d8000 x14: 00000000000000b8 x13: 00000000ffffffff x12: ffff0000c02d8000 x11: ff8080000b3a7fa8 x10: 0000000000000101 x9 : ffff0000c02d8000 x8 : ffff80000b3a7fa8 x7 : ffff80000b3ab024 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000 Call trace: preempt_count arch/arm64/include/asm/preempt.h:13 [inline] check_kcov_mode kernel/kcov.c:166 [inline] write_comp_data kernel/kcov.c:229 [inline] __sanitizer_cov_trace_const_cmp1+0x48/0xc4 kernel/kcov.c:283 fq_pie_timer+0x70/0x11c net/sched/sch_fq_pie.c:383 call_timer_fn+0x90/0x144 kernel/time/timer.c:1474 expire_timers kernel/time/timer.c:1519 [inline] __run_timers+0x280/0x374 kernel/time/timer.c:1790 run_timer_softirq+0x34/0x5c kernel/time/timer.c:1803 _stext+0x168/0x37c run_ksoftirqd+0x4c/0x2d4 kernel/softirq.c:934 smpboot_thread_fn+0x248/0x46c kernel/smpboot.c:164 kthread+0x12c/0x158 kernel/kthread.c:376 ret_from_fork+0x10/0x20