INFO: task syz-executor.5:18723 can't die for more than 143 seconds. task:syz-executor.5 state:R running task stack:29240 pid:18723 ppid: 6877 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:3777 [inline] __schedule+0xea5/0x21b0 kernel/sched/core.c:4526 preempt_schedule_irq+0xbf/0x1b0 kernel/sched/core.c:4787 irqentry_exit_cond_resched kernel/entry/common.c:356 [inline] irqentry_exit_cond_resched kernel/entry/common.c:348 [inline] irqentry_exit+0x65/0x90 kernel/entry/common.c:386 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:631 RIP: 0010:__sanitizer_cov_trace_pc+0x49/0x60 kernel/kcov.c:203 Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <06> 40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 RSP: 0018:ffffc90009b17d90 EFLAGS: 00000246 RAX: 0000000000000002 RBX: ffff8880a2a87000 RCX: ffffffff81d87acf RDX: 0000000000000000 RSI: ffff88805e75e3c0 RDI: 0000000000000005 RBP: ffff888063ef8000 R08: 0000000000000000 R09: ffff8880a2a87397 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000200 R13: ffff88805e75e3c0 R14: 0000000000000000 R15: dffffc0000000000 Showing all locks held in the system: 1 lock held by khungtaskd/1173: #0: ffffffff89e71c00 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6221 1 lock held by in:imklog/6550: #0: ffff888092c820f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:930 =============================================