INFO: task syz-executor.1:16244 can't die for more than 143 seconds. task:syz-executor.1 state:R running task stack:26936 pid:16244 ppid: 8533 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:4325 [inline] __schedule+0x8eb/0x21b0 kernel/sched/core.c:5076 preempt_schedule_irq+0x4e/0x90 kernel/sched/core.c:5338 irqentry_exit_cond_resched kernel/entry/common.c:393 [inline] irqentry_exit_cond_resched kernel/entry/common.c:385 [inline] irqentry_exit+0x7a/0xa0 kernel/entry/common.c:423 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:628 RIP: 0010:__local_bh_enable_ip+0xa4/0x110 kernel/softirq.c:203 Code: Unable to access opcode bytes at RIP 0xffffffffffffffd6. RSP: 814347e7:ffffffff87469958 EFLAGS: 00000000 ORIG_RAX: ffffffff81574227 RAX: 0000000080000000 RBX: 0000000000000010 RCX: 0000000000000000 RDX: ffffffff8a6d78e0 RSI: 00000000000008ae RDI: 0000000000000000 RBP: ffffffff8aef7b05 R08: ffffffff87469958 R09: ffffffff814347af R10: fffffbfff1e9fced R11: 0000000000000000 R12: 000000000000babf R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Showing all locks held in the system: 3 locks held by kworker/u4:3/160: 1 lock held by khungtaskd/1651: #0: ffffffff8b78db60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x28c kernel/locking/lockdep.c:6254 1 lock held by in:imklog/8205: #0: ffff8880264c80f0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:923 2 locks held by agetty/8428: #0: ffff88801a882098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:266 #1: ffffc90000f7c2e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x21d/0x1ac0 drivers/tty/n_tty.c:2158 3 locks held by kworker/u4:6/15515: 2 locks held by syz-executor.1/16244: 1 lock held by syz-executor.2/16841: 2 locks held by syz-executor.5/16845: =============================================