INFO: task syz-executor.1:25234 can't die for more than 143 seconds. task:syz-executor.1 state:D stack:27440 pid:25234 ppid: 7626 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:4986 [inline] __schedule+0xab2/0x4d90 kernel/sched/core.c:6296 schedule+0xd2/0x260 kernel/sched/core.c:6369 schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1881 reclaim_throttle+0x1ce/0x5e0 mm/vmscan.c:1072 consider_reclaim_throttle mm/vmscan.c:3399 [inline] shrink_zones mm/vmscan.c:3486 [inline] do_try_to_free_pages+0x7cd/0x1620 mm/vmscan.c:3541 try_to_free_mem_cgroup_pages+0x2cd/0x840 mm/vmscan.c:3855 reclaim_high.constprop.0+0x190/0x250 mm/memcontrol.c:2299 mem_cgroup_handle_over_high+0x18c/0x540 mm/memcontrol.c:2483 tracehook_notify_resume include/linux/tracehook.h:198 [inline] exit_to_user_mode_loop kernel/entry/common.c:175 [inline] exit_to_user_mode_prepare+0x1ab/0x290 kernel/entry/common.c:207 irqentry_exit_to_user_mode+0x5/0x40 kernel/entry/common.c:313 exc_page_fault+0xc6/0x180 arch/x86/mm/fault.c:1543 asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568 RIP: 0033:0x7f1e307360d0 RSP: 002b:00007ffd32e65d40 EFLAGS: 00010246 RAX: 000000004135a78c RBX: 00007f1e3089aff8 RCX: 0000001b30520000 RDX: 0000000000000000 RSI: 0000001b30520014 RDI: 0000000000000022 RBP: 000000004135a78c R08: 000000000000078c R09: 000000004135a790 R10: 00007ffd32e65f10 R11: 0000000000000246 R12: 00007f1e3088f000 R13: 0000000000000001 R14: 0000000000000000 R15: ffffffff819ceee6 Showing all locks held in the system: 1 lock held by khungtaskd/26: #0: ffffffff8bb818a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6460 2 locks held by getty/3279: #0: ffff88814a9cb098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:244 #1: ffffc90002b962e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xcf0/0x1230 drivers/tty/n_tty.c:2077 1 lock held by udevd/3644: 2 locks held by udevd/3964: #0: ffff88807e5b6460 (sb_writers#3){.+.+}-{0:0}, at: do_renameat2+0x37b/0xc80 fs/namei.c:4764 #1: ffffffff8bb818a0 (rcu_read_lock){....}-{1:2}, at: do_perf_sw_event kernel/events/core.c:9430 [inline] #1: ffffffff8bb818a0 (rcu_read_lock){....}-{1:2}, at: ___perf_sw_event+0x137/0x570 kernel/events/core.c:9472 3 locks held by udevd/3967: #0: ffff8880b9d39c98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 kernel/sched/core.c:489 #1: ffffffff8bb818a0 (rcu_read_lock){....}-{1:2}, at: is_bpf_text_address+0x0/0x170 kernel/bpf/core.c:702 #2: ffffffff8bb818a0 (rcu_read_lock){....}-{1:2}, at: need_seqretry include/linux/seqlock.h:1158 [inline] #2: ffffffff8bb818a0 (rcu_read_lock){....}-{1:2}, at: prepend_path+0x25f/0xea0 fs/d_path.c:182 2 locks held by kworker/u4:12/13256: #0: ffff8880b9c39c98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 kernel/sched/core.c:489 #1: ffffffff8bb818a0 (rcu_read_lock){....}-{1:2}, at: do_perf_sw_event kernel/events/core.c:9430 [inline] #1: ffffffff8bb818a0 (rcu_read_lock){....}-{1:2}, at: ___perf_sw_event+0x137/0x570 kernel/events/core.c:9472 3 locks held by kworker/u4:18/13873: =============================================