[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 39.355418] audit: type=1800 audit(1545744619.950:25): pid=7895 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 39.384771] audit: type=1800 audit(1545744619.950:26): pid=7895 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 39.420560] audit: type=1800 audit(1545744619.950:27): pid=7895 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.15.221' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 75.633170] syz-executor431 (16714) used greatest stack depth: 11112 bytes left [ 75.640661] syz-executor431 (16715) used greatest stack depth: 7080 bytes left executing program executing program executing program executing program executing program executing program [ 82.060523] sshd invoked oom-killer: gfp_mask=0x6200ca(GFP_HIGHUSER_MOVABLE), nodemask=(null), order=0, oom_score_adj=0 [ 82.071983] sshd cpuset=/ mems_allowed=0 [ 82.079565] CPU: 1 PID: 8043 Comm: sshd Not tainted 4.20.0 #387 [ 82.085640] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 82.094992] Call Trace: [ 82.097596] dump_stack+0x1d3/0x2c6 [ 82.101235] ? dump_stack_print_info.cold.1+0x20/0x20 [ 82.106445] dump_header+0x27b/0xf72 [ 82.110175] ? mark_held_locks+0x130/0x130 [ 82.114431] ? pagefault_out_of_memory+0x197/0x197 [ 82.119374] ? __lock_acquire+0x62f/0x4c20 [ 82.123617] ? lockdep_hardirqs_on+0x421/0x5c0 [ 82.128210] ? trace_hardirqs_on+0xbd/0x310 [ 82.132537] ? kasan_check_read+0x11/0x20 [ 82.136696] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 82.142158] ? graph_lock+0x270/0x270 [ 82.145965] ? print_usage_bug+0xc0/0xc0 [ 82.150042] ? _raw_spin_unlock_irq+0x60/0x80 [ 82.154549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 82.160112] ? find_held_lock+0x36/0x1c0 [ 82.164189] ? mark_held_locks+0xc7/0x130 [ 82.168350] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 82.173479] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 82.178589] ? lockdep_hardirqs_on+0x421/0x5c0 [ 82.183202] ? trace_hardirqs_on+0xbd/0x310 [ 82.187547] ? kasan_check_read+0x11/0x20 [ 82.191699] ? ___ratelimit+0x36f/0x655 [ 82.195698] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 82.201162] ? trace_hardirqs_on+0x310/0x310 [ 82.205579] ? lock_downgrade+0x900/0x900 [ 82.209756] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 82.214869] ? ___ratelimit+0xaa/0x655 [ 82.218765] ? idr_get_free+0xf70/0xf70 [ 82.222761] oom_kill_process.cold.27+0x10/0x903 [ 82.227521] ? graph_lock+0x270/0x270 [ 82.231364] ? rcu_gp_kthread+0xc70/0xc70 [ 82.235551] ? oom_evaluate_task+0x540/0x540 [ 82.239967] ? find_held_lock+0x36/0x1c0 [ 82.244058] ? out_of_memory+0x974/0x1430 [ 82.248218] ? lock_downgrade+0x900/0x900 [ 82.252371] ? __rcu_read_unlock+0x2d6/0x2e0 [ 82.256784] ? rcu_read_unlock_special+0x1d0/0x1d0 [ 82.261735] ? kasan_check_read+0x11/0x20 [ 82.265893] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 82.271176] ? rcu_softirq_qs+0x20/0x20 [ 82.275166] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 82.280187] ? oom_evaluate_task+0x302/0x540 [ 82.284609] out_of_memory+0xa84/0x1430 [ 82.288595] ? oom_killer_disable+0x3a0/0x3a0 [ 82.293103] ? __alloc_pages_slowpath+0xf5c/0x2df0 [ 82.298055] ? __ww_mutex_check_waiters+0x160/0x160 [ 82.303090] __alloc_pages_slowpath+0x2343/0x2df0 [ 82.307967] ? warn_alloc+0x120/0x120 [ 82.311776] ? find_get_entry+0xaae/0x1120 [ 82.316041] ? filemap_map_pages+0x1a30/0x1a30 [ 82.320644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 82.326191] ? print_usage_bug+0xc0/0xc0 [ 82.330267] ? graph_lock+0x270/0x270 [ 82.334098] ? __lock_is_held+0xb5/0x140 [ 82.338177] ? ___might_sleep+0x1ed/0x300 [ 82.342329] ? lock_release+0xa00/0xa00 [ 82.346403] ? arch_local_save_flags+0x40/0x40 [ 82.350989] ? xa_load+0x2ba/0x460 [ 82.354536] ? lock_downgrade+0x900/0x900 [ 82.358691] ? check_preemption_disabled+0x48/0x280 [ 82.363720] ? __might_sleep+0x95/0x190 [ 82.367705] __alloc_pages_nodemask+0xad8/0xea0 [ 82.372391] ? __alloc_pages_slowpath+0x2df0/0x2df0 [ 82.377412] ? xa_load+0x2e1/0x460 [ 82.380957] ? xa_clear_mark+0x40/0x40 [ 82.384865] ? up_read_non_owner+0x100/0x100 [ 82.389276] ? graph_lock+0x270/0x270 [ 82.393102] ? print_usage_bug+0xc0/0xc0 [ 82.397173] ? graph_lock+0x270/0x270 [ 82.400978] ? graph_lock+0x270/0x270 [ 82.404815] ? __do_page_cache_readahead+0x663/0x810 [ 82.409946] ? find_held_lock+0x36/0x1c0 [ 82.414022] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 82.419583] alloc_pages_current+0x10c/0x210 [ 82.424001] ? lock_downgrade+0x900/0x900 [ 82.428171] __page_cache_alloc+0x38c/0x5b0 [ 82.432500] ? rcu_read_unlock_special+0x1d0/0x1d0 [ 82.437433] ? kasan_check_read+0x11/0x20 [ 82.441589] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 82.446874] ? filemap_range_has_page+0x4e0/0x4e0 [ 82.451730] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 82.457272] ? check_preemption_disabled+0x48/0x280 [ 82.462304] filemap_fault+0x1595/0x25f0 [ 82.466387] ? __lock_page_or_retry+0xa00/0xa00 [ 82.471072] ? mark_held_locks+0x130/0x130 [ 82.475320] ? filemap_map_pages+0xd78/0x1a30 [ 82.479833] ? lock_downgrade+0x900/0x900 [ 82.483981] ? check_preemption_disabled+0x48/0x280 [ 82.489011] ? rcu_read_unlock_special+0x1d0/0x1d0 [ 82.493978] ? kasan_check_read+0x11/0x20 [ 82.498154] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 82.503467] ? rcu_softirq_qs+0x20/0x20 [ 82.507463] ? filemap_map_pages+0xd9f/0x1a30 [ 82.511971] ? find_get_entries_tag+0x1400/0x1400 [ 82.516848] ? lock_acquire+0x1ed/0x520 [ 82.520834] ? ext4_filemap_fault+0x7a/0xad [ 82.525173] ? lock_release+0xa00/0xa00 [ 82.529156] ? arch_local_save_flags+0x40/0x40 [ 82.533765] ? down_read+0x8d/0x120 [ 82.537434] ? ext4_filemap_fault+0x7a/0xad [ 82.541761] ? __down_interruptible+0x700/0x700 [ 82.546452] ext4_filemap_fault+0x82/0xad [ 82.550608] __do_fault+0x100/0x6b0 [ 82.554244] ? mark_held_locks+0x130/0x130 [ 82.558489] ? lock_downgrade+0x900/0x900 [ 82.562643] ? follow_pfn+0x2e0/0x2e0 [ 82.566448] ? lock_downgrade+0x900/0x900 [ 82.570604] ? kasan_check_read+0x11/0x20 [ 82.574761] ? pmd_val+0x88/0x100 [ 82.578226] ? add_mm_counter_fast+0xd0/0xd0 [ 82.582659] ? pmd_val+0x88/0x100 [ 82.586116] ? add_mm_counter_fast+0xd0/0xd0 [ 82.590538] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 82.596097] __handle_mm_fault+0x3956/0x5670 [ 82.600523] ? __sb_end_write+0xd9/0x110 [ 82.604603] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 82.609451] ? graph_lock+0x270/0x270 [ 82.613266] ? graph_lock+0x270/0x270 [ 82.617093] ? print_usage_bug+0xc0/0xc0 [ 82.621162] ? graph_lock+0x270/0x270 [ 82.624968] ? graph_lock+0x270/0x270 [ 82.628792] ? handle_mm_fault+0x42a/0xc70 [ 82.633052] ? lock_downgrade+0x900/0x900 [ 82.637209] ? check_preemption_disabled+0x48/0x280 [ 82.642250] ? rcu_read_unlock_special+0x1d0/0x1d0 [ 82.647190] ? kasan_check_read+0x11/0x20 [ 82.651346] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 82.656631] ? rcu_softirq_qs+0x20/0x20 [ 82.660617] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 82.666088] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 82.671811] ? check_preemption_disabled+0x48/0x280 [ 82.676874] handle_mm_fault+0x54f/0xc70 [ 82.680954] ? __handle_mm_fault+0x5670/0x5670 [ 82.685558] ? find_vma+0x34/0x190 [ 82.689111] __do_page_fault+0x5e8/0xe60 [ 82.693193] ? trace_hardirqs_off+0xb8/0x310 [ 82.697614] do_page_fault+0xf2/0x7e0 [ 82.701424] ? vmalloc_sync_all+0x30/0x30 [ 82.705744] ? error_entry+0x70/0xd0 [ 82.709464] ? trace_hardirqs_off_caller+0xbb/0x310 [ 82.714491] ? trace_hardirqs_on_caller+0xc0/0x310 [ 82.719429] ? syscall_return_slowpath+0x5e0/0x5e0 [ 82.724362] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 82.729225] ? trace_hardirqs_on_caller+0x310/0x310 [ 82.734245] ? trace_hardirqs_off+0x310/0x310 [ 82.738747] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 82.743772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 82.749323] ? prepare_exit_to_usermode+0x291/0x3b0 [ 82.754347] ? page_fault+0x8/0x30 [ 82.757901] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 82.762768] ? page_fault+0x8/0x30 [ 82.766337] page_fault+0x1e/0x30 [ 82.769806] RIP: 0033:0x7f542c02d6b0 [ 82.773538] Code: Bad RIP value. [ 82.776901] RSP: 002b:00007ffce7dbbc78 EFLAGS: 00010212 [ 82.782265] RAX: 0000000000000003 RBX: 0000000000000030 RCX: 0000000000000030 [ 82.789537] RDX: 0000557e9570f470 RSI: 0000557e9570e460 RDI: 0000557e9570a9b0 [ 82.796812] RBP: 0000557e9570e460 R08: 0000557e94611a30 R09: 0000557e9570f470 [ 82.804090] R10: 000000004ac38045 R11: 0000000095e3098c R12: 0000000000000010 [ 82.811372] R13: 000000000000005e R14: 0000557e957134e0 R15: 0000557e94612d40 [ 82.822995] Mem-Info: [ 82.825586] active_anon:1381884 inactive_anon:197 isolated_anon:0 [ 82.825586] active_file:19 inactive_file:75 isolated_file:43 [ 82.825586] unevictable:0 dirty:0 writeback:0 unstable:0 [ 82.825586] slab_reclaimable:14629 slab_unreclaimable:106942 [ 82.825586] mapped:59 shmem:244 pagetables:14839 bounce:0 [ 82.825586] free:24276 free_pcp:422 free_cma:0 [ 82.859355] Node 0 active_anon:5527536kB inactive_anon:788kB active_file:76kB inactive_file:300kB unevictable:0kB isolated(anon):0kB isolated(file):172kB mapped:236kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 5367808kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 82.887765] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 82.915090] lowmem_reserve[]: 0 2818 6321 6321 [ 82.920581] Node 0 DMA32 free:43820kB min:30052kB low:37564kB high:45076kB active_anon:2689792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888792kB mlocked:0kB kernel_stack:33632kB pagetables:18740kB bounce:0kB free_pcp:500kB local_pcp:468kB free_cma:0kB [ 82.951143] lowmem_reserve[]: 0 0 3503 3503 [ 82.956202] Node 0 Normal free:37376kB min:37364kB low:46704kB high:56044kB active_anon:2837744kB inactive_anon:788kB active_file:76kB inactive_file:112kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:65568kB pagetables:40616kB bounce:0kB free_pcp:1328kB local_pcp:972kB free_cma:0kB [ 82.986783] lowmem_reserve[]: 0 0 0 0 [ 82.990737] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 83.004563] Node 0 DMA32: 729*4kB (UME) 29*8kB (UM) 4*16kB (UME) 4*32kB (UE) 3*64kB (UM) 1*128kB (M) 1*256kB (M) 2*512kB (UM) 2*1024kB (UE) 2*2048kB (UM) 8*4096kB (M) = 43852kB [ 83.022211] Node 0 Normal: 960*4kB (UME) 457*8kB (UMH) 1100*16kB (UMH) 137*32kB (UME) 65*64kB (UME) 15*128kB (ME) 4*256kB (ME) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 36584kB [ 83.037938] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 83.046964] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 83.055716] 513 total pagecache pages [ 83.059657] 0 pages in swap cache [ 83.073371] Swap cache stats: add 0, delete 0, find 0/0 [ 83.084545] Free swap = 0kB [ 83.091152] Total swap = 0kB [ 83.094341] 1965979 pages RAM [ 83.097563] 0 pages HighMem/MovableOnly [ 83.101657] 342850 pages reserved [ 83.105264] 0 pages cma reserved [ 83.108769] Out of memory: Kill process 7799 (dhclient) score 0 or sacrifice child [ 83.117638] Killed process 7799 (dhclient) total-vm:9972kB, anon-rss:2288kB, file-rss:0kB, shmem-rss:0kB executing program executing program executing program executing program executing program executing program executing program [ 85.465397] syz-executor431 (16805) used greatest stack depth: 5112 bytes left [ 88.517513] syz-executor431 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 88.545824] syz-executor431 cpuset=/ mems_allowed=0 [ 88.559229] CPU: 0 PID: 16835 Comm: syz-executor431 Not tainted 4.20.0 #387 [ 88.566341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 88.575718] Call Trace: [ 88.578337] dump_stack+0x1d3/0x2c6 [ 88.581979] ? dump_stack_print_info.cold.1+0x20/0x20 [ 88.587184] dump_header+0x27b/0xf72 [ 88.590917] ? mark_held_locks+0x130/0x130 [ 88.595159] ? pagefault_out_of_memory+0x197/0x197 [ 88.600095] ? __lock_acquire+0x62f/0x4c20 [ 88.604339] ? lockdep_hardirqs_on+0x421/0x5c0 [ 88.608931] ? trace_hardirqs_on+0xbd/0x310 [ 88.613255] ? kasan_check_read+0x11/0x20 [ 88.617429] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 88.622904] ? graph_lock+0x270/0x270 [ 88.626725] ? print_usage_bug+0xc0/0xc0 [ 88.630792] ? _raw_spin_unlock_irq+0x60/0x80 [ 88.635322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 88.640872] ? find_held_lock+0x36/0x1c0 [ 88.644953] ? mark_held_locks+0xc7/0x130 [ 88.649109] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 88.654212] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 88.659333] ? lockdep_hardirqs_on+0x421/0x5c0 [ 88.663920] ? trace_hardirqs_on+0xbd/0x310 [ 88.668237] ? kasan_check_read+0x11/0x20 [ 88.672389] ? ___ratelimit+0x36f/0x655 [ 88.676365] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 88.681818] ? trace_hardirqs_on+0x310/0x310 [ 88.686234] ? lock_downgrade+0x900/0x900 [ 88.690586] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 88.695724] ? ___ratelimit+0xaa/0x655 [ 88.699619] ? idr_get_free+0xf70/0xf70 [ 88.703603] oom_kill_process.cold.27+0x10/0x903 [ 88.708360] ? graph_lock+0x270/0x270 [ 88.712165] ? rcu_gp_kthread+0xc70/0xc70 [ 88.716329] ? oom_evaluate_task+0x540/0x540 [ 88.720759] ? find_held_lock+0x36/0x1c0 [ 88.724831] ? out_of_memory+0x974/0x1430 [ 88.729007] ? lock_downgrade+0x900/0x900 [ 88.733180] ? __rcu_read_unlock+0x2d6/0x2e0 [ 88.737598] ? rcu_read_unlock_special+0x1d0/0x1d0 [ 88.742522] ? kasan_check_read+0x11/0x20 [ 88.746669] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 88.751977] ? rcu_softirq_qs+0x20/0x20 [ 88.755983] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 88.761012] ? oom_evaluate_task+0x302/0x540 [ 88.765448] out_of_memory+0xa84/0x1430 [ 88.769432] ? oom_killer_disable+0x3a0/0x3a0 [ 88.773947] ? __alloc_pages_slowpath+0xf5c/0x2df0 [ 88.778886] ? __ww_mutex_check_waiters+0x160/0x160 [ 88.783919] __alloc_pages_slowpath+0x2343/0x2df0 [ 88.788792] ? warn_alloc+0x120/0x120 [ 88.792645] ? warn_alloc+0x120/0x120 [ 88.796474] ? print_usage_bug+0xc0/0xc0 [ 88.800541] ? print_usage_bug+0xc0/0xc0 [ 88.804625] ? mark_held_locks+0x130/0x130 [ 88.808866] ? attach_entity_load_avg+0x860/0x860 [ 88.813726] ? rcu_softirq_qs+0x20/0x20 [ 88.817706] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 88.823248] ? graph_lock+0x270/0x270 [ 88.827066] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 88.832214] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 88.837763] ? find_held_lock+0x36/0x1c0 [ 88.841864] ? ___might_sleep+0x1ed/0x300 [ 88.846016] ? lock_release+0xa00/0xa00 [ 88.850025] ? arch_local_save_flags+0x40/0x40 [ 88.854644] ? check_preemption_disabled+0x48/0x280 [ 88.859673] ? __might_sleep+0x95/0x190 [ 88.863659] __alloc_pages_nodemask+0xad8/0xea0 [ 88.868345] ? __alloc_pages_slowpath+0x2df0/0x2df0 [ 88.873430] ? cache_grow_begin+0x5a4/0x8c0 [ 88.877757] ? lockdep_hardirqs_on+0x421/0x5c0 [ 88.882381] ? trace_hardirqs_on+0xbd/0x310 [ 88.886705] ? fallback_alloc+0x203/0x2e0 [ 88.890860] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 88.896326] ? ____cache_alloc_node+0x16b/0x1e0 [ 88.901006] ? lock_downgrade+0x900/0x900 [ 88.905193] cache_grow_begin+0x91/0x8c0 [ 88.909258] ? do_raw_spin_unlock+0xa7/0x330 [ 88.913726] fallback_alloc+0x203/0x2e0 [ 88.917712] ____cache_alloc_node+0x1c7/0x1e0 [ 88.922236] kmem_cache_alloc_node+0xe3/0x730 [ 88.926736] ? run_rebalance_domains+0x500/0x500 [ 88.931506] copy_process+0x2026/0x8790 [ 88.935484] ? print_usage_bug+0xc0/0xc0 [ 88.939559] ? print_usage_bug+0xc0/0xc0 [ 88.943628] ? finish_task_switch+0x1f4/0x910 [ 88.948146] ? __cleanup_sighand+0x70/0x70 [ 88.952387] ? __lock_acquire+0x62f/0x4c20 [ 88.956630] ? print_usage_bug+0xc0/0xc0 [ 88.960698] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 88.965906] ? print_usage_bug+0xc0/0xc0 [ 88.969993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 88.975537] ? wakeup_kswapd+0xcd/0x7a0 [ 88.979520] ? mark_held_locks+0x130/0x130 [ 88.983767] ? print_usage_bug+0xc0/0xc0 [ 88.987841] ? isolate_lru_page+0x22e0/0x22e0 [ 88.992355] ? __lock_acquire+0x62f/0x4c20 [ 88.996598] ? print_usage_bug+0xc0/0xc0 [ 89.000704] ? __lock_acquire+0x62f/0x4c20 [ 89.004978] ? __lock_acquire+0x62f/0x4c20 [ 89.009235] ? mem_cgroup_update_lru_size+0xd0/0xd0 [ 89.014265] ? mark_held_locks+0x130/0x130 [ 89.018511] ? print_usage_bug+0xc0/0xc0 [ 89.022575] ? print_usage_bug+0xc0/0xc0 [ 89.026653] ? warn_alloc+0x120/0x120 [ 89.030459] ? __lock_acquire+0x62f/0x4c20 [ 89.034707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.040249] ? check_preemption_disabled+0x48/0x280 [ 89.045279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.050827] ? __lru_cache_add+0x2ff/0x4e0 [ 89.055078] ? __pagevec_lru_add+0x30/0x30 [ 89.059328] ? mark_held_locks+0x130/0x130 [ 89.063579] ? __lock_acquire+0x62f/0x4c20 [ 89.067829] ? lru_cache_add+0x417/0xa50 [ 89.071906] ? lru_cache_add_file+0x20/0x20 [ 89.076237] ? mark_held_locks+0x130/0x130 [ 89.080492] ? rcu_read_unlock_special+0x1d0/0x1d0 [ 89.085429] ? print_usage_bug+0xc0/0xc0 [ 89.089495] ? rcu_softirq_qs+0x20/0x20 [ 89.093482] ? check_preemption_disabled+0x48/0x280 [ 89.098522] ? __this_cpu_preempt_check+0x1c/0x20 [ 89.103370] ? mem_cgroup_event_ratelimit.isra.53+0x51/0x110 [ 89.109181] ? mark_held_locks+0xc7/0x130 [ 89.113355] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 89.118378] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 89.123409] ? graph_lock+0x270/0x270 [ 89.127217] ? lru_cache_add+0xa50/0xa50 [ 89.131288] ? lock_downgrade+0x900/0x900 [ 89.135445] ? check_preemption_disabled+0x48/0x280 [ 89.140478] ? find_held_lock+0x36/0x1c0 [ 89.144552] ? __handle_mm_fault+0x2c3b/0x5670 [ 89.149144] ? lock_downgrade+0x900/0x900 [ 89.153301] ? kasan_check_read+0x11/0x20 [ 89.157456] ? do_raw_spin_unlock+0xa7/0x330 [ 89.161869] ? do_raw_spin_trylock+0x270/0x270 [ 89.166464] ? migration_entry_to_page+0x550/0x550 [ 89.171398] ? pte_offset_kernel+0xf0/0xf0 [ 89.175649] ? _raw_spin_unlock+0x2c/0x50 [ 89.179797] ? __handle_mm_fault+0x9b4/0x5670 [ 89.184345] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 89.189195] ? graph_lock+0x270/0x270 [ 89.193003] ? print_usage_bug+0xc0/0xc0 [ 89.197084] ? graph_lock+0x270/0x270 [ 89.200900] ? graph_lock+0x270/0x270 [ 89.204709] ? find_held_lock+0x36/0x1c0 [ 89.208785] _do_fork+0x1cb/0x11d0 [ 89.212355] ? fork_idle+0x1d0/0x1d0 [ 89.216074] ? rcu_read_unlock_special+0x1d0/0x1d0 [ 89.221009] ? kasan_check_read+0x11/0x20 [ 89.225174] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 89.230455] ? rcu_softirq_qs+0x20/0x20 [ 89.234438] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 89.239892] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 89.245449] ? check_preemption_disabled+0x48/0x280 [ 89.250481] ? kasan_check_write+0x14/0x20 [ 89.254738] ? up_read+0x225/0x2c0 [ 89.258282] ? up_read_non_owner+0x100/0x100 [ 89.262702] ? do_syscall_64+0x9a/0x820 [ 89.266680] ? do_syscall_64+0x9a/0x820 [ 89.270659] ? lockdep_hardirqs_on+0x421/0x5c0 [ 89.275247] ? trace_hardirqs_on+0xbd/0x310 [ 89.279571] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 89.284940] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 89.290399] __x64_sys_clone+0xbf/0x150 [ 89.294397] do_syscall_64+0x1b9/0x820 [ 89.298286] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 89.303668] ? syscall_return_slowpath+0x5e0/0x5e0 [ 89.308599] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 89.313475] ? trace_hardirqs_on_caller+0x310/0x310 [ 89.318510] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 89.323532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 89.329089] ? prepare_exit_to_usermode+0x291/0x3b0 [ 89.334115] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 89.338971] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 89.344159] RIP: 0033:0x449539 [ 89.347353] Code: ff 48 85 f6 0f 84 e7 dd fb ff 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 0f 8c be dd fb ff 74 01 c3 31 ed 48 f7 c7 00 00 01 00 75 [ 89.366264] RSP: 002b:00007ffd822567a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 89.373984] RAX: ffffffffffffffda RBX: 00007f8377f5c700 RCX: 0000000000449539 [ 89.381263] RDX: 00007f8377f5c9d0 RSI: 00007f8377f5bdb0 RDI: 00000000003d0f00 [ 89.388536] RBP: 00007ffd822568f0 R08: 00007f8377f5c700 R09: 00007f8377f5c700 [ 89.395808] R10: 00007f8377f5c9d0 R11: 0000000000000202 R12: 0000000000000000 [ 89.403083] R13: 00007ffd8225685f R14: 00007f8377f5c9c0 R15: 00000000006dcd2c [ 89.434359] Mem-Info: [ 89.437881] active_anon:1381546 inactive_anon:197 isolated_anon:0 [ 89.437881] active_file:31 inactive_file:172 isolated_file:44 [ 89.437881] unevictable:0 dirty:5 writeback:0 unstable:0 [ 89.437881] slab_reclaimable:14649 slab_unreclaimable:106652 [ 89.437881] mapped:163 shmem:244 pagetables:14910 bounce:0 [ 89.437881] free:24702 free_pcp:256 free_cma:0 [ 89.472627] Node 0 active_anon:5526184kB inactive_anon:788kB active_file:124kB inactive_file:656kB unevictable:0kB isolated(anon):0kB isolated(file):304kB mapped:652kB dirty:20kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 5367808kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 89.501864] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 89.529653] lowmem_reserve[]: 0 2818 6321 6321 [ 89.535610] Node 0 DMA32 free:43988kB min:30052kB low:37564kB high:45076kB active_anon:2689784kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888792kB mlocked:0kB kernel_stack:33696kB pagetables:18740kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 89.617000] lowmem_reserve[]: 0 0 3503 3503 [ 89.626240] Node 0 Normal free:38200kB min:37364kB low:46704kB high:56044kB active_anon:2836400kB inactive_anon:788kB active_file:184kB inactive_file:1364kB unevictable:0kB writepending:20kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:65888kB pagetables:40900kB bounce:0kB free_pcp:728kB local_pcp:612kB free_cma:0kB [ 89.701960] lowmem_reserve[]: 0 0 0 0 [ 89.705845] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 89.741962] Node 0 DMA32: 793*4kB (ME) 28*8kB (M) 3*16kB (ME) 5*32kB (UE) 3*64kB (UM) 2*128kB (UM) 2*256kB (UM) 1*512kB (M) 2*1024kB (UE) 2*2048kB (UM) 8*4096kB (M) = 43988kB [ 89.771966] Node 0 Normal: 778*4kB (UM) 628*8kB (UMH) 1145*16kB (UMEH) 139*32kB (UM) 68*64kB (UM) 15*128kB (ME) 4*256kB (ME) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 38200kB [ 89.801962] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 89.810821] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 89.823874] 721 total pagecache pages [ 89.827693] 0 pages in swap cache [ 89.831148] Swap cache stats: add 0, delete 0, find 0/0 [ 89.836695] Free swap = 0kB [ 89.839723] Total swap = 0kB [ 89.842942] 1965979 pages RAM [ 89.846064] 0 pages HighMem/MovableOnly [ 89.850047] 342850 pages reserved [ 89.853751] 0 pages cma reserved [ 89.857137] Out of memory: Kill process 16728 (syz-executor431) score 0 or sacrifice child [ 89.866816] Killed process 16728 (syz-executor431) total-vm:17852kB, anon-rss:2116kB, file-rss:16kB, shmem-rss:0kB executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 93.697052] syz-executor431 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 93.721993] syz-executor431 cpuset=/ mems_allowed=0 [ 93.727082] CPU: 0 PID: 16888 Comm: syz-executor431 Not tainted 4.20.0 #387 [ 93.734203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 93.743574] Call Trace: [ 93.746182] dump_stack+0x1d3/0x2c6 [ 93.749829] ? dump_stack_print_info.cold.1+0x20/0x20 [ 93.755047] ? mark_held_locks+0x130/0x130 [ 93.759294] ? mark_held_locks+0x130/0x130 [ 93.763552] dump_header+0x27b/0xf72 [ 93.767291] ? pagefault_out_of_memory+0x197/0x197 [ 93.772243] ? mark_held_locks+0x130/0x130 [ 93.776480] ? __lock_acquire+0x62f/0x4c20 [ 93.780738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 93.786361] ? kasan_check_write+0x14/0x20 [ 93.790622] ? graph_lock+0x270/0x270 [ 93.794448] ? print_usage_bug+0xc0/0xc0 [ 93.798569] ? __switch_to_asm+0x40/0x70 [ 93.802630] ? __switch_to_asm+0x34/0x70 [ 93.806704] ? __switch_to_asm+0x40/0x70 [ 93.810779] ? __switch_to_asm+0x40/0x70 [ 93.814848] ? __switch_to_asm+0x34/0x70 [ 93.818945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 93.824499] ? find_held_lock+0x36/0x1c0 [ 93.828595] ? mark_held_locks+0xc7/0x130 [ 93.832767] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 93.837881] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 93.842995] ? lockdep_hardirqs_on+0x421/0x5c0 [ 93.847612] ? trace_hardirqs_on+0xbd/0x310 [ 93.851940] ? kasan_check_read+0x11/0x20 [ 93.856104] ? ___ratelimit+0x36f/0x655 [ 93.860135] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 93.865596] ? trace_hardirqs_on+0x310/0x310 [ 93.870020] ? lock_downgrade+0x900/0x900 [ 93.874198] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 93.879320] ? ___ratelimit+0xaa/0x655 [ 93.883224] ? idr_get_free+0xf70/0xf70 [ 93.887217] oom_kill_process.cold.27+0x10/0x903 [ 93.891987] ? graph_lock+0x270/0x270 [ 93.895795] ? rcu_gp_kthread+0xc70/0xc70 [ 93.899956] ? oom_evaluate_task+0x540/0x540 [ 93.904376] ? find_held_lock+0x36/0x1c0 [ 93.908451] ? out_of_memory+0x974/0x1430 [ 93.912616] ? lock_downgrade+0x900/0x900 [ 93.916773] ? __rcu_read_unlock+0x2d6/0x2e0 [ 93.921192] ? rcu_read_unlock_special+0x1d0/0x1d0 [ 93.926129] ? kasan_check_read+0x11/0x20 [ 93.930288] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 93.935585] ? rcu_softirq_qs+0x20/0x20 [ 93.939572] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 93.944597] ? oom_evaluate_task+0x302/0x540 [ 93.949015] out_of_memory+0xa84/0x1430 [ 93.953030] ? oom_killer_disable+0x3a0/0x3a0 [ 93.957552] ? __alloc_pages_slowpath+0xf5c/0x2df0 [ 93.962501] ? __ww_mutex_check_waiters+0x160/0x160 [ 93.967545] __alloc_pages_slowpath+0x2343/0x2df0 [ 93.972423] ? warn_alloc+0x120/0x120 [ 93.976231] ? mark_held_locks+0x130/0x130 [ 93.980479] ? pte_offset_kernel+0xf0/0xf0 [ 93.984735] ? warn_alloc+0x120/0x120 [ 93.988549] ? wp_page_copy+0xc51/0x18a0 [ 93.992620] ? graph_lock+0x270/0x270 [ 93.996427] ? print_usage_bug+0xc0/0xc0 [ 94.000498] ? print_usage_bug+0xc0/0xc0 [ 94.004587] ? find_held_lock+0x36/0x1c0 [ 94.008670] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 94.014225] ? graph_lock+0x270/0x270 [ 94.018055] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 94.023177] ? find_held_lock+0x36/0x1c0 [ 94.027266] ? ___might_sleep+0x1ed/0x300 [ 94.031424] ? lock_release+0xa00/0xa00 [ 94.035423] ? arch_local_save_flags+0x40/0x40 [ 94.040026] ? check_preemption_disabled+0x48/0x280 [ 94.045080] ? __might_sleep+0x95/0x190 [ 94.049074] __alloc_pages_nodemask+0xad8/0xea0 [ 94.053768] ? __alloc_pages_slowpath+0x2df0/0x2df0 [ 94.058809] ? cache_grow_begin+0x5a4/0x8c0 [ 94.063144] ? lockdep_hardirqs_on+0x421/0x5c0 [ 94.067737] ? trace_hardirqs_on+0xbd/0x310 [ 94.072078] ? fallback_alloc+0x203/0x2e0 [ 94.076238] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 94.081698] ? ____cache_alloc_node+0x16b/0x1e0 [ 94.086377] ? lock_downgrade+0x900/0x900 [ 94.090538] cache_grow_begin+0x91/0x8c0 [ 94.094606] ? do_raw_spin_unlock+0xa7/0x330 [ 94.099031] fallback_alloc+0x203/0x2e0 [ 94.103046] ____cache_alloc_node+0x1c7/0x1e0 [ 94.107557] kmem_cache_alloc+0x1f8/0x730 [ 94.111712] ? check_preemption_disabled+0x48/0x280 [ 94.116749] getname_flags+0xd0/0x590 [ 94.120563] user_path_at_empty+0x2d/0x50 [ 94.124720] ksys_chdir+0xc0/0x230 [ 94.128268] ? __ia32_sys_access+0x80/0x80 [ 94.132511] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 94.137979] __x64_sys_chdir+0x31/0x40 [ 94.141877] do_syscall_64+0x1b9/0x820 [ 94.145770] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 94.151149] ? syscall_return_slowpath+0x5e0/0x5e0 [ 94.156089] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 94.160947] ? trace_hardirqs_on_caller+0x310/0x310 [ 94.165997] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 94.171019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 94.176575] ? prepare_exit_to_usermode+0x291/0x3b0 [ 94.181612] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 94.186469] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 94.191675] RIP: 0033:0x446297 [ 94.194872] Code: 00 00 8b 44 24 08 e9 67 ff ff ff 48 c7 c2 d4 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d8 0f 1f 44 00 00 b8 50 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 5d 10 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 94.213785] RSP: 002b:00007ffd822568d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000050 [ 94.221507] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000446297 [ 94.228799] RDX: 0000000000000001 RSI: 00000000006db0a0 RDI: 00007ffd82256930 [ 94.236084] RBP: 0000000000000000 R08: 0000000000001f6f R09: 00000000006ee940 [ 94.243393] R10: 00000000006eec10 R11: 0000000000000246 R12: 00000000000001f3 [ 94.250673] R13: 000000000001694d R14: 0000000000000000 R15: 0000000000000000 [ 94.272836] Mem-Info: [ 94.275426] active_anon:1381254 inactive_anon:197 isolated_anon:0 [ 94.275426] active_file:57 inactive_file:227 isolated_file:58 [ 94.275426] unevictable:0 dirty:0 writeback:0 unstable:0 [ 94.275426] slab_reclaimable:14692 slab_unreclaimable:106696 [ 94.275426] mapped:246 shmem:244 pagetables:14990 bounce:0 [ 94.275426] free:24502 free_pcp:231 free_cma:0 [ 94.342001] Node 0 active_anon:5525016kB inactive_anon:788kB active_file:328kB inactive_file:1400kB unevictable:0kB isolated(anon):0kB isolated(file):256kB mapped:1484kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 5365760kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 94.397679] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 94.429589] lowmem_reserve[]: 0 2818 6321 6321 [ 94.434304] Node 0 DMA32 free:43868kB min:30052kB low:37564kB high:45076kB active_anon:2687792kB inactive_anon:0kB active_file:8kB inactive_file:8kB unevictable:0kB writepending:0kB present:3129332kB managed:2888792kB mlocked:0kB kernel_stack:34304kB pagetables:18756kB bounce:0kB free_pcp:4kB local_pcp:0kB free_cma:0kB [ 94.462789] lowmem_reserve[]: 0 0 3503 3503 [ 94.467137] Node 0 Normal free:37728kB min:37364kB low:46704kB high:56044kB active_anon:2837224kB inactive_anon:788kB active_file:84kB inactive_file:756kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:65792kB pagetables:41204kB bounce:0kB free_pcp:960kB local_pcp:412kB free_cma:0kB [ 94.496528] lowmem_reserve[]: 0 0 0 0 [ 94.500376] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 94.514108] Node 0 DMA32: 774*4kB (M) 29*8kB (ME) 4*16kB (ME) 4*32kB (UE) 3*64kB (ME) 2*128kB (ME) 2*256kB (ME) 3*512kB (UME) 1*1024kB (U) 0*2048kB 9*4096kB (M) = 43904kB [ 94.529610] Node 0 Normal: 560*4kB (UMH) 626*8kB (UMH) 1157*16kB (UMEH) 144*32kB (UME) 71*64kB (UME) 15*128kB (ME) 3*256kB (ME) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 37600kB [ 94.552846] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 94.561756] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 94.599375] 665 total pagecache pages [ 94.603327] 0 pages in swap cache [ 94.606790] Swap cache stats: add 0, delete 0, find 0/0 [ 94.621976] Free swap = 0kB [ 94.625050] Total swap = 0kB [ 94.628077] 1965979 pages RAM [ 94.631182] 0 pages HighMem/MovableOnly [ 94.652001] 342850 pages reserved [ 94.655504] 0 pages cma reserved [ 94.658877] Out of memory: Kill process 8077 (syz-executor431) score 0 or sacrifice child [ 94.667396] Killed process 8077 (syz-executor431) total-vm:17720kB, anon-rss:2108kB, file-rss:16kB, shmem-rss:0kB executing program executing program executing program executing program executing program executing program executing program executing program [ 97.449107] syz-executor431 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 97.461374] syz-executor431 cpuset=/ mems_allowed=0 [ 97.468992] CPU: 0 PID: 16909 Comm: syz-executor431 Not tainted 4.20.0 #387 [ 97.476109] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.485447] Call Trace: [ 97.488020] dump_stack+0x1d3/0x2c6 [ 97.491669] ? dump_stack_print_info.cold.1+0x20/0x20 [ 97.496854] dump_header+0x27b/0xf72 [ 97.500558] ? mark_held_locks+0x130/0x130 [ 97.504776] ? pagefault_out_of_memory+0x197/0x197 [ 97.509692] ? mark_held_locks+0x130/0x130 [ 97.513928] ? __lock_acquire+0x62f/0x4c20 [ 97.518156] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.523681] ? _raw_spin_unlock_irq+0x60/0x80 [ 97.528178] ? graph_lock+0x270/0x270 [ 97.531978] ? print_usage_bug+0xc0/0xc0 [ 97.536124] ? __switch_to_asm+0x40/0x70 [ 97.540167] ? __switch_to_asm+0x34/0x70 [ 97.544209] ? __switch_to_asm+0x34/0x70 [ 97.548252] ? __switch_to_asm+0x40/0x70 [ 97.552319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.557855] ? find_held_lock+0x36/0x1c0 [ 97.561902] ? mark_held_locks+0xc7/0x130 [ 97.566055] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 97.571331] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 97.576420] ? lockdep_hardirqs_on+0x421/0x5c0 [ 97.581031] ? trace_hardirqs_on+0xbd/0x310 [ 97.585398] ? kasan_check_read+0x11/0x20 [ 97.589548] ? ___ratelimit+0x36f/0x655 [ 97.593508] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 97.598944] ? trace_hardirqs_on+0x310/0x310 [ 97.603348] ? lock_downgrade+0x900/0x900 [ 97.607479] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 97.612566] ? ___ratelimit+0xaa/0x655 [ 97.616436] ? idr_get_free+0xf70/0xf70 [ 97.620397] oom_kill_process.cold.27+0x10/0x903 [ 97.625136] ? graph_lock+0x270/0x270 [ 97.628929] ? rcu_gp_kthread+0xc70/0xc70 [ 97.633067] ? oom_evaluate_task+0x540/0x540 [ 97.637459] ? find_held_lock+0x36/0x1c0 [ 97.641506] ? out_of_memory+0x974/0x1430 [ 97.645635] ? lock_downgrade+0x900/0x900 [ 97.649775] ? __rcu_read_unlock+0x2d6/0x2e0 [ 97.654167] ? rcu_read_unlock_special+0x1d0/0x1d0 [ 97.659080] ? kasan_check_read+0x11/0x20 [ 97.663211] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 97.668470] ? rcu_softirq_qs+0x20/0x20 [ 97.672436] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 97.677434] ? oom_evaluate_task+0x302/0x540 [ 97.681824] out_of_memory+0xa84/0x1430 [ 97.685784] ? oom_killer_disable+0x3a0/0x3a0 [ 97.690264] ? __alloc_pages_slowpath+0xf5c/0x2df0 [ 97.695186] ? __ww_mutex_check_waiters+0x160/0x160 [ 97.700194] __alloc_pages_slowpath+0x2343/0x2df0 [ 97.705168] ? warn_alloc+0x120/0x120 [ 97.708972] ? warn_alloc+0x120/0x120 [ 97.712763] ? print_usage_bug+0xc0/0xc0 [ 97.716807] ? print_usage_bug+0xc0/0xc0 [ 97.720853] ? mark_held_locks+0x130/0x130 [ 97.725072] ? attach_entity_load_avg+0x860/0x860 [ 97.729895] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 97.735414] ? graph_lock+0x270/0x270 [ 97.739205] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 97.744294] ? find_held_lock+0x36/0x1c0 [ 97.748349] ? ___might_sleep+0x1ed/0x300 [ 97.752481] ? lock_release+0xa00/0xa00 [ 97.756440] ? arch_local_save_flags+0x40/0x40 [ 97.761005] ? check_preemption_disabled+0x48/0x280 [ 97.766043] ? __might_sleep+0x95/0x190 [ 97.770023] __alloc_pages_nodemask+0xad8/0xea0 [ 97.774688] ? __alloc_pages_slowpath+0x2df0/0x2df0 [ 97.779730] ? cache_grow_begin+0x5a4/0x8c0 [ 97.784032] ? lockdep_hardirqs_on+0x421/0x5c0 [ 97.788603] ? trace_hardirqs_on+0xbd/0x310 [ 97.792908] ? fallback_alloc+0x203/0x2e0 [ 97.797049] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 97.802481] ? ____cache_alloc_node+0x16b/0x1e0 [ 97.807133] ? lock_downgrade+0x900/0x900 [ 97.811263] cache_grow_begin+0x91/0x8c0 [ 97.815325] ? do_raw_spin_unlock+0xa7/0x330 [ 97.819715] fallback_alloc+0x203/0x2e0 [ 97.823673] ____cache_alloc_node+0x1c7/0x1e0 [ 97.828168] kmem_cache_alloc_node+0xe3/0x730 [ 97.832656] ? run_rebalance_domains+0x500/0x500 [ 97.837416] copy_process+0x2026/0x8790 [ 97.841374] ? print_usage_bug+0xc0/0xc0 [ 97.845421] ? print_usage_bug+0xc0/0xc0 [ 97.849467] ? finish_task_switch+0x1f4/0x910 [ 97.853954] ? __cleanup_sighand+0x70/0x70 [ 97.858194] ? __lock_acquire+0x62f/0x4c20 [ 97.862414] ? print_usage_bug+0xc0/0xc0 [ 97.866457] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 97.871634] ? print_usage_bug+0xc0/0xc0 [ 97.875681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.881204] ? wakeup_kswapd+0xcd/0x7a0 [ 97.885161] ? mark_held_locks+0x130/0x130 [ 97.889379] ? print_usage_bug+0xc0/0xc0 [ 97.893423] ? isolate_lru_page+0x22e0/0x22e0 [ 97.897902] ? __lock_acquire+0x62f/0x4c20 [ 97.902118] ? print_usage_bug+0xc0/0xc0 [ 97.906162] ? __lock_acquire+0x62f/0x4c20 [ 97.910381] ? __lock_acquire+0x62f/0x4c20 [ 97.914608] ? mem_cgroup_update_lru_size+0xd0/0xd0 [ 97.919610] ? mark_held_locks+0x130/0x130 [ 97.923833] ? print_usage_bug+0xc0/0xc0 [ 97.927877] ? print_usage_bug+0xc0/0xc0 [ 97.931941] ? warn_alloc+0x120/0x120 [ 97.935742] ? __lock_acquire+0x62f/0x4c20 [ 97.939965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.945485] ? check_preemption_disabled+0x48/0x280 [ 97.950484] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 97.956018] ? __lru_cache_add+0x2ff/0x4e0 [ 97.960247] ? __pagevec_lru_add+0x30/0x30 [ 97.964463] ? mark_held_locks+0x130/0x130 [ 97.968685] ? __lock_acquire+0x62f/0x4c20 [ 97.972907] ? lru_cache_add+0x417/0xa50 [ 97.976949] ? lru_cache_add_file+0x20/0x20 [ 97.981254] ? mark_held_locks+0x130/0x130 [ 97.985471] ? rcu_read_unlock_special+0x1d0/0x1d0 [ 97.990397] ? print_usage_bug+0xc0/0xc0 [ 97.994440] ? rcu_softirq_qs+0x20/0x20 [ 97.998398] ? check_preemption_disabled+0x48/0x280 [ 98.003398] ? __this_cpu_preempt_check+0x1c/0x20 [ 98.008229] ? mem_cgroup_event_ratelimit.isra.53+0x51/0x110 [ 98.014014] ? mark_held_locks+0xc7/0x130 [ 98.018154] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 98.023169] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 98.028185] ? graph_lock+0x270/0x270 [ 98.031994] ? lru_cache_add+0xa50/0xa50 [ 98.036049] ? lock_downgrade+0x900/0x900 [ 98.040181] ? check_preemption_disabled+0x48/0x280 [ 98.045202] ? find_held_lock+0x36/0x1c0 [ 98.049255] ? __handle_mm_fault+0x2c3b/0x5670 [ 98.053822] ? lock_downgrade+0x900/0x900 [ 98.057970] ? kasan_check_read+0x11/0x20 [ 98.062103] ? do_raw_spin_unlock+0xa7/0x330 [ 98.066493] ? do_raw_spin_trylock+0x270/0x270 [ 98.071064] ? migration_entry_to_page+0x550/0x550 [ 98.075974] ? pte_offset_kernel+0xf0/0xf0 [ 98.080201] ? _raw_spin_unlock+0x2c/0x50 [ 98.084346] ? __handle_mm_fault+0x9b4/0x5670 [ 98.088871] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 98.093728] ? graph_lock+0x270/0x270 [ 98.097511] ? print_usage_bug+0xc0/0xc0 [ 98.101555] ? graph_lock+0x270/0x270 [ 98.105353] ? graph_lock+0x270/0x270 [ 98.109139] ? find_held_lock+0x36/0x1c0 [ 98.113186] _do_fork+0x1cb/0x11d0 [ 98.116711] ? fork_idle+0x1d0/0x1d0 [ 98.120418] ? rcu_read_unlock_special+0x1d0/0x1d0 [ 98.125354] ? kasan_check_read+0x11/0x20 [ 98.129482] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 98.134740] ? rcu_softirq_qs+0x20/0x20 [ 98.138698] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 98.144128] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 98.149662] ? check_preemption_disabled+0x48/0x280 [ 98.154680] ? kasan_check_write+0x14/0x20 [ 98.158900] ? up_read+0x225/0x2c0 [ 98.162437] ? up_read_non_owner+0x100/0x100 [ 98.166830] ? do_syscall_64+0x9a/0x820 [ 98.170789] ? do_syscall_64+0x9a/0x820 [ 98.174751] ? lockdep_hardirqs_on+0x421/0x5c0 [ 98.179322] ? trace_hardirqs_on+0xbd/0x310 [ 98.183662] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 98.189044] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 98.194481] __x64_sys_clone+0xbf/0x150 [ 98.198439] do_syscall_64+0x1b9/0x820 [ 98.202306] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 98.207657] ? syscall_return_slowpath+0x5e0/0x5e0 [ 98.212585] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 98.217417] ? trace_hardirqs_on_caller+0x310/0x310 [ 98.222454] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 98.227451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 98.232974] ? prepare_exit_to_usermode+0x291/0x3b0 [ 98.237975] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 98.242799] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 98.247973] RIP: 0033:0x449539 [ 98.251150] Code: ff 48 85 f6 0f 84 e7 dd fb ff 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 0f 8c be dd fb ff 74 01 c3 31 ed 48 f7 c7 00 00 01 00 75 [ 98.270055] RSP: 002b:00007ffd822567a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 98.277746] RAX: ffffffffffffffda RBX: 00007f8377f5c700 RCX: 0000000000449539 [ 98.284996] RDX: 00007f8377f5c9d0 RSI: 00007f8377f5bdb0 RDI: 00000000003d0f00 [ 98.292249] RBP: 00007ffd822568f0 R08: 00007f8377f5c700 R09: 00007f8377f5c700 [ 98.299501] R10: 00007f8377f5c9d0 R11: 0000000000000202 R12: 0000000000000000 [ 98.306751] R13: 00007ffd8225685f R14: 00007f8377f5c9c0 R15: 00000000006dcd2c [ 98.320669] Mem-Info: [ 98.328320] active_anon:1380826 inactive_anon:197 isolated_anon:0 [ 98.328320] active_file:41 inactive_file:229 isolated_file:17 [ 98.328320] unevictable:0 dirty:0 writeback:0 unstable:0 [ 98.328320] slab_reclaimable:14706 slab_unreclaimable:106813 [ 98.328320] mapped:158 shmem:244 pagetables:15019 bounce:0 [ 98.328320] free:24770 free_pcp:230 free_cma:0 [ 98.405107] syz-executor431 (16904) used greatest stack depth: 4920 bytes left [ 98.412680] syz-executor431 (16905) used greatest stack depth: 4888 bytes left [ 98.436663] Node 0 active_anon:5523304kB inactive_anon:788kB active_file:464kB inactive_file:1816kB unevictable:0kB isolated(anon):0kB isolated(file):248kB mapped:1532kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 5363712kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 98.465617] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 98.491838] lowmem_reserve[]: 0 2818 6321 6321 [ 98.496478] Node 0 DMA32 free:43980kB min:30052kB low:37564kB high:45076kB active_anon:2687792kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888792kB mlocked:0kB kernel_stack:34240kB pagetables:18756kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 98.524919] lowmem_reserve[]: 0 0 3503 3503 [ 98.529257] Node 0 Normal free:37460kB min:37364kB low:46704kB high:56044kB active_anon:2835512kB inactive_anon:788kB active_file:664kB inactive_file:1052kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:66208kB pagetables:41320kB bounce:0kB free_pcp:1316kB local_pcp:544kB free_cma:0kB [ 98.612449] lowmem_reserve[]: 0 0 0 0 [ 98.616301] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 98.629976] Node 0 DMA32: 777*4kB (M) 29*8kB (ME) 4*16kB (ME) 7*32kB (UE) 3*64kB (ME) 2*128kB (ME) 2*256kB (ME) 3*512kB (UME) 1*1024kB (U) 0*2048kB 9*4096kB (M) = 44012kB [ 98.645595] Node 0 Normal: 389*4kB (UMEH) 599*8kB (UMEH) 1163*16kB (UMEH) 143*32kB (UME) 68*64kB (UM) 15*128kB (ME) 3*256kB (ME) 0*512kB 0*1024kB 1*2048kB (M) 0*4096kB = 38620kB [ 98.661686] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 98.670573] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 98.679189] 690 total pagecache pages [ 98.683066] 0 pages in swap cache [ 98.686523] Swap cache stats: add 0, delete 0, find 0/0 [ 98.691885] Free swap = 0kB [ 98.694948] Total swap = 0kB [ 98.697975] 1965979 pages RAM [ 98.701080] 0 pages HighMem/MovableOnly [ 98.705162] 342850 pages reserved [ 98.708645] 0 pages cma reserved [ 98.712068] Out of memory: Kill process 8099 (syz-executor431) score 0 or sacrifice child [ 98.720451] Killed process 8099 (syz-executor431) total-vm:17720kB, anon-rss:2108kB, file-rss:16kB, shmem-rss:0kB executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 102.478028] syz-executor431 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 102.490293] syz-executor431 cpuset=/ mems_allowed=0 [ 102.496426] CPU: 0 PID: 8050 Comm: syz-executor431 Not tainted 4.20.0 #387 [ 102.503446] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 102.512798] Call Trace: [ 102.515406] dump_stack+0x1d3/0x2c6 [ 102.519059] ? dump_stack_print_info.cold.1+0x20/0x20 [ 102.524268] ? mark_held_locks+0x130/0x130 [ 102.528509] ? mark_held_locks+0x130/0x130 [ 102.532759] dump_header+0x27b/0xf72 [ 102.536492] ? pagefault_out_of_memory+0x197/0x197 [ 102.541436] ? mark_held_locks+0x130/0x130 [ 102.545678] ? __lock_acquire+0x62f/0x4c20 [ 102.549914] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 102.555452] ? finish_task_switch+0x1f4/0x910 [ 102.559950] ? graph_lock+0x270/0x270 [ 102.563750] ? print_usage_bug+0xc0/0xc0 [ 102.567797] ? __switch_to_asm+0x40/0x70 [ 102.571848] ? __switch_to_asm+0x34/0x70 [ 102.575895] ? __switch_to_asm+0x40/0x70 [ 102.579964] ? __switch_to_asm+0x40/0x70 [ 102.584011] ? __switch_to_asm+0x34/0x70 [ 102.588111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 102.593640] ? find_held_lock+0x36/0x1c0 [ 102.597694] ? mark_held_locks+0xc7/0x130 [ 102.601831] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 102.606926] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 102.612032] ? lockdep_hardirqs_on+0x421/0x5c0 [ 102.616641] ? trace_hardirqs_on+0xbd/0x310 [ 102.620976] ? kasan_check_read+0x11/0x20 [ 102.625132] ? ___ratelimit+0x36f/0x655 [ 102.629114] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 102.634563] ? trace_hardirqs_on+0x310/0x310 [ 102.638961] ? lock_downgrade+0x900/0x900 [ 102.643101] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 102.648193] ? ___ratelimit+0xaa/0x655 [ 102.652067] ? idr_get_free+0xf70/0xf70 [ 102.656033] oom_kill_process.cold.27+0x10/0x903 [ 102.660784] ? graph_lock+0x270/0x270 [ 102.664591] ? rcu_gp_kthread+0xc70/0xc70 [ 102.668755] ? oom_evaluate_task+0x540/0x540 [ 102.673175] ? find_held_lock+0x36/0x1c0 [ 102.677251] ? out_of_memory+0x974/0x1430 [ 102.681406] ? lock_downgrade+0x900/0x900 [ 102.685560] ? __rcu_read_unlock+0x2d6/0x2e0 [ 102.689972] ? rcu_read_unlock_special+0x1d0/0x1d0 [ 102.694913] ? kasan_check_read+0x11/0x20 [ 102.699074] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 102.704360] ? rcu_softirq_qs+0x20/0x20 [ 102.708356] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 102.713384] ? oom_evaluate_task+0x302/0x540 [ 102.717805] out_of_memory+0xa84/0x1430 [ 102.721800] ? oom_killer_disable+0x3a0/0x3a0 [ 102.726309] ? __alloc_pages_slowpath+0xf5c/0x2df0 [ 102.731269] ? __ww_mutex_check_waiters+0x160/0x160 [ 102.736307] __alloc_pages_slowpath+0x2343/0x2df0 [ 102.741198] ? warn_alloc+0x120/0x120 [ 102.745010] ? mark_held_locks+0x130/0x130 [ 102.749269] ? cpumask_any_but+0xb1/0xe0 [ 102.753355] ? warn_alloc+0x120/0x120 [ 102.757168] ? print_usage_bug+0xc0/0xc0 [ 102.761237] ? find_held_lock+0x36/0x1c0 [ 102.765319] ? print_usage_bug+0xc0/0xc0 [ 102.769410] ? lock_downgrade+0x900/0x900 [ 102.773568] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 102.779127] ? graph_lock+0x270/0x270 [ 102.782944] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 102.788071] ? find_held_lock+0x36/0x1c0 [ 102.792155] ? ___might_sleep+0x1ed/0x300 [ 102.796308] ? lock_release+0xa00/0xa00 [ 102.800302] ? arch_local_save_flags+0x40/0x40 [ 102.804898] ? check_preemption_disabled+0x48/0x280 [ 102.809948] ? __might_sleep+0x95/0x190 [ 102.813934] __alloc_pages_nodemask+0xad8/0xea0 [ 102.818617] ? __alloc_pages_slowpath+0x2df0/0x2df0 [ 102.823661] ? cache_grow_begin+0x5a4/0x8c0 [ 102.827990] ? lockdep_hardirqs_on+0x421/0x5c0 [ 102.832581] ? trace_hardirqs_on+0xbd/0x310 [ 102.836910] ? fallback_alloc+0x203/0x2e0 [ 102.841072] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 102.846534] ? ____cache_alloc_node+0x16b/0x1e0 [ 102.851220] ? lock_downgrade+0x900/0x900 [ 102.855381] cache_grow_begin+0x91/0x8c0 [ 102.859446] ? do_raw_spin_unlock+0xa7/0x330 [ 102.863868] fallback_alloc+0x203/0x2e0 [ 102.867857] ____cache_alloc_node+0x1c7/0x1e0 [ 102.872365] kmem_cache_alloc+0x1f8/0x730 [ 102.876521] ? cap_capable+0x1f9/0x260 [ 102.880430] getname_flags+0xd0/0x590 [ 102.884242] user_path_mountpoint_at+0x27/0x40 [ 102.888831] ksys_umount+0x1c5/0x12d0 [ 102.892650] ? __detach_mounts+0x430/0x430 [ 102.896897] ? lock_downgrade+0x900/0x900 [ 102.901060] ? rcu_read_unlock_special+0x1d0/0x1d0 [ 102.905995] ? kasan_check_read+0x11/0x20 [ 102.910151] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 102.915438] ? rcu_softirq_qs+0x20/0x20 [ 102.919442] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 102.924903] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 102.930456] ? check_preemption_disabled+0x48/0x280 [ 102.935495] ? kasan_check_write+0x14/0x20 [ 102.939742] ? up_read+0x225/0x2c0 [ 102.943290] ? up_read_non_owner+0x100/0x100 [ 102.947715] ? do_syscall_64+0x9a/0x820 [ 102.951700] ? do_syscall_64+0x9a/0x820 [ 102.955686] ? lockdep_hardirqs_on+0x421/0x5c0 [ 102.960281] ? trace_hardirqs_on+0xbd/0x310 [ 102.964620] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 102.969998] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 102.975467] __x64_sys_umount+0x54/0x80 [ 102.979459] do_syscall_64+0x1b9/0x820 [ 102.983361] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 102.988740] ? syscall_return_slowpath+0x5e0/0x5e0 [ 102.993684] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 102.998543] ? trace_hardirqs_on_caller+0x310/0x310 [ 103.003572] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 103.008606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 103.014180] ? prepare_exit_to_usermode+0x291/0x3b0 [ 103.019218] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 103.024109] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 103.029315] RIP: 0033:0x4495b7 [ 103.032518] Code: 44 00 00 b8 08 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 5d dd fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 3d dd fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 103.051435] RSP: 002b:00007ffd822557e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 103.059183] RAX: ffffffffffffffda RBX: 0000000000004228 RCX: 00000000004495b7 [ 103.066465] RDX: 0000000040000001 RSI: 0000000000000002 RDI: 00007ffd82256930 [ 103.073744] RBP: 0000000000004228 R08: 0000000000001f72 R09: 00000000006ee940 [ 103.081027] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000000001fc [ 103.088327] R13: 00007ffd82256930 R14: 0000000000000000 R15: 0000000000000000 [ 103.101379] Mem-Info: [ 103.105807] active_anon:1380573 inactive_anon:197 isolated_anon:0 [ 103.105807] active_file:31 inactive_file:76 isolated_file:0 [ 103.105807] unevictable:0 dirty:0 writeback:0 unstable:0 [ 103.105807] slab_reclaimable:14757 slab_unreclaimable:106646 [ 103.105807] mapped:8 shmem:244 pagetables:15109 bounce:0 [ 103.105807] free:24959 free_pcp:162 free_cma:0 [ 103.142886] Node 0 active_anon:5522292kB inactive_anon:788kB active_file:124kB inactive_file:704kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:432kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 5361664kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 103.172085] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 103.203088] lowmem_reserve[]: 0 2818 6321 6321 executing program [ 103.208887] Node 0 DMA32 free:44052kB min:30052kB low:37564kB high:45076kB active_anon:2687792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888792kB mlocked:0kB kernel_stack:34176kB pagetables:18756kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 103.240502] lowmem_reserve[]: 0 0 3503 3503 [ 103.258720] Node 0 Normal free:37632kB min:37364kB low:46704kB high:56044kB active_anon:2834500kB inactive_anon:788kB active_file:124kB inactive_file:1656kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:66720kB pagetables:41680kB bounce:0kB free_pcp:844kB local_pcp:336kB free_cma:0kB [ 103.372841] lowmem_reserve[]: 0 0 0 0 [ 103.380121] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 103.394335] Node 0 DMA32: 779*4kB (UM) 29*8kB (ME) 4*16kB (ME) 8*32kB (UE) 3*64kB (ME) 2*128kB (ME) 2*256kB (ME) 3*512kB (UME) 1*1024kB (U) 0*2048kB 9*4096kB (M) = 44052kB [ 103.410350] Node 0 Normal: 2*4kB (MH) 514*8kB (UMH) 1121*16kB (UMEH) 142*32kB (UME) 63*64kB (UME) 15*128kB (ME) 2*256kB (M) 0*512kB 0*1024kB 2*2048kB (M) 0*4096kB = 37160kB [ 103.426623] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 103.435944] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 103.445213] 991 total pagecache pages [ 103.449133] 0 pages in swap cache [ 103.453021] Swap cache stats: add 0, delete 0, find 0/0 [ 103.458487] Free swap = 0kB [ 103.461584] Total swap = 0kB [ 103.472402] 1965979 pages RAM [ 103.478225] 0 pages HighMem/MovableOnly [ 103.482822] 342850 pages reserved [ 103.486388] 0 pages cma reserved [ 103.489842] Out of memory: Kill process 8102 (syz-executor431) score 0 or sacrifice child [ 103.499627] Killed process 8102 (syz-executor431) total-vm:17720kB, anon-rss:2108kB, file-rss:4kB, shmem-rss:0kB executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 111.738094] syz-executor431 invoked oom-killer: gfp_mask=0x7080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO), nodemask=(null), order=3, oom_score_adj=0 [ 111.751406] syz-executor431 cpuset=/ mems_allowed=0 [ 111.771590] CPU: 0 PID: 17026 Comm: syz-executor431 Not tainted 4.20.0 #387 [ 111.778734] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 111.788094] Call Trace: [ 111.790678] dump_stack+0x1d3/0x2c6 [ 111.794334] ? dump_stack_print_info.cold.1+0x20/0x20 [ 111.799538] ? mark_held_locks+0x130/0x130 [ 111.803764] ? mark_held_locks+0x130/0x130 [ 111.807993] dump_header+0x27b/0xf72 [ 111.811717] ? pagefault_out_of_memory+0x197/0x197 [ 111.816641] ? mark_held_locks+0x130/0x130 [ 111.820863] ? __lock_acquire+0x62f/0x4c20 [ 111.825095] ? __switch_to_asm+0x34/0x70 [ 111.829143] ? __switch_to_asm+0x34/0x70 [ 111.833197] ? __switch_to_asm+0x40/0x70 [ 111.837257] ? __switch_to_asm+0x34/0x70 [ 111.841303] ? __switch_to_asm+0x40/0x70 [ 111.845360] ? __switch_to_asm+0x34/0x70 [ 111.849425] ? __switch_to_asm+0x40/0x70 [ 111.853499] ? graph_lock+0x270/0x270 [ 111.857326] ? print_usage_bug+0xc0/0xc0 [ 111.861404] ? __sched_text_start+0x8/0x8 [ 111.865562] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 111.871110] ? find_held_lock+0x36/0x1c0 [ 111.875165] ? mark_held_locks+0xc7/0x130 [ 111.879333] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 111.884434] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 111.889530] ? lockdep_hardirqs_on+0x421/0x5c0 [ 111.894107] ? trace_hardirqs_on+0xbd/0x310 [ 111.898418] ? kasan_check_read+0x11/0x20 [ 111.902555] ? ___ratelimit+0x36f/0x655 [ 111.906521] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 111.911974] ? trace_hardirqs_on+0x310/0x310 [ 111.916388] ? lock_downgrade+0x900/0x900 [ 111.920530] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 111.925627] ? ___ratelimit+0xaa/0x655 [ 111.929504] ? idr_get_free+0xf70/0xf70 [ 111.933475] oom_kill_process.cold.27+0x10/0x903 [ 111.938225] ? graph_lock+0x270/0x270 [ 111.942028] ? rcu_gp_kthread+0xc70/0xc70 [ 111.946191] ? oom_evaluate_task+0x540/0x540 [ 111.950592] ? find_held_lock+0x36/0x1c0 [ 111.954645] ? out_of_memory+0x974/0x1430 [ 111.958787] ? lock_downgrade+0x900/0x900 [ 111.962928] ? __rcu_read_unlock+0x2d6/0x2e0 [ 111.967333] ? rcu_read_unlock_special+0x1d0/0x1d0 [ 111.972254] ? kasan_check_read+0x11/0x20 [ 111.976392] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 111.981660] ? rcu_softirq_qs+0x20/0x20 [ 111.985629] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 111.990635] ? oom_evaluate_task+0x302/0x540 [ 111.995040] out_of_memory+0xa84/0x1430 [ 111.999018] ? oom_killer_disable+0x3a0/0x3a0 [ 112.003534] ? __alloc_pages_slowpath+0xf5c/0x2df0 [ 112.008466] ? __ww_mutex_check_waiters+0x160/0x160 [ 112.013492] __alloc_pages_slowpath+0x2343/0x2df0 [ 112.018344] ? warn_alloc+0x120/0x120 [ 112.022137] ? mark_held_locks+0x130/0x130 [ 112.026368] ? find_held_lock+0x36/0x1c0 [ 112.030440] ? lock_downgrade+0x900/0x900 [ 112.034584] ? check_preemption_disabled+0x48/0x280 [ 112.039603] ? rcu_read_unlock_special+0x1d0/0x1d0 [ 112.044529] ? kasan_check_read+0x11/0x20 [ 112.048666] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 112.053932] ? rcu_softirq_qs+0x20/0x20 [ 112.057898] ? rcu_softirq_qs+0x20/0x20 [ 112.061879] ? graph_lock+0x270/0x270 [ 112.065675] ? kernel_text_address+0x79/0xf0 [ 112.070082] ? __kernel_text_address+0xd/0x40 [ 112.074572] ? unwind_get_return_address+0x61/0xa0 [ 112.079494] ? find_held_lock+0x36/0x1c0 [ 112.083551] ? ___might_sleep+0x1ed/0x300 [ 112.087685] ? lock_release+0xa00/0xa00 [ 112.091651] ? arch_local_save_flags+0x40/0x40 [ 112.096220] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 112.101580] ? get_page_from_freelist+0x5f8/0x5340 [ 112.106504] ? __might_sleep+0x95/0x190 [ 112.110473] __alloc_pages_nodemask+0xad8/0xea0 [ 112.115143] ? __alloc_pages_slowpath+0x2df0/0x2df0 [ 112.120160] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 112.125712] ? check_preemption_disabled+0x48/0x280 [ 112.130741] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 112.136290] ? rcu_pm_notify+0xc0/0xc0 [ 112.140182] ? copy_process+0x2026/0x8790 [ 112.144328] ? rcu_read_lock_sched_held+0x108/0x120 [ 112.149359] ? kmem_cache_alloc_node+0x349/0x730 [ 112.154125] copy_process+0xa09/0x8790 [ 112.158006] ? check_preemption_disabled+0x48/0x280 [ 112.163014] ? print_usage_bug+0xc0/0xc0 [ 112.167074] ? print_usage_bug+0xc0/0xc0 [ 112.171124] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 112.176398] ? warn_alloc+0x120/0x120 [ 112.180188] ? mark_held_locks+0x130/0x130 [ 112.184420] ? __cleanup_sighand+0x70/0x70 [ 112.188660] ? print_usage_bug+0xc0/0xc0 [ 112.192723] ? __lru_cache_add+0x2ff/0x4e0 [ 112.196952] ? print_usage_bug+0xc0/0xc0 [ 112.201006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 112.206537] ? wakeup_kswapd+0xcd/0x7a0 [ 112.210502] ? print_usage_bug+0xc0/0xc0 [ 112.214556] ? isolate_lru_page+0x22e0/0x22e0 [ 112.219054] ? __lock_acquire+0x62f/0x4c20 [ 112.223299] ? __lock_acquire+0x62f/0x4c20 [ 112.227538] ? __lock_acquire+0x62f/0x4c20 [ 112.231767] ? check_preemption_disabled+0x48/0x280 [ 112.236788] ? mem_cgroup_update_lru_size+0xd0/0xd0 [ 112.241802] ? mark_held_locks+0x130/0x130 [ 112.246034] ? print_usage_bug+0xc0/0xc0 [ 112.250096] ? flush_tlb_func_common.constprop.16+0x923/0xd80 [ 112.255983] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 112.260989] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 112.266002] ? warn_alloc+0x120/0x120 [ 112.269792] ? lru_cache_add+0xa50/0xa50 [ 112.273849] ? cpumask_any_but+0xb1/0xe0 [ 112.277911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 112.283443] ? check_preemption_disabled+0x48/0x280 [ 112.288456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 112.293995] ? __lru_cache_add+0x2ff/0x4e0 [ 112.298236] ? __pagevec_lru_add+0x30/0x30 [ 112.302464] ? mark_held_locks+0x130/0x130 [ 112.306689] ? find_next_bit+0x104/0x130 [ 112.310747] ? __lock_acquire+0x62f/0x4c20 [ 112.314978] ? lru_cache_add+0x417/0xa50 [ 112.319025] ? lru_cache_add_file+0x20/0x20 [ 112.323350] ? mark_held_locks+0x130/0x130 [ 112.327575] ? rcu_read_unlock_special+0x1d0/0x1d0 [ 112.332494] ? print_usage_bug+0xc0/0xc0 [ 112.336542] ? rcu_softirq_qs+0x20/0x20 [ 112.340539] ? check_preemption_disabled+0x48/0x280 [ 112.345549] ? __this_cpu_preempt_check+0x1c/0x20 [ 112.350382] ? mem_cgroup_event_ratelimit.isra.53+0x51/0x110 [ 112.356174] ? mark_held_locks+0xc7/0x130 [ 112.360330] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 112.365369] ? mem_cgroup_commit_charge+0x275/0x9d0 [ 112.370377] ? graph_lock+0x270/0x270 [ 112.374164] ? lru_cache_add+0xa50/0xa50 [ 112.378214] ? lock_downgrade+0x900/0x900 [ 112.382357] ? check_preemption_disabled+0x48/0x280 [ 112.387398] ? find_held_lock+0x36/0x1c0 [ 112.391460] ? __handle_mm_fault+0x2c3b/0x5670 [ 112.396035] ? lock_downgrade+0x900/0x900 [ 112.400183] ? kasan_check_read+0x11/0x20 [ 112.404341] ? do_raw_spin_unlock+0xa7/0x330 [ 112.408754] ? do_raw_spin_trylock+0x270/0x270 [ 112.413367] ? migration_entry_to_page+0x550/0x550 [ 112.418285] ? pte_offset_kernel+0xf0/0xf0 [ 112.422508] ? _raw_spin_unlock+0x2c/0x50 [ 112.426641] ? __handle_mm_fault+0x9b4/0x5670 [ 112.431138] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 112.435979] ? graph_lock+0x270/0x270 [ 112.439768] ? print_usage_bug+0xc0/0xc0 [ 112.443816] ? graph_lock+0x270/0x270 [ 112.447606] ? graph_lock+0x270/0x270 [ 112.451396] ? find_held_lock+0x36/0x1c0 [ 112.455463] _do_fork+0x1cb/0x11d0 [ 112.458997] ? fork_idle+0x1d0/0x1d0 [ 112.462723] ? rcu_read_unlock_special+0x1d0/0x1d0 [ 112.467656] ? kasan_check_read+0x11/0x20 [ 112.471800] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 112.477077] ? rcu_softirq_qs+0x20/0x20 [ 112.481040] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 112.486507] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 112.492058] ? check_preemption_disabled+0x48/0x280 [ 112.497080] ? kasan_check_write+0x14/0x20 [ 112.501305] ? up_read+0x225/0x2c0 [ 112.504853] ? up_read_non_owner+0x100/0x100 [ 112.509254] ? do_syscall_64+0x9a/0x820 [ 112.513217] ? do_syscall_64+0x9a/0x820 [ 112.517184] ? lockdep_hardirqs_on+0x421/0x5c0 [ 112.521756] ? trace_hardirqs_on+0xbd/0x310 [ 112.526077] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 112.531442] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 112.536920] __x64_sys_clone+0xbf/0x150 [ 112.540903] do_syscall_64+0x1b9/0x820 [ 112.544782] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 112.550155] ? syscall_return_slowpath+0x5e0/0x5e0 [ 112.555079] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 112.559915] ? trace_hardirqs_on_caller+0x310/0x310 [ 112.564923] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 112.569931] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 112.575462] ? prepare_exit_to_usermode+0x291/0x3b0 [ 112.580471] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 112.585330] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 112.590523] RIP: 0033:0x449539 [ 112.593704] Code: ff 48 85 f6 0f 84 e7 dd fb ff 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 0f 8c be dd fb ff 74 01 c3 31 ed 48 f7 c7 00 00 01 00 75 [ 112.612613] RSP: 002b:00007ffd822567a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 112.620344] RAX: ffffffffffffffda RBX: 00007f8377f7d700 RCX: 0000000000449539 [ 112.627612] RDX: 00007f8377f7d9d0 RSI: 00007f8377f7cdb0 RDI: 00000000003d0f00 [ 112.634873] RBP: 00007ffd822568f0 R08: 00007f8377f7d700 R09: 00007f8377f7d700 [ 112.642132] R10: 00007f8377f7d9d0 R11: 0000000000000202 R12: 0000000000000000 [ 112.649399] R13: 00007ffd8225685f R14: 00007f8377f7d9c0 R15: 00000000006dcd2c [ 112.658337] Mem-Info: [ 112.660888] active_anon:1380290 inactive_anon:197 isolated_anon:0 [ 112.660888] active_file:47 inactive_file:87 isolated_file:0 [ 112.660888] unevictable:0 dirty:0 writeback:0 unstable:0 [ 112.660888] slab_reclaimable:14802 slab_unreclaimable:106651 [ 112.660888] mapped:11 shmem:244 pagetables:15191 bounce:0 [ 112.660888] free:24772 free_pcp:288 free_cma:0 [ 112.695220] Node 0 active_anon:5521160kB inactive_anon:788kB active_file:288kB inactive_file:396kB unevictable:0kB isolated(anon):0kB isolated(file):128kB mapped:244kB dirty:0kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 5359616kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 112.727309] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 112.755803] lowmem_reserve[]: 0 2818 6321 6321 [ 112.761871] Node 0 DMA32 free:44052kB min:30052kB low:37564kB high:45076kB active_anon:2687792kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888792kB mlocked:0kB kernel_stack:34176kB pagetables:18756kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 112.803109] lowmem_reserve[]: 0 0 3503 3503 [ 112.832020] Node 0 Normal free:37460kB min:37364kB low:46704kB high:56044kB active_anon:2833368kB inactive_anon:788kB active_file:188kB inactive_file:2060kB unevictable:0kB writepending:0kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:67296kB pagetables:42008kB bounce:0kB free_pcp:1188kB local_pcp:652kB free_cma:0kB [ 112.881986] lowmem_reserve[]: 0 0 0 0 [ 112.885855] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 112.926735] Node 0 DMA32: 779*4kB (UM) 29*8kB (ME) 4*16kB (ME) 8*32kB (UE) 3*64kB (ME) 2*128kB (ME) 2*256kB (ME) 3*512kB (UME) 1*1024kB (U) 0*2048kB 9*4096kB (M) = 44052kB [ 112.954888] Node 0 Normal: 3*4kB (UEH) 567*8kB (UMEH) 1057*16kB (UMEH) 142*32kB (UME) 60*64kB (UM) 14*128kB (M) 3*256kB (ME) 1*512kB (E) 1*1024kB (E) 2*2048kB (M) 0*4096kB = 38036kB [ 112.971888] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 112.981228] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 112.990282] 876 total pagecache pages [ 112.994487] 0 pages in swap cache [ 112.997949] Swap cache stats: add 0, delete 0, find 0/0 [ 113.003754] Free swap = 0kB [ 113.006788] Total swap = 0kB [ 113.009808] 1965979 pages RAM [ 113.013369] 0 pages HighMem/MovableOnly [ 113.017364] 342850 pages reserved [ 113.020814] 0 pages cma reserved executing program [ 113.024628] Out of memory: Kill process 13098 (syz-executor431) score 0 or sacrifice child [ 113.033515] Killed process 13098 (syz-executor431) total-vm:17852kB, anon-rss:2116kB, file-rss:4kB, shmem-rss:0kB executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 116.652252] syz-executor431 invoked oom-killer: gfp_mask=0x6040c0(GFP_KERNEL|__GFP_COMP), nodemask=(null), order=1, oom_score_adj=0 [ 116.721971] syz-executor431 cpuset=/ mems_allowed=0 [ 116.727085] CPU: 0 PID: 8049 Comm: syz-executor431 Not tainted 4.20.0 #387 [ 116.734108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 116.743477] Call Trace: [ 116.746096] dump_stack+0x1d3/0x2c6 [ 116.749811] ? dump_stack_print_info.cold.1+0x20/0x20 [ 116.755021] dump_header+0x27b/0xf72 [ 116.758780] ? mark_held_locks+0x130/0x130 [ 116.763026] ? pagefault_out_of_memory+0x197/0x197 [ 116.767976] ? mark_held_locks+0x130/0x130 [ 116.772223] ? __lock_acquire+0x62f/0x4c20 [ 116.776606] ? find_held_lock+0x36/0x1c0 [ 116.780721] ? graph_lock+0x270/0x270 [ 116.784565] ? print_usage_bug+0xc0/0xc0 [ 116.788639] ? _raw_spin_unlock_irq+0x27/0x80 [ 116.793149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 116.798711] ? find_held_lock+0x36/0x1c0 [ 116.802793] ? mark_held_locks+0xc7/0x130 [ 116.806968] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 116.812089] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 116.817207] ? lockdep_hardirqs_on+0x421/0x5c0 [ 116.821800] ? trace_hardirqs_on+0xbd/0x310 [ 116.826185] ? kasan_check_read+0x11/0x20 [ 116.830350] ? ___ratelimit+0x36f/0x655 [ 116.834343] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 116.839815] ? trace_hardirqs_on+0x310/0x310 [ 116.844235] ? lock_downgrade+0x900/0x900 [ 116.848399] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 116.853515] ? ___ratelimit+0xaa/0x655 [ 116.857428] ? idr_get_free+0xf70/0xf70 [ 116.861437] oom_kill_process.cold.27+0x10/0x903 [ 116.866203] ? graph_lock+0x270/0x270 [ 116.870016] ? rcu_gp_kthread+0xc70/0xc70 [ 116.874213] ? oom_evaluate_task+0x540/0x540 [ 116.878631] ? find_held_lock+0x36/0x1c0 [ 116.882708] ? out_of_memory+0x974/0x1430 [ 116.886866] ? lock_downgrade+0x900/0x900 [ 116.891022] ? __rcu_read_unlock+0x2d6/0x2e0 [ 116.895457] ? rcu_read_unlock_special+0x1d0/0x1d0 [ 116.900397] ? kasan_check_read+0x11/0x20 [ 116.904559] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 116.909855] ? rcu_softirq_qs+0x20/0x20 [ 116.913844] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 116.918869] ? oom_evaluate_task+0x302/0x540 [ 116.923298] out_of_memory+0xa84/0x1430 [ 116.927297] ? oom_killer_disable+0x3a0/0x3a0 [ 116.931810] ? __alloc_pages_slowpath+0xf5c/0x2df0 [ 116.936764] ? __ww_mutex_check_waiters+0x160/0x160 [ 116.941804] __alloc_pages_slowpath+0x2343/0x2df0 [ 116.946690] ? warn_alloc+0x120/0x120 [ 116.950514] ? warn_alloc+0x120/0x120 [ 116.954338] ? mark_held_locks+0x130/0x130 [ 116.958590] ? print_usage_bug+0xc0/0xc0 [ 116.962659] ? __lock_acquire+0x62f/0x4c20 [ 116.966898] ? delayacct_end+0x5a/0x100 [ 116.970887] ? print_usage_bug+0xc0/0xc0 [ 116.974958] ? graph_lock+0x270/0x270 [ 116.978780] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 116.984341] ? graph_lock+0x270/0x270 [ 116.988166] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 116.993284] ? find_held_lock+0x36/0x1c0 [ 116.997371] ? ___might_sleep+0x1ed/0x300 [ 117.001523] ? lock_release+0xa00/0xa00 [ 117.005504] ? arch_local_save_flags+0x40/0x40 [ 117.010100] ? check_preemption_disabled+0x48/0x280 [ 117.015147] ? __might_sleep+0x95/0x190 [ 117.019141] __alloc_pages_nodemask+0xad8/0xea0 [ 117.023824] ? __alloc_pages_slowpath+0x2df0/0x2df0 [ 117.028866] ? cache_grow_begin+0x5a4/0x8c0 [ 117.033201] ? lockdep_hardirqs_on+0x421/0x5c0 [ 117.037813] ? trace_hardirqs_on+0xbd/0x310 [ 117.042149] ? fallback_alloc+0x203/0x2e0 [ 117.046308] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 117.051782] ? ____cache_alloc_node+0x16b/0x1e0 [ 117.056465] ? lock_downgrade+0x900/0x900 [ 117.060637] cache_grow_begin+0x91/0x8c0 [ 117.064705] ? do_raw_spin_unlock+0xa7/0x330 [ 117.069153] fallback_alloc+0x203/0x2e0 [ 117.073145] ____cache_alloc_node+0x1c7/0x1e0 [ 117.077663] kmem_cache_alloc_node+0xe3/0x730 [ 117.082185] copy_process+0x2026/0x8790 [ 117.086172] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 117.091719] ? mark_page_accessed+0xcaf/0x2040 [ 117.096306] ? find_get_entry+0xaae/0x1120 [ 117.100556] ? activate_page+0x1040/0x1040 [ 117.104801] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 117.110348] ? mark_page_accessed+0xcaf/0x2040 [ 117.114939] ? activate_page+0x1040/0x1040 [ 117.119188] ? print_usage_bug+0xc0/0xc0 [ 117.123267] ? print_usage_bug+0xc0/0xc0 [ 117.127374] ? __cleanup_sighand+0x70/0x70 [ 117.131619] ? print_usage_bug+0xc0/0xc0 [ 117.135700] ? __lock_acquire+0x62f/0x4c20 [ 117.139940] ? check_preemption_disabled+0x48/0x280 [ 117.145009] ? mark_held_locks+0x130/0x130 [ 117.149262] ? __find_get_block+0x3be/0xf20 [ 117.153596] ? print_usage_bug+0xc0/0xc0 [ 117.157662] ? print_usage_bug+0xc0/0xc0 [ 117.161732] ? __lock_is_held+0xb5/0x140 [ 117.165806] ? graph_lock+0x270/0x270 [ 117.169638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 117.175185] ? check_preemption_disabled+0x48/0x280 [ 117.180218] ? __lock_acquire+0x62f/0x4c20 [ 117.184463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 117.190023] ? check_preemption_disabled+0x48/0x280 [ 117.195091] ? mark_held_locks+0x130/0x130 [ 117.199359] ? __find_get_block+0x3be/0xf20 [ 117.203742] ? print_usage_bug+0xc0/0xc0 [ 117.207814] ? __lock_is_held+0xb5/0x140 [ 117.211892] ? graph_lock+0x270/0x270 [ 117.215717] ? print_usage_bug+0xc0/0xc0 [ 117.219785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 117.225347] ? __lock_acquire+0x62f/0x4c20 [ 117.229591] ? __lock_is_held+0xb5/0x140 [ 117.233671] ? __lock_acquire+0x62f/0x4c20 [ 117.237919] ? print_usage_bug+0xc0/0xc0 [ 117.241988] ? mark_buffer_dirty+0x1c6/0x8e0 [ 117.246418] ? __lock_is_held+0xb5/0x140 [ 117.250504] ? print_usage_bug+0xc0/0xc0 [ 117.254570] ? mark_held_locks+0x130/0x130 [ 117.258824] ? print_usage_bug+0xc0/0xc0 [ 117.262896] ? __lock_acquire+0x62f/0x4c20 [ 117.267145] ? __lock_acquire+0x62f/0x4c20 [ 117.271416] ? mark_held_locks+0x130/0x130 [ 117.275661] ? kasan_check_write+0x14/0x20 [ 117.279903] ? ext4_mark_iloc_dirty+0x199a/0x2f30 [ 117.284770] ? mark_held_locks+0x130/0x130 [ 117.289014] ? mark_held_locks+0x130/0x130 [ 117.293270] ? find_held_lock+0x36/0x1c0 [ 117.297358] ? find_held_lock+0x36/0x1c0 [ 117.301436] ? graph_lock+0x270/0x270 [ 117.305253] ? lock_downgrade+0x900/0x900 [ 117.309420] ? kasan_check_read+0x11/0x20 [ 117.313585] ? find_held_lock+0x36/0x1c0 [ 117.317664] ? mntput_no_expire+0x1ba/0xc00 [ 117.322001] ? lock_downgrade+0x900/0x900 [ 117.326175] ? check_preemption_disabled+0x48/0x280 [ 117.331304] ? rcu_read_unlock_special+0x1d0/0x1d0 [ 117.336248] ? kasan_check_read+0x11/0x20 [ 117.340403] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 117.345695] ? lock_downgrade+0x900/0x900 [ 117.349854] _do_fork+0x1cb/0x11d0 [ 117.353409] ? fork_idle+0x1d0/0x1d0 [ 117.357141] ? dput.part.25+0x26d/0x790 [ 117.361123] ? shrink_dcache_sb+0x350/0x350 [ 117.365451] ? check_preemption_disabled+0x48/0x280 [ 117.370482] ? mntput+0x74/0xa0 [ 117.373789] ? do_syscall_64+0x9a/0x820 [ 117.377766] ? do_syscall_64+0x9a/0x820 [ 117.381798] ? lockdep_hardirqs_on+0x421/0x5c0 [ 117.386394] ? trace_hardirqs_on+0xbd/0x310 [ 117.390729] ? __ia32_sys_mknod+0xb0/0xb0 [ 117.394885] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 117.400261] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 117.405725] __x64_sys_clone+0xbf/0x150 [ 117.409713] do_syscall_64+0x1b9/0x820 [ 117.413610] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 117.418985] ? syscall_return_slowpath+0x5e0/0x5e0 [ 117.423922] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 117.428782] ? trace_hardirqs_on_caller+0x310/0x310 [ 117.433808] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 117.438835] ? prepare_exit_to_usermode+0x291/0x3b0 [ 117.443873] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 117.448734] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 117.453932] RIP: 0033:0x44539a [ 117.457133] Code: f7 d8 64 89 04 25 d4 02 00 00 64 4c 8b 0c 25 10 00 00 00 31 d2 4d 8d 91 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 f5 00 00 00 85 c0 41 89 c5 0f 85 fc 00 00 [ 117.476045] RSP: 002b:00007ffd82256890 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 117.483794] RAX: ffffffffffffffda RBX: 00007ffd82256890 RCX: 000000000044539a [ 117.491096] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 117.498406] RBP: 00007ffd822568d0 R08: 0000000000001f71 R09: 00000000006ee940 [ 117.505687] R10: 00000000006eec10 R11: 0000000000000246 R12: 0000000000001f71 [ 117.512965] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 117.523139] Mem-Info: [ 117.526892] active_anon:1380004 inactive_anon:197 isolated_anon:0 [ 117.526892] active_file:65 inactive_file:144 isolated_file:21 [ 117.526892] unevictable:0 dirty:12 writeback:0 unstable:0 [ 117.526892] slab_reclaimable:14851 slab_unreclaimable:106798 [ 117.526892] mapped:67 shmem:244 pagetables:15269 bounce:0 [ 117.526892] free:24638 free_pcp:256 free_cma:0 [ 117.563040] Node 0 active_anon:5520020kB inactive_anon:788kB active_file:164kB inactive_file:988kB unevictable:0kB isolated(anon):0kB isolated(file):20kB mapped:344kB dirty:56kB writeback:0kB shmem:976kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 5357568kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 117.592458] Node 0 DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 117.620773] lowmem_reserve[]: 0 2818 6321 6321 [ 117.627212] Node 0 DMA32 free:43968kB min:30052kB low:37564kB high:45076kB active_anon:2685860kB inactive_anon:0kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2888792kB mlocked:0kB kernel_stack:34752kB pagetables:18796kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 117.660468] lowmem_reserve[]: 0 0 3503 3503 [ 117.695790] Node 0 Normal free:37160kB min:37364kB low:46704kB high:56044kB active_anon:2834160kB inactive_anon:788kB active_file:160kB inactive_file:1696kB unevictable:0kB writepending:56kB present:4718592kB managed:3587816kB mlocked:0kB kernel_stack:67104kB pagetables:42280kB bounce:0kB free_pcp:540kB local_pcp:460kB free_cma:0kB [ 117.758854] lowmem_reserve[]: 0 0 0 0 [ 117.767270] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 117.795431] Node 0 DMA32: 750*4kB (UME) 29*8kB (ME) 4*16kB (ME) 5*32kB (UE) 5*64kB (UME) 2*128kB (UM) 2*256kB (ME) 3*512kB (UME) 1*1024kB (U) 2*2048kB (UM) 8*4096kB (M) = 43968kB [ 117.828459] Node 0 Normal: 114*4kB (UMH) 503*8kB (UMH) 1067*16kB (UMEH) 149*32kB (UME) 60*64kB (UM) 15*128kB (ME) 3*256kB (ME) 1*512kB (E) 1*1024kB (E) 2*2048kB (M) 0*4096kB = 38480kB [ 117.858329] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 117.867259] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 117.875881] 666 total pagecache pages [ 117.879695] 0 pages in swap cache [ 117.883197] Swap cache stats: add 0, delete 0, find 0/0 [ 117.888572] Free swap = 0kB [ 117.891584] Total swap = 0kB [ 117.894643] 1965979 pages RAM [ 117.897747] 0 pages HighMem/MovableOnly [ 117.901716] 342850 pages reserved [ 117.905202] 0 pages cma reserved [ 117.908574] Out of memory: Kill process 8075 (syz-executor431) score 0 or sacrifice child [ 117.917858] Killed process 8075 (syz-executor431) total-vm:17720kB, anon-rss:2108kB, file-rss:0kB, shmem-rss:0kB [ 117.930383] oom_reaper: reaped process 8075 (syz-executor431), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB executing program executing program executing program executing program [ 119.435375] Kernel panic - not syncing: corrupted stack end detected inside scheduler [ 119.443849] CPU: 1 PID: 44 Comm: kworker/u4:2 Not tainted 4.20.0 #387 [ 119.450444] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 119.459844] Workqueue: writeback wb_workfn (flush-8:0) [ 119.465615] Call Trace: [ 119.468203] dump_stack+0x1d3/0x2c6 [ 119.471835] ? dump_stack_print_info.cold.1+0x20/0x20 [ 119.477030] panic+0x2ad/0x55c [ 119.480222] ? add_taint.cold.5+0x16/0x16 [ 119.484359] ? print_usage_bug+0xc0/0xc0 [ 119.488415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 119.493966] ? check_preemption_disabled+0x48/0x280 [ 119.498978] ? check_preemption_disabled+0x3a/0x280 [ 119.503989] __schedule+0x1ec6/0x1ed0 [ 119.507784] ? graph_lock+0x270/0x270 [ 119.511579] ? __sched_text_start+0x8/0x8 [ 119.515728] ? graph_lock+0x270/0x270 [ 119.519543] ? print_usage_bug+0xc0/0xc0 [ 119.523606] ? find_held_lock+0x36/0x1c0 [ 119.527659] schedule+0xfe/0x460 [ 119.531017] ? __schedule+0x1ed0/0x1ed0 [ 119.534981] ? lockdep_hardirqs_on+0x421/0x5c0 [ 119.539556] ? trace_hardirqs_on+0xbd/0x310 [ 119.543866] ? kasan_check_read+0x11/0x20 [ 119.548007] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 119.553450] ? __switch_to_asm+0x34/0x70 [ 119.557509] rwsem_down_read_failed+0x371/0x710 [ 119.562175] ? rt_mutex_futex_unlock+0x120/0x120 [ 119.566927] ? graph_lock+0x270/0x270 [ 119.570911] ? __sched_text_start+0x8/0x8 [ 119.575062] ? __lock_is_held+0xb5/0x140 [ 119.579116] ? lock_acquire+0x1ed/0x520 [ 119.583081] ? rmap_walk_file+0xa7e/0x1190 [ 119.587308] ? lock_release+0xa00/0xa00 [ 119.591271] ? arch_local_save_flags+0x40/0x40 [ 119.595853] call_rwsem_down_read_failed+0x18/0x30 [ 119.600779] down_read+0x9b/0x120 [ 119.604223] ? rmap_walk_file+0xa7e/0x1190 [ 119.608450] ? __down_interruptible+0x700/0x700 [ 119.613119] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 119.618651] rmap_walk_file+0xa7e/0x1190 [ 119.622710] ? page_mkclean_one+0x7d0/0x7d0 [ 119.627029] ? page_mkclean_one+0x7d0/0x7d0 [ 119.631351] ? trace_hardirqs_on+0xbd/0x310 [ 119.635666] ? __remove_mapping+0x932/0x1af0 [ 119.640073] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 119.645616] ? mark_held_locks+0x130/0x130 [ 119.649848] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 119.654966] ? __remove_mapping+0xb19/0x1af0 [ 119.659372] ? kasan_check_read+0x11/0x20 [ 119.663512] ? total_mapcount+0x2c8/0x940 [ 119.667658] ? vma_adjust_trans_huge+0x310/0x310 [ 119.672409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 119.677942] ? page_mapped+0x366/0x810 [ 119.681828] ? mark_held_locks+0xc7/0x130 [ 119.685972] ? page_mapping+0xa50/0xa50 [ 119.689964] ? free_unref_page_list+0xc0c/0x11e0 [ 119.694741] ? lockdep_hardirqs_on+0x421/0x5c0 [ 119.699320] rmap_walk+0x22c/0x350 [ 119.703061] ? page_get_anon_vma+0x6d0/0x6d0 [ 119.707459] ? rmap_walk+0x231/0x350 [ 119.711160] ? page_get_anon_vma+0x6d0/0x6d0 [ 119.715559] try_to_unmap+0x1f3/0xa40 [ 119.719366] ? rmap_walk_locked+0x360/0x360 [ 119.723678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 119.729205] ? page_remove_rmap+0x1a30/0x1a30 [ 119.733707] ? page_not_mapped+0x20/0x20 [ 119.737757] ? __anon_vma_prepare+0x6c0/0x6c0 [ 119.742275] ? page_referenced+0x2d5/0xaa0 [ 119.746527] ? page_mapping+0xa50/0xa50 [ 119.750517] ? rmap_walk+0x350/0x350 [ 119.754246] ? kasan_check_read+0x11/0x20 [ 119.758382] ? rcu_softirq_qs+0x20/0x20 [ 119.762348] ? page_mapcount_is_zero+0x30/0x30 [ 119.766917] ? __anon_vma_prepare+0x6c0/0x6c0 [ 119.771413] ? page_evictable+0x305/0x540 [ 119.775567] ? kswapd_stop+0x100/0x100 [ 119.779459] ? ___might_sleep+0x1ed/0x300 [ 119.783593] ? arch_local_save_flags+0x40/0x40 [ 119.788172] shrink_page_list+0x72b8/0xc620 [ 119.792493] ? page_evictable+0x540/0x540 [ 119.796647] ? __page_frag_cache_drain+0x1e0/0x210 [ 119.801595] ? lockdep_hardirqs_on+0x421/0x5c0 [ 119.806163] ? trace_hardirqs_on+0xbd/0x310 [ 119.810475] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 119.815998] ? mem_cgroup_uncharge_list+0x17b/0x210 [ 119.821006] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 119.826445] ? check_preemption_disabled+0x48/0x280 [ 119.831448] ? __this_cpu_preempt_check+0x1c/0x20 [ 119.836321] ? uncharge_batch+0x451/0x760 [ 119.840461] ? mem_cgroup_uncharge_list+0x17b/0x210 [ 119.845463] ? mem_cgroup_uncharge+0x100/0x100 [ 119.850034] ? arch_local_save_flags+0x40/0x40 [ 119.854627] ? shrink_page_list+0x64b4/0xc620 [ 119.859113] ? rb_erase_cached+0xc78/0x3720 [ 119.863435] ? rb_next+0x140/0x140 [ 119.866965] ? page_evictable+0x540/0x540 [ 119.871112] ? rb_erase_cached+0xc78/0x3720 [ 119.875427] ? rb_erase_cached+0xc78/0x3720 [ 119.879739] ? rb_next+0x140/0x140 [ 119.883283] ? rb_erase_cached+0xc78/0x3720 [ 119.887601] ? rb_erase_cached+0xc78/0x3720 [ 119.891912] ? graph_lock+0x270/0x270 [ 119.895714] ? rb_next+0x140/0x140 [ 119.899242] ? __update_load_avg_blocked_se+0x690/0x690 [ 119.904597] ? __update_load_avg_se+0xae0/0xae0 [ 119.909250] ? graph_lock+0x270/0x270 [ 119.913061] ? update_load_avg+0x387/0x2470 [ 119.917388] ? attach_entity_load_avg+0x860/0x860 [ 119.922219] ? update_load_avg+0x387/0x2470 [ 119.926525] ? __update_load_avg_se+0x5eb/0xae0 [ 119.931179] ? mark_held_locks+0x130/0x130 [ 119.935409] ? attach_entity_load_avg+0x860/0x860 [ 119.940246] ? rb_erase_cached+0xc78/0x3720 [ 119.944562] ? rb_erase_cached+0xc78/0x3720 [ 119.948877] ? rb_erase+0x3710/0x3710 [ 119.952669] ? graph_lock+0x270/0x270 [ 119.956460] ? print_usage_bug+0xc0/0xc0 [ 119.960517] ? graph_lock+0x270/0x270 [ 119.964305] ? print_usage_bug+0xc0/0xc0 [ 119.968358] ? __update_load_avg_se+0x5eb/0xae0 [ 119.973018] ? __update_load_avg_blocked_se+0x690/0x690 [ 119.978387] ? print_usage_bug+0xc0/0xc0 [ 119.982440] ? print_usage_bug+0xc0/0xc0 [ 119.986491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 119.992018] ? check_preemption_disabled+0x48/0x280 [ 119.997025] ? print_usage_bug+0xc0/0xc0 [ 120.001079] ? __lock_is_held+0xb5/0x140 [ 120.005131] ? graph_lock+0x270/0x270 [ 120.008922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 120.014455] ? __lock_is_held+0xb5/0x140 [ 120.018514] ? rcu_read_lock_sched_held+0x108/0x120 [ 120.023522] ? update_cfs_rq_load_avg.part.69+0x253/0x2e0 [ 120.029070] ? tg_unthrottle_up+0x220/0x220 [ 120.033401] ? update_load_avg+0x13b8/0x2470 [ 120.037801] ? attach_entity_load_avg+0x860/0x860 [ 120.042631] ? kasan_alloc_pages+0x38/0x40 [ 120.046861] ? get_page_from_freelist+0x16db/0x5340 [ 120.051870] ? graph_lock+0x270/0x270 [ 120.055692] ? graph_lock+0x270/0x270 [ 120.059487] ? rb_erase+0x3710/0x3710 [ 120.063310] ? print_usage_bug+0xc0/0xc0 [ 120.067385] ? graph_lock+0x270/0x270 [ 120.071172] ? find_held_lock+0x36/0x1c0 [ 120.075244] ? cpuacct_charge+0x265/0x440 [ 120.079401] ? __lock_acquire+0x62f/0x4c20 [ 120.083626] ? update_curr+0x4cf/0xbe0 [ 120.087508] ? mark_held_locks+0x130/0x130 [ 120.091731] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 120.097010] ? rcu_softirq_qs+0x20/0x20 [ 120.100982] ? update_curr+0x4ec/0xbe0 [ 120.104879] ? __account_cfs_rq_runtime+0x790/0x790 [ 120.109906] ? graph_lock+0x270/0x270 [ 120.113700] ? __cpu_to_node+0x7d/0xa0 [ 120.117577] ? account_entity_enqueue+0x3a3/0x660 [ 120.122417] ? graph_lock+0x270/0x270 [ 120.126210] ? enqueue_entity+0x34b/0x1ff0 [ 120.130435] ? __lock_acquire+0x62f/0x4c20 [ 120.134664] ? update_curr+0x344/0xbe0 [ 120.138561] ? find_held_lock+0x36/0x1c0 [ 120.142614] ? page_vma_mapped_walk+0x2ec/0x27f0 [ 120.147361] ? lock_downgrade+0x900/0x900 [ 120.151520] ? kasan_check_read+0x11/0x20 [ 120.155656] ? do_raw_spin_unlock+0xa7/0x330 [ 120.160072] ? do_raw_spin_trylock+0x270/0x270 [ 120.164647] ? __ia32_sys_msync+0x510/0x510 [ 120.168962] ? _raw_spin_unlock+0x2c/0x50 [ 120.173102] ? page_vma_mapped_walk+0x2f1/0x27f0 [ 120.177858] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 120.183388] ? __isolate_lru_page+0xd05/0x1540 [ 120.187966] ? graph_lock+0x270/0x270 [ 120.191760] ? graph_lock+0x270/0x270 [ 120.195555] ? mark_held_locks+0x130/0x130 [ 120.199782] ? update_load_avg+0x13b8/0x2470 [ 120.204188] ? find_held_lock+0x36/0x1c0 [ 120.208251] ? lock_downgrade+0x900/0x900 [ 120.212402] ? page_referenced_one+0x5aa/0x840 [ 120.216982] ? kasan_check_write+0x14/0x20 [ 120.221210] ? up_read+0x225/0x2c0 [ 120.224743] ? up_read_non_owner+0x100/0x100 [ 120.229147] ? trace_hardirqs_off+0xb8/0x310 [ 120.233567] ? trace_hardirqs_on+0x310/0x310 [ 120.237977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 120.243533] ? check_preemption_disabled+0x48/0x280 [ 120.248546] ? count_memcg_events+0x1ac/0x2a0 [ 120.253035] ? move_active_pages_to_lru+0x1461/0x19b0 [ 120.258230] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 120.263778] ? __isolate_lru_page+0xd05/0x1540 [ 120.268368] ? putback_lru_page+0x280/0x280 [ 120.272691] ? mark_held_locks+0x130/0x130 [ 120.276919] ? mark_held_locks+0xc7/0x130 [ 120.281067] ? putback_inactive_pages+0x1eb3/0x27e0 [ 120.286080] ? free_unref_page_list+0xc0c/0x11e0 [ 120.290834] ? shrink_active_list+0x14f4/0x1f00 [ 120.295494] ? graph_lock+0x270/0x270 [ 120.299286] ? reclaim_clean_pages_from_list+0x1310/0x1310 [ 120.304900] ? unlock_page+0x2c2/0x4c0 [ 120.308783] ? graph_lock+0x270/0x270 [ 120.312589] ? page_get_anon_vma+0x6d0/0x6d0 [ 120.316992] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 120.322532] ? check_preemption_disabled+0x48/0x280 [ 120.327545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 120.333078] ? check_preemption_disabled+0x48/0x280 [ 120.338085] ? __lock_is_held+0xb5/0x140 [ 120.342143] ? __this_cpu_preempt_check+0x1c/0x20 [ 120.346974] ? __mod_zone_page_state+0x8a/0xf0 [ 120.351545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 120.357079] ? isolate_lru_pages.isra.57+0xc7d/0x19e0 [ 120.362282] ? __isolate_lru_page+0x1540/0x1540 [ 120.366999] ? print_usage_bug+0xc0/0xc0 [ 120.371060] ? mark_held_locks+0x130/0x130 [ 120.375282] ? print_usage_bug+0xc0/0xc0 [ 120.379336] ? free_unref_page_list+0xc0c/0x11e0 [ 120.384093] ? free_unref_page_list+0xc0c/0x11e0 [ 120.388843] ? lockdep_hardirqs_on+0x421/0x5c0 [ 120.393417] ? trace_hardirqs_on+0xbd/0x310 [ 120.397817] ? do_raw_spin_unlock+0xa7/0x330 [ 120.402221] ? shrink_inactive_list+0xa4a/0x1c60 [ 120.406987] ? __lock_acquire+0x62f/0x4c20 [ 120.411217] ? graph_lock+0x270/0x270 [ 120.415007] ? __lock_acquire+0x62f/0x4c20 [ 120.419251] ? graph_lock+0x270/0x270 [ 120.423042] ? print_usage_bug+0xc0/0xc0 [ 120.427107] ? find_held_lock+0x36/0x1c0 [ 120.431160] ? mark_held_locks+0xc7/0x130 [ 120.435299] ? _raw_spin_unlock_irq+0x27/0x80 [ 120.439784] ? _raw_spin_unlock_irq+0x27/0x80 [ 120.444275] ? lockdep_hardirqs_on+0x421/0x5c0 [ 120.448851] ? trace_hardirqs_on+0xbd/0x310 [ 120.453158] ? kasan_check_read+0x11/0x20 [ 120.457298] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 120.462754] ? trace_hardirqs_on+0x310/0x310 [ 120.467172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 120.472703] ? check_preemption_disabled+0x48/0x280 [ 120.477731] shrink_inactive_list+0x77b/0x1c60 [ 120.482313] ? putback_inactive_pages+0x27e0/0x27e0 [ 120.487328] ? kasan_check_read+0x11/0x20 [ 120.491474] ? mem_cgroup_get_nr_swap_pages+0xa1/0x340 [ 120.496760] ? blk_lld_busy+0x70/0x70 [ 120.500565] ? kasan_check_read+0x11/0x20 [ 120.504709] ? throttle_direct_reclaim+0x9e0/0x9e0 [ 120.509670] shrink_node_memcg+0x78b/0x18f0 [ 120.513999] ? check_preemption_disabled+0x48/0x280 [ 120.519026] ? shrink_active_list+0x1f00/0x1f00 [ 120.523692] ? mem_cgroup_from_id+0x30/0x30 [ 120.528011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 120.533539] ? compaction_suitable+0x1cc/0x550 [ 120.538113] ? print_usage_bug+0xc0/0xc0 [ 120.542186] ? isolate_migratepages_range+0x270/0x270 [ 120.547375] ? kasan_check_read+0x11/0x20 [ 120.551516] ? node_page_state+0x74/0x110 [ 120.555668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 120.561201] shrink_node+0x3bc/0x16b0 [ 120.564999] ? mem_cgroup_split_huge_fixup+0x1b0/0x1b0 [ 120.570294] ? shrink_node_memcg+0x18f0/0x18f0 [ 120.574887] ? kvm_clock_read+0x18/0x30 [ 120.578856] ? ktime_get+0x2c1/0x400 [ 120.582576] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 120.587070] ? graph_lock+0x270/0x270 [ 120.590866] ? free_unref_page_list+0x11e0/0x11e0 [ 120.595720] ? activate_page+0x1040/0x1040 [ 120.599950] do_try_to_free_pages+0x3df/0x1290 [ 120.604525] ? graph_lock+0x270/0x270 [ 120.608327] ? shrink_node+0x16b0/0x16b0 [ 120.612382] ? __lock_is_held+0xb5/0x140 [ 120.616442] try_to_free_pages+0x4d0/0xb90 [ 120.620688] ? do_try_to_free_pages+0x1290/0x1290 [ 120.625540] ? kasan_check_read+0x11/0x20 [ 120.629691] ? psi_memstall_enter+0x24f/0x2c0 [ 120.634174] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 120.639614] ? lock_repin_lock+0x430/0x430 [ 120.643844] ? _raw_spin_unlock_irq+0x60/0x80 [ 120.648327] ? psi_memstall_enter+0x24f/0x2c0 [ 120.652811] ? psi_memstall_tick+0x230/0x230 [ 120.657212] ? print_usage_bug+0xc0/0xc0 [ 120.661265] __alloc_pages_slowpath+0xa48/0x2df0 [ 120.666025] ? warn_alloc+0x120/0x120 [ 120.669836] ? print_usage_bug+0xc0/0xc0 [ 120.673886] ? warn_alloc+0x120/0x120 [ 120.677688] ? __lock_acquire+0x62f/0x4c20 [ 120.681914] ? print_usage_bug+0xc0/0xc0 [ 120.686008] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 120.691533] ? __lock_acquire+0x62f/0x4c20 [ 120.695768] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 120.701302] ? should_fail+0x22d/0xd01 [ 120.705185] ? graph_lock+0x270/0x270 [ 120.708975] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 120.714079] ? __lock_is_held+0xb5/0x140 [ 120.718130] ? graph_lock+0x270/0x270 [ 120.721949] ? ___might_sleep+0x1ed/0x300 [ 120.726126] ? arch_local_save_flags+0x40/0x40 [ 120.730710] ? check_preemption_disabled+0x48/0x280 [ 120.735729] ? __might_sleep+0x95/0x190 [ 120.739693] __alloc_pages_nodemask+0xad8/0xea0 [ 120.744356] ? __alloc_pages_slowpath+0x2df0/0x2df0 [ 120.749369] ? mark_held_locks+0xc7/0x130 [ 120.753509] ? cache_grow_begin+0x5a4/0x8c0 [ 120.757817] ? lockdep_hardirqs_on+0x421/0x5c0 [ 120.762394] ? trace_hardirqs_on+0xbd/0x310 [ 120.766719] ? fallback_alloc+0x203/0x2e0 [ 120.770867] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 120.776321] ? ____cache_alloc_node+0x16b/0x1e0 [ 120.780983] ? lock_downgrade+0x900/0x900 [ 120.785123] ? graph_lock+0x270/0x270 [ 120.788915] cache_grow_begin+0x91/0x8c0 [ 120.792975] ? do_raw_spin_unlock+0xa7/0x330 [ 120.797376] fallback_alloc+0x203/0x2e0 [ 120.801362] ____cache_alloc_node+0x1c7/0x1e0 [ 120.805862] kmem_cache_alloc+0x1f8/0x730 [ 120.810013] ? mempool_free+0x370/0x370 [ 120.813977] mempool_alloc_slab+0x44/0x60 [ 120.818129] mempool_alloc+0x193/0x4a0 [ 120.822020] ? mempool_destroy+0x30/0x30 [ 120.826073] ? kasan_check_write+0x14/0x20 [ 120.830323] ? bio_init+0x13c/0x270 [ 120.833945] ? bio_add_page+0x130/0x130 [ 120.837918] ? rcu_read_unlock_special+0x1d0/0x1d0 [ 120.842853] ? kasan_check_read+0x11/0x20 [ 120.847004] bvec_alloc+0x12a/0x2d0 [ 120.850622] bio_alloc_bioset+0x47a/0x700 [ 120.854759] ? bvec_alloc+0x2d0/0x2d0 [ 120.858547] ? balance_dirty_pages_ratelimited+0x23a0/0x23a0 [ 120.864341] ext4_bio_write_page+0x114f/0x19c3 [ 120.868919] ? ext4_io_submit_init+0x90/0x90 [ 120.873346] ? graph_lock+0x270/0x270 [ 120.877140] ? __read_once_size_nocheck.constprop.8+0x10/0x10 [ 120.883014] ? __lock_acquire+0x62f/0x4c20 [ 120.887249] ? activate_page+0x1040/0x1040 [ 120.891478] ? __lock_is_held+0xb5/0x140 [ 120.895553] mpage_submit_page+0x15e/0x270 [ 120.899783] mpage_process_page_bufs+0x50a/0x600 [ 120.904533] mpage_prepare_extent_to_map+0xea5/0x19c0 [ 120.909721] ? ext4_journalled_zero_new_buffers+0x570/0x570 [ 120.915422] ? save_stack+0x43/0xd0 [ 120.919038] ? kasan_slab_alloc+0x12/0x20 [ 120.923184] ? kmem_cache_alloc+0x12e/0x730 [ 120.927491] ? ext4_init_io_end+0x96/0x220 [ 120.931711] ? ext4_writepages+0x13d9/0x4180 [ 120.936107] ? do_writepages+0x9a/0x1a0 [ 120.940072] ? __writeback_single_inode+0x20a/0x1660 [ 120.945173] ? writeback_sb_inodes+0x71f/0x1210 [ 120.949853] ? wb_writeback+0xa73/0xfc0 [ 120.953817] ? wb_workfn+0xee9/0x1790 [ 120.957606] ? process_one_work+0xc90/0x1c40 [ 120.962000] ? worker_thread+0x17f/0x1390 [ 120.966133] ? kthread+0x35a/0x440 [ 120.969656] ? ret_from_fork+0x3a/0x50 [ 120.973535] ? find_held_lock+0x36/0x1c0 [ 120.977588] ? graph_lock+0x270/0x270 [ 120.981401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 120.986953] ? check_preemption_disabled+0x48/0x280 [ 120.991995] ? __lock_is_held+0xb5/0x140 [ 120.996065] ? rcu_read_lock_sched_held+0x108/0x120 [ 121.001081] ? kmem_cache_alloc+0x33a/0x730 [ 121.005400] ? blk_start_plug+0xcc/0x370 [ 121.009463] ? ext4_init_io_end+0x96/0x220 [ 121.013692] ? ext4_end_io_rsv_work+0x920/0x920 [ 121.018353] ? __lock_is_held+0xb5/0x140 [ 121.022411] ext4_writepages+0x140c/0x4180 [ 121.026653] ? ext4_mark_inode_dirty+0xb20/0xb20 [ 121.031404] ? print_usage_bug+0xc0/0xc0 [ 121.035459] ? io_schedule+0x1c/0x70 [ 121.039170] ? __lock_acquire+0x62f/0x4c20 [ 121.043405] ? init_wait_var_entry+0x1a0/0x1a0 [ 121.047978] ? print_usage_bug+0xc0/0xc0 [ 121.052033] ? __lock_acquire+0x62f/0x4c20 [ 121.056264] ? mark_held_locks+0x130/0x130 [ 121.060488] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 121.066031] ? __ext4_get_inode_loc+0x470/0x1330 [ 121.070802] ? mark_held_locks+0x130/0x130 [ 121.075036] ? graph_lock+0x270/0x270 [ 121.078838] ? kasan_check_write+0x14/0x20 [ 121.083083] ? __brelse+0x104/0x180 [ 121.086725] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 121.092281] ? check_preemption_disabled+0x48/0x280 [ 121.097289] ? ext4_mark_inode_dirty+0xb20/0xb20 [ 121.102059] do_writepages+0x9a/0x1a0 [ 121.105878] ? ext4_mark_inode_dirty+0xb20/0xb20 [ 121.110618] ? do_writepages+0x9a/0x1a0 [ 121.114586] __writeback_single_inode+0x20a/0x1660 [ 121.119512] ? __mark_inode_dirty+0x1510/0x1510 [ 121.124183] ? find_held_lock+0x36/0x1c0 [ 121.128239] ? find_held_lock+0x36/0x1c0 [ 121.132295] ? wbc_attach_and_unlock_inode+0x5c0/0xa30 [ 121.137561] ? lock_downgrade+0x900/0x900 [ 121.141697] ? find_held_lock+0x13f/0x1c0 [ 121.145838] ? kasan_check_read+0x11/0x20 [ 121.149971] ? do_raw_spin_unlock+0xa7/0x330 [ 121.154389] ? do_raw_spin_trylock+0x270/0x270 [ 121.158963] ? __lock_is_held+0xb5/0x140 [ 121.163021] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 121.168565] ? wbc_attach_and_unlock_inode+0x675/0xa30 [ 121.173842] ? __writeback_single_inode+0x1660/0x1660 [ 121.179030] writeback_sb_inodes+0x71f/0x1210 [ 121.183528] ? wbc_detach_inode+0x940/0x940 [ 121.187861] ? lock_release+0xa00/0xa00 [ 121.191840] ? down_read_trylock+0xda/0x140 [ 121.196153] ? trylock_super+0x22/0x110 [ 121.200117] ? downgrade_write+0x270/0x270 [ 121.204348] ? up_read_non_owner+0x100/0x100 [ 121.208755] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 121.214301] __writeback_inodes_wb+0x1b9/0x340 [ 121.218878] ? writeback_sb_inodes+0x1210/0x1210 [ 121.223641] ? __lock_is_held+0xb5/0x140 [ 121.227828] wb_writeback+0xa73/0xfc0 [ 121.231624] ? writeback_inodes_wb.constprop.50+0x330/0x330 [ 121.237353] ? widen_string+0xe0/0x2e0 [ 121.241238] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 121.246432] ? print_usage_bug+0xc0/0xc0 [ 121.250484] ? string+0x225/0x2d0 [ 121.253923] ? widen_string+0x2e0/0x2e0 [ 121.257886] ? mark_held_locks+0x130/0x130 [ 121.262125] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 121.267144] ? find_next_bit+0x104/0x130 [ 121.271228] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 121.276234] ? find_next_bit+0x104/0x130 [ 121.280288] ? cpumask_next+0x41/0x50 [ 121.284085] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 121.289092] ? get_nr_dirty_inodes+0xd6/0x130 [ 121.293573] ? __local_bh_enable_ip+0x160/0x260 [ 121.298232] ? get_nr_dirty_pages+0x17c/0x1f0 [ 121.302714] ? _raw_spin_unlock_bh+0x30/0x40 [ 121.307114] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 121.312133] ? wb_split_bdi_pages.isra.29+0x134/0x1b0 [ 121.317314] ? wb_wait_for_completion+0x2d0/0x2d0 [ 121.322149] ? wb_workfn+0x521/0x1790 [ 121.325938] ? __local_bh_enable_ip+0x160/0x260 [ 121.330601] wb_workfn+0xee9/0x1790 [ 121.334224] ? __lock_acquire+0x62f/0x4c20 [ 121.338453] ? inode_wait_for_writeback+0x40/0x40 [ 121.343308] ? mark_held_locks+0x130/0x130 [ 121.347563] ? mark_held_locks+0x130/0x130 [ 121.351787] ? lock_downgrade+0x900/0x900 [ 121.355923] ? check_preemption_disabled+0x48/0x280 [ 121.360956] ? graph_lock+0x270/0x270 [ 121.364742] ? pick_next_task_fair+0x6cd/0x1b40 [ 121.369406] ? graph_lock+0x270/0x270 [ 121.373199] ? debug_object_deactivate+0x2eb/0x450 [ 121.378120] ? lock_downgrade+0x900/0x900 [ 121.382258] ? find_held_lock+0x36/0x1c0 [ 121.386316] ? graph_lock+0x270/0x270 [ 121.390112] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 121.395640] ? check_preemption_disabled+0x48/0x280 [ 121.400654] ? __lock_is_held+0xb5/0x140 [ 121.404712] process_one_work+0xc90/0x1c40 [ 121.408967] ? mark_held_locks+0x130/0x130 [ 121.413211] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 121.417865] ? __switch_to_asm+0x40/0x70 [ 121.421934] ? __switch_to_asm+0x34/0x70 [ 121.425994] ? __switch_to_asm+0x34/0x70 [ 121.430065] ? __switch_to_asm+0x40/0x70 [ 121.434114] ? __switch_to_asm+0x34/0x70 [ 121.438160] ? __switch_to_asm+0x40/0x70 [ 121.442223] ? __switch_to_asm+0x34/0x70 [ 121.446268] ? __switch_to_asm+0x40/0x70 [ 121.450324] ? __schedule+0x874/0x1ed0 [ 121.454209] ? lock_downgrade+0x900/0x900 [ 121.458350] ? graph_lock+0x270/0x270 [ 121.462153] ? graph_lock+0x270/0x270 [ 121.465947] ? find_held_lock+0x36/0x1c0 [ 121.470014] ? lock_acquire+0x1ed/0x520 [ 121.473981] ? worker_thread+0x3e0/0x1390 [ 121.478121] ? kasan_check_read+0x11/0x20 [ 121.482273] ? do_raw_spin_lock+0x14f/0x350 [ 121.486582] ? kasan_check_read+0x11/0x20 [ 121.490720] ? rwlock_bug.part.2+0x90/0x90 [ 121.494943] ? trace_hardirqs_on+0x310/0x310 [ 121.499366] worker_thread+0x17f/0x1390 [ 121.503332] ? __switch_to_asm+0x34/0x70 [ 121.507403] ? process_one_work+0x1c40/0x1c40 [ 121.511916] ? graph_lock+0x270/0x270 [ 121.515730] ? __kthread_parkme+0xce/0x1a0 [ 121.519968] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 121.525087] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 121.530182] ? lockdep_hardirqs_on+0x421/0x5c0 [ 121.534754] ? trace_hardirqs_on+0xbd/0x310 [ 121.539073] ? kasan_check_read+0x11/0x20 [ 121.543212] ? __kthread_parkme+0xce/0x1a0 [ 121.547433] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 121.552874] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 121.558319] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 121.563415] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 121.569096] ? __kthread_parkme+0xfb/0x1a0 [ 121.573322] ? process_one_work+0x1c40/0x1c40 [ 121.577802] kthread+0x35a/0x440 [ 121.581159] ? kthread_bind+0x40/0x40 [ 121.584949] ret_from_fork+0x3a/0x50 [ 121.590016] Kernel Offset: disabled [ 121.593927] Rebooting in 86400 seconds..