| TITLE: INFO: rcu detected stall in inotify_init |
| TYPE: HANG |
| |
| [ 990.309025][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU |
| [ 990.312270][ C1] net_ratelimit: 18 callbacks suppressed |
| [ 990.312279][ C1] protocol 88fb is buggy, dev hsr_slave_0 |
| [ 990.316032][ C0] rcu: 0-...!: (1 GPs behind) idle=cfe/1/0x4000000000000002 softirq=53884/53885 fqs=0 |
| [ 990.321512][ C1] protocol 88fb is buggy, dev hsr_slave_1 |
| [ 990.321695][ C1] protocol 88fb is buggy, dev hsr_slave_0 |
| [ 990.321736][ C1] protocol 88fb is buggy, dev hsr_slave_1 |
| [ 990.354932][ C0] rcu: (t=29988 jiffies g=72133 q=198) |
| [ 990.360592][ C0] NMI backtrace for cpu 0 |
| [ 990.364957][ C0] CPU: 0 PID: 12976 Comm: syz-executor.4 Not tainted 5.1.0-rc7+ #98 |
| [ 990.373043][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 |
| [ 990.383145][ C0] Call Trace: |
| [ 990.386441][ C0] <IRQ> |
| [ 990.389349][ C0] dump_stack+0x172/0x1f0 |
| [ 990.393977][ C0] nmi_cpu_backtrace.cold+0x63/0xa4 |
| [ 990.399300][ C0] ? lapic_can_unplug_cpu.cold+0x38/0x38 |
| [ 990.404961][ C0] nmi_trigger_cpumask_backtrace+0x1be/0x236 |
| [ 990.410966][ C0] arch_trigger_cpumask_backtrace+0x14/0x20 |
| [ 990.416996][ C0] rcu_dump_cpu_stacks+0x183/0x1cf |
| [ 990.422203][ C0] ? find_next_bit+0x107/0x130 |
| [ 990.427008][ C0] rcu_sched_clock_irq.cold+0x500/0xa4a |
| [ 990.432604][ C0] ? raise_softirq+0x11f/0x310 |
| [ 990.437471][ C0] update_process_times+0x32/0x80 |
| [ 990.442558][ C0] tick_sched_handle+0xa2/0x190 |
| [ 990.447434][ C0] tick_sched_timer+0x47/0x130 |
| [ 990.452217][ C0] __hrtimer_run_queues+0x33e/0xde0 |
| [ 990.457442][ C0] ? tick_sched_do_timer+0x1b0/0x1b0 |
| [ 990.462758][ C0] ? hrtimer_start_range_ns+0xc80/0xc80 |
| [ 990.468316][ C0] ? __sanitizer_cov_trace_cmp4+0x16/0x20 |
| [ 990.474079][ C0] ? ktime_get_update_offsets_now+0x2d9/0x440 |
| [ 990.480169][ C0] hrtimer_interrupt+0x314/0x770 |
| [ 990.485144][ C0] smp_apic_timer_interrupt+0x120/0x570 |
| [ 990.490723][ C0] apic_timer_interrupt+0xf/0x20 |
| [ 990.495671][ C0] </IRQ> |
| [ 990.498637][ C0] RIP: 0010:check_memory_region+0x0/0x190 |
| [ 990.504381][ C0] Code: 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 f2 be f8 00 00 00 48 89 e5 e8 af 2c 66 05 5d c3 0f 1f 00 66 2e 0f 1f 84 00 00 00 00 00 <48> 85 f6 0f 84 21 01 00 00 48 b8 ff ff ff ff ff 7f ff ff 55 0f b6 |
| [ 990.524014][ C0] RSP: 0018:ffff8880587c7e38 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 |
| [ 990.532468][ C0] RAX: 0000000000000000 RBX: ffff8880ae82dd80 RCX: ffffffff815ecff4 |
| [ 990.540474][ C0] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880ae82de38 |
| [ 990.548464][ C0] RBP: ffff8880587c7e40 R08: ffff8880522be040 R09: ffffffff895e69d4 |
| [ 990.556455][ C0] R10: ffff8880522be8c0 R11: ffff8880522be040 R12: ffff8880ae82de38 |
| [ 990.564448][ C0] R13: 0000000000000000 R14: 0000000000004000 R15: 0000000000000000 |
| [ 990.572477][ C0] ? rcu_dynticks_curr_cpu_in_eqs+0x54/0xb0 |
| [ 990.578407][ C0] ? kasan_check_read+0x11/0x20 |
| [ 990.583281][ C0] rcu_dynticks_curr_cpu_in_eqs+0x54/0xb0 |
| [ 990.590664][ C0] rcu_is_watching+0x10/0x30 |
| [ 990.595296][ C0] rcu_read_lock+0x43/0x70 |
| [ 990.599733][ C0] get_mem_cgroup_from_mm+0x1e/0x2b0 |
| [ 990.605108][ C0] do_inotify_init+0x279/0x640 |
| [ 990.609905][ C0] ? trace_hardirqs_on+0x67/0x230 |
| [ 990.614971][ C0] __ia32_sys_inotify_init+0x10/0x20 |
| [ 990.620303][ C0] do_syscall_64+0x103/0x610 |
| [ 990.624927][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe |
| [ 990.630829][ C0] RIP: 0033:0x20000108 |
| [ 990.634925][ C0] Code: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 98 46 0f 72 d4 00 0f 05 <c4> 42 fd 31 d3 c4 a3 7b f0 c5 3e 14 d5 41 e2 e9 9f c4 c1 c1 62 c1 |
| [ 990.654645][ C0] RSP: 002b:00007f1cb99e4bd8 EFLAGS: 00000282 ORIG_RAX: 00000000000000fd |
| [ 990.663106][ C0] RAX: ffffffffffffffda RBX: 0000000000000009 RCX: 0000000020000108 |
| [ 990.671221][ C0] RDX: 2be1ef2a11dbdbda RSI: 0000000000000000 RDI: 00007f1cb99e5608 |
| [ 990.679217][ C0] RBP: 000000000000000a R08: 0000000000000005 R09: 0000000000000006 |
| [ 990.687214][ C0] R10: 0000000000000007 R11: 0000000000000282 R12: 000000000000000b |
| [ 990.696716][ C0] R13: 000000000000000c R14: 000000000000000d R15: 00000000ffffffff |
