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🐞 Open [1161] 🐞 Fixed [4320] 🐞 Invalid [9660] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | INFO: rcu detected stall in gc_worker (2) | C | unreliable | 4 | 384d | 422d | 0/24 | closed as invalid on 2022/02/08 10:33 | |
upstream | INFO: rcu detected stall in gc_worker (3) | C | inconclusive | 9 | 21h12m | 321d | 0/24 | upstream: reported C repro on 2022/03/20 12:02 | |
linux-4.19 | INFO: rcu detected stall in gc_worker | syz | error | 1 | 287d | 287d | 0/1 | upstream: reported syz repro on 2022/04/22 15:43 |
rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 0-....: (10500 ticks this GP) idle=5ae/1/0x4000000000000002 softirq=119477/119477 fqs=5250 rcu: (t=10502 jiffies g=159189 q=1182) NMI backtrace for cpu 0 CPU: 0 PID: 8786 Comm: kworker/0:5 Not tainted 5.1.0-rc4+ #170 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events_power_efficient gc_worker Call Trace: <IRQ> __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x172/0x1f0 lib/dump_stack.c:113 nmi_cpu_backtrace.cold+0x63/0xa4 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1be/0x236 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline] rcu_dump_cpu_stacks+0x183/0x1cf kernel/rcu/tree.c:1223 print_cpu_stall kernel/rcu/tree.c:1360 [inline] check_cpu_stall kernel/rcu/tree.c:1434 [inline] rcu_pending kernel/rcu/tree.c:3103 [inline] rcu_sched_clock_irq.cold+0x500/0xa4a kernel/rcu/tree.c:2544 update_process_times+0x32/0x80 kernel/time/timer.c:1635 tick_sched_handle+0xa2/0x190 kernel/time/tick-sched.c:161 tick_sched_timer+0x47/0x130 kernel/time/tick-sched.c:1271 __run_hrtimer kernel/time/hrtimer.c:1389 [inline] __hrtimer_run_queues+0x33e/0xde0 kernel/time/hrtimer.c:1451 hrtimer_interrupt+0x314/0x770 kernel/time/hrtimer.c:1509 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1035 [inline] smp_apic_timer_interrupt+0x120/0x570 arch/x86/kernel/apic/apic.c:1060 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:807 </IRQ> RIP: 0010:check_memory_region+0x14/0x190 mm/kasan/generic.c:190 Code: 89 e5 e8 9f 58 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 d2 48 39 c7 48 89 e5 41 55 41 54 53 0f 86 f6 00 00 00 4c 8d RSP: 0018:ffff88808a60f928 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 RAX: ffff7fffffffffff RBX: ffffe8ffffc780a0 RCX: ffffffff81583787 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffffe8ffffc780a0 RBP: ffff88808a60f938 R08: 1ffffd1ffff8f014 R09: fffff91ffff8f015 R10: fffff91ffff8f014 R11: ffffe8ffffc780a3 R12: 0000000000000001 R13: 0000000000000003 R14: fffff91ffff8f014 R15: 0000000000000007 atomic_read include/asm-generic/atomic-instrumented.h:26 [inline] virt_spin_lock arch/x86/include/asm/qspinlock.h:83 [inline] native_queued_spin_lock_slowpath+0xb7/0x9f0 kernel/locking/qspinlock.c:334 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:654 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:50 [inline] queued_spin_lock include/asm-generic/qspinlock.h:90 [inline] do_raw_spin_lock+0x20e/0x2e0 kernel/locking/spinlock_debug.c:113 __raw_spin_lock include/linux/spinlock_api_smp.h:143 [inline] _raw_spin_lock+0x37/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] nf_ct_add_to_dying_list+0xdb/0x210 net/netfilter/nf_conntrack_core.c:472 nf_ct_delete_from_lists+0x3c1/0x530 net/netfilter/nf_conntrack_core.c:619 nf_ct_delete net/netfilter/nf_conntrack_core.c:646 [inline] nf_ct_delete+0x1d0/0x4c0 net/netfilter/nf_conntrack_core.c:624 nf_ct_kill include/net/netfilter/nf_conntrack.h:219 [inline] nf_ct_gc_expired net/netfilter/nf_conntrack_core.c:688 [inline] nf_ct_gc_expired+0x2da/0x350 net/netfilter/nf_conntrack_core.c:682 gc_worker+0xb2a/0xea0 net/netfilter/nf_conntrack_core.c:1234 process_one_work+0x98e/0x1790 kernel/workqueue.c:2269 worker_thread+0x98/0xe40 kernel/workqueue.c:2415 kthread+0x357/0x430 kernel/kthread.c:253 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
ci-upstream-net-this-kasan-gce | 2019/04/17 16:33 | net | 3b2e2904deb3 | b0e8efcb | .config | console log | report | |||||
ci-upstream-net-this-kasan-gce | 2019/04/05 02:29 | net | aecfde23108b | e5d1b3ac | .config | console log | report | |||||
ci-upstream-net-this-kasan-gce | 2019/03/04 16:54 | net | 822e44b45eb9 | 7c693b52 | .config | console log | report | |||||
ci-upstream-net-this-kasan-gce | 2019/03/02 19:24 | net | 90490ef72699 | 1c0e457a | .config | console log | report | |||||
ci-upstream-net-kasan-gce | 2019/04/02 08:03 | net-next | f5d547676ca0 | a9ca43d4 | .config | console log | report | |||||
ci-upstream-net-kasan-gce | 2019/03/18 23:59 | net-next | 3b319ee220a8 | 46264c32 | .config | console log | report | |||||
ci-upstream-net-kasan-gce | 2019/03/10 15:14 | net-next | d9862cfbe209 | 12365b99 | .config | console log | report | |||||
ci-upstream-net-kasan-gce | 2019/01/20 02:54 | net-next | 133bbb18ab1a | 353f32ea | .config | console log | report |