Title | Replies (including bot) | Last reply |
---|---|---|
[syzbot] INFO: rcu detected stall in batadv_tt_purge (2) | 0 (1) | 2021/07/26 11:11 |
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Title | Replies (including bot) | Last reply |
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[syzbot] INFO: rcu detected stall in batadv_tt_purge (2) | 0 (1) | 2021/07/26 11:11 |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
linux-5.15 | INFO: rcu detected stall in batadv_tt_purge | 1 | 43d | 43d | 0/3 | upstream: reported on 2024/08/31 22:28 | |||
upstream | INFO: rcu detected stall in batadv_tt_purge cgroups mm | 1 | 1740d | 1740d | 0/28 | closed as invalid on 2020/01/09 08:13 | |||
linux-6.1 | INFO: rcu detected stall in batadv_tt_purge | 6 | 131d | 203d | 0/3 | auto-obsoleted due to no activity on 2024/09/12 14:42 | |||
upstream | INFO: rcu detected stall in batadv_tt_purge (3) batman | 1 | 329d | 313d | 0/28 | auto-obsoleted due to no activity on 2024/02/17 16:44 | |||
upstream | BUG: soft lockup in batadv_tt_purge batman | 1 | 113d | 111d | 0/28 | auto-obsoleted due to no activity on 2024/09/20 21:14 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2022/10/12 17:53 | 21m (2) | bisect fix | upstream | OK (2) job log | |
2022/08/25 19:16 | 29m | bisect fix | upstream | OK (0) job log log | |
2022/07/26 18:42 | 26m | bisect fix | upstream | OK (0) job log log | |
2022/06/26 10:40 | 24m | bisect fix | upstream | OK (0) job log log | |
2022/05/26 10:13 | 28m | bisect fix | upstream | OK (0) job log log | |
2022/04/26 09:44 | 28m | bisect fix | upstream | OK (0) job log log | |
2022/03/27 09:13 | 31m | bisect fix | upstream | OK (0) job log log | |
2022/02/25 08:44 | 28m | bisect fix | upstream | OK (0) job log log | |
2022/01/26 08:13 | 30m | bisect fix | upstream | OK (0) job log log | |
2021/12/27 07:39 | 30m | bisect fix | upstream | OK (0) job log log | |
2021/11/27 07:09 | 29m | bisect fix | upstream | OK (0) job log log | |
2021/10/21 13:48 | 29m | bisect fix | upstream | OK (0) job log log | |
2021/09/21 12:44 | 27m | bisect fix | upstream | OK (0) job log log | |
2021/08/21 15:36 | 27m | bisect fix | upstream | OK (0) job log log |
rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 0-...!: (2 ticks this GP) idle=4de/1/0x4000000000000000 softirq=11238/11238 fqs=0 (t=13326 jiffies g=13217 q=742) rcu: rcu_preempt kthread timer wakeup didn't happen for 13325 jiffies! g13217 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 rcu: Possible timer handling issue on cpu=0 timer-softirq=29073 rcu: rcu_preempt kthread starved for 13326 jiffies! g13217 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=0 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:I stack:29096 pid: 14 ppid: 2 flags:0x00004000 Call Trace: context_switch kernel/sched/core.c:4683 [inline] __schedule+0x93a/0x26f0 kernel/sched/core.c:5940 schedule+0xd3/0x270 kernel/sched/core.c:6019 schedule_timeout+0x14a/0x2a0 kernel/time/timer.c:1878 rcu_gp_fqs_loop kernel/rcu/tree.c:1996 [inline] rcu_gp_kthread+0xd34/0x1980 kernel/rcu/tree.c:2169 kthread+0x3e5/0x4d0 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 rcu: Stack dump where RCU GP kthread last ran: NMI backtrace for cpu 0 CPU: 0 PID: 10 Comm: kworker/u4:1 Not tainted 5.14.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bat_events batadv_tt_purge Call Trace: <IRQ> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:105 nmi_cpu_backtrace.cold+0x44/0xd7 lib/nmi_backtrace.c:105 nmi_trigger_cpumask_backtrace+0x1b3/0x230 lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline] rcu_check_gp_kthread_starvation.cold+0x1d1/0x1d6 kernel/rcu/tree_stall.h:479 print_cpu_stall kernel/rcu/tree_stall.h:623 [inline] check_cpu_stall kernel/rcu/tree_stall.h:700 [inline] rcu_pending kernel/rcu/tree.c:3922 [inline] rcu_sched_clock_irq.cold+0x9a/0x747 kernel/rcu/tree.c:2641 update_process_times+0x16d/0x200 kernel/time/timer.c:1782 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:226 tick_sched_timer+0x1b0/0x2d0 kernel/time/tick-sched.c:1421 __run_hrtimer kernel/time/hrtimer.c:1537 [inline] __hrtimer_run_queues+0x1c0/0xe50 kernel/time/hrtimer.c:1601 hrtimer_interrupt+0x330/0xa00 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1100 </IRQ> asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:__local_bh_enable_ip+0xa8/0x120 kernel/softirq.c:390 Code: 1d ad 91 bc 7e 65 8b 05 a6 91 bc 7e a9 00 ff ff 00 74 45 bf 01 00 00 00 e8 15 2a 09 00 e8 50 84 35 00 fb 65 8b 05 88 91 bc 7e <85> c0 74 58 5b 5d c3 65 8b 05 d6 98 bc 7e 85 c0 75 a2 0f 0b eb 9e RSP: 0018:ffffc90000f0fc10 EFLAGS: 00000206 RAX: 0000000080000000 RBX: 00000000fffffe00 RCX: 1ffffffff1fa584a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffffff88ca93e5 R08: 0000000000000001 R09: ffffffff8fcd7987 R10: 0000000000000001 R11: 0000000000000000 R12: ffffc90000f0fdb0 R13: ffff888042de12f8 R14: 0000000000000082 R15: dffffc0000000000 spin_unlock_bh include/linux/spinlock.h:399 [inline] batadv_tt_local_purge+0x285/0x370 net/batman-adv/translation-table.c:1369 batadv_tt_purge+0x2c/0xaf0 net/batman-adv/translation-table.c:3591 process_one_work+0x98d/0x1630 kernel/workqueue.c:2276 worker_thread+0x658/0x11f0 kernel/workqueue.c:2422 kthread+0x3e5/0x4d0 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 NMI backtrace for cpu 0 CPU: 0 PID: 10 Comm: kworker/u4:1 Not tainted 5.14.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bat_events batadv_tt_purge Call Trace: <IRQ> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:105 nmi_cpu_backtrace.cold+0x44/0xd7 lib/nmi_backtrace.c:105 nmi_trigger_cpumask_backtrace+0x1b3/0x230 lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline] rcu_dump_cpu_stacks+0x25e/0x3f0 kernel/rcu/tree_stall.h:342 print_cpu_stall kernel/rcu/tree_stall.h:625 [inline] check_cpu_stall kernel/rcu/tree_stall.h:700 [inline] rcu_pending kernel/rcu/tree.c:3922 [inline] rcu_sched_clock_irq.cold+0x9f/0x747 kernel/rcu/tree.c:2641 update_process_times+0x16d/0x200 kernel/time/timer.c:1782 tick_sched_handle+0x9b/0x180 kernel/time/tick-sched.c:226 tick_sched_timer+0x1b0/0x2d0 kernel/time/tick-sched.c:1421 __run_hrtimer kernel/time/hrtimer.c:1537 [inline] __hrtimer_run_queues+0x1c0/0xe50 kernel/time/hrtimer.c:1601 hrtimer_interrupt+0x330/0xa00 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1100 </IRQ> asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:__local_bh_enable_ip+0xa8/0x120 kernel/softirq.c:390 Code: 1d ad 91 bc 7e 65 8b 05 a6 91 bc 7e a9 00 ff ff 00 74 45 bf 01 00 00 00 e8 15 2a 09 00 e8 50 84 35 00 fb 65 8b 05 88 91 bc 7e <85> c0 74 58 5b 5d c3 65 8b 05 d6 98 bc 7e 85 c0 75 a2 0f 0b eb 9e RSP: 0018:ffffc90000f0fc10 EFLAGS: 00000206 RAX: 0000000080000000 RBX: 00000000fffffe00 RCX: 1ffffffff1fa584a RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffffff88ca93e5 R08: 0000000000000001 R09: ffffffff8fcd7987 R10: 0000000000000001 R11: 0000000000000000 R12: ffffc90000f0fdb0 R13: ffff888042de12f8 R14: 0000000000000082 R15: dffffc0000000000 spin_unlock_bh include/linux/spinlock.h:399 [inline] batadv_tt_local_purge+0x285/0x370 net/batman-adv/translation-table.c:1369 batadv_tt_purge+0x2c/0xaf0 net/batman-adv/translation-table.c:3591 process_one_work+0x98d/0x1630 kernel/workqueue.c:2276 worker_thread+0x658/0x11f0 kernel/workqueue.c:2422 kthread+0x3e5/0x4d0 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 9018 Comm: kworker/u4:2 Not tainted 5.14.0-rc2-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: events_unbound toggle_allocation_gate RIP: 0010:__sanitizer_cov_trace_const_cmp4+0xc/0x70 kernel/kcov.c:283 Code: 00 00 00 48 89 7c 30 e8 48 89 4c 30 f0 4c 89 54 d8 20 48 89 10 5b c3 0f 1f 80 00 00 00 00 41 89 f8 bf 03 00 00 00 4c 8b 14 24 <89> f1 65 48 8b 34 25 00 f0 01 00 e8 e4 ee ff ff 84 c0 74 4b 48 8b RSP: 0018:ffffc90000fd8df8 EFLAGS: 00000046 RAX: 0000000000010002 RBX: ffff8880b9d424c0 RCX: 0000000000000000 RDX: ffff88802e756280 RSI: 0000000000000001 RDI: 0000000000000003 RBP: ffff88802539bb40 R08: 0000000000000007 R09: ffffffff904c64ab R10: ffffffff816467fb R11: 0000000000000000 R12: 0000000000000001 R13: 0000000000000000 R14: ffff8880b9d423c0 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000600 CR3: 000000000b68e000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <IRQ> cpu_max_bits_warn include/linux/cpumask.h:108 [inline] cpumask_check include/linux/cpumask.h:115 [inline] cpumask_test_cpu include/linux/cpumask.h:344 [inline] cpu_online include/linux/cpumask.h:895 [inline] trace_hrtimer_start include/trace/events/timer.h:195 [inline] debug_activate kernel/time/hrtimer.c:476 [inline] enqueue_hrtimer+0x4b/0x3e0 kernel/time/hrtimer.c:982 __run_hrtimer kernel/time/hrtimer.c:1554 [inline] __hrtimer_run_queues+0xb02/0xe50 kernel/time/hrtimer.c:1601 hrtimer_interrupt+0x330/0xa00 kernel/time/hrtimer.c:1663 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1100 </IRQ> asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:csd_lock_wait kernel/smp.c:440 [inline] RIP: 0010:smp_call_function_many_cond+0x452/0xc20 kernel/smp.c:967 Code: 0b 00 85 ed 74 4d 48 b8 00 00 00 00 00 fc ff df 4d 89 f4 4c 89 f5 49 c1 ec 03 83 e5 07 49 01 c4 83 c5 03 e8 c0 48 0b 00 f3 90 <41> 0f b6 04 24 40 38 c5 7c 08 84 c0 0f 85 33 06 00 00 8b 43 08 31 RSP: 0018:ffffc900037b7a00 EFLAGS: 00000293 RAX: 0000000000000000 RBX: ffff8880b9c55de0 RCX: 0000000000000000 RDX: ffff88802e756280 RSI: ffffffff816975f0 RDI: 0000000000000003 RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000001 R10: ffffffff81697616 R11: 0000000000000000 R12: ffffed101738abbd R13: 0000000000000000 R14: ffff8880b9c55de8 R15: 0000000000000001 on_each_cpu_cond_mask+0x56/0xa0 kernel/smp.c:1133 on_each_cpu include/linux/smp.h:71 [inline] text_poke_sync arch/x86/kernel/alternative.c:929 [inline] text_poke_bp_batch+0x1b3/0x560 arch/x86/kernel/alternative.c:1114 text_poke_flush arch/x86/kernel/alternative.c:1268 [inline] text_poke_flush arch/x86/kernel/alternative.c:1265 [inline] text_poke_finish+0x16/0x30 arch/x86/kernel/alternative.c:1275 arch_jump_label_transform_apply+0x13/0x20 arch/x86/kernel/jump_label.c:145 jump_label_update+0x1d5/0x430 kernel/jump_label.c:830 static_key_disable_cpuslocked+0x152/0x1b0 kernel/jump_label.c:207 static_key_disable+0x16/0x20 kernel/jump_label.c:215 toggle_allocation_gate mm/kfence/core.c:637 [inline] toggle_allocation_gate+0x185/0x390 mm/kfence/core.c:615 process_one_work+0x98d/0x1630 kernel/workqueue.c:2276 worker_thread+0x658/0x11f0 kernel/workqueue.c:2422 kthread+0x3e5/0x4d0 kernel/kthread.c:319 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2021/07/22 11:07 | upstream | 7b6ae471e541 | 29c3f20f | .config | console log | report | syz | C | ci-upstream-kasan-gce-selinux-root | INFO: rcu detected stall in batadv_tt_purge | ||
2023/02/14 13:08 | upstream | f6feea56f66d | 1d6b4af7 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci-upstream-kasan-gce-smack-root | INFO: rcu detected stall in batadv_tt_purge | ||
2021/10/28 07:09 | net-old | 72f898ca0ab8 | be531bb4 | .config | console log | report | info | ci-upstream-net-this-kasan-gce | INFO: rcu detected stall in batadv_tt_purge |