Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2023/05/23 | linux-5.15.y (ToT) | 9d6bde853685 | C | [report] INFO: rcu detected stall in fq_pie_timer |
2023/05/23 | upstream (ToT) | ae8373a5add4 | C | Didn't crash |
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Date | Name | Commit | Repro | Result |
---|---|---|---|---|
2023/05/23 | linux-5.15.y (ToT) | 9d6bde853685 | C | [report] INFO: rcu detected stall in fq_pie_timer |
2023/05/23 | upstream (ToT) | ae8373a5add4 | C | Didn't crash |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | INFO: rcu detected stall in fq_pie_timer (2) net | C | done | 33 | 21d | 290d | 0/28 | upstream: reported C repro on 2023/12/27 13:54 | |
upstream | INFO: rcu detected stall in fq_pie_timer net | C | error | 35 | 990d | 1207d | 20/28 | fixed on 2022/03/08 16:11 | |
upstream | BUG: soft lockup in fq_pie_timer (2) net | C | error | done | 3 | 536d | 602d | 0/28 | closed as invalid on 2023/05/26 05:46 |
upstream | BUG: soft lockup in fq_pie_timer net | C | error | error | 10 | 731d | 769d | 0/28 | closed as invalid on 2022/11/18 11:06 |
linux-6.1 | BUG: soft lockup in fq_pie_timer (2) origin:upstream | C | inconclusive | 5 | 176d | 410d | 0/3 | upstream: reported C repro on 2023/08/29 01:49 | |
upstream | BUG: soft lockup in fq_pie_timer (4) net | syz | 5 | 396d | 446d | 23/28 | fixed on 2023/10/12 12:48 | ||
linux-6.1 | BUG: soft lockup in fq_pie_timer | C | done | 7 | 490d | 498d | 3/3 | fixed on 2023/07/22 07:09 |
Created | Duration | User | Patch | Repo | Result |
---|---|---|---|---|---|
2024/10/01 15:11 | 20m | retest repro | linux-5.15.y | OK log | |
2024/10/01 15:11 | 18m | retest repro | linux-5.15.y | OK log | |
2024/10/01 15:11 | 22m | retest repro | linux-5.15.y | OK log | |
2024/10/01 15:11 | 22m | retest repro | linux-5.15.y | OK log | |
2024/10/01 15:11 | 27m | retest repro | linux-5.15.y | OK log |
rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 0-....: (1 GPs behind) idle=27f/1/0x4000000000000000 softirq=5557/5560 fqs=5214 (t=10502 jiffies g=5861 q=2014) NMI backtrace for cpu 0 CPU: 0 PID: 3649 Comm: syz-executor.0 Not tainted 5.15.126-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 Call Trace: <IRQ> __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 nmi_cpu_backtrace+0x46a/0x4a0 lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x181/0x2a0 lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:166 [inline] rcu_dump_cpu_stacks+0x223/0x390 kernel/rcu/tree_stall.h:343 print_cpu_stall kernel/rcu/tree_stall.h:627 [inline] check_cpu_stall kernel/rcu/tree_stall.h:711 [inline] rcu_pending kernel/rcu/tree.c:3911 [inline] rcu_sched_clock_irq+0xf26/0x1770 kernel/rcu/tree.c:2606 update_process_times+0x196/0x200 kernel/time/timer.c:1788 tick_sched_handle kernel/time/tick-sched.c:237 [inline] tick_sched_timer+0x22d/0x3c0 kernel/time/tick-sched.c:1441 __run_hrtimer kernel/time/hrtimer.c:1685 [inline] __hrtimer_run_queues+0x55b/0xcf0 kernel/time/hrtimer.c:1749 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1811 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline] __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102 sysvec_apic_timer_interrupt+0x3e/0xb0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:check_kcov_mode kernel/kcov.c:163 [inline] RIP: 0010:write_comp_data kernel/kcov.c:218 [inline] RIP: 0010:__sanitizer_cov_trace_const_cmp8+0x1a/0x80 kernel/kcov.c:291 Code: 18 4c 89 44 0a 20 49 ff c1 4c 89 09 c3 0f 1f 00 4c 8b 04 24 65 48 8b 0d d4 59 82 7e 65 8b 05 d5 59 82 7e a9 00 01 ff 00 74 10 <a9> 00 01 00 00 74 57 83 b9 34 16 00 00 00 74 4e 8b 81 10 16 00 00 RSP: 0018:ffffc90000007a88 EFLAGS: 00000206 RAX: 0000000000000102 RBX: 00028f5c28f5c28f RCX: ffff88807d993b80 RDX: ffff88807d993b80 RSI: 0000000000000000 RDI: 00028f5c28f5c28f RBP: 0019999999999998 R08: ffffffff88698b03 R09: 0000000000000003 R10: ffffffffffffffff R11: dffffc0000000001 R12: 0000000225c17d04 R13: 0000000000000000 R14: 00000015798ee228 R15: 1ffff1100f21df63 pie_calculate_probability+0x223/0x820 net/sched/sch_pie.c:348 fq_pie_timer+0x132/0x260 net/sched/sch_fq_pie.c:389 call_timer_fn+0x16d/0x560 kernel/time/timer.c:1421 expire_timers kernel/time/timer.c:1466 [inline] __run_timers+0x67c/0x890 kernel/time/timer.c:1737 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1750 __do_softirq+0x3b3/0x93a kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:636 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1096 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:finish_lock_switch+0x91/0x100 kernel/sched/core.c:4781 Code: 45 31 c9 68 47 63 59 81 e8 fc 19 09 00 48 83 c4 08 4c 89 ff e8 40 d9 fe ff 66 90 4c 89 ff e8 46 55 cc 08 e8 f1 24 2d 00 fb 5b <41> 5c 41 5d 41 5e 41 5f c3 44 89 f1 80 e1 07 80 c1 03 38 c1 7c 87 RSP: 0018:ffffc900040cea58 EFLAGS: 00000282 RAX: ce59a8076f677600 RBX: ffff888014de8034 RCX: ffffffff8162eaf8 RDX: dffffc0000000000 RSI: ffffffff8a8b0c60 RDI: ffffffff8ad876c0 RBP: ffffc900040cead0 R08: dffffc0000000000 R09: fffffbfff1f7ae22 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 1ffff11017347483 R14: ffff8880b9a3a418 R15: ffff8880b9a396c0 finish_task_switch+0x134/0x630 kernel/sched/core.c:4898 context_switch kernel/sched/core.c:5029 [inline] __schedule+0x12cc/0x4590 kernel/sched/core.c:6372 preempt_schedule_common+0x83/0xd0 kernel/sched/core.c:6548 preempt_schedule+0xd9/0xe0 kernel/sched/core.c:6573 preempt_schedule_thunk+0x16/0x18 arch/x86/entry/thunk_64.S:34 __raw_spin_unlock include/linux/spinlock_api_smp.h:152 [inline] _raw_spin_unlock+0x36/0x40 kernel/locking/spinlock.c:186 spin_unlock include/linux/spinlock.h:403 [inline] __cond_resched_lock+0x7c/0xe0 kernel/sched/core.c:8286 __purge_vmap_area_lazy+0x1623/0x1740 mm/vmalloc.c:1710 try_purge_vmap_area_lazy+0x34/0x50 mm/vmalloc.c:1723 free_unmap_vmap_area mm/vmalloc.c:1778 [inline] remove_vm_area+0x1ae/0x1d0 mm/vmalloc.c:2517 vm_remove_mappings mm/vmalloc.c:2546 [inline] __vunmap+0x325/0xa20 mm/vmalloc.c:2611 qdisc_destroy+0x114/0x3b0 net/sched/sch_generic.c:1025 notify_and_destroy net/sched/sch_api.c:1012 [inline] qdisc_graft+0x113b/0x1460 net/sched/sch_api.c:1089 tc_modify_qdisc+0xee9/0x1710 net/sched/sch_api.c:1700 rtnetlink_rcv_msg+0x993/0xee0 net/core/rtnetlink.c:5603 netlink_rcv_skb+0x1cf/0x410 net/netlink/af_netlink.c:2505 netlink_unicast_kernel net/netlink/af_netlink.c:1330 [inline] netlink_unicast+0x7b6/0x980 net/netlink/af_netlink.c:1356 netlink_sendmsg+0xa30/0xd60 net/netlink/af_netlink.c:1924 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg net/socket.c:724 [inline] ____sys_sendmsg+0x59e/0x8f0 net/socket.c:2412 ___sys_sendmsg+0x252/0x2e0 net/socket.c:2466 __sys_sendmsg net/socket.c:2495 [inline] __do_sys_sendmsg net/socket.c:2504 [inline] __se_sys_sendmsg+0x19a/0x260 net/socket.c:2502 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f6e37f7cae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f6e372fe0c8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f6e3809bf80 RCX: 00007f6e37f7cae9 RDX: 0000000000000000 RSI: 00000000200007c0 RDI: 0000000000000003 RBP: 00007f6e37fc847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f6e3809bf80 R15: 00007fff83143f48 </TASK>
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2023/08/15 00:24 | linux-5.15.y | 24c4de4069cb | 39990d51 | .config | console log | report | syz | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: rcu detected stall in fq_pie_timer | ||
2023/08/21 11:22 | linux-5.15.y | f6f7927ac664 | d216d8a0 | .config | console log | report | syz | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | BUG: soft lockup in fq_pie_timer | ||
2023/08/18 05:34 | linux-5.15.y | f6f7927ac664 | 74b106b6 | .config | console log | report | syz | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | BUG: soft lockup in fq_pie_timer | ||
2023/08/16 03:18 | linux-5.15.y | 24c4de4069cb | 39990d51 | .config | console log | report | syz | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | BUG: soft lockup in fq_pie_timer | ||
2023/08/16 00:01 | linux-5.15.y | 24c4de4069cb | 39990d51 | .config | console log | report | syz | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | BUG: soft lockup in fq_pie_timer | ||
2023/08/06 21:24 | linux-5.15.y | 38d4ca22a528 | 4ffcc9ef | .config | console log | report | syz | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | BUG: soft lockup in fq_pie_timer | ||
2023/06/28 00:47 | linux-5.15.y | f67653019430 | 4cd5bb25 | .config | console log | report | syz | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | BUG: soft lockup in fq_pie_timer | ||
2023/08/20 04:47 | linux-5.15.y | f6f7927ac664 | d216d8a0 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: rcu detected stall in fq_pie_timer | |
2023/07/29 03:36 | linux-5.15.y | 09996673e313 | 92476829 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: rcu detected stall in fq_pie_timer | |
2023/05/22 23:26 | linux-5.15.y | 9d6bde853685 | 4bce1a3e | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: rcu detected stall in fq_pie_timer | |
2023/07/17 00:15 | linux-5.15.y | d54cfc420586 | 35d9ecc5 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: rcu detected stall in fq_pie_timer | ||
2023/06/09 17:26 | linux-5.15.y | 7349e40704a0 | 9018a337 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | INFO: rcu detected stall in fq_pie_timer | ||
2023/06/07 08:58 | linux-5.15.y | d7af3e5ba454 | a4ae4f42 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | BUG: soft lockup in fq_pie_timer | |
2023/06/06 15:09 | linux-5.15.y | d7af3e5ba454 | a4ae4f42 | .config | console log | report | syz | C | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | BUG: soft lockup in fq_pie_timer | |
2023/06/08 08:29 | linux-5.15.y | d7af3e5ba454 | 058b3a5a | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan | BUG: soft lockup in fq_pie_timer | ||
2023/06/14 02:32 | linux-5.15.y | 7349e40704a0 | d2ee9228 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | BUG: soft lockup in fq_pie_timer | ||
2023/06/14 01:57 | linux-5.15.y | 7349e40704a0 | d2ee9228 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | BUG: soft lockup in fq_pie_timer | ||
2023/06/13 18:00 | linux-5.15.y | 7349e40704a0 | 749afb64 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | BUG: soft lockup in fq_pie_timer | ||
2023/06/09 20:59 | linux-5.15.y | 7349e40704a0 | 9018a337 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | BUG: soft lockup in fq_pie_timer | ||
2023/06/09 15:26 | linux-5.15.y | 7349e40704a0 | 9018a337 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | BUG: soft lockup in fq_pie_timer | ||
2023/06/06 09:15 | linux-5.15.y | d7af3e5ba454 | a4ae4f42 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | BUG: soft lockup in fq_pie_timer | ||
2023/06/05 19:37 | linux-5.15.y | d7af3e5ba454 | a4ae4f42 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | BUG: soft lockup in fq_pie_timer | ||
2023/06/03 18:37 | linux-5.15.y | 0ab06468cbd1 | a4ae4f42 | .config | console log | report | info | [disk image] [vmlinux] [kernel image] | ci2-linux-5-15-kasan-arm64 | BUG: soft lockup in fq_pie_timer |