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rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 0-....: (1 GPs behind) idle=932/1/0x4000000000000002 softirq=9344/9345 fqs=5247 (detected by 1, t=10502 jiffies, g=10529, q=124891) Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 8110 Comm: syz-executor267 Not tainted 5.9.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:91 [inline] RIP: 0010:memory_is_nonzero mm/kasan/generic.c:108 [inline] RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:134 [inline] RIP: 0010:memory_is_poisoned mm/kasan/generic.c:165 [inline] RIP: 0010:check_memory_region_inline mm/kasan/generic.c:183 [inline] RIP: 0010:check_memory_region+0xdb/0x180 mm/kasan/generic.c:192 Code: 80 38 00 74 f2 48 89 c2 b8 01 00 00 00 48 85 d2 75 56 5b 5d 41 5c c3 48 85 d2 74 5e 48 01 ea eb 09 48 83 c0 01 48 39 d0 74 50 <80> 38 00 74 f2 eb d4 41 bc 08 00 00 00 48 89 ea 45 29 dc 4d 8d 1c RSP: 0018:ffffc90000007090 EFLAGS: 00000086 RAX: fffff52000000e30 RBX: fffff52000000e3c RCX: ffffffff81339c7a RDX: fffff52000000e3c RSI: 0000000000000060 RDI: ffffc90000007180 RBP: fffff52000000e30 R08: 0000000000000001 R09: ffffc900000071df R10: fffff52000000e3b R11: 0000000000000001 R12: 0000000000000060 R13: 0000000000000000 R14: 000000000000007f R15: ffffc90000007180 FS: 0000000000cf9880(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000008319c CR3: 000000009f579000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <IRQ> memset+0x20/0x40 mm/kasan/common.c:84 memset include/linux/string.h:391 [inline] __unwind_start+0x2a/0x800 arch/x86/kernel/unwind_orc.c:630 unwind_start arch/x86/include/asm/unwind.h:60 [inline] perf_callchain_kernel+0x2f0/0x6a0 arch/x86/events/core.c:2447 get_perf_callchain+0x16e/0x620 kernel/events/callchain.c:200 perf_callchain+0x165/0x1c0 kernel/events/core.c:6985 perf_prepare_sample+0x8fd/0x1d40 kernel/events/core.c:7012 __perf_event_output kernel/events/core.c:7170 [inline] perf_event_output_forward+0xf3/0x270 kernel/events/core.c:7190 __perf_event_overflow+0x13c/0x370 kernel/events/core.c:8845 perf_swevent_overflow kernel/events/core.c:8921 [inline] perf_swevent_event+0x347/0x550 kernel/events/core.c:8949 perf_tp_event+0x2e4/0xb50 kernel/events/core.c:9377 perf_trace_run_bpf_submit+0x11c/0x200 kernel/events/core.c:9351 perf_trace_preemptirq_template+0x289/0x440 include/trace/events/preemptirq.h:14 trace_irq_enable_rcuidle include/trace/events/preemptirq.h:40 [inline] trace_irq_enable_rcuidle include/trace/events/preemptirq.h:40 [inline] trace_hardirqs_on+0x18a/0x220 kernel/trace/trace_preemptirq.c:44 asm_sysvec_irq_work+0x12/0x20 arch/x86/include/asm/idtentry.h:611 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:770 [inline] RIP: 0010:rcu_read_unlock_special kernel/rcu/tree_plugin.h:630 [inline] RIP: 0010:__rcu_read_unlock+0x26e/0x530 kernel/rcu/tree_plugin.h:395 Code: ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 a3 02 00 00 48 83 3d d5 9c 54 08 00 0f 84 18 02 00 00 4c 89 e7 57 9d <0f> 1f 44 00 00 e9 07 fe ff ff 0f 0b e9 41 fe ff ff e8 5c b1 52 00 RSP: 0018:ffffc90000007b40 EFLAGS: 00000282 RAX: 1ffffffff136c789 RBX: ffffffff89bd9a80 RCX: 0000000000000002 RDX: dffffc0000000000 RSI: 0000000000000101 RDI: 0000000000000282 RBP: 0000000000000001 R08: 0000000000000001 R09: ffffffff8c5f4a97 R10: fffffbfff18be952 R11: 0000000000000001 R12: 0000000000000282 R13: 0000000000000200 R14: ffff8880ae636c00 R15: 0000000000000000 rcu_read_unlock include/linux/rcupdate.h:687 [inline] mld_sendpack+0x742/0xdb0 net/ipv6/mcast.c:1690 mld_send_initial_cr.part.0+0x106/0x150 net/ipv6/mcast.c:2096 mld_send_initial_cr net/ipv6/mcast.c:1191 [inline] mld_dad_timer_expire+0x1c7/0x6a0 net/ipv6/mcast.c:2115 call_timer_fn+0x1ac/0x760 kernel/time/timer.c:1413 expire_timers kernel/time/timer.c:1458 [inline] __run_timers.part.0+0x67c/0xaa0 kernel/time/timer.c:1755 __run_timers kernel/time/timer.c:1736 [inline] run_timer_softirq+0xae/0x1a0 kernel/time/timer.c:1768 __do_softirq+0x1f7/0xa91 kernel/softirq.c:298 asm_call_on_stack+0xf/0x20 arch/x86/entry/entry_64.S:706 </IRQ> __run_on_irqstack arch/x86/include/asm/irq_stack.h:22 [inline] run_on_irqstack_cond arch/x86/include/asm/irq_stack.h:48 [inline] do_softirq_own_stack+0x9d/0xd0 arch/x86/kernel/irq_64.c:77 invoke_softirq kernel/softirq.c:393 [inline] __irq_exit_rcu kernel/softirq.c:423 [inline] irq_exit_rcu+0x235/0x280 kernel/softirq.c:435 sysvec_apic_timer_interrupt+0x51/0xf0 arch/x86/kernel/apic/apic.c:1091 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:581 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:770 [inline] RIP: 0010:generic_exec_single+0x2b6/0x430 kernel/smp.c:172 Code: 00 fc ff df 48 c1 e8 03 80 3c 10 00 0f 85 2d 01 00 00 48 83 3d 82 fd 4c 08 00 0f 84 f3 00 00 00 e8 2f 0c 0b 00 48 89 df 57 9d <0f> 1f 44 00 00 45 31 e4 e9 34 fe ff ff e8 18 0c 0b 00 0f 0b e9 95 RSP: 0018:ffffc90009cbfb08 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000293 RCX: 0000000000000006 RDX: ffff88809054a380 RSI: ffffffff81693ed1 RDI: 0000000000000293 RBP: 0000000000000200 R08: 0000000000000001 R09: ffffffff8c5f4ab7 R10: fffffbfff18be956 R11: 0000000000000001 R12: ffffc90009cbfb80 R13: ffffffff818dc1d0 R14: ffffc90009cbfc48 R15: 1ffff92001397f9e smp_call_function_single+0x186/0x4f0 kernel/smp.c:379 task_function_call+0xd7/0x160 kernel/events/core.c:116 perf_install_in_context+0x2cb/0x550 kernel/events/core.c:2895 __do_sys_perf_event_open+0x1c31/0x2cb0 kernel/events/core.c:11992 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x443f79 Code: e8 2c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 0f 83 0b 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007fffe1fb0778 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000443f79 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000100 RBP: 000000000008319c R08: 0000000000000000 R09: 0000000100000009 R10: 00000000ffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000404da0 R14: 0000000000000000 R15: 0000000000000000 INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 0.000 msecs
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2020/09/06 18:40 | upstream | dd9fb9bb3340 | abf9ba4f | .config | console log | report | syz | C | ci-upstream-kasan-gce-root | |||
2021/04/03 04:46 | upstream | d93a0d43e3d0 | 6a81331a | .config | console log | report | info | ci-upstream-kasan-gce-smack-root | INFO: rcu detected stall in smp_call_function | |||
2021/02/05 14:01 | upstream | dd86e7fa07a3 | 23a562df | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | INFO: rcu detected stall in smp_call_function | |||
2021/01/28 15:36 | upstream | 76c057c84d28 | 7df34f59 | .config | console log | report | info | ci-upstream-kasan-gce-smack-root | INFO: rcu detected stall in smp_call_function | |||
2021/01/23 23:58 | upstream | e1ae4b0be158 | 52e37319 | .config | console log | report | info | ci-upstream-kasan-gce-root | INFO: rcu detected stall in smp_call_function | |||
2021/01/22 21:14 | upstream | 83d09ad4b950 | 4080af96 | .config | console log | report | info | ci-upstream-kasan-gce-root | INFO: rcu detected stall in smp_call_function | |||
2021/01/17 21:15 | upstream | a1339d6355ac | 813be542 | .config | console log | report | info | ci-upstream-kasan-gce-smack-root | INFO: rcu detected stall in smp_call_function | |||
2021/04/10 09:38 | linux-next | e99d8a849517 | bfeda1b1 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | INFO: rcu detected stall in smp_call_function | |||
2021/01/23 09:11 | linux-next | bc085f8fc88f | 52e37319 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | INFO: rcu detected stall in smp_call_function | |||
2021/01/17 02:03 | upstream | 0da0a8a0a0e1 | 65a7a854 | .config | console log | report | info | ci-upstream-kasan-gce-root | ||||
2021/01/10 02:09 | upstream | 996e435fd401 | 2c1f2513 | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | ||||
2020/12/21 13:01 | upstream | e37b12e4bb21 | 04201c06 | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | ||||
2020/11/30 09:06 | upstream | b65054597872 | a0092f9d | .config | console log | report | info | ci-upstream-kasan-gce-root | ||||
2020/11/26 13:19 | upstream | fa02fcd94b0c | 1d2b823e | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | ||||
2020/11/23 10:20 | upstream | 418baf2c28f3 | 0d27f508 | .config | console log | report | info | ci-upstream-kasan-gce-root | ||||
2020/11/21 08:28 | upstream | 27bba9c532a8 | 68068804 | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | ||||
2020/11/20 09:42 | upstream | 4d02da974ea8 | 0767f13f | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | ||||
2020/11/17 21:50 | upstream | 111e91a6df50 | bd2a760b | .config | console log | report | info | ci-upstream-kasan-gce-smack-root | ||||
2020/10/06 01:13 | upstream | 7575fdda569b | 1880b4a9 | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | ||||
2020/10/05 02:14 | upstream | 549738f15da0 | 5ef9c291 | .config | console log | report | info | ci-upstream-kasan-gce-root | ||||
2020/10/02 16:37 | upstream | 472e5b056f00 | 4969d6ca | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | ||||
2020/09/29 22:29 | upstream | ccc1d052eff9 | 5abc3f1a | .config | console log | report | info | ci-upstream-kasan-gce-root | ||||
2020/09/26 06:33 | upstream | 7c7ec3226f5f | 4a006f63 | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | ||||
2020/09/19 13:18 | upstream | eb5f95f1593f | 53ce8104 | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | ||||
2020/09/19 06:08 | upstream | 10b82d517648 | 53ce8104 | .config | console log | report | info | ci-upstream-kasan-gce-selinux-root | ||||
2020/09/11 08:56 | upstream | 581cb3a26baf | adfb8b4e | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2020/09/10 08:16 | upstream | 34d4ddd359db | 409809d8 | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2020/09/08 18:34 | upstream | f4d51dffc6c0 | abf9ba4f | .config | console log | report | ci-upstream-kasan-gce-smack-root | |||||
2020/09/07 04:20 | upstream | f4d51dffc6c0 | abf9ba4f | .config | console log | report | ci-upstream-kasan-gce-selinux-root | |||||
2020/09/07 01:29 | upstream | f4d51dffc6c0 | abf9ba4f | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2020/09/06 12:58 | upstream | dd9fb9bb3340 | abf9ba4f | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2020/09/05 13:17 | upstream | c70672d8d316 | abf9ba4f | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2020/09/05 05:34 | upstream | c70672d8d316 | abf9ba4f | .config | console log | report | ci-upstream-kasan-gce-smack-root | |||||
2020/09/04 00:22 | upstream | e28f0104343d | abf9ba4f | .config | console log | report | ci-upstream-kasan-gce-smack-root | |||||
2020/08/30 03:39 | upstream | 1127b219ce94 | d5a3ae1f | .config | console log | report | ci-upstream-kasan-gce-smack-root | |||||
2020/08/28 22:35 | upstream | 96d454cd2c16 | d5a3ae1f | .config | console log | report | ci-upstream-kasan-gce-root | |||||
2020/07/28 23:54 | upstream | 6ba1b005ffc3 | cb93dc6a | .config | console log | report | ci-upstream-kasan-gce-smack-root | |||||
2020/07/25 07:05 | upstream | 68845a55c31b | 1f7cc1ca | .config | console log | report | ci-upstream-kasan-gce-selinux-root | |||||
2020/07/08 21:49 | upstream | 0bddd227f3dc | bc238812 | .config | console log | report | ci-upstream-kasan-gce-selinux-root | |||||
2020/09/08 05:52 | bpf | e6135df45e21 | abf9ba4f | .config | console log | report | ci-upstream-bpf-kasan-gce | |||||
2020/09/03 11:26 | bpf | 1eb832ac2dee | abf9ba4f | .config | console log | report | ci-upstream-bpf-kasan-gce | |||||
2020/08/31 11:04 | net-old | c8146fe292a7 | d5a3ae1f | .config | console log | report | ci-upstream-net-this-kasan-gce | |||||
2020/09/01 11:35 | bpf-next | 29523c5e6716 | d5a3ae1f | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2020/08/29 21:01 | bpf-next | 10496f261ed3 | d5a3ae1f | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2020/08/29 03:47 | bpf-next | 661b37cd437e | d5a3ae1f | .config | console log | report | ci-upstream-bpf-next-kasan-gce | |||||
2021/01/06 06:26 | linux-next | 7e4525a4232f | b1c228e1 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | ||||
2021/01/04 04:37 | linux-next | 766eff5a4f6c | 79264ae3 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | ||||
2020/12/29 17:24 | linux-next | d7a03a44a5e9 | 80910769 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | ||||
2020/12/28 17:25 | linux-next | d7a03a44a5e9 | 8259d56c | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | ||||
2020/12/16 18:03 | linux-next | 26aed0ea32c8 | 04201c06 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | ||||
2020/12/13 07:39 | linux-next | 14240d4c5b25 | bca53db9 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | ||||
2020/12/09 06:45 | linux-next | a9e26cb5f261 | 40cc414d | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | ||||
2020/12/01 02:56 | linux-next | c6b11acc5f85 | b3a34598 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | ||||
2020/11/23 12:12 | linux-next | 62918e6fd7b5 | 0d27f508 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | ||||
2020/10/07 21:46 | linux-next | 8b787da7ba8c | 1880b4a9 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | ||||
2020/10/03 23:47 | linux-next | 2172e358cd17 | 1a3f9408 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | ||||
2020/10/01 13:13 | linux-next | d39294091fee | a9767fb2 | .config | console log | report | info | ci-upstream-linux-next-kasan-gce-root | ||||
2020/09/13 23:00 | linux-next | d5b2251d63b5 | 2d3cdd63 | .config | console log | report | ci-upstream-linux-next-kasan-gce-root |