Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
linux-4.14 | INFO: rcu detected stall in tw_timer_handler | 1 | 1581d | 1581d | 0/1 | auto-closed as invalid on 2020/12/05 23:10 |
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rcu: INFO: rcu_preempt self-detected stall on CPU rcu: 1-....: (10500 ticks this GP) idle=342/1/0x4000000000000004 softirq=114249/114249 fqs=5243 (t=10501 jiffies g=97221 q=220123) NMI backtrace for cpu 1 CPU: 1 PID: 23217 Comm: syz-executor.0 Not tainted 5.6.0-rc6-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: <IRQ> __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1e9/0x30e lib/dump_stack.c:118 nmi_cpu_backtrace+0x9f/0x180 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x16a/0x280 lib/nmi_backtrace.c:62 trigger_single_cpu_backtrace include/linux/nmi.h:164 [inline] rcu_dump_cpu_stacks+0x169/0x250 kernel/rcu/tree_stall.h:254 print_cpu_stall kernel/rcu/tree_stall.h:475 [inline] check_cpu_stall kernel/rcu/tree_stall.h:549 [inline] rcu_pending kernel/rcu/tree.c:3030 [inline] rcu_sched_clock_irq+0x171f/0x1970 kernel/rcu/tree.c:2276 update_process_times+0x12c/0x180 kernel/time/timer.c:1726 tick_sched_handle kernel/time/tick-sched.c:171 [inline] tick_sched_timer+0x254/0x410 kernel/time/tick-sched.c:1314 __run_hrtimer kernel/time/hrtimer.c:1517 [inline] __hrtimer_run_queues+0x3cf/0x7d0 kernel/time/hrtimer.c:1579 hrtimer_interrupt+0x373/0xd60 kernel/time/hrtimer.c:1641 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1119 [inline] smp_apic_timer_interrupt+0x109/0x280 arch/x86/kernel/apic/apic.c:1144 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 RIP: 0010:tw_timer_handler+0x1/0xe0 net/ipv4/inet_timewait_sock.c:145 Code: e8 e9 75 fa ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 97 fb ff ff 48 89 df e8 4b 4f ee fa e9 8a fb ff ff 66 0f 1f 44 00 00 55 <41> 57 41 56 41 54 53 49 89 fe 49 bc 00 00 00 00 00 fc ff df e8 06 RSP: 0018:ffffc90000da8d48 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 RAX: ffffffff8164e311 RBX: 0000000000000100 RCX: ffff888050f7a240 RDX: 0000000000000100 RSI: 0000000000000000 RDI: ffff8880514999d0 RBP: ffffc90000da8ea0 R08: ffffffff8164e308 R09: ffffed1015d27004 R10: ffffed1015d27004 R11: 0000000000000000 R12: 000000010000a800 R13: ffff8880514999d0 R14: ffffffff86c29300 R15: ffff8880514999d0 call_timer_fn+0x91/0x160 kernel/time/timer.c:1404 expire_timers kernel/time/timer.c:1449 [inline] __run_timers+0x776/0x970 kernel/time/timer.c:1773 run_timer_softirq+0x46/0x80 kernel/time/timer.c:1786 __do_softirq+0x268/0x7c5 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x223/0x230 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:546 [inline] smp_apic_timer_interrupt+0x113/0x280 arch/x86/kernel/apic/apic.c:1146 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829 </IRQ> RIP: 0010:rmqueue+0x4c/0x2020 mm/page_alloc.c:3297 Code: 00 48 89 84 24 18 01 00 00 49 bc 00 00 00 00 00 fc ff df 85 d2 0f 85 b6 00 00 00 4c 89 ee 89 ea 89 d9 e8 b7 22 00 00 49 89 c6 <49> 8d ad 78 05 00 00 48 89 ef be 08 00 00 00 e8 a0 a1 07 00 48 89 RSP: 0018:ffffc90007827860 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff1215a83 RBX: dffffc0000000000 RCX: ffffffff815a6057 RDX: dffffc0000000000 RSI: 0000000000000008 RDI: 0000000000000282 RBP: 0000000000000282 R08: dffffc0000000000 R09: fffffbfff15db92a R10: fffffbfff15db92a R11: 0000000000000000 R12: dffffc0000000000 R13: ffff88812fffb6c0 R14: ffffea0001325000 R15: 0000000000000004 get_page_from_freelist+0x589/0xa80 mm/page_alloc.c:3681 __alloc_pages_nodemask+0x281/0x600 mm/page_alloc.c:4731 alloc_pages include/linux/gfp.h:532 [inline] skb_page_frag_refill+0x2a4/0x480 net/core/sock.c:2377 sk_page_frag_refill+0x48/0x200 net/core/sock.c:2397 tcp_sendmsg_locked+0x137c/0x3ee0 net/ipv4/tcp.c:1318 tcp_sendmsg+0x2c/0x40 net/ipv4/tcp.c:1433 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg net/socket.c:672 [inline] __sys_sendto+0x3f3/0x590 net/socket.c:1998 __do_sys_sendto net/socket.c:2010 [inline] __se_sys_sendto net/socket.c:2006 [inline] __x64_sys_sendto+0xda/0xf0 net/socket.c:2006 do_syscall_64+0xf3/0x1b0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45c849 Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f030070bc78 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f030070c6d4 RCX: 000000000045c849 RDX: ffffffffffffffef RSI: 0000000020d7cfcb RDI: 0000000000000005 RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000000000000a02 R14: 00000000004ccb8a R15: 000000000076bf0c
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2020/03/21 12:52 | upstream | 5ad0ec0b8652 | 4288d95e | .config | console log | report | ci-upstream-kasan-gce-smack-root |