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================================================================== BUG: KCSAN: data-race in icmp_global_allow / icmp_global_allow read to 0xffffffff861a4a54 of 4 bytes by interrupt on cpu 0: icmp_global_allow+0x36/0x1b0 net/ipv4/icmp.c:254 icmpv6_global_allow net/ipv6/icmp.c:184 [inline] icmpv6_global_allow net/ipv6/icmp.c:179 [inline] icmp6_send+0x493/0x1140 net/ipv6/icmp.c:514 icmpv6_send+0x71/0xb0 net/ipv6/ip6_icmp.c:43 ip6_link_failure+0x43/0x180 net/ipv6/route.c:2644 dst_link_failure include/net/dst.h:419 [inline] ip6_tnl_xmit+0x296/0x1780 net/ipv6/ip6_tunnel.c:1222 ip6ip6_tnl_xmit net/ipv6/ip6_tunnel.c:1376 [inline] ip6_tnl_start_xmit+0xead/0x1160 net/ipv6/ip6_tunnel.c:1402 __netdev_start_xmit include/linux/netdevice.h:4413 [inline] netdev_start_xmit include/linux/netdevice.h:4427 [inline] xmit_one net/core/dev.c:3199 [inline] dev_hard_start_xmit+0xef/0x430 net/core/dev.c:3215 __dev_queue_xmit+0x14ab/0x1b40 net/core/dev.c:3792 dev_queue_xmit+0x21/0x30 net/core/dev.c:3825 neigh_direct_output+0x1f/0x30 net/core/neighbour.c:1530 neigh_output include/net/neighbour.h:511 [inline] ip6_finish_output2+0x7a2/0xec0 net/ipv6/ip6_output.c:116 __ip6_finish_output net/ipv6/ip6_output.c:142 [inline] __ip6_finish_output+0x2d7/0x330 net/ipv6/ip6_output.c:127 ip6_finish_output+0x41/0x160 net/ipv6/ip6_output.c:152 NF_HOOK_COND include/linux/netfilter.h:294 [inline] ip6_output+0xf2/0x280 net/ipv6/ip6_output.c:175 dst_output include/net/dst.h:436 [inline] NF_HOOK include/linux/netfilter.h:305 [inline] NF_HOOK include/linux/netfilter.h:299 [inline] ip6_xmit+0x6cb/0xcd0 net/ipv6/ip6_output.c:279 inet6_csk_xmit+0x170/0x1f0 net/ipv6/inet6_connection_sock.c:135 __tcp_transmit_skb+0xe81/0x1d60 net/ipv4/tcp_output.c:1169 tcp_transmit_skb net/ipv4/tcp_output.c:1185 [inline] tcp_xmit_probe_skb+0x19b/0x1d0 net/ipv4/tcp_output.c:3735 tcp_write_wakeup+0x12e/0x3b0 net/ipv4/tcp_output.c:3788 tcp_send_probe0+0x3a/0x286 net/ipv4/tcp_output.c:3803 tcp_probe_timer net/ipv4/tcp_timer.c:381 [inline] tcp_write_timer_handler+0x48e/0x510 net/ipv4/tcp_timer.c:603 tcp_write_timer+0xd1/0xf0 net/ipv4/tcp_timer.c:619 call_timer_fn+0x5f/0x2f0 kernel/time/timer.c:1404 expire_timers kernel/time/timer.c:1449 [inline] __run_timers kernel/time/timer.c:1773 [inline] __run_timers kernel/time/timer.c:1740 [inline] run_timer_softirq+0xc0c/0xcd0 kernel/time/timer.c:1786 __do_softirq+0x115/0x33f kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0xbb/0xe0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0xe6/0x280 arch/x86/kernel/apic/apic.c:1137 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:830 native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60 arch_cpu_idle+0xa/0x10 arch/x86/kernel/process.c:571 default_idle_call+0x1e/0x40 kernel/sched/idle.c:94 cpuidle_idle_call kernel/sched/idle.c:154 [inline] do_idle+0x1af/0x280 kernel/sched/idle.c:263 cpu_startup_entry+0x1b/0x20 kernel/sched/idle.c:355 rest_init+0xec/0xf6 init/main.c:452 arch_call_rest_init+0x17/0x37 start_kernel+0x838/0x85e init/main.c:786 x86_64_start_reservations+0x29/0x2b arch/x86/kernel/head64.c:490 x86_64_start_kernel+0x72/0x76 arch/x86/kernel/head64.c:471 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:241 write to 0xffffffff861a4a54 of 4 bytes by interrupt on cpu 1: icmp_global_allow+0x174/0x1b0 net/ipv4/icmp.c:272 icmpv6_global_allow net/ipv6/icmp.c:184 [inline] icmpv6_global_allow net/ipv6/icmp.c:179 [inline] icmp6_send+0x493/0x1140 net/ipv6/icmp.c:514 icmpv6_send+0x71/0xb0 net/ipv6/ip6_icmp.c:43 ip6_link_failure+0x43/0x180 net/ipv6/route.c:2644 dst_link_failure include/net/dst.h:419 [inline] ip6_tnl_xmit+0x296/0x1780 net/ipv6/ip6_tunnel.c:1222 ip6ip6_tnl_xmit net/ipv6/ip6_tunnel.c:1376 [inline] ip6_tnl_start_xmit+0xead/0x1160 net/ipv6/ip6_tunnel.c:1402 __netdev_start_xmit include/linux/netdevice.h:4413 [inline] netdev_start_xmit include/linux/netdevice.h:4427 [inline] xmit_one net/core/dev.c:3199 [inline] dev_hard_start_xmit+0xef/0x430 net/core/dev.c:3215 __dev_queue_xmit+0x14ab/0x1b40 net/core/dev.c:3792 dev_queue_xmit+0x21/0x30 net/core/dev.c:3825 neigh_direct_output+0x1f/0x30 net/core/neighbour.c:1530 neigh_output include/net/neighbour.h:511 [inline] ip6_finish_output2+0x7a2/0xec0 net/ipv6/ip6_output.c:116 __ip6_finish_output net/ipv6/ip6_output.c:142 [inline] __ip6_finish_output+0x2d7/0x330 net/ipv6/ip6_output.c:127 ip6_finish_output+0x41/0x160 net/ipv6/ip6_output.c:152 NF_HOOK_COND include/linux/netfilter.h:294 [inline] ip6_output+0xf2/0x280 net/ipv6/ip6_output.c:175 dst_output include/net/dst.h:436 [inline] NF_HOOK include/linux/netfilter.h:305 [inline] NF_HOOK include/linux/netfilter.h:299 [inline] ip6_xmit+0x6cb/0xcd0 net/ipv6/ip6_output.c:279 inet6_csk_xmit+0x170/0x1f0 net/ipv6/inet6_connection_sock.c:135 __tcp_transmit_skb+0xe81/0x1d60 net/ipv4/tcp_output.c:1169 tcp_transmit_skb net/ipv4/tcp_output.c:1185 [inline] tcp_xmit_probe_skb+0x19b/0x1d0 net/ipv4/tcp_output.c:3735 tcp_write_wakeup+0x12e/0x3b0 net/ipv4/tcp_output.c:3788 tcp_send_probe0+0x3a/0x286 net/ipv4/tcp_output.c:3803 tcp_probe_timer net/ipv4/tcp_timer.c:381 [inline] tcp_write_timer_handler+0x48e/0x510 net/ipv4/tcp_timer.c:603 tcp_write_timer+0xd1/0xf0 net/ipv4/tcp_timer.c:619 call_timer_fn+0x5f/0x2f0 kernel/time/timer.c:1404 expire_timers kernel/time/timer.c:1449 [inline] __run_timers kernel/time/timer.c:1773 [inline] __run_timers kernel/time/timer.c:1740 [inline] run_timer_softirq+0xc0c/0xcd0 kernel/time/timer.c:1786 __do_softirq+0x115/0x33f kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0xbb/0xe0 kernel/softirq.c:413 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0xe6/0x280 arch/x86/kernel/apic/apic.c:1137 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:830 native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60 arch_cpu_idle+0xa/0x10 arch/x86/kernel/process.c:571 default_idle_call+0x1e/0x40 kernel/sched/idle.c:94 cpuidle_idle_call kernel/sched/idle.c:154 [inline] do_idle+0x1af/0x280 kernel/sched/idle.c:263 cpu_startup_entry+0x1b/0x20 kernel/sched/idle.c:355 start_secondary+0x168/0x1b0 arch/x86/kernel/smpboot.c:264 secondary_startup_64+0xa4/0xb0 arch/x86/kernel/head_64.S:241 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 0 Comm: swapper/1 Not tainted 5.4.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2019/12/12 20:41 | https://github.com/google/ktsan.git kcsan | ef798c30ba4e | 08003f64 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/12/11 15:09 | https://github.com/google/ktsan.git kcsan | ef798c30ba4e | 0d368675 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/12/10 21:37 | https://github.com/google/ktsan.git kcsan | ef798c30ba4e | 101194eb | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/12/10 10:45 | https://github.com/google/ktsan.git kcsan | ef798c30ba4e | 4b83c8fb | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/12/07 18:12 | https://github.com/google/ktsan.git kcsan | ef798c30ba4e | 85f26751 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/12/04 04:09 | https://github.com/google/ktsan.git kcsan | ef798c30ba4e | 0ecb9746 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/12/03 10:49 | https://github.com/google/ktsan.git kcsan | ef798c30ba4e | ab342da3 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/11/30 14:54 | https://github.com/google/ktsan.git kcsan | ef798c30ba4e | 3a75be00 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/11/27 16:10 | https://github.com/google/ktsan.git kcsan | ef798c30ba4e | 0d63f89c | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/11/23 08:20 | https://github.com/google/ktsan.git kcsan | 5863cc791e4c | 598ca6c8 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/11/20 14:04 | https://github.com/google/ktsan.git kcsan | 5863cc791e4c | 432c7650 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/11/18 11:19 | https://github.com/google/ktsan.git kcsan | 5863cc791e4c | d5696d51 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/11/12 09:01 | https://github.com/google/ktsan.git kcsan | 7f2955e0d056 | 048f2d49 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/11/09 23:25 | https://github.com/google/ktsan.git kcsan | 94c006602e13 | dc438b91 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/11/09 05:22 | https://github.com/google/ktsan.git kcsan | 94c006602e13 | 1e35461e | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/11/05 18:47 | https://github.com/google/ktsan.git kcsan | 94c006602e13 | af5c522d | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/11/05 03:34 | https://github.com/google/ktsan.git kcsan | 94c006602e13 | 76630fc9 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/11/04 17:10 | https://github.com/google/ktsan.git kcsan | 94c006602e13 | 18e12644 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/11/03 22:26 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | b35fad31 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/11/03 04:48 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | d603afc9 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/11/01 18:54 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 997ccc67 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/31 00:28 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | a41ca8fa | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/29 04:58 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 5ea87a66 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/26 12:48 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 25bb509e | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/26 02:09 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 413926c5 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/25 12:48 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 04ca72cd | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/24 10:23 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | d01bb02a | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/23 14:41 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | b602d64b | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/23 03:19 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | d0686497 | .config | console log | report | ci2-upstream-kcsan-gce |