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================================================================== BUG: KCSAN: data-race in br_handle_frame_finish / br_handle_frame_finish write to 0xffff888121b54148 of 8 bytes by interrupt on cpu 0: br_handle_frame_finish+0x7bf/0xa90 net/bridge/br_input.c:142 br_nf_hook_thresh+0x1f8/0x210 net/bridge/br_netfilter_hooks.c:1019 br_nf_pre_routing_finish+0x57c/0x810 net/bridge/br_netfilter_hooks.c:422 NF_HOOK include/linux/netfilter.h:307 [inline] NF_HOOK include/linux/netfilter.h:301 [inline] br_nf_pre_routing+0x660/0xd75 net/bridge/br_netfilter_hooks.c:531 nf_hook_entry_hookfn include/linux/netfilter.h:135 [inline] nf_hook_bridge_pre net/bridge/br_input.c:224 [inline] br_handle_frame+0x432/0x890 net/bridge/br_input.c:349 __netif_receive_skb_core+0xc6d/0x1ed0 net/core/dev.c:5051 __netif_receive_skb_one_core+0x67/0xe0 net/core/dev.c:5148 __netif_receive_skb+0x37/0xf0 net/core/dev.c:5264 process_backlog+0x207/0x4b0 net/core/dev.c:6095 napi_poll net/core/dev.c:6532 [inline] net_rx_action+0x3ae/0xa90 net/core/dev.c:6600 __do_softirq+0x115/0x33f kernel/softirq.c:292 run_ksoftirqd+0x46/0x60 kernel/softirq.c:603 smpboot_thread_fn+0x37d/0x4a0 kernel/smpboot.c:165 kthread+0x1d4/0x200 drivers/block/aoe/aoecmd.c:1253 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352 read to 0xffff888121b54148 of 8 bytes by interrupt on cpu 1: br_handle_frame_finish+0x7ac/0xa90 net/bridge/br_input.c:142 br_nf_hook_thresh+0x1f8/0x210 net/bridge/br_netfilter_hooks.c:1019 br_nf_pre_routing_finish_ipv6+0x3cb/0x520 net/bridge/br_netfilter_ipv6.c:206 NF_HOOK include/linux/netfilter.h:307 [inline] br_nf_pre_routing_ipv6+0x23a/0x340 net/bridge/br_netfilter_ipv6.c:236 br_nf_pre_routing+0xaf8/0xd75 net/bridge/br_netfilter_hooks.c:505 nf_hook_entry_hookfn include/linux/netfilter.h:135 [inline] nf_hook_bridge_pre net/bridge/br_input.c:224 [inline] br_handle_frame+0x432/0x890 net/bridge/br_input.c:349 __netif_receive_skb_core+0xc6d/0x1ed0 net/core/dev.c:5051 __netif_receive_skb_one_core+0x67/0xe0 net/core/dev.c:5148 __netif_receive_skb+0x37/0xf0 net/core/dev.c:5264 process_backlog+0x207/0x4b0 net/core/dev.c:6095 napi_poll net/core/dev.c:6532 [inline] net_rx_action+0x3ae/0xa90 net/core/dev.c:6600 __do_softirq+0x115/0x33f kernel/softirq.c:292 run_ksoftirqd+0x46/0x60 kernel/softirq.c:603 smpboot_thread_fn+0x37d/0x4a0 kernel/smpboot.c:165 kthread+0x1d4/0x200 drivers/block/aoe/aoecmd.c:1253 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:352 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 16 Comm: ksoftirqd/1 Not tainted 5.5.0-rc1-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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020/02/04 05:00 | https://github.com/google/ktsan.git kcsan | 245a43005292 | 93e5e335 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2019/11/30 08:39 | https://github.com/google/ktsan.git kcsan | ef798c30ba4e | 3a75be00 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
| 2019/11/16 10:03 | https://github.com/google/ktsan.git kcsan | 5863cc791e4c | cdac920b | .config | console log | report | ci2-upstream-kcsan-gce |