Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in tcp_ack / tcp_poll net | 4 | 1877d | 1886d | 0/28 | closed as invalid on 2019/10/15 15:50 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in tcp_ack / tcp_poll net | 4 | 1877d | 1886d | 0/28 | closed as invalid on 2019/10/15 15:50 |
================================================================== BUG: KCSAN: data-race in tcp_ack / tcp_poll write to 0xffff8881216be188 of 4 bytes by interrupt on cpu 1: sk_wmem_free_skb include/net/sock.h:1470 [inline] tcp_rtx_queue_unlink_and_free include/net/tcp.h:1801 [inline] tcp_clean_rtx_queue net/ipv4/tcp_input.c:3161 [inline] tcp_ack+0xf2c/0x3170 net/ipv4/tcp_input.c:3688 tcp_rcv_established+0xd3d/0xf50 net/ipv4/tcp_input.c:5622 tcp_v4_do_rcv+0x381/0x4e0 net/ipv4/tcp_ipv4.c:1561 tcp_v4_rcv+0x19dc/0x1bb0 net/ipv4/tcp_ipv4.c:1942 ip_protocol_deliver_rcu+0x4d/0x420 net/ipv4/ip_input.c:204 ip_local_deliver_finish+0x110/0x140 net/ipv4/ip_input.c:231 NF_HOOK include/linux/netfilter.h:305 [inline] NF_HOOK include/linux/netfilter.h:299 [inline] ip_local_deliver+0x133/0x210 net/ipv4/ip_input.c:252 dst_input include/net/dst.h:442 [inline] ip_rcv_finish+0x121/0x160 net/ipv4/ip_input.c:413 NF_HOOK include/linux/netfilter.h:305 [inline] NF_HOOK include/linux/netfilter.h:299 [inline] ip_rcv+0x18f/0x1a0 net/ipv4/ip_input.c:523 __netif_receive_skb_one_core+0xa7/0xe0 net/core/dev.c:5010 __netif_receive_skb+0x37/0xf0 net/core/dev.c:5124 netif_receive_skb_internal+0x59/0x190 net/core/dev.c:5214 napi_skb_finish net/core/dev.c:5677 [inline] napi_gro_receive+0x28f/0x330 net/core/dev.c:5710 receive_buf+0x284/0x30b0 drivers/net/virtio_net.c:1061 read to 0xffff8881216be188 of 4 bytes by task 7185 on cpu 0: sk_stream_wspace include/net/sock.h:886 [inline] __sk_stream_is_writeable include/net/sock.h:1224 [inline] sk_stream_is_writeable include/net/sock.h:1230 [inline] tcp_poll+0x422/0x6b0 net/ipv4/tcp.c:558 sock_poll+0xed/0x250 net/socket.c:1256 vfs_poll include/linux/poll.h:90 [inline] do_select+0x7d0/0x1020 fs/select.c:534 core_sys_select+0x381/0x550 fs/select.c:677 kern_select+0x106/0x170 fs/select.c:718 __do_sys_select fs/select.c:725 [inline] __se_sys_select fs/select.c:722 [inline] __x64_sys_select+0x70/0x90 fs/select.c:722 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 7185 Comm: sshd Not tainted 5.4.0-rc3+ #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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2019/10/30 09:10 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 5ea87a66 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/27 22:19 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 25bb509e | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/24 02:15 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | b602d64b | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/22 21:49 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 4ee855e7 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/19 02:05 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 8c88c9c1 | .config | console log | report | ci2-upstream-kcsan-gce |