Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in tcp_add_backlog / tcp_rcv_space_adjust net | 18 | 1878d | 1887d | 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_add_backlog / tcp_rcv_space_adjust net | 18 | 1878d | 1887d | 0/28 | closed as invalid on 2019/10/15 15:50 |
================================================================== BUG: KCSAN: data-race in tcp_add_backlog / tcp_rcv_space_adjust read to 0xffff88811eedb30c of 4 bytes by interrupt on cpu 1: tcp_add_backlog+0x43/0xcc0 net/ipv4/tcp_ipv4.c:1647 tcp_v4_rcv+0x1a60/0x1bb0 net/ipv4/tcp_ipv4.c:1944 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 virtnet_receive drivers/net/virtio_net.c:1323 [inline] virtnet_poll+0x436/0x7d0 drivers/net/virtio_net.c:1428 napi_poll net/core/dev.c:6392 [inline] net_rx_action+0x3ae/0xa90 net/core/dev.c:6460 write to 0xffff88811eedb30c of 4 bytes by task 7232 on cpu 0: tcp_rcv_space_adjust+0x40f/0x4c0 net/ipv4/tcp_input.c:651 tcp_recvmsg+0xdaa/0x1a30 net/ipv4/tcp.c:2146 inet_recvmsg+0xbb/0x250 net/ipv4/af_inet.c:838 sock_recvmsg_nosec net/socket.c:871 [inline] sock_recvmsg net/socket.c:889 [inline] sock_recvmsg+0x92/0xb0 net/socket.c:885 sock_read_iter+0x15f/0x1e0 net/socket.c:967 call_read_iter include/linux/fs.h:1889 [inline] new_sync_read+0x389/0x4f0 fs/read_write.c:414 __vfs_read+0xb1/0xc0 fs/read_write.c:427 vfs_read fs/read_write.c:461 [inline] vfs_read+0x143/0x2c0 fs/read_write.c:446 ksys_read+0xd5/0x1b0 fs/read_write.c:587 __do_sys_read fs/read_write.c:597 [inline] __se_sys_read fs/read_write.c:595 [inline] __x64_sys_read+0x4c/0x60 fs/read_write.c:595 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: 7232 Comm: syz-fuzzer 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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2019/10/22 23:08 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 4ee855e7 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/22 19:47 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 4ee855e7 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/22 15:01 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 4ee855e7 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/22 02:42 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | c59a7cd8 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/21 00:12 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 8c88c9c1 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/20 19:55 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 8c88c9c1 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/20 16:24 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 8c88c9c1 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/20 05:38 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 8c88c9c1 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/19 11:22 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 8c88c9c1 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/19 09:01 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 8c88c9c1 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/19 02:32 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 8c88c9c1 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/18 16:19 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 8c88c9c1 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/18 08:15 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 8c88c9c1 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/17 17:43 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 8c88c9c1 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/17 07:50 | https://github.com/google/ktsan.git kcsan | a6311db074d9 | 8c88c9c1 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/17 00:51 | https://github.com/google/ktsan.git kcsan | a6311db074d9 | 8c88c9c1 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/16 22:24 | https://github.com/google/ktsan.git kcsan | a6311db074d9 | 8c88c9c1 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/16 03:50 | https://github.com/google/ktsan.git kcsan | e3d315561216 | d4ea592f | .config | console log | report | ci2-upstream-kcsan-gce |