Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in tcp_update_metrics / tcp_update_metrics (2) net | 1 | 257d | 257d | 0/26 | auto-obsoleted due to no activity on 2023/08/19 15:31 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in tcp_update_metrics / tcp_update_metrics (2) net | 1 | 257d | 257d | 0/26 | auto-obsoleted due to no activity on 2023/08/19 15:31 |
================================================================== BUG: KCSAN: data-race in tcp_update_metrics / tcp_update_metrics read to 0xffff888137e91dc8 of 4 bytes by task 895 on cpu 1: tcp_metric_get net/ipv4/tcp_metrics.c:68 [inline] tcp_update_metrics+0x276/0x6e0 net/ipv4/tcp_metrics.c:377 tcp_time_wait+0x484/0x520 net/ipv4/tcp_minisocks.c:332 __tcp_close+0x904/0x11f0 net/ipv4/tcp.c:2870 __mptcp_close_ssk+0x2dd/0x440 net/mptcp/protocol.c:2344 __mptcp_destroy_sock+0x18f/0x360 net/mptcp/protocol.c:2828 mptcp_worker+0x7c6/0xa80 net/mptcp/protocol.c:2586 process_one_work+0x3d3/0x720 kernel/workqueue.c:2289 worker_thread+0x618/0xa70 kernel/workqueue.c:2436 kthread+0x1a9/0x1e0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 write to 0xffff888137e91dc8 of 4 bytes by task 7845 on cpu 0: tcp_metric_set net/ipv4/tcp_metrics.c:75 [inline] tcp_update_metrics+0x29e/0x6e0 net/ipv4/tcp_metrics.c:383 tcp_time_wait+0x484/0x520 net/ipv4/tcp_minisocks.c:332 __tcp_close+0x904/0x11f0 net/ipv4/tcp.c:2870 __mptcp_close_ssk+0x2dd/0x440 net/mptcp/protocol.c:2344 __mptcp_destroy_sock+0x18f/0x360 net/mptcp/protocol.c:2828 mptcp_worker+0x7c6/0xa80 net/mptcp/protocol.c:2586 process_one_work+0x3d3/0x720 kernel/workqueue.c:2289 worker_thread+0x618/0xa70 kernel/workqueue.c:2436 kthread+0x1a9/0x1e0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 value changed: 0x00001b63 -> 0x00001831 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 7845 Comm: kworker/0:62 Not tainted 5.19.0-rc8-syzkaller-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/29/2022 Workqueue: events mptcp_worker ==================================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2022/07/25 17:35 | upstream | e0dccc3b76fb | 664c519c | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in tcp_update_metrics / tcp_update_metrics |