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🐞 Open [1168] 🐞 Fixed [4326] 🐞 Invalid [9672] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in dccp_connect / dccp_sendmsg (2) | 1 | 438d | 438d | 0/24 | auto-closed as invalid on 2022/01/01 06:39 |
================================================================== BUG: KCSAN: data-race in dccp_connect / dccp_sendmsg write to 0xffff8880165fe83c of 4 bytes by task 23129 on cpu 0: dccp_sync_mss net/dccp/output.c:188 [inline] dccp_connect+0x17f/0x3e0 net/dccp/output.c:542 dccp_v4_connect+0x817/0x890 net/dccp/ipv4.c:122 __inet_stream_connect+0x586/0x690 net/ipv4/af_inet.c:661 inet_stream_connect+0x44/0x70 net/ipv4/af_inet.c:725 __sys_connect_file net/socket.c:1852 [inline] __sys_connect+0x245/0x280 net/socket.c:1869 __do_sys_connect net/socket.c:1879 [inline] __se_sys_connect net/socket.c:1876 [inline] __x64_sys_connect+0x3d/0x50 net/socket.c:1876 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff8880165fe83c of 4 bytes by task 23134 on cpu 1: dccp_sendmsg+0x4a/0x690 net/dccp/proto.c:745 inet_sendmsg+0x5f/0x80 net/ipv4/af_inet.c:817 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg net/socket.c:671 [inline] ____sys_sendmsg+0x352/0x4c0 net/socket.c:2353 ___sys_sendmsg net/socket.c:2407 [inline] __sys_sendmmsg+0x335/0x4b0 net/socket.c:2497 __do_sys_sendmmsg net/socket.c:2526 [inline] __se_sys_sendmmsg net/socket.c:2523 [inline] __x64_sys_sendmmsg+0x53/0x60 net/socket.c:2523 do_syscall_64+0x39/0x80 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 1 PID: 23134 Comm: syz-executor.0 Not tainted 5.9.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 ==================================================================
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
ci2-upstream-kcsan-gce | 2020/10/25 18:00 | upstream | d76913908102 | a1839e81 | .config | console log | report | info |