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================================================================== BUG: KCSAN: data-race in rawv6_sendmsg / sock_set_timestamping write to 0xffff88813b22a6e8 of 2 bytes by task 7089 on cpu 1: sock_set_timestamping+0x197/0x4b0 net/core/sock.c:882 sock_setsockopt+0x17b6/0x1d50 net/core/sock.c:1134 __sys_setsockopt+0x14f/0x200 net/socket.c:2155 __do_sys_setsockopt net/socket.c:2170 [inline] __se_sys_setsockopt net/socket.c:2167 [inline] __x64_sys_setsockopt+0x62/0x70 net/socket.c:2167 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff88813b22a6e8 of 2 bytes by task 7095 on cpu 0: rawv6_sendmsg+0x1c1/0x1380 net/ipv6/raw.c:812 inet_sendmsg+0x5f/0x80 net/ipv4/af_inet.c:821 sock_sendmsg_nosec net/socket.c:703 [inline] sock_sendmsg net/socket.c:723 [inline] ____sys_sendmsg+0x360/0x4d0 net/socket.c:2392 ___sys_sendmsg net/socket.c:2446 [inline] __sys_sendmmsg+0x315/0x4b0 net/socket.c:2532 __do_sys_sendmmsg net/socket.c:2561 [inline] __se_sys_sendmmsg net/socket.c:2558 [inline] __x64_sys_sendmmsg+0x53/0x60 net/socket.c:2558 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0x90 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0x0000 -> 0x27df Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 7095 Comm: syz-executor.5 Tainted: G W 5.14.0-rc3-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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2021/08/01 12:03 | upstream | f3438b4c4e69 | 6c236867 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in rawv6_sendmsg / sock_set_timestamping | |||
2021/07/04 16:42 | upstream | 3dbdb38e2869 | 55aa55c2 | .config | console log | report | info | ci2-upstream-kcsan-gce | KCSAN: data-race in rawv6_sendmsg / sock_set_timestamping |