Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in skb_dequeue / unix_dgram_sendmsg (2) net | 2 | 1543d | 1554d | 0/26 | auto-closed as invalid on 2020/04/11 15:30 |
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Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in skb_dequeue / unix_dgram_sendmsg (2) net | 2 | 1543d | 1554d | 0/26 | auto-closed as invalid on 2020/04/11 15:30 |
================================================================== BUG: KCSAN: data-race in skb_dequeue / unix_dgram_sendmsg write to 0xffff88809ed310e0 of 4 bytes by task 20771 on cpu 1: __skb_unlink include/linux/skbuff.h:2020 [inline] __skb_dequeue include/linux/skbuff.h:2040 [inline] skb_dequeue+0x84/0x150 net/core/skbuff.c:3040 skb_queue_purge+0x2f/0x50 net/core/skbuff.c:3077 unix_dgram_disconnected+0x42/0xe0 net/unix/af_unix.c:474 unix_dgram_connect+0x210/0x490 net/unix/af_unix.c:1164 __sys_connect+0x1e9/0x250 net/socket.c:1828 __do_sys_connect net/socket.c:1839 [inline] __se_sys_connect net/socket.c:1836 [inline] __x64_sys_connect+0x4c/0x60 net/socket.c:1836 do_syscall_64+0xcc/0x370 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff88809ed310e0 of 4 bytes by task 20773 on cpu 0: unix_recvq_full net/unix/af_unix.c:194 [inline] unix_dgram_sendmsg+0x9ef/0xc80 net/unix/af_unix.c:1715 sock_sendmsg_nosec net/socket.c:637 [inline] sock_sendmsg+0x9f/0xc0 net/socket.c:657 ___sys_sendmsg+0x2b7/0x5d0 net/socket.c:2311 __sys_sendmmsg+0x123/0x350 net/socket.c:2413 __do_sys_sendmmsg net/socket.c:2442 [inline] __se_sys_sendmmsg net/socket.c:2439 [inline] __x64_sys_sendmmsg+0x64/0x80 net/socket.c:2439 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: 20773 Comm: syz-executor.3 Not tainted 5.4.0-rc6+ #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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2019/11/07 06:12 | https://github.com/google/ktsan.git kcsan | 94c006602e13 | d797d201 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/10/26 01:15 | https://github.com/google/ktsan.git kcsan | 05f2236801fe | 413926c5 | .config | console log | report | ci2-upstream-kcsan-gce |