Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in skb_dequeue / unix_dgram_peer_wake_me net | 1 | 1628d | 1628d | 0/26 | closed as invalid on 2019/11/19 13:24 |
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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_peer_wake_me net | 1 | 1628d | 1628d | 0/26 | closed as invalid on 2019/11/19 13:24 |
================================================================== BUG: KCSAN: data-race in skb_dequeue / unix_dgram_peer_wake_me write to 0xffff8880891a68e0 of 4 bytes by task 22779 on cpu 1: __skb_unlink include/linux/skbuff.h:2022 [inline] __skb_dequeue include/linux/skbuff.h:2042 [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:472 unix_dgram_connect+0x419/0x5a0 net/unix/af_unix.c:1174 __sys_connect_file+0xf4/0x100 net/socket.c:1844 __sys_connect+0x121/0x150 net/socket.c:1861 __do_sys_connect net/socket.c:1872 [inline] __se_sys_connect net/socket.c:1869 [inline] __x64_sys_connect+0x4c/0x60 net/socket.c:1869 do_syscall_64+0xcc/0x3a0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x44/0xa9 read to 0xffff8880891a68e0 of 4 bytes by task 22767 on cpu 0: unix_recvq_full net/unix/af_unix.c:194 [inline] unix_dgram_peer_wake_me+0x7b/0x240 net/unix/af_unix.c:435 unix_dgram_poll+0x3de/0x410 net/unix/af_unix.c:2681 sock_poll+0xed/0x250 net/socket.c:1258 vfs_poll include/linux/poll.h:90 [inline] ep_item_poll.isra.0+0x90/0x190 fs/eventpoll.c:871 ep_send_events_proc+0x113/0x590 fs/eventpoll.c:1728 ep_scan_ready_list.constprop.0+0x189/0x410 fs/eventpoll.c:698 ep_send_events fs/eventpoll.c:1772 [inline] ep_poll+0xe3/0x900 fs/eventpoll.c:1909 do_epoll_wait+0x162/0x180 fs/eventpoll.c:2273 __do_sys_epoll_wait fs/eventpoll.c:2283 [inline] __se_sys_epoll_wait fs/eventpoll.c:2280 [inline] __x64_sys_epoll_wait+0x5e/0x80 fs/eventpoll.c:2280 do_syscall_64+0xcc/0x3a0 arch/x86/entry/common.c:294 entry_SYSCALL_64_after_hwframe+0x44/0xa9 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 22767 Comm: syz-executor.2 Not tainted 5.5.0-rc1-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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2020/02/10 10:52 | https://github.com/google/ktsan.git kcsan | f60f0f543333 | 35f5e45e | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2020/01/06 13:25 | https://github.com/google/ktsan.git kcsan | 245a43005292 | 438e1227 | .config | console log | report | ci2-upstream-kcsan-gce | |||||
2019/12/03 11:21 | https://github.com/google/ktsan.git kcsan | ef798c30ba4e | ab342da3 | .config | console log | report | ci2-upstream-kcsan-gce |