syzbot |
sign-in | mailing list | source | docs |
🐞 Open [1167] 🐞 Fixed [4299] 🐞 Invalid [9646] 📈 Kernel Health 📈 Bug Lifetimes 📈 Fuzzing 📈 Crashes |
Kernel | Title | Repro | Cause bisect | Fix bisect | Count | Last | Reported | Patched | Status |
---|---|---|---|---|---|---|---|---|---|
upstream | KCSAN: data-race in skb_queue_tail / unix_dgram_poll (3) | 1 | 719d | 719d | 0/24 | auto-closed as invalid on 2021/03/17 02:28 | |||
upstream | KCSAN: data-race in skb_queue_tail / unix_dgram_poll | 2 | 1184d | 1192d | 0/24 | closed as invalid on 2019/11/19 13:24 | |||
upstream | KCSAN: data-race in skb_queue_tail / unix_dgram_poll (2) | 1 | 909d | 909d | 0/24 | auto-closed as invalid on 2020/09/08 00:38 |
================================================================== BUG: KCSAN: data-race in skb_queue_tail / unix_dgram_poll write to 0xffff8881039f1ce0 of 4 bytes by task 1017 on cpu 1: __skb_insert include/linux/skbuff.h:1943 [inline] __skb_queue_before include/linux/skbuff.h:2048 [inline] __skb_queue_tail include/linux/skbuff.h:2081 [inline] skb_queue_tail+0x80/0xa0 net/core/skbuff.c:3310 unix_dgram_sendmsg+0x101e/0x1650 net/unix/af_unix.c:1902 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg net/socket.c:724 [inline] ____sys_sendmsg+0x39a/0x510 net/socket.c:2409 ___sys_sendmsg net/socket.c:2463 [inline] __sys_sendmsg+0x242/0x2c0 net/socket.c:2492 __do_sys_sendmsg net/socket.c:2501 [inline] __se_sys_sendmsg net/socket.c:2499 [inline] __x64_sys_sendmsg+0x42/0x50 net/socket.c:2499 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae read to 0xffff8881039f1ce0 of 4 bytes by task 372 on cpu 0: skb_queue_len include/linux/skbuff.h:1874 [inline] unix_recvq_full net/unix/af_unix.c:195 [inline] unix_dgram_poll+0x2bc/0x3e0 net/unix/af_unix.c:3076 sock_poll+0x23e/0x260 net/socket.c:1302 vfs_poll include/linux/poll.h:90 [inline] ep_item_poll fs/eventpoll.c:846 [inline] ep_send_events fs/eventpoll.c:1685 [inline] ep_poll fs/eventpoll.c:1799 [inline] do_epoll_wait+0x6b7/0xf10 fs/eventpoll.c:2227 __do_sys_epoll_wait fs/eventpoll.c:2239 [inline] __se_sys_epoll_wait fs/eventpoll.c:2234 [inline] __x64_sys_epoll_wait+0x119/0x140 fs/eventpoll.c:2234 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x44/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae value changed: 0x00000000 -> 0x00000001 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 372 Comm: systemd-journal Not tainted 5.14.0-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 | 2021/09/12 06:11 | upstream | c605c39677b9 | 3ce60af8 | .config | console log | report | info | KCSAN: data-race in skb_queue_tail / unix_dgram_poll | |||
ci2-upstream-kcsan-gce | 2021/08/30 23:34 | upstream | 8596e589b787 | 8f58a0ef | .config | console log | report | info | KCSAN: data-race in skb_queue_tail / unix_dgram_poll |