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🐞 Open [1166] 🐞 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 kcm_rcv_strparser / kcm_rfree (4) | 4 | 736d | 761d | 0/24 | auto-closed as invalid on 2021/02/27 15:17 | |||
upstream | KCSAN: data-race in kcm_rcv_strparser / kcm_rfree (2) | 1 | 951d | 951d | 0/24 | auto-closed as invalid on 2020/07/27 00:03 | |||
upstream | KCSAN: data-race in kcm_rcv_strparser / kcm_rfree (5) | 2 | 685d | 695d | 0/24 | auto-closed as invalid on 2021/04/19 17:00 | |||
upstream | KCSAN: data-race in kcm_rcv_strparser / kcm_rfree | 21 | 979d | 1167d | 0/24 | closed as invalid on 2020/06/18 14:24 | |||
upstream | KCSAN: data-race in kcm_rcv_strparser / kcm_rfree (6) | 22 | 154d | 412d | 0/24 | auto-closed as invalid on 2022/10/02 20:43 | |||
upstream | KCSAN: data-race in kcm_rcv_strparser / kcm_rfree (3) | 1 | 863d | 863d | 0/24 | auto-closed as invalid on 2020/10/23 10:46 |
================================================================== BUG: KCSAN: data-race in kcm_rcv_strparser / kcm_rfree write to 0xffff88810784e3d0 of 1 bytes by task 1823 on cpu 1: reserve_rx_kcm net/kcm/kcmsock.c:283 [inline] kcm_rcv_strparser+0x250/0x3a0 net/kcm/kcmsock.c:363 __strp_recv+0x64c/0xd20 net/strparser/strparser.c:301 strp_recv+0x6d/0x80 net/strparser/strparser.c:335 tcp_read_sock+0x13e/0x5a0 net/ipv4/tcp.c:1703 strp_read_sock net/strparser/strparser.c:358 [inline] do_strp_work net/strparser/strparser.c:406 [inline] strp_work+0xe8/0x180 net/strparser/strparser.c:415 process_one_work+0x3d3/0x720 kernel/workqueue.c:2289 worker_thread+0x618/0xa70 kernel/workqueue.c:2436 kthread+0x1a9/0x1e0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306 read to 0xffff88810784e3d0 of 1 bytes by task 17869 on cpu 0: kcm_rfree+0x121/0x220 net/kcm/kcmsock.c:181 skb_release_head_state+0x8e/0x160 net/core/skbuff.c:841 skb_release_all net/core/skbuff.c:852 [inline] __kfree_skb net/core/skbuff.c:868 [inline] kfree_skb_reason+0x5c/0x260 net/core/skbuff.c:891 kfree_skb include/linux/skbuff.h:1216 [inline] kcm_recvmsg+0x226/0x2b0 net/kcm/kcmsock.c:1161 ____sys_recvmsg+0x16c/0x2e0 ___sys_recvmsg net/socket.c:2743 [inline] do_recvmmsg+0x2f1/0x710 net/socket.c:2837 __sys_recvmmsg net/socket.c:2916 [inline] __do_sys_recvmmsg net/socket.c:2939 [inline] __se_sys_recvmmsg net/socket.c:2932 [inline] __x64_sys_recvmmsg+0xde/0x160 net/socket.c:2932 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd value changed: 0x01 -> 0x00 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 17869 Comm: syz-executor.2 Not tainted 6.1.0-rc1-syzkaller-00010-gbb1a1146467a-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 ==================================================================
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
ci2-upstream-kcsan-gce | 2022/10/18 10:18 | upstream | bb1a1146467a | b31320fc | .config | console log | report | info | [disk image] [vmlinux] | KCSAN: data-race in kcm_rcv_strparser / kcm_rfree |