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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_rfree / unreserve_rx_kcm (2) | 141 | 111d | 443d | 0/24 | closed as invalid on 2022/10/12 17:53 | |||
upstream | KCSAN: data-race in kcm_rfree / unreserve_rx_kcm | 236 | 662d | 853d | 0/24 | auto-closed as invalid on 2021/05/12 22:24 |
================================================================== BUG: KCSAN: data-race in kcm_rfree / unreserve_rx_kcm write to 0xffff8881092a47b8 of 8 bytes by task 25 on cpu 1: unreserve_rx_kcm+0x72/0x1f0 net/kcm/kcmsock.c:313 kcm_rcv_strparser+0x2b5/0x3a0 net/kcm/kcmsock.c:373 __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 0xffff8881092a47b8 of 8 bytes by task 4090 on cpu 0: kcm_rfree+0x14c/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: 0xffff888108759e00 -> 0x0000000000000000 Reported by Kernel Concurrency Sanitizer on: CPU: 0 PID: 4090 Comm: syz-executor.2 Not tainted 6.1.0-rc1-syzkaller-00158-g440b7895c990-dirty #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 ==================================================================
Manager | Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
ci2-upstream-kcsan-gce | 2022/10/22 08:24 | upstream | 440b7895c990 | c0b80a55 | .config | console log | report | info | [disk image] [vmlinux] | KCSAN: data-race in kcm_rfree / unreserve_rx_kcm | ||
ci2-upstream-kcsan-gce | 2022/10/20 19:51 | upstream | aae703b02f92 | a0fd4dab | .config | console log | report | info | [disk image] [vmlinux] | KCSAN: data-race in kcm_rfree / unreserve_rx_kcm | ||
ci2-upstream-kcsan-gce | 2022/10/19 02:34 | upstream | aae703b02f92 | b31320fc | .config | console log | report | info | [disk image] [vmlinux] | KCSAN: data-race in kcm_rfree / unreserve_rx_kcm | ||
ci2-upstream-kcsan-gce | 2022/10/15 12:40 | upstream | 19d17ab7c68b | 67cb024c | .config | console log | report | info | [disk image] [vmlinux] | KCSAN: data-race in kcm_rfree / unreserve_rx_kcm |