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===================================================== BUG: KMSAN: uninit-value in raw_lookup net/ipv4/raw_diag.c:43 [inline] BUG: KMSAN: uninit-value in raw_sock_get+0x583/0x790 net/ipv4/raw_diag.c:72 raw_lookup net/ipv4/raw_diag.c:43 [inline] raw_sock_get+0x583/0x790 net/ipv4/raw_diag.c:72 raw_diag_dump_one+0xa5/0x620 net/ipv4/raw_diag.c:100 inet_diag_cmd_exact+0x94d/0xa20 inet_diag_get_exact_compat net/ipv4/inet_diag.c:1302 [inline] inet_diag_rcv_msg_compat+0x476/0x520 net/ipv4/inet_diag.c:1324 sock_diag_rcv_msg+0x1d7/0x530 netlink_rcv_skb+0x3f8/0x750 net/netlink/af_netlink.c:2574 sock_diag_rcv+0x40/0x60 net/core/sock_diag.c:280 netlink_unicast_kernel net/netlink/af_netlink.c:1339 [inline] netlink_unicast+0xf41/0x1270 net/netlink/af_netlink.c:1365 netlink_sendmsg+0x127d/0x1430 net/netlink/af_netlink.c:1942 sock_sendmsg_nosec net/socket.c:724 [inline] sock_sendmsg net/socket.c:747 [inline] ____sys_sendmsg+0xa24/0xe40 net/socket.c:2501 ___sys_sendmsg+0x2a1/0x3f0 net/socket.c:2555 __sys_sendmsg net/socket.c:2584 [inline] __do_sys_sendmsg net/socket.c:2593 [inline] __se_sys_sendmsg net/socket.c:2591 [inline] __x64_sys_sendmsg+0x36b/0x540 net/socket.c:2591 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd Local variable req.i created at: inet_diag_get_exact_compat net/ipv4/inet_diag.c:1294 [inline] inet_diag_rcv_msg_compat+0x2c5/0x520 net/ipv4/inet_diag.c:1324 sock_diag_rcv_msg+0x1d7/0x530 CPU: 1 PID: 24512 Comm: syz-executor.1 Not tainted 6.3.0-rc5-syzkaller-g9189d4cb6980 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023 =====================================================
Time | Kernel | Commit | Syzkaller | Config | Log | Report | Syz repro | C repro | VM info | Assets (help?) | Manager | Title |
---|---|---|---|---|---|---|---|---|---|---|---|---|
2023/04/09 20:14 | https://github.com/google/kmsan.git master | 9189d4cb6980 | 71147e29 | .config | console log | report | info | ci-upstream-kmsan-gce | KMSAN: uninit-value in raw_sock_get |