1 FILE: net/core/rtnetlink.c 2 3 ================================================================== 4 BUG: KMSAN: use of unitialized memory in rtnl_fdb_dump+0x5dc/0x1000 5 CPU: 0 PID: 1039 Comm: probe Not tainted 4.11.0-rc5+ #2727 6 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 7 Call Trace: 8 __dump_stack lib/dump_stack.c:16 9 dump_stack+0x143/0x1b0 lib/dump_stack.c:52 10 kmsan_report+0x12a/0x180 mm/kmsan/kmsan.c:1007 11 __kmsan_warning_32+0x66/0xb0 mm/kmsan/kmsan_instr.c:491 12 rtnl_fdb_dump+0x5dc/0x1000 net/core/rtnetlink.c:3230 13 netlink_dump+0x84f/0x1190 net/netlink/af_netlink.c:2168 14 __netlink_dump_start+0xc97/0xe50 net/netlink/af_netlink.c:2258 15 netlink_dump_start ./include/linux/netlink.h:165 16 rtnetlink_rcv_msg+0xae9/0xb40 net/core/rtnetlink.c:4094 17 netlink_rcv_skb+0x339/0x5a0 net/netlink/af_netlink.c:2339 18 rtnetlink_rcv+0x83/0xa0 net/core/rtnetlink.c:4110 19 netlink_unicast_kernel net/netlink/af_netlink.c:1272 20 netlink_unicast+0x13b7/0x1480 net/netlink/af_netlink.c:1298 21 netlink_sendmsg+0x10b8/0x10f0 net/netlink/af_netlink.c:1844 22 sock_sendmsg_nosec net/socket.c:633 23 sock_sendmsg net/socket.c:643 24 ___sys_sendmsg+0xd4b/0x10f0 net/socket.c:1997 25 __sys_sendmsg net/socket.c:2031 26 SYSC_sendmsg+0x2c6/0x3f0 net/socket.c:2042 27 SyS_sendmsg+0x87/0xb0 net/socket.c:2038 28 do_syscall_64+0x102/0x150 arch/x86/entry/common.c:285 29 entry_SYSCALL64_slow_path+0x25/0x25 arch/x86/entry/entry_64.S:246 30
