the ifa_name is null and ovs-vswitchd crashed. but i don't know how this happen.
the stack is : hread 1 (LWP 2275): (gdb) x/16i $pc => 0x7f25f89d235c: movdqu (%rdi),%xmm1 0x7f25f89d2360: movdqu (%rsi),%xmm2 0x7f25f89d2364: pxor %xmm0,%xmm0 0x7f25f89d2368: pcmpeqb %xmm1,%xmm0 0x7f25f89d236c: pcmpeqb %xmm2,%xmm1 0x7f25f89d2370: psubb %xmm0,%xmm1 0x7f25f89d2374: pmovmskb %xmm1,%edx 0x7f25f89d2378: sub $0xffff,%edx 0x7f25f89d237e: jne 0x7f25f89d32e0 0x7f25f89d2384: sub $0x10,%r11 0x7f25f89d2388: jbe 0x7f25f89d32f4 0x7f25f89d238e: add $0x10,%rsi 0x7f25f89d2392: add $0x10,%rdi 0x7f25f89d2396: nopw %cs:0x0(%rax,%rax,1) 0x7f25f89d23a0: and $0xfffffffffffffff0,%rsi 0x7f25f89d23a4: and $0xfffffffffffffff0,%rdi (gdb) info registers rax 0x0 0 rbx 0x2 2 rcx 0x10 16 rdx 0x10 16 rsi 0x7f25e897e450 139800792786000 rdi 0x0 0 rbp 0x7f25e897e450 0x7f25e897e450 rsp 0x7ffcbe33c088 0x7ffcbe33c088 r8 0xffff 65535 r9 0x0 0 r10 0x7f25f89d2ef0 139801061568240 r11 0x10 16 r12 0x7ffcbe33c160 140723499549024 r13 0x7ffcbe33c158 140723499549016 r14 0x7ffcbe33c154 140723499549012 r15 0x7f25e8a0ee80 139800793378432 rip 0x7f25f89d235c 0x7f25f89d235c eflags 0x13283 [ CF SF IF #12 #13 RF ] cs 0x33 51 ss 0x2b 43 ds 0x0 0 es 0x0 0 fs 0x0 0 gs 0x0 0 Signed-off-by: Haifeng Lin <[email protected]> --- lib/netdev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/netdev.c b/lib/netdev.c index a7840a8..c0a7eae 100644 --- a/lib/netdev.c +++ b/lib/netdev.c @@ -1942,7 +1942,7 @@ netdev_get_addrs(const char dev[], struct in6_addr **paddr, } for (ifa = if_addr_list; ifa; ifa = ifa->ifa_next) { - if (ifa->ifa_addr != NULL) { + if (ifa->ifa_addr && ifa->ifa_name) { int family; family = ifa->ifa_addr->sa_family; -- 1.8.5.2.msysgit.0 _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
