** Description changed: + SRU Justification + + Impact + bind(AF_UNSPEC) to INADDR_ANY doesn't work anymore, breaking some legacy applications + + Fix + upstream commit 29c486df6a208432b370bd4be99ae1369ede28d8 + + Testcase + small C program below + + ====================================================================================== + commit d0733d2e29b65 (Check for mistakenly passed in non-IPv4 address), causes regressions in applications which expects bind(AF_UNSPEC) with INADDR_ANY to work. It was reported at https://bugzilla.kernel.org/show_bug.cgi?id=42012, but since bugzilla.kernel.org is not available for some time, some of the discussion about this issue is can be seen at http://patchwork.ozlabs.org/patch/112362/ for example as an additional source. Testcase: #include <stdio.h> #include <sys/socket.h> #include <string.h> #include <linux/in.h> int main(int argc, char **argv) { - struct sockaddr_in addr; - int fd, r; + struct sockaddr_in addr; + int fd, r; - fd = socket(PF_INET, SOCK_STREAM, 0); - memset(&addr, 0, sizeof(struct sockaddr_in)); - r = bind(fd, (struct sockaddr *)&addr, sizeof(addr)); - if (!r) - printf("Everything looks good\n"); - else - printf("ERROR: too strict AF_INET check\n"); - close(fd); + fd = socket(PF_INET, SOCK_STREAM, 0); + memset(&addr, 0, sizeof(struct sockaddr_in)); + r = bind(fd, (struct sockaddr *)&addr, sizeof(addr)); + if (!r) + printf("Everything looks good\n"); + else + printf("ERROR: too strict AF_INET check\n"); + close(fd); }
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/900396 Title: Regression with applications which expects bind(AF_UNSPEC) with INADDR_ANY to work To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/900396/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
