Re: mod-jk (1.2.37) crashes Apache 2 (2.4.7) occasionally with a buffer overflow on Ubuntu 14.04 x64

FYI, the bug is submitted: https://bz.apache.org/bugzilla/show_bug.cgi?id=59897 Chris and Rainer, thanks for pointing me in the right direction! Michael On 19 July 2016 at 11:42, Michael Diener wrote: > Chris, > > thanks a lot for explaining what could be overflowing the

Re: mod-jk (1.2.37) crashes Apache 2 (2.4.7) occasionally with a buffer overflow on Ubuntu 14.04 x64

Chris, thanks a lot for explaining what could be overflowing the FD_SETSIZE of 1024. Just for reference, I use mpm_event mostly with SSL connections, so it should behave like mpm_worker. This is my configuration: StartServers 2 ServerLimit 16

Re: mod-jk (1.2.37) crashes Apache 2 (2.4.7) occasionally with a buffer overflow on Ubuntu 14.04 x64

-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Michael, On 7/18/16 10:10 AM, Christopher Schultz wrote: > Michael, > > On 7/18/16 8:53 AM, Michael Diener wrote: >> On 6 July 2016 at 00:09, Christopher Schultz >> wrote: > From what I understand a buffer

Re: mod-jk (1.2.37) crashes Apache 2 (2.4.7) occasionally with a buffer overflow on Ubuntu 14.04 x64

-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Michael, On 7/18/16 10:10 AM, Christopher Schultz wrote: > Michael, > > On 7/18/16 8:53 AM, Michael Diener wrote: >> On 6 July 2016 at 00:09, Christopher Schultz >> wrote: > From what I understand a buffer

Re: mod-jk (1.2.37) crashes Apache 2 (2.4.7) occasionally with a buffer overflow on Ubuntu 14.04 x64

-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Michael, On 7/18/16 8:53 AM, Michael Diener wrote: > On 6 July 2016 at 00:09, Christopher Schultz > wrote: > >>> From what I understand a buffer overflow would only happen for >>> FD_SET if the fd_set gets over 1024

Re: mod-jk (1.2.37) crashes Apache 2 (2.4.7) occasionally with a buffer overflow on Ubuntu 14.04 x64

On 6 July 2016 at 00:09, Christopher Schultz wrote: > > From what I understand a buffer overflow would only happen for > > FD_SET if the fd_set gets over 1024 descriptors. I made sure that > > my ulimit for open files is set and applied large enough, so that's > >

Re: mod-jk (1.2.37) crashes Apache 2 (2.4.7) occasionally with a buffer overflow on Ubuntu 14.04 x64

-BEGIN PGP SIGNED MESSAGE- Hash: SHA256 Michael, On 7/5/16 11:31 AM, Michael Diener wrote: > Alright, I did my homework this time and worked with a self > compiled version of mod_jk (1.2.41). Still the same error is > happening. I traced the buffer overflow down to line 291 in >

Re: mod-jk (1.2.37) crashes Apache 2 (2.4.7) occasionally with a buffer overflow on Ubuntu 14.04 x64

Alright, I did my homework this time and worked with a self compiled version of mod_jk (1.2.41). Still the same error is happening. I traced the buffer overflow down to line 291 in jk_connect.c (nb_connect): 280> do { 281>rc = connect(sd, (const struct sockaddr *)>sa.sin, addr->salen);

Re: mod-jk (1.2.37) crashes Apache 2 (2.4.7) occasionally with a buffer overflow on Ubuntu 14.04 x64

Thank you Rainer! On 29 June 2016 at 14:50, Rainer Jung wrote: > Can you reproduce? Does it also happen on a test system? It only happens on a live system and I'm not able to reproduce it. > Latest we provide in the project is 1.2.41. It is pretty easy to compile >

Re: mod-jk (1.2.37) crashes Apache 2 (2.4.7) occasionally with a buffer overflow on Ubuntu 14.04 x64

Am 29.06.2016 um 11:58 schrieb Michael Diener: I get occasional Apache 2 crashes being caused by mod_jk and I'm running out of ideas about the cause of the problem. I hope somebody here can point me in the right direction. Can you reproduce? Does it also happen on a test system? tomcat6