On Tue, Aug 27, 2019 at 09:02:31AM -0700, John Baldwin wrote: > On 8/27/19 7:39 AM, Peter Holm wrote: > > On Tue, Aug 27, 2019 at 12:01:57AM +0000, John Baldwin wrote: > >> Author: jhb > >> Date: Tue Aug 27 00:01:56 2019 > >> New Revision: 351522 > >> URL: https://svnweb.freebsd.org/changeset/base/351522 > >> > >> Log: > >> Add kernel-side support for in-kernel TLS. > >> > > > > Could this be yours? > > > > 20190827 15:55:34 all (496/668): sendfile12.sh > > Aug 27 15:56:16 mercat1 kernel: pid 50036 (swap), jid 0, uid 0, was killed: > > out of swap space > > panic: non-ext_pgs mbuf with TLS session > > Possibly, though if sfio was freed and marked with 0xdeadc0de junk, then it > would trip over this assertion for any use-after-free. I see in gdb that you > couldn't see sfio because of clang's poor debug info. It would be really good > to try to find the contents of sfio to debug this further. > > You should be able to find it via 'bp->b_caller1' in frame 14: > > 'p *(struct sf_io *)bp->b_caller1' >
Here's a repeat where the involved files are compiled with "-O0": https://people.freebsd.org/~pho/stress/log/jhb009.txt Let me know if you need the kernel + core. - Peter _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"