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Groups > linux.debian.bugs.dist > #1102816 > unrolled thread
| Started by | Gedalya <gedalya@gedalya.net> |
|---|---|
| First post | 2022-05-11 17:20 +0200 |
| Last post | 2022-05-16 07:20 +0200 |
| Articles | 2 — 2 participants |
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Bug#1004740: exim4: SIGSEGV (maybe attempt to write to immutable memory) when sending a mail; message frozen Gedalya <gedalya@gedalya.net> - 2022-05-11 17:20 +0200
Bug#1004740: exim4: SIGSEGV (maybe attempt to write to immutable memory) when sending a mail; message frozen Matt Corallo <rpbdbrciwe@mattcorallo.com> - 2022-05-16 07:20 +0200
| From | Gedalya <gedalya@gedalya.net> |
|---|---|
| Date | 2022-05-11 17:20 +0200 |
| Subject | Bug#1004740: exim4: SIGSEGV (maybe attempt to write to immutable memory) when sending a mail; message frozen |
| Message-ID | <ElWi6-eMGS-1@gated-at.bofh.it> |
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On 5/10/22 21:30, Gedalya wrote: > I forgot to mention: google seems to be closing the connection immediately after the deferral, causing the logged TLS error lines, and this seems to be a necessary component for this issue No. That's incorrect. I've reproduced this with plain Debian-built exim4-daemon-light 4.95-5 and 4.96~RC0-1, with the remote setup being my two MX servers running exim with a simple "defer" acl verb, not closing the connection. The behavior seems quite similar with both exim versions. See attachments. I'm a little dazzled by the variety of crashes I've seen so far: smtp_setup_conn > tls_client_start > verify_certificate, and during ARC signing, but it could be just noise so I'll leave it alone for now.
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| From | Matt Corallo <rpbdbrciwe@mattcorallo.com> |
|---|---|
| Date | 2022-05-16 07:20 +0200 |
| Message-ID | <EnBjb-fMIA-1@gated-at.bofh.it> |
| In reply to | #1102816 |
On 5/11/22 8:09 AM, Gedalya wrote: > I'm a little dazzled by the variety of crashes I've seen so far: smtp_setup_conn > tls_client_start > verify_certificate, and during ARC signing, but it could be just noise so I'll leave it alone for now. As a passer-by might I suggest valgrind or building with address/undefined-behavior sanitizer? I don't see any mention of it in this issue, and "it keeps crashing in random places that may or may not be related" screams "memory corruption". Matt
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