[exim-dev] [Bug 2886] Crashes in SMTP delivery attempt follo…

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Autor: admin
Data:  
A: exim-dev
Assumpte: [exim-dev] [Bug 2886] Crashes in SMTP delivery attempt following a deferral
https://bugs.exim.org/show_bug.cgi?id=2886

--- Comment #9 from Gedalya <gedalya@???> ---
--- exim4-4.96~RC0.orig/src/arc.c
+++ exim4-4.96~RC0/src/arc.c
@@ -90,7 +90,7 @@ typedef struct arc_ctx {

static time_t now;
static time_t expire;
-static hdr_rlist * headers_rlist;
+static hdr_rlist * headers_rlist = NULL;
static arc_ctx arc_sign_ctx = { NULL };
static arc_ctx arc_verify_ctx = { NULL };


Core was generated by `/usr/sbin/exim4 -q'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00005599b240c993 in arc_sign (signspec=<optimized out>,
sigheaders=0x5599b2fea580, errstr=errstr@entry=0x7ffeafba7af0) at
./b-exim4-daemon-custom/build-Linux-x86_64/arc.c:1663
1663    ./b-exim4-daemon-custom/build-Linux-x86_64/arc.c: No such file or
directory.
(gdb) set pagination off
(gdb) bt full
#0  0x00005599b240c993 in arc_sign (signspec=<optimized out>,
sigheaders=0x5599b2fea580, errstr=errstr@entry=0x7ffeafba7af0) at
./b-exim4-daemon-custom/build-Linux-x86_64/arc.c:1663
        rp = 0x672e6c69616d3d48
        identity = 0x5599b2fea8a8 "****.com"
        selector = 0x5599b2fea8c8 "arc-20220506"
        privkey = 0x5599b2bdc2f8 "-----BEGIN PRIVATE KEY-----\n"...
        opts = 0x5599b2fea92a ""
        s = <optimized out>
        options = <optimized out>
        sep = 58
        headers = <optimized out>
        rheaders = 0x5599b2fea950
        ar = {data = <optimized out>, len = <optimized out>}
        instance = <optimized out>
        g = 0x0
        b = <optimized out>
        __FUNCTION__ = "arc_sign"
        ret_sigheaders = <optimized out>


(gdb) p *rp
Cannot access memory at address 0x672e6c69616d3d48
(gdb) p headers_rlist
$1 = (hdr_rlist *) 0x5599b3177d78

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