#0  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
        set = {__val = {0, 139838393825344, 139838390057684, 226670640, 140720725487200, 139835545223171, 140720725487184, 139838390088376, 0, 3805341024256, 139838335791488, 37, 1978972555, 226670640, 139838395451504, 140720725487352}}
        pid = <optimized out>
        tid = <optimized out>
        ret = <optimized out>
#1  0x00007f2ea992c535 in __GI_abort () at abort.c:79
        save_stage = 1
        act = {__sigaction_handler = {sa_handler = 0x555e76fa83e0, sa_sigaction = 0x555e76fa83e0}, sa_mask = {__val = {93864211416144, 93864197664060, 13984943375087777792, 1, 140720725487440, 93864197664111, 93864197664060, 428, 93864216124128, 139838335772864, 93864193754405, 93864216141632, 50, 50, 93864211416032, 93864197664111}}, sa_flags = 2081372160, sa_restorer = 0x1ac}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x0000555e75e2f531 in ?? ()
No symbol table info available.
#3  0x0000555e760a521a in ?? ()
No symbol table info available.
#4  0x0000555e760add82 in comm_openex(int, int, Ip::Address&, int, char const*) ()
No symbol table info available.
#5  0x0000555e75f5c35f in ipcCreate(int, char const*, char const* const*, char const*, Ip::Address&, int*, int*, void**) ()
No symbol table info available.
#6  0x0000555e7616f4d0 in IcmpSquid::Open() ()
No symbol table info available.
#7  0x0000555e75f65844 in SignalEngine::checkEvents(int) ()
No symbol table info available.
#8  0x0000555e75efb072 in EventLoop::checkEngine(AsyncEngine*, bool) ()
No symbol table info available.
#9  0x0000555e75efb23a in EventLoop::runOnce() ()
No symbol table info available.
#10 0x0000555e75efb378 in EventLoop::run() ()
No symbol table info available.
#11 0x0000555e75f63dc9 in SquidMain(int, char**) ()
No symbol table info available.
#12 0x0000555e75e54c01 in main ()
No symbol table info available.