[Bug 204426] Processes terminating cannot access memory
bugzilla-noreply at freebsd.org
bugzilla-noreply at freebsd.org
Sat Mar 5 12:22:40 UTC 2016
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=204426
--- Comment #58 from Robert Blayzor <rblayzor at inoc.net> ---
After both patches...
pid 716 (dovecot), uid 0: exited on signal 11 (core dumped)
(gdb) bt full
#0 memcpy () at bcopy.S:65
No locals.
#1 0x0000000800915484 in sig_handler (signo=20, si=0x7fffffffa9a0,
context=0x7fffffffa630)
at lib-signals.c:132
h = (struct signal_handler *) 0x8014198e0
saved_errno = 14
c = 0 '\0'
tmp_si = {si_signo = 0, si_errno = 0, si_code = 0, si_pid = 0, si_uid =
0, si_status = 0,
si_addr = 0x0, si_value = {sival_int = 0, sival_ptr = 0x0, sigval_int = 0,
sigval_ptr = 0x0},
_reason = {_fault = {_trapno = 0}, _timer = {_timerid = 0, _overrun = 0},
_mesgq = {_mqd = 0},
_poll = {_band = 0}, __spare__ = {__spare1__ = 0, __spare2__ =
0x7fffffffa5c8}}}
#2 <signal handler called>
No symbol table info available.
#3 0x0000000000411fc8 in _fini ()
No symbol table info available.
#4 0x000000080061c9a8 in objlist_call_fini ()
at /.amd_mnt/juno/pub/FreeBSD/10-STABLE/libexec/rtld-elf/rtld.c:2354
list = (Objlist *) Cannot access memory at address 0x0
Current language: auto; currently asm
(gdb) q
dev at mta1 [/var/spool/tmp] sudo procstat -v /var/spool/tmp/dovecot.core
PID START END PRT RES PRES REF SHD FL TP PATH
716 0x400000 0x417000 r-x 20 20 1 0 CN-- vn
716 0x617000 0x618000 rw- 1 1 1 0 C--- df
716 0x800617000 0x800635000 r-x 30 30 32 0 CN-- vn
/libexec/ld-elf.so.1
716 0x800635000 0x800663000 rw- 36 36 1 0 C--- df
716 0x800834000 0x800836000 rw- 2 2 1 0 C--- df
716 0x800836000 0x800983000 r-x 225 231 34 17 CN-- vn
/usr/local/lib/dovecot/libdovecot.so.0.0.0
716 0x800983000 0x800b82000 --- 0 0 1 0 CN-- df
716 0x800b82000 0x800b89000 rw- 7 0 1 0 C--- vn
/usr/local/lib/dovecot/libdovecot.so.0.0.0
716 0x800b89000 0x800b8b000 rw- 2 0 1 0 C--- df
716 0x800b8b000 0x800d03000 r-x 376 387 63 31 CN-- vn
/lib/libc.so.7
716 0x800d03000 0x800f02000 --- 0 0 1 0 CN-- df
716 0x800f02000 0x800f0e000 rw- 12 0 1 0 C--- vn
/lib/libc.so.7
716 0x800f0e000 0x800f38000 rw- 15 15 1 0 C--- df
716 0x801000000 0x801800000 rw- 94 94 1 0 C--- df
716 0x7ffffffdf000 0x7ffffffff000 rw- 8 8 1 0 C--D df
716 0x7ffffffff000 0x800000000000 r-x 1 1 34 0 ---- ph
(gdb) bt full
#0 memcpy () at bcopy.S:65
No locals.
#1 0x0000000800915484 in sig_handler (signo=20, si=0x7fffffffa9a0,
context=0x7fffffffa630)
at lib-signals.c:132
h = (struct signal_handler *) 0x8014198e0
saved_errno = 14
c = 0 '\0'
tmp_si = {si_signo = 0, si_errno = 0, si_code = 0, si_pid = 0, si_uid =
0, si_status = 0,
si_addr = 0x0, si_value = {sival_int = 0, sival_ptr = 0x0, sigval_int = 0,
sigval_ptr = 0x0},
_reason = {_fault = {_trapno = 0}, _timer = {_timerid = 0, _overrun = 0},
_mesgq = {_mqd = 0},
_poll = {_band = 0}, __spare__ = {__spare1__ = 0, __spare2__ =
0x7fffffffa5c8}}}
#2 <signal handler called>
No symbol table info available.
#3 0x0000000000411fc8 in _fini ()
No symbol table info available.
#4 0x000000080061c9a8 in objlist_call_fini ()
at /.amd_mnt/juno/pub/FreeBSD/10-STABLE/libexec/rtld-elf/rtld.c:2354
list = (Objlist *) Cannot access memory at address 0x0
Current language: auto; currently asm
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