[Bug 204426] Processes terminating cannot access memory

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Mon Jan 25 12:00:58 UTC 2016


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=204426

--- Comment #6 from rblayzor at inoc.net ---
GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "amd64-marcel-freebsd"...
Core was generated by `dovecot'.
Program terminated with signal 11, Segmentation fault.
Reading symbols from /usr/local/lib/dovecot/libdovecot.so.0...done.
Loaded symbols for /usr/local/lib/dovecot/libdovecot.so.0
Reading symbols from /lib/libc.so.7...done.
Loaded symbols for /lib/libc.so.7
Reading symbols from /libexec/ld-elf.so.1...done.
Loaded symbols for /libexec/ld-elf.so.1
#0  0x000000000040db76 in service_process_create (service=Cannot access memory
at address 0x7fffffffb0c0
) at service-process.c:313
313     service-process.c: No such file or directory.
        in service-process.c
(gdb) bt full
#0  0x000000000040db76 in service_process_create (service=Cannot access memory
at address 0x7fffffffb0c0
) at service-process.c:313
        uid_counter = 73470
        process = (struct service_process *) Cannot access memory at address
0x7fffffffb0b8
Current language:  auto; currently minimal
(gdb) x/i $rip
0x40db76 <service_process_create+310>:  mov    %eax,0x20(%rcx)
(gdb) info registers
rax            0x11efe  73470
rbx            0x0      0
rcx            0x8014b1040      34381434944
rdx            0x0      0
rsi            0x40d5e0 4249056
rdi            0x0      0
rbp            0x7fffffffb0d0   0x7fffffffb0d0
rsp            0x7fffffffb090   0x7fffffffb090
r8             0x2      2
r9             0x3      3
r10            0x2710   10000
r11            0x202    514
r12            0x7fffffffb328   140737488335656
r13            0x7fffffffb350   140737488335696
r14            0x7fffffffb330   140737488335664
r15            0x3      3
rip            0x40db76 0x40db76 <service_process_create+310>
eflags         0x10202  66050
cs             0x43     67
ss             0x3b     59
ds             0x0      0
es             0x0      0
fs             0x0      0
gs             0x0      0
(gdb)

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