[Bug 204426] Processes terminating cannot access memory

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Sun Feb 21 21:36:43 UTC 2016


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

--- Comment #45 from Robert Blayzor <rblayzor at inoc.net> ---
#0  0x000000080120716f in __thr_fork ()
    at /.amd_mnt/juno/pub/FreeBSD/10-STABLE/lib/libthr/thread/thr_fork.c:257
257     /.amd_mnt/juno/pub/FreeBSD/10-STABLE/lib/libthr/thread/thr_fork.c: No
such file or directory.
        in /.amd_mnt/juno/pub/FreeBSD/10-STABLE/lib/libthr/thread/thr_fork.c
Cannot find new threads: generic error
(gdb) bt full
#0  0x000000080120716f in __thr_fork ()
    at /.amd_mnt/juno/pub/FreeBSD/10-STABLE/lib/libthr/thread/thr_fork.c:257
        rtld_locks = Cannot access memory at address 0x7fffffffc7d0
Current language:  auto; currently minimal
(gdb) x/i $rip
0x80120716f <__thr_fork+751>:   mov    %ecx,(%rax)
(gdb) info registers
rax            0x8026a9358      34400277336
rbx            0x0      0
rcx            0x4      4
rdx            0x1      1
rsi            0x8030064e8      34410095848
rdi            0x3      3
rbp            0x7fffffffc820   0x7fffffffc820
rsp            0x7fffffffc7c0   0x7fffffffc7c0
r8             0x0      0
r9             0xfffff800484e49e0       -8794879931936
r10            0x1      1
r11            0x246    582
r12            0x803006400      34410095616
r13            0x76b5b0 7779760
r14            0x6f3f   28479
r15            0x0      0
rip            0x80120716f      0x80120716f <__thr_fork+751>
eflags         0x10202  66050
cs             0x43     67
ss             0x3b     59
ds             0x0      0
es             0x0      0
fs             0x0      0
gs             0x0      0
(gdb)


procstat -v exim.core
  PID              START                END PRT  RES PRES REF SHD   FL TP PATH
99063           0x400000           0x560000 r-x  313  626   2   1 CN-- vn
/usr/local/sbin/exim
99063           0x760000           0x76a000 rw-   10    0   1   0 CN-- vn
/usr/local/sbin/exim
99063           0x76a000           0x779000 rw-    5    5   1   0 CN-- df
99063        0x800760000        0x80077e000 r-x   30   32  31   0 CN-- vn
/libexec/ld-elf.so.1
99063        0x80077e000        0x800785000 rw-    7    7   1   0 CN-- df
99063        0x800787000        0x8007b7000 rw-   40   40   1   0 CN-- df
99063        0x80097d000        0x80097f000 rw-    2    2   1   0 CN-- df
99063        0x80097f000        0x80098d000 r-x   14   16  11   3 CN-- vn
99063        0x80098d000        0x800b8d000 ---    0    0   1   0 CN-- df
99063        0x800b8d000        0x800b8e000 rw-    1    0   1   0 CN-- vn
99063        0x800b8e000        0x800b9f000 rw-    0    0   0   0 ---- --
99063        0x800b9f000        0x800bc8000 r-x   41   46  18   6 CN-- vn
99063        0x800bc8000        0x800dc7000 ---    0    0   1   0 CN-- df
99063        0x800dc7000        0x800dc8000 rw-    1    0   1   0 CN-- vn
99063        0x800dc8000        0x800dd8000 r-x   16   18  25  10 CN-- vn
99063        0x800dd8000        0x800fd8000 ---    0    0   1   0 CN-- df
99063        0x800fd8000        0x800fd9000 rw-    1    0   1   0 CN-- vn
99063        0x800fd9000        0x800fdb000 rw-    0    0   0   0 ---- --
99063        0x800fdb000        0x800ff3000 r-x   24   27   2   1 CN-- vn
99063        0x800ff3000        0x8011f3000 ---    0    0   1   0 CN-- df
99063        0x8011f3000        0x8011f5000 rw-    2    0   1   0 CN-- vn
99063        0x8011f5000        0x80120d000 r-x   24   26  23   8 CN-- vn
/lib/libthr.so.3
99063        0x80120d000        0x80140d000 ---    0    0   1   0 CN-- df
99063        0x80140d000        0x80140e000 rw-    1    0   1   0 CN-- vn
/lib/libthr.so.3
99063        0x80140e000        0x80141a000 rw-   12   12   1   0 C--- df
99063        0x80141a000        0x801445000 r-x   39   43   2   1 CN-- vn
99063        0x801445000        0x801645000 ---    0    0   1   0 CN-- df
99063        0x801645000        0x801648000 rw-    3    0   1   0 CN-- vn
99063        0x801648000        0x80181d000 r-x  429  438   9   2 CN-- vn
/usr/local/lib/perl5/5.22/mach/CORE/libperl.so.5.22.1
99063        0x80181d000        0x801a1c000 ---    0    0   1   0 CN-- df
99063        0x801a1c000        0x801a25000 rw-    9    0   1   0 CN-- vn
/usr/local/lib/perl5/5.22/mach/CORE/libperl.so.5.22.1
99063        0x801a25000        0x801a88000 r-x   81   92   8   4 CN-- vn
/usr/lib/libssl.so.7
99063        0x801a88000        0x801c88000 ---    0    0   1   0 CN-- df
99063        0x801c88000        0x801c92000 rw-   10    0   1   0 CN-- vn
/usr/lib/libssl.so.7
99063        0x801c92000        0x801e5f000 r-x  461  501  12   6 CN-- vn
/lib/libcrypto.so.7
99063        0x801e5f000        0x80205f000 ---    0    0   1   0 CN-- df
99063        0x80205f000        0x802087000 rw-   40    0   1   0 CN-- vn
/lib/libcrypto.so.7
99063        0x802087000        0x802089000 rw-    1    1   1   0 CN-- df
99063        0x802089000        0x8020fe000 r-x   43   44   7   3 CN-- vn
99063        0x8020fe000        0x8022fd000 ---    0    0   1   0 CN-- df
99063        0x8022fd000        0x8022fe000 rw-    1    0   1   0 CN-- vn
99063        0x8022fe000        0x802476000 r-x  376  390  55  24 CN-- vn
/lib/libc.so.7
99063        0x802476000        0x802675000 ---    0    0   1   0 CN-- df
99063        0x802675000        0x802681000 rw-   12    0   1   0 CN-- vn
/lib/libc.so.7
99063        0x802681000        0x8026ab000 rw-   11    0   1   0 C--- df
99063        0x8026ab000        0x8026b5000 r-x   10   14   7   3 CN-- vn
/usr/local/lib/libintl.so.8.1.4
99063        0x8026b5000        0x8028b5000 ---    0    0   1   0 CN-- df
99063        0x8028b5000        0x8028b6000 rw-    1    0   1   0 CN-- vn
/usr/local/lib/libintl.so.8.1.4
99063        0x802c00000        0x803400000 rw-  222  222   1   0 C--- df
99063     0x7fffdfffe000     0x7fffdffff000 ---    0    0   0   0 ---- --
99063     0x7ffffffdf000     0x7ffffffff000 rw-   10   10   1   0 C--D df
99063     0x7ffffffff000     0x800000000000 r-x    1    1  33   0 ---- ph

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