[Bug 204426] Processes terminating cannot access memory
[email protected] Mon, 18 Apr 2016 15:44:11 +0000
Newsgroups
gmane.os.freebsd.devel.threading
Message-ID
<[email protected] /bugzilla/>
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=204426
--- Comment #91 from Robert Blayzor <[email protected] > ---
dmesg:
14157 vm_fault OBJ_DEAD 0xfffff8004d9b74c8
pid 14157 kpf 2
pid 14157 comm exim: signal 11 err 7 code 2 type 12 addr 0x764b34 rsp
0x7fffffffc830 rip 0x428c9e <89 04 25 34 4b 76 00 c7>
pid 14157 (exim), uid 26: exited on signal 11 (core dumped)
procstat -v exim.core
PID START END PRT RES PRES REF SHD FL TP PATH
14157 0x400000 0x560000 r-x 316 327 3 1 CN-- vn
/usr/local/sbin/exim
14157 0x760000 0x76a000 rw- 10 0 1 0 C--- vn
/usr/local/sbin/exim
14157 0x76a000 0x779000 rw- 5 0 1 0 C--- df
14157 0x800760000 0x80077e000 r-x 30 30 32 0 CN-- vn
/libexec/ld-elf.so.1
14157 0x80077e000 0x800785000 rw- 7 7 2 0 CN-- df
14157 0x800787000 0x8007b7000 rw- 40 40 2 1 CN-- df
14157 0x80097d000 0x80097f000 rw- 2 2 2 0 CN-- df
14157 0x80097f000 0x80098d000 r-x 14 15 12 3 CN-- vn
14157 0x80098d000 0x800b8d000 --- 0 0 2 0 CN-- df
14157 0x800b8d000 0x800b8e000 rw- 1 0 2 0 CN-- vn
14157 0x800b8e000 0x800b9f000 rw- 0 0 0 0 ---- --
14157 0x800b9f000 0x800bc8000 r-x 41 41 19 6 CN-- vn
14157 0x800bc8000 0x800dc7000 --- 0 0 2 0 CN-- df
14157 0x800dc7000 0x800dc8000 rw- 1 0 2 0 CN-- vn
14157 0x800dc8000 0x800dd8000 r-x 16 17 26 10 CN-- vn
14157 0x800dd8000 0x800fd8000 --- 0 0 2 0 CN-- df
14157 0x800fd8000 0x800fd9000 rw- 1 0 2 0 CN-- vn
14157 0x800fd9000 0x800fdb000 rw- 0 0 0 0 ---- --
14157 0x800fdb000 0x800ff3000 r-x 24 26 3 1 CN-- vn
14157 0x800ff3000 0x8011f3000 --- 0 0 2 0 CN-- df
14157 0x8011f3000 0x8011f5000 rw- 2 0 2 0 CN-- vn
14157 0x8011f5000 0x80120d000 r-x 24 25 24 8 CN-- vn
/lib/libthr.so.3
14157 0x80120d000 0x80140d000 --- 0 0 2 0 CN-- df
14157 0x80140d000 0x80140e000 rw- 1 0 1 0 C--- vn
/lib/libthr.so.3
14157 0x80140e000 0x80141a000 rw- 12 0 1 0 C--- df
14157 0x80141a000 0x801445000 r-x 38 41 3 1 CN-- vn
14157 0x801445000 0x801645000 --- 0 0 2 0 CN-- df
14157 0x801645000 0x801648000 rw- 3 0 2 0 CN-- vn
14157 0x801648000 0x80181d000 r-x 424 432 10 2 CN-- vn
14157 0x80181d000 0x801a1c000 --- 0 0 2 0 CN-- df
14157 0x801a1c000 0x801a25000 rw- 9 0 2 0 CN-- vn
14157 0x801a25000 0x801a88000 r-x 84 94 9 4 CN-- vn
/usr/lib/libssl.so.7
14157 0x801a88000 0x801c88000 --- 0 0 2 0 CN-- df
14157 0x801c88000 0x801c92000 rw- 10 0 2 0 CN-- vn
/usr/lib/libssl.so.7
14157 0x801c92000 0x801e5f000 r-x 461 501 13 6 CN-- vn
/lib/libcrypto.so.7
14157 0x801e5f000 0x80205f000 --- 0 0 2 0 CN-- df
14157 0x80205f000 0x802087000 rw- 40 0 2 0 CN-- vn
/lib/libcrypto.so.7
14157 0x802087000 0x802089000 rw- 1 1 2 0 CN-- df
14157 0x802089000 0x8020fe000 r-x 45 45 8 3 CN-- vn
14157 0x8020fe000 0x8022fd000 --- 0 0 2 0 CN-- df
14157 0x8022fd000 0x8022fe000 rw- 1 0 2 0 CN-- vn
14157 0x8022fe000 0x802476000 r-x 376 387 56 24 CN-- vn
/lib/libc.so.7
14157 0x802476000 0x802675000 --- 0 0 2 0 CN-- df
14157 0x802675000 0x802681000 rw- 12 0 1 0 C--- vn
/lib/libc.so.7
14157 0x802681000 0x8026ab000 rw- 11 0 1 0 C--- df
14157 0x8026ab000 0x8026b5000 r-x 10 11 8 3 CN-- vn
/usr/local/lib/libintl.so.8.1.4
14157 0x8026b5000 0x8028b5000 --- 0 0 2 0 CN-- df
14157 0x8028b5000 0x8028b6000 rw- 1 0 2 0 CN-- vn
/usr/local/lib/libintl.so.8.1.4
14157 0x802c00000 0x803400000 rw- 222 0 1 0 C--- df
14157 0x7fffdfffe000 0x7fffdffff000 --- 0 0 0 0 ---- --
14157 0x7ffffffdf000 0x7ffffffff000 rw- 10 0 1 0 C--D df
14157 0x7ffffffff000 0x800000000000 r-x 1 1 34 0 ---- ph
(gdb) bt full
#0 handle_smtp_call (listen_sockets=0x8030650b8, listen_socket_count=2,
accept_socket=5, accepted=0x7fffffffcd38) at daemon.c:375
i = 32767
queue_only_reason = 0
old_pool = 0
save_debug_selector = 0
local_queue_only = 32767
session_local_queue_only = -4800
act = {__sigaction_u = {__sa_handler = 0, __sa_sigaction = 0}, sa_flags
= 0, sa_mask = {__bits = 0x7fffffffc91c}}
pid = 0
interface_sockaddr = {v4 = {sin_len = 28 '\034', sin_family = 28
'\034', sin_port = 6400, sin_addr = {s_addr = 0},
sin_zero = 0x7fffffffc9a0 "&\aðX\001\020"}, v6 = {sin6_len = 28 '\034',
sin6_family = 28 '\034', sin6_port = 6400, sin6_flowinfo = 0, sin6_addr =
{__u6_addr = {
__u6_addr8 = 0x7fffffffc9a0 "&\aðX\001\020", __u6_addr16 =
0x7fffffffc9a0, __u6_addr32 = 0x7fffffffc9a0}}, sin6_scope_id = 0}, v0 =
{sa_len = 28 '\034',
sa_family = 28 '\034', sa_data = 0x7fffffffc99a ""}}
ifsize = 28
dup_accept_socket = 7
max_for_this_host = 10
wfsize = 100
wfptr = 22
use_log_write_selector = 1980
whofrom = (uschar *) 0x80308a060 "[2607:f058:110:1::f:0]"
reset_point = (void *) 0x80308a030
#1 0x0000000000427c55 in daemon_go () at daemon.c:2040
accept_socket = 5
sk = 0
max_socket = 4
lcount = 0
select_errno = 4
select_failed = 0
select_listen = {__fds_bits = 0x7fffffffcc40}
accepted = {sin6_len = 28 '\034', sin6_family = 28 '\034', sin6_port =
37545, sin6_flowinfo = 0, sin6_addr = {__u6_addr = {
__u6_addr8 = 0x7fffffffcd40 "&\aðX\001\020", __u6_addr16 =
0x7fffffffcd40, __u6_addr32 = 0x7fffffffcd40}}, sin6_scope_id = 0}
len = 28
pid = 14053
pw = (struct passwd *) 0x802698328
listen_sockets = (int *) 0x8030650b8
listen_socket_count = 2
addresses = (ip_address_item *) 0x803065038
last_connection_time = 1460982877
#2 0x000000000044af25 in main (argc=3, cargv=0x7fffffffed48) at exim.c:4719
rsopts = 0x761b00
argv = (uschar **) 0x7fffffffed48
arg_receive_timeout = -1
arg_smtp_receive_timeout = -1
arg_error_handling = 0
filter_sfd = -1
filter_ufd = -1
group_count = 2
---Type <return> to continue, or q <return> to quit---
i = 0
rv = 0
list_queue_option = 0
msg_action = 0
msg_action_arg = -1
namelen = 20
queue_only_reason = 0
perl_start_option = 0
recipients_arg = 3
sender_address_domain = 0
test_retry_arg = -1
test_rewrite_arg = -1
arg_queue_only = 0
bi_option = 0
checking = 0
count_queue = 0
expansion_test = 0
extract_recipients = 0
flag_G = 0
flag_n = 0
forced_delivery = 0
f_end_dot = 0
deliver_give_up = 0
list_queue = 0
list_options = 0
local_queue_only = 7868416
more = 1
one_msg_action = 0
queue_only_set = 0
receiving_message = 0
sender_ident_set = 0
session_local_queue_only = -5288
unprivileged = 0
removed_privilege = 0
usage_wanted = 0
verify_address_mode = 0
verify_as_sender = 0
version_printed = 0
alias_arg = (uschar *) 0x0
called_as = (uschar *) 0x554616 ""
cmdline_syslog_name = (uschar *) 0x0
start_queue_run_id = (uschar *) 0x0
stop_queue_run_id = (uschar *) 0x0
expansion_test_message = (uschar *) 0x0
ftest_domain = (uschar *) 0x0
ftest_localpart = (uschar *) 0x0
ftest_prefix = (uschar *) 0x0
---Type <return> to continue, or q <return> to quit---
ftest_suffix = (uschar *) 0x0
log_oneline = (uschar *) 0x0
malware_test_file = (uschar *) 0x0
real_sender_address = (uschar *) 0x7fffffffeb58 " \005v"
originator_home = (uschar *) 0x803065018 "/root"
sz = 140737488350168
reset_point = (void *) 0x80231a310
pw = (struct passwd *) 0x802698328
statbuf = {st_dev = 1895890688, st_ino = 66, st_mode = 8592, st_nlink =
1, st_uid = 1001, st_gid = 4, st_rdev = 66, st_atim = {tv_sec = 1460632918,
tv_nsec = 0}, st_mtim = {tv_sec = 1460632918, tv_nsec = 0}, st_ctim =
{tv_sec = 1460632918, tv_nsec = 0}, st_size = 0, st_blocks = 0, st_blksize =
4096,
st_flags = 0, st_gen = 0, st_lspare = 0, st_birthtim = {tv_sec = -1, tv_nsec
= 0}}
passed_qr_pid = 0
passed_qr_pipe = -1
group_list = 0x7fffffffd8f0
info_flag = CMDINFO_NONE
info_stdout = 0
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