Re: procfs crashing on shudown/reboot
On Fri, Apr 16, 2021 at 01:50:49PM +0200, Samuel Thibault wrote:
> That will build a procfs.static that you can settrans -a by hand.
Had to use settrans -fga to displace the original running translator.
Below is the backtrace of the core file.
Regards,
João
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Reading symbols from procfs.static...
warning: core file may not match specified executable file.
[New process 689]
[New process 1]
[New process 2]
[New process 3]
warning: Unexpected size of section `.reg2/689' in core file.
Core was generated by `/root/procfs.static --compatible'.
Program terminated with signal SIGABRT, Aborted.
warning: Unexpected size of section `.reg2/689' in core file.
#0 0x080b91ec in mach_msg_trap ()
[Current thread is 1 (process 689)]
Thread 4 (process 3):
warning: Unexpected size of section `.reg2/3' in core file.
#0 0x080b91ec in mach_msg_trap ()
No symbol table info available.
#1 0x08071046 in mach_msg ()
No symbol table info available.
#2 0x08071399 in mach_msg_server_timeout ()
No symbol table info available.
#3 0x08068592 in thread_function (arg=0x0) at ../../libports/manage-multithread.c:259
thread = {color = 1}
master = <optimized out>
timeout = 120000
err = <optimized out>
startover = <optimized out>
#4 0x0806c69f in entry_point (self=<optimized out>, start_routine=<optimized out>, arg=<optimized out>) at pt-create.c:62
No locals.
#5 0x00000000 in ?? ()
No symbol table info available.
Thread 3 (process 2):
warning: Unexpected size of section `.reg2/2' in core file.
#0 0x080b91ec in mach_msg_trap ()
No symbol table info available.
#1 0x08071046 in mach_msg ()
No symbol table info available.
#2 0x08118a2c in msg_sig_post ()
No symbol table info available.
#3 0x080d495c in kill_pid ()
No symbol table info available.
#4 0x080d4c86 in kill ()
No symbol table info available.
#5 0x080d3fda in raise ()
No symbol table info available.
#6 0x080482c8 in abort ()
No symbol table info available.
#7 0x08048170 in __assert_fail_base_backtrace (fmt=0x81301a0 "%s: %s:%u: %s: Assertion '%s' failed.\n", assertion=0x812f290 "! (r.hard == 1 && r.weak == 0) || !\"refcount detected use-after-free!\"", file=0x812f22c "../../libshouldbeinlibc/refcount.h", line=170, function=0x812f3a8 <__PRETTY_FUNCTION__.3> "refcounts_ref") at ../../libshouldbeinlibc/assert-backtrace.c:57
size = 128
skip = 2
nptrs = 16
buffer = 0x2811990
#8 0x0806c53d in __assert_fail_backtrace (assertion=0x812f290 "! (r.hard == 1 && r.weak == 0) || !\"refcount detected use-after-free!\"", file=0x812f22c "../../libshouldbeinlibc/refcount.h", line=170, function=0x812f3a8 <__PRETTY_FUNCTION__.3> "refcounts_ref") at ../../libshouldbeinlibc/assert-backtrace.c:64
No locals.
#9 0x0804e69e in refcounts_ref (result=0x0, ref=0x10002c70) at ../../libshouldbeinlibc/refcount.h:170
r = {hard = <optimized out>, weak = <optimized out>}
r = {hard = <optimized out>, weak = <optimized out>}
__PRETTY_FUNCTION__ = "refcounts_ref"
#10 netfs_nref (np=0x10002bc0) at ../../libnetfs/nref.c:26
No locals.
#11 0x0804b514 in rootdir_make_translated_node (dir_hook=0x100016d0, entry_hook=0x8190180 <__compound_literal.8>) at ../../procfs/rootdir.c:674
ops = 0x8190180 <__compound_literal.8>
np = 0x10002bc0
prev = <optimized out>
#12 0x08049803 in procfs_dir_lookup (hook=0x10001950, name=0x2811efc "mounts", np=0x2811d98) at ../../procfs/procfs_dir.c:88
dir = 0x10001950
ent = 0x812eb40 <rootdir_entries+128>
#13 0x08048f30 in procfs_lookup (np=0x10001980, name=0x2811efc "mounts", npp=0x2811d98) at ../../procfs/procfs.c:185
err = <optimized out>
#14 0x0804b605 in dircat_lookup (hook=0x10001a90, name=0x2811efc "mounts", np=0x2811d98) at ../../procfs/dircat.c:76
dcn = 0x10001a90
err = <optimized out>
i = 1
#15 0x08048f30 in procfs_lookup (np=0x10001ac0, name=0x2811efc "mounts", npp=0x2811d98) at ../../procfs/procfs.c:185
err = <optimized out>
#16 0x0804948f in netfs_attempt_lookup (user=0x102170, dir=0x10001ac0, name=0x2811efc "mounts", np=0x2811d98) at ../../procfs/netfs.c:212
err = <optimized out>
#17 0x0805906a in netfs_S_dir_lookup (dircred=<optimized out>, filename=0x2811efc "mounts", flags=<optimized out>, mode=<optimized out>, do_retry=<optimized out>, retry_name=<optimized out>, retry_port=<optimized out>, retry_port_type=<optimized out>) at ../../libnetfs/dir-lookup.c:175
create = <optimized out>
excl = <optimized out>
mustbedir = <optimized out>
lastcomp = <optimized out>
newnode = <optimized out>
nsymlinks = <optimized out>
dnp = 0x10001ac0
np = 0x0
nextname = <optimized out>
relpath = <optimized out>
err = <optimized out>
newpi = <optimized out>
user = 0x8055638 <_Xfsys_getroot+456>
filename_start = <optimized out>
__PRETTY_FUNCTION__ = "netfs_S_dir_lookup"
rendezvous = <optimized out>
lock = {l_type = 2, l_whence = 0, l_start = 1152952085042437076, l_len = 4336992028, l_pid = 42024748}
#18 0x08052265 in _Xdir_lookup (InHeadP=0x2811ee0, OutHeadP=0x2813ef0) at fsServer.c:1840
In0P = 0x2811ee0
OutP = 0x2813ef0
msgh_simple = <optimized out>
file_nameCheck = {msgt_name = 12, msgt_size = 8, msgt_number = 1024, msgt_inline = 1, msgt_longform = 0, msgt_deallocate = 0, msgt_unused = 0}
flagsCheck = {msgt_name = 2, msgt_size = 32, msgt_number = 1, msgt_inline = 1, msgt_longform = 0, msgt_deallocate = 0, msgt_unused = 0}
modeCheck = {msgt_name = 2, msgt_size = 32, msgt_number = 1, msgt_inline = 1, msgt_longform = 0, msgt_deallocate = 0, msgt_unused = 0}
do_retryType = {msgt_name = <optimized out>, msgt_size = <optimized out>, msgt_number = <optimized out>, msgt_inline = <optimized out>, msgt_longform = <optimized out>, msgt_deallocate = <optimized out>, msgt_unused = <optimized out>}
retry_nameType = {msgt_name = <optimized out>, msgt_size = <optimized out>, msgt_number = <optimized out>, msgt_inline = <optimized out>, msgt_longform = <optimized out>, msgt_deallocate = <optimized out>, msgt_unused = <optimized out>}
resultType = {msgt_name = <optimized out>, msgt_size = <optimized out>, msgt_number = <optimized out>, msgt_inline = <optimized out>, msgt_longform = <optimized out>, msgt_deallocate = <optimized out>, msgt_unused = <optimized out>}
start_dir = 0x102230
resultPoly = 20
#19 0x0804eb3a in netfs_demuxer (inp=0x2811ee0, outp=0x2813ef0) at ../../libnetfs/demuxer.c:44
routine = <optimized out>
#20 0x08068458 in internal_demuxer (outheadp=0x2813ef0, inp=0x2811ee0) at ../../libports/manage-multithread.c:212
cancel_threshold = <optimized out>
err = <optimized out>
status = <optimized out>
pi = 0x102230
link = {thread = 26, next = 0x0, prevp = 0x10224c, notifies = 0x0, interrupted_next = 0x8071019 <mach_msg+9>}
outp = 0x2813ef0
status = <optimized out>
pi = <optimized out>
link = {thread = <optimized out>, next = <optimized out>, prevp = <optimized out>, notifies = <optimized out>, interrupted_next = <optimized out>}
outp = <optimized out>
RetCodeType = {msgt_name = <optimized out>, msgt_size = <optimized out>, msgt_number = <optimized out>, msgt_inline = <optimized out>, msgt_longform = <optimized out>, msgt_deallocate = <optimized out>, msgt_unused = <optimized out>}
pthread_id = <optimized out>
err = <optimized out>
err = <optimized out>
cancel_threshold = <optimized out>
#21 synchronized_demuxer (inp=0x2811ee0, outheadp=0x2813ef0) at ../../libports/manage-multithread.c:239
r = <optimized out>
#22 0x080713b0 in mach_msg_server_timeout ()
No symbol table info available.
#23 0x08068592 in thread_function (arg=0x0) at ../../libports/manage-multithread.c:259
thread = {color = 1}
master = <optimized out>
timeout = 120000
err = <optimized out>
startover = <optimized out>
#24 0x0806c69f in entry_point (self=<optimized out>, start_routine=<optimized out>, arg=<optimized out>) at pt-create.c:62
No locals.
#25 0x00000000 in ?? ()
No symbol table info available.
Thread 2 (process 1):
warning: Unexpected size of section `.reg2/1' in core file.
#0 0x080b91ec in mach_msg_trap ()
No symbol table info available.
#1 0x08071046 in mach_msg ()
No symbol table info available.
#2 0x0811a92e in crash_dump_task ()
No symbol table info available.
#3 0x080788c8 in post_signal ()
No symbol table info available.
#4 0x08079395 in _hurd_internal_post_signal ()
No symbol table info available.
#5 0x08079635 in _S_msg_sig_post ()
No symbol table info available.
#6 0x081205b5 in _Xmsg_sig_post ()
No symbol table info available.
#7 0x08120927 in _S_msg_server ()
No symbol table info available.
#8 0x080bc155 in msgport_server ()
No symbol table info available.
#9 0x080713b0 in mach_msg_server_timeout ()
No symbol table info available.
#10 0x080714d8 in mach_msg_server ()
No symbol table info available.
#11 0x080bc1ce in _hurd_msgport_receive ()
No symbol table info available.
#12 0x0806c69f in entry_point (self=<optimized out>, start_routine=<optimized out>, arg=<optimized out>) at pt-create.c:62
No locals.
#13 0x00000000 in ?? ()
No symbol table info available.
Thread 1 (process 689):
#0 0x080b91ec in mach_msg_trap ()
No symbol table info available.
#1 0x08071046 in mach_msg ()
No symbol table info available.
#2 0x08071399 in mach_msg_server_timeout ()
No symbol table info available.
#3 0x08068592 in thread_function (arg=0x1) at ../../libports/manage-multithread.c:259
thread = {color = 1}
master = <optimized out>
timeout = 0
err = <optimized out>
startover = <optimized out>
#4 0x080687fe in ports_manage_port_operations_multithread (bucket=0x100017c0, demuxer=0x804eb10 <netfs_demuxer>, thread_timeout=120000, global_timeout=600000, hook=0x0) at ../../libports/manage-multithread.c:290
totalthreads = 3
nreqthreads = 2
attr = {__schedparam = {sched_priority = 0}, __stackaddr = 0x0, __stacksize = 65536, __guardsize = 1, __detachstate = __PTHREAD_CREATE_JOINABLE, __inheritsched = __PTHREAD_EXPLICIT_SCHED, __contentionscope = __PTHREAD_SCOPE_SYSTEM, __schedpolicy = 0}
#5 0x0804e3c7 in netfs_server_loop () at ../../libnetfs/init-loop.c:33
err = <optimized out>
#6 0x080489e0 in main (argc=2, argv=0x2003ee4) at ../../procfs/main.c:313
pc = 0x100016d0
bootstrap = 10
err = <optimized out>
__PRETTY_FUNCTION__ = "main"
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