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bug#37892: 27.0.50; Crash when signaling a thread
From: |
Michał Krzywkowski |
Subject: |
bug#37892: 27.0.50; Crash when signaling a thread |
Date: |
Wed, 23 Oct 2019 19:06:42 +0200 |
User-agent: |
mu4e 1.0; emacs 26.3.50 |
Repository revision: b7037662e1111d55218fb2345f9ebb9ed3ebef13
When I evaluate this sexp, Emacs aborts:
(let ((thread (make-thread (lambda () (sit-for 1.0)))))
(sit-for 0.5)
(thread-signal thread 'error nil))
Backtrace:
Thread 5 "emacs" hit Breakpoint 1, terminate_due_to_signal (sig=sig@entry=6,
backtrace_limit=backtrace_limit@entry=40) at emacs.c:371
371 signal (sig, SIG_DFL);
#0 0x000000000041f40b in terminate_due_to_signal (sig=sig@entry=6,
backtrace_limit=backtrace_limit@entry=40) at emacs.c:371
#1 0x000000000041f866 in emacs_abort () at sysdep.c:2450
#2 0x000000000042154b in signal_or_quit (error_symbol=XIL(0x90),
data=XIL(0), keyboard_quit=<optimized out>) at eval.c:1598
#3 0x0000000000421564 in Fsignal (error_symbol=<optimized out>,
data=<optimized out>) at eval.c:1568
#4 0x0000000000423929 in post_acquire_global_lock (self=<optimized out>) at
thread.c:115
#5 0x00000000005c5e62 in acquire_global_lock (self=0x1465e50) at thread.c:123
#6 0x00000000005c5e62 in really_call_select (arg=0x7fffee0253b0) at
thread.c:596
#7 0x00000000005c68c7 in thread_select
(func=<optimized out>, max_fds=max_fds@entry=13,
rfds=rfds@entry=0x7fffee025460, wfds=<optimized out>, efds=efds@entry=0x0,
timeout=timeout@entry=0x7fffee025a50, sigmask=0x0) at thread.c:616
#8 0x00000000005e3058 in xg_select (fds_lim=13,
rfds=rfds@entry=0x7fffee025b80, wfds=wfds@entry=0x7fffee025c00,
efds=efds@entry=0x0, timeout=timeout@entry=0x7fffee025a50,
sigmask=sigmask@entry=0x0)
at xgselect.c:73
#9 0x00000000005a6fae in wait_reading_process_output
(time_limit=<optimized out>, nsecs=<optimized out>,
read_kbd=read_kbd@entry=-1, do_display=do_display@entry=true,
wait_for_cell=wait_for_cell@entry=XIL(0), wait_proc=wait_proc@entry=0x0,
just_wait_proc=0)
at process.c:5519
#10 0x0000000000503119 in kbd_buffer_get_event (end_time=0x7fffee026360,
used_mouse_menu=0x0, kbp=<synthetic pointer>) at lisp.h:1032
#11 0x0000000000503119 in read_event_from_main_queue (used_mouse_menu=0x0,
local_getcjmp=0x7fffee026090, end_time=0x7fffee026360) at keyboard.c:2152
#12 0x0000000000503119 in read_decoded_event_from_main_queue
(used_mouse_menu=<optimized out>, prev_event=<optimized out>,
local_getcjmp=<optimized out>, end_time=<optimized out>) at keyboard.c:2216
#13 0x0000000000503119 in read_char (commandflag=commandflag@entry=0,
map=map@entry=XIL(0), prev_event=prev_event@entry=XIL(0),
used_mouse_menu=used_mouse_menu@entry=0x0, end_time=0x7fffee026360)
at keyboard.c:2826
#14 0x000000000058a51e in read_filtered_event (no_switch_frame=false,
ascii_required=false, error_nonascii=false, input_method=<optimized out>,
seconds=XIL(0xa8a86f)) at lisp.h:1032
#15 0x000000000056a7e3 in Ffuncall (nargs=4, args=args@entry=0x7fffee026430)
at lisp.h:2109
#16 0x000000000059d2b1 in exec_byte_code (bytestr=<optimized out>,
vector=<optimized out>, maxdepth=<optimized out>, args_template=<optimized
out>, nargs=<optimized out>, args=<optimized out>) at bytecode.c:633
#17 0x000000000056c250 in apply_lambda (fun=XIL(0x7ffff031e795),
args=<optimized out>, count=count@entry=1) at eval.c:2926
#18 0x000000000056c52b in eval_sub (form=<optimized out>) at eval.c:2348
#19 0x000000000056cbed in Fprogn (body=XIL(0)) at eval.c:462
#20 0x000000000056cbed in funcall_lambda (fun=XIL(0x12a7d23), nargs=0,
arg_vector=0x1465e78) at eval.c:3060
#21 0x000000000056a73f in Ffuncall (nargs=nargs@entry=1,
args=args@entry=0x1465e70) at eval.c:2808
#22 0x00000000005c61d8 in invoke_thread_function () at thread.c:702
#23 0x0000000000569b12 in internal_condition_case (bfun=bfun@entry=0x5c61a0
<invoke_thread_function>, handlers=handlers@entry=XIL(0x30),
hfun=hfun@entry=0x5c5bd0 <record_thread_error>) at eval.c:1355
#24 0x00000000005c60c2 in run_thread (state=0x1465e50) at lisp.h:1032
#25 0x00007ffff48e1fa3 in start_thread (arg=<optimized out>) at
pthread_create.c:486
#26 0x00007ffff47254cf in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Full backtrace in attachment.
gdb.txt
Description: GDB logs
--
Michał Krzywkowski
PGP: A5A7 06C4 28EF 8F64 2868 13A1 7BDE C129 F0B8 09A1
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Description: PGP signature
- bug#37892: 27.0.50; Crash when signaling a thread,
Michał Krzywkowski <=