[bug #27268] `longjmp'-related segfaults on `ia64-linux-gnu' (1.8.7 and 1.9.2)

[Ludovic Courtès]

URL:
  <http://savannah.gnu.org/bugs/?27268>

                 Summary: `longjmp'-related segfaults on `ia64-linux-gnu'
(1.8.7 and 1.9.2)
                 Project: Guile
            Submitted by: civodul
            Submitted on: Mon 17 Aug 2009 12:37:44 PM GMT
                Category: None
                Severity: 3 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any

    _______________________________________________________

Details:

`./check-guile' segfaults once every 3 runs or so on `ia64-linux-gnu':

#v+
...
Running syntax.test
UNRESOLVED: syntax.test: while: in empty environment: empty body
UNRESOLVED: syntax.test: while: in empty environment: initially false
UNRESOLVED: syntax.test: while: in empty environment: iterating
Running threads.test
Running time.test
Segmentation fault (core dumped)
#v-

GDB shows this:

#v+
(gdb) bt full
#0  0x20000000000a7581 in scm_ia64_longjmp (JB=0x2000000004914720,
VAL=6066712) at continuations.c:238
No locals.
#1  0x20000000001a4230 in scm_ithrow (key=0x600000000000aea0,
args=0x20000000049c9210, noreturn=3) at throw.c:824
        pre_unwind = <value optimized out>
        jbr = <value optimized out>
        jmpbuf = (SCM) 0x2000000003190080
        wind_goal = (SCM) 0x20000000049c9160
        dynpair = <value optimized out>
        winds = <value optimized out>
#2  0x20000000000be160 in scm_error_scm (key=0x600000000000aea0,
subr=0x2000000003190120, message=0x2000000003190160, args=0x20000000049c91c0,
data=0x20000000049c91d0) at error.c:92
No locals.
#3  0x20000000000be260 in scm_error (key=0x600000000000aea0, subr=<value
optimized out>, message=0x20000000001d4a50 "~A", args=0x20000000049c91c0,
rest=0x20000000049c91d0) at error.c:58
No locals.
#4  0x20000000000be980 in scm_syserror (subr=0x2000000000220270 "gmtime") at
error.c:148
        err = (SCM) 0x12e
#5  0x2000000000163ce0 in scm_gmtime (time=<value optimized out>) at
stime.c:475
        itime = 128849018887
        bd_buf = {tm_sec = 7, tm_min = 30, tm_hour = 15, tm_mday = 19, tm_mon
= 0, tm_year = 219248568, tm_wday = 0, tm_yday = 18, tm_isdst = 0, tm_gmtoff =
0, tm_zone = 0x200000000066b4f8 "GMT"}
#6  0x20000000000c9ab0 in ceval (x=0x404, env=0x20000000049c9180) at
eval.c:4139
        proc = (SCM) 0x2000000000728070
        arg1 = (SCM) 0x2000000000728070
        __PRETTY_FUNCTION__ = "ceval"
#7  0x20000000000db150 in scm_call_0 (proc=0x20000000049c90d0) at
eval.c:4666
No locals.
#8  0x20000000001a44b0 in scm_body_thunk (body_data=<value optimized out>) at
throw.c:355
No locals.
#9  0x20000000001a5430 in scm_c_catch (tag=0x104, body=Cannot access memory
at address 0x100000002
) at throw.c:203
        jbr = {buf = {ctx = {_u = {_mc = {sc_flags = 0, sc_nat = 0, sc_stack
= {ss_sp = 0x0, ss_flags = 0, ss_size = 0}, sc_ip = 0, sc_cfm = 0, sc_um = 0,
sc_ar_rsc = 0, sc_ar_bsp = 2305843009281951128,
          sc_ar_rnat = 0, sc_ar_ccv = 0, sc_ar_unat = 0, sc_ar_fpsr =
2674341019140927, sc_ar_pfs = 13835058055282165521, sc_ar_lc = 0, sc_pr =
1675841, sc_br = {2305843009215419232, 0, 0, 0, 0, 0, 0, 0},
          sc_gr = {0, 2305843009220248120, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
2305843009290323696, 0 <repeats 19 times>}, sc_fr = {{u = {bits = {0, 0}}}
<repeats 127 times>, {u = {bits = {2305843009214019032,
                  2305843009214173070}}}}, sc_rbs_base = 2305843009214136696,
sc_loadrs = 2305843009214078952, sc_ar25 = 21474836480, sc_ar26 = 4294967978,
sc_rsvd = {2305843009213693957, 0,
            2305843009213693953, 1, 4294967295, 2305843009215954896,
2305843009214078952, 2305843009214019032, 0, 0, 0, 0}, sc_mask = 0}, _uc =
{_pad = {0, 0, 0, 0, 0, 0, 0, 0, 0, 2305843009281951128, 0, 0, 0,
            2674341019140927, 13835058055282165521, 0, 1675841,
2305843009215419232, 0, 0, 0, 0, 0, 0, 0}, _link = 0x0}}}, fresh = 0},
throw_tag = 0x600000000000aea0, retval = 0x20000000049c9210}
        jmpbuf = (SCM) 0x2000000003190080
        answer = <value optimized out>
        pre_unwind = {handler = 0, handler_data = 0x20000000049151f8, running
= 0, lazy_catch_p = 0}
#10 0x20000000001a5a90 in scm_catch_with_pre_unwind_handler (key=0x104,
thunk=0x20000000049c90d0, handler=0x20000000049c90f0,
pre_unwind_handler=0x204) at throw.c:587
        c = {tag = 0x104, body_proc = 0x20000000049c90d0}
#11 0x2000000000101fa0 in scm_gsubr_apply (args=0x404) at gsubr.c:223
        v = {0x104, 0x20000000049c90d0, 0x20000000049c90f0, 0x204,
0x60000000005c8738, 0x20000000006ec6a0, 0x0, 0x200000000071eff0,
0x20000000049c9100, 0x0}
        typ = 6066704
        i = 2305843009290335008
#12 0x20000000000cec10 in scm_apply (proc=0x20000000006f74f0,
arg1=0x2000000000720860, args=0x20000000049c9120) at eval.c:4932
No locals.
#13 0x20000000000c8260 in ceval (x=0x2000000000f90e00,
env=0x20000000049c90b0) at eval.c:4411
        arg2 = (SCM) 0x20000000049c90d0
        proc = <value optimized out>
        arg1 = (SCM) 0x104
        __PRETTY_FUNCTION__ = "ceval"
#14 0x20000000000db150 in scm_call_0 (proc=0x2000000000f8fd30) at
eval.c:4666
No locals.
#15 0x20000000001a44b0 in scm_body_thunk (body_data=<value optimized out>) at
throw.c:355
No locals.
#16 0x20000000001a5430 in scm_c_catch (tag=0x104, body=Cannot access memory
at address 0x100000002
) at throw.c:203
        jbr = {buf = {ctx = {_u = {_mc = {sc_flags = 0, sc_nat = 0, sc_stack
= {ss_sp = 0x0, ss_flags = 0, ss_size = 0}, sc_ip = 0, sc_cfm = 0, sc_um = 0,
sc_ar_rsc = 0, sc_ar_bsp = 2305843009281950504,
          sc_ar_rnat = 0, sc_ar_ccv = 0, sc_ar_unat = 0, sc_ar_fpsr =
2674341019140927, sc_ar_pfs = 13835058055282165521, sc_ar_lc = 0, sc_pr =
1675841, sc_br = {2305843009215419232, 0, 0, 0, 0, 0, 0, 0},
          sc_gr = {0, 2305843009220248120, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
2305843009290326640, 0 <repeats 19 times>}, sc_fr = {{u = {bits = {0, 0}}}
<repeats 128 times>}, sc_rbs_base = 0, sc_loadrs = 0,
          sc_ar25 = 0, sc_ar26 = 0, sc_rsvd = {0 <repeats 12 times>}, sc_mask
= 0}, _uc = {_pad = {0, 0, 0, 0, 0, 0, 0, 0, 0, 2305843009281950504, 0, 0, 0,
2674341019140927, 13835058055282165521, 0, 1675841,
            2305843009215419232, 0, 0, 0, 0, 0, 0, 0}, _link = 0x0}}}, fresh
= 0}, throw_tag = 0x0, retval = 0x0}
        jmpbuf = (SCM) 0x2000000003190060
        answer = <value optimized out>
        pre_unwind = {handler = 0, handler_data = 0x2000000004915d78, running
= 0, lazy_catch_p = 0}
#17 0x20000000001a5a90 in scm_catch_with_pre_unwind_handler (key=0x104,
thunk=0x2000000000f8fd30, handler=0x2000000000a33c40,
pre_unwind_handler=0x204) at throw.c:587
        c = {tag = 0x104, body_proc = 0x2000000000f8fd30}
#18 0x20000000001a5b40 in scm_catch (key=0x104, thunk=0x2000000000f8fd30,
handler=0x2000000000a33c40) at throw.c:601
No locals.
#19 0x20000000001a2480 in really_launch (d=0x60000fffffff9398) at
threads.c:778
        thunk = (SCM) 0x2000000000f8fd30
        handler = (SCM) 0x2000000000a33c40
#20 0x20000000000a6c80 in c_body (d=<value optimized out>) at
continuations.c:349
No locals.
#21 0x20000000001a5430 in scm_c_catch (tag=0x104, body=Cannot access memory
at address 0x100000002
) at throw.c:203
        jbr = {buf = {ctx = {_u = {_mc = {sc_flags = 0, sc_nat = 0, sc_stack
= {ss_sp = 0x0, ss_flags = 0, ss_size = 0}, sc_ip = 0, sc_cfm = 0, sc_um = 0,
sc_ar_rsc = 0, sc_ar_bsp = 2305843009281950176,
          sc_ar_rnat = 0, sc_ar_ccv = 0, sc_ar_unat = 0, sc_ar_fpsr =
2674341019140927, sc_ar_pfs = 13835058055282165521, sc_ar_lc = 0, sc_pr =
1675841, sc_br = {2305843009215419232, 0, 0, 0, 0, 0,
            2305843009281949984, 0}, sc_gr = {0, 2305843009220248120,
2674341019140927, 13835058055282164359, 0, 0, 0, 0, 0, 0, 0, 0,
2305843009290329456, 0, 0, 2305843009220248120, 0, 0, 0, 0, 0, 0, 0, 0, 0,
            0, 2305843009290329600, 0, 0, 0, 0, 0}, sc_fr = {{u = {bits = {0,
0}}} <repeats 128 times>}, sc_rbs_base = 0, sc_loadrs = 0, sc_ar25 = 0,
sc_ar26 = 0, sc_rsvd = {0 <repeats 12 times>}, sc_mask = 0},
        _uc = {_pad = {0, 0, 0, 0, 0, 0, 0, 0, 0, 2305843009281950176, 0, 0,
0, 2674341019140927, 13835058055282165521, 0, 1675841, 2305843009215419232, 0,
0, 0, 0, 0, 2305843009281949984, 0}, _link = 0x0}}},
    fresh = 0}, throw_tag = 0x0, retval = 0x0}
        jmpbuf = (SCM) 0x2000000003190040
        answer = <value optimized out>
        pre_unwind = {handler = 0x200000000004bdb0, handler_data = 0x0,
running = 0, lazy_catch_p = 0}
#22 0x20000000000a73b0 in scm_i_with_continuation_barrier
(body=0x20000000006ef310, body_data=0x2000000004916870,
handler=0x20000000006ef320, handler_data=0x2000000004916870, 
    pre_unwind_handler=0x200000000004bdb0, pre_unwind_handler_data=0x0) at
continuations.c:325
        stack_item = 39
        old_controot = (SCM) 0x20000000049c9020
        old_contbase = (SCM_STACKITEM *) 0x2000000004916890
        old_lastframe = (scm_t_debug_frame *) 0x0
#23 0x20000000000a74e0 in scm_c_with_continuation_barrier
(func=0x20000000006efa10, data=0x60000fffffff9398) at continuations.c:367
        c_data = {func = 0x20000000006efa10, data = 0x60000fffffff9398,
result = 0x2000000003190020}
#24 0x20000000001a2730 in scm_i_with_guile_and_parent
(func=0x20000000006efa10, data=0x60000fffffff9398, parent=0x6000000000007380)
at threads.c:733
        res = (void *) 0x20000000006efa10
        really_entered = 1
        base_item = 0
#25 0x20000000001a2890 in launch_thread (d=<value optimized out>) at
threads.c:788
No locals.
#26 0x200000000040b7d0 in start_thread () from /lib/libpthread.so.0
No symbol table info available.
#27 0x20000000005d5320 in __clone2 () from /lib/libc.so.6.1
No symbol table info available.
(gdb) info threads 
  3 process 18135  0xa000000000010721 in __kernel_syscall_via_break ()
  2 process 18440  0xa000000000010721 in __kernel_syscall_via_break ()
* 1 process 18508  0x20000000000a7581 in scm_ia64_longjmp
(JB=0x2000000004914720, VAL=6066712) at continuations.c:238
(gdb) thread 2
[Switching to thread 2 (process 18440)]#0  0xa000000000010721 in
__kernel_syscall_via_break ()
(gdb) bt
#0  0xa000000000010721 in __kernel_syscall_via_break ()
#1  0x200000000041ceb0 in __GC___libc_read () from /lib/libpthread.so.0
#2  0x2000000000153cd0 in do_read_without_guile (raw_data=0x20000000027851f8)
at scmsigs.c:161
#3  0x200000000019f590 in scm_without_guile (func=0x20000000006efe70,
data=0x20000000027851f8) at threads.c:745
#4  0x2000000000153a80 in signal_delivery_thread (data=0x2000000002785218) at
scmsigs.c:172
#5  0x20000000001a5430 in scm_c_catch (tag=0x104, body=0x20000000004387d0
<__DTOR_END__+8>, body_data=Cannot access memory at address 0x402
) at throw.c:203   
#6  0x20000000001a5bb0 in scm_internal_catch (tag=0x104,
body=0x20000000006efe60, body_data=0x0, handler=0x200000000004b9e0,
handler_data=0x20000000001e5040) at throw.c:217
#7  0x20000000001a20c0 in really_spawn (d=0x60000fffffff9228) at
threads.c:865
#8  0x20000000000a6c80 in c_body (d=<value optimized out>) at
continuations.c:349
#9  0x20000000001a5430 in scm_c_catch (tag=0x104, body=0x20000000004387d0
<__DTOR_END__+8>, body_data=Cannot access memory at address 0x402
) at throw.c:203
#10 0x20000000000a73b0 in scm_i_with_continuation_barrier
(body=0x20000000006ef310, body_data=0x2000000002786870,
handler=0x20000000006ef320, handler_data=0x2000000002786870, 
    pre_unwind_handler=0x200000000004bdb0, pre_unwind_handler_data=0x0) at
continuations.c:325
#11 0x20000000000a74e0 in scm_c_with_continuation_barrier
(func=0x20000000006ef630, data=0x60000fffffff9228) at continuations.c:367
#12 0x20000000001a2730 in scm_i_with_guile_and_parent
(func=0x20000000006ef630, data=0x60000fffffff9228, parent=0x6000000000007380)
at threads.c:733
#13 0x20000000001a2810 in spawn_thread (d=<value optimized out>) at
threads.c:877
#14 0x200000000040b7d0 in start_thread () from /lib/libpthread.so.0
#15 0x20000000005d5320 in __clone2 () from /lib/libc.so.6.1
(gdb) thread 3
[Switching to thread 3 (process 18135)]#0  0xa000000000010721 in
__kernel_syscall_via_break ()
(gdb) bt
#0  0xa000000000010721 in __kernel_syscall_via_break ()
#1  0x20000000004155a0 in pthread_cond_wait@@GLIBC_2.3.2 () from
/lib/libpthread.so.0
#2  0x200000000019f850 in scm_pthread_cond_wait (cond=0x60000fffffff93e0,
mutex=0x60000fffffff93b8) at threads.c:1504
#3  0x20000000001a22c0 in scm_call_with_new_thread (thunk=0x2000000000f8fd30,
handler=0x2000000000a33c40) at threads.c:829
#4  0x20000000000c92b0 in ceval (x=0x404, env=0x2000000000f8ffa0) at
eval.c:4229
#5  0x20000000000c8660 in ceval (x=0x2000000000f91a30,
env=0x2000000000f8ffa0) at eval.c:4212
#6  0x20000000000cc110 in ceval (x=0x2000000000f91870,
env=0x2000000000f8ffa0) at eval.c:3397
#7  0x20000000000ccb90 in ceval (x=0x20000000007c7a30,
env=0x2000000000f8ffc0) at eval.c:3648
#8  0x20000000000db150 in scm_call_0 (proc=0x2000000000f90080) at
eval.c:4666
#9  0x20000000001a44b0 in scm_body_thunk (body_data=<value optimized out>) at
throw.c:355
#10 0x20000000001a5430 in scm_c_catch (tag=0x104, body=0x414c4c4f435f434c,
body_data=Cannot access memory at address 0x4ce
) at throw.c:203
#11 0x20000000001a5a90 in scm_catch_with_pre_unwind_handler (key=0x104,
thunk=0x2000000000f90080, handler=0x2000000000f90060,
pre_unwind_handler=0x204) at throw.c:587
#12 0x2000000000101fa0 in scm_gsubr_apply (args=0x404) at gsubr.c:223
#13 0x20000000000cec10 in scm_apply (proc=0x20000000006f74f0,
arg1=0x2000000000720860, args=0x2000000000f90030) at eval.c:4932
#14 0x20000000000c8260 in ceval (x=0x20000000007c6bb0,
env=0x2000000000f900a0) at eval.c:4411
#15 0x20000000000cc110 in ceval (x=0x20000000007c6ba0,
env=0x2000000000f900a0) at eval.c:3397
#16 0x20000000000dc950 in call_closure_1 (proc=0x2000000000f929f0,
arg1=0x200000000157ea80) at eval.c:5261
#17 0x20000000000d0250 in scm_for_each (proc=0x2000000000f929f0,
arg1=0x2000000000f92990, args=0x404) at eval.c:5553
#18 0x20000000000cbee0 in ceval (x=0x404, env=0x2000000000f92a60) at
eval.c:4374
#19 0x20000000000db150 in scm_call_0 (proc=0x2000000000f92af0) at
eval.c:4666
#20 0x20000000000e0980 in apply_thunk (thunk=0x2000000000f92af0) at
fluids.c:400
#21 0x20000000000e0c90 in scm_c_with_fluid (fluid=0x2000000000760b40,
value=0x2000000000f92b10, cproc=0x20000000006efd10, cdata=0x2000000000f92af0)
at fluids.c:463
#22 0x20000000000e0d00 in scm_with_fluid (fluid=0x2000000000760b40,
value=0x2000000000f92b10, thunk=0x2000000000f92af0) at fluids.c:450
#23 0x20000000000cd060 in ceval (x=0x20000000007dc7c0,
env=0x2000000000f92b60) at eval.c:4571
#24 0x20000000000dc030 in scm_primitive_eval_x (exp=0x2000000000f93f30) at
eval.c:5921
#25 0x20000000001129b0 in scm_primitive_load (filename=<value optimized out>)
at load.c:109
#26 0x20000000000c9ab0 in ceval (x=0x404, env=0x2000000000f9f240) at
eval.c:4139
#27 0x20000000000aa130 in scm_start_stack (id=0x200000000074c400,
exp=0x200000000070e1b0, env=0x2000000000f9f240) at debug.c:457
#28 0x20000000000aa2c0 in scm_m_start_stack (exp=<value optimized out>,
env=0x2000000000f9f240) at debug.c:473
#29 0x20000000000cead0 in scm_apply (proc=0x200000000071d630,
arg1=0x200000000070e220, args=0x2000000000f9f230) at eval.c:5019
#30 0x20000000000c7d40 in ceval (x=0x200000000070e220,
env=0x2000000000f9f240) at eval.c:4059
#31 0x20000000000db150 in scm_call_0 (proc=0x2000000000f9f2b0) at
eval.c:4666
#32 0x20000000000e0980 in apply_thunk (thunk=0x2000000000f9f2b0) at
fluids.c:400
#33 0x20000000000e0c90 in scm_c_with_fluid (fluid=0x2000000000741e40,
value=0x4, cproc=0x20000000006efd10, cdata=0x2000000000f9f2b0) at
fluids.c:463
#34 0x20000000000e0d00 in scm_with_fluid (fluid=0x2000000000741e40,
value=0x4, thunk=0x2000000000f9f2b0) at fluids.c:450
#35 0x20000000000cd060 in ceval (x=0x200000000070e170,
env=0x2000000000f9f2d0) at eval.c:4571
#36 0x20000000000db150 in scm_call_0 (proc=0x2000000000f9f480) at
eval.c:4666
#37 0x20000000000b3890 in scm_dynamic_wind (in_guard=0x2000000000f9f3f0,
thunk=0x2000000000f9f480, out_guard=0x2000000000f9f3d0) at dynwind.c:111
#38 0x20000000000cd060 in ceval (x=0x2000000000715ad0,
env=0x2000000000f9f410) at eval.c:4571
#39 0x20000000000db150 in scm_call_0 (proc=0x2000000000f9f6a0) at
eval.c:4666
#40 0x20000000000e0980 in apply_thunk (thunk=0x2000000000f9f6a0) at
fluids.c:400
#41 0x20000000000e0c90 in scm_c_with_fluid (fluid=0x2000000000760b40,
value=0x2000000000f9f6e0, cproc=0x20000000006efd10, cdata=0x2000000000f9f6a0)
at fluids.c:463
#42 0x20000000000e0d00 in scm_with_fluid (fluid=0x2000000000760b40,
value=0x2000000000f9f6e0, thunk=0x2000000000f9f6a0) at fluids.c:450
#43 0x20000000000cd060 in ceval (x=0x20000000007dc7c0,
env=0x2000000000f9f700) at eval.c:4571
#44 0x20000000000dc950 in call_closure_1 (proc=0x20000000007dd3b0,
arg1=0x2000000000758b60) at eval.c:5261
#45 0x20000000000d0250 in scm_for_each (proc=0x20000000007dd3b0,
arg1=0x20000000007defe0, args=0x404) at eval.c:5553
#46 0x20000000000cbee0 in ceval (x=0x404, env=0x20000000007ddac0) at
eval.c:4374
#47 0x20000000000cc110 in ceval (x=0x20000000007a3290,
env=0x20000000007ddac0) at eval.c:3397
#48 0x20000000000cca90 in ceval (x=0x20000000007da900,
env=0x20000000007da990) at eval.c:3368
#49 0x20000000000dc030 in scm_primitive_eval_x (exp=0x20000000007da930) at
eval.c:5921
#50 0x20000000000dc130 in scm_eval_x (exp=0x20000000007da930,
module_or_state=0x2000000000763120) at eval.c:5956
#51 0x20000000001562d0 in scm_shell (argc=11, argv=0x60000fffffffaf78) at
script.c:737
#52 0x40000000000009b0 in inner_main (closure=0x0, argc=11,
argv=0x60000fffffffaf78) at guile.c:53
#53 0x200000000010ab70 in invoke_main_func (body_data=0x60000fffffffacc0) at
init.c:367
#54 0x20000000000a6c80 in c_body (d=<value optimized out>) at
continuations.c:349
#55 0x20000000001a5430 in scm_c_catch (tag=0x104, body=0x414c4c4f435f434c,
body_data=Cannot access memory at address 0x4ce
) at throw.c:203
#56 0x20000000000a73b0 in scm_i_with_continuation_barrier
(body=0x20000000006ef310, body_data=0x60000fffffffac90,
handler=0x20000000006ef320, handler_data=0x60000fffffffac90,
    pre_unwind_handler=0x200000000004bdb0, pre_unwind_handler_data=0x0) at
continuations.c:325
#57 0x20000000000a74e0 in scm_c_with_continuation_barrier
(func=0x20000000006efe20, data=0x60000fffffffacc0) at continuations.c:367
#58 0x20000000001a2730 in scm_i_with_guile_and_parent
(func=0x20000000006efe20, data=0x60000fffffffacc0, parent=0x0) at
threads.c:733
#59 0x20000000001a28e0 in scm_with_guile (func=0x20000000006efe20,
data=0x60000fffffffacc0) at threads.c:721
#60 0x200000000010aaa0 in scm_boot_guile (argc=11, argv=0x60000fffffffaf78,
address@hidden: 0x4000000000000980 <inner_main>, closure=0x0)
at init.c:350
#61 0x4000000000000960 in main (argc=11, argv=0x60000fffffffaf78) at
guile.c:63
#v-

Ludo'.




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