It's possible the stacktrace in the Error Tracker contains sensitive
information, that's why access to it is restricted and it's not
automatically added to the bug report here.
Here's the Stacktrace though:
#0 0x00007f38ce77e428 in __GI_raise (sig=sig@entry=6) at
../sysdeps/unix/sysv/linux/raise.c:54
resultvar = 0
pid = 6528
selftid = 6528
#1 0x00007f38ce78002a in __GI_abort () at abort.c:89
save_stage = 2
act = {__sigaction_handler = {sa_handler = 0x2020202020383939,
sa_sigaction = 0x2020202020383939}, sa_mask = {__val = {2314885530818453536,
2314885530818453536, 7091318039310988591, 3257288213055174703,
7955377262162766188, 3420042391722602357, 8029123697353646951,
7017503717531088228, 4049692876519860323, 3472328519700276835,
3559641648514610989, 8606977229197436472, 3472328296226648109,
3475143045726351408, 3703708260188037168, 3472387704235647800}}, sa_flags =
1714892080, sa_restorer = 0x4f}
sigs = {__val = {32, 0 <repeats 15 times>}}
#2 0x00007f38ce7c07ea in __libc_message (do_abort=do_abort@entry=2,
fmt=fmt@entry=0x7f38ce8d92e0 "*** Error in `%s': %s: 0x%s ***\n") at
../sysdeps/posix/libc_fatal.c:175
ap = <error reading variable ap (Attempt to dereference a generic
pointer.)>
fd = 4
on_2 = <optimized out>
list = <optimized out>
nlist = <optimized out>
cp = <optimized out>
written = <optimized out>
#3 0x00007f38ce7c8e0a in malloc_printerr (ar_ptr=<optimized out>,
ptr=<optimized out>, str=0x7f38ce8d9410 "double free or corruption (!prev)",
action=3) at malloc.c:5004
buf = "0000000000692690"
cp = <optimized out>
ar_ptr = <optimized out>
str = 0x7f38ce8d9410 "double free or corruption (!prev)"
action = 3
#4 _int_free (av=<optimized out>, p=<optimized out>, have_lock=0) at
malloc.c:3865
size = <optimized out>
fb = <optimized out>
nextchunk = <optimized out>
nextsize = <optimized out>
nextinuse = <optimized out>
prevsize = <optimized out>
bck = <optimized out>
fwd = <optimized out>
errstr = <optimized out>
locked = <optimized out>
#5 0x00007f38ce7cc98c in __GI___libc_free (mem=mem@entry=0x692690) at
malloc.c:2966
ar_ptr = <optimized out>
p = 0x692680
hook = <optimized out>
#6 0x0000000000408b56 in do_lockfile (filename=filename@entry=0x7ffee0fb074d
"**removed**/COMMIT_EDITMSG") at ../../src/files.c:374
readtot = <optimized out>
promptstr = 0x692690 "File **removed**/COMMIT_EDITMSG is being edited
(by **removed** with nano 2.5.3, PID 12547); continue?"
readamt = <optimized out>
lockbuf = <optimized out>
ans = 1
namecopy1 = <optimized out>
namecopy2 = <optimized out>
locknamesize = <optimized out>
lockfilename = 0x6999c0 "**removed**/.COMMIT_EDITMSG.swp"
lockprog = "nano 2.5.3"
lockuser = "khazizovroman\000\000\000"
fileinfo = {st_dev = 2050, st_ino = 3733172, st_nlink = 1, st_mode =
33204, st_uid = 1000, st_gid = 1000, __pad0 = 0, st_rdev = 0, st_size = 1024,
st_blksize = 4096, st_blocks = 8, st_atim = {tv_sec = 1472024225, tv_nsec =
596574479}, st_mtim = {tv_sec = 1468485463, tv_nsec = 186453909}, st_ctim =
{tv_sec = 1468485463, tv_nsec = 186453909}, __glibc_reserved = {0, 0, 0}}
lockpid = 12547
retval = -1
#7 0x000000000040ccf1 in open_buffer (filename=0x7ffee0fb074d
"**removed**/COMMIT_EDITMSG", undoable=undoable@entry=false) at
../../src/files.c:457
lockstatus = <optimized out>
quiet = false
new_buffer = true
f = 0x3b
rc = <optimized out>
#8 0x000000000040431c in main (argc=2, argv=0x7ffee0fae2f8) at
../../src/nano.c:2599
optchr = <optimized out>
startline = 0
startcol = 0
fill_used = <optimized out>
forced_wrapping = <optimized out>
old_multibuffer = false
long_options = {{name = 0x428236 "boldtext", has_arg = 0, flag = 0x0,
val = 68}, {name = 0x42826d "multibuffer", has_arg = 0, flag = 0x0, val = 70},
{name = 0x4282c8 "ignorercfiles", has_arg = 0, flag = 0x0, val = 73}, {name =
0x4282d8 "rebindkeypad", has_arg = 0, flag = 0x0, val = 75}, {name = 0x4282e7
"nonewlines", has_arg = 0, flag = 0x0, val = 76}, {name = 0x42831e "morespace",
has_arg = 0, flag = 0x0, val = 79}, {name = 0x42875d "quotestr", has_arg = 1,
flag = 0x0, val = 81}, {name = 0x428371 "restricted", has_arg = 0, flag = 0x0,
val = 82}, {name = 0x428766 "tabsize", has_arg = 1, flag = 0x0, val = 84},
{name = 0x4283cd "version", has_arg = 0, flag = 0x0, val = 86}, {name =
0x4298ca "syntax", has_arg = 1, flag = 0x0, val = 89}, {name = 0x4283fc
"constantshow", has_arg = 0, flag = 0x0, val = 99}, {name = 0x42840e
"rebinddelete", has_arg = 0, flag = 0x0, val = 100}, {name = 0x42843d "help",
has_arg = 0, flag = 0x0, val = 104}, {name = 0x428474 "mouse", has_arg = 0,
flag =
0x0, val = 109}, {name = 0x428487 "noread", has_arg = 0, flag = 0x0, val =
110}, {name = 0x42876e "operatingdir", has_arg = 1, flag = 0x0, val = 111},
{name = 0x4284c9 "preserve", has_arg = 0, flag = 0x0, val = 112}, {name =
0x4284d7 "quiet", has_arg = 0, flag = 0x0, val = 113}, {name = 0x42877b "fill",
has_arg = 1, flag = 0x0, val = 114}, {name = 0x428526 "speller", has_arg = 1,
flag = 0x0, val = 115}, {name = 0x428530 "tempfile", has_arg = 0, flag = 0x0,
val = 116}, {name = 0x42855e "view", has_arg = 0, flag = 0x0, val = 118}, {name
= 0x428583 "nowrap", has_arg = 0, flag = 0x0, val = 119}, {name = 0x4285ad
"nohelp", has_arg = 0, flag = 0x0, val = 120}, {name = 0x4285cb "suspend",
has_arg = 0, flag = 0x0, val = 122}, {name = 0x428206 "smarthome", has_arg = 0,
flag = 0x0, val = 65}, {name = 0x428212 "backup", has_arg = 0, flag = 0x0, val
= 66}, {name = 0x428780 "backupdir", has_arg = 1, flag = 0x0, val = 67}, {name
= 0x42825e "tabstospaces", has_arg = 0, flag = 0x0, val = 69}, {nam
e = 0x428296 "locking", has_arg = 0, flag = 0x0, val = 71}, {name = 0x4282a0
"historylog", has_arg = 0, flag = 0x0, val = 72}, {name = 0x4282f4 "noconvert",
has_arg = 0, flag = 0x0, val = 78}, {name = 0x42878a "poslog", has_arg = 0,
flag = 0x0, val = 80}, {name = 0x42832a "positionlog", has_arg = 0, flag = 0x0,
val = 80}, {name = 0x42837e "smooth", has_arg = 0, flag = 0x0, val = 83}, {name
= 0x4283c0 "quickblank", has_arg = 0, flag = 0x0, val = 85}, {name = 0x4283d7
"wordbounds", has_arg = 0, flag = 0x0, val = 87}, {name = 0x428447
"autoindent", has_arg = 0, flag = 0x0, val = 105}, {name = 0x42a482 "cut",
has_arg = 0, flag = 0x0, val = 107}, {name = 0x42853e "unix", has_arg = 0, flag
= 0x0, val = 117}, {name = 0x4285f2 "softwrap", has_arg = 0, flag = 0x0, val =
36}, {name = 0x0, has_arg = 0, flag = 0x0, val = 0}}
keyvalue = <optimized out>
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https://bugs.launchpad.net/bugs/1572807
Title:
/bin/nano:*** Error in `nano': double free or corruption (!prev): ADDR
***
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