Comment 12 for bug 1935617

Backtraces

Two times (on rm, only slight variations)

Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00000798b9f361d0 in quotearg_buffer_restyled (buffer=buffer@entry=0x798b9f60130 <slot0> "'", buffersize=buffersize@entry=256,
    arg=arg@entry=0x800369e198070000 <error: Cannot access memory at address 0x800369e198070000>, argsize=argsize@entry=18446744073709551615, quoting_style=shell_always_quoting_style,
    flags=flags@entry=1, quote_these_too=quote_these_too@entry=0x7fffcf48d7c0, left_quote=<optimized out>, right_quote=<optimized out>) at lib/quotearg.c:400
400 lib/quotearg.c: No such file or directory.
(gdb) bt
#0 0x00000798b9f361d0 in quotearg_buffer_restyled (buffer=buffer@entry=0x798b9f60130 <slot0> "'", buffersize=buffersize@entry=256,
    arg=arg@entry=0x800369e198070000 <error: Cannot access memory at address 0x800369e198070000>, argsize=argsize@entry=18446744073709551615, quoting_style=shell_always_quoting_style,
    flags=flags@entry=1, quote_these_too=quote_these_too@entry=0x7fffcf48d7c0, left_quote=<optimized out>, right_quote=<optimized out>) at lib/quotearg.c:400
#1 0x00000798b9f38f64 in quotearg_n_options (options=0x7fffcf48d7b8, argsize=18446744073709551615, arg=0x800369e198070000 <error: Cannot access memory at address 0x800369e198070000>, n=0)
    at lib/quotearg.c:907
#2 quotearg_n_style (arg=0x800369e198070000 <error: Cannot access memory at address 0x800369e198070000>, s=shell_escape_always_quoting_style, n=0) at lib/quotearg.c:958
#3 quotearg_style (s=shell_escape_always_quoting_style, arg=0x800369e198070000 <error: Cannot access memory at address 0x800369e198070000>) at lib/quotearg.c:972
#4 0x00000798b9f33538 in excise (fts=fts@entry=0x798e16902f0, ent=ent@entry=0x798e16915b0, x=x@entry=0x7fffcf48dbd8, is_dir=is_dir@entry=false) at src/remove.c:406
#5 0x00000798b9f34424 in rm_fts (x=<optimized out>, ent=0x798e16915b0, fts=<optimized out>) at src/remove.c:548
#6 rm (file=<optimized out>, x=0x7fffcf48dbd8) at src/remove.c:607
#7 0x00000798b9f32b70 in main (argc=<optimized out>, argv=<optimized out>) at src/rm.c:370

Once

Program terminated with signal SIGSEGV, Segmentation fault.
#0 last_component (name=0x804170e3450d0000 <error: Cannot access memory at address 0x804170e3450d0000>) at lib/basename-lgpl.c:36
36 lib/basename-lgpl.c: No such file or directory.
(gdb) bt
#0 last_component (name=0x804170e3450d0000 <error: Cannot access memory at address 0x804170e3450d0000>) at lib/basename-lgpl.c:36
#1 0x00000d45ade24298 in rm_fts (x=<optimized out>, ent=0xd45e37053b0, fts=<optimized out>) at src/remove.c:444
#2 rm (file=<optimized out>, x=0x7fffcbf8f508) at src/remove.c:607
#3 0x00000d45ade22b70 in main (argc=<optimized out>, argv=<optimized out>) at src/rm.c:370

Once (chgrp)

Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00000e0cb28f5190 in quotearg_buffer_restyled (buffer=buffer@entry=0xe0cb2920130 <slot0> "'", buffersize=buffersize@entry=256,
    arg=arg@entry=0x606513d00c0e0000 <error: Cannot access memory at address 0x606513d00c0e0000>, argsize=argsize@entry=18446744073709551615, quoting_style=shell_always_quoting_style,
    flags=flags@entry=1, quote_these_too=quote_these_too@entry=0x7fffd194aca0, left_quote=<optimized out>, right_quote=<optimized out>) at lib/quotearg.c:400
400 lib/quotearg.c: No such file or directory.
(gdb) bt
#0 0x00000e0cb28f5190 in quotearg_buffer_restyled (buffer=buffer@entry=0xe0cb2920130 <slot0> "'", buffersize=buffersize@entry=256,
    arg=arg@entry=0x606513d00c0e0000 <error: Cannot access memory at address 0x606513d00c0e0000>, argsize=argsize@entry=18446744073709551615, quoting_style=shell_always_quoting_style,
    flags=flags@entry=1, quote_these_too=quote_these_too@entry=0x7fffd194aca0, left_quote=<optimized out>, right_quote=<optimized out>) at lib/quotearg.c:400
#1 0x00000e0cb28f7f24 in quotearg_n_options (options=0x7fffd194ac98, argsize=18446744073709551615, arg=0x606513d00c0e0000 <error: Cannot access memory at address 0x606513d00c0e0000>, n=0)
    at lib/quotearg.c:907
#2 quotearg_n_style (arg=0x606513d00c0e0000 <error: Cannot access memory at address 0x606513d00c0e0000>, s=shell_escape_always_quoting_style, n=0) at lib/quotearg.c:958
#3 quotearg_style (s=shell_escape_always_quoting_style, arg=0x606513d00c0e0000 <error: Cannot access memory at address 0x606513d00c0e0000>) at lib/quotearg.c:972
#4 0x00000e0cb28f357c in change_file_owner (fts=0xe0cd0134da0, ent=0xe0cd0134f50, uid=<optimized out>, gid=<optimized out>, required_uid=<optimized out>, required_gid=<optimized out>,
    chopt=0x7fffd194b070) at src/chown-core.c:465
#5 0x00000e0cb28f45b4 in chown_files (files=<optimized out>, bit_flags=<optimized out>, uid=<optimized out>, gid=<optimized out>, required_uid=<optimized out>,
    required_gid=<optimized out>, chopt=0x7fffd194b070) at src/chown-core.c:544
#6 0x00000e0cb28f2754 in main (argc=<optimized out>, argv=0x7fffd194b5a8) at src/chgrp.c:312

One was not unwindable

Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00000147684c5050 in ?? ()

and in find on strlen

Program terminated with signal SIGSEGV, Segmentation fault.
#0 __strlen_power9 () at ../sysdeps/powerpc/powerpc64/le/power9/strlen.S:44
44 ../sysdeps/powerpc/powerpc64/le/power9/strlen.S: No such file or directory.
(gdb) bt
#0 __strlen_power9 () at ../sysdeps/powerpc/powerpc64/le/power9/strlen.S:44
#1 0x00007b7009036d00 in __vfprintf_internal (s=0x7b70091e17f8 <_IO_2_1_stdout_>, format=0x1bf41417420 "%s\n", ap=0x7ffffa0550b0 "", mode_flags=<optimized out>) at vfprintf-internal.c:1647
#2 0x00007b700911b400 in ___fprintf_chk (fp=<optimized out>, flag=<optimized out>, format=<optimized out>) at fprintf_chk.c:33
#3 0x000001bf413d6be0 in fprintf (__fmt=0x1bf41417420 "%s\n", __stream=<optimized out>) at /usr/include/powerpc64le-linux-gnu/bits/stdio2.h:105
#4 print_quoted (fp=<optimized out>, qopts=<optimized out>, dest_is_tty=<optimized out>, format=0x1bf41417420 "%s\n", s=<optimized out>) at printquoted.c:77
#5 0x000001bf413bb2d4 in pred_print () at pred.c:827
#6 0x000001bf413c7834 in apply_predicate (pathname=0x601e804bbf010000 <error: Cannot access memory at address 0x601e804bbf010000>, stat_buf=0x7ffffa057268, p=0x1bf4b8010d0) at util.c:1093
#7 0x000001bf413b8838 in pred_and (pred_ptr=<optimized out>, pred_ptr=<optimized out>, stat_buf=0x7ffffa057268,
    pathname=0x601e804bbf010000 <error: Cannot access memory at address 0x601e804bbf010000>) at pred.c:156
#8 pred_and (pathname=0x601e804bbf010000 <error: Cannot access memory at address 0x601e804bbf010000>, stat_buf=0x7ffffa057268, pred_ptr=0x1bf4b800f90) at pred.c:151
#9 0x000001bf413c7834 in apply_predicate (pathname=0x601e804bbf010000 <error: Cannot access memory at address 0x601e804bbf010000>, stat_buf=0x7ffffa057268, p=0x1bf4b800f90) at util.c:1093
#10 0x000001bf413b7f24 in visit (pstat=<optimized out>, ent=0x1bf4b801530, p=0x1bf4b801390) at ftsfind.c:181
#11 consider_visiting (p=p@entry=0x1bf4b801390, ent=0x1bf4b801530) at ftsfind.c:460
#12 0x000001bf413b8488 in find (arg=arg@entry=0x7ffffa05ff63 "/var/lib/update-notifier/updates-available") at ftsfind.c:533
#13 0x000001bf413b7510 in process_all_startpoints (argv=<optimized out>, argc=<optimized out>) at ftsfind.c:574
#14 main (argc=<optimized out>, argv=<optimized out>) at ftsfind.c:683