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[Bug libc/12901] New: Segfault in libnss_db-2.14.90.so when running iftop


http://sourceware.org/bugzilla/show_bug.cgi?id=12901

           Summary: Segfault in libnss_db-2.14.90.so when running iftop
           Product: glibc
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: libc
        AssignedTo: drepper.fsp@gmail.com
        ReportedBy: cryptooctoploid@gmail.com


I see the following segfault on my machine every time when I run iftop.


iftop[386]: segfault at 8 ip 00007f78b355e88f sp 00007fff2dab61b0 error 4 in
libnss_db-2.14.90.so[7f78b355d000+6000]

Program received signal SIGSEGV, Segmentation fault.
0x00007ffff5dc788f in _nss_db_setprotoent (stayopen=0) at
./nss_files/../nss_db/db-XXX.c:78
78        entidx  = (const char *) state.header + state.header->valstroffset;
(gdb) bt
#0  0x00007ffff5dc788f in _nss_db_setprotoent (stayopen=0) at
./nss_files/../nss_db/db-XXX.c:78
#1  0x00007ffff76c3760 in __nss_setent (func_name=0x7ffff7700a49 "setprotoent",
lookup_fct=Unhandled dwarf expression opcode 0xf3
) at getnssent_r.c:79
#2  0x00007ffff76cb21f in setprotoent (stayopen=Unhandled dwarf expression
opcode 0xf3
) at ../nss/getXXent_r.c:127
#3  0x0000000000404597 in ?? ()
#4  0x00000000004065be in ?? ()
#5  0x00000000004035ac in ?? ()
#6  0x00007ffff7600180 in __libc_start_main (main=0x403520, argc=1,
ubp_av=0x7fffffffe738, init=Unhandled dwarf expression opcode 0xf3
) at libc-start.c:226
#7  0x0000000000402169 in ?? ()
#8  0x00007fffffffe728 in ?? ()
#9  0x00000000ffffffff in ?? ()
#10 0x0000000000000001 in ?? ()
#11 0x00007fffffffe9fa in ?? ()
#12 0x0000000000000000 in ?? ()


This is caused by commit 2666d441c2d810:

Author: Ulrich Drepper <drepper@gmail.com>
Date:   Tue Jun 14 22:21:51 2011 -0400

    Reenable nss_db with a completely new implementation

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