Bug 670289

Description of problem:

Top command crashes with the options -H -p with invalid pid

top -H -p <invalid_pid>

but  top -p <invalid_pid> works fine.

Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1. top -H -p <invalid-pi>
2.
3.
  
Actual results:

top -H -p <invalid-pid>   crashes

Expected results:

top -H -p <invalid-pid>  must work as top -p <invalid-pid>

Additional info:

[root@Shash Sasi]# top -p 19999

top - 00:38:08 up  1:47,  5 users,  load average: 0.21, 0.54, 0.66
Tasks:   0 total,   0 running,   0 sleeping,   0 stopped,   0 zombie
Cpu(s): 11.6%us,  1.6%sy,  0.0%ni, 84.0%id,  2.7%wa,  0.0%hi,  0.0%si,  0.0%st
Mem:   2052500k total,  1901108k used,   151392k free,   219396k buffers
Swap:  4128764k total,        0k used,  4128764k free,  1184288k cached

  PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND                                                         





[root@Shash Sasi]# top -H -p 19999
*** glibc detected *** top: free(): invalid pointer: 0xbf81c4c8 ***
======= Backtrace: =========
/lib/libc.so.6[0x4ce0db41]
top[0x804b643]
top[0x805190a]
/lib/libc.so.6(__libc_start_main+0xe6)[0x4cdb5cc6]
top[0x8049731]
======= Memory map: ========
08047000-08056000 r-xp 00000000 fd:00 686300     /usr/bin/top
08056000-08057000 rw-p 0000e000 fd:00 686300     /usr/bin/top
08057000-0805a000 rw-p 00000000 00:00 0 
09c03000-09c24000 rw-p 00000000 00:00 0          [heap]
4cd7d000-4cd9b000 r-xp 00000000 fd:00 131181     /lib/ld-2.12.2.so
4cd9b000-4cd9c000 r--p 0001d000 fd:00 131181     /lib/ld-2.12.2.so
4cd9c000-4cd9d000 rw-p 0001e000 fd:00 131181     /lib/ld-2.12.2.so
4cd9f000-4cf23000 r-xp 00000000 fd:00 131210     /lib/libc-2.12.2.so
4cf23000-4cf24000 ---p 00184000 fd:00 131210     /lib/libc-2.12.2.so
4cf24000-4cf26000 r--p 00184000 fd:00 131210     /lib/libc-2.12.2.so
4cf26000-4cf27000 rw-p 00186000 fd:00 131210     /lib/libc-2.12.2.so
4cf27000-4cf2a000 rw-p 00000000 00:00 0 
4cf2c000-4cf2f000 r-xp 00000000 fd:00 131577     /lib/libdl-2.12.2.so
4cf2f000-4cf30000 r--p 00002000 fd:00 131577     /lib/libdl-2.12.2.so
4cf30000-4cf31000 rw-p 00003000 fd:00 131577     /lib/libdl-2.12.2.so
4cf33000-4cf40000 r-xp 00000000 fd:00 132311     /lib/libproc-3.2.8.so
4cf40000-4cf41000 rw-p 0000d000 fd:00 132311     /lib/libproc-3.2.8.so
4cf41000-4cf54000 rw-p 00000000 00:00 0 
4d416000-4d433000 r-xp 00000000 fd:00 138148     /lib/libgcc_s-4.4.5-20101113.so.1
4d433000-4d434000 rw-p 0001d000 fd:00 138148     /lib/libgcc_s-4.4.5-20101113.so.1
4d95b000-4d98c000 r-xp 00000000 fd:00 142853     /lib/libncursesw.so.5.7
4d98c000-4d98d000 rw-p 00030000 fd:00 142853     /lib/libncursesw.so.5.7
4e1ca000-4e1e8000 r-xp 00000000 fd:00 142852     /lib/libtinfo.so.5.7
4e1e8000-4e1eb000 rw-p 0001d000 fd:00 142852     /lib/libtinfo.so.5.7
b77a4000-b77a6000 rw-p 00000000 00:00 0 
b77ca000-b77cb000 rw-p 00000000 00:00 0 
b77cb000-b77cc000 r-xp 00000000 00:00 0          [vdso]
bf7fd000-bf81e000 rw-p 00000000 00:00 0          [stack]
Aborted (core dumped)
[root@Shash Sasi]#