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Cisco Bug: CSCuo23512 - PANG restart after Segmentation fault

Last Modified

Feb 02, 2017

Products (1)

  • Cisco Videoscape Distribution Suite Transparent Caching

Known Affected Releases

5.0.2

Description (partial)

Symptom:
Core dump generated and cause reboot

Conditions:
Core was generated by `/opt/pang/bin/pang -d -f /opt/pang/conf/pang.conf'.
Program terminated with signal 6, Aborted.
#0  0x00007f8f680ae645 in raise () from /lib64/libc.so.6
#0  0x00007f8f680ae645 in raise () from /lib64/libc.so.6
#1  0x00007f8f680afc33 in abort () from /lib64/libc.so.6
#2  0x00007f8f68b61695 in tcmalloc::Log (mode=tcmalloc::kCrash,
    filename=<value optimized out>, line=<value optimized out>, a=
        {tag_ = tcmalloc::LogItem::kStr, u_ = {str = 0x7f8f68b709b8 "Attempt to free invalid pointer", ptr = 0x7f8f68b709b8, snum = 140253913876920, unum = 140253913876920}}, b=
        {tag_ = tcmalloc::LogItem::kPtr, u_ = {str = 0xcc <Address 0xcc out of bounds>, ptr = 0xcc, snum = 204, unum = 204}}, c=
        {tag_ = tcmalloc::LogItem::kEnd, u_ = {str = 0xd125a0 "", ptr = 0xd125a0, snum = 13706656, unum = 13706656}}, d=
        {tag_ = tcmalloc::LogItem::kEnd, u_ = {str = 0xf0c3c0 "\002", ptr = 0xf0c3c0, snum = 15778752, unum = 15778752}}) at src/internal_logging.cc:119
#3  0x00007f8f68b5cd53 in InvalidFree (ptr=<value optimized out>)
    at src/tcmalloc.cc:289
#4  0x00007f8f68b6d9ee in tc_free (ptr=0xcc) at src/tcmalloc.cc:1121
#5  0x000000000088b36f in free_alligned_buffer (
    ptr=0xcc <Address 0xcc out of bounds>) at utils.cpp:144
#6  0x000000000088d65b in io_buffer_pool_release (
    ptr=0xcc <Address 0xcc out of bounds>) at utils.cpp:240
#7  0x00000000007a03d8 in cache_out_c::handle_io_response (this=0x1ceb26000,
    resp=0xec65c478) at cache_out_c.cpp:506
#8  0x00000000007ad792 in cache_out_c::main_loop (this=0x1ceb26000)
    at cache_out_c.cpp:3754
#9  0x00000000007ae472 in cache_out_c::thread_function (arg=0x1ceb26000)
    at cache_out_c.cpp:88
#10 0x00007f8f67e67070 in start_thread () from /lib64/libpthread.so.0
#11 0x00007f8f6814f10d in clone () from /lib64/libc.so.6
#12 0x0000000000000000 in ?? ()
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