[dpdk-dev] [Bug 868] [asan] thash: use after free in thash_autotest

[bugzilla@dpdk.org]

https://bugs.dpdk.org/show_bug.cgi?id=868

            Bug ID: 868
           Summary: [asan] thash: use after free in thash_autotest
           Product: DPDK
           Version: unspecified
          Hardware: All
                OS: All
            Status: UNCONFIRMED
          Severity: normal
          Priority: Normal
         Component: other
          Assignee: dev@dpdk.org
          Reporter: david.marchand@redhat.com
  Target Milestone: ---

Using series https://patchwork.dpdk.org/project/dpdk/list/?series=19821,
calling thash_autotest shows:

88/97 DPDK:fast-tests / thash_autotest        FAIL     0.87 s (exit status 1)

--- command ---
DPDK_TEST='thash_autotest' /home/runner/work/dpdk/dpdk/build/app/test/dpdk-test
--file-prefix=thash_autotest
--- stdout ---
RTE>>thash_autotest
--- stderr ---
EAL: Detected CPU lcores: 2
EAL: Detected NUMA nodes: 1
EAL: Detected shared linkage of DPDK
EAL: WARNING! Base virtual address hint (0x100005000 != 0x7f997d147000) not
respected!
EAL:    This may cause issues with mapping memory into secondary processes
EAL: Multi-process socket /var/run/dpdk/thash_autotest/mp_socket
EAL: Selected IOVA mode 'PA'
EAL: No available 1048576 kB hugepages reported
EAL: VFIO support initialized
EAL: WARNING! Base virtual address hint (0x10000b000 != 0x7f996cf3a000) not
respected!
EAL:    This may cause issues with mapping memory into secondary processes
EAL: WARNING! Base virtual address hint (0x100011000 != 0x7f996cd9f000) not
respected!
EAL:    This may cause issues with mapping memory into secondary processes
EAL: WARNING! Base virtual address hint (0x100a12000 != 0x7f956b200000) not
respected!
EAL:    This may cause issues with mapping memory into secondary processes
EAL: WARNING! Base virtual address hint (0x100c17000 != 0x7f996cd3e000) not
respected!
EAL:    This may cause issues with mapping memory into secondary processes
EAL: WARNING! Base virtual address hint (0x101618000 != 0x7f916b000000) not
respected!
EAL:    This may cause issues with mapping memory into secondary processes
EAL: WARNING! Base virtual address hint (0x10181d000 != 0x7f996cb9f000) not
respected!
EAL:    This may cause issues with mapping memory into secondary processes
EAL: WARNING! Base virtual address hint (0x10221e000 != 0x7f8d6ae00000) not
respected!
EAL:    This may cause issues with mapping memory into secondary processes
EAL: WARNING! Base virtual address hint (0x102423000 != 0x7f996cb3e000) not
respected!
EAL:    This may cause issues with mapping memory into secondary processes
EAL: WARNING! Base virtual address hint (0x102e24000 != 0x7f896ac00000) not
respected!
EAL:    This may cause issues with mapping memory into secondary processes
APP: HPET is not enabled, using TSC as default timer
=================================================================
==27442==ERROR: AddressSanitizer: heap-use-after-free on address 0x7f956b268000
at pc 0x00000044eabf bp 0x7fff53190980 sp 0x7fff53190108
READ of size 1 at 0x7f956b268000 thread T0
    #0 0x44eabe in printf_common(void*, char const*, __va_list_tag*)
(/home/runner/work/dpdk/dpdk/build/app/test/dpdk-test+0x44eabe)
    #1 0x7f997becc20b in rte_vlog
/home/runner/work/dpdk/dpdk/build/../lib/eal/common/eal_common_log.c:503:8
    #2 0x7f997becc20b in rte_log
/home/runner/work/dpdk/dpdk/build/../lib/eal/common/eal_common_log.c:520:8
    #3 0x7f9978f1cdf0 in insert_after
/home/runner/work/dpdk/dpdk/build/../lib/hash/rte_thash.c:469:3
    #4 0x7f9978f1cdf0 in rte_thash_add_helper
/home/runner/work/dpdk/dpdk/build/../lib/hash/rte_thash.c:552:11
    #5 0xe3b238 in test_add_invalid_helper
/home/runner/work/dpdk/dpdk/build/../app/test/test_thash.c:253:8
    #6 0x517294 in unit_test_suite_runner
/home/runner/work/dpdk/dpdk/build/../app/test/test.c:345:20
    #7 0x4d7600 in cmd_autotest_parsed
/home/runner/work/dpdk/dpdk/build/../app/test/commands.c:71:10
    #8 0x7f9979bc05c8 in cmdline_parse
/home/runner/work/dpdk/dpdk/build/../lib/cmdline/cmdline_parse.c:290:3
    #9 0x7f9979bbd467 in cmdline_valid_buffer
/home/runner/work/dpdk/dpdk/build/../lib/cmdline/cmdline.c:26:8
    #10 0x7f9979bc57aa in rdline_char_in
/home/runner/work/dpdk/dpdk/build/../lib/cmdline/cmdline_rdline.c:446:5
    #11 0x7f9979bbd82c in cmdline_in
/home/runner/work/dpdk/dpdk/build/../lib/cmdline/cmdline.c:148:9
    #12 0x516ce1 in main
/home/runner/work/dpdk/dpdk/build/../app/test/test.c:214:8
    #13 0x7f99730edbf6 in __libc_start_main
/build/glibc-S9d2JN/glibc-2.27/csu/../csu/libc-start.c:310
    #14 0x42ff59 in _start
(/home/runner/work/dpdk/dpdk/build/app/test/dpdk-test+0x42ff59)

Address 0x7f956b268000 is a wild pointer.
SUMMARY: AddressSanitizer: heap-use-after-free
(/home/runner/work/dpdk/dpdk/build/app/test/dpdk-test+0x44eabe) in
printf_common(void*, char const*, __va_list_tag*)
Shadow bytes around the buggy address:
  0x0ff32d644fb0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x0ff32d644fc0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x0ff32d644fd0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x0ff32d644fe0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  0x0ff32d644ff0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
=>0x0ff32d645000:[fd]fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0ff32d645010: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0ff32d645020: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0ff32d645030: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0ff32d645040: fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd fd
  0x0ff32d645050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
Shadow byte legend (one shadow byte represents 8 application bytes):
  Addressable:           00
  Partially addressable: 01 02 03 04 05 06 07 
  Heap left redzone:       fa
  Freed heap region:       fd
  Stack left redzone:      f1
  Stack mid redzone:       f2
  Stack right redzone:     f3
  Stack after return:      f5
  Stack use after scope:   f8
  Global redzone:          f9
  Global init order:       f6
  Poisoned by user:        f7
  Container overflow:      fc
  Array cookie:            ac
  Intra object redzone:    bb
  ASan internal:           fe
  Left alloca redzone:     ca
  Right alloca redzone:    cb
  Shadow gap:              cc
==27442==ABORTING
-------

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