Hi,
On 2022-11-13 20:32:47 +0100, Pavel Stehule wrote:
> updated patch attached
It fails with address sanitizer that's now part of CI:
https://cirrus-ci.com/task/6031397744279552?logs=test_world#L2659
[06:33:11.271] # ==31965==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x619000000480 at pc 0x559f1ac40822
bp0x7ffea83e1ad0 sp 0x7ffea83e1ac8
[06:33:11.271] # READ of size 1 at 0x619000000480 thread T0
[06:33:11.271] # #0 0x559f1ac40821 in read_pattern /tmp/cirrus-ci-build/src/bin/pg_dump/filter.c:302
[06:33:11.271] # #1 0x559f1ac40e4d in filter_read_item /tmp/cirrus-ci-build/src/bin/pg_dump/filter.c:459
[06:33:11.271] # #2 0x559f1abe6fa5 in read_dump_filters /tmp/cirrus-ci-build/src/bin/pg_dump/pg_dump.c:18229
[06:33:11.271] # #3 0x559f1ac2bb1b in main /tmp/cirrus-ci-build/src/bin/pg_dump/pg_dump.c:630
[06:33:11.271] # #4 0x7fd91fabfd09 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x23d09)
[06:33:11.271] # #5 0x559f1abe5d29 in _start
(/tmp/cirrus-ci-build/tmp_install/usr/local/pgsql/bin/pg_dump+0x39d29)
[06:33:11.271] #
[06:33:11.271] # 0x619000000480 is located 0 bytes to the right of 1024-byte region [0x619000000080,0x619000000480)
[06:33:11.271] # allocated by thread T0 here:
[06:33:11.271] # #0 0x7fd91fe14e8f in __interceptor_malloc
../../../../src/libsanitizer/asan/asan_malloc_linux.cpp:145
[06:33:11.271] # #1 0x559f1ac69f35 in pg_malloc_internal /tmp/cirrus-ci-build/src/common/fe_memutils.c:30
[06:33:11.271] # #2 0x559f1ac69f35 in palloc /tmp/cirrus-ci-build/src/common/fe_memutils.c:117
[06:33:11.271] #
[06:33:11.271] # SUMMARY: AddressSanitizer: heap-buffer-overflow /tmp/cirrus-ci-build/src/bin/pg_dump/filter.c:302 in
read_pattern
Greetings,
Andres Freund