Leak & Fail to compile Perl with ithreads and clang #18108

atoomic · 2020-09-01T23:27:13Z

Notice this error with the following tags:

v5.26.0 [ failed to compile but for a different reason]

pp.c:3748:49: error: no member named 'current_saltbits' in 'struct crypt_data'
            PL_reentrant_buffer->_crypt_struct_buffer->current_saltbits = 0;
            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~  ^

v5.28.1
v5.30.0
v5.32.0
v5.33.1

Configure output used

> git clean -dxf; ./Configure -Dusedevel -des -Dcc="ccache clang" -Accflags="-Werror=declaration-after-statement -g -fno-omit-frame-pointer -fsanitize=address  -fno-common -fsanitize-blacklist=`pwd`/asan_ignore" -Aldflags="-fsanitize=address" -Duseithreads

Extract from make

=================================================================
==333429==ERROR: LeakSanitizer: detected memory leaks

Direct leak of 4072 byte(s) in 1 object(s) allocated from:
    #0 0x4d7d77  (/home/atoomic/workspace/perl/miniperl+0x4d7d77)
    #1 0x716dde  (/home/atoomic/workspace/perl/miniperl+0x716dde)
    #2 0x7ff955  (/home/atoomic/workspace/perl/miniperl+0x7ff955)
    #3 0x579678  (/home/atoomic/workspace/perl/miniperl+0x579678)
    #4 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #5 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Direct leak of 3376 byte(s) in 1 object(s) allocated from:
    #0 0x4d7f38  (/home/atoomic/workspace/perl/miniperl+0x4d7f38)
    #1 0x716c2a  (/home/atoomic/workspace/perl/miniperl+0x716c2a)
    #2 0x852859  (/home/atoomic/workspace/perl/miniperl+0x852859)
    #3 0x5baf41  (/home/atoomic/workspace/perl/miniperl+0x5baf41)
    #4 0x63a87c  (/home/atoomic/workspace/perl/miniperl+0x63a87c)
    #5 0x87fa78  (/home/atoomic/workspace/perl/miniperl+0x87fa78)
    #6 0x879f73  (/home/atoomic/workspace/perl/miniperl+0x879f73)
    #7 0x77c0ec  (/home/atoomic/workspace/perl/miniperl+0x77c0ec)
    #8 0x58b3c4  (/home/atoomic/workspace/perl/miniperl+0x58b3c4)
    #9 0x581d93  (/home/atoomic/workspace/perl/miniperl+0x581d93)
    #10 0x54f817  (/home/atoomic/workspace/perl/miniperl+0x54f817)
    #11 0x534b92  (/home/atoomic/workspace/perl/miniperl+0x534b92)
    #12 0x5383b6  (/home/atoomic/workspace/perl/miniperl+0x5383b6)
    #13 0x63c31d  (/home/atoomic/workspace/perl/miniperl+0x63c31d)
    #14 0x5866f1  (/home/atoomic/workspace/perl/miniperl+0x5866f1)
    #15 0x9e47d7  (/home/atoomic/workspace/perl/miniperl+0x9e47d7)
    #16 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Direct leak of 1088 byte(s) in 1 object(s) allocated from:
    #0 0x4d7d77  (/home/atoomic/workspace/perl/miniperl+0x4d7d77)
    #1 0x716dde  (/home/atoomic/workspace/perl/miniperl+0x716dde)
    #2 0x5a1469  (/home/atoomic/workspace/perl/miniperl+0x5a1469)
    #3 0x5c477d  (/home/atoomic/workspace/perl/miniperl+0x5c477d)
    #4 0x63a87c  (/home/atoomic/workspace/perl/miniperl+0x63a87c)
    #5 0x87fa78  (/home/atoomic/workspace/perl/miniperl+0x87fa78)
    #6 0x879f73  (/home/atoomic/workspace/perl/miniperl+0x879f73)
    #7 0x77c0ec  (/home/atoomic/workspace/perl/miniperl+0x77c0ec)
    #8 0x58b3c4  (/home/atoomic/workspace/perl/miniperl+0x58b3c4)
    #9 0x581d93  (/home/atoomic/workspace/perl/miniperl+0x581d93)
    #10 0x54f817  (/home/atoomic/workspace/perl/miniperl+0x54f817)
    #11 0x534b92  (/home/atoomic/workspace/perl/miniperl+0x534b92)
    #12 0x5383b6  (/home/atoomic/workspace/perl/miniperl+0x5383b6)
    #13 0x63c31d  (/home/atoomic/workspace/perl/miniperl+0x63c31d)
    #14 0x5866f1  (/home/atoomic/workspace/perl/miniperl+0x5866f1)
    #15 0x9e47d7  (/home/atoomic/workspace/perl/miniperl+0x9e47d7)
    #16 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Direct leak of 1024 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x7169d6  (/home/atoomic/workspace/perl/miniperl+0x7169d6)
    #2 0x5798c2  (/home/atoomic/workspace/perl/miniperl+0x5798c2)
    #3 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #4 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Direct leak of 656 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x7169d6  (/home/atoomic/workspace/perl/miniperl+0x7169d6)
    #2 0x743b03  (/home/atoomic/workspace/perl/miniperl+0x743b03)
    #3 0x579e46  (/home/atoomic/workspace/perl/miniperl+0x579e46)
    #4 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #5 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Direct leak of 512 byte(s) in 1 object(s) allocated from:
    #0 0x4d7d77  (/home/atoomic/workspace/perl/miniperl+0x4d7d77)
    #1 0x716dde  (/home/atoomic/workspace/perl/miniperl+0x716dde)
    #2 0x579e1c  (/home/atoomic/workspace/perl/miniperl+0x579e1c)
    #3 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #4 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Direct leak of 272 byte(s) in 1 object(s) allocated from:
    #0 0x4d7d77  (/home/atoomic/workspace/perl/miniperl+0x4d7d77)
    #1 0x716dde  (/home/atoomic/workspace/perl/miniperl+0x716dde)
    #2 0x5a1491  (/home/atoomic/workspace/perl/miniperl+0x5a1491)
    #3 0x5c477d  (/home/atoomic/workspace/perl/miniperl+0x5c477d)
    #4 0x63a87c  (/home/atoomic/workspace/perl/miniperl+0x63a87c)
    #5 0x87fa78  (/home/atoomic/workspace/perl/miniperl+0x87fa78)
    #6 0x879f73  (/home/atoomic/workspace/perl/miniperl+0x879f73)
    #7 0x77c0ec  (/home/atoomic/workspace/perl/miniperl+0x77c0ec)
    #8 0x58b3c4  (/home/atoomic/workspace/perl/miniperl+0x58b3c4)
    #9 0x581d93  (/home/atoomic/workspace/perl/miniperl+0x581d93)
    #10 0x54f817  (/home/atoomic/workspace/perl/miniperl+0x54f817)
    #11 0x534b92  (/home/atoomic/workspace/perl/miniperl+0x534b92)
    #12 0x5383b6  (/home/atoomic/workspace/perl/miniperl+0x5383b6)
    #13 0x63c31d  (/home/atoomic/workspace/perl/miniperl+0x63c31d)
    #14 0x5866f1  (/home/atoomic/workspace/perl/miniperl+0x5866f1)
    #15 0x9e47d7  (/home/atoomic/workspace/perl/miniperl+0x9e47d7)
    #16 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Direct leak of 244 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x7f7093f384c9  (/lib64/libc.so.6+0x344c9)
    #2 0x96dd50  (/home/atoomic/workspace/perl/miniperl+0x96dd50)
    #3 0x96f51e  (/home/atoomic/workspace/perl/miniperl+0x96f51e)
    #4 0x57a79a  (/home/atoomic/workspace/perl/miniperl+0x57a79a)
    #5 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #6 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Direct leak of 128 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x7169d6  (/home/atoomic/workspace/perl/miniperl+0x7169d6)
    #2 0x57991a  (/home/atoomic/workspace/perl/miniperl+0x57991a)
    #3 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #4 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Direct leak of 128 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x7169d6  (/home/atoomic/workspace/perl/miniperl+0x7169d6)
    #2 0x57997c  (/home/atoomic/workspace/perl/miniperl+0x57997c)
    #3 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #4 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Direct leak of 12 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x71871d  (/home/atoomic/workspace/perl/miniperl+0x71871d)
    #2 0x96ab16  (/home/atoomic/workspace/perl/miniperl+0x96ab16)
    #3 0x96e7ba  (/home/atoomic/workspace/perl/miniperl+0x96e7ba)
    #4 0x57a79a  (/home/atoomic/workspace/perl/miniperl+0x57a79a)
    #5 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #6 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Direct leak of 12 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x71871d  (/home/atoomic/workspace/perl/miniperl+0x71871d)
    #2 0x96ac65  (/home/atoomic/workspace/perl/miniperl+0x96ac65)
    #3 0x96e7ba  (/home/atoomic/workspace/perl/miniperl+0x96e7ba)
    #4 0x57a79a  (/home/atoomic/workspace/perl/miniperl+0x57a79a)
    #5 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #6 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Direct leak of 12 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x71871d  (/home/atoomic/workspace/perl/miniperl+0x71871d)
    #2 0x96aad3  (/home/atoomic/workspace/perl/miniperl+0x96aad3)
    #3 0x96e7ba  (/home/atoomic/workspace/perl/miniperl+0x96e7ba)
    #4 0x57a79a  (/home/atoomic/workspace/perl/miniperl+0x57a79a)
    #5 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #6 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Direct leak of 12 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x71871d  (/home/atoomic/workspace/perl/miniperl+0x71871d)
    #2 0x96ab59  (/home/atoomic/workspace/perl/miniperl+0x96ab59)
    #3 0x96e7ba  (/home/atoomic/workspace/perl/miniperl+0x96e7ba)
    #4 0x57a79a  (/home/atoomic/workspace/perl/miniperl+0x57a79a)
    #5 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #6 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Direct leak of 12 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x71871d  (/home/atoomic/workspace/perl/miniperl+0x71871d)
    #2 0x96aca8  (/home/atoomic/workspace/perl/miniperl+0x96aca8)
    #3 0x96e7ba  (/home/atoomic/workspace/perl/miniperl+0x96e7ba)
    #4 0x57a79a  (/home/atoomic/workspace/perl/miniperl+0x57a79a)
    #5 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #6 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Direct leak of 12 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x71871d  (/home/atoomic/workspace/perl/miniperl+0x71871d)
    #2 0x96ac22  (/home/atoomic/workspace/perl/miniperl+0x96ac22)
    #3 0x96e7ba  (/home/atoomic/workspace/perl/miniperl+0x96e7ba)
    #4 0x57a79a  (/home/atoomic/workspace/perl/miniperl+0x57a79a)
    #5 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #6 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Direct leak of 12 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x71871d  (/home/atoomic/workspace/perl/miniperl+0x71871d)
    #2 0x96d9a4  (/home/atoomic/workspace/perl/miniperl+0x96d9a4)
    #3 0x96f51e  (/home/atoomic/workspace/perl/miniperl+0x96f51e)
    #4 0x57a79a  (/home/atoomic/workspace/perl/miniperl+0x57a79a)
    #5 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #6 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Direct leak of 12 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x71871d  (/home/atoomic/workspace/perl/miniperl+0x71871d)
    #2 0x96ad2e  (/home/atoomic/workspace/perl/miniperl+0x96ad2e)
    #3 0x96e7ba  (/home/atoomic/workspace/perl/miniperl+0x96e7ba)
    #4 0x57a79a  (/home/atoomic/workspace/perl/miniperl+0x57a79a)
    #5 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #6 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Direct leak of 12 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x71871d  (/home/atoomic/workspace/perl/miniperl+0x71871d)
    #2 0x96ab9c  (/home/atoomic/workspace/perl/miniperl+0x96ab9c)
    #3 0x96e7ba  (/home/atoomic/workspace/perl/miniperl+0x96e7ba)
    #4 0x57a79a  (/home/atoomic/workspace/perl/miniperl+0x57a79a)
    #5 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #6 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Direct leak of 12 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x71871d  (/home/atoomic/workspace/perl/miniperl+0x71871d)
    #2 0x96d304  (/home/atoomic/workspace/perl/miniperl+0x96d304)
    #3 0x96f4fc  (/home/atoomic/workspace/perl/miniperl+0x96f4fc)
    #4 0x57a79a  (/home/atoomic/workspace/perl/miniperl+0x57a79a)
    #5 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #6 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Direct leak of 12 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x71871d  (/home/atoomic/workspace/perl/miniperl+0x71871d)
    #2 0x96aceb  (/home/atoomic/workspace/perl/miniperl+0x96aceb)
    #3 0x96e7ba  (/home/atoomic/workspace/perl/miniperl+0x96e7ba)
    #4 0x57a79a  (/home/atoomic/workspace/perl/miniperl+0x57a79a)
    #5 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #6 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Direct leak of 12 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x71871d  (/home/atoomic/workspace/perl/miniperl+0x71871d)
    #2 0x96abdf  (/home/atoomic/workspace/perl/miniperl+0x96abdf)
    #3 0x96e7ba  (/home/atoomic/workspace/perl/miniperl+0x96e7ba)
    #4 0x57a79a  (/home/atoomic/workspace/perl/miniperl+0x57a79a)
    #5 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #6 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Direct leak of 10 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x7169d6  (/home/atoomic/workspace/perl/miniperl+0x7169d6)
    #2 0x7a65b4  (/home/atoomic/workspace/perl/miniperl+0x7a65b4)
    #3 0x7bca55  (/home/atoomic/workspace/perl/miniperl+0x7bca55)
    #4 0x579d79  (/home/atoomic/workspace/perl/miniperl+0x579d79)
    #5 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #6 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Direct leak of 10 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x7169d6  (/home/atoomic/workspace/perl/miniperl+0x7169d6)
    #2 0x7a65b4  (/home/atoomic/workspace/perl/miniperl+0x7a65b4)
    #3 0x7bca55  (/home/atoomic/workspace/perl/miniperl+0x7bca55)
    #4 0x579d66  (/home/atoomic/workspace/perl/miniperl+0x579d66)
    #5 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #6 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Direct leak of 10 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x7169d6  (/home/atoomic/workspace/perl/miniperl+0x7169d6)
    #2 0x7a65b4  (/home/atoomic/workspace/perl/miniperl+0x7a65b4)
    #3 0x7bca55  (/home/atoomic/workspace/perl/miniperl+0x7bca55)
    #4 0x579d53  (/home/atoomic/workspace/perl/miniperl+0x579d53)
    #5 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #6 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Direct leak of 6 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x7169d6  (/home/atoomic/workspace/perl/miniperl+0x7169d6)
    #2 0x96e138  (/home/atoomic/workspace/perl/miniperl+0x96e138)
    #3 0x971558  (/home/atoomic/workspace/perl/miniperl+0x971558)
    #4 0x96bf32  (/home/atoomic/workspace/perl/miniperl+0x96bf32)
    #5 0x96f4d5  (/home/atoomic/workspace/perl/miniperl+0x96f4d5)
    #6 0x57a79a  (/home/atoomic/workspace/perl/miniperl+0x57a79a)
    #7 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #8 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Direct leak of 6 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x7187e4  (/home/atoomic/workspace/perl/miniperl+0x7187e4)
    #2 0x57a6d4  (/home/atoomic/workspace/perl/miniperl+0x57a6d4)
    #3 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #4 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Direct leak of 3 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x7187e4  (/home/atoomic/workspace/perl/miniperl+0x7187e4)
    #2 0x5850fe  (/home/atoomic/workspace/perl/miniperl+0x5850fe)
    #3 0x9e47d7  (/home/atoomic/workspace/perl/miniperl+0x9e47d7)
    #4 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Direct leak of 2 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x71871d  (/home/atoomic/workspace/perl/miniperl+0x71871d)
    #2 0x96ae0a  (/home/atoomic/workspace/perl/miniperl+0x96ae0a)
    #3 0x96dd8f  (/home/atoomic/workspace/perl/miniperl+0x96dd8f)
    #4 0x96f51e  (/home/atoomic/workspace/perl/miniperl+0x96f51e)
    #5 0x57a79a  (/home/atoomic/workspace/perl/miniperl+0x57a79a)
    #6 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #7 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Indirect leak of 8008 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x7169d6  (/home/atoomic/workspace/perl/miniperl+0x7169d6)
    #2 0x84aff2  (/home/atoomic/workspace/perl/miniperl+0x84aff2)
    #3 0x579772  (/home/atoomic/workspace/perl/miniperl+0x579772)
    #4 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #5 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Indirect leak of 4096 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x7169d6  (/home/atoomic/workspace/perl/miniperl+0x7169d6)
    #2 0x743edb  (/home/atoomic/workspace/perl/miniperl+0x743edb)
    #3 0x579e46  (/home/atoomic/workspace/perl/miniperl+0x579e46)
    #4 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #5 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Indirect leak of 4096 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x7169d6  (/home/atoomic/workspace/perl/miniperl+0x7169d6)
    #2 0x743fce  (/home/atoomic/workspace/perl/miniperl+0x743fce)
    #3 0x579e46  (/home/atoomic/workspace/perl/miniperl+0x579e46)
    #4 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #5 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Indirect leak of 4096 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x7169d6  (/home/atoomic/workspace/perl/miniperl+0x7169d6)
    #2 0x743f7d  (/home/atoomic/workspace/perl/miniperl+0x743f7d)
    #3 0x579e46  (/home/atoomic/workspace/perl/miniperl+0x579e46)
    #4 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #5 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Indirect leak of 4096 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x7169d6  (/home/atoomic/workspace/perl/miniperl+0x7169d6)
    #2 0x743f2c  (/home/atoomic/workspace/perl/miniperl+0x743f2c)
    #3 0x579e46  (/home/atoomic/workspace/perl/miniperl+0x579e46)
    #4 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #5 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Indirect leak of 4096 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x7169d6  (/home/atoomic/workspace/perl/miniperl+0x7169d6)
    #2 0x743e8a  (/home/atoomic/workspace/perl/miniperl+0x743e8a)
    #3 0x579e46  (/home/atoomic/workspace/perl/miniperl+0x579e46)
    #4 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #5 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Indirect leak of 4096 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x7169d6  (/home/atoomic/workspace/perl/miniperl+0x7169d6)
    #2 0x743de9  (/home/atoomic/workspace/perl/miniperl+0x743de9)
    #3 0x579e46  (/home/atoomic/workspace/perl/miniperl+0x579e46)
    #4 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #5 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Indirect leak of 4096 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x7169d6  (/home/atoomic/workspace/perl/miniperl+0x7169d6)
    #2 0x743d99  (/home/atoomic/workspace/perl/miniperl+0x743d99)
    #3 0x579e46  (/home/atoomic/workspace/perl/miniperl+0x579e46)
    #4 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #5 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Indirect leak of 3296 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x7169d6  (/home/atoomic/workspace/perl/miniperl+0x7169d6)
    #2 0x7ff9d7  (/home/atoomic/workspace/perl/miniperl+0x7ff9d7)
    #3 0x579678  (/home/atoomic/workspace/perl/miniperl+0x579678)
    #4 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #5 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Indirect leak of 3264 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x7169d6  (/home/atoomic/workspace/perl/miniperl+0x7169d6)
    #2 0x7a355b  (/home/atoomic/workspace/perl/miniperl+0x7a355b)
    #3 0x7b62b1  (/home/atoomic/workspace/perl/miniperl+0x7b62b1)
    #4 0x5a2a98  (/home/atoomic/workspace/perl/miniperl+0x5a2a98)
    #5 0x5a0d9a  (/home/atoomic/workspace/perl/miniperl+0x5a0d9a)
    #6 0x586003  (/home/atoomic/workspace/perl/miniperl+0x586003)
    #7 0x9e47d7  (/home/atoomic/workspace/perl/miniperl+0x9e47d7)
    #8 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Indirect leak of 1872 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x7169d6  (/home/atoomic/workspace/perl/miniperl+0x7169d6)
    #2 0x84aff2  (/home/atoomic/workspace/perl/miniperl+0x84aff2)
    #3 0x54f4ca  (/home/atoomic/workspace/perl/miniperl+0x54f4ca)
    #4 0x534b92  (/home/atoomic/workspace/perl/miniperl+0x534b92)
    #5 0x6406db  (/home/atoomic/workspace/perl/miniperl+0x6406db)
    #6 0x5866f1  (/home/atoomic/workspace/perl/miniperl+0x5866f1)
    #7 0x9e47d7  (/home/atoomic/workspace/perl/miniperl+0x9e47d7)
    #8 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Indirect leak of 256 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x7169d6  (/home/atoomic/workspace/perl/miniperl+0x7169d6)
    #2 0x744070  (/home/atoomic/workspace/perl/miniperl+0x744070)
    #3 0x579e46  (/home/atoomic/workspace/perl/miniperl+0x579e46)
    #4 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #5 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Indirect leak of 256 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x7169d6  (/home/atoomic/workspace/perl/miniperl+0x7169d6)
    #2 0x74401f  (/home/atoomic/workspace/perl/miniperl+0x74401f)
    #3 0x579e46  (/home/atoomic/workspace/perl/miniperl+0x579e46)
    #4 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #5 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Indirect leak of 256 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x7169d6  (/home/atoomic/workspace/perl/miniperl+0x7169d6)
    #2 0x743e39  (/home/atoomic/workspace/perl/miniperl+0x743e39)
    #3 0x579e46  (/home/atoomic/workspace/perl/miniperl+0x579e46)
    #4 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #5 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Indirect leak of 56 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x7169d6  (/home/atoomic/workspace/perl/miniperl+0x7169d6)
    #2 0x84ae71  (/home/atoomic/workspace/perl/miniperl+0x84ae71)
    #3 0x54f4ca  (/home/atoomic/workspace/perl/miniperl+0x54f4ca)
    #4 0x534b92  (/home/atoomic/workspace/perl/miniperl+0x534b92)
    #5 0x6406db  (/home/atoomic/workspace/perl/miniperl+0x6406db)
    #6 0x5866f1  (/home/atoomic/workspace/perl/miniperl+0x5866f1)
    #7 0x9e47d7  (/home/atoomic/workspace/perl/miniperl+0x9e47d7)
    #8 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Indirect leak of 56 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x7169d6  (/home/atoomic/workspace/perl/miniperl+0x7169d6)
    #2 0x84ae71  (/home/atoomic/workspace/perl/miniperl+0x84ae71)
    #3 0x579772  (/home/atoomic/workspace/perl/miniperl+0x579772)
    #4 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #5 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Indirect leak of 26 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x7169d6  (/home/atoomic/workspace/perl/miniperl+0x7169d6)
    #2 0x743d4a  (/home/atoomic/workspace/perl/miniperl+0x743d4a)
    #3 0x579e46  (/home/atoomic/workspace/perl/miniperl+0x579e46)
    #4 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #5 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

Indirect leak of 26 byte(s) in 1 object(s) allocated from:
    #0 0x4d7bbf  (/home/atoomic/workspace/perl/miniperl+0x4d7bbf)
    #1 0x7169d6  (/home/atoomic/workspace/perl/miniperl+0x7169d6)
    #2 0x743cdd  (/home/atoomic/workspace/perl/miniperl+0x743cdd)
    #3 0x579e46  (/home/atoomic/workspace/perl/miniperl+0x579e46)
    #4 0x9e475b  (/home/atoomic/workspace/perl/miniperl+0x9e475b)
    #5 0x7f7093f2b041  (/lib64/libc.so.6+0x27041)

SUMMARY: AddressSanitizer: 57735 byte(s) leaked in 47 allocation(s).
Failed to build miniperl. Please run make minitest
make: *** [makefile:365: lib/buildcustomize.pl] Error 1

also view: #18012 and #18054
probably linked to #18107

The text was updated successfully, but these errors were encountered:

richardleach · 2020-09-02T09:00:53Z

I think a lot of these might be due to Perl_destruct bailing out early if it's the parent thread (or non-threaded build). If we define a couple of macros to implement this:

#if defined(__has_feature)
#  if __has_feature(address_sanitizer)
// code that builds only under AddressSanitizer
#  endif
#endif

They could then be used to skip early bail-out when ASan is in use.

richardleach · 2020-09-02T09:01:30Z

Also been meaning to check if there's a regular ASan smoker or not.

Tux · 2020-09-02T09:21:58Z

I think a lot of these might be due to Perl_destruct bailing out early if it's the parent thread (or non-threaded build). If we define a couple of macros to implement this:

#if defined(__has_feature)
#  if __has_feature(address_sanitizer)
// code that builds only under AddressSanitizer

please use C89 comment style only.
If not for safety, do it for consistency

#  endif
#endif

They could then be used to skip early bail-out when ASan is in use.

richardleach · 2020-09-02T09:29:47Z

@Tux - code above was just a rushed copy&paste from https://clang.llvm.org/docs/AddressSanitizer.html#conditional-compilation-with-has-feature-address-sanitizer, didn't mean to imply that's code to go directly into a PR.

Looks like we don't already have a __has_feature macro, so thinking there would be one new macro for that, then a separate macro that uses it to test for ASan. Sound ok?

Tux · 2020-09-02T09:46:07Z

Yes, sounds ok

richardleach · 2020-09-02T12:49:30Z

@atoomic - if you comment out https://github.com/Perl/perl5/blob/blead/perl.c#L948, are there any leaks left?

atoomic · 2020-09-02T14:36:22Z

@richardleach I'm not sure to understand the change you are suggesting, could you show me a diff?
thanks

richardleach · 2020-09-02T14:39:37Z

@atoomic

diff --git a/perl.c b/perl.c
index 9f0f230301..2f48d63f15 100644
--- a/perl.c
+++ b/perl.c
@@ -946,7 +946,7 @@ perl_destruct(pTHXx)
        CopFILE_free(&PL_compiling);
 
        /* The exit() function will do everything that needs doing. */
-        return STATUS_EXIT;
+        /*return STATUS_EXIT;*/
     }
 
     /* Below, do clean up for when PERL_DESTRUCT_LEVEL is not 0 */

atoomic · 2020-09-02T16:53:10Z

@richardleach commenting that STATUS_EXIT solves the leaks

richardleach · 2020-09-02T17:45:00Z

Ok. I'm happy to have a crack at implementing the macros mentioned above and using them to prevent that early return STATUS_EXIT; when built with ASan.

atoomic · 2020-09-02T17:46:04Z

excellent thanks

iabyn · 2020-09-03T10:36:21Z

On Wed, Sep 02, 2020 at 10:45:23AM -0700, Richard Leach wrote: Ok. I'm happy to have a crack at implementing the macros mentioned above and using them to prevent that early `return STATUS_EXIT;` when built with ASan.

I don't like that idea. I run ASan leak detect runs with the env var PERL_DESTRUCT_LEVEL=2. It passes for me.

…

-- Any [programming] language that doesn't occasionally surprise the novice will pay for it by continually surprising the expert. -- Larry Wall

richardleach · 2020-09-03T10:55:48Z

I run ASan leak detect runs with the env var PERL_DESTRUCT_LEVEL=2.

That is documented in perlhacktips.pod, which I clearly hadn't read thoroughly enough. :(

Agree that there's therefore nothing to do.
(Unless there's a tidy way to output a warning if ASAN is used but PERL_DESTRUCT_LEVEL is < 2?)

atoomic added the Needs Triage label Sep 1, 2020

richardleach self-assigned this Sep 2, 2020

richardleach added leak/refcount/malloc metaconfig Severity Low and removed Needs Triage labels Sep 2, 2020

richardleach removed their assignment Sep 3, 2020

richardleach added the Closable? We might be able to close this ticket, but we need to check with the reporter label Sep 3, 2020

richardleach mentioned this issue Sep 4, 2020

Possible uninitialized curlocales[] #17824

Closed

jpereira mentioned this issue Sep 4, 2020

Suppress leak warnings in perl_construct() on OSX FreeRADIUS/freeradius-server#3618

Merged

atoomic closed this as completed Sep 16, 2020

jkeenan removed the Closable? We might be able to close this ticket, but we need to check with the reporter label Feb 11, 2021

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Leak & Fail to compile Perl with ithreads and clang #18108

Leak & Fail to compile Perl with ithreads and clang #18108

atoomic commented Sep 1, 2020

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Tux commented Sep 2, 2020 •

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richardleach commented Sep 2, 2020

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atoomic commented Sep 2, 2020

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atoomic commented Sep 2, 2020

iabyn commented Sep 3, 2020 via email

richardleach commented Sep 3, 2020

Leak & Fail to compile Perl with ithreads and clang #18108

Leak & Fail to compile Perl with ithreads and clang #18108

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atoomic commented Sep 1, 2020

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Tux commented Sep 2, 2020 •

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