ClickHouse/utils
Azat Khuzhin 20a671b8cf Skip protection from double decompression if inode from maps cannot be obtained
Under some circumstances, like using qemu-$ARCH-static, /proc/self/maps
will not contain information about /proc/self/exe.

Well, strictly speaking it does contains, however qemu will not pass it
to the user program:

<details>

<summary>strace</summary>

    $ sudo strace -s10000 -f arch-chroot . /qemu-riscv64-static /clickhouse
    ...
    execve("/qemu-riscv64-static", ["/qemu-riscv64-static", "/clickhouse"], 0x7fffffffe458 /* 20 vars */) = 0
    readlinkat(AT_FDCWD, "/proc/self/exe", "/qemu-riscv64-static", 4096) = 20
    openat(AT_FDCWD, "/proc/self/maps", O_RDONLY|O_CLOEXEC) = 4
    [pid  3126] read(4, "00010000-00111000 r--p 00000000 fe:01 30312571                           /clickhouse\n00111000-00119000 r--p 00100000 fe:01 30312571                           /clickhouse\n00119000-0011a000 rw-p 00108000 fe:01 30312571                           /clickhouse\n0011a000-0013d000 rw-p 00000000 00:00 0 \n4000000000-4000001000 ---p 00000000 00:00 0 \n4000001000-4000801000 rw-p 00000000 00:00 0 \n4000801000-400081a000 r--p 00000000 fe:01 30316932                       /lib/riscv64-linux-gnu/ld-2.32.so\n400081a000-400081b000 ---p 00000000 00:00 0 \n400081b000-400081c000 r--p 00019000 fe:01 30316932                       /lib/riscv64-linux-gnu/ld-2.32.so\n400081c000-400081e000 rw-p 0001a000 fe:01 30316932                       /lib/riscv64-linux-gnu/ld-2.32.so\n400081e000-400081f000 r--p 00000000 00:00 0 \n400081f000-4000922000 r--p 00000000 fe:01 30316935 /lib/riscv64-linux-gnu/libc-2.32.so\n4000922000-4000926000 r--p 00102000 fe:01 30316935                       /lib/riscv64-linux-gnu/libc-2.32.so\n4000926000-4000928000 rw-p 00106000 fe:01 30316935                       /lib/riscv64-linux-gnu/libc-2.32.so\n4000928000-400092d000 rw-p 00000000 00:00 0 \n400092d000-40009af000 r--p 00000000 fe:01 30316943                       /lib/riscv64-linux-gnu/libm-2.32.so\n40009af000-40009b0000 r--p 00081000 fe:01 30316943                       /lib/riscv64-linux-gnu/libm-2.32.so\n40009b0000-40009b1000 rw-p 00082000 fe:01 30316943 /lib/riscv64-linux-gnu/libm-2.32.so\n40009b1000-40009c5000 r--p 00000000 fe:01 30316946                       /lib/riscv64-linux-gnu/libpthread-2.32.so\n40009c5000-40009c6000 r--p 00013000 fe:01 30316946                       /lib/riscv64-linux-gnu/libpthread-2.32.so\n40009c6000-40009c7000 rw-p 00014000 fe:01 30316946                       /lib/riscv64-linux-gnu/libpthread-2.32.so\n40009c7000-40009cb000 rw-p 00000000 00:00 0 \n40009cb000-40009cd000 r--p 00000000 fe:01 30316939                       /lib/riscv64-linux-gnu/libdl-2.32.so\n40009cd000-40009ce000 r--p 00001000 fe:01 30316939                       /lib/riscv64-linux-gnu/libdl-2.32.so\n40009ce000-40009cf000 rw-p 00002000 fe:01 30316939                       /lib/riscv64-linux-gnu/libdl-2.32.so\n40009cf000-40009d1000 rw-p 00000000 00:00 0 \n7fffe8000000-7fffeffff000 rwxp 00000000 00:00 0 \n7fffeffff000-7ffff0000000 ---p 00000000 00:00 0 \n7ffff0000000-7ffff0021000 rw-p 00000000 00:00 0 \n7ffff0021000-7ffff4000000 ---p 00000000 00:00 0 \n7ffff6b4b000-7ffff6b5b000 rw-p 00000000 00:00 0 \n7ffff71ff000-7ffff7200000 ---p 00000000 00:00 0 \n7ffff7200000-7ffff7a00000 rw-p 00000000 00:00 0\n7ffff7a00000-7ffff7a3c000 r--p 00000000 fe:01 30316953                   /qemu-riscv64-static\n7ffff7a3c000-7ffff7c74000 r-xp 0003c000 fe:01 30316953                   /qemu-riscv64-static\n7ffff7c74000-7ffff7d77000 r--p 00274000 fe:01 30316953                   /qemu-riscv64-static\n7ffff7d77000-7ffff7dce000 r--p 00377000 fe:01 30316953                   /qemu-riscv64-static\n7ffff7dce000-7ffff7df7000 rw-p 003ce000 fe:01 30316953                   /qemu-riscv64-static\n7ffff7df7000-7ffff7e0c000 rw-p 00000000 00:00 0                          [heap]\n7ffff7e0c000-7ffff7e70000 rw-p 00000000 00:00 0                          [heap]\n7ffff7f42000-7ffff7ff9000 rw-p 00000000 00:00 0 \n7ffff7ff9000-7ffff7ffd000 r--p 00000000 00:00 0                          [vvar]\n7ffff7ffd000-7ffff7fff000 r-xp 00000000 00:00 0                          [vdso]\n7ffffffde000-7ffffffff000 rw-p 00000000 00:00 0                          [stack]\nffffffffff600000-ffffffffff601000 --xp 00000000 00:00 0                  [vsyscall]\n", 4096) = 3608
    [pid  3126] read(4, "", 1024)           = 0
    [pid  3126] close(4)                    = 0
    [pid  3126] write(3, "10000-111000 r-xp 00000000 fe:01 30312571", 41) = 41
    [pid  3126] write(3, "                                /clickhouse\n", 44) = 44
    [pid  3126] write(3, "111000-119000 r--p 00100000 fe:01 30312571", 42) = 42
    [pid  3126] write(3, "                               /clickhouse\n", 43) = 43
    [pid  3126] write(3, "119000-11a000 rw-p 00108000 fe:01 30312571", 42) = 42
    [pid  3126] write(3, "                               /clickhouse\n", 43) = 43
    [pid  3126] write(3, "11a000-13d000 rw-p 00000000 00:00 0", 35) = 35
    [pid  3126] write(3, "                                      \n", 39) = 39
    [pid  3126] write(3, "4000000000-4000001000 ---p 00000000 00:00 0", 43) = 43
    [pid  3126] write(3, "                              \n", 31) = 31
    [pid  3126] write(3, "4000001000-4000801000 rw-p 00000000 00:00 0", 43) = 43
    [pid  3126] write(3, "                              [stack]\n", 38) = 38
    [pid  3126] write(3, "4000801000-400081a000 r-xp 00000000 fe:01 30316932", 50) = 50
    [pid  3126] write(3, "                       /lib/riscv64-linux-gnu/ld-2.32.so\n", 57 <unfinished ...>
    [pid  3127] <... clock_nanosleep resumed>0x7ffff79ff060) = 0
    [pid  3126] <... write resumed>)        = 57
    [pid  3127] clock_nanosleep(CLOCK_REALTIME, 0, {tv_sec=0, tv_nsec=10000000},  <unfinished ...>
    [pid  3126] write(3, "400081a000-400081b000 ---p 00000000 00:00 0", 43) = 43
    [pid  3126] write(3, "                              \n", 31) = 31
    [pid  3126] write(3, "400081b000-400081c000 r--p 00019000 fe:01 30316932", 50) = 50
    [pid  3126] write(3, "                       /lib/riscv64-linux-gnu/ld-2.32.so\n", 57) = 57
    [pid  3126] write(3, "400081c000-400081e000 rw-p 0001a000 fe:01 30316932", 50) = 50
    [pid  3126] write(3, "                       /lib/riscv64-linux-gnu/ld-2.32.so\n", 57) = 57
    [pid  3126] write(3, "400081e000-400081f000 r-xp 00000000 00:00 0", 43) = 43
    [pid  3126] write(3, "                              \n", 31) = 31
    [pid  3126] write(3, "400081f000-4000922000 r-xp 00000000 fe:01 30316935", 50) = 50
    [pid  3126] write(3, "                       /lib/riscv64-linux-gnu/libc-2.32.so\n", 59) = 59
    [pid  3126] write(3, "4000922000-4000926000 r--p 00102000 fe:01 30316935", 50) = 50
    [pid  3126] write(3, "                       /lib/riscv64-linux-gnu/libc-2.32.so\n", 59) = 59
    [pid  3126] write(3, "4000926000-4000928000 rw-p 00106000 fe:01 30316935", 50) = 50
    [pid  3126] write(3, "                       /lib/riscv64-linux-gnu/libc-2.32.so\n", 59) = 59
    [pid  3126] write(3, "4000928000-400092d000 rw-p 00000000 00:00 0", 43) = 43
    [pid  3126] write(3, "                              \n", 31) = 31
    [pid  3126] write(3, "400092d000-40009af000 r-xp 00000000 fe:01 30316943", 50) = 50
    [pid  3126] write(3, "                       /lib/riscv64-linux-gnu/libm-2.32.so\n", 59) = 59
    [pid  3126] write(3, "40009af000-40009b0000 r--p 00081000 fe:01 30316943", 50) = 50
    [pid  3126] write(3, "                       /lib/riscv64-linux-gnu/libm-2.32.so\n", 59) = 59
    [pid  3126] write(3, "40009b0000-40009b1000 rw-p 00082000 fe:01 30316943", 50) = 50
    [pid  3126] write(3, "                       /lib/riscv64-linux-gnu/libm-2.32.so\n", 59) = 59
    [pid  3126] write(3, "40009b1000-40009c5000 r-xp 00000000 fe:01 30316946", 50) = 50
    [pid  3126] write(3, "                       /lib/riscv64-linux-gnu/libpthread-2.32.so\n", 65) = 65
    [pid  3126] write(3, "40009c5000-40009c6000 r--p 00013000 fe:01 30316946", 50) = 50
    [pid  3126] write(3, "                       /lib/riscv64-linux-gnu/libpthread-2.32.so\n", 65) = 65
    [pid  3126] write(3, "40009c6000-40009c7000 rw-p 00014000 fe:01 30316946", 50) = 50
    [pid  3126] write(3, "                       /lib/riscv64-linux-gnu/libpthread-2.32.so\n", 65) = 65
    [pid  3126] write(3, "40009c7000-40009cb000 rw-p 00000000 00:00 0", 43) = 43
    [pid  3126] write(3, "                              \n", 31) = 31
    [pid  3126] write(3, "40009cb000-40009cd000 r-xp 00000000 fe:01 30316939", 50) = 50
    [pid  3126] write(3, "                       /lib/riscv64-linux-gnu/libdl-2.32.so\n", 60) = 60
    [pid  3126] write(3, "40009cd000-40009ce000 r--p 00001000 fe:01 30316939", 50) = 50
    [pid  3126] write(3, "                       /lib/riscv64-linux-gnu/libdl-2.32.so\n", 60) = 60
    [pid  3126] write(3, "40009ce000-40009cf000 rw-p 00002000 fe:01 30316939", 50) = 50
    [pid  3126] write(3, "                       /lib/riscv64-linux-gnu/libdl-2.32.so\n", 60) = 60
    [pid  3126] write(3, "40009cf000-40009d1000 rw-p 00000000 00:00 0", 43) = 43
    [pid  3126] write(3, "                              \n", 31) = 31

</details>

Signed-off-by: Azat Khuzhin <a.khuzhin@semrush.com>
2023-07-16 08:17:14 +02:00
..
antlr Update README.md 2022-11-02 23:38:03 +03:00
changelog Automatically correct some mistakes in the changelog 2023-03-27 14:48:05 +02:00
check-marks Prefix overridden add_executable() command with "clickhouse_" 2022-07-11 19:36:18 +02:00
check-mysql-binlog fix 2023-02-25 01:18:34 +01:00
check-style Merge branch 'master' into ADQM-950-B 2023-07-10 15:50:09 +08:00
checksum-for-compressed-block Support getHexUIntLowercase() with CityHash_v1_0_2::uint128 parameter. 2023-06-29 15:29:37 +02:00
ci-slack-bot limit size of messages from the CI slack bot 2023-04-13 23:28:03 +02:00
clickhouse-diagnostics Cleanup remote_servers in dist config.xml 2023-07-09 16:55:27 +02:00
compressor fix 2023-01-25 16:06:40 +01:00
config-processor Prefix overridden add_executable() command with "clickhouse_" 2022-07-11 19:36:18 +02:00
corrector_utf8 Prefix overridden add_executable() command with "clickhouse_" 2022-07-11 19:36:18 +02:00
debug_remote_fs_performance Resubmit prefetches 2023-02-08 21:26:24 +01:00
durability-test add waiting for fsync in WAL 2020-09-11 02:28:50 +03:00
grpc-client Apply black formatter to all *.py files in the repo 2022-03-22 17:39:58 +01:00
kafka Apply black formatter to all *.py files in the repo 2022-03-22 17:39:58 +01:00
keeper-bench Cleanup utils build 2023-05-06 17:11:06 +00:00
keeper-data-dumper Revert "Fix build" 2023-07-07 02:53:13 +03:00
keeper-overload Automatic style fix 2023-03-24 15:04:05 +00:00
list-licenses Improve system.licenses table 2023-05-03 03:12:53 +02:00
list-versions Update version_date.tsv and changelogs after v23.3.8.21-lts 2023-07-13 08:49:48 +00:00
memcpy-bench Fix FreeBSD build 2023-05-07 06:55:24 +00:00
postprocess-traces
report Install only "programs" directory during build 2023-02-15 11:49:19 +01:00
s3tools Update black version, run it for the repository 2023-03-24 11:54:38 +01:00
security-generator Mark all versions after the last supported as * 2023-05-03 19:25:27 +02:00
self-extracting-executable Skip protection from double decompression if inode from maps cannot be obtained 2023-07-16 08:17:14 +02:00
test_history apply black formatter 2023-03-23 15:33:23 +00:00
tests-visualizer Fix tests visualizer 2023-04-29 23:48:45 +02:00
trace-visualizer Fix typos in some js code and ignore some typos 2022-08-07 19:59:39 +00:00
wikistat-loader use std::lerp, constexpr hex.h 2023-03-07 22:50:17 +00:00
zero_copy Apply black formatter to all *.py files in the repo 2022-03-22 17:39:58 +01:00
zookeeper-cli Move LineReader/ReplxxLineReader out from base 2022-12-27 14:23:51 +01:00
zookeeper-dump-tree Prefix overridden add_executable() command with "clickhouse_" 2022-07-11 19:36:18 +02:00
zookeeper-remove-by-list Prefix overridden add_executable() command with "clickhouse_" 2022-07-11 19:36:18 +02:00
c++expr fix root CMakeLists.txt search 2022-05-26 04:39:02 +02:00
clickhouse-docker Change Docker org name 2021-09-20 01:52:21 +03:00
CMakeLists.txt Merge pull request #49620 from ClickHouse/rs/utils-not-by-default 2023-05-08 06:18:50 +03:00
data-lakes-importer.py Hudi tests 2023-03-21 12:51:14 +01:00