https://bugs.kde.org/show_bug.cgi?id=452387
--- Comment #5 from tdk2...@gmail.com --- (In reply to Paul Floyd from comment #3) > A few words on what is happening. > > valgrind execs memcheck. memcheck loads the guest and ld.so and starts > running them in the Valgrind VM. ld.so then loads dependenv shared libs. > > I see libc being loaded (trimmed a bit): > --2019-- di_notify_mmap-1: 0x4853000-0x499efff r-x > --2019-- di_notify_mmap-2: /lib/libc-2.33.so > --2019-- di_notify_mmap-1: 0x4995000-0x4997fff rw- > --2019-- di_notify_mmap-2: /lib/libc-2.33.so > --2019-- di_notify_mmap-5: achieved accept state for /lib/libc-2.33.so > > The code that is failing is > > /* This could actually wrap around and cause > ML_(find_rx_mapping) to assert. But that seems so unlikely, > let's wait for it to happen before fixing it. */ > in_rx = (ML_(find_rx_mapping)( > di, > (*sym_avmas_out).main, > (*sym_avmas_out).main + *sym_size_out - 1) != NULL); > if (in_text) > vg_assert(in_rx); > > This is supposed to be finding the mapped memory for the rx mapping but for > some reason it is failing. > > Could you upload an attachment with the output when using '-d -d -d > --trace-symtab=yes' please? [root@unbm ~] $ /tmp/valgrind/bin/valgrind -d -d -d --trace-symtab=yes --error-limit=no --leak-check=full --tool=memcheck /tmp/ld-2.15.so /usr/bin/last --1637:1:debuglog DebugLog system started by Stage 1, level 3 logging requested --1637:1:launcher tool 'memcheck' requested --1637:2:launcher selecting platform for '/tmp/ld-2.15.so' --1637:2:launcher opened '/tmp/ld-2.15.so' --1637:2:launcher read 4096 bytes from '/tmp/ld-2.15.so' --1637:2:launcher selected platform 'arm-linux' --1637:1:launcher selected platform 'arm-linux' --1637:1:launcher launching /tmp/valgrind/libexec/valgrind/memcheck-arm-linux --1637:1:debuglog DebugLog system started by Stage 2 (main), level 3 logging requested --1637:1: main Welcome to Valgrind version 3.22.0 debug logging --1637:1: main Checking current stack is plausible --1637:1: main Checking initial stack was noted --1637:1: main Starting the address space manager --1637:2: aspacem sp_at_startup = 0x00be962b40 (supplied) --1637:2: aspacem minAddr = 0x0004000000 (computed) --1637:2: aspacem maxAddr = 0x00be961fff (computed) --1637:2: aspacem cStart = 0x0004000000 (computed) --1637:2: aspacem vStart = 0x00614b1000 (computed) --1637:2: aspacem suggested_clstack_end = 0x00bd962fff (computed) --1637:2: aspacem <<< SHOW_SEGMENTS: Initial layout (5 segments) --1637:2: aspacem 0 segment names in 0 slots --1637:2: aspacem freelist is empty --1637:2: aspacem 0: RSVN 0000000000-0003ffffff 64m ----- SmFixed --1637:2: aspacem 1: 0004000000-00614b0fff 1492m --1637:2: aspacem 2: RSVN 00614b1000-00614b1fff 4096 ----- SmFixed --1637:2: aspacem 3: 00614b2000-00be961fff 1492m --1637:2: aspacem 4: RSVN 00be962000-00ffffffff 1046m ----- SmFixed --1637:2: aspacem >>> --1637:2: aspacem Reading /proc/self/maps --1637:2: aspacem <<< SHOW_SEGMENTS: With contents of /proc/self/maps (13 segments) --1637:2: aspacem 1 segment names in 1 slots --1637:2: aspacem freelist is empty --1637:2: aspacem (0,4,3) /tmp/valgrind/libexec/valgrind/memcheck-arm-linux --1637:2: aspacem 0: RSVN 0000000000-0003ffffff 64m ----- SmFixed --1637:2: aspacem 1: 0004000000-0057ffffff 1344m --1637:2: aspacem 2: FILE 0058000000-0058232fff 2306048 r-x-- d=0x001 i=47517 o=0 (0,4) --1637:2: aspacem 3: 0058233000-005823afff 32768 --1637:2: aspacem 4: FILE 005823b000-005823cfff 8192 rw--- d=0x001 i=47517 o=2306048 (0,4) --1637:2: aspacem 5: ANON 005823d000-0058bacfff 9895936 rw--- --1637:2: aspacem 6: 0058bad000-00614b0fff 137m --1637:2: aspacem 7: RSVN 00614b1000-00614b1fff 4096 ----- SmFixed --1637:2: aspacem 8: 00614b2000-00be941fff 1492m --1637:2: aspacem 9: ANON 00be942000-00be962fff 135168 rw--- --1637:2: aspacem 10: RSVN 00be963000-00fffeffff 1046m ----- SmFixed --1637:2: aspacem 11: anon 00ffff0000-00ffff0fff 4096 r-x-- --1637:2: aspacem 12: RSVN 00ffff1000-00ffffffff 61440 ----- SmFixed --1637:2: aspacem >>> --1637:1: main Address space manager is running --1637:1: main Starting the dynamic memory manager --1637:1:mallocfr newSuperblock at 0x614B2000 (pszB 4194288) owner VALGRIND/core --1637:1:mallocfr deferred_reclaimSuperblock at 0x614B2000 (pszB 4194288) (prev 0x0) owner VALGRIND/core --1637:1: main Dynamic memory manager is running --1637:1: main Initialise m_debuginfo --1637:1: main VG_(libdir) = /tmp/valgrind/libexec/valgrind --1637:1: main Getting launcher's name ... --1637:1: main ... /tmp/valgrind/bin/valgrind --1637:1: main Get hardware capabilities ... --1637:1: machine ARMv7 VFP 1 VFP2 1 VFP3 1 NEON 1 --1637:1: cache Could not autodetect cache info --1637:1: main ... arch = ARM, hwcaps = ARMv7-neon-vfp --1637:1: main Getting the working directory at startup --1637:1: main ... /root --1637:1: main Split up command line --1637:1: main (early_) Process Valgrind's command line options --1637:1: main Create initial image --1637:1: initimg Loading client --1637:1: initimg Setup client env --1637:2: initimg preload_string: --1637:2: initimg "/tmp/valgrind/libexec/valgrind/vgpreload_core-arm-linux.so:/tmp/valgrind/libexec/valgrind/vgpreload_memcheck-arm-linux.so" --1637:1: initimg Setup client stack: size will be 8388608 --1637:2: initimg ARM has-neon from-auxv: YES --1637:2: initimg ARM has-tls from-auxv: YES --1637:2: initimg Client info: initial_IP=0x108C81 initial_TOC=0x0 brk_base=0x128000 --1637:2: initimg Client info: initial_SP=0xBD962BB0 max_stack_size=8388608 --1637:1: initimg Setup client data (brk) segment --1637:1: main Setup file descriptors --1637:1: main Create fake /proc/<pid>/cmdline --1637:1: main Create fake /proc/<pid>/auxv --1637:1: main Initialise the tool part 1 (pre_clo_init) --1637:1:mallocfr deferred_reclaimSuperblock NULL (prev 0x614B2000) owner VALGRIND/core --1637:1:mallocfr newSuperblock at 0x618B2000 (pszB 4194288) owner VALGRIND/core --1637:1: main Print help and quit, if requested --1637:1: main (main_) Process Valgrind's command line options, setup logging --1637:1: main Print the preamble... ==1637== Memcheck, a memory error detector ==1637== Copyright (C) 2002-2022, and GNU GPL'd, by Julian Seward et al. ==1637== Using Valgrind-3.22.0 and LibVEX; rerun with -h for copyright info ==1637== Command: /tmp/ld-2.15.so /usr/bin/last ==1637== --1637:1: main ...finished the preamble --1637:1: main Initialise the tool part 2 (post_clo_init) --1637:1: main Initialise TT/TC --1637-- TT/TC: cache: ignoring --avg-transtab-entry-size=0, using tool provided default 640 --1637-- TT/TC: cache: 32 sectors of 27,597,024 bytes each = 883,104,768 total TC --1637-- TT/TC: table: 32 tables[42588] of C 4,088,448 + H 851,760 bytes each = 158,086,656 total TT --1637-- TT/TC: table: 42588 tt entries each = 1,362,816 total tt entries --1637-- TT/TC: table: 32 htt[65521] of 131,042 bytes each = 4,193,344 total HTT (htt[65521] 65% max occup) --1637:1: main Initialise redirects --1637:1:mallocfr newSuperblock at 0x61D2D000 (pszB 1048560) owner VALGRIND/dinfo --1637:1: main Load initial debug info --1637-- di_notify_mmap-0: --1637-- di_notify_mmap-1: 0x108000-0x108fff r-x --1637-- di_notify_mmap-2: /tmp/ld-2.15.so --1637-- di_notify_mmap-3: is_rx_map 1, is_rw_map 0, is_ro_map 0 --1637-- check_elf_and_get_rw_loads: ++*rw_load_count to 1 for /tmp/ld-2.15.so p_vaddr 0x1ed70 p_offset 28016, p_filesz 0 --1637-- di_notify_mmap-4: noting details in DebugInfo* at 0x61D2D330 --1637-- di_notify_mmap-6: no dinfo loaded /tmp/ld-2.15.so (no rx or no rw mapping) --1637-- di_notify_mmap-0: --1637-- di_notify_mmap-1: 0x126000-0x126fff rw- --1637-- di_notify_mmap-2: /tmp/ld-2.15.so --1637-- di_notify_mmap-3: is_rx_map 0, is_rw_map 1, is_ro_map 0 --1637-- check_elf_and_get_rw_loads: ++*rw_load_count to 1 for /tmp/ld-2.15.so p_vaddr 0x1ed70 p_offset 28016, p_filesz 0 --1637-- di_notify_mmap-4: noting details in DebugInfo* at 0x61D2D330 --1637-- di_notify_mmap-5: achieved accept state for /tmp/ld-2.15.so ------ start ELF OBJECT ------------------------------------------------------- ------ name = /tmp/ld-2.15.so Un-de-overlapped _DebugInfoMappings: [0] avma 0x108000 size 4096 foff 0 rx -- -- [1] avma 0x126000 size 4096 foff 24576 -- rw -- De-overlapped DebugInfoMappings: [0] avma 0x108000 size 4096 foff 0 rx -- -- [1] avma 0x126000 size 4096 foff 24576 -- rw -- Checking that there are no remaining overlaps. Check successful. ------ Basic facts about the object ------ object: n_oimage 598333 phdr: ioff 52 nent 7 ent_szB 32 shdr: ioff 571300 nent 33 ent_szB 40 rx_map: avma 0x108000 size 4096 foff 0 rw_map: avma 0x126000 size 4096 foff 24576 shdr: string table at 570979 ------ Examining the program headers ------ PT_LOAD[1]: p_vaddr 0x0 (prev 0x0) PT_LOAD[1]: p_offset 0, p_filesz 312, perms r-x PT_LOAD[1]: acquired as rx, bias 0x108000 PT_LOAD[2]: p_vaddr 0x1ed70 (prev 0x0) PT_LOAD[2]: p_offset 28016, p_filesz 0, perms rw- PT_LOAD[2]: acquired as rw, bias 0x108000 No soname found; using (fake) "NONE" ------ Examining the section headers ------ rx: at 0x108000 are mapped foffsets 0 .. 4095 rx: contains these svma regions: svmas 0x0 .. 0x16b8f with bias 0x108000 rw: at 0x126000 are mapped foffsets 24576 .. 28671 rw: contains these svma regions: svmas 0x1ed70 .. 0x1f95f with bias 0x108000 [sec 0] rx al 0 foff 0 .. 0 svma 0x0 name "" zero sized section "", ignoring [sec 1] rx al 4 foff 276 .. 311 svma 0x114 name ".note.gnu.build-id" [sec 2] rx al 4 foff 312 .. 499 svma 0x138 name ".hash" [sec 3] rx al 4 foff 312 .. 527 svma 0x1F4 name ".gnu.hash" [sec 4] rx al 4 foff 312 .. 759 svma 0x2CC name ".dynsym" [sec 5] rx al 1 foff 312 .. 706 svma 0x48C name ".dynstr" [sec 6] rx al 2 foff 312 .. 367 svma 0x618 name ".gnu.version" [sec 7] rx al 4 foff 312 .. 403 svma 0x650 name ".gnu.version_d" [sec 8] rx al 4 foff 312 .. 463 svma 0x6AC name ".rel.dyn" [sec 9] rx al 4 foff 312 .. 359 svma 0x744 name ".rel.plt" [sec 10] rx al 4 foff 312 .. 415 svma 0x774 name ".plt" acquiring .plt avma = 0x108774 [sec 11] rx al 16 foff 312 .. 75819 svma 0x7E0 name ".text" acquiring .text svma = 0x7e0 .. 0x12ed3 acquiring .text avma = 0x1087e0 .. 0x11aed3 acquiring .text bias = 0x108000 [sec 12] rx al 4 foff 312 .. 15559 svma 0x12ED4 name ".rodata" acquiring .rodata svma = 0x12ed4 .. 0x16a63 acquiring .rodata avma = 0x11aed4 .. 0x11ea63 acquiring .rodata bias = 0x108000 [sec 13] rx al 4 foff 312 .. 395 svma 0x16A64 name ".ARM.extab" acquiring .extab svma = 0x16a64 .. 0x16ab7 acquiring .extab avma = 0x11ea64 .. 0x11eab7 acquiring .extab bias = 0x108000 [sec 14] rx al 4 foff 312 .. 527 svma 0x16AB8 name ".ARM.exidx" acquiring .exidx svma = 0x16ab8 .. 0x16b8f acquiring .exidx avma = 0x11eab8 .. 0x11eb8f acquiring .exidx bias = 0x108000 [sec 15] rw al 8 foff 28016 .. 28487 svma 0x1ED70 name ".data.rel.ro" [sec 16] rw al 4 foff 28016 .. 28199 svma 0x1EF48 name ".dynamic" [sec 17] rw al 4 foff 28016 .. 28087 svma 0x1F000 name ".got" acquiring .got avma = 0x127000 [sec 18] rw al 8 foff 28016 .. 30115 svma 0x1F048 name ".data" acquiring .data svma = 0x1f048 .. 0x1f87b acquiring .data avma = 0x127048 .. 0x12787b acquiring .data bias = 0x108000 [sec 19] rw al 4 foff 28016 .. 28243 svma 0x1F87C name ".bss" acquiring .bss svma = 0x1f87c .. 0x1f95f acquiring .bss avma = 0x12787c .. 0x12795f acquiring .bss bias = 0x108000 [sec 20] rx al 1 foff 312 .. 353 svma 0x0 name ".comment" [sec 21] rx al 1 foff 354 .. 408 svma 0x0 name ".ARM.attributes" [sec 22] rx al 8 foff 416 .. 3127 svma 0x0 name ".debug_aranges" [sec 23] rx al 1 foff 3128 .. 333824 svma 0x0 name ".debug_info" [sec 24] rx al 1 foff 333825 .. 366463 svma 0x0 name ".debug_abbrev" [sec 25] rx al 1 foff 366464 .. 417693 svma 0x0 name ".debug_line" [sec 26] rx al 4 foff 417696 .. 425975 svma 0x0 name ".debug_frame" [sec 27] rx al 1 foff 425976 .. 447239 svma 0x0 name ".debug_str" [sec 28] rx al 1 foff 447240 .. 548714 svma 0x0 name ".debug_loc" [sec 29] rx al 1 foff 548715 .. 570978 svma 0x0 name ".debug_ranges" [sec 30] rx al 1 foff 570979 .. 571297 svma 0x0 name ".shstrtab" [sec 31] rx al 4 foff 572620 .. 590459 svma 0x0 name ".symtab" [sec 32] rx al 1 foff 590460 .. 598332 svma 0x0 name ".strtab" .dynsym : ioff 312 .. 759 .dynstr : ioff 312 .. 706 .symtab : ioff 572620 .. 590459 .strtab : ioff 590460 .. 598332 --- Reading (ELF, standard) symbol table (1115 entries) --- raw symbol [ 1]: LOC SEC : svma 0x0000000114, sz 0 NONAME raw symbol [ 2]: LOC SEC : svma 0x0000000138, sz 0 NONAME raw symbol [ 3]: LOC SEC : svma 0x00000001f4, sz 0 NONAME raw symbol [ 4]: LOC SEC : svma 0x00000002cc, sz 0 NONAME raw symbol [ 5]: LOC SEC : svma 0x000000048c, sz 0 NONAME raw symbol [ 6]: LOC SEC : svma 0x0000000618, sz 0 NONAME raw symbol [ 7]: LOC SEC : svma 0x0000000650, sz 0 NONAME raw symbol [ 8]: LOC SEC : svma 0x00000006ac, sz 0 NONAME raw symbol [ 9]: LOC SEC : svma 0x0000000744, sz 0 NONAME raw symbol [ 10]: LOC SEC : svma 0x0000000774, sz 0 NONAME raw symbol [ 11]: LOC SEC : svma 0x00000007e0, sz 0 NONAME raw symbol [ 12]: LOC SEC : svma 0x0000012ed4, sz 0 NONAME raw symbol [ 13]: LOC SEC : svma 0x0000016a64, sz 0 NONAME raw symbol [ 14]: LOC SEC : svma 0x0000016ab8, sz 0 NONAME raw symbol [ 15]: LOC SEC : svma 0x000001ed70, sz 0 NONAME raw symbol [ 16]: LOC SEC : svma 0x000001ef48, sz 0 NONAME raw symbol [ 17]: LOC SEC : svma 0x000001f000, sz 0 NONAME raw symbol [ 18]: LOC SEC : svma 0x000001f048, sz 0 NONAME raw symbol [ 19]: LOC SEC : svma 0x000001f87c, sz 0 NONAME raw symbol [ 20]: LOC SEC : svma 0x0000000000, sz 0 NONAME raw symbol [ 21]: LOC SEC : svma 0x0000000000, sz 0 NONAME raw symbol [ 22]: LOC SEC : svma 0x0000000000, sz 0 NONAME raw symbol [ 23]: LOC SEC : svma 0x0000000000, sz 0 NONAME raw symbol [ 24]: LOC SEC : svma 0x0000000000, sz 0 NONAME raw symbol [ 25]: LOC SEC : svma 0x0000000000, sz 0 NONAME raw symbol [ 26]: LOC SEC : svma 0x0000000000, sz 0 NONAME raw symbol [ 27]: LOC SEC : svma 0x0000000000, sz 0 NONAME raw symbol [ 28]: LOC SEC : svma 0x0000000000, sz 0 NONAME raw symbol [ 29]: LOC SEC : svma 0x0000000000, sz 0 NONAME raw symbol [ 30]: LOC FIL : svma 0x0000000000, sz 0 rtld.c raw symbol [ 31]: LOC NOT : svma 0x0000000c80, sz 0 $t raw symbol [ 32]: LOC FUN : svma 0x00000039d5, sz 1296 _dl_start valgrind: m_debuginfo/readelf.c:719 (get_elf_symbol_info): Assertion 'in_rx' failed. Segmentation fault (core dumped) -- You are receiving this mail because: You are watching all bug changes.
