Commit 840549b8bc48e782f50baa38d316ce02db2b660a
2022-12-31T20:42:06
remove BUGS.md
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diff --git a/BUGS.md b/BUGS.md
deleted file mode 100644
index 38aec10..0000000
--- a/BUGS.md
+++ /dev/null
@@ -1,191 +0,0 @@
-# 1
-Use after free in libgit2 `git_config_parse` :
-
-```
-(gdb) bt
-#0 thrkill () at /tmp/-:3
-#1 0x0000004c6c60d2ae in _libc_abort ()
- at /usr/src/lib/libc/stdlib/abort.c:51
-#2 0x0000004c6c636757 in wrterror (d=Variable "d" is not available.
-)
- at /usr/src/lib/libc/stdlib/malloc.c:324
-#3 0x0000004c6c637c9f in ofree (argpool=0x4d1ec85300, p=Variable "p" is not available.
-)
- at /usr/src/lib/libc/stdlib/malloc.c:718
-#4 0x0000004c6c6372f3 in free (ptr=0x4d66950320)
- at /usr/src/lib/libc/stdlib/malloc.c:1584
-#5 0x0000004c3ee1f75f in stdalloc__free (ptr=0x4d66950320)
- at /home/dx/c/libgit2/libgit2/src/util/allocators/stdalloc.c:135
-#6 0x0000004c3ee7c70e in parse_variable (reader=0x4d1ec85488,
- var_name=0x4d1ec85420, var_value=0x4d1ec85418,
- line_len=0x4d1ec85400)
- at /home/dx/c/libgit2/libgit2/src/libgit2/config_parse.c:475
-#7 0x0000004c3ee7bfcb in git_config_parse (parser=0x4d1ec85488,
- on_section=0, on_variable=0x4c3ee78e40 <read_on_variable>,
- on_comment=0, on_eof=0, payload=0x4d1ec854c8)
- at /home/dx/c/libgit2/libgit2/src/libgit2/config_parse.c:561
-#8 0x0000004c3ee78e09 in config_file_read_buffer (
- entries=0x4d66949280, repo=0x4d6693fa00, file=0x4d6693cfa0,
- level=GIT_CONFIG_LEVEL_LOCAL, depth=0,
- buf=0x4d6693d900 "[core]\n\trepositoryformatversion = 0\n\tfilemode = true\n\tbare = true\n", buflen=66)
- at /home/dx/c/libgit2/libgit2/src/libgit2/config_file.c:858
-#9 0x0000004c3ee78cc8 in config_file_read (entries=0x4d66949280,
- repo=0x4d6693fa00, file=0x4d6693cfa0,
- level=GIT_CONFIG_LEVEL_LOCAL, depth=0)
- at /home/dx/c/libgit2/libgit2/src/libgit2/config_file.c:887
-#10 0x0000004c3ee78184 in config_file_open (cfg=0x4d6693c4b0,
- level=GIT_CONFIG_LEVEL_LOCAL, repo=0x4d6693fa00)
- at /home/dx/c/libgit2/libgit2/src/libgit2/config_file.c:124
-#11 0x0000004c3ee72af9 in git_config_add_backend (
- cfg=0x4d6696a880, backend=0x4d6693c4b0,
- level=GIT_CONFIG_LEVEL_LOCAL, repo=0x4d6693fa00, force=0)
- at /home/dx/c/libgit2/libgit2/src/libgit2/config.c:325
-#12 0x0000004c3ee729ae in git_config_add_file_ondisk (
- cfg=0x4d6696a880,
- path=0x4d6693d700 "/home/dx/erlang/kmx.io/kmxgit/priv/git/kmx.io/git-auth.git/config", level=GIT_CONFIG_LEVEL_LOCAL,
- repo=0x4d6693fa00, force=0)
- at /home/dx/c/libgit2/libgit2/src/libgit2/config.c:123
-#13 0x0000004c3ef1d425 in load_config (out=0x4d1ec85848,
- repo=0x4d6693fa00,
- global_config_path=0x4d66950180 "/home/dx/.gitconfig",
- xdg_config_path=0x0, system_config_path=0x0,
- programdata_path=0x0)
- at /home/dx/c/libgit2/libgit2/src/libgit2/repository.c:1134
-#14 0x0000004c3ef1d239 in git_repository_config__weakptr (
- out=0x4d1ec858f8, repo=0x4d6693fa00)
- at /home/dx/c/libgit2/libgit2/src/libgit2/repository.c:1203
-#15 0x0000004c3ee7723b in git_repository__configmap_lookup (
- out=0x4d1ec85944, repo=0x4d6693fa00,
- item=GIT_CONFIGMAP_FSYNCOBJECTFILES)
- at /home/dx/c/libgit2/libgit2/src/libgit2/config_cache.c:124
-#16 0x0000004c3eed5853 in git_odb__set_caps (odb=0x4d6694c700,
- caps=-1) at /home/dx/c/libgit2/libgit2/src/libgit2/odb.c:742
-#17 0x0000004c3ef1d9c2 in git_repository_odb__weakptr (
- out=0x4d1ec85a18, repo=0x4d6693fa00)
- at /home/dx/c/libgit2/libgit2/src/libgit2/repository.c:1276
-#18 0x0000004c3eed2010 in git_object_lookup_prefix (
- object_out=0x4d1ec85b38, repo=0x4d6693fa00, id=0x4d1ec85b10,
- len=40, type=GIT_OBJECT_BLOB)
- at /home/dx/c/libgit2/libgit2/src/libgit2/object.c:192
-#19 0x0000004c3eed234e in git_object_lookup (
- object_out=0x4d1ec85b38, repo=0x4d6693fa00, id=0x4d1ec85b10,
- type=GIT_OBJECT_BLOB)
- at /home/dx/c/libgit2/libgit2/src/libgit2/object.c:262
-#20 0x0000004c3eed3947 in git_blob_lookup (out=0x4d1ec85b38,
- repo=0x4d6693fa00, id=0x4d1ec85b10)
- at /home/dx/c/libgit2/libgit2/src/libgit2/object_api.c:122
-#21 0x0000004cb8929131 in content_nif (env=0x4d1ec869f0, argc=2,
- argv=0x4c4fd18300) at c_src/git_nif.c:134
-#22 0x0000004a28c2173e in process_main (esdp=0x4c95a2e900)
- at beam_cold.h:177
-#23 0x0000004a28bce2e3 in sched_thread_func (vesdp=0x4c95a2e900)
- at beam/erl_process.c:8656
-#24 0x0000004a28fdfe9c in thr_wrapper (vtwd=0x7f7ffffc2b08)
- at pthread/ethread.c:122
-#25 0x0000004d17d2ef01 in _rthread_start (v=Unhandled dwarf expression opcode 0xa3
-)
- at /usr/src/lib/librthread/rthread.c:96
-#26 0x0000004c6c5fd9ca in __tfork_thread ()
- at /usr/src/lib/libc/arch/amd64/sys/tfork_thread.S:84
-#27 0x0000004c6c5fd9ca in __tfork_thread ()
- at /usr/src/lib/libc/arch/amd64/sys/tfork_thread.S:84
-Previous frame identical to this frame (corrupt stack?)
-```
-
-```
-[info] GET /kmx.io/git-auth
-{:branches, "kmx.io/git-auth"}
-{:branches_nif, "priv/git/kmx.io/git-auth.git"}
-{:files, "kmx.io/git-auth", "master", "", "."}
-{:files_nif, "priv/git/kmx.io/git-auth.git", "master", ""}
-{:content, "kmx.io/git-auth", "47232bf062f109330b6ad8cacdc32 9285d9d2ce3"}
-{:content_nif, "priv/git/kmx.io/git-auth.git",
- "47232bf062f109330b6ad8cacdc329285d9d2ce3"}
-beam.smp(79169) in free(): write after free 0x119e2d08980
-Abort trap (core dumped)
-
-$ gdb /usr/local/lib/erlang24/erts-12.3.2.2/bin/beam.smp beam.smp.core
-(gdb) bt
-#0 thrkill () at /tmp/-:3
-#1 0x00000119451c12ae in _libc_abort ()
- at /usr/src/lib/libc/stdlib/abort.c:51
-#2 0x00000119451ea757 in wrterror (d=Variable "d" is not available.
-)
- at /usr/src/lib/libc/stdlib/malloc.c:324
-#3 0x00000119451ebc9f in ofree (argpool=0x1198fb07760, p=Variable "p" is not available.
-)
- at /usr/src/lib/libc/stdlib/malloc.c:718
-#4 0x00000119451eb2f3 in free (ptr=0x119ad7e8230)
- at /usr/src/lib/libc/stdlib/malloc.c:1584
-#5 0x00000119c93212cf in stdalloc__free (ptr=0x119ad7e8230)
- at /home/dx/c/libgit2/libgit2/src/util/allocators/stdalloc.c:135
-#6 0x00000119c937dee9 in parse_section_header (reader=0x1198fb078b8,
- section_out=0x1198fb07858)
- at /home/dx/c/libgit2/libgit2/src/libgit2/config_parse.c:216
-#7 0x00000119c937d9bb in git_config_parse (parser=0x1198fb078b8,
- on_section=0, on_variable=0x119c937a900 <read_on_variable>,
- on_comment=0, on_eof=0, payload=0x1198fb078f8)
- at /home/dx/c/libgit2/libgit2/src/libgit2/config_parse.c:536
-#8 0x00000119c937a8c9 in config_file_read_buffer (
- entries=0x11962309840, repo=0x11962301a00, file=0x11962304fa0,
- level=GIT_CONFIG_LEVEL_LOCAL, depth=0,
- buf=0x119e2cda000 "[core]\n\trepositoryformatversion = 0\n\tfilemode = true\n\tbare = true\n", buflen=66)
- at /home/dx/c/libgit2/libgit2/src/libgit2/config_file.c:858
-#9 0x00000119c937a788 in config_file_read (entries=0x11962309840,
- repo=0x11962301a00, file=0x11962304fa0,
- level=GIT_CONFIG_LEVEL_LOCAL, depth=0)
- at /home/dx/c/libgit2/libgit2/src/libgit2/config_file.c:887
-#10 0x00000119c9379c44 in config_file_open (cfg=0x119623044b0,
- level=GIT_CONFIG_LEVEL_LOCAL, repo=0x11962301a00)
- at /home/dx/c/libgit2/libgit2/src/libgit2/config_file.c:124
-#11 0x00000119c93745f9 in git_config_add_backend (cfg=0x119623340c0,
- backend=0x119623044b0, level=GIT_CONFIG_LEVEL_LOCAL,
- repo=0x11962301a00, force=0)
- at /home/dx/c/libgit2/libgit2/src/libgit2/config.c:325
-#12 0x00000119c93744ae in git_config_add_file_ondisk (cfg=0x119623340c0,
- path=0x119e2cf3b80 "/home/dx/erlang/kmx.io/kmxgit/priv/git/kmx.io/git-auth.git/config", level=GIT_CONFIG_LEVEL_LOCAL, repo=0x11962301a00,
- force=0) at /home/dx/c/libgit2/libgit2/src/libgit2/config.c:123
-#13 0x00000119c941dec5 in load_config (out=0x1198fb07c78,
- repo=0x11962301a00,
- global_config_path=0x11a001cbd20 "/home/dx/.gitconfig",
- xdg_config_path=0x0, system_config_path=0x0, programdata_path=0x0)
- at /home/dx/c/libgit2/libgit2/src/libgit2/repository.c:1134
-#14 0x00000119c941dcd9 in git_repository_config__weakptr (
- out=0x1198fb07d28, repo=0x11962301a00)
- at /home/dx/c/libgit2/libgit2/src/libgit2/repository.c:1203
-#15 0x00000119c9378d2b in git_repository__configmap_lookup (
- out=0x1198fb07d74, repo=0x11962301a00,
- item=GIT_CONFIGMAP_FSYNCOBJECTFILES)
- at /home/dx/c/libgit2/libgit2/src/libgit2/config_cache.c:124
-#16 0x00000119c93d7123 in git_odb__set_caps (odb=0x119e2d08c80, caps=-1)
- at /home/dx/c/libgit2/libgit2/src/libgit2/odb.c:742
-#17 0x00000119c941e432 in git_repository_odb__weakptr (
- out=0x1198fb07e48, repo=0x11962301a00)
- at /home/dx/c/libgit2/libgit2/src/libgit2/repository.c:1276
-#18 0x00000119c93d3980 in git_object_lookup_prefix (
- object_out=0x1198fb07f68, repo=0x11962301a00, id=0x1198fb07f40,
- len=40, type=GIT_OBJECT_BLOB)
- at /home/dx/c/libgit2/libgit2/src/libgit2/object.c:192
-#19 0x00000119c93d3cbe in git_object_lookup (object_out=0x1198fb07f68,
- repo=0x11962301a00, id=0x1198fb07f40, type=GIT_OBJECT_BLOB)
- at /home/dx/c/libgit2/libgit2/src/libgit2/object.c:262
-#20 0x00000119c93d52a7 in git_blob_lookup (out=0x1198fb07f68,
- repo=0x11962301a00, id=0x1198fb07f40)
- at /home/dx/c/libgit2/libgit2/src/libgit2/object_api.c:122
-#21 0x00000119bd498131 in content_nif (env=0x1198fb08e20, argc=2,
- argv=0x119c4f10240) at c_src/git_nif.c:134
-#22 0x0000011707dcc73e in process_main (esdp=0x1194d8085c0)
- at beam_cold.h:177
-#23 0x0000011707d792e3 in sched_thread_func (vesdp=0x1194d8085c0)
- at beam/erl_process.c:8656
-#24 0x000001170818ae9c in thr_wrapper (vtwd=0x7f7ffffdac18)
- at pthread/ethread.c:122
-#25 0x00000119d3864f01 in _rthread_start (v=Unhandled dwarf expression opcode 0xa3
-)
- at /usr/src/lib/librthread/rthread.c:96
-#26 0x00000119451b19ca in __tfork_thread ()
- at /usr/src/lib/libc/arch/amd64/sys/tfork_thread.S:84
-#27 0x00000119451b19ca in __tfork_thread ()
- at /usr/src/lib/libc/arch/amd64/sys/tfork_thread.S:84
-Previous frame identical to this frame (corrupt stack?)
-```