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* essen/zlib-windowbits:
Update zlib:zwindowbits/0 type to accept 8 and -8
OTP-12564
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* seriyps/zlib-inflate-bound:
Add zlib limited output buffer size functionality
Conflicts:
erts/preloaded/ebin/zlib.beam
OTP-12548
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Commit 7e8f5a776cbfa376e03369d058a90c8dd9f217fc (importing R11B-3)
updated zlib, which had changed what values it accepts for window
bits from 9-15 to 8-15.
From deflate.c:
- windowBits < 9 || windowBits > 15 || level < 0 || level > 9 ||
- strategy < 0 || strategy > Z_HUFFMAN_ONLY) {
+ windowBits < 8 || windowBits > 15 || level < 0 || level > 9 ||
+ strategy < 0 || strategy > Z_FIXED) {
return Z_STREAM_ERROR;
}
+ if (windowBits == 8) windowBits = 9; /* until 256-byte window bug fixed */
In inflate.c 8 was already an accepted value.
This commit updates OTP to also accept the values 8 and -8.
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This functionality may be useful for compressed streams with high
compression ratio (in case of gzip it may be up to x1000), when
small amount of compressed data will produce large amount of
uncompressed output. This may lead to DoS attacks, because
server easily goes out of memory.
Example of such high compression ratio stream:
```
dd if=/dev/zero of=sparse.bin bs=1MB count=100 # 100mb of zeroes
gzip sparse.bin # 95kb sparse.bin.gz
$ erl
> {ok, Compressed} = file:read_file("sparse.bin.gz"),
> 97082 = size(Compressed),
> Uncompressed = zlib:gunzip(Compressed),
> 100000000 = iolist_size(Uncompressed).
```
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This patch allows checking for NIF API version in a way similar to
driver version. E.g. by calling erlang:system_info(nif_version).
Signed-off-by: Peter Lemenkov <[email protected]>
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* rickard/maint-17/eager-check-io/OTP-12117:
No eager check I/O on OSE
Introduce support for eager check I/O scheduling
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rickard/master/eager-check-io/OTP-12117
* rickard/maint-17/eager-check-io/OTP-12117:
No eager check I/O on OSE
Introduce support for eager check I/O scheduling
Conflicts:
erts/preloaded/ebin/erlang.beam
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rickard/maint-17/eager-check-io/OTP-12117
* rickard/eager-check-io/OTP-12117:
Introduce support for eager check I/O scheduling
Conflicts:
erts/emulator/beam/erl_bif_info.c
erts/emulator/beam/erl_init.c
erts/emulator/beam/erl_process.c
erts/preloaded/ebin/erlang.beam
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Conflicts:
erts/preloaded/ebin/erl_prim_loader.beam
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* lrascao/fix_bug_windows_directory_symlinks:
fix indentation, add comment describing windows symlink creation assumption
fix escript archive symlinked across drives
OTP-12155
OTP-12154
OTP-12153
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* egil/proc_lib-optimizations/OTP-12060:
stdlib: Update dependencies to erts-6.2
erts: Update preloaded erlang.beam
stdlib: Use erlang:fun_info_mfa/1 in proc_lib:init_p/3
erts: Test erlang:fun_info_mfa/1
erts: Introduce erlang:fun_info_mfa/1
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Conflicts:
erts/preloaded/ebin/prim_inet.beam
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Conflicts:
erts/doc/src/notes.xml
erts/preloaded/ebin/prim_inet.beam
erts/vsn.mk
lib/kernel/doc/src/notes.xml
lib/kernel/vsn.mk
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Specs for erlang:fun_info_mfa/1
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Introduced for proc_lib:init_p/3
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* nox/filelib-wildcard-broken-link:
Update stdlib appup file
Update runtime dependencies
Update preloaded
Add tests of filelib and symlinks
Fix handling of broken symlinks in filelib
Conflicts:
erts/preloaded/ebin/erl_prim_loader.beam
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This fixes a bug introduced in f11aabdc9fec593c31e6c4f3fa25c1707e9c35df where
filelib:eval_read_file_info/2 was made to use file:read_link_info/1 to never
follow symlinks. This fixed wildcard/1 but broke every other function using
eval_read_file_info/2.
Reported-by: Louis-Philippe Gauthier
Reported-by: Danil Zagoskin
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real_path method used while prim loading archive files was not taking into account
the fact that windows directory symlinks can be across different drives
(eg. c:\tmp\test is a symlink to j:\tmp\test). when performing a path split the drive
precedes the symlink, but that has be rewritten also since it's different. This issue
never arises in Unix since obviously there are no drives
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* maint:
Fix handling of latin1 characters in false ifdef branches
add_abstract_code: Remove 'from_asm' option
Remove documentation and stub for non-exist file:file_info/1
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* bjorn/erts/fix-prim_eval:
add_abstract_code: Remove 'from_asm' option
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The purpose of add_abstract_code is to give Dialyzer some
abstract code so that it will not fail fatally when analysing
prim_eval which was compiled from BEAM assembly.
But if Dialyzer were to pass along the compiler options
that the module was compiled with when translating the
abstract code to Core Erlang, the 'from_asm' option would
crash the compilation. Thus, since we are already cheating,
we should cheat a little bit more and also remove the
'from_asm' option.
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* rickard/invalid_bitstr_bifs/OTP-11942:
Remove invalid 'bitstr' exports in erlang.erl
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* rickard/binary_to_term_error/OTP-11931:
Replace erlang:binary_to_term() Erlang wrappers
Conflicts:
erts/preloaded/ebin/erts_internal.beam
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The dummy BIF exports 'erlang:bitstr_to_list/1' and 'erlang:list_to_bitstr/1'
seem to have appeared as a result of a copy-paste error and are now removed.
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Replace the 'erlang:binary_to_term/1' and 'erlang:binary_to_term/2'
Erlang wrappers taking care of failure after yield with management
of this in the hidden yield BIF.
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* maint:
Add erlang:system_info(tolerant_timeofday)
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* etsukata/system_info_tolerant_timeofday/OTP-11970:
Add erlang:system_info(tolerant_timeofday)
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OTP-11940
* sverk/better-module-info:
Remove obsolete 'imports' entry from module_info/1/2 functions
Add 'module' entry for module_info/0 function for completeness
Add 'md5' entry for module_info/0/1 functions.
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* egil/fix-erts_debug-size/OTP-11923:
erts: Update preloaded erts_internal.beam
erts: Add spec for erts_internal:map_to_tuple_keys/1
erts: Add testcase for erts_debug:size/1 Map terms
kernel: Fix erts_debug:size/1 to handle Map sizes
erts: Add erts_internal:map_to_tuple_keys/1
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