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When it called the "file:position", it subtract the size that was
read into the buffer, and returns the value.
However, it has been discarded buffer and correct position is lost,
if "file:postion" returns error.
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* derek121/getting-started-typos:
Fix typos
OTP-12478
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'dumbbell/mnesia-hang-if-remote-stopped-after-proto-negotiation' into maint
* dumbbell/mnesia-hang-if-remote-stopped-after-proto-negotiation:
mnesia: Check nodes after protocol negotiation
OTP-12473
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During Mnesia startup, after protocol negotiation, the list of connected
nodes is written to "recover_nodes". This list is later used to merge
the schema.
If Mnesia was stopped on a remote node between the protocol negotiation
and the moment the list is stored in "recover_nodes", the remote node
is still considered running: the value of "recover_nodes" stored during
mnesia_down/1 is overwritten. Therefore, this node may be used to
acquire a write lock on the schema in order to perform the merge. In
this case, the remote node never answers to the lock request and Mnesia
hang forever (application:start(mnesia) never returns).
To fix the problem, we check the list one last time and remove from it
all nodes where Mnesia is stopped. And because there is still a chance
for missing mnesia_down event, handle_cast({mnesia_down, ...}, ...)
writes to recover_nodes again, in addition to mnesia_down/1.
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Fixed a number of typos.
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* ia/ssl/timestamp:
ssl: erlang:timestamp -> os:timestamp
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For comparison with file time stamps os:timestamp makes more sense
and is present in 17 as well as 18.
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* ia/ssl/pem-cache/OTP-12464:
ssl: Improve PEM cache by validating entries
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The PEM cache is now validated by a background process, instead of
always keeping it if it is small enough and clearing it otherwhiss.
That strategy required that small caches where cleared by API function
if a file changes on disk.
However document the clearing API function as it can still be usefull.
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* hans/ssh/error_timeout/OTP-12369:
Fix ssh:connect erroneus error msg at timeout
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* scrapinghub/httpc_set_cookie_with_empty_values:
inets: parse correctly 'Set-Cookie' header with empty value
OTP-12455
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* bjorn/compiler/maps-comparison/OTP-12456:
Correct unsafe optimization of '==' and '/='
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Since '=:=' is cheaper than '==', the compiler tries to replace
'==' with '=:=' if the result of comparison will be the same.
As an example:
V == {a,b}
can be rewritten to:
V =:= {a,b}
since the literal on the right side contains no numeric values
that '==' would compare differently to '=:='.
With the introduction of maps, we will need to take them into
account. Since the comparison of maps is planned to change in 18.0,
we will be very conservative and only do the optimization if
both keys and values are non-numeric.
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httpc_cookie should parse cookies with empty values
and no attributes set in the 'Set-Cookie' headers.
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* bjorn/compiler/map-bugs/OTP-12451:
Be more careful about map patterns when evalutating element/2
Do not convert map patterns to map expressions
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We must not convert map patterns to map expressions.
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In code such as:
case {a,Map} of
{a,#{}}=T ->
T
end
we must NOT rewrite a map pattern to a map expression like this:
case Map of
#{} ->
{a,#{}}
end
because the pattern '#{}' will match any map, but the expression
'#{}' will construct an empty map.
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* ia/ssl/self-signed-root/OTP-12449:
ssl: Remove selfsigned anchor certificate from the certificate chain
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A selfsigned trusted anchor should not be in the certifcate chain passed to
the certificate path validation.
Conflicts:
lib/ssl/src/ssl_certificate.erl
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* egil/fix-getifaddrs-realloc/OTP-12445:
erts: Fix getifaddrs realloc ptr mismatch
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* egil/fix-child_setup-close/OTP-12446:
erts: Use closefrom() if available when closing fds
erts: Don't close all fds twice in child_setup
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* egil/fix-crashdump-epmd/OTP-12447:
erts: Check driver version before assigning callback
erts: Don't lookup invalid port for crashdump handling
erts: Reserve a file descriptor for the crashdump file
erts: Use emergency close to close epmd
erts: Extend driver interface with emergency_close
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'ia/maint/inets/invalid-content-length/mod_alias_https/consistent_keep_alive_timeout/OTP-12429/OTP-12436' into maint-17
* ia/maint/inets/invalid-content-length/mod_alias_https/consistent_keep_alive_timeout/OTP-12429/OTP-12436:
inets: Consistent view of configuration parameter keep_alive_timeout
inets: httpd - mod_alias now handles https URIs
inets: httpd - Sanity check of content-length header
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When a buffer was exhausted and subsequently a realloc, we could get
an invalid pointer.
For this to occur we would need to have a realloc to lower adresses.
The symptom would be garbage returned from erlang:port_control(Port, 25, [])
(prim_inet:getifaddrs(Port) resulting in a badarg) or a segmentation fault.
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Gracefully handle invalid content-lenght headers instead of
crashing in list_to_integer.
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* 0xAX/inets-typo-fix:
lib/inets: fix typo in httpd_load_test example
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closefrom() was only used in the vfork() case before, now also
used in the fork() case.
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The commit c2b4eab25c907f453a394d382c04cd04e6c06b49 introduced an error
in which child_setup erroneously tried to close all file descriptors twice.
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* s1n4/httpc_invalid_set_cookies/OTP-12430:
httpc: Avoid parsing invalid 'Set-Cookie' headers
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* sverk/port_get_data-race-r16b03/OTP-12208:
erts: Fix port data memory allocation bug
erts: Mend port_set_data with non-immed data for halfword VM
erts: Add test case for port_set_data and port_get_data
erts: Fix race between port_set_data, port_get_data and port termination
erts: Fix erlang:port_set_data/2 for non immediate data
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* marcus/16/fix-rebuild:
Sort keys before generating
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* ia/ssh/sftp-v3-flags:
ssh: Add some more flags
ssh: Correct Sftp flag handling
ssh: Add handling of sftp v3 flags
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* ia/ssl/maint/poddle/OTP-12420:
ssl: Reenable padding check for TLS-1.0 and provide backwards compatible disable option
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* egil/fix-lcnt/OTP-12364:
tools: Fix lcnt printout of histograms
tools: Fix lcnt sort of inspected locks
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