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maint-20
* raimo/asn1/fix-ber-decode-recursion/ERIERL-220/OTP-14440:
Fix NIF stack recursion bug and enforce a limit
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Fix recursion bug when decoding Constructed value within another
value - here the allowed buffer for the recursed decode shall
only be the size of the enclosing value, not the whole buffer.
Return ASN1_ERROR if BER decode recurses more than about 8 kWords.
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'ingela/inets/error-handling-eisdir-mod-get/ERIERL-207/OTP-15192' into maint-20
* ingela/inets/error-handling-eisdir-mod-get/ERIERL-207/OTP-15192:
inets: Prepare for release
inets: Improve error handling
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* sverker/crash-dump-crash-literals/OTP-15181:
erts: Fix bug in crash dump generation
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* sverker/ic/encode-long-buffer-overflow/OTP-15179:
ic: Tweak tests to provoke more outbuf reallocations
ic: Fix memory leak in oe_ei_decode_wstring
ic: Fix correct external format sizes
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* ingela/ssl/engine-vs-certfile/ERLERL-211/OTP-15193:
ssl: Engine key trumps certfile option
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* ingela/maint-20/chipher-suite-handling/OTP-15178:
ssl: Prepare for release
ssl: Fix test case to only check relevant info for the test
ssl: Correct connection_information on ECC-curves
ssl: No cipher suite sign restriction in TLS-1.2
ssl: Add psk as anonymous key exchange in ssl_handshake:select_hashsign/5
ssl: anon test should use dh or ecdh anon keyexchange
ssl: Correct key_usage check
ssl: Fix ECDSA key decode clause
ssl: Avoid hardcoding of cipher suites and fix ECDH suite handling
ssl: Run all test case combinations
ssl: Correct ECC suite and DTLS ECC handling
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* sverker/kernel/silence-dialyzer/OTP-15170:
kernel: Silence dialyzer
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* john/erts/inet-drv-race/OTP-15158/ERL-654:
Fix a race condition when generating async operation ids
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Symptom: emulator core dumps during crash dump generation.
Problem:
erts_dump_lit_areas did not grow correctly
to always be equal or larger than number of loaded modules.
The comment about twice the size to include both curr and old
did not seem right. The beam_ranges structure contains *all* loaded
module instances until they are removed when purged.
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Docs says min _memchunk is 32, so lets use that.
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longs, longlongs and wchar were too small on 64-bit
which could lead to potential buffer overflow at encoding.
__OE_DOUBLESZ__ was too big, probably due to old text format.
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Conflicts:
lib/ssl/test/ssl_basic_SUITE.erl
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Conflicts:
lib/ssl/test/ssl_ECC_SUITE.erl
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Failing to recognize psk as an anonymous key exchange would fail the connection
when trying to decode an undefined certificate.
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The Key Usage extension is described in section 4.2.1.3 of X.509, with the following possible flags:
KeyUsage ::= BIT STRING {
digitalSignature (0),
nonRepudiation (1), -- recent editions of X.509 have
-- renamed this bit to contentCommitment
keyEncipherment (2),
dataEncipherment (3),
keyAgreement (4),
keyCertSign (5),
cRLSign (6),
encipherOnly (7),
decipherOnly (8) }
In SSL/TLS, when the server certificate contains a RSA key, then:
either a DHE or ECDHE cipher suite is used, in which case the RSA key
is used for a signature (see section 7.4.3 of RFC 5246: the "Server
Key Exchange" message); this exercises the digitalSignature key usage;
or "plain RSA" is used, with a random value (the 48-byte pre-master
secret) being encrypted by the client with the server's public key
(see section 7.4.7.1 of RFC 5246); this is right in the definition of
the keyEncipherment key usage flag.
dataEncipherment does not apply, because what is encrypted is not
directly meaningful data, but a value which is mostly generated
randomly and used to derive symmetric keys. keyAgreement does not
apply either, because that one is for key agreement algorithms which
are not a case of asymmetric encryption (e.g. Diffie-Hellman). The
keyAgreement usage flag would appear in a certificate which contains a
DH key, not a RSA key. nonRepudiation is not used, because whatever is
signed as part of a SSL/TLS key exchange cannot be used as proof for a
third party (there is nothing in a SSL/TLS tunnel that the client
could record and then use to convince a judge when tring to sue the
server itself; the data which is exchanged within the tunnel is not
signed by the server).
When a ECDSA key is used then "keyAgreement" flag is needed for beeing
ECDH "capable" (as opposed to ephemeral ECDHE)
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ECDH suite handling did not use the EC parameters form the certs
as expected.
Conflicts:
lib/ssl/src/ssl_cipher.erl
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Fix test case code to use keyAgreement for ECDH_ECDSA
Conflicts:
lib/ssl/test/ssl_ECC.erl
lib/ssl/test/ssl_ECC_openssl_SUITE.erl
lib/ssl/test/ssl_to_openssl_SUITE.erl
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When test handling was corrected it was obvious that DTLS ECC handling
was not compleated.
Conflicts:
lib/ssl/src/ssl.erl
lib/ssl/test/Makefile
lib/ssl/test/ssl_ECC.erl
lib/ssl/test/ssl_ECC_SUITE.erl
lib/ssl/test/ssl_ECC_openssl_SUITE.erl
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into maint-20
* john/erts/fix-process-schedule-after-free/OTP-15067/ERL-573:
Don't enqueue system tasks if target process is in fail_state
Fix erroneous schedule of freed/exiting processes
Fix deadlock in run queue evacuation
Fix memory leak of processes that died in the run queue
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* sverker/ic/encode-atom-overrun/ERIERL-191/OTP-15160:
ic: Fix buffer overrun bug in oe_ei_encode_atom
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maint-20
* sverker/erl_interface/simultaneous-connect/OTP-15161:
erl_interface: Fix simultaneous connection setup
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* sverker/kernel/tick-fixes/OTP-15162:
kernel: Fix tick count bug when pending writes
kernel: Send tick to hidden node even if pending writes
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as c-nodes need ticks to send ticks.
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bug exists since OTP-20.3.4
1d3acb70debd134c8346b7e98347171d5cf6fc62
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The counter used for generating async operation ids was a plain int
shared between all ports, which was incorrect but mostly worked
fine since the ids only had to be unique on a per-port basis.
However, some compilers (notably GCC 8.1.1) generated code that
assumed that this value didn't change between reads. Using a
shortened version of enq_async_w_tmo as an example:
int id = async_ref++;
op->id = id; //A
return id; //B
In GCC 7 and earlier, `async_ref` would be read once and assigned
to `id` before being incremented, which kept the values at A and B
consistent. In GCC 8, `async_ref` was read when assigned at A and
read again at B, and then incremented, which made them inconsistent
if we raced with another port.
This commit fixes the issue by removing `async_ref` altogether and
replacing it with a per-port counter which makes it impossible to
race with someone else.
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* hans/ssh/sftp_ver4_xfer/ERIERL-199/OTP-15149:
ssh: Fix ssh_xfer decode_ATTR error for Vsn=4
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* hans/ssh/sftp_error_codes/ERIERL-194/OTP-15148:
ssh: Report the signal name if there is an exit-signal to sftpd
ssh: Bug fix sftp error codes
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maint-20
* hasse/syntax_tools/fix_map_type/OTP-15098/ERIERL-177:
syntax_tools: Fix a bug regarding reverting map types.
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* hans/ftp/socket_opts/ERIERL-192/OTP-15120:
ftp: Disallow 'packet_size' for low-level options
ftp: Socket options
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Report the signal name if the signal error message is ""
Do not report a return code of 0 as an error.
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