From 095c832e1d644c85e452527ffae43dce34b5075e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?John=20H=C3=B6gberg?= Date: Tue, 3 Jul 2018 13:16:33 +0200 Subject: Use fallback pollset for stdin and friends when using kqueue This is a hack to make the "noshell" option work; kqueue can poll these fds but will not report EV_EOF. This may be common to all all pipes but we have no way to tell whether an fd is a pipe or not. --- erts/emulator/sys/common/erl_poll.c | 17 +++++++++++++++++ erts/emulator/test/driver_SUITE.erl | 24 ++++++++++++++++++++++++ 2 files changed, 41 insertions(+) diff --git a/erts/emulator/sys/common/erl_poll.c b/erts/emulator/sys/common/erl_poll.c index 70b5532af9..b4d1575ee5 100644 --- a/erts/emulator/sys/common/erl_poll.c +++ b/erts/emulator/sys/common/erl_poll.c @@ -803,6 +803,23 @@ update_pollset(ErtsPollSet *ps, int fd, ErtsPollOp op, ErtsPollEvents events) struct kevent evts[2]; struct timespec ts = {0, 0}; + if (op == ERTS_POLL_OP_ADD) { + /* This is a hack to make the "noshell" option work; kqueue can poll + * these fds but will not report EV_EOF, so we return NVAL to use the + * fallback instead. + * + * This may be common to all pipes but we have no way to tell whether + * an fd is a pipe or not. */ + switch (fd) { + case STDIN_FILENO: + case STDOUT_FILENO: + case STDERR_FILENO: + return ERTS_POLL_EV_NVAL; + default: + break; + } + } + #if defined(EV_DISPATCH) && !defined(__OpenBSD__) /* If we have EV_DISPATCH we use it, unless we are on OpenBSD as the behavior of EV_EOF seems to be edge triggered there and we need it diff --git a/erts/emulator/test/driver_SUITE.erl b/erts/emulator/test/driver_SUITE.erl index 7aff3a6ea1..6f5d639d04 100644 --- a/erts/emulator/test/driver_SUITE.erl +++ b/erts/emulator/test/driver_SUITE.erl @@ -81,6 +81,7 @@ thr_msg_blast/1, consume_timeslice/1, env/1, + poll_pipe/1, z_test/1]). -export([bin_prefix/2]). @@ -168,6 +169,7 @@ all() -> %% Keep a_test first and z_test last... thr_msg_blast, consume_timeslice, env, + poll_pipe, z_test]. groups() -> @@ -2693,3 +2695,25 @@ rpc(Config, Fun) -> ct:fail(Other) end end. + +poll_pipe(Config) when is_list(Config) -> + %% ERL-647; we wouldn't see any events on EOF when polling a pipe using + %% kqueue(2). + case os:type() of + {unix, _} -> + Command = "erl -noshell -eval " + "'\"DATA\n\" = io:get_line(\"\")," + "eof = io:get_line(\"\")," + "halt()' <<< 'DATA'", + Ref = make_ref(), + Self = self(), + Pid = spawn(fun() -> os:cmd(Command), Self ! Ref end), + receive + Ref -> ok + after 5000 -> + exit(Pid, kill), + ct:fail("Stuck reading from stdin.") + end; + _ -> + {skipped, "Unix-only test"} + end. -- cgit v1.2.3 From 32d674c58ba0cfddb2d5e2e83a8bf3b9a70cce4d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?John=20H=C3=B6gberg?= Date: Thu, 12 Jul 2018 21:55:00 +0200 Subject: Fix a rare crash when matching on literal maps When matching on a literal map, the map is placed into the general scratch register first. This is fine in isolation, but when the key to be matched was in a Y register it would also be placed in the scratch register, overwriting the map and crashing the emulator. --- erts/emulator/beam/ops.tab | 5 +---- erts/emulator/test/map_SUITE.erl | 11 +++++++++++ 2 files changed, 12 insertions(+), 4 deletions(-) diff --git a/erts/emulator/beam/ops.tab b/erts/emulator/beam/ops.tab index 88ede3bb60..c51e4ef784 100644 --- a/erts/emulator/beam/ops.tab +++ b/erts/emulator/beam/ops.tab @@ -1421,16 +1421,13 @@ get_map_elements Fail Src Size Rest=* | map_key_sort(Size, Rest) => \ i_get_map_elements f? s I -i_get_map_element Fail Src=xy Key=y Dst => \ - move Key x | i_get_map_element Fail Src x Dst - i_get_map_element_hash Fail Src=c Key Hash Dst => \ move Src x | i_get_map_element_hash Fail x Key Hash Dst i_get_map_element_hash f? xy c I xy i_get_map_element Fail Src=c Key Dst => \ move Src x | i_get_map_element Fail x Key Dst -i_get_map_element f? xy x xy +i_get_map_element f? xy xy xy # # Convert the plus operations to a generic plus instruction. diff --git a/erts/emulator/test/map_SUITE.erl b/erts/emulator/test/map_SUITE.erl index f93c637650..d0a6763fe5 100644 --- a/erts/emulator/test/map_SUITE.erl +++ b/erts/emulator/test/map_SUITE.erl @@ -3080,8 +3080,19 @@ y_regs(Config) when is_list(Config) -> true = is_map(Map2) andalso is_map(Map4), + gurka = y_regs_literal(0), + gaffel = y_regs_literal(1), + ok. +y_regs_literal(Key) when is_integer(Key) -> + %% Forces the key to be placed in a Y register. + lists:seq(1, 2), + case is_map_key(Key, #{ 0 => 0 }) of + true -> gurka; + false -> gaffel + end. + y_regs_update(Map0, Val0) -> Val1 = {t,Val0}, K1 = id({key,1}), -- cgit v1.2.3 From 2e5e9cf29d67db7d9f85c3ae27c88ca3824e7496 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?John=20H=C3=B6gberg?= Date: Wed, 18 Jul 2018 13:55:16 +0200 Subject: Fix node crash on passing bad arguments to file:read_file_info/2 --- erts/preloaded/ebin/prim_file.beam | Bin 27740 -> 27800 bytes erts/preloaded/src/prim_file.erl | 21 +++++++++++++-------- lib/kernel/test/file_SUITE.erl | 4 ++++ 3 files changed, 17 insertions(+), 8 deletions(-) diff --git a/erts/preloaded/ebin/prim_file.beam b/erts/preloaded/ebin/prim_file.beam index f375c05c99..3316e4348c 100644 Binary files a/erts/preloaded/ebin/prim_file.beam and b/erts/preloaded/ebin/prim_file.beam differ diff --git a/erts/preloaded/src/prim_file.erl b/erts/preloaded/src/prim_file.erl index 41ff38359c..517ca74301 100644 --- a/erts/preloaded/src/prim_file.erl +++ b/erts/preloaded/src/prim_file.erl @@ -580,15 +580,20 @@ read_link_info(Name, Opts) -> read_info_1(Name, 0, proplist_get_value(time, Opts, local)). read_info_1(Name, FollowLinks, TimeType) -> - try read_info_nif(encode_path(Name), FollowLinks) of - {error, Reason} -> {error, Reason}; - FileInfo -> - CTime = from_posix_seconds(FileInfo#file_info.ctime, TimeType), - MTime = from_posix_seconds(FileInfo#file_info.mtime, TimeType), - ATime = from_posix_seconds(FileInfo#file_info.atime, TimeType), - {ok, FileInfo#file_info{ ctime = CTime, mtime = MTime, atime = ATime }} + try + case read_info_nif(encode_path(Name), FollowLinks) of + {error, Reason} -> + {error, Reason}; + FileInfo -> + CTime = from_posix_seconds(FileInfo#file_info.ctime, TimeType), + MTime = from_posix_seconds(FileInfo#file_info.mtime, TimeType), + ATime = from_posix_seconds(FileInfo#file_info.atime, TimeType), + {ok, FileInfo#file_info{ ctime = CTime, + mtime = MTime, + atime = ATime }} + end catch - error:badarg -> {error, badarg} + error:_ -> {error, badarg} end. write_file_info(Filename, Info) -> diff --git a/lib/kernel/test/file_SUITE.erl b/lib/kernel/test/file_SUITE.erl index 23913ac56a..e784c06865 100644 --- a/lib/kernel/test/file_SUITE.erl +++ b/lib/kernel/test/file_SUITE.erl @@ -1367,6 +1367,10 @@ file_info_basic_file(Config) when is_list(Config) -> io:put_chars(Fd1, "foo bar"), ok = ?FILE_MODULE:close(Fd1), + %% Don't crash the file server when passing incorrect arguments. + {error,badarg} = ?FILE_MODULE:read_file_info(Name, [{time, gurka}]), + {error,badarg} = ?FILE_MODULE:read_file_info([#{} | gaffel]), + %% Test that the file has the expected attributes. %% The times are tricky, so we will save them to a separate test case. {ok,FileInfo} = ?FILE_MODULE:read_file_info(Name), -- cgit v1.2.3 From 2e60c9c18acd4a671541556df5db60ee64fd550a Mon Sep 17 00:00:00 2001 From: Erlang/OTP Date: Wed, 18 Jul 2018 14:19:24 +0200 Subject: Update version numbers --- erts/vsn.mk | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/erts/vsn.mk b/erts/vsn.mk index 0abb06bdc1..ac464ea165 100644 --- a/erts/vsn.mk +++ b/erts/vsn.mk @@ -18,7 +18,7 @@ # %CopyrightEnd% # -VSN = 10.0.3 +VSN = 10.0.4 # Port number 4365 in 4.2 # Port number 4366 in 4.3 -- cgit v1.2.3 From 1abacb0e1d272840531b425eef90badd857b13d8 Mon Sep 17 00:00:00 2001 From: Erlang/OTP Date: Wed, 18 Jul 2018 14:19:31 +0200 Subject: Update release notes --- erts/doc/src/notes.xml | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/erts/doc/src/notes.xml b/erts/doc/src/notes.xml index ab10647245..9463947ab0 100644 --- a/erts/doc/src/notes.xml +++ b/erts/doc/src/notes.xml @@ -31,6 +31,34 @@

This document describes the changes made to the ERTS application.

+
Erts 10.0.4 + +
Fixed Bugs and Malfunctions + + +

Fixed a bug that prevented the noshell option + from working correctly on Mac OS X and BSD.

+

+ Own Id: OTP-15169

+ + +

Fixed a crash when matching directly against a literal + map using a single key that had been saved on the + stack.

+

+ Own Id: OTP-15184

+ + +

Fix node crash when passing a bad time option to + file:read_file_info/2.

+

+ Own Id: OTP-15196

+ + +
+ +
+
Erts 10.0.3
Fixed Bugs and Malfunctions -- cgit v1.2.3 From 4664de710ded469916fcc8f85d4e9791adc319e9 Mon Sep 17 00:00:00 2001 From: Erlang/OTP Date: Wed, 18 Jul 2018 14:19:33 +0200 Subject: Updated OTP version --- OTP_VERSION | 2 +- otp_versions.table | 1 + 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/OTP_VERSION b/OTP_VERSION index dc5d633cbf..f222bf6f4c 100644 --- a/OTP_VERSION +++ b/OTP_VERSION @@ -1 +1 @@ -21.0.3 +21.0.4 diff --git a/otp_versions.table b/otp_versions.table index a007aea4e9..ff5f4ea751 100644 --- a/otp_versions.table +++ b/otp_versions.table @@ -1,3 +1,4 @@ +OTP-21.0.4 : erts-10.0.4 # asn1-5.0.6 common_test-1.16 compiler-7.2.2 crypto-4.3 debugger-4.2.5 dialyzer-3.3 diameter-2.1.5 edoc-0.9.3 eldap-1.2.4 erl_docgen-0.8 erl_interface-3.10.3 et-1.6.2 eunit-2.3.6 ftp-1.0 hipe-3.18 inets-7.0 jinterface-1.9 kernel-6.0 megaco-3.18.3 mnesia-4.15.4 observer-2.8 odbc-2.12.1 os_mon-2.4.5 otp_mibs-1.2 parsetools-2.1.7 public_key-1.6.1 reltool-0.7.6 runtime_tools-1.13 sasl-3.2 snmp-5.2.11 ssh-4.7 ssl-9.0 stdlib-3.5.1 syntax_tools-2.1.5 tftp-1.0 tools-3.0 wx-1.8.4 xmerl-1.3.17 : OTP-21.0.3 : erts-10.0.3 # asn1-5.0.6 common_test-1.16 compiler-7.2.2 crypto-4.3 debugger-4.2.5 dialyzer-3.3 diameter-2.1.5 edoc-0.9.3 eldap-1.2.4 erl_docgen-0.8 erl_interface-3.10.3 et-1.6.2 eunit-2.3.6 ftp-1.0 hipe-3.18 inets-7.0 jinterface-1.9 kernel-6.0 megaco-3.18.3 mnesia-4.15.4 observer-2.8 odbc-2.12.1 os_mon-2.4.5 otp_mibs-1.2 parsetools-2.1.7 public_key-1.6.1 reltool-0.7.6 runtime_tools-1.13 sasl-3.2 snmp-5.2.11 ssh-4.7 ssl-9.0 stdlib-3.5.1 syntax_tools-2.1.5 tftp-1.0 tools-3.0 wx-1.8.4 xmerl-1.3.17 : OTP-21.0.2 : compiler-7.2.2 erts-10.0.2 public_key-1.6.1 stdlib-3.5.1 # asn1-5.0.6 common_test-1.16 crypto-4.3 debugger-4.2.5 dialyzer-3.3 diameter-2.1.5 edoc-0.9.3 eldap-1.2.4 erl_docgen-0.8 erl_interface-3.10.3 et-1.6.2 eunit-2.3.6 ftp-1.0 hipe-3.18 inets-7.0 jinterface-1.9 kernel-6.0 megaco-3.18.3 mnesia-4.15.4 observer-2.8 odbc-2.12.1 os_mon-2.4.5 otp_mibs-1.2 parsetools-2.1.7 reltool-0.7.6 runtime_tools-1.13 sasl-3.2 snmp-5.2.11 ssh-4.7 ssl-9.0 syntax_tools-2.1.5 tftp-1.0 tools-3.0 wx-1.8.4 xmerl-1.3.17 : OTP-21.0.1 : compiler-7.2.1 erts-10.0.1 # asn1-5.0.6 common_test-1.16 crypto-4.3 debugger-4.2.5 dialyzer-3.3 diameter-2.1.5 edoc-0.9.3 eldap-1.2.4 erl_docgen-0.8 erl_interface-3.10.3 et-1.6.2 eunit-2.3.6 ftp-1.0 hipe-3.18 inets-7.0 jinterface-1.9 kernel-6.0 megaco-3.18.3 mnesia-4.15.4 observer-2.8 odbc-2.12.1 os_mon-2.4.5 otp_mibs-1.2 parsetools-2.1.7 public_key-1.6 reltool-0.7.6 runtime_tools-1.13 sasl-3.2 snmp-5.2.11 ssh-4.7 ssl-9.0 stdlib-3.5 syntax_tools-2.1.5 tftp-1.0 tools-3.0 wx-1.8.4 xmerl-1.3.17 : -- cgit v1.2.3