fix resize-related segfaults #7862
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closes neovim#7572 closes neovim#7579 closes neovim#7628 ASAN report: ==9500==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x6040000024c0 at pc 0x00000187d2ca bp 0x7fc3c6e58d10 sp 0x7fc3c6e58d08 READ of size 8 at 0x6040000024c0 thread T1 0 0x187d2c9 in ugrid_put /home/vagrant/neovim/build/../src/nvim/ugrid.c:107:17 1 0x1850adf in tui_put /home/vagrant/neovim/build/../src/nvim/tui/tui.c:1012:10 2 0x18a6ce6 in ui_bridge_put_event /home/vagrant/neovim/build/src/nvim/auto/ui_events_bridge.generated.h:154:3 3 0xa4dcda in multiqueue_process_events /home/vagrant/neovim/build/../src/nvim/event/multiqueue.c:150:7 4 0xa478bf in loop_poll_events /home/vagrant/neovim/build/../src/nvim/event/loop.c:63:3 5 0x185451c in tui_main /home/vagrant/neovim/build/../src/nvim/tui/tui.c:362:12 6 0x18a3080 in ui_thread_run /home/vagrant/neovim/build/../src/nvim/ui_bridge.c:106:3 7 0x7fc3caaac6b9 in start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x76b9) 8 0x7fc3c9ca33dc in clone /build/glibc-bfm8X4/glibc-2.23/misc/../sysdeps/unix/sysv/linux/x86_64/clone.S:109 0x6040000024c0 is located 0 bytes to the right of 48-byte region [0x604000002490,0x6040000024c0) allocated by thread T1 here: 0 0x50e048 in malloc (/home/vagrant/neovim/build/bin/nvim+0x50e048) 1 0xf7ab71 in try_malloc /home/vagrant/neovim/build/../src/nvim/memory.c:87:15 2 0xf7ad99 in xmalloc /home/vagrant/neovim/build/../src/nvim/memory.c:121:15 3 0x187937b in ugrid_resize /home/vagrant/neovim/build/../src/nvim/ugrid.c:32:17 4 0x184be58 in tui_resize /home/vagrant/neovim/build/../src/nvim/tui/tui.c:770:3 5 0x18a3dc8 in ui_bridge_resize_event /home/vagrant/neovim/build/src/nvim/auto/ui_events_bridge.generated.h:4:3 6 0xa4dcda in multiqueue_process_events /home/vagrant/neovim/build/../src/nvim/event/multiqueue.c:150:7 7 0xa478bf in loop_poll_events /home/vagrant/neovim/build/../src/nvim/event/loop.c:63:3 8 0x185451c in tui_main /home/vagrant/neovim/build/../src/nvim/tui/tui.c:362:12 9 0x18a3080 in ui_thread_run /home/vagrant/neovim/build/../src/nvim/ui_bridge.c:106:3 10 0x7fc3caaac6b9 in start_thread (/lib/x86_64-linux-gnu/libpthread.so.0+0x76b9) Thread T1 created by T0 here: 0 0x4655ed in __interceptor_pthread_create (/home/vagrant/neovim/build/bin/nvim+0x4655ed) 1 0x1ad87b0 in uv_thread_create /home/vagrant/neovim/.deps/build/src/libuv/src/unix/thread.c:75 2 0x184b9aa in tui_start /home/vagrant/neovim/build/../src/nvim/tui/tui.c:159:10 3 0x188dd4c in ui_builtin_start /home/vagrant/neovim/build/../src/nvim/ui.c:125:3 4 0xe6d399 in main /home/vagrant/neovim/build/../src/nvim/main.c:457:5 5 0x7fc3c9bbc82f in __libc_start_main /build/glibc-bfm8X4/glibc-2.23/csu/../csu/libc-start.c:291
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FEATURES: 3cc7ebf #7234 built-in VimL expression parser 6a7c904 #4419 implement <Cmd> key to invoke command in any mode b836328 #7679 'startup: treat stdin as text instead of commands' 58b210e :digraphs : highlight with hl-SpecialKey #2690 7a13611 #8276 'startup: Let `-s -` read from stdin' 1e71978 events: VimSuspend, VimResume #8280 1e7d5e8 #6272 'stdpath()' f96d99a #8247 server: introduce --listen e8c39f7 #8226 insert-mode: interpret unmapped META as ESC 98e7112 msg: do not scroll entire screen (#8088) f72630b #8055 let negative 'writedelay' show all redraws 5d2dd2e win: has("wsl") on Windows Subsystem for Linux #7330 a4f6cec cmdline: CmdlineEnter and CmdlineLeave autocommands (#7422) 207b7ca #6844 channels: support buffered output and bytes sockets/stdio API: f85cbea #7917 API: buffer updates 418abfc #6743 API: list information about all channels/jobs. 36b2e3f #8375 API: nvim_get_commands 273d2cd #8329 API: Make nvim_set_option() update `:verbose set …` 8d40b36 #8371 API: more reliable/descriptive VimL errors ebb1acb #8353 API: nvim_call_dict_function 9f994bb #8004 API: nvim_list_uis 3405704 #7520 API/UI: forward option updates to UIs 911b1e4 #7821 API: improve nvim_command_output WINDOWS OS: 9cefd83 #8084, #8516 build/win: support MSVC ee4e1fd win: Fix reading content from stdin (#8267) TUI: ffb8904 #8309 TUI: add support for mouse release events in urxvt 8d5a46e #8081 TUI: implement "standout" attribute 6071637 TUI: support TERM=konsole-256color 67848c0 #7653 TUI: report TUI info with -V3 ('verbose' >= 3) 3d0ee17 TUI/rxvt: enable focus-reporting d109f56 #7640 TUI: 'term' option: reflect effective terminal behavior FIXES: ed6a113 #8273 'job-control: avoid kill-timer race' 4e02f1a #8107 'jobs: separate process-group' 451c48a terminal: flush vterm output buffer on pty output #8486 5d6732f :checkhealth fixes #8335 53f11dc #8218 'Fix errors reported by PVS' d05712f inccommand: pause :terminal redraws (#8307) 51af911 inccommand: do not execute trailing commands #8256 84359a4 terminal: resize to the max dimensions (#8249) d49c1dd #8228 Make vim_fgets() return the same values as in Vim 60e96a4 screen: winhl=Normal:Background should not override syntax (#8093) 0c59ac1 #5908 'shada: Also save numbered marks' ba87a2c cscope: ignore EINTR while reading the prompt (#8079) b1412dc #7971 ':terminal Enter/Leave should not increment jumplist' 3a5721e TUI: libtermkey: force CSI driver for mouse input #7948 6ff13d7 #7720 TUI: faster startup 1c6e956 #7862 TUI: fix resize-related segfaults a58c909 #7676 TUI: always hide cursor when flushing, never flush buffers during unibilium output 303e1df #7624 TUI: disable BCE almost always 249bdb0 #7761 mark: Make sure that jumplist item will not have zero lnum 6f41ce0 #7704 macOS: Set $LANG based on the system locale a043899 #7633 'Retry fgets on EINTR' CHANGES: ad60927 #8304 default to 'nofsync' f3f1970 #8035 defaults: 'fillchars' a6052c7 #7984 defaults: sidescroll=1 b69fa86 #7888 defaults: enable cscopeverbose 7c4bb23 defaults: do :filetype stuff unless explicitly "off" 2aa308c #5658 'Apply :lmap in macros' 8ce6393 terminal: Leave 'relativenumber' alone (#8360) e46534b #4486 refactor: Remove maxmem, maxmemtot options 131aad9 win: defaults: 'shellcmdflag', 'shellxquote' #7343 c57d315 #8031 jobwait(): return -2 on interrupt also with timeout 6452831 clipboard: macOS: fallback to tmux if pbcopy is broken #7940 300d365 #7919 Make 'langnoremap' apply directly after a map ada1956 #7880 'lua/executor: Remove lightuserdata' INTERNAL: de0a954 #7806 internal statistics for list impl dee78a4 #7708 rewrite internal list impl
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Thanks to @oni-link .