Headline
CVE-2022-0696: patch 8.2.4428: crash when switching tabpage while in the cmdline window · vim/vim@0f6e28f
NULL Pointer Dereference in GitHub repository vim/vim prior to 8.2.4428.
@@ -141,11 +141,7 @@ find_ucmd( /* * Look for buffer-local user commands first, then global ones. */ gap = #ifdef FEAT_CMDWIN is_in_cmdwin() ? &prevwin->w_buffer->b_ucmds : #endif &curbuf->b_ucmds; gap = &prevwin_curwin()->w_buffer->b_ucmds; for (;;) { for (j = 0; j < gap->ga_len; ++j) @@ -358,11 +354,7 @@ expand_user_command_name(int idx) get_user_commands(expand_T *xp UNUSED, int idx) { // In cmdwin, the alternative buffer should be used. buf_T *buf = #ifdef FEAT_CMDWIN is_in_cmdwin() ? prevwin->w_buffer : #endif curbuf; buf_T *buf = prevwin_curwin()->w_buffer;
if (idx < buf->b_ucmds.ga_len) return USER_CMD_GA(&buf->b_ucmds, idx)->uc_name; @@ -386,11 +378,7 @@ get_user_command_name(int idx, int cmdidx) if (cmdidx == CMD_USER_BUF) { // In cmdwin, the alternative buffer should be used. buf_T *buf = #ifdef FEAT_CMDWIN is_in_cmdwin() ? prevwin->w_buffer : #endif curbuf; buf_T *buf = prevwin_curwin()->w_buffer;
if (idx < buf->b_ucmds.ga_len) return USER_CMD_GA(&buf->b_ucmds, idx)->uc_name; @@ -478,11 +466,7 @@ uc_list(char_u *name, size_t name_len) garray_T *gap;
// In cmdwin, the alternative buffer should be used. gap = #ifdef FEAT_CMDWIN is_in_cmdwin() ? &prevwin->w_buffer->b_ucmds : #endif &curbuf->b_ucmds; gap = &prevwin_curwin()->w_buffer->b_ucmds; for (;;) { for (i = 0; i < gap->ga_len; ++i)
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