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i3lock-color
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Free when layout mode is 1 

TODO: 2 still throws an error
This commit is contained in:
Raymond Li 2020-10-19 00:22:39 -04:00
parent 0489daa599
commit 3df046122a
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GPG Key ID: A014EA89B62BBB1B
1 changed files with 30 additions and 8 deletions
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38
i3lock.c
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@ -893,10 +893,36 @@ static void process_xkb_event(xcb_generic_event_t *gevent) {
event->state_notify.baseGroup,
event->state_notify.latchedGroup,
event->state_notify.lockedGroup);
if (layout_text != NULL) {
free(layout_text);
layout_text = NULL;
}
/* TODO: freeing layout_text when mode is 2 throws:
=================================================================
==2600==ERROR: AddressSanitizer: attempting free on address which was not malloc()-ed: 0x602000000919 in thread T0
#0 0x7f3065b0e7cf in __interceptor_free (/lib/x86_64-linux-gnu/libasan.so.5+0x10d7cf)
#1 0x55c93c97e736 in process_xkb_event ../../i3lock-color/i3lock.c:898
#2 0x55c93c980458 in xcb_check_cb ../../i3lock-color/i3lock.c:1237
#3 0x7f306512bbc2 in ev_invoke_pending (/lib/x86_64-linux-gnu/libev.so.4+0x5bc2)
#4 0x7f306512fb92 in ev_run (/lib/x86_64-linux-gnu/libev.so.4+0x9b92)
#5 0x55c93c97c00c in ev_loop /usr/include/ev.h:842
#6 0x55c93c986762 in main ../../i3lock-color/i3lock.c:2325
#7 0x7f3064de70b2 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x270b2)
#8 0x55c93c97920d in _start (/mnt/c/Users/raymo/Git/i3lock-color/build/i3lock+0x1520d)
0x602000000919 is located 9 bytes inside of 13-byte region [0x602000000910,0x60200000091d)
allocated by thread T0 here:
#0 0x7f3065b0ebc8 in malloc (/lib/x86_64-linux-gnu/libasan.so.5+0x10dbc8)
#1 0x55c93c99b20f in get_atom_name ../../i3lock-color/xcb.c:531
#2 0x55c93c99b9c2 in xcb_get_key_group_names ../../i3lock-color/xcb.c:607
#3 0x55c93c97c389 in get_keylayoutname ../../i3lock-color/i3lock.c:299
#4 0x55c93c984e44 in main ../../i3lock-color/i3lock.c:2118
#5 0x7f3064de70b2 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x270b2)
SUMMARY: AddressSanitizer: bad-free (/lib/x86_64-linux-gnu/libasan.so.5+0x10d7cf) in __interceptor_free
==2600==ABORTING
Not freeing results in memory leak.
*/
if (keylayout_mode == 1 && layout_text) {
free(layout_text);
layout_text = 0;
}
layout_text = get_keylayoutname(keylayout_mode, conn);
redraw_screen();
break;
@ -2328,10 +2354,6 @@ int main(int argc, char *argv[]) {
pam_end(pam_handle, PAM_SUCCESS);
}
#endif
if (layout_text != NULL) {
free(layout_text);
layout_text = NULL;
}
if (stolen_focus == XCB_NONE) {
return 0;