id	summary	reporter	owner	description	type	status	priority	milestone	component	version	resolution	keywords	cc	blockedby	blocking	branch_state	votes
3582	[PATCH] fix infopanel buffer overflow	and	andrew_b	"when using infopanel (C-x i) on a file that got deleted right now
buffer overflow occurs.

{{{
==13429==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x607000031c48 at pc 0x0000005fd41b bp 0x7ffca3f466c0 sp 0x7ffca3f466b8
WRITE of size 4 at 0x607000031c48 thread T0
    #0 0x5fd41a in dirsize_status_deinit_cb /tmp/portage/app-misc/mc-9999/work/mc-9999/src/filemanager/file.c:2557:24
    #1 0x7f333f2bda2f in status_msg_deinit /tmp/portage/app-misc/mc-9999/work/mc-9999/lib/widget/wtools.c:619:9
    #2 0x602fe3 in panel_operate_init_totals /tmp/portage/app-misc/mc-9999/work/mc-9999/src/filemanager/file.c:1352:9
    #3 0x5fe784 in panel_operate /tmp/portage/app-misc/mc-9999/work/mc-9999/src/filemanager/file.c:2840:13
    #4 0x528328 in copy_cmd /tmp/portage/app-misc/mc-9999/work/mc-9999/src/filemanager/cmd.c:797:9
    #5 0x528328 in midnight_execute_cmd /tmp/portage/app-misc/mc-9999/work/mc-9999/src/filemanager/midnight.c:1139
    #6 0x7f333f291949 in buttonbar_callback /tmp/portage/app-misc/mc-9999/work/mc-9999/lib/widget/buttonbar.c:172:42
    #7 0x7f333f296245 in send_message /tmp/portage/app-misc/mc-9999/work/mc-9999/lib/widget/../../lib/widget/widget-common.h:167:15
    #8 0x7f333f296245 in dlg_try_hotkey /tmp/portage/app-misc/mc-9999/work/mc-9999/lib/widget/dialog.c:464
    #9 0x7f333f296245 in dlg_key_event /tmp/portage/app-misc/mc-9999/work/mc-9999/lib/widget/dialog.c:509
    #10 0x7f333f296245 in dlg_process_event /tmp/portage/app-misc/mc-9999/work/mc-9999/lib/widget/dialog.c:1236
    #11 0x7f333f2979c7 in frontend_dlg_run /tmp/portage/app-misc/mc-9999/work/mc-9999/lib/widget/dialog.c:570:9
    #12 0x7f333f296565 in dlg_run /tmp/portage/app-misc/mc-9999/work/mc-9999/lib/widget/dialog.c:1267:5
    #13 0x4fc7b8 in create_panels_and_run_mc /tmp/portage/app-misc/mc-9999/work/mc-9999/src/filemanager/midnight.c:954:5
    #14 0x4fc7b8 in do_nc /tmp/portage/app-misc/mc-9999/work/mc-9999/src/filemanager/midnight.c:1757
    #15 0x4fc7b8 in main /tmp/portage/app-misc/mc-9999/work/mc-9999/src/main.c:401
    #16 0x7f333d7fc953 in __libc_start_main (/lib64/libc.so.6+0x20953)
    #17 0x4270e8 in _start (/tmp/portage/app-misc/mc-9999/work/mc-9999/src/.libs/mc+0x4270e8)
}}}

attached patch works for me (TM) but I don't know why WPanel is invalid in this case.
Maybe it is only a workaround for a hidden root cause.

"	defect	closed	major	4.8.16	mc-core	master	fixed					merged	committed-master