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(parent: e17e8d4) | patch
lineedit: fix SEGV in isk, hexedit, ed, closes 11661
authorDenys Vlasenko <vda.linux@googlemail.com>
Mon, 4 Feb 2019 15:16:30 +0000 (16:16 +0100)
committerDenys Vlasenko <vda.linux@googlemail.com>
Mon, 4 Feb 2019 15:16:30 +0000 (16:16 +0100)
commit779f96a24c43209be841f9cc0e7715a2c57db487
tree0b58a75310a884b29556e4fd0904c3d2486c80a8tree | snapshot
parente17e8d4b7da27f28956253104218d53328f31995commit | diff
lineedit: fix SEGV in isk, hexedit, ed, closes 11661

fdisk, hexedit and ed calls read_line_edit in libbb/lineedit.c with NULL
as first argument. On line 2373 of lineedit.c of busybox version 1.29.3,
state->hist_file is referenced without checking the state->flag.

This causes segmentation fault on fdisk, hexedit and ed on ARM Cortex-A9.
It somehow works on x86_64.

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
libbb/lineedit.c diff | blob | history
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