Public bug reported:
Binary package hint: util-linux
mkdosfs will segfault if I enter an invalid value for -b.
I had accidentally typed mkfs.vfat instead of mkfs.ext2 but then entered the -b
4096 option correctly and pressed Enter. The result was:
Segmentation fault (core dumped)
Of course, this occured because -b is also an option used by mkdosfs
(mkfs.vfat) so it was trying to use the sector value 4096, which I am
assuming is invalid.
Shouldn't mkdosfs be able to determine if a value for -b is invalid and
if so then fail gracefully?
Steps to replicate:
sudo mkdosfs -b 4096 /dev/sdx1 (where x = disk device, eg., sda1)
** Affects: util-linux (Ubuntu)
Importance: Undecided
Status: New
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mkdosfs segfault if enter invalid value for -b
https://bugs.launchpad.net/bugs/190125
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