Re: [PATCH 1/5] btrfs-progs: Fix wrong address accessing by subthread in btrfs-convert

2015-07-24 Thread David Sterba
On Fri, Jul 24, 2015 at 09:16:25PM +0800, Zhaolei wrote: > From: Zhao Lei Good catch! > We can reproduce this bug by a simple script: > DEV=/dev/vdh > for ((i = 0; i < 100; i++)); do > echo "loop $i" > mkfs.ext4 "$DEV" &>/dev/null || { echo mkfs fail; break; } > btrfs-conve

[PATCH 1/5] btrfs-progs: Fix wrong address accessing by subthread in btrfs-convert

2015-07-24 Thread Zhaolei
From: Zhao Lei We can reproduce this bug by a simple script: DEV=/dev/vdh for ((i = 0; i < 100; i++)); do echo "loop $i" mkfs.ext4 "$DEV" &>/dev/null || { echo mkfs fail; break; } btrfs-convert "$DEV" || break done Result is like: loop 0 ... loop 1 ... loop 3