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H A D | relocation.c | bb166d72 Fri Aug 25 00:15:14 CDT 2017 Naohiro Aota <naohiro.aota@wdc.com> btrfs: fix NULL pointer dereference from free_reloc_roots()
__del_reloc_root should be called before freeing up reloc_root->node. If not, calling __del_reloc_root() dereference reloc_root->node, causing the system BUG.
Fixes: 6bdf131fac23 ("Btrfs: don't leak reloc root nodes on error") Cc: <stable@vger.kernel.org> # 4.9 Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com> Reviewed-by: Nikolay Borisov <nborisov@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com> bb166d72 Fri Aug 25 00:15:14 CDT 2017 Naohiro Aota <naohiro.aota@wdc.com> btrfs: fix NULL pointer dereference from free_reloc_roots() __del_reloc_root should be called before freeing up reloc_root->node. If not, calling __del_reloc_root() dereference reloc_root->node, causing the system BUG. Fixes: 6bdf131fac23 ("Btrfs: don't leak reloc root nodes on error") Cc: <stable@vger.kernel.org> # 4.9 Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com> Reviewed-by: Nikolay Borisov <nborisov@suse.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
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