Description
In the Linux kernel, the following vulnerability has been resolved: ext4: fix deadlock when converting an inline directory in nojournal mode In no journal mode, ext4_finish_convert_inline_dir() can self-deadlock by calling ext4_handle_dirty_dirblock() when it already has taken the directory lock. There is a similar self-deadlock in ext4_incvert_inline_data_nolock() for data files which we'll fix at the same time. A simple reproducer demonstrating the problem: mke2fs -Fq -t ext2 -O inline_data -b 4k /dev/vdc 64 mount -t ext4 -o dirsync /dev/vdc /vdc cd /vdc mkdir file0 cd file0 touch file0 touch file1 attr -s BurnSpaceInEA -V abcde . touch supercalifragilisticexpialidocious
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Linux
Default version status: unaffected
3c47d54170b6a678875566b1b8d6dcf57904e49b to < b4fa4768c9acff77245d672d855d2c88294850b1affected3c47d54170b6a678875566b1b8d6dcf57904e49b to < 5f8b55136ad787aed2c184f7cb3e93772ae637a3affected3c47d54170b6a678875566b1b8d6dcf57904e49b to < 640c8c365999c6f23447ac766437236ad88317c5affected3c47d54170b6a678875566b1b8d6dcf57904e49b to < 665cc3ba50330049524c1d275bc840a8f28dde73affected3c47d54170b6a678875566b1b8d6dcf57904e49b to < 0b1c4357bb21d9770451a1bdb8d419ea10bada88affected3c47d54170b6a678875566b1b8d6dcf57904e49b to < 804de0c72cd473e186ca4e1f6287d45431b14e5aaffected3c47d54170b6a678875566b1b8d6dcf57904e49b to < f4ce24f54d9cca4f09a395f3eecce20d6bec4663affected
Linux Linux
Default version status: affected
3.8affected0 to < 3.8unaffected5.4.243 to ≤ 5.4.*unaffected5.10.180 to ≤ 5.10.*unaffected5.15.112 to ≤ 5.15.*unaffected6.1.29 to ≤ 6.1.*unaffected6.2.16 to ≤ 6.2.*unaffected6.3.3 to ≤ 6.3.*unaffected6.4 to ≤ *unaffected
References
- https://git.kernel.org/stable/c/b4fa4768c9acff77245d672d855d2c88294850b1 ↗
- https://git.kernel.org/stable/c/5f8b55136ad787aed2c184f7cb3e93772ae637a3 ↗
- https://git.kernel.org/stable/c/640c8c365999c6f23447ac766437236ad88317c5 ↗
- https://git.kernel.org/stable/c/665cc3ba50330049524c1d275bc840a8f28dde73 ↗
- https://git.kernel.org/stable/c/0b1c4357bb21d9770451a1bdb8d419ea10bada88 ↗
- https://git.kernel.org/stable/c/804de0c72cd473e186ca4e1f6287d45431b14e5a ↗
- https://git.kernel.org/stable/c/f4ce24f54d9cca4f09a395f3eecce20d6bec4663 ↗