Revert "f2fs: block cache/dio write during f2fs_enable_checkpoint()"
3Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackepss 0.1%
probabilidade de exploração
0.1%top 99% das CVEs
exploração observada
nãonenhuma fonte reporta
In the Linux kernel, the following vulnerability has been resolved:
Revert "f2fs: block cache/dio write during f2fs_enable_checkpoint()"
This reverts commit 196c81fdd438f7ac429d5639090a9816abb9760a.
Original patch may cause below deadlock, revert it.
write remount
- write_begin
- lock_page --- lock A
- prepare_write_begin
- f2fs_map_lock
- f2fs_enable_checkpoint
- down_write(cp_enable_rwsem) --- lock B
- sync_inode_sb
- writepages
- lock_page --- lock A
- down_read(cp_enable_rwsem) --- lock A
Produtos afetados
Linux · Linux