CVE-2024-26658 bcachefs: grab s_umount only if snapshotting

In the Linux kernel, the following vulnerability has been resolved: bcachefs: grab sumount only if snapshotting When I was testing mongodb over bcachefs with compression, there is a lockdep warning when snapshotting mongodb data volume. $ cat test.sh prog=bcachefs $prog subvolume create /mnt/data...

CVE-2023-52516 dma-debug: don't call __dma_entry_alloc_check_leak() under free_entries_lock

In the Linux kernel, the following vulnerability has been resolved: dma-debug: don't call dmaentryalloccheckleak under freeentrieslock dmaentryalloccheckleak calls into printk - serial console output qcom geni and grabs port-lock under freeentrieslock spin lock, which is a reverse locking...