# OpenZFS zfs-2.3.7

- Product: OpenZFS (https://whatsnew.fyi/product/openzfs)
- Vendor: OpenZFS
- Date: 2026-05-12
- Version: zfs-2.3.7
- Original notes: https://github.com/openzfs/zfs/releases/tag/zfs-2.3.7
- Permalink: https://whatsnew.fyi/product/openzfs/releases/zfs-2.3.7
- Labels: Platforms: Linux

What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog.

Reuse: the summaries, labels and curation here are © What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted — terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'.

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- **fixed** — don't add __GFP_RECLAIMABLE for KM_VMEM allocations
- **fixed** — don't add __GFP_COMP for KM_VMEM allocations
- **fixed** — don't pass __GFP_HIGHMEM to __vmalloc
- **fixed** — Fix uu_ident.c strchr()
- **changed** — follow symlinks when resolving path via statx in libspl/mnttab
- **fixed** — Fix vdev_rebuild_range() tx commit
- **fixed** — Fix redundant declaration of dsl_pool_t
- **changed** — access dentry d_alias directly for Linux 7.1
- **fixed** — Initialize vr_last_txg for rebuild
- **fixed** — Fix rare cksum errors after rebuild
- **fixed** — Fix 'kernel BUG at mm/usercopy.c'
- **fixed** — avoid UAF in dmu_write_direct_done()
- **fixed** — Prevent range tree corruption race by updating dnode_sync()
- **fixed** — use zfs_panic_recover() for partial-overlap remove in range_tree
- **fixed** — Fix read corruption after block clone after truncate
- **fixed** — Fix s_active leak in zfsvfs_hold() when z_unmounted is true
- **fixed** — fix memleak in spa_errlog.c
- **changed** — enforce SPDX license tags on build system files
- **changed** — draid: fix cksum errors after rebuild with degraded disks
- **fixed** — draid: fix import failure after disks replacements

###### Supported Platforms
- **Linux**: compatible with 4.18 - 7.0 kernels
- **FreeBSD**: compatible with releases starting from 13.3+, 14.0+

###### Changes
- kmem: don't add __GFP_RECLAIMABLE for KM_VMEM allocations #18107
- kmem: don't add __GFP_COMP for KM_VMEM allocations #18053
- kmem: don't pass __GFP_HIGHMEM to __vmalloc #18053
- [2.3.7-only] GCC: Fix uu_ident.c strchr()
- libspl/mnttab: follow symlinks when resolving path via statx (#18469)
- Fix vdev_rebuild_range() tx commit #18276
- Fix redundant declaration of dsl_pool_t #18263
- CI: FreeBSD 15.1 PRERELEASE (#18490)
- CI/GCC: Add Fedora 44, fix build errors and threadsappend #18478
- Linux 7.1: access dentry d_alias directly #18471
- Remove the obsolete FreeBSD 14.2-RELEASE from CI #18013
- During CI, use `nproc` instead of `sysctl -n hw.ncpu` #18012
- Initialize vr_last_txg for rebuild #18482
- Fix rare cksum errors after rebuild #18307 #18319 #18473
- ZTS: add targeted redundancy_draid_spare exception #18436
- build: use pax tar format for make dist
- CI: curl fallback, print killed tests, FreeBSD URL #18460
- Fix 'kernel BUG at mm/usercopy.c' #15918 #18408
- dmu_direct: avoid UAF in dmu_write_direct_done() #18440
- Prevent range tree corruption race by updating dnode_sync() #18235
- range_tree: use zfs_panic_recover() for partial-overlap remove #18255
- Fix read corruption after block clone after truncate #18412 #18421
- ZTS: add regression test for #17180 #18109
- Fix s_active leak in zfsvfs_hold() when z_unmounted is true #18309 #18310
- fix memleak in spa_errlog.c #18403
- [zfs-2.3.7] Whitelist some Makefile.am files from SPDX
- spdxcheck: enforce SPDX license tags on build system files #18077
- build: add SPDX license tags to build system files #18077
- CI: Add more debugging to qemu-1-setup.sh #18441
- CI: Do not set scheduler in qemu-1-setup.sh #18437
- CI: tolerate missing artifacts #18438
- Linux 7.0 compat: META #18435
- ZTS: resilver_restart_001 improvements #18434
- deb.am: propagate build errors in native-deb targets #18206 #18424
- draid: fix cksum errors after rebuild with degraded disks #18414
- RAIDZ: Remove some excessive logging #18059
- CI: set /etc/hostid in zloop runner #18413
- draid: allow seq resilver reads from degraded vdevs #18405
- Linux: Refactor zpl_fadvise() #18395
- linux/vfsops: remove zfs_mnt_t, pass directly #18377
- linux/super: work around kernels that enforce "forbidden" mount options #18377
- linux/super: implement new mount params parser #18377
- linux/super: match vfs_t lifetime to fs_context #18377
- linux/super: remove zpl_parse_monolithic #18377
- linux/vfsops: remove old options parser #18377
- linux/vfsops: add vfs_t allocator, make public #18377
- draid: fix import failure after disks replacements #18380
- Linux 7.0: ensure LSMs get to process mount options #18376
- dmu_tx: break tx assign/wait when pool suspends #17355
- dmu_tx: make DMU_TX_* flags an enum #17355
- txg_wait_synced_flags: add TXG_WAIT_SUSPEND flag to not wait if pool suspended #17355
- Linux 7.0: autoconf: Remove copy-from-user-inatomic API checks (#18348) (#18354)
- linux/super: flatten zpl_fill_super into zpl_get_tree #18339
- linux/super: flatten zpl_mount_impl into zpl_get_tree #18339
- linux/super: flatten mount/remount into get_tree/reconfigure #18339
- linux/super: remove support for old mount API #18339
- config: refuse to build without fs_context #18339
- Linux 7.0: also set setlease handler on directories (#18331)
- ZTS: Add back redundancy_draid_spare3 exception #18320
- ZTS: redundancy_draid_spare{1,3} exceptions #18308
- config: fix STATX_MNT_ID detection #18312
- draid: fix data corruption after disk clear #18286 #18294
- Fix deadlock on dmu_tx_assign() from vdev_rebuild() #18210 #18258
- dmu_tx_assign: make all VERIFY0 calls use DMU_TX_SUSPEND #17355
- README: describe specific kernels/distros we target #18295
- config: remove minimum kernel version check #18295
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_[Truncated at 4000 characters — full notes: https://github.com/openzfs/zfs/releases/tag/zfs-2.3.7]_