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ea74cdedda
Bisecting identified the redacted send/receive as the source of the bug for issue #12014. Specifically the call to dsl_dataset_hold_obj(&fromds) has been replaced by dsl_dataset_hold_obj_flags() which passes a DECRYPT flag and creates a key mapping. A subsequent dsl_dataset_rele_flag(&fromds) is missing and the key mapping is not cleared. This may be inadvertedly used, which results in arc_untransform failing with ECKSUM in: arc_untransform+0x96/0xb0 [zfs] dbuf_read_verify_dnode_crypt+0x196/0x350 [zfs] dbuf_read+0x56/0x770 [zfs] dmu_buf_hold_by_dnode+0x4a/0x80 [zfs] zap_lockdir+0x87/0xf0 [zfs] zap_lookup_norm+0x5c/0xd0 [zfs] zap_lookup+0x16/0x20 [zfs] zfs_get_zplprop+0x8d/0x1d0 [zfs] setup_featureflags+0x267/0x2e0 [zfs] dmu_send_impl+0xe7/0xcb0 [zfs] dmu_send_obj+0x265/0x360 [zfs] zfs_ioc_send+0x10c/0x280 [zfs] Fix this by restoring the call to dsl_dataset_hold_obj(). The same applies for to_ds: here replace dsl_dataset_rele(&to_ds) with dsl_dataset_rele_flags(). Both leaked key mappings will cause a panic when exporting the sending pool or unloading the zfs module after a non-raw send from an encrypted filesystem. Contributions-by: Hank Barta <hbarta@gmail.com> Contributions-by: Paul Dagnelie <paul.dagnelie@klarasystems.com> Reviewed-by: Alexander Motin <mav@FreeBSD.org> Reviewed-by: Richard Yao <richard.yao@alumni.stonybrook.edu> Reviewed-by: Rob Norris <robn@despairlabs.com> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Signed-off-by: George Amanakis <gamanakis@gmail.com> Closes #12014 Closes #17340 |
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OpenZFS is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the OpenZFS community. This repository contains the code for running OpenZFS on Linux and FreeBSD.
Official Resources
- Documentation - for using and developing this repo
- ZoL Site - Linux release info & links
- Mailing lists
- OpenZFS site - for conference videos and info on other platforms (illumos, OSX, Windows, etc)
Installation
Full documentation for installing OpenZFS on your favorite operating system can be found at the Getting Started Page.
Contribute & Develop
We have a separate document with contribution guidelines.
We have a Code of Conduct.
Release
OpenZFS is released under a CDDL license.
For more details see the NOTICE, LICENSE and COPYRIGHT files; UCRL-CODE-235197
Supported Kernels
- The
METAfile contains the officially recognized supported Linux kernel versions. - Supported FreeBSD versions are any supported branches and releases starting from 13.0-RELEASE.