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Pavel Snajdr
531572b590
There's an union in dbuf_dirty_record_t; dr_brtwrite could evaluate to B_TRUE if the dirty record is of another type than dl. Adding more explicit dr type check before trying to access dr_brtwrite. Fixes two similar panics: [ 1373.806119] VERIFY0(db->db_level) failed (0 == 1) [ 1373.807232] PANIC at dbuf.c:2549:dbuf_undirty() [ 1373.814979] dump_stack_lvl+0x71/0x90 [ 1373.815799] spl_panic+0xd3/0x100 [spl] [ 1373.827709] dbuf_undirty+0x62a/0x970 [zfs] [ 1373.829204] dmu_buf_will_dirty_impl+0x1e9/0x5b0 [zfs] [ 1373.831010] dnode_free_range+0x532/0x1220 [zfs] [ 1373.833922] dmu_free_long_range+0x4e0/0x930 [zfs] [ 1373.835277] zfs_trunc+0x75/0x1e0 [zfs] [ 1373.837958] zfs_freesp+0x9b/0x470 [zfs] [ 1373.847236] zfs_setattr+0x161a/0x3500 [zfs] [ 1373.855267] zpl_setattr+0x125/0x320 [zfs] [ 1373.856725] notify_change+0x1ee/0x4a0 [ 1373.859207] do_truncate+0x7f/0xd0 [ 1373.859968] do_sys_ftruncate+0x28e/0x2e0 [ 1373.860962] do_syscall_64+0x38/0x90 [ 1373.861751] entry_SYSCALL_64_after_hwframe+0x6e/0xd8 [ 1822.381337] VERIFY0(db->db_level) failed (0 == 1) [ 1822.382376] PANIC at dbuf.c:2549:dbuf_undirty() [ 1822.389232] dump_stack_lvl+0x71/0x90 [ 1822.389920] spl_panic+0xd3/0x100 [spl] [ 1822.399567] dbuf_undirty+0x62a/0x970 [zfs] [ 1822.400583] dmu_buf_will_dirty_impl+0x1e9/0x5b0 [zfs] [ 1822.401752] dnode_free_range+0x532/0x1220 [zfs] [ 1822.402841] dmu_object_free+0x74/0x120 [zfs] [ 1822.403869] zfs_znode_delete+0x75/0x120 [zfs] [ 1822.404906] zfs_rmnode+0x3f6/0x7f0 [zfs] [ 1822.405870] zfs_inactive+0xa3/0x610 [zfs] [ 1822.407803] zpl_evict_inode+0x3e/0x90 [zfs] [ 1822.408831] evict+0xc1/0x1c0 [ 1822.409387] do_unlinkat+0x147/0x300 [ 1822.410060] __x64_sys_unlinkat+0x33/0x60 [ 1822.410802] do_syscall_64+0x38/0x90 [ 1822.411458] entry_SYSCALL_64_after_hwframe+0x6e/0xd8 Reviewed-by: Alexander Motin <mav@FreeBSD.org> Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Reviewed-by: Brian Atkinson <batkinson@lanl.gov> Signed-off-by: Pavel Snajdr <snajpa@snajpa.net> Closes #15983
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 12.4-RELEASE.