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Alexander Motin 5ff2249fa5 Fix use-after-free in case of L2ARC prefetch failure 
In case L2ARC read failed, l2arc_read_done() creates _different_ ZIO
to read data from the original storage device.  Unfortunately pointer
to the failed ZIO remains in hdr->b_l1hdr.b_acb->acb_zio_head, and if
some other read try to bump the ZIO priority, it will crash.

The problem is reproducible by corrupting L2ARC content and reading
some data with prefetch if l2arc_noprefetch tunable is changed to 0.
With the default setting the issue is probably not reproducible now.

Reviewed-by: Tom Caputi <tcaputi@datto.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Alexander Motin <mav@FreeBSD.org>
Sponsored-By: iXsystems, Inc.
Closes #9648
2019-12-03 09:59:30 -08:00
..
aggsum.c
OpenZFS 9688 - aggsum_fini leaks memory
2018-10-19 12:08:03 -07:00
arc.c
Fix use-after-free in case of L2ARC prefetch failure
2019-12-03 09:59:30 -08:00
blkptr.c
Undo c89 workarounds to match with upstream
2017-11-04 13:25:13 -07:00
bplist.c
Fast Clone Deletion
2019-07-26 10:54:14 -07:00
bpobj.c
Add subcommand to wait for background zfs activity to complete
2019-09-13 18:09:06 -07:00
bptree.c
Implement Redacted Send/Receive
2019-06-19 09:48:12 -07:00
bqueue.c
Implement Redacted Send/Receive
2019-06-19 09:48:12 -07:00
btree.c
Fix signature for private functions without header declarations
2019-10-16 18:34:19 -07:00
cityhash.c
OpenZFS 8484 - Implement aggregate sum and use for arc counters
2018-06-06 09:35:59 -07:00
dataset_kstats.c
Fix panic on DilOS with kstat per dataset statistics
2019-09-03 12:12:31 -07:00
dbuf_stats.c
Make module tunables cross platform
2019-09-05 14:49:49 -07:00
dbuf.c
Enable use of DTRACE_PROBE* macros in "spl" module
2019-11-01 13:13:43 -07:00
ddt_zap.c
fat zap should prefetch when iterating
2019-06-12 13:13:09 -07:00
ddt.c
Reduce loaded range tree memory usage
2019-10-09 10:36:03 -07:00
dmu_diff.c
Mark write_record static
2019-12-03 09:51:44 -08:00
dmu_object.c
Make module tunables cross platform
2019-09-05 14:49:49 -07:00
dmu_objset.c
Fix strdup conflict on other platforms
2019-10-10 09:47:06 -07:00
dmu_recv.c
Add zfs_file_* interface, remove vnodes
2019-11-21 09:32:57 -08:00
dmu_redact.c
Move objnode handling to common code
2019-09-12 13:31:09 -07:00
dmu_send.c
Don't call arc_buf_destroy on unallocated arc_buf
2019-10-23 15:26:17 -07:00
dmu_traverse.c
Make module tunables cross platform
2019-09-05 14:49:49 -07:00
dmu_tx.c
Enable use of DTRACE_PROBE* macros in "spl" module
2019-11-01 13:13:43 -07:00
dmu_zfetch.c
Make module tunables cross platform
2019-09-05 14:49:49 -07:00
dmu.c
Enable use of DTRACE_PROBE* macros in "spl" module
2019-11-01 13:13:43 -07:00
dnode_sync.c
Decrease contention on dn_struct_rwlock
2019-07-08 13:18:50 -07:00
dnode.c
Enable use of DTRACE_PROBE* macros in "spl" module
2019-11-01 13:13:43 -07:00
dsl_bookmark.c
Reduce loaded range tree memory usage
2019-10-09 10:36:03 -07:00
dsl_crypt.c
Add zfs_file_* interface, remove vnodes
2019-11-21 09:32:57 -08:00
dsl_dataset.c
Fix strdup conflict on other platforms
2019-10-10 09:47:06 -07:00
dsl_deadlist.c
Reduce loaded range tree memory usage
2019-10-09 10:36:03 -07:00
dsl_deleg.c
Reduce loaded range tree memory usage
2019-10-09 10:36:03 -07:00
dsl_destroy.c
Fix signature for private functions without header declarations
2019-10-16 18:34:19 -07:00
dsl_dir.c
Fix typos in module/zfs/
2019-09-02 17:56:41 -07:00
dsl_pool.c
Enable use of DTRACE_PROBE* macros in "spl" module
2019-11-01 13:13:43 -07:00
dsl_prop.c
Fix strdup conflict on other platforms
2019-10-10 09:47:06 -07:00
dsl_scan.c
Prevent unnecessary resilver restarts
2019-11-27 10:15:01 -08:00
dsl_synctask.c
Fix typos in module/zfs/
2019-09-02 17:56:41 -07:00
dsl_userhold.c
Fix strdup conflict on other platforms
2019-10-10 09:47:06 -07:00
edonr_zfs.c
DLPX-44812 integrate EP-220 large memory scalability
2016-11-29 14:34:27 -08:00
fm.c
Add zfs_file_* interface, remove vnodes
2019-11-21 09:32:57 -08:00
gzip.c
OpenZFS restructuring - move platform specific sources
2019-09-06 11:26:26 -07:00
hkdf.c
Encryption patch follow-up
2017-10-11 16:54:48 -04:00
lz4.c
Enable clang to use intrinsics for lz4
2019-10-01 13:17:32 -07:00
lzjb.c
Change KM_PUSHPAGE -> KM_SLEEP
2015-01-16 14:41:26 -08:00
Makefile.in
Reduce loaded range tree memory usage
2019-10-09 10:36:03 -07:00
metaslab.c
Add kmem cache accessors
2019-10-10 15:45:52 -07:00
mmp.c
Move linux specific mmp module_param_call handler to platform code
2019-10-16 18:37:31 -07:00
multilist.c
Enable use of DTRACE_PROBE* macros in "spl" module
2019-11-01 13:13:43 -07:00
objlist.c
Implement Redacted Send/Receive
2019-06-19 09:48:12 -07:00
pathname.c
Disable unused pathname::pn_path* (unneeded in Linux)
2019-07-15 13:57:56 -07:00
range_tree.c
Function name and comment updates
2019-10-11 10:13:21 -07:00
refcount.c
Prevent race in blkptr_verify against device removal
2019-08-13 21:24:43 -06:00
rrwlock.c
Enable use of DTRACE_PROBE* macros in "spl" module
2019-11-01 13:13:43 -07:00
sa.c
Reduce loaded range tree memory usage
2019-10-09 10:36:03 -07:00
sha256.c
OpenZFS restructuring - move platform specific sources
2019-09-06 11:26:26 -07:00
skein_zfs.c
DLPX-44812 integrate EP-220 large memory scalability
2016-11-29 14:34:27 -08:00
spa_boot.c
Add linux kernel module support
2010-08-31 13:41:58 -07:00
spa_checkpoint.c
Add subcommand to wait for background zfs activity to complete
2019-09-13 18:09:06 -07:00
spa_config.c
Add zfs_file_* interface, remove vnodes
2019-11-21 09:32:57 -08:00
spa_errlog.c
Fix typos in module/zfs/
2019-09-02 17:56:41 -07:00
spa_history.c
Fix strdup conflict on other platforms
2019-10-10 09:47:06 -07:00
spa_log_spacemap.c
Make module tunables cross platform
2019-09-05 14:49:49 -07:00
spa_misc.c
Add zfs_file_* interface, remove vnodes
2019-11-21 09:32:57 -08:00
spa.c
Prevent unnecessary resilver restarts
2019-11-27 10:15:01 -08:00
space_map.c
Reduce loaded range tree memory usage
2019-10-09 10:36:03 -07:00
space_reftree.c
Reduce loaded range tree memory usage
2019-10-09 10:36:03 -07:00
THIRDPARTYLICENSE.cityhash
OpenZFS 8484 - Implement aggregate sum and use for arc counters
2018-06-06 09:35:59 -07:00
THIRDPARTYLICENSE.cityhash.descrip
OpenZFS 8484 - Implement aggregate sum and use for arc counters
2018-06-06 09:35:59 -07:00
txg.c
Enable use of DTRACE_PROBE* macros in "spl" module
2019-11-01 13:13:43 -07:00
uberblock.c
MMP interval and fail_intervals in uberblock
2019-03-21 12:47:57 -07:00
unique.c
Reduce loaded range tree memory usage
2019-10-09 10:36:03 -07:00
vdev_cache.c
Reduce loaded range tree memory usage
2019-10-09 10:36:03 -07:00
vdev_indirect_births.c
Fixes: #8934 Large kmem_alloc
2019-07-10 15:54:49 -07:00
vdev_indirect_mapping.c
Get rid of space_map_update() for ms_synced_length
2019-02-12 10:38:11 -08:00
vdev_indirect.c
Make module tunables cross platform
2019-09-05 14:49:49 -07:00
vdev_initialize.c
Include prototypes for vdev_initialize
2019-10-31 10:09:01 -07:00
vdev_label.c
Add zfs_file_* interface, remove vnodes
2019-11-21 09:32:57 -08:00
vdev_mirror.c
Make module tunables cross platform
2019-09-05 14:49:49 -07:00
vdev_missing.c
Update vdev_ops_t from illumos
2019-06-20 18:29:02 -07:00
vdev_queue.c
Reduce loaded range tree memory usage
2019-10-09 10:36:03 -07:00
vdev_raidz_math_aarch64_neon_common.h
OpenZFS restructuring - move platform specific headers
2019-09-05 09:34:54 -07:00
vdev_raidz_math_aarch64_neon.c
Linux 5.0 compat: SIMD compatibility
2019-07-12 09:31:20 -07:00
vdev_raidz_math_aarch64_neonx2.c
Linux 5.0 compat: SIMD compatibility
2019-07-12 09:31:20 -07:00
vdev_raidz_math_avx2.c
OpenZFS restructuring - move platform specific headers
2019-09-05 09:34:54 -07:00
vdev_raidz_math_avx512bw.c
OpenZFS restructuring - move platform specific headers
2019-09-05 09:34:54 -07:00
vdev_raidz_math_avx512f.c
Make clang happy with vdev_raidz_ code
2019-10-10 09:45:37 -07:00
vdev_raidz_math_impl.h
codebase style improvements for OpenZFS 6459 port
2017-01-22 13:25:40 -08:00
vdev_raidz_math_scalar.c
Linux 5.3: Fix switch() fall though compiler errors
2019-08-21 09:29:23 -07:00
vdev_raidz_math_sse2.c
Make clang happy with vdev_raidz_ code
2019-10-10 09:45:37 -07:00
vdev_raidz_math_ssse3.c
OpenZFS restructuring - move platform specific headers
2019-09-05 09:34:54 -07:00
vdev_raidz_math.c
Wrap module_param_call() routines under __linux__
2019-12-03 09:56:15 -08:00
vdev_raidz.c
Reduce loaded range tree memory usage
2019-10-09 10:36:03 -07:00
vdev_removal.c
Enable use of DTRACE_PROBE* macros in "spl" module
2019-11-01 13:13:43 -07:00
vdev_root.c
Update vdev_ops_t from illumos
2019-06-20 18:29:02 -07:00
vdev_trim.c
Reduce loaded range tree memory usage
2019-10-09 10:36:03 -07:00
vdev.c
Prevent unnecessary resilver restarts
2019-11-27 10:15:01 -08:00
zap_leaf.c
Off-by-one in zap_leaf_array_create()
2019-01-18 09:58:46 -08:00
zap_micro.c
Reduce loaded range tree memory usage
2019-10-09 10:36:03 -07:00
zap.c
Make module tunables cross platform
2019-09-05 14:49:49 -07:00
zcp_get.c
Move get_temporary_prop to platform code
2019-10-10 15:59:34 -07:00
zcp_global.c
OpenZFS 8600 - ZFS channel programs - snapshot
2018-02-08 15:29:24 -08:00
zcp_iter.c
Fix typos in module/zfs/
2019-09-02 17:56:41 -07:00
zcp_synctask.c
OpenZFS 9166 - zfs storage pool checkpoint
2018-06-26 10:07:42 -07:00
zcp.c
Make module tunables cross platform
2019-09-05 14:49:49 -07:00
zfeature.c
Consistently captialize GUID for features
2019-04-16 10:01:51 -07:00
zfs_byteswap.c
Fix typos in module/zfs/
2019-09-02 17:56:41 -07:00
zfs_fm.c
Add zpool status -s (slow I/Os) and -p (parseable)
2018-11-08 16:47:24 -08:00
zfs_fuid.c
Reduce loaded range tree memory usage
2019-10-09 10:36:03 -07:00
zfs_ioctl.c
Move zfs_cmd_t copyin/copyout to platform code
2019-12-02 10:08:27 -08:00
zfs_log.c
Add zfs_file_* interface, remove vnodes
2019-11-21 09:32:57 -08:00
zfs_onexit.c
Move zfs_onexit_fd_hold to platform code
2019-10-13 19:19:39 -07:00
zfs_ratelimit.c
Change checksum & IO delay ratelimit values
2018-03-04 17:34:51 -08:00
zfs_replay.c
Add zfs_file_* interface, remove vnodes
2019-11-21 09:32:57 -08:00
zfs_rlock.c
Move platform specific parts of zfs_znode.h to platform code
2019-11-06 10:54:25 -08:00
zfs_sa.c
Add inode accessors to common code
2019-10-02 09:15:12 -07:00
zil.c
Improve logging of 128KB writes
2019-11-11 09:27:59 -08:00
zio_checksum.c
Fix typos in module/zfs/
2019-09-02 17:56:41 -07:00
zio_compress.c
Fix typos in module/zfs/
2019-09-02 17:56:41 -07:00
zio_inject.c
Fix typos in module/zfs/
2019-09-02 17:56:41 -07:00
zio.c
Enable use of DTRACE_PROBE* macros in "spl" module
2019-11-01 13:13:43 -07:00
zle.c
Fix zle_decompress out of bound access
2018-02-09 10:08:05 -08:00
zrlock.c
Enable use of DTRACE_PROBE* macros in "spl" module
2019-11-01 13:13:43 -07:00
zthr.c
Fast Clone Deletion
2019-07-26 10:54:14 -07:00
zvol.c
Move final zvol_remove_minors to common code
2019-10-25 13:42:54 -07:00