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mirror_zfs/module/zfs
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Alexander Motin 388ef045b2 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
2020-01-22 13:49:05 -08:00
..
abd.c single-chunk scatter ABDs can be treated as linear 2020-01-22 13:48:56 -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 2020-01-22 13:49:05 -08:00
blkptr.c Undo c89 workarounds to match with upstream 2017-11-04 13:25:13 -07:00
bplist.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
bpobj.c Stack overflow in recursive bpobj_iterate_impl 2019-03-06 09:50:55 -08:00
bptree.c Native Encryption for ZFS on Linux 2017-08-14 10:36:48 -07:00
bqueue.c Wait in 'S' state when send/recv pipe is blocking 2019-06-07 12:45:40 -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 2020-01-22 13:49:00 -08:00
dbuf_stats.c Prefix all refcount functions with zfs_ 2018-10-01 10:42:05 -07:00
dbuf.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
ddt_zap.c fat zap should prefetch when iterating 2019-09-25 11:27:47 -07:00
ddt.c ztest: scrub ddt repair 2019-01-17 15:25:00 -08:00
dmu_diff.c diff_cb() does not handle large dnodes 2020-01-22 13:49:01 -08:00
dmu_object.c Fix send/recv lost spill block 2019-05-07 15:18:44 -07:00
dmu_objset.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
dmu_recv.c Always refuse receving non-resume stream when resume state exists 2019-09-25 11:27:51 -07:00
dmu_send.c Fix send/recv lost spill block 2019-05-07 15:18:44 -07:00
dmu_traverse.c Fix traverse_impl() kmem leak 2018-08-15 09:53:44 -07:00
dmu_tx.c Improve performance by using dmu_tx_hold_*_by_dnode() 2019-09-25 11:27:50 -07:00
dmu_zfetch.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
dmu.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
dnode_sync.c Reinstate raw receive check when truncating 2019-06-07 12:45:40 -07:00
dnode.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
dsl_bookmark.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
dsl_crypt.c Fix 'zfs change-key' with unencrypted child 2020-01-22 13:49:03 -08:00
dsl_dataset.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
dsl_deadlist.c OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
dsl_deleg.c Update build system and packaging 2018-05-29 16:00:33 -07:00
dsl_destroy.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
dsl_dir.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
dsl_pool.c dmu_tx_wait() hang likely due to cv_signal() in dsl_pool_dirty_delta() 2020-01-22 13:48:57 -08:00
dsl_prop.c Update build system and packaging 2018-05-29 16:00:33 -07:00
dsl_scan.c Fix stalled txg with repeated noop scans 2020-01-22 13:49:00 -08:00
dsl_synctask.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
dsl_userhold.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
edonr_zfs.c DLPX-44812 integrate EP-220 large memory scalability 2016-11-29 14:34:27 -08:00
fm.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
gzip.c Update build system and packaging 2018-05-29 16:00:33 -07:00
hkdf.c Encryption patch follow-up 2017-10-11 16:54:48 -04:00
lz4.c Reword comment in lz4_compress_zfs 2019-05-02 16:46:04 -07:00
lzjb.c Change KM_PUSHPAGE -> KM_SLEEP 2015-01-16 14:41:26 -08:00
Makefile.in Add TRIM support 2019-03-29 09:13:20 -07:00
metaslab.c Prevent metaslab_sync panic due to spa_final_dirty_txg 2020-01-22 13:48:58 -08:00
mmp.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
multilist.c Avoid extra taskq_dispatch() calls by DMU 2019-09-25 11:27:48 -07:00
pathname.c Disable unused pathname::pn_path* (unneeded in Linux) 2019-09-25 11:27:49 -07:00
policy.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
qat_compress.c QAT related bug fixes 2019-09-25 11:27:51 -07:00
qat_crypt.c QAT related bug fixes 2019-09-25 11:27:51 -07:00
qat.c QAT related bug fixes 2019-09-25 11:27:51 -07:00
qat.h Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
range_tree.c Restrict kstats and print real pointers 2019-04-04 18:57:06 -07:00
refcount.c Prevent race in blkptr_verify against device removal 2020-01-22 13:48:57 -08:00
rrwlock.c Prefix all refcount functions with zfs_ 2018-10-01 10:42:05 -07:00
sa.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
sha256.c SHA256 QAT acceleration 2018-03-15 10:53:58 -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 Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
spa_config.c Fix /etc/hostid on root pool deadlock 2019-09-25 11:27:51 -07:00
spa_errlog.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
spa_history.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
spa_misc.c Prevent race in blkptr_verify against device removal 2020-01-22 13:48:57 -08:00
spa_stats.c Restrict kstats and print real pointers 2019-04-04 18:57:06 -07:00
spa.c Fix pool creation with feature@allocation_classes disabled 2020-01-22 13:49:02 -08:00
space_map.c Restrict kstats and print real pointers 2019-04-04 18:57:06 -07:00
space_reftree.c OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -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
trace.c OpenZFS 7614, 9064 - zfs device evacuation/removal 2018-04-14 12:16:17 -07:00
txg.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
uberblock.c MMP interval and fail_intervals in uberblock 2019-03-21 12:47:57 -07:00
unique.c Performance optimization of AVL tree comparator functions 2016-08-31 14:35:34 -07:00
vdev_cache.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
vdev_disk.c Remove zfs_vdev_elevator module option 2020-01-22 13:49:04 -08:00
vdev_file.c Update vdev_ops_t from illumos 2019-09-25 11:27:48 -07:00
vdev_indirect_births.c Fixes: #8934 Large kmem_alloc 2019-09-25 11:27:49 -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 Update vdev_ops_t from illumos 2019-09-25 11:27:48 -07:00
vdev_initialize.c Include prototypes for vdev_initialize 2020-01-22 13:49:03 -08:00
vdev_label.c panic in removal_remap test on 4K devices 2019-09-25 11:27:47 -07:00
vdev_mirror.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
vdev_missing.c Update vdev_ops_t from illumos 2019-09-25 11:27:48 -07:00
vdev_queue.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
vdev_raidz_math_aarch64_neon_common.h Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
vdev_raidz_math_aarch64_neon.c Linux 5.0 compat: SIMD compatibility 2020-01-22 13:49:01 -08:00
vdev_raidz_math_aarch64_neonx2.c Linux 5.0 compat: SIMD compatibility 2020-01-22 13:49:01 -08:00
vdev_raidz_math_avx2.c Linux 5.0 compat: SIMD compatibility 2020-01-22 13:49:01 -08:00
vdev_raidz_math_avx512bw.c Linux 5.0 compat: SIMD compatibility 2020-01-22 13:49:01 -08:00
vdev_raidz_math_avx512f.c Linux 5.0 compat: SIMD compatibility 2020-01-22 13:49:01 -08:00
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 2019-09-25 11:27:50 -07:00
vdev_raidz_math_sse2.c Linux 5.0 compat: SIMD compatibility 2020-01-22 13:49:01 -08:00
vdev_raidz_math_ssse3.c Linux 5.0 compat: SIMD compatibility 2020-01-22 13:49:01 -08:00
vdev_raidz_math.c Linux 5.0 compat: SIMD compatibility 2020-01-22 13:49:01 -08:00
vdev_raidz.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
vdev_removal.c Device removal of indirect vdev panics the kernel 2020-01-22 13:49:01 -08:00
vdev_root.c Update vdev_ops_t from illumos 2019-09-25 11:27:48 -07:00
vdev_trim.c Add TRIM support 2019-03-29 09:13:20 -07:00
vdev.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
zap_leaf.c Off-by-one in zap_leaf_array_create() 2019-01-18 09:58:46 -08:00
zap_micro.c fat zap should prefetch when iterating 2019-09-25 11:27:47 -07:00
zap.c fat zap should prefetch when iterating 2019-09-25 11:27:47 -07:00
zcp_get.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
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/ 2020-01-22 13:48:59 -08:00
zcp_synctask.c OpenZFS 9166 - zfs storage pool checkpoint 2018-06-26 10:07:42 -07:00
zcp.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
zfeature.c Consistently captialize GUID for features 2019-04-16 10:01:51 -07:00
zfs_acl.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
zfs_byteswap.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
zfs_ctldir.c Fix automount for root filesystems 2020-01-22 13:49:02 -08:00
zfs_debug.c Restrict kstats and print real pointers 2019-04-04 18:57:06 -07:00
zfs_dir.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
zfs_fm.c Add zpool status -s (slow I/Os) and -p (parseable) 2018-11-08 16:47:24 -08:00
zfs_fuid.c Update build system and packaging 2018-05-29 16:00:33 -07:00
zfs_ioctl.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
zfs_log.c Improve write performance by using dmu_read_by_dnode() 2020-01-22 13:48:57 -08:00
zfs_onexit.c Update build system and packaging 2018-05-29 16:00:33 -07:00
zfs_ratelimit.c Change checksum & IO delay ratelimit values 2018-03-04 17:34:51 -08:00
zfs_replay.c Fix zil replay panic when TX_REMOVE followed by TX_CREATE 2019-09-25 11:27:51 -07:00
zfs_rlock.c Rename rangelock_ functions to zfs_rangelock_ 2020-01-22 13:49:02 -08:00
zfs_sa.c Project Quota on ZFS 2018-02-13 14:54:54 -08:00
zfs_sysfs.c Prevent pointer to an out-of-scope local variable 2019-09-25 11:27:48 -07:00
zfs_vfsops.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
zfs_vnops.c Rename rangelock_ functions to zfs_rangelock_ 2020-01-22 13:49:02 -08:00
zfs_znode.c Check for unlinked znodes after igrab() 2020-01-22 13:49:04 -08:00
zil.c Improve logging of 128KB writes 2020-01-22 13:49:04 -08:00
zio_checksum.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
zio_compress.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
zio_crypt.c Linux 5.0 compat: SIMD compatibility 2020-01-22 13:49:01 -08:00
zio_inject.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
zio.c Prevent race in blkptr_verify against device removal 2020-01-22 13:48:57 -08:00
zle.c Fix zle_decompress out of bound access 2018-02-09 10:08:05 -08:00
zpl_ctldir.c RHEL 7.5 compat: FMODE_KABI_ITERATE 2018-05-02 15:01:24 -07:00
zpl_export.c Use cstyle -cpP in make cstyle check 2016-12-12 10:46:26 -08:00
zpl_file.c Fix errant EFAULT during writes (#8719) 2019-05-08 10:04:04 -07:00
zpl_inode.c Fix errant EFAULT during writes (#8719) 2019-05-08 10:04:04 -07:00
zpl_super.c Fix typos in module/zfs/ 2020-01-22 13:48:59 -08:00
zpl_xattr.c Drop redundant POSIX ACL check in zpl_init_acl() 2019-09-25 11:27:49 -07:00
zrlock.c Update build system and packaging 2018-05-29 16:00:33 -07:00
zthr.c Fix txg_wait_open() load average inflation 2019-04-04 09:44:46 -07:00
zvol.c Rename rangelock_ functions to zfs_rangelock_ 2020-01-22 13:49:02 -08:00