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Darrick J. Wong acf104c233 xfs: detect overflows in bmbt records 
Detect file block mappings with a blockcount that's either so large that
integer overflows occur or are zero, because neither are valid in the
filesystem.  Worse yet, attempting directory modifications causes the
iext code to trip over the bmbt key handling and takes the filesystem
down.  We can fix most of this by preventing the bad metadata from
entering the incore structures in the first place.

Found by setting blockcount=0 in a directory data fork mapping and
watching the fireworks.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
2020-12-09 09:49:38 -08:00
..
libxfs
xfs: detect overflows in bmbt records
2020-12-09 09:49:38 -08:00
scrub
xfs: directory scrub should check the null bestfree entries too
2020-11-18 09:23:50 -08:00
Kconfig
xfs: fix Kconfig asking about XFS_SUPPORT_V4 when XFS_FS=n
2020-10-16 15:34:28 -07:00
kmem.c
xfs: remove kmem_realloc()
2020-09-06 18:05:51 -07:00
kmem.h
xfs: Remove kmem_zalloc_large()
2020-09-15 20:52:41 -07:00
Makefile
xfs: refactor log recovery item sorting into a generic dispatch structure
2020-05-08 08:49:58 -07:00
mrlock.h
…
xfs_acl.c
xfs: Remove kmem_zalloc_large()
2020-09-15 20:52:41 -07:00
xfs_acl.h
xfs: improve xfs_forget_acl
2020-03-02 20:55:55 -08:00
xfs_aops.c
xfs: fix missing CoW blocks writeback conversion retry
2020-11-04 08:52:47 -08:00
xfs_aops.h
xfs: add a xfs_inode_buftarg helper
2019-10-28 08:37:54 -07:00
xfs_attr_inactive.c
xfs: cleanup xfs_idestroy_fork
2020-05-19 09:40:59 -07:00
xfs_attr_list.c
xfs: Convert xfs_attr_sf macros to inline functions
2020-09-15 20:52:42 -07:00
xfs_bio_io.c
xfs: chain bios the right way around in xfs_rw_bdev
2019-07-10 10:04:16 -07:00
xfs_bmap_item.c
xfs: improve the code that checks recovered bmap intent items
2020-12-09 09:49:38 -08:00
xfs_bmap_item.h
xfs: refactor intent item RECOVERED flag into the log item
2020-05-08 08:50:01 -07:00
xfs_bmap_util.c
xfs: fix fallocate functions when rtextsize is larger than 1
2020-10-21 09:05:19 -07:00
xfs_bmap_util.h
xfs: simplify xfs_iomap_eof_align_last_fsb
2019-11-03 10:22:30 -08:00
xfs_buf_item_recover.c
xfs: fix finobt btree block recovery ordering
2020-09-30 07:28:52 -07:00
xfs_buf_item.c
xfs: remove xlog_recover_iodone
2020-09-15 20:52:39 -07:00
xfs_buf_item.h
xfs: move the buffer retry logic to xfs_buf.c
2020-09-15 20:52:38 -07:00
xfs_buf.c
xfs: reuse _xfs_buf_read for re-reading the superblock
2020-09-15 20:52:39 -07:00
xfs_buf.h
xfs: reuse _xfs_buf_read for re-reading the superblock
2020-09-15 20:52:39 -07:00
xfs_dir2_readdir.c
xfs: move the fork format fields into struct xfs_ifork
2020-05-19 09:40:58 -07:00
xfs_discard.c
xfs: remove XFS_BUF_TO_AGF
2020-03-11 09:11:39 -07:00
xfs_discard.h
…
xfs_dquot_item_recover.c
xfs: rename the ondisk dquot d_flags to d_type
2020-07-28 20:24:14 -07:00
xfs_dquot_item.c
xfs: stop using q_core.d_id in the quota code
2020-07-28 20:24:14 -07:00
xfs_dquot_item.h
xfs: factor out quotaoff intent AIL removal and memory free
2020-03-18 08:12:23 -07:00
xfs_dquot.c
xfs: fix some comments
2020-09-25 11:34:07 -07:00
xfs_dquot.h
xfs: refactor default quota grace period setting code
2020-09-15 20:52:40 -07:00
xfs_error.c
xfs: random buffer write failure errortag
2020-05-07 08:27:48 -07:00
xfs_error.h
xfs: xfs_buf_corruption_error should take __this_address
2020-03-12 07:58:12 -07:00
xfs_export.c
xfs: delete duplicated words + other fixes
2020-08-05 08:49:58 -07:00
xfs_export.h
…
xfs_extent_busy.c
xfs: cleanup use of the XFS_ALLOC_ flags
2019-11-03 10:22:31 -08:00
xfs_extent_busy.h
…
xfs_extfree_item.c
xfs: improve the code that checks recovered extent-free intent items
2020-12-09 09:49:38 -08:00
xfs_extfree_item.h
xfs: refactor intent item RECOVERED flag into the log item
2020-05-08 08:50:01 -07:00
xfs_file.c
xfs: fix fallocate functions when rtextsize is larger than 1
2020-10-21 09:05:19 -07:00
xfs_filestream.c
xfs: drop the obsolete comment on filestream locking
2020-09-25 11:34:08 -07:00
xfs_filestream.h
…
xfs_fsmap.c
xfs: fix deadlock and streamline xfs_getfsmap performance
2020-10-07 08:40:29 -07:00
xfs_fsmap.h
xfs: fix deadlock and streamline xfs_getfsmap performance
2020-10-07 08:40:29 -07:00
xfs_fsops.c
xfs: remove unused shutdown types
2020-05-07 08:27:48 -07:00
xfs_fsops.h
…
xfs_globals.c
xfs: multithreaded iwalk implementation
2019-07-03 07:33:26 -07:00
xfs_health.c
xfs: introduce new v5 bulkstat structure
2019-07-03 20:36:26 -07:00
xfs_icache.c
xfs: Remove unneeded semicolon
2020-09-15 20:52:42 -07:00
xfs_icache.h
xfs: remove SYNC_WAIT and SYNC_TRYLOCK
2020-07-14 08:47:33 -07:00
xfs_icreate_item.c
xfs: Remove kmem_zone_zalloc() usage
2020-07-28 20:24:14 -07:00
xfs_icreate_item.h
…
xfs_inode_item_recover.c
xfs: widen ondisk inode timestamps to deal with y2038+
2020-09-15 20:52:41 -07:00
xfs_inode_item.c
xfs: widen ondisk inode timestamps to deal with y2038+
2020-09-15 20:52:41 -07:00
xfs_inode_item.h
xfs: move the buffer retry logic to xfs_buf.c
2020-09-15 20:52:38 -07:00
xfs_inode.c
xfs: drop extra transaction roll from inode extent truncate
2020-09-21 09:54:29 -07:00
xfs_inode.h
xfs: widen ondisk inode timestamps to deal with y2038+
2020-09-15 20:52:41 -07:00
xfs_ioctl32.c
xfs: lift cursor copy in/out into xfs_ioc_attr_list
2020-03-02 20:55:54 -08:00
xfs_ioctl32.h
xfs: rename compat_time_t to old_time32_t
2020-01-06 08:57:36 -08:00
xfs_ioctl.c
xfs: fix deadlock and streamline xfs_getfsmap performance
2020-10-07 08:40:29 -07:00
xfs_ioctl.h
xfs: embedded the attrlist cursor into struct xfs_attr_list_context
2020-03-02 20:55:55 -08:00
xfs_iomap.c
xfs: don't allow NOWAIT DIO across extent boundaries
2020-11-19 08:59:11 -08:00
xfs_iomap.h
xfs: simplify the xfs_iomap_write_direct calling
2019-11-03 10:22:30 -08:00
xfs_iops.c
xfs: flush new eof page on truncate to avoid post-eof corruption
2020-11-04 08:52:46 -08:00
xfs_iops.h
…
xfs_itable.c
xfs: move the fork format fields into struct xfs_ifork
2020-05-19 09:40:58 -07:00
xfs_itable.h
xfs: remove all *_ITER_ABORT values
2019-08-29 21:22:41 -07:00
xfs_iwalk.c
xfs: ensure inobt record walks always make forward progress
2020-11-18 09:23:51 -08:00
xfs_iwalk.h
xfs: remove all *_ITER_CONTINUE values
2019-08-30 22:43:56 -07:00
xfs_linux.h
xfs: fix fallocate functions when rtextsize is larger than 1
2020-10-21 09:05:19 -07:00
xfs_log_cil.c
xfs: delete duplicated words + other fixes
2020-08-05 08:49:58 -07:00
xfs_log_priv.h
xfs: Modify xlog_ticket_alloc() to use kernel's MM API
2020-07-28 20:24:14 -07:00
xfs_log_recover.c
xfs: trace log intent item recovery failures
2020-12-09 09:49:38 -08:00
xfs_log.c
xfs: expose the log push threshold
2020-10-07 08:40:29 -07:00
xfs_log.h
xfs: expose the log push threshold
2020-10-07 08:40:29 -07:00
xfs_message.c
xfs: refactor ratelimited buffer error messages into helper
2020-05-07 08:27:46 -07:00
xfs_message.h
treewide: Convert macro and uses of __section(foo) to __section("foo")
2020-10-25 14:51:49 -07:00
xfs_mount.c
xfs: return corresponding errcode if xfs_initialize_perag() fail
2020-11-18 09:23:51 -08:00
xfs_mount.h
xfs: remove xfs_getsb
2020-09-15 20:52:39 -07:00
xfs_mru_cache.c
fs: xfs: Remove KM_NOSLEEP and KM_SLEEP.
2019-08-26 12:06:22 -07:00
xfs_mru_cache.h
…
xfs_ondisk.h
xfs: Remove typedef xfs_attr_shortform_t
2020-09-15 20:52:42 -07:00
xfs_pnfs.c
xfs: fix a missing unlock on error in xfs_fs_map_blocks
2020-11-11 08:07:37 -08:00
xfs_pnfs.h
…
xfs_pwork.c
block: remove the bd_queue field from struct block_device
2020-07-01 08:08:20 -06:00
xfs_pwork.h
xfs: poll waiting for quotacheck
2019-07-03 08:21:58 -07:00
xfs_qm_bhv.c
xfs: rename XFS_DQ_{USER,GROUP,PROJ} to XFS_DQTYPE_*
2020-07-28 20:24:14 -07:00
xfs_qm_syscalls.c
xfs: refactor default quota grace period setting code
2020-09-15 20:52:40 -07:00
xfs_qm.c
xfs: do the ASSERT for the arguments O_{u,g,p}dqpp
2020-10-07 08:40:29 -07:00
xfs_qm.h
xfs: refactor quota expiration timer modification
2020-09-15 20:52:40 -07:00
xfs_quota.h
xfs: move the buffer retry logic to xfs_buf.c
2020-09-15 20:52:38 -07:00
xfs_quotaops.c
xfs: create xfs_dqtype_t to represent quota types
2020-07-28 20:24:14 -07:00
xfs_refcount_item.c
xfs: validate feature support when recovering rmap/refcount intents
2020-12-09 09:49:38 -08:00
xfs_refcount_item.h
xfs: refactor intent item RECOVERED flag into the log item
2020-05-08 08:50:01 -07:00
xfs_reflink.c
xfs: only flush the unshared range in xfs_reflink_unshare
2020-11-04 17:41:56 -08:00
xfs_reflink.h
xfs: move helpers that lock and unlock two inodes against userspace IO
2020-07-06 10:46:57 -07:00
xfs_rmap_item.c
xfs: validate feature support when recovering rmap/refcount intents
2020-12-09 09:49:38 -08:00
xfs_rmap_item.h
xfs: refactor intent item RECOVERED flag into the log item
2020-05-08 08:50:01 -07:00
xfs_rtalloc.c
xfs: annotate grabbing the realtime bitmap/summary locks in growfs
2020-10-13 08:41:31 -07:00
xfs_rtalloc.h
…
xfs_stats.c
xfs: periodically relog deferred intent items
2020-10-07 08:40:28 -07:00
xfs_stats.h
xfs: periodically relog deferred intent items
2020-10-07 08:40:28 -07:00
xfs_super.c
xfs: define a new "needrepair" feature
2020-12-09 09:48:13 -08:00
xfs_super.h
xfs: include QUOTA, FATAL ASSERT build options in XFS_BUILD_OPTIONS
2019-10-21 09:04:57 -07:00
xfs_symlink.c
xfs: move the fork format fields into struct xfs_ifork
2020-05-19 09:40:58 -07:00
xfs_symlink.h
xfs: Correct comment tyops -> typos
2019-11-10 10:21:57 -08:00
xfs_sysctl.c
xfs: remove deprecated sysctl options
2020-09-25 11:34:08 -07:00
xfs_sysctl.h
xfs: multithreaded iwalk implementation
2019-07-03 07:33:26 -07:00
xfs_sysfs.c
xfs: avoid unused to_mp() function warning
2019-09-24 09:40:19 -07:00
xfs_sysfs.h
xfs: Fix UBSAN null-ptr-deref in xfs_sysfs_init
2020-08-07 11:50:17 -07:00
xfs_trace.c
xfs: support bulk loading of staged btrees
2020-03-18 08:12:23 -07:00
xfs_trace.h
xfs: trace log intent item recovery failures
2020-12-09 09:49:38 -08:00
xfs_trans_ail.c
xfs: delete duplicated words + other fixes
2020-08-05 08:49:58 -07:00
xfs_trans_buf.c
xfs: simplify xfs_trans_getsb
2020-09-15 20:52:39 -07:00
xfs_trans_dquot.c
xfs: fix the indent in xfs_trans_mod_dquot
2020-10-07 08:40:29 -07:00
xfs_trans_priv.h
xfs: refactor adding recovered intent items to the log
2020-05-08 08:50:00 -07:00
xfs_trans.c
xfs: do the assert for all the log done items in xfs_trans_cancel
2020-09-25 11:34:07 -07:00
xfs_trans.h
xfs: periodically relog deferred intent items
2020-10-07 08:40:28 -07:00
xfs_xattr.c
xfs: remove duplicate headers
2020-05-08 08:51:34 -07:00
xfs.h
…