AuxXxilium/linux_dsm_epyc7002
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linux_dsm_epyc7002/fs/xfs
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Darrick J. Wong 8612de3f7b xfs: don't crash on null attr fork xfs_bmapi_read 
Zorro Lang reported a crash in generic/475 if we try to inactivate a
corrupt inode with a NULL attr fork (stack trace shortened somewhat):

RIP: 0010:xfs_bmapi_read+0x311/0xb00 [xfs]
RSP: 0018:ffff888047f9ed68 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff888047f9f038 RCX: 1ffffffff5f99f51
RDX: 0000000000000002 RSI: 0000000000000008 RDI: 0000000000000012
RBP: ffff888002a41f00 R08: ffffed10005483f0 R09: ffffed10005483ef
R10: ffffed10005483ef R11: ffff888002a41f7f R12: 0000000000000004
R13: ffffe8fff53b5768 R14: 0000000000000005 R15: 0000000000000001
FS:  00007f11d44b5b80(0000) GS:ffff888114200000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000ef6000 CR3: 000000002e176003 CR4: 00000000001606e0
Call Trace:
 xfs_dabuf_map.constprop.18+0x696/0xe50 [xfs]
 xfs_da_read_buf+0xf5/0x2c0 [xfs]
 xfs_da3_node_read+0x1d/0x230 [xfs]
 xfs_attr_inactive+0x3cc/0x5e0 [xfs]
 xfs_inactive+0x4c8/0x5b0 [xfs]
 xfs_fs_destroy_inode+0x31b/0x8e0 [xfs]
 destroy_inode+0xbc/0x190
 xfs_bulkstat_one_int+0xa8c/0x1200 [xfs]
 xfs_bulkstat_one+0x16/0x20 [xfs]
 xfs_bulkstat+0x6fa/0xf20 [xfs]
 xfs_ioc_bulkstat+0x182/0x2b0 [xfs]
 xfs_file_ioctl+0xee0/0x12a0 [xfs]
 do_vfs_ioctl+0x193/0x1000
 ksys_ioctl+0x60/0x90
 __x64_sys_ioctl+0x6f/0xb0
 do_syscall_64+0x9f/0x4d0
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f11d39a3e5b

The "obvious" cause is that the attr ifork is null despite the inode
claiming an attr fork having at least one extent, but it's not so
obvious why we ended up with an inode in that state.

Reported-by: Zorro Lang <zlang@redhat.com>
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=204031
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Bill O'Donnell <billodo@redhat.com>
2019-08-12 09:32:44 -07:00
..
libxfs xfs: don't crash on null attr fork xfs_bmapi_read 2019-08-12 09:32:44 -07:00
scrub xfs: Fix possible null-pointer dereferences in xchk_da_btree_block_check_sibling() 2019-07-30 11:28:20 -07:00
Kconfig treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
kmem.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
kmem.h xfs: make mem_to_page available outside of xfs_buf.c 2019-06-28 19:27:19 -07:00
Makefile xfs: move xfs_trans_inode.c to libxfs/ 2019-07-15 08:10:18 -07:00
mrlock.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_acl.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_acl.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_aops.c for-linus-20190715 2019-07-15 21:20:52 -07:00
xfs_aops.h xfs: remove the unused xfs_count_page_state declaration 2019-06-30 09:05:17 -07:00
xfs_attr_inactive.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_attr_list.c xfs: remove unused header files 2019-06-28 19:30:43 -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: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_bmap_item.h xfs: merge xfs_bud_init into xfs_trans_get_bud 2019-06-28 19:27:36 -07:00
xfs_bmap_util.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_bmap_util.h xfs: flush removing page cache in xfs_reflink_remap_prep 2018-11-21 10:10:53 -08:00
xfs_buf_item.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_buf_item.h xfs: remove the xfs_log_item_t typedef 2019-06-28 19:27:33 -07:00
xfs_buf.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_buf.h xfs: add struct xfs_mount pointer to struct xfs_buf 2019-06-28 19:27:29 -07:00
xfs_dir2_readdir.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_discard.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_discard.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xfs_dquot_item.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_dquot_item.h xfs: remove the xfs_log_item_t typedef 2019-06-28 19:27:33 -07:00
xfs_dquot.c xfs: create iterator error codes 2019-07-02 09:40:05 -07:00
xfs_dquot.h xfs: remove the debug-only q_transp field from struct xfs_dquot 2019-06-12 08:59:59 -07:00
xfs_error.c xfs: add struct xfs_mount pointer to struct xfs_buf 2019-06-28 19:27:29 -07:00
xfs_error.h xfs: Introduce XFS_PTAG_VERIFIER_ERROR panic mask 2019-02-11 16:07:00 -08:00
xfs_export.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_export.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_extent_busy.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_extent_busy.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_extfree_item.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_extfree_item.h xfs: merge xfs_efd_init into xfs_trans_get_efd 2019-06-28 19:27:35 -07:00
xfs_file.c - virtio_pmem: The new virtio_pmem facility introduces a paravirtualized 2019-07-18 10:52:08 -07:00
xfs_filestream.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_filestream.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_fsmap.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_fsmap.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_fsops.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_fsops.h xfs: change some error-less functions to void types 2019-05-01 20:26:30 -07:00
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 unused header files 2019-06-28 19:30:43 -07:00
xfs_icache.h xfs: rename the speculative block allocation reclaim toggle functions 2019-04-26 12:28:55 -07:00
xfs_icreate_item.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_icreate_item.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_inode_item.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_inode_item.h xfs: remove the xfs_log_item_t typedef 2019-06-28 19:27:33 -07:00
xfs_inode.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_inode.h xfs: widen inode delalloc block counter to 64-bits 2019-04-23 08:36:23 -07:00
xfs_ioctl32.c xfs: wire up the v5 inumbers ioctl 2019-07-03 20:36:28 -07:00
xfs_ioctl32.h xfs: remove various bulk request typedef usage 2019-07-03 20:36:25 -07:00
xfs_ioctl.c New stuff for 5.3: 2019-07-12 17:17:51 -07:00
xfs_ioctl.h xfs: introduce v5 inode group structure 2019-07-03 20:36:27 -07:00
xfs_iomap.c xfs: remove XFS_TRANS_NOFS 2019-06-30 09:05:17 -07:00
xfs_iomap.h xfs: fix SEEK_DATA for speculative COW fork preallocation 2019-02-21 07:55:07 -08:00
xfs_iops.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_iops.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_itable.c xfs: fix stack contents leakage in the v1 inumber ioctls 2019-07-28 21:12:32 -07:00
xfs_itable.h xfs: specify AG in bulk req 2019-07-04 07:52:23 -07:00
xfs_iwalk.c xfs: specify AG in bulk req 2019-07-04 07:52:23 -07:00
xfs_iwalk.h xfs: specify AG in bulk req 2019-07-04 07:52:23 -07:00
xfs_linux.h xfs: use bios directly to read and write the log recovery buffers 2019-06-28 19:27:26 -07:00
xfs_log_cil.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_log_priv.h fs: xfs: xfs_log: Change return type from int to void 2019-07-03 08:21:58 -07:00
xfs_log_recover.c fs: xfs: xfs_log: Change return type from int to void 2019-07-03 08:21:58 -07:00
xfs_log.c fs: xfs: xfs_log: Don't use KM_MAYFAIL at xfs_log_reserve(). 2019-08-03 09:36:43 -07:00
xfs_log.h fs: xfs: xfs_log: Change return type from int to void 2019-07-03 08:21:58 -07:00
xfs_message.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_message.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xfs_mount.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_mount.h xfs: move the log ioend workqueue to struct xlog 2019-06-28 19:27:25 -07:00
xfs_mru_cache.c xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_mru_cache.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_ondisk.h xfs: wire up the v5 inumbers ioctl 2019-07-03 20:36:28 -07:00
xfs_pnfs.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_pnfs.h xfs: prepare xfs_break_layouts() for another layout type 2018-05-22 07:19:08 -07:00
xfs_pwork.c xfs: poll waiting for quotacheck 2019-07-03 08:21:58 -07:00
xfs_pwork.h xfs: poll waiting for quotacheck 2019-07-03 08:21:58 -07:00
xfs_qm_bhv.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_qm_syscalls.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_qm.c xfs: specify AG in bulk req 2019-07-04 07:52:23 -07:00
xfs_qm.h xfs: widen quota block counters to 64-bit integers 2019-04-23 08:36:23 -07:00
xfs_quota.h xfs: kill the xfs_dqtrx_t typedef 2019-04-23 08:36:23 -07:00
xfs_quotaops.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_refcount_item.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_refcount_item.h xfs: merge xfs_cud_init into xfs_trans_get_cud 2019-06-28 19:27:35 -07:00
xfs_reflink.c xfs: remove XFS_TRANS_NOFS 2019-06-30 09:05:17 -07:00
xfs_reflink.h xfs: don't pass iomap flags to xfs_reflink_allocate_cow 2019-02-25 09:04:31 -08:00
xfs_rmap_item.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_rmap_item.h xfs: merge xfs_rud_init into xfs_trans_get_rud 2019-06-28 19:27:36 -07:00
xfs_rtalloc.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_rtalloc.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_stats.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_stats.h xfs: use offsetof() in place of offset macros for __xfsstats 2018-10-18 17:21:39 +11:00
xfs_super.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_super.h xfs: include WARN, REPAIR build options in XFS_BUILD_OPTIONS 2019-06-12 08:37:40 -07:00
xfs_symlink.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_symlink.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_sysctl.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_sysctl.h xfs: multithreaded iwalk implementation 2019-07-03 07:33:26 -07:00
xfs_sysfs.c xfs: multithreaded iwalk implementation 2019-07-03 07:33:26 -07:00
xfs_sysfs.h xfs: convert to SPDX license tags 2018-06-06 14:17:53 -07:00
xfs_trace.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_trace.h xfs: multithreaded iwalk implementation 2019-07-03 07:33:26 -07:00
xfs_trans_ail.c xfs: remove the xfs_log_item_t typedef 2019-06-28 19:27:33 -07:00
xfs_trans_buf.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_trans_dquot.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs_trans_priv.h xfs: don't use xfs_trans_free_items in the commit path 2019-06-28 19:27:31 -07:00
xfs_trans.c xfs: remove XFS_TRANS_NOFS 2019-06-30 09:05:17 -07:00
xfs_trans.h xfs: merge xfs_trans_bmap.c into xfs_bmap_item.c 2019-06-28 19:29:42 -07:00
xfs_xattr.c xfs: remove unused header files 2019-06-28 19:30:43 -07:00
xfs.h xfs: remove b_last_holder & associated macros 2018-08-12 08:37:31 -07:00