Revision 082cd4ec240b8734a82a89ffb890216ac98fec68 authored by Ye Bin on 06 May 2021, 14:10:42 UTC, committed by Theodore Ts'o on 06 June 2021, 14:09:55 UTC
We got follow bug_on when run fsstress with injecting IO fault: [130747.323114] kernel BUG at fs/ext4/extents_status.c:762! [130747.323117] Internal error: Oops - BUG: 0 [#1] SMP ...... [130747.334329] Call trace: [130747.334553] ext4_es_cache_extent+0x150/0x168 [ext4] [130747.334975] ext4_cache_extents+0x64/0xe8 [ext4] [130747.335368] ext4_find_extent+0x300/0x330 [ext4] [130747.335759] ext4_ext_map_blocks+0x74/0x1178 [ext4] [130747.336179] ext4_map_blocks+0x2f4/0x5f0 [ext4] [130747.336567] ext4_mpage_readpages+0x4a8/0x7a8 [ext4] [130747.336995] ext4_readpage+0x54/0x100 [ext4] [130747.337359] generic_file_buffered_read+0x410/0xae8 [130747.337767] generic_file_read_iter+0x114/0x190 [130747.338152] ext4_file_read_iter+0x5c/0x140 [ext4] [130747.338556] __vfs_read+0x11c/0x188 [130747.338851] vfs_read+0x94/0x150 [130747.339110] ksys_read+0x74/0xf0 This patch's modification is according to Jan Kara's suggestion in: https://patchwork.ozlabs.org/project/linux-ext4/patch/20210428085158.3728201-1-yebin10@huawei.com/ "I see. Now I understand your patch. Honestly, seeing how fragile is trying to fix extent tree after split has failed in the middle, I would probably go even further and make sure we fix the tree properly in case of ENOSPC and EDQUOT (those are easily user triggerable). Anything else indicates a HW problem or fs corruption so I'd rather leave the extent tree as is and don't try to fix it (which also means we will not create overlapping extents)." Cc: stable@kernel.org Signed-off-by: Ye Bin <yebin10@huawei.com> Reviewed-by: Jan Kara <jack@suse.cz> Link: https://lore.kernel.org/r/20210506141042.3298679-1-yebin10@huawei.com Signed-off-by: Theodore Ts'o <tytso@mit.edu>
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File | Mode | Size |
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kasan | ||
kfence | ||
Kconfig | -rw-r--r-- | 28.1 KB |
Kconfig.debug | -rw-r--r-- | 5.6 KB |
Makefile | -rw-r--r-- | 4.3 KB |
backing-dev.c | -rw-r--r-- | 25.1 KB |
balloon_compaction.c | -rw-r--r-- | 8.2 KB |
cleancache.c | -rw-r--r-- | 9.8 KB |
cma.c | -rw-r--r-- | 14.9 KB |
cma.h | -rw-r--r-- | 646 bytes |
cma_debug.c | -rw-r--r-- | 4.5 KB |
compaction.c | -rw-r--r-- | 81.5 KB |
debug.c | -rw-r--r-- | 8.4 KB |
debug_page_ref.c | -rw-r--r-- | 1.4 KB |
debug_vm_pgtable.c | -rw-r--r-- | 31.3 KB |
dmapool.c | -rw-r--r-- | 13.7 KB |
early_ioremap.c | -rw-r--r-- | 6.8 KB |
fadvise.c | -rw-r--r-- | 5.3 KB |
failslab.c | -rw-r--r-- | 1.4 KB |
filemap.c | -rw-r--r-- | 105.3 KB |
frontswap.c | -rw-r--r-- | 14.2 KB |
gup.c | -rw-r--r-- | 81.1 KB |
gup_test.c | -rw-r--r-- | 5.4 KB |
gup_test.h | -rw-r--r-- | 915 bytes |
highmem.c | -rw-r--r-- | 19.4 KB |
hmm.c | -rw-r--r-- | 16.6 KB |
huge_memory.c | -rw-r--r-- | 83.1 KB |
hugetlb.c | -rw-r--r-- | 156.7 KB |
hugetlb_cgroup.c | -rw-r--r-- | 21.4 KB |
hwpoison-inject.c | -rw-r--r-- | 2.6 KB |
init-mm.c | -rw-r--r-- | 1.3 KB |
internal.h | -rw-r--r-- | 19.1 KB |
interval_tree.c | -rw-r--r-- | 3.1 KB |
ioremap.c | -rw-r--r-- | 6.5 KB |
khugepaged.c | -rw-r--r-- | 59.0 KB |
kmemleak.c | -rw-r--r-- | 56.2 KB |
ksm.c | -rw-r--r-- | 88.8 KB |
list_lru.c | -rw-r--r-- | 14.2 KB |
maccess.c | -rw-r--r-- | 8.7 KB |
madvise.c | -rw-r--r-- | 30.6 KB |
mapping_dirty_helpers.c | -rw-r--r-- | 10.5 KB |
memblock.c | -rw-r--r-- | 58.8 KB |
memcontrol.c | -rw-r--r-- | 190.3 KB |
memfd.c | -rw-r--r-- | 7.9 KB |
memory-failure.c | -rw-r--r-- | 52.8 KB |
memory.c | -rw-r--r-- | 141.7 KB |
memory_hotplug.c | -rw-r--r-- | 53.9 KB |
mempolicy.c | -rw-r--r-- | 76.4 KB |
mempool.c | -rw-r--r-- | 15.8 KB |
memremap.c | -rw-r--r-- | 14.4 KB |
memtest.c | -rw-r--r-- | 2.8 KB |
migrate.c | -rw-r--r-- | 82.3 KB |
mincore.c | -rw-r--r-- | 7.0 KB |
mlock.c | -rw-r--r-- | 22.2 KB |
mm_init.c | -rw-r--r-- | 5.3 KB |
mmap.c | -rw-r--r-- | 102.9 KB |
mmap_lock.c | -rw-r--r-- | 5.8 KB |
mmu_gather.c | -rw-r--r-- | 8.2 KB |
mmu_notifier.c | -rw-r--r-- | 34.3 KB |
mmzone.c | -rw-r--r-- | 2.2 KB |
mprotect.c | -rw-r--r-- | 17.3 KB |
mremap.c | -rw-r--r-- | 25.8 KB |
msync.c | -rw-r--r-- | 2.6 KB |
nommu.c | -rw-r--r-- | 44.9 KB |
oom_kill.c | -rw-r--r-- | 30.3 KB |
page-writeback.c | -rw-r--r-- | 84.6 KB |
page_alloc.c | -rw-r--r-- | 248.6 KB |
page_counter.c | -rw-r--r-- | 6.6 KB |
page_ext.c | -rw-r--r-- | 10.9 KB |
page_idle.c | -rw-r--r-- | 5.3 KB |
page_io.c | -rw-r--r-- | 11.2 KB |
page_isolation.c | -rw-r--r-- | 9.2 KB |
page_owner.c | -rw-r--r-- | 16.3 KB |
page_poison.c | -rw-r--r-- | 2.3 KB |
page_reporting.c | -rw-r--r-- | 9.9 KB |
page_reporting.h | -rw-r--r-- | 1.6 KB |
page_vma_mapped.c | -rw-r--r-- | 7.8 KB |
pagewalk.c | -rw-r--r-- | 14.2 KB |
percpu-internal.h | -rw-r--r-- | 7.7 KB |
percpu-km.c | -rw-r--r-- | 3.0 KB |
percpu-stats.c | -rw-r--r-- | 6.0 KB |
percpu-vm.c | -rw-r--r-- | 10.3 KB |
percpu.c | -rw-r--r-- | 95.6 KB |
pgalloc-track.h | -rw-r--r-- | 1.3 KB |
pgtable-generic.c | -rw-r--r-- | 5.6 KB |
process_vm_access.c | -rw-r--r-- | 8.2 KB |
ptdump.c | -rw-r--r-- | 4.0 KB |
readahead.c | -rw-r--r-- | 17.3 KB |
rmap.c | -rw-r--r-- | 55.7 KB |
rodata_test.c | -rw-r--r-- | 1.3 KB |
shmem.c | -rw-r--r-- | 110.0 KB |
shuffle.c | -rw-r--r-- | 4.7 KB |
shuffle.h | -rw-r--r-- | 1.1 KB |
slab.c | -rw-r--r-- | 106.3 KB |
slab.h | -rw-r--r-- | 16.7 KB |
slab_common.c | -rw-r--r-- | 32.0 KB |
slob.c | -rw-r--r-- | 18.2 KB |
slub.c | -rw-r--r-- | 143.3 KB |
sparse-vmemmap.c | -rw-r--r-- | 6.8 KB |
sparse.c | -rw-r--r-- | 26.4 KB |
swap.c | -rw-r--r-- | 30.6 KB |
swap_cgroup.c | -rw-r--r-- | 5.1 KB |
swap_slots.c | -rw-r--r-- | 9.3 KB |
swap_state.c | -rw-r--r-- | 24.4 KB |
swapfile.c | -rw-r--r-- | 96.4 KB |
truncate.c | -rw-r--r-- | 25.6 KB |
usercopy.c | -rw-r--r-- | 9.5 KB |
userfaultfd.c | -rw-r--r-- | 17.6 KB |
util.c | -rw-r--r-- | 25.1 KB |
vmacache.c | -rw-r--r-- | 2.7 KB |
vmalloc.c | -rw-r--r-- | 91.7 KB |
vmpressure.c | -rw-r--r-- | 13.9 KB |
vmscan.c | -rw-r--r-- | 123.9 KB |
vmstat.c | -rw-r--r-- | 53.8 KB |
workingset.c | -rw-r--r-- | 21.3 KB |
z3fold.c | -rw-r--r-- | 46.6 KB |
zbud.c | -rw-r--r-- | 18.2 KB |
zpool.c | -rw-r--r-- | 11.5 KB |
zsmalloc.c | -rw-r--r-- | 61.1 KB |
zswap.c | -rw-r--r-- | 39.0 KB |
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