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Merge pull request #295 from versity/auke/xfs_lockdep_ignore

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Avoid xfs lockdep false positive dmesg errors.
This commit is contained in:
Zach Brown
2026-04-03 09:46:44 -07:00
committed by GitHub
parent 5457741672 e27ec0add6
commit 3d54ae03e6
1 changed files with 57 additions and 8 deletions
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65
tests/funcs/filter.sh
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@@ -20,9 +20,6 @@ t_filter_fs()
# [ 2687.691366] BUG: KASAN: stack-out-of-bounds in get_reg+0x1bc/0x230
# ...
# [ 2687.706220] ==================================================================
# [ 2687.707284] Disabling lock debugging due to kernel taint
#
# That final lock debugging message may not be included.
#
ignore_harmless_unwind_kasan_stack_oob()
{
@@ -46,10 +43,6 @@ awk '
saved=""
}
( in_soob == 2 && $0 ~ /==================================================================/ ) {
in_soob = 3
soob_nr = NR
}
( in_soob == 3 && NR > soob_nr && $0 !~ /Disabling lock debugging/ ) {
in_soob = 0
}
( !in_soob ) { print $0 }
@@ -61,6 +54,58 @@ awk '
'
}
#
# in el97+, XFS can generate a spurious lockdep circular dependency
# warning about reclaim. Fixed upstream in e.g. v5.7-rc4-129-g6dcde60efd94
#
ignore_harmless_xfs_lockdep_warning()
{
awk '
BEGIN {
in_block = 0
block_nr = 0
buf = ""
}
( !in_block && $0 ~ /======================================================/ ) {
in_block = 1
block_nr = NR
buf = $0 "\n"
next
}
( in_block == 1 && NR == (block_nr + 1) ) {
if (match($0, /WARNING: possible circular locking dependency detected/) != 0) {
in_block = 2
buf = buf $0 "\n"
} else {
in_block = 0
printf "%s", buf
print $0
buf = ""
}
next
}
( in_block == 2 ) {
buf = buf $0 "\n"
if ($0 ~ /<\/TASK>/) {
if (buf ~ /xfs_nondir_ilock_class/ && buf ~ /fs_reclaim/) {
# known xfs lockdep false positive, discard
} else {
printf "%s", buf
}
in_block = 0
buf = ""
}
next
}
{ print $0 }
END {
if (buf) {
printf "%s", buf
}
}
'
}
#
# Filter out expected messages. Putting messages here implies that
# tests aren't relying on messages to discover failures.. they're
@@ -176,6 +221,10 @@ t_filter_dmesg()
# creating block devices may trigger this
re="$re|block device autoloading is deprecated and will be removed."
# lockdep or kasan warnings can cause this
re="$re|Disabling lock debugging due to kernel taint"
egrep -v "($re)" | \
ignore_harmless_unwind_kasan_stack_oob
ignore_harmless_unwind_kasan_stack_oob | \
ignore_harmless_xfs_lockdep_warning
}