should return an error, but it fails now with a BUG below
because @rc of lov_io_layout_at() is not checked for < 0
BUG: unable to handle kernel paging request at
ffff99d3c2f74030
Call Trace:
lov_stripe_number+0x19/0x40 [lov]
lov_page_init_composite+0x103/0x5f0 [lov]
? kmem_cache_alloc+0x12e/0x270
cl_page_alloc+0x19f/0x660 [obdclass]
cl_page_find+0x1a0/0x250 [obdclass]
ll_write_begin+0x1f7/0xfb0 [lustre]
HPE-bug-id: LUS-11075
Signed-off-by: Vitaly Fertman <vitaly.fertman@hpe.com>
Change-Id: I4371f56cd9cdb3429d52a283831fb0a768e5c9c3
Reviewed-on: https://es-gerrit.dev.cray.com/161123
Tested-by: Jenkins Build User <nssreleng@cray.com>
Reviewed-by: Alexander Zarochentsev <alexander.zarochentsev@hpe.com>
Reviewed-by: Alexander Boyko <alexander.boyko@hpe.com>
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/48994
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Alexander <alexander.boyko@hpe.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
suboff = lio->lis_cached_suboff + offset - lio->lis_cached_off;
} else {
entry = lov_io_layout_at(lio, offset);
+ if (entry < 0)
+ return(-ENODATA);
stripe = lov_stripe_number(loo->lo_lsm, entry, offset);
rc = lov_stripe_offset(loo->lo_lsm, entry, offset, stripe,
}
run_test 25 "Verify old lov stripe API with PFL files"
+test_26a() {
+ $LFS setstripe -E 1m -S 1M -c 1 $DIR/$tfile
+ dd if=/dev/urandom bs=1M count=10 >> $DIR/$tfile
+ [ $? != 0 ] || error "append must return an error"
+}
+run_test 26a "Append to not-existent component"
+
+test_26b() {
+ $LFS setstripe -E 1m -S 1M -c 1 $DIR/$tfile
+ dd if=/dev/urandom bs=1M count=1 > $DIR/$tfile
+ dd if=/dev/urandom bs=1M count=1 >> $DIR/$tfile
+ [ $? != 0 ] || error "append must return an error"
+}
+run_test 26b "Append to not-existend component, file size is unknown"
+
+test_26c() {
+ $LFS setstripe -E 1m -S 1M -c 1 $DIR/$tfile
+ dd if=/dev/urandom bs=2M count=1 >> $DIR/$tfile
+ [ $? != 0 ] || error "append must return an error"
+}
+run_test 26c "Append to not-existend component, crossing the component border"
+
complete $SECONDS
check_and_cleanup_lustre
exit_status