diff options
Diffstat (limited to 'results/classifier/deepseek-2-tmp/output/manual-review/1507')
| -rw-r--r-- | results/classifier/deepseek-2-tmp/output/manual-review/1507 | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/results/classifier/deepseek-2-tmp/output/manual-review/1507 b/results/classifier/deepseek-2-tmp/output/manual-review/1507 deleted file mode 100644 index e72333d8d..000000000 --- a/results/classifier/deepseek-2-tmp/output/manual-review/1507 +++ /dev/null @@ -1,38 +0,0 @@ - -export/fuse/fuse.c:fuse_fallocate does not do anything but returns success -Description of problem: -block/export/fuse.c:fuse_fallocate with `FALLOC_FL_PUNCH_HOLE` does not do anything even though it returns 0 (success). A later read incorrectly returns old data instead of zeros. -Should probably return EOPNOTSUPP. - -FALLOC_FL_PUNCH_HOLE: ->Within the specified range, partial filesystem blocks are zeroed, -and whole filesystem blocks are removed from the file. After a -successful call, subsequent reads from this range will return -zeros. -https://man7.org/linux/man-pages/man2/fallocate.2.html -Steps to reproduce: -```sh -touch /tmp/data /tmp/fuse_exp -dd if=/dev/random of=/tmp/data count=1000 bs=1M -qemu-storage-daemon --blockdev node-name=node0,driver=raw,file.driver=file,file.filename=/tmp/data --export type=fuse,id=node0-export,node-name=node0,mountpoint=/tmp/fuse_exp,writable=on - -hexdump /tmp/fuse_exp -n 16 -# 0000000 4d5f db2d 57ab 02f6 f9c2 d2f1 0c1b 4b86 -fallocate -l 1G --punch-hole /tmp/fuse_exp -echo $? -# 0 -hexdump /tmp/fuse_exp -n 16 -# 0000000 4d5f db2d 57ab 02f6 f9c2 d2f1 0c1b 4b86 - - -hexdump /tmp/data -n 16 -# 0000000 4d5f db2d 57ab 02f6 f9c2 d2f1 0c1b 4b86 -fallocate -l 1G --punch-hole /tmp/data -hexdump /tmp/data -n 16 -# 0000000 0000 0000 0000 0000 0000 0000 0000 0000 - -# sudo bpftrace -e 'uretprobe:/usr/bin/qemu-storage-daemon:blk_co_pdiscard { printf("ret=%d\n",retval); }' -# ret=0 -# sudo bpftrace -e 'kretfunc:fuse_file_fallocate { printf("len=%d \t mode=%d ret=%d\n", args->length , args->mode,retval); }' -# len=1073741824 mode=3 ret=0 -``` |