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Richard W.M. Jones 56da6b36d3 daemon: btrfs: Simplify snapshot code and fix invalid memory access 
The existing code had a bug which you can demonstrate by doing:

  $ guestfish -N fs:btrfs:10G -m /dev/sda1 \
  btrfs-subvolume-create /sub :
  btrfs-subvolume-snapshot /sub /snap1 : \
  btrfs-subvolume-snapshot /sub /snap123 : \
  btrfs-subvolume-snapshot /sub /snap123456 : \
  btrfs-subvolume-show /sub
  ...
  libguestfs: error: appliance closed the connection unexpectedly.
  This usually means the libguestfs appliance crashed.

As the code for parsing the output and creating the comma-separated
list of snapshots was unncessarily complicated in the first place,
simplify it.  This also fixes the bug.

This also adds a regression test.

Thanks: Arye Yurkovsky
Link: https://lists.libguestfs.org/archives/list/guestfs@lists.libguestfs.org/thread/QV5VDHIH7WRUNAE54K6OEOKJMWL6M7EM/
2025-11-24 10:44:44 +00:00
..
bigdirs
tests: Run the tests in parallel.
2021-03-18 16:28:55 +00:00
btrfs
daemon: btrfs: Simplify snapshot code and fix invalid memory access
2025-11-24 10:44:44 +00:00
c-api
Update copyright dates for 2025
2025-02-16 17:00:46 +00:00
charsets
tests/charsets/test-charset-fidelity.c: Print all errors.
2021-03-22 14:49:41 +00:00
create
tests: Replace $TEST_FUNCTIONS
2025-02-13 11:15:34 +00:00
discard
tests: Run the tests in parallel.
2021-03-18 16:28:55 +00:00
disk-labels
lib: Remove User-Mode Linux
2022-03-09 09:28:02 +00:00
disks
lib/qemu.c: Add -cpu max when testing for KVM via QMP
2025-10-17 09:57:14 +01:00
events
tests: Run the tests in parallel.
2021-03-18 16:28:55 +00:00
gdisk
tests: gdisk: skip if sgdisk not found on host
2025-11-05 14:41:49 -05:00
journal
tests: Run the tests in parallel.
2021-03-18 16:28:55 +00:00
large-command
daemon: New command_out and sh_out APIs
2025-02-19 12:01:10 +00:00
luks
Update copyright dates for 2025
2025-02-16 17:00:46 +00:00
lvm
tests: Replace $TEST_FUNCTIONS
2025-02-13 11:15:34 +00:00
md
Fix miscellaneous spelling mistakes
2025-04-29 19:05:07 +01:00
mount-local
tests: increase guestunmount retries for test-parallel-mount-local
2025-10-14 18:26:45 +01:00
mountable
Update copyright dates for 2025
2025-02-16 17:00:46 +00:00
nbd
tests: test-nbd.pl: label unix socket svirt_image_t
2025-11-05 14:41:49 -05:00
network
tests: test-network.sh: check guest gets expected IP
2025-11-05 14:41:49 -05:00
ntfs
tests: Replace $TEST_FUNCTIONS
2025-02-13 11:15:34 +00:00
parallel
tests: Run the tests in parallel.
2021-03-18 16:28:55 +00:00
protocol
tests/protocol/test-both-ends-cancel.sh: Delete this test
2025-11-06 18:35:50 +00:00
qemu
Update copyright dates for 2025
2025-02-16 17:00:46 +00:00
regressions
tests/regressions/rhbz790721.c: Remove this test
2025-09-29 16:49:03 +01:00
relabel
daemon: Deprecate guestfs_selinux_relabel, replace with guestfs_setfiles
2025-08-13 16:08:28 +01:00
relative-paths
tests: Replace $TEST_FUNCTIONS
2025-02-13 11:15:34 +00:00
rsync
tests: Replace $TEST_FUNCTIONS
2025-02-13 11:15:34 +00:00
selinux
tests: Run the tests in parallel.
2021-03-18 16:28:55 +00:00
syslinux
tests/syslinux/test-syslinux.pl: Send skip messages to stderr
2025-02-18 11:55:07 +00:00
tmpdirs
tests: Run the tests in parallel.
2021-03-18 16:28:55 +00:00
tsk
tests: Replace $TEST_FUNCTIONS
2025-02-13 11:15:34 +00:00
xfs
tests: Run the tests in parallel.
2021-03-18 16:28:55 +00:00
xml
tests: Run the tests in parallel.
2021-03-18 16:28:55 +00:00
yara
tests: Replace $TEST_FUNCTIONS
2025-02-13 11:15:34 +00:00
functions.sh.in
tests: Replace $TEST_FUNCTIONS
2025-02-13 11:15:34 +00:00
Makefile.am
daemon: btrfs: Simplify snapshot code and fix invalid memory access
2025-11-24 10:44:44 +00:00