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qemu-e2k/block
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Kevin Wolf fed8245015 block: Fix locking in media change monitor commands 
blk_insert_bs() requires that the caller holds the AioContext lock for
the node to be inserted. Since commit c066e808e11, neglecting to do so
causes a crash when the child has to be moved to a different AioContext
to attach it to the BlockBackend.

This fixes qmp_blockdev_insert_anon_medium(), which is called for the
QMP commands 'blockdev-insert-medium' and 'blockdev-change-medium', to
correctly take the lock.

Cc: qemu-stable@nongnu.org
Fixes: https://issues.redhat.com/browse/RHEL-3922
Fixes: c066e808e11a5c181b625537b6c78e0de27a4801
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-ID: <20231013153302.39234-2-kwolf@redhat.com>
Reviewed-by: Hanna Czenczek <hreitz@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2023-10-31 13:51:28 +01:00
..
export
block: Mark bdrv_first_blk() and bdrv_is_root_node() GRAPH_RDLOCK
2023-10-12 16:31:33 +02:00
monitor
block: Mark bdrv_op_is_blocked() and callers GRAPH_RDLOCK
2023-10-12 16:31:33 +02:00
accounting.c
block: add missed block_acct_setup with new block device init procedure
2022-09-30 18:42:34 +02:00
aio_task.c
block/aio_task: assert max_busy_tasks is greater than 0
2021-10-05 18:56:41 +02:00
amend.c
block: Mark BlockDriver callbacks for amend job GRAPH_RDLOCK
2023-05-10 14:16:54 +02:00
backup.c
block: Mark bdrv_get_parent_name() and callers GRAPH_RDLOCK
2023-10-12 16:31:33 +02:00
blkdebug.c
blkdebug: add missing coroutine_fn annotation
2023-04-25 13:17:28 +02:00
blkio.c
block/blkio: add more comments on the fd passing handling
2023-08-03 11:28:43 -04:00
blklogwrites.c
block: Mark bdrv_unref_child() GRAPH_WRLOCK
2023-09-20 17:46:01 +02:00
blkreplay.c
block: Mark bdrv_co_refresh_total_sectors() and callers GRAPH_RDLOCK
2023-02-23 19:49:33 +01:00
blkverify.c
block: Mark bdrv_unref_child() GRAPH_WRLOCK
2023-09-20 17:46:01 +02:00
block-backend.c
block: Mark bdrv_op_is_blocked() and callers GRAPH_RDLOCK
2023-10-12 16:31:33 +02:00
block-copy.c
block: spelling fixes
2023-09-08 13:08:52 +03:00
block-gen.h
block-coroutine-wrapper.py: support also basic return types
2022-12-15 16:07:43 +01:00
block-ram-registrar.c
block: add BlockRAMRegistrar
2022-10-26 14:56:42 -04:00
bochs.c
block: Mark bdrv_apply_auto_read_only() and callers GRAPH_RDLOCK
2023-10-12 16:31:33 +02:00
cloop.c
block: Mark bdrv_apply_auto_read_only() and callers GRAPH_RDLOCK
2023-10-12 16:31:33 +02:00
commit.c
block: Mark bdrv_op_is_blocked() and callers GRAPH_RDLOCK
2023-10-12 16:31:33 +02:00
copy-before-write.c
block: convert more bdrv_is_allocated* and bdrv_block_status* calls to coroutine versions
2023-10-12 16:31:33 +02:00
copy-before-write.h
block/copy-before-write.h: global state API + assertions
2022-03-04 18:18:25 +01:00
copy-on-read.c
block: convert more bdrv_is_allocated* and bdrv_block_status* calls to coroutine versions
2023-10-12 16:31:33 +02:00
copy-on-read.h
Clean up ill-advised or unusual header guards
2022-05-11 16:50:01 +02:00
coroutines.h
nbd: Mark nbd_co_do_establish_connection() and callers GRAPH_RDLOCK
2023-05-10 14:16:53 +02:00
create.c
block: Call .bdrv_co_create(_opts) unlocked
2023-05-19 19:12:12 +02:00
crypto.c
block: Mark bdrv_amend_options() and callers GRAPH_RDLOCK
2023-10-12 16:31:33 +02:00
crypto.h
nomaintainer: Fix Lesser GPL version number
2020-11-15 17:04:40 +01:00
curl.c
block: Mark bdrv_apply_auto_read_only() and callers GRAPH_RDLOCK
2023-10-12 16:31:33 +02:00
dirty-bitmap.c
block: Mark bdrv_*_dirty_bitmap() and callers GRAPH_RDLOCK
2023-02-23 19:49:32 +01:00
dmg-bz2.c
…
dmg-lzfse.c
block/dmg: Ignore C99 prototype declaration mismatch from <lzfse.h>
2023-03-30 15:03:36 +02:00
dmg.c
block: Mark bdrv_apply_auto_read_only() and callers GRAPH_RDLOCK
2023-10-12 16:31:33 +02:00
dmg.h
block/dmg: Declare a type definition for DMG uncompress function
2023-04-24 13:53:44 -04:00
file-posix.c
Block patches
2023-09-21 09:05:10 -04:00
file-win32.c
thread-pool: avoid passing the pool parameter every time
2023-04-25 13:17:28 +02:00
filter-compress.c
block: remove has_variable_length from filters
2023-04-11 16:38:56 +02:00
gluster.c
block: Mark bdrv_apply_auto_read_only() and callers GRAPH_RDLOCK
2023-10-12 16:31:33 +02:00
graph-lock.c
block: Add assertion for bdrv_graph_wrlock()
2023-10-12 16:31:33 +02:00
io_uring.c
block/io_uring: convert to blk_io_plug_call() API
2023-06-01 07:34:03 -04:00
io.c
block: Mark bdrv_parent_cb_resize() and callers GRAPH_RDLOCK
2023-10-12 16:31:33 +02:00
iscsi-opts.c
modules: add block module annotations
2021-07-09 18:20:27 +02:00
iscsi.c
block: Mark bdrv_apply_auto_read_only() and callers GRAPH_RDLOCK
2023-10-12 16:31:33 +02:00
linux-aio.c
block: spelling fixes
2023-09-08 13:08:52 +03:00
meson.build
block/meson.build: Restore alphabetical order of files
2023-09-08 17:03:09 +02:00
mirror.c
block: convert more bdrv_is_allocated* and bdrv_block_status* calls to coroutine versions
2023-10-12 16:31:33 +02:00
nbd.c
block: Mark bdrv_apply_auto_read_only() and callers GRAPH_RDLOCK
2023-10-12 16:31:33 +02:00
nfs.c
block: Mark bdrv_refresh_filename() and callers GRAPH_RDLOCK
2023-10-12 16:31:33 +02:00
null.c
block: Convert bdrv_get_allocated_file_size() to co_wrapper
2023-02-01 16:52:32 +01:00
nvme.c
block/nvme: invoke blk_io_plug_call() outside q->lock
2023-07-17 09:17:41 -04:00
parallels-ext.c
include/block: Untangle inclusion loops
2023-01-20 07:24:28 +01:00
parallels.c
migration: simplify blockers
2023-10-20 08:51:41 +02:00
parallels.h
parallels: collect bitmap of used clusters at open
2023-09-21 08:47:34 +02:00
plug.c
block: add blk_io_plug_call() API
2023-06-01 07:34:03 -04:00
preallocate.c
preallocate: Don't poll during permission updates
2023-09-20 17:46:00 +02:00
progress_meter.c
coroutine: Clean up superfluous inclusion of qemu/lockable.h
2023-01-19 10:18:28 +01:00
qapi-sysemu.c
block: Fix locking in media change monitor commands
2023-10-31 13:51:28 +01:00
qapi.c
block: Mark bdrv_refresh_filename() and callers GRAPH_RDLOCK
2023-10-12 16:31:33 +02:00
qcow2-bitmap.c
qcow2: Mark check_constraints_on_bitmap() GRAPH_RDLOCK
2023-10-12 16:31:33 +02:00
qcow2-cache.c
qcow2: Mark qcow2_signal_corruption() and callers GRAPH_RDLOCK
2023-10-12 16:31:33 +02:00
qcow2-cluster.c
qcow2: Mark qcow2_signal_corruption() and callers GRAPH_RDLOCK
2023-10-12 16:31:33 +02:00
qcow2-refcount.c
qcow2: Mark qcow2_signal_corruption() and callers GRAPH_RDLOCK
2023-10-12 16:31:33 +02:00
qcow2-snapshot.c
qcow2: mark various functions as coroutine_fn and GRAPH_RDLOCK
2023-04-25 13:17:28 +02:00
qcow2-threads.c
thread-pool: avoid passing the pool parameter every time
2023-04-25 13:17:28 +02:00
qcow2.c
qcow2: Mark qcow2_inactivate() and callers GRAPH_RDLOCK
2023-10-12 16:31:33 +02:00
qcow2.h
qcow2: Mark qcow2_signal_corruption() and callers GRAPH_RDLOCK
2023-10-12 16:31:33 +02:00
qcow.c
migration: simplify blockers
2023-10-20 08:51:41 +02:00
qed-check.c
qed: mark more functions as coroutine_fns and GRAPH_RDLOCK
2023-06-28 09:46:20 +02:00
qed-cluster.c
…
qed-l2-cache.c
osdep: Move memalign-related functions to their own header
2022-03-07 13:16:49 +00:00
qed-table.c
block: use bdrv_co_debug_event in coroutine context
2023-06-28 09:46:34 +02:00
qed.c
block: mark mixed functions that can suspend
2023-09-26 18:09:08 +02:00
qed.h
block: Mark public read/write functions GRAPH_RDLOCK
2023-02-23 19:49:17 +01:00
quorum.c
block: Mark bdrv_get_parent_name() and callers GRAPH_RDLOCK
2023-10-12 16:31:33 +02:00
raw-format.c
block: Mark bdrv_refresh_filename() and callers GRAPH_RDLOCK
2023-10-12 16:31:33 +02:00
rbd.c
block: Mark bdrv_apply_auto_read_only() and callers GRAPH_RDLOCK
2023-10-12 16:31:33 +02:00
replication.c
block: Protect bs->children with graph_lock
2023-10-12 16:31:33 +02:00
reqlist.c
block/reqlist: add reqlist_wait_all()
2022-03-07 09:33:30 +01:00
snapshot-access.c
block: Make more BlockDriver definitions static
2023-09-08 17:03:09 +02:00
snapshot.c
block: Mark bdrv_get_parent_name() and callers GRAPH_RDLOCK
2023-10-12 16:31:33 +02:00
ssh.c
aio: remove aio_disable_external() API
2023-05-30 17:37:26 +02:00
stream.c
block: convert more bdrv_is_allocated* and bdrv_block_status* calls to coroutine versions
2023-10-12 16:31:33 +02:00
throttle-groups.c
block: mark mixed functions that can suspend
2023-09-26 18:09:08 +02:00
throttle.c
block/throttle-groups: Use ThrottleDirection instread of bool is_write
2023-08-29 10:49:24 +02:00
trace-events
nbd/client: Accept 64-bit block status chunks
2023-10-05 11:02:08 -05:00
trace.h
trace: switch position of headers to what Meson requires
2020-08-21 06:18:24 -04:00
vdi.c
migration: simplify blockers
2023-10-20 08:51:41 +02:00
vhdx-endian.c
…
vhdx-log.c
vhdx: mark more functions as coroutine_fns and GRAPH_RDLOCK
2023-06-28 09:46:30 +02:00
vhdx.c
migration: simplify blockers
2023-10-20 08:51:41 +02:00
vhdx.h
block: Mark bdrv_refresh_filename() and callers GRAPH_RDLOCK
2023-10-12 16:31:33 +02:00
vmdk.c
migration: simplify blockers
2023-10-20 08:51:41 +02:00
vpc.c
migration: simplify blockers
2023-10-20 08:51:41 +02:00
vvfat.c
migration: simplify blockers
2023-10-20 08:51:41 +02:00
win32-aio.c
aio: remove aio_disable_external() API
2023-05-30 17:37:26 +02:00
write-threshold.c
include/block: Untangle inclusion loops
2023-01-20 07:24:28 +01:00