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Diffstat (limited to 'gitlab/issues/target_missing/host_missing/accel_missing/2635.toml')
| -rw-r--r-- | gitlab/issues/target_missing/host_missing/accel_missing/2635.toml | 22 |
1 files changed, 0 insertions, 22 deletions
diff --git a/gitlab/issues/target_missing/host_missing/accel_missing/2635.toml b/gitlab/issues/target_missing/host_missing/accel_missing/2635.toml deleted file mode 100644 index 8020ad86..00000000 --- a/gitlab/issues/target_missing/host_missing/accel_missing/2635.toml +++ /dev/null @@ -1,22 +0,0 @@ -id = 2635 -title = "A use-after-free bug in pflash_cfi01 snapshot implementation" -state = "opened" -created_at = "2024-10-21T14:07:42.031Z" -closed_at = "n/a" -labels = [] -url = "https://gitlab.com/qemu-project/qemu/-/issues/2635" -host-os = "- OS/kernel version:" -host-arch = "- QEMU flavor:" -qemu-version = "- QEMU command line:" -guest-os = "- OS/kernel version:" -guest-arch = "## Description of problem" -description = """The flash snapshot restore does not function correctly. Basically when you use “if=pflash,format=raw,unit=0,file=OVMF_VAR.fd", it crashes when trying to restore a snapshot. - -The root cause is: - -1. In system/runstate.c, function vm_state_notify loops through vm_change_state_head list and calls the callback function for each entry. -2. One of the callback function pointer points to function postload_update_cb in hw/block/pflash_cfi01.c. -3. In function postload_update_cb, it calls qemu_del_vm_change_state_handler in which the entry element memory is freed. -4. Note that, it is still running in the loop, the entry will be visited and get executed, the function pointer may point to a wide memory.""" -reproduce = "n/a" -additional = """""" |