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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:07 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:17 +0200 |
| commit | 9260319e7411ff8281700a532caa436f40120ec4 (patch) | |
| tree | 2f6bfe5f3458dd49d328d3a9eb508595450adec0 /gitlab/issues/target_missing/host_missing/accel_missing/2635.toml | |
| parent | 225caa38269323af1bfc2daadff5ec8bd930747f (diff) | |
| download | emulator-bug-study-9260319e7411ff8281700a532caa436f40120ec4.tar.gz emulator-bug-study-9260319e7411ff8281700a532caa436f40120ec4.zip | |
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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 = """""" |