]> git.maquefel.me Git - qemu.git/commit
projects / qemu.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: abc9bf6) | patch
cpus: Proper range-checking for -icount shift=N
authorMarkus Armbruster <armbru@redhat.com>
Wed, 22 Apr 2020 13:07:09 +0000 (15:07 +0200)
committerMarkus Armbruster <armbru@redhat.com>
Wed, 29 Apr 2020 06:01:52 +0000 (08:01 +0200)
commit9ec374a781c34daa6e70fcd885ef30e090cc2384
treeab9586712a191596b64f3dbdc07816cd7e1b3f4btree | snapshot
parentabc9bf69a66a11499a801ff545b8fe7adbb3a04ccommit | diff
cpus: Proper range-checking for -icount shift=N

timers_state.icount_time_shift must be in [0,63] to avoid undefined
behavior when shifting by it, e.g. in cpu_icount_to_ns().
icount_adjust() clamps it to [0,MAX_ICOUNT_SHIFT], with
MAX_ICOUNT_SHIFT = 10.  configure_icount() doesn't.  Fix that.

Fixes: a8bfac37085c3372366d722f131a7e18d664ee4d
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200422130719.28225-5-armbru@redhat.com>
cpus.c diff | blob | history
Unnamed repository; edit this file 'description' to name the repository.