On 2020/05/26 12:46, syzbot wrote: > general protection fault, probably for non-canonical address > 0xe000026660000003: 0000 [#1] PREEMPT SMP KASAN > KASAN: probably user-memory-access in range > [0x0000333300000018-0x000033330000001f] > CPU: 0 PID: 12489 Comm: systemd-rfkill Not tainted 5.7.0-rc6-syzkaller #0 > Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS > Google 01/01/2011 > RIP: 0010:tomoyo_check_acl+0xa9/0x3e0 security/tomoyo/domain.c:173
struct tomoyo_acl_info *ptr == 0x0000333300000000 is strange; such pointer can't be linked into standard doubly linked list using list_add_tail_rcu(). Thus, this report would to be an victim of memory corruption.
