RBP: 000000000072be80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 R13: 00000000004d1698 R14: 00000000004c6dd7 R15: 0000000000000016 proc_fill_super: allocate dentry failed ================================================================== BUG: KASAN: use-after-free in fast_dput fs/dcache.c:717 [inline] BUG: KASAN: use-after-free in dput.part.26+0x634/0x7a0 fs/dcache.c:836 Read of size 4 at addr ffff8801da848340 by task syz-executor1/24780 CPU: 1 PID: 24780 Comm: syz-executor1 Not tainted 4.18.0-rc6-next-20180724+ #17 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 ? kmsg_dump_rewind_n