| FILE: crypto/blkcipher.c |
| |
| BUG: unable to handle kernel NULL pointer dereference at 0000000000000074 |
| IP: virt_to_cache mm/slab.c:400 [inline] |
| IP: kfree+0xb2/0x250 mm/slab.c:3802 |
| PGD 1c18ff067 P4D 1c18ff067 PUD 1c3556067 PMD 0 |
| Oops: 0000 [#1] SMP KASAN |
| Dumping ftrace buffer: |
| (ftrace buffer empty) |
| Modules linked in: |
| CPU: 1 PID: 24672 Comm: syz-executor7 Not tainted 4.14.0+ #129 |
| Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS |
| Google 01/01/2011 |
| task: ffff8801c904c540 task.stack: ffff8801a4320000 |
| RIP: 0010:virt_to_cache mm/slab.c:400 [inline] |
| RIP: 0010:kfree+0xb2/0x250 mm/slab.c:3802 |
| RSP: 0018:ffff8801a4327750 EFLAGS: 00010046 |
| RAX: 0000000000000000 RBX: ffff8801a4327918 RCX: ffffffffffffffff |
| RDX: ffffea000690c9c0 RSI: 0000000000000000 RDI: ffff8801a4327918 |
| RBP: ffff8801a4327770 R08: ffffed003a6e6874 R09: 0000000000000000 |
| R10: 0000000000000001 R11: ffffed003a6e6873 R12: 0000000000000286 |
| R13: 0000000000000000 R14: ffff8801a4327918 R15: ffff8801a4327880 |
| FS: 00007f63f74de700(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000 |
| CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 |
| CR2: 0000000000000074 CR3: 00000001c6f12000 CR4: 00000000001406e0 |
| DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 |
| DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 |
| Call Trace: |
| blkcipher_walk_done+0x72b/0xde0 crypto/blkcipher.c:139 |
