netlink: 3 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor1'. kasan: CONFIG_KASAN_INLINE enabled kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 3945 Comm: kworker/1:2 Not tainted 4.15.0-rc2+ #145 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: crypto cryptd_queue_worker task: 000000008ec3e409 task.stack: 000000009f9b98e8 RIP: 0010:scatterwalk_start include/crypto/scatterwalk.h:86 [inline] RIP: 0010:scatterwalk_pagedone include/crypto/scatterwalk.h:111 [inline] RIP: 0010:scatterwalk_copychunks+0x337/0x480 crypto/scatterwalk.c:55 RSP: 0018:ffff8801d5b27060 EFLAGS: 00010202 RAX: 0000000000000000 RBX: 0000000000000fe2 RCX: ffffffff824fe5c9 RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000008 RBP: ffff8801d5b270c0 R08: ffffed00399ff04c R09: ffffed00399ff04c R10: 0000000000000004 R11: ffffed00399ff04b R12: 0000000000000fe2 R13: ffff8801d5b27370 R14: dffffc0000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000ce5cd8 CR3: 00000001cd539000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: skcipher_next_slow crypto/skcipher.c:272 [inline] skcipher_walk_next+0x8db/0x1bd0 crypto/skcipher.c:357 skcipher_walk_done+0x43c/0xcb0 crypto/skcipher.c:154 chacha20_simd+0x288/0x410 arch/x86/crypto/chacha20_glue.c:89 crypto_skcipher_decrypt include/crypto/skcipher.h:463 [inline] cryptd_skcipher_decrypt+0x2de/0x5a0 crypto/cryptd.c:523 cryptd_queue_worker+0xff/0x1b0 crypto/cryptd.c:190 process_one_work+0xbfd/0x1be0 kernel/workqueue.c:2112 worker_thread+0x223/0x1990 kernel/workqueue.c:2246 kthread+0x37a/0x440 kernel/kthread.c:238 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:441 Code: 89 ff e8 1d 71 2a 00 4c 89 ea 49 89 c7 48 c1 ea 03 42 80 3c 32 00 0f 85 c9 00 00 00 49 8d 7f 08 4d 89 7d 00 48 89 fa 48 c1 ea 03 <42> 0f b6 14 32 84 d2 74 09 80 fa 03 0f 8e 9e 00 00 00 48 8b 45 RIP: scatterwalk_start include/crypto/scatterwalk.h:86 [inline] RSP: ffff8801d5b27060 RIP: scatterwalk_pagedone include/crypto/scatterwalk.h:111 [inline] RSP: ffff8801d5b27060 RIP: scatterwalk_copychunks+0x337/0x480 crypto/scatterwalk.c:55 RSP: ffff8801d5b27060 ---[ end trace 1eb30594487d4807 ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..