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: 17 Comm: kworker/1:0 Not tainted 4.15.0-rc2+ #145 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: crypto mcryptd_flusher task: 0000000088dfd02c task.stack: 00000000492d896a 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:ffff8801da3eedd8 EFLAGS: 00010202 RAX: 0000000000000000 RBX: 000000000000000c RCX: ffffffff824fe5c9 RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000008 RBP: ffff8801da3eee38 R08: ffffed00392dbf14 R09: ffffed00392dbf14 R10: 0000000000000002 R11: ffffed00392dbf13 R12: 000000000000000c R13: ffff8801da3eeff0 R14: dffffc0000000000 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000203e6000 CR3: 00000001bf71d000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: blkcipher_next_slow crypto/blkcipher.c:175 [inline] blkcipher_walk_next+0xca0/0x13d0 crypto/blkcipher.c:255 blkcipher_walk_done+0x518/0xde0 crypto/blkcipher.c:133 crypto_ctr_crypt+0x3ca/0x840 crypto/ctr.c:146 skcipher_crypt_blkcipher crypto/skcipher.c:622 [inline] skcipher_decrypt_blkcipher+0x213/0x310 crypto/skcipher.c:640 crypto_skcipher_decrypt include/crypto/skcipher.h:463 [inline] chacha_decrypt crypto/chacha20poly1305.c:152 [inline] poly_tail_continue+0x42a/0x6b0 crypto/chacha20poly1305.c:167 async_done_continue crypto/chacha20poly1305.c:80 [inline] poly_tail_done+0x87/0xa0 crypto/chacha20poly1305.c:172 sha_complete_job+0x5c6/0x830 arch/x86/crypto/sha512-mb/sha512_mb.c:505 sha512_mb_flusher+0x2b4/0x5e0 arch/x86/crypto/sha512-mb/sha512_mb.c:973 mcryptd_flusher+0x310/0x480 crypto/mcryptd.c:212 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: ffff8801da3eedd8 RIP: scatterwalk_pagedone include/crypto/scatterwalk.h:111 [inline] RSP: ffff8801da3eedd8 RIP: scatterwalk_copychunks+0x337/0x480 crypto/scatterwalk.c:55 RSP: ffff8801da3eedd8 ---[ end trace 621475a73927492b ]--- Kernel panic - not syncing: Fatal exception in interrupt sctp: [Deprecated]: syz-executor4 (pid 25543) Use of int in maxseg socket option. Use struct sctp_assoc_value instead Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..