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: 0 PID: 8892 Comm: syzkaller042801 Not tainted 4.14.0+ #192 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8801c95d8580 task.stack: ffff8801ccdc0000 RIP: 0010:__le32_to_cpup include/uapi/linux/byteorder/little_endian.h:58 [inline] RIP: 0010:le32_to_cpuvp crypto/chacha20_generic.c:19 [inline] RIP: 0010:crypto_chacha20_init crypto/chacha20_generic.c:58 [inline] RIP: 0010:crypto_chacha20_crypt+0x537/0xbd0 crypto/chacha20_generic.c:91 RSP: 0018:ffff8801ccdc75b0 EFLAGS: 00010207 RAX: dffffc0000000000 RBX: 00000000ef9ecba1 RCX: ffffffff82266a2b RDX: 0000000000000050 RSI: ffff8801c91e0300 RDI: ffff8801ccdc764c RBP: ffff8801ccdc77d0 R08: ffffed003aa408fc R09: ffff8801d52047c0 R10: ffff8801ccdc77f0 R11: ffffed003aa408fb R12: 0000000000000000 R13: 0000000000000286 R14: 000000005c3d10a6 R15: dffffc0000000000 FS: 0000000000c41880(0000) GS:ffff8801db400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020216000 CR3: 00000001d3147000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: chacha20_simd+0xe4/0x410 arch/x86/crypto/chacha20_glue.c:78 crypto_skcipher_decrypt include/crypto/skcipher.h:463 [inline] _skcipher_recvmsg crypto/algif_skcipher.c:133 [inline] skcipher_recvmsg+0xb06/0xf30 crypto/algif_skcipher.c:164 skcipher_recvmsg_nokey+0x60/0x80 crypto/algif_skcipher.c:283 sock_recvmsg_nosec net/socket.c:805 [inline] sock_recvmsg+0xc9/0x110 net/socket.c:812 ___sys_recvmsg+0x29b/0x630 net/socket.c:2207 __sys_recvmsg+0xe2/0x210 net/socket.c:2252 SYSC_recvmsg net/socket.c:2264 [inline] SyS_recvmsg+0x2d/0x50 net/socket.c:2259 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x440859 RSP: 002b:00007ffc18a1ee38 EFLAGS: 00000217 ORIG_RAX: 000000000000002f RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440859 RDX: 0000000040010101 RSI: 000000002008dfc8 RDI: 0000000000000004 RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000020 R11: 0000000000000217 R12: 0000000000000000 R13: 0000000000401d90 R14: 0000000000000000 R15: 0000000000000000 Code: 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 d6 05 00 00 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 89 9d 7c fe ff ff 48 c1 ea 03 <0f> b6 14 02 4c 89 e8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 RIP: __le32_to_cpup include/uapi/linux/byteorder/little_endian.h:58 [inline] RSP: ffff8801ccdc75b0 RIP: le32_to_cpuvp crypto/chacha20_generic.c:19 [inline] RSP: ffff8801ccdc75b0 RIP: crypto_chacha20_init crypto/chacha20_generic.c:58 [inline] RSP: ffff8801ccdc75b0 RIP: crypto_chacha20_crypt+0x537/0xbd0 crypto/chacha20_generic.c:91 RSP: ffff8801ccdc75b0 ---[ end trace edec18d696d8cd01 ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..