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: 3574 Comm: syzkaller431886 Not tainted 4.15.0-rc2-mm1+ #39 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__le32_to_cpup include/uapi/linux/byteorder/little_endian.h:58 [inline] RIP: 0010:get_unaligned_le32 include/linux/unaligned/access_ok.h:15 [inline] RIP: 0010:crypto_chacha20_init crypto/chacha20_generic.c:52 [inline] RIP: 0010:crypto_chacha20_crypt+0x537/0xbd0 crypto/chacha20_generic.c:85 RSP: 0018:ffff8801c0cb74a0 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 00000000e6000000 RCX: ffffffff8226f20b RDX: 0000000000000000 RSI: ffff8801c0ce7e40 RDI: ffff8801c0cb753c RBP: ffff8801c0cb76c0 R08: ffffed003821f7cc R09: ffff8801c10fbe40 R10: ffff8801c0cb76e0 R11: ffffed003821f7cb R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 0000000000ca9880(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fb0230ef000 CR3: 00000001c2f97006 CR4: 00000000001606e0 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:126 [inline] skcipher_recvmsg+0x739/0xf20 crypto/algif_skcipher.c:165 sock_recvmsg_nosec net/socket.c:809 [inline] sock_recvmsg+0xc9/0x110 net/socket.c:816 sock_read_iter+0x361/0x560 net/socket.c:893 call_read_iter include/linux/fs.h:1770 [inline] aio_read+0x2b0/0x3a0 fs/aio.c:1501 io_submit_one fs/aio.c:1611 [inline] do_io_submit+0xf99/0x14f0 fs/aio.c:1682 SYSC_io_submit fs/aio.c:1707 [inline] SyS_io_submit+0x27/0x30 fs/aio.c:1704 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x446359 RSP: 002b:00000000007efa58 EFLAGS: 00000213 ORIG_RAX: 00000000000000d1 RAX: ffffffffffffffda RBX: 00000000ffffffff RCX: 0000000000446359 RDX: 0000000020738000 RSI: 0000000000000001 RDI: 00007fb0230ef000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000213 R12: 000000000000018f R13: 0000000000007a07 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: ffff8801c0cb74a0 RIP: get_unaligned_le32 include/linux/unaligned/access_ok.h:15 [inline] RSP: ffff8801c0cb74a0 RIP: crypto_chacha20_init crypto/chacha20_generic.c:52 [inline] RSP: ffff8801c0cb74a0 RIP: crypto_chacha20_crypt+0x537/0xbd0 crypto/chacha20_generic.c:85 RSP: ffff8801c0cb74a0 ---[ end trace f2ea254442c1df92 ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..