Option ' ä…õ ø' to dns_resolver key: bad/missing value BUG: unable to handle kernel NULL pointer dereference at (null) IP: (null) PGD 1dcaa8067 P4D 1dcaa8067 PUD 1df5f5067 PMD 0 Oops: 0010 [#1] SMP Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 10513 Comm: syz-executor6 Not tainted 4.15.0-rc3-next-20171214+ #67 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010: (null) RSP: 0018:ffffc90000db7e60 EFLAGS: 00010216 RAX: 0000000000010000 RBX: ffff880216506880 RCX: ffffffff816783d1 RDX: 00000000000000b9 RSI: ffff88020cfc5cc0 RDI: ffff880216506880 RBP: ffffc90000db7e98 R08: 0000000000000000 R09: 0000000000000001 R10: ffffc90000db7df8 R11: 0000000000000000 R12: ffff88020cfc5cc0 R13: 00000000000000b9 R14: ffff8801e0420c50 R15: 0000000000000000 FS: 00007ff5a79a8700(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000001db8f8000 CR4: 00000000001426e0 DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000020000000 DR3: 0000000020000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: aead_setkey+0x25/0x40 crypto/algif_aead.c:528 alg_setkey crypto/af_alg.c:221 [inline] alg_setsockopt+0x140/0x180 crypto/af_alg.c:254 SYSC_setsockopt net/socket.c:1829 [inline] SyS_setsockopt+0x8a/0x100 net/socket.c:1808 entry_SYSCALL_64_fastpath+0x1f/0x96 RIP: 0033:0x452a39 RSP: 002b:00007ff5a79a7c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452a39 RDX: 0000000000000001 RSI: 0000000000000117 RDI: 0000000000000013 RBP: 000000000000001a R08: 00000000000000b9 R09: 0000000000000000 R10: 0000000020f3bf47 R11: 0000000000000212 R12: 00000000006ee310 R13: 00000000ffffffff R14: 00007ff5a79a86d4 R15: 0000000000000000 Code: Bad RIP value. RIP: (null) RSP: ffffc90000db7e60 CR2: 0000000000000000 ---[ end trace 7d5f50e7653f0bd1 ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..