audit: type=1326 audit(1513280996.174:2524): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 pid=16656 comm="syz-executor2" exe="/root/syz-executor2" sig=31 arch=c000003e syscall=202 compat=0 ip=0x452a39 code=0xffff0000 BUG: unable to handle kernel NULL pointer dereference at (null) IP: (null) PGD 1e3eaf067 P4D 1e3eaf067 PUD 2157bd067 PMD 0 Oops: 0010 [#1] SMP Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 1 PID: 16697 Comm: syz-executor4 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:ffffc90000d5fdf8 EFLAGS: 00010216 RAX: 0000000000010000 RBX: ffff8801df81ba80 RCX: ffffffff816783d1 RDX: 0000000000000014 RSI: ffff88021567e3e0 RDI: ffff8801df81ba80 RBP: ffffc90000d5fe30 R08: 000000f8ffffffe9 R09: 0000000000000001 R10: ffffc90000d5fdf8 R11: 0000000000000000 R12: ffff88021567e3e0 R13: 0000000000000014 R14: ffff8801e0a08c50 R15: 0000000000000000 FS: 00007f2e99872700(0000) GS:ffff88021fd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000001dba2f000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000007 DR2: 0000000000000009 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: aead_geniv_setkey+0x29/0x30 crypto/aead.c:181 crypto_aead_setkey+0x3e/0xe0 crypto/aead.c:61 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:00007f2e99871c58 EFLAGS: 00000212 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000758020 RCX: 0000000000452a39 RDX: 0000000000000001 RSI: 0000000000000117 RDI: 0000000000000016 RBP: 0000000000000021 R08: 0000000000000014 R09: 0000000000000000 R10: 00000000203cbfec R11: 0000000000000212 R12: 00000000006ee3b8 R13: 00000000ffffffff R14: 00007f2e998726d4 R15: 0000000000000000 Code: Bad RIP value. RIP: (null) RSP: ffffc90000d5fdf8 CR2: 0000000000000000 ---[ end trace decdb42f6c7d3923 ]--- Kernel panic - not syncing: Fatal exception Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..