WARNING: CPU: 1 PID: 23308 at net/strparser/strparser.c:532 strp_done+0xb7/0xe0 net/strparser/strparser.c:532 Kernel panic - not syncing: panic_on_warn set ... CPU: 1 PID: 23308 Comm: syzkaller017027 Not tainted 4.16.0-rc2+ #323 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x194/0x257 lib/dump_stack.c:53 panic+0x1e4/0x41c kernel/panic.c:183 __warn+0x1dc/0x200 kernel/panic.c:547 report_bug+0x211/0x2d0 lib/bug.c:184 fixup_bug.part.11+0x37/0x80 arch/x86/kernel/traps.c:178 fixup_bug arch/x86/kernel/traps.c:247 [inline] do_error_trap+0x2d7/0x3e0 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:315 invalid_op+0x58/0x80 arch/x86/entry/entry_64.S:957 RIP: 0010:strp_done+0xb7/0xe0 net/strparser/strparser.c:532 RSP: 0018:ffff8801d5357770 EFLAGS: 00010293 RAX: ffff8801ad036340 RBX: ffff8801aa26a308 RCX: ffffffff85167b37 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8801aa26a310 RBP: ffff8801d5357788 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff8801bb7da9c0 R13: ffffc900012a8000 R14: ffff8801b2771500 R15: ffff8801d5357988 kcm_attach net/kcm/kcmsock.c:1420 [inline] kcm_attach_ioctl net/kcm/kcmsock.c:1477 [inline] kcm_ioctl+0x139a/0x17f0 net/kcm/kcmsock.c:1682 sock_do_ioctl+0xef/0x390 net/socket.c:958 sock_ioctl+0x36b/0x610 net/socket.c:1081 vfs_ioctl fs/ioctl.c:46 [inline] do_vfs_ioctl+0x1b1/0x1520 fs/ioctl.c:686 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 do_syscall_64+0x280/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x446fa9 RSP: 002b:00007f9b352f7d98 EFLAGS: 00000297 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00000000006e29dc RCX: 0000000000446fa9 RDX: 000000002031aff8 RSI: 00000000000089e0 RDI: 0000000000000008 RBP: 00000000006e29d8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000297 R12: 0000000000000000 R13: 00007ffc6f0484ff R14: 00007f9b352f89c0 R15: 0000000000000007 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..