audit: type=1400 audit(1515605272.304:9): avc: denied { prog_run } for pid=3497 comm="syzkaller106510" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 ------------[ cut here ]------------ unknown opcode cc WARNING: CPU: 0 PID: 3497 at kernel/bpf/core.c:1283 ___bpf_prog_run+0x492a/0x5eb0 kernel/bpf/core.c:1283 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 3497 Comm: syzkaller106510 Not tainted 4.15.0-rc7+ #166 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+0x22/0x40 arch/x86/entry/entry_64.S:1079 RIP: 0010:___bpf_prog_run+0x492a/0x5eb0 kernel/bpf/core.c:1283 RSP: 0018:ffff8801c0226e50 EFLAGS: 00010286 RAX: dffffc0000000008 RBX: 1ffff10038044dd5 RCX: ffffffff8159da9e RDX: 0000000000000000 RSI: ffff8801c00c8da0 RDI: 0000000000000293 RBP: ffff8801c0226f50 R08: 1ffff10038044d5d R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: ffffc90000002048 R14: 00000000000000cc R15: 0000000000000000 __bpf_prog_run32+0xce/0x130 kernel/bpf/core.c:1307 bpf_prog_run_save_cb include/linux/filter.h:546 [inline] sk_filter_trim_cap+0x33c/0x9c0 net/core/filter.c:103 sk_filter include/linux/filter.h:675 [inline] netlink_unicast+0x1b9/0x700 net/netlink/af_netlink.c:1303 nlmsg_unicast include/net/netlink.h:608 [inline] rtnl_unicast net/core/rtnetlink.c:636 [inline] rtnl_stats_get+0x7bb/0xa10 net/core/rtnetlink.c:4245 rtnetlink_rcv_msg+0x733/0x1020 net/core/rtnetlink.c:4411 netlink_rcv_skb+0x224/0x470 net/netlink/af_netlink.c:2408 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:4423 netlink_unicast_kernel net/netlink/af_netlink.c:1275 [inline] netlink_unicast+0x4ee/0x700 net/netlink/af_netlink.c:1301 netlink_sendmsg+0xa4a/0xe60 net/netlink/af_netlink.c:1864 sock_sendmsg_nosec net/socket.c:636 [inline] sock_sendmsg+0xca/0x110 net/socket.c:646 sock_write_iter+0x31a/0x5d0 net/socket.c:915 call_write_iter include/linux/fs.h:1772 [inline] new_sync_write fs/read_write.c:469 [inline] __vfs_write+0x684/0x970 fs/read_write.c:482 vfs_write+0x189/0x510 fs/read_write.c:544 SYSC_write fs/read_write.c:589 [inline] SyS_write+0xef/0x220 fs/read_write.c:581 do_syscall_32_irqs_on arch/x86/entry/common.c:327 [inline] do_fast_syscall_32+0x3ee/0xf9d arch/x86/entry/common.c:389 entry_SYSENTER_compat+0x54/0x63 arch/x86/entry/entry_64_compat.S:129 RIP: 0023:0xf7f8cc79 RSP: 002b:00000000ffe7ae9c EFLAGS: 00000282 ORIG_RAX: 0000000000000004 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000020fd3000 RDX: 0000000000000026 RSI: 00000000080ea00c RDI: 000000000000003f RBP: 0000000000001000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..