audit: type=1400 audit(1514947365.036:10): avc:  denied  { sys_chroot } for  pid=3501 comm="syz-executor5" capability=18  scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1
WARNING: CPU: 1 PID: 3518 at net/rds/rdma.c:617 rds_cmsg_rdma_args+0xf8a/0x1380 net/rds/rdma.c:617
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 3518 Comm: syz-executor5 Not tainted 4.15.0-rc6+ #155
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:rds_cmsg_rdma_args+0xf8a/0x1380 net/rds/rdma.c:617
RSP: 0018:ffff8801c5b77420 EFLAGS: 00010293
RAX: ffff8801c5472080 RBX: ffff8801d5178a38 RCX: ffffffff85115f4a
RDX: 0000000000000000 RSI: 00000000014080c0 RDI: ffff8801c5475ef0
RBP: ffff8801c5b775b0 R08: 0000000000000000 R09: 1ffff10038b6ee59
R10: ffff8801c5b77290 R11: 0000000000000000 R12: 0000000000000000
R13: ffff8801c67dfb40 R14: ffff8801d5178a00 R15: 1ffff10038b6ee98
 rds_cmsg_send net/rds/send.c:943 [inline]
 rds_sendmsg+0x144d/0x1f90 net/rds/send.c:1127
 sock_sendmsg_nosec net/socket.c:636 [inline]
 sock_sendmsg+0xca/0x110 net/socket.c:646
 ___sys_sendmsg+0x320/0x8b0 net/socket.c:2026
 __sys_sendmmsg+0x31b/0x620 net/socket.c:2109
 C_SYSC_sendmmsg net/compat.c:745 [inline]
 compat_SyS_sendmmsg+0x32/0x40 net/compat.c:742
 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: 0023:0xf7ff5c79
RSP: 002b:00000000f7ff108c EFLAGS: 00000296 ORIG_RAX: 0000000000000159
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000002099ffc4
RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 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..