sg_write: data in/out 374344/6 bytes for SCSI command 0x0-- guessing data in;
   program syz-executor2 not setting count and/or reply_len properly
WARNING: CPU: 0 PID: 21597 at net/bridge/netfilter/ebtables.c:2056 ebt_size_mwt net/bridge/netfilter/ebtables.c:2056 [inline]
WARNING: CPU: 0 PID: 21597 at net/bridge/netfilter/ebtables.c:2056 size_entry_mwt net/bridge/netfilter/ebtables.c:2122 [inline]
WARNING: CPU: 0 PID: 21597 at net/bridge/netfilter/ebtables.c:2056 compat_copy_entries+0xcfa/0x1050 net/bridge/netfilter/ebtables.c:2160
sg_write: data in/out 374344/6 bytes for SCSI command 0x0-- guessing data in;
   program syz-executor2 not setting count and/or reply_len properly
Kernel panic - not syncing: panic_on_warn set ...

CPU: 0 PID: 21597 Comm: syz-executor4 Not tainted 4.16.0-rc3+ #247
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+0x194/0x24d 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+0x1b/0x40 arch/x86/entry/entry_64.S:986
RIP: 0010:ebt_size_mwt net/bridge/netfilter/ebtables.c:2056 [inline]
RIP: 0010:size_entry_mwt net/bridge/netfilter/ebtables.c:2122 [inline]
RIP: 0010:compat_copy_entries+0xcfa/0x1050 net/bridge/netfilter/ebtables.c:2160
RSP: 0018:ffff8801b72a7828 EFLAGS: 00010212
RAX: 0000000000010000 RBX: 0000000000000000 RCX: ffffffff851aa9ba
RDX: 0000000000000559 RSI: ffffc90004bf8000 RDI: 0000000000000000
RBP: ffff8801b72a79a8 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff88613340 R11: 0000000000000001 R12: 000000000000000f
R13: dffffc0000000000 R14: ffff8801b72a7a08 R15: ffffc900082e9343
 compat_do_replace+0x398/0x7c0 net/bridge/netfilter/ebtables.c:2249
 compat_do_ebt_set_ctl+0x22a/0x2d0 net/bridge/netfilter/ebtables.c:2330
 compat_nf_sockopt net/netfilter/nf_sockopt.c:144 [inline]
 compat_nf_setsockopt+0x88/0x130 net/netfilter/nf_sockopt.c:156
 compat_ip_setsockopt+0x8b/0xd0 net/ipv4/ip_sockglue.c:1285
 compat_udp_setsockopt+0x45/0x80 net/ipv4/udp.c:2416
 compat_sock_common_setsockopt+0xb2/0x140 net/core/sock.c:2986
 C_SYSC_setsockopt net/compat.c:403 [inline]
 compat_SyS_setsockopt+0x17c/0x410 net/compat.c:386
 do_syscall_32_irqs_on arch/x86/entry/common.c:330 [inline]
 do_fast_syscall_32+0x3ec/0xf9f arch/x86/entry/common.c:392
 entry_SYSENTER_compat+0x70/0x7f arch/x86/entry/entry_64_compat.S:139
RIP: 0023:0xf7f62c99
RSP: 002b:00000000f775e09c EFLAGS: 00000286 ORIG_RAX: 000000000000016e
RAX: ffffffffffffffda RBX: 0000000000000013 RCX: 0000000000000000
RDX: 0000000000000080 RSI: 0000000020000700 RDI: 0000000000000548
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..