kernel msg: ebtables bug: please report to author: Wrong len argument kernel msg: ebtables bug: please report to author: entries_size too small ------------[ cut here ]------------ kernel BUG at net/ipv4/tcp_output.c:2837! kernel msg: ebtables bug: please report to author: entries_size too small invalid opcode: 0000 [#1] SMP KASAN Dumping ftrace buffer: (ftrace buffer empty) Modules linked in: CPU: 0 PID: 24592 Comm: syz-executor3 Not tainted 4.16.0-rc4+ #276 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__tcp_retransmit_skb+0x2728/0x2af0 net/ipv4/tcp_output.c:2837 RSP: 0018:ffff8801db207000 EFLAGS: 00010206 RAX: ffff8801b461c3c0 RBX: 000000005cf8c5ba RCX: ffffffff84cb6558 RDX: 0000000000000100 RSI: ffff8801cd30ccb8 RDI: ffff8801c24f336c RBP: ffff8801db2073a8 R08: ffff88021fff801c R09: 0000000000000000 R10: 00000000ce2410b0 R11: ffff88021fff801d R12: 0000000000000001 R13: ffff8801c24f33ce R14: ffff8801c24f3340 R15: ffff8801cd30ca80 FS: 00007f561840b700(0000) GS:ffff8801db200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000728050 CR3: 00000001afc2f006 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: tcp_retransmit_skb+0x2e/0x230 net/ipv4/tcp_output.c:2923 tcp_retransmit_timer+0xefc/0x2dd0 net/ipv4/tcp_timer.c:487 tcp_write_timer_handler+0x335/0x820 net/ipv4/tcp_timer.c:572 tcp_write_timer+0x153/0x170 net/ipv4/tcp_timer.c:592 call_timer_fn+0x228/0x820 kernel/time/timer.c:1326 expire_timers kernel/time/timer.c:1363 [inline] __run_timers+0x7ee/0xb70 kernel/time/timer.c:1666 run_timer_softirq+0x4c/0x70 kernel/time/timer.c:1692 __do_softirq+0x2d7/0xb85 kernel/softirq.c:285 invoke_softirq kernel/softirq.c:365 [inline] irq_exit+0x1cc/0x200 kernel/softirq.c:405 exiting_irq arch/x86/include/asm/apic.h:541 [inline] smp_apic_timer_interrupt+0x16b/0x700 arch/x86/kernel/apic/apic.c:1052 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:857 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:778 [inline] RIP: 0010:console_unlock+0xd98/0xfb0 kernel/printk/printk.c:2399 RSP: 0018:ffff8801c496f6d0 EFLAGS: 00000216 ORIG_RAX: ffffffffffffff12 RAX: 0000000000010000 RBX: 0000000000000200 RCX: ffffffff815a7e3f RDX: 0000000000002e96 RSI: ffffc90004407000 RDI: 0000000000000216 RBP: ffff8801c496f838 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 R13: 0000000000000000 R14: ffffffff83ba4600 R15: dffffc0000000000 vprintk_emit+0x5c3/0xb90 kernel/printk/printk.c:1907 vprintk_default+0x28/0x30 kernel/printk/printk.c:1947 vprintk_func+0x57/0xc0 kernel/printk/printk_safe.c:379 printk+0xaa/0xca kernel/printk/printk.c:1980 do_replace+0x454/0x4b0 net/bridge/netfilter/ebtables.c:1104 do_ebt_set_ctl+0xd4/0x110 net/bridge/netfilter/ebtables.c:1518 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:115 ip_setsockopt+0x97/0xa0 net/ipv4/ip_sockglue.c:1261 dccp_setsockopt+0x85/0xd0 net/dccp/proto.c:576 sock_common_setsockopt+0x95/0xd0 net/core/sock.c:3039 SYSC_setsockopt net/socket.c:1850 [inline] SyS_setsockopt+0x189/0x360 net/socket.c:1829 do_syscall_64+0x281/0x940 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x454239 RSP: 002b:00007f561840ac68 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f561840b6d4 RCX: 0000000000454239 RDX: 0000000000000080 RSI: 0000000000000000 RDI: 0000000000000013 RBP: 000000000072bea0 R08: 0000000000000bd1 R09: 0000000000000000 R10: 0000000020000140 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000004ec R14: 00000000006f86c0 R15: 0000000000000000 Code: 4f de fc e9 86 f4 ff ff e8 f6 4f de fc e9 81 f9 ff ff e8 ec 4f de fc e9 fd fc ff ff e8 c2 4f de fc e9 02 f5 ff ff e8 88 a4 a5 fc <0f> 0b 48 8b bd c0 fc ff ff e8 6a 4f de fc e9 76 e9 ff ff 4c 89 RIP: __tcp_retransmit_skb+0x2728/0x2af0 net/ipv4/tcp_output.c:2837 RSP: ffff8801db207000 ---[ end trace 06f110041d1585af ]---