IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready bridge0: port 2(bridge_slave_1) entered blocking state kasan: CONFIG_KASAN_INLINE enabled bridge0: port 2(bridge_slave_1) entered forwarding state kasan: GPF could be caused by NULL-ptr deref or user memory access general protection fault: 0000 [#1] PREEMPT SMP KASAN 8021q: adding VLAN 0 to HW filter on device team0 CPU: 0 PID: 7210 Comm: syz-executor.5 Not tainted 5.0.0-rc4+ #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.10.2-1 04/01/2014 RIP: 0010:sctp_sched_rr_dequeue+0xd3/0x170 net/sctp/stream_sched_rr.c:141 Code: 03 80 3c 02 00 0f 85 a6 00 00 00 4d 8b 65 08 e8 b3 01 ef fa 49 8d 7c 24 30 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 56 4d 8b 64 24 30 48 89 df 49 83 ec 18 4c 89 e6 e8 RSP: 0018:ffff888075ff7000 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffff88801bb3eea0 RCX: ffffffff8678e5df RDX: 0000000000000006 RSI: ffffffff8680e6bd RDI: 0000000000000030 RBP: ffff888075ff7018 R08: ffff888076b86000 R09: 0000000000000002 R10: ffffed1005b05bc7 R11: ffff88802d82de3b R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff888075ff7130 8021q: adding VLAN 0 to HW filter on device team0 FS: 00007f51a1303700(0000) GS:ffff88802d800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3634d91000 CR3: 0000000029286000 CR4: 00000000007406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554 Call Trace: sctp_outq_dequeue_data net/sctp/outqueue.c:90 [inline] sctp_outq_flush_data net/sctp/outqueue.c:1079 [inline] sctp_outq_flush+0xc6b/0x2750 net/sctp/outqueue.c:1205 sctp_outq_uncork+0x6a/0x80 net/sctp/outqueue.c:772 sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1820 [inline] sctp_side_effects net/sctp/sm_sideeffect.c:1220 [inline] sctp_do_sm+0x4a4/0x5160 net/sctp/sm_sideeffect.c:1191 hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network sctp_assoc_bh_rcv+0x346/0x670 net/sctp/associola.c:1074 sctp_inq_push+0x1e8/0x290 net/sctp/inqueue.c:95 sctp_backlog_rcv+0x17e/0xb30 net/sctp/input.c:354 8021q: adding VLAN 0 to HW filter on device batadv0 kobject: 'vlan0' (00000000bbc347a5): kobject_add_internal: parent: 'mesh', set: '' sk_backlog_rcv include/net/sock.h:936 [inline] __release_sock+0x12f/0x390 net/core/sock.c:2309 release_sock+0x59/0x1c0 net/core/sock.c:2825 sctp_wait_for_connect+0x2d7/0x550 net/sctp/socket.c:8998 sctp_sendmsg_to_asoc+0x13b6/0x1720 net/sctp/socket.c:1967 sctp_sendmsg+0x1037/0x17f0 net/sctp/socket.c:2113 inet_sendmsg+0x146/0x5c0 net/ipv4/af_inet.c:798 sock_sendmsg_nosec net/socket.c:621 [inline] sock_sendmsg+0xd5/0x120 net/socket.c:631 ___sys_sendmsg+0x80e/0x950 net/socket.c:2116 __sys_sendmsg+0x110/0x1f0 net/socket.c:2154 __do_sys_sendmsg net/socket.c:2163 [inline] __se_sys_sendmsg net/socket.c:2161 [inline] __x64_sys_sendmsg+0x78/0xb0 net/socket.c:2161 do_syscall_64+0x103/0x600 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457799 Code: 8d b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b b5 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f51a1302c88 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000071bf00 RCX: 0000000000457799 RDX: 0000000000000000 RSI: 000000002001afc8 RDI: 0000000000000003 RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000006ec8c8 R14: 00000000004ac101 R15: 00007f51a13036d4 Modules linked in: ---[ end trace 99caa0b93f497e1b ]--- RIP: 0010:sctp_sched_rr_dequeue+0xd3/0x170 net/sctp/stream_sched_rr.c:141 Code: 03 80 3c 02 00 0f 85 a6 00 00 00 4d 8b 65 08 e8 b3 01 ef fa 49 8d 7c 24 30 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 56 4d 8b 64 24 30 48 89 df 49 83 ec 18 4c 89 e6 e8 RSP: 0018:ffff888075ff7000 EFLAGS: 00010206 RAX: dffffc0000000000 RBX: ffff88801bb3eea0 RCX: ffffffff8678e5df RDX: 0000000000000006 RSI: ffffffff8680e6bd RDI: 0000000000000030 RBP: ffff888075ff7018 R08: ffff888076b86000 R09: 0000000000000002 R10: ffffed1005b05bc7 R11: ffff88802d82de3b R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: ffff888075ff7130 FS: 00007f51a1303700(0000) GS:ffff88802d800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3634d91000 CR3: 0000000029286000 CR4: 00000000007406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554