Warning: Permanently added '10.128.0.48' (ECDSA) to the list of known hosts. syzkaller login: [ 91.921169][ T9953] IPVS: ftp: loaded support on port[0] = 21 [ 91.977148][ T9953] chnl_net:caif_netlink_parms(): no params data found [ 92.015418][ T9953] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.022889][ T9953] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.030843][ T9953] device bridge_slave_0 entered promiscuous mode [ 92.039890][ T9953] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.046969][ T9953] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.054917][ T9953] device bridge_slave_1 entered promiscuous mode [ 92.072062][ T9953] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 92.082806][ T9953] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 92.102322][ T9953] team0: Port device team_slave_0 added [ 92.110309][ T9953] team0: Port device team_slave_1 added [ 92.124876][ T9953] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 92.131908][ T9953] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 92.158400][ T9953] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 92.170926][ T9953] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 92.177866][ T9953] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 92.203855][ T9953] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 92.280740][ T9953] device hsr_slave_0 entered promiscuous mode [ 92.319831][ T9953] device hsr_slave_1 entered promiscuous mode [ 92.421944][ T9953] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 92.481347][ T9953] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 92.531493][ T9953] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 92.571111][ T9953] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 92.623648][ T9953] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.630866][ T9953] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.638395][ T9953] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.645527][ T9953] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.688893][ T9953] 8021q: adding VLAN 0 to HW filter on device bond0 [ 92.701896][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 92.713040][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 92.732036][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 92.740613][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 92.753993][ T9953] 8021q: adding VLAN 0 to HW filter on device team0 [ 92.764363][ T4063] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 92.773432][ T4063] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.780552][ T4063] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.798910][ T4063] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 92.807274][ T4063] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.814370][ T4063] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.826109][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 92.836326][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 92.847966][ T4069] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 92.864016][ T9953] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 92.875886][ T9953] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 92.889664][ T4063] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 92.898207][ T4063] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 92.907484][ T4063] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 92.924601][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 92.932403][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 92.944125][ T9953] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 92.963487][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 92.981978][ T4063] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 92.991101][ T4063] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 93.002527][ T9953] device veth0_vlan entered promiscuous mode [ 93.009425][ T2795] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 93.017201][ T2795] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 93.030782][ T9953] device veth1_vlan entered promiscuous mode [ 93.052188][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 93.060697][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 93.069133][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 93.078078][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 93.089688][ T9953] device veth0_macvtap entered promiscuous mode [ 93.101492][ T9953] device veth1_macvtap entered promiscuous mode [ 93.117496][ T9953] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 93.124955][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 93.134149][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 93.142896][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 93.151796][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 93.165139][ T9953] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 93.172662][ T2795] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 93.181442][ T2795] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 94.500874][T10161] general protection fault, probably for non-canonical address 0xdffffc0000000017: 0000 [#1] PREEMPT SMP KASAN [ 94.512711][T10161] KASAN: null-ptr-deref in range [0x00000000000000b8-0x00000000000000bf] [ 94.521139][T10161] CPU: 0 PID: 10161 Comm: syz-executor044 Not tainted 5.6.0-rc6-syzkaller #0 [ 94.529870][T10161] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 94.539918][T10161] RIP: 0010:sctp_ulpevent_nofity_peer_addr_change+0xed/0xa30 [ 94.547269][T10161] Code: 03 80 3c 02 00 0f 85 19 08 00 00 48 8b ab a8 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bd bc 00 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 70 [ 94.566947][T10161] RSP: 0018:ffffc900022a7308 EFLAGS: 00010207 [ 94.573031][T10161] RAX: dffffc0000000000 RBX: ffff888096004150 RCX: 0000000000000000 [ 94.580987][T10161] RDX: 0000000000000017 RSI: 0000000000000000 RDI: 00000000000000bc [ 94.588952][T10161] RBP: 0000000000000000 R08: ffff88809419a500 R09: ffffc900022a7358 [ 94.596904][T10161] R10: fffff52000454e7a R11: ffffc900022a73d7 R12: 0000000000000000 [ 94.605273][T10161] R13: 0000000000000004 R14: 0000000000000000 R15: ffff888096004150 [ 94.613229][T10161] FS: 0000000000000000(0000) GS:ffff8880ae600000(0063) knlGS:000000000935d840 [ 94.622139][T10161] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 94.628698][T10161] CR2: 0000000020000180 CR3: 0000000093589000 CR4: 00000000001406f0 [ 94.636655][T10161] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 94.644610][T10161] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 94.652560][T10161] Call Trace: [ 94.655871][T10161] ? sctp_unhash_transport+0x65d/0x1090 [ 94.661416][T10161] ? sctp_ulpevent_make_assoc_change+0x960/0x960 [ 94.667743][T10161] ? sctp_unhash_transport+0x67f/0x1090 [ 94.673268][T10161] sctp_assoc_set_primary+0x6c/0x300 [ 94.678529][T10161] sctp_assoc_rm_peer+0x77c/0xa40 [ 94.683531][T10161] sctp_assoc_update+0x50a/0xe30 [ 94.688453][T10161] sctp_do_sm+0x1c57/0x4ed0 [ 94.692951][T10161] ? mark_lock+0xbc/0x1220 [ 94.697364][T10161] ? sctp_do_8_2_transport_strike.isra.0+0xa60/0xa60 [ 94.704452][T10161] ? __lock_acquire+0x14bd/0x3ca0 [ 94.709484][T10161] ? find_held_lock+0x2d/0x110 [ 94.714228][T10161] ? sctp_assoc_bh_rcv+0x33a/0x6d0 [ 94.719347][T10161] ? ktime_get+0xff/0x2f0 [ 94.723691][T10161] ? lockdep_hardirqs_on+0x417/0x5d0 [ 94.728953][T10161] ? ktime_get+0x1f8/0x2f0 [ 94.733386][T10161] sctp_assoc_bh_rcv+0x386/0x6d0 [ 94.738308][T10161] sctp_inq_push+0x1da/0x270 [ 94.742881][T10161] sctp_backlog_rcv+0x1f3/0x1290 [ 94.747801][T10161] ? sctp_hash_obj+0x5f0/0x5f0 [ 94.752542][T10161] ? mark_held_locks+0x9f/0xe0 [ 94.757356][T10161] ? __local_bh_enable_ip+0x159/0x270 [ 94.762722][T10161] __release_sock+0x134/0x3a0 [ 94.767383][T10161] release_sock+0x54/0x1b0 [ 94.771816][T10161] sctp_wait_for_connect+0x308/0x530 [ 94.777080][T10161] ? sctp_close+0x8a0/0x8a0 [ 94.781568][T10161] ? finish_wait+0x260/0x260 [ 94.786149][T10161] ? sctp_primitive_ASSOCIATE+0x98/0xc0 [ 94.791670][T10161] __sctp_connect+0x9d2/0xc70 [ 94.796332][T10161] ? sctp_connect_new_asoc+0x580/0x580 [ 94.801769][T10161] ? __might_fault+0x190/0x1d0 [ 94.806510][T10161] ? _copy_from_user+0x123/0x190 [ 94.811424][T10161] ? security_sctp_bind_connect+0x8e/0xc0 [ 94.817121][T10161] __sctp_setsockopt_connectx+0x127/0x180 [ 94.822828][T10161] sctp_setsockopt+0x15a1/0x7090 [ 94.827754][T10161] ? __fget_files+0x307/0x4f0 [ 94.832420][T10161] ? sctp_setsockopt_bindx+0x2a0/0x2a0 [ 94.837867][T10161] ? lock_downgrade+0x7f0/0x7f0 [ 94.842786][T10161] ? aa_label_sk_perm+0x89/0xe0 [ 94.847632][T10161] ? aa_sk_perm+0x319/0xab0 [ 94.852137][T10161] ? aa_af_perm+0x260/0x260 [ 94.856619][T10161] ? ksys_dup3+0x3c0/0x3c0 [ 94.861016][T10161] compat_sock_common_setsockopt+0xf6/0x120 [ 94.866889][T10161] __compat_sys_setsockopt+0x15d/0x310 [ 94.872345][T10161] ? sock_common_setsockopt+0xb0/0xb0 [ 94.877692][T10161] ? __compat_sys_getsockopt+0x290/0x290 [ 94.883303][T10161] ? handle_mm_fault+0x491/0xa10 [ 94.888230][T10161] __ia32_compat_sys_setsockopt+0xb9/0x150 [ 94.894028][T10161] ? lockdep_hardirqs_on+0x417/0x5d0 [ 94.899293][T10161] do_fast_syscall_32+0x270/0xe8f [ 94.904321][T10161] entry_SYSENTER_compat+0x70/0x7f [ 94.909429][T10161] Modules linked in: [ 94.919815][T10161] ---[ end trace a970df05c462f077 ]--- [ 94.925283][T10161] RIP: 0010:sctp_ulpevent_nofity_peer_addr_change+0xed/0xa30 [ 94.933703][T10161] Code: 03 80 3c 02 00 0f 85 19 08 00 00 48 8b ab a8 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bd bc 00 00 00 48 89 fa 48 c1 ea 03 <0f> b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 70 [ 94.954498][T10161] RSP: 0018:ffffc900022a7308 EFLAGS: 00010207 [ 94.960768][T10161] RAX: dffffc0000000000 RBX: ffff888096004150 RCX: 0000000000000000 [ 94.968912][T10161] RDX: 0000000000000017 RSI: 0000000000000000 RDI: 00000000000000bc [ 94.977000][T10161] RBP: 0000000000000000 R08: ffff88809419a500 R09: ffffc900022a7358 [ 94.985355][T10161] R10: fffff52000454e7a R11: ffffc900022a73d7 R12: 0000000000000000 [ 94.993887][T10161] R13: 0000000000000004 R14: 0000000000000000 R15: ffff888096004150 [ 95.001896][T10161] FS: 0000000000000000(0000) GS:ffff8880ae600000(0063) knlGS:000000000935d840 [ 95.010874][T10161] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 95.017444][T10161] CR2: 0000000020000180 CR3: 0000000093589000 CR4: 00000000001406f0 [ 95.025797][T10161] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 95.033931][T10161] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 95.042260][T10161] Kernel panic - not syncing: Fatal exception [ 95.049394][T10161] Kernel Offset: disabled [ 95.053713][T10161] Rebooting in 86400 seconds..