syzkaller login: [ 32.455575] kauditd_printk_skb: 11 callbacks suppressed [ 32.455582] audit: type=1400 audit(1576687236.592:42): avc: denied { map } for pid=6047 comm="syz-fuzzer" path="/root/syz-fuzzer" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 34.220559] IPVS: ftp: loaded support on port[0] = 21 [ 34.245086] audit: type=1400 audit(1576687238.382:43): avc: denied { associate } for pid=6062 comm="syz-executor0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 34.613599] tipc: TX() has been purged, node left! [ 64.886826] can: request_module (can-proto-0) failed. [ 64.897590] can: request_module (can-proto-0) failed. [ 65.101916] audit: type=1400 audit(1576687269.232:44): avc: denied { create } for pid=6047 comm="syz-fuzzer" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_crypto_socket permissive=1 [ 65.125682] audit: type=1400 audit(1576687269.232:45): avc: denied { create } for pid=6047 comm="syz-fuzzer" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 65.154526] audit: type=1400 audit(1576687269.232:46): avc: denied { create } for pid=6047 comm="syz-fuzzer" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 Warning: Permanently added '10.128.15.194' (ECDSA) to the list of known hosts. 2019/12/18 16:41:18 parsed 1 programs 2019/12/18 16:41:19 executed programs: 0 [ 75.177715] IPVS: ftp: loaded support on port[0] = 21 [ 75.178974] IPVS: ftp: loaded support on port[0] = 21 [ 75.194027] IPVS: ftp: loaded support on port[0] = 21 [ 75.215371] IPVS: ftp: loaded support on port[0] = 21 [ 75.224847] IPVS: ftp: loaded support on port[0] = 21 [ 75.240492] IPVS: ftp: loaded support on port[0] = 21 [ 76.143028] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.158437] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.166456] device bridge_slave_0 entered promiscuous mode [ 76.207158] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.220316] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.227474] device bridge_slave_0 entered promiscuous mode [ 76.242515] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.249049] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.256790] device bridge_slave_1 entered promiscuous mode [ 76.265696] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.272126] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.279454] device bridge_slave_0 entered promiscuous mode [ 76.295092] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.301472] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.311659] device bridge_slave_1 entered promiscuous mode [ 76.324983] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.331380] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.346029] device bridge_slave_0 entered promiscuous mode [ 76.354734] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.361112] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.369422] device bridge_slave_1 entered promiscuous mode [ 76.379594] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.396424] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.404028] device bridge_slave_0 entered promiscuous mode [ 76.415418] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.422156] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.431767] device bridge_slave_1 entered promiscuous mode [ 76.462584] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.476429] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.483996] device bridge_slave_1 entered promiscuous mode [ 76.498701] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.506353] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.513994] device bridge_slave_0 entered promiscuous mode [ 76.565304] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.573341] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.580386] device bridge_slave_1 entered promiscuous mode [ 76.618369] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.646728] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.694544] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.704462] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.718899] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.747139] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.769321] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.817866] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.830727] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.847278] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 76.864038] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 76.878802] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 76.898198] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 76.918807] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 76.927750] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 76.944521] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 76.959615] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 76.976329] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 77.009677] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 77.035418] team0: Port device team_slave_0 added [ 77.060803] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.097003] team0: Port device team_slave_1 added [ 77.105611] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 77.130699] team0: Port device team_slave_0 added [ 77.140307] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 77.176373] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.197533] team0: Port device team_slave_0 added [ 77.207667] team0: Port device team_slave_0 added [ 77.215448] team0: Port device team_slave_1 added [ 77.252537] team0: Port device team_slave_1 added [ 77.272004] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.290399] team0: Port device team_slave_0 added [ 77.304409] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.315061] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 77.329469] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.346747] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.360076] team0: Port device team_slave_1 added [ 77.370178] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.392785] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.401927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 77.414208] team0: Port device team_slave_1 added [ 77.433561] team0: Port device team_slave_0 added [ 77.440949] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.458655] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.474013] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 77.484634] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.501809] team0: Port device team_slave_1 added [ 77.518690] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.537858] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 77.549121] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.557062] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.565165] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 77.588845] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.605093] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.621621] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 77.629863] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.637779] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 77.663682] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.671632] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 77.698789] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.706827] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 77.715078] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 77.743985] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 77.751862] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 77.778658] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.786840] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 77.795177] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.802893] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 77.824650] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 77.832479] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 78.182969] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.189533] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.196740] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.203104] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.221385] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.227850] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.234518] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.240898] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.312097] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.318561] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.325321] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.331690] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.354151] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.360648] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.367340] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.373734] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.412546] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.418988] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.425729] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.432692] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.450980] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.457518] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.464706] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.471238] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.853333] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 78.866886] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 78.885747] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 78.894121] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 78.901295] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 78.908637] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 80.398233] 8021q: adding VLAN 0 to HW filter on device bond0 [ 80.408285] 8021q: adding VLAN 0 to HW filter on device bond0 [ 80.448566] 8021q: adding VLAN 0 to HW filter on device bond0 [ 80.474883] 8021q: adding VLAN 0 to HW filter on device bond0 [ 80.484588] 8021q: adding VLAN 0 to HW filter on device bond0 [ 80.614960] 8021q: adding VLAN 0 to HW filter on device bond0 [ 80.749216] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 80.762656] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 80.799448] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 80.812072] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 80.846918] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 80.864542] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 80.879863] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 80.888918] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 80.965474] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 80.972583] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 80.996716] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.032620] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.045873] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.057006] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 81.066224] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 81.091263] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.205863] 8021q: adding VLAN 0 to HW filter on device team0 [ 81.240327] 8021q: adding VLAN 0 to HW filter on device team0 2019/12/18 16:41:26 executed programs: 6 [ 84.320939] kasan: CONFIG_KASAN_INLINE enabled [ 84.328147] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 84.335865] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 84.342103] CPU: 1 PID: 8365 Comm: syz-executor0 Not tainted 5.5.0-rc2-syzkaller #0 [ 84.349897] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 84.359465] RIP: 0010:rdma_listen+0x24a/0x7f0 [ 84.364091] Code: 8b a3 c8 01 00 00 31 f6 48 c7 c7 c0 22 bd 88 e8 2c e0 d0 01 48 b8 00 00 00 00 00 fc ff df 49 8d 7c 24 08 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 11 05 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b [ 84.383080] RSP: 0018:ffff8881c0687c48 EFLAGS: 00010202 [ 84.388431] RAX: dffffc0000000000 RBX: ffff8881babaf000 RCX: 0000000000000000 [ 84.395696] RDX: 0000000000000001 RSI: 0000000000000004 RDI: 0000000000000008 [ 84.402956] RBP: ffff8881c0687c78 R08: fffffbfff117a461 R09: fffffbfff117a461 [ 84.410328] R10: ffff8881c0687c38 R11: ffffffff88bd2303 R12: 0000000000000000 [ 84.417703] R13: 0000000000000400 R14: ffff8881c0687d90 R15: ffff8881cf408640 [ 84.425026] FS: 00007f4320614700(0000) GS:ffff8881db100000(0000) knlGS:0000000000000000 [ 84.433355] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.439326] CR2: 00000000004cefa8 CR3: 00000001bee12000 CR4: 00000000001406e0 [ 84.446590] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 84.453847] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 84.461104] Call Trace: [ 84.463680] ? _raw_spin_unlock+0x27/0x40 [ 84.467843] ucma_listen+0xe1/0x150 [ 84.472420] ? ucma_notify+0x140/0x140 [ 84.476298] ? __kasan_check_write+0x14/0x20 [ 84.480702] ? _copy_from_user+0xd6/0x110 [ 84.484835] ucma_write+0x206/0x2e0 [ 84.488456] ? selinux_file_permission+0x34d/0x430 [ 84.493373] ? ucma_open+0x250/0x250 [ 84.497127] ? security_file_permission+0x52/0x2a0 [ 84.502297] __vfs_write+0x61/0x110 [ 84.505916] vfs_write+0x18a/0x520 [ 84.509443] ksys_write+0x197/0x220 [ 84.513061] ? __ia32_sys_read+0xa0/0xa0 [ 84.517254] ? do_syscall_64+0x21/0x600 [ 84.521275] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.526628] __x64_sys_write+0x6e/0xb0 [ 84.530637] do_syscall_64+0xd0/0x600 [ 84.534434] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 84.539636] RIP: 0033:0x4576b9 [ 84.542833] Code: fd b3 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 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 84.561794] RSP: 002b:00007f4320613c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 84.569488] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004576b9 [ 84.576852] RDX: 0000000000000010 RSI: 0000000020000200 RDI: 0000000000000005 [ 84.584113] RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 [ 84.591580] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f43206146d4 [ 84.598837] R13: 00000000004c57bf R14: 00000000004d9400 R15: 00000000ffffffff [ 84.606103] Modules linked in: [ 84.610340] ---[ end trace 3ee949e741f5762d ]--- [ 84.615527] RIP: 0010:rdma_listen+0x24a/0x7f0 [ 84.620033] Code: 8b a3 c8 01 00 00 31 f6 48 c7 c7 c0 22 bd 88 e8 2c e0 d0 01 48 b8 00 00 00 00 00 fc ff df 49 8d 7c 24 08 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 11 05 00 00 48 b8 00 00 00 00 00 fc ff df 4d 8b [ 84.639306] RSP: 0018:ffff8881c0687c48 EFLAGS: 00010202 [ 84.644729] RAX: dffffc0000000000 RBX: ffff8881babaf000 RCX: 0000000000000000 [ 84.652082] RDX: 0000000000000001 RSI: 0000000000000004 RDI: 0000000000000008 [ 84.659402] RBP: ffff8881c0687c78 R08: fffffbfff117a461 R09: fffffbfff117a461 [ 84.666714] R10: ffff8881c0687c38 R11: ffffffff88bd2303 R12: 0000000000000000 [ 84.674012] R13: 0000000000000400 R14: ffff8881c0687d90 R15: ffff8881cf408640 [ 84.681298] FS: 00007f4320614700(0000) GS:ffff8881db100000(0000) knlGS:0000000000000000 [ 84.689557] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 84.695803] CR2: ffffffffff600400 CR3: 00000001bee12000 CR4: 00000000001406e0 [ 84.703095] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 84.710453] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 84.717836] Kernel panic - not syncing: Fatal exception [ 84.724743] Kernel Offset: disabled [ 84.728604] Rebooting in 86400 seconds..