Warning: Permanently added '10.128.10.19' (ECDSA) to the list of known hosts. 2020/08/26 03:46:21 parsed 1 programs 2020/08/26 03:46:21 executed programs: 0 syzkaller login: [ 151.139750][ T27] audit: type=1400 audit(1598413581.972:8): avc: denied { execmem } for pid=6873 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 152.287458][ T6874] IPVS: ftp: loaded support on port[0] = 21 [ 152.485343][ T6874] chnl_net:caif_netlink_parms(): no params data found [ 152.553508][ T6874] bridge0: port 1(bridge_slave_0) entered blocking state [ 152.560810][ T6874] bridge0: port 1(bridge_slave_0) entered disabled state [ 152.569422][ T6874] device bridge_slave_0 entered promiscuous mode [ 152.578623][ T6874] bridge0: port 2(bridge_slave_1) entered blocking state [ 152.585999][ T6874] bridge0: port 2(bridge_slave_1) entered disabled state [ 152.593820][ T6874] device bridge_slave_1 entered promiscuous mode [ 152.614259][ T6874] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 152.625041][ T6874] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 152.646754][ T6874] team0: Port device team_slave_0 added [ 152.654706][ T6874] team0: Port device team_slave_1 added [ 152.671958][ T6874] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 152.678950][ T6874] 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. [ 152.705291][ T6874] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 152.717791][ T6874] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 152.724982][ T6874] 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. [ 152.750900][ T6874] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 152.777957][ T6874] device hsr_slave_0 entered promiscuous mode [ 152.784719][ T6874] device hsr_slave_1 entered promiscuous mode [ 152.883615][ T6874] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 152.894197][ T6874] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 152.904771][ T6874] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 152.914876][ T6874] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 152.940610][ T6874] bridge0: port 2(bridge_slave_1) entered blocking state [ 152.947786][ T6874] bridge0: port 2(bridge_slave_1) entered forwarding state [ 152.955644][ T6874] bridge0: port 1(bridge_slave_0) entered blocking state [ 152.962788][ T6874] bridge0: port 1(bridge_slave_0) entered forwarding state [ 153.009066][ T6874] 8021q: adding VLAN 0 to HW filter on device bond0 [ 153.023381][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 153.034746][ T17] bridge0: port 1(bridge_slave_0) entered disabled state [ 153.043272][ T17] bridge0: port 2(bridge_slave_1) entered disabled state [ 153.051012][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 153.064046][ T6874] 8021q: adding VLAN 0 to HW filter on device team0 [ 153.076278][ T2451] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 153.085080][ T2451] bridge0: port 1(bridge_slave_0) entered blocking state [ 153.093313][ T2451] bridge0: port 1(bridge_slave_0) entered forwarding state [ 153.113229][ T2451] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 153.121615][ T2451] bridge0: port 2(bridge_slave_1) entered blocking state [ 153.128728][ T2451] bridge0: port 2(bridge_slave_1) entered forwarding state [ 153.140023][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 153.149895][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 153.162615][ T2586] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 153.178949][ T6874] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 153.189996][ T6874] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 153.203083][ T2586] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 153.213660][ T2586] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 153.223798][ T2586] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 153.241131][ T2451] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 153.249067][ T2451] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 153.261805][ T6874] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 153.281449][ T2451] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 153.301414][ T2586] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 153.310446][ T2586] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 153.318963][ T2586] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 153.329147][ T6874] device veth0_vlan entered promiscuous mode [ 153.341375][ T6874] device veth1_vlan entered promiscuous mode [ 153.364283][ T2451] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 153.373301][ T2451] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 153.381353][ T2451] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 153.393408][ T6874] device veth0_macvtap entered promiscuous mode [ 153.403564][ T6874] device veth1_macvtap entered promiscuous mode [ 153.421616][ T6874] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 153.429144][ T2586] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 153.440139][ T2586] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 153.451796][ T6874] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 153.459757][ T2586] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 153.471612][ T6874] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 153.481536][ T6874] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 153.490991][ T6874] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 153.500009][ T6874] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 153.617292][ T3562] ion_buffer_destroy: buffer still mapped in the kernel [ 154.303384][ T17] Bluetooth: hci0: command 0x0409 tx timeout 2020/08/26 03:46:26 executed programs: 34 [ 156.382332][ T5] Bluetooth: hci0: command 0x041b tx timeout [ 158.472131][ T12] Bluetooth: hci0: command 0x040f tx timeout [ 160.541686][ T12] Bluetooth: hci0: command 0x0419 tx timeout 2020/08/26 03:46:32 executed programs: 103 [ 165.463990][ T8006] ------------[ cut here ]------------ [ 165.469451][ T8006] kernel BUG at drivers/dma-buf/dma-buf.c:73! [ 165.476862][ T8006] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 165.482917][ T8006] CPU: 0 PID: 8006 Comm: syz-executor.0 Not tainted 5.9.0-rc2-syzkaller #0 [ 165.491476][ T8006] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.501527][ T8006] RIP: 0010:dma_buf_release+0x329/0x3f0 [ 165.507098][ T8006] Code: 3c 02 00 0f 85 8f 00 00 00 48 8b bd d0 00 00 00 e8 1c 97 32 fd 48 89 ef 5b 5d 41 5c 41 5d 41 5e e9 0c 97 32 fd e8 87 f3 f2 fc <0f> 0b e8 80 f3 f2 fc 4c 89 e7 e8 f8 d0 00 00 e9 76 ff ff ff e8 6e [ 165.526718][ T8006] RSP: 0018:ffffc9000914fb78 EFLAGS: 00010293 [ 165.532755][ T8006] RAX: 0000000000000000 RBX: 0000000000000004 RCX: ffffffff84814914 [ 165.540705][ T8006] RDX: ffff88809bbda2c0 RSI: ffffffff84814b89 RDI: 0000000000000005 [ 165.548648][ T8006] RBP: ffff8880a8f66000 R08: 0000000000000001 R09: 0000000000000001 [ 165.556592][ T8006] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888087b329d8 [ 165.564588][ T8006] R13: ffff888087b32960 R14: ffff888087b329a8 R15: 0000000000000000 [ 165.572542][ T8006] FS: 00007fc587995700(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 [ 165.581442][ T8006] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 165.587998][ T8006] CR2: 0000555bd99e8990 CR3: 000000009bbdd000 CR4: 00000000001506f0 [ 165.595943][ T8006] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 165.603886][ T8006] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 165.611828][ T8006] Call Trace: [ 165.615150][ T8006] ? dma_buf_mmap+0x370/0x370 [ 165.619800][ T8006] __dentry_kill+0x42b/0x640 [ 165.624361][ T8006] ? dput+0x35/0xbc0 [ 165.628226][ T8006] ? dput+0x35/0xbc0 [ 165.632096][ T8006] dput+0x725/0xbc0 [ 165.635875][ T8006] __fput+0x3ab/0x920 [ 165.639829][ T8006] task_work_run+0xdd/0x190 [ 165.644306][ T8006] get_signal+0xd89/0x1f00 [ 165.648697][ T8006] ? dma_fence_wait_timeout+0x18b/0x5f0 [ 165.654213][ T8006] ? dma_resv_wait_timeout_rcu+0x371/0xe80 [ 165.660005][ T8006] arch_do_signal+0x82/0x2520 [ 165.664657][ T8006] ? dma_resv_test_signaled_rcu+0xc60/0xc60 [ 165.670523][ T8006] ? copy_siginfo_to_user32+0xa0/0xa0 [ 165.675869][ T8006] ? kick_process+0xce/0x150 [ 165.680432][ T8006] ? task_work_add+0xe3/0x290 [ 165.685081][ T8006] ? cpumask_weight.constprop.0+0x3f/0x3f [ 165.690769][ T8006] ? dma_buf_ioctl+0xbe/0x580 [ 165.695416][ T8006] ? dma_buf_release+0x3f0/0x3f0 [ 165.700328][ T8006] ? exit_to_user_mode_prepare+0xb9/0x1c0 [ 165.706020][ T8006] ? lockdep_hardirqs_on_prepare+0x354/0x530 [ 165.711972][ T8006] exit_to_user_mode_prepare+0x15d/0x1c0 [ 165.717579][ T8006] syscall_exit_to_user_mode+0x59/0x2b0 [ 165.723095][ T8006] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 165.728956][ T8006] RIP: 0033:0x45d579 [ 165.732824][ T8006] Code: 5d b4 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 165.752400][ T8006] RSP: 002b:00007fc587994c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 165.760784][ T8006] RAX: fffffffffffffe00 RBX: 000000000000b000 RCX: 000000000045d579 [ 165.768818][ T8006] RDX: 0000000020000000 RSI: 0000000040086200 RDI: 0000000000000005 [ 165.776765][ T8006] RBP: 000000000118cf80 R08: 0000000000000000 R09: 0000000000000000 [ 165.784710][ T8006] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118cf4c [ 165.792656][ T8006] R13: 00007ffc4f33bacf R14: 00007fc5879959c0 R15: 000000000118cf4c [ 165.800603][ T8006] Modules linked in: [ 165.805846][ T8006] ---[ end trace 91ba76dba739690e ]--- [ 165.811931][ T8006] RIP: 0010:dma_buf_release+0x329/0x3f0 [ 165.817531][ T8006] Code: 3c 02 00 0f 85 8f 00 00 00 48 8b bd d0 00 00 00 e8 1c 97 32 fd 48 89 ef 5b 5d 41 5c 41 5d 41 5e e9 0c 97 32 fd e8 87 f3 f2 fc <0f> 0b e8 80 f3 f2 fc 4c 89 e7 e8 f8 d0 00 00 e9 76 ff ff ff e8 6e [ 165.837720][ T8006] RSP: 0018:ffffc9000914fb78 EFLAGS: 00010293 [ 165.843838][ T8006] RAX: 0000000000000000 RBX: 0000000000000004 RCX: ffffffff84814914 [ 165.851861][ T8006] RDX: ffff88809bbda2c0 RSI: ffffffff84814b89 RDI: 0000000000000005 [ 165.859815][ T8006] RBP: ffff8880a8f66000 R08: 0000000000000001 R09: 0000000000000001 [ 165.867804][ T8006] R10: 0000000000000000 R11: 0000000000000000 R12: ffff888087b329d8 [ 165.875814][ T8006] R13: ffff888087b32960 R14: ffff888087b329a8 R15: 0000000000000000 [ 165.883794][ T8006] FS: 00007fc587995700(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000 [ 165.892763][ T8006] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 165.899332][ T8006] CR2: 00007efbfc040018 CR3: 000000009bbdd000 CR4: 00000000001506e0 [ 165.907335][ T8006] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 165.915337][ T8006] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 165.923318][ T8006] Kernel panic - not syncing: Fatal exception [ 165.930608][ T8006] Kernel Offset: disabled [ 165.934917][ T8006] Rebooting in 86400 seconds..