Starting Load/Save RF Kill Switch Status... Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.211' (ECDSA) to the list of known hosts. 2020/11/06 07:07:25 parsed 1 programs 2020/11/06 07:07:25 executed programs: 0 syzkaller login: [ 65.486785][ T8525] IPVS: ftp: loaded support on port[0] = 21 [ 65.654710][ T8525] chnl_net:caif_netlink_parms(): no params data found [ 65.708568][ T8525] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.716707][ T8525] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.726081][ T8525] device bridge_slave_0 entered promiscuous mode [ 65.735319][ T8525] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.742610][ T8525] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.751032][ T8525] device bridge_slave_1 entered promiscuous mode [ 65.772408][ T8525] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 65.783445][ T8525] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.807375][ T8525] team0: Port device team_slave_0 added [ 65.814934][ T8525] team0: Port device team_slave_1 added [ 65.833378][ T8525] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 65.840480][ T8525] 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. [ 65.866467][ T8525] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 65.879811][ T8525] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 65.886792][ T8525] 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. [ 65.912939][ T8525] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 65.940868][ T8525] device hsr_slave_0 entered promiscuous mode [ 65.947570][ T8525] device hsr_slave_1 entered promiscuous mode [ 66.047185][ T8525] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 66.058196][ T8525] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 66.069773][ T8525] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 66.080190][ T8525] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 66.106676][ T8525] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.113906][ T8525] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.121979][ T8525] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.129188][ T8525] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.177053][ T8525] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.193412][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.204960][ T3191] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.213955][ T3191] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.222452][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 66.236877][ T8525] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.250921][ T4927] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.260523][ T4927] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.267656][ T4927] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.290068][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.298414][ T3191] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.305539][ T3191] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.314272][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.323636][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.341679][ T4927] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.350627][ T4927] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.359131][ T4927] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.371184][ T8525] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.390900][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.398321][ T3191] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.413387][ T8525] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.434095][ T4927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.454987][ T4927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.463516][ T4927] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.472496][ T4927] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.484552][ T8525] device veth0_vlan entered promiscuous mode [ 66.496854][ T8525] device veth1_vlan entered promiscuous mode [ 66.518371][ T4927] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.528479][ T4927] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.537622][ T4927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 66.549877][ T8525] device veth0_macvtap entered promiscuous mode [ 66.560879][ T8525] device veth1_macvtap entered promiscuous mode [ 66.580740][ T8525] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 66.590005][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 66.600867][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 66.614136][ T8525] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 66.622774][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 66.633900][ T8525] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.646422][ T8525] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.657344][ T8525] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.666703][ T8525] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 66.748614][ T8] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.763174][ T8] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.798475][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 66.809051][ T8] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 66.817159][ T8] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 66.831137][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 66.896563][ T8765] BTRFS: device fsid f90cac8b-044b-4fa8-8bee-4b8d3da88dc2 devid 1 transid 7 /dev/loop0 scanned by syz-executor.0 (8765) [ 66.938396][ T8765] BTRFS info (device loop0): turning on flush-on-commit [ 66.953740][ T8765] BTRFS info (device loop0): disk space caching is enabled [ 66.971373][ T8765] BTRFS info (device loop0): has skinny extents [ 67.024098][ T8765] BTRFS info (device loop0): enabling ssd optimizations [ 67.033937][ T8765] BTRFS info (device loop0): checking UUID tree [ 67.111048][ T8765] ------------[ cut here ]------------ [ 67.116858][ T8765] WARNING: CPU: 0 PID: 8765 at fs/fs-writeback.c:2470 __writeback_inodes_sb_nr+0x229/0x280 [ 67.129122][ T8765] Modules linked in: [ 67.133148][ T8765] CPU: 0 PID: 8765 Comm: syz-executor.0 Not tainted 5.10.0-rc2-syzkaller #0 [ 67.145796][ T8765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.157532][ T8765] RIP: 0010:__writeback_inodes_sb_nr+0x229/0x280 [ 67.165664][ T8765] Code: 48 8b 84 24 c0 00 00 00 65 48 2b 04 25 28 00 00 00 75 38 48 81 c4 c8 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 97 33 a7 ff <0f> 0b e9 69 ff ff ff 4c 89 f7 e8 58 a9 e8 ff e9 ea fe ff ff 4c 89 [ 67.186336][ T8765] RSP: 0018:ffffc9000210f6b0 EFLAGS: 00010293 [ 67.193114][ T8765] RAX: 0000000000000000 RBX: 1ffff92000421ed7 RCX: ffffffff81c8d4f0 [ 67.202020][ T8765] RDX: ffff88802bbfb480 RSI: ffffffff81c8d589 RDI: 0000000000000007 [ 67.211962][ T8765] RBP: ffff88802b8e8000 R08: 0000000000000000 R09: ffff88802b8e8077 [ 67.222077][ T8765] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 67.231722][ T8765] R13: ffffc9000210f6d8 R14: 0000000000006400 R15: ffff88802b8e8168 [ 67.241762][ T8765] FS: 00007f38ca733700(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 [ 67.251664][ T8765] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 67.261758][ T8765] CR2: 00007fd2d1962038 CR3: 000000002511a000 CR4: 00000000001506f0 [ 67.271087][ T8765] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 67.279634][ T8765] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 67.287667][ T8765] Call Trace: [ 67.292372][ T8765] ? bdi_split_work_to_wbs+0xd40/0xd40 [ 67.297858][ T8765] ? get_nr_dirty_inodes+0x1b2/0x250 [ 67.304015][ T8765] btrfs_commit_transaction+0x8da/0x2b60 [ 67.310144][ T8765] ? btrfs_apply_pending_changes+0x140/0x140 [ 67.316333][ T8765] ? up_write+0x191/0x560 [ 67.323654][ T8765] ? dput+0x35/0xbc0 [ 67.327553][ T8765] ? downgrade_write+0x3a0/0x3a0 [ 67.333345][ T8765] ? dget_parent+0x18a/0x530 [ 67.337970][ T8765] btrfs_sync_file+0xe0f/0x1170 [ 67.343771][ T8765] ? start_ordered_ops.constprop.0+0x110/0x110 [ 67.350678][ T8765] ? lock_downgrade+0x6d0/0x6d0 [ 67.355548][ T8765] ? do_raw_spin_lock+0x120/0x2b0 [ 67.362204][ T8765] ? start_ordered_ops.constprop.0+0x110/0x110 [ 67.368393][ T8765] vfs_fsync_range+0x13a/0x220 [ 67.374570][ T8765] btrfs_file_write_iter+0x1283/0x16d0 [ 67.380647][ T8765] ? btrfs_fdatawrite_range+0x110/0x110 [ 67.386207][ T8765] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 67.393428][ T8765] do_iter_readv_writev+0x46f/0x740 [ 67.402174][ T8765] ? new_sync_write+0x650/0x650 [ 67.407061][ T8765] ? apparmor_file_permission+0x26e/0x4e0 [ 67.413111][ T8765] do_iter_write+0x188/0x670 [ 67.418059][ T8765] ? __sb_start_write+0x1c9/0x450 [ 67.423230][ T8765] vfs_writev+0x1aa/0x2e0 [ 67.427572][ T8765] ? vfs_iter_write+0xa0/0xa0 [ 67.432368][ T8765] ? __fget_files+0x272/0x400 [ 67.437062][ T8765] ? __fget_files+0x294/0x400 [ 67.442028][ T8765] __x64_sys_pwritev+0x231/0x310 [ 67.446990][ T8765] ? __ia32_sys_preadv2+0x150/0x150 [ 67.452250][ T8765] ? syscall_enter_from_user_mode+0x1d/0x50 [ 67.458174][ T8765] do_syscall_64+0x2d/0x70 [ 67.462680][ T8765] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.468661][ T8765] RIP: 0033:0x45deb9 [ 67.472565][ T8765] Code: 0d 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 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 67.479321][ T17] Bluetooth: hci0: command 0x0409 tx timeout [ 67.495262][ T8765] RSP: 002b:00007f38ca732c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000128 [ 67.506992][ T8765] RAX: ffffffffffffffda RBX: 0000000000026480 RCX: 000000000045deb9 [ 67.515163][ T8765] RDX: 0000000000000001 RSI: 00000000200014c0 RDI: 0000000000000003 [ 67.523629][ T8765] RBP: 000000000118bf70 R08: 0000000000000020 R09: 0000000000000000 [ 67.532514][ T8765] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000118bf2c [ 67.540621][ T8765] R13: 00007fffbba32e2f R14: 00007f38ca7339c0 R15: 000000000118bf2c [ 67.548942][ T8765] Kernel panic - not syncing: panic_on_warn set ... [ 67.555547][ T8765] CPU: 0 PID: 8765 Comm: syz-executor.0 Not tainted 5.10.0-rc2-syzkaller #0 [ 67.564216][ T8765] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 67.574263][ T8765] Call Trace: [ 67.577550][ T8765] dump_stack+0x107/0x163 [ 67.581868][ T8765] panic+0x306/0x73d [ 67.585774][ T8765] ? __warn_printk+0xf3/0xf3 [ 67.590369][ T8765] ? __warn.cold+0x1d/0xbb [ 67.594772][ T8765] ? __warn.cold+0x14/0xbb [ 67.599215][ T8765] ? __writeback_inodes_sb_nr+0x229/0x280 [ 67.604938][ T8765] __warn.cold+0x38/0xbb [ 67.609172][ T8765] ? __writeback_inodes_sb_nr+0x229/0x280 [ 67.614919][ T8765] report_bug+0x1bd/0x210 [ 67.619256][ T8765] handle_bug+0x3c/0x60 [ 67.623427][ T8765] exc_invalid_op+0x14/0x40 [ 67.627936][ T8765] asm_exc_invalid_op+0x12/0x20 [ 67.632793][ T8765] RIP: 0010:__writeback_inodes_sb_nr+0x229/0x280 [ 67.639126][ T8765] Code: 48 8b 84 24 c0 00 00 00 65 48 2b 04 25 28 00 00 00 75 38 48 81 c4 c8 00 00 00 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 97 33 a7 ff <0f> 0b e9 69 ff ff ff 4c 89 f7 e8 58 a9 e8 ff e9 ea fe ff ff 4c 89 [ 67.658741][ T8765] RSP: 0018:ffffc9000210f6b0 EFLAGS: 00010293 [ 67.664812][ T8765] RAX: 0000000000000000 RBX: 1ffff92000421ed7 RCX: ffffffff81c8d4f0 [ 67.672830][ T8765] RDX: ffff88802bbfb480 RSI: ffffffff81c8d589 RDI: 0000000000000007 [ 67.680800][ T8765] RBP: ffff88802b8e8000 R08: 0000000000000000 R09: ffff88802b8e8077 [ 67.688777][ T8765] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 67.696806][ T8765] R13: ffffc9000210f6d8 R14: 0000000000006400 R15: ffff88802b8e8168 [ 67.704804][ T8765] ? __writeback_inodes_sb_nr+0x190/0x280 [ 67.710535][ T8765] ? __writeback_inodes_sb_nr+0x229/0x280 [ 67.716270][ T8765] ? bdi_split_work_to_wbs+0xd40/0xd40 [ 67.721742][ T8765] ? get_nr_dirty_inodes+0x1b2/0x250 [ 67.727035][ T8765] btrfs_commit_transaction+0x8da/0x2b60 [ 67.732687][ T8765] ? btrfs_apply_pending_changes+0x140/0x140 [ 67.738672][ T8765] ? up_write+0x191/0x560 [ 67.743006][ T8765] ? dput+0x35/0xbc0 [ 67.746895][ T8765] ? downgrade_write+0x3a0/0x3a0 [ 67.751844][ T8765] ? dget_parent+0x18a/0x530 [ 67.756449][ T8765] btrfs_sync_file+0xe0f/0x1170 [ 67.761303][ T8765] ? start_ordered_ops.constprop.0+0x110/0x110 [ 67.767463][ T8765] ? lock_downgrade+0x6d0/0x6d0 [ 67.772327][ T8765] ? do_raw_spin_lock+0x120/0x2b0 [ 67.777356][ T8765] ? start_ordered_ops.constprop.0+0x110/0x110 [ 67.783518][ T8765] vfs_fsync_range+0x13a/0x220 [ 67.788301][ T8765] btrfs_file_write_iter+0x1283/0x16d0 [ 67.793753][ T8765] ? btrfs_fdatawrite_range+0x110/0x110 [ 67.799342][ T8765] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 67.805352][ T8765] do_iter_readv_writev+0x46f/0x740 [ 67.810564][ T8765] ? new_sync_write+0x650/0x650 [ 67.815413][ T8765] ? apparmor_file_permission+0x26e/0x4e0 [ 67.821134][ T8765] do_iter_write+0x188/0x670 [ 67.825736][ T8765] ? __sb_start_write+0x1c9/0x450 [ 67.830748][ T8765] vfs_writev+0x1aa/0x2e0 [ 67.835079][ T8765] ? vfs_iter_write+0xa0/0xa0 [ 67.839762][ T8765] ? __fget_files+0x272/0x400 [ 67.844458][ T8765] ? __fget_files+0x294/0x400 [ 67.849147][ T8765] __x64_sys_pwritev+0x231/0x310 [ 67.854075][ T8765] ? __ia32_sys_preadv2+0x150/0x150 [ 67.859278][ T8765] ? syscall_enter_from_user_mode+0x1d/0x50 [ 67.865182][ T8765] do_syscall_64+0x2d/0x70 [ 67.869596][ T8765] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 67.875493][ T8765] RIP: 0033:0x45deb9 [ 67.879402][ T8765] Code: 0d 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 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 67.899027][ T8765] RSP: 002b:00007f38ca732c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000128 [ 67.907472][ T8765] RAX: ffffffffffffffda RBX: 0000000000026480 RCX: 000000000045deb9 [ 67.915466][ T8765] RDX: 0000000000000001 RSI: 00000000200014c0 RDI: 0000000000000003 [ 67.923461][ T8765] RBP: 000000000118bf70 R08: 0000000000000020 R09: 0000000000000000 [ 67.931450][ T8765] R10: 0000000000000002 R11: 0000000000000246 R12: 000000000118bf2c [ 67.939557][ T8765] R13: 00007fffbba32e2f R14: 00007f38ca7339c0 R15: 000000000118bf2c [ 67.948304][ T8765] Kernel Offset: disabled [ 67.952744][ T8765] Rebooting in 86400 seconds..