BTRFS info (device loop2): read error corrected: ino 0 off 22048768 (dev /dev/loop2 sector 43064) device veth1_macvtap left promiscuous mode device veth0_macvtap left promiscuous mode device veth1_vlan left promiscuous mode device veth0_vlan left promiscuous mode BUG: sleeping function called from invalid context at net/core/sock.c:2863 in_atomic(): 1, irqs_disabled(): 0, pid: 16646, name: syz-executor.1 1 lock held by syz-executor.1/16646: #0: 00000000318dd86e (hci_sk_list.lock){++++}, at: hci_sock_dev_event+0x3db/0x660 net/bluetooth/hci_sock.c:756 Preemption disabled at: [<0000000000000000>] (null) CPU: 1 PID: 16646 Comm: syz-executor.1 Not tainted 4.19.202-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 ___might_sleep.cold+0x235/0x250 kernel/sched/core.c:6192 lock_sock_nested+0x33/0x110 net/core/sock.c:2863 lock_sock include/net/sock.h:1510 [inline] hci_sock_dev_event+0x465/0x660 net/bluetooth/hci_sock.c:758 hci_unregister_dev+0x25b/0x910 net/bluetooth/hci_core.c:3292 vhci_release+0x70/0xe0 drivers/bluetooth/hci_vhci.c:354 __fput+0x2ce/0x890 fs/file_table.c:278 task_work_run+0x148/0x1c0 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0xbf3/0x2be0 kernel/exit.c:870 do_group_exit+0x125/0x310 kernel/exit.c:967 get_signal+0x3f2/0x1f70 kernel/signal.c:2589 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x46641d Code: Bad RIP value. RSP: 002b:00007f454a046c80 EFLAGS: 00000293 ORIG_RAX: 0000000000000014 RAX: 00000000000000ff RBX: 0000000000000002 RCX: 000000000046641d RDX: 0000000000000004 RSI: 00007f454a046cc0 RDI: 00000000000000f1 RBP: 00007f454a046e20 R08: 0000000000000000 R09: 00007f454a047700 R10: 00007f454a0479d0 R11: 0000000000000293 R12: 00007f454a046e10 R13: 000600046003fd00 R14: 00007f454a047300 R15: 0000000000802000 bond1 (unregistering): Released all slaves device hsr_slave_1 left promiscuous mode device hsr_slave_0 left promiscuous mode bond0 (unregistering): Released all slaves net_ratelimit: 7 callbacks suppressed bond1: failed to get link speed/duplex for bridge1 bond1: failed to get link speed/duplex for bridge1 bond1: failed to get link speed/duplex for bridge1 bond1: failed to get link speed/duplex for bridge1 bond1: failed to get link speed/duplex for bridge1 bond1: failed to get link speed/duplex for bridge1 bond1: failed to get link speed/duplex for bridge1 bond1: failed to get link speed/duplex for bridge1 bond1: failed to get link speed/duplex for bridge1 IPVS: ftp: loaded support on port[0] = 21 bond1: failed to get link speed/duplex for bridge1 chnl_net:caif_netlink_parms(): no params data found bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered disabled state device bridge_slave_0 entered promiscuous mode bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_1 entered promiscuous mode bond0: Enslaving bond_slave_0 as an active interface with an up link bond0: Enslaving bond_slave_1 as an active interface with an up link IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready team0: Port device team_slave_0 added IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready team0: Port device team_slave_1 added batman_adv: batadv0: Adding interface: batadv_slave_0 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. batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active batman_adv: batadv0: Adding interface: batadv_slave_1 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. batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready device hsr_slave_0 entered promiscuous mode device hsr_slave_1 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered forwarding state bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered forwarding state IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready 8021q: adding VLAN 0 to HW filter on device bond0 IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready bridge0: port 1(bridge_slave_0) entered disabled state bridge0: port 2(bridge_slave_1) entered disabled state IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready 8021q: adding VLAN 0 to HW filter on device team0 IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered forwarding state IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered forwarding state IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready 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 IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready 8021q: adding VLAN 0 to HW filter on device batadv0 IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready device veth0_vlan entered promiscuous mode device veth1_vlan entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready device veth0_macvtap entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready device veth1_macvtap entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: batadv0: Interface activated: batadv_slave_0 IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready batman_adv: batadv0: Interface activated: batadv_slave_1 IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready BTRFS info (device loop2): disk space caching is enabled BTRFS warning (device ): duplicate device /dev/loop3 devid 1 generation 7 scanned by syz-executor.3 (16952) BTRFS info (device loop2): has skinny extents BTRFS warning (device ): duplicate device /dev/loop0 devid 1 generation 7 scanned by syz-executor.0 (16954) BTRFS warning (device ): duplicate device /dev/loop3 devid 1 generation 7 scanned by systemd-udevd (16947) BTRFS warning (device ): duplicate device /dev/loop0 devid 1 generation 7 scanned by systemd-udevd (16972) BTRFS warning (device loop2): loop2 checksum verify failed on 22036480 wanted 2FDE571D found CC0EC19B level 0 BTRFS info (device loop2): read error corrected: ino 0 off 22036480 (dev /dev/loop2 sector 43040) BTRFS warning (device ): duplicate device /dev/loop3 devid 1 generation 7 scanned by syz-executor.3 (16998) BTRFS info (device loop2): read error corrected: ino 0 off 22040576 (dev /dev/loop2 sector 43048) BTRFS info (device loop2): read error corrected: ino 0 off 22044672 (dev /dev/loop2 sector 43056) BTRFS warning (device ): duplicate device /dev/loop3 devid 1 generation 7 scanned by systemd-udevd (16987) BTRFS info (device loop2): read error corrected: ino 0 off 22048768 (dev /dev/loop2 sector 43064) BTRFS warning (device ): duplicate device /dev/loop0 devid 1 generation 7 scanned by syz-executor.0 (17015) BTRFS warning (device ): duplicate device /dev/loop3 devid 1 generation 7 scanned by syz-executor.3 (17022) BTRFS warning (device ): duplicate device /dev/loop0 devid 1 generation 7 scanned by systemd-udevd (16968) BTRFS warning (device ): duplicate device /dev/loop3 devid 1 generation 7 scanned by systemd-udevd (16987) overlayfs: unrecognized mount option "lower): duplicate device /dev/loop2 devid 1 generation 7 scanned by syz-executor.2 (17056) FAT-fs (loop1): bogus number of reserved sectors BTRFS info (device loop0): has skinny extents FAT-fs (loop1): Can't find a valid FAT filesystem BTRFS warning (device ): duplicate device /dev/loop3 devid 1 generation 7 scanned by syz-executor.3 (17059) audit: type=1804 audit(1628660240.259:490): pid=17078 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir642266625/syzkaller.1642wr/4/file0/bus" dev="sda1" ino=14694 res=1 BTRFS warning (device ): duplicate device /dev/loop3 devid 1 generation 7 scanned by systemd-udevd (16987) FAT-fs (loop1): bogus number of reserved sectors FAT-fs (loop1): Can't find a valid FAT filesystem BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 7 scanned by systemd-udevd (16962) audit: type=1804 audit(1628660240.409:491): pid=17078 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir642266625/syzkaller.1642wr/4/file0/bus" dev="sda1" ino=14694 res=1 BTRFS warning (device loop0): loop0 checksum verify failed on 22036480 wanted 2FDE571D found CC0EC19B level 0 BTRFS info (device loop0): read error corrected: ino 0 off 22036480 (dev /dev/loop0 sector 43040) BTRFS info (device loop0): read error corrected: ino 0 off 22040576 (dev /dev/loop0 sector 43048) BTRFS warning (device ): duplicate device /dev/loop3 devid 1 generation 7 scanned by syz-executor.3 (17104) BTRFS info (device loop0): read error corrected: ino 0 off 22044672 (dev /dev/loop0 sector 43056) BTRFS info (device loop0): read error corrected: ino 0 off 22048768 (dev /dev/loop0 sector 43064) device wlan1 left promiscuous mode BTRFS warning (device ): duplicate device /dev/loop3 devid 1 generation 7 scanned by systemd-udevd (16987) netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 7 scanned by syz-executor.2 (17128) netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'. BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 7 scanned by syz-executor.2 (17168) net_ratelimit: 26 callbacks suppressed bond1: failed to get link speed/duplex for bridge1 BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 7 scanned by systemd-udevd (17185) bond1: failed to get link speed/duplex for bridge1 BTRFS info (device loop0): disk space caching is enabled BTRFS info (device loop0): has skinny extents BTRFS warning (device loop0): loop0 checksum verify failed on 22036480 wanted 2FDE571D found CC0EC19B level 0 BTRFS info (device loop0): read error corrected: ino 0 off 22036480 (dev /dev/loop0 sector 43040) BTRFS info (device loop0): read error corrected: ino 0 off 22040576 (dev /dev/loop0 sector 43048) bond1: failed to get link speed/duplex for bridge1 bond1: failed to get link speed/duplex for bridge1 bond1: failed to get link speed/duplex for bridge1 device batadv0 entered promiscuous mode BTRFS info (device loop0): disk space caching is enabled BTRFS info (device loop0): has skinny extents Y4`Ҙ: Cannot use loopback or non-ethernet device as HSR slave. device batadv0 left promiscuous mode BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 7 scanned by syz-executor.2 (17232) BTRFS warning (device loop0): loop0 checksum verify failed on 22036480 wanted 2FDE571D found CC0EC19B level 0 bond1: failed to get link speed/duplex for bridge1 device batadv0 entered promiscuous mode BTRFS warning (device ): duplicate device /dev/loop3 devid 1 generation 7 scanned by syz-executor.3 (17237) Y4`Ҙ: Cannot use loopback or non-ethernet device as HSR slave. BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 7 scanned by systemd-udevd (17184) BTRFS warning (device ): duplicate device /dev/loop3 devid 1 generation 7 scanned by systemd-udevd (17185) device batadv0 left promiscuous mode bond1: failed to get link speed/duplex for bridge1 bond1: failed to get link speed/duplex for bridge1 overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. bond1: failed to get link speed/duplex for bridge1 BTRFS info (device loop3): disk space caching is enabled BTRFS info (device loop3): has skinny extents BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 7 scanned by syz-executor.2 (17285) bond1: failed to get link speed/duplex for bridge1 BTRFS warning (device ): duplicate device /dev/loop0 devid 1 generation 7 scanned by syz-executor.0 (17303) BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 7 scanned by syz-executor.2 (17320) BTRFS warning (device loop3): loop3 checksum verify failed on 22036480 wanted 2FDE571D found CC0EC19B level 0 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'. BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 7 scanned by syz-executor.2 (17343) BTRFS warning (device ): duplicate device /dev/loop0 devid 1 generation 7 scanned by syz-executor.0 (17344) BTRFS warning (device ): duplicate device /dev/loop0 devid 1 generation 7 scanned by systemd-udevd (17189) BTRFS warning (device ): duplicate device /dev/loop2 devid 1 generation 7 scanned by systemd-udevd (17185) BTRFS info (device loop2): disk space caching is enabled BTRFS warning (device ): duplicate device /dev/loop0 devid 1 generation 7 scanned by syz-executor.0 (17383)