WARNING: can't dereference registers at ffff88809cb618a8 for ip common_interrupt+0x93/0x93 arch/x86/entry/entry_64.S:576 loop_set_status: loop7 () has still dirty pages (nrpages=1) ip_tables: iptables: counters copy to user failed while replacing table ldm_validate_partition_table(): Disk read failed. Dev loop7: unable to read RDB block 0 loop7: unable to read partition table ip_tables: iptables: counters copy to user failed while replacing table loop_reread_partitions: partition scan of loop7 (@ܸ%2xZ?h2~*2l:QGJR BHH) failed (rc=-5) print_req_error: 277 callbacks suppressed print_req_error: I/O error, dev loop7, sector 0 buffer_io_error: 268 callbacks suppressed Buffer I/O error on dev loop7, logical block 0, async page read print_req_error: I/O error, dev loop7, sector 0 Buffer I/O error on dev loop7, logical block 0, async page read print_req_error: I/O error, dev loop7, sector 0 Buffer I/O error on dev loop7, logical block 0, async page read print_req_error: I/O error, dev loop7, sector 0 Buffer I/O error on dev loop7, logical block 0, async page read print_req_error: I/O error, dev loop7, sector 0 Buffer I/O error on dev loop7, logical block 0, async page read print_req_error: I/O error, dev loop7, sector 0 Buffer I/O error on dev loop7, logical block 0, async page read print_req_error: I/O error, dev loop7, sector 0 Buffer I/O error on dev loop7, logical block 0, async page read print_req_error: I/O error, dev loop7, sector 0 Buffer I/O error on dev loop7, logical block 0, async page read ldm_validate_partition_table(): Disk read failed. print_req_error: I/O error, dev loop7, sector 0 Buffer I/O error on dev loop7, logical block 0, async page read print_req_error: I/O error, dev loop7, sector 0 Buffer I/O error on dev loop7, logical block 0, async page read Dev loop7: unable to read RDB block 0 loop7: unable to read partition table audit: type=1800 audit(1619207595.185:132): pid=1571 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.3" name="file0" dev="sda1" ino=15523 res=0 loop_set_status: loop7 () has still dirty pages (nrpages=1) audit: type=1804 audit(1619207595.225:133): pid=1571 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir660664036/syzkaller.xZfqjv/882/file0" dev="sda1" ino=15523 res=1 audit: type=1800 audit(1619207595.225:134): pid=1571 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.3" name="file0" dev="sda1" ino=15523 res=0 loop_set_status: loop7 () has still dirty pages (nrpages=1) audit: type=1800 audit(1619207595.355:135): pid=1580 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.3" name="file0" dev="sda1" ino=15523 res=0 audit: type=1804 audit(1619207595.725:136): pid=1609 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir660664036/syzkaller.xZfqjv/883/bus" dev="sda1" ino=14451 res=1 ldm_validate_partition_table(): Disk read failed. Dev loop7: unable to read RDB block 0 loop7: unable to read partition table loop_reread_partitions: partition scan of loop7 (@ܸ%2xZ?h2~*2l:QGJR BHH) failed (rc=-5) ldm_validate_partition_table(): Disk read failed. Dev loop7: unable to read RDB block 0 loop7: unable to read partition table loop_reread_partitions: partition scan of loop7 (@ܸ%2xJ?h2~*2l:^GJR BHH) failed (rc=-5) ldm_validate_partition_table(): Disk read failed. Dev loop7: unable to read RDB block 0 loop7: unable to read partition table ubi: mtd0 is already attached to ubi0 ubi0: detaching mtd0 batman_adv: batadv0: Interface deactivated: batadv_slave_1 ldm_validate_partition_table(): Disk read failed. batman_adv: batadv0: Removing interface: batadv_slave_1 print_req_error: 172 callbacks suppressed print_req_error: I/O error, dev loop7, sector 0 buffer_io_error: 166 callbacks suppressed Buffer I/O error on dev loop7, logical block 0, async page read print_req_error: I/O error, dev loop7, sector 0 ubi0: mtd0 is detached Buffer I/O error on dev loop7, logical block 0, async page read print_req_error: I/O error, dev loop7, sector 0 Buffer I/O error on dev loop7, logical block 0, async page read print_req_error: I/O error, dev loop7, sector 0 Buffer I/O error on dev loop7, logical block 0, async page read Dev loop7: unable to read RDB block 0 print_req_error: I/O error, dev loop7, sector 0 Buffer I/O error on dev loop7, logical block 0, async page read device bridge_slave_1 left promiscuous mode print_req_error: I/O error, dev loop7, sector 0 Buffer I/O error on dev loop7, logical block 0, async page read bridge0: port 2(bridge_slave_1) entered disabled state print_req_error: I/O error, dev loop7, sector 0 Buffer I/O error on dev loop7, logical block 0, async page read print_req_error: I/O error, dev loop7, sector 0 Buffer I/O error on dev loop7, logical block 0, async page read loop7: unable to read partition table device bridge_slave_0 left promiscuous mode ubi0: attaching mtd0 loop_reread_partitions: partition scan of loop7 (@ܸ%2xZ?h2~*2l:QGJR BHH) failed (rc=-5) print_req_error: I/O error, dev loop7, sector 0 bridge0: port 1(bridge_slave_0) entered disabled state Buffer I/O error on dev loop7, logical block 0, async page read print_req_error: I/O error, dev loop7, sector 0 Buffer I/O error on dev loop7, logical block 0, async page read ubi0: scanning is finished device veth1_macvtap left promiscuous mode device veth0_macvtap left promiscuous mode device veth1_vlan left promiscuous mode device veth0_vlan left promiscuous mode ubi0 error: ubi_attach_mtd_dev: cannot spawn "ubi_bgt0d", error -4 loop_set_status: loop7 () has still dirty pages (nrpages=1) ubi0: attaching mtd0 ubi0: scanning is finished bond2 (unregistering): Released all slaves bond1 (unregistering): Releasing active interface veth5 ubi0: attached mtd0 (name "mtdram test device", size 0 MiB) ubi0: PEB size: 4096 bytes (4 KiB), LEB size: 3968 bytes bond1 (unregistering): Releasing active interface veth3 ubi0: min./max. I/O unit sizes: 1/64, sub-page size 1 ubi0: VID header offset: 64 (aligned 64), data offset: 128 bond1 (unregistering): Released all slaves ubi0: good PEBs: 32, bad PEBs: 0, corrupted PEBs: 0 ubi0: user volume: 0, internal volumes: 1, max. volumes count: 23 ubi0: max/mean erase counter: 1/1, WL threshold: 4096, image sequence number: 3975034158 ubi0: available PEBs: 28, total reserved PEBs: 4, PEBs reserved for bad PEB handling: 0 ubi0: background thread "ubi_bgt0d" started, PID 1722 ubi0: detaching mtd0 ubi0: mtd0 is detached device hsr_slave_1 left promiscuous mode device hsr_slave_0 left promiscuous mode team0 (unregistering): Port device team_slave_1 removed team0 (unregistering): Port device team_slave_0 removed bond0 (unregistering): Releasing backup interface bond_slave_1 bond0 (unregistering): Releasing backup interface bond_slave_0 bond0 (unregistering): Released all slaves IPVS: ftp: loaded support on port[0] = 21 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 IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready 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_UP): veth1: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0: 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_UP): veth0_to_bridge: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready 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): bridge0: link becomes ready IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready 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