Warning: Permanently added '10.128.0.254' (ED25519) to the list of known hosts. Setting up swapspace version 1, size = 127995904 bytes syzkaller login: [ 43.718054][ T3966] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k SSFS [ 43.800325][ T3968] chnl_net:caif_netlink_parms(): no params data found [ 43.837554][ T3968] bridge0: port 1(bridge_slave_0) entered blocking state [ 43.839386][ T3968] bridge0: port 1(bridge_slave_0) entered disabled state [ 43.841849][ T3968] device bridge_slave_0 entered promiscuous mode [ 43.846045][ T3968] bridge0: port 2(bridge_slave_1) entered blocking state [ 43.847797][ T3968] bridge0: port 2(bridge_slave_1) entered disabled state [ 43.850088][ T3968] device bridge_slave_1 entered promiscuous mode [ 43.864597][ T3968] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 43.868542][ T3968] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 43.884038][ T3968] team0: Port device team_slave_0 added [ 43.887137][ T3968] team0: Port device team_slave_1 added [ 43.899275][ T3968] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 43.901286][ T3968] 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. [ 43.907097][ T3968] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 43.911367][ T3968] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 43.913064][ T3968] 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. [ 43.919226][ T3968] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 43.972146][ T3968] device hsr_slave_0 entered promiscuous mode [ 44.010411][ T3968] device hsr_slave_1 entered promiscuous mode [ 44.122604][ T3968] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 44.172225][ T3968] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 44.212732][ T3968] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 44.262226][ T3968] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 44.328465][ T3968] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.330387][ T3968] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.332574][ T3968] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.334297][ T3968] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.375142][ T3968] 8021q: adding VLAN 0 to HW filter on device bond0 [ 44.382244][ T3975] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 44.386083][ T3975] bridge0: port 1(bridge_slave_0) entered disabled state [ 44.389002][ T3975] bridge0: port 2(bridge_slave_1) entered disabled state [ 44.394640][ T3975] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 44.401691][ T3968] 8021q: adding VLAN 0 to HW filter on device team0 [ 44.407616][ T3271] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 44.410105][ T3271] bridge0: port 1(bridge_slave_0) entered blocking state [ 44.411803][ T3271] bridge0: port 1(bridge_slave_0) entered forwarding state [ 44.417200][ T3975] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 44.419550][ T3975] bridge0: port 2(bridge_slave_1) entered blocking state [ 44.421373][ T3975] bridge0: port 2(bridge_slave_1) entered forwarding state [ 44.436084][ T3271] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 44.438611][ T3271] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 44.445735][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 44.452673][ T3975] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 44.458689][ T3975] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 44.464845][ T3968] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 44.478041][ T3271] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 44.479985][ T3271] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 44.487434][ T3968] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 44.499498][ T3271] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 44.512217][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 44.514732][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 44.518058][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 44.523921][ T3968] device veth0_vlan entered promiscuous mode [ 44.532608][ T3968] device veth1_vlan entered promiscuous mode [ 44.546344][ T3271] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 44.548687][ T3271] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 44.551904][ T3271] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 44.556155][ T3968] device veth0_macvtap entered promiscuous mode [ 44.560514][ T3968] device veth1_macvtap entered promiscuous mode [ 44.572131][ T3968] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 44.574117][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 44.577433][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 44.583253][ T3968] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 44.586968][ T3968] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.589037][ T3968] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.592974][ T3968] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.595087][ T3968] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 44.598622][ T3271] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready executing program [ 44.654078][ T3968] loop0: detected capacity change from 0 to 4096 [ 44.657079][ T3968] ntfs: (device loop0): parse_options(): Option utf8 is no longer supported, using option nls=utf8. Please use option nls=utf8 in the future and make sure utf8 is compiled either as a module or into the kernel. [ 44.674613][ T3968] ntfs: volume version 3.1. [ 44.692250][ T3968] ================================================================== [ 44.694161][ T3968] BUG: KASAN: use-after-free in ntfs_perform_write+0x4110/0x66b8 [ 44.695947][ T3968] Write of size 1 at addr ffff0000dd20e170 by task syz-executor159/3968 [ 44.697859][ T3968] [ 44.698395][ T3968] CPU: 0 PID: 3968 Comm: syz-executor159 Not tainted 5.15.145-syzkaller #0 [ 44.700271][ T3968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 [ 44.702633][ T3968] Call trace: [ 44.703357][ T3968] dump_backtrace+0x0/0x530 [ 44.704442][ T3968] show_stack+0x2c/0x3c [ 44.705393][ T3968] dump_stack_lvl+0x108/0x170 [ 44.706570][ T3968] print_address_description+0x7c/0x3f0 [ 44.707786][ T3968] kasan_report+0x174/0x1e4 [ 44.708890][ T3968] kasan_check_range+0x274/0x2b4 [ 44.710110][ T3968] memcpy+0xb4/0xe8 [ 44.711098][ T3968] ntfs_perform_write+0x4110/0x66b8 [ 44.712303][ T3968] ntfs_file_write_iter+0xfa4/0x170c [ 44.713628][ T3968] vfs_write+0x87c/0xb3c [ 44.714700][ T3968] ksys_write+0x15c/0x26c [ 44.715743][ T3968] __arm64_sys_write+0x7c/0x90 [ 44.716922][ T3968] invoke_syscall+0x98/0x2b8 [ 44.718088][ T3968] el0_svc_common+0x138/0x258 [ 44.719220][ T3968] do_el0_svc+0x58/0x14c [ 44.720283][ T3968] el0_svc+0x7c/0x1f0 [ 44.721334][ T3968] el0t_64_sync_handler+0x84/0xe4 [ 44.722611][ T3968] el0t_64_sync+0x1a0/0x1a4 [ 44.723686][ T3968] [ 44.724213][ T3968] The buggy address belongs to the page: [ 44.725505][ T3968] page:000000008231391d refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x11d20e [ 44.727935][ T3968] flags: 0x5ffc00000000000(node=0|zone=2|lastcpupid=0x7ff) [ 44.729753][ T3968] raw: 05ffc00000000000 fffffc00037483c8 fffffc0003748348 0000000000000000 [ 44.731907][ T3968] raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000 [ 44.733876][ T3968] page dumped because: kasan: bad access detected [ 44.735449][ T3968] [ 44.736055][ T3968] Memory state around the buggy address: [ 44.737388][ T3968] ffff0000dd20e000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 44.739294][ T3968] ffff0000dd20e080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 44.741323][ T3968] >ffff0000dd20e100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 44.743073][ T3968] ^ [ 44.744903][ T3968] ffff0000dd20e180: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 44.746906][ T3968] ffff0000dd20e200: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 44.748902][ T3968] ================================================================== [ 44.750726][ T3968] Disabling lock debugging due to kernel taint