last executing test programs: 1m6.316922711s ago: executing program 0 (id=206): io_uring_setup(0x647e, &(0x7f0000000000)={0x0, 0x12fc9c, 0x2, 0x1, 0x4}) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x20004015}, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f00000001c0)={'batadv_slave_0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="60000000140001002bbd7000ffdbdf25020000fd", @ANYRES32=r1, @ANYBLOB="08000b00e000000108000200ac"], 0x60}}, 0x814) sendmmsg(0xffffffffffffffff, &(0x7f00000002c0), 0x40000000000009f, 0x0) 1m5.584796635s ago: executing program 1 (id=207): mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mysys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./mysys\x00', 0x0, 0x0, 0x0) r0 = open_tree(0xffffffffffffff9c, &(0x7f0000000640)='\x00', 0x89901) move_mount(r0, &(0x7f0000000140)='.\x00', r0, &(0x7f0000000300)='./mysys\x00', 0x104) 58.273867197s ago: executing program 0 (id=208): io_uring_setup(0x647e, &(0x7f0000000000)={0x0, 0x12fc9c, 0x2, 0x1, 0x4}) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x20004015}, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="60000000140001002bbd7000ffdbdf25020000fd", @ANYRES32, @ANYBLOB="08000b00e000000108000200ac"], 0x60}}, 0x814) 57.307161358s ago: executing program 1 (id=209): r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101}) r1 = socket(0x400000000010, 0x3, 0x0) r2 = socket$unix(0x1, 0x1, 0x0) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', 0x0}) sendmsg$nl_route_sched(r1, &(0x7f0000000bc0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000400)=@newqdisc={0x58, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xffffffff, {0x0, 0x0, 0x0, r3, {0x0, 0xffff}, {0xffff, 0xffff}, {0x0, 0x2}}, [@qdisc_kind_options=@q_sfb={{0x8}, {0x2c, 0x2, @TCA_SFB_PARMS={0x28, 0x1, {0x8001, 0xfffffff9, 0x57, 0x1bc4, 0x1, 0x5, 0x5, 0x400, 0x36}}}}]}, 0x58}, 0x1, 0x0, 0x0, 0x4}, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000480)=@newtfilter={0x40, 0x2c, 0xd27, 0x30bd29, 0x25dfdc00, {0x0, 0x0, 0x0, r3, {0x0, 0x4}, {}, {0x8, 0xf}}, [@filter_kind_options=@f_matchall={{0xd}, {0xc, 0x2, [@TCA_MATCHALL_CLASSID={0x8, 0x1, {0x8, 0xfff3}}]}}]}, 0x40}, 0x1, 0x0, 0x0, 0x20000010}, 0x20000000) 53.864906165s ago: executing program 0 (id=210): mkdirat(0xffffffffffffff9c, &(0x7f0000001000)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000001000)='./dev\x00', &(0x7f0000001040)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0) ioctl$sock_inet_udp_SIOCINQ(r0, 0x541b, 0x0) 49.759865738s ago: executing program 0 (id=211): madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x19) mremap(&(0x7f00001c7000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000001000/0x1000)=nil) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, 0x0) r0 = socket$inet_tcp(0x2, 0x1, 0x0) bind$inet(0xffffffffffffffff, &(0x7f0000000040)={0x2, 0x4e22, @multicast1}, 0x10) sendto$inet(0xffffffffffffffff, 0x0, 0x38, 0x20000800, &(0x7f0000000240)={0x2, 0x0, @remote}, 0x10) syz_emit_ethernet(0x36, &(0x7f0000000440)=ANY=[], 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./cgroup/cgroup.procs\x00', 0x2, 0x0) read(r1, &(0x7f0000000080)=""/1, 0x1) r2 = fsopen(&(0x7f0000000000)='cgroup2\x00', 0x0) fsconfig$FSCONFIG_SET_BINARY(r2, 0x6, 0x0, 0x0, 0x0) r3 = fsmount(r2, 0x1, 0x0) bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='\x00'], 0x50) r4 = openat$cgroup_subtree(r3, &(0x7f0000000100), 0x2, 0x0) write$cgroup_subtree(r4, &(0x7f0000000300)=ANY=[@ANYBLOB='-cpu'], 0x5) socket$inet(0x2, 0x2, 0x1) r5 = socket$inet6(0xa, 0x80002, 0x0) setsockopt$SO_ATTACH_FILTER(r5, 0x1, 0x44, &(0x7f0000000000)={0x4d, 0x0}, 0x10) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeeb, 0x8031, 0xffffffffffffffff, 0xdabc3000) bpf$MAP_CREATE(0x0, 0x0, 0x50) bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x0, 0xfffffffc}, 0x28) bpf$BPF_LINK_CREATE(0x1c, 0x0, 0x0) close_range(r0, 0xffffffffffffffff, 0x0) 45.895581533s ago: executing program 1 (id=212): io_uring_setup(0x647e, &(0x7f0000000000)={0x0, 0x12fc9c, 0x2, 0x1, 0x4}) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x20004015}, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f00000001c0)={'batadv_slave_0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="60000000140001002bbd7000ffdbdf25020000fd", @ANYRES32=r1, @ANYBLOB="08000b00e000000108000200ac"], 0x60}}, 0x814) sendmmsg(0xffffffffffffffff, &(0x7f00000002c0), 0x40000000000009f, 0x0) 36.230480137s ago: executing program 1 (id=213): socket$inet6_tcp(0xa, 0x1, 0x0) socket$nl_netfilter(0x10, 0x3, 0xc) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) socket$nl_generic(0x10, 0x3, 0x10) r0 = syz_create_resource$binfmt(&(0x7f0000001400)='./file0\x00') openat$binfmt(0xffffffffffffff9c, r0, 0x42, 0x1ff) syz_usb_control_io(0xffffffffffffffff, 0x0, 0x0) write(0xffffffffffffffff, &(0x7f0000000140)='p', 0x1) mmap$IORING_OFF_SQ_RING(0x0, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) socket$nl_generic(0x10, 0x3, 0x10) socketpair$unix(0x1, 0x2, 0x0, 0x0) socketpair$unix(0x1, 0x2, 0x0, 0x0) syz_ublk_add_dev(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000200)={0x2e, 0x0, 0x0, 0xffffffffffffffff, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x40, &(0x7f00000001c0)=@new_dev={0x4, 0x3c9, 0x0, 0x0, 0x1000, 0xffffffff, 0x0, 0x0, 0x40}}}, &(0x7f0000000300)=0x0) r2 = syz_ublk_setup_io_uring(0x467c, &(0x7f0000000140)={0x0, 0xcfab, 0x8000, 0x0, 0x118}, &(0x7f0000000280), &(0x7f00000002c0), &(0x7f00000003c0)) r3 = socket$inet6_tcp(0xa, 0x1, 0x0) r4 = dup(r3) syz_ublk_setup_queues(r4, r1, &(0x7f00000004c0)={0x0, 0x400042cc, 0x10, 0x1, 0x80, 0x0, r2}, &(0x7f0000000a80)=[{0x0, 0x0, 0xffffffffffffffff, {0x0, 0xe706, 0x1000, 0x3, 0x91}}, {0x0, 0x0, 0xffffffffffffffff, {0x0, 0x3b40, 0x2, 0x4, 0x3aa}}, {0x0, 0x0, 0xffffffffffffffff, {0x0, 0x93f9, 0x8000, 0x4003bfff, 0x2b8}}, {0x0, 0x0, 0xffffffffffffffff, {0x0, 0x5, 0x800, 0x3, 0x8}}], 0x1, 0x0, 0x0) 23.768921502s ago: executing program 0 (id=214): io_uring_setup(0x647e, &(0x7f0000000000)={0x0, 0x12fc9c, 0x2, 0x1, 0x4}) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x20004015}, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="60000000140001002bbd7000ffdbdf25020000fd", @ANYRES32, @ANYBLOB="08000b00e000000108000200ac"], 0x60}}, 0x814) 12.410207231s ago: executing program 1 (id=215): r0 = syz_open_dev$dri(&(0x7f0000000180), 0x1, 0x0) ioctl$DRM_IOCTL_MODE_ADDFB2(r0, 0xc06864b8, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x9, 0x6, [], [0x8001, 0x11, 0x2, 0x10], [0x0, 0x9, 0x3, 0x8], [0x6, 0x4aa0782b, 0x6, 0x9]}) 8.303884734s ago: executing program 0 (id=216): openat$fuse(0xffffffffffffff9c, &(0x7f0000002000), 0x2, 0x0) syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) madvise(&(0x7f0000000000/0x800000)=nil, 0x800000, 0xe) mlock(&(0x7f0000000000/0x800000)=nil, 0x800000) mremap(&(0x7f00005ab000/0x1000)=nil, 0x1000, 0x1000, 0x7, &(0x7f0000ffe000/0x1000)=nil) madvise(&(0x7f00007bd000/0x1000)=nil, 0x1000, 0x14) 0s ago: executing program 1 (id=217): io_uring_setup(0x647e, &(0x7f0000000000)={0x0, 0x12fc9c, 0x2, 0x1, 0x4}) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}, 0x1, 0x0, 0x0, 0x20004015}, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) ioctl$ifreq_SIOCGIFINDEX_batadv_hard(r0, 0x8933, &(0x7f00000001c0)={'batadv_slave_0\x00', 0x0}) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)=ANY=[@ANYBLOB="60000000140001002bbd7000ffdbdf25020000fd", @ANYRES32=r1, @ANYBLOB="08000b00e000000108000200ac"], 0x60}}, 0x814) sendmmsg(0xffffffffffffffff, &(0x7f00000002c0), 0x40000000000009f, 0x0) kernel console output (not intermixed with test programs): Warning: Permanently added '[localhost]:37359' (ED25519) to the list of known hosts. syzkaller login: [ 586.048036][ T3219] cgroup: Unknown subsys name 'net' [ 586.996627][ T3219] cgroup: Unknown subsys name 'cpuset' [ 587.135856][ T3219] cgroup: Unknown subsys name 'rlimit' Setting up swapspace version 1, size = 127995904 bytes [ 700.038362][ T3219] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 953.815121][ T3233] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 954.397832][ T3233] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 966.218746][ T3235] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 966.836673][ T3235] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 996.949491][ T3233] hsr_slave_0: entered promiscuous mode [ 997.037310][ T3233] hsr_slave_1: entered promiscuous mode [ 1002.879074][ T3235] hsr_slave_0: entered promiscuous mode [ 1002.940099][ T3235] hsr_slave_1: entered promiscuous mode [ 1002.993797][ T3235] debugfs: 'hsr0' already exists in 'hsr' [ 1002.996369][ T3235] Cannot create hsr debugfs directory [ 1026.638523][ T3233] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 1026.800577][ T3233] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 1026.840659][ T3233] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 1026.946323][ T3233] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 1027.096013][ T3233] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 1027.338975][ T3233] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 1027.619118][ T3233] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 1028.121014][ T3233] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 1034.127836][ T3235] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 1034.450963][ T3235] 8021q: adding VLAN 0 to HW filter on device netdevsim0 [ 1034.556924][ T3235] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 1034.747812][ T3235] 8021q: adding VLAN 0 to HW filter on device netdevsim1 [ 1034.857978][ T3235] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 1035.635775][ T3235] 8021q: adding VLAN 0 to HW filter on device netdevsim2 [ 1035.828355][ T3235] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 1035.989967][ T3235] 8021q: adding VLAN 0 to HW filter on device netdevsim3 [ 1061.197601][ T3233] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1073.107758][ T3235] 8021q: adding VLAN 0 to HW filter on device bond0 [ 1223.236912][ T3233] veth0_vlan: entered promiscuous mode [ 1226.760556][ T3233] veth1_vlan: entered promiscuous mode [ 1227.814761][ T3235] veth0_vlan: entered promiscuous mode [ 1232.206398][ T3235] veth1_vlan: entered promiscuous mode [ 1238.270202][ T3233] veth0_macvtap: entered promiscuous mode [ 1239.993698][ T3233] veth1_macvtap: entered promiscuous mode [ 1241.652178][ T3235] veth0_macvtap: entered promiscuous mode [ 1245.016453][ T3235] veth1_macvtap: entered promiscuous mode [ 1248.867349][ T3335] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1249.276236][ T3220] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1249.643563][ T3555] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1250.266162][ T47] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1255.798906][ T47] netdevsim netdevsim1 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 1257.323857][ T3238] netdevsim netdevsim1 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 1257.336438][ T47] netdevsim netdevsim1 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 1257.348765][ T47] netdevsim netdevsim1 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 1270.009023][ T3233] soft_limit_in_bytes is deprecated and will be removed. Writing any value to this file has no effect. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [ 1343.810988][ T3880] input: syz1 as /devices/virtual/input/input0 [ 1465.287452][ T3920] bond0: option arp_interval: invalid value (18446744073343516055) [ 1465.299791][ T3920] bond0: option arp_interval: allowed values 0 - 2147483647 [ 1688.565650][ T3986] ip_tables: iptables: counters copy to user failed while replacing table [ 1768.666473][ T4015] faux_driver vgem: [drm] Unknown color mode 6; guessing buffer size. [ 1773.255281][ T4017] FAULT_INJECTION: forcing a failure. [ 1773.255281][ T4017] name failslab, interval 1, probability 0, space 0, times 1 [ 1773.257374][ T4017] CPU: 1 UID: 0 PID: 4017 Comm: syz.0.46 Not tainted syzkaller #0 PREEMPT [ 1773.258264][ T4017] Hardware name: riscv-virtio,qemu (DT) [ 1773.258946][ T4017] Call Trace: [ 1773.259491][ T4017] [] dump_backtrace+0x2e/0x3c [ 1773.261460][ T4017] [] show_stack+0x30/0x3c [ 1773.262013][ T4017] [] dump_stack_lvl+0x114/0x1aa [ 1773.262602][ T4017] [] dump_stack+0x1c/0x24 [ 1773.263158][ T4017] [] should_fail_ex+0x5ac/0x5b6 [ 1773.263857][ T4017] [] should_failslab+0xb2/0xfa [ 1773.264506][ T4017] [] __kmalloc_noprof+0xd2/0x900 [ 1773.265340][ T4017] [] ops_init+0x74/0x5b2 [ 1773.266073][ T4017] [] setup_net+0x12a/0x372 [ 1773.266830][ T4017] [] copy_net_ns+0x2f6/0x70e [ 1773.267629][ T4017] [] create_new_namespaces+0x364/0x982 [ 1773.268401][ T4017] [] unshare_nsproxy_namespaces+0xea/0x1fe [ 1773.269259][ T4017] [] ksys_unshare+0x46c/0x9f4 [ 1773.270001][ T4017] [] __riscv_sys_unshare+0x34/0x48 [ 1773.270738][ T4017] [] syscall_handler+0x92/0x114 [ 1773.271529][ T4017] [] do_trap_ecall_u+0x4ca/0x658 [ 1773.272168][ T4017] [] handle_exception+0x168/0x174 [ 1827.995271][ T4029] syz.1.50 uses obsolete (PF_INET,SOCK_PACKET) [ 1898.849291][ T4052] netlink: 16 bytes leftover after parsing attributes in process `syz.1.56'. [ 1951.117779][ T4066] netlink: 16 bytes leftover after parsing attributes in process `syz.0.62'. [ 2015.236414][ T4082] netlink: 16 bytes leftover after parsing attributes in process `syz.0.68'. [ 2072.639384][ T4104] input: syz1 as /devices/virtual/input/input1 [ 2142.192048][ T4128] input: syz1 as /devices/virtual/input/input2 [ 2199.263882][ T4147] device-mapper: ioctl: ioctl interface mismatch: kernel(4.50.0), user(12339.8192.232), cmd(3) [ 2221.774247][ T4156] loop0: detected capacity change from 0 to 3904 [ 2222.226524][ T4157] loop0: [ 2239.086929][ T4167] device-mapper: ioctl: ioctl interface mismatch: kernel(4.50.0), user(12339.8192.232), cmd(3) [ 2292.929354][ T4184] device-mapper: ioctl: Invalid data size in the ioctl structure: 0 [ 2294.146235][ T4186] netlink: 16 bytes leftover after parsing attributes in process `syz.1.98'. [ 2295.045658][ T4186] bond0: entered promiscuous mode [ 2295.050657][ T4186] bond_slave_0: entered promiscuous mode [ 2295.138558][ T4186] bond_slave_1: entered promiscuous mode [ 2295.696557][ T4186] gretap0: entered promiscuous mode [ 2296.166329][ T4186] hsr1: entered promiscuous mode [ 2340.787198][ T4202] device-mapper: ioctl: Invalid data size in the ioctl structure: 0 [ 2374.347883][ T4215] device-mapper: ioctl: Invalid data size in the ioctl structure: 0 [ 2418.424578][ T4228] device-mapper: ioctl: Invalid data size in the ioctl structure: 0 [ 2463.592810][ T4246] device-mapper: ioctl: Invalid data size in the ioctl structure: 0 [ 2481.499095][ T4260] device-mapper: ioctl: Invalid data size in the ioctl structure: 0 [ 2508.583549][ T4273] FAULT_INJECTION: forcing a failure. [ 2508.583549][ T4273] name failslab, interval 1, probability 0, space 0, times 0 [ 2508.584172][ T4273] CPU: 0 UID: 0 PID: 4273 Comm: syz.0.135 Not tainted syzkaller #0 PREEMPT [ 2508.584556][ T4273] Hardware name: riscv-virtio,qemu (DT) [ 2508.584696][ T4273] Call Trace: [ 2508.584826][ T4273] [] dump_backtrace+0x2e/0x3c [ 2508.585547][ T4273] [] show_stack+0x30/0x3c [ 2508.585930][ T4273] [] dump_stack_lvl+0x114/0x1aa [ 2508.586347][ T4273] [] dump_stack+0x1c/0x24 [ 2508.586654][ T4273] [] should_fail_ex+0x5ac/0x5b6 [ 2508.587021][ T4273] [] should_failslab+0xb2/0xfa [ 2508.587334][ T4273] [] kmem_cache_alloc_node_noprof+0x31e/0x6a6 [ 2508.587782][ T4273] [] __alloc_workqueue+0x1118/0x1ada [ 2508.588191][ T4273] [] alloc_workqueue_noprof+0x9e/0xf4 [ 2508.588648][ T4273] [] dm_create+0xb92/0x1454 [ 2508.589039][ T4273] [] dev_create+0x130/0x290 [ 2508.589446][ T4273] [] ctl_ioctl+0x4d8/0xce4 [ 2508.589906][ T4273] [] dm_ctl_ioctl+0x26/0x34 [ 2508.590306][ T4273] [] __riscv_sys_ioctl+0x17c/0x1e2 [ 2508.590682][ T4273] [] syscall_handler+0x92/0x114 [ 2508.591161][ T4273] [] do_trap_ecall_u+0x4ca/0x658 [ 2508.591533][ T4273] [] handle_exception+0x168/0x174 [ 2527.641127][ T4283] FAULT_INJECTION: forcing a failure. [ 2527.641127][ T4283] name failslab, interval 1, probability 0, space 0, times 0 [ 2527.645752][ T4283] CPU: 0 UID: 0 PID: 4283 Comm: syz.0.140 Not tainted syzkaller #0 PREEMPT [ 2527.646406][ T4283] Hardware name: riscv-virtio,qemu (DT) [ 2527.646636][ T4283] Call Trace: [ 2527.646842][ T4283] [] dump_backtrace+0x2e/0x3c [ 2527.647628][ T4283] [] show_stack+0x30/0x3c [ 2527.648138][ T4283] [] dump_stack_lvl+0x114/0x1aa [ 2527.648681][ T4283] [] dump_stack+0x1c/0x24 [ 2527.649252][ T4283] [] should_fail_ex+0x5ac/0x5b6 [ 2527.649938][ T4283] [] should_failslab+0xb2/0xfa [ 2527.650506][ T4283] [] __kmalloc_cache_node_noprof+0x324/0x6b2 [ 2527.651334][ T4283] [] init_rescuer+0x1a2/0x52a [ 2527.651926][ T4283] [] __alloc_workqueue+0xf42/0x1ada [ 2527.652666][ T4283] [] alloc_workqueue_noprof+0x9e/0xf4 [ 2527.653452][ T4283] [] dm_create+0xb92/0x1454 [ 2527.654050][ T4283] [] dev_create+0x130/0x290 [ 2527.654772][ T4283] [] ctl_ioctl+0x4d8/0xce4 [ 2527.655495][ T4283] [] dm_ctl_ioctl+0x26/0x34 [ 2527.656241][ T4283] [] __riscv_sys_ioctl+0x17c/0x1e2 [ 2527.656942][ T4283] [] syscall_handler+0x92/0x114 [ 2527.657705][ T4283] [] do_trap_ecall_u+0x4ca/0x658 [ 2527.658370][ T4283] [] handle_exception+0x168/0x174 [ 2527.765975][ T4283] workqueue: Failed to allocate a rescuer for wq "kdmflush/248:1" [ 2581.391124][ T4299] FAULT_INJECTION: forcing a failure. [ 2581.391124][ T4299] name failslab, interval 1, probability 0, space 0, times 0 [ 2581.395420][ T4299] CPU: 1 UID: 0 PID: 4299 Comm: syz.1.145 Not tainted syzkaller #0 PREEMPT [ 2581.396133][ T4299] Hardware name: riscv-virtio,qemu (DT) [ 2581.396386][ T4299] Call Trace: [ 2581.396607][ T4299] [] dump_backtrace+0x2e/0x3c [ 2581.397437][ T4299] [] show_stack+0x30/0x3c [ 2581.397955][ T4299] [] dump_stack_lvl+0x114/0x1aa [ 2581.398494][ T4299] [] dump_stack+0x1c/0x24 [ 2581.399043][ T4299] [] should_fail_ex+0x5ac/0x5b6 [ 2581.399729][ T4299] [] should_failslab+0xb2/0xfa [ 2581.400302][ T4299] [] __kmalloc_cache_noprof+0x344/0x6b0 [ 2581.401120][ T4299] [] __alloc_workqueue+0x174/0x1ada [ 2581.401932][ T4299] [] alloc_workqueue_noprof+0x9e/0xf4 [ 2581.402741][ T4299] [] dm_create+0xb92/0x1454 [ 2581.403348][ T4299] [] dev_create+0x130/0x290 [ 2581.404156][ T4299] [] ctl_ioctl+0x4d8/0xce4 [ 2581.404932][ T4299] [] dm_ctl_ioctl+0x26/0x34 [ 2581.405711][ T4299] [] __riscv_sys_ioctl+0x17c/0x1e2 [ 2581.406418][ T4299] [] syscall_handler+0x92/0x114 [ 2581.407154][ T4299] [] do_trap_ecall_u+0x4ca/0x658 [ 2581.407833][ T4299] [] handle_exception+0x168/0x174 [ 2701.524781][ T4351] binder: BINDER_SET_CONTEXT_MGR already set [ 2701.525264][ T4351] binder: 4350:4351 ioctl 4018620d 200000000040 returned -16 [ 2775.127256][ T4397] FAULT_INJECTION: forcing a failure. [ 2775.127256][ T4397] name failslab, interval 1, probability 0, space 0, times 0 [ 2775.139380][ T4397] CPU: 0 UID: 0 PID: 4397 Comm: syz.0.176 Not tainted syzkaller #0 PREEMPT [ 2775.140144][ T4397] Hardware name: riscv-virtio,qemu (DT) [ 2775.140395][ T4397] Call Trace: [ 2775.140640][ T4397] [] dump_backtrace+0x2e/0x3c [ 2775.141513][ T4397] [] show_stack+0x30/0x3c [ 2775.142092][ T4397] [] dump_stack_lvl+0x114/0x1aa [ 2775.142700][ T4397] [] dump_stack+0x1c/0x24 [ 2775.143257][ T4397] [] should_fail_ex+0x5ac/0x5b6 [ 2775.143929][ T4397] [] should_failslab+0xb2/0xfa [ 2775.144486][ T4397] [] kmem_cache_alloc_noprof+0x342/0x6a4 [ 2775.145328][ T4397] [] taskstats_exit+0x336/0xaea [ 2775.146103][ T4397] [] do_exit+0x608/0x297a [ 2775.146691][ T4397] [] do_group_exit+0xca/0x258 [ 2775.147284][ T4397] [] get_signal+0x1f56/0x2222 [ 2775.147940][ T4397] [] arch_do_signal_or_restart+0xb72/0x1cec [ 2775.148722][ T4397] [] exit_to_user_mode_loop+0x136/0xc3a [ 2775.149404][ T4397] [] do_trap_ecall_u+0x52c/0x658 [ 2775.150078][ T4397] [] handle_exception+0x168/0x174 [ 2796.783289][ T4407] netlink: 'syz.0.178': attribute type 11 has an invalid length. [ 2796.784073][ T4407] netlink: 56 bytes leftover after parsing attributes in process `syz.0.178'. [ 2797.346317][ T4407] netlink: 'syz.0.178': attribute type 11 has an invalid length. [ 2797.347639][ T4407] netlink: 56 bytes leftover after parsing attributes in process `syz.0.178'. [ 2797.370189][ T4407] Zero length message leads to an empty skb [ 2862.606930][ T4444] loop0: detected capacity change from 0 to 1 [ 2862.793604][ T4444] loop0: [ 2918.735958][ T4481] netlink: 'syz.0.206': attribute type 11 has an invalid length. [ 2918.736751][ T4481] netlink: 56 bytes leftover after parsing attributes in process `syz.0.206'. [ 2926.575166][ T4487] netlink: 'syz.0.208': attribute type 11 has an invalid length. [ 2926.575783][ T4487] netlink: 56 bytes leftover after parsing attributes in process `syz.0.208'. [ 2941.326064][ T4501] netlink: 'syz.1.212': attribute type 11 has an invalid length. [ 2941.327682][ T4501] netlink: 56 bytes leftover after parsing attributes in process `syz.1.212'. [ 2966.825172][ T4509] netlink: 'syz.0.214': attribute type 11 has an invalid length. [ 2966.826041][ T4509] netlink: 56 bytes leftover after parsing attributes in process `syz.0.214'. [ 2986.594409][ T4520] netlink: 'syz.1.217': attribute type 11 has an invalid length. [ 2986.599263][ T4520] netlink: 56 bytes leftover after parsing attributes in process `syz.1.217'. [ 2989.166609][ C0] ------------[ cut here ]------------ [ 2989.166921][ C0] kernel BUG at [] mm/page_table_check.c:118! [ 2989.167898][ C0] Kernel BUG [#1] [ 2989.172606][ C0] Modules linked in: [ 2989.175350][ C0] CPU: 0 UID: 0 PID: 4518 Comm: syz.0.216 Not tainted syzkaller #0 PREEMPT [ 2989.178554][ C0] Hardware name: riscv-virtio,qemu (DT) [ 2989.180567][ C0] epc : page_table_check_set+0x912/0xb98 [ 2989.183118][ C0] ra : page_table_check_set+0x912/0xb98 [ 2989.185616][ C0] epc : ffffffff80c9d55e ra : ffffffff80c9d55e sp : ffff8f8003ef7000 [ 2989.188381][ C0] gp : ffffffff8aedd320 tp : ffffaf801de5d040 t0 : ffffaf80205282f0 [ 2989.191158][ C0] t1 : fffff5ef028c2409 t2 : ffffffff80abe1d4 s0 : ffff8f8003ef7080 [ 2989.193874][ C0] s1 : 0000000000000001 a0 : 0000000000000001 a1 : 0000000000000000 [ 2989.196248][ C0] a2 : 0000000000080000 a3 : ffffffff80c9d55e a4 : ffff8f800507fab8 [ 2989.198576][ C0] a5 : 0000000000184ab8 a6 : 0000000000000003 a7 : ffffaf801461204b [ 2989.200859][ C0] s2 : 00000000000b6a00 s3 : 0000000000000000 s4 : ffffaf8014612000 [ 2989.203184][ C0] s5 : 0000000000000200 s6 : 0000000000000001 s7 : dfffffff00000000 [ 2989.205557][ C0] s8 : ffffffff8966e0c0 s9 : 0000000000007fff s10: 0000000000000000 [ 2989.208095][ C0] s11: ffffffff8affc3a0 t3 : 00000000000000c8 t4 : fffff5ef028c2409 [ 2989.211396][ C0] t5 : fffff5ef028c240a t6 : 0000000000000002 ssp : 0000000000000000 [ 2989.214487][ C0] status: 0000000200000120 badaddr: ffffffff80c9d55e cause: 0000000000000003 [ 2989.217579][ C0] [] page_table_check_set+0x912/0xb98 [ 2989.220921][ C0] [] __page_table_check_ptes_set+0x23c/0x4a4 [ 2989.223868][ C0] [] split_huge_pmd_locked+0x1e96/0x22e0 [ 2989.226809][ C0] [] __split_huge_pmd+0x1a4/0x2aa [ 2989.229613][ C0] [] move_page_tables+0xa06/0x3b72 [ 2989.232208][ C0] [] copy_vma_and_data+0x286/0x640 [ 2989.234771][ C0] [] move_vma+0x508/0x1174 [ 2989.237161][ C0] [] mremap_to+0x21c/0x474 [ 2989.239685][ C0] [] __do_sys_mremap+0x6a4/0x138a [ 2989.242236][ C0] [] __riscv_sys_mremap+0xa0/0x1c8 [ 2989.244770][ C0] [] syscall_handler+0x92/0x114 [ 2989.247414][ C0] [] do_trap_ecall_u+0x4ca/0x658 [ 2989.250090][ C0] [] handle_exception+0x168/0x174 [ 2989.253527][ C0] Code: 8097 ff89 80e7 2bc0 8ce3 bc04 8097 ff89 80e7 7ba0 (9002) 8097 [ 2989.257651][ C0] ---[ end trace 0000000000000000 ]--- [ 2989.261834][ C0] Kernel panic - not syncing: Fatal exception in interrupt [ 2989.264989][ C0] SMP: stopping secondary CPUs [ 2989.268621][ C0] Rebooting in 86400 seconds.. VM DIAGNOSIS: 06:59:52 Registers: info registers vcpu 0 CPU#0 V = 0 pc ffffffff82040898 mhartid 0000000000000000 mstatus 0000000a000001a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000220 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000000 medeleg 0000000000f4b509 hedeleg 0000000000000000 mtvec 00000000800004f8 stvec ffffffff865bf974 vstvec 0000000000000000 mepc ffffffff8204089c sepc ffffffff80c9d55e vsepc 0000000000000000 mcause 8000000000000003 scause 0000000000000003 vscause 0000000000000000 mtval 0000000000000000 stval ffffffff80c9d55e htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080049000 sscratch 0000000000000000 satp 902d1000000a0be8 x0/zero 0000000000000000 x1/ra ffffffff82040868 x2/sp ffff8f8003ef6490 x3/gp ffffffff8aedd320 x4/tp ffffaf801de5d040 x5/t0 6c00000000000000 x6/t1 fffff1ef007dec7c x7/t2 6c2073656c75646f x8/s0 ffff8f8003ef64d0 x9/s1 0000000000000000 x10/a0 ffffffff922a30a8 x11/a1 000000000000001f x12/a2 0000000000000000 x13/a3 ffffffff82040868 x14/a4 1ffffffff2454615 x15/a5 ffff8f800006b000 x16/a6 000000001f000100 x17/a7 0000000000000003 x18/s2 ffffffff922a3060 x19/s3 0000000000000030 x20/s4 0000000000000000 x21/s5 0000000000000000 x22/s6 0000000000000010 x23/s7 dfffffff00000000 x24/s8 ffff8f8003ef68a0 x25/s9 ffffffff82040804 x26/s10 0000000000000000 x27/s11 ffffaf801b51a02a x28/t3 ffffffff881998c0 x29/t4 fffff1ef007dec7c x30/t5 fffff1ef007dec7d x31/t6 ffffaf801b51a017 fcsr 0000000000000000 f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 0000000000000000 f3/ft3 0000000000000000 f4/ft4 0000000000000000 f5/ft5 0000000000000000 f6/ft6 0000000000000000 f7/ft7 0000000000000000 f8/fs0 0000000000000000 f9/fs1 0000000000000000 f10/fa0 0000000000000000 f11/fa1 0000000000000000 f12/fa2 0000000000000000 f13/fa3 0000000000000000 f14/fa4 0000000000000000 f15/fa5 0000000000000000 f16/fa6 0000000000000000 f17/fa7 0000000000000000 f18/fs2 0000000000000000 f19/fs3 0000000000000000 f20/fs4 0000000000000000 f21/fs5 0000000000000000 f22/fs6 0000000000000000 f23/fs7 0000000000000000 f24/fs8 0000000000000000 f25/fs9 0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000 f28/ft8 0000000000000000 f29/ft9 0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000 info registers vcpu 1 CPU#1 V = 0 pc ffffffff80394eb6 mhartid 0000000000000001 mstatus 0000000a000000a0 hstatus 0000000200000000 vsstatus 0000000a00000000 mip 0000000000000000 mie 000000000000022a mideleg 0000000000001666 hideleg 0000000000000000 medeleg 0000000000f4b509 hedeleg 0000000000000000 mtvec 00000000800004f8 stvec ffffffff865bf974 vstvec 0000000000000000 mepc ffffffff80092838 sepc ffffffff865bc094 vsepc 0000000000000000 mcause 0000000000000009 scause 8000000000000005 vscause 0000000000000000 mtval 0000000000000000 stval 0000000000000000 htval 0000000000000000 mtval2 0000000000000000 mscratch 0000000080047000 sscratch 0000000000000000 satp 90139000000af074 x0/zero 0000000000000000 x1/ra ffffffff80415db8 x2/sp ffff8f8009717720 x3/gp ffffffff8aedd320 x4/tp ffffaf8016a98000 x5/t0 0000000000000000 x6/t1 fffff1ef012e2ee8 x7/t2 ffffffff9211d428 x8/s0 ffff8f8009717720 x9/s1 ffffaf8072d0d220 x10/a0 ffffaf8072cf9590 x11/a1 0000000000000000 x12/a2 0000000000000001 x13/a3 ffffffff80415f4c x14/a4 0000000040000000 x15/a5 ffffaf8016a99000 x16/a6 0000000000000003 x17/a7 0000000000000003 x18/s2 000002b7732ff710 x19/s3 ffffaf8072cf9540 x20/s4 000002b7732ff710 x21/s5 ffffaf8072cf9480 x22/s6 0000000000000001 x23/s7 0000000000000000 x24/s8 0000000000000000 x25/s9 ffffffff9211d420 x26/s10 1ffff5f00e59f2a8 x27/s11 0000000000000002 x28/t3 ffffffff880c7408 x29/t4 fffff1ef012e2ee8 x30/t5 fffff1ef012e2ee9 x31/t6 ffffffff868814c0 fcsr 0000000000000000 f0/ft0 0000000000000000 f1/ft1 0000000000000000 f2/ft2 0000000000000000 f3/ft3 0000000000000000 f4/ft4 0000000000000000 f5/ft5 0000000000000000 f6/ft6 0000000000000000 f7/ft7 0000000000000000 f8/fs0 0000000000000000 f9/fs1 0000000000000000 f10/fa0 0000000000000000 f11/fa1 0000000000000000 f12/fa2 0000000000000000 f13/fa3 0000000000000000 f14/fa4 0000000000000000 f15/fa5 0000000000000000 f16/fa6 0000000000000000 f17/fa7 0000000000000000 f18/fs2 0000000000000000 f19/fs3 0000000000000000 f20/fs4 0000000000000000 f21/fs5 0000000000000000 f22/fs6 0000000000000000 f23/fs7 0000000000000000 f24/fs8 0000000000000000 f25/fs9 0000000000000000 f26/fs10 0000000000000000 f27/fs11 0000000000000000 f28/ft8 0000000000000000 f29/ft9 0000000000000000 f30/ft10 0000000000000000 f31/ft11 0000000000000000