0185879, &(0x7f00000000c0)={0x0, 0x0, 0xfffffffffffff804}) r4 = syz_genetlink_get_family_id$mptcp(&(0x7f0000000080)='mptcp_pm\x00') getsockopt$inet_dccp_buf(r3, 0x21, 0xe, &(0x7f0000000200)=""/91, &(0x7f0000000280)=0x5b) sendmsg$MPTCP_PM_CMD_GET_ADDR(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x2c, r4, 0x100, 0x70bd26, 0x25dfdbfc, {}, [@MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x5}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x8}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x2}]}, 0x2c}}, 0x4400c8c4) sendmsg$MPTCP_PM_CMD_GET_ADDR(r2, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r4, 0x100, 0x70bd29, 0x25dfdbff, {}, [@MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x94}, 0x804) r5 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/net/pfkey\x00', 0x20400, 0x0) r6 = syz_genetlink_get_family_id$devlink(&(0x7f0000000480)='devlink\x00') sendmsg$DEVLINK_CMD_GET(r5, &(0x7f0000000640)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000600)={&(0x7f00000004c0)={0x104, r6, 0x100, 0x70bd2c, 0x25dfdbfd, {}, [@nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}, @pci={{0x8, 0x1, 'pci\x00'}, {0x11, 0x2, '0000:00:10.0\x00'}}, @pci={{0x8, 0x1, 'pci\x00'}, {0x11, 0x2, '0000:00:10.0\x00'}}, @pci={{0x8, 0x1, 'pci\x00'}, {0x11, 0x2, '0000:00:10.0\x00'}}, @nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}, @nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}, @pci={{0x8, 0x1, 'pci\x00'}, {0x11, 0x2, '0000:00:10.0\x00'}}, @nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x104}, 0x1, 0x0, 0x0, 0xc800}, 0x1) 02:52:20 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a1a, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:20 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:20 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, 0x0) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:21 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, 0x0) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:21 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a1b, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:21 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) r2 = socket(0x1e, 0x2, 0x0) sendmsg$tipc(r2, &(0x7f0000000040)={&(0x7f00000000c0)=@name={0x1e, 0x2, 0x0, {{0x0, 0x4}}}, 0x10, 0x0}, 0x0) r3 = open(&(0x7f0000000180)='./file0\x00', 0x141040, 0x0) ioctl$FITRIM(r3, 0xc0185879, &(0x7f00000000c0)={0x0, 0x0, 0xfffffffffffff804}) r4 = syz_genetlink_get_family_id$mptcp(&(0x7f0000000080)='mptcp_pm\x00') getsockopt$inet_dccp_buf(r3, 0x21, 0xe, &(0x7f0000000200)=""/91, &(0x7f0000000280)=0x5b) sendmsg$MPTCP_PM_CMD_GET_ADDR(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x2c, r4, 0x100, 0x70bd26, 0x25dfdbfc, {}, [@MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x5}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x8}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x2}]}, 0x2c}}, 0x4400c8c4) sendmsg$MPTCP_PM_CMD_GET_ADDR(r2, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r4, 0x100, 0x70bd29, 0x25dfdbff, {}, [@MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x94}, 0x804) r5 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/net/pfkey\x00', 0x20400, 0x0) r6 = syz_genetlink_get_family_id$devlink(&(0x7f0000000480)='devlink\x00') sendmsg$DEVLINK_CMD_GET(r5, &(0x7f0000000640)={&(0x7f0000000140)={0x10, 0x0, 0x0, 0x4000}, 0xc, &(0x7f0000000600)={&(0x7f00000004c0)={0x104, r6, 0x100, 0x70bd2c, 0x25dfdbfd, {}, [@nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}, @pci={{0x8, 0x1, 'pci\x00'}, {0x11, 0x2, '0000:00:10.0\x00'}}, @pci={{0x8, 0x1, 'pci\x00'}, {0x11, 0x2, '0000:00:10.0\x00'}}, @pci={{0x8, 0x1, 'pci\x00'}, {0x11, 0x2, '0000:00:10.0\x00'}}, @nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}, @nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}, @pci={{0x8, 0x1, 'pci\x00'}, {0x11, 0x2, '0000:00:10.0\x00'}}, @nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}]}, 0x104}, 0x1, 0x0, 0x0, 0xc800}, 0x1) 02:52:21 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:21 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r2, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:21 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x0, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) [ 688.314459] block nbd5: Device being setup by another task 02:52:22 executing program 4: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r0, &(0x7f000000c2c0)={0x0, 0x0, &(0x7f000000c280)={&(0x7f0000000000)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a20080000000a03000000000000000000030000000900010073797a300000000058000000030a01020000000000000000030000000900010073797a30006ce35f0e000480080002400000a35627cd406ee55f7b961756c4b8eb62000008000140000000020800010100000006080002404acf0ea5080002400c4134aa0900030073797a3200000000140000001100010000000000000000000000000a"], 0xa0}}, 0x4080) 02:52:22 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:22 executing program 1: openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r0 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r0, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r0, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r0, 0xae80, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r1, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:22 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x0, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:22 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) r2 = socket(0x1e, 0x2, 0x0) sendmsg$tipc(r2, &(0x7f0000000040)={&(0x7f00000000c0)=@name={0x1e, 0x2, 0x0, {{0x0, 0x4}}}, 0x10, 0x0}, 0x0) r3 = open(&(0x7f0000000180)='./file0\x00', 0x141040, 0x0) ioctl$FITRIM(r3, 0xc0185879, &(0x7f00000000c0)={0x0, 0x0, 0xfffffffffffff804}) r4 = syz_genetlink_get_family_id$mptcp(&(0x7f0000000080)='mptcp_pm\x00') getsockopt$inet_dccp_buf(r3, 0x21, 0xe, &(0x7f0000000200)=""/91, &(0x7f0000000280)=0x5b) sendmsg$MPTCP_PM_CMD_GET_ADDR(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x2c, r4, 0x100, 0x70bd26, 0x25dfdbfc, {}, [@MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x5}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x8}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x2}]}, 0x2c}}, 0x4400c8c4) sendmsg$MPTCP_PM_CMD_GET_ADDR(r2, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r4, 0x100, 0x70bd29, 0x25dfdbff, {}, [@MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x94}, 0x804) openat$pfkey(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/net/pfkey\x00', 0x20400, 0x0) syz_genetlink_get_family_id$devlink(&(0x7f0000000480)='devlink\x00') 02:52:22 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a1c, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 689.127863] Left network mode [ 689.209722] block nbd5: Device being setup by another task 02:52:22 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a1d, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:22 executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$BLKALIGNOFF(0xffffffffffffffff, 0x127a, &(0x7f0000000280)) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$BLKPG(0xffffffffffffffff, 0x1269, &(0x7f00000000c0)={0x0, 0x0, 0x5, &(0x7f0000000040)="cd17c28950"}) ioctl$KVM_NMI(r2, 0xae9a) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0xaec48fd9b2390542}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vcsa\x00', 0x80e20, 0x0) ioctl$EVIOCGABS2F(r3, 0x8018456f, &(0x7f0000000100)=""/109) getpeername$inet6(0xffffffffffffffff, &(0x7f0000000000)={0xa, 0x0, 0x0, @initdev}, &(0x7f00000001c0)=0x1c) ioctl$KVM_RUN(r2, 0xae80, 0x0) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) r5 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='cgroup.controllers\x00', 0x100002, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r5, 0xc028660f, 0x0) ioctl$SNAPSHOT_ALLOC_SWAP_PAGE(r5, 0x80083314, &(0x7f00000002c0)) write$nbd(r4, &(0x7f0000000240)={0x67446698, 0x0, 0x4, 0x4, 0x4, "1cd3880289c85d4faafad315791ef64da6764364"}, 0x24) 02:52:22 executing program 1: openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r0 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r0, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r0, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r0, 0xae80, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r1, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:22 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) r2 = socket(0x1e, 0x2, 0x0) sendmsg$tipc(r2, &(0x7f0000000040)={&(0x7f00000000c0)=@name={0x1e, 0x2, 0x0, {{0x0, 0x4}}}, 0x10, 0x0}, 0x0) r3 = open(&(0x7f0000000180)='./file0\x00', 0x141040, 0x0) ioctl$FITRIM(r3, 0xc0185879, &(0x7f00000000c0)={0x0, 0x0, 0xfffffffffffff804}) r4 = syz_genetlink_get_family_id$mptcp(&(0x7f0000000080)='mptcp_pm\x00') getsockopt$inet_dccp_buf(r3, 0x21, 0xe, &(0x7f0000000200)=""/91, &(0x7f0000000280)=0x5b) sendmsg$MPTCP_PM_CMD_GET_ADDR(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x2c, r4, 0x100, 0x70bd26, 0x25dfdbfc, {}, [@MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x5}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x8}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x2}]}, 0x2c}}, 0x4400c8c4) sendmsg$MPTCP_PM_CMD_GET_ADDR(r2, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r4, 0x100, 0x70bd29, 0x25dfdbff, {}, [@MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x94}, 0x804) openat$pfkey(0xffffffffffffff9c, &(0x7f0000000100)='/proc/self/net/pfkey\x00', 0x20400, 0x0) 02:52:22 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:22 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x0, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:22 executing program 1: openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r0 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r0, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r0, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r0, 0xae80, 0x0) r1 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r1, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:22 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a1e, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:22 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:23 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) r2 = socket(0x1e, 0x2, 0x0) sendmsg$tipc(r2, &(0x7f0000000040)={&(0x7f00000000c0)=@name={0x1e, 0x2, 0x0, {{0x0, 0x4}}}, 0x10, 0x0}, 0x0) r3 = open(&(0x7f0000000180)='./file0\x00', 0x141040, 0x0) ioctl$FITRIM(r3, 0xc0185879, &(0x7f00000000c0)={0x0, 0x0, 0xfffffffffffff804}) r4 = syz_genetlink_get_family_id$mptcp(&(0x7f0000000080)='mptcp_pm\x00') getsockopt$inet_dccp_buf(r3, 0x21, 0xe, &(0x7f0000000200)=""/91, &(0x7f0000000280)=0x5b) sendmsg$MPTCP_PM_CMD_GET_ADDR(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x2c, r4, 0x100, 0x70bd26, 0x25dfdbfc, {}, [@MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x5}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x8}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x2}]}, 0x2c}}, 0x4400c8c4) sendmsg$MPTCP_PM_CMD_GET_ADDR(r2, &(0x7f00000000c0)={&(0x7f0000000000), 0xc, &(0x7f0000000080)={&(0x7f0000000040)={0x1c, r4, 0x100, 0x70bd29, 0x25dfdbff, {}, [@MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8}]}, 0x1c}, 0x1, 0x0, 0x0, 0x94}, 0x804) 02:52:23 executing program 4: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x1, 0x0, 0x0, 0x0, 0x0, 0x41bd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffc, 0x0, @perf_config_ext, 0x4180, 0x0, 0x0, 0x0, 0x0, 0x0, 0xd7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = syz_open_dev$loop(&(0x7f00000004c0)='/dev/loop#\x00', 0x0, 0x105082) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x40082406, &(0x7f00000002c0)='\x00') r1 = memfd_create(&(0x7f0000000080)='\xfaIhFlK\x99F\x17\x16\xa5>\xd3\xc0\x93\xb5.\xda\x06_bT\x1cB\xdb\xf8y1\xe7,\x03\x98h\x86(\xa0m\x87+x\x14i\x88\xcd\x89\x81\xfb\x86', 0x0) socket$unix(0x1, 0x0, 0x0) socket$netlink(0x10, 0x3, 0x8000000004) pwritev(r1, &(0x7f0000f50f90)=[{&(0x7f0000000000)='\x00', 0x1}], 0x1, 0x4081003, 0x0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = dup2(r2, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ptmx\x00', 0x484400, 0x0) r5 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r5, 0x5423, &(0x7f0000000540)=0xe) ioctl$TIOCSETD(r5, 0x541b, &(0x7f0000000000)) ioctl$TIOCSETD(r5, 0x5423, &(0x7f0000000540)=0x9) setsockopt$SO_VM_SOCKETS_CONNECT_TIMEOUT(r3, 0x28, 0x6, &(0x7f00000000c0), 0x10) ioctl$TIOCSETD(r4, 0x541b, &(0x7f0000000000)) ioctl$TCSETAF(r4, 0x5408, &(0x7f0000000040)={0x1, 0xffff, 0x3e14, 0x0, 0x1, "8103c3432dfcc1c7"}) socket$inet6_tcp(0xa, 0x1, 0x0) fallocate(r0, 0x11, 0x0, 0x100007e00) [ 689.778655] block nbd5: Device being setup by another task 02:52:23 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:23 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:23 executing program 1: r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r1 = ioctl$KVM_CREATE_VCPU(r0, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r1, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r1, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r1, 0xae80, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r2, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:23 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a1f, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:23 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) r2 = socket(0x1e, 0x2, 0x0) sendmsg$tipc(r2, &(0x7f0000000040)={&(0x7f00000000c0)=@name={0x1e, 0x2, 0x0, {{0x0, 0x4}}}, 0x10, 0x0}, 0x0) r3 = open(&(0x7f0000000180)='./file0\x00', 0x141040, 0x0) ioctl$FITRIM(r3, 0xc0185879, &(0x7f00000000c0)={0x0, 0x0, 0xfffffffffffff804}) r4 = syz_genetlink_get_family_id$mptcp(&(0x7f0000000080)='mptcp_pm\x00') getsockopt$inet_dccp_buf(r3, 0x21, 0xe, &(0x7f0000000200)=""/91, &(0x7f0000000280)=0x5b) sendmsg$MPTCP_PM_CMD_GET_ADDR(r3, &(0x7f00000001c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x8}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x2c, r4, 0x100, 0x70bd26, 0x25dfdbfc, {}, [@MPTCP_PM_ATTR_SUBFLOWS={0x8, 0x3, 0x5}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x8}, @MPTCP_PM_ATTR_RCV_ADD_ADDRS={0x8, 0x2, 0x2}]}, 0x2c}}, 0x4400c8c4) [ 690.018285] block nbd5: Device being setup by another task 02:52:23 executing program 1: r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r1 = ioctl$KVM_CREATE_VCPU(r0, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r1, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r1, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r1, 0xae80, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r2, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:23 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(0xffffffffffffffff, 0x406, r0) writev(r2, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:23 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a20, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:23 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) r2 = dup3(r0, r1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$kcm(0x2b, 0x1, 0x0) bpf$MAP_UPDATE_ELEM(0x2, &(0x7f0000000040)={0xffffffffffffffff, 0x0, 0x0, 0x9}, 0x20) close(r3) r4 = socket$kcm(0xa, 0x922000000003, 0x11) setsockopt$inet_sctp_SCTP_SOCKOPT_CONNECTX_OLD(r2, 0x84, 0x6b, &(0x7f00000001c0)=[@in6={0xa, 0x4e24, 0x7fff, @dev={0xfe, 0x80, [], 0x37}, 0x9}, @in6={0xa, 0x4e20, 0x2, @dev={0xfe, 0x80, [], 0x34}, 0x3}, @in6={0xa, 0x4e21, 0x9, @empty, 0x5}, @in6={0xa, 0x4e23, 0x800, @ipv4={[], [], @multicast2}, 0xad9}, @in6={0xa, 0x4e22, 0x9, @loopback, 0x3}, @in6={0xa, 0x4e21, 0x1dc, @private0={0xfc, 0x0, [], 0x1}, 0x8}, @in6={0xa, 0x4e20, 0x6, @dev={0xfe, 0x80, [], 0x1d}, 0x7}, @in6={0xa, 0x4e20, 0x5, @private1, 0xfffffff8}, @in={0x2, 0x4e24, @broadcast}], 0xf0) setsockopt$sock_attach_bpf(r4, 0x29, 0x24, &(0x7f0000000100), 0x14b) sendmsg$kcm(r3, &(0x7f0000000140)={&(0x7f0000000040)=@nl=@unspec={0x0, 0x0, 0x0, 0x80fe}, 0x80, &(0x7f0000000180)=[{&(0x7f0000000640)="f4001100002b2c25fe8000000000000005baa68754ba00e8c1344f3e62d76c27e8000041020000002c80", 0x430}], 0x1}, 0x0) 02:52:23 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) r2 = socket(0x1e, 0x2, 0x0) sendmsg$tipc(r2, &(0x7f0000000040)={&(0x7f00000000c0)=@name={0x1e, 0x2, 0x0, {{0x0, 0x4}}}, 0x10, 0x0}, 0x0) r3 = open(&(0x7f0000000180)='./file0\x00', 0x141040, 0x0) ioctl$FITRIM(r3, 0xc0185879, &(0x7f00000000c0)={0x0, 0x0, 0xfffffffffffff804}) syz_genetlink_get_family_id$mptcp(&(0x7f0000000080)='mptcp_pm\x00') getsockopt$inet_dccp_buf(r3, 0x21, 0xe, &(0x7f0000000200)=""/91, &(0x7f0000000280)=0x5b) 02:52:23 executing program 1: r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r1 = ioctl$KVM_CREATE_VCPU(r0, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r1, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r1, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r1, 0xae80, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r2, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:23 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:23 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(0xffffffffffffffff, 0x406, r0) writev(r2, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:23 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a21, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:23 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = openat$btrfs_control(0xffffffffffffff9c, &(0x7f0000000000)='/dev/btrfs-control\x00', 0x644440, 0x0) setsockopt$inet6_tcp_int(r1, 0x6, 0x13, &(0x7f0000000100)=0x800001, 0x4) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='cgroup.controllers\x00', 0x100002, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r2, 0xc028660f, 0x0) ioctl$SNDCTL_SEQ_CTRLRATE(r2, 0xc0045103, &(0x7f00000000c0)=0x5) connect$inet6(r0, &(0x7f0000000080)={0xa, 0x0, 0x0, @remote, 0x3}, 0x1c) setsockopt$inet6_IPV6_ADDRFORM(r0, 0x29, 0x1, &(0x7f0000000040), 0x4) 02:52:23 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) r2 = socket(0x1e, 0x2, 0x0) sendmsg$tipc(r2, &(0x7f0000000040)={&(0x7f00000000c0)=@name={0x1e, 0x2, 0x0, {{0x0, 0x4}}}, 0x10, 0x0}, 0x0) r3 = open(&(0x7f0000000180)='./file0\x00', 0x141040, 0x0) ioctl$FITRIM(r3, 0xc0185879, &(0x7f00000000c0)={0x0, 0x0, 0xfffffffffffff804}) syz_genetlink_get_family_id$mptcp(&(0x7f0000000080)='mptcp_pm\x00') 02:52:23 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 690.554112] block nbd5: Device being setup by another task 02:52:23 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a22, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:24 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:24 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(0xffffffffffffffff, 0x406, r0) writev(r2, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:24 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) r2 = socket(0x1e, 0x2, 0x0) sendmsg$tipc(r2, &(0x7f0000000040)={&(0x7f00000000c0)=@name={0x1e, 0x2, 0x0, {{0x0, 0x4}}}, 0x10, 0x0}, 0x0) r3 = open(&(0x7f0000000180)='./file0\x00', 0x141040, 0x0) ioctl$FITRIM(r3, 0xc0185879, &(0x7f00000000c0)={0x0, 0x0, 0xfffffffffffff804}) 02:52:24 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:24 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:24 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a23, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:24 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) r2 = socket(0x1e, 0x2, 0x0) sendmsg$tipc(r2, &(0x7f0000000040)={&(0x7f00000000c0)=@name={0x1e, 0x2, 0x0, {{0x0, 0x4}}}, 0x10, 0x0}, 0x0) open(&(0x7f0000000180)='./file0\x00', 0x141040, 0x0) 02:52:24 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r1, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r1, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r1, 0xae80, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r1, 0x406, r0) writev(r2, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 691.047415] block nbd5: Device being setup by another task 02:52:24 executing program 4: mkdir(&(0x7f0000000040)='./file0\x00', 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000100)={0xb, 0x0, 0x80, 0x9, 0x2c, 0x1, 0x5, [], 0x0, 0xffffffffffffffff, 0x2, 0x0, 0x2}, 0x40) bpf$BPF_MAP_LOOKUP_AND_DELETE_ELEM(0x15, &(0x7f0000000300)={r0, &(0x7f0000000340)="881b73d3a7d415ce619f443eadbbfccb8a4dfa37159408fd03a32817019f8e8dcbf04b9c853f4056b4efdb8591fed1fa13fb3fa4dba65801e9e32001f400000000000000d89ce27c343c92e9b7cdfb633d14068d38299fe73c76e406fd0bc698069bc996f4e1c4b04e29d0e938ddd874b27357415e6a296eed798ae614ce42da4d45ce2f8ed65740056c2952da183bda2698991a104ab17636f24be7690134d77093e405ce", &(0x7f0000000280)=""/113, 0x4}, 0x20) mount(0x0, &(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='configfs\x00', 0x0, 0x0) r1 = inotify_init() inotify_add_watch(r1, &(0x7f0000000000)='./file0\x00', 0x82000c94) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff}) r3 = fcntl$dupfd(r2, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) chmod(&(0x7f0000000080)='./file0\x00', 0x0) 02:52:24 executing program 1: openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r1 = ioctl$KVM_CREATE_VCPU(r0, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r1, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r1, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r1, 0xae80, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r2, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:24 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a24, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:24 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) r2 = socket(0x1e, 0x2, 0x0) sendmsg$tipc(r2, &(0x7f0000000040)={&(0x7f00000000c0)=@name={0x1e, 0x2, 0x0, {{0x0, 0x4}}}, 0x10, 0x0}, 0x0) 02:52:24 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x0, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:24 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r1, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r1, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r1, 0xae80, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r1, 0x406, r0) writev(r2, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:25 executing program 1: openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r1 = ioctl$KVM_CREATE_VCPU(r0, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r1, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r1, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r1, 0xae80, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r2, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 691.697730] block nbd5: Device being setup by another task 02:52:25 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) socket(0x1e, 0x2, 0x0) 02:52:25 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a25, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:25 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r1, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r1, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r1, 0xae80, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r1, 0x406, r0) writev(r2, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:25 executing program 4: r0 = socket$inet6(0xa, 0x800, 0x2) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket(0x10, 0x2, 0x0) sendmsg(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000340)=[{&(0x7f0000000000)="240000001a0003041dfffd946f6105000a00000a1f000002006708000800030003000000280000001100ffffba16a0aa1c09000000000000120000000000eff24d8238cfa47e23f7efbf5420", 0x4c}], 0x1}, 0x20000890) ioctl$VIDIOC_QBUF(0xffffffffffffffff, 0xc058560f, &(0x7f0000000100)={0x80000001, 0x4, 0x4, 0x1000, 0x4, {}, {0x2, 0x1, 0xff, 0x6, 0x40, 0x5, "67cdd7eb"}, 0xbb, 0x4, @offset=0x3e, 0x1a7d2c1a}) 02:52:25 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x0, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:25 executing program 1: openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r1 = ioctl$KVM_CREATE_VCPU(r0, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r1, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r1, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r1, 0xae80, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r2, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:25 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:25 executing program 0: r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r1 = ioctl$KVM_CREATE_VCPU(r0, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r1, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r1, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r1, 0xae80, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r1, 0x406, 0xffffffffffffffff) writev(r2, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 692.022444] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. 02:52:25 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a26, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 692.125384] block nbd5: Device being setup by another task 02:52:25 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:25 executing program 0: r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r1 = ioctl$KVM_CREATE_VCPU(r0, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r1, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r1, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r1, 0xae80, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r1, 0x406, 0xffffffffffffffff) writev(r2, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:25 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x0, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:25 executing program 0: r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r1 = ioctl$KVM_CREATE_VCPU(r0, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r1, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r1, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r1, 0xae80, 0x0) r2 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r1, 0x406, 0xffffffffffffffff) writev(r2, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:25 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 692.482967] block nbd5: Device being setup by another task 02:52:25 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 693.002611] netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'. 02:52:26 executing program 4: mkdir(&(0x7f0000000100)='./file0\x00', 0x0) pipe2$9p(&(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) write$P9_RVERSION(r1, &(0x7f0000000480)=ANY=[@ANYBLOB="1500000065ffff018000000800395032303030"], 0x15) write$FUSE_BMAP(0xffffffffffffffff, &(0x7f0000000080)={0x18}, 0x18) write$FUSE_NOTIFY_RETRIEVE(0xffffffffffffffff, &(0x7f00000000c0)={0x14c}, 0x137) mount$9p_fd(0x0, &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='9p\x00', 0x0, &(0x7f0000000600)=ANY=[@ANYBLOB='trans=fd,rfdno=', @ANYRESHEX=r0, @ANYBLOB=',w+eno}', @ANYRESHEX=r1]) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff}) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='cgroup.controllers\x00', 0x100002, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r3, 0xc028660f, 0x0) write$FUSE_NOTIFY_STORE(r3, &(0x7f0000000180)={0x2f, 0x4, 0x0, {0x3, 0x1ff, 0x7, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]}}, 0x2f) ioctl$CHAR_RAW_GETSIZE(0xffffffffffffffff, 0x1260, &(0x7f0000000140)) r4 = dup2(r2, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) lchown(&(0x7f0000000040)='./file0\x00', 0x0, 0x0) r5 = open(&(0x7f000054eff8)='./file0\x00', 0x0, 0x0) creat(&(0x7f00000001c0)='./file0/bus\x00', 0x0) getdents(r5, 0x0, 0x2) 02:52:26 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:26 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:26 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:26 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:26 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a27, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:26 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 693.196056] block nbd5: Device being setup by another task [ 693.211908] 9pnet: Insufficient options for proto=fd 02:52:26 executing program 2: syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) [ 693.320603] 9pnet: Insufficient options for proto=fd 02:52:26 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:26 executing program 4: pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000300)={0x0, 0x0, &(0x7f00000002c0)={&(0x7f0000000180)=ANY=[@ANYBLOB="600000003000004c000100480701800700010078740000380002802a000600260000006e676c65000000cc34e333528ea8b500000000000000473c06000000ffffffef00000000080002974bda0d219a1ab744632fa07e672f48fae58294fe97f6bc78ef5d3a2360631c45ac809c8da538bab400000000000000000000000000d1"], 0x1}}, 0x0) ioctl$CHAR_RAW_HDIO_GETGEO(r1, 0x301, &(0x7f0000000000)) write$binfmt_misc(r1, &(0x7f0000000000)=ANY=[], 0xfffffecc) r2 = socket$netlink(0x10, 0x3, 0x0) r3 = socket$inet6(0xa, 0x80000, 0x3) r4 = openat$pfkey(0xffffffffffffff9c, &(0x7f0000000240)='/proc/self/net/pfkey\x00', 0x18000, 0x0) getsockopt$inet_sctp6_SCTP_AUTO_ASCONF(r4, 0x84, 0x1e, &(0x7f0000000280), &(0x7f0000000340)=0x4) dup(r3) r5 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000040)='/proc/timer_list\x00', 0x0, 0x0) accept(r5, 0x0, &(0x7f00000000c0)) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x800}, 0x0, 0x0, r0, 0x0) splice(r0, 0x0, r2, 0x0, 0x4ffe0, 0xa00f000000000000) 02:52:26 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a28, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:26 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:26 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:26 executing program 2: syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:26 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:26 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a29, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 693.613794] block nbd5: Device being setup by another task 02:52:26 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:26 executing program 2: syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:27 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:27 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a2a, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:27 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 693.993929] block nbd5: Device being setup by another task 02:52:27 executing program 2: r0 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:27 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:27 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a2b, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:27 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, 0x0) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:27 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:27 executing program 4: r0 = socket$key(0xf, 0x3, 0x2) sendmsg$key(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000040)={0x0}}, 0x0) r1 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r2 = dup(r1) setsockopt$CAN_RAW_FD_FRAMES(r2, 0x65, 0x5, &(0x7f0000000080)=0x1, 0x4) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) flock(r0, 0x8) sendmsg$key(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=ANY=[@ANYBLOB="020a000007000000b6f1ffabdeff844105001a"], 0x38}}, 0x0) sendmsg$key(0xffffffffffffffff, &(0x7f00000001c0)={0x40000000, 0x0, &(0x7f0000000040)={&(0x7f0000000280)=ANY=[@ANYBLOB="020100090e"], 0x70}}, 0x0) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='cgroup.controllers\x00', 0x100002, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r3, 0xc028660f, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='cgroup.controllers\x00', 0x100002, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r4, 0xc028660f, 0x0) ioctl$PERF_EVENT_IOC_SET_OUTPUT(r3, 0x2405, r4) sendmmsg(r0, &(0x7f0000000180), 0x3ef, 0x0) [ 694.442822] block nbd5: Device being setup by another task 02:52:27 executing program 2: r0 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:27 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, 0x0) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:27 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a2c, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:27 executing program 4: sendmsg$NFT_BATCH(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f000000c280)={&(0x7f0000000200)=ANY=[@ANYBLOB="140000001000010000000000000000000000000a20000000000a0101000000000000000000000000090001007379977a30000000003c000000090affff00000000000000000000000008000540000000120900020024797a300000000008000a4000000000090001"], 0x84}}, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r0, &(0x7f00000000c0)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r0, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cgroup.controllers\x00', 0xb00000000065808, 0x0) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) openat$rdma_cm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) sendfile(r2, r1, 0x0, 0x100004500) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000340)={0xffffffffffffffff, 0xffffffffffffffff}) r4 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000000)='/dev/dlm-monitor\x00', 0xa002, 0x0) ioctl$sock_ipv6_tunnel_SIOCCHG6RD(r4, 0x89fb, &(0x7f00000001c0)={'syztnl0\x00', &(0x7f0000000140)={'syztnl0\x00', 0x0, 0x2f, 0xc5, 0x3, 0x0, 0x10, @initdev={0xfe, 0x88, [], 0x0, 0x0}, @rand_addr=' \x01\x00', 0x7800, 0x0, 0xfffffe01, 0x59d1}}) r5 = dup(r3) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) ioctl$VIDIOC_S_MODULATOR(r5, 0x40445637, &(0x7f0000000280)={0x6e, "2619a748315802689528418acab9fdfebd116014a03eb78c96b3f09c35415bb6", 0x0, 0x24e, 0xffff, 0x8, 0x5}) 02:52:27 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:27 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:27 executing program 2: r0 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:28 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a2d, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:28 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) [ 694.764118] audit: type=1804 audit(1599533548.021:218): pid=6287 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir431110698/syzkaller.VuPQ5Y/831/cgroup.controllers" dev="sda1" ino=16755 res=1 02:52:28 executing program 2: syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r0 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:28 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, 0x0) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:28 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 694.966207] block nbd5: Device being setup by another task 02:52:28 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a2e, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 695.023332] audit: type=1804 audit(1599533548.281:219): pid=6296 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir431110698/syzkaller.VuPQ5Y/831/cgroup.controllers" dev="sda1" ino=16755 res=1 02:52:28 executing program 2: syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r0 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:28 executing program 4: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r1 = dup(r0) r2 = socket(0x11, 0x800000003, 0x0) bind(r2, &(0x7f0000000080)=@generic={0x11, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) sendmsg$IPSET_CMD_FLUSH(r2, &(0x7f0000000640)={&(0x7f0000000580)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f0000000600)={&(0x7f00000005c0)=ANY=[@ANYBLOB="340000c426f69e8b86f118000014ec6a9c03308412c93164ae73797a30000000002200fdff72797aeed13c91a4f8ea1a06310000"], 0x34}, 0x1, 0x0, 0x0, 0x4000010}, 0x10000) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r3 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000200)='/dev/ppp\x00', 0x80000101005, 0x0) r4 = dup2(r3, r3) sendto$unix(0xffffffffffffffff, &(0x7f0000000340)="1d9b000000007675d706d94e590291c9900d3be5299d0a4d3d1891a1fe3de33fbd06698cc347008d00"/51, 0x33, 0x0, 0x0, 0x0) ioctl$EVIOCGPROP(r4, 0xc004743e, &(0x7f0000000000)=""/246) recvmsg$can_raw(0xffffffffffffffff, &(0x7f0000001ec0)={&(0x7f0000000880)=@can, 0x80, &(0x7f0000000e40)=[{&(0x7f0000000900)}, {&(0x7f0000000940)=""/245, 0xf5}, {&(0x7f0000000a40)=""/109, 0x6d}, {&(0x7f0000000ac0)=""/253, 0xfd}, {&(0x7f0000000bc0)=""/65, 0x41}, {&(0x7f0000000c40)=""/238, 0xee}, {&(0x7f0000000d40)=""/215, 0xd7}], 0x7, &(0x7f0000000ec0)=""/4096, 0x1000}, 0x1) r5 = socket$inet6(0xa, 0x2, 0x0) r6 = fcntl$dupfd(r3, 0x0, r5) ioctl$PPPIOCSMAXCID(r6, 0x40047451, &(0x7f0000000300)) ioctl$PPPIOCSFLAGS1(r3, 0x40047459, &(0x7f0000000140)=0x5c5064) pwritev(r4, &(0x7f00000007c0)=[{&(0x7f0000000680)="002149000000f2f2233300060e0280bc22010000d480863d3e642b0600c4489c459726632f095c91853edd1293b7d505cd84fcd23da5d75fac0653240d", 0x3d}, {&(0x7f00000006c0)="70c6a250ffa76be1f643af1062bbc86dcdefcd1cb445463e1b54f73719b972b0d89b7580f5a7bc52f5a7a1ef85badf852206bfba7093632051b4a60ec0ed2cadffc51459d8277d7f1463ba5c04ac55edfa7367035beede968c7ea692e62353e944be65a9fd60bb7197b6de550225624d2481813c75aee8273eb2b8d2ba78b099a8b39ee6a931fa8c1e0404d0e3e9cc9e13d29e2fdcb97ade4fc42cafc6184ce27fdac503eef5787992a5c54aadc5eae54c4f38a95e6fe94cadcb44f8495f9db1c9b02cdc2b1552b9ce8c87fe28b84b5d0cf60cff06fd87d6fcc5a0b938f31cea0acd1c9821c738336a32cdb83aabb21eee4cdb54", 0xf4}], 0x2, 0x0, 0xffffff7f) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r7 = socket$inet6(0xa, 0x2, 0x0) ioctl$BTRFS_IOC_DEFRAG_RANGE(r3, 0x40309410, &(0x7f0000000800)={0xfa13, 0x6, 0x2, 0xff, 0x0, [0x76, 0x7fffffff, 0x3, 0xb5e]}) setsockopt$IP6T_SO_SET_REPLACE(r7, 0x29, 0x40, &(0x7f0000000000)=@raw={'raw\x00', 0x3c1, 0x3, 0x520, 0x0, 0x130, 0x88020000, 0x34a, 0x130, 0x450, 0x220, 0x220, 0x450, 0x220, 0x3, 0x0, {[{{@uncond=[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4], 0x0, 0x320, 0x340, 0x0, {}, [@common=@unspec=@comment={{0x120, 'comment\x00'}}, @common=@inet=@hashlimit3={{0x158, 'hashlimit\x00'}, {'bond0\x00', {0x800, 0x0, 0x5a, 0x0, 0x0, 0x81, 0x40}}}]}, @unspec=@NOTRACK={0x20, 'NOTRACK\x00'}}, {{@uncond, 0x0, 0xa8, 0x110}, @unspec=@CT1={0x68, 'CT\x00', 0x1, {0x0, 0x0, 0x0, 0x0, 'netbios-ns\x00', 'syz0\x00'}}}], {{[], 0x0, 0xa8, 0xd0}, {0x28}}}}, 0x580) 02:52:28 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(0xffffffffffffffff, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) [ 695.150340] audit: type=1804 audit(1599533548.281:220): pid=6287 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir431110698/syzkaller.VuPQ5Y/831/cgroup.controllers" dev="sda1" ino=16755 res=1 02:52:28 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:28 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a2f, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:28 executing program 2: syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r0 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) [ 695.333615] xt_hashlimit: invalid interval 02:52:28 executing program 4: r0 = socket(0x1e, 0x4, 0x0) ioctl$SG_IO(0xffffffffffffffff, 0x2285, &(0x7f0000000500)={0x53, 0x6, 0xdf, 0x7, @scatter={0x3, 0x0, &(0x7f0000000280)=[{&(0x7f00000000c0)=""/160, 0xa0}, {&(0x7f0000000200)=""/119, 0x77}, {&(0x7f0000000040)=""/31, 0x1f}]}, &(0x7f00000002c0)="3ede1f8c2dd0832647c3b331aea2a257e0447f95497bd222941c748d9160f81a1cf94fc30f3825e4578f882025603efe3ed71307069ebcaf4ea758a56cc636eb57b4f159ce39fb7e87d3f75e0ff448fc4e9e7720772ba7a3d3c5f10c14f262bd92c7dcef5424772c7ee55c66da20d80bc3fac7a5642386aea2e487ee001037c3b6b9462c2a1435244615e6f9507fffd782847c8768e0f3fbe7b34296ee8fd7e3a032dfe185eb441571995750b26cf28a26fdc7453f832561a0b4260861e7d0b46a31b6fb57bc666f529468cfbf2ae100867c14bd74dc0493ef9d3e03236919", &(0x7f00000003c0)=""/233, 0x5, 0x10024, 0x1, &(0x7f00000004c0)}) r1 = socket(0x1e, 0x2, 0x0) r2 = syz_open_dev$vbi(&(0x7f0000000580)='/dev/vbi#\x00', 0x3, 0x2) ioctl$VIDIOC_SUBSCRIBE_EVENT(r2, 0x4020565a, &(0x7f00000005c0)={0x8000000, 0x9, 0x1}) setsockopt$packet_tx_ring(r1, 0x10f, 0x87, &(0x7f0000000080)=@req={0x3fc}, 0x10) setsockopt$packet_tx_ring(r0, 0x10f, 0x87, &(0x7f0000000000)=@req={0x3fc, 0x0, 0x2}, 0x10) sendmmsg(r1, &(0x7f00000007c0)=[{{0x0, 0x0, 0x0}}, {{&(0x7f0000000180)=@tipc=@name={0x1e, 0x2, 0x0, {{0x0, 0x1}}}, 0x80, 0x0}}], 0x2, 0x0) [ 695.359158] block nbd5: Device being setup by another task 02:52:28 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:28 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:28 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:28 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a30, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:28 executing program 4: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000540)=0xe) ioctl$TIOCSETD(r1, 0x541b, &(0x7f0000000000)) ioctl$BTRFS_IOC_QUOTA_RESCAN(r1, 0x4040942c, &(0x7f0000000000)={0x0, 0xa329, [0x1ff, 0x5, 0x7f, 0x9, 0xdd7, 0x8]}) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) bind$inet6(r2, &(0x7f0000000040)={0xa, 0x4e22}, 0x1c) listen(r2, 0x0) sendto$inet6(r0, 0x0, 0x0, 0x20000004, &(0x7f0000000280)={0xa, 0x100000004e22, 0x0, @loopback}, 0x1c) setsockopt$inet6_tcp_TCP_ULP(r0, 0x6, 0x1f, &(0x7f0000000080)='tls\x00', 0x152) setsockopt$inet6_tcp_TLS_TX(r0, 0x11a, 0x1, &(0x7f0000000100)=@gcm_128={{0x303}, '\x00', '\x00', "20040100", "a6722d6b94b63dda"}, 0x28) mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0x0, 0x40031, 0xffffffffffffffff, 0x0) mmap(&(0x7f00000be000/0x3000)=nil, 0x3000, 0x2, 0x100132, 0xffffffffffffffff, 0x0) sendto$inet6(r0, &(0x7f00000005c0), 0xe0ffffff, 0x0, 0x0, 0xd8) 02:52:28 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:28 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(0xffffffffffffffff, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:29 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) [ 695.777530] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 02:52:29 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:29 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a31, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 695.873364] block nbd5: Device being setup by another task 02:52:29 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(0xffffffffffffffff, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:29 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 695.955159] TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. 02:52:29 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, 0x0) 02:52:29 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(0xffffffffffffffff, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:29 executing program 4: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = bpf$MAP_CREATE(0x0, &(0x7f0000fe1000)={0x5, 0x83, 0x80, 0xf}, 0x1c) r1 = bpf$MAP_CREATE(0x0, &(0x7f0000000000)={0x9, 0x1, 0x80, 0x400}, 0x3c) r2 = bpf$MAP_CREATE(0x0, &(0x7f00004f9fe4)={0x9, 0x1, 0x4, 0x100000001}, 0x3c) bpf$PROG_LOAD(0x5, &(0x7f0000fed000)={0x7, 0x9, &(0x7f00000000c0)=ANY=[@ANYBLOB="182300001000100000000000000000", @ANYRES32=r0, @ANYBLOB="000000000000000018100000", @ANYRES32=r1, @ANYBLOB="000000000000000018100000", @ANYRES32=r2, @ANYBLOB="00000000000000009500000000000000"], &(0x7f0000919ff6)='syzkaller\x00', 0x0, 0xe1, &(0x7f0000000000)=""/225, 0x0, 0x0, [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x18]}, 0x14) creat(&(0x7f0000000240)='./bus\x00', 0x0) link(&(0x7f00000001c0)='./bus\x00', &(0x7f0000000340)='./bus\x00') r3 = openat$mice(0xffffffffffffff9c, 0x0, 0x125082) statx(r3, &(0x7f0000000180)='./bus\x00', 0x100, 0x0, &(0x7f0000000380)={0x0, 0x0, 0x0, 0x0, 0x0}) ioprio_set$uid(0x0, r4, 0x2007) ioctl$VIDIOC_SUBDEV_DV_TIMINGS_CAP(0xffffffffffffffff, 0xc0905664, 0x0) 02:52:29 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:29 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:29 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a32, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:29 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, 0x0) [ 696.263914] block nbd5: Device being setup by another task 02:52:29 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, 0x0, &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:29 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a33, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:29 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, 0x0) 02:52:29 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:29 executing program 4: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x3e3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x2000, 0x3, 0x2, 0x5}, 0x0, 0x0, 0xffffffffffffffff, 0x0) socket$l2tp(0x2, 0x2, 0x73) 02:52:29 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, 0x0) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:29 executing program 2 (fault-call:2 fault-nth:0): r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:29 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, 0x0, &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:30 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a34, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:30 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:30 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:30 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='cgroup.controllers\x00', 0x100002, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r0, 0xc028660f, 0x0) ioctl$DRM_IOCTL_MODE_DESTROY_DUMB(r0, 0xc00464b4, &(0x7f0000000080)) r1 = socket$inet_tcp(0x2, 0x1, 0x0) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) ioctl$F2FS_IOC_MOVE_RANGE(0xffffffffffffffff, 0xc020f509, &(0x7f0000000000)={r1, 0x12, 0x8000, 0x1f}) ioctl$KVM_GET_CPUID2(r3, 0xc008ae91, &(0x7f0000000040)=ANY=[@ANYBLOB="0501000000000000"]) syz_emit_vhci(&(0x7f00000002c0)=ANY=[@ANYRESHEX], 0x101) r4 = socket$inet(0x2, 0x1, 0x0) setsockopt$IPT_SO_SET_REPLACE(r4, 0x4000000000000, 0x40, &(0x7f00000008c0)=@raw={'raw\x00', 0x4001, 0x3, 0x2f8, 0x0, 0x0, 0x148, 0x160, 0x148, 0x260, 0x240, 0x240, 0x260, 0x240, 0x3, 0x0, {[{{@ip={@local, @local, 0x0, 0x0, 'ip6gretap0\x00', 'veth0_virt_wifi\x00', {}, {}, 0x11}, 0x0, 0xf8, 0x160, 0x0, {}, [@common=@inet=@hashlimit1={{0x58, 'hashlimit\x00'}, {'macvtap0\x00', {0x0, 0x0, 0x1ff, 0x0, 0x0, 0xec, 0x7}}}, @common=@addrtype={{0x30, 'addrtype\x00'}}]}, @unspec=@CT2={0x68, 'CT\x00', 0x2, {0x0, 0x0, 0x0, 0x0, 'snmp_trap\x00', 'syz1\x00'}}}, {{@uncond, 0x0, 0xc0, 0x100, 0x0, {}, [@common=@icmp={{0x28, 'icmp\x00'}, {0x0, '-!'}}, @inet=@rpfilter={{0x28, 'rpfilter\x00'}}]}, @common=@unspec=@ERROR={0x40, 'ERROR\x00', 0x0, "f02ba40f7c23e1897400999d37e6bc0e749d5a89b6be8dfafae03c29d35c"}}], {{[], 0x0, 0x70, 0x98}, {0x28}}}}, 0x358) 02:52:30 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, 0x0) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 696.880185] block nbd5: Device being setup by another task [ 696.951923] xt_CT: No such timeout policy "syz1" 02:52:30 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x2, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:30 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a35, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:30 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, 0x0, &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:30 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 697.129210] xt_CT: No such timeout policy "syz1" 02:52:30 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x4b47, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:30 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, 0x0) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 697.207339] block nbd5: Device being setup by another task 02:52:30 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a36, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:30 executing program 4: r0 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPSET_CMD_CREATE(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000001c0)=ANY=[@ANYBLOB="580000000206010200000100000000000000000013000300686173683a6e65742c6966616365000005000400000000000900020073797a31000000000c000780080012000000000005000500020000000500010006000000"], 0x58}}, 0x0) 02:52:30 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', 0x0, 0x0, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:30 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x4b49, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:30 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:30 executing program 4: r0 = open(&(0x7f00000001c0)='./bus\x00', 0x141042, 0x0) r1 = creat(&(0x7f0000000040)='./bus\x00', 0x0) fcntl$setstatus(r1, 0x4, 0x46000) socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) lseek(r1, 0x4200, 0x0) r4 = creat(&(0x7f0000000000)='./bus\x00', 0x0) io_setup(0x1ff, &(0x7f00000004c0)=0x0) io_submit(r5, 0x1, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x0, 0x0, 0x1, 0x0, r4, &(0x7f0000000000), 0x10000}]) r6 = open(&(0x7f0000000080)='./bus\x00', 0x0, 0x0) sendfile(r1, r6, 0x0, 0x8400fffffffb) r7 = openat$cachefiles(0xffffffffffffff9c, &(0x7f0000000140)='/dev/cachefiles\x00', 0x80000, 0x0) ioctl$KVM_SET_MP_STATE(r7, 0x4004ae99, &(0x7f0000000180)=0x3) sendfile(r0, r0, 0x0, 0x8080ffffff7e) r8 = syz_open_dev$rtc(&(0x7f0000000100)='/dev/rtc#\x00', 0x2, 0x40e202) ioctl$BTRFS_IOC_BALANCE_V2(r1, 0xc4009420, &(0x7f0000000580)={0x6, 0x5, {0x1f, @usage=0x9fb5, 0x0, 0x9, 0x4, 0x3, 0x44e7da9b, 0x9, 0x0, @usage=0x4, 0x80000001, 0x5, [0xb88f, 0xfffffffffffffff9, 0x1f, 0xffffffffffffffff, 0x80, 0x4]}, {0x299, @usage, 0x0, 0x2, 0x7fff, 0x0, 0x7, 0x3, 0x7, @struct={0x305e, 0x7}, 0x5, 0x1, [0x9, 0x4, 0x2, 0x1, 0x707a1b87, 0xb4b3]}, {0xe0b, @usage=0x2, 0x0, 0x8000, 0x4, 0x1, 0x1ff, 0x7, 0x22, @usage=0x4, 0x7fffffff, 0x2, [0x1000, 0x9, 0x2, 0x3, 0xfffffffffffffff9, 0x7]}, {0xfffffffffffffff9, 0x1a, 0x2}}) ioctl$BTRFS_IOC_SNAP_CREATE_V2(r8, 0x50009417, &(0x7f0000000980)={{r2}, 0x0, 0x10, @unused=[0x120000, 0x8000, 0xffff, 0x800], @devid=r9}) 02:52:30 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:30 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a37, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 697.555001] block nbd5: Device being setup by another task [ 697.567020] audit: type=1804 audit(1599533550.821:221): pid=6566 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir431110698/syzkaller.VuPQ5Y/839/bus" dev="sda1" ino=16223 res=1 02:52:30 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', 0x0, 0x0, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:31 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x541b, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:31 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 697.836141] block nbd5: Device being setup by another task 02:52:31 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a38, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:31 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x5421, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:31 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', 0x0, 0x0, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:31 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:31 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9, 0x0, 0x0, 0x100000]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:31 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a39, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 698.210398] block nbd5: Device being setup by another task [ 698.346702] audit: type=1804 audit(1599533551.601:222): pid=6573 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir431110698/syzkaller.VuPQ5Y/839/bus" dev="sda1" ino=16223 res=1 [ 698.437374] audit: type=1804 audit(1599533551.601:223): pid=6573 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir431110698/syzkaller.VuPQ5Y/839/bus" dev="sda1" ino=16223 res=1 [ 698.464118] audit: type=1804 audit(1599533551.631:224): pid=6578 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir431110698/syzkaller.VuPQ5Y/839/bus" dev="sda1" ino=16223 res=1 02:52:31 executing program 4: pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet_udp(0x2, 0x2, 0x0) close(r2) socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$IPSET_CMD_CREATE(0xffffffffffffffff, &(0x7f0000001080)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)=ANY=[@ANYBLOB="6400000002060102f00000000000000000000000100003006269746d61703a706f72740005000400000000000900020073797a3000000000050005000000000005000100060013001c0007800600044000000000060005400000000008000640"], 0x1}}, 0x0) r3 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000140)='/dev/vcsa\x00', 0x600800, 0x0) ioctl$UI_SET_PROPBIT(r3, 0x4004556e, 0x1f) write$binfmt_misc(r1, &(0x7f0000000000)=ANY=[], 0xfffffecc) splice(r0, 0x0, r2, 0x0, 0x4ffe0, 0x0) 02:52:31 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x5450, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:31 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:31 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x0) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:31 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:31 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a3a, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 698.675793] block nbd5: Device being setup by another task 02:52:32 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x5451, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:32 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:32 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a3b, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:32 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:32 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x0) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:32 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x5452, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) [ 699.088789] block nbd5: Device being setup by another task 02:52:32 executing program 4: pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = socket$inet_udp(0x2, 0x2, 0x0) fcntl$setpipe(r1, 0x407, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0xa}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) bind$inet(r2, &(0x7f0000000080)={0x2, 0x0, @local}, 0x10) connect$inet(r2, &(0x7f0000000040)={0x2, 0x0, @multicast1}, 0x10) splice(r0, 0x0, r2, 0x0, 0x30005, 0x0) setsockopt$inet_opts(r2, 0x0, 0x4, 0x0, 0x0) r3 = socket(0x0, 0x0, 0x0) write(0xffffffffffffffff, 0x0, 0x0) ioctl$EXT4_IOC_GROUP_ADD(r3, 0x40286608, 0x0) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(r0, 0x84, 0x76, &(0x7f00000000c0)={0x0, 0x2}, 0x8) 02:52:32 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:32 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:32 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a3c, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:32 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x5460, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:32 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x0) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) [ 699.538976] block nbd5: Device being setup by another task 02:52:32 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b0f, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:33 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a3d, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:33 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(0xffffffffffffffff, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:33 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:33 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:33 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a3e, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 699.900292] block nbd5: Device being setup by another task 02:52:33 executing program 4: socket$nl_route(0x10, 0x3, 0x0) perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x7e, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x803}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x4000000000008d}, 0x0) r0 = getpid() sched_setattr(r0, &(0x7f0000000040)={0x38, 0x2, 0x10000005, 0x7fffffff, 0x5, 0x0, 0x0, 0x4000000000000000}, 0x0) r1 = socket$inet6(0xa, 0x2, 0x0) recvmmsg(r1, &(0x7f00000008c0)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0, 0x0) pipe(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) fcntl$setpipe(r3, 0x407, 0x0) write(r3, &(0x7f0000000340), 0x41395527) vmsplice(r2, &(0x7f0000000000)=[{&(0x7f0000000500), 0x3528a9c0}], 0x1, 0x0) openat$rfkill(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/rfkill\x00', 0x0, 0x0) sched_setattr(0x0, &(0x7f0000000400)={0x38, 0x1, 0x1, 0x0, 0x3}, 0x0) clone(0x200183, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) openat$ttyS3(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ttyS3\x00', 0x0, 0x0) pselect6(0x40, &(0x7f0000000200), 0x0, &(0x7f0000000300)={0x3ff}, 0x0, 0x0) 02:52:33 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b36, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:33 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(0xffffffffffffffff, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:33 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a3f, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:33 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:33 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:33 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a40, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 700.524642] block nbd5: Device being setup by another task 02:52:33 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:33 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b37, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:33 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:33 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(0xffffffffffffffff, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:34 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a41, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 700.902570] block nbd5: Device being setup by another task 02:52:34 executing program 4: creat(&(0x7f0000000280)='./file0\x00', 0x0) perf_event_open(&(0x7f0000000bc0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket$kcm(0x10, 0x2, 0x10) timer_create(0x0, 0x0, &(0x7f0000000100)) timer_settime(0x0, 0x0, &(0x7f0000000100), 0x0) ioctl$F2FS_IOC_MOVE_RANGE(r0, 0xc020f509, &(0x7f0000000640)={0xffffffffffffffff, 0x9}) sendmsg$kcm(r0, &(0x7f0000000080)={0x0, 0x3200, &(0x7f00000000c0)=[{&(0x7f0000000000)="2e00000022008151e05b80ecdb4cb904044865160b00160002000000740004140e001100024d0000dc2976d153b4", 0x235}], 0x1}, 0x0) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r1 = gettid() prctl$PR_SET_PTRACER(0x59616d61, 0x0) mount(0x0, 0x0, &(0x7f0000000200)='nsfs\x00', 0x0, 0x0) ptrace$setopts(0xffffffffffffffff, r1, 0x0, 0x0) getpgid(r1) wait4(0x0, &(0x7f0000000680), 0x1, &(0x7f00000006c0)) wait4(0x0, 0x0, 0x0, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='cgroup.controllers\x00', 0x100002, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r2, 0xc028660f, 0x0) waitid$P_PIDFD(0x3, r2, &(0x7f0000000140), 0x20000000, &(0x7f00000002c0)) 02:52:34 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8bdf, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:34 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:34 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:34 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, 0xffffffffffffffff, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:34 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a42, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 701.460354] block nbd5: Device being setup by another task 02:52:34 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x40049409, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:34 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a43, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:34 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:34 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, 0xffffffffffffffff, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:35 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:35 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x40086602, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:35 executing program 4: perf_event_open(&(0x7f00000010c0)={0x0, 0x70, 0xff, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = socket(0x10, 0x2, 0x0) write(r0, &(0x7f0000000280)="1c0000001a009b8a140000003b9b301f00"/28, 0x32) recvmmsg(r0, &(0x7f0000002ec0), 0x4000000000000a8, 0xa, &(0x7f00000001c0)={0x77359400}) setsockopt$inet6_tcp_TCP_ULP(0xffffffffffffffff, 0x6, 0x1f, &(0x7f0000000080)='tls\x00', 0x152) 02:52:35 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a44, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 701.802028] block nbd5: Device being setup by another task 02:52:35 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:35 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x40087602, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:35 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:35 executing program 4: perf_event_open(&(0x7f0000000080)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$SOUND_PCM_READ_BITS(0xffffffffffffffff, 0x80045005, &(0x7f0000000040)) ioctl$KVM_SET_BOOT_CPU_ID(0xffffffffffffffff, 0xae78, &(0x7f0000000000)=0x2) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x0) shutdown(r0, 0x0) recvmmsg(r0, &(0x7f0000000080), 0x72a, 0x0, 0x0) 02:52:35 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a45, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:35 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x4020940d, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:35 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, 0xffffffffffffffff, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:35 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:35 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x80086601, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) [ 702.283535] block nbd5: Device being setup by another task 02:52:35 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:35 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a46, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:35 executing program 5 (fault-call:8 fault-nth:0): perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:35 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x80087601, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:35 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a47, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:35 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 702.553908] block nbd5: Device being setup by another task 02:52:36 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0xc0045878, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:36 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:36 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a48, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:36 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:36 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:36 executing program 4: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$inet6(0xa, 0x100000003, 0x53) sendto$inet6(r3, &(0x7f0000000000), 0xfa0f, 0x0, &(0x7f0000000180)={0xa, 0x0, 0x0, @loopback={0x0, 0xac141403}}, 0x1c) r4 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r4, 0x5423, &(0x7f0000000540)=0xe) ioctl$TIOCSETD(r4, 0x541b, &(0x7f0000000000)) r5 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r5, 0x5423, &(0x7f0000000540)=0xe) ioctl$TIOCSETD(r5, 0x541b, &(0x7f0000000000)) r6 = ioctl$TIOCGPTPEER(r2, 0x5441, 0x8000) r7 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ptmx\x00', 0x80001, 0x0) ioctl$TIOCSETD(r7, 0x5423, &(0x7f0000000540)=0xe) ioctl$TIOCSETD(r7, 0x541b, &(0x7f0000000000)) setsockopt$TIPC_SRC_DROPPABLE(r2, 0x10f, 0x80, &(0x7f0000000040), 0x4) r8 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r8, 0x5423, &(0x7f0000000540)=0xe) ioctl$TIOCSETD(r8, 0x541b, &(0x7f0000000000)) poll(&(0x7f0000000000)=[{r4, 0x1180}, {r0, 0x4020}, {r5, 0x7201}, {r0, 0x271}, {r6, 0x420}, {r3, 0x41}, {r7, 0x2600}, {r8, 0x4000}], 0x8, 0x81) [ 703.131207] block nbd5: Device being setup by another task 02:52:36 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a49, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:36 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0xc0045878, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:36 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:36 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:36 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0xc0189436, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:36 executing program 4: r0 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) write$P9_RWALK(r0, &(0x7f0000000100)=ANY=[@ANYRESHEX], 0x12) setsockopt$inet_sctp6_SCTP_AUTH_DELETE_KEY(r0, 0x84, 0x19, &(0x7f00000002c0)={0x0, 0x4}, 0x8) perf_event_open(&(0x7f0000000140)={0x6, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000000), 0x3}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) pipe2(&(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}, 0x84800) mmap$perf(&(0x7f0000007000/0x3000)=nil, 0x3000, 0x0, 0x412, r1, 0x0) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r2, 0x5423, &(0x7f0000000540)=0xe) ioctl$TIOCSETD(r2, 0x541b, &(0x7f0000000000)) ioctl$TIOCGSID(r2, 0x5429, &(0x7f0000000340)) r3 = syz_genetlink_get_family_id$team(&(0x7f0000000080)='team\x00') ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'vlan1\x00', 0x0}) sendmsg$TEAM_CMD_PORT_LIST_GET(r0, &(0x7f0000000280)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x800000}, 0xc, &(0x7f0000000240)={&(0x7f0000000380)=ANY=[@ANYBLOB='`\x00\x00\x00', @ANYRES16=r3, @ANYBLOB="000429bd70fca634445c2d23b1ead26700ff0500000000001008000100", @ANYRES32=r4, @ANYBLOB="4400028040000100240001006c625f74785f686173685f746f5f706f72745f6d617070696e67000000000000050003000300000008000400", @ANYRES32=0x0, @ANYBLOB='\b\x00\a\x00\x00\x00\x00\x00'], 0x60}, 0x1, 0x0, 0x0, 0x40}, 0x20000000) 02:52:36 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:36 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x2) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:36 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a4a, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:36 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0xc020660b, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:36 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:36 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 703.690451] block nbd5: Device being setup by another task 02:52:37 executing program 4: open_by_handle_at(0xffffffffffffff9c, &(0x7f0000000040)={0x9, 0x20000000001, '\v'}, 0x0) r0 = syz_open_procfs(0x0, &(0x7f0000000140)='fd/3\x00') r1 = dup(r0) getdents(r1, &(0x7f0000000180)=""/4096, 0x18) bpf$BPF_PROG_GET_NEXT_ID(0xb, &(0x7f0000000000)={0x8001}, 0x8) 02:52:37 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\x0f\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:37 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x301) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:37 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a4b, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 703.918700] block nbd5: Device being setup by another task 02:52:37 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:37 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\x0f\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:37 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:37 executing program 4: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$batadv(&(0x7f0000000340)='batadv\x00') r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='cgroup.controllers\x00', 0x100002, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r2, 0xc028660f, 0x0) ioctl$USBDEVFS_DISCONNECT_CLAIM(r2, 0x8108551b, &(0x7f0000000380)={0xffff, 0x0, "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"}) r3 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r3, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f00000002c0)=0x14) sendmsg$BATADV_CMD_GET_MCAST_FLAGS(r0, &(0x7f0000000580)={0x0, 0x0, &(0x7f0000000540)={&(0x7f0000000300)={0x1c, r1, 0x301, 0x0, 0x0, {0x9}, [@BATADV_ATTR_MESH_IFINDEX={0x8, 0x3, r4}]}, 0x1c}}, 0x0) 02:52:37 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x125d) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:37 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a4c, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:37 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x01\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:37 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:37 executing program 4: r0 = syz_genetlink_get_family_id$batadv(&(0x7f00000000c0)='batadv\x00') r1 = socket$inet6_tcp(0xa, 0x1, 0x0) getsockopt$inet_sctp_SCTP_LOCAL_AUTH_CHUNKS(0xffffffffffffffff, 0x84, 0x1b, &(0x7f0000000400)=ANY=[@ANYRES32=0x0, @ANYBLOB="4d000000fd545c1f126cc65a94d847000a4af0d628b8250242cda0ba5a8e065481fda25c40a85febd6c664852b3d3636854acc59fb4965c2d3b08c629ab0bf45f97974ad19"], &(0x7f0000000480)=0x55) ioctl$ifreq_SIOCGIFINDEX_batadv_mesh(r1, 0x8933, &(0x7f0000000000)={'batadv0\x00', 0x0}) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = socket(0x1e, 0x2, 0x0) bind(r4, &(0x7f0000d80f80)=@generic={0x1e, "0103000000000000000000000000000009a979f321b30c7bc8790405c7bad62e0a43a632ed4938d36d73fb8f8401a3ff59829a2b0afe7ce43a4b2470a0c5216669ca021f6f65dcf160e7e58f358c0002f0000158d19bcb31f1314a8ef151622ca5bdb9c8ead2000077aeb81c90001d6d7c980ee590c8b9f70dc136cb184a"}, 0x80) bind$tipc(r4, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x0, 0x0, 0x4}}, 0x10) accept$nfc_llcp(r4, &(0x7f0000000340), &(0x7f00000003c0)=0x60) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = socket(0xf, 0x2, 0x4) bind(r6, &(0x7f0000d80f80)=@generic={0x1e, "0103000000000000000000000000000009a979f321b30c7bc8790405c7bad62e0a43a632ed4938d36d73fb8f8401a3ff59829a2b0afe7ce43a4b2470a0c5216669ca021f6f65dcf160e7e58f358c0002f0000158d19bcb31f1314a8ef151622ca5bdb9c8ead2000077aeb81c90001d6d7c980ee590c8b9f70dc136cb184a"}, 0x80) bind$tipc(r6, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x0, 0x0, 0x4}}, 0x10) sendmsg$BATADV_CMD_SET_HARDIF(r6, &(0x7f0000000580)={&(0x7f00000004c0)={0x10, 0x0, 0x0, 0x100}, 0xc, &(0x7f0000000540)={&(0x7f0000000500)={0x34, r0, 0x2, 0x70bd25, 0x25dfdbfb, {}, [@BATADV_ATTR_ISOLATION_MARK={0x8, 0x2b, 0x6}, @BATADV_ATTR_TPMETER_TEST_TIME={0x8, 0xb, 0x5}, @BATADV_ATTR_BONDING_ENABLED={0x5, 0x2d, 0x1}, @BATADV_ATTR_GW_BANDWIDTH_DOWN={0x8, 0x31, 0x31}]}, 0x34}, 0x1, 0x0, 0x0, 0x40040}, 0x0) r7 = dup(r5) pwrite64(r7, &(0x7f0000000200)="cf1438fe01ed7958891677230ad11317679ce2edabbd117910e53dad6c2097cff28a3204796dd000145d8e0383d82ac0e40ec1b6cef62d4f133ec8e0844ed34bb2b27e4845cf42e239e2ede347160b7583cbf798476294c6c4b25922b5aea531f2e6a7cf424feb64e578271d233deea2dba74ae7fb1cd06a83e6a728b5aeae79deecd5c9f41c41e9dd17137ffb35dbd24d2f852ba1d514fbaf5f52e2761988a888cd4d32f6ba572b966433cc44e6e36a6d932136105d9c4475741f6c374a89a154ca3f80", 0xc4, 0x3d9) getpeername$packet(r7, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000040)=0x14) r9 = socket$bt_cmtp(0x1f, 0x3, 0x5) getsockopt$SO_COOKIE(r9, 0x1, 0x39, &(0x7f0000000180), &(0x7f0000000300)=0x8) sendmsg$BATADV_CMD_GET_GATEWAYS(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000080)={0x24, r0, 0x711, 0x0, 0x0, {0x8}, [@BATADV_ATTR_MESH_IFINDEX={0x8, 0x3, r2}, @BATADV_ATTR_HARD_IFINDEX={0x8, 0x6, r8}]}, 0x24}}, 0x40c0) 02:52:37 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a4d, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 704.400214] block nbd5: Device being setup by another task 02:52:37 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\xff\xff\xff\x8d\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:37 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:37 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:37 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x125e) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:37 executing program 4: perf_event_open(0x0, 0x0, 0x3, 0xffffffffffffffff, 0x0) getsockopt$inet_sctp6_SCTP_RECVRCVINFO(0xffffffffffffffff, 0x84, 0x20, &(0x7f0000000080), &(0x7f00000000c0)=0x4) socket(0x200000000000011, 0x0, 0x0) perf_event_open(&(0x7f0000000200)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41bd, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, @perf_config_ext={0xb69c, 0x9}, 0x0, 0x0, 0x80, 0x0, 0xfffffffffffff801}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = creat(&(0x7f0000000100)='./bus\x00', 0x0) r1 = creat(&(0x7f00000001c0)='./bus\x00', 0x3e) r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f0000000280)='/dev/dlm-control\x00', 0x8002, 0x0) perf_event_open$cgroup(&(0x7f0000000140)={0x5, 0x70, 0xff, 0x3, 0x20, 0x20, 0x0, 0x8, 0x1, 0xa, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x2, 0x0, @perf_config_ext={0x1, 0x40}, 0x880, 0x100000001, 0x6, 0x0, 0x0, 0x101, 0x80}, r2, 0x1, 0xffffffffffffffff, 0x4) r3 = creat(&(0x7f0000000000)='./bus\x00', 0x0) ioctl$FS_IOC_SETFLAGS(r3, 0x40086602, &(0x7f0000000040)) mlock(&(0x7f0000ffd000/0x3000)=nil, 0x3000) lseek(r1, 0x7ffffc, 0x0) socket$vsock_stream(0x28, 0x1, 0x0) write$binfmt_elf64(r1, &(0x7f00000002c0)=ANY=[], 0x1a0) fallocate(r0, 0x100000003, 0x0, 0x80019c) 02:52:37 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a4e, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:38 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\xff\xff\xfd\xfd\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:38 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:38 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:38 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x125f) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:38 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\xfd\xfd\xff\xff\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:38 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a4f, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:38 executing program 4: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x200000c, 0x10032, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000040)) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000000000)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) getsockopt$inet_sctp6_SCTP_DELAYED_SACK(r1, 0x84, 0x70, &(0x7f0000013ff4)=@assoc_value, &(0x7f0000002000)=0x8) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = dup2(r2, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) setsockopt$inet6_IPV6_RTHDRDSTOPTS(r1, 0x29, 0x33, &(0x7f00000001c0), 0x8) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) r5 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='cgroup.controllers\x00', 0x100002, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r5, 0xc028660f, 0x0) ioctl$SOUND_MIXER_READ_VOLUME(r5, 0x80044d07, &(0x7f0000000080)) r6 = socket$inet6_sctp(0xa, 0x5, 0x84) signalfd(r6, &(0x7f00000000c0)={[0x7]}, 0x8) r7 = dup2(r4, r1) dup3(r7, r0, 0x0) 02:52:38 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:38 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 705.048521] block nbd5: Device being setup by another task 02:52:38 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x8d\xff\xff\xff\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:38 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a50, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:38 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x1260) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:38 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a51, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:38 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:38 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\b\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:38 executing program 4: bpf$PROG_LOAD(0x5, &(0x7f0000000140)={0x1, 0xe, &(0x7f0000000680)=ANY=[@ANYBLOB="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"], &(0x7f0000000280)='GPL\x00'}, 0x48) getsockopt$inet_tcp_TCP_ZEROCOPY_RECEIVE(0xffffffffffffffff, 0x6, 0x23, &(0x7f0000000040)={&(0x7f0000fff000/0x1000)=nil, 0x1000}, &(0x7f0000000080)=0x10) utimes(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)={{}, {0x0, 0x2710}}) 02:52:38 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 705.443202] block nbd5: Device being setup by another task 02:52:38 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\b\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:38 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a52, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:38 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:38 executing program 4: r0 = socket$nl_xfrm(0x10, 0x3, 0x6) sendmsg$nl_xfrm(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000bfff0)={&(0x7f00000000c0)=ANY=[@ANYBLOB="b8000000190001000000000000000000fc010000000000000000ff070000000000000000000000000000ffffe000000200000000000000000200000000000000", @ANYRES32=0x0, @ANYRES32=0x0, @ANYBLOB='\x00'/112], 0xb8}}, 0x0) 02:52:38 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x1261) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:39 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, 0x0) getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:39 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a53, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:39 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f%\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:39 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:39 executing program 4: fanotify_init(0x20, 0x1000) bpf$OBJ_GET_PROG(0x7, &(0x7f00000003c0)={0x0}, 0x10) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x7, 0x0, 0x5}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$uhid(0xffffffffffffff9c, &(0x7f0000000640)='/dev/uhid\x00', 0x802, 0x0) write$UHID_CREATE2(r0, &(0x7f0000000440)=ANY=[@ANYBLOB="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"], 0x12e) r1 = creat(&(0x7f0000000180)='./bus\x00', 0x0) dup2(r1, r0) syz_genetlink_get_family_id$nl80211(&(0x7f0000000100)='nl80211\x00') r2 = open(&(0x7f0000000300)='.\x00', 0x0, 0x0) symlinkat(&(0x7f0000000040)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0xffffffffffffffff, &(0x7f00000000c0)='./file0\x00') ioctl$SNDRV_SEQ_IOCTL_SET_QUEUE_TIMER(0xffffffffffffffff, 0x40605346, &(0x7f00000001c0)={0x0, 0x0, {0x0, 0x1, 0x1, 0x3, 0x3}, 0x800}) mkdirat(r2, &(0x7f0000000400)='\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00', 0xb0) openat$misdntimer(0xffffffffffffff9c, 0x0, 0x0, 0x0) getresuid(&(0x7f0000000000), 0x0, 0x0) [ 705.846054] block nbd5: Device being setup by another task 02:52:39 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a54, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:39 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x01\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:39 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x1262) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:39 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:39 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, 0x0) getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 706.127586] hid-generic 0000:0000:0000.0003: ignoring exceeding usage max [ 706.171593] hid-generic 0000:0000:0000.0003: hidraw0: HID v0.00 Device [syz1] on %z5 02:52:39 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a55, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:39 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\xff\xff\xff\x8d\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) [ 706.278331] block nbd5: Device being setup by another task 02:52:39 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 706.332214] hid-generic 0000:0000:0000.0004: ignoring exceeding usage max 02:52:39 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a56, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 706.398459] hid-generic 0000:0000:0000.0004: hidraw0: HID v0.00 Device [syz1] on %z5 02:52:39 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\xff\xff\xfd\xfd\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:39 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, 0x0) getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:39 executing program 4: r0 = creat(&(0x7f0000000140)='./bus\x00', 0x0) fcntl$setstatus(r0, 0x4, 0x46802) io_setup(0x100000000000c333, &(0x7f0000000180)=0x0) r2 = open(&(0x7f0000000080)='./bus\x00', 0x0, 0x0) mmap(&(0x7f0000000000/0x600000)=nil, 0x600000, 0xb, 0x12, r2, 0x0) ftruncate(r0, 0x48280) r3 = open(&(0x7f00000004c0)='./bus\x00', 0x2, 0x0) fcntl$setflags(0xffffffffffffffff, 0x2, 0x0) write$P9_RATTACH(r3, &(0x7f0000000000)={0x14}, 0x14) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) io_submit(r1, 0x45, &(0x7f0000000540)=[&(0x7f00000000c0)={0x0, 0x400000000000, 0x0, 0x1, 0x0, r0, &(0x7f0000000000), 0x377140be6b5ef4c7}]) r4 = creat(&(0x7f00000001c0)='./file0\x00', 0x0) write$P9_RREMOVE(r4, &(0x7f0000000280)={0xfffffffffffffcd2}, 0xff7f) r5 = open(&(0x7f000000fffa)='./bus\x00', 0x141042, 0x0) fdatasync(r4) fchmod(0xffffffffffffffff, 0x0) ioctl$F2FS_IOC_GET_FEATURES(0xffffffffffffffff, 0x8004f50c, &(0x7f0000000100)) ioctl$SNDRV_CTL_IOCTL_ELEM_READ(0xffffffffffffffff, 0xc4c85512, &(0x7f0000000580)={{0x0, 0x0, 0x0, 0x0, '\x00', 0x322}, 0x0, [0x5, 0x89, 0x0, 0x0, 0x4, 0x120000, 0x5, 0x233a, 0x5, 0xffffffffffffff71, 0x0, 0x10000, 0x7fff, 0x0, 0x0, 0x9, 0xaf03, 0x2, 0x0, 0xc, 0x0, 0x8000, 0x8001, 0x0, 0x5, 0x201ffffffe, 0x7, 0x0, 0x5, 0x4, 0xeee, 0x0, 0x3, 0x6, 0x7f, 0x3, 0x0, 0xd, 0xfffffffffffffff8, 0x29e4, 0x400, 0x0, 0x5, 0xfffffffffffff47d, 0x2d1b, 0x0, 0x7fff, 0x0, 0x2, 0x0, 0x0, 0xff, 0x20, 0x0, 0x1, 0x5, 0x2, 0x8, 0x55c, 0x0, 0x0, 0x1, 0x80, 0x7, 0x80, 0x0, 0x6, 0xfffffffffffff801, 0x0, 0x4000000000000008, 0x0, 0x0, 0x0, 0x7, 0x80000001, 0x0, 0x7, 0x0, 0x0, 0x10001, 0x4fdf, 0x5, 0x0, 0x0, 0x3d, 0x6629, 0x6, 0xfffffffffffffffe, 0xff, 0x0, 0x3, 0x100000000, 0x80, 0x0, 0x5, 0x31, 0x10000, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0x0, 0x7fffffff, 0x9, 0x0, 0x7, 0x0, 0x12b, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffbd, 0x100, 0x28, 0x0, 0x0, 0x0, 0xffffffffffffff80, 0x0, 0x5, 0x3, 0x0, 0x0, 0x100000000]}) ioctl$EXT4_IOC_MOVE_EXT(r5, 0xc028660f, &(0x7f0000000200)={0x100007, r4, 0x9}) fcntl$getownex(0xffffffffffffffff, 0x10, &(0x7f0000000040)) 02:52:39 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:39 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x1263) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:39 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a57, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:40 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\xfd\xfd\xff\xff\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) [ 706.766519] block nbd5: Device being setup by another task [ 706.812206] audit: type=1804 audit(1599533560.071:225): pid=7361 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.4" name="/root/syzkaller-testdir431110698/syzkaller.VuPQ5Y/856/bus" dev="sda1" ino=16255 res=1 02:52:40 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, 0x0) fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:40 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(0xffffffffffffffff, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 706.932559] audit: type=1804 audit(1599533560.101:226): pid=7361 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir431110698/syzkaller.VuPQ5Y/856/bus" dev="sda1" ino=16255 res=1 02:52:40 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a58, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:40 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x1264) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:40 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x8d\xff\xff\xff\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) [ 707.110624] audit: type=1804 audit(1599533560.161:227): pid=7354 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir431110698/syzkaller.VuPQ5Y/856/bus" dev="sda1" ino=16255 res=1 [ 707.170447] block nbd5: Device being setup by another task 02:52:40 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, 0x0) fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:40 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a59, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:40 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(0xffffffffffffffff, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:40 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x01\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) [ 707.331186] audit: type=1804 audit(1599533560.171:228): pid=7354 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir431110698/syzkaller.VuPQ5Y/856/bus" dev="sda1" ino=16255 res=1 [ 707.350550] block nbd5: Device being setup by another task 02:52:40 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='cpuacct.usage_percpu_sys\x00', 0x7a05, 0x1700) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={0x0, 0x3c}}, 0x0) r2 = openat$zero(0xffffffffffffff9c, &(0x7f0000000180)='/dev/zero\x00', 0x103680, 0x0) r3 = socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nl80211(&(0x7f0000000e80)='nl80211\x00') sendmsg$NL80211_CMD_GET_INTERFACE(r3, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000000)={0x14, r4, 0x1, 0x0, 0x0, {0x2}}, 0x14}}, 0x0) sendmsg$NL80211_CMD_START_SCHED_SCAN(r2, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x400}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x20, r4, 0x400, 0x70bd2d, 0x25dfdbfd, {}, [@NL80211_ATTR_MAC={0xa, 0x6, @dev={[], 0x3e}}]}, 0x20}}, 0x88001) sendmsg$kcm(0xffffffffffffffff, &(0x7f0000000000)={&(0x7f0000000100)=@nl=@unspec={0x871f000000000000, 0x2a77, 0xfc90009}, 0x25a, &(0x7f0000000040)=[{&(0x7f0000000280), 0xff8f}], 0x1, &(0x7f0000001280)}, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r0, 0x4030582a, &(0x7f0000000040)) write$cgroup_type(r1, &(0x7f0000000000)='threaded\x00', 0x248800) ioctl$SG_SET_COMMAND_Q(r1, 0x2271, &(0x7f0000000300)=0x1) 02:52:40 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x1265) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) [ 707.448626] audit: type=1804 audit(1599533560.331:229): pid=7354 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=ToMToU comm="syz-executor.4" name="/root/syzkaller-testdir431110698/syzkaller.VuPQ5Y/856/bus" dev="sda1" ino=16255 res=1 02:52:40 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, 0x0) fcntl$dupfd(r2, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:40 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a5a, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:40 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\xff\xff\xff\x8d\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) [ 707.598846] block nbd5: Device being setup by another task [ 707.611072] audit: type=1800 audit(1599533560.331:230): pid=7354 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed comm="syz-executor.4" name="bus" dev="sda1" ino=16255 res=0 02:52:40 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x1267) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:40 executing program 4: prlimit64(0x0, 0xe, &(0x7f0000000280)={0xb, 0x7f}, 0x0) r0 = openat$procfs(0xffffffffffffff9c, &(0x7f0000000240)='/proc/slabinfo\x00', 0x0, 0x0) ioctl$sock_rose_SIOCDELRT(r0, 0x890c, &(0x7f00000002c0)={@remote={0xcc, 0xcc, 0xcc, 0xcc, 0x2}, 0x9, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x2}, @netrom={'nr', 0x0}, 0x4, [@bcast, @default, @bcast, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0xcc, 0x2}, @null, @null, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @default]}) r1 = getpid() sched_setattr(r1, &(0x7f0000000040)={0x38, 0x2, 0x0, 0x0, 0x9}, 0x0) pipe(&(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) write(r2, &(0x7f0000000340), 0x41395527) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='cgroup.controllers\x00', 0x100002, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r3, 0xc028660f, 0x0) ioctl$SG_GET_NUM_WAITING(r3, 0x227d, &(0x7f0000000000)) r4 = socket$inet_udplite(0x2, 0x2, 0x88) r5 = dup(r4) ioctl$PERF_EVENT_IOC_ENABLE(r5, 0x8912, 0x400200) r6 = creat(&(0x7f0000000080)='./bus\x00', 0x80) syz_genetlink_get_family_id$smc(&(0x7f00000000c0)='SMC_PNETID\x00') write$cgroup_type(r6, &(0x7f0000000200)='threaded\x00', 0x175d900f) 02:52:40 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(0xffffffffffffffff, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:41 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\xff\xff\xfd\xfd\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:41 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a5b, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 707.798418] block nbd5: Device being setup by another task 02:52:41 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(0xffffffffffffffff, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:41 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\xfd\xfd\xff\xff\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:41 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x1268) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:41 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, 0x0, 0x0) 02:52:41 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(0xffffffffffffffff, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:41 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x8d\xff\xff\xff\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:41 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a5c, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 708.353763] block nbd5: Device being setup by another task 02:52:41 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x01\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:41 executing program 4: perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r1, &(0x7f0000000000)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000080)=@newlink={0x30, 0x10, 0x801, 0x0, 0x0, {}, [@IFLA_MASTER={0x8, 0x4, r2}, @IFLA_GROUP={0x8}]}, 0x30}}, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, 0x0}, 0x0) sendmsg$NL80211_CMD_START_SCHED_SCAN(0xffffffffffffffff, &(0x7f0000000300)={&(0x7f0000000100), 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x28, 0x0, 0x0, 0x70bd25, 0x25dfdbfd, {}, [@NL80211_ATTR_MEASUREMENT_DURATION={0x6}, @NL80211_ATTR_WIPHY={0x8, 0x1, 0x3}, @NL80211_ATTR_SCHED_SCAN_MULTI={0x4}]}, 0x28}}, 0x40040) vmsplice(0xffffffffffffffff, &(0x7f0000000040)=[{&(0x7f0000000640)="8a", 0x1}], 0x1, 0x0) getsockopt$inet_IP_IPSEC_POLICY(r1, 0x0, 0x10, &(0x7f00000003c0)={{{@in=@remote, @in6=@private0}}, {{@in6=@private1}, 0x0, @in=@loopback}}, &(0x7f0000000240)=0xe4) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='cgroup.controllers\x00', 0x100002, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r3, 0xc028660f, 0x0) ioctl$UI_SET_FFBIT(r3, 0x4004556b, 0x33) socket(0x10, 0x0, 0x0) 02:52:41 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, 0x0, 0x0) 02:52:41 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a5d, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:41 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x1269) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:41 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(0xffffffffffffffff, 0x406, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:42 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\xff\xff\xff\x8d\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) [ 708.786418] block nbd5: Device being setup by another task 02:52:42 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a5e, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:42 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, r0) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:42 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x1274) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:42 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\xff\xff\xfd\xfd\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:42 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, 0x0, 0x0) 02:52:42 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a5f, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 709.104043] block nbd5: Device being setup by another task 02:52:43 executing program 4: r0 = socket$inet_udplite(0x2, 0x2, 0x88) r1 = dup(r0) ioctl$EXT4_IOC_GROUP_ADD(r0, 0x40286608, &(0x7f0000000180)={0x8, 0x7a7, 0x8, 0x3f, 0x84d2, 0x4}) r2 = open(&(0x7f0000000080)='./file0\x00', 0x40c5, 0x8) r3 = open$dir(&(0x7f00000000c0)='./file0\x00', 0x0, 0x0) write$9p(r2, &(0x7f0000001400)="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", 0x600) sendmsg$L2TP_CMD_TUNNEL_MODIFY(r2, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x400000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x14, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe}, 0x14}, 0x1, 0x0, 0x0, 0x40800}, 0x18) r4 = open$dir(&(0x7f0000000380)='./file0\x00', 0x0, 0x0) sendfile(r2, r4, 0x0, 0x10000) r5 = socket$l2tp6(0xa, 0x2, 0x73) r6 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r6, 0x5423, &(0x7f0000000540)=0xe) ioctl$TIOCSETD(r6, 0x541b, &(0x7f0000000000)) arch_prctl$ARCH_SET_CPUID(0x1012, 0x0) dup3(r5, r6, 0x80000) sendfile(r2, r3, 0x0, 0x10000) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) 02:52:43 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x1276) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:43 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\xfd\xfd\xff\xff\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:43 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:43 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a60, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:43 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140), 0x0) [ 709.926239] block nbd5: Device being setup by another task 02:52:43 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a61, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:43 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x8d\xff\xff\xff\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:43 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(0xffffffffffffffff, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:43 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140), 0x0) 02:52:43 executing program 4: r0 = inotify_init() r1 = signalfd(r0, &(0x7f00000000c0)={[0x3f0]}, 0x8) inotify_add_watch(r1, &(0x7f0000000000)='.\x00', 0x10000da) ioctl$KVM_DIRTY_TLB(0xffffffffffffffff, 0x4010aeaa, &(0x7f0000000080)={0x8, 0x7fff}) r2 = memfd_create(&(0x7f0000000100)='\vem1\xc1\xf8\xa6\xea\x8dN\xc0\xa3w\xe2\xcb\xa2\xba\xe5\xf4\x97\xac#*\xff\x1d\a+\x1e\xb8\xe8\x86@V\xce\xa9\xb1\xc03\x1e,`\x02\xae\xba\xebg\x17\x92\xad\b\x16\xb6.i\xab\xf1\xa5\xef\x8ar\xb4>\xc5/\xdcX\xcb@\xd7\x00\x00\t\x1f\v\x16\xa1n\xe1KF\x91\xffR\xca\xcb\xaf\x91\xd2\xa6\xee\xf6\xebD\xd0\xef\xd7\x8f\xdc\xc3\xdd!\xec\x15\x16`\xb4\xd7\xf3\xce&\xa5\xffu h&\x80\x1a\xba\x82\x05d\xa3f\xf6>9\x1a&\b\xfb\xff\xe6\x12^\xbb\x83U\xa5M\xaf\x82\xea \xf6t\xf0\x02:#\x8b\xa8\x81\xaa\xbfe\x13\x19<\xe4\x04\xea\xb6\xe7\xa3\xca\x98\xc3;\xc8\xf3', 0x6) write$FUSE_NOTIFY_STORE(r2, &(0x7f0000000080)=ANY=[], 0x291) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='cgroup.controllers\x00', 0x100002, 0x0) openat$qat_adf_ctl(0xffffffffffffff9c, &(0x7f0000000300)='/dev/qat_adf_ctl\x00', 0x100, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r3, 0xc028660f, 0x0) syz_kvm_setup_cpu$x86(r1, r3, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000280)=[@textreal={0x8, &(0x7f0000000200)="0fc7a8de810f01c8e7e62e0fc7680d66b9800000c00f326635002000000f30db01f30f30360fc75d800f20d86635200000000f22d80f20c06635100000000f22c0", 0x41}], 0x1, 0x6, &(0x7f00000002c0)=[@cstype3={0x5, 0x2b}, @dstype0={0x6, 0x1}], 0x2) mmap(&(0x7f0000000000/0x7000)=nil, 0x7000, 0x80000000004, 0x80010, r2, 0x2000) open(&(0x7f0000000040)='./bus\x00', 0x151042, 0x0) 02:52:43 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x1277) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:43 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x01l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:43 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a62, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:43 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(0xffffffffffffffff, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:43 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\xff\xff\xff\x8dl\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) [ 710.498866] block nbd5: Device being setup by another task 02:52:43 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140), 0x0) 02:52:43 executing program 4: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) sendmsg$IPVS_CMD_SET_DEST(r0, &(0x7f0000000140)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x100000}, 0xc, &(0x7f0000000100)={&(0x7f0000000040)={0x94, 0x0, 0x100, 0x70ad26, 0x5, {}, [@IPVS_CMD_ATTR_DAEMON={0xc, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e21}]}, @IPVS_CMD_ATTR_DEST={0x24, 0x2, 0x0, 0x1, [@IPVS_DEST_ATTR_U_THRESH={0x8, 0x5, 0x7fffffff}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x65}, @IPVS_DEST_ATTR_PERSIST_CONNS={0x8, 0x9, 0x5}, @IPVS_DEST_ATTR_FWD_METHOD={0x8}]}, @IPVS_CMD_ATTR_DAEMON={0x34, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x5b}, @IPVS_DAEMON_ATTR_STATE={0x8}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @local}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0xf}, @IPVS_DAEMON_ATTR_MCAST_GROUP={0x8, 0x5, @local}, @IPVS_DAEMON_ATTR_SYNC_ID={0x8, 0x3, 0x1}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP={0x8}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x2040d2e5}, @IPVS_CMD_ATTR_SERVICE={0xc, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_SCHED_NAME={0x7, 0x6, 'dh\x00'}]}]}, 0x94}, 0x1, 0x0, 0x0, 0x4000}, 0x4010) setsockopt$IPT_SO_SET_REPLACE(r0, 0x4000000000000, 0x40, 0x0, 0x0) r1 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000180)='/sys/kernel/debug/binder/stats\x00', 0x0, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$tipc(&(0x7f00000000c0)='TIPC\x00') sendmsg$TIPC_CMD_SET_NODE_ADDR(r2, &(0x7f0000000380)={0x0, 0x32, &(0x7f0000000340)={&(0x7f0000000280)={0x24, r3, 0xc15, 0x0, 0x0, {{}, {0x6}, {0x8, 0x11, 0x7f}}}, 0x24}, 0x1, 0x3a000000}, 0x0) sendmsg$TIPC_CMD_GET_MAX_PORTS(r1, &(0x7f0000000280)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x2000}, 0xc, &(0x7f0000000240)={&(0x7f0000000200)={0x1c, r3, 0x200, 0x70bd2b, 0x25dfdbfb, {}, ["", "", "", "", "", "", "", ""]}, 0x1c}, 0x1, 0x0, 0x0, 0x4040800}, 0x800) 02:52:43 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\xff\xff\xfd\xfdl\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:43 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(0xffffffffffffffff, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:44 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a63, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:44 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x1278) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) [ 710.753462] Started in network mode [ 710.772152] Own node identity 7f, cluster identity 4711 [ 710.810343] 32-bit node address hash set to 7f 02:52:44 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a64, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:44 executing program 4: r0 = socket$inet6(0xa, 0x2, 0x0) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @loopback}, 0x1c) socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000640)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) getsockopt$inet6_buf(r2, 0x29, 0x2e, &(0x7f0000000100)=""/183, &(0x7f00000001c0)=0xb7) setsockopt$inet6_MRT6_ADD_MFC(r0, 0x29, 0xcc, &(0x7f0000000000)={{0xa, 0x4e32, 0x101, @ipv4={[], [], @loopback}, 0x9}, {0xa, 0x4e24, 0x7, @rand_addr=' \x01\x00', 0x4}, 0xfffb, [0x2, 0x2, 0x6, 0x4, 0x4, 0x7a, 0x0, 0x4]}, 0x5c) openat$vcsu(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vcsu\x00', 0x0, 0x0) 02:52:44 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, 0x0, 0x0) 02:52:44 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\xfd\xfd\xff\xffl\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) [ 710.972929] block nbd5: Device being setup by another task 02:52:44 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{0x0}], 0x1) 02:52:44 executing program 4: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f00000003c0)='./bus\x00', 0x0) mkdir(&(0x7f0000000040)='./file0\x00', 0x0) mkdir(&(0x7f0000000280)='./bus/file0\x00', 0x0) mount$overlay(0x400002, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f0000000480)=ANY=[@ANYBLOB='upp\x00\x00\x00\x00r=./fil1,lowerdir=./bus,workdir=./fis_export=on,index=on']) lsetxattr$security_capability(&(0x7f0000000140)='./bus/file0\x00', &(0x7f0000000180)='security.capability\x00', 0x0, 0x0, 0x0) mount$overlay(0x0, &(0x7f0000000000)='./bus\x00', 0x0, 0x20a8862, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) rmdir(&(0x7f0000000080)='./bus/file0\x00') r0 = socket(0x1e, 0x2, 0x0) bind(r0, &(0x7f0000d80f80)=@generic={0x1e, "0103000000000000000000000000000009a979f321b30c7bc8790405c7bad62e0a43a632ed4938d36d73fb8f8401a3ff59829a2b0afe7ce43a4b2470a0c5216669ca021f6f65dcf160e7e58f358c0002f0000158d19bcb31f1314a8ef151622ca5bdb9c8ead2000077aeb81c90001d6d7c980ee590c8b9f70dc136cb184a"}, 0x80) bind$tipc(r0, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x0, 0x0, 0x4}}, 0x10) sendmsg$IPVS_CMD_GET_DEST(r0, &(0x7f0000000340)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f0000000200)={&(0x7f00000002c0)={0x7c, 0x0, 0x8, 0x70bd2a, 0x25dfdbff, {}, [@IPVS_CMD_ATTR_DAEMON={0x54, 0x3, 0x0, 0x1, [@IPVS_DAEMON_ATTR_MCAST_GROUP6={0x14, 0x6, @mcast2}, @IPVS_DAEMON_ATTR_MCAST_IFN={0x14, 0x2, 'vlan1\x00'}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e21}, @IPVS_DAEMON_ATTR_MCAST_TTL={0x5, 0x8, 0x5}, @IPVS_DAEMON_ATTR_STATE={0x8, 0x1, 0x1}, @IPVS_DAEMON_ATTR_MCAST_PORT={0x6, 0x7, 0x4e22}, @IPVS_DAEMON_ATTR_SYNC_MAXLEN={0x6, 0x4, 0x800}]}, @IPVS_CMD_ATTR_TIMEOUT_TCP_FIN={0x8, 0x5, 0x9d}, @IPVS_CMD_ATTR_SERVICE={0xc, 0x1, 0x0, 0x1, [@IPVS_SVC_ATTR_TIMEOUT={0x8, 0x8, 0xfff}]}]}, 0x7c}, 0x1, 0x0, 0x0, 0x4040800}, 0x880) 02:52:44 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x1279) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:44 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a65, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:44 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x8d\xff\xff\xffl\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:44 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, 0x0, 0x0) 02:52:44 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a66, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 711.424399] overlayfs: unrecognized mount option "upp" or missing value [ 711.448685] block nbd5: Device being setup by another task [ 711.514909] overlayfs: unrecognized mount option "upp" or missing value 02:52:44 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{0x0}], 0x1) 02:52:44 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x02#\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:44 executing program 4: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) timer_create(0x0, &(0x7f0000000300)={0x0, 0x12, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000080)) ioctl$SNDRV_PCM_IOCTL_STATUS64(0xffffffffffffffff, 0x80984120, &(0x7f00000000c0)) timer_settime(0x0, 0x0, &(0x7f0000000340)={{0x0, 0x989680}, {0x0, 0x9}}, 0x0) timer_create(0x0, &(0x7f0000000000)={0x0, 0x14, 0x0, @thr={0x0, 0x0}}, &(0x7f0000000200)=0x0) timer_settime(r0, 0x0, &(0x7f0000000180)={{0x0, 0x1c9c380}, {0x0, 0x1c9c380}}, 0x0) r1 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$IP_VS_SO_SET_ADD(0xffffffffffffffff, 0x0, 0x482, &(0x7f00000001c0)={0x33, @initdev={0xac, 0x1e, 0x0, 0x0}, 0x4e21, 0x4, 'sh\x00', 0x0, 0x8, 0x4b}, 0x2c) listen(r1, 0x0) accept4(r1, 0x0, 0x0, 0x0) ioctl$SNDCTL_SEQ_GETTIME(0xffffffffffffffff, 0x80045113, &(0x7f0000000040)) 02:52:45 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x127a) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:45 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a67, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:45 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, 0x0, 0x0) 02:52:45 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a68, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:45 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x02#\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) [ 711.944517] block nbd5: Device being setup by another task 02:52:45 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{0x0}], 0x1) 02:52:45 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00#\x02\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:45 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a69, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:45 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140), 0x0) 02:52:45 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x127b) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:45 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x01\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) [ 712.277425] block nbd5: Device being setup by another task 02:52:45 executing program 4: sendmsg$NLBL_MGMT_C_REMOVE(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000140)={0x54, 0x0, 0x0, 0x0, 0x0, {}, [@NLBL_MGMT_A_FAMILY={0x6}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_CLPDOI={0x8}, @NLBL_MGMT_A_CV4DOI={0x8}, @NLBL_MGMT_A_IPV6ADDR={0x14, 0x5, @remote}, @NLBL_MGMT_A_DOMAIN={0xb, 0x1, 'R\x00\x00ECT\x00'}]}, 0x54}}, 0x0) timerfd_create(0x0, 0x0) pipe(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000140)=ANY=[@ANYBLOB="d400000019001905000000000000000002200000ff0200000008000100ac14140018009400111a8200040090f7c10f4b31901b77481e35fd008a0008000000"], 0x1}}, 0x0) write$binfmt_misc(r1, &(0x7f0000000140)=ANY=[], 0x4240a2a0) r2 = socket$nl_route(0x10, 0x3, 0x0) splice(r0, 0x0, r2, 0x0, 0xfff, 0x0) 02:52:45 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)}], 0x1) 02:52:45 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140), 0x0) 02:52:45 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a6a, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:45 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x127c) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:45 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\xff\xff\xff\x8d\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:46 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\xff\xff\xfd\xfd\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) [ 712.747130] block nbd5: Device being setup by another task 02:52:46 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a6b, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:46 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140), 0x0) 02:52:46 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\xfd\xfd\xff\xff\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:46 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x127d) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:46 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)}], 0x1) [ 713.090148] block nbd5: Device being setup by another task 02:52:46 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x8d\xff\xff\xff\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:46 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a6c, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:46 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{0x0}], 0x1) 02:52:46 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)}], 0x1) 02:52:46 executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000180)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = getpid() sched_setscheduler(r2, 0x5, &(0x7f0000000380)) sendmsg$L2TP_CMD_SESSION_MODIFY(0xffffffffffffffff, 0x0, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2) ioctl$KVM_SET_LAPIC(r3, 0x4400ae8f, &(0x7f0000000580)={"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"}) ioctl$KVM_SET_MP_STATE(r3, 0x4004ae99, &(0x7f0000000040)=0x3) ioctl$BTRFS_IOC_DEFRAG(r0, 0x50009402, 0x0) ioctl$KVM_ENABLE_CAP(r1, 0x4068aea3, &(0x7f0000000480)={0x79, 0x0, [0x4a25, 0x9, 0x8, 0x1]}) ioctl$KVM_SET_CPUID(r3, 0xae80, 0x0) r4 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r5 = dup(r4) connect$rose(r5, &(0x7f0000000080)=@short={0xb, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0x2}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, 0x1, @default}, 0x1c) ioctl$VHOST_SET_VRING_KICK(r5, 0x4008af20, 0x0) 02:52:46 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x127e) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) [ 713.748234] block nbd5: Device being setup by another task 02:52:47 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x01s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:47 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a6d, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:47 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{0x0}], 0x1) 02:52:47 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x127f) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:47 executing program 1 (fault-call:7 fault-nth:0): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 713.885205] block nbd5: Device being setup by another task 02:52:47 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\xff\xff\xff\x8ds\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:47 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a6e, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 714.077781] block nbd5: Device being setup by another task 02:52:47 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\xff\xff\xfd\xfds\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:47 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{0x0}], 0x1) 02:52:47 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 714.257922] block nbd5: Device being setup by another task 02:52:47 executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000180)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = getpid() sched_setscheduler(r2, 0x5, &(0x7f0000000380)) sendmsg$L2TP_CMD_SESSION_MODIFY(0xffffffffffffffff, 0x0, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2) ioctl$KVM_SET_LAPIC(r3, 0x4400ae8f, &(0x7f0000000580)={"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"}) ioctl$KVM_SET_MP_STATE(r3, 0x4004ae99, &(0x7f0000000040)=0x3) ioctl$BTRFS_IOC_DEFRAG(r0, 0x50009402, 0x0) ioctl$KVM_ENABLE_CAP(r1, 0x4068aea3, &(0x7f0000000480)={0x79, 0x0, [0x4a25, 0x9, 0x8, 0x1]}) ioctl$KVM_SET_CPUID(r3, 0xae80, 0x0) r4 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r5 = dup(r4) connect$rose(r5, &(0x7f0000000080)=@short={0xb, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0x2}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, 0x1, @default}, 0x1c) ioctl$VHOST_SET_VRING_KICK(r5, 0x4008af20, 0x0) 02:52:47 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a6f, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:47 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x4b47) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:47 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\xfd\xfd\xff\xffs\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:47 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)}], 0x1) 02:52:47 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) r3 = openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000280)='cpuset.memory_pressure\x00', 0x0, 0x0) accept4$inet6(r3, &(0x7f00000002c0)={0xa, 0x0, 0x0, @local}, &(0x7f0000000300)=0x1c, 0x800) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) r4 = signalfd(r1, &(0x7f0000000000)={[0x1]}, 0x8) ioctl$TCSETX(r4, 0x5433, &(0x7f0000000040)={0x40, 0x2361, [0x36, 0x7ff, 0x8, 0x0, 0x6], 0x4}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r5 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() setsockopt$inet6_IPV6_HOPOPTS(r5, 0x29, 0x36, &(0x7f0000000340)={0x1, 0x12, [], [@generic={0xff, 0x93, "a398b2ccebfd3a01234c67a9e38cbb461ab6de1b28da48afb6abb35f35d5b15a80289f5e377e23aacf7faed6e6388a5ea7caf8a1abfdbfe26f5c36b567788ad5ca64256092a96b2ffc850d7af1cf8d57692a2b4c988500c1739ab701684f2984835ab799e6f0f6a326ff4e34c26622b0ee9acbc5f70b93acc645ebd72db8b475f6f901953edadf0b1c15456c80963e53a013b5"}]}, 0xa0) ioctl$VIDIOC_DBG_G_REGISTER(r5, 0xc0385650, &(0x7f00000000c0)={{0x0, @name="7d4b18a7a56e9889c30df0c617911330404e73b85c1d340ca6d4c0fbacd6651d"}, 0x8, 0x8, 0x3}) writev(r5, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 714.773467] block nbd5: Device being setup by another task 02:52:48 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x8d\xff\xff\xffs\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:48 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a70, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:48 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) r3 = fcntl$dupfd(r2, 0x406, r0) ioctl$USBDEVFS_CLAIM_PORT(r3, 0x80045518, &(0x7f0000000040)=0x4) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9, 0x0, 0x0, 0x4]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x9, 0x16d1}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r4 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() r5 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='cgroup.controllers\x00', 0x100002, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r5, 0xc028660f, 0x0) ioctl$KVM_PPC_GET_PVINFO(r5, 0x4080aea1, &(0x7f0000000340)=""/176) write$P9_RAUTH(r4, &(0x7f0000000000)={0x14, 0x67, 0x1, {0x80, 0x2, 0x7}}, 0x14) writev(r4, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000280)={[0x100000001, 0x3, 0x1, 0x1, 0x5d, 0x4f, 0x7, 0x1000, 0x6, 0x8, 0x7, 0x3, 0x8, 0x101, 0x3, 0x603], 0x1000, 0x3}) 02:52:48 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x4b49) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:48 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)}], 0x1) 02:52:48 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a71, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 715.096890] block nbd5: Device being setup by another task 02:52:48 executing program 4: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000180)}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = getpid() sched_setscheduler(r2, 0x5, &(0x7f0000000380)) sendmsg$L2TP_CMD_SESSION_MODIFY(0xffffffffffffffff, 0x0, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2) ioctl$KVM_SET_LAPIC(r3, 0x4400ae8f, &(0x7f0000000580)={"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"}) ioctl$KVM_SET_MP_STATE(r3, 0x4004ae99, &(0x7f0000000040)=0x3) ioctl$BTRFS_IOC_DEFRAG(r0, 0x50009402, 0x0) ioctl$KVM_ENABLE_CAP(r1, 0x4068aea3, &(0x7f0000000480)={0x79, 0x0, [0x4a25, 0x9, 0x8, 0x1]}) ioctl$KVM_SET_CPUID(r3, 0xae80, 0x0) r4 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r5 = dup(r4) connect$rose(r5, &(0x7f0000000080)=@short={0xb, @remote={0xcc, 0xcc, 0xcc, 0xcc, 0x2}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, 0x1, @default}, 0x1c) ioctl$VHOST_SET_VRING_KICK(r5, 0x4008af20, 0x0) 02:52:48 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x0f\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:48 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x208941, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(0xffffffffffffffff, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4cc, 0x0, 0x2, 0x0, 0x100000000]}) r2 = syz_open_dev$sndmidi(&(0x7f0000000000)='/dev/snd/midiC#D#\x00', 0xb703, 0x0) ioctl$SNDRV_RAWMIDI_IOCTL_DROP(r2, 0x40045730, &(0x7f0000000040)=0x80) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='cgroup.controllers\x00', 0x100002, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r3, 0xc028660f, 0x0) getdents64(r3, &(0x7f0000000400)=""/85, 0x55) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) r4 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') sendmsg$RDMA_NLDEV_CMD_GET(r4, &(0x7f0000000300)={&(0x7f0000000180)={0x10, 0x0, 0x0, 0x10}, 0xc, &(0x7f00000002c0)={&(0x7f0000000280)={0x40, 0x1401, 0x1, 0x70bd2c, 0x25dfdbfb, "", [@RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x1}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8, 0x1, 0x2}, @RDMA_NLDEV_ATTR_DEV_INDEX={0x8}]}, 0x40}, 0x1, 0x0, 0x0, 0x4008804}, 0x1) getuid() setsockopt$sock_linger(r4, 0x1, 0xd, &(0x7f0000000100)={0x0, 0x335}, 0x8) r5 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='cgroup.controllers\x00', 0x100002, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r5, 0xc028660f, 0x0) ioctl$FBIOPUT_VSCREENINFO(r5, 0x4601, &(0x7f0000000340)={0xf60, 0x30, 0x1998, 0x3330e8ce71d8b76a, 0x2, 0x1ff, 0x2, 0x0, {0x7ff, 0x7, 0x1}, {0x7f, 0x10000}, {0x40, 0x80}, {0xe07, 0x708, 0x1}, 0x0, 0x80, 0x8fcb, 0x3, 0x0, 0x8001, 0x1f, 0x10000, 0x1, 0xa40, 0x0, 0x7, 0x23, 0x200, 0x1}) writev(r4, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:48 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)}], 0x1) 02:52:48 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x541b) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:48 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x40000, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 715.464978] block nbd5: Device being setup by another task 02:52:48 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) ioctl$sock_bt_cmtp_CMTPGETCONNINFO(0xffffffffffffffff, 0x800443d3, &(0x7f0000000000)={@fixed={[], 0x12}, 0x2, 0x800, 0xdd4a}) 02:52:48 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:48 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x1fffff, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:48 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x5421) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:48 executing program 0 (fault-call:7 fault-nth:0): r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:49 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$SG_GET_SCSI_ID(r1, 0x2276, &(0x7f0000000000)) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) [ 715.788191] block nbd5: Device being setup by another task 02:52:49 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) r1 = fcntl$getown(r0, 0x9) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x603, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, r1, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:52:49 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x200000, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:49 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x1, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x7ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80000000, 0x0, 0xfffffffffffffffd], 0x10000}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) sendmsg$IPVS_CMD_GET_DEST(0xffffffffffffffff, &(0x7f0000000380)={&(0x7f00000000c0)={0x10, 0x0, 0x0, 0x80000000}, 0xc, &(0x7f0000000100)={&(0x7f0000000240)=ANY=[@ANYBLOB, @ANYRES16=0x0, @ANYBLOB="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"], 0x11c}, 0x1, 0x0, 0x0, 0x80}, 0x40000) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='cgroup.controllers\x00', 0x100002, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r3, 0xc028660f, 0x0) ioctl$SNDRV_PCM_IOCTL_XRUN(r3, 0x4148, 0x0) getuid() socketpair$tipc(0x1e, 0x5, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$IOCTL_GET_NUM_DEVICES(0xffffffffffffffff, 0x40046104, &(0x7f0000000080)) writev(r4, &(0x7f0000000140)=[{&(0x7f0000000040)="212c80a12e539eefd68db46d91e4f28e91b8ff914f1291438d1281f2757e4884329f957ef8c8f9d82c7f78eacf0d207cc15e2ff997dea1", 0x37}], 0x1) 02:52:49 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x5450) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:49 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:49 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) connect$vsock_stream(0xffffffffffffffff, &(0x7f0000000000)={0x28, 0x0, 0x2711, @my=0x1}, 0x10) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wl\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\x88\x00\x00\x00\x00\x00\x00\x00<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\x808~8\x06C\'\x8e\xb5\xeap\xb6\x89\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02C\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\x1c\xf9`\x83\xd3\x00\x00\x00\x00\x00\x00\x00') [ 716.387645] block nbd5: Device being setup by another task 02:52:49 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x9a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:49 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = socket(0x1e, 0x2, 0x0) sendmsg$tipc(r3, &(0x7f0000000040)={&(0x7f00000000c0)=@name={0x1e, 0x2, 0x0, {{0x0, 0x4}}}, 0x10, 0x0}, 0x0) r4 = syz_genetlink_get_family_id$devlink(&(0x7f0000000040)='devlink\x00') sendmsg$DEVLINK_CMD_SB_GET(r3, &(0x7f0000000280)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x4af819ac37876aeb}, 0xc, &(0x7f0000000180)={&(0x7f00000000c0)={0x60, r4, 0x800, 0x70bd2a, 0x25dfdbfd, {}, [{@pci={{0x8, 0x1, 'pci\x00'}, {0x11, 0x2, '0000:00:10.0\x00'}}, {0x8, 0xb, 0x8001}}, {@nsim={{0xe, 0x1, 'netdevsim\x00'}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0xfffffffc}}]}, 0x60}, 0x1, 0x0, 0x0, 0x40000}, 0x40) r5 = perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$VIDIOC_G_FREQUENCY(r5, 0xc02c5638, &(0x7f00000002c0)={0x60a, 0x0, 0xffffffff}) r6 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') r7 = syz_genetlink_get_family_id$ipvs(&(0x7f0000000340)='IPVS\x00') sendmsg$IPVS_CMD_DEL_DEST(r3, &(0x7f0000000500)={&(0x7f0000000300)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f00000004c0)={&(0x7f0000000380)=ANY=[@ANYBLOB="08010000", @ANYRES16=r7, @ANYBLOB="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"], 0x108}, 0x1, 0x0, 0x0, 0x4}, 0x4000000) getuid() writev(r6, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:50 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0x2, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:50 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x5451) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:50 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) ioctl$DRM_IOCTL_PRIME_HANDLE_TO_FD(0xffffffffffffffff, 0xc00c642d, &(0x7f0000000000)={0x0, 0x0, 0xffffffffffffffff}) r2 = socket$bt_bnep(0x1f, 0x3, 0x4) r3 = dup(r2) ioctl$TIOCSETD(0xffffffffffffffff, 0x541b, &(0x7f0000000000)) r4 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r4, 0x5423, &(0x7f0000000540)=0xe) ioctl$TIOCSETD(r4, 0x541b, &(0x7f0000000000)) ioctl$sock_SIOCGPGRP(r3, 0x8904, &(0x7f0000000180)=0x0) newfstatat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0\x00', &(0x7f0000000480)={0x0, 0x0, 0x0, 0x0, 0x0}, 0x0) r7 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0xa, &(0x7f0000000500)={0x6, &(0x7f0000000200)=[{0x6, 0x4, 0x1, 0x132}, {0xc336, 0xb1, 0x5, 0x1}, {0xcb8, 0xff, 0xee, 0x6}, {0x5, 0x7, 0x4, 0xffffffd6}, {0x4, 0x6, 0xf9, 0x100}, {0x3f, 0x81, 0x83, 0xffffff7f}]}) r8 = openat$nvram(0xffffffffffffff9c, &(0x7f0000000540)='/dev/nvram\x00', 0x400080, 0x0) r9 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r9, 0x5423, &(0x7f0000000540)=0xe) ioctl$TIOCSETD(r9, 0x541b, &(0x7f0000000000)) r10 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r10, 0x5423, &(0x7f0000000540)=0xe) ioctl$TIOCSETD(r10, 0x541b, &(0x7f0000000000)) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000680)=[{&(0x7f0000000080)=@file={0x1, './file0\x00'}, 0x6e, &(0x7f0000000100), 0x0, &(0x7f0000000580)=[@cred={{0x1c, 0x1, 0x2, {0x0, 0x0, 0xffffffffffffffff}}}, @rights={{0x24, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r0, 0xffffffffffffffff]}}, @rights={{0x2c, 0x1, 0x1, [r0, r2, 0xffffffffffffffff, 0xffffffffffffffff, r1, 0xffffffffffffffff, r0]}}, @rights={{0x18, 0x1, 0x1, [0xffffffffffffffff, r4]}}, @cred={{0x1c, 0x1, 0x2, {r5, r6, 0xffffffffffffffff}}}, @rights={{0x14, 0x1, 0x1, [r7]}}, @rights={{0x18, 0x1, 0x1, [r8, r9]}}, @rights={{0x14, 0x1, 0x1, [r10]}}], 0xf8, 0x800}], 0x1, 0x40) ioctl$PERF_EVENT_IOC_SET_FILTER(r3, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:50 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) r1 = fcntl$getown(r0, 0x9) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x603, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, r1, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:52:50 executing program 2: syz_mount_image$reiserfs(&(0x7f0000000040)='reiserfs\x00', &(0x7f0000000080)='./file0\x00', 0x1, 0x2, &(0x7f0000000200)=[{&(0x7f00000000c0)="b5e8b4bb3c6d3959420976cc023a67b2e65f4a02ab7b07fa6510d49531176cbb536e4e48bcf6593ecd9aec31fe6aaa17d386bd6891b41864976ebc85a1df07708d0278f8bbf099ed42adefebeb67aaa5f4bc40ef70d3c4b8905a7be6057e4015bf840a7a984f60594890d8a18ddbda05df99fbfe5e648f0732f5197484fd5f581991b10bea4eaa90622345006f63041d70c786f36d86bc5530e377fcd7304e24f20f34a18f7a0f7dbb449b9ff07f8e09913754630f0f02c826a5886e961ab50c27e807d779f9f5bc1c340c286d0923e309e46360adcc6a22d9da", 0xda, 0x45b198f4}, {&(0x7f00000001c0)="dc3e8d723b2b8e64a67e092a683dcbc77c05f6c2205c88ce2ee45ccebebda4840fd09300787f9be5c10b", 0x2a, 0xe4e7}], 0x5, &(0x7f0000000480)={[{@usrquota='usrquota'}, {@jqfmt_vfsold='jqfmt=vfsold'}, {@nouser_xattr='nouser_xattr'}, {@balloc_border='block-allocator=border'}, {@usrjquota='usrjquota'}, {@nolargeio='nolargeio'}], [{@dont_hash='dont_hash'}, {@permit_directio='permit_directio'}, {@dont_hash='dont_hash'}]}) r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) bind$tipc(0xffffffffffffffff, &(0x7f0000000000)=@name={0x1e, 0x2, 0x1, {{0x41, 0x1}, 0x4}}, 0x10) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) [ 716.907839] block nbd5: Device being setup by another task 02:52:50 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0x4b47, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:50 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0xf0ffff, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:50 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x5452) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:50 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x1000000, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:50 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0x4b49, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 717.368203] REISERFS warning (device loop2): super-6504 reiserfs_getopt: the option "usrjquota" requires an argument [ 717.368203] [ 717.474221] block nbd5: Device being setup by another task [ 717.512370] REISERFS warning (device loop2): super-6504 reiserfs_getopt: the option "usrjquota" requires an argument [ 717.512370] 02:52:50 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) r1 = fcntl$getown(r0, 0x9) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x603, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, r1, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:52:50 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') r4 = socket(0x1e, 0x2, 0x0) sendmsg$tipc(r4, &(0x7f0000000040)={&(0x7f00000000c0)=@name={0x1e, 0x2, 0x0, {{0x0, 0x4}}}, 0x10, 0x0}, 0x0) setsockopt$XDP_UMEM_FILL_RING(r4, 0x11b, 0x5, &(0x7f0000000000)=0x4000, 0x4) getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:50 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x5460) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:50 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0x541b, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:50 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x19a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:50 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) r2 = bpf$ITER_CREATE(0x21, &(0x7f0000000000)={r1}, 0x8) ioctl$PERF_EVENT_IOC_SET_FILTER(r2, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) r3 = msgget$private(0x0, 0x40) msgrcv(r3, &(0x7f0000000040)={0x0, ""/154}, 0xa2, 0x3, 0x800) [ 717.835774] block nbd5: Device being setup by another task 02:52:51 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x2000000, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:51 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) r2 = syz_open_dev$evdev(&(0x7f0000000040)='/dev/input/event#\x00', 0x81, 0x0) ioctl$EVIOCGMASK(r2, 0x80104592, &(0x7f0000000100)={0x4, 0x66, &(0x7f0000000080)="e60cb540fda169b30b6b8ee05576e6b5f419b48727157730088ce61527ba536dcd02cd676b19b2c25077626df8e93f42d8dfa23810b7f46c35bafbfbbe39bcf3439952b58d19e7a51c665dfd5da97cf1c07ce97a1cb44c473fd26c71a5f175d33bc3c64a6d32"}) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) openat$null(0xffffffffffffff9c, &(0x7f0000000140)='/dev/null\x00', 0x2, 0x0) 02:52:51 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) r1 = fcntl$getown(r0, 0x9) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x603, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, r1, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:52:51 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab00) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:51 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0x5421, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:51 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) sendmsg$L2TP_CMD_TUNNEL_GET(r1, &(0x7f0000000100)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x10000000}, 0xc, &(0x7f00000000c0)={&(0x7f0000000040)={0x48, 0x0, 0x200, 0x70bd25, 0x25dfdbfe, {}, [@L2TP_ATTR_UDP_ZERO_CSUM6_RX={0x5, 0x22, 0x1}, @L2TP_ATTR_UDP_CSUM={0x5}, @L2TP_ATTR_IP_SADDR={0x8, 0x18, @empty}, @L2TP_ATTR_LNS_MODE={0x5, 0x14, 0x2}, @L2TP_ATTR_MTU={0x6, 0x1c, 0xffff}, @L2TP_ATTR_COOKIE={0xc}]}, 0x48}, 0x1, 0x0, 0x0, 0x20008095}, 0x11) 02:52:51 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x29a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 718.144964] block nbd5: Device being setup by another task 02:52:52 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) getxattr(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)=@random={'osx.', ')]\\]\x00'}, &(0x7f00000005c0)=""/177, 0xb1) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='cgroup.controllers\x00', 0x100002, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r4, 0xc028660f, 0x0) ioctl$SNDRV_PCM_IOCTL_HW_PARAMS(r4, 0xc2604111, &(0x7f0000000340)={0x1, [[0xfffffc01, 0x1f, 0x4, 0x8, 0x9, 0x80000001, 0x6, 0xf6c5], [0x7, 0xffffffff, 0xffffff01, 0x8ed, 0x1, 0x3, 0x9, 0x101], [0x4baa, 0x10000, 0x593, 0x0, 0x5, 0x400, 0x1, 0x1]], [], [{0x7f, 0x8001, 0x0, 0x0, 0x0, 0x1}, {0x100, 0x1, 0x1, 0x0, 0x1, 0x1}, {0x4, 0x4, 0x0, 0x1, 0x0, 0x1}, {0x4, 0x0, 0x0, 0x0, 0x0, 0x1}, {0x5, 0x6, 0x0, 0x1}, {0xa262, 0xff, 0x1, 0x1}, {0x1, 0x5, 0x1, 0x1, 0x1}, {0x1, 0x2, 0x0, 0x0, 0x1, 0x1}, {0x644, 0x401, 0x0, 0x1, 0x1, 0x1}, {0x3f, 0xd3a3, 0x1, 0x0, 0x0, 0x1}, {0x3, 0x8, 0x0, 0x0, 0x1, 0x1}, {0x80000000, 0x3, 0x1, 0x0, 0x0, 0x1}], [], 0x7}) r5 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='cgroup.controllers\x00', 0x100002, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r5, 0xc028660f, 0x0) ioctl$KVM_SET_REGS(r5, 0x4090ae82, &(0x7f0000000280)={[0x9, 0x0, 0x7, 0x8, 0x7, 0x5, 0x51, 0xbb, 0x1d44, 0xfff, 0x7, 0x4, 0xfffffffffffffffd, 0x4, 0x2, 0x3], 0x4000}) getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:52 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab01) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:52 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) ioctl$PIO_UNISCRNMAP(0xffffffffffffffff, 0x4b6a, &(0x7f0000000000)="a52a9e9d0fbbe3a6e8f3212b13eacf0f36164d624460c8a3520b0d6b7f112619b8fdd434c280df9db021a990f31f04d48dec6842c57e10275770532ac382b2a642b099ca362c89") ioctl$DRM_IOCTL_ADD_BUFS(0xffffffffffffffff, 0xc0206416, &(0x7f0000000080)={0x1f, 0x3, 0x20, 0x3, 0x10, 0x4}) r1 = dup(r0) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r2, 0x6, 0x13, &(0x7f00000000c0)=0x100000001, 0x4) setsockopt$inet6_tcp_int(r2, 0x6, 0x19, &(0x7f00000003c0)=0x6, 0x4) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r2, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x2e1) connect$inet6(r2, &(0x7f0000000180)={0xa, 0x0, 0x0, @ipv4={[], [], @dev={0xac, 0x14, 0x14, 0x21}}}, 0x1c) clock_gettime(0x0, &(0x7f0000000240)={0x0, 0x0}) setsockopt$sock_timeval(r2, 0x1, 0x15, &(0x7f0000000080)={0x0, r3/1000+30000}, 0x10) sendto$inet6(r2, &(0x7f0000000400)="fa01711425a6b42ddc5c46757f6b420f356f4f008ce309074327bfdd3558461fe59a8fd6186e0a11a693ed5f54b054e87042b72df1ce9aa8d1c176bea1239e42ab4119d8ebba7d7572e655238e8156a75410f44a7665b186275f2182aeae9570569bea3a5a5e22475ef4d24a9fa031de380e0d1a5ddf665a39fa4317200e1cf4457dd6a9c3a948a4d159e7c13db66c42327db092a6924604db4343b6386fd648d7e27be1cfc4ebcd71ff34048236cd59a7d4401307f3277e5ed875001a30134ed752a5b811689ab9c8060db2b73c61fa347bbe6b13411aac0c51618cd32e543960310be51c882ddd5577b9a06c", 0xe3f270009808bfb, 0x2000400d, 0x0, 0xfffffffffffffff2) ioctl$sock_SIOCGIFVLAN_GET_VLAN_EGRESS_PRIORITY_CMD(r2, 0x8982, &(0x7f00000000c0)) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:52 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0x5450, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:52 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) fcntl$getown(r0, 0x9) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:52:52 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x3000000, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 719.115732] block nbd5: Device being setup by another task 02:52:52 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x39a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:52 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:52:52 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0x5451, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:52 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab02) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:52 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x4000000, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:52 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x7, 0x0, 0x0, 0x0, 0x0, 0x1, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') write(0xffffffffffffffff, &(0x7f0000000600)="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", 0xe00) sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x11f18) r4 = openat$vsock(0xffffffffffffff9c, &(0x7f0000000140)='/dev/vsock\x00', 0x40, 0x0) read$FUSE(0xffffffffffffffff, &(0x7f0000001400)={0x2020, 0x0, 0x0}, 0x2020) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000240)={0x0, 0x0}, &(0x7f0000000280)=0xc) setuid(r6) r7 = getegid() write$FUSE_CREATE_OPEN(r4, &(0x7f0000000180)={0xa0, 0x0, r5, {{0x1, 0x2, 0x4, 0xe88, 0x3a, 0xb90c6187, {0x4, 0x2bb, 0x3ff, 0x5, 0x6, 0x10001, 0x49, 0x7fff, 0x0, 0x4000, 0x59c, r6, r7, 0x0, 0x101}}}}, 0xa0) write$FUSE_ATTR(r3, &(0x7f0000000280)={0x78, 0x0, 0x0, {0x3ff, 0x9, 0x0, {0x3, 0x6, 0xfff, 0x5, 0x5bf, 0x100000000, 0x0, 0xfff, 0x0, 0x4000, 0x8, 0x0, r7, 0x3, 0xfffffff8}}}, 0x78) getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 719.580570] block nbd5: Device being setup by another task 02:52:53 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = socket(0x1e, 0x2, 0x0) bind(r1, &(0x7f0000d80f80)=@generic={0x1e, "0103000000000000000000000000000009a979f321b30c7bc8790405c7bad62e0a43a632ed4938d36d73fb8f8401a3ff59829a2b0afe7ce43a4b2470a0c5216669ca021f6f65dcf160e7e58f358c0002f0000158d19bcb31f1314a8ef151622ca5bdb9c8ead2000077aeb81c90001d6d7c980ee590c8b9f70dc136cb184a"}, 0x80) bind$tipc(r1, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x0, 0x0, 0x4}}, 0x10) sendmsg$IPCTNL_MSG_CT_GET_STATS_CPU(r1, &(0x7f0000000340)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x40000000}, 0xc, &(0x7f0000000300)={&(0x7f00000002c0)={0x14, 0x4, 0x1, 0x801, 0x0, 0x0, {0x7}, ["", "", "", "", "", ""]}, 0x14}, 0x1, 0x0, 0x0, 0x10000}, 0x8000) r2 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r2, 0x8b24, &(0x7f0000000000)='wlan1\x00\x0f\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa;\x8e\x13\x06\x1fk6=z\x8eni)\a\x00\x00\x00\x00\x00\x00\x00r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xd0\xb9R!\x85\xaaD#j\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\a\x00\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190\xf7R;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xee0\xe8[?Y7A|8\x83-r\xe8pP\xc6\xfd\xe1\xa8\x157\xd8\x10\xe4\xc5e\xb8\x85\x01\x9d\xe0(L\x9f\xc4P\x9e\xe0\vM\xc4\xb4x\x12r\xc4\xdf\x92\x94\xef\x9f\xe7\xdeg\xc8\x1e[V\f\xe1\x94Q\xdd\x8e\x02i\xe4\xeb!\x93\r\xb5\xc5u\x86P\x8d(\xd5\xbf\xf3\xf0\xb4+C`\xd3a\x10\xf1\x94') 02:52:53 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:52:53 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0x5452, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:53 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab04) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:53 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x49a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 719.881224] Failed to remove local publication {0,0,0}/244036321 [ 719.889634] Failed to remove local publication {0,0,0}/1219289967 02:52:53 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) ioctl$PPPIOCSPASS(0xffffffffffffffff, 0x40107447, &(0x7f0000000040)={0x3, &(0x7f0000000000)=[{0x1f, 0x80, 0x0, 0xbd1a}, {0x2, 0x3, 0x5, 0x7ff}, {0x6, 0x3, 0x40, 0x373}]}) ioctl$PPPIOCSPASS(r1, 0x40107447, &(0x7f00000000c0)={0x0, &(0x7f0000000080)}) 02:52:53 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0xa0102, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) readlink(&(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)=""/125, 0x7d) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:53 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) [ 720.007725] block nbd5: Device being setup by another task [ 720.057380] block nbd5: shutting down sockets 02:52:53 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0x5460, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:53 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x5000000, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:53 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab05) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:53 executing program 2: pwritev(0xffffffffffffffff, &(0x7f0000001680)=[{&(0x7f0000000040)="9282057d2a89defd3cdaa959171acb713c2a80187491df8a75cb6da28ddc79220bca5e01a0ba4ec5a855d3c30badfbaa0ed2fa", 0x33}, {&(0x7f00000000c0)="e7446122223de28719f8a28117e77d26224e8c520e2f881fc89b217434f9f4abfd50d0cf724f7e2a73444fa8557b1c951a3db8da80427a4e3add6a06c2612ef8effbbd16b6f2a310cd631fd74abf0b74ef5a33eeaa3c69c9b59dcaa1b25565b1ea631f0204a726b1eb5e6060b6b606c6c821a339072aa8cf6b3167659b5d93df2ad6a7375c6699ebb26d65e6b867e02b964c49bcc1041e03de6ed888e095fedc91a979a34b86129695dc74ca070a140f357f1a96ff5d15a60029bb4528093dfcc46fd3be4d5ddb15beb001cd1206fe64a899764071b64e3c9fed650bb9a24ad6", 0xe0}, {&(0x7f0000001700)="65a449bfebd3afcaf46c9e1f66e5c934a6f2cfb58dd7f43d0bff979ed9ab986a07e8a4667e46cffd4df74e84ef6aef835cdee4e58c729aa322d3bf23c17b11c3da772a4438ecedaffe092e63d77597bdc6baea15da33b6c0604e6bc9dae1872cf9762c24fc438d3d0e18430ca79de71ba09ee84358ea6609255722f6e334ad5c86f18313cc0de51c25f05b56399b7b0667e1e4a0e90bcf3a2841d311f2f652d582d2786edc7d5795a883942fbc6cc7bdc7945ab75155fada6b42bf2e59c07d4a9129e32d15373e361fdbee30ddd52bcb3d3b9bcc758349d16a8d8f605dc179625d41c0a7dbcb46daa6f52dd4746f", 0xee}, {&(0x7f00000001c0)="4a95a76b84325f9c69c08529f7a1b204f9f8c20b6acce192dbc52331693ad09b6c90df025d5d682b7bc54da6d4f320cdcb31f93ac773503dfb66caade608509a86d8b855680f", 0x46}, {&(0x7f0000000680)="1ce5e236fc072ae4bae219bf051da99ffd4801beb8eb6c338f450fa9281830167ebf4261ea622b6847c78efc3f811e62ee26189f8adc00bd82da20a65260371bc724f3ecff0a3edd81705d508de8210cd4491931c1006ab579a3dc672e59501fe506548a6b4a79b7600f132e5a7890a35d692b30ae2c56c44cc7a9bae85e580ab28d1eb82ade73ba386a84b474d2242a4e341eb3f36cf5ce93ade2b301e0e974409f1b41f42dcfe5624cb8d4e4aa88219356287e64b26988ea90120c33ac7504890cfe4a16208face48159d9ea1818044aeb1c76415d740917fca1794254c227d9a2b4dbe2dd1b217f2675dfd22770368fd58225ef8a202be1d7f96383b8794639638e1cbac69df862ed77056add880451818e7cac3c79e132f681072510d64ce9d44f03ad1d90b5f37a18bf731c85cf36e5a40b969155fa1dd49e833a4a80b601c7d1b10a91c5a4230021f0a39f57869fb68ee3705be923c30de2f7f4afbbe03095c52af49b7794f9b28fca172d637f82bd7beb48310463cc3a43caeebbc6fc6d384ab35ca8a383e9490a36f7f7769b165a2b06d3ca7c5cfe9155ebbe992947213168cc0f795d79e260bac8d027d144cb7a3a96475b0fb4854c58880f0deb5c33864d7a54e685e2f6c70d6aa1db2f0a334579c508deb5ea6336d654b3555bd832a3ab99c1d28757372d33dfb0612fb058b677e0a72019b7eef5aabfb03db40097ec97fc884dcce0d2bca3403d29aea61aadd3764f0011329fce72a9650746488a7a782f2eb13571a33d604ee9b7eb9b6f1b3d89d3498a2095f5d775279f974b1ddcba982c635c87f3579c11d37746e780aeaed901a5189d5c78693166a1f2746b82ed8aea9a3fa305ddcde8159d4eb92931547d1561cf07da085bb8e24843e13ec41e654e739a4c2a5b37824b0d1eb52286d8d4905c65255e09ef5d972e123dbf0a462a1012a7fecc5be2e2d3dfa6fd903a6329cc792fd71cbec8e9212146b64a1f05a5e1c1136fc3987bb2009fb049c55fb6fba7ababd2a99f81f6c8f9e6e29752fda3a37b99ee55e8ea4b26d780a90c51569f06b6a11b041ae134c099d6705073f76b0e77057b04a7c98f69395e4856c06bfbaff2d6b771e5c9d6ecb32d37b318f8ea97dfadf6b4f8a75cc27d0b9034a6f1b98da2bb4d6d44b7a3a2acdfc53e24f71f67ef6b09470ad4a99d97d52720a002a9224c8f3e5fedbb1fca4dbd7f4a0ecb68a09f9d7b8bd37dd30eefa643f5f9ff99c7637b729987e4f2f8ebe9388d7835029ba616c281f2c8ced4671779c7e3d0b5f7a46eb820c8de71ccccc31f7cf337e266550088267ff993fceeb5b1f44eedb685f9366a0caf53d6928ec0d693566558c5440e2889ac88df1685a0c873c60b4dd7e624e0aa0663696ec79b1e81101212a34b2e941bb4d678ed3f95fc3cc258d16d20d8977faad3a8e5501ea2db741d6519642f837bbfe2b15c91dda1ea8b093fc71d2b8ac85c30d99c549591cfa43ac0e234d4cd7e7f506bb21cbd617d2cde01c94cc9112c8b4d5ab21d553e34e040b28c14faf27ba0246705d25c377cb5049e3f80a65afff1c985e652976d14b79c8af7ef2d62fb022df94878f3d72d1e851a69b2d23d49fe7de3da543830be6d292d4afcd51fb0f9d5ceaae4875954cb02084b26c7acb85968ef6d6cb23456817bfc19542b6110bddab2e812b343cd2bcd38877ff25d008fb06035ef622034e1d9d851c59c3b48d9976874e147e908e8d37bb9954be831e5646b275a67df8c922c5ac172324f3be189af778c7cbda459e4a26f09718c9d0b116da7ff7c540682ed69e4151fa5f2618da6888c4dafdd3e9eeadf483b4c4243a803d2a24728c1ef30eb00db8def23430f30784d9d5bf0859fe26b8d077d6d0075186598fe54b37acf827c623a1ef916d6733233c6618f8a7f46692d30fe0c5cd5e401db42adaa7421131545fcab01c98032be459bee2d80b34b7dcda69e47c4d91aac76b0a7f025081cfa17a88636f05b3f60e6e56cd7b027b6d0054a4364689d787a89aac57e4beb6af8b72f0eb68c0306864393d3d4582b9e49a8928b4ecbdca4ffa692fe5298946dd725fa7e317e63be50db32571a337ba03ccd3736c32ccb90545e1ad5623dea6f21d057cddaf9b339d33fd42ec25d4823fe2f2a53181a53557b3aabf8b1dc3c4bf87092970c979e0e5c5cb171a2f43973631a802b54463820354863e1054297642eed71c5f8cb22bf89736abbeecc3d08d225bb38f686ad7df7146c1f6b0398432e9922233143796357fa943a170c4c3da355f9bac9cdbfbcc350d5a1d6adf099aa98b1abbeee0d3175de7d2d38b4b3e93041cfc40731a21d8754d66a9268409680519b251d972f8c376ad72dd3ce26d169c328d411834b0d5cb624194c1862b3cbcaf7c5e488d0a24ad7c0267b83ea2bea9f112fff8012e9581eb1a88a70e3228d770a8d8d7cc5241df37dbf1cd8b3fe1fa963447cae613d13880bf1c54461c69d11ede83098fb7575dcb86ea165463695e97d0f2643e921a585732ab03e5a61772a903a10f2cd3b682e7e79247e15c3caeace9227bcf8d3fdbf7de5537bcc8b380055c804ecaeac017d316bc9d9bd50f979d5a3ab5d364a19f152f74e1a27fe7a0574f61a7f36240a73d2117950a6074d9f26bf2e42b12162d44e9bbd04753052c2faeb1b577347481100b2e07597cfe2e6e4f3ee66f2e0d4bd063f1d699fb4c4be31f30816621b6a25afc7ef324bab2387cf082593b0942435bf8aa8a351a333a3e121ebe8f77d412318b4a4cc5ecbe1fbc90421ba6cd17e8d846b9a9d960070e74a12f880b3d02ff30cde283ebc60f0331552516797719acd9a6ee525f5ad15c8309935d7eec223f9f4e3a1edfb31cbe7555150cd1175ff1fa236ba8ccf3eedc5f7349c29496f6539594883dbdda30909b5df06ed97cce1fa2dd112b8ecede9c569ff118b7b48af30179819ce1c0858703618f5cf7d030b1b5294a9b448df215147b09c5e96098aed1f1554963d252da5588d116dd5b15fb66c83edb59b9e78df373257cd510e7e1446f18ff778d94ad2ed4f325477a990abf305f577dac5bc53acddbf11267b533e79f40b5a7172da7ff6277ab5945a2fd6441acb8875794545aa004c9ff6088eb970d696f5e0f4f92c5dabeeaaa4bbce16c4ef629465096493a787f22eece2affcbabc1f4e86c74240ac51449a9d3a25065e9f4669d43cb28b5933ea81f3cedc72fb6e3d0cf65e703d9c421d80e54a79481240fb04a1c6fcc3ac39d920705b4dbf451dbaa4b7badefef4f7b4ae13a18e16e2e4b966fe6b1b1496435ccb11b4c05fb94aa9c5b60c974c09e5ae73c88fd0bb21dddd7a94b91a455866b1f045f2dfc389f4f9f0eadec89e616df385803b8ffd18d054aff8b54fbee0697fdfa83de0dd2f91020279668946725fef50a14ecdfcfa996d5c82b0d9a09af13be0017826c217bcdfb3c8d33f91f6573af65c406ca636c80f3259ec774f7610a6b0d99ece01e7be6b7190c2196c05d843fdc159dddd542edb0c2532b6f318790262f2edcdcfc9a564f96347f0488795eee40fc09fb63bd725bf024b857333b468a7b50860d4cd4ed19115f8c481937ec79a1618049bfca4118eaf2a01525e872a14fe266d91fdb60c5ad082c2c5c7cdf346f1efe8d12ae0bb50a528a12811ec78687f42959af40a2275c7ee9e3066e8aaf33dac825ace9f6f9e73cbd4c7e63ebd9d36ec88c59ec3cad8ab60a06f97a933c266441281f94480c82fd7a3c0d2fe973cf5e675e9469bab315302bf059de65617ac8a380eaf4249efef632bf24683ea6a98507fe59513688964db2110b98fc1b9e40c937956c1712892ea25874193b6d0ffe62e8cbb8a5f4d588792d0dc887e7c6139553b85d573060f08a1519f5da6940b3f6d23cee42653e57005a3434acd790b8299c0d4be1d3fbf1f9b9d2646a7146062fe19ab47329731ddcb7c9aad69fc01e5dea5ef99d6460a5a3e6e82df1ebda3a4d174719399f283a9575ffd4d32cfd0cd3d32815f4b72643415694cbafce028a1eba38e4a2e4218e7684d7a568715a3a448f4393b74f7b1797af86451699ec1191f7ec80cab66fce408710903bfa3e7af359b059ac76b9ea7244da970c9a41eb304589fb3e938820dd698b887acaade83fd57cdff01a99c6e165548f9b268cb6ceaf2585807fffc87af34d7f5f7b3f9690ba0c2728dfc427f2179766b8007abc3cf1d6d4fb25b065b8986f43419370c8fe4465c0f3a5702a84572395b6726ba421785cc88d7ed6c984f13b08ead47e3d93c67bd3b40a904be11a0957e2bcff13244b07db471e512ffb092f4603c0454cd0834e1ba7a8b84a82c418d415d439bcfe7c6635a0a660924c74447c5dddf17808226a34d9fbf25399c70d800b024bc9d9c06d8e658aeb9547d9dff3a9e0ca0c857277ab409318d9e5a9b02e2fd3c1e037916420acc89ef75fa0e772beb7fb6c6b41b22da9a5a91fe3667f83418beca5541325212f497ed616dec1b9db7bb9307852f385a048e602435e78430ef2cec741ef162f074c9983b9f7d3ef3edf0154ec6b991c8f77acbd14e957395922da0822ea9648c4a395de3eeb823aa2de64cbd45c961ee18e132aa1c5c848b710f1d81782ae108418d59c1ade3598f7313b1f250c6c71578c750978b95979bf9469762bed17b25c4a58425cecb2f56370fdb85ac9b72eedc04d03886f225ab303ceb8259c4bf4007d312167808ca0bbdbf7cf10a6d9bd7611a6eab7566a1ed5ae91f85a4510bc9a184302adddfbba679bca7565d71c4f52518cd54f1a3e3a74ffe6e9ee2036ead4b3b0e581bf5496bdffe22fca868af1851d7e42de47cee95e98f24883a26aebccc1d03e95e34b52a03e88b0788c2929d8558cc03cab9a6187ddf5d7eaa137a679d1c76c871b03d0b4693d13568582dd6e72642123303cea892af0a34cc8fc53c2ef45ed442589933387addd51d34442bf7e9e181319829ed4e4c9a5116e57d4a269aef0842d4e331354f931ad9452ae3b1ddfb7017f6dc0bf73e7f9ce5a81fce15744effcc638b8f4ff3b0a203804308210724a69f4536b05ee3d3aba319ea2449e25f59bf7a273fe23ccbd0c9b6d4f998097b5789b264313277029476d6f572c4cdb3bdbf26f44f343ec25ced618c4c72a64241ca725ee7766beeec06db2535db38177ee7e60320aba3cb77d3c3bde938d0e43a9aa836a7af7bce09c20cc3ba7f5bfbab722b42cb750110a7aede744d7bf157a0593734654fc085280d61a9eb4b3ead4aa1c9f345241da8b5a525c783982abad16373923b4864964a4baa63f960d69c3d21aa2fba284875bf4fee696097c0f2953b3b8cb1f102d01e086f4738c3e54a4e6d4c35e0a8e1531f804e4082d986be25f0c705d35e22c3b20c3b359eac49199aee56eacafc0d8c465576711649e0469d953ff81dbdef75df4c670c8e427eeb135fc2ef6496aaa11874050702067c8c7cb54406984effbe44fbaabe1587f2cb293ae241d745e46a525a3dec6d3a14653e5357c2ed96cba1812d688651f1f7cb110cfac996f652f09b8779c90139ab709e710c91345c9726253c9304c4bc4be75d4265b4f4672c6cd9765ee324d5ed06711113199db59586b4f8b9a716d1ab1c348015deae22f716e399d257ce0319939eee8471424493bc8ab814d213bfa783d5c6addf713a6b613fb3fbc3b5d1440480b90f40194a4dd0b0e6feab357e9ba950caf16590997d0959e19b0ccc9190e915081464b3c00660fe32fab6dd9e504e30d52ed34b662f582b0a39121d", 0x1000}, {&(0x7f0000000480)="4d9ebdfe7c79064158d51bb39f0aa8b588f52f7231989ac593149093047723001cac89af3eb030fbb7fef250489df585cf5099753ce7e11a978a258e70f38263e22017ee3915c5814ffb790c01e2891432a2dee611e1466ea4017171", 0x5c}, {&(0x7f0000000500)="9e6b5643ab277acafd94b4729d13e399042f18984b73", 0x16}], 0x7, 0x3ff, 0x4) syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000540)=0xe) ioctl$TIOCSETD(0xffffffffffffffff, 0x541b, &(0x7f0000000000)) r0 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:53 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:52:53 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$mice(0xffffffffffffff9c, &(0x7f0000000000)='/dev/input/mice\x00', 0xc00) ioctl$ASHMEM_PURGE_ALL_CACHES(r2, 0x770a, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r3, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r3, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) r4 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r4, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:53 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = dup(r0) r2 = perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) socketpair$tipc(0x1e, 0x2, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) r4 = dup2(r1, r1) dup2(r3, r4) ioctl$BTRFS_IOC_GET_SUBVOL_INFO(r2, 0x81f8943c, &(0x7f000006cc00)) ioctl$PERF_EVENT_IOC_SET_FILTER(r2, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeW9\xfa\r\xbe\x16%\xde\xa2\xff\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda/\xa7\xe2)\xe4\x8c\xb90@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) ioctl$VIDIOC_G_FMT(r1, 0xc0d05604, &(0x7f0000000000)={0x5, @pix_mp={0x7f, 0x3, 0x3247504d, 0x1, 0x8, [{0x0, 0x9}, {0xc09, 0x6}, {0x5}, {0x8, 0x2}, {0x9, 0x48}, {0x1}, {0x3ff, 0x5}, {0x7, 0x7fff}], 0x1, 0x55, 0x7, 0x2, 0x7}}) 02:52:53 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:52:53 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0x40049409, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:53 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x59a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 720.386590] block nbd5: Device being setup by another task 02:52:53 executing program 2: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) lstat(&(0x7f0000000000)='./file0\x00', &(0x7f0000000040)) r1 = dup(r0) ioctl$PERF_EVENT_IOC_SET_FILTER(r1, 0x8b24, &(0x7f0000000240)='wlan1\x00\a\xd3~\xd4\xa2\xb8y\xe1\x04\xbe\xbd\xf8\x04U\x00\x00\x00\x00\t\x00\xff\x8d\x00\x00\xf6\xe7\xf9\x01\x06\x8c\xe2K\x93\xf6\x7f\f\xeb(-\xb3\x9a\xde~\x80\x00i\x04\xd9\xfd\xbd\x00\x1d})\xa0\xb1\xd2\xe4\x00\x00\x00\x00\x00\b\x00\x00\x00\x00\x00l\x00\x00\x00\x10\x00\x00\x00\x00\x00s\x18\x9f \xfa\x91\x1b\x01U\xbe\x01\x01X\xbdh\x7f\x00\x00\x00\xcd\x15\xc1K\xab\xe9\xe3h\x05\xda\xce\xed\xa5\xb8<\x9d\xd1\x19\xcc\x87\xb1\x9a\xc6D\xb4\xa7e\"\xfc$4EI\x95(\x02B-mF\xfa\x92\xdc\x13\x06\x1fk6=z\x8eni)\xb5i\x0f\xc7\v\x9d\x81\xb3r\xb1xX\xdb\xcbzE\xfeO\xe7\xdf\x96\xa2\xf8EX\xe3\xbcf\x02\xb8T\x1a\x1f\x16\xb9\b\xa2\xb0\xb1\xc4vCh>\xa3\xd7\xc70\x92C5\x9d\x17\xd1\x96g\x8d\xd1\x06i\xde<\xf3\xd9\x93M/\x1eQ\xba\xe7[\xe3\x00\x00\x00\x00\x00\x00t\xeeKr\xb3\"\xa9\xef\xa2\xd8\x03_\xee=[o\xaa\xaeWPX9\xfa\r\xbe\x16%\xde\xa2o\xa9\\%\xc8\xfa\xd9t\xe5t\x9d\aj\x16\xc4}-\xf6\xd3\x02\x00\x00\x00\xcc\x96\xc3\xd6\x00\x04\x00\x00\x00\xd0\xab.\x13L8V\x1d\xa0\x02#\xb4\xea@\x1b\xd0{\x02iE\xb3\xb0\xe8\xdb[\xc8\xa5\xe4Tr\xb4w\xba\xa9\xfe\x0f\xdcFc\xd0\x9f\x82\x9d\xae\x9cy\xb3QOT\xdc\x86\x82Q\xe0\xab\xc1w\x03;-^(\x02=\xf39\xe9yT\xc4\xf0\xef\xe0\xd8\b#\x9a\xcd\xe0\xf8q\x9a\xcd\xdeAF,\x04\"\x84\xbaO\x97\xf7\xfb\xa2N>\xcb\x9d\xc0\xcc\x13\x12\xcc@\x89\xf8F\x82OO\x99\x00\xb7\xd5\xd4\x9fm\xb4\xb0\xa0V3)\xa7\x005b+\xcamN\x8f}\x90/\xe9W?~\xc7W\xd2\xb1\xa6\xf7!\x16\x03D\xd0\xda\x1b\xa7\xe20@\xe1\x8e\x1c\xa7\xb1\x85g\v\r\xd5/\xaf\xea\xedI\xbb\'[\xfc\xe7j\x81{\xcb9PW\x8daR\x01$\xba\xc6\x1aV\x04\xff\x190wR;\x8c\t\x8b~T\xac\xa0\xd7j&\xe0\x19\x9c\x13\x00\xca\x1c\x17\x1b=~\xaa\xad\x8c\x04\xf4\xfdT\x00'/540) 02:52:53 executing program 4: ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x0) 02:52:54 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab06) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:54 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0x4004ae8b, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:54 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x6000000, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:54 executing program 4: ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x0) 02:52:54 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r2, 0x5423, &(0x7f0000000540)=0xe) ioctl$TIOCSETD(r2, 0x541b, &(0x7f0000000000)) ioctl$FS_IOC_ENABLE_VERITY(r2, 0x40806685, &(0x7f0000000000)={0x1, 0x2, 0x1000, 0xba, &(0x7f0000000280)="0891f7bf0d5f418fada2a737be6fd40dbffea33f08a493b4033b909048dfbff6fce8196279fd624e8f4b2708f140e2a34077d8506de4d5339a772b555bb6fc7590295c4bec750a3fca16d3836d7a0588d73905e09e426b2086fce582b1562db31642f4354d1e5b686fc0fd9a60a5ea592bfb00fb685841013b79326049d39eaaa7c52e7646bd80cd0b1c58b000f85ddddbf51737703b6ecbfbbf6029d562d406a62bd54153eacf8ee11cbb6751efcebc515167370ebda014f428", 0xfd, 0x0, &(0x7f0000000340)="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"}) r3 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r3, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r3, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0xc028660f, 0x0) ioctl$SNDCTL_DSP_NONBLOCK(0xffffffffffffffff, 0x500e, 0x0) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='cgroup.controllers\x00', 0x100002, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r4, 0xc028660f, 0x0) ioctl$KVM_SET_XSAVE(r4, 0x5000aea5, &(0x7f0000000a40)={[0x7ff, 0x5, 0x9, 0x7, 0x0, 0x6, 0xfffffff9, 0x40, 0x2, 0x800, 0x4, 0x1, 0x20, 0x310, 0x5, 0x4, 0x725, 0x1c919970, 0x2, 0x8, 0x26a5, 0xf266, 0x7472, 0x3f, 0xffffffff, 0x3, 0xf2d3, 0xffffffff, 0x1f, 0x7ff, 0x7f, 0x10000, 0xdd, 0xfffffffe, 0x524d, 0x8, 0x9, 0x1, 0x5, 0x400, 0x2, 0x5, 0x8, 0x1ff, 0x799, 0x5, 0x3ff, 0x2, 0x6, 0xfffffff7, 0x1f, 0x0, 0xfffff801, 0x0, 0x0, 0x0, 0x6, 0x2, 0x7fff, 0x10000000, 0x0, 0x7, 0x20, 0x7, 0x7, 0xfffffff9, 0x0, 0x6, 0x10000, 0x1, 0x10001, 0x7, 0xb0, 0x8, 0x101, 0x4377c65f, 0x9, 0x3, 0x80000000, 0x2, 0x81, 0xfff, 0x8, 0x7, 0x3, 0x40, 0x40000000, 0x7, 0x38eb, 0x6, 0x0, 0x200, 0x2, 0x10000, 0x5, 0xffff1728, 0x3, 0x9, 0x802000, 0x7, 0x9, 0x8cb, 0x0, 0x8, 0x7fffffff, 0x2cbd, 0x0, 0x100, 0x401, 0x0, 0x26de816e, 0x9, 0x8, 0xffffffff, 0x0, 0x2, 0xfff, 0x9, 0x800, 0x3, 0x9, 0x8000, 0xffffffff, 0xfffd, 0x20, 0x2, 0x5, 0x80000001, 0xff, 0xfffffff7, 0x7, 0x80000001, 0x575, 0x94, 0x8, 0x200, 0x8, 0x5, 0x4, 0x200, 0x101, 0xe8, 0x0, 0x6, 0x7fffffff, 0x4, 0x8000, 0x1, 0x9, 0x9, 0x8000, 0x3, 0x4, 0x101, 0x9, 0xfffffffb, 0xffffff81, 0x81, 0x70a, 0x1c, 0x9, 0x8, 0x0, 0x800, 0x1, 0x3, 0x9, 0x2, 0x533e, 0xa3, 0xc52, 0x1, 0xfffffff9, 0x9, 0x3, 0x85d7, 0xaee7, 0x76, 0x40, 0xfffffffd, 0x400, 0x1, 0x8, 0x4, 0x7ff, 0xffff0000, 0x3ff, 0x7, 0x0, 0x0, 0x5, 0x2, 0x8001, 0x88f7, 0x4, 0x7fffffff, 0x0, 0x3ff, 0xd332, 0x6, 0x0, 0x611, 0x6, 0x8, 0x63, 0x1, 0x3ff, 0x0, 0x100, 0x80000000, 0x1, 0xfffffffc, 0x4, 0x80000001, 0x2004d7, 0x9, 0xd5, 0x7, 0x7fffffff, 0x1, 0x100, 0x1f, 0xffff, 0x3, 0x8, 0x5064, 0x5, 0x0, 0xfff, 0x10000, 0x1000, 0x1f, 0x5, 0x8, 0x7fff, 0x5, 0x2, 0x8485, 0x101, 0x6, 0x6, 0x80, 0x7, 0xffffffd0, 0x3, 0x3, 0x2, 0x3, 0x80000000, 0x7, 0x200, 0x5, 0x5, 0x1f, 0x3, 0x0, 0x80000000, 0x0, 0xffffffff, 0xfffffffd, 0xaf, 0xfff, 0x1, 0x6, 0x7, 0x5, 0x122, 0xc7, 0x2, 0x31098000, 0x6, 0x1c, 0x6, 0x9, 0x8, 0xc9, 0x0, 0x7, 0x7fffffff, 0x6, 0x0, 0x81, 0x2, 0x9f0a, 0x7fff, 0x2, 0x7, 0x800000, 0x2, 0xfffffff7, 0x3, 0x800, 0x101, 0x1, 0x8, 0x7ff, 0x8000, 0x0, 0x2, 0x6, 0x800, 0x7fffffff, 0x200, 0xfff1, 0x7ff, 0x1, 0x1f, 0x4, 0x8, 0xd8c, 0x7, 0x9, 0x80000000, 0x800, 0x8, 0xca, 0x3ff, 0x7, 0x80000001, 0x200, 0x5, 0xf5f, 0xffffffe1, 0x80000000, 0x4, 0x9, 0x40, 0x4, 0x1, 0x6, 0x800, 0x9, 0x1, 0x4, 0x4, 0x2, 0x7, 0x7, 0x0, 0x7, 0x4, 0x3, 0x4, 0x6, 0xffffff01, 0x3ff, 0x1, 0x0, 0x9, 0x7fffffff, 0x401, 0x8, 0xc802, 0x1, 0x7, 0x1, 0x83d0, 0x0, 0x10040, 0x800, 0xfff, 0xffffffff, 0x6, 0x40, 0x6, 0x0, 0x7ff, 0x7, 0x20, 0x9bb, 0x417, 0x5aa8, 0x1, 0x6, 0x7ff, 0x400, 0x1cc4e441, 0xa7, 0x4, 0xfffffff9, 0x5, 0x2, 0x77794883, 0x3, 0x8, 0x2, 0x20, 0x9, 0x3b, 0xd6, 0x401, 0x78, 0x40, 0x4, 0x7, 0x1, 0xa4f, 0x80000001, 0x1, 0xffff, 0x7, 0x9, 0xcd, 0x4, 0x8e3, 0x9, 0x1, 0x9, 0x7fff, 0xffffffff, 0x507, 0x2, 0x6, 0x2, 0x5, 0x401, 0x3, 0x3, 0x6, 0x39, 0x9, 0x6ca, 0x4, 0x0, 0x375d7a85, 0x36cf, 0x4000, 0xfff, 0x594, 0x80000000, 0x4, 0xffff8001, 0x100, 0x0, 0x7f, 0x85a9, 0x7fffffff, 0x6, 0x91, 0x101, 0x0, 0x5, 0x9, 0xde2, 0x5, 0x2, 0x4, 0x4, 0x1000, 0x7, 0x81, 0x1, 0x0, 0x4, 0x9, 0x0, 0xbd, 0x6, 0x7, 0x8b5, 0x1, 0x3, 0x1, 0x200, 0x9, 0xbf, 0x6, 0x400, 0xfffffff9, 0x101, 0x10000, 0x1f, 0xa0, 0x1, 0x4, 0x0, 0xffcc, 0x400, 0x3f, 0x6, 0x7f, 0x5, 0x1000, 0x40, 0x6, 0x8, 0xaef, 0xff, 0x8, 0x66a3, 0x7, 0x19, 0xffffffff, 0x0, 0x2, 0x5, 0x8001, 0x2, 0xf9, 0x4, 0x2, 0x5, 0x9, 0x7, 0x20, 0x5, 0x3f7, 0x9, 0x6, 0x63, 0x7f, 0x7ff, 0x9, 0x7, 0x0, 0xfffe000, 0x7, 0x6, 0x4, 0x400, 0x2, 0x7f, 0x7fffffff, 0x1ff, 0xfe66, 0x100, 0x1, 0x8, 0xf1, 0x6, 0x8, 0xb4b6, 0x3, 0x1, 0x7f, 0x800, 0x2, 0x3, 0x200, 0x2, 0x200, 0x80000001, 0x9, 0x5ab, 0x3, 0xe0, 0x80, 0x9c9b, 0x0, 0x2, 0x4, 0x8001, 0x1ff, 0x400, 0x9, 0x5, 0x7, 0x1, 0x8, 0xffffffff, 0x80, 0x80, 0x10000, 0x1, 0x200, 0x2800000, 0x7fff, 0x1, 0xff, 0x80000000, 0x8, 0x8, 0xa00, 0x4d79, 0x3f, 0xffff0001, 0x9, 0x401, 0x2, 0x3f, 0x4, 0x6, 0x1, 0xd4c, 0xfffffffc, 0xfffffff7, 0x5, 0x40, 0x8, 0x7, 0x100000, 0x7, 0x8, 0xff, 0x80000000, 0x101, 0x2, 0x2, 0xff, 0x3510, 0x0, 0x1, 0x80000000, 0x3, 0x8, 0x80000001, 0x9, 0x200, 0x0, 0x7fffffff, 0x8001, 0x3, 0xffff, 0xd01f, 0x2, 0x4, 0x0, 0x0, 0x4, 0x7, 0x1f, 0xe867, 0x81, 0xe3d, 0x3, 0xffff0000, 0x4a70, 0x4bee, 0x8, 0x7ff, 0x2, 0x6816, 0x0, 0xce17, 0x8001, 0x100, 0x3, 0x1000, 0x1f, 0x10000, 0x98ae, 0x0, 0x1f, 0xdfc1, 0xfffffff7, 0x7fff, 0x3ff, 0x8, 0x7b, 0x7b6a, 0x2d6e0c5e, 0x5, 0x4, 0x8, 0x5, 0x401, 0x101, 0x1, 0x90, 0x2, 0x8, 0x200, 0x100, 0x5e, 0x0, 0x2, 0x6, 0x2e, 0x5, 0x8000, 0x0, 0x2, 0xff, 0x800, 0x1, 0x1000, 0x1, 0x9, 0x1440, 0x7a9, 0x2, 0xa966, 0x43, 0x9, 0x9, 0x2, 0x4, 0x2, 0x1ff, 0x9, 0x7, 0x0, 0x18c, 0x7, 0x7, 0xdb, 0xfffffff9, 0x8000, 0x6, 0x5, 0x7f, 0x0, 0x401, 0x6, 0x81, 0xbba, 0x7, 0x8, 0x7, 0x2, 0x7, 0x1, 0x1000, 0xa0, 0x20, 0x8, 0xf4, 0x3, 0x1f, 0x6, 0x4, 0x7, 0x38, 0x1, 0x2, 0x20, 0x6, 0x5, 0xb00, 0x2, 0x400, 0x0, 0xfffffff7, 0x6, 0x9, 0x7fff, 0x5, 0x9, 0xff, 0x7fffffff, 0x68, 0x5fa8702, 0x9, 0x9, 0x8, 0x9, 0x1a547d23, 0x9, 0xc621, 0x9704, 0x3, 0x3f, 0x0, 0x0, 0x6, 0x5, 0x0, 0x80, 0x1, 0x80, 0xc9d, 0x4, 0x401, 0x4, 0x3, 0x1ff, 0x8673, 0x3, 0x0, 0x1688, 0x2, 0x4, 0x4, 0xdd, 0x4, 0x20, 0x2, 0x0, 0x401, 0x2, 0x1, 0xfffffff9, 0x8001, 0x7, 0x3b58, 0x1, 0xfffffffa, 0x3, 0x7ff, 0xfbd, 0x2, 0x80000000, 0x8, 0x7, 0xffffffff, 0x7, 0xf6, 0xffffffe1, 0x20, 0x7fffffff, 0x7, 0x6, 0x3, 0x6d9, 0xfffffffb, 0x1, 0x800, 0x3ef, 0x403, 0x0, 0x5e, 0x8, 0x4000, 0x0, 0x0, 0x7, 0x8001, 0x2, 0x60, 0x20, 0x2776, 0x7, 0x3, 0x8, 0x2, 0x9, 0x20, 0xffff, 0x7fff, 0x8000, 0xffffff7f, 0x3b, 0x101, 0xfffffffb, 0x3, 0x8, 0x9, 0x9, 0x7fff, 0x7, 0x8, 0x0, 0x9, 0x4, 0x7, 0x80, 0x59, 0x6, 0x4, 0x0, 0x6, 0xe, 0x3, 0xfff, 0x0, 0xc000000, 0x5, 0x0, 0x9, 0x4, 0x881d, 0x2, 0x3, 0x7, 0x6, 0xfffffffb, 0x100, 0x8, 0x4, 0x5, 0x6, 0x0, 0x3, 0x7, 0x8, 0xff4f, 0x3, 0x69, 0x401, 0x1, 0x200, 0x6, 0x7, 0x7, 0x3ff, 0x3, 0xa3ad, 0x400, 0x0, 0x7, 0xfffeffff, 0x4, 0x2, 0x9, 0x9, 0x8, 0x8, 0x1e, 0x9, 0x428, 0x3f, 0x1, 0x3f, 0x15d0, 0x2, 0xfffffffe, 0x1ff, 0x8001, 0x6, 0x3, 0x32b4, 0x2, 0x7f, 0x7, 0xf49d, 0x1fe, 0x368, 0x4, 0x0, 0xfffffffe, 0x0, 0x8, 0x6, 0x7ff, 0x10000, 0x1, 0x2, 0x5, 0x80000001, 0x9c0b, 0x7fffffff, 0x9, 0x7f, 0x101, 0x4, 0x8, 0x1, 0x2, 0x1, 0x6, 0x400, 0x7, 0x101, 0x401, 0x6, 0x79, 0x100, 0x0, 0x7, 0x200, 0x10001, 0x3, 0xd4c6, 0x7, 0x7f, 0xcb, 0xfff, 0xb75b, 0x5, 0x3, 0x2, 0x7ff, 0x7, 0x20, 0x3, 0x15, 0x3ff, 0x6, 0x8, 0x5c9e, 0x200, 0xff, 0xfffffff9, 0x4, 0x7, 0x1000, 0x9, 0x6, 0x8, 0x80000001, 0x6, 0xd7b, 0x2b38, 0x9, 0x3f, 0x7f, 0x2, 0x100, 0x7fffffff, 0x81, 0x5, 0x6, 0xf3, 0x3ff, 0xe6c, 0x400, 0xb1, 0x9, 0x3, 0x9, 0x4, 0x2, 0x3, 0x3ff, 0xe2d, 0x80000000, 0x0, 0x5, 0x10000000, 0x8, 0x401, 0x9, 0x8000, 0x75f, 0x7, 0x150, 0x2, 0x3, 0x9a44, 0x9, 0x800, 0x7, 0x4, 0x79eb]}) r5 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r5, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 720.926196] block nbd5: Device being setup by another task 02:52:54 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x69a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:54 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0x4004ae99, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:54 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab07) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:54 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x7000000, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:54 executing program 4: ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x0) [ 721.289758] block nbd5: Device being setup by another task 02:52:54 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:52:54 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000040)='/dev/autofs\x00', 0x200001, 0x0) sendmsg$TIPC_NL_BEARER_DISABLE(r3, &(0x7f0000000180)={&(0x7f00000000c0), 0xc, &(0x7f0000000100)={&(0x7f00000004c0)={0xd0, 0x0, 0x400, 0x70bd2b, 0x25dfdbfe, {}, [@TIPC_NLA_MEDIA={0xbc, 0x5, 0x0, 0x1, [@TIPC_NLA_MEDIA_PROP={0x24, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_MTU={0x8, 0x4, 0x4}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0x80}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x6}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x2}]}, @TIPC_NLA_MEDIA_NAME={0x7, 0x1, 'ib\x00'}, @TIPC_NLA_MEDIA_PROP={0x3c, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_MTU={0x8, 0x4, 0x80}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x8001}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x67}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0xc500}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0xa066}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x5}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0x7ff}]}, @TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'udp\x00'}, @TIPC_NLA_MEDIA_PROP={0x14, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_MTU={0x8, 0x4, 0x7c}, @TIPC_NLA_PROP_MTU={0x8}]}, @TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'udp\x00'}, @TIPC_NLA_MEDIA_PROP={0x1c, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_TOL={0x8, 0x2, 0xb8}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x8}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x10000000}]}, @TIPC_NLA_MEDIA_NAME={0x7, 0x1, 'ib\x00'}, @TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'udp\x00'}]}]}, 0xd0}, 0x1, 0x0, 0x0, 0x20000811}, 0x8011) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r4 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() r5 = openat$vcsu(0xffffffffffffff9c, &(0x7f0000000000)='/dev/vcsu\x00', 0x300, 0x0) ioctl$KVM_GET_IRQCHIP(r5, 0xc208ae62, &(0x7f0000000280)) writev(r4, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:54 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab08) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:54 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x79a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:54 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0x40086602, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:54 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:52:54 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) socket(0x23, 0x800, 0x81) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 721.687435] block nbd5: Device being setup by another task [ 721.721806] block nbd5: NBD_DISCONNECT [ 721.746228] block nbd5: Send disconnect failed -32 02:52:55 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x8000000, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:55 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0x40087602, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:55 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:52:55 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab09) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:55 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) [ 722.092761] block nbd5: Device being setup by another task 02:52:55 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) bpf$BPF_PROG_GET_NEXT_ID(0xb, &(0x7f0000000000)={0x800}, 0x8) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:55 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x89a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:55 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0x4020940d, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:55 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab0a) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:55 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) [ 722.419567] block nbd5: Device being setup by another task 02:52:55 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0x4048ae9b, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:55 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x9000000, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:55 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) socketpair$tipc(0x1e, 0x2, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r6, 0x5423, &(0x7f0000000540)=0xe) ioctl$TIOCSETD(r6, 0x541b, &(0x7f0000000000)) tee(r4, r6, 0x2, 0x0) getsockopt$IP_VS_SO_GET_VERSION(r5, 0x0, 0x480, &(0x7f0000000040), &(0x7f00000000c0)=0x40) 02:52:55 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(0xffffffffffffffff, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:52:55 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x40049409) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:56 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0x4090ae82, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:56 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x0) 02:52:56 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x99a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 722.848823] block nbd5: Device being setup by another task 02:52:56 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0x4138ae84, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:56 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_GET_DIRTY_LOG(r1, 0x4010ae42, &(0x7f0000000000)={0x5, 0x0, &(0x7f0000ffa000/0x4000)=nil}) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='cgroup.controllers\x00', 0x100002, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r4, 0xc028660f, 0x0) ioctl$DRM_IOCTL_IRQ_BUSID(r4, 0xc0106403, &(0x7f0000000040)={0x6, 0x9, 0x4, 0x875}) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:56 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x0) 02:52:56 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x40081271) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:56 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0xa000000, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:56 executing program 4: r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(0xffffffffffffffff, 0x4c80, 0x0) 02:52:56 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0x41a0ae8d, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:56 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = openat$null(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/null\x00', 0x4000, 0x0) setsockopt$packet_tx_ring(r1, 0x107, 0xd, &(0x7f0000000100)=@req3={0x4, 0x8, 0x0, 0x8, 0x9, 0x0, 0x9}, 0x1c) r2 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r2, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000000)='/dev/nvme-fabrics\x00', 0x200, 0x0) ioctl$KVM_SET_REGS(r3, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r3, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) r4 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r4, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) r5 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='cgroup.controllers\x00', 0x100002, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r5, 0xc028660f, 0x0) r6 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='cgroup.controllers\x00', 0x100002, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r6, 0xc028660f, 0x0) ioctl$MON_IOCQ_RING_SIZE(r6, 0x9205) openat(r5, &(0x7f0000000040)='./file0\x00', 0x204041, 0x6e) [ 723.349073] block nbd5: Device being setup by another task 02:52:56 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0xa9a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:56 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x40086602) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:56 executing program 4: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab08) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:56 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0xb9a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:56 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0x8004ae98, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 723.757236] block nbd5: Device being setup by another task [ 723.787835] block nbd4: NBD_DISCONNECT [ 723.804478] block nbd4: Send disconnect failed -32 02:52:57 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = openat$autofs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/autofs\x00', 0x400001, 0x0) ioctl$CHAR_RAW_RRPART(r2, 0x125f, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r3, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r3, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) r4 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r4, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 723.919993] block nbd4: Disconnected due to user request. [ 723.969373] block nbd4: shutting down sockets 02:52:57 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0xc000000, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:57 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0x80086601, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:57 executing program 4 (fault-call:2 fault-nth:0): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:52:57 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x40087602) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) [ 724.194433] FAULT_INJECTION: forcing a failure. [ 724.194433] name failslab, interval 1, probability 0, space 0, times 0 [ 724.206933] CPU: 1 PID: 8872 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 724.214742] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 724.224125] Call Trace: [ 724.226728] dump_stack+0x1fc/0x2fe [ 724.230375] should_fail.cold+0xa/0x14 [ 724.234283] ? setup_fault_attr+0x200/0x200 [ 724.238618] ? lock_acquire+0x170/0x3c0 [ 724.242620] __should_failslab+0x115/0x180 [ 724.246867] should_failslab+0x5/0xf [ 724.250600] kmem_cache_alloc_trace+0x284/0x380 [ 724.255315] ? loop_queue_work+0x20c0/0x20c0 [ 724.259740] loop_add+0x4e/0x8a0 [ 724.263123] loop_control_ioctl+0x16c/0x480 [ 724.267463] ? loop_lookup+0x1d0/0x1d0 [ 724.271367] ? HARDIRQ_verbose+0x10/0x10 [ 724.275448] ? e1000e_config_hwtstamp+0x3c0/0xc80 [ 724.280305] ? loop_lookup+0x1d0/0x1d0 [ 724.284203] do_vfs_ioctl+0xcdb/0x12e0 [ 724.288110] ? selinux_file_ioctl+0x506/0x6c0 [ 724.292622] ? ioctl_preallocate+0x200/0x200 [ 724.297047] ? selinux_inode_link+0x20/0x20 [ 724.301387] ? __fget+0x356/0x510 [ 724.304859] ? do_dup2+0x450/0x450 [ 724.308412] ? vfs_write+0x393/0x540 [ 724.312151] ksys_ioctl+0x9b/0xc0 [ 724.315650] __x64_sys_ioctl+0x6f/0xb0 [ 724.319555] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 724.324160] do_syscall_64+0xf9/0x620 [ 724.327983] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 724.333179] RIP: 0033:0x45d5b9 [ 724.336381] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 724.355292] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 724.362576] block nbd5: Device being setup by another task [ 724.363011] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 724.375995] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 724.383274] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 02:52:57 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$UI_GET_VERSION(0xffffffffffffffff, 0x8004552d, &(0x7f0000000000)) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() r4 = socket(0x1e, 0x2, 0x0) bind(r4, &(0x7f0000d80f80)=@generic={0x1e, "0103000000000000000000000000000009a979f321b30c7bc8790405c7bad62e0a43a632ed4938d36d73fb8f8401a3ff59829a2b0afe7ce43a4b2470a0c5216669ca021f6f65dcf160e7e58f358c0002f0000158d19bcb31f1314a8ef151622ca5bdb9c8ead2000077aeb81c90001d6d7c980ee590c8b9f70dc136cb184a"}, 0x80) bind$tipc(r4, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x0, 0x0, 0x4}}, 0x10) connect$unix(r4, &(0x7f00000000c0)=@file={0x1, './file0\x00'}, 0x6e) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 724.390583] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 724.397860] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:52:57 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x40101283) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:57 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0x80087601, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:57 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0xc9a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:57 executing program 4 (fault-call:2 fault-nth:1): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:52:57 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0x8090ae81, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:58 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0xd9a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 724.723882] block nbd5: Device being setup by another task [ 724.752956] FAULT_INJECTION: forcing a failure. [ 724.752956] name failslab, interval 1, probability 0, space 0, times 0 [ 724.834985] CPU: 0 PID: 8911 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 724.842810] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 724.852170] Call Trace: [ 724.854766] dump_stack+0x1fc/0x2fe [ 724.858412] should_fail.cold+0xa/0x14 [ 724.862318] ? setup_fault_attr+0x200/0x200 [ 724.866660] ? lock_acquire+0x170/0x3c0 [ 724.870656] __should_failslab+0x115/0x180 [ 724.874905] should_failslab+0x5/0xf [ 724.878630] kmem_cache_alloc_node_trace+0x244/0x3b0 02:52:58 executing program 1: openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='cgroup.controllers\x00', 0x100002, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r0, 0xc028660f, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) getsockopt$inet_sctp6_SCTP_INITMSG(r0, 0x84, 0x2, &(0x7f0000000000), &(0x7f0000000040)=0x8) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:58 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x401070c9) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) [ 724.883751] __kmalloc_node+0x38/0x70 [ 724.887567] blk_mq_alloc_tag_set+0x330/0xa30 [ 724.892093] loop_add+0x26d/0x8a0 [ 724.895562] loop_control_ioctl+0x16c/0x480 [ 724.899896] ? loop_lookup+0x1d0/0x1d0 [ 724.903794] ? HARDIRQ_verbose+0x10/0x10 [ 724.907871] ? loop_lookup+0x1d0/0x1d0 [ 724.911776] do_vfs_ioctl+0xcdb/0x12e0 [ 724.915679] ? selinux_file_ioctl+0x506/0x6c0 [ 724.920194] ? ioctl_preallocate+0x200/0x200 [ 724.924616] ? selinux_inode_link+0x20/0x20 [ 724.928951] ? __fget+0x356/0x510 [ 724.932450] ? do_dup2+0x450/0x450 [ 724.936001] ? vfs_write+0x393/0x540 [ 724.939736] ksys_ioctl+0x9b/0xc0 [ 724.943468] __x64_sys_ioctl+0x6f/0xb0 [ 724.947382] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 724.952033] do_syscall_64+0xf9/0x620 [ 724.955909] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 724.961107] RIP: 0033:0x45d5b9 [ 724.964308] Code: 5d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 724.983301] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 724.991015] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 724.998288] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 725.005565] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 725.012841] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 725.020146] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:52:58 executing program 4 (fault-call:2 fault-nth:2): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:52:58 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0x8138ae83, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 725.187583] block nbd5: Device being setup by another task [ 725.188975] FAULT_INJECTION: forcing a failure. [ 725.188975] name failslab, interval 1, probability 0, space 0, times 0 02:52:58 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0xe000000, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 725.285168] CPU: 1 PID: 8942 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 725.293018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 725.302373] Call Trace: [ 725.304972] dump_stack+0x1fc/0x2fe [ 725.308624] should_fail.cold+0xa/0x14 [ 725.312622] ? setup_fault_attr+0x200/0x200 [ 725.316954] ? lock_acquire+0x170/0x3c0 [ 725.320950] __should_failslab+0x115/0x180 [ 725.325195] should_failslab+0x5/0xf [ 725.328926] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 725.334048] __kmalloc_node+0x38/0x70 [ 725.337865] blk_mq_alloc_tag_set+0x3c2/0xa30 [ 725.342380] loop_add+0x26d/0x8a0 [ 725.345847] loop_control_ioctl+0x16c/0x480 [ 725.350177] ? loop_lookup+0x1d0/0x1d0 [ 725.354084] ? HARDIRQ_verbose+0x10/0x10 [ 725.358156] ? loop_lookup+0x1d0/0x1d0 [ 725.362052] do_vfs_ioctl+0xcdb/0x12e0 [ 725.365949] ? selinux_file_ioctl+0x506/0x6c0 [ 725.370452] ? ioctl_preallocate+0x200/0x200 [ 725.374867] ? selinux_inode_link+0x20/0x20 [ 725.379200] ? __fget+0x356/0x510 [ 725.382664] ? do_dup2+0x450/0x450 [ 725.386244] ? vfs_write+0x393/0x540 [ 725.389980] ksys_ioctl+0x9b/0xc0 [ 725.393447] __x64_sys_ioctl+0x6f/0xb0 [ 725.397340] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 725.401931] do_syscall_64+0xf9/0x620 [ 725.405747] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 725.410967] RIP: 0033:0x45d5b9 [ 725.414167] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 725.433071] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 725.440786] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 725.448080] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 725.455354] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 725.462625] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 [ 725.469895] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:52:58 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9], 0x0, 0x200}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:58 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x401070ca) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:52:58 executing program 4 (fault-call:2 fault-nth:3): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:52:58 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0x81a0ae8c, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 725.652777] FAULT_INJECTION: forcing a failure. [ 725.652777] name failslab, interval 1, probability 0, space 0, times 0 [ 725.692126] block nbd5: Device being setup by another task [ 725.703668] CPU: 1 PID: 8967 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 725.711479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 725.720862] Call Trace: [ 725.723460] dump_stack+0x1fc/0x2fe [ 725.727103] should_fail.cold+0xa/0x14 [ 725.731002] ? setup_fault_attr+0x200/0x200 [ 725.735338] ? lock_acquire+0x170/0x3c0 [ 725.739333] __should_failslab+0x115/0x180 [ 725.743581] should_failslab+0x5/0xf [ 725.747330] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 725.752456] blk_mq_init_tags+0x6a/0x2b0 [ 725.756537] blk_mq_alloc_rq_map+0x9d/0x230 [ 725.760872] __blk_mq_alloc_rq_map+0xa3/0x3b0 [ 725.765408] blk_mq_alloc_tag_set+0x589/0xa30 [ 725.769956] loop_add+0x26d/0x8a0 [ 725.773429] loop_control_ioctl+0x16c/0x480 [ 725.777778] ? loop_lookup+0x1d0/0x1d0 [ 725.781960] ? HARDIRQ_verbose+0x10/0x10 [ 725.786033] ? loop_lookup+0x1d0/0x1d0 [ 725.789986] do_vfs_ioctl+0xcdb/0x12e0 [ 725.793974] ? selinux_file_ioctl+0x506/0x6c0 [ 725.798501] ? ioctl_preallocate+0x200/0x200 [ 725.802921] ? selinux_inode_link+0x20/0x20 [ 725.807254] ? __fget+0x356/0x510 [ 725.810745] ? do_dup2+0x450/0x450 [ 725.814296] ? vfs_write+0x393/0x540 [ 725.818051] ksys_ioctl+0x9b/0xc0 [ 725.821514] __x64_sys_ioctl+0x6f/0xb0 [ 725.825408] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 725.830002] do_syscall_64+0xf9/0x620 [ 725.833816] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 725.839009] RIP: 0033:0x45d5b9 [ 725.842210] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 725.861149] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 725.871730] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 725.879002] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 725.886277] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 725.893551] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003 02:52:59 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0xe9a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 725.900823] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:52:59 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x401070cd) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) [ 726.002456] blk-mq: reduced tag depth (128 -> 64) 02:52:59 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x1) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x200a, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) bpf$BPF_PROG_QUERY(0x10, &(0x7f0000000040)={0xffffffffffffffff, 0xb, 0x0, 0xffffffff, &(0x7f0000000000)=[0x0, 0x0, 0x0, 0x0], 0x4}, 0x20) 02:52:59 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xc0045878, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:59 executing program 4 (fault-call:2 fault-nth:4): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) [ 726.169899] block nbd5: Device being setup by another task 02:52:59 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0xf000000, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:59 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x401870c8) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) [ 726.295393] FAULT_INJECTION: forcing a failure. [ 726.295393] name failslab, interval 1, probability 0, space 0, times 0 [ 726.318212] CPU: 1 PID: 9020 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 726.326048] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 726.335406] Call Trace: [ 726.338005] dump_stack+0x1fc/0x2fe [ 726.341648] should_fail.cold+0xa/0x14 02:52:59 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0xe, 0x80000000, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:52:59 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xc0045878, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 726.345556] ? setup_fault_attr+0x200/0x200 [ 726.349888] ? lock_acquire+0x170/0x3c0 [ 726.353881] __should_failslab+0x115/0x180 [ 726.358126] should_failslab+0x5/0xf [ 726.361861] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 726.366989] __kmalloc_node+0x38/0x70 [ 726.370800] sbitmap_init_node+0x123/0x440 [ 726.375052] sbitmap_queue_init_node+0x37/0x6c0 [ 726.379733] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 726.384771] blk_mq_init_tags+0x10d/0x2b0 [ 726.388948] blk_mq_alloc_rq_map+0x9d/0x230 [ 726.393313] __blk_mq_alloc_rq_map+0xa3/0x3b0 [ 726.397916] blk_mq_alloc_tag_set+0x589/0xa30 [ 726.402436] loop_add+0x26d/0x8a0 [ 726.405917] loop_control_ioctl+0x16c/0x480 [ 726.410250] ? loop_lookup+0x1d0/0x1d0 [ 726.414150] ? HARDIRQ_verbose+0x10/0x10 [ 726.418252] ? loop_lookup+0x1d0/0x1d0 [ 726.422153] do_vfs_ioctl+0xcdb/0x12e0 [ 726.426052] ? selinux_file_ioctl+0x506/0x6c0 [ 726.430590] ? ioctl_preallocate+0x200/0x200 [ 726.435012] ? selinux_inode_link+0x20/0x20 [ 726.439352] ? __fget+0x356/0x510 [ 726.442825] ? do_dup2+0x450/0x450 [ 726.446377] ? vfs_write+0x393/0x540 [ 726.450114] ksys_ioctl+0x9b/0xc0 [ 726.453591] __x64_sys_ioctl+0x6f/0xb0 [ 726.457491] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 726.462170] do_syscall_64+0xf9/0x620 [ 726.465988] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 726.471188] RIP: 0033:0x45d5b9 [ 726.474387] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 726.493325] RSP: 002b:00007f518f4d5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 726.501066] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 726.508342] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 726.515617] RBP: 00007f518f4d5ca0 R08: 0000000000000000 R09: 0000000000000000 [ 726.522906] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 726.530388] R13: 00007fff786094ff R14: 00007f518f4d69c0 R15: 000000000118cfec 02:52:59 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0xf9a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:52:59 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xc0189436, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 726.614678] blk-mq: reduced tag depth (128 -> 64) 02:52:59 executing program 4 (fault-call:2 fault-nth:5): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) [ 726.739055] block nbd5: Device being setup by another task 02:53:00 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x10000000, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 726.818448] FAULT_INJECTION: forcing a failure. [ 726.818448] name failslab, interval 1, probability 0, space 0, times 0 [ 726.889852] CPU: 0 PID: 9069 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 726.897714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 726.907077] Call Trace: [ 726.909697] dump_stack+0x1fc/0x2fe [ 726.913339] should_fail.cold+0xa/0x14 [ 726.917239] ? setup_fault_attr+0x200/0x200 [ 726.921570] ? lock_acquire+0x170/0x3c0 [ 726.925562] __should_failslab+0x115/0x180 [ 726.929808] should_failslab+0x5/0xf [ 726.933531] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 726.938649] sbitmap_queue_init_node+0x240/0x6c0 [ 726.943512] blk_mq_init_tags+0x10d/0x2b0 [ 726.947671] blk_mq_alloc_rq_map+0x9d/0x230 [ 726.952005] __blk_mq_alloc_rq_map+0xa3/0x3b0 [ 726.956516] blk_mq_alloc_tag_set+0x589/0xa30 [ 726.961028] loop_add+0x26d/0x8a0 [ 726.964497] loop_control_ioctl+0x16c/0x480 [ 726.968828] ? loop_lookup+0x1d0/0x1d0 [ 726.972728] ? HARDIRQ_verbose+0x10/0x10 [ 726.976826] ? loop_lookup+0x1d0/0x1d0 [ 726.980726] do_vfs_ioctl+0xcdb/0x12e0 [ 726.984628] ? selinux_file_ioctl+0x506/0x6c0 [ 726.989134] ? ioctl_preallocate+0x200/0x200 [ 726.993550] ? selinux_inode_link+0x20/0x20 [ 726.997904] ? __fget+0x356/0x510 [ 727.001366] ? do_dup2+0x450/0x450 [ 727.004911] ? vfs_write+0x393/0x540 [ 727.008643] ksys_ioctl+0x9b/0xc0 [ 727.012111] __x64_sys_ioctl+0x6f/0xb0 [ 727.016010] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 727.020602] do_syscall_64+0xf9/0x620 [ 727.024418] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 727.029610] RIP: 0033:0x45d5b9 [ 727.032824] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 727.051731] RSP: 002b:00007f518f4d5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 727.059470] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 727.066748] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 727.074024] RBP: 00007f518f4d5ca0 R08: 0000000000000000 R09: 0000000000000000 [ 727.081326] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005 02:53:00 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x401870cb) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:53:00 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xc018ae85, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 727.088623] R13: 00007fff786094ff R14: 00007f518f4d69c0 R15: 000000000118cfec [ 727.105587] blk-mq: reduced tag depth (128 -> 64) 02:53:00 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) getsockopt$inet_sctp_SCTP_AUTO_ASCONF(0xffffffffffffffff, 0x84, 0x1e, &(0x7f0000000000), &(0x7f0000000040)=0x4) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) syz_mount_image$afs(&(0x7f00000000c0)='afs\x00', &(0x7f0000000100)='./file0\x00', 0x1, 0x4, &(0x7f00000003c0)=[{&(0x7f0000000180)="1dc85402216264d6", 0x8, 0x7}, {&(0x7f0000000280)="b7cf6d2ab0daa2df5b56a8581eb46baf86aae7a2f078c462e135a9aaf12378b6474227e2ff3f1a69f031be861ecf9d85c17aaad3e1440a320c9c9b2431e17dbefbfbd950e998cf32a18e539d1a7c6207d25258aff3265ba577553b1b2d846f3b699ef89238b69b6d376b043935e0c314", 0x70, 0x7fffffff}, {&(0x7f0000000300)="d746796dcf568447668592affc4f6b80aa005c19", 0x14, 0x8000000000000000}, {&(0x7f0000000340)="d1c5b52b96b4ca4616a7eac3dda13fa9c53779d4e3a5575cff1f2381e6f4a7576612a9ef3fcdb1216b0ebbbaf39143464c666d56c864060f88d467a3bc8f153cfc6b41139f18c924ca8dea783d438ffadcafc83a3ecc85f8b185e8fda5", 0x5d, 0x7}], 0x0, &(0x7f0000000440)={[{@flock_strict='flock=strict'}, {@source={'source', 0x3d, '/dev/kvm\x00'}}, {@autocell='autocell'}, {@autocell='autocell'}, {@flock_local='flock=local'}, {@dyn='dyn'}, {@dyn='dyn'}, {@flock_strict='flock=strict'}, {@dyn='dyn'}, {@flock_write='flock=write'}], [{@defcontext={'defcontext', 0x3d, 'unconfined_u'}}]}) mq_getsetattr(r2, &(0x7f00000004c0)={0x8, 0xfffffffffffffeff, 0x5, 0x2}, &(0x7f0000000500)) perf_event_open(&(0x7f00000001c0)={0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x10028, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0xfffffffe, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='cgroup.controllers\x00', 0x100002, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r3, 0xc028660f, 0x0) ioctl$KVM_IRQ_LINE_STATUS(r3, 0xc008ae67, &(0x7f0000000540)={0x9, 0x4ec2}) ioctl$KVM_RUN(r2, 0xae80, 0x0) r4 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r4, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:00 executing program 4 (fault-call:2 fault-nth:6): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) [ 727.236132] block nbd5: Device being setup by another task 02:53:00 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x109a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:53:00 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xc020660b, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 727.381186] FAULT_INJECTION: forcing a failure. [ 727.381186] name failslab, interval 1, probability 0, space 0, times 0 [ 727.420062] CPU: 1 PID: 9109 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 727.427911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 727.437271] Call Trace: [ 727.439869] dump_stack+0x1fc/0x2fe [ 727.443512] should_fail.cold+0xa/0x14 [ 727.449760] ? setup_fault_attr+0x200/0x200 [ 727.454098] ? lock_acquire+0x170/0x3c0 [ 727.458097] __should_failslab+0x115/0x180 [ 727.462347] should_failslab+0x5/0xf [ 727.466072] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 727.471187] sbitmap_queue_init_node+0x240/0x6c0 [ 727.475966] blk_mq_init_tags+0x16f/0x2b0 [ 727.480130] blk_mq_alloc_rq_map+0x9d/0x230 [ 727.484472] __blk_mq_alloc_rq_map+0xa3/0x3b0 [ 727.488986] blk_mq_alloc_tag_set+0x589/0xa30 [ 727.493507] loop_add+0x26d/0x8a0 [ 727.496983] loop_control_ioctl+0x16c/0x480 [ 727.501319] ? loop_lookup+0x1d0/0x1d0 [ 727.505225] ? HARDIRQ_verbose+0x10/0x10 [ 727.509301] ? loop_lookup+0x1d0/0x1d0 [ 727.513269] do_vfs_ioctl+0xcdb/0x12e0 [ 727.517160] ? selinux_file_ioctl+0x506/0x6c0 [ 727.521687] ? ioctl_preallocate+0x200/0x200 [ 727.526097] ? selinux_inode_link+0x20/0x20 [ 727.530409] ? __fget+0x356/0x510 [ 727.533857] ? do_dup2+0x450/0x450 [ 727.537426] ? vfs_write+0x393/0x540 [ 727.541191] ksys_ioctl+0x9b/0xc0 [ 727.544635] __x64_sys_ioctl+0x6f/0xb0 [ 727.548511] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 727.553093] do_syscall_64+0xf9/0x620 [ 727.556895] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 727.562070] RIP: 0033:0x45d5b9 02:53:00 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x119a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 727.565256] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 727.584142] RSP: 002b:00007f518f4d5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 727.591834] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 727.599087] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 727.606356] RBP: 00007f518f4d5ca0 R08: 0000000000000000 R09: 0000000000000000 [ 727.613609] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000006 [ 727.620880] R13: 00007fff786094ff R14: 00007f518f4d69c0 R15: 000000000118cfec 02:53:00 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x401870cc) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:53:01 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x2) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 727.794804] blk-mq: reduced tag depth (128 -> 64) 02:53:01 executing program 4 (fault-call:2 fault-nth:7): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:53:01 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) setsockopt$netlink_NETLINK_DROP_MEMBERSHIP(r1, 0x10e, 0x2, &(0x7f0000000000)=0x1e, 0x4) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:01 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x3) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 727.966990] block nbd5: Device being setup by another task [ 728.047731] FAULT_INJECTION: forcing a failure. [ 728.047731] name failslab, interval 1, probability 0, space 0, times 0 [ 728.089579] CPU: 0 PID: 9161 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 728.097406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 728.106766] Call Trace: [ 728.109369] dump_stack+0x1fc/0x2fe [ 728.113057] should_fail.cold+0xa/0x14 [ 728.116966] ? setup_fault_attr+0x200/0x200 [ 728.121304] ? __lockdep_init_map+0x100/0x5a0 [ 728.125821] __should_failslab+0x115/0x180 [ 728.130068] should_failslab+0x5/0xf [ 728.133792] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 728.138922] __kmalloc_node+0x38/0x70 [ 728.142735] blk_mq_alloc_rq_map+0xdf/0x230 [ 728.147071] __blk_mq_alloc_rq_map+0xa3/0x3b0 [ 728.151583] blk_mq_alloc_tag_set+0x589/0xa30 [ 728.156190] loop_add+0x26d/0x8a0 [ 728.159659] loop_control_ioctl+0x16c/0x480 [ 728.163994] ? loop_lookup+0x1d0/0x1d0 [ 728.167897] ? HARDIRQ_verbose+0x10/0x10 [ 728.171978] ? loop_lookup+0x1d0/0x1d0 [ 728.175879] do_vfs_ioctl+0xcdb/0x12e0 [ 728.179787] ? selinux_file_ioctl+0x506/0x6c0 [ 728.184292] ? ioctl_preallocate+0x200/0x200 [ 728.188710] ? selinux_inode_link+0x20/0x20 [ 728.193045] ? __fget+0x356/0x510 [ 728.196535] ? do_dup2+0x450/0x450 [ 728.200085] ? vfs_write+0x393/0x540 [ 728.203823] ksys_ioctl+0x9b/0xc0 [ 728.207291] __x64_sys_ioctl+0x6f/0xb0 [ 728.211196] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 728.215790] do_syscall_64+0xf9/0x620 [ 728.219607] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 728.224837] RIP: 0033:0x45d5b9 [ 728.228067] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 728.246979] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 728.254697] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 728.261974] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 728.269250] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 728.276526] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000007 02:53:01 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x12000000, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 728.283803] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:01 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x4020940d) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:53:01 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x4) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:01 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) prctl$PR_GET_NO_NEW_PRIVS(0x27) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 728.387261] blk-mq: reduced tag depth (128 -> 64) 02:53:01 executing program 4 (fault-call:2 fault-nth:8): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) [ 728.542825] block nbd5: Device being setup by another task 02:53:01 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x129a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:53:01 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$EVIOCSREP(r0, 0x40084503, &(0x7f0000000000)=[0x2, 0x6]) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:01 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x80081270) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:53:01 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x5) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 728.677346] FAULT_INJECTION: forcing a failure. [ 728.677346] name failslab, interval 1, probability 0, space 0, times 0 [ 728.752012] CPU: 1 PID: 9215 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 728.759867] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 728.769230] Call Trace: [ 728.771833] dump_stack+0x1fc/0x2fe [ 728.775483] should_fail.cold+0xa/0x14 [ 728.779387] ? setup_fault_attr+0x200/0x200 [ 728.783730] ? __lockdep_init_map+0x100/0x5a0 [ 728.789032] __should_failslab+0x115/0x180 [ 728.793281] should_failslab+0x5/0xf [ 728.797013] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 728.802166] __kmalloc_node+0x38/0x70 [ 728.805987] blk_mq_alloc_rq_map+0x120/0x230 [ 728.810412] __blk_mq_alloc_rq_map+0xa3/0x3b0 [ 728.814935] blk_mq_alloc_tag_set+0x589/0xa30 [ 728.819456] loop_add+0x26d/0x8a0 [ 728.822937] loop_control_ioctl+0x16c/0x480 [ 728.827296] ? loop_lookup+0x1d0/0x1d0 [ 728.831199] ? HARDIRQ_verbose+0x10/0x10 [ 728.835296] ? loop_lookup+0x1d0/0x1d0 [ 728.839221] do_vfs_ioctl+0xcdb/0x12e0 [ 728.843125] ? selinux_file_ioctl+0x506/0x6c0 [ 728.847651] ? ioctl_preallocate+0x200/0x200 [ 728.852073] ? selinux_inode_link+0x20/0x20 [ 728.856408] ? __fget+0x356/0x510 [ 728.859883] ? do_dup2+0x450/0x450 [ 728.863449] ? vfs_write+0x393/0x540 [ 728.867190] ksys_ioctl+0x9b/0xc0 [ 728.870833] __x64_sys_ioctl+0x6f/0xb0 [ 728.874829] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 728.879420] do_syscall_64+0xf9/0x620 [ 728.883240] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 728.888462] RIP: 0033:0x45d5b9 [ 728.891666] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 728.910608] RSP: 002b:00007f518f4d5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 728.918345] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 728.925617] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 728.932891] RBP: 00007f518f4d5ca0 R08: 0000000000000000 R09: 0000000000000000 [ 728.940164] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000008 02:53:02 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x6) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 728.947465] R13: 00007fff786094ff R14: 00007f518f4d69c0 R15: 000000000118cfec [ 728.978420] blk-mq: reduced tag depth (128 -> 64) 02:53:02 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x139a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:53:02 executing program 4 (fault-call:2 fault-nth:9): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:53:02 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x10200, 0x7, 0x1, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='net/ipx\x00') getuid() syz_genetlink_get_family_id$l2tp(&(0x7f0000000000)='l2tp\x00') writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 729.119721] block nbd5: Device being setup by another task 02:53:02 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x7) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:02 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x149a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 729.220498] FAULT_INJECTION: forcing a failure. [ 729.220498] name fail_page_alloc, interval 1, probability 0, space 0, times 0 02:53:02 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$DRM_IOCTL_WAIT_VBLANK(0xffffffffffffffff, 0xc018643a, &(0x7f0000000000)={0x3e, 0x10001, 0x2f}) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 729.336120] CPU: 1 PID: 9272 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 729.344005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 729.353351] Call Trace: [ 729.355952] dump_stack+0x1fc/0x2fe [ 729.359595] should_fail.cold+0xa/0x14 [ 729.363496] ? setup_fault_attr+0x200/0x200 [ 729.367841] __alloc_pages_nodemask+0x239/0x2890 [ 729.372607] ? kasan_kmalloc+0x139/0x160 [ 729.376679] ? __kmalloc_node+0x4c/0x70 [ 729.380663] ? blk_mq_alloc_rq_map+0x120/0x230 [ 729.385252] ? __blk_mq_alloc_rq_map+0xa3/0x3b0 [ 729.389934] ? blk_mq_alloc_tag_set+0x589/0xa30 [ 729.394613] ? loop_add+0x26d/0x8a0 [ 729.398248] ? loop_control_ioctl+0x16c/0x480 [ 729.402752] ? do_vfs_ioctl+0xcdb/0x12e0 [ 729.406824] ? do_syscall_64+0xf9/0x620 [ 729.410809] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 729.416190] ? should_fail+0x142/0x7b0 [ 729.420083] ? fs_reclaim_release+0xd0/0x110 [ 729.424504] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 729.429379] ? setup_fault_attr+0x200/0x200 [ 729.433719] ? lock_acquire+0x170/0x3c0 [ 729.437705] ? check_preemption_disabled+0x41/0x280 [ 729.442737] ? should_fail+0x142/0x7b0 [ 729.446635] ? setup_fault_attr+0x200/0x200 [ 729.450990] ? __lockdep_init_map+0x100/0x5a0 [ 729.455494] ? find_next_bit+0x105/0x130 [ 729.459588] ? __cpu_to_node+0x7b/0xa0 [ 729.463484] ? blk_mq_hw_queue_to_node+0xc1/0x100 [ 729.468350] blk_mq_alloc_rqs+0x242/0x800 [ 729.472517] ? blk_mq_alloc_rq_map+0xaa/0x230 [ 729.477032] __blk_mq_alloc_rq_map+0x15b/0x3b0 [ 729.481633] blk_mq_alloc_tag_set+0x589/0xa30 [ 729.486168] loop_add+0x26d/0x8a0 [ 729.489637] loop_control_ioctl+0x16c/0x480 [ 729.493971] ? loop_lookup+0x1d0/0x1d0 [ 729.497893] ? HARDIRQ_verbose+0x10/0x10 [ 729.501968] ? loop_lookup+0x1d0/0x1d0 [ 729.505868] do_vfs_ioctl+0xcdb/0x12e0 [ 729.509781] ? selinux_file_ioctl+0x506/0x6c0 [ 729.514288] ? ioctl_preallocate+0x200/0x200 [ 729.518707] ? selinux_inode_link+0x20/0x20 [ 729.523037] ? __fget+0x356/0x510 [ 729.526503] ? do_dup2+0x450/0x450 [ 729.530051] ? vfs_write+0x393/0x540 [ 729.533789] ksys_ioctl+0x9b/0xc0 [ 729.537261] __x64_sys_ioctl+0x6f/0xb0 [ 729.541159] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 729.545755] do_syscall_64+0xf9/0x620 [ 729.549573] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 729.554769] RIP: 0033:0x45d5b9 [ 729.558055] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 729.577657] RSP: 002b:00007f518f4d5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 02:53:02 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x80081272) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) [ 729.585372] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 729.592646] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 729.599922] RBP: 00007f518f4d5ca0 R08: 0000000000000000 R09: 0000000000000000 [ 729.607197] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000009 [ 729.614471] R13: 00007fff786094ff R14: 00007f518f4d69c0 R15: 000000000118cfec 02:53:02 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x8) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:03 executing program 4 (fault-call:2 fault-nth:10): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) [ 729.805995] block nbd5: Device being setup by another task 02:53:03 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x159a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:53:03 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x80086601) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) [ 729.953692] FAULT_INJECTION: forcing a failure. [ 729.953692] name failslab, interval 1, probability 0, space 0, times 0 [ 729.986792] CPU: 1 PID: 9313 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 729.994671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 02:53:03 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') sendmsg$nl_generic(r2, &(0x7f00000000c0)={&(0x7f0000000000)={0x10, 0x0, 0x0, 0x1000}, 0xc, &(0x7f0000000040)={&(0x7f0000000280)={0x328, 0x1a, 0x318, 0x70bd29, 0x25dfdbfb, {0x8}, [@nested={0x250, 0x6d, 0x0, 0x1, [@generic="db0d6edd3fa388dcdcb2d50fe9452e6ae6f74b657ef0fd7d02873fffbea9020ec4f84c57ea2b26bce7faaecf15c51eb322ff540f138eb3ca16e7f1778fd510be535f40d5c54442deb01762dd1ea87769994ad901925abbc2981da7718187226a1a84360b259a19baf6b7c268e36a8f130c38f6a8bdb54ac06f3f4c4d42e610931a176930cfc17ccf4fdcc1f5ad1ded16f3ed5c031904b102cb55f17288592e", @generic="5de9e0b227d7b9e42b19976c26576271e1fe715b2ebca622bd8bbaa1e32469d6bc82a0699da5f1f5cd75ffab86962f6c9a16ae2db1053bcf42df597e2c3d8b9045ff113941cd701bb9b805c58d03edcc17c2057835e87df6bf82b448ea2b5bf8778edd3d82d367803b7d792dff36272420d26b4815c91f57f96fd76e165148c79d6b8b1521fa20398bed531f3ffa7cb6243557", @generic="a17ea3b8dc9ac7eea88d831c21c5f61b3dac5e62c514bdfc155f7ed612f4a98d2683c09554a89e90c75728b8577fb16efe9309953e55aa328dc0d8d2271829835a00f5576c1489c9a976cc6ab8138d341e0722a6fa12672e543281daf2c25aad0dbc6f21122094b41977a23838754034e2ce3574402a2b09579293b7fc80b9229be7b7dbaf924d0d8398edd95edeaca49dd097e06acb11530b70a607789888a2041428dfc44ca75e76995e15311271fadbd74eac0ab2d958fea71039e8839c087e6346fda8a51e95a1c27cbd81b82b04bac0baa92ac490f3975f61dd70a86f6900c5023fb9101c4b3206e03cd358a8ad98a232b06098", @typed={0xd, 0x95, 0x0, 0x0, @str='/dev/kvm\x00'}, @typed={0x14, 0x42, 0x0, 0x0, @ipv6=@private0}]}, @nested={0xc4, 0x1f, 0x0, 0x1, [@typed={0x4, 0x10}, @generic="a6a955fcb3f53d92c73e40636e2bd918c2fe4dd4117d08d00b1c8ac7acc9fd85e0f86bdea41c107fb17b0bd0ba8e9407471e34a10ac570998ec98a892dfef2793492f437d8528a3fb7fc6294468e8d9eb851153aafd95d509b453fa659457941ab8ea89e1be3ea1ed9c67b5e2c6a75a076c9f568d77fc50ad6fcb2629a4cd29c7719e3153d50cd4ad60539c735eb5c90f0ec0f5a55ecaa7dde69cffd810783c0ed18af74d227784b754a0de9faca53e102470d4e615fce3a01ea3fa6"]}]}, 0x328}, 0x1, 0x0, 0x0, 0x8004}, 0x24000010) getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 730.004036] Call Trace: [ 730.006638] dump_stack+0x1fc/0x2fe [ 730.010283] should_fail.cold+0xa/0x14 [ 730.014205] ? setup_fault_attr+0x200/0x200 [ 730.018537] ? lock_acquire+0x170/0x3c0 [ 730.022537] __should_failslab+0x115/0x180 [ 730.026784] should_failslab+0x5/0xf [ 730.030512] kmem_cache_alloc_node+0x245/0x3b0 [ 730.035110] blk_alloc_queue_node+0x32/0xb90 [ 730.039529] blk_mq_init_queue+0x44/0xa0 [ 730.043603] loop_add+0x2cb/0x8a0 [ 730.047069] loop_control_ioctl+0x16c/0x480 [ 730.051401] ? loop_lookup+0x1d0/0x1d0 [ 730.055339] ? HARDIRQ_verbose+0x10/0x10 [ 730.059420] ? loop_lookup+0x1d0/0x1d0 [ 730.063322] do_vfs_ioctl+0xcdb/0x12e0 [ 730.067223] ? selinux_file_ioctl+0x506/0x6c0 [ 730.071730] ? ioctl_preallocate+0x200/0x200 [ 730.076151] ? selinux_inode_link+0x20/0x20 [ 730.080487] ? __fget+0x356/0x510 [ 730.083954] ? do_dup2+0x450/0x450 [ 730.087503] ? vfs_write+0x393/0x540 [ 730.091243] ksys_ioctl+0x9b/0xc0 [ 730.094710] __x64_sys_ioctl+0x6f/0xb0 [ 730.098612] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 730.103206] do_syscall_64+0xf9/0x620 [ 730.107031] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 730.112230] RIP: 0033:0x45d5b9 [ 730.115433] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 730.134350] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 730.142071] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 02:53:03 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x9) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 730.149345] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 730.156622] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 730.163895] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000a [ 730.171177] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:03 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x169a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:53:03 executing program 4 (fault-call:2 fault-nth:11): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:53:03 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0xa) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 730.353828] block nbd5: Device being setup by another task [ 730.391750] FAULT_INJECTION: forcing a failure. [ 730.391750] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 730.403588] CPU: 0 PID: 9352 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 730.411391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 730.420756] Call Trace: [ 730.423351] dump_stack+0x1fc/0x2fe [ 730.426997] should_fail.cold+0xa/0x14 [ 730.430898] ? setup_fault_attr+0x200/0x200 [ 730.435226] ? check_preemption_disabled+0x41/0x280 [ 730.440263] __alloc_pages_nodemask+0x239/0x2890 [ 730.445317] ? __alloc_pages_nodemask+0x1b43/0x2890 [ 730.450703] ? kasan_kmalloc+0x139/0x160 [ 730.454989] ? __lock_acquire+0x6de/0x3ff0 [ 730.459242] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 730.464212] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 730.469166] ? setup_fault_attr+0x200/0x200 [ 730.473697] ? check_preemption_disabled+0x41/0x280 [ 730.478964] ? perf_trace_lock+0xe2/0x4b0 [ 730.483464] ? perf_trace_lock_acquire+0xef/0x530 [ 730.488819] ? perf_trace_lock_acquire+0x530/0x530 [ 730.494077] ? HARDIRQ_verbose+0x10/0x10 [ 730.498628] ? __cpu_to_node+0x7b/0xa0 [ 730.502735] cache_grow_begin+0xa4/0x8a0 [ 730.506940] ? setup_fault_attr+0x200/0x200 [ 730.511382] ? cache_alloc_pfmemalloc+0x1e/0x140 [ 730.516485] cache_alloc_refill+0x273/0x340 [ 730.521130] kmem_cache_alloc_node+0x39e/0x3b0 [ 730.526039] blk_alloc_queue_node+0x32/0xb90 [ 730.530671] blk_mq_init_queue+0x44/0xa0 [ 730.534964] loop_add+0x2cb/0x8a0 [ 730.538837] loop_control_ioctl+0x16c/0x480 [ 730.543471] ? loop_lookup+0x1d0/0x1d0 [ 730.547650] ? HARDIRQ_verbose+0x10/0x10 [ 730.552192] ? loop_lookup+0x1d0/0x1d0 [ 730.556744] do_vfs_ioctl+0xcdb/0x12e0 [ 730.561284] ? selinux_file_ioctl+0x506/0x6c0 [ 730.566028] ? ioctl_preallocate+0x200/0x200 [ 730.570740] ? selinux_inode_link+0x20/0x20 [ 730.575284] ? __fget+0x356/0x510 [ 730.579653] ? do_dup2+0x450/0x450 [ 730.583637] ? vfs_write+0x393/0x540 [ 730.587732] ksys_ioctl+0x9b/0xc0 [ 730.591200] __x64_sys_ioctl+0x6f/0xb0 [ 730.595201] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 730.600024] do_syscall_64+0xf9/0x620 [ 730.603839] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 730.609489] RIP: 0033:0x45d5b9 [ 730.613131] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 730.632575] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 730.640742] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 730.648418] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 730.656269] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 730.663781] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000b [ 730.671390] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:04 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x179a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:53:04 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0xb) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:04 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0x80087601) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:53:04 executing program 4 (fault-call:2 fault-nth:12): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) [ 730.960253] block nbd5: Device being setup by another task 02:53:04 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x189a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:53:04 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0xc) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 731.083758] FAULT_INJECTION: forcing a failure. [ 731.083758] name failslab, interval 1, probability 0, space 0, times 0 [ 731.181577] CPU: 1 PID: 9396 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 731.189411] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 731.198768] Call Trace: [ 731.201370] dump_stack+0x1fc/0x2fe [ 731.205017] should_fail.cold+0xa/0x14 [ 731.208925] ? setup_fault_attr+0x200/0x200 [ 731.213260] ? lock_acquire+0x170/0x3c0 [ 731.217258] __should_failslab+0x115/0x180 [ 731.221503] should_failslab+0x5/0xf [ 731.225233] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 731.230354] __kmalloc_node+0x38/0x70 [ 731.234171] ? mempool_free+0x370/0x370 [ 731.238155] mempool_init_node+0x137/0x6c0 [ 731.242417] ? mempool_alloc+0x350/0x350 [ 731.246490] ? mempool_free+0x370/0x370 [ 731.250469] mempool_init+0x38/0x50 [ 731.254108] bioset_init+0x327/0x810 [ 731.257830] ? kmem_cache_alloc_node+0x351/0x3b0 [ 731.262595] blk_alloc_queue_node+0x189/0xb90 [ 731.267101] blk_mq_init_queue+0x44/0xa0 [ 731.271169] loop_add+0x2cb/0x8a0 [ 731.274631] loop_control_ioctl+0x16c/0x480 02:53:04 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) openat$cgroup_ro(0xffffffffffffffff, &(0x7f0000000000)='memory.swap.current\x00', 0x0, 0x0) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:04 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xc0045878) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) [ 731.278961] ? loop_lookup+0x1d0/0x1d0 [ 731.282856] ? HARDIRQ_verbose+0x10/0x10 [ 731.286928] ? loop_lookup+0x1d0/0x1d0 [ 731.290827] do_vfs_ioctl+0xcdb/0x12e0 [ 731.294727] ? selinux_file_ioctl+0x506/0x6c0 [ 731.299236] ? ioctl_preallocate+0x200/0x200 [ 731.303656] ? selinux_inode_link+0x20/0x20 [ 731.308012] ? __fget+0x356/0x510 [ 731.311481] ? do_dup2+0x450/0x450 [ 731.316427] ? vfs_write+0x393/0x540 [ 731.320165] ksys_ioctl+0x9b/0xc0 [ 731.323628] __x64_sys_ioctl+0x6f/0xb0 [ 731.327705] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 731.332294] do_syscall_64+0xf9/0x620 [ 731.336107] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 731.341297] RIP: 0033:0x45d5b9 [ 731.344493] Code: 5d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 731.363393] RSP: 002b:00007f518f4d5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 731.371106] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 731.378381] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 731.385651] RBP: 00007f518f4d5ca0 R08: 0000000000000000 R09: 0000000000000000 [ 731.392922] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000c [ 731.400191] R13: 00007fff786094ff R14: 00007f518f4d69c0 R15: 000000000118cfec 02:53:04 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0xd) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:04 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x199a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:53:04 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0xe) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:04 executing program 4 (fault-call:2 fault-nth:13): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) [ 731.563969] block nbd5: Device being setup by another task [ 731.764580] FAULT_INJECTION: forcing a failure. [ 731.764580] name failslab, interval 1, probability 0, space 0, times 0 02:53:05 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x1a9a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 731.830582] CPU: 1 PID: 9446 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 731.838423] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 731.847781] Call Trace: [ 731.850383] dump_stack+0x1fc/0x2fe [ 731.854037] should_fail.cold+0xa/0x14 [ 731.857950] ? setup_fault_attr+0x200/0x200 [ 731.862283] ? lock_acquire+0x170/0x3c0 [ 731.866274] ? mempool_free+0x370/0x370 [ 731.870258] ? mempool_free+0x370/0x370 [ 731.874243] __should_failslab+0x115/0x180 [ 731.878484] should_failslab+0x5/0xf [ 731.882204] kmem_cache_alloc+0x277/0x370 [ 731.886363] ? mempool_alloc+0x350/0x350 [ 731.890439] ? mempool_free+0x370/0x370 [ 731.894430] mempool_init_node+0x2d0/0x6c0 [ 731.898703] ? mempool_alloc+0x350/0x350 [ 731.902769] ? mempool_free+0x370/0x370 [ 731.906764] mempool_init+0x38/0x50 [ 731.910404] bioset_init+0x327/0x810 [ 731.914134] ? kmem_cache_alloc_node+0x351/0x3b0 [ 731.918904] blk_alloc_queue_node+0x189/0xb90 [ 731.923416] blk_mq_init_queue+0x44/0xa0 [ 731.927493] loop_add+0x2cb/0x8a0 02:53:05 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = socket(0x1e, 0x2, 0x0) bind(r2, &(0x7f0000d80f80)=@generic={0x1e, "0103000000000000000000000000000009a979f321b30c7bc8790405c7bad62e0a43a632ed4938d36d73fb8f8401a3ff59829a2b0afe7ce43a4b2470a0c5216669ca021f6f65dcf160e7e58f358c0002f0000158d19bcb31f1314a8ef151622ca5bdb9c8ead2000077aeb81c90001d6d7c980ee590c8b9f70dc136cb184a"}, 0x80) bind$tipc(r2, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x0, 0x0, 0x4}}, 0x10) sendmsg$TIPC_CMD_SHOW_LINK_STATS(r2, &(0x7f0000000180)={&(0x7f0000000040)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000100)={&(0x7f00000000c0)={0x28, 0x0, 0x300, 0x70bd29, 0x25dfdbfc, {{}, {}, {0xc, 0x14, 'syz1\x00'}}, ["", "", "", ""]}, 0x28}, 0x1, 0x0, 0x0, 0x4080}, 0x8000) r3 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r3, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r3, 0xae80, 0x0) sendmsg$TIPC_NL_PUBL_GET(r2, &(0x7f0000000600)={&(0x7f0000000280)={0x10, 0x0, 0x0, 0x8000000}, 0xc, &(0x7f00000005c0)={&(0x7f00000002c0)={0x2c4, 0x0, 0x400, 0x70bd25, 0x25dfdbfb, {}, [@TIPC_NLA_MON={0x4}, @TIPC_NLA_LINK={0x1c, 0x4, 0x0, 0x1, [@TIPC_NLA_LINK_NAME={0x9, 0x1, 'syz1\x00'}, @TIPC_NLA_LINK_NAME={0x9, 0x1, 'syz0\x00'}]}, @TIPC_NLA_MEDIA={0x9c, 0x5, 0x0, 0x1, [@TIPC_NLA_MEDIA_PROP={0x1c, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_WIN={0x8, 0x3, 0x7a45d33}, @TIPC_NLA_PROP_PRIO={0x8, 0x1, 0xc}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x188}]}, @TIPC_NLA_MEDIA_PROP={0x3c, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_PRIO={0x8, 0x1, 0xd}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x2}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0x5}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0x9}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x6}, @TIPC_NLA_PROP_WIN={0x8, 0x3, 0x5}, @TIPC_NLA_PROP_TOL={0x8}]}, @TIPC_NLA_MEDIA_PROP={0xc, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_MTU={0x8}]}, @TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'udp\x00'}, @TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'udp\x00'}, @TIPC_NLA_MEDIA_NAME={0x8, 0x1, 'udp\x00'}, @TIPC_NLA_MEDIA_PROP={0x1c, 0x2, 0x0, 0x1, [@TIPC_NLA_PROP_WIN={0x8, 0x3, 0xfffffff7}, @TIPC_NLA_PROP_MTU={0x8, 0x4, 0xffffff5f}, @TIPC_NLA_PROP_TOL={0x8, 0x2, 0x800}]}]}, @TIPC_NLA_NODE={0x1c8, 0x6, 0x0, 0x1, [@TIPC_NLA_NODE_KEY={0x49, 0x4, {'gcm(aes)\x00', 0x21, "2d14df4f36bfa5980f2dfa4d2b9138265046fdf7cffd85e7365b0fa8adec8a4467"}}, @TIPC_NLA_NODE_KEY={0x3e, 0x4, {'gcm(aes)\x00', 0x16, "d7c396983deb0b05a9bee1027c1ae22c0e168dcf0a68"}}, @TIPC_NLA_NODE_KEY={0x44, 0x4, {'gcm(aes)\x00', 0x1c, "89fefe2696dacc6638b4bf15ae15a1ce17c9b64ecd89480220388e5b"}}, @TIPC_NLA_NODE_ID={0x68, 0x3, "b12d2224ebefebcc0ccabbe244acf1835f004e59474ff0e5df49fa81268f91a8a03805ba27574751c2bde37a419f4538ee40fbbd12ce72d9a91be53a78922c2853d3cc2d9a78fcc1fe791349f3d8a059ed5bbfaf40f89203dbb1c7eae7bf36d3c33a16ae"}, @TIPC_NLA_NODE_ID={0x8b, 0x3, "b24e4d6ced8e91ad21a7f815281a9dfb595734a8c8583da9907993bb5ce26e52d5408f984a403c2363696526bc172ea326e3506a5f902fac03cd838edcacd11767e2ad2afe873922e785a051131a0054173a9decbd4b71fbc33c4ab1e3d23ae31b4c732f1a0ba2040ddbd48dd632b6f61d9715f682a606736fbfe4e85d9f9ba97874e3ac461f8a"}]}, @TIPC_NLA_MON={0x2c, 0x9, 0x0, 0x1, [@TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0x40}, @TIPC_NLA_MON_REF={0x8, 0x2, 0x79}, @TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0x401}, @TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0x2}, @TIPC_NLA_MON_ACTIVATION_THRESHOLD={0x8, 0x1, 0xfffffff7}]}]}, 0x2c4}, 0x1, 0x0, 0x0, 0x48000}, 0x4) r4 = perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) ioctl$PERF_EVENT_IOC_QUERY_BPF(r4, 0xc008240a, &(0x7f0000000000)={0x3, 0x0, [0x0, 0x0, 0x0]}) r5 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r5, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 731.930958] loop_control_ioctl+0x16c/0x480 [ 731.935289] ? loop_lookup+0x1d0/0x1d0 [ 731.939190] ? HARDIRQ_verbose+0x10/0x10 [ 731.943284] ? e1000_resume+0x370/0x410 [ 731.947270] ? loop_lookup+0x1d0/0x1d0 [ 731.951172] do_vfs_ioctl+0xcdb/0x12e0 [ 731.955073] ? selinux_file_ioctl+0x506/0x6c0 [ 731.959598] ? ioctl_preallocate+0x200/0x200 [ 731.964018] ? selinux_inode_link+0x20/0x20 [ 731.968349] ? __fget+0x356/0x510 [ 731.971811] ? do_dup2+0x450/0x450 [ 731.975359] ? vfs_write+0x393/0x540 [ 731.979091] ksys_ioctl+0x9b/0xc0 [ 731.982560] __x64_sys_ioctl+0x6f/0xb0 [ 731.986459] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 731.991080] do_syscall_64+0xf9/0x620 [ 731.994900] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 732.000092] RIP: 0033:0x45d5b9 [ 732.003313] Code: 5d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 732.022225] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 02:53:05 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xc0045878) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) [ 732.029963] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 732.037257] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 732.044526] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 732.051797] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000d [ 732.059070] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:05 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0xf) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:05 executing program 4 (fault-call:2 fault-nth:14): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:53:05 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x10) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 732.312159] FAULT_INJECTION: forcing a failure. [ 732.312159] name failslab, interval 1, probability 0, space 0, times 0 [ 732.342012] block nbd5: Device being setup by another task 02:53:05 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x1b9a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 732.399541] CPU: 1 PID: 9483 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 732.407391] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 732.416781] Call Trace: [ 732.419376] dump_stack+0x1fc/0x2fe [ 732.423038] should_fail.cold+0xa/0x14 [ 732.426936] ? setup_fault_attr+0x200/0x200 [ 732.431267] ? lock_acquire+0x170/0x3c0 [ 732.435255] __should_failslab+0x115/0x180 [ 732.439498] should_failslab+0x5/0xf [ 732.443222] kmem_cache_alloc+0x277/0x370 02:53:05 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$DRM_IOCTL_MODE_CREATE_LEASE(0xffffffffffffffff, 0xc01864c6, &(0x7f00000000c0)={&(0x7f0000000040)=[0xe591, 0x1, 0x1ba, 0x4, 0x40, 0x8000], 0x6, 0x80c00, 0x0, 0xffffffffffffffff}) ioctl$KVM_SET_USER_MEMORY_REGION(r3, 0x4020ae46, &(0x7f0000bf7000)={0x1fd, 0x3, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$TIOCL_UNBLANKSCREEN(0xffffffffffffffff, 0x541c, &(0x7f0000000000)) r4 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') r5 = openat$vcsa(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vcsa\x00', 0x503001, 0x0) setsockopt$inet_sctp_SCTP_RESET_ASSOC(r5, 0x84, 0x78, &(0x7f0000000180), 0x4) syz_mount_image$ext4(&(0x7f0000000280)='ext2\x00', &(0x7f00000002c0)='./file0\x00', 0x800, 0xa, &(0x7f00000006c0)=[{&(0x7f0000000a40)="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0x1000, 0x4}, {&(0x7f0000000500)="4b68e0eb26d871d63d44bed59079eaa80c518a8fa79187cba2fb7222ba963608ab7f483c4908d6fb8d13009fd34158c5b6103f2c5870363eb9d8b62cf03f6744feb6b3337dc830b68cb4b8793352d47c04bc7455e7e79ef60256723c795fecb87dec91dd60d4c57478a103e36833913482ccc18e8f800c8e88b6e71f889fe03ca3075a55074161f6ec26beea76deb0b247d6de54dc45938c0fd69e0cc8cd9cddea9ddd7d29faf6a49a223790bfcb4d3f6d9d25245430a6d9e0123a08777e518e6d81e20dab2e4e11c0e1f154eef9e8", 0xcf, 0x9}, {&(0x7f0000000600)="1c3af6de9018a4c0fa830810844d9d7459a5d2032ee8f264eac06b090fbf1136099be0a451037b8dabe8cac41e83c4bce69f", 0x32, 0xfff}, {&(0x7f0000000640)="5fc2752450c360bfb1664314e84c7532fc60c5d5667f559620adf01f6534beebbd5942c7e315f727aafa6170403c3a731c0f3fc6e3477a8d9eb907479dbc21ff894ba93c86b310cce846d4e93868e0e8ddf9488f5db5d7abcb1d437d926cacd647ea24f966d1e94150482b6ac5375ec368489edc216fdf75494e44b9", 0x7c, 0x32eb}], 0x0, &(0x7f00000007c0)={[{@auto_da_alloc_val={'auto_da_alloc', 0x3d, 0x4}}, {@auto_da_alloc_val={'auto_da_alloc', 0x3d, 0x63}}, {@lazytime='lazytime'}, {@jqfmt_vfsv0='jqfmt=vfsv0'}, {@delalloc='delalloc'}, {@grpid='grpid'}, {@journal_checksum='journal_checksum'}, {@noinit_itable='noinit_itable'}, {@noacl='noacl'}], [{@appraise_type='appraise_type=imasig'}, {@appraise_type='appraise_type=imasig'}, {@dont_hash='dont_hash'}, {@appraise='appraise'}, {@defcontext={'defcontext', 0x3d, 'staff_u'}}]}) getuid() writev(r4, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 732.447385] ? mempool_alloc+0x350/0x350 [ 732.453104] mempool_init_node+0x2d0/0x6c0 [ 732.457354] ? mempool_alloc+0x350/0x350 [ 732.461429] ? mempool_free+0x370/0x370 [ 732.465434] mempool_init+0x38/0x50 [ 732.469074] bioset_init+0x327/0x810 [ 732.472826] ? kmem_cache_alloc_node+0x351/0x3b0 [ 732.477593] blk_alloc_queue_node+0x189/0xb90 [ 732.482104] blk_mq_init_queue+0x44/0xa0 [ 732.486174] loop_add+0x2cb/0x8a0 [ 732.489641] loop_control_ioctl+0x16c/0x480 [ 732.493974] ? loop_lookup+0x1d0/0x1d0 [ 732.497872] ? HARDIRQ_verbose+0x10/0x10 [ 732.501944] ? loop_lookup+0x1d0/0x1d0 [ 732.505842] do_vfs_ioctl+0xcdb/0x12e0 [ 732.509744] ? selinux_file_ioctl+0x506/0x6c0 [ 732.514249] ? ioctl_preallocate+0x200/0x200 [ 732.518666] ? selinux_inode_link+0x20/0x20 [ 732.522996] ? __fget+0x356/0x510 [ 732.526467] ? do_dup2+0x450/0x450 [ 732.530010] ? vfs_write+0x393/0x540 [ 732.533748] ksys_ioctl+0x9b/0xc0 [ 732.537210] __x64_sys_ioctl+0x6f/0xb0 [ 732.541105] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 732.545701] do_syscall_64+0xf9/0x620 [ 732.549515] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 732.554711] RIP: 0033:0x45d5b9 [ 732.557908] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 732.576815] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 732.584526] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 732.591798] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 732.599073] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 732.606354] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000e [ 732.613628] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:05 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xc0101282) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:53:06 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x11) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:06 executing program 4 (fault-call:2 fault-nth:15): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:53:06 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x1c9a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 732.887958] block nbd5: Device being setup by another task [ 732.912107] FAULT_INJECTION: forcing a failure. [ 732.912107] name failslab, interval 1, probability 0, space 0, times 0 [ 732.959054] CPU: 1 PID: 9516 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 732.966879] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 732.976239] Call Trace: [ 732.978836] dump_stack+0x1fc/0x2fe [ 732.982480] should_fail.cold+0xa/0x14 [ 732.986383] ? setup_fault_attr+0x200/0x200 [ 732.990718] ? lock_acquire+0x170/0x3c0 [ 732.994714] __should_failslab+0x115/0x180 [ 732.998982] should_failslab+0x5/0xf [ 733.002705] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 733.007823] __kmalloc_node+0x38/0x70 [ 733.011641] ? mempool_free+0x370/0x370 [ 733.015620] mempool_init_node+0x137/0x6c0 [ 733.019907] ? mempool_alloc+0x350/0x350 [ 733.023973] ? mempool_free+0x370/0x370 [ 733.027978] mempool_init+0x38/0x50 [ 733.031621] bioset_init+0x532/0x810 [ 733.035350] ? kmem_cache_alloc_node+0x351/0x3b0 [ 733.040120] blk_alloc_queue_node+0x189/0xb90 [ 733.044632] blk_mq_init_queue+0x44/0xa0 [ 733.048703] loop_add+0x2cb/0x8a0 [ 733.052170] loop_control_ioctl+0x16c/0x480 [ 733.056502] ? loop_lookup+0x1d0/0x1d0 [ 733.060402] ? HARDIRQ_verbose+0x10/0x10 [ 733.064503] ? loop_lookup+0x1d0/0x1d0 [ 733.068404] do_vfs_ioctl+0xcdb/0x12e0 [ 733.072312] ? selinux_file_ioctl+0x506/0x6c0 [ 733.076819] ? ioctl_preallocate+0x200/0x200 [ 733.081259] ? selinux_inode_link+0x20/0x20 [ 733.085597] ? __fget+0x356/0x510 [ 733.089075] ? do_dup2+0x450/0x450 [ 733.092623] ? vfs_write+0x393/0x540 [ 733.096359] ksys_ioctl+0x9b/0xc0 [ 733.099825] __x64_sys_ioctl+0x6f/0xb0 [ 733.103723] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 733.108313] do_syscall_64+0xf9/0x620 [ 733.112137] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 733.117353] RIP: 0033:0x45d5b9 [ 733.120554] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 733.139488] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 733.147229] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 02:53:06 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xc0189436) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:53:06 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x1d9a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:53:06 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x12) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 733.154504] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 733.161778] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 733.169055] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000000f [ 733.176334] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:06 executing program 4 (fault-call:2 fault-nth:16): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) [ 733.225495] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 733.308254] EXT4-fs (loop1): VFS: Can't find ext4 filesystem [ 733.330662] block nbd5: Device being setup by another task 02:53:06 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x1, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) shmget$private(0x0, 0x1000, 0x80, &(0x7f0000000000/0x1000)=nil) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:06 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x13) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:06 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x1e9a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 733.430108] FAULT_INJECTION: forcing a failure. [ 733.430108] name failslab, interval 1, probability 0, space 0, times 0 [ 733.498540] CPU: 0 PID: 9557 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 733.506368] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 733.515725] Call Trace: [ 733.518321] dump_stack+0x1fc/0x2fe [ 733.521969] should_fail.cold+0xa/0x14 [ 733.525866] ? setup_fault_attr+0x200/0x200 [ 733.530218] ? lock_acquire+0x170/0x3c0 [ 733.534209] __should_failslab+0x115/0x180 [ 733.538454] should_failslab+0x5/0xf [ 733.542177] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 733.547295] __kmalloc_node+0x38/0x70 [ 733.551105] ? mempool_free+0x370/0x370 [ 733.555086] mempool_init_node+0x137/0x6c0 [ 733.559339] ? mempool_alloc+0x350/0x350 [ 733.563407] ? mempool_free+0x370/0x370 [ 733.567412] mempool_init+0x38/0x50 [ 733.571058] bioset_init+0x532/0x810 [ 733.574797] ? kmem_cache_alloc_node+0x351/0x3b0 [ 733.579581] blk_alloc_queue_node+0x189/0xb90 [ 733.584090] blk_mq_init_queue+0x44/0xa0 [ 733.588164] loop_add+0x2cb/0x8a0 [ 733.591633] loop_control_ioctl+0x16c/0x480 [ 733.595963] ? loop_lookup+0x1d0/0x1d0 [ 733.599860] ? HARDIRQ_verbose+0x10/0x10 [ 733.603938] ? loop_lookup+0x1d0/0x1d0 [ 733.607839] do_vfs_ioctl+0xcdb/0x12e0 [ 733.611741] ? selinux_file_ioctl+0x506/0x6c0 [ 733.616250] ? ioctl_preallocate+0x200/0x200 [ 733.620670] ? selinux_inode_link+0x20/0x20 [ 733.625004] ? __fget+0x356/0x510 [ 733.628469] ? do_dup2+0x450/0x450 [ 733.632014] ? vfs_write+0x393/0x540 [ 733.635749] ksys_ioctl+0x9b/0xc0 [ 733.639216] __x64_sys_ioctl+0x6f/0xb0 [ 733.643110] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 733.647698] do_syscall_64+0xf9/0x620 [ 733.651513] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 733.656707] RIP: 0033:0x45d5b9 [ 733.659905] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 733.678814] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 733.686533] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 02:53:07 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xc020660b) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) [ 733.693808] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 733.701079] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 733.708373] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010 [ 733.715647] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:07 executing program 4 (fault-call:2 fault-nth:17): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:53:07 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x14) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 733.894166] FAULT_INJECTION: forcing a failure. [ 733.894166] name failslab, interval 1, probability 0, space 0, times 0 [ 733.938469] block nbd5: Device being setup by another task [ 733.987309] CPU: 0 PID: 9578 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 733.995165] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 734.004540] Call Trace: [ 734.007138] dump_stack+0x1fc/0x2fe [ 734.010777] should_fail.cold+0xa/0x14 [ 734.014695] ? setup_fault_attr+0x200/0x200 [ 734.019028] ? lock_acquire+0x170/0x3c0 [ 734.023020] __should_failslab+0x115/0x180 [ 734.027270] should_failslab+0x5/0xf [ 734.030996] kmem_cache_alloc+0x277/0x370 [ 734.035149] ? mempool_alloc+0x350/0x350 [ 734.039213] mempool_init_node+0x2d0/0x6c0 [ 734.043464] ? mempool_alloc+0x350/0x350 [ 734.047536] ? mempool_free+0x370/0x370 [ 734.051515] mempool_init+0x38/0x50 [ 734.055152] bioset_init+0x532/0x810 [ 734.058877] ? kmem_cache_alloc_node+0x351/0x3b0 [ 734.063647] blk_alloc_queue_node+0x189/0xb90 [ 734.068158] blk_mq_init_queue+0x44/0xa0 [ 734.072226] loop_add+0x2cb/0x8a0 [ 734.075684] loop_control_ioctl+0x16c/0x480 [ 734.080005] ? loop_lookup+0x1d0/0x1d0 [ 734.083900] ? HARDIRQ_verbose+0x10/0x10 [ 734.087967] ? loop_lookup+0x1d0/0x1d0 [ 734.091858] do_vfs_ioctl+0xcdb/0x12e0 [ 734.095765] ? selinux_file_ioctl+0x506/0x6c0 [ 734.100278] ? ioctl_preallocate+0x200/0x200 [ 734.104691] ? selinux_inode_link+0x20/0x20 [ 734.109015] ? __fget+0x356/0x510 [ 734.112474] ? do_dup2+0x450/0x450 [ 734.117330] ? vfs_write+0x393/0x540 [ 734.121056] ksys_ioctl+0x9b/0xc0 [ 734.124510] __x64_sys_ioctl+0x6f/0xb0 [ 734.128398] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 734.132986] do_syscall_64+0xf9/0x620 [ 734.136790] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 734.141976] RIP: 0033:0x45d5b9 [ 734.145164] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 734.164061] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 734.171778] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 734.179041] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 02:53:07 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x15) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:07 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x1f000000, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 734.186308] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 734.193661] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000011 [ 734.200931] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:07 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x16) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:07 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xc0481273) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:53:07 executing program 4 (fault-call:2 fault-nth:18): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:53:07 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() r4 = openat$binder_debug(0xffffffffffffff9c, &(0x7f0000000000)='/sys/kernel/debug/binder/failed_transaction_log\x00', 0x0, 0x0) getsockopt$inet_sctp_SCTP_GET_LOCAL_ADDRS(r3, 0x84, 0x6d, &(0x7f0000000040)=ANY=[@ANYRES32=0x0, @ANYBLOB="2700000866ca68535677231d3d03d227f286126c178523e303f72bdd9dcd33a9bf0b317ff8"], &(0x7f00000000c0)=0x2f) getsockopt$inet_sctp_SCTP_DEFAULT_SNDINFO(r4, 0x84, 0x22, &(0x7f0000000100)={0x7fff, 0x20c, 0x6, 0x1853e0, r5}, &(0x7f0000000180)=0x10) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:07 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x17) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 734.622068] block nbd5: Device being setup by another task [ 734.688373] FAULT_INJECTION: forcing a failure. [ 734.688373] name failslab, interval 1, probability 0, space 0, times 0 [ 734.759554] CPU: 0 PID: 9625 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 734.767386] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 734.776746] Call Trace: [ 734.779350] dump_stack+0x1fc/0x2fe [ 734.783034] should_fail.cold+0xa/0x14 [ 734.786943] ? setup_fault_attr+0x200/0x200 [ 734.791275] ? lock_acquire+0x170/0x3c0 [ 734.795269] __should_failslab+0x115/0x180 [ 734.799514] should_failslab+0x5/0xf [ 734.803238] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 734.815734] bdi_alloc_node+0x5c/0xd0 [ 734.819553] blk_alloc_queue_node+0x1af/0xb90 [ 734.824065] blk_mq_init_queue+0x44/0xa0 [ 734.828137] loop_add+0x2cb/0x8a0 [ 734.831604] loop_control_ioctl+0x16c/0x480 [ 734.835943] ? loop_lookup+0x1d0/0x1d0 [ 734.839844] ? HARDIRQ_verbose+0x10/0x10 [ 734.843925] ? loop_lookup+0x1d0/0x1d0 [ 734.847826] do_vfs_ioctl+0xcdb/0x12e0 [ 734.851732] ? selinux_file_ioctl+0x506/0x6c0 [ 734.856245] ? ioctl_preallocate+0x200/0x200 [ 734.860668] ? selinux_inode_link+0x20/0x20 [ 734.865003] ? __fget+0x356/0x510 [ 734.868470] ? do_dup2+0x450/0x450 [ 734.872019] ? vfs_write+0x393/0x540 [ 734.875755] ksys_ioctl+0x9b/0xc0 [ 734.879223] __x64_sys_ioctl+0x6f/0xb0 [ 734.883121] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 734.887714] do_syscall_64+0xf9/0x620 [ 734.891552] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 734.896749] RIP: 0033:0x45d5b9 02:53:08 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x1f9a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 734.899948] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 734.918854] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 734.926567] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 734.933843] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 734.941117] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 734.948388] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000012 [ 734.955685] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:08 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x18) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:08 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) ioctl$BTRFS_IOC_BALANCE_PROGRESS(r0, 0x84009422, &(0x7f0000000280)={0x0, 0x0, {0x0, @struct}, {0x0, @struct}, {0x0, @struct, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}}) ioctl$BTRFS_IOC_SNAP_DESTROY_V2(r0, 0x5000943f, &(0x7f0000000a40)={{r0}, 0x0, 0x0, @inherit={0x50, &(0x7f0000000000)={0x0, 0x1, 0x35f4, 0x3, {0x70, 0x5, 0xff, 0xf4f, 0x3eca}, [0x7f]}}, @devid=r1}) r2 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r3 = ioctl$KVM_CREATE_VCPU(r2, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r2, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r3, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r3, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r3, 0xae80, 0x0) r4 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') getuid() writev(r4, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:08 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x19) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:08 executing program 4 (fault-call:2 fault-nth:19): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:53:08 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x1a) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:08 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x20000000, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 735.415337] FAULT_INJECTION: forcing a failure. [ 735.415337] name failslab, interval 1, probability 0, space 0, times 0 [ 735.477696] CPU: 0 PID: 9675 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 735.485528] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 735.494889] Call Trace: [ 735.497487] dump_stack+0x1fc/0x2fe [ 735.501128] should_fail.cold+0xa/0x14 [ 735.505025] ? setup_fault_attr+0x200/0x200 [ 735.509356] ? lock_acquire+0x170/0x3c0 [ 735.513349] __should_failslab+0x115/0x180 [ 735.517591] should_failslab+0x5/0xf [ 735.521315] kmem_cache_alloc_trace+0x284/0x380 [ 735.525996] blk_alloc_queue_stats+0x3c/0x100 [ 735.530501] blk_alloc_queue_node+0x1eb/0xb90 [ 735.535011] blk_mq_init_queue+0x44/0xa0 [ 735.539090] loop_add+0x2cb/0x8a0 [ 735.542558] loop_control_ioctl+0x16c/0x480 [ 735.546887] ? loop_lookup+0x1d0/0x1d0 [ 735.550786] ? HARDIRQ_verbose+0x10/0x10 [ 735.554862] ? loop_lookup+0x1d0/0x1d0 [ 735.558763] do_vfs_ioctl+0xcdb/0x12e0 [ 735.562667] ? selinux_file_ioctl+0x506/0x6c0 [ 735.567173] ? ioctl_preallocate+0x200/0x200 [ 735.571595] ? selinux_inode_link+0x20/0x20 [ 735.575932] ? __fget+0x356/0x510 [ 735.579398] ? do_dup2+0x450/0x450 [ 735.582949] ? vfs_write+0x393/0x540 [ 735.586681] ksys_ioctl+0x9b/0xc0 [ 735.590148] __x64_sys_ioctl+0x6f/0xb0 [ 735.594048] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 735.598648] do_syscall_64+0xf9/0x620 [ 735.602465] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 735.607669] RIP: 0033:0x45d5b9 [ 735.610901] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 735.629807] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 735.637526] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 735.644800] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 735.652079] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 735.659355] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000013 [ 735.666630] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:09 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x1b) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:09 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x81a00, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x2a00}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='cgroup.controllers\x00', 0x100002, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r0, 0xc028660f, 0x0) ioctl$DRM_IOCTL_MODE_CREATE_DUMB(r0, 0xc02064b2, &(0x7f00000001c0)={0x3, 0x2, 0x7}) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(r0, 0xc0182101, &(0x7f0000000180)={0x0, 0x1fb, 0x6}) fanotify_init(0x10, 0x8000) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r2, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r3, r1, 0x0) ptrace$setopts(0x4200, 0x0, 0x5, 0x28) socket$netlink(0x10, 0x3, 0x0) [ 735.815870] block nbd5: Device being setup by another task 02:53:09 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) ioctl$sock_inet6_udp_SIOCOUTQ(0xffffffffffffffff, 0x5411, &(0x7f00000001c0)) socket$netlink(0x10, 0x3, 0x0) 02:53:09 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x1c) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:09 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x1d) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:09 executing program 4 (fault-call:2 fault-nth:20): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) [ 736.183868] block nbd5: Device being setup by another task [ 736.233823] FAULT_INJECTION: forcing a failure. [ 736.233823] name failslab, interval 1, probability 0, space 0, times 0 [ 736.276935] CPU: 1 PID: 9728 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 736.284761] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 736.294122] Call Trace: [ 736.296721] dump_stack+0x1fc/0x2fe [ 736.300367] should_fail.cold+0xa/0x14 [ 736.304265] ? setup_fault_attr+0x200/0x200 [ 736.308599] ? lock_acquire+0x170/0x3c0 [ 736.312711] __should_failslab+0x115/0x180 [ 736.316957] should_failslab+0x5/0xf [ 736.320678] kmem_cache_alloc_trace+0x284/0x380 [ 736.325365] wb_congested_get_create+0x180/0x3a0 [ 736.330137] wb_init+0x4a7/0x770 [ 736.333535] ? __raw_spin_lock_init+0x28/0x100 [ 736.338124] bdi_init+0x29c/0x410 [ 736.341588] bdi_alloc_node+0x76/0xd0 [ 736.345419] blk_alloc_queue_node+0x1af/0xb90 [ 736.349934] blk_mq_init_queue+0x44/0xa0 [ 736.354009] loop_add+0x2cb/0x8a0 [ 736.357478] loop_control_ioctl+0x16c/0x480 [ 736.361808] ? loop_lookup+0x1d0/0x1d0 [ 736.365710] ? HARDIRQ_verbose+0x10/0x10 [ 736.369779] ? loop_lookup+0x1d0/0x1d0 [ 736.373683] do_vfs_ioctl+0xcdb/0x12e0 [ 736.377582] ? selinux_file_ioctl+0x506/0x6c0 [ 736.382088] ? ioctl_preallocate+0x200/0x200 [ 736.386508] ? selinux_inode_link+0x20/0x20 [ 736.390841] ? __fget+0x356/0x510 [ 736.394308] ? do_dup2+0x450/0x450 [ 736.397875] ? vfs_write+0x393/0x540 [ 736.401610] ksys_ioctl+0x9b/0xc0 [ 736.405075] __x64_sys_ioctl+0x6f/0xb0 [ 736.408968] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 736.413556] do_syscall_64+0xf9/0x620 [ 736.417367] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 736.422561] RIP: 0033:0x45d5b9 [ 736.425760] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 736.444664] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 736.452374] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 736.459645] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 736.466916] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 736.474192] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000014 [ 736.481465] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:09 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x209a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:53:09 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x1e) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:09 executing program 5: write$FUSE_NOTIFY_INVAL_ENTRY(0xffffffffffffffff, &(0x7f0000000280)=ANY=[@ANYBLOB="2b00080003000000000000000000000005000000000000000a000000000000002f6465762f6e22642300001b0aade8e51b255e3918e5889697e6d100eba955253bfd41590a968e638759ea4fd8cd3508aa7b3665febd7bea43c99e19d8be6f9c86e9e7a102874a028b23a7a44d7642b1cc48f2f5b2df0c57db16f6ee4b587602948321493a197017870e4f209647ef1b22565caa5cee9acf9aeef63afce4e6acd8102a60d734851a"], 0x2b) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x5, 0x0, 0x0, 0x0, 0x0, 0x1f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x6000, 0x80000000}, 0x4, 0x0, 0x0, 0x7}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:53:09 executing program 4 (fault-call:2 fault-nth:21): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) [ 736.741108] block nbd5: Device being setup by another task [ 736.745687] FAULT_INJECTION: forcing a failure. [ 736.745687] name failslab, interval 1, probability 0, space 0, times 0 02:53:10 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x219a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 736.810692] CPU: 1 PID: 9757 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 736.818527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 736.827877] Call Trace: [ 736.830475] dump_stack+0x1fc/0x2fe [ 736.834117] should_fail.cold+0xa/0x14 [ 736.838011] ? setup_fault_attr+0x200/0x200 [ 736.842341] ? lock_acquire+0x170/0x3c0 [ 736.846330] __should_failslab+0x115/0x180 [ 736.850571] should_failslab+0x5/0xf [ 736.854291] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 736.859406] blkg_alloc+0x92/0x630 [ 736.862967] blkcg_init_queue+0x24/0x540 [ 736.867041] blk_alloc_queue_node+0x788/0xb90 [ 736.871550] blk_mq_init_queue+0x44/0xa0 [ 736.875621] loop_add+0x2cb/0x8a0 [ 736.879087] loop_control_ioctl+0x16c/0x480 [ 736.883419] ? loop_lookup+0x1d0/0x1d0 [ 736.887315] ? HARDIRQ_verbose+0x10/0x10 [ 736.891386] ? loop_lookup+0x1d0/0x1d0 [ 736.895289] do_vfs_ioctl+0xcdb/0x12e0 [ 736.899214] ? selinux_file_ioctl+0x506/0x6c0 [ 736.903721] ? ioctl_preallocate+0x200/0x200 02:53:10 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) sendmsg$MPTCP_PM_CMD_SET_LIMITS(r1, &(0x7f0000000340)={&(0x7f0000000240)={0x10, 0x0, 0x0, 0x1000000}, 0xc, &(0x7f0000000300)={&(0x7f00000003c0)=ANY=[@ANYBLOB="5c00000031e926b8d662f73f3a1a6367499cb7769c51be68654186964c7b45f676a8831bd9681de5badff6bd12c21c0a1b4dafb3a171b9ee9115320587a48918cdb995f479fafeaa3bb48b2033d6c04252a19cb8cd89a4250000000000000000000000e1fc4b0fdc637910e69ac7072bb003b050301acefc0628996ed5990fa1c42067a99cdc83aa94846c3948f93deb30d7c761c84de8356ab0103e8ea415189ea50cb446eb4d7c965b8f41a1705cbc05dab6d4f1e87799e36473f1e4d5dde8a56d22dc4a9d6ee2dc9cdcb74eb85ef316bbe4aaad4664bab939a27e0591ac3e69ea6bba", @ANYRES16=0x0, @ANYBLOB="020026bd7000ffdbdf250500000040000180060001000200000014000400fe8000000000000000000000000000bb060005004e240000080006000600000008000700", @ANYRES32=0x0, @ANYBLOB='\b\x00\a\x00', @ANYRES32=0x0, @ANYBLOB="0800030000000000"], 0x5c}, 0x1, 0x0, 0x0, 0x850}, 0xc000) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) r3 = socket(0x1e, 0x2, 0x0) sendmsg$tipc(r3, &(0x7f0000000040)={&(0x7f00000000c0)=@name={0x1e, 0x2, 0x0, {{0x0, 0x4}}}, 0x10, 0x0}, 0x0) setsockopt$IP_VS_SO_SET_DELDEST(r3, 0x0, 0x488, &(0x7f00000001c0)={{0x33, @remote, 0x4e22, 0x2, 'lblc\x00', 0x30, 0x2b, 0x77}, {@dev={0xac, 0x14, 0x14, 0x43}, 0x4e21, 0x0, 0xe6a6, 0x0, 0x1ff}}, 0x44) socket$netlink(0x10, 0x3, 0x0) [ 736.908143] ? selinux_inode_link+0x20/0x20 [ 736.912475] ? __fget+0x356/0x510 [ 736.915948] ? do_dup2+0x450/0x450 [ 736.919494] ? vfs_write+0x393/0x540 [ 736.923229] ksys_ioctl+0x9b/0xc0 [ 736.926693] __x64_sys_ioctl+0x6f/0xb0 [ 736.930608] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 736.935200] do_syscall_64+0xf9/0x620 [ 736.939020] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 736.944214] RIP: 0033:0x45d5b9 02:53:10 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x26) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 736.947418] Code: 5d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 736.966322] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 736.974033] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 736.981312] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 736.988590] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 736.995864] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000015 [ 737.003136] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:10 executing program 4 (fault-call:2 fault-nth:22): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) [ 737.216046] block nbd5: Device being setup by another task [ 737.290289] FAULT_INJECTION: forcing a failure. [ 737.290289] name failslab, interval 1, probability 0, space 0, times 0 [ 737.347658] CPU: 1 PID: 9785 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 737.355491] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 737.364862] Call Trace: [ 737.367463] dump_stack+0x1fc/0x2fe [ 737.371113] should_fail.cold+0xa/0x14 [ 737.375016] ? setup_fault_attr+0x200/0x200 [ 737.379352] ? lock_acquire+0x170/0x3c0 [ 737.383350] __should_failslab+0x115/0x180 [ 737.387593] should_failslab+0x5/0xf [ 737.391315] kmem_cache_alloc_node_trace+0x244/0x3b0 02:53:10 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x29) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 737.396452] ? iolatency_pd_init+0x6f0/0x6f0 [ 737.400873] iolatency_pd_alloc+0x6e/0x120 [ 737.405129] blkcg_activate_policy+0x120/0x5d0 [ 737.409835] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 737.414870] blk_iolatency_init+0x123/0x2d0 [ 737.419204] blkcg_init_queue+0x1c1/0x540 [ 737.423372] blk_alloc_queue_node+0x788/0xb90 [ 737.427885] blk_mq_init_queue+0x44/0xa0 [ 737.431960] loop_add+0x2cb/0x8a0 [ 737.435431] loop_control_ioctl+0x16c/0x480 [ 737.439764] ? loop_lookup+0x1d0/0x1d0 [ 737.443663] ? HARDIRQ_verbose+0x10/0x10 02:53:10 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x229a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 737.447733] ? __irqentry_text_end+0xa5e12/0x1facf2 [ 737.452762] ? loop_lookup+0x1d0/0x1d0 [ 737.456664] do_vfs_ioctl+0xcdb/0x12e0 [ 737.460571] ? selinux_file_ioctl+0x506/0x6c0 [ 737.465082] ? ioctl_preallocate+0x200/0x200 [ 737.469506] ? selinux_inode_link+0x20/0x20 [ 737.473850] ? __fget+0x356/0x510 [ 737.477321] ? do_dup2+0x450/0x450 [ 737.480870] ? vfs_write+0x393/0x540 [ 737.484608] ksys_ioctl+0x9b/0xc0 [ 737.488078] __x64_sys_ioctl+0x6f/0xb0 [ 737.491978] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 737.496570] do_syscall_64+0xf9/0x620 [ 737.500388] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 737.505583] RIP: 0033:0x45d5b9 [ 737.508781] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 737.527780] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 737.535501] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 737.542782] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 737.550059] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 737.557354] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000016 [ 737.564626] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:10 executing program 4 (fault-call:2 fault-nth:23): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:53:10 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x2e) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:11 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x40, 0x0, 0x2}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$F2FS_IOC_SET_PIN_FILE(r1, 0x4004f50d, &(0x7f00000001c0)=0x1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000200)='/dev/ptmx\x00', 0x448100, 0x0) ioctl$TIOCSETD(r3, 0x5423, &(0x7f0000000540)=0xe) fsetxattr$trusted_overlay_redirect(r0, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) lookup_dcookie(0x8, &(0x7f0000000240)=""/100, 0x64) socket$netlink(0x10, 0x3, 0x0) 02:53:11 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x239a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 737.773487] FAULT_INJECTION: forcing a failure. [ 737.773487] name failslab, interval 1, probability 0, space 0, times 0 [ 737.798961] CPU: 1 PID: 9805 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 737.806778] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 737.816132] Call Trace: [ 737.818749] dump_stack+0x1fc/0x2fe [ 737.822387] should_fail.cold+0xa/0x14 [ 737.826289] ? setup_fault_attr+0x200/0x200 [ 737.830621] ? lock_acquire+0x170/0x3c0 [ 737.834609] __should_failslab+0x115/0x180 [ 737.838850] should_failslab+0x5/0xf [ 737.842571] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 737.847707] blkg_alloc+0x92/0x630 [ 737.851265] blkcg_init_queue+0x24/0x540 [ 737.855344] blk_alloc_queue_node+0x788/0xb90 [ 737.859854] blk_mq_init_queue+0x44/0xa0 [ 737.863932] loop_add+0x2cb/0x8a0 [ 737.867398] loop_control_ioctl+0x16c/0x480 [ 737.871727] ? loop_lookup+0x1d0/0x1d0 [ 737.875629] ? HARDIRQ_verbose+0x10/0x10 [ 737.879696] ? mlx4_alloc_icm+0xe50/0x1450 [ 737.883940] ? loop_lookup+0x1d0/0x1d0 [ 737.887844] do_vfs_ioctl+0xcdb/0x12e0 [ 737.891740] ? selinux_file_ioctl+0x506/0x6c0 [ 737.896242] ? ioctl_preallocate+0x200/0x200 [ 737.900660] ? selinux_inode_link+0x20/0x20 [ 737.904995] ? __fget+0x356/0x510 [ 737.908463] ? do_dup2+0x450/0x450 [ 737.912013] ? vfs_write+0x393/0x540 [ 737.915747] ksys_ioctl+0x9b/0xc0 [ 737.919211] __x64_sys_ioctl+0x6f/0xb0 [ 737.923111] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 737.927712] do_syscall_64+0xf9/0x620 [ 737.931536] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 737.936727] RIP: 0033:0x45d5b9 [ 737.939929] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 737.958852] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 737.966563] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 737.973836] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 737.981115] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 737.988388] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000017 [ 737.995665] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:11 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x36) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 738.130418] block nbd5: Device being setup by another task 02:53:11 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x3e) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:11 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f00000001c0)='/dev/nbd#\x00', 0x0, 0x28002) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:53:11 executing program 4 (fault-call:2 fault-nth:24): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:53:11 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x4f) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:11 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x24010000, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 738.548742] block nbd5: Device being setup by another task [ 738.564362] FAULT_INJECTION: forcing a failure. [ 738.564362] name failslab, interval 1, probability 0, space 0, times 0 [ 738.641787] CPU: 1 PID: 9852 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 738.649606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 738.658962] Call Trace: [ 738.661580] dump_stack+0x1fc/0x2fe [ 738.665225] should_fail.cold+0xa/0x14 [ 738.669131] ? setup_fault_attr+0x200/0x200 [ 738.673464] ? lock_acquire+0x170/0x3c0 [ 738.677457] __should_failslab+0x115/0x180 [ 738.681703] should_failslab+0x5/0xf [ 738.685427] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 738.690546] blk_throtl_init+0x7c/0x620 [ 738.694530] ? blk_iolatency_init+0x1b7/0x2d0 [ 738.699038] blkcg_init_queue+0x1e3/0x540 [ 738.703202] blk_alloc_queue_node+0x788/0xb90 [ 738.707715] blk_mq_init_queue+0x44/0xa0 [ 738.711790] loop_add+0x2cb/0x8a0 [ 738.715260] loop_control_ioctl+0x16c/0x480 [ 738.719596] ? loop_lookup+0x1d0/0x1d0 [ 738.723496] ? HARDIRQ_verbose+0x10/0x10 [ 738.727571] ? loop_lookup+0x1d0/0x1d0 [ 738.731474] do_vfs_ioctl+0xcdb/0x12e0 [ 738.735375] ? selinux_file_ioctl+0x506/0x6c0 [ 738.739885] ? ioctl_preallocate+0x200/0x200 [ 738.744327] ? selinux_inode_link+0x20/0x20 [ 738.748664] ? __fget+0x356/0x510 [ 738.752129] ? do_dup2+0x450/0x450 [ 738.755686] ? vfs_write+0x393/0x540 [ 738.759423] ksys_ioctl+0x9b/0xc0 [ 738.762908] __x64_sys_ioctl+0x6f/0xb0 [ 738.766812] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 738.771405] do_syscall_64+0xf9/0x620 [ 738.775225] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 738.780421] RIP: 0033:0x45d5b9 [ 738.783639] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 738.802554] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 738.810266] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 738.817544] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 738.824813] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 738.832086] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000018 02:53:12 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x64) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 738.839358] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:12 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000340)='/dev/nbd#\x00', 0x0, 0x121281) r1 = socket(0x2, 0x3, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000540)=0xe) ioctl$TIOCSETD(0xffffffffffffffff, 0x541b, &(0x7f0000000000)) ioctl$BTRFS_IOC_SUBVOL_CREATE(0xffffffffffffffff, 0x5000940e, &(0x7f0000000380)={{}, "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"}) r3 = dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) bpf$BPF_MAP_LOOKUP_AND_DELETE_ELEM(0x15, &(0x7f0000000300)={r3, &(0x7f00000001c0)="9340d22262e26771528f16a40c2eb72c77d3fc605512d8f229d46be5d2dc08bf43df29542e5f", &(0x7f0000000200)=""/253}, 0x20) 02:53:12 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x249a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:53:12 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x65) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:12 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x66) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:12 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x67) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:12 executing program 4 (fault-call:2 fault-nth:25): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:53:12 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x259a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 739.418023] FAULT_INJECTION: forcing a failure. [ 739.418023] name failslab, interval 1, probability 0, space 0, times 0 [ 739.476668] CPU: 0 PID: 9914 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 739.484671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 739.494027] Call Trace: [ 739.496624] dump_stack+0x1fc/0x2fe [ 739.500264] should_fail.cold+0xa/0x14 [ 739.504161] ? setup_fault_attr+0x200/0x200 [ 739.508498] ? lock_acquire+0x170/0x3c0 [ 739.512496] __should_failslab+0x115/0x180 [ 739.516736] should_failslab+0x5/0xf [ 739.520456] kmem_cache_alloc_trace+0x284/0x380 [ 739.525144] blk_iolatency_init+0x47/0x2d0 [ 739.529390] blkcg_init_queue+0x1c1/0x540 [ 739.533548] blk_alloc_queue_node+0x788/0xb90 [ 739.538059] blk_mq_init_queue+0x44/0xa0 [ 739.542129] loop_add+0x2cb/0x8a0 [ 739.545593] loop_control_ioctl+0x16c/0x480 [ 739.549950] ? loop_lookup+0x1d0/0x1d0 [ 739.553854] ? HARDIRQ_verbose+0x10/0x10 [ 739.557933] ? loop_lookup+0x1d0/0x1d0 [ 739.561842] do_vfs_ioctl+0xcdb/0x12e0 [ 739.565740] ? selinux_file_ioctl+0x506/0x6c0 [ 739.570265] ? ioctl_preallocate+0x200/0x200 [ 739.574682] ? selinux_inode_link+0x20/0x20 [ 739.579012] ? __fget+0x356/0x510 [ 739.582487] ? do_dup2+0x450/0x450 [ 739.586031] ? vfs_write+0x393/0x540 [ 739.589764] ksys_ioctl+0x9b/0xc0 [ 739.593230] __x64_sys_ioctl+0x6f/0xb0 [ 739.597126] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 739.601715] do_syscall_64+0xf9/0x620 [ 739.605523] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 739.610712] RIP: 0033:0x45d5b9 02:53:12 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x300) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 739.613908] Code: 5d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 739.632820] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 739.640534] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 739.647809] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 739.655090] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 739.662365] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000019 [ 739.669640] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:13 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) getsockopt$inet_sctp_SCTP_MAX_BURST(0xffffffffffffffff, 0x84, 0xd, &(0x7f0000000000)=@assoc_value={0x0}, &(0x7f0000000040)=0x8) setsockopt$inet_sctp6_SCTP_DELAYED_SACK(0xffffffffffffffff, 0x84, 0x10, &(0x7f00000000c0)=@sack_info={r2, 0x80, 0x300}, 0xc) setsockopt$inet_sctp_SCTP_RECONFIG_SUPPORTED(0xffffffffffffffff, 0x84, 0x75, &(0x7f0000000100)={r2, 0x1}, 0x8) getsockopt$inet_sctp6_SCTP_DEFAULT_PRINFO(r1, 0x84, 0x72, &(0x7f00000001c0)={r2, 0x8f6c, 0x10}, &(0x7f0000000200)=0xc) fanotify_init(0x10, 0x8000) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r3, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:53:13 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x3e8) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:13 executing program 4 (fault-call:2 fault-nth:26): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:53:13 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x500) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 740.016799] block nbd5: Device being setup by another task [ 740.101342] FAULT_INJECTION: forcing a failure. [ 740.101342] name failslab, interval 1, probability 0, space 0, times 0 [ 740.113020] CPU: 0 PID: 9958 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 740.120825] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 740.130185] Call Trace: [ 740.132788] dump_stack+0x1fc/0x2fe [ 740.136435] should_fail.cold+0xa/0x14 [ 740.140338] ? setup_fault_attr+0x200/0x200 [ 740.144676] ? lock_acquire+0x170/0x3c0 [ 740.148662] ? check_preemption_disabled+0x41/0x280 [ 740.153697] __should_failslab+0x115/0x180 [ 740.157942] should_failslab+0x5/0xf [ 740.161673] kmem_cache_alloc_node_trace+0x57/0x3b0 [ 740.166705] throtl_pd_alloc+0x6b/0x940 [ 740.170689] ? throtl_add_bio_tg+0x1f0/0x1f0 [ 740.175105] blkcg_activate_policy+0x249/0x5d0 [ 740.179710] blk_throtl_init+0x40d/0x620 [ 740.183779] ? blk_iolatency_init+0x1b7/0x2d0 [ 740.188323] blkcg_init_queue+0x1e3/0x540 [ 740.192481] blk_alloc_queue_node+0x788/0xb90 [ 740.196999] blk_mq_init_queue+0x44/0xa0 [ 740.201068] loop_add+0x2cb/0x8a0 [ 740.204566] loop_control_ioctl+0x16c/0x480 [ 740.208894] ? loop_lookup+0x1d0/0x1d0 [ 740.212794] ? HARDIRQ_verbose+0x10/0x10 [ 740.216871] ? loop_lookup+0x1d0/0x1d0 [ 740.220770] do_vfs_ioctl+0xcdb/0x12e0 [ 740.224671] ? selinux_file_ioctl+0x506/0x6c0 [ 740.229188] ? ioctl_preallocate+0x200/0x200 [ 740.233615] ? selinux_inode_link+0x20/0x20 [ 740.237955] ? __fget+0x356/0x510 [ 740.241426] ? do_dup2+0x450/0x450 [ 740.245013] ? vfs_write+0x393/0x540 [ 740.248753] ksys_ioctl+0x9b/0xc0 [ 740.252228] __x64_sys_ioctl+0x6f/0xb0 [ 740.256129] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 740.260720] do_syscall_64+0xf9/0x620 [ 740.264538] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 740.269753] RIP: 0033:0x45d5b9 [ 740.272958] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 740.291867] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 740.299585] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 740.306858] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 740.314150] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 740.321422] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000001a [ 740.328696] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:13 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x269a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:53:13 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$TIOCGDEV(0xffffffffffffffff, 0x80045432, &(0x7f00000001c0)) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) getsockopt$nfc_llcp(r2, 0x118, 0x2, &(0x7f0000000200)=""/4, 0x4) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:53:13 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x600) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:13 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x700) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:14 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x900) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:14 executing program 4 (fault-call:2 fault-nth:27): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:53:14 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x279a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:53:14 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0xa00) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 740.886727] block nbd5: Device being setup by another task [ 741.034136] FAULT_INJECTION: forcing a failure. [ 741.034136] name failslab, interval 1, probability 0, space 0, times 0 [ 741.106486] CPU: 1 PID: 10017 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 741.114429] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 741.123791] Call Trace: [ 741.126394] dump_stack+0x1fc/0x2fe [ 741.130042] should_fail.cold+0xa/0x14 [ 741.133945] ? setup_fault_attr+0x200/0x200 [ 741.138285] ? lock_acquire+0x170/0x3c0 [ 741.142280] __should_failslab+0x115/0x180 [ 741.146527] should_failslab+0x5/0xf [ 741.150253] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 741.155372] ? throtl_add_bio_tg+0x1f0/0x1f0 [ 741.159796] throtl_pd_alloc+0x6b/0x940 [ 741.163779] ? throtl_add_bio_tg+0x1f0/0x1f0 [ 741.168199] blkcg_activate_policy+0x120/0x5d0 [ 741.172792] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 741.177816] ? init_timer_key+0x88/0x350 [ 741.181892] blk_throtl_init+0x40d/0x620 [ 741.185964] ? blk_iolatency_init+0x1b7/0x2d0 [ 741.190468] blkcg_init_queue+0x1e3/0x540 [ 741.194628] blk_alloc_queue_node+0x788/0xb90 [ 741.199145] blk_mq_init_queue+0x44/0xa0 [ 741.203220] loop_add+0x2cb/0x8a0 [ 741.206691] loop_control_ioctl+0x16c/0x480 [ 741.211023] ? loop_lookup+0x1d0/0x1d0 [ 741.214920] ? HARDIRQ_verbose+0x10/0x10 [ 741.219005] ? loop_lookup+0x1d0/0x1d0 [ 741.222907] do_vfs_ioctl+0xcdb/0x12e0 [ 741.226807] ? selinux_file_ioctl+0x506/0x6c0 [ 741.231313] ? ioctl_preallocate+0x200/0x200 [ 741.235748] ? selinux_inode_link+0x20/0x20 [ 741.240087] ? __fget+0x356/0x510 [ 741.243553] ? do_dup2+0x450/0x450 [ 741.247102] ? vfs_write+0x393/0x540 [ 741.250841] ksys_ioctl+0x9b/0xc0 [ 741.254309] __x64_sys_ioctl+0x6f/0xb0 [ 741.258206] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 741.262805] do_syscall_64+0xf9/0x620 [ 741.266648] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 741.271841] RIP: 0033:0x45d5b9 [ 741.275039] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 741.293950] RSP: 002b:00007f518f4d5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 741.301662] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 741.308936] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 741.316208] RBP: 00007f518f4d5ca0 R08: 0000000000000000 R09: 0000000000000000 [ 741.323480] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000001b [ 741.330754] R13: 00007fff786094ff R14: 00007f518f4d69c0 R15: 000000000118cfec 02:53:14 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x5, 0x0, 0x0, 0x0, 0x0, 0x3c45, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x1, 0xfff}, 0x0, 0x3}, 0x0, 0xfffffffffffffffc, 0xffffffffffffffff, 0xc) pipe(0x0) clone(0x80000, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) recvfrom$l2tp6(r1, &(0x7f00000001c0)=""/154, 0x9a, 0x2001, &(0x7f00000006c0)={0xa, 0x0, 0x0, @mcast2}, 0x20) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$SNDCTL_DSP_GETFMTS(0xffffffffffffffff, 0x8004500b, &(0x7f0000000700)=0x8001) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) prctl$PR_GET_TIMERSLACK(0x1e) fanotify_init(0x10, 0x8000) ioctl$KDFONTOP_SET(0xffffffffffffffff, 0x4b72, &(0x7f0000000740)={0x0, 0x1, 0x12, 0x1f, 0x1a, &(0x7f00000002c0)="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"}) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:53:14 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x289a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:53:14 executing program 4 (fault-call:2 fault-nth:28): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:53:14 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0xb00) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 741.562451] FAULT_INJECTION: forcing a failure. [ 741.562451] name failslab, interval 1, probability 0, space 0, times 0 02:53:14 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x299a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 741.609991] CPU: 1 PID: 10038 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 741.617906] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 741.627263] Call Trace: [ 741.629864] dump_stack+0x1fc/0x2fe [ 741.633515] should_fail.cold+0xa/0x14 [ 741.637416] ? setup_fault_attr+0x200/0x200 [ 741.641755] ? lock_acquire+0x170/0x3c0 [ 741.645748] __should_failslab+0x115/0x180 [ 741.649991] should_failslab+0x5/0xf [ 741.653713] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 741.658827] ? throtl_add_bio_tg+0x1f0/0x1f0 [ 741.663247] throtl_pd_alloc+0x6b/0x940 [ 741.667239] ? throtl_add_bio_tg+0x1f0/0x1f0 [ 741.671655] blkcg_activate_policy+0x120/0x5d0 [ 741.676253] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 741.681296] ? init_timer_key+0x88/0x350 [ 741.685377] blk_throtl_init+0x40d/0x620 [ 741.689444] ? blk_iolatency_init+0x1b7/0x2d0 [ 741.693953] blkcg_init_queue+0x1e3/0x540 [ 741.698115] blk_alloc_queue_node+0x788/0xb90 [ 741.702627] blk_mq_init_queue+0x44/0xa0 [ 741.706702] loop_add+0x2cb/0x8a0 [ 741.710174] loop_control_ioctl+0x16c/0x480 [ 741.714505] ? loop_lookup+0x1d0/0x1d0 [ 741.718407] ? HARDIRQ_verbose+0x10/0x10 [ 741.722481] ? loop_lookup+0x1d0/0x1d0 [ 741.726380] do_vfs_ioctl+0xcdb/0x12e0 [ 741.730284] ? selinux_file_ioctl+0x506/0x6c0 [ 741.734795] ? ioctl_preallocate+0x200/0x200 [ 741.739214] ? selinux_inode_link+0x20/0x20 [ 741.743549] ? __fget+0x356/0x510 [ 741.747016] ? do_dup2+0x450/0x450 [ 741.750566] ? vfs_write+0x393/0x540 [ 741.754326] ksys_ioctl+0x9b/0xc0 [ 741.757799] __x64_sys_ioctl+0x6f/0xb0 [ 741.761695] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 741.766285] do_syscall_64+0xf9/0x620 [ 741.770105] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 741.775301] RIP: 0033:0x45d5b9 [ 741.778501] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 741.797405] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 02:53:15 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0xc00) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 741.805140] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 741.812416] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 741.819875] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 741.827146] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000001c [ 741.834417] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:15 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0xd00) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:15 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c45, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0xa840, 0x0, 0x0, 0x1}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000540)=0xe) ioctl$TIOCSETD(r0, 0x541b, &(0x7f0000000000)) ioctl$VT_GETSTATE(r0, 0x5603, &(0x7f00000001c0)={0x1, 0x100, 0x1f}) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='net_prio.prioidx\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r2, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r3, r1, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:53:15 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0xe00) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:15 executing program 4 (fault-call:2 fault-nth:29): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) [ 742.284356] FAULT_INJECTION: forcing a failure. [ 742.284356] name failslab, interval 1, probability 0, space 0, times 0 [ 742.295584] CPU: 0 PID: 10083 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 742.303472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 742.312854] Call Trace: [ 742.315452] dump_stack+0x1fc/0x2fe [ 742.319096] should_fail.cold+0xa/0x14 [ 742.322995] ? setup_fault_attr+0x200/0x200 [ 742.327330] ? lock_acquire+0x170/0x3c0 [ 742.331318] ? check_preemption_disabled+0x41/0x280 [ 742.336351] __should_failslab+0x115/0x180 [ 742.340597] should_failslab+0x5/0xf [ 742.344320] kmem_cache_alloc_node_trace+0x57/0x3b0 [ 742.349351] throtl_pd_alloc+0x6b/0x940 [ 742.353333] ? throtl_add_bio_tg+0x1f0/0x1f0 [ 742.357747] blkcg_activate_policy+0x249/0x5d0 [ 742.362350] blk_throtl_init+0x40d/0x620 [ 742.366415] ? blk_iolatency_init+0x1b7/0x2d0 [ 742.370922] blkcg_init_queue+0x1e3/0x540 [ 742.375088] blk_alloc_queue_node+0x788/0xb90 [ 742.379598] blk_mq_init_queue+0x44/0xa0 [ 742.383671] loop_add+0x2cb/0x8a0 [ 742.387134] loop_control_ioctl+0x16c/0x480 [ 742.391463] ? loop_lookup+0x1d0/0x1d0 [ 742.395363] ? HARDIRQ_verbose+0x10/0x10 [ 742.399434] ? loop_lookup+0x1d0/0x1d0 [ 742.403332] do_vfs_ioctl+0xcdb/0x12e0 [ 742.407230] ? selinux_file_ioctl+0x506/0x6c0 [ 742.411735] ? ioctl_preallocate+0x200/0x200 [ 742.416149] ? selinux_inode_link+0x20/0x20 [ 742.420483] ? __fget+0x356/0x510 [ 742.423959] ? do_dup2+0x450/0x450 [ 742.427507] ? vfs_write+0x393/0x540 [ 742.431244] ksys_ioctl+0x9b/0xc0 [ 742.434709] __x64_sys_ioctl+0x6f/0xb0 [ 742.438605] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 742.443195] do_syscall_64+0xf9/0x620 [ 742.447008] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 742.452199] RIP: 0033:0x45d5b9 [ 742.455394] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 742.474319] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 02:53:15 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x2a9a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:53:15 executing program 5: setsockopt$XDP_TX_RING(0xffffffffffffffff, 0x11b, 0x3, &(0x7f00000001c0)=0x8000, 0x4) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x373f9c3c, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:53:15 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0xf00) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 742.482042] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 742.489330] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 742.496606] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 742.503875] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000001d [ 742.511150] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:15 executing program 4 (fault-call:2 fault-nth:30): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:53:15 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x2b9a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 742.664507] block nbd5: Device being setup by another task [ 742.752602] FAULT_INJECTION: forcing a failure. [ 742.752602] name failslab, interval 1, probability 0, space 0, times 0 02:53:16 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x1100) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 742.905822] CPU: 0 PID: 10113 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 742.913763] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 742.923120] Call Trace: [ 742.925719] dump_stack+0x1fc/0x2fe [ 742.929365] should_fail.cold+0xa/0x14 [ 742.933266] ? setup_fault_attr+0x200/0x200 [ 742.937597] ? lock_acquire+0x170/0x3c0 [ 742.941593] __should_failslab+0x115/0x180 [ 742.945838] should_failslab+0x5/0xf [ 742.949561] kmem_cache_alloc_trace+0x284/0x380 [ 742.954243] ? blk_mq_hctx_mark_pending+0x1f0/0x1f0 [ 742.959267] ? plug_ctx_cmp+0x100/0x100 [ 742.963248] blk_stat_alloc_callback+0x54/0x290 [ 742.967939] blk_mq_init_allocated_queue+0x80/0x1300 [ 742.973052] ? blkcg_init_queue+0x1fd/0x540 [ 742.977389] ? blk_alloc_queue_node+0x79c/0xb90 [ 742.982077] blk_mq_init_queue+0x5c/0xa0 [ 742.986155] loop_add+0x2cb/0x8a0 [ 742.989623] loop_control_ioctl+0x16c/0x480 [ 742.993956] ? loop_lookup+0x1d0/0x1d0 [ 742.997853] ? HARDIRQ_verbose+0x10/0x10 [ 743.001926] ? loop_lookup+0x1d0/0x1d0 [ 743.005829] do_vfs_ioctl+0xcdb/0x12e0 [ 743.009749] ? selinux_file_ioctl+0x506/0x6c0 [ 743.014256] ? ioctl_preallocate+0x200/0x200 [ 743.018672] ? selinux_inode_link+0x20/0x20 [ 743.023008] ? __fget+0x356/0x510 [ 743.026478] ? do_dup2+0x450/0x450 [ 743.030027] ? vfs_write+0x393/0x540 [ 743.033761] ksys_ioctl+0x9b/0xc0 [ 743.037231] __x64_sys_ioctl+0x6f/0xb0 [ 743.041134] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 743.045727] do_syscall_64+0xf9/0x620 [ 743.049544] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 743.054740] RIP: 0033:0x45d5b9 [ 743.057942] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 743.076848] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 743.084563] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 743.091837] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 743.099117] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 02:53:16 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x80042400, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$EVIOCGSW(0xffffffffffffffff, 0x8040451b, &(0x7f00000001c0)=""/99) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) r3 = openat$ttyprintk(0xffffffffffffff9c, &(0x7f0000000240)='/dev/ttyprintk\x00', 0x2209c0, 0x0) ioctl$TCSETS2(r3, 0x402c542b, &(0x7f0000000280)={0xffffa386, 0x514c, 0x7ff, 0xfffeffff, 0x8, "576b777cf7d4b97eacc193c485cec06e7b6aa6", 0x5, 0x7}) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) rename(&(0x7f00000002c0)='./file0\x00', &(0x7f0000000300)='./file0\x00') dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) [ 743.106394] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000001e [ 743.113673] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:16 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x1200) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:16 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x2c010000, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:53:16 executing program 4 (fault-call:2 fault-nth:31): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) [ 743.284011] FAULT_INJECTION: forcing a failure. [ 743.284011] name failslab, interval 1, probability 0, space 0, times 0 [ 743.325210] CPU: 0 PID: 10149 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 743.333124] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 743.342480] Call Trace: [ 743.345080] dump_stack+0x1fc/0x2fe [ 743.348724] should_fail.cold+0xa/0x14 [ 743.352624] ? setup_fault_attr+0x200/0x200 [ 743.356954] ? lock_acquire+0x170/0x3c0 [ 743.360945] __should_failslab+0x115/0x180 [ 743.365189] should_failslab+0x5/0xf [ 743.368911] __kmalloc+0x2ab/0x3c0 [ 743.372462] ? blk_stat_alloc_callback+0x81/0x290 [ 743.377315] ? blk_mq_hctx_mark_pending+0x1f0/0x1f0 [ 743.382337] ? plug_ctx_cmp+0x100/0x100 [ 743.386318] blk_stat_alloc_callback+0x81/0x290 [ 743.391002] blk_mq_init_allocated_queue+0x80/0x1300 [ 743.396113] ? blkcg_init_queue+0x1fd/0x540 [ 743.400450] ? blk_alloc_queue_node+0x79c/0xb90 [ 743.405133] blk_mq_init_queue+0x5c/0xa0 [ 743.409209] loop_add+0x2cb/0x8a0 [ 743.412681] loop_control_ioctl+0x16c/0x480 [ 743.417009] ? loop_lookup+0x1d0/0x1d0 [ 743.420909] ? HARDIRQ_verbose+0x10/0x10 [ 743.424982] ? loop_lookup+0x1d0/0x1d0 [ 743.428883] do_vfs_ioctl+0xcdb/0x12e0 [ 743.432781] ? selinux_file_ioctl+0x506/0x6c0 [ 743.437286] ? ioctl_preallocate+0x200/0x200 [ 743.441706] ? selinux_inode_link+0x20/0x20 [ 743.446042] ? __fget+0x356/0x510 [ 743.449507] ? do_dup2+0x450/0x450 [ 743.453054] ? vfs_write+0x393/0x540 [ 743.456792] ksys_ioctl+0x9b/0xc0 [ 743.460256] __x64_sys_ioctl+0x6f/0xb0 [ 743.464150] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 743.468742] do_syscall_64+0xf9/0x620 [ 743.472578] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 743.477769] RIP: 0033:0x45d5b9 [ 743.480968] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 743.499873] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 743.507591] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 743.514862] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 02:53:16 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x1300) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:16 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x2c9a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 743.522143] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 743.529424] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000001f [ 743.536698] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:16 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$tipc2(&(0x7f00000000c0)='TIPCv2\x00') sendmsg$TIPC_NL_MEDIA_GET(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000300)={0x20, r3, 0xc11, 0x0, 0x0, {}, [@TIPC_NLA_MEDIA={0xc, 0x5, 0x0, 0x1, [@TIPC_NLA_MEDIA_NAME={0x7, 0x2, 'ib\x00'}]}]}, 0x20}}, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r4, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:53:16 executing program 4 (fault-call:2 fault-nth:32): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:53:17 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x1400) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:17 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x2d9a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 743.756294] FAULT_INJECTION: forcing a failure. [ 743.756294] name failslab, interval 1, probability 0, space 0, times 0 [ 743.771371] block nbd5: Device being setup by another task [ 743.831017] CPU: 1 PID: 10174 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 743.838937] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 743.848292] Call Trace: [ 743.850887] dump_stack+0x1fc/0x2fe [ 743.854537] should_fail.cold+0xa/0x14 [ 743.858434] ? setup_fault_attr+0x200/0x200 [ 743.862763] ? lock_acquire+0x170/0x3c0 [ 743.866755] __should_failslab+0x115/0x180 [ 743.871008] should_failslab+0x5/0xf [ 743.874730] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 743.879843] __kmalloc_node+0x38/0x70 [ 743.883659] blk_mq_init_allocated_queue+0x178/0x1300 [ 743.888876] ? blkcg_init_queue+0x1fd/0x540 [ 743.893214] blk_mq_init_queue+0x5c/0xa0 [ 743.897285] loop_add+0x2cb/0x8a0 [ 743.900748] loop_control_ioctl+0x16c/0x480 [ 743.905077] ? loop_lookup+0x1d0/0x1d0 [ 743.908975] ? HARDIRQ_verbose+0x10/0x10 [ 743.913070] ? loop_lookup+0x1d0/0x1d0 [ 743.916976] do_vfs_ioctl+0xcdb/0x12e0 [ 743.920872] ? selinux_file_ioctl+0x506/0x6c0 [ 743.925380] ? ioctl_preallocate+0x200/0x200 [ 743.929795] ? selinux_inode_link+0x20/0x20 [ 743.934126] ? __fget+0x356/0x510 [ 743.937586] ? do_dup2+0x450/0x450 [ 743.941134] ? vfs_write+0x393/0x540 [ 743.944867] ksys_ioctl+0x9b/0xc0 [ 743.948332] __x64_sys_ioctl+0x6f/0xb0 [ 743.952238] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 743.956830] do_syscall_64+0xf9/0x620 [ 743.960643] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 743.965834] RIP: 0033:0x45d5b9 [ 743.969035] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 743.987947] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 743.995661] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 744.002944] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 744.010238] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 744.017509] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000020 [ 744.024782] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:17 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x1500) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:17 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x1}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) r2 = socket(0x1e, 0x2, 0x0) sendmsg$tipc(r2, &(0x7f0000000040)={&(0x7f00000000c0)=@name={0x1e, 0x2, 0x0, {{0x0, 0x4}}}, 0x10, 0x0}, 0x0) bind$bt_hci(r2, &(0x7f00000002c0)={0x1f, 0x0, 0x2}, 0x6) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r3, r0, 0x0) msgctl$MSG_STAT(0xffffffffffffffff, 0xb, &(0x7f00000001c0)=""/205) socket$netlink(0x10, 0x3, 0x0) 02:53:17 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x1600) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:17 executing program 4 (fault-call:2 fault-nth:33): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) [ 744.374704] block nbd5: Device being setup by another task 02:53:17 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x1700) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:17 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x2e9a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 744.489902] FAULT_INJECTION: forcing a failure. [ 744.489902] name failslab, interval 1, probability 0, space 0, times 0 [ 744.519432] CPU: 0 PID: 10216 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 744.527369] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 744.536834] Call Trace: [ 744.539425] dump_stack+0x1fc/0x2fe [ 744.543070] should_fail.cold+0xa/0x14 [ 744.547001] ? setup_fault_attr+0x200/0x200 [ 744.551336] ? __mutex_add_waiter+0x160/0x160 [ 744.555870] __should_failslab+0x115/0x180 [ 744.560115] should_failslab+0x5/0xf [ 744.563840] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 744.568962] __kmalloc_node+0x38/0x70 [ 744.572783] blk_mq_realloc_hw_ctxs+0x1d8/0x1000 [ 744.577552] ? kmem_cache_alloc_node_trace+0x351/0x3b0 [ 744.582850] blk_mq_init_allocated_queue+0x20c/0x1300 [ 744.588051] ? blkcg_init_queue+0x1fd/0x540 [ 744.592401] blk_mq_init_queue+0x5c/0xa0 [ 744.596476] loop_add+0x2cb/0x8a0 [ 744.599951] loop_control_ioctl+0x16c/0x480 [ 744.604281] ? loop_lookup+0x1d0/0x1d0 [ 744.608183] ? HARDIRQ_verbose+0x10/0x10 [ 744.612269] ? loop_lookup+0x1d0/0x1d0 [ 744.616173] do_vfs_ioctl+0xcdb/0x12e0 [ 744.620127] ? selinux_file_ioctl+0x506/0x6c0 [ 744.624634] ? ioctl_preallocate+0x200/0x200 [ 744.629054] ? selinux_inode_link+0x20/0x20 [ 744.633393] ? __fget+0x356/0x510 [ 744.636859] ? do_dup2+0x450/0x450 [ 744.640407] ? vfs_write+0x393/0x540 [ 744.644149] ksys_ioctl+0x9b/0xc0 [ 744.647618] __x64_sys_ioctl+0x6f/0xb0 [ 744.651514] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 744.656109] do_syscall_64+0xf9/0x620 [ 744.659949] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 744.665141] RIP: 0033:0x45d5b9 [ 744.668350] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 02:53:17 executing program 5: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='cgroup.controllers\x00', 0x100002, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r0, 0xc028660f, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7fff}, 0x0, 0xffffffffffffffff, r0, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r2, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r3, r1, 0x0) socket$netlink(0x10, 0x3, 0x0) [ 744.687896] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 744.695616] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 744.702893] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 744.710165] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 744.717443] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000021 [ 744.724721] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:18 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x2f9a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:53:18 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x1800) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 744.811657] block nbd5: Device being setup by another task 02:53:18 executing program 4 (fault-call:2 fault-nth:34): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:53:18 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x309a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:53:18 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x1900) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 744.933145] FAULT_INJECTION: forcing a failure. [ 744.933145] name failslab, interval 1, probability 0, space 0, times 0 [ 744.968732] CPU: 0 PID: 10246 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 02:53:18 executing program 5: perf_event_open(&(0x7f0000000240)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x14010, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, @perf_bp={0x0, 0x3}, 0x2200}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(0xffffffffffffffff, 0xc028660f, 0x0) ioctl$DRM_IOCTL_MODE_PAGE_FLIP(0xffffffffffffffff, 0xc01864b0, &(0x7f00000001c0)={0x7ff, 0x0, 0x2, 0x3ff8, 0x80}) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) openat$cgroup_type(0xffffffffffffffff, &(0x7f0000000200)='cgroup.type\x00', 0x2, 0x0) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) [ 744.976638] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 744.985995] Call Trace: [ 744.988601] dump_stack+0x1fc/0x2fe [ 744.992243] should_fail.cold+0xa/0x14 [ 744.996143] ? setup_fault_attr+0x200/0x200 [ 745.000481] ? should_fail+0x142/0x7b0 [ 745.004389] __should_failslab+0x115/0x180 [ 745.008641] should_failslab+0x5/0xf [ 745.012370] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 745.017489] __kmalloc_node+0x38/0x70 [ 745.021313] blk_alloc_flush_queue+0x120/0x300 [ 745.025925] blk_mq_realloc_hw_ctxs+0x7bc/0x1000 [ 745.030707] blk_mq_init_allocated_queue+0x20c/0x1300 [ 745.035905] ? blkcg_init_queue+0x1fd/0x540 [ 745.040248] blk_mq_init_queue+0x5c/0xa0 [ 745.044318] loop_add+0x2cb/0x8a0 [ 745.047808] loop_control_ioctl+0x16c/0x480 [ 745.052139] ? loop_lookup+0x1d0/0x1d0 [ 745.056055] ? HARDIRQ_verbose+0x10/0x10 [ 745.060123] ? loop_lookup+0x1d0/0x1d0 [ 745.064027] do_vfs_ioctl+0xcdb/0x12e0 [ 745.067924] ? selinux_file_ioctl+0x506/0x6c0 [ 745.072448] ? ioctl_preallocate+0x200/0x200 [ 745.076868] ? selinux_inode_link+0x20/0x20 [ 745.081206] ? __fget+0x356/0x510 [ 745.084670] ? do_dup2+0x450/0x450 [ 745.088217] ? vfs_write+0x393/0x540 [ 745.091955] ksys_ioctl+0x9b/0xc0 [ 745.095794] __x64_sys_ioctl+0x6f/0xb0 [ 745.099690] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 745.104294] do_syscall_64+0xf9/0x620 [ 745.108110] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 745.113307] RIP: 0033:0x45d5b9 [ 745.116505] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 745.135422] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 745.143141] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 745.150428] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 745.157707] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 745.164986] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000022 [ 745.172264] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:18 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x319a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:53:18 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x1a00) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 745.256447] block nbd5: Device being setup by another task 02:53:18 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x8, 0x80000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:53:18 executing program 4 (fault-call:2 fault-nth:35): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) [ 745.402797] block nbd5: Device being setup by another task 02:53:18 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x329a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:53:18 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x1b00) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:18 executing program 5: r0 = openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000200)='/dev/dlm-monitor\x00', 0x100, 0x0) perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffd}, 0x0, 0xffffffffffffffff, r0, 0x2) pipe(0x0) openat$audio1(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/audio1\x00', 0x19abac7b958a0917, 0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) syz_open_dev$swradio(&(0x7f0000000240)='/dev/swradio#\x00', 0x1, 0x2) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) ioctl$NBD_DO_IT(r1, 0xab03) setsockopt$inet_sctp6_SCTP_RECONFIG_SUPPORTED(0xffffffffffffffff, 0x84, 0x75, &(0x7f0000000480)={0x0, 0x40}, 0x8) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r2, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r3, r1, 0x0) socket$netlink(0x10, 0x3, 0x0) [ 745.473776] FAULT_INJECTION: forcing a failure. [ 745.473776] name failslab, interval 1, probability 0, space 0, times 0 [ 745.534564] CPU: 1 PID: 10290 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 745.542479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 745.551836] Call Trace: [ 745.554432] dump_stack+0x1fc/0x2fe [ 745.558075] should_fail.cold+0xa/0x14 [ 745.561975] ? perf_trace_lock_acquire+0x530/0x530 [ 745.566913] ? setup_fault_attr+0x200/0x200 [ 745.571243] ? should_fail+0x142/0x7b0 [ 745.575158] __should_failslab+0x115/0x180 [ 745.579401] should_failslab+0x5/0xf [ 745.583130] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 745.588243] __kmalloc_node+0x38/0x70 [ 745.592051] sbitmap_init_node+0x123/0x440 [ 745.596308] blk_mq_realloc_hw_ctxs+0x5db/0x1000 [ 745.601110] blk_mq_init_allocated_queue+0x20c/0x1300 [ 745.606312] ? blkcg_init_queue+0x1fd/0x540 [ 745.610677] blk_mq_init_queue+0x5c/0xa0 [ 745.614753] loop_add+0x2cb/0x8a0 [ 745.618239] loop_control_ioctl+0x16c/0x480 [ 745.622568] ? loop_lookup+0x1d0/0x1d0 [ 745.626474] ? HARDIRQ_verbose+0x10/0x10 [ 745.630544] ? loop_lookup+0x1d0/0x1d0 [ 745.634444] do_vfs_ioctl+0xcdb/0x12e0 [ 745.638346] ? selinux_file_ioctl+0x506/0x6c0 [ 745.642852] ? ioctl_preallocate+0x200/0x200 [ 745.647270] ? selinux_inode_link+0x20/0x20 [ 745.651610] ? __fget+0x356/0x510 [ 745.655086] ? do_dup2+0x450/0x450 [ 745.658634] ? vfs_write+0x393/0x540 [ 745.662369] ksys_ioctl+0x9b/0xc0 [ 745.665830] __x64_sys_ioctl+0x6f/0xb0 [ 745.669742] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 745.674332] do_syscall_64+0xf9/0x620 [ 745.678151] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 745.683340] RIP: 0033:0x45d5b9 [ 745.686541] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 745.705451] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 745.713165] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 745.720455] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 745.727727] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 745.735001] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000023 [ 745.742279] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:19 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x1c00) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:19 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x1d00) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:19 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x1e00) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:19 executing program 4 (fault-call:2 fault-nth:36): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) [ 746.195237] block nbd5: Device being setup by another task 02:53:19 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) syz_mount_image$tmpfs(&(0x7f00000002c0)='tmpfs\x00', &(0x7f0000000100)='./bus\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB='\x00'/10]) chdir(&(0x7f0000000380)='./bus\x00') r0 = socket$inet6(0xa, 0x2, 0x0) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) write$P9_RAUTH(0xffffffffffffffff, 0x0, 0x0) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0) write$binfmt_script(r2, &(0x7f0000000200)=ANY=[], 0x208e24b) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x28011, r2, 0x0) r3 = memfd_create(&(0x7f0000000100)='\vem1\xc1\xf8\xa6\x8dN\xc0\xa3\\\xe2\xcb\xa2\xba\xe5\xf4\x97\xac#*\xff', 0x0) mmap(&(0x7f0000000000/0x7000)=nil, 0x7000, 0x0, 0x11, r3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f000001a000)) exit_group(0x0) r4 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r5 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r4, 0xab00, r5) 02:53:19 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x339a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 746.248921] FAULT_INJECTION: forcing a failure. [ 746.248921] name failslab, interval 1, probability 0, space 0, times 0 [ 746.301997] CPU: 1 PID: 10338 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 746.309926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 746.319316] Call Trace: [ 746.321922] dump_stack+0x1fc/0x2fe [ 746.325573] should_fail.cold+0xa/0x14 [ 746.329472] ? should_fail+0x142/0x7b0 [ 746.333376] ? setup_fault_attr+0x200/0x200 [ 746.337724] __should_failslab+0x115/0x180 [ 746.341969] should_failslab+0x5/0xf [ 746.345693] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 746.350816] blk_alloc_flush_queue+0x76/0x300 [ 746.355332] blk_mq_realloc_hw_ctxs+0x7bc/0x1000 [ 746.360126] blk_mq_init_allocated_queue+0x20c/0x1300 [ 746.365331] ? blkcg_init_queue+0x1fd/0x540 [ 746.369675] blk_mq_init_queue+0x5c/0xa0 [ 746.373751] loop_add+0x2cb/0x8a0 [ 746.377218] loop_control_ioctl+0x16c/0x480 [ 746.381549] ? loop_lookup+0x1d0/0x1d0 [ 746.385458] ? HARDIRQ_verbose+0x10/0x10 [ 746.389534] ? loop_lookup+0x1d0/0x1d0 [ 746.393447] do_vfs_ioctl+0xcdb/0x12e0 [ 746.397349] ? selinux_file_ioctl+0x506/0x6c0 [ 746.401866] ? ioctl_preallocate+0x200/0x200 [ 746.406288] ? selinux_inode_link+0x20/0x20 [ 746.410631] ? __fget+0x356/0x510 [ 746.414104] ? do_dup2+0x450/0x450 [ 746.417657] ? vfs_write+0x393/0x540 [ 746.421399] ksys_ioctl+0x9b/0xc0 [ 746.424866] __x64_sys_ioctl+0x6f/0xb0 [ 746.428766] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 746.433366] do_syscall_64+0xf9/0x620 [ 746.437182] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 746.442377] RIP: 0033:0x45d5b9 [ 746.445583] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 746.464495] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 746.472217] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 746.479501] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 746.486776] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 746.494053] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000024 [ 746.501328] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:19 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x2600) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:20 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x2900) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:20 executing program 4 (fault-call:2 fault-nth:37): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:53:20 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x349a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 746.938891] FAULT_INJECTION: forcing a failure. [ 746.938891] name failslab, interval 1, probability 0, space 0, times 0 [ 746.993437] CPU: 1 PID: 10378 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 747.001359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 747.010724] Call Trace: [ 747.013321] dump_stack+0x1fc/0x2fe [ 747.016965] should_fail.cold+0xa/0x14 [ 747.020871] ? setup_fault_attr+0x200/0x200 [ 747.025205] ? lock_acquire+0x170/0x3c0 [ 747.029203] __should_failslab+0x115/0x180 [ 747.033469] should_failslab+0x5/0xf [ 747.037190] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 747.042319] sbitmap_queue_init_node+0x240/0x6c0 [ 747.047106] blk_mq_init_tags+0x10d/0x2b0 [ 747.051293] blk_mq_alloc_rq_map+0x9d/0x230 [ 747.055641] ? elevator_get+0x29/0x170 [ 747.059575] blk_mq_init_sched+0x219/0x730 [ 747.063829] elevator_init_mq+0xcd/0x160 [ 747.067901] blk_mq_init_allocated_queue+0xe1f/0x1300 [ 747.073118] blk_mq_init_queue+0x5c/0xa0 [ 747.077192] loop_add+0x2cb/0x8a0 [ 747.080659] loop_control_ioctl+0x16c/0x480 [ 747.084995] ? loop_lookup+0x1d0/0x1d0 [ 747.088933] ? HARDIRQ_verbose+0x10/0x10 [ 747.093011] ? loop_lookup+0x1d0/0x1d0 [ 747.096920] do_vfs_ioctl+0xcdb/0x12e0 [ 747.100816] ? selinux_file_ioctl+0x506/0x6c0 [ 747.105335] ? ioctl_preallocate+0x200/0x200 [ 747.109754] ? selinux_inode_link+0x20/0x20 [ 747.114089] ? __fget+0x356/0x510 [ 747.117568] ? do_dup2+0x450/0x450 [ 747.121115] ? vfs_write+0x393/0x540 [ 747.124858] ksys_ioctl+0x9b/0xc0 [ 747.128330] __x64_sys_ioctl+0x6f/0xb0 [ 747.132230] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 747.136831] do_syscall_64+0xf9/0x620 [ 747.140642] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 747.145835] RIP: 0033:0x45d5b9 [ 747.149030] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 747.167939] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 747.175667] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 747.182936] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 02:53:20 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x2e00) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 747.190227] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 747.197504] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000025 [ 747.204775] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:20 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x359a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:53:20 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x3600) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:20 executing program 4 (fault-call:2 fault-nth:38): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:53:20 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x369a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:53:20 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x3e00) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 747.472839] FAULT_INJECTION: forcing a failure. [ 747.472839] name failslab, interval 1, probability 0, space 0, times 0 [ 747.507973] CPU: 1 PID: 10408 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 747.515883] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 747.525266] Call Trace: [ 747.527871] dump_stack+0x1fc/0x2fe [ 747.531526] should_fail.cold+0xa/0x14 [ 747.535422] ? setup_fault_attr+0x200/0x200 [ 747.539773] ? lock_acquire+0x170/0x3c0 [ 747.543789] __should_failslab+0x115/0x180 [ 747.548054] should_failslab+0x5/0xf [ 747.551888] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 747.557009] blk_mq_init_tags+0x6a/0x2b0 [ 747.561086] blk_mq_alloc_rq_map+0x9d/0x230 [ 747.565414] ? elevator_get+0x29/0x170 [ 747.569312] blk_mq_init_sched+0x219/0x730 [ 747.573566] elevator_init_mq+0xcd/0x160 [ 747.577646] blk_mq_init_allocated_queue+0xe1f/0x1300 [ 747.582857] blk_mq_init_queue+0x5c/0xa0 [ 747.586929] loop_add+0x2cb/0x8a0 [ 747.590412] loop_control_ioctl+0x16c/0x480 [ 747.594739] ? loop_lookup+0x1d0/0x1d0 [ 747.598636] ? HARDIRQ_verbose+0x10/0x10 [ 747.602730] ? loop_lookup+0x1d0/0x1d0 [ 747.606635] do_vfs_ioctl+0xcdb/0x12e0 [ 747.610532] ? selinux_file_ioctl+0x506/0x6c0 [ 747.615036] ? ioctl_preallocate+0x200/0x200 [ 747.619450] ? selinux_inode_link+0x20/0x20 [ 747.623804] ? __fget+0x356/0x510 [ 747.627269] ? do_dup2+0x450/0x450 [ 747.630816] ? vfs_write+0x393/0x540 [ 747.634550] ksys_ioctl+0x9b/0xc0 [ 747.638022] __x64_sys_ioctl+0x6f/0xb0 [ 747.641915] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 747.646503] do_syscall_64+0xf9/0x620 [ 747.650319] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 747.655520] RIP: 0033:0x45d5b9 [ 747.658715] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 747.677623] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 747.685336] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 747.692613] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 747.699905] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 747.707181] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000026 [ 747.714462] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:21 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x379a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:53:21 executing program 4 (fault-call:2 fault-nth:39): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:53:21 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x3f00) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:21 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext={0x7fffffff, 0x7}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x1, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x20000, 0xe, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x4, @perf_bp={&(0x7f0000000080), 0x3}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$SECCOMP_IOCTL_NOTIF_RECV(0xffffffffffffffff, 0xc0502100, &(0x7f00000001c0)={0x0}) ioctl$SECCOMP_IOCTL_NOTIF_ADDFD(0xffffffffffffffff, 0x40182103, &(0x7f0000000040)={r2, 0x1, 0xffffffffffffffff, 0x4, 0x80000}) socket$isdn_base(0x22, 0x3, 0x0) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0x6}) fanotify_init(0x10, 0x8000) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r3, r0, 0x0) socket$netlink(0x10, 0x3, 0xb) 02:53:21 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x38050000, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 747.926578] FAULT_INJECTION: forcing a failure. [ 747.926578] name failslab, interval 1, probability 0, space 0, times 0 [ 747.979541] CPU: 1 PID: 10432 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 747.987472] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 747.993490] block nbd5: Device being setup by another task [ 747.996827] Call Trace: [ 747.996882] dump_stack+0x1fc/0x2fe [ 747.996911] should_fail.cold+0xa/0x14 [ 748.012606] ? setup_fault_attr+0x200/0x200 [ 748.016939] ? should_fail+0x142/0x7b0 [ 748.020849] __should_failslab+0x115/0x180 [ 748.025096] should_failslab+0x5/0xf [ 748.028820] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 748.033943] __kmalloc_node+0x38/0x70 [ 748.037770] blk_alloc_flush_queue+0x120/0x300 [ 748.042364] blk_mq_realloc_hw_ctxs+0x7bc/0x1000 [ 748.047147] blk_mq_init_allocated_queue+0x20c/0x1300 [ 748.052348] ? blkcg_init_queue+0x1fd/0x540 [ 748.056707] blk_mq_init_queue+0x5c/0xa0 [ 748.060784] loop_add+0x2cb/0x8a0 [ 748.064253] loop_control_ioctl+0x16c/0x480 [ 748.068590] ? loop_lookup+0x1d0/0x1d0 [ 748.072498] ? HARDIRQ_verbose+0x10/0x10 [ 748.076583] ? loop_lookup+0x1d0/0x1d0 [ 748.080494] do_vfs_ioctl+0xcdb/0x12e0 [ 748.084394] ? selinux_file_ioctl+0x506/0x6c0 [ 748.088907] ? ioctl_preallocate+0x200/0x200 [ 748.093324] ? selinux_inode_link+0x20/0x20 [ 748.097666] ? __fget+0x356/0x510 [ 748.101213] ? do_dup2+0x450/0x450 [ 748.104789] ? vfs_write+0x393/0x540 [ 748.108524] ksys_ioctl+0x9b/0xc0 [ 748.111990] __x64_sys_ioctl+0x6f/0xb0 [ 748.115905] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 748.120529] do_syscall_64+0xf9/0x620 [ 748.124351] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 748.129555] RIP: 0033:0x45d5b9 [ 748.132774] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 748.151678] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 748.159393] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 748.166674] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 02:53:21 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) r2 = openat$pfkey(0xffffffffffffff9c, &(0x7f00000001c0)='/proc/self/net/pfkey\x00', 0x296882, 0x0) getsockopt$inet_sctp_SCTP_GET_ASSOC_STATS(r2, 0x84, 0x70, &(0x7f0000000240)={0x0, @in6={{0xa, 0x4e20, 0x4, @loopback, 0x2}}, [0xfff, 0x7ff, 0x8, 0x3fc, 0x1, 0xabeb, 0x7, 0xd135, 0x9f, 0x98b, 0x2, 0xb17f, 0x40, 0x8000, 0xdb]}, &(0x7f0000000340)=0x100) ioctl$sock_inet6_udp_SIOCINQ(r2, 0x541b, &(0x7f0000000200)) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r3, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) [ 748.173946] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 748.181226] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000027 [ 748.188507] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:21 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x4000) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:21 executing program 4 (fault-call:2 fault-nth:40): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) [ 748.346372] block nbd5: Device being setup by another task 02:53:21 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x389a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 748.404799] FAULT_INJECTION: forcing a failure. [ 748.404799] name failslab, interval 1, probability 0, space 0, times 0 [ 748.475563] CPU: 0 PID: 10465 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 748.483482] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 748.492865] Call Trace: [ 748.495461] dump_stack+0x1fc/0x2fe [ 748.499100] should_fail.cold+0xa/0x14 [ 748.502999] ? setup_fault_attr+0x200/0x200 [ 748.507333] ? __lockdep_init_map+0x100/0x5a0 [ 748.511942] __should_failslab+0x115/0x180 [ 748.516210] should_failslab+0x5/0xf [ 748.519939] kmem_cache_alloc_node_trace+0x244/0x3b0 02:53:21 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TIOCSETD(r3, 0x5423, &(0x7f0000000540)=0xe) ioctl$TIOCSETD(r3, 0x541b, &(0x7f0000000000)) fsetxattr$trusted_overlay_redirect(0xffffffffffffffff, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) [ 748.525054] __kmalloc_node+0x38/0x70 [ 748.528864] blk_mq_alloc_rq_map+0x120/0x230 [ 748.533365] ? elevator_get+0x29/0x170 [ 748.537263] blk_mq_init_sched+0x219/0x730 [ 748.541521] elevator_init_mq+0xcd/0x160 [ 748.545594] blk_mq_init_allocated_queue+0xe1f/0x1300 [ 748.551066] blk_mq_init_queue+0x5c/0xa0 [ 748.555141] loop_add+0x2cb/0x8a0 [ 748.558606] loop_control_ioctl+0x16c/0x480 [ 748.562940] ? loop_lookup+0x1d0/0x1d0 [ 748.566836] ? HARDIRQ_verbose+0x10/0x10 [ 748.570902] ? fc_attach_transport+0x3ee0/0x4840 [ 748.575672] ? loop_lookup+0x1d0/0x1d0 [ 748.579569] do_vfs_ioctl+0xcdb/0x12e0 [ 748.583477] ? selinux_file_ioctl+0x506/0x6c0 [ 748.587979] ? ioctl_preallocate+0x200/0x200 [ 748.592417] ? selinux_inode_link+0x20/0x20 [ 748.596750] ? __fget+0x356/0x510 [ 748.600215] ? do_dup2+0x450/0x450 [ 748.603762] ? vfs_write+0x393/0x540 [ 748.607496] ksys_ioctl+0x9b/0xc0 [ 748.610963] __x64_sys_ioctl+0x6f/0xb0 [ 748.614861] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 748.619454] do_syscall_64+0xf9/0x620 [ 748.623269] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 748.628462] RIP: 0033:0x45d5b9 [ 748.631660] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 748.650564] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 748.658274] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 748.665542] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 02:53:21 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x4f00) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 748.672810] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 748.680084] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000028 [ 748.687356] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:22 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x6400) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:22 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x6500) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:22 executing program 4 (fault-call:2 fault-nth:41): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:53:22 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x6600) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:22 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x399a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 749.256435] FAULT_INJECTION: forcing a failure. [ 749.256435] name failslab, interval 1, probability 0, space 0, times 0 [ 749.337999] CPU: 1 PID: 10514 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 749.345931] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 749.355297] Call Trace: [ 749.357902] dump_stack+0x1fc/0x2fe [ 749.361546] should_fail.cold+0xa/0x14 [ 749.365445] ? setup_fault_attr+0x200/0x200 [ 749.369777] ? lock_acquire+0x170/0x3c0 [ 749.373770] __should_failslab+0x115/0x180 [ 749.378017] should_failslab+0x5/0xf [ 749.381743] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 749.386880] sbitmap_queue_init_node+0x240/0x6c0 [ 749.391654] blk_mq_init_tags+0x10d/0x2b0 [ 749.395816] blk_mq_alloc_rq_map+0x9d/0x230 [ 749.400146] ? elevator_get+0x29/0x170 [ 749.404044] blk_mq_init_sched+0x219/0x730 [ 749.408303] elevator_init_mq+0xcd/0x160 [ 749.412381] blk_mq_init_allocated_queue+0xe1f/0x1300 [ 749.417594] blk_mq_init_queue+0x5c/0xa0 [ 749.421662] loop_add+0x2cb/0x8a0 [ 749.425126] loop_control_ioctl+0x16c/0x480 [ 749.429454] ? loop_lookup+0x1d0/0x1d0 [ 749.433354] ? HARDIRQ_verbose+0x10/0x10 [ 749.437451] ? __irqentry_text_end+0x1f8892/0x1facf2 [ 749.442592] ? loop_lookup+0x1d0/0x1d0 [ 749.446497] do_vfs_ioctl+0xcdb/0x12e0 [ 749.450402] ? selinux_file_ioctl+0x506/0x6c0 [ 749.454909] ? ioctl_preallocate+0x200/0x200 [ 749.459348] ? selinux_inode_link+0x20/0x20 [ 749.463680] ? __fget+0x356/0x510 [ 749.467147] ? do_dup2+0x450/0x450 [ 749.470693] ? vfs_write+0x393/0x540 [ 749.474777] ksys_ioctl+0x9b/0xc0 [ 749.478244] __x64_sys_ioctl+0x6f/0xb0 [ 749.482140] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 749.486735] do_syscall_64+0xf9/0x620 [ 749.490552] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 749.495748] RIP: 0033:0x45d5b9 [ 749.498946] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 749.517978] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 749.525696] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 749.532977] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 749.540251] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 749.547522] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000029 [ 749.554795] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:22 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) r0 = socket(0x1e, 0x2, 0x0) sendmsg$tipc(r0, &(0x7f0000000040)={&(0x7f00000000c0)=@name={0x1e, 0x2, 0x0, {{0x0, 0x4}}}, 0x10, 0x0}, 0x0) bind$nfc_llcp(r0, &(0x7f00000001c0)={0x27, 0x1, 0x1, 0x1, 0x8, 0x6, "a3d2bb8ff0039c82bcab0b3e97580f3bc12f9afeacd45a283ddfe40cb01bd68dd963ae87cc36634eddfbb2b966eefec0e1c8ebadbd1947e0deb426d5db6568", 0x21}, 0x60) exit_group(0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r1, 0xab00, r2) recvmmsg(0xffffffffffffffff, &(0x7f0000001c00)=[{{&(0x7f0000000240)=@l2tp6={0xa, 0x0, 0x0, @loopback}, 0x80, &(0x7f0000000380)=[{&(0x7f00000002c0)=""/178, 0xb2}], 0x1, &(0x7f00000003c0)=""/141, 0x8d}, 0x62}, {{&(0x7f0000000480)=@x25={0x9, @remote}, 0x80, &(0x7f0000000880)=[{&(0x7f0000000500)=""/254, 0xfe}, {&(0x7f0000000600)=""/130, 0x82}, {&(0x7f00000006c0)=""/241, 0xf1}, {&(0x7f00000007c0)=""/152, 0x98}], 0x4, &(0x7f00000008c0)=""/94, 0x5e}, 0x60}, {{0x0, 0x0, &(0x7f0000001ac0)=[{&(0x7f0000000940)=""/229, 0xe5}, {&(0x7f0000000a40)=""/4096, 0x1000}, {&(0x7f0000001a40)=""/69, 0x45}], 0x3, &(0x7f0000001b00)=""/203, 0xcb}, 0x5}], 0x3, 0x40010000, &(0x7f0000001cc0)={0x0, 0x989680}) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r2, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(0xffffffffffffffff, 0xffffffffffffffff, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:53:22 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x6700) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:22 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x3a9a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:53:23 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0xe803) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:23 executing program 4 (fault-call:2 fault-nth:42): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:53:23 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0xc0000) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:23 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x3b9a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 750.020521] block nbd5: Device being setup by another task [ 750.049587] FAULT_INJECTION: forcing a failure. [ 750.049587] name failslab, interval 1, probability 0, space 0, times 0 [ 750.120524] CPU: 1 PID: 10559 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 750.128448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 750.137806] Call Trace: [ 750.140430] dump_stack+0x1fc/0x2fe [ 750.144078] should_fail.cold+0xa/0x14 [ 750.147980] ? setup_fault_attr+0x200/0x200 [ 750.152313] ? __lockdep_init_map+0x100/0x5a0 [ 750.156831] __should_failslab+0x115/0x180 [ 750.161101] should_failslab+0x5/0xf [ 750.164822] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 750.169956] __kmalloc_node+0x38/0x70 [ 750.173770] blk_mq_alloc_rq_map+0x120/0x230 [ 750.178188] ? elevator_get+0x29/0x170 [ 750.182085] blk_mq_init_sched+0x219/0x730 [ 750.186342] elevator_init_mq+0xcd/0x160 [ 750.190418] blk_mq_init_allocated_queue+0xe1f/0x1300 [ 750.195634] blk_mq_init_queue+0x5c/0xa0 [ 750.199733] loop_add+0x2cb/0x8a0 [ 750.203204] loop_control_ioctl+0x16c/0x480 [ 750.207540] ? loop_lookup+0x1d0/0x1d0 [ 750.211452] ? HARDIRQ_verbose+0x10/0x10 [ 750.215526] ? loop_lookup+0x1d0/0x1d0 [ 750.219425] do_vfs_ioctl+0xcdb/0x12e0 [ 750.223328] ? selinux_file_ioctl+0x506/0x6c0 [ 750.227854] ? ioctl_preallocate+0x200/0x200 [ 750.232294] ? selinux_inode_link+0x20/0x20 [ 750.236655] ? __fget+0x356/0x510 [ 750.240120] ? do_dup2+0x450/0x450 [ 750.243666] ? vfs_write+0x393/0x540 [ 750.247798] ksys_ioctl+0x9b/0xc0 [ 750.251265] __x64_sys_ioctl+0x6f/0xb0 [ 750.255171] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 750.259767] do_syscall_64+0xf9/0x620 [ 750.263598] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 750.268790] RIP: 0033:0x45d5b9 [ 750.271991] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 750.290909] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 750.298646] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 750.305925] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 750.313201] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 750.320477] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000002a [ 750.327751] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:23 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x80ffff) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:23 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext={0x0, 0x8}, 0x0, 0x0, 0x0, 0x1}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) ioctl$NBD_SET_SIZE_BLOCKS(r0, 0xab07, 0x800) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) ioctl$DRM_IOCTL_MODE_DIRTYFB(r2, 0xc01864b1, &(0x7f0000000200)={0x2, 0x3, 0x8, 0x3, &(0x7f00000001c0)=[{0x800, 0x0, 0x5, 0xfffa}, {0x2, 0xb2, 0x5, 0xc7e}, {0xbcef, 0x8, 0x401, 0x100}]}) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:53:23 executing program 4 (fault-call:2 fault-nth:43): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:53:23 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x3c000000, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 750.535333] block nbd5: Device being setup by another task [ 750.605538] FAULT_INJECTION: forcing a failure. [ 750.605538] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 750.698699] CPU: 1 PID: 10587 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 750.706613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 750.715971] Call Trace: [ 750.718577] dump_stack+0x1fc/0x2fe [ 750.722221] should_fail.cold+0xa/0x14 [ 750.726122] ? setup_fault_attr+0x200/0x200 [ 750.730469] __alloc_pages_nodemask+0x239/0x2890 [ 750.735237] ? kasan_kmalloc+0x139/0x160 [ 750.739312] ? __kmalloc_node+0x4c/0x70 [ 750.743296] ? blk_mq_alloc_rq_map+0x120/0x230 [ 750.747887] ? blk_mq_init_sched+0x219/0x730 [ 750.752304] ? elevator_init_mq+0xcd/0x160 [ 750.756547] ? blk_mq_init_allocated_queue+0xe1f/0x1300 [ 750.761930] ? blk_mq_init_queue+0x5c/0xa0 [ 750.766170] ? loop_add+0x2cb/0x8a0 [ 750.769806] ? ksys_ioctl+0x9b/0xc0 [ 750.773449] ? should_fail+0x142/0x7b0 [ 750.777603] ? fs_reclaim_release+0xd0/0x110 [ 750.782028] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 750.786884] ? setup_fault_attr+0x200/0x200 [ 750.791211] ? lock_acquire+0x170/0x3c0 [ 750.795196] ? check_preemption_disabled+0x41/0x280 [ 750.800228] ? should_fail+0x142/0x7b0 [ 750.804129] ? setup_fault_attr+0x200/0x200 [ 750.808465] ? __lockdep_init_map+0x100/0x5a0 [ 750.812967] ? find_next_bit+0x105/0x130 [ 750.817043] ? __cpu_to_node+0x7b/0xa0 [ 750.820946] blk_mq_alloc_rqs+0x242/0x800 [ 750.825114] blk_mq_init_sched+0x26c/0x730 [ 750.829368] elevator_init_mq+0xcd/0x160 [ 750.833442] blk_mq_init_allocated_queue+0xe1f/0x1300 [ 750.838654] blk_mq_init_queue+0x5c/0xa0 [ 750.842730] loop_add+0x2cb/0x8a0 [ 750.846208] loop_control_ioctl+0x16c/0x480 [ 750.850538] ? loop_lookup+0x1d0/0x1d0 [ 750.854464] ? HARDIRQ_verbose+0x10/0x10 [ 750.858552] ? loop_lookup+0x1d0/0x1d0 [ 750.862448] do_vfs_ioctl+0xcdb/0x12e0 [ 750.866345] ? selinux_file_ioctl+0x506/0x6c0 [ 750.870853] ? ioctl_preallocate+0x200/0x200 [ 750.875270] ? selinux_inode_link+0x20/0x20 [ 750.879613] ? __fget+0x356/0x510 [ 750.883079] ? do_dup2+0x450/0x450 [ 750.886628] ? vfs_write+0x393/0x540 [ 750.890363] ksys_ioctl+0x9b/0xc0 [ 750.893828] __x64_sys_ioctl+0x6f/0xb0 [ 750.897720] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 750.902306] do_syscall_64+0xf9/0x620 [ 750.906120] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 750.911487] RIP: 0033:0x45d5b9 [ 750.914686] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 750.933596] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 750.941308] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 02:53:23 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x1000000) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 750.948583] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 750.955859] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 750.963132] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000002b [ 750.970406] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:24 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) [ 751.018067] print_req_error: I/O error, dev nbd5, sector 0 [ 751.024202] Buffer I/O error on dev nbd5, logical block 0, async page read [ 751.034073] print_req_error: I/O error, dev nbd5, sector 2 [ 751.039743] Buffer I/O error on dev nbd5, logical block 1, async page read [ 751.047649] print_req_error: I/O error, dev nbd5, sector 4 [ 751.053414] Buffer I/O error on dev nbd5, logical block 2, async page read [ 751.061434] print_req_error: I/O error, dev nbd5, sector 6 [ 751.067105] Buffer I/O error on dev nbd5, logical block 3, async page read [ 751.074660] print_req_error: I/O error, dev nbd5, sector 0 [ 751.080357] Buffer I/O error on dev nbd5, logical block 0, async page read [ 751.088868] print_req_error: I/O error, dev nbd5, sector 2 [ 751.094763] Buffer I/O error on dev nbd5, logical block 1, async page read [ 751.103652] print_req_error: I/O error, dev nbd5, sector 4 [ 751.109320] Buffer I/O error on dev nbd5, logical block 2, async page read 02:53:24 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x2000000) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 751.117804] print_req_error: I/O error, dev nbd5, sector 6 [ 751.123596] Buffer I/O error on dev nbd5, logical block 3, async page read [ 751.132646] print_req_error: I/O error, dev nbd5, sector 0 [ 751.138345] Buffer I/O error on dev nbd5, logical block 0, async page read [ 751.145856] print_req_error: I/O error, dev nbd5, sector 2 [ 751.151641] Buffer I/O error on dev nbd5, logical block 1, async page read [ 751.165835] ldm_validate_partition_table(): Disk read failed. 02:53:24 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x3c9a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 751.189640] Dev nbd5: unable to read RDB block 0 [ 751.204855] nbd5: unable to read partition table 02:53:24 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x3000000) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:24 executing program 4 (fault-call:2 fault-nth:44): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:53:24 executing program 5: r0 = perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x3}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r1 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r2 = fcntl$dupfd(r0, 0x0, 0xffffffffffffffff) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f00000001c0)={[0xcd45, 0x800, 0x80000001, 0x55f, 0x7, 0x6, 0x3, 0x7fff, 0x5a7a, 0x1, 0x1, 0x0, 0x80000001, 0xffffffffffffffff, 0x79f, 0x4], 0xd000, 0x12003}) r3 = socket(0x2, 0x1, 0x0) ioctl$BTRFS_IOC_GET_DEV_STATS(r2, 0xc4089434, &(0x7f0000000300)={0x0, 0x9, 0x0, [0x8, 0x1, 0x6a, 0x8, 0x100], [0x8000, 0x6e9, 0x4, 0x7, 0x1, 0x5, 0x3, 0x1200000000, 0x8, 0x8, 0x9, 0x9, 0xd4b9, 0x6, 0x5, 0x10009, 0x81, 0x3, 0x1f4, 0x9, 0x40, 0x8000, 0x0, 0x3ff, 0x0, 0x100000000, 0x2, 0x5, 0x8000, 0x8, 0x6, 0x9, 0x400, 0x80, 0x1, 0xcb52, 0x7fffffff, 0x7fff, 0x1, 0x5, 0x0, 0x10001, 0x41, 0xc, 0x7fff, 0xffffffff, 0x3, 0x1ff, 0x101, 0xfffffffffffffeff, 0x1, 0x7, 0x7fffffff, 0x9118, 0x8001, 0x5, 0x8, 0x3f, 0x5, 0x4, 0x8000, 0x80, 0x40, 0x702, 0x100, 0x4, 0x6, 0x0, 0xb, 0x0, 0x0, 0x407, 0xfffffffffffffff7, 0x2, 0x100000000, 0x3b56, 0x3, 0x0, 0x10000000000000bd, 0x6, 0x4, 0x7fff, 0xffff, 0xff, 0x6, 0x3, 0x10001, 0x80000000, 0x3, 0x2, 0x40, 0x4, 0xdd51, 0x3, 0x5, 0x0, 0x4, 0x3, 0x101, 0x10000, 0x8, 0xa4, 0x9c00, 0x8, 0x1ff, 0x0, 0x9, 0x200, 0x7, 0x0, 0x3425, 0xffffffff, 0x2, 0x0, 0x800, 0xffffffffffffb7a2, 0x0, 0x250140000000000, 0x9, 0x4, 0x1]}) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r1, 0xab00, r3) ioctl$NBD_DO_IT(r1, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) ioctl$VIDIOC_SUBDEV_G_EDID(0xffffffffffffffff, 0xc0285628, &(0x7f00000002c0)={0x0, 0x1, 0xfffeffff, [], &(0x7f0000000280)=0x9e}) r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r3, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r4, r1, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:53:24 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x3d9a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 751.470564] FAULT_INJECTION: forcing a failure. [ 751.470564] name failslab, interval 1, probability 0, space 0, times 0 [ 751.481888] CPU: 1 PID: 10635 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 751.489781] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 751.499211] Call Trace: [ 751.501814] dump_stack+0x1fc/0x2fe [ 751.505463] should_fail.cold+0xa/0x14 [ 751.509372] ? setup_fault_attr+0x200/0x200 [ 751.513714] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 751.518781] __should_failslab+0x115/0x180 [ 751.523031] should_failslab+0x5/0xf [ 751.526795] kmem_cache_alloc_node_trace+0x57/0x3b0 [ 751.531830] iolatency_pd_alloc+0x6e/0x120 [ 751.536077] ? iolatency_pd_init+0x6f0/0x6f0 [ 751.540504] blkcg_activate_policy+0x249/0x5d0 [ 751.545155] blk_iolatency_init+0x123/0x2d0 [ 751.549504] blkcg_init_queue+0x1c1/0x540 [ 751.553684] blk_alloc_queue_node+0x788/0xb90 [ 751.558204] blk_mq_init_queue+0x44/0xa0 [ 751.562282] loop_add+0x2cb/0x8a0 [ 751.565752] loop_control_ioctl+0x16c/0x480 [ 751.570099] ? loop_lookup+0x1d0/0x1d0 [ 751.574003] ? HARDIRQ_verbose+0x10/0x10 [ 751.578082] ? loop_lookup+0x1d0/0x1d0 [ 751.581994] do_vfs_ioctl+0xcdb/0x12e0 [ 751.585985] ? selinux_file_ioctl+0x506/0x6c0 [ 751.590495] ? ioctl_preallocate+0x200/0x200 [ 751.594915] ? selinux_inode_link+0x20/0x20 [ 751.599256] ? __fget+0x356/0x510 [ 751.602769] ? do_dup2+0x450/0x450 [ 751.606335] ? vfs_write+0x393/0x540 [ 751.611171] ksys_ioctl+0x9b/0xc0 [ 751.614645] __x64_sys_ioctl+0x6f/0xb0 [ 751.618550] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 751.623152] do_syscall_64+0xf9/0x620 [ 751.626974] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 751.632177] RIP: 0033:0x45d5b9 [ 751.635429] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 751.654341] RSP: 002b:00007f518f4d5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 751.662120] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 751.669402] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 751.676684] RBP: 00007f518f4d5ca0 R08: 0000000000000000 R09: 0000000000000000 [ 751.683967] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000002c [ 751.691249] R13: 00007fff786094ff R14: 00007f518f4d69c0 R15: 000000000118cfec [ 751.819701] ldm_validate_partition_table(): Disk read failed. [ 751.846340] Dev nbd5: unable to read RDB block 0 [ 751.870903] nbd5: unable to read partition table [ 751.913440] ldm_validate_partition_table(): Disk read failed. [ 751.930163] Dev nbd5: unable to read RDB block 0 02:53:25 executing program 4 (fault-call:2 fault-nth:45): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) [ 751.956123] nbd5: unable to read partition table [ 751.974613] block nbd5: Device being setup by another task [ 752.102708] FAULT_INJECTION: forcing a failure. [ 752.102708] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 752.115099] CPU: 1 PID: 10658 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 752.122998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 752.132468] Call Trace: [ 752.135204] dump_stack+0x1fc/0x2fe [ 752.138862] should_fail.cold+0xa/0x14 [ 752.142780] ? lock_acquire+0x170/0x3c0 [ 752.147021] ? setup_fault_attr+0x200/0x200 [ 752.151384] __alloc_pages_nodemask+0x239/0x2890 [ 752.156167] ? __kernel_text_address+0x9/0x30 [ 752.160689] ? should_fail+0x142/0x7b0 [ 752.164689] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 752.170082] ? __lock_acquire+0x6de/0x3ff0 [ 752.174434] ? __alloc_pages_nodemask+0x1b43/0x2890 [ 752.179573] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 752.184602] ? __kmalloc_node+0x4c/0x70 [ 752.188613] ? blk_mq_alloc_rq_map+0x120/0x230 [ 752.193306] ? check_preemption_disabled+0x41/0x280 [ 752.198519] ? perf_trace_lock+0xe2/0x4b0 [ 752.202702] ? perf_trace_lock_acquire+0xef/0x530 [ 752.207662] ? perf_trace_lock_acquire+0x530/0x530 [ 752.212621] ? HARDIRQ_verbose+0x10/0x10 [ 752.217003] ? lock_acquire+0x170/0x3c0 [ 752.221008] ? check_preemption_disabled+0x41/0x280 [ 752.226055] cache_grow_begin+0xa4/0x8a0 [ 752.230525] ? setup_fault_attr+0x200/0x200 [ 752.235050] ? cache_alloc_pfmemalloc+0x1e/0x140 [ 752.239835] cache_alloc_refill+0x273/0x340 [ 752.244354] kmem_cache_alloc_node_trace+0x39e/0x3b0 [ 752.249501] elevator_alloc+0x7a/0x200 [ 752.253459] dd_init_queue+0x20/0x430 [ 752.257462] blk_mq_init_sched+0x395/0x730 [ 752.261735] elevator_init_mq+0xcd/0x160 [ 752.265971] blk_mq_init_allocated_queue+0xe1f/0x1300 [ 752.271348] blk_mq_init_queue+0x5c/0xa0 [ 752.275856] loop_add+0x2cb/0x8a0 [ 752.279351] loop_control_ioctl+0x16c/0x480 [ 752.284104] ? loop_lookup+0x1d0/0x1d0 [ 752.288022] ? HARDIRQ_verbose+0x10/0x10 [ 752.292260] ? loop_lookup+0x1d0/0x1d0 [ 752.296286] do_vfs_ioctl+0xcdb/0x12e0 [ 752.300199] ? selinux_file_ioctl+0x506/0x6c0 [ 752.304811] ? ioctl_preallocate+0x200/0x200 [ 752.309243] ? selinux_inode_link+0x20/0x20 [ 752.313751] ? __fget+0x356/0x510 [ 752.317413] ? do_dup2+0x450/0x450 [ 752.320980] ? vfs_write+0x393/0x540 [ 752.324910] ksys_ioctl+0x9b/0xc0 [ 752.328396] __x64_sys_ioctl+0x6f/0xb0 [ 752.332311] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 752.337005] do_syscall_64+0xf9/0x620 [ 752.340837] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 752.346214] RIP: 0033:0x45d5b9 [ 752.349513] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 752.368755] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 752.376878] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 752.384166] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 752.391572] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 02:53:25 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x4000000) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:25 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x200020047fc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) setsockopt$sock_timeval(0xffffffffffffffff, 0x1, 0x15, &(0x7f0000000080), 0x10) sendto$inet6(0xffffffffffffffff, &(0x7f0000000400)="fa01711425a6b42ddc5c46757f6b420f356f4f008ce309074327bfdd3558461fe59a8fd6186e0a11a693ed5f54b054e87042b72df1ce9aa8d1c176bea1239e42ab4119d8ebba7d7572e655238e8156a75410f44a7665b186275f2182aeae9570569bea3a5a5e22475ef4d24a9fa031de380e0d1a5ddf665a39fa4317200e1cf4457dd6a9c3a948a4d159e7c13db66c42327db092a6924604db4343b6386fd648d7e27be1cfc4ebcd71ff34048236cd59a7d4401307f3277e5ed875001a30134ed752a5b811689ab9c8060db2b73c61fa347bbe6b13411aac0c51618cd32e543960310be51c882ddd5577b9a06c", 0xe3f270009808bfb, 0x2000400d, 0x0, 0xfffffffffffffff2) getsockopt$IP_VS_SO_GET_INFO(0xffffffffffffffff, 0x0, 0x481, &(0x7f0000000200), &(0x7f0000000240)=0xc) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) setsockopt$inet6_tcp_TCP_REPAIR_QUEUE(r2, 0x6, 0x14, &(0x7f00000001c0)=0x2, 0x4) 02:53:25 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x3e9a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 752.398862] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000002d [ 752.406572] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:25 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x5000000) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 752.563988] ldm_validate_partition_table(): Disk read failed. [ 752.600925] Dev nbd5: unable to read RDB block 0 [ 752.645238] nbd5: unable to read partition table 02:53:25 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) r2 = openat$mice(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/input/mice\x00', 0x200) ioctl$SECCOMP_IOCTL_NOTIF_SEND(r2, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0x10fff}) fanotify_init(0x10, 0x8000) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r3, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:53:25 executing program 4 (fault-call:2 fault-nth:46): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:53:26 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x6000000) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 752.689061] ldm_validate_partition_table(): Disk read failed. [ 752.749552] Dev nbd5: unable to read RDB block 0 [ 752.779673] nbd5: unable to read partition table [ 752.854173] ldm_validate_partition_table(): Disk read failed. [ 752.885596] Dev nbd5: unable to read RDB block 0 [ 752.895352] FAULT_INJECTION: forcing a failure. 02:53:26 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x3f000000, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 752.895352] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 752.944422] nbd5: unable to read partition table [ 752.950039] CPU: 1 PID: 10703 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 752.958046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 752.967590] Call Trace: [ 752.970239] dump_stack+0x1fc/0x2fe [ 752.973903] should_fail.cold+0xa/0x14 [ 752.977822] ? setup_fault_attr+0x200/0x200 [ 752.982183] __alloc_pages_nodemask+0x239/0x2890 [ 752.986970] ? kasan_kmalloc+0x139/0x160 [ 752.991061] ? __kmalloc_node+0x4c/0x70 [ 752.995057] ? blk_mq_alloc_rq_map+0x120/0x230 [ 752.999758] ? blk_mq_init_sched+0x219/0x730 [ 753.004447] ? elevator_init_mq+0xcd/0x160 [ 753.008720] ? blk_mq_init_allocated_queue+0xe1f/0x1300 [ 753.014227] ? blk_mq_init_queue+0x5c/0xa0 [ 753.018484] ? loop_add+0x2cb/0x8a0 [ 753.022139] ? ksys_ioctl+0x9b/0xc0 [ 753.025802] ? should_fail+0x142/0x7b0 [ 753.029713] ? fs_reclaim_release+0xd0/0x110 [ 753.034144] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 753.039142] ? setup_fault_attr+0x200/0x200 [ 753.043487] ? lock_acquire+0x170/0x3c0 [ 753.047490] ? check_preemption_disabled+0x41/0x280 [ 753.052537] ? should_fail+0x142/0x7b0 [ 753.056460] ? setup_fault_attr+0x200/0x200 [ 753.060805] ? __lockdep_init_map+0x100/0x5a0 [ 753.065636] ? find_next_bit+0x105/0x130 [ 753.069728] ? __cpu_to_node+0x7b/0xa0 [ 753.073648] blk_mq_alloc_rqs+0x242/0x800 [ 753.077833] blk_mq_init_sched+0x26c/0x730 [ 753.082105] elevator_init_mq+0xcd/0x160 [ 753.086205] blk_mq_init_allocated_queue+0xe1f/0x1300 [ 753.091441] blk_mq_init_queue+0x5c/0xa0 [ 753.095533] loop_add+0x2cb/0x8a0 [ 753.099020] loop_control_ioctl+0x16c/0x480 [ 753.103742] ? loop_lookup+0x1d0/0x1d0 [ 753.107838] ? HARDIRQ_verbose+0x10/0x10 [ 753.111949] ? loop_lookup+0x1d0/0x1d0 [ 753.115958] do_vfs_ioctl+0xcdb/0x12e0 [ 753.120078] ? selinux_file_ioctl+0x506/0x6c0 [ 753.124777] ? ioctl_preallocate+0x200/0x200 [ 753.129216] ? selinux_inode_link+0x20/0x20 [ 753.133655] ? __fget+0x356/0x510 [ 753.137141] ? do_dup2+0x450/0x450 [ 753.140707] ? vfs_write+0x393/0x540 [ 753.144547] ksys_ioctl+0x9b/0xc0 [ 753.148029] __x64_sys_ioctl+0x6f/0xb0 [ 753.152119] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 753.156871] do_syscall_64+0xf9/0x620 [ 753.160704] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 753.166132] RIP: 0033:0x45d5b9 [ 753.169350] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 02:53:26 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x7000000) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 753.188678] RSP: 002b:00007f518f4d5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 753.196542] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 753.204003] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 753.211384] RBP: 00007f518f4d5ca0 R08: 0000000000000000 R09: 0000000000000000 [ 753.218858] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000002e [ 753.226385] R13: 00007fff786094ff R14: 00007f518f4d69c0 R15: 000000000118cfec 02:53:26 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) sendmsg$nl_route(r2, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x2000000}, 0xc, &(0x7f0000000280)={&(0x7f0000000200)=@ipv4_deladdr={0x80, 0x15, 0x100, 0x70bd2a, 0x25dfdbfd, {0x2, 0x8be7ae38d322d85, 0x92, 0xff}, [@IFA_BROADCAST={0x8, 0x4, @multicast2}, @IFA_LABEL={0x14, 0x3, 'macvlan1\x00'}, @IFA_CACHEINFO={0x14, 0x6, {0x0, 0x8, 0x0, 0x112}}, @IFA_CACHEINFO={0x14, 0x6, {0x8, 0x8001, 0xb62, 0x10000}}, @IFA_FLAGS={0x8, 0x8, 0x10}, @IFA_BROADCAST={0x8, 0x4, @multicast2}, @IFA_CACHEINFO={0x14, 0x6, {0x3c71, 0x5, 0x3, 0x6e4}}]}, 0x80}, 0x1, 0x0, 0x0, 0x844}, 0x4000041) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:53:26 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x8000000) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 753.272112] ldm_validate_partition_table(): Disk read failed. [ 753.288491] Dev nbd5: unable to read RDB block 0 [ 753.303922] nbd5: unable to read partition table 02:53:26 executing program 4 (fault-call:2 fault-nth:47): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:53:26 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x9000000) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:26 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x3f9a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 753.527054] ldm_validate_partition_table(): Disk read failed. [ 753.557416] FAULT_INJECTION: forcing a failure. [ 753.557416] name failslab, interval 1, probability 0, space 0, times 0 [ 753.578365] Dev nbd5: unable to read RDB block 0 [ 753.593062] CPU: 0 PID: 10742 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 753.600976] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 753.610600] Call Trace: [ 753.613388] dump_stack+0x1fc/0x2fe [ 753.617068] should_fail.cold+0xa/0x14 [ 753.620986] ? setup_fault_attr+0x200/0x200 [ 753.625447] ? lock_acquire+0x170/0x3c0 [ 753.629460] __should_failslab+0x115/0x180 [ 753.633718] should_failslab+0x5/0xf [ 753.637506] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 753.643260] __alloc_disk_node+0x69/0x410 [ 753.647436] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 753.652136] loop_add+0x39c/0x8a0 [ 753.655805] loop_control_ioctl+0x16c/0x480 [ 753.660155] ? loop_lookup+0x1d0/0x1d0 [ 753.664070] ? HARDIRQ_verbose+0x10/0x10 [ 753.668469] ? loop_lookup+0x1d0/0x1d0 [ 753.672563] do_vfs_ioctl+0xcdb/0x12e0 [ 753.676773] ? selinux_file_ioctl+0x506/0x6c0 [ 753.681299] ? ioctl_preallocate+0x200/0x200 [ 753.685738] ? selinux_inode_link+0x20/0x20 [ 753.690217] ? __fget+0x356/0x510 [ 753.693783] ? do_dup2+0x450/0x450 [ 753.697350] ? vfs_write+0x393/0x540 [ 753.701191] ksys_ioctl+0x9b/0xc0 [ 753.704761] __x64_sys_ioctl+0x6f/0xb0 [ 753.708674] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 753.713372] do_syscall_64+0xf9/0x620 [ 753.717342] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 753.722553] RIP: 0033:0x45d5b9 [ 753.725855] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 753.745042] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 753.752970] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 753.760266] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 753.767631] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 02:53:27 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x40000000, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 753.774924] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000000002f [ 753.782219] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c [ 753.822228] nbd5: unable to read partition table 02:53:27 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) sendmsg$nl_route(r2, &(0x7f00000002c0)={&(0x7f00000001c0)={0x10, 0x0, 0x0, 0x20000}, 0xc, &(0x7f0000000280)={&(0x7f0000000300)=ANY=[@ANYBLOB="48000000160010002bbd7000fddbdf25021052ff", @ANYRES32=0x0, @ANYBLOB="1400030064756d6d793000000000000000000000140003006772653000000000000000000000000008a983e731a54d51f0606d6a6cecc200080000020000"], 0x48}, 0x1, 0x0, 0x0, 0x40001}, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:53:27 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0xa000000) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 753.870693] ldm_validate_partition_table(): Disk read failed. [ 753.898183] Dev nbd5: unable to read RDB block 0 [ 753.905140] nbd5: unable to read partition table 02:53:27 executing program 4 (fault-call:2 fault-nth:48): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:53:27 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x409a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 754.085552] ldm_validate_partition_table(): Disk read failed. [ 754.115266] FAULT_INJECTION: forcing a failure. [ 754.115266] name failslab, interval 1, probability 0, space 0, times 0 [ 754.164516] Dev nbd5: unable to read RDB block 0 [ 754.184533] CPU: 1 PID: 10773 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 754.192632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 754.200483] nbd5: unable to read partition table [ 754.202526] Call Trace: [ 754.202549] dump_stack+0x1fc/0x2fe [ 754.202573] should_fail.cold+0xa/0x14 [ 754.202593] ? setup_fault_attr+0x200/0x200 [ 754.202609] ? lock_acquire+0x170/0x3c0 [ 754.202634] __should_failslab+0x115/0x180 [ 754.230729] should_failslab+0x5/0xf [ 754.234470] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 754.240082] dd_init_queue+0x94/0x430 [ 754.243947] blk_mq_init_sched+0x395/0x730 [ 754.248345] elevator_init_mq+0xcd/0x160 [ 754.252440] blk_mq_init_allocated_queue+0xe1f/0x1300 [ 754.257810] blk_mq_init_queue+0x5c/0xa0 [ 754.262081] loop_add+0x2cb/0x8a0 [ 754.265563] loop_control_ioctl+0x16c/0x480 [ 754.270391] ? loop_lookup+0x1d0/0x1d0 [ 754.274318] ? HARDIRQ_verbose+0x10/0x10 [ 754.278417] ? loop_lookup+0x1d0/0x1d0 [ 754.282435] do_vfs_ioctl+0xcdb/0x12e0 [ 754.286353] ? selinux_file_ioctl+0x506/0x6c0 [ 754.291016] ? ioctl_preallocate+0x200/0x200 [ 754.295453] ? selinux_inode_link+0x20/0x20 [ 754.299806] ? __fget+0x356/0x510 [ 754.303291] ? do_dup2+0x450/0x450 [ 754.306858] ? vfs_write+0x393/0x540 [ 754.310619] ksys_ioctl+0x9b/0xc0 [ 754.314107] __x64_sys_ioctl+0x6f/0xb0 [ 754.318105] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 754.322712] do_syscall_64+0xf9/0x620 [ 754.326544] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 754.331752] RIP: 0033:0x45d5b9 [ 754.334964] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 754.353980] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 754.361715] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 754.369095] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 754.376535] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 754.383915] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000030 [ 754.391326] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:27 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x15, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$SNDCTL_DSP_SYNC(0xffffffffffffffff, 0x5001, 0x0) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) fanotify_init(0x10, 0x8000) r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r2, r0, 0x0) socket$netlink(0x10, 0x3, 0x0) 02:53:27 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0xb000000) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 754.424373] ldm_validate_partition_table(): Disk read failed. [ 754.445069] Dev nbd5: unable to read RDB block 0 [ 754.459253] nbd5: unable to read partition table 02:53:27 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0xc000000) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:27 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0xd000000) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:28 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0xe000000) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) 02:53:28 executing program 4 (fault-call:2 fault-nth:49): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:53:28 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0xf000000) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 755.076670] ldm_validate_partition_table(): Disk read failed. [ 755.101355] FAULT_INJECTION: forcing a failure. [ 755.101355] name failslab, interval 1, probability 0, space 0, times 0 02:53:28 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x419a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 755.135740] Dev nbd5: unable to read RDB block 0 [ 755.167636] nbd5: unable to read partition table [ 755.178916] CPU: 0 PID: 10833 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 755.186920] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 755.196601] Call Trace: [ 755.199243] dump_stack+0x1fc/0x2fe [ 755.202972] should_fail.cold+0xa/0x14 [ 755.207100] ? setup_fault_attr+0x200/0x200 [ 755.211528] ? lock_acquire+0x170/0x3c0 [ 755.215525] __should_failslab+0x115/0x180 [ 755.219771] should_failslab+0x5/0xf [ 755.223500] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 755.228620] dd_init_queue+0x94/0x430 [ 755.232436] blk_mq_init_sched+0x395/0x730 [ 755.236695] elevator_init_mq+0xcd/0x160 [ 755.240779] blk_mq_init_allocated_queue+0xe1f/0x1300 [ 755.246385] blk_mq_init_queue+0x5c/0xa0 [ 755.250612] loop_add+0x2cb/0x8a0 [ 755.254094] loop_control_ioctl+0x16c/0x480 [ 755.258564] ? loop_lookup+0x1d0/0x1d0 [ 755.262473] ? HARDIRQ_verbose+0x10/0x10 [ 755.266611] ? loop_lookup+0x1d0/0x1d0 [ 755.270664] do_vfs_ioctl+0xcdb/0x12e0 [ 755.274572] ? selinux_file_ioctl+0x506/0x6c0 [ 755.279234] ? ioctl_preallocate+0x200/0x200 [ 755.283665] ? selinux_inode_link+0x20/0x20 [ 755.288155] ? __fget+0x356/0x510 [ 755.291629] ? do_dup2+0x450/0x450 [ 755.295183] ? vfs_write+0x393/0x540 [ 755.299078] ksys_ioctl+0x9b/0xc0 [ 755.302611] __x64_sys_ioctl+0x6f/0xb0 [ 755.306604] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 755.311207] do_syscall_64+0xf9/0x620 [ 755.315147] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 755.320485] RIP: 0033:0x45d5b9 [ 755.323697] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 755.342936] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 755.350747] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 755.358026] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 755.365305] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 [ 755.372585] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000031 [ 755.380044] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:28 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x10000000) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 755.425104] ldm_validate_partition_table(): Disk read failed. [ 755.455142] Dev nbd5: unable to read RDB block 0 [ 755.480660] nbd5: unable to read partition table 02:53:28 executing program 4 (fault-call:2 fault-nth:50): r0 = openat$loop_ctrl(0xffffffffffffff9c, &(0x7f0000000000)='/dev/loop-control\x00', 0x0, 0x0) ioctl$LOOP_CTL_REMOVE(r0, 0x4c81, 0x0) ioctl$LOOP_CTL_ADD(r0, 0x4c80, 0x0) 02:53:28 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x429a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) 02:53:28 executing program 5: perf_event_open(&(0x7f0000000100)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) pipe(0x0) clone(0x20002004ffc, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) exit_group(0x0) r0 = syz_open_dev$ndb(&(0x7f0000000080)='/dev/nbd#\x00', 0x0, 0x0) r1 = socket(0x2, 0x1, 0x0) prctl$PR_SET_NO_NEW_PRIVS(0x26, 0x1) ioctl$NBD_SET_SOCK(r0, 0xab00, r1) ioctl$NBD_DO_IT(r0, 0xab03) ioctl$SECCOMP_IOCTL_NOTIF_SEND(0xffffffffffffffff, 0xc0182101, &(0x7f0000000180)={0x0, 0x7, 0xfff}) r2 = fanotify_init(0x10, 0x8000) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cgroup.events\x00', 0x275a, 0x0) socket$inet_udp(0x2, 0x2, 0x0) fsetxattr$trusted_overlay_redirect(r1, &(0x7f0000000000)='trusted.overlay.redirect\x00', &(0x7f00000000c0)='./file0\x00', 0x8, 0x1) dup3(r3, r0, 0x0) ioctl$SG_GET_KEEP_ORPHAN(r2, 0x2288, &(0x7f00000001c0)) socket$netlink(0x10, 0x3, 0x0) [ 755.632921] FAULT_INJECTION: forcing a failure. [ 755.632921] name failslab, interval 1, probability 0, space 0, times 0 [ 755.688055] CPU: 0 PID: 10860 Comm: syz-executor.4 Not tainted 4.19.143-syzkaller #0 [ 755.696258] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 755.705629] Call Trace: [ 755.708236] dump_stack+0x1fc/0x2fe [ 755.711998] should_fail.cold+0xa/0x14 [ 755.715916] ? setup_fault_attr+0x200/0x200 [ 755.720268] ? lock_acquire+0x170/0x3c0 [ 755.724277] __should_failslab+0x115/0x180 [ 755.728538] should_failslab+0x5/0xf [ 755.732284] kmem_cache_alloc_trace+0x284/0x380 [ 755.736976] ? kvasprintf+0xe9/0x150 [ 755.741003] device_add+0xdbf/0x1610 [ 755.744992] ? device_check_offline+0x280/0x280 [ 755.749689] ? kfree_const+0x51/0x60 [ 755.753430] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 755.758572] ? kfree+0x1e2/0x210 [ 755.761972] device_create_groups_vargs+0x1f4/0x270 [ 755.767012] device_create_vargs+0x3a/0x50 [ 755.771668] bdi_register_va.part.0+0x35/0x730 [ 755.776372] bdi_register+0x12a/0x140 [ 755.780258] ? bdi_register_va+0x80/0x80 [ 755.784431] ? vsnprintf+0x2cc/0x14f0 [ 755.788261] bdi_register_owner+0x59/0x100 [ 755.792668] __device_add_disk+0xcd6/0x1070 [ 755.797005] ? sprintf+0xc0/0x100 [ 755.800474] ? blk_alloc_devt+0x2d0/0x2d0 [ 755.804787] ? __init_waitqueue_head+0x31/0x90 [ 755.809445] ? __lockdep_init_map+0x100/0x5a0 [ 755.813968] loop_add+0x626/0x8a0 [ 755.817442] loop_control_ioctl+0x16c/0x480 [ 755.821915] ? loop_lookup+0x1d0/0x1d0 [ 755.825828] ? HARDIRQ_verbose+0x10/0x10 [ 755.829907] ? loop_lookup+0x1d0/0x1d0 [ 755.833817] do_vfs_ioctl+0xcdb/0x12e0 [ 755.837722] ? selinux_file_ioctl+0x506/0x6c0 [ 755.842234] ? ioctl_preallocate+0x200/0x200 [ 755.846810] ? selinux_inode_link+0x20/0x20 [ 755.851333] ? __fget+0x356/0x510 [ 755.855012] ? do_dup2+0x450/0x450 [ 755.858567] ? vfs_write+0x393/0x540 [ 755.862488] ksys_ioctl+0x9b/0xc0 [ 755.865969] __x64_sys_ioctl+0x6f/0xb0 [ 755.869870] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 755.874471] do_syscall_64+0xf9/0x620 [ 755.878291] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 755.883494] RIP: 0033:0x45d5b9 [ 755.886701] Code: 5d 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 2b b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 755.905924] RSP: 002b:00007f518f4f6c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 755.913751] RAX: ffffffffffffffda RBX: 00000000000123c0 RCX: 000000000045d5b9 [ 755.921034] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 755.928316] RBP: 00007f518f4f6ca0 R08: 0000000000000000 R09: 0000000000000000 02:53:29 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f00000006c0)={&(0x7f00000018c0)=@newlink={0x3c, 0x10, 0x401, 0x439a0200, 0x0, {}, [@IFLA_LINKINFO={0x1c, 0x12, 0x0, 0x1, @bridge={{0xb, 0x1, 'bridge\x00'}, {0xc, 0x2, 0x0, 0x1, [@IFLA_BR_PRIORITY={0x6}]}}}]}, 0x3c}}, 0x0) [ 755.935597] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000032 [ 755.942879] R13: 00007fff786094ff R14: 00007f518f4f79c0 R15: 000000000118cf4c 02:53:29 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000bf7000)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_SET_REGS(r2, 0x4090ae82, &(0x7f0000000980)={[0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4c9]}) ioctl$KVM_RUN(r2, 0xae80, 0x0) perf_event_open(&(0x7f00000001c0)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3c43, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffe}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x11000000) r3 = syz_open_procfs(0x0, &(0x7f0000000240)='clear_refs\x00') fcntl$dupfd(r2, 0x0, 0xffffffffffffffff) writev(r3, &(0x7f0000000140)=[{&(0x7f0000000080)='4', 0x1}], 0x1) [ 755.985453] ldm_validate_partition_table(): Disk read failed. [ 755.998676] ------------[ cut here ]------------ [ 756.006284] Dev nbd5: unable to read RDB block 0