Extracting prog: 8m6.691109847s Minimizing prog: 2h59m19.20943792s Simplifying prog options: 25m26.55215366s Extracting C: 5m28.794241746s Simplifying C: 0s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX-socket$nl_generic-syz_genetlink_get_family_id$batadv-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-sendmsg$BATADV_CMD_GET_NEIGHBORS-syz_init_net_socket$nl_generic-socket$rxrpc-connect$rxrpc-sendmsg$inet-sendmsg$inet-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'gre0\x00'}) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) r1 = syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000540)={&(0x7f0000000440)={0xf4, r1, 0x200, 0x70bd2c, 0x25dfdbff, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0xdcdf}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x101}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x3}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x9}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x2}}]}, 0xf4}, 0x1, 0x0, 0x0, 0x814}, 0x20004011) sendmsg$BATADV_CMD_GET_NEIGHBORS(r0, 0x0, 0x4008014) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = socket$rxrpc(0x21, 0x2, 0xa) connect$rxrpc(0xffffffffffffffff, &(0x7f0000000080)=@in6={0x21, 0x3, 0x2, 0x1c, {0xa, 0x0, 0x0, @mcast1}}, 0x24) sendmsg$inet(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0xfffffffffffffd6b, 0x0, 0x0, &(0x7f00000000c0)=[@ip_tos_int={{0x18, 0x110}}], 0x18, 0x4c00}, 0x0) sendmsg$inet(r2, 0x0, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$net_dm(0x0, r3) sendmsg$NET_DM_CMD_START(r3, 0x0, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r5, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r6}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) r7 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r7, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xfffffffd, {0x0, 0x0, 0x0, 0x0, {0x0, 0x1}, {0xffff, 0xffff}, {0xffe0, 0xfff3}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x8}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x200000c0}, 0x0) program crashed: INFO: task hung in read_part_sector single: successfully extracted reproducer found reproducer with 21 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX-socket$nl_generic-syz_genetlink_get_family_id$batadv-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-sendmsg$BATADV_CMD_GET_NEIGHBORS-syz_init_net_socket$nl_generic-socket$rxrpc-connect$rxrpc-sendmsg$inet-sendmsg$inet-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'gre0\x00'}) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) r1 = syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000540)={&(0x7f0000000440)={0xf4, r1, 0x200, 0x70bd2c, 0x25dfdbff, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0xdcdf}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x101}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x3}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x9}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x2}}]}, 0xf4}, 0x1, 0x0, 0x0, 0x814}, 0x20004011) sendmsg$BATADV_CMD_GET_NEIGHBORS(r0, 0x0, 0x4008014) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = socket$rxrpc(0x21, 0x2, 0xa) connect$rxrpc(0xffffffffffffffff, &(0x7f0000000080)=@in6={0x21, 0x3, 0x2, 0x1c, {0xa, 0x0, 0x0, @mcast1}}, 0x24) sendmsg$inet(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0xfffffffffffffd6b, 0x0, 0x0, &(0x7f00000000c0)=[@ip_tos_int={{0x18, 0x110}}], 0x18, 0x4c00}, 0x0) sendmsg$inet(r2, 0x0, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$net_dm(0x0, r3) sendmsg$NET_DM_CMD_START(r3, 0x0, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r5, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r6}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX-socket$nl_generic-syz_genetlink_get_family_id$batadv-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-sendmsg$BATADV_CMD_GET_NEIGHBORS-syz_init_net_socket$nl_generic-socket$rxrpc-connect$rxrpc-sendmsg$inet-sendmsg$inet-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-sendmsg$nl_route_sched detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'gre0\x00'}) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) r1 = syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000540)={&(0x7f0000000440)={0xf4, r1, 0x200, 0x70bd2c, 0x25dfdbff, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0xdcdf}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x101}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x3}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x9}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x2}}]}, 0xf4}, 0x1, 0x0, 0x0, 0x814}, 0x20004011) sendmsg$BATADV_CMD_GET_NEIGHBORS(r0, 0x0, 0x4008014) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = socket$rxrpc(0x21, 0x2, 0xa) connect$rxrpc(0xffffffffffffffff, &(0x7f0000000080)=@in6={0x21, 0x3, 0x2, 0x1c, {0xa, 0x0, 0x0, @mcast1}}, 0x24) sendmsg$inet(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0xfffffffffffffd6b, 0x0, 0x0, &(0x7f00000000c0)=[@ip_tos_int={{0x18, 0x110}}], 0x18, 0x4c00}, 0x0) sendmsg$inet(r2, 0x0, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$net_dm(0x0, r3) sendmsg$NET_DM_CMD_START(r3, 0x0, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r5, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r6}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) r7 = socket(0x400000000010, 0x3, 0x0) sendmsg$nl_route_sched(r7, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xfffffffd, {0x0, 0x0, 0x0, 0x0, {0x0, 0x1}, {0xffff, 0xffff}, {0xffe0, 0xfff3}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x8}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x200000c0}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX-socket$nl_generic-syz_genetlink_get_family_id$batadv-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-sendmsg$BATADV_CMD_GET_NEIGHBORS-syz_init_net_socket$nl_generic-socket$rxrpc-connect$rxrpc-sendmsg$inet-sendmsg$inet-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'gre0\x00'}) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) r1 = syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000540)={&(0x7f0000000440)={0xf4, r1, 0x200, 0x70bd2c, 0x25dfdbff, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0xdcdf}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x101}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x3}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x9}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x2}}]}, 0xf4}, 0x1, 0x0, 0x0, 0x814}, 0x20004011) sendmsg$BATADV_CMD_GET_NEIGHBORS(r0, 0x0, 0x4008014) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = socket$rxrpc(0x21, 0x2, 0xa) connect$rxrpc(0xffffffffffffffff, &(0x7f0000000080)=@in6={0x21, 0x3, 0x2, 0x1c, {0xa, 0x0, 0x0, @mcast1}}, 0x24) sendmsg$inet(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0xfffffffffffffd6b, 0x0, 0x0, &(0x7f00000000c0)=[@ip_tos_int={{0x18, 0x110}}], 0x18, 0x4c00}, 0x0) sendmsg$inet(r2, 0x0, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$net_dm(0x0, r3) sendmsg$NET_DM_CMD_START(r3, 0x0, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r5, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r6}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xfffffffd, {0x0, 0x0, 0x0, 0x0, {0x0, 0x1}, {0xffff, 0xffff}, {0xffe0, 0xfff3}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x8}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x200000c0}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX-socket$nl_generic-syz_genetlink_get_family_id$batadv-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-sendmsg$BATADV_CMD_GET_NEIGHBORS-syz_init_net_socket$nl_generic-socket$rxrpc-connect$rxrpc-sendmsg$inet-sendmsg$inet-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'gre0\x00'}) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) r1 = syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000540)={&(0x7f0000000440)={0xf4, r1, 0x200, 0x70bd2c, 0x25dfdbff, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0xdcdf}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x101}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x3}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x9}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x2}}]}, 0xf4}, 0x1, 0x0, 0x0, 0x814}, 0x20004011) sendmsg$BATADV_CMD_GET_NEIGHBORS(r0, 0x0, 0x4008014) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = socket$rxrpc(0x21, 0x2, 0xa) connect$rxrpc(0xffffffffffffffff, &(0x7f0000000080)=@in6={0x21, 0x3, 0x2, 0x1c, {0xa, 0x0, 0x0, @mcast1}}, 0x24) sendmsg$inet(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0xfffffffffffffd6b, 0x0, 0x0, &(0x7f00000000c0)=[@ip_tos_int={{0x18, 0x110}}], 0x18, 0x4c00}, 0x0) sendmsg$inet(r2, 0x0, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$net_dm(0x0, r3) sendmsg$NET_DM_CMD_START(r3, 0x0, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) r4 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r4, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xfffffffd, {0x0, 0x0, 0x0, 0x0, {0x0, 0x1}, {0xffff, 0xffff}, {0xffe0, 0xfff3}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x8}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x200000c0}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX-socket$nl_generic-syz_genetlink_get_family_id$batadv-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-sendmsg$BATADV_CMD_GET_NEIGHBORS-syz_init_net_socket$nl_generic-socket$rxrpc-connect$rxrpc-sendmsg$inet-sendmsg$inet-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'gre0\x00'}) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) r1 = syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000540)={&(0x7f0000000440)={0xf4, r1, 0x200, 0x70bd2c, 0x25dfdbff, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0xdcdf}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x101}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x3}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x9}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x2}}]}, 0xf4}, 0x1, 0x0, 0x0, 0x814}, 0x20004011) sendmsg$BATADV_CMD_GET_NEIGHBORS(r0, 0x0, 0x4008014) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = socket$rxrpc(0x21, 0x2, 0xa) connect$rxrpc(0xffffffffffffffff, &(0x7f0000000080)=@in6={0x21, 0x3, 0x2, 0x1c, {0xa, 0x0, 0x0, @mcast1}}, 0x24) sendmsg$inet(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0xfffffffffffffd6b, 0x0, 0x0, &(0x7f00000000c0)=[@ip_tos_int={{0x18, 0x110}}], 0x18, 0x4c00}, 0x0) sendmsg$inet(r2, 0x0, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$net_dm(0x0, r3) sendmsg$NET_DM_CMD_START(r3, 0x0, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r5, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) r6 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r6, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xfffffffd, {0x0, 0x0, 0x0, 0x0, {0x0, 0x1}, {0xffff, 0xffff}, {0xffe0, 0xfff3}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x8}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x200000c0}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX-socket$nl_generic-syz_genetlink_get_family_id$batadv-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-sendmsg$BATADV_CMD_GET_NEIGHBORS-syz_init_net_socket$nl_generic-socket$rxrpc-connect$rxrpc-sendmsg$inet-sendmsg$inet-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'gre0\x00'}) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) r1 = syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000540)={&(0x7f0000000440)={0xf4, r1, 0x200, 0x70bd2c, 0x25dfdbff, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0xdcdf}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x101}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x3}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x9}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x2}}]}, 0xf4}, 0x1, 0x0, 0x0, 0x814}, 0x20004011) sendmsg$BATADV_CMD_GET_NEIGHBORS(r0, 0x0, 0x4008014) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = socket$rxrpc(0x21, 0x2, 0xa) connect$rxrpc(0xffffffffffffffff, &(0x7f0000000080)=@in6={0x21, 0x3, 0x2, 0x1c, {0xa, 0x0, 0x0, @mcast1}}, 0x24) sendmsg$inet(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0xfffffffffffffd6b, 0x0, 0x0, &(0x7f00000000c0)=[@ip_tos_int={{0x18, 0x110}}], 0x18, 0x4c00}, 0x0) sendmsg$inet(r2, 0x0, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$net_dm(0x0, r3) sendmsg$NET_DM_CMD_START(r3, 0x0, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, 0x0, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r5}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) r6 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r6, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xfffffffd, {0x0, 0x0, 0x0, 0x0, {0x0, 0x1}, {0xffff, 0xffff}, {0xffe0, 0xfff3}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x8}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x200000c0}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX-socket$nl_generic-syz_genetlink_get_family_id$batadv-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-sendmsg$BATADV_CMD_GET_NEIGHBORS-syz_init_net_socket$nl_generic-socket$rxrpc-connect$rxrpc-sendmsg$inet-sendmsg$inet-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'gre0\x00'}) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) r1 = syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000540)={&(0x7f0000000440)={0xf4, r1, 0x200, 0x70bd2c, 0x25dfdbff, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0xdcdf}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x101}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x3}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x9}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x2}}]}, 0xf4}, 0x1, 0x0, 0x0, 0x814}, 0x20004011) sendmsg$BATADV_CMD_GET_NEIGHBORS(r0, 0x0, 0x4008014) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = socket$rxrpc(0x21, 0x2, 0xa) connect$rxrpc(0xffffffffffffffff, &(0x7f0000000080)=@in6={0x21, 0x3, 0x2, 0x1c, {0xa, 0x0, 0x0, @mcast1}}, 0x24) sendmsg$inet(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0xfffffffffffffd6b, 0x0, 0x0, &(0x7f00000000c0)=[@ip_tos_int={{0x18, 0x110}}], 0x18, 0x4c00}, 0x0) sendmsg$inet(r2, 0x0, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$net_dm(0x0, r3) sendmsg$NET_DM_CMD_START(r3, 0x0, 0x0) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(0xffffffffffffffff, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r4, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r5}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) r6 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r6, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xfffffffd, {0x0, 0x0, 0x0, 0x0, {0x0, 0x1}, {0xffff, 0xffff}, {0xffe0, 0xfff3}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x8}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x200000c0}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX-socket$nl_generic-syz_genetlink_get_family_id$batadv-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-sendmsg$BATADV_CMD_GET_NEIGHBORS-syz_init_net_socket$nl_generic-socket$rxrpc-connect$rxrpc-sendmsg$inet-sendmsg$inet-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$net_dm-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'gre0\x00'}) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) r1 = syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000540)={&(0x7f0000000440)={0xf4, r1, 0x200, 0x70bd2c, 0x25dfdbff, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0xdcdf}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x101}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x3}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x9}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x2}}]}, 0xf4}, 0x1, 0x0, 0x0, 0x814}, 0x20004011) sendmsg$BATADV_CMD_GET_NEIGHBORS(r0, 0x0, 0x4008014) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = socket$rxrpc(0x21, 0x2, 0xa) connect$rxrpc(0xffffffffffffffff, &(0x7f0000000080)=@in6={0x21, 0x3, 0x2, 0x1c, {0xa, 0x0, 0x0, @mcast1}}, 0x24) sendmsg$inet(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0xfffffffffffffd6b, 0x0, 0x0, &(0x7f00000000c0)=[@ip_tos_int={{0x18, 0x110}}], 0x18, 0x4c00}, 0x0) sendmsg$inet(r2, 0x0, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$net_dm(0x0, r3) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r5, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r6}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) r7 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r7, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xfffffffd, {0x0, 0x0, 0x0, 0x0, {0x0, 0x1}, {0xffff, 0xffff}, {0xffe0, 0xfff3}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x8}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x200000c0}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX-socket$nl_generic-syz_genetlink_get_family_id$batadv-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-sendmsg$BATADV_CMD_GET_NEIGHBORS-syz_init_net_socket$nl_generic-socket$rxrpc-connect$rxrpc-sendmsg$inet-sendmsg$inet-syz_init_net_socket$nl_generic-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'gre0\x00'}) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) r1 = syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000540)={&(0x7f0000000440)={0xf4, r1, 0x200, 0x70bd2c, 0x25dfdbff, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0xdcdf}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x101}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x3}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x9}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x2}}]}, 0xf4}, 0x1, 0x0, 0x0, 0x814}, 0x20004011) sendmsg$BATADV_CMD_GET_NEIGHBORS(r0, 0x0, 0x4008014) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = socket$rxrpc(0x21, 0x2, 0xa) connect$rxrpc(0xffffffffffffffff, &(0x7f0000000080)=@in6={0x21, 0x3, 0x2, 0x1c, {0xa, 0x0, 0x0, @mcast1}}, 0x24) sendmsg$inet(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0xfffffffffffffd6b, 0x0, 0x0, &(0x7f00000000c0)=[@ip_tos_int={{0x18, 0x110}}], 0x18, 0x4c00}, 0x0) sendmsg$inet(r2, 0x0, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) sendmsg$NET_DM_CMD_START(r3, 0x0, 0x0) r4 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r5 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r4, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r5, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r6}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) r7 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r7, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xfffffffd, {0x0, 0x0, 0x0, 0x0, {0x0, 0x1}, {0xffff, 0xffff}, {0xffe0, 0xfff3}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x8}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x200000c0}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX-socket$nl_generic-syz_genetlink_get_family_id$batadv-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-sendmsg$BATADV_CMD_GET_NEIGHBORS-syz_init_net_socket$nl_generic-socket$rxrpc-connect$rxrpc-sendmsg$inet-sendmsg$inet-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'gre0\x00'}) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) r1 = syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000540)={&(0x7f0000000440)={0xf4, r1, 0x200, 0x70bd2c, 0x25dfdbff, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0xdcdf}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x101}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x3}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x9}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x2}}]}, 0xf4}, 0x1, 0x0, 0x0, 0x814}, 0x20004011) sendmsg$BATADV_CMD_GET_NEIGHBORS(r0, 0x0, 0x4008014) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = socket$rxrpc(0x21, 0x2, 0xa) connect$rxrpc(0xffffffffffffffff, &(0x7f0000000080)=@in6={0x21, 0x3, 0x2, 0x1c, {0xa, 0x0, 0x0, @mcast1}}, 0x24) sendmsg$inet(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0xfffffffffffffd6b, 0x0, 0x0, &(0x7f00000000c0)=[@ip_tos_int={{0x18, 0x110}}], 0x18, 0x4c00}, 0x0) sendmsg$inet(r2, 0x0, 0x0) syz_genetlink_get_family_id$net_dm(0x0, 0xffffffffffffffff) sendmsg$NET_DM_CMD_START(0xffffffffffffffff, 0x0, 0x0) r3 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r4 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r3, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r4, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r5}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) r6 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r6, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xfffffffd, {0x0, 0x0, 0x0, 0x0, {0x0, 0x1}, {0xffff, 0xffff}, {0xffe0, 0xfff3}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x8}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x200000c0}, 0x0) program crashed: INFO: task hung in read_part_sector testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX-socket$nl_generic-syz_genetlink_get_family_id$batadv-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-sendmsg$BATADV_CMD_GET_NEIGHBORS-syz_init_net_socket$nl_generic-socket$rxrpc-connect$rxrpc-sendmsg$inet-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'gre0\x00'}) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) r1 = syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000540)={&(0x7f0000000440)={0xf4, r1, 0x200, 0x70bd2c, 0x25dfdbff, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0xdcdf}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x101}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x3}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x9}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x2}}]}, 0xf4}, 0x1, 0x0, 0x0, 0x814}, 0x20004011) sendmsg$BATADV_CMD_GET_NEIGHBORS(r0, 0x0, 0x4008014) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$rxrpc(0x21, 0x2, 0xa) connect$rxrpc(0xffffffffffffffff, &(0x7f0000000080)=@in6={0x21, 0x3, 0x2, 0x1c, {0xa, 0x0, 0x0, @mcast1}}, 0x24) sendmsg$inet(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0xfffffffffffffd6b, 0x0, 0x0, &(0x7f00000000c0)=[@ip_tos_int={{0x18, 0x110}}], 0x18, 0x4c00}, 0x0) syz_genetlink_get_family_id$net_dm(0x0, 0xffffffffffffffff) sendmsg$NET_DM_CMD_START(0xffffffffffffffff, 0x0, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r3, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) r5 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r5, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xfffffffd, {0x0, 0x0, 0x0, 0x0, {0x0, 0x1}, {0xffff, 0xffff}, {0xffe0, 0xfff3}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x8}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x200000c0}, 0x0) program crashed: INFO: task hung in read_part_sector testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX-socket$nl_generic-syz_genetlink_get_family_id$batadv-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-sendmsg$BATADV_CMD_GET_NEIGHBORS-syz_init_net_socket$nl_generic-socket$rxrpc-connect$rxrpc-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'gre0\x00'}) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) r1 = syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000540)={&(0x7f0000000440)={0xf4, r1, 0x200, 0x70bd2c, 0x25dfdbff, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0xdcdf}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x101}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x3}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x9}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x2}}]}, 0xf4}, 0x1, 0x0, 0x0, 0x814}, 0x20004011) sendmsg$BATADV_CMD_GET_NEIGHBORS(r0, 0x0, 0x4008014) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$rxrpc(0x21, 0x2, 0xa) connect$rxrpc(0xffffffffffffffff, &(0x7f0000000080)=@in6={0x21, 0x3, 0x2, 0x1c, {0xa, 0x0, 0x0, @mcast1}}, 0x24) syz_genetlink_get_family_id$net_dm(0x0, 0xffffffffffffffff) sendmsg$NET_DM_CMD_START(0xffffffffffffffff, 0x0, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r3, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) r5 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r5, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xfffffffd, {0x0, 0x0, 0x0, 0x0, {0x0, 0x1}, {0xffff, 0xffff}, {0xffe0, 0xfff3}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x8}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x200000c0}, 0x0) program crashed: INFO: task hung in corrupted testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX-socket$nl_generic-syz_genetlink_get_family_id$batadv-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-sendmsg$BATADV_CMD_GET_NEIGHBORS-syz_init_net_socket$nl_generic-socket$rxrpc-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'gre0\x00'}) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) r1 = syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000540)={&(0x7f0000000440)={0xf4, r1, 0x200, 0x70bd2c, 0x25dfdbff, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0xdcdf}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x101}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x3}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x9}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x2}}]}, 0xf4}, 0x1, 0x0, 0x0, 0x814}, 0x20004011) sendmsg$BATADV_CMD_GET_NEIGHBORS(r0, 0x0, 0x4008014) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) socket$rxrpc(0x21, 0x2, 0xa) syz_genetlink_get_family_id$net_dm(0x0, 0xffffffffffffffff) sendmsg$NET_DM_CMD_START(0xffffffffffffffff, 0x0, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r3, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) r5 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r5, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xfffffffd, {0x0, 0x0, 0x0, 0x0, {0x0, 0x1}, {0xffff, 0xffff}, {0xffe0, 0xfff3}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x8}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x200000c0}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX-socket$nl_generic-syz_genetlink_get_family_id$batadv-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-sendmsg$BATADV_CMD_GET_NEIGHBORS-syz_init_net_socket$nl_generic-connect$rxrpc-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'gre0\x00'}) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) r1 = syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000540)={&(0x7f0000000440)={0xf4, r1, 0x200, 0x70bd2c, 0x25dfdbff, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0xdcdf}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x101}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x3}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x9}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x2}}]}, 0xf4}, 0x1, 0x0, 0x0, 0x814}, 0x20004011) sendmsg$BATADV_CMD_GET_NEIGHBORS(r0, 0x0, 0x4008014) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) connect$rxrpc(0xffffffffffffffff, &(0x7f0000000080)=@in6={0x21, 0x3, 0x2, 0x1c, {0xa, 0x0, 0x0, @mcast1}}, 0x24) syz_genetlink_get_family_id$net_dm(0x0, 0xffffffffffffffff) sendmsg$NET_DM_CMD_START(0xffffffffffffffff, 0x0, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r3, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) r5 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r5, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xfffffffd, {0x0, 0x0, 0x0, 0x0, {0x0, 0x1}, {0xffff, 0xffff}, {0xffe0, 0xfff3}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x8}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x200000c0}, 0x0) program crashed: INFO: task hung in read_part_sector testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX-socket$nl_generic-syz_genetlink_get_family_id$batadv-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-sendmsg$BATADV_CMD_GET_NEIGHBORS-connect$rxrpc-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'gre0\x00'}) r0 = socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) r1 = syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000540)={&(0x7f0000000440)={0xf4, r1, 0x200, 0x70bd2c, 0x25dfdbff, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0xdcdf}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x101}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x3}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x9}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x2}}]}, 0xf4}, 0x1, 0x0, 0x0, 0x814}, 0x20004011) sendmsg$BATADV_CMD_GET_NEIGHBORS(r0, 0x0, 0x4008014) connect$rxrpc(0xffffffffffffffff, &(0x7f0000000080)=@in6={0x21, 0x3, 0x2, 0x1c, {0xa, 0x0, 0x0, @mcast1}}, 0x24) syz_genetlink_get_family_id$net_dm(0x0, 0xffffffffffffffff) sendmsg$NET_DM_CMD_START(0xffffffffffffffff, 0x0, 0x0) r2 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r3 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r2, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r3, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r4}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) r5 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r5, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xfffffffd, {0x0, 0x0, 0x0, 0x0, {0x0, 0x1}, {0xffff, 0xffff}, {0xffe0, 0xfff3}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x8}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x200000c0}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX-socket$nl_generic-syz_genetlink_get_family_id$batadv-syz_genetlink_get_family_id$devlink-sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR-syz_init_net_socket$nl_generic-connect$rxrpc-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'gre0\x00'}) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) r0 = syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) sendmsg$DEVLINK_CMD_SB_OCC_MAX_CLEAR(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f0000000340)={0x10, 0x0, 0x0, 0x4000000}, 0xc, &(0x7f0000000540)={&(0x7f0000000440)={0xf4, r0, 0x200, 0x70bd2c, 0x25dfdbff, {}, [{@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0xdcdf}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x101}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x3}}, {@nsim={{0xe}, {0xf, 0x2, {'netdevsim', 0x0}}}, {0x8, 0xb, 0x9}}, {@pci={{0x8}, {0x11}}, {0x8, 0xb, 0x2}}]}, 0xf4}, 0x1, 0x0, 0x0, 0x814}, 0x20004011) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) connect$rxrpc(0xffffffffffffffff, &(0x7f0000000080)=@in6={0x21, 0x3, 0x2, 0x1c, {0xa, 0x0, 0x0, @mcast1}}, 0x24) syz_genetlink_get_family_id$net_dm(0x0, 0xffffffffffffffff) sendmsg$NET_DM_CMD_START(0xffffffffffffffff, 0x0, 0x0) r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r2 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r1, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r2, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r3}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) r4 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r4, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xfffffffd, {0x0, 0x0, 0x0, 0x0, {0x0, 0x1}, {0xffff, 0xffff}, {0xffe0, 0xfff3}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x8}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x200000c0}, 0x0) program crashed: INFO: task hung in read_part_sector testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX-socket$nl_generic-syz_genetlink_get_family_id$batadv-syz_genetlink_get_family_id$devlink-syz_init_net_socket$nl_generic-connect$rxrpc-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'gre0\x00'}) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) syz_genetlink_get_family_id$devlink(0x0, 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) connect$rxrpc(0xffffffffffffffff, &(0x7f0000000080)=@in6={0x21, 0x3, 0x2, 0x1c, {0xa, 0x0, 0x0, @mcast1}}, 0x24) syz_genetlink_get_family_id$net_dm(0x0, 0xffffffffffffffff) sendmsg$NET_DM_CMD_START(0xffffffffffffffff, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r1, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) r3 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r3, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xfffffffd, {0x0, 0x0, 0x0, 0x0, {0x0, 0x1}, {0xffff, 0xffff}, {0xffe0, 0xfff3}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x8}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x200000c0}, 0x0) program crashed: INFO: task hung in read_part_sector testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX-socket$nl_generic-syz_genetlink_get_family_id$batadv-syz_init_net_socket$nl_generic-connect$rxrpc-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'gre0\x00'}) socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$batadv(&(0x7f0000000080), 0xffffffffffffffff) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) connect$rxrpc(0xffffffffffffffff, &(0x7f0000000080)=@in6={0x21, 0x3, 0x2, 0x1c, {0xa, 0x0, 0x0, @mcast1}}, 0x24) syz_genetlink_get_family_id$net_dm(0x0, 0xffffffffffffffff) sendmsg$NET_DM_CMD_START(0xffffffffffffffff, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r1, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) r3 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r3, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xfffffffd, {0x0, 0x0, 0x0, 0x0, {0x0, 0x1}, {0xffff, 0xffff}, {0xffe0, 0xfff3}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x8}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x200000c0}, 0x0) program crashed: INFO: task hung in read_part_sector testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX-socket$nl_generic-syz_init_net_socket$nl_generic-connect$rxrpc-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'gre0\x00'}) socket$nl_generic(0x10, 0x3, 0x10) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) connect$rxrpc(0xffffffffffffffff, &(0x7f0000000080)=@in6={0x21, 0x3, 0x2, 0x1c, {0xa, 0x0, 0x0, @mcast1}}, 0x24) syz_genetlink_get_family_id$net_dm(0x0, 0xffffffffffffffff) sendmsg$NET_DM_CMD_START(0xffffffffffffffff, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r1, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) r3 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r3, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xfffffffd, {0x0, 0x0, 0x0, 0x0, {0x0, 0x1}, {0xffff, 0xffff}, {0xffe0, 0xfff3}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x8}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x200000c0}, 0x0) program crashed: INFO: task hung in read_part_sector testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$nl_generic-connect$rxrpc-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'gre0\x00'}) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) connect$rxrpc(0xffffffffffffffff, &(0x7f0000000080)=@in6={0x21, 0x3, 0x2, 0x1c, {0xa, 0x0, 0x0, @mcast1}}, 0x24) syz_genetlink_get_family_id$net_dm(0x0, 0xffffffffffffffff) sendmsg$NET_DM_CMD_START(0xffffffffffffffff, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r1, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) r3 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r3, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xfffffffd, {0x0, 0x0, 0x0, 0x0, {0x0, 0x1}, {0xffff, 0xffff}, {0xffe0, 0xfff3}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x8}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x200000c0}, 0x0) program crashed: INFO: task hung in read_part_sector testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-connect$rxrpc-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) connect$rxrpc(0xffffffffffffffff, &(0x7f0000000080)=@in6={0x21, 0x3, 0x2, 0x1c, {0xa, 0x0, 0x0, @mcast1}}, 0x24) syz_genetlink_get_family_id$net_dm(0x0, 0xffffffffffffffff) sendmsg$NET_DM_CMD_START(0xffffffffffffffff, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r1, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) r3 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r3, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xfffffffd, {0x0, 0x0, 0x0, 0x0, {0x0, 0x1}, {0xffff, 0xffff}, {0xffe0, 0xfff3}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x8}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x200000c0}, 0x0) program crashed: INFO: task hung in read_part_sector testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-connect$rxrpc-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) connect$rxrpc(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$net_dm(0x0, 0xffffffffffffffff) sendmsg$NET_DM_CMD_START(0xffffffffffffffff, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r1, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) r3 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r3, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xfffffffd, {0x0, 0x0, 0x0, 0x0, {0x0, 0x1}, {0xffff, 0xffff}, {0xffe0, 0xfff3}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x8}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x200000c0}, 0x0) program crashed: INFO: task hung in read_part_sector testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-connect$rxrpc-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) connect$rxrpc(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$net_dm(0x0, 0xffffffffffffffff) sendmsg$NET_DM_CMD_START(0xffffffffffffffff, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(0x0, 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r1, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) r3 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r3, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xfffffffd, {0x0, 0x0, 0x0, 0x0, {0x0, 0x1}, {0xffff, 0xffff}, {0xffe0, 0xfff3}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x8}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x200000c0}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-connect$rxrpc-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) connect$rxrpc(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$net_dm(0x0, 0xffffffffffffffff) sendmsg$NET_DM_CMD_START(0xffffffffffffffff, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, 0x0) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r1, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) r2 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r2, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xfffffffd, {0x0, 0x0, 0x0, 0x0, {0x0, 0x1}, {0xffff, 0xffff}, {0xffe0, 0xfff3}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x8}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x200000c0}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-connect$rxrpc-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) connect$rxrpc(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$net_dm(0x0, 0xffffffffffffffff) sendmsg$NET_DM_CMD_START(0xffffffffffffffff, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) sendmsg$NBD_CMD_CONNECT(r0, 0x0, 0x20000000) r1 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xfffffffd, {0x0, 0x0, 0x0, 0x0, {0x0, 0x1}, {0xffff, 0xffff}, {0xffe0, 0xfff3}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x8}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x200000c0}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-connect$rxrpc-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) connect$rxrpc(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$net_dm(0x0, 0xffffffffffffffff) sendmsg$NET_DM_CMD_START(0xffffffffffffffff, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000001ac0)={0x0, 0x0, 0x0}, 0x20000000) r1 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xfffffffd, {0x0, 0x0, 0x0, 0x0, {0x0, 0x1}, {0xffff, 0xffff}, {0xffe0, 0xfff3}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x8}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x200000c0}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-connect$rxrpc-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) connect$rxrpc(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$net_dm(0x0, 0xffffffffffffffff) sendmsg$NET_DM_CMD_START(0xffffffffffffffff, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={0x0}}, 0x20000000) r1 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xfffffffd, {0x0, 0x0, 0x0, 0x0, {0x0, 0x1}, {0xffff, 0xffff}, {0xffe0, 0xfff3}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x8}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x200000c0}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-connect$rxrpc-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) connect$rxrpc(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$net_dm(0x0, 0xffffffffffffffff) sendmsg$NET_DM_CMD_START(0xffffffffffffffff, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x14, r1, 0x1, 0xfffffffd}, 0x14}}, 0x20000000) r2 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r2, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000000c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xfffffffd, {0x0, 0x0, 0x0, 0x0, {0x0, 0x1}, {0xffff, 0xffff}, {0xffe0, 0xfff3}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x8}}}]}, 0x38}, 0x1, 0x0, 0x0, 0x200000c0}, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-connect$rxrpc-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) connect$rxrpc(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$net_dm(0x0, 0xffffffffffffffff) sendmsg$NET_DM_CMD_START(0xffffffffffffffff, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r1, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) r3 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r3, 0x0, 0x0) program crashed: INFO: task hung in read_part_sector extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-connect$rxrpc-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched program crashed: no output from test machine a never seen crash title: no output from test machine, ignore simplifying guilty program options testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-connect$rxrpc-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) connect$rxrpc(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$net_dm(0x0, 0xffffffffffffffff) sendmsg$NET_DM_CMD_START(0xffffffffffffffff, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r1, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) r3 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r3, 0x0, 0x0) program crashed: INFO: task hung in read_part_sector extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-connect$rxrpc-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-connect$rxrpc-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) connect$rxrpc(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$net_dm(0x0, 0xffffffffffffffff) sendmsg$NET_DM_CMD_START(0xffffffffffffffff, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r1, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) r3 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r3, 0x0, 0x0) program crashed: INFO: task hung in read_part_sector extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-connect$rxrpc-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-connect$rxrpc-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) connect$rxrpc(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$net_dm(0x0, 0xffffffffffffffff) sendmsg$NET_DM_CMD_START(0xffffffffffffffff, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r1, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) r3 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r3, 0x0, 0x0) program crashed: INFO: task hung in read_part_sector validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-connect$rxrpc-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) connect$rxrpc(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$net_dm(0x0, 0xffffffffffffffff) sendmsg$NET_DM_CMD_START(0xffffffffffffffff, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r1, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) r3 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r3, 0x0, 0x0) program did not crash validation run: crashed=false testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-connect$rxrpc-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) connect$rxrpc(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$net_dm(0x0, 0xffffffffffffffff) sendmsg$NET_DM_CMD_START(0xffffffffffffffff, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r1, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) r3 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r3, 0x0, 0x0) program did not crash validation run: crashed=false testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-connect$rxrpc-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) connect$rxrpc(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$net_dm(0x0, 0xffffffffffffffff) sendmsg$NET_DM_CMD_START(0xffffffffffffffff, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r1, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) r3 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r3, 0x0, 0x0) program crashed: INFO: task hung in read_part_sector validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-connect$rxrpc-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) connect$rxrpc(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$net_dm(0x0, 0xffffffffffffffff) sendmsg$NET_DM_CMD_START(0xffffffffffffffff, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r1, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) r3 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r3, 0x0, 0x0) program did not crash validation run: crashed=false testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-connect$rxrpc-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) connect$rxrpc(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$net_dm(0x0, 0xffffffffffffffff) sendmsg$NET_DM_CMD_START(0xffffffffffffffff, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r1, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) r3 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r3, 0x0, 0x0) program did not crash validation run: crashed=false testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_init_net_socket$nl_generic-connect$rxrpc-syz_genetlink_get_family_id$net_dm-sendmsg$NET_DM_CMD_START-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$nbd-socketpair$nbd-sendmsg$NBD_CMD_CONNECT-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched detailed listing: executing program 0: syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) connect$rxrpc(0xffffffffffffffff, 0x0, 0x0) syz_genetlink_get_family_id$net_dm(0x0, 0xffffffffffffffff) sendmsg$NET_DM_CMD_START(0xffffffffffffffff, 0x0, 0x0) r0 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$nbd(&(0x7f0000000000), 0xffffffffffffffff) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000100)={0xffffffffffffffff}) sendmsg$NBD_CMD_CONNECT(r0, &(0x7f0000001ac0)={0x0, 0x0, &(0x7f0000001a80)={&(0x7f0000000140)={0x38, r1, 0x1, 0xfffffffd, 0x0, {}, [@NBD_ATTR_SOCKETS={0x10, 0x7, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, {0x8, 0x1, r2}}]}, @NBD_ATTR_INDEX={0x8, 0x1, 0x0}, @NBD_ATTR_SIZE_BYTES={0xc, 0x2, 0x7fff}]}, 0x38}}, 0x20000000) r3 = socket(0x400000000010, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, 0x0) sendmsg$nl_route_sched(r3, 0x0, 0x0) program crashed: INFO: task hung in read_part_sector validation run: crashed=true reproducing took 4h21m9.157457759s repro crashed as (corrupted=false): INFO: task udevd:5698 blocked in I/O wait for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:udevd state:D stack:24608 pid:5698 tgid:5698 ppid:4987 task_flags:0x400140 flags:0x00080802 Call Trace: context_switch kernel/sched/core.c:5533 [inline] __schedule+0x17db/0x58f0 kernel/sched/core.c:7284 __schedule_loop kernel/sched/core.c:7361 [inline] schedule+0x164/0x2b0 kernel/sched/core.c:7376 io_schedule+0x7f/0xd0 kernel/sched/core.c:8220 folio_wait_bit_common+0x836/0xbc0 mm/filemap.c:1329 folio_put_wait_locked mm/filemap.c:1498 [inline] do_read_cache_folio+0x1ac/0x590 mm/filemap.c:4138 read_mapping_folio include/linux/pagemap.h:1015 [inline] read_part_sector+0xb6/0x2b0 block/partitions/core.c:724 adfspart_check_POWERTEC+0x9a/0x7a0 block/partitions/acorn.c:451 check_partition block/partitions/core.c:143 [inline] blk_add_partitions block/partitions/core.c:591 [inline] bdev_disk_changed+0x851/0x17a0 block/partitions/core.c:695 blkdev_get_whole+0x372/0x510 block/bdev.c:793 bdev_open+0x324/0xd70 block/bdev.c:1002 blkdev_open+0x461/0x600 block/fops.c:679 do_dentry_open+0x816/0x1380 fs/open.c:996 vfs_open+0x3b/0x340 fs/open.c:1101 do_open fs/namei.c:4837 [inline] path_openat+0x1443/0x1d60 fs/namei.c:5000 do_file_open+0x23e/0x4a0 fs/namei.c:5029 do_sys_openat2+0x115/0x200 fs/open.c:1417 do_sys_open fs/open.c:1423 [inline] __do_sys_openat fs/open.c:1439 [inline] __se_sys_openat fs/open.c:1434 [inline] __x64_sys_openat+0x138/0x170 fs/open.c:1434 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa0deca7407 RSP: 002b:00007ffcac893f60 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fa0df351880 RCX: 00007fa0deca7407 RDX: 00000000000a0800 RSI: 000055b07a0d9cf0 RDI: ffffffffffffff9c RBP: 000055b07a0b9910 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 000055b07a0d9860 R13: 000055b07a0c7190 R14: 0000000000000000 R15: 000055b07a0d9860 Showing all locks held in the system: locks held by khungtaskd/32: 1, last CPU#1: #0: ffffffff8fd5c8a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffffffff8fd5c8a0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff8fd5c8a0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6871 locks held by getty/5372: 2, on CPU#0: #0: ffff8880369860a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc9000323b2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45a/0x1360 drivers/tty/n_tty.c:2211 locks held by udevd/5698: 1, on CPU#1: #0: ffff888027f57350 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xde/0xd70 block/bdev.c:990 locks held by kworker/1:4/10006: 3, on CPU#1: #0: ffff88801c06b140 ((wq_completion)events){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffff88801c06b140 ((wq_completion)events){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffff88801c06b140 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3361 [inline] #0: ffff88801c06b140 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3479 #1: ffffc9000424fc40 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #1: ffffc9000424fc40 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #1: ffffc9000424fc40 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3361 [inline] #1: ffffc9000424fc40 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3479 #2: ffff88807a9ca250 (&data->fib_lock){+.+.}-{4:4}, at: nsim_fib_event_work+0x1fd/0x3b0 drivers/net/netdevsim/fib.c:1490 locks held by syz-executor/21014: 4, last CPU#0: #0: ffffffff8fe36530 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm kernel/fork.c:1542 [inline] #0: ffffffff8fe36530 (dup_mmap_sem){.+.+}-{0:0}, at: copy_mm+0x10a/0x480 kernel/fork.c:1595 #1: ffff88807e465900 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:562 [inline] #1: ffff88807e465900 (&mm->mmap_lock){++++}-{4:4}, at: dup_mmap+0x195/0x1dc0 mm/mmap.c:1716 #2: ffff88807b406540 (&mm->mmap_lock/1){+.+.}-{4:4}, at: mmap_write_lock_nested include/linux/mmap_lock.h:552 [inline] #2: ffff88807b406540 (&mm->mmap_lock/1){+.+.}-{4:4}, at: dup_mmap+0x221/0x1dc0 mm/mmap.c:1723 #3: ffffffff8fd5c8a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #3: ffffffff8fd5c8a0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #3: ffffffff8fd5c8a0 (rcu_read_lock){....}-{1:3}, at: __pte_offset_map+0x29/0x240 mm/pgtable-generic.c:290 ============================================= NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 nmi_cpu_backtrace+0x274/0x2d0 lib/nmi_backtrace.c:123 nmi_trigger_cpumask_backtrace+0x17d/0x390 lib/nmi_backtrace.c:66 trigger_all_cpu_backtrace include/linux/nmi.h:164 [inline] __sys_info lib/sys_info.c:157 [inline] sys_info+0x135/0x170 lib/sys_info.c:165 check_hung_uninterruptible_tasks kernel/hung_task.c:353 [inline] watchdog+0xfd7/0x1030 kernel/hung_task.c:561 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 21014 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:__unwind_start+0x3b6/0x660 arch/x86/kernel/unwind_orc.c:757 Code: 10 42 80 3c 38 00 74 08 4c 89 e7 e8 74 b0 c0 00 4d 8b 24 24 4d 89 fd 43 80 3c 3e 00 74 08 48 89 ef e8 5e b0 c0 00 48 8b 73 28 <48> 8d 4b 20 4c 89 e7 48 89 da e8 4b 92 f2 ff 85 c0 74 70 4d 89 ef RSP: 0018:ffffc900032571b0 EFLAGS: 00000246 RAX: 1ffff9200064ae48 RBX: ffffc90003257208 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: ffff8880336bddc0 RDI: ffffc90003257268 RBP: ffffc90003257230 R08: ffffc90003257267 R09: 0000000000000000 R10: ffffc90003257208 R11: fffff5200064ae4d R12: ffffc900032571b0 R13: dffffc0000000000 R14: 1ffff9200064ae46 R15: dffffc0000000000 FS: 000055556efe8500(0000) GS:ffff888123ad0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc1ea9556c8 CR3: 0000000079bec000 CR4: 00000000003526f0 Call Trace: unwind_start arch/x86/include/asm/unwind.h:64 [inline] arch_stack_walk+0xe3/0x150 arch/x86/kernel/stacktrace.c:24 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:57 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 unpoison_slab_object mm/kasan/common.c:351 [inline] __kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:377 kasan_slab_alloc include/linux/kasan.h:253 [inline] slab_post_alloc_hook mm/slub.c:4683 [inline] slab_alloc_node mm/slub.c:4996 [inline] kmem_cache_alloc_noprof+0x2b9/0x600 mm/slub.c:5010 anon_vma_chain_alloc mm/rmap.c:142 [inline] anon_vma_clone+0x3f3/0x9f0 mm/rmap.c:346 anon_vma_fork+0x177/0x540 mm/rmap.c:408 dup_mmap+0x954/0x1dc0 mm/mmap.c:1781 dup_mm kernel/fork.c:1543 [inline] copy_mm+0x115/0x480 kernel/fork.c:1595 copy_process+0x1e79/0x4400 kernel/fork.c:2311 kernel_clone+0x2d7/0x940 kernel/fork.c:2771 __do_sys_clone kernel/fork.c:2913 [inline] __se_sys_clone kernel/fork.c:2897 [inline] __x64_sys_clone+0x1b6/0x230 kernel/fork.c:2897 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc1e9bc6c52 Code: 89 e7 e8 71 8b f7 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 66 89 c5 85 c0 75 3b 64 48 8b 04 25 10 00 00 RSP: 002b:00007ffcae13c870 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007ffcae13c870 RCX: 00007fc1e9bc6c52 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007ffcae13c9fc R08: 0000000000000000 R09: 0000000000000000 R10: 000055556efe87d0 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fc1e9dee3e0 R14: 00000000000a7642 R15: 00007ffcae13ca50 final repro crashed as (corrupted=false): INFO: task udevd:5698 blocked in I/O wait for more than 143 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:udevd state:D stack:24608 pid:5698 tgid:5698 ppid:4987 task_flags:0x400140 flags:0x00080802 Call Trace: context_switch kernel/sched/core.c:5533 [inline] __schedule+0x17db/0x58f0 kernel/sched/core.c:7284 __schedule_loop kernel/sched/core.c:7361 [inline] schedule+0x164/0x2b0 kernel/sched/core.c:7376 io_schedule+0x7f/0xd0 kernel/sched/core.c:8220 folio_wait_bit_common+0x836/0xbc0 mm/filemap.c:1329 folio_put_wait_locked mm/filemap.c:1498 [inline] do_read_cache_folio+0x1ac/0x590 mm/filemap.c:4138 read_mapping_folio include/linux/pagemap.h:1015 [inline] read_part_sector+0xb6/0x2b0 block/partitions/core.c:724 adfspart_check_POWERTEC+0x9a/0x7a0 block/partitions/acorn.c:451 check_partition block/partitions/core.c:143 [inline] blk_add_partitions block/partitions/core.c:591 [inline] bdev_disk_changed+0x851/0x17a0 block/partitions/core.c:695 blkdev_get_whole+0x372/0x510 block/bdev.c:793 bdev_open+0x324/0xd70 block/bdev.c:1002 blkdev_open+0x461/0x600 block/fops.c:679 do_dentry_open+0x816/0x1380 fs/open.c:996 vfs_open+0x3b/0x340 fs/open.c:1101 do_open fs/namei.c:4837 [inline] path_openat+0x1443/0x1d60 fs/namei.c:5000 do_file_open+0x23e/0x4a0 fs/namei.c:5029 do_sys_openat2+0x115/0x200 fs/open.c:1417 do_sys_open fs/open.c:1423 [inline] __do_sys_openat fs/open.c:1439 [inline] __se_sys_openat fs/open.c:1434 [inline] __x64_sys_openat+0x138/0x170 fs/open.c:1434 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fa0deca7407 RSP: 002b:00007ffcac893f60 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fa0df351880 RCX: 00007fa0deca7407 RDX: 00000000000a0800 RSI: 000055b07a0d9cf0 RDI: ffffffffffffff9c RBP: 000055b07a0b9910 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 000055b07a0d9860 R13: 000055b07a0c7190 R14: 0000000000000000 R15: 000055b07a0d9860 Showing all locks held in the system: locks held by khungtaskd/32: 1, last CPU#1: #0: ffffffff8fd5c8a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffffffff8fd5c8a0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffffffff8fd5c8a0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6871 locks held by getty/5372: 2, on CPU#0: #0: ffff8880369860a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243 #1: ffffc9000323b2e8 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45a/0x1360 drivers/tty/n_tty.c:2211 locks held by udevd/5698: 1, on CPU#1: #0: ffff888027f57350 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0xde/0xd70 block/bdev.c:990 locks held by kworker/1:4/10006: 3, on CPU#1: #0: ffff88801c06b140 ((wq_completion)events){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #0: ffff88801c06b140 ((wq_completion)events){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #0: ffff88801c06b140 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3361 [inline] #0: ffff88801c06b140 ((wq_completion)events){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3479 #1: ffffc9000424fc40 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #1: ffffc9000424fc40 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #1: ffffc9000424fc40 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3361 [inline] #1: ffffc9000424fc40 ((work_completion)(&data->fib_event_work)){+.+.}-{0:0}, at: process_scheduled_works+0x97a/0x1630 kernel/workqueue.c:3479 #2: ffff88807a9ca250 (&data->fib_lock){+.+.}-{4:4}, at: nsim_fib_event_work+0x1fd/0x3b0 drivers/net/netdevsim/fib.c:1490 locks held by syz-executor/21014: 4, last CPU#0: #0: ffffffff8fe36530 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm kernel/fork.c:1542 [inline] #0: ffffffff8fe36530 (dup_mmap_sem){.+.+}-{0:0}, at: copy_mm+0x10a/0x480 kernel/fork.c:1595 #1: ffff88807e465900 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:562 [inline] #1: ffff88807e465900 (&mm->mmap_lock){++++}-{4:4}, at: dup_mmap+0x195/0x1dc0 mm/mmap.c:1716 #2: ffff88807b406540 (&mm->mmap_lock/1){+.+.}-{4:4}, at: mmap_write_lock_nested include/linux/mmap_lock.h:552 [inline] #2: ffff88807b406540 (&mm->mmap_lock/1){+.+.}-{4:4}, at: dup_mmap+0x221/0x1dc0 mm/mmap.c:1723 #3: ffffffff8fd5c8a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:309 [inline] #3: ffffffff8fd5c8a0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #3: ffffffff8fd5c8a0 (rcu_read_lock){....}-{1:3}, at: __pte_offset_map+0x29/0x240 mm/pgtable-generic.c:290 ============================================= NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 32 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 Call Trace: dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120 nmi_cpu_backtrace+0x274/0x2d0 lib/nmi_backtrace.c:123 nmi_trigger_cpumask_backtrace+0x17d/0x390 lib/nmi_backtrace.c:66 trigger_all_cpu_backtrace include/linux/nmi.h:164 [inline] __sys_info lib/sys_info.c:157 [inline] sys_info+0x135/0x170 lib/sys_info.c:165 check_hung_uninterruptible_tasks kernel/hung_task.c:353 [inline] watchdog+0xfd7/0x1030 kernel/hung_task.c:561 kthread+0x38b/0x480 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 21014 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 RIP: 0010:__unwind_start+0x3b6/0x660 arch/x86/kernel/unwind_orc.c:757 Code: 10 42 80 3c 38 00 74 08 4c 89 e7 e8 74 b0 c0 00 4d 8b 24 24 4d 89 fd 43 80 3c 3e 00 74 08 48 89 ef e8 5e b0 c0 00 48 8b 73 28 <48> 8d 4b 20 4c 89 e7 48 89 da e8 4b 92 f2 ff 85 c0 74 70 4d 89 ef RSP: 0018:ffffc900032571b0 EFLAGS: 00000246 RAX: 1ffff9200064ae48 RBX: ffffc90003257208 RCX: dffffc0000000000 RDX: 0000000000000000 RSI: ffff8880336bddc0 RDI: ffffc90003257268 RBP: ffffc90003257230 R08: ffffc90003257267 R09: 0000000000000000 R10: ffffc90003257208 R11: fffff5200064ae4d R12: ffffc900032571b0 R13: dffffc0000000000 R14: 1ffff9200064ae46 R15: dffffc0000000000 FS: 000055556efe8500(0000) GS:ffff888123ad0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc1ea9556c8 CR3: 0000000079bec000 CR4: 00000000003526f0 Call Trace: unwind_start arch/x86/include/asm/unwind.h:64 [inline] arch_stack_walk+0xe3/0x150 arch/x86/kernel/stacktrace.c:24 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:57 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 unpoison_slab_object mm/kasan/common.c:351 [inline] __kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:377 kasan_slab_alloc include/linux/kasan.h:253 [inline] slab_post_alloc_hook mm/slub.c:4683 [inline] slab_alloc_node mm/slub.c:4996 [inline] kmem_cache_alloc_noprof+0x2b9/0x600 mm/slub.c:5010 anon_vma_chain_alloc mm/rmap.c:142 [inline] anon_vma_clone+0x3f3/0x9f0 mm/rmap.c:346 anon_vma_fork+0x177/0x540 mm/rmap.c:408 dup_mmap+0x954/0x1dc0 mm/mmap.c:1781 dup_mm kernel/fork.c:1543 [inline] copy_mm+0x115/0x480 kernel/fork.c:1595 copy_process+0x1e79/0x4400 kernel/fork.c:2311 kernel_clone+0x2d7/0x940 kernel/fork.c:2771 __do_sys_clone kernel/fork.c:2913 [inline] __se_sys_clone kernel/fork.c:2897 [inline] __x64_sys_clone+0x1b6/0x230 kernel/fork.c:2897 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc1e9bc6c52 Code: 89 e7 e8 71 8b f7 ff 45 31 c0 31 d2 31 f6 64 48 8b 04 25 10 00 00 00 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 66 89 c5 85 c0 75 3b 64 48 8b 04 25 10 00 00 RSP: 002b:00007ffcae13c870 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007ffcae13c870 RCX: 00007fc1e9bc6c52 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007ffcae13c9fc R08: 0000000000000000 R09: 0000000000000000 R10: 000055556efe87d0 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fc1e9dee3e0 R14: 00000000000a7642 R15: 00007ffcae13ca50