Extracting prog: 37.129579145s Minimizing prog: 49m45.408296017s Simplifying prog options: 0s Extracting C: 1m40.228446839s Simplifying C: 24m7.551007074s extracting reproducer from 27 programs first checking the prog from the crash report single: executing 1 programs separately with timeout 30s testing program (duration=30s, {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}}): timer_create-syz_open_dev$sg-ioctl$vim2m_VIDIOC_S_FMT-prlimit64-sched_setscheduler-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-sendmsg$IPSET_CMD_CREATE-syz_init_net_socket$bt_sco-socketpair$unix-syz_init_net_socket$ax25-bind$ax25-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE-socket-connect$inet-setsockopt$SO_RDS_TRANSPORT-bind$inet6-ioctl$sock_netrom_SIOCADDRT-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private detailed listing: executing program 0: timer_create(0x1, &(0x7f0000000280)={0x0, 0x32, 0x4, @thr={0x0, 0x0}}, &(0x7f0000000300)) syz_open_dev$sg(0x0, 0x5, 0x484ec1) ioctl$vim2m_VIDIOC_S_FMT(0xffffffffffffffff, 0xc0d05605, &(0x7f0000000140)={0x3, @raw_data="dea233684c996156af0d4bd8e3300217e750b8c97b7123d48003e7e1d3be5f710c41a1db6719881876e9bcc6e2f73c67cc6b675eb43188b5b7f9f898868de9a9c5d536d418ba283121a73a5aba55a87d2a2525295f4492bbde02ad8bc8e88779f2de06f38e99172df4d45b6f13c813dee4230c204a93172922b778fef7a1f89ce876bb89d44cd705bbb28db4869dfac20d928950507acd92c02d17f51b0a627539f6e0a0bdb92004bc6252cd35e8cd100962db9a83ad63a4e7e1ca17c1b6aac63fefa9bebe429d00"}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000180)=0x4) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$MSR(&(0x7f0000000340), 0xd, 0x0) read$msr(r0, &(0x7f0000019680)=""/102392, 0x18ff8) sendmsg$IPSET_CMD_CREATE(0xffffffffffffffff, 0x0, 0x24004080) r1 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = syz_init_net_socket$ax25(0x3, 0x0, 0x8) bind$ax25(r3, &(0x7f0000000100)={{0x3, @null, 0x1}, [@rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast, @null, @null]}, 0x48) ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r4 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(r4, 0x8914, &(0x7f0000000000)) r5 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r5, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) r6 = socket(0x40000000015, 0x5, 0x0) connect$inet(r6, &(0x7f00000000c0)={0x2, 0x8, @loopback}, 0x10) setsockopt$SO_RDS_TRANSPORT(r6, 0x114, 0x8, &(0x7f00000008c0)=0x2, 0x4) bind$inet6(r6, &(0x7f0000000000)={0xa, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @empty}, 0x8f}, 0x1c) ioctl$sock_netrom_SIOCADDRT(0xffffffffffffffff, 0x890b, 0x0) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d) ioctl$sock_netdev_private(r1, 0x8914, &(0x7f0000000000)) program crashed: KASAN: use-after-free Read in ax25_release single: successfully extracted reproducer found reproducer with 27 syscalls minimizing guilty program testing program (duration=46.306761484s, {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}}): timer_create-syz_open_dev$sg-ioctl$vim2m_VIDIOC_S_FMT-prlimit64-sched_setscheduler-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-sendmsg$IPSET_CMD_CREATE-syz_init_net_socket$bt_sco-socketpair$unix-syz_init_net_socket$ax25-bind$ax25-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE-socket-connect$inet-setsockopt$SO_RDS_TRANSPORT-bind$inet6-ioctl$sock_netrom_SIOCADDRT-setsockopt$ax25_SO_BINDTODEVICE detailed listing: executing program 0: timer_create(0x1, &(0x7f0000000280)={0x0, 0x32, 0x4, @thr={0x0, 0x0}}, &(0x7f0000000300)) syz_open_dev$sg(0x0, 0x5, 0x484ec1) ioctl$vim2m_VIDIOC_S_FMT(0xffffffffffffffff, 0xc0d05605, &(0x7f0000000140)={0x3, @raw_data="dea233684c996156af0d4bd8e3300217e750b8c97b7123d48003e7e1d3be5f710c41a1db6719881876e9bcc6e2f73c67cc6b675eb43188b5b7f9f898868de9a9c5d536d418ba283121a73a5aba55a87d2a2525295f4492bbde02ad8bc8e88779f2de06f38e99172df4d45b6f13c813dee4230c204a93172922b778fef7a1f89ce876bb89d44cd705bbb28db4869dfac20d928950507acd92c02d17f51b0a627539f6e0a0bdb92004bc6252cd35e8cd100962db9a83ad63a4e7e1ca17c1b6aac63fefa9bebe429d00"}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000180)=0x4) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$MSR(&(0x7f0000000340), 0xd, 0x0) read$msr(r0, &(0x7f0000019680)=""/102392, 0x18ff8) sendmsg$IPSET_CMD_CREATE(0xffffffffffffffff, 0x0, 0x24004080) syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = syz_init_net_socket$ax25(0x3, 0x0, 0x8) bind$ax25(r2, &(0x7f0000000100)={{0x3, @null, 0x1}, [@rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast, @null, @null]}, 0x48) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r3 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(r3, 0x8914, &(0x7f0000000000)) r4 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r4, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) r5 = socket(0x40000000015, 0x5, 0x0) connect$inet(r5, &(0x7f00000000c0)={0x2, 0x8, @loopback}, 0x10) setsockopt$SO_RDS_TRANSPORT(r5, 0x114, 0x8, &(0x7f00000008c0)=0x2, 0x4) bind$inet6(r5, &(0x7f0000000000)={0xa, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @empty}, 0x8f}, 0x1c) ioctl$sock_netrom_SIOCADDRT(0xffffffffffffffff, 0x890b, 0x0) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0xfffffffffffffe1d) program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing program (duration=46.306761484s, {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}}): timer_create-syz_open_dev$sg-ioctl$vim2m_VIDIOC_S_FMT-prlimit64-sched_setscheduler-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-sendmsg$IPSET_CMD_CREATE-syz_init_net_socket$bt_sco-socketpair$unix-syz_init_net_socket$ax25-bind$ax25-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE-socket-connect$inet-setsockopt$SO_RDS_TRANSPORT-bind$inet6-ioctl$sock_netrom_SIOCADDRT detailed listing: executing program 0: timer_create(0x1, &(0x7f0000000280)={0x0, 0x32, 0x4, @thr={0x0, 0x0}}, &(0x7f0000000300)) syz_open_dev$sg(0x0, 0x5, 0x484ec1) ioctl$vim2m_VIDIOC_S_FMT(0xffffffffffffffff, 0xc0d05605, &(0x7f0000000140)={0x3, @raw_data="dea233684c996156af0d4bd8e3300217e750b8c97b7123d48003e7e1d3be5f710c41a1db6719881876e9bcc6e2f73c67cc6b675eb43188b5b7f9f898868de9a9c5d536d418ba283121a73a5aba55a87d2a2525295f4492bbde02ad8bc8e88779f2de06f38e99172df4d45b6f13c813dee4230c204a93172922b778fef7a1f89ce876bb89d44cd705bbb28db4869dfac20d928950507acd92c02d17f51b0a627539f6e0a0bdb92004bc6252cd35e8cd100962db9a83ad63a4e7e1ca17c1b6aac63fefa9bebe429d00"}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000180)=0x4) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$MSR(&(0x7f0000000340), 0xd, 0x0) read$msr(r0, &(0x7f0000019680)=""/102392, 0x18ff8) sendmsg$IPSET_CMD_CREATE(0xffffffffffffffff, 0x0, 0x24004080) syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = syz_init_net_socket$ax25(0x3, 0x0, 0x8) bind$ax25(r2, &(0x7f0000000100)={{0x3, @null, 0x1}, [@rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast, @null, @null]}, 0x48) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r3 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(r3, 0x8914, &(0x7f0000000000)) r4 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r4, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) r5 = socket(0x40000000015, 0x5, 0x0) connect$inet(r5, &(0x7f00000000c0)={0x2, 0x8, @loopback}, 0x10) setsockopt$SO_RDS_TRANSPORT(r5, 0x114, 0x8, &(0x7f00000008c0)=0x2, 0x4) bind$inet6(r5, &(0x7f0000000000)={0xa, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @empty}, 0x8f}, 0x1c) ioctl$sock_netrom_SIOCADDRT(0xffffffffffffffff, 0x890b, 0x0) program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing program (duration=46.306761484s, {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}}): timer_create-syz_open_dev$sg-ioctl$vim2m_VIDIOC_S_FMT-prlimit64-sched_setscheduler-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-sendmsg$IPSET_CMD_CREATE-syz_init_net_socket$bt_sco-socketpair$unix-syz_init_net_socket$ax25-bind$ax25-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE-socket-connect$inet-setsockopt$SO_RDS_TRANSPORT-bind$inet6 detailed listing: executing program 0: timer_create(0x1, &(0x7f0000000280)={0x0, 0x32, 0x4, @thr={0x0, 0x0}}, &(0x7f0000000300)) syz_open_dev$sg(0x0, 0x5, 0x484ec1) ioctl$vim2m_VIDIOC_S_FMT(0xffffffffffffffff, 0xc0d05605, &(0x7f0000000140)={0x3, @raw_data="dea233684c996156af0d4bd8e3300217e750b8c97b7123d48003e7e1d3be5f710c41a1db6719881876e9bcc6e2f73c67cc6b675eb43188b5b7f9f898868de9a9c5d536d418ba283121a73a5aba55a87d2a2525295f4492bbde02ad8bc8e88779f2de06f38e99172df4d45b6f13c813dee4230c204a93172922b778fef7a1f89ce876bb89d44cd705bbb28db4869dfac20d928950507acd92c02d17f51b0a627539f6e0a0bdb92004bc6252cd35e8cd100962db9a83ad63a4e7e1ca17c1b6aac63fefa9bebe429d00"}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000180)=0x4) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$MSR(&(0x7f0000000340), 0xd, 0x0) read$msr(r0, &(0x7f0000019680)=""/102392, 0x18ff8) sendmsg$IPSET_CMD_CREATE(0xffffffffffffffff, 0x0, 0x24004080) syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = syz_init_net_socket$ax25(0x3, 0x0, 0x8) bind$ax25(r2, &(0x7f0000000100)={{0x3, @null, 0x1}, [@rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast, @null, @null]}, 0x48) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r3 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(r3, 0x8914, &(0x7f0000000000)) r4 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r4, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) r5 = socket(0x40000000015, 0x5, 0x0) connect$inet(r5, &(0x7f00000000c0)={0x2, 0x8, @loopback}, 0x10) setsockopt$SO_RDS_TRANSPORT(r5, 0x114, 0x8, &(0x7f00000008c0)=0x2, 0x4) bind$inet6(r5, &(0x7f0000000000)={0xa, 0x0, 0x0, @ipv4={'\x00', '\xff\xff', @empty}, 0x8f}, 0x1c) program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing program (duration=46.306761484s, {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}}): timer_create-syz_open_dev$sg-ioctl$vim2m_VIDIOC_S_FMT-prlimit64-sched_setscheduler-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-sendmsg$IPSET_CMD_CREATE-syz_init_net_socket$bt_sco-socketpair$unix-syz_init_net_socket$ax25-bind$ax25-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE-socket-connect$inet-setsockopt$SO_RDS_TRANSPORT detailed listing: executing program 0: timer_create(0x1, &(0x7f0000000280)={0x0, 0x32, 0x4, @thr={0x0, 0x0}}, &(0x7f0000000300)) syz_open_dev$sg(0x0, 0x5, 0x484ec1) ioctl$vim2m_VIDIOC_S_FMT(0xffffffffffffffff, 0xc0d05605, &(0x7f0000000140)={0x3, @raw_data="dea233684c996156af0d4bd8e3300217e750b8c97b7123d48003e7e1d3be5f710c41a1db6719881876e9bcc6e2f73c67cc6b675eb43188b5b7f9f898868de9a9c5d536d418ba283121a73a5aba55a87d2a2525295f4492bbde02ad8bc8e88779f2de06f38e99172df4d45b6f13c813dee4230c204a93172922b778fef7a1f89ce876bb89d44cd705bbb28db4869dfac20d928950507acd92c02d17f51b0a627539f6e0a0bdb92004bc6252cd35e8cd100962db9a83ad63a4e7e1ca17c1b6aac63fefa9bebe429d00"}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000180)=0x4) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$MSR(&(0x7f0000000340), 0xd, 0x0) read$msr(r0, &(0x7f0000019680)=""/102392, 0x18ff8) sendmsg$IPSET_CMD_CREATE(0xffffffffffffffff, 0x0, 0x24004080) syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = syz_init_net_socket$ax25(0x3, 0x0, 0x8) bind$ax25(r2, &(0x7f0000000100)={{0x3, @null, 0x1}, [@rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast, @null, @null]}, 0x48) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r3 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(r3, 0x8914, &(0x7f0000000000)) r4 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r4, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) r5 = socket(0x40000000015, 0x5, 0x0) connect$inet(r5, &(0x7f00000000c0)={0x2, 0x8, @loopback}, 0x10) setsockopt$SO_RDS_TRANSPORT(r5, 0x114, 0x8, &(0x7f00000008c0)=0x2, 0x4) program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing program (duration=46.306761484s, {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}}): timer_create-syz_open_dev$sg-ioctl$vim2m_VIDIOC_S_FMT-prlimit64-sched_setscheduler-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-sendmsg$IPSET_CMD_CREATE-syz_init_net_socket$bt_sco-socketpair$unix-syz_init_net_socket$ax25-bind$ax25-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE-socket-connect$inet detailed listing: executing program 0: timer_create(0x1, &(0x7f0000000280)={0x0, 0x32, 0x4, @thr={0x0, 0x0}}, &(0x7f0000000300)) syz_open_dev$sg(0x0, 0x5, 0x484ec1) ioctl$vim2m_VIDIOC_S_FMT(0xffffffffffffffff, 0xc0d05605, &(0x7f0000000140)={0x3, @raw_data="dea233684c996156af0d4bd8e3300217e750b8c97b7123d48003e7e1d3be5f710c41a1db6719881876e9bcc6e2f73c67cc6b675eb43188b5b7f9f898868de9a9c5d536d418ba283121a73a5aba55a87d2a2525295f4492bbde02ad8bc8e88779f2de06f38e99172df4d45b6f13c813dee4230c204a93172922b778fef7a1f89ce876bb89d44cd705bbb28db4869dfac20d928950507acd92c02d17f51b0a627539f6e0a0bdb92004bc6252cd35e8cd100962db9a83ad63a4e7e1ca17c1b6aac63fefa9bebe429d00"}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000180)=0x4) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$MSR(&(0x7f0000000340), 0xd, 0x0) read$msr(r0, &(0x7f0000019680)=""/102392, 0x18ff8) sendmsg$IPSET_CMD_CREATE(0xffffffffffffffff, 0x0, 0x24004080) syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = syz_init_net_socket$ax25(0x3, 0x0, 0x8) bind$ax25(r2, &(0x7f0000000100)={{0x3, @null, 0x1}, [@rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast, @null, @null]}, 0x48) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r3 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(r3, 0x8914, &(0x7f0000000000)) r4 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r4, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) r5 = socket(0x40000000015, 0x5, 0x0) connect$inet(r5, &(0x7f00000000c0)={0x2, 0x8, @loopback}, 0x10) program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing program (duration=46.306761484s, {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}}): timer_create-syz_open_dev$sg-ioctl$vim2m_VIDIOC_S_FMT-prlimit64-sched_setscheduler-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-sendmsg$IPSET_CMD_CREATE-syz_init_net_socket$bt_sco-socketpair$unix-syz_init_net_socket$ax25-bind$ax25-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE-socket detailed listing: executing program 0: timer_create(0x1, &(0x7f0000000280)={0x0, 0x32, 0x4, @thr={0x0, 0x0}}, &(0x7f0000000300)) syz_open_dev$sg(0x0, 0x5, 0x484ec1) ioctl$vim2m_VIDIOC_S_FMT(0xffffffffffffffff, 0xc0d05605, &(0x7f0000000140)={0x3, @raw_data="dea233684c996156af0d4bd8e3300217e750b8c97b7123d48003e7e1d3be5f710c41a1db6719881876e9bcc6e2f73c67cc6b675eb43188b5b7f9f898868de9a9c5d536d418ba283121a73a5aba55a87d2a2525295f4492bbde02ad8bc8e88779f2de06f38e99172df4d45b6f13c813dee4230c204a93172922b778fef7a1f89ce876bb89d44cd705bbb28db4869dfac20d928950507acd92c02d17f51b0a627539f6e0a0bdb92004bc6252cd35e8cd100962db9a83ad63a4e7e1ca17c1b6aac63fefa9bebe429d00"}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000180)=0x4) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$MSR(&(0x7f0000000340), 0xd, 0x0) read$msr(r0, &(0x7f0000019680)=""/102392, 0x18ff8) sendmsg$IPSET_CMD_CREATE(0xffffffffffffffff, 0x0, 0x24004080) syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = syz_init_net_socket$ax25(0x3, 0x0, 0x8) bind$ax25(r2, &(0x7f0000000100)={{0x3, @null, 0x1}, [@rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast, @null, @null]}, 0x48) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r3 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(r3, 0x8914, &(0x7f0000000000)) r4 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r4, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) socket(0x40000000015, 0x5, 0x0) program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing program (duration=46.306761484s, {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}}): timer_create-syz_open_dev$sg-ioctl$vim2m_VIDIOC_S_FMT-prlimit64-sched_setscheduler-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-sendmsg$IPSET_CMD_CREATE-syz_init_net_socket$bt_sco-socketpair$unix-syz_init_net_socket$ax25-bind$ax25-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE detailed listing: executing program 0: timer_create(0x1, &(0x7f0000000280)={0x0, 0x32, 0x4, @thr={0x0, 0x0}}, &(0x7f0000000300)) syz_open_dev$sg(0x0, 0x5, 0x484ec1) ioctl$vim2m_VIDIOC_S_FMT(0xffffffffffffffff, 0xc0d05605, &(0x7f0000000140)={0x3, @raw_data="dea233684c996156af0d4bd8e3300217e750b8c97b7123d48003e7e1d3be5f710c41a1db6719881876e9bcc6e2f73c67cc6b675eb43188b5b7f9f898868de9a9c5d536d418ba283121a73a5aba55a87d2a2525295f4492bbde02ad8bc8e88779f2de06f38e99172df4d45b6f13c813dee4230c204a93172922b778fef7a1f89ce876bb89d44cd705bbb28db4869dfac20d928950507acd92c02d17f51b0a627539f6e0a0bdb92004bc6252cd35e8cd100962db9a83ad63a4e7e1ca17c1b6aac63fefa9bebe429d00"}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000180)=0x4) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$MSR(&(0x7f0000000340), 0xd, 0x0) read$msr(r0, &(0x7f0000019680)=""/102392, 0x18ff8) sendmsg$IPSET_CMD_CREATE(0xffffffffffffffff, 0x0, 0x24004080) syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = syz_init_net_socket$ax25(0x3, 0x0, 0x8) bind$ax25(r2, &(0x7f0000000100)={{0x3, @null, 0x1}, [@rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast, @null, @null]}, 0x48) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r3 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(r3, 0x8914, &(0x7f0000000000)) r4 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r4, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing program (duration=46.306761484s, {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}}): timer_create-syz_open_dev$sg-ioctl$vim2m_VIDIOC_S_FMT-prlimit64-sched_setscheduler-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-sendmsg$IPSET_CMD_CREATE-syz_init_net_socket$bt_sco-socketpair$unix-syz_init_net_socket$ax25-bind$ax25-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25 detailed listing: executing program 0: timer_create(0x1, &(0x7f0000000280)={0x0, 0x32, 0x4, @thr={0x0, 0x0}}, &(0x7f0000000300)) syz_open_dev$sg(0x0, 0x5, 0x484ec1) ioctl$vim2m_VIDIOC_S_FMT(0xffffffffffffffff, 0xc0d05605, &(0x7f0000000140)={0x3, @raw_data="dea233684c996156af0d4bd8e3300217e750b8c97b7123d48003e7e1d3be5f710c41a1db6719881876e9bcc6e2f73c67cc6b675eb43188b5b7f9f898868de9a9c5d536d418ba283121a73a5aba55a87d2a2525295f4492bbde02ad8bc8e88779f2de06f38e99172df4d45b6f13c813dee4230c204a93172922b778fef7a1f89ce876bb89d44cd705bbb28db4869dfac20d928950507acd92c02d17f51b0a627539f6e0a0bdb92004bc6252cd35e8cd100962db9a83ad63a4e7e1ca17c1b6aac63fefa9bebe429d00"}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000180)=0x4) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$MSR(&(0x7f0000000340), 0xd, 0x0) read$msr(r0, &(0x7f0000019680)=""/102392, 0x18ff8) sendmsg$IPSET_CMD_CREATE(0xffffffffffffffff, 0x0, 0x24004080) syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = syz_init_net_socket$ax25(0x3, 0x0, 0x8) bind$ax25(r2, &(0x7f0000000100)={{0x3, @null, 0x1}, [@rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast, @null, @null]}, 0x48) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r3 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(r3, 0x8914, &(0x7f0000000000)) syz_init_net_socket$ax25(0x3, 0x2, 0x8) program did not crash testing program (duration=46.306761484s, {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}}): timer_create-syz_open_dev$sg-ioctl$vim2m_VIDIOC_S_FMT-prlimit64-sched_setscheduler-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-sendmsg$IPSET_CMD_CREATE-syz_init_net_socket$bt_sco-socketpair$unix-syz_init_net_socket$ax25-bind$ax25-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-setsockopt$ax25_SO_BINDTODEVICE detailed listing: executing program 0: timer_create(0x1, &(0x7f0000000280)={0x0, 0x32, 0x4, @thr={0x0, 0x0}}, &(0x7f0000000300)) syz_open_dev$sg(0x0, 0x5, 0x484ec1) ioctl$vim2m_VIDIOC_S_FMT(0xffffffffffffffff, 0xc0d05605, &(0x7f0000000140)={0x3, @raw_data="dea233684c996156af0d4bd8e3300217e750b8c97b7123d48003e7e1d3be5f710c41a1db6719881876e9bcc6e2f73c67cc6b675eb43188b5b7f9f898868de9a9c5d536d418ba283121a73a5aba55a87d2a2525295f4492bbde02ad8bc8e88779f2de06f38e99172df4d45b6f13c813dee4230c204a93172922b778fef7a1f89ce876bb89d44cd705bbb28db4869dfac20d928950507acd92c02d17f51b0a627539f6e0a0bdb92004bc6252cd35e8cd100962db9a83ad63a4e7e1ca17c1b6aac63fefa9bebe429d00"}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000180)=0x4) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$MSR(&(0x7f0000000340), 0xd, 0x0) read$msr(r0, &(0x7f0000019680)=""/102392, 0x18ff8) sendmsg$IPSET_CMD_CREATE(0xffffffffffffffff, 0x0, 0x24004080) syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = syz_init_net_socket$ax25(0x3, 0x0, 0x8) bind$ax25(r2, &(0x7f0000000100)={{0x3, @null, 0x1}, [@rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast, @null, @null]}, 0x48) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r3 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(r3, 0x8914, &(0x7f0000000000)) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) program did not crash testing program (duration=46.306761484s, {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}}): timer_create-syz_open_dev$sg-ioctl$vim2m_VIDIOC_S_FMT-prlimit64-sched_setscheduler-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-sendmsg$IPSET_CMD_CREATE-syz_init_net_socket$bt_sco-socketpair$unix-syz_init_net_socket$ax25-bind$ax25-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE detailed listing: executing program 0: timer_create(0x1, &(0x7f0000000280)={0x0, 0x32, 0x4, @thr={0x0, 0x0}}, &(0x7f0000000300)) syz_open_dev$sg(0x0, 0x5, 0x484ec1) ioctl$vim2m_VIDIOC_S_FMT(0xffffffffffffffff, 0xc0d05605, &(0x7f0000000140)={0x3, @raw_data="dea233684c996156af0d4bd8e3300217e750b8c97b7123d48003e7e1d3be5f710c41a1db6719881876e9bcc6e2f73c67cc6b675eb43188b5b7f9f898868de9a9c5d536d418ba283121a73a5aba55a87d2a2525295f4492bbde02ad8bc8e88779f2de06f38e99172df4d45b6f13c813dee4230c204a93172922b778fef7a1f89ce876bb89d44cd705bbb28db4869dfac20d928950507acd92c02d17f51b0a627539f6e0a0bdb92004bc6252cd35e8cd100962db9a83ad63a4e7e1ca17c1b6aac63fefa9bebe429d00"}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000180)=0x4) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$MSR(&(0x7f0000000340), 0xd, 0x0) read$msr(r0, &(0x7f0000019680)=""/102392, 0x18ff8) sendmsg$IPSET_CMD_CREATE(0xffffffffffffffff, 0x0, 0x24004080) syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = syz_init_net_socket$ax25(0x3, 0x0, 0x8) bind$ax25(r2, &(0x7f0000000100)={{0x3, @null, 0x1}, [@rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast, @null, @null]}, 0x48) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) r3 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r3, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) program did not crash testing program (duration=46.306761484s, {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}}): timer_create-syz_open_dev$sg-ioctl$vim2m_VIDIOC_S_FMT-prlimit64-sched_setscheduler-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-sendmsg$IPSET_CMD_CREATE-syz_init_net_socket$bt_sco-socketpair$unix-syz_init_net_socket$ax25-bind$ax25-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE detailed listing: executing program 0: timer_create(0x1, &(0x7f0000000280)={0x0, 0x32, 0x4, @thr={0x0, 0x0}}, &(0x7f0000000300)) syz_open_dev$sg(0x0, 0x5, 0x484ec1) ioctl$vim2m_VIDIOC_S_FMT(0xffffffffffffffff, 0xc0d05605, &(0x7f0000000140)={0x3, @raw_data="dea233684c996156af0d4bd8e3300217e750b8c97b7123d48003e7e1d3be5f710c41a1db6719881876e9bcc6e2f73c67cc6b675eb43188b5b7f9f898868de9a9c5d536d418ba283121a73a5aba55a87d2a2525295f4492bbde02ad8bc8e88779f2de06f38e99172df4d45b6f13c813dee4230c204a93172922b778fef7a1f89ce876bb89d44cd705bbb28db4869dfac20d928950507acd92c02d17f51b0a627539f6e0a0bdb92004bc6252cd35e8cd100962db9a83ad63a4e7e1ca17c1b6aac63fefa9bebe429d00"}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000180)=0x4) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$MSR(&(0x7f0000000340), 0xd, 0x0) read$msr(r0, &(0x7f0000019680)=""/102392, 0x18ff8) sendmsg$IPSET_CMD_CREATE(0xffffffffffffffff, 0x0, 0x24004080) syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = syz_init_net_socket$ax25(0x3, 0x0, 0x8) bind$ax25(r2, &(0x7f0000000100)={{0x3, @null, 0x1}, [@rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast, @null, @null]}, 0x48) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r3 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) ioctl$sock_netdev_private(r3, 0x8914, &(0x7f0000000000)) r4 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r4, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) program did not crash testing program (duration=46.306761484s, {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}}): timer_create-syz_open_dev$sg-ioctl$vim2m_VIDIOC_S_FMT-prlimit64-sched_setscheduler-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-sendmsg$IPSET_CMD_CREATE-syz_init_net_socket$bt_sco-socketpair$unix-syz_init_net_socket$ax25-bind$ax25-ioctl$sock_SIOCGIFINDEX-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE detailed listing: executing program 0: timer_create(0x1, &(0x7f0000000280)={0x0, 0x32, 0x4, @thr={0x0, 0x0}}, &(0x7f0000000300)) syz_open_dev$sg(0x0, 0x5, 0x484ec1) ioctl$vim2m_VIDIOC_S_FMT(0xffffffffffffffff, 0xc0d05605, &(0x7f0000000140)={0x3, @raw_data="dea233684c996156af0d4bd8e3300217e750b8c97b7123d48003e7e1d3be5f710c41a1db6719881876e9bcc6e2f73c67cc6b675eb43188b5b7f9f898868de9a9c5d536d418ba283121a73a5aba55a87d2a2525295f4492bbde02ad8bc8e88779f2de06f38e99172df4d45b6f13c813dee4230c204a93172922b778fef7a1f89ce876bb89d44cd705bbb28db4869dfac20d928950507acd92c02d17f51b0a627539f6e0a0bdb92004bc6252cd35e8cd100962db9a83ad63a4e7e1ca17c1b6aac63fefa9bebe429d00"}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000180)=0x4) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$MSR(&(0x7f0000000340), 0xd, 0x0) read$msr(r0, &(0x7f0000019680)=""/102392, 0x18ff8) sendmsg$IPSET_CMD_CREATE(0xffffffffffffffff, 0x0, 0x24004080) syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = syz_init_net_socket$ax25(0x3, 0x0, 0x8) bind$ax25(r2, &(0x7f0000000100)={{0x3, @null, 0x1}, [@rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast, @null, @null]}, 0x48) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(0xffffffffffffffff, 0x8914, &(0x7f0000000000)) r3 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r3, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) program did not crash testing program (duration=46.306761484s, {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}}): timer_create-syz_open_dev$sg-ioctl$vim2m_VIDIOC_S_FMT-prlimit64-sched_setscheduler-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-sendmsg$IPSET_CMD_CREATE-syz_init_net_socket$bt_sco-socketpair$unix-syz_init_net_socket$ax25-bind$ax25-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE detailed listing: executing program 0: timer_create(0x1, &(0x7f0000000280)={0x0, 0x32, 0x4, @thr={0x0, 0x0}}, &(0x7f0000000300)) syz_open_dev$sg(0x0, 0x5, 0x484ec1) ioctl$vim2m_VIDIOC_S_FMT(0xffffffffffffffff, 0xc0d05605, &(0x7f0000000140)={0x3, @raw_data="dea233684c996156af0d4bd8e3300217e750b8c97b7123d48003e7e1d3be5f710c41a1db6719881876e9bcc6e2f73c67cc6b675eb43188b5b7f9f898868de9a9c5d536d418ba283121a73a5aba55a87d2a2525295f4492bbde02ad8bc8e88779f2de06f38e99172df4d45b6f13c813dee4230c204a93172922b778fef7a1f89ce876bb89d44cd705bbb28db4869dfac20d928950507acd92c02d17f51b0a627539f6e0a0bdb92004bc6252cd35e8cd100962db9a83ad63a4e7e1ca17c1b6aac63fefa9bebe429d00"}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000180)=0x4) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$MSR(&(0x7f0000000340), 0xd, 0x0) read$msr(r0, &(0x7f0000019680)=""/102392, 0x18ff8) sendmsg$IPSET_CMD_CREATE(0xffffffffffffffff, 0x0, 0x24004080) syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)) r1 = syz_init_net_socket$ax25(0x3, 0x0, 0x8) bind$ax25(r1, &(0x7f0000000100)={{0x3, @null, 0x1}, [@rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @netrom={0xbb, 0xbb, 0xbb, 0xbb, 0xbb, 0x0, 0x0}, @rose={0xbb, 0xbb, 0xbb, 0x1, 0x0}, @bcast, @null, @null]}, 0x48) r2 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(r2, 0x8914, &(0x7f0000000000)) r3 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r3, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) program did not crash testing program (duration=46.306761484s, {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}}): timer_create-syz_open_dev$sg-ioctl$vim2m_VIDIOC_S_FMT-prlimit64-sched_setscheduler-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-sendmsg$IPSET_CMD_CREATE-syz_init_net_socket$bt_sco-socketpair$unix-syz_init_net_socket$ax25-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE detailed listing: executing program 0: timer_create(0x1, &(0x7f0000000280)={0x0, 0x32, 0x4, @thr={0x0, 0x0}}, &(0x7f0000000300)) syz_open_dev$sg(0x0, 0x5, 0x484ec1) ioctl$vim2m_VIDIOC_S_FMT(0xffffffffffffffff, 0xc0d05605, &(0x7f0000000140)={0x3, @raw_data="dea233684c996156af0d4bd8e3300217e750b8c97b7123d48003e7e1d3be5f710c41a1db6719881876e9bcc6e2f73c67cc6b675eb43188b5b7f9f898868de9a9c5d536d418ba283121a73a5aba55a87d2a2525295f4492bbde02ad8bc8e88779f2de06f38e99172df4d45b6f13c813dee4230c204a93172922b778fef7a1f89ce876bb89d44cd705bbb28db4869dfac20d928950507acd92c02d17f51b0a627539f6e0a0bdb92004bc6252cd35e8cd100962db9a83ad63a4e7e1ca17c1b6aac63fefa9bebe429d00"}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000180)=0x4) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$MSR(&(0x7f0000000340), 0xd, 0x0) read$msr(r0, &(0x7f0000019680)=""/102392, 0x18ff8) sendmsg$IPSET_CMD_CREATE(0xffffffffffffffff, 0x0, 0x24004080) syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) syz_init_net_socket$ax25(0x3, 0x0, 0x8) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r2 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(r2, 0x8914, &(0x7f0000000000)) r3 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r3, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing program (duration=46.306761484s, {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}}): timer_create-syz_open_dev$sg-ioctl$vim2m_VIDIOC_S_FMT-prlimit64-sched_setscheduler-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-sendmsg$IPSET_CMD_CREATE-syz_init_net_socket$bt_sco-socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE detailed listing: executing program 0: timer_create(0x1, &(0x7f0000000280)={0x0, 0x32, 0x4, @thr={0x0, 0x0}}, &(0x7f0000000300)) syz_open_dev$sg(0x0, 0x5, 0x484ec1) ioctl$vim2m_VIDIOC_S_FMT(0xffffffffffffffff, 0xc0d05605, &(0x7f0000000140)={0x3, @raw_data="dea233684c996156af0d4bd8e3300217e750b8c97b7123d48003e7e1d3be5f710c41a1db6719881876e9bcc6e2f73c67cc6b675eb43188b5b7f9f898868de9a9c5d536d418ba283121a73a5aba55a87d2a2525295f4492bbde02ad8bc8e88779f2de06f38e99172df4d45b6f13c813dee4230c204a93172922b778fef7a1f89ce876bb89d44cd705bbb28db4869dfac20d928950507acd92c02d17f51b0a627539f6e0a0bdb92004bc6252cd35e8cd100962db9a83ad63a4e7e1ca17c1b6aac63fefa9bebe429d00"}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000180)=0x4) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$MSR(&(0x7f0000000340), 0xd, 0x0) read$msr(r0, &(0x7f0000019680)=""/102392, 0x18ff8) sendmsg$IPSET_CMD_CREATE(0xffffffffffffffff, 0x0, 0x24004080) syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r2 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(r2, 0x8914, &(0x7f0000000000)) r3 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r3, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing program (duration=46.306761484s, {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}}): timer_create-syz_open_dev$sg-ioctl$vim2m_VIDIOC_S_FMT-prlimit64-sched_setscheduler-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-sendmsg$IPSET_CMD_CREATE-syz_init_net_socket$bt_sco-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE detailed listing: executing program 0: timer_create(0x1, &(0x7f0000000280)={0x0, 0x32, 0x4, @thr={0x0, 0x0}}, &(0x7f0000000300)) syz_open_dev$sg(0x0, 0x5, 0x484ec1) ioctl$vim2m_VIDIOC_S_FMT(0xffffffffffffffff, 0xc0d05605, &(0x7f0000000140)={0x3, @raw_data="dea233684c996156af0d4bd8e3300217e750b8c97b7123d48003e7e1d3be5f710c41a1db6719881876e9bcc6e2f73c67cc6b675eb43188b5b7f9f898868de9a9c5d536d418ba283121a73a5aba55a87d2a2525295f4492bbde02ad8bc8e88779f2de06f38e99172df4d45b6f13c813dee4230c204a93172922b778fef7a1f89ce876bb89d44cd705bbb28db4869dfac20d928950507acd92c02d17f51b0a627539f6e0a0bdb92004bc6252cd35e8cd100962db9a83ad63a4e7e1ca17c1b6aac63fefa9bebe429d00"}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000180)=0x4) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$MSR(&(0x7f0000000340), 0xd, 0x0) read$msr(r0, &(0x7f0000019680)=""/102392, 0x18ff8) sendmsg$IPSET_CMD_CREATE(0xffffffffffffffff, 0x0, 0x24004080) syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r1 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(r1, 0x8914, &(0x7f0000000000)) r2 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r2, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) program did not crash testing program (duration=46.306761484s, {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}}): timer_create-syz_open_dev$sg-ioctl$vim2m_VIDIOC_S_FMT-prlimit64-sched_setscheduler-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-sendmsg$IPSET_CMD_CREATE-socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE detailed listing: executing program 0: timer_create(0x1, &(0x7f0000000280)={0x0, 0x32, 0x4, @thr={0x0, 0x0}}, &(0x7f0000000300)) syz_open_dev$sg(0x0, 0x5, 0x484ec1) ioctl$vim2m_VIDIOC_S_FMT(0xffffffffffffffff, 0xc0d05605, &(0x7f0000000140)={0x3, @raw_data="dea233684c996156af0d4bd8e3300217e750b8c97b7123d48003e7e1d3be5f710c41a1db6719881876e9bcc6e2f73c67cc6b675eb43188b5b7f9f898868de9a9c5d536d418ba283121a73a5aba55a87d2a2525295f4492bbde02ad8bc8e88779f2de06f38e99172df4d45b6f13c813dee4230c204a93172922b778fef7a1f89ce876bb89d44cd705bbb28db4869dfac20d928950507acd92c02d17f51b0a627539f6e0a0bdb92004bc6252cd35e8cd100962db9a83ad63a4e7e1ca17c1b6aac63fefa9bebe429d00"}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000180)=0x4) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$MSR(&(0x7f0000000340), 0xd, 0x0) read$msr(r0, &(0x7f0000019680)=""/102392, 0x18ff8) sendmsg$IPSET_CMD_CREATE(0xffffffffffffffff, 0x0, 0x24004080) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r2 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(r2, 0x8914, &(0x7f0000000000)) r3 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r3, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing program (duration=46.306761484s, {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}}): timer_create-syz_open_dev$sg-ioctl$vim2m_VIDIOC_S_FMT-prlimit64-sched_setscheduler-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE detailed listing: executing program 0: timer_create(0x1, &(0x7f0000000280)={0x0, 0x32, 0x4, @thr={0x0, 0x0}}, &(0x7f0000000300)) syz_open_dev$sg(0x0, 0x5, 0x484ec1) ioctl$vim2m_VIDIOC_S_FMT(0xffffffffffffffff, 0xc0d05605, &(0x7f0000000140)={0x3, @raw_data="dea233684c996156af0d4bd8e3300217e750b8c97b7123d48003e7e1d3be5f710c41a1db6719881876e9bcc6e2f73c67cc6b675eb43188b5b7f9f898868de9a9c5d536d418ba283121a73a5aba55a87d2a2525295f4492bbde02ad8bc8e88779f2de06f38e99172df4d45b6f13c813dee4230c204a93172922b778fef7a1f89ce876bb89d44cd705bbb28db4869dfac20d928950507acd92c02d17f51b0a627539f6e0a0bdb92004bc6252cd35e8cd100962db9a83ad63a4e7e1ca17c1b6aac63fefa9bebe429d00"}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000180)=0x4) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) r0 = syz_open_dev$MSR(&(0x7f0000000340), 0xd, 0x0) read$msr(r0, &(0x7f0000019680)=""/102392, 0x18ff8) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r2 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(r2, 0x8914, &(0x7f0000000000)) r3 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r3, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing program (duration=46.306761484s, {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}}): timer_create-syz_open_dev$sg-ioctl$vim2m_VIDIOC_S_FMT-prlimit64-sched_setscheduler-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE detailed listing: executing program 0: timer_create(0x1, &(0x7f0000000280)={0x0, 0x32, 0x4, @thr={0x0, 0x0}}, &(0x7f0000000300)) syz_open_dev$sg(0x0, 0x5, 0x484ec1) ioctl$vim2m_VIDIOC_S_FMT(0xffffffffffffffff, 0xc0d05605, &(0x7f0000000140)={0x3, @raw_data="dea233684c996156af0d4bd8e3300217e750b8c97b7123d48003e7e1d3be5f710c41a1db6719881876e9bcc6e2f73c67cc6b675eb43188b5b7f9f898868de9a9c5d536d418ba283121a73a5aba55a87d2a2525295f4492bbde02ad8bc8e88779f2de06f38e99172df4d45b6f13c813dee4230c204a93172922b778fef7a1f89ce876bb89d44cd705bbb28db4869dfac20d928950507acd92c02d17f51b0a627539f6e0a0bdb92004bc6252cd35e8cd100962db9a83ad63a4e7e1ca17c1b6aac63fefa9bebe429d00"}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000180)=0x4) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) syz_open_dev$MSR(&(0x7f0000000340), 0xd, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r1 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(r1, 0x8914, &(0x7f0000000000)) r2 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r2, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing program (duration=46.306761484s, {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}}): timer_create-syz_open_dev$sg-ioctl$vim2m_VIDIOC_S_FMT-prlimit64-sched_setscheduler-sched_setaffinity-prctl$PR_SCHED_CORE-socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE detailed listing: executing program 0: timer_create(0x1, &(0x7f0000000280)={0x0, 0x32, 0x4, @thr={0x0, 0x0}}, &(0x7f0000000300)) syz_open_dev$sg(0x0, 0x5, 0x484ec1) ioctl$vim2m_VIDIOC_S_FMT(0xffffffffffffffff, 0xc0d05605, &(0x7f0000000140)={0x3, @raw_data="dea233684c996156af0d4bd8e3300217e750b8c97b7123d48003e7e1d3be5f710c41a1db6719881876e9bcc6e2f73c67cc6b675eb43188b5b7f9f898868de9a9c5d536d418ba283121a73a5aba55a87d2a2525295f4492bbde02ad8bc8e88779f2de06f38e99172df4d45b6f13c813dee4230c204a93172922b778fef7a1f89ce876bb89d44cd705bbb28db4869dfac20d928950507acd92c02d17f51b0a627539f6e0a0bdb92004bc6252cd35e8cd100962db9a83ad63a4e7e1ca17c1b6aac63fefa9bebe429d00"}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000180)=0x4) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r1 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(r1, 0x8914, &(0x7f0000000000)) r2 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r2, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing program (duration=46.306761484s, {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}}): timer_create-syz_open_dev$sg-ioctl$vim2m_VIDIOC_S_FMT-prlimit64-sched_setscheduler-sched_setaffinity-socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE detailed listing: executing program 0: timer_create(0x1, &(0x7f0000000280)={0x0, 0x32, 0x4, @thr={0x0, 0x0}}, &(0x7f0000000300)) syz_open_dev$sg(0x0, 0x5, 0x484ec1) ioctl$vim2m_VIDIOC_S_FMT(0xffffffffffffffff, 0xc0d05605, &(0x7f0000000140)={0x3, @raw_data="dea233684c996156af0d4bd8e3300217e750b8c97b7123d48003e7e1d3be5f710c41a1db6719881876e9bcc6e2f73c67cc6b675eb43188b5b7f9f898868de9a9c5d536d418ba283121a73a5aba55a87d2a2525295f4492bbde02ad8bc8e88779f2de06f38e99172df4d45b6f13c813dee4230c204a93172922b778fef7a1f89ce876bb89d44cd705bbb28db4869dfac20d928950507acd92c02d17f51b0a627539f6e0a0bdb92004bc6252cd35e8cd100962db9a83ad63a4e7e1ca17c1b6aac63fefa9bebe429d00"}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000180)=0x4) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r1 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(r1, 0x8914, &(0x7f0000000000)) r2 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r2, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing program (duration=46.306761484s, {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}}): timer_create-syz_open_dev$sg-ioctl$vim2m_VIDIOC_S_FMT-prlimit64-sched_setscheduler-socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE detailed listing: executing program 0: timer_create(0x1, &(0x7f0000000280)={0x0, 0x32, 0x4, @thr={0x0, 0x0}}, &(0x7f0000000300)) syz_open_dev$sg(0x0, 0x5, 0x484ec1) ioctl$vim2m_VIDIOC_S_FMT(0xffffffffffffffff, 0xc0d05605, &(0x7f0000000140)={0x3, @raw_data="dea233684c996156af0d4bd8e3300217e750b8c97b7123d48003e7e1d3be5f710c41a1db6719881876e9bcc6e2f73c67cc6b675eb43188b5b7f9f898868de9a9c5d536d418ba283121a73a5aba55a87d2a2525295f4492bbde02ad8bc8e88779f2de06f38e99172df4d45b6f13c813dee4230c204a93172922b778fef7a1f89ce876bb89d44cd705bbb28db4869dfac20d928950507acd92c02d17f51b0a627539f6e0a0bdb92004bc6252cd35e8cd100962db9a83ad63a4e7e1ca17c1b6aac63fefa9bebe429d00"}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000180)=0x4) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r1 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(r1, 0x8914, &(0x7f0000000000)) r2 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r2, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing program (duration=46.306761484s, {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}}): timer_create-syz_open_dev$sg-ioctl$vim2m_VIDIOC_S_FMT-prlimit64-socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE detailed listing: executing program 0: timer_create(0x1, &(0x7f0000000280)={0x0, 0x32, 0x4, @thr={0x0, 0x0}}, &(0x7f0000000300)) syz_open_dev$sg(0x0, 0x5, 0x484ec1) ioctl$vim2m_VIDIOC_S_FMT(0xffffffffffffffff, 0xc0d05605, &(0x7f0000000140)={0x3, @raw_data="dea233684c996156af0d4bd8e3300217e750b8c97b7123d48003e7e1d3be5f710c41a1db6719881876e9bcc6e2f73c67cc6b675eb43188b5b7f9f898868de9a9c5d536d418ba283121a73a5aba55a87d2a2525295f4492bbde02ad8bc8e88779f2de06f38e99172df4d45b6f13c813dee4230c204a93172922b778fef7a1f89ce876bb89d44cd705bbb28db4869dfac20d928950507acd92c02d17f51b0a627539f6e0a0bdb92004bc6252cd35e8cd100962db9a83ad63a4e7e1ca17c1b6aac63fefa9bebe429d00"}) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r1 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(r1, 0x8914, &(0x7f0000000000)) r2 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r2, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing program (duration=46.306761484s, {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}}): timer_create-syz_open_dev$sg-ioctl$vim2m_VIDIOC_S_FMT-socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE detailed listing: executing program 0: timer_create(0x1, &(0x7f0000000280)={0x0, 0x32, 0x4, @thr={0x0, 0x0}}, &(0x7f0000000300)) syz_open_dev$sg(0x0, 0x5, 0x484ec1) ioctl$vim2m_VIDIOC_S_FMT(0xffffffffffffffff, 0xc0d05605, &(0x7f0000000140)={0x3, @raw_data="dea233684c996156af0d4bd8e3300217e750b8c97b7123d48003e7e1d3be5f710c41a1db6719881876e9bcc6e2f73c67cc6b675eb43188b5b7f9f898868de9a9c5d536d418ba283121a73a5aba55a87d2a2525295f4492bbde02ad8bc8e88779f2de06f38e99172df4d45b6f13c813dee4230c204a93172922b778fef7a1f89ce876bb89d44cd705bbb28db4869dfac20d928950507acd92c02d17f51b0a627539f6e0a0bdb92004bc6252cd35e8cd100962db9a83ad63a4e7e1ca17c1b6aac63fefa9bebe429d00"}) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r1 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(r1, 0x8914, &(0x7f0000000000)) r2 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r2, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing program (duration=46.306761484s, {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}}): timer_create-syz_open_dev$sg-socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE detailed listing: executing program 0: timer_create(0x1, &(0x7f0000000280)={0x0, 0x32, 0x4, @thr={0x0, 0x0}}, &(0x7f0000000300)) syz_open_dev$sg(0x0, 0x5, 0x484ec1) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r1 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(r1, 0x8914, &(0x7f0000000000)) r2 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r2, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing program (duration=46.306761484s, {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}}): timer_create-socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE detailed listing: executing program 0: timer_create(0x1, &(0x7f0000000280)={0x0, 0x32, 0x4, @thr={0x0, 0x0}}, &(0x7f0000000300)) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r1 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(r1, 0x8914, &(0x7f0000000000)) r2 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r2, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing program (duration=46.306761484s, {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}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE detailed listing: executing program 0: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r1 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(r1, 0x8914, &(0x7f0000000000)) r2 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r2, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing program (duration=46.306761484s, {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}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE detailed listing: executing program 0: socketpair$unix(0x1, 0x1, 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r0 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(r0, 0x8914, &(0x7f0000000000)) r1 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r1, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) program did not crash testing program (duration=46.306761484s, {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}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE detailed listing: executing program 0: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, 0x0) r1 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(r1, 0x8914, &(0x7f0000000000)) r2 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r2, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) program did not crash testing program (duration=46.306761484s, {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}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE detailed listing: executing program 0: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r1 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, 0x0, 0x0) ioctl$sock_netdev_private(r1, 0x8914, &(0x7f0000000000)) r2 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r2, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) program did not crash testing program (duration=46.306761484s, {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}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE detailed listing: executing program 0: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r1 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(r1, 0x8914, 0x0) r2 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r2, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) program did not crash testing program (duration=46.306761484s, {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}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE detailed listing: executing program 0: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r1 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(r1, 0x8914, &(0x7f0000000000)) r2 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r2, 0x101, 0x19, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=46.306761484s, {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}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE program crashed: KASAN: use-after-free Read in ax25_fillin_cb simplifying C reproducer testing compiled C program (duration=46.306761484s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing compiled C program (duration=46.306761484s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false 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}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE program did not crash testing compiled C program (duration=46.306761484s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing compiled C program (duration=46.306761484s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE program did not crash testing compiled C program (duration=46.306761484s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE program did not crash testing compiled C program (duration=46.306761484s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false 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}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE program did not crash testing compiled C program (duration=46.306761484s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing compiled C program (duration=46.306761484s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false 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}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing compiled C program (duration=46.306761484s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing compiled C program (duration=46.306761484s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false 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}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing compiled C program (duration=46.306761484s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing compiled C program (duration=46.306761484s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing compiled C program (duration=46.306761484s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing compiled C program (duration=46.306761484s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing compiled C program (duration=46.306761484s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing compiled C program (duration=46.306761484s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing compiled C program (duration=46.306761484s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE program crashed: KASAN: use-after-free Read in ax25_fillin_cb testing program (duration=46.306761484s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE detailed listing: executing program 0: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r1 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(r1, 0x8914, &(0x7f0000000000)) r2 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r2, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) program crashed: KASAN: use-after-free Read in ax25_fillin_cb validation run: crashed=true testing program (duration=46.306761484s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE detailed listing: executing program 0: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r1 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(r1, 0x8914, &(0x7f0000000000)) r2 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r2, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) program crashed: KASAN: use-after-free Read in ax25_fillin_cb validation run: crashed=true testing program (duration=46.306761484s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-syz_init_net_socket$bt_sco-setsockopt$ax25_SO_BINDTODEVICE-ioctl$sock_netdev_private-syz_init_net_socket$ax25-setsockopt$ax25_SO_BINDTODEVICE detailed listing: executing program 0: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'batadv_slave_0\x00'}) r1 = syz_init_net_socket$bt_sco(0x1f, 0x5, 0x2) setsockopt$ax25_SO_BINDTODEVICE(0xffffffffffffffff, 0x101, 0x19, &(0x7f0000000000)=@bpq0, 0x10) ioctl$sock_netdev_private(r1, 0x8914, &(0x7f0000000000)) r2 = syz_init_net_socket$ax25(0x3, 0x2, 0x8) setsockopt$ax25_SO_BINDTODEVICE(r2, 0x101, 0x19, &(0x7f00000001c0)=@bpq0, 0x10) program crashed: KASAN: use-after-free Read in ax25_fillin_cb validation run: crashed=true reproducing took 1h20m47.35912897s repro crashed as (corrupted=false): ================================================================== BUG: KASAN: use-after-free in ax25_fillin_cb_from_dev net/ax25/af_ax25.c:468 [inline] BUG: KASAN: use-after-free in ax25_fillin_cb+0x459/0x640 net/ax25/af_ax25.c:495 Read of size 4 at addr ffff8880721ea738 by task syz.0.19/4328 CPU: 0 PID: 4328 Comm: syz.0.19 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106 print_address_description+0x60/0x2d0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:434 [inline] kasan_report+0xdf/0x130 mm/kasan/report.c:451 ax25_fillin_cb_from_dev net/ax25/af_ax25.c:468 [inline] ax25_fillin_cb+0x459/0x640 net/ax25/af_ax25.c:495 ax25_setsockopt+0x8a2/0xa40 net/ax25/af_ax25.c:690 __sys_setsockopt+0x2bf/0x3d0 net/socket.c:2203 __do_sys_setsockopt net/socket.c:2214 [inline] __se_sys_setsockopt net/socket.c:2211 [inline] __x64_sys_setsockopt+0xb1/0xc0 net/socket.c:2211 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f78b3fd1ec9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc3d1b5258 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f78b4228fa0 RCX: 00007f78b3fd1ec9 RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000007 RBP: 00007f78b4054f91 R08: 0000000000000010 R09: 0000000000000000 R10: 00002000000001c0 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f78b4228fa0 R14: 00007f78b4228fa0 R15: 0000000000000005 Allocated by task 4326: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:434 [inline] ____kasan_kmalloc mm/kasan/common.c:513 [inline] __kasan_kmalloc+0xb5/0xf0 mm/kasan/common.c:522 kmalloc include/linux/slab.h:604 [inline] kzalloc include/linux/slab.h:735 [inline] ax25_dev_device_up+0x50/0x580 net/ax25/ax25_dev.c:55 ax25_device_event+0x483/0x4f0 net/ax25/af_ax25.c:139 notifier_call_chain kernel/notifier.c:83 [inline] raw_notifier_call_chain+0xcb/0x160 kernel/notifier.c:391 call_netdevice_notifiers_extack net/core/dev.c:2061 [inline] call_netdevice_notifiers net/core/dev.c:2075 [inline] __dev_notify_flags+0x178/0x2d0 net/core/dev.c:-1 dev_change_flags+0xe3/0x1a0 net/core/dev.c:8929 dev_ifsioc+0x147/0xe70 net/core/dev_ioctl.c:324 dev_ioctl+0x55f/0xe50 net/core/dev_ioctl.c:587 sock_do_ioctl+0x222/0x2f0 net/socket.c:1154 sock_ioctl+0x4ed/0x6e0 net/socket.c:1257 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl+0xfa/0x170 fs/ioctl.c:860 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Freed by task 4327: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:46 kasan_set_free_info+0x1f/0x40 mm/kasan/generic.c:360 ____kasan_slab_free+0xd5/0x110 mm/kasan/common.c:366 kasan_slab_free include/linux/kasan.h:230 [inline] slab_free_hook mm/slub.c:1710 [inline] slab_free_freelist_hook+0xea/0x170 mm/slub.c:1736 slab_free mm/slub.c:3504 [inline] kfree+0xef/0x2a0 mm/slub.c:4564 ax25_dev_put include/net/ax25.h:302 [inline] ax25_release+0x661/0x870 net/ax25/af_ax25.c:1062 __sock_release net/socket.c:649 [inline] sock_close+0xd5/0x240 net/socket.c:1336 __fput+0x234/0x930 fs/file_table.c:311 task_work_run+0x125/0x1a0 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop+0x10f/0x130 kernel/entry/common.c:181 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 The buggy address belongs to the object at ffff8880721ea700 which belongs to the cache kmalloc-192 of size 192 The buggy address is located 56 bytes inside of 192-byte region [ffff8880721ea700, ffff8880721ea7c0) The buggy address belongs to the page: page:ffffea0001c87a80 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x721ea flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000200 0000000000000000 dead000000000122 ffff888016841a00 raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 4297, ts 77883278289, free_ts 77863028958 prep_new_page mm/page_alloc.c:2426 [inline] get_page_from_freelist+0x1b77/0x1c60 mm/page_alloc.c:4192 __alloc_pages+0x1e1/0x470 mm/page_alloc.c:5487 __alloc_pages_node include/linux/gfp.h:570 [inline] alloc_slab_page mm/slub.c:1782 [inline] allocate_slab mm/slub.c:1917 [inline] new_slab+0xb6/0x4b0 mm/slub.c:1980 ___slab_alloc+0x81e/0xdf0 mm/slub.c:3013 __slab_alloc mm/slub.c:3100 [inline] slab_alloc_node mm/slub.c:3191 [inline] __kmalloc_node+0x200/0x3b0 mm/slub.c:4456 kmalloc_array_node include/linux/slab.h:697 [inline] kcalloc_node include/linux/slab.h:702 [inline] memcg_alloc_page_obj_cgroups+0x81/0x120 mm/memcontrol.c:2839 account_slab_page mm/slab.h:424 [inline] allocate_slab mm/slub.c:1933 [inline] new_slab+0x100/0x4b0 mm/slub.c:1980 ___slab_alloc+0x81e/0xdf0 mm/slub.c:3013 __slab_alloc mm/slub.c:3100 [inline] slab_alloc_node mm/slub.c:3191 [inline] slab_alloc mm/slub.c:3233 [inline] kmem_cache_alloc+0x195/0x290 mm/slub.c:3238 sock_alloc_inode+0x17/0xb0 net/socket.c:303 alloc_inode fs/inode.c:261 [inline] new_inode_pseudo+0x5f/0x210 fs/inode.c:1001 sock_alloc net/socket.c:626 [inline] __sock_create+0x129/0x900 net/socket.c:1450 sock_create net/socket.c:1542 [inline] __sys_socket+0xe2/0x170 net/socket.c:1584 __do_sys_socket net/socket.c:1593 [inline] __se_sys_socket net/socket.c:1591 [inline] __x64_sys_socket+0x76/0x80 net/socket.c:1591 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1340 [inline] free_pcp_prepare mm/page_alloc.c:1391 [inline] free_unref_page_prepare+0x637/0x6c0 mm/page_alloc.c:3317 free_unref_page+0x94/0x280 mm/page_alloc.c:3396 __vunmap+0x8ab/0xa40 mm/vmalloc.c:2628 free_work+0x56/0x80 mm/vmalloc.c:95 process_one_work+0x863/0x1000 kernel/workqueue.c:2310 worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457 kthread+0x436/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Memory state around the buggy address: ffff8880721ea600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff8880721ea680: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc >ffff8880721ea700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8880721ea780: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ffff8880721ea800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ================================================================== final repro crashed as (corrupted=false): ================================================================== BUG: KASAN: use-after-free in ax25_fillin_cb_from_dev net/ax25/af_ax25.c:468 [inline] BUG: KASAN: use-after-free in ax25_fillin_cb+0x459/0x640 net/ax25/af_ax25.c:495 Read of size 4 at addr ffff8880721ea738 by task syz.0.19/4328 CPU: 0 PID: 4328 Comm: syz.0.19 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 Call Trace: dump_stack_lvl+0x168/0x230 lib/dump_stack.c:106 print_address_description+0x60/0x2d0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:434 [inline] kasan_report+0xdf/0x130 mm/kasan/report.c:451 ax25_fillin_cb_from_dev net/ax25/af_ax25.c:468 [inline] ax25_fillin_cb+0x459/0x640 net/ax25/af_ax25.c:495 ax25_setsockopt+0x8a2/0xa40 net/ax25/af_ax25.c:690 __sys_setsockopt+0x2bf/0x3d0 net/socket.c:2203 __do_sys_setsockopt net/socket.c:2214 [inline] __se_sys_setsockopt net/socket.c:2211 [inline] __x64_sys_setsockopt+0xb1/0xc0 net/socket.c:2211 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f78b3fd1ec9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc3d1b5258 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f78b4228fa0 RCX: 00007f78b3fd1ec9 RDX: 0000000000000019 RSI: 0000000000000101 RDI: 0000000000000007 RBP: 00007f78b4054f91 R08: 0000000000000010 R09: 0000000000000000 R10: 00002000000001c0 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f78b4228fa0 R14: 00007f78b4228fa0 R15: 0000000000000005 Allocated by task 4326: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:434 [inline] ____kasan_kmalloc mm/kasan/common.c:513 [inline] __kasan_kmalloc+0xb5/0xf0 mm/kasan/common.c:522 kmalloc include/linux/slab.h:604 [inline] kzalloc include/linux/slab.h:735 [inline] ax25_dev_device_up+0x50/0x580 net/ax25/ax25_dev.c:55 ax25_device_event+0x483/0x4f0 net/ax25/af_ax25.c:139 notifier_call_chain kernel/notifier.c:83 [inline] raw_notifier_call_chain+0xcb/0x160 kernel/notifier.c:391 call_netdevice_notifiers_extack net/core/dev.c:2061 [inline] call_netdevice_notifiers net/core/dev.c:2075 [inline] __dev_notify_flags+0x178/0x2d0 net/core/dev.c:-1 dev_change_flags+0xe3/0x1a0 net/core/dev.c:8929 dev_ifsioc+0x147/0xe70 net/core/dev_ioctl.c:324 dev_ioctl+0x55f/0xe50 net/core/dev_ioctl.c:587 sock_do_ioctl+0x222/0x2f0 net/socket.c:1154 sock_ioctl+0x4ed/0x6e0 net/socket.c:1257 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl+0xfa/0x170 fs/ioctl.c:860 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 Freed by task 4327: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:46 kasan_set_free_info+0x1f/0x40 mm/kasan/generic.c:360 ____kasan_slab_free+0xd5/0x110 mm/kasan/common.c:366 kasan_slab_free include/linux/kasan.h:230 [inline] slab_free_hook mm/slub.c:1710 [inline] slab_free_freelist_hook+0xea/0x170 mm/slub.c:1736 slab_free mm/slub.c:3504 [inline] kfree+0xef/0x2a0 mm/slub.c:4564 ax25_dev_put include/net/ax25.h:302 [inline] ax25_release+0x661/0x870 net/ax25/af_ax25.c:1062 __sock_release net/socket.c:649 [inline] sock_close+0xd5/0x240 net/socket.c:1336 __fput+0x234/0x930 fs/file_table.c:311 task_work_run+0x125/0x1a0 kernel/task_work.c:188 tracehook_notify_resume include/linux/tracehook.h:189 [inline] exit_to_user_mode_loop+0x10f/0x130 kernel/entry/common.c:181 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:214 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline] syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x66/0xd0 The buggy address belongs to the object at ffff8880721ea700 which belongs to the cache kmalloc-192 of size 192 The buggy address is located 56 bytes inside of 192-byte region [ffff8880721ea700, ffff8880721ea7c0) The buggy address belongs to the page: page:ffffea0001c87a80 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x721ea flags: 0xfff00000000200(slab|node=0|zone=1|lastcpupid=0x7ff) raw: 00fff00000000200 0000000000000000 dead000000000122 ffff888016841a00 raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 4297, ts 77883278289, free_ts 77863028958 prep_new_page mm/page_alloc.c:2426 [inline] get_page_from_freelist+0x1b77/0x1c60 mm/page_alloc.c:4192 __alloc_pages+0x1e1/0x470 mm/page_alloc.c:5487 __alloc_pages_node include/linux/gfp.h:570 [inline] alloc_slab_page mm/slub.c:1782 [inline] allocate_slab mm/slub.c:1917 [inline] new_slab+0xb6/0x4b0 mm/slub.c:1980 ___slab_alloc+0x81e/0xdf0 mm/slub.c:3013 __slab_alloc mm/slub.c:3100 [inline] slab_alloc_node mm/slub.c:3191 [inline] __kmalloc_node+0x200/0x3b0 mm/slub.c:4456 kmalloc_array_node include/linux/slab.h:697 [inline] kcalloc_node include/linux/slab.h:702 [inline] memcg_alloc_page_obj_cgroups+0x81/0x120 mm/memcontrol.c:2839 account_slab_page mm/slab.h:424 [inline] allocate_slab mm/slub.c:1933 [inline] new_slab+0x100/0x4b0 mm/slub.c:1980 ___slab_alloc+0x81e/0xdf0 mm/slub.c:3013 __slab_alloc mm/slub.c:3100 [inline] slab_alloc_node mm/slub.c:3191 [inline] slab_alloc mm/slub.c:3233 [inline] kmem_cache_alloc+0x195/0x290 mm/slub.c:3238 sock_alloc_inode+0x17/0xb0 net/socket.c:303 alloc_inode fs/inode.c:261 [inline] new_inode_pseudo+0x5f/0x210 fs/inode.c:1001 sock_alloc net/socket.c:626 [inline] __sock_create+0x129/0x900 net/socket.c:1450 sock_create net/socket.c:1542 [inline] __sys_socket+0xe2/0x170 net/socket.c:1584 __do_sys_socket net/socket.c:1593 [inline] __se_sys_socket net/socket.c:1591 [inline] __x64_sys_socket+0x76/0x80 net/socket.c:1591 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1340 [inline] free_pcp_prepare mm/page_alloc.c:1391 [inline] free_unref_page_prepare+0x637/0x6c0 mm/page_alloc.c:3317 free_unref_page+0x94/0x280 mm/page_alloc.c:3396 __vunmap+0x8ab/0xa40 mm/vmalloc.c:2628 free_work+0x56/0x80 mm/vmalloc.c:95 process_one_work+0x863/0x1000 kernel/workqueue.c:2310 worker_thread+0xaa8/0x12a0 kernel/workqueue.c:2457 kthread+0x436/0x520 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 Memory state around the buggy address: ffff8880721ea600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff8880721ea680: 00 00 00 00 00 fc fc fc fc fc fc fc fc fc fc fc >ffff8880721ea700: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8880721ea780: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ffff8880721ea800: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ==================================================================