Extracting prog: 6m45.029436035s Minimizing prog: 2h12m30.264378834s Simplifying prog options: 15m22.673908299s Extracting C: 3m24.39483139s Simplifying C: 0s extracting reproducer from 1 programs testing a last program of every proc 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-setsockopt$packet_add_memb-getsockopt$sock_int-openat$ptmx-syz_open_dev$tty1-ioctl$KDGKBDIACR-syz_open_procfs$namespace-socket$alg-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-ioctl$SECCOMP_IOCTL_NOTIF_SEND-ioctl$SECCOMP_IOCTL_NOTIF_RECV-syz_emit_ethernet-syz_genetlink_get_family_id$tipc-getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER-setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET-sendmsg$TIPC_CMD_ENABLE_BEARER-syz_open_dev$tty1-ioctl$TIOCSETD detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000080)={0x0, 0x1, 0x6, @dev}, 0x10) getsockopt$sock_int(0xffffffffffffffff, 0x1, 0x3, 0x0, &(0x7f0000000080)) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r1 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KDGKBDIACR(r1, 0x4b4a, 0x0) syz_open_procfs$namespace(0x0, 0x0) socket$alg(0x26, 0x5, 0x0) r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fc00100}]}) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, 0x0) ioctl$SECCOMP_IOCTL_NOTIF_SEND(r2, 0xc0182101, &(0x7f0000000180)={0x0, 0xf86}) ioctl$SECCOMP_IOCTL_NOTIF_RECV(r2, 0xc0502100, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) syz_genetlink_get_family_id$tipc(0x0, 0xffffffffffffffff) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000140)={<r3=>0x0, 0x10000}, 0x0) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000240)={r3}, 0x8) sendmsg$TIPC_CMD_ENABLE_BEARER(0xffffffffffffffff, 0x0, 0x0) syz_open_dev$tty1(0xc, 0x4, 0x4) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-setsockopt$packet_add_memb-getsockopt$sock_int-openat$ptmx-syz_open_dev$tty1-ioctl$KDGKBDIACR-syz_open_procfs$namespace-socket$alg-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-ioctl$SECCOMP_IOCTL_NOTIF_SEND-ioctl$SECCOMP_IOCTL_NOTIF_RECV-syz_emit_ethernet-syz_genetlink_get_family_id$tipc-getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER-setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET-sendmsg$TIPC_CMD_ENABLE_BEARER-syz_open_dev$tty1-ioctl$TIOCSETD detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000080)={0x0, 0x1, 0x6, @dev}, 0x10) getsockopt$sock_int(0xffffffffffffffff, 0x1, 0x3, 0x0, &(0x7f0000000080)) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r1 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KDGKBDIACR(r1, 0x4b4a, 0x0) syz_open_procfs$namespace(0x0, 0x0) socket$alg(0x26, 0x5, 0x0) r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fc00100}]}) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, 0x0) ioctl$SECCOMP_IOCTL_NOTIF_SEND(r2, 0xc0182101, &(0x7f0000000180)={0x0, 0xf86}) ioctl$SECCOMP_IOCTL_NOTIF_RECV(r2, 0xc0502100, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) syz_genetlink_get_family_id$tipc(0x0, 0xffffffffffffffff) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000140)={<r3=>0x0, 0x10000}, 0x0) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000240)={r3}, 0x8) sendmsg$TIPC_CMD_ENABLE_BEARER(0xffffffffffffffff, 0x0, 0x0) syz_open_dev$tty1(0xc, 0x4, 0x4) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program crashed: KASAN: slab-use-after-free Read in tty_write_room single: successfully extracted reproducer found reproducer with 19 syscalls minimizing guilty program testing program (duration=7m30.80377312s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-setsockopt$packet_add_memb-getsockopt$sock_int-openat$ptmx-syz_open_dev$tty1-ioctl$KDGKBDIACR-syz_open_procfs$namespace-socket$alg-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-ioctl$SECCOMP_IOCTL_NOTIF_SEND-ioctl$SECCOMP_IOCTL_NOTIF_RECV-syz_emit_ethernet-syz_genetlink_get_family_id$tipc-getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER-setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET-sendmsg$TIPC_CMD_ENABLE_BEARER-syz_open_dev$tty1 detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000080)={0x0, 0x1, 0x6, @dev}, 0x10) getsockopt$sock_int(0xffffffffffffffff, 0x1, 0x3, 0x0, &(0x7f0000000080)) openat$ptmx(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KDGKBDIACR(r0, 0x4b4a, 0x0) syz_open_procfs$namespace(0x0, 0x0) socket$alg(0x26, 0x5, 0x0) r1 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fc00100}]}) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, 0x0) ioctl$SECCOMP_IOCTL_NOTIF_SEND(r1, 0xc0182101, &(0x7f0000000180)={0x0, 0xf86}) ioctl$SECCOMP_IOCTL_NOTIF_RECV(r1, 0xc0502100, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) syz_genetlink_get_family_id$tipc(0x0, 0xffffffffffffffff) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000140)={<r2=>0x0, 0x10000}, 0x0) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000240)={r2}, 0x8) sendmsg$TIPC_CMD_ENABLE_BEARER(0xffffffffffffffff, 0x0, 0x0) syz_open_dev$tty1(0xc, 0x4, 0x4) program did not crash testing program (duration=7m30.80377312s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-setsockopt$packet_add_memb-getsockopt$sock_int-openat$ptmx-syz_open_dev$tty1-ioctl$KDGKBDIACR-syz_open_procfs$namespace-socket$alg-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-ioctl$SECCOMP_IOCTL_NOTIF_SEND-ioctl$SECCOMP_IOCTL_NOTIF_RECV-syz_emit_ethernet-syz_genetlink_get_family_id$tipc-getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER-setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET-sendmsg$TIPC_CMD_ENABLE_BEARER-ioctl$TIOCSETD detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000080)={0x0, 0x1, 0x6, @dev}, 0x10) getsockopt$sock_int(0xffffffffffffffff, 0x1, 0x3, 0x0, &(0x7f0000000080)) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r1 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KDGKBDIACR(r1, 0x4b4a, 0x0) syz_open_procfs$namespace(0x0, 0x0) socket$alg(0x26, 0x5, 0x0) r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fc00100}]}) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, 0x0) ioctl$SECCOMP_IOCTL_NOTIF_SEND(r2, 0xc0182101, &(0x7f0000000180)={0x0, 0xf86}) ioctl$SECCOMP_IOCTL_NOTIF_RECV(r2, 0xc0502100, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) syz_genetlink_get_family_id$tipc(0x0, 0xffffffffffffffff) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000140)={<r3=>0x0, 0x10000}, 0x0) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000240)={r3}, 0x8) sendmsg$TIPC_CMD_ENABLE_BEARER(0xffffffffffffffff, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program crashed: KASAN: slab-use-after-free Read in tty_write_room testing program (duration=7m30.80377312s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-setsockopt$packet_add_memb-getsockopt$sock_int-openat$ptmx-syz_open_dev$tty1-ioctl$KDGKBDIACR-syz_open_procfs$namespace-socket$alg-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-ioctl$SECCOMP_IOCTL_NOTIF_SEND-ioctl$SECCOMP_IOCTL_NOTIF_RECV-syz_emit_ethernet-syz_genetlink_get_family_id$tipc-getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER-setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET-ioctl$TIOCSETD detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000080)={0x0, 0x1, 0x6, @dev}, 0x10) getsockopt$sock_int(0xffffffffffffffff, 0x1, 0x3, 0x0, &(0x7f0000000080)) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r1 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KDGKBDIACR(r1, 0x4b4a, 0x0) syz_open_procfs$namespace(0x0, 0x0) socket$alg(0x26, 0x5, 0x0) r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fc00100}]}) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, 0x0) ioctl$SECCOMP_IOCTL_NOTIF_SEND(r2, 0xc0182101, &(0x7f0000000180)={0x0, 0xf86}) ioctl$SECCOMP_IOCTL_NOTIF_RECV(r2, 0xc0502100, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) syz_genetlink_get_family_id$tipc(0x0, 0xffffffffffffffff) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000140)={<r3=>0x0, 0x10000}, 0x0) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000240)={r3}, 0x8) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program crashed: KASAN: slab-use-after-free Read in tty_write_room testing program (duration=7m30.80377312s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-setsockopt$packet_add_memb-getsockopt$sock_int-openat$ptmx-syz_open_dev$tty1-ioctl$KDGKBDIACR-syz_open_procfs$namespace-socket$alg-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-ioctl$SECCOMP_IOCTL_NOTIF_SEND-ioctl$SECCOMP_IOCTL_NOTIF_RECV-syz_emit_ethernet-syz_genetlink_get_family_id$tipc-getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER-ioctl$TIOCSETD detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000080)={0x0, 0x1, 0x6, @dev}, 0x10) getsockopt$sock_int(0xffffffffffffffff, 0x1, 0x3, 0x0, &(0x7f0000000080)) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r1 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KDGKBDIACR(r1, 0x4b4a, 0x0) syz_open_procfs$namespace(0x0, 0x0) socket$alg(0x26, 0x5, 0x0) r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fc00100}]}) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, 0x0) ioctl$SECCOMP_IOCTL_NOTIF_SEND(r2, 0xc0182101, &(0x7f0000000180)={0x0, 0xf86}) ioctl$SECCOMP_IOCTL_NOTIF_RECV(r2, 0xc0502100, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) syz_genetlink_get_family_id$tipc(0x0, 0xffffffffffffffff) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000140)={0x0, 0x10000}, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program crashed: KASAN: slab-use-after-free Read in tty_write_room testing program (duration=7m30.80377312s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-setsockopt$packet_add_memb-getsockopt$sock_int-openat$ptmx-syz_open_dev$tty1-ioctl$KDGKBDIACR-syz_open_procfs$namespace-socket$alg-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-ioctl$SECCOMP_IOCTL_NOTIF_SEND-ioctl$SECCOMP_IOCTL_NOTIF_RECV-syz_emit_ethernet-syz_genetlink_get_family_id$tipc-ioctl$TIOCSETD detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000080)={0x0, 0x1, 0x6, @dev}, 0x10) getsockopt$sock_int(0xffffffffffffffff, 0x1, 0x3, 0x0, &(0x7f0000000080)) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r1 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KDGKBDIACR(r1, 0x4b4a, 0x0) syz_open_procfs$namespace(0x0, 0x0) socket$alg(0x26, 0x5, 0x0) r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fc00100}]}) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, 0x0) ioctl$SECCOMP_IOCTL_NOTIF_SEND(r2, 0xc0182101, &(0x7f0000000180)={0x0, 0xf86}) ioctl$SECCOMP_IOCTL_NOTIF_RECV(r2, 0xc0502100, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) syz_genetlink_get_family_id$tipc(0x0, 0xffffffffffffffff) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program did not crash testing program (duration=7m30.80377312s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-setsockopt$packet_add_memb-getsockopt$sock_int-openat$ptmx-syz_open_dev$tty1-ioctl$KDGKBDIACR-syz_open_procfs$namespace-socket$alg-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-ioctl$SECCOMP_IOCTL_NOTIF_SEND-ioctl$SECCOMP_IOCTL_NOTIF_RECV-syz_emit_ethernet-getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER-ioctl$TIOCSETD detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000080)={0x0, 0x1, 0x6, @dev}, 0x10) getsockopt$sock_int(0xffffffffffffffff, 0x1, 0x3, 0x0, &(0x7f0000000080)) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r1 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KDGKBDIACR(r1, 0x4b4a, 0x0) syz_open_procfs$namespace(0x0, 0x0) socket$alg(0x26, 0x5, 0x0) r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fc00100}]}) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, 0x0) ioctl$SECCOMP_IOCTL_NOTIF_SEND(r2, 0xc0182101, &(0x7f0000000180)={0x0, 0xf86}) ioctl$SECCOMP_IOCTL_NOTIF_RECV(r2, 0xc0502100, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000140)={0x0, 0x10000}, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program crashed: KASAN: slab-use-after-free Read in tty_write_room testing program (duration=7m30.80377312s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-setsockopt$packet_add_memb-getsockopt$sock_int-openat$ptmx-syz_open_dev$tty1-ioctl$KDGKBDIACR-syz_open_procfs$namespace-socket$alg-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-ioctl$SECCOMP_IOCTL_NOTIF_SEND-ioctl$SECCOMP_IOCTL_NOTIF_RECV-getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER-ioctl$TIOCSETD detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000080)={0x0, 0x1, 0x6, @dev}, 0x10) getsockopt$sock_int(0xffffffffffffffff, 0x1, 0x3, 0x0, &(0x7f0000000080)) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r1 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KDGKBDIACR(r1, 0x4b4a, 0x0) syz_open_procfs$namespace(0x0, 0x0) socket$alg(0x26, 0x5, 0x0) r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fc00100}]}) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, 0x0) ioctl$SECCOMP_IOCTL_NOTIF_SEND(r2, 0xc0182101, &(0x7f0000000180)={0x0, 0xf86}) ioctl$SECCOMP_IOCTL_NOTIF_RECV(r2, 0xc0502100, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000140)={0x0, 0x10000}, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program did not crash testing program (duration=7m30.80377312s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-setsockopt$packet_add_memb-getsockopt$sock_int-openat$ptmx-syz_open_dev$tty1-ioctl$KDGKBDIACR-syz_open_procfs$namespace-socket$alg-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-ioctl$SECCOMP_IOCTL_NOTIF_SEND-syz_emit_ethernet-getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER-ioctl$TIOCSETD detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000080)={0x0, 0x1, 0x6, @dev}, 0x10) getsockopt$sock_int(0xffffffffffffffff, 0x1, 0x3, 0x0, &(0x7f0000000080)) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r1 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KDGKBDIACR(r1, 0x4b4a, 0x0) syz_open_procfs$namespace(0x0, 0x0) socket$alg(0x26, 0x5, 0x0) r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fc00100}]}) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, 0x0) ioctl$SECCOMP_IOCTL_NOTIF_SEND(r2, 0xc0182101, &(0x7f0000000180)={0x0, 0xf86}) syz_emit_ethernet(0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000140)={0x0, 0x10000}, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program crashed: KASAN: slab-use-after-free Read in tty_write_room testing program (duration=7m30.80377312s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-setsockopt$packet_add_memb-getsockopt$sock_int-openat$ptmx-syz_open_dev$tty1-ioctl$KDGKBDIACR-syz_open_procfs$namespace-socket$alg-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER-ioctl$TIOCSETD detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000080)={0x0, 0x1, 0x6, @dev}, 0x10) getsockopt$sock_int(0xffffffffffffffff, 0x1, 0x3, 0x0, &(0x7f0000000080)) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r1 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KDGKBDIACR(r1, 0x4b4a, 0x0) syz_open_procfs$namespace(0x0, 0x0) socket$alg(0x26, 0x5, 0x0) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fc00100}]}) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000140)={0x0, 0x10000}, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program crashed: KASAN: slab-use-after-free Read in tty_write_room testing program (duration=7m30.80377312s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-setsockopt$packet_add_memb-getsockopt$sock_int-openat$ptmx-syz_open_dev$tty1-ioctl$KDGKBDIACR-syz_open_procfs$namespace-socket$alg-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER-ioctl$TIOCSETD detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000080)={0x0, 0x1, 0x6, @dev}, 0x10) getsockopt$sock_int(0xffffffffffffffff, 0x1, 0x3, 0x0, &(0x7f0000000080)) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r1 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KDGKBDIACR(r1, 0x4b4a, 0x0) syz_open_procfs$namespace(0x0, 0x0) socket$alg(0x26, 0x5, 0x0) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fc00100}]}) syz_emit_ethernet(0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000140)={0x0, 0x10000}, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program crashed: KASAN: slab-use-after-free Read in tty_write_room testing program (duration=7m30.80377312s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-setsockopt$packet_add_memb-getsockopt$sock_int-openat$ptmx-syz_open_dev$tty1-ioctl$KDGKBDIACR-syz_open_procfs$namespace-socket$alg-syz_emit_ethernet-getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER-ioctl$TIOCSETD detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000080)={0x0, 0x1, 0x6, @dev}, 0x10) getsockopt$sock_int(0xffffffffffffffff, 0x1, 0x3, 0x0, &(0x7f0000000080)) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r1 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KDGKBDIACR(r1, 0x4b4a, 0x0) syz_open_procfs$namespace(0x0, 0x0) socket$alg(0x26, 0x5, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000140)={0x0, 0x10000}, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program did not crash testing program (duration=7m30.80377312s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-setsockopt$packet_add_memb-getsockopt$sock_int-openat$ptmx-syz_open_dev$tty1-ioctl$KDGKBDIACR-syz_open_procfs$namespace-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER-ioctl$TIOCSETD detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000080)={0x0, 0x1, 0x6, @dev}, 0x10) getsockopt$sock_int(0xffffffffffffffff, 0x1, 0x3, 0x0, &(0x7f0000000080)) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r1 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KDGKBDIACR(r1, 0x4b4a, 0x0) syz_open_procfs$namespace(0x0, 0x0) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fc00100}]}) syz_emit_ethernet(0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000140)={0x0, 0x10000}, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program crashed: KASAN: slab-use-after-free Read in tty_write_room testing program (duration=7m30.80377312s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-setsockopt$packet_add_memb-getsockopt$sock_int-openat$ptmx-syz_open_dev$tty1-ioctl$KDGKBDIACR-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER-ioctl$TIOCSETD detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000080)={0x0, 0x1, 0x6, @dev}, 0x10) getsockopt$sock_int(0xffffffffffffffff, 0x1, 0x3, 0x0, &(0x7f0000000080)) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) r1 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KDGKBDIACR(r1, 0x4b4a, 0x0) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fc00100}]}) syz_emit_ethernet(0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000140)={0x0, 0x10000}, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program crashed: KASAN: slab-use-after-free Read in tty_write_room testing program (duration=7m30.80377312s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-setsockopt$packet_add_memb-getsockopt$sock_int-openat$ptmx-syz_open_dev$tty1-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER-ioctl$TIOCSETD detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000080)={0x0, 0x1, 0x6, @dev}, 0x10) getsockopt$sock_int(0xffffffffffffffff, 0x1, 0x3, 0x0, &(0x7f0000000080)) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) syz_open_dev$tty1(0xc, 0x4, 0x1) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fc00100}]}) syz_emit_ethernet(0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000140)={0x0, 0x10000}, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program crashed: KASAN: slab-use-after-free Read in tty_write_room testing program (duration=7m30.80377312s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-setsockopt$packet_add_memb-getsockopt$sock_int-openat$ptmx-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER-ioctl$TIOCSETD detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000080)={0x0, 0x1, 0x6, @dev}, 0x10) getsockopt$sock_int(0xffffffffffffffff, 0x1, 0x3, 0x0, &(0x7f0000000080)) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fc00100}]}) syz_emit_ethernet(0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000140)={0x0, 0x10000}, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program did not crash testing program (duration=7m30.80377312s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-setsockopt$packet_add_memb-getsockopt$sock_int-syz_open_dev$tty1-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER-ioctl$TIOCSETD detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000080)={0x0, 0x1, 0x6, @dev}, 0x10) getsockopt$sock_int(0xffffffffffffffff, 0x1, 0x3, 0x0, &(0x7f0000000080)) syz_open_dev$tty1(0xc, 0x4, 0x1) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fc00100}]}) syz_emit_ethernet(0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000140)={0x0, 0x10000}, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000040)=0x14) program did not crash testing program (duration=7m30.80377312s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-setsockopt$packet_add_memb-openat$ptmx-syz_open_dev$tty1-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER-ioctl$TIOCSETD detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) setsockopt$packet_add_memb(0xffffffffffffffff, 0x107, 0x1, &(0x7f0000000080)={0x0, 0x1, 0x6, @dev}, 0x10) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) syz_open_dev$tty1(0xc, 0x4, 0x1) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fc00100}]}) syz_emit_ethernet(0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000140)={0x0, 0x10000}, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program crashed: KASAN: slab-use-after-free Read in tty_write_room testing program (duration=7m30.80377312s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-openat$ptmx-syz_open_dev$tty1-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER-ioctl$TIOCSETD detailed listing: executing program 0: socket$nl_route(0x10, 0x3, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) syz_open_dev$tty1(0xc, 0x4, 0x1) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fc00100}]}) syz_emit_ethernet(0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000140)={0x0, 0x10000}, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program crashed: KASAN: slab-use-after-free Read in tty_write_room testing program (duration=7m30.80377312s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-syz_open_dev$tty1-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER-ioctl$TIOCSETD detailed listing: executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) syz_open_dev$tty1(0xc, 0x4, 0x1) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fc00100}]}) syz_emit_ethernet(0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000140)={0x0, 0x10000}, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program crashed: KASAN: slab-use-after-free Read in pty_write_room testing program (duration=7m30.80377312s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-syz_open_dev$tty1-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER-ioctl$TIOCSETD detailed listing: executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, 0x0, 0x0, 0x0) syz_open_dev$tty1(0xc, 0x4, 0x1) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fc00100}]}) syz_emit_ethernet(0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000140)={0x0, 0x10000}, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program did not crash testing program (duration=7m30.80377312s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-syz_open_dev$tty1-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER-ioctl$TIOCSETD detailed listing: executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) syz_open_dev$tty1(0xc, 0x4, 0x1) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000140)={0x0, 0x10000}, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program did not crash testing program (duration=7m30.80377312s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-syz_open_dev$tty1-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER-ioctl$TIOCSETD detailed listing: executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) syz_open_dev$tty1(0xc, 0x4, 0x1) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x0, 0x0}) syz_emit_ethernet(0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000140)={0x0, 0x10000}, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program did not crash testing program (duration=7m30.80377312s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-syz_open_dev$tty1-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER-ioctl$TIOCSETD detailed listing: executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) syz_open_dev$tty1(0xc, 0x4, 0x1) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fc00100}]}) syz_emit_ethernet(0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program crashed: KASAN: slab-use-after-free Read in tty_write_room testing program (duration=7m30.80377312s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-syz_open_dev$tty1-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER-ioctl$TIOCSETD detailed listing: executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) syz_open_dev$tty1(0xc, 0x4, 0x1) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fc00100}]}) syz_emit_ethernet(0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=7m30.80377312s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-syz_open_dev$tty1-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER-ioctl$TIOCSETD program did not crash simplifying guilty program options testing program (duration=7m30.80377312s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-syz_open_dev$tty1-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER-ioctl$TIOCSETD detailed listing: executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) syz_open_dev$tty1(0xc, 0x4, 0x1) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fc00100}]}) syz_emit_ethernet(0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program did not crash testing program (duration=7m30.80377312s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-syz_open_dev$tty1-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER-ioctl$TIOCSETD detailed listing: executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) syz_open_dev$tty1(0xc, 0x4, 0x1) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fc00100}]}) syz_emit_ethernet(0x0, 0x0, 0x0) getsockopt$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program did not crash reproducing took 2h38m2.362596125s repro crashed as (corrupted=false): ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 ================================================================== BUG: KASAN: slab-use-after-free in tty_write_room+0x3c/0x8c drivers/tty/tty_ioctl.c:68 Read of size 8 at addr ffff0000e8029020 by task aoe_tx0/2354 CPU: 1 UID: 0 PID: 2354 Comm: aoe_tx0 Not tainted 6.13.0-rc3-syzkaller-g573067a5a685 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0x198/0x538 mm/kasan/report.c:489 kasan_report+0xd8/0x138 mm/kasan/report.c:602 __asan_report_load8_noabort+0x20/0x2c mm/kasan/report_generic.c:381 tty_write_room+0x3c/0x8c drivers/tty/tty_ioctl.c:68 handle_tx+0x120/0x604 drivers/net/caif/caif_serial.c:226 caif_xmit+0x108/0x150 drivers/net/caif/caif_serial.c:282 __netdev_start_xmit include/linux/netdevice.h:5002 [inline] netdev_start_xmit include/linux/netdevice.h:5011 [inline] xmit_one net/core/dev.c:3590 [inline] dev_hard_start_xmit+0x274/0x904 net/core/dev.c:3606 __dev_queue_xmit+0x1680/0x35b4 net/core/dev.c:4434 dev_queue_xmit include/linux/netdevice.h:3168 [inline] tx+0x9c/0x1cc drivers/block/aoe/aoenet.c:62 kthread+0x1ac/0x374 drivers/block/aoe/aoecmd.c:1237 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 Allocated by task 10859: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x40/0x78 mm/kasan/common.c:68 kasan_save_alloc_info+0x40/0x50 mm/kasan/generic.c:568 poison_kmalloc_redzone mm/kasan/common.c:377 [inline] __kasan_kmalloc+0xac/0xc4 mm/kasan/common.c:394 kasan_kmalloc include/linux/kasan.h:260 [inline] __kmalloc_cache_noprof+0x2cc/0x428 mm/slub.c:4329 kmalloc_noprof include/linux/slab.h:901 [inline] kzalloc_noprof include/linux/slab.h:1037 [inline] alloc_tty_struct+0xb8/0x684 drivers/tty/tty_io.c:3116 tty_init_dev+0x60/0x3ec drivers/tty/tty_io.c:1409 ptmx_open+0xfc/0x2d0 drivers/tty/pty.c:824 chrdev_open+0x3b0/0x4bc fs/char_dev.c:414 do_dentry_open+0xc0c/0x168c fs/open.c:945 vfs_open+0x48/0x2d4 fs/open.c:1075 do_open fs/namei.c:3828 [inline] path_openat+0x2300/0x2b14 fs/namei.c:3987 do_filp_open+0x1e8/0x404 fs/namei.c:4014 do_sys_openat2+0x124/0x1b8 fs/open.c:1402 do_sys_open fs/open.c:1417 [inline] __do_sys_openat fs/open.c:1433 [inline] __se_sys_openat fs/open.c:1428 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1428 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 Freed by task 2260: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x40/0x78 mm/kasan/common.c:68 kasan_save_free_info+0x54/0x6c mm/kasan/generic.c:582 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x64/0x8c mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:233 [inline] slab_free_hook mm/slub.c:2353 [inline] slab_free mm/slub.c:4613 [inline] kfree+0x180/0x478 mm/slub.c:4761 free_tty_struct drivers/tty/tty_io.c:174 [inline] release_one_tty+0x22c/0x24c drivers/tty/tty_io.c:1542 process_one_work+0x7a8/0x15cc kernel/workqueue.c:3229 process_scheduled_works kernel/workqueue.c:3310 [inline] worker_thread+0x97c/0xeec kernel/workqueue.c:3391 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 Last potentially related work creation: kasan_save_stack+0x40/0x6c mm/kasan/common.c:47 __kasan_record_aux_stack+0xb8/0xd0 mm/kasan/generic.c:544 kasan_record_aux_stack_noalloc+0x14/0x20 mm/kasan/generic.c:554 insert_work+0x54/0x2d4 kernel/workqueue.c:2183 __queue_work+0xe20/0x1308 kernel/workqueue.c:2339 queue_work_on+0xe0/0x1a0 kernel/workqueue.c:2390 queue_work include/linux/workqueue.h:662 [inline] schedule_work include/linux/workqueue.h:723 [inline] queue_release_one_tty drivers/tty/tty_io.c:1553 [inline] kref_put include/linux/kref.h:65 [inline] tty_kref_put+0x14c/0x1c0 drivers/tty/tty_io.c:1566 release_tty+0x3f0/0x4ac drivers/tty/tty_io.c:1602 tty_release_struct+0xb4/0xd4 drivers/tty/tty_io.c:1701 tty_release+0xb64/0x1014 drivers/tty/tty_io.c:1861 __fput+0x1bc/0x75c fs/file_table.c:450 ____fput+0x20/0x30 fs/file_table.c:478 task_work_run+0x230/0x2e0 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x178/0x1f4 arch/arm64/kernel/entry-common.c:151 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_svc+0xac/0x168 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 The buggy address belongs to the object at ffff0000e8029000 which belongs to the cache kmalloc-cg-2k of size 2048 The buggy address is located 32 bytes inside of freed 2048-byte region [ffff0000e8029000, ffff0000e8029800) The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x128028 head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 memcg:ffff0000e6ae3001 flags: 0x5ffc00000000040(head|node=0|zone=2|lastcpupid=0x7ff) page_type: f5(slab) raw: 05ffc00000000040 ffff0000c000f3c0 fffffdffc32a1a00 dead000000000002 raw: 0000000000000000 0000000000080008 00000001f5000000 ffff0000e6ae3001 head: 05ffc00000000040 ffff0000c000f3c0 fffffdffc32a1a00 dead000000000002 head: 0000000000000000 0000000000080008 00000001f5000000 ffff0000e6ae3001 head: 05ffc00000000003 fffffdffc3a00a01 ffffffffffffffff 0000000000000000 head: 0000000f00000008 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000e8028f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff0000e8028f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff0000e8029000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff0000e8029080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff0000e8029100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== Unable to handle kernel paging request at virtual address e0b3406e60000100 KASAN: maybe wild-memory-access in range [0x059e037300000800-0x059e037300000807] Mem abort info: ESR = 0x0000000096000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: level 0 translation fault Data abort info: ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [e0b3406e60000100] address between user and kernel address ranges Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP Modules linked in: CPU: 1 UID: 0 PID: 2354 Comm: aoe_tx0 Tainted: G B 6.13.0-rc3-syzkaller-g573067a5a685 #0 Tainted: [B]=BAD_PAGE Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : get_work_pool+0xf8/0x198 kernel/workqueue.c:887 lr : get_work_pool+0xf0/0x198 kernel/workqueue.c:887 sp : ffff8000a19e75c0 x29: ffff8000a19e75c0 x28: ffff80008f9a1168 x27: ffff0000d0b32820 x26: dfff800000000000 x25: ffff80008f99d600 x24: ffff0000c1082000 x23: ffff0000c00311c8 x22: 0000000000000001 x21: 059e0373000008d5 x20: dfff800000000000 x19: 059e037300000800 x18: 0000000000000008 x17: ffff8000858c0e0c x16: ffff80008b6a08bc x15: ffff60001a166501 x14: 1fffe0001a166501 x13: 00000000000000fb x12: ffffffffffffffff x11: ffff60001a166501 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : 00b3c06e60000100 x7 : 0010a28800000000 x6 : ffff80008037be10 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff80008036aeac x2 : 0000000000000000 x1 : 0000000000000004 x0 : 0000000000000000 Call trace: get_work_pool+0xf8/0x198 kernel/workqueue.c:887 (P) __queue_work+0x6dc/0x1308 kernel/workqueue.c:2281 queue_work_on+0xe0/0x1a0 kernel/workqueue.c:2390 queue_work include/linux/workqueue.h:662 [inline] tty_insert_flip_string_and_push_buffer+0x2e0/0x32c drivers/tty/tty_buffer.c:564 pty_write+0xb8/0xec drivers/tty/pty.c:118 handle_tx+0x200/0x604 drivers/net/caif/caif_serial.c:236 caif_xmit+0x108/0x150 drivers/net/caif/caif_serial.c:282 __netdev_start_xmit include/linux/netdevice.h:5002 [inline] netdev_start_xmit include/linux/netdevice.h:5011 [inline] xmit_one net/core/dev.c:3590 [inline] dev_hard_start_xmit+0x274/0x904 net/core/dev.c:3606 __dev_queue_xmit+0x1680/0x35b4 net/core/dev.c:4434 dev_queue_xmit include/linux/netdevice.h:3168 [inline] tx+0x9c/0x1cc drivers/block/aoe/aoenet.c:62 kthread+0x1ac/0x374 drivers/block/aoe/aoecmd.c:1237 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 Code: 1400000f 940cc912 9277dab3 d343fe68 (38746908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 1400000f b 0x3c 4: 940cc912 bl 0x33244c 8: 9277dab3 and x19, x21, #0xfffffffffffffe00 c: d343fe68 lsr x8, x19, #3 * 10: 38746908 ldrb w8, [x8, x20] <-- trapping instruction final repro crashed as (corrupted=false): ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 ================================================================== BUG: KASAN: slab-use-after-free in tty_write_room+0x3c/0x8c drivers/tty/tty_ioctl.c:68 Read of size 8 at addr ffff0000e8029020 by task aoe_tx0/2354 CPU: 1 UID: 0 PID: 2354 Comm: aoe_tx0 Not tainted 6.13.0-rc3-syzkaller-g573067a5a685 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call trace: show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:466 (C) __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0xe4/0x150 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:378 [inline] print_report+0x198/0x538 mm/kasan/report.c:489 kasan_report+0xd8/0x138 mm/kasan/report.c:602 __asan_report_load8_noabort+0x20/0x2c mm/kasan/report_generic.c:381 tty_write_room+0x3c/0x8c drivers/tty/tty_ioctl.c:68 handle_tx+0x120/0x604 drivers/net/caif/caif_serial.c:226 caif_xmit+0x108/0x150 drivers/net/caif/caif_serial.c:282 __netdev_start_xmit include/linux/netdevice.h:5002 [inline] netdev_start_xmit include/linux/netdevice.h:5011 [inline] xmit_one net/core/dev.c:3590 [inline] dev_hard_start_xmit+0x274/0x904 net/core/dev.c:3606 __dev_queue_xmit+0x1680/0x35b4 net/core/dev.c:4434 dev_queue_xmit include/linux/netdevice.h:3168 [inline] tx+0x9c/0x1cc drivers/block/aoe/aoenet.c:62 kthread+0x1ac/0x374 drivers/block/aoe/aoecmd.c:1237 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 Allocated by task 10859: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x40/0x78 mm/kasan/common.c:68 kasan_save_alloc_info+0x40/0x50 mm/kasan/generic.c:568 poison_kmalloc_redzone mm/kasan/common.c:377 [inline] __kasan_kmalloc+0xac/0xc4 mm/kasan/common.c:394 kasan_kmalloc include/linux/kasan.h:260 [inline] __kmalloc_cache_noprof+0x2cc/0x428 mm/slub.c:4329 kmalloc_noprof include/linux/slab.h:901 [inline] kzalloc_noprof include/linux/slab.h:1037 [inline] alloc_tty_struct+0xb8/0x684 drivers/tty/tty_io.c:3116 tty_init_dev+0x60/0x3ec drivers/tty/tty_io.c:1409 ptmx_open+0xfc/0x2d0 drivers/tty/pty.c:824 chrdev_open+0x3b0/0x4bc fs/char_dev.c:414 do_dentry_open+0xc0c/0x168c fs/open.c:945 vfs_open+0x48/0x2d4 fs/open.c:1075 do_open fs/namei.c:3828 [inline] path_openat+0x2300/0x2b14 fs/namei.c:3987 do_filp_open+0x1e8/0x404 fs/namei.c:4014 do_sys_openat2+0x124/0x1b8 fs/open.c:1402 do_sys_open fs/open.c:1417 [inline] __do_sys_openat fs/open.c:1433 [inline] __se_sys_openat fs/open.c:1428 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1428 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 Freed by task 2260: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x40/0x78 mm/kasan/common.c:68 kasan_save_free_info+0x54/0x6c mm/kasan/generic.c:582 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x64/0x8c mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:233 [inline] slab_free_hook mm/slub.c:2353 [inline] slab_free mm/slub.c:4613 [inline] kfree+0x180/0x478 mm/slub.c:4761 free_tty_struct drivers/tty/tty_io.c:174 [inline] release_one_tty+0x22c/0x24c drivers/tty/tty_io.c:1542 process_one_work+0x7a8/0x15cc kernel/workqueue.c:3229 process_scheduled_works kernel/workqueue.c:3310 [inline] worker_thread+0x97c/0xeec kernel/workqueue.c:3391 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 Last potentially related work creation: kasan_save_stack+0x40/0x6c mm/kasan/common.c:47 __kasan_record_aux_stack+0xb8/0xd0 mm/kasan/generic.c:544 kasan_record_aux_stack_noalloc+0x14/0x20 mm/kasan/generic.c:554 insert_work+0x54/0x2d4 kernel/workqueue.c:2183 __queue_work+0xe20/0x1308 kernel/workqueue.c:2339 queue_work_on+0xe0/0x1a0 kernel/workqueue.c:2390 queue_work include/linux/workqueue.h:662 [inline] schedule_work include/linux/workqueue.h:723 [inline] queue_release_one_tty drivers/tty/tty_io.c:1553 [inline] kref_put include/linux/kref.h:65 [inline] tty_kref_put+0x14c/0x1c0 drivers/tty/tty_io.c:1566 release_tty+0x3f0/0x4ac drivers/tty/tty_io.c:1602 tty_release_struct+0xb4/0xd4 drivers/tty/tty_io.c:1701 tty_release+0xb64/0x1014 drivers/tty/tty_io.c:1861 __fput+0x1bc/0x75c fs/file_table.c:450 ____fput+0x20/0x30 fs/file_table.c:478 task_work_run+0x230/0x2e0 kernel/task_work.c:239 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] do_notify_resume+0x178/0x1f4 arch/arm64/kernel/entry-common.c:151 exit_to_user_mode_prepare arch/arm64/kernel/entry-common.c:169 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:178 [inline] el0_svc+0xac/0x168 arch/arm64/kernel/entry-common.c:745 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600 The buggy address belongs to the object at ffff0000e8029000 which belongs to the cache kmalloc-cg-2k of size 2048 The buggy address is located 32 bytes inside of freed 2048-byte region [ffff0000e8029000, ffff0000e8029800) The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x128028 head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 memcg:ffff0000e6ae3001 flags: 0x5ffc00000000040(head|node=0|zone=2|lastcpupid=0x7ff) page_type: f5(slab) raw: 05ffc00000000040 ffff0000c000f3c0 fffffdffc32a1a00 dead000000000002 raw: 0000000000000000 0000000000080008 00000001f5000000 ffff0000e6ae3001 head: 05ffc00000000040 ffff0000c000f3c0 fffffdffc32a1a00 dead000000000002 head: 0000000000000000 0000000000080008 00000001f5000000 ffff0000e6ae3001 head: 05ffc00000000003 fffffdffc3a00a01 ffffffffffffffff 0000000000000000 head: 0000000f00000008 0000000000000000 00000000ffffffff 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000e8028f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff0000e8028f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff0000e8029000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff0000e8029080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff0000e8029100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== Unable to handle kernel paging request at virtual address e0b3406e60000100 KASAN: maybe wild-memory-access in range [0x059e037300000800-0x059e037300000807] Mem abort info: ESR = 0x0000000096000004 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x04: level 0 translation fault Data abort info: ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 CM = 0, WnR = 0, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [e0b3406e60000100] address between user and kernel address ranges Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP Modules linked in: CPU: 1 UID: 0 PID: 2354 Comm: aoe_tx0 Tainted: G B 6.13.0-rc3-syzkaller-g573067a5a685 #0 Tainted: [B]=BAD_PAGE Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : get_work_pool+0xf8/0x198 kernel/workqueue.c:887 lr : get_work_pool+0xf0/0x198 kernel/workqueue.c:887 sp : ffff8000a19e75c0 x29: ffff8000a19e75c0 x28: ffff80008f9a1168 x27: ffff0000d0b32820 x26: dfff800000000000 x25: ffff80008f99d600 x24: ffff0000c1082000 x23: ffff0000c00311c8 x22: 0000000000000001 x21: 059e0373000008d5 x20: dfff800000000000 x19: 059e037300000800 x18: 0000000000000008 x17: ffff8000858c0e0c x16: ffff80008b6a08bc x15: ffff60001a166501 x14: 1fffe0001a166501 x13: 00000000000000fb x12: ffffffffffffffff x11: ffff60001a166501 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : 00b3c06e60000100 x7 : 0010a28800000000 x6 : ffff80008037be10 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff80008036aeac x2 : 0000000000000000 x1 : 0000000000000004 x0 : 0000000000000000 Call trace: get_work_pool+0xf8/0x198 kernel/workqueue.c:887 (P) __queue_work+0x6dc/0x1308 kernel/workqueue.c:2281 queue_work_on+0xe0/0x1a0 kernel/workqueue.c:2390 queue_work include/linux/workqueue.h:662 [inline] tty_insert_flip_string_and_push_buffer+0x2e0/0x32c drivers/tty/tty_buffer.c:564 pty_write+0xb8/0xec drivers/tty/pty.c:118 handle_tx+0x200/0x604 drivers/net/caif/caif_serial.c:236 caif_xmit+0x108/0x150 drivers/net/caif/caif_serial.c:282 __netdev_start_xmit include/linux/netdevice.h:5002 [inline] netdev_start_xmit include/linux/netdevice.h:5011 [inline] xmit_one net/core/dev.c:3590 [inline] dev_hard_start_xmit+0x274/0x904 net/core/dev.c:3606 __dev_queue_xmit+0x1680/0x35b4 net/core/dev.c:4434 dev_queue_xmit include/linux/netdevice.h:3168 [inline] tx+0x9c/0x1cc drivers/block/aoe/aoenet.c:62 kthread+0x1ac/0x374 drivers/block/aoe/aoecmd.c:1237 kthread+0x288/0x310 kernel/kthread.c:389 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:862 Code: 1400000f 940cc912 9277dab3 d343fe68 (38746908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 1400000f b 0x3c 4: 940cc912 bl 0x33244c 8: 9277dab3 and x19, x21, #0xfffffffffffffe00 c: d343fe68 lsr x8, x19, #3 * 10: 38746908 ldrb w8, [x8, x20] <-- trapping instruction