Extracting prog: 4m29.069192394s Minimizing prog: 2h0m9.359429897s Simplifying prog options: 12m5.772917733s Extracting C: 5m13.153657573s 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 CallComments:true 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)={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 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 CallComments:true 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)={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: use-after-free Read in tty_write_room single: successfully extracted reproducer found reproducer with 19 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000140)={0x0, 0x10000}, 0x0) setsockopt$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=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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$inet_sctp_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, &(0x7f0000000140)={0x0, 0x10000}, 0x0) setsockopt$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: use-after-free Read in tty_write_room testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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)={0x0, 0x10000}, 0x0) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000240)={r3}, 0x8) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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-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)={0x0, 0x10000}, 0x0) sendmsg$TIPC_CMD_ENABLE_BEARER(0xffffffffffffffff, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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$tipc-setsockopt$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$tipc(0x0, 0xffffffffffffffff) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000240), 0x8) sendmsg$TIPC_CMD_ENABLE_BEARER(0xffffffffffffffff, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program crashed: KASAN: use-after-free Read in tty_write_room testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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-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$SECCOMP_IOCTL_NOTIF_RECV(r2, 0xc0502100, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000240), 0x8) sendmsg$TIPC_CMD_ENABLE_BEARER(0xffffffffffffffff, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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_genetlink_get_family_id$tipc-setsockopt$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_genetlink_get_family_id$tipc(0x0, 0xffffffffffffffff) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000240), 0x8) sendmsg$TIPC_CMD_ENABLE_BEARER(0xffffffffffffffff, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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$SECCOMP_IOCTL_NOTIF_SEND-syz_emit_ethernet-syz_genetlink_get_family_id$tipc-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}) syz_emit_ethernet(0x0, 0x0, 0x0) syz_genetlink_get_family_id$tipc(0x0, 0xffffffffffffffff) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000240), 0x8) sendmsg$TIPC_CMD_ENABLE_BEARER(0xffffffffffffffff, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program crashed: KASAN: use-after-free Read in tty_write_room testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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-syz_genetlink_get_family_id$tipc-setsockopt$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) 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) syz_genetlink_get_family_id$tipc(0x0, 0xffffffffffffffff) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000240), 0x8) sendmsg$TIPC_CMD_ENABLE_BEARER(0xffffffffffffffff, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program crashed: KASAN: use-after-free Read in tty_write_room testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-syz_genetlink_get_family_id$tipc-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$alg(0x26, 0x5, 0x0) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fc00100}]}) syz_emit_ethernet(0x0, 0x0, 0x0) syz_genetlink_get_family_id$tipc(0x0, 0xffffffffffffffff) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000240), 0x8) sendmsg$TIPC_CMD_ENABLE_BEARER(0xffffffffffffffff, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program crashed: KASAN: use-after-free Read in tty_write_room testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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-syz_genetlink_get_family_id$tipc-setsockopt$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) syz_emit_ethernet(0x0, 0x0, 0x0) syz_genetlink_get_family_id$tipc(0x0, 0xffffffffffffffff) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000240), 0x8) sendmsg$TIPC_CMD_ENABLE_BEARER(0xffffffffffffffff, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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-syz_genetlink_get_family_id$tipc-setsockopt$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$namespace(0x0, 0x0) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fc00100}]}) syz_emit_ethernet(0x0, 0x0, 0x0) syz_genetlink_get_family_id$tipc(0x0, 0xffffffffffffffff) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000240), 0x8) sendmsg$TIPC_CMD_ENABLE_BEARER(0xffffffffffffffff, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program crashed: KASAN: use-after-free Read in tty_write_room testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-setsockopt$packet_add_memb-getsockopt$sock_int-openat$ptmx-syz_open_dev$tty1-ioctl$KDGKBDIACR-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-syz_genetlink_get_family_id$tipc-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$KDGKBDIACR(r1, 0x4b4a, 0x0) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fc00100}]}) syz_emit_ethernet(0x0, 0x0, 0x0) syz_genetlink_get_family_id$tipc(0x0, 0xffffffffffffffff) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000240), 0x8) sendmsg$TIPC_CMD_ENABLE_BEARER(0xffffffffffffffff, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program crashed: KASAN: use-after-free Read in tty_write_room testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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-syz_genetlink_get_family_id$tipc-setsockopt$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) 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) syz_genetlink_get_family_id$tipc(0x0, 0xffffffffffffffff) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000240), 0x8) sendmsg$TIPC_CMD_ENABLE_BEARER(0xffffffffffffffff, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program crashed: KASAN: use-after-free Read in tty_write_room testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-setsockopt$packet_add_memb-getsockopt$sock_int-openat$ptmx-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-syz_genetlink_get_family_id$tipc-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$ptmx(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fc00100}]}) syz_emit_ethernet(0x0, 0x0, 0x0) syz_genetlink_get_family_id$tipc(0x0, 0xffffffffffffffff) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000240), 0x8) sendmsg$TIPC_CMD_ENABLE_BEARER(0xffffffffffffffff, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program crashed: KASAN: use-after-free Read in tty_write_room testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-setsockopt$packet_add_memb-getsockopt$sock_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-syz_genetlink_get_family_id$tipc-setsockopt$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$sock_int(0xffffffffffffffff, 0x1, 0x3, 0x0, &(0x7f0000000080)) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fc00100}]}) syz_emit_ethernet(0x0, 0x0, 0x0) syz_genetlink_get_family_id$tipc(0x0, 0xffffffffffffffff) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000240), 0x8) sendmsg$TIPC_CMD_ENABLE_BEARER(0xffffffffffffffff, 0x0, 0x0) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f0000000040)=0x14) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-setsockopt$packet_add_memb-openat$ptmx-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-syz_genetlink_get_family_id$tipc-setsockopt$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) 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) syz_genetlink_get_family_id$tipc(0x0, 0xffffffffffffffff) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000240), 0x8) sendmsg$TIPC_CMD_ENABLE_BEARER(0xffffffffffffffff, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program crashed: KASAN: use-after-free Read in tty_write_room testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-openat$ptmx-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-syz_genetlink_get_family_id$tipc-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) 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) syz_genetlink_get_family_id$tipc(0x0, 0xffffffffffffffff) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000240), 0x8) sendmsg$TIPC_CMD_ENABLE_BEARER(0xffffffffffffffff, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program crashed: KASAN: use-after-free Read in tty_write_room testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-syz_genetlink_get_family_id$tipc-setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET-sendmsg$TIPC_CMD_ENABLE_BEARER-ioctl$TIOCSETD detailed listing: executing program 0: 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) syz_genetlink_get_family_id$tipc(0x0, 0xffffffffffffffff) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000240), 0x8) sendmsg$TIPC_CMD_ENABLE_BEARER(0xffffffffffffffff, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program crashed: KASAN: use-after-free Read in tty_write_room testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-syz_genetlink_get_family_id$tipc-setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET-sendmsg$TIPC_CMD_ENABLE_BEARER-ioctl$TIOCSETD detailed listing: executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, 0x0, 0x0, 0x0) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x1, &(0x7f0000000000)=[{0x6, 0x0, 0x0, 0x7fc00100}]}) syz_emit_ethernet(0x0, 0x0, 0x0) syz_genetlink_get_family_id$tipc(0x0, 0xffffffffffffffff) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000240), 0x8) sendmsg$TIPC_CMD_ENABLE_BEARER(0xffffffffffffffff, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-syz_genetlink_get_family_id$tipc-setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET-sendmsg$TIPC_CMD_ENABLE_BEARER-ioctl$TIOCSETD detailed listing: executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, 0x0) syz_emit_ethernet(0x0, 0x0, 0x0) syz_genetlink_get_family_id$tipc(0x0, 0xffffffffffffffff) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000240), 0x8) sendmsg$TIPC_CMD_ENABLE_BEARER(0xffffffffffffffff, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-syz_genetlink_get_family_id$tipc-setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET-sendmsg$TIPC_CMD_ENABLE_BEARER-ioctl$TIOCSETD detailed listing: executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000400), 0x0, 0x0) seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x8, &(0x7f0000000040)={0x0, 0x0}) syz_emit_ethernet(0x0, 0x0, 0x0) syz_genetlink_get_family_id$tipc(0x0, 0xffffffffffffffff) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, &(0x7f0000000240), 0x8) sendmsg$TIPC_CMD_ENABLE_BEARER(0xffffffffffffffff, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-syz_genetlink_get_family_id$tipc-setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET-sendmsg$TIPC_CMD_ENABLE_BEARER-ioctl$TIOCSETD detailed listing: executing program 0: 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) syz_genetlink_get_family_id$tipc(0x0, 0xffffffffffffffff) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, 0x0, 0x0) sendmsg$TIPC_CMD_ENABLE_BEARER(0xffffffffffffffff, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program crashed: KASAN: use-after-free Read in tty_write_room testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-syz_genetlink_get_family_id$tipc-setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET-sendmsg$TIPC_CMD_ENABLE_BEARER-ioctl$TIOCSETD detailed listing: executing program 0: 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) syz_genetlink_get_family_id$tipc(0x0, 0xffffffffffffffff) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, 0x0, 0x0) sendmsg$TIPC_CMD_ENABLE_BEARER(0xffffffffffffffff, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-syz_genetlink_get_family_id$tipc-setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET-sendmsg$TIPC_CMD_ENABLE_BEARER-ioctl$TIOCSETD program crashed: no output from test machine a never seen crash title: no output from test machine, ignore simplifying guilty program options testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-syz_genetlink_get_family_id$tipc-setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET-sendmsg$TIPC_CMD_ENABLE_BEARER-ioctl$TIOCSETD detailed listing: executing program 0: 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) syz_genetlink_get_family_id$tipc(0x0, 0xffffffffffffffff) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, 0x0, 0x0) sendmsg$TIPC_CMD_ENABLE_BEARER(0xffffffffffffffff, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program did not crash testing program (duration=6m0s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-syz_genetlink_get_family_id$tipc-setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET-sendmsg$TIPC_CMD_ENABLE_BEARER-ioctl$TIOCSETD detailed listing: executing program 0: 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) syz_genetlink_get_family_id$tipc(0x0, 0xffffffffffffffff) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, 0x0, 0x0) sendmsg$TIPC_CMD_ENABLE_BEARER(0xffffffffffffffff, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-syz_genetlink_get_family_id$tipc-setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET-sendmsg$TIPC_CMD_ENABLE_BEARER-ioctl$TIOCSETD detailed listing: executing program 0: 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) syz_genetlink_get_family_id$tipc(0x0, 0xffffffffffffffff) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, 0x0, 0x0) sendmsg$TIPC_CMD_ENABLE_BEARER(0xffffffffffffffff, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program crashed: KASAN: use-after-free Read in tty_write_room validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-syz_genetlink_get_family_id$tipc-setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET-sendmsg$TIPC_CMD_ENABLE_BEARER-ioctl$TIOCSETD detailed listing: executing program 0: 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) syz_genetlink_get_family_id$tipc(0x0, 0xffffffffffffffff) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, 0x0, 0x0) sendmsg$TIPC_CMD_ENABLE_BEARER(0xffffffffffffffff, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program crashed: KASAN: use-after-free Read in tty_write_room validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-syz_emit_ethernet-syz_genetlink_get_family_id$tipc-setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET-sendmsg$TIPC_CMD_ENABLE_BEARER-ioctl$TIOCSETD detailed listing: executing program 0: 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) syz_genetlink_get_family_id$tipc(0x0, 0xffffffffffffffff) setsockopt$inet_sctp_SCTP_ENABLE_STREAM_RESET(0xffffffffffffffff, 0x84, 0x76, 0x0, 0x0) sendmsg$TIPC_CMD_ENABLE_BEARER(0xffffffffffffffff, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f0000000040)=0x14) program crashed: KASAN: use-after-free Read in tty_write_room validation run: crashed=true reproducing took 2h34m6.635079313s repro crashed as (corrupted=false): ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 ================================================================== BUG: KASAN: use-after-free in tty_write_room+0x3c/0x8c drivers/tty/tty_ioctl.c:79 Read of size 8 at addr ffff0000df450018 by task aoe_tx0/2062 CPU: 0 PID: 2062 Comm: aoe_tx0 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack+0x30/0x40 lib/dump_stack.c:88 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106 print_address_description+0x88/0x218 mm/kasan/report.c:316 print_report+0x50/0x68 mm/kasan/report.c:420 kasan_report+0xa8/0x100 mm/kasan/report.c:524 __asan_report_load8_noabort+0x2c/0x38 mm/kasan/report_generic.c:351 tty_write_room+0x3c/0x8c drivers/tty/tty_ioctl.c:79 handle_tx+0x120/0x5f8 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:4896 [inline] netdev_start_xmit include/linux/netdevice.h:4910 [inline] xmit_one net/core/dev.c:3670 [inline] dev_hard_start_xmit+0x244/0x8e0 net/core/dev.c:3686 __dev_queue_xmit+0x155c/0x309c net/core/dev.c:4346 dev_queue_xmit include/linux/netdevice.h:3051 [inline] tx+0x9c/0x1c8 drivers/block/aoe/aoenet.c:63 kthread+0x160/0x330 drivers/block/aoe/aoecmd.c:1241 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 Allocated by task 28738: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4c/0x80 mm/kasan/common.c:52 kasan_save_alloc_info+0x28/0x34 mm/kasan/generic.c:505 ____kasan_kmalloc mm/kasan/common.c:374 [inline] __kasan_kmalloc+0xa0/0xb8 mm/kasan/common.c:383 kasan_kmalloc include/linux/kasan.h:211 [inline] kmalloc_trace+0x7c/0x94 mm/slab_common.c:1031 kmalloc include/linux/slab.h:563 [inline] kzalloc include/linux/slab.h:699 [inline] alloc_tty_struct+0xb8/0x654 drivers/tty/tty_io.c:3089 tty_init_dev+0x60/0x3e8 drivers/tty/tty_io.c:1408 ptmx_open+0xfc/0x2d0 drivers/tty/pty.c:824 chrdev_open+0x26c/0x4f0 fs/char_dev.c:414 do_dentry_open+0x730/0xfa8 fs/open.c:882 vfs_open+0x7c/0x90 fs/open.c:1013 do_open fs/namei.c:3634 [inline] path_openat+0x1f48/0x2680 fs/namei.c:3791 do_filp_open+0x174/0x344 fs/namei.c:3818 do_sys_openat2+0x128/0x3d8 fs/open.c:1318 do_sys_open fs/open.c:1334 [inline] __do_sys_openat fs/open.c:1350 [inline] __se_sys_openat fs/open.c:1345 [inline] __arm64_sys_openat+0x120/0x154 fs/open.c:1345 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Freed by task 4438: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4c/0x80 mm/kasan/common.c:52 kasan_save_free_info+0x3c/0x60 mm/kasan/generic.c:516 ____kasan_slab_free+0x148/0x1b0 mm/kasan/common.c:236 __kasan_slab_free+0x18/0x28 mm/kasan/common.c:244 kasan_slab_free include/linux/kasan.h:177 [inline] slab_free_hook mm/slub.c:1729 [inline] slab_free_freelist_hook+0x16c/0x1ec mm/slub.c:1755 slab_free mm/slub.c:3687 [inline] __kmem_cache_free+0xc0/0x224 mm/slub.c:3700 kfree+0xd0/0x1ac mm/slab_common.c:988 free_tty_struct drivers/tty/tty_io.c:173 [inline] release_one_tty+0x21c/0x238 drivers/tty/tty_io.c:1541 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 Last potentially related work creation: kasan_save_stack+0x40/0x70 mm/kasan/common.c:45 __kasan_record_aux_stack+0xc0/0xdc mm/kasan/generic.c:486 kasan_record_aux_stack_noalloc+0x14/0x20 mm/kasan/generic.c:496 insert_work+0x64/0x37c kernel/workqueue.c:1361 __queue_work+0xcbc/0x123c kernel/workqueue.c:1520 queue_work_on+0xc0/0x16c kernel/workqueue.c:1548 queue_work include/linux/workqueue.h:512 [inline] schedule_work include/linux/workqueue.h:573 [inline] queue_release_one_tty drivers/tty/tty_io.c:1552 [inline] kref_put include/linux/kref.h:65 [inline] tty_kref_put+0x144/0x1b8 drivers/tty/tty_io.c:1565 release_tty+0x3e8/0x4a4 drivers/tty/tty_io.c:1601 tty_release_struct+0xb4/0xd4 drivers/tty/tty_io.c:1700 tty_release+0xa0c/0x1208 drivers/tty/tty_io.c:1860 __fput+0x1bc/0x7c0 fs/file_table.c:320 ____fput+0x20/0x30 fs/file_table.c:348 task_work_run+0x1ec/0x270 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x2038/0x2b28 arch/arm64/kernel/signal.c:1137 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x98/0x138 arch/arm64/kernel/entry-common.c:638 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Second to last potentially related work creation: kasan_save_stack+0x40/0x70 mm/kasan/common.c:45 __kasan_record_aux_stack+0xc0/0xdc mm/kasan/generic.c:486 kasan_record_aux_stack_noalloc+0x14/0x20 mm/kasan/generic.c:496 call_rcu+0x100/0x954 kernel/rcu/tree.c:2849 in6_dev_finish_destroy+0x158/0x1d8 net/ipv6/addrconf_core.c:278 in6_dev_put include/net/addrconf.h:388 [inline] addrconf_ifdown+0x1354/0x15dc net/ipv6/addrconf.c:3954 addrconf_notify+0x2f4/0xca8 net/ipv6/addrconf.c:-1 notifier_call_chain kernel/notifier.c:87 [inline] raw_notifier_call_chain+0xd4/0x164 kernel/notifier.c:455 call_netdevice_notifiers_info net/core/dev.c:2001 [inline] call_netdevice_notifiers_extack net/core/dev.c:2039 [inline] call_netdevice_notifiers net/core/dev.c:2053 [inline] unregister_netdevice_many+0xe2c/0x1740 net/core/dev.c:10990 unregister_netdevice_queue+0x2ac/0x2f8 net/core/dev.c:10921 unregister_netdevice include/linux/netdevice.h:3075 [inline] ser_release+0x16c/0x1ec drivers/net/caif/caif_serial.c:310 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 process_scheduled_works kernel/workqueue.c:2355 [inline] worker_thread+0xb30/0xfbc kernel/workqueue.c:2441 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 The buggy address belongs to the object at ffff0000df450000 which belongs to the cache kmalloc-cg-2k of size 2048 The buggy address is located 24 bytes inside of 2048-byte region [ffff0000df450000, ffff0000df450800) The buggy address belongs to the physical page: page:00000000e0baf2ed refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11f450 head:00000000e0baf2ed order:3 compound_mapcount:0 compound_pincount:0 memcg:ffff0000f15d1c01 flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff) raw: 05ffc00000010200 fffffc000325ca00 dead000000000002 ffff0000c0003380 raw: 0000000000000000 0000000000080008 00000001ffffffff ffff0000f15d1c01 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000df44ff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff0000df44ff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff0000df450000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff0000df450080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff0000df450100: 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 e0f1207c80000200 KASAN: maybe wild-memory-access in range [0x078d03e400001000-0x078d03e400001007] 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 CM = 0, WnR = 0 [e0f1207c80000200] address between user and kernel address ranges Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 2062 Comm: aoe_tx0 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : get_work_pool+0xf8/0x198 kernel/workqueue.c:739 lr : work_struct_pwq kernel/workqueue.c:703 [inline] lr : get_work_pool+0xf0/0x198 kernel/workqueue.c:739 sp : ffff800027187700 x29: ffff800027187700 x28: 0000000000000000 x27: 0000000000000008 x26: ffff0000ee8ee820 x25: dfff800000000000 x24: ffff0000c0038000 x23: ffff0000c00291c0 x22: ffff00019f6cac40 x21: 078d03e400001157 x20: dfff800000000000 x19: 078d03e400001000 x18: ffff800011abbcc0 x17: 0000000000000000 x16: ffff800008042d90 x15: 0000000000000000 x14: 00000000ffff8000 x13: 0000000000000000 x12: 0000000000ff0100 x11: ff008000081f95a8 x10: 0000000000000000 x9 : ffff8000081f95a8 x8 : 00f1a07c80000200 x7 : 0010a28800000000 x6 : ffff8000082055e0 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000081f94fc x2 : 0000000000000000 x1 : 0000000000000004 x0 : 0000000000000000 Call trace: get_work_pool+0xf8/0x198 kernel/workqueue.c:739 __queue_work+0x4b8/0x123c kernel/workqueue.c:1461 queue_work_on+0xc0/0x16c kernel/workqueue.c:1548 queue_work include/linux/workqueue.h:512 [inline] tty_insert_flip_string_and_push_buffer+0x2bc/0x308 drivers/tty/tty_buffer.c:634 pty_write+0xac/0xe4 drivers/tty/pty.c:118 handle_tx+0x1ec/0x5f8 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:4896 [inline] netdev_start_xmit include/linux/netdevice.h:4910 [inline] xmit_one net/core/dev.c:3670 [inline] dev_hard_start_xmit+0x244/0x8e0 net/core/dev.c:3686 __dev_queue_xmit+0x155c/0x309c net/core/dev.c:4346 dev_queue_xmit include/linux/netdevice.h:3051 [inline] tx+0x9c/0x1c8 drivers/block/aoe/aoenet.c:63 kthread+0x160/0x330 drivers/block/aoe/aoecmd.c:1241 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 Code: 1400000f 940aa1b7 9277dab3 d343fe68 (38746908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 1400000f b 0x3c 4: 940aa1b7 bl 0x2a86e0 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: use-after-free in tty_write_room+0x3c/0x8c drivers/tty/tty_ioctl.c:79 Read of size 8 at addr ffff0000df450018 by task aoe_tx0/2062 CPU: 0 PID: 2062 Comm: aoe_tx0 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack+0x30/0x40 lib/dump_stack.c:88 dump_stack_lvl+0xf8/0x160 lib/dump_stack.c:106 print_address_description+0x88/0x218 mm/kasan/report.c:316 print_report+0x50/0x68 mm/kasan/report.c:420 kasan_report+0xa8/0x100 mm/kasan/report.c:524 __asan_report_load8_noabort+0x2c/0x38 mm/kasan/report_generic.c:351 tty_write_room+0x3c/0x8c drivers/tty/tty_ioctl.c:79 handle_tx+0x120/0x5f8 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:4896 [inline] netdev_start_xmit include/linux/netdevice.h:4910 [inline] xmit_one net/core/dev.c:3670 [inline] dev_hard_start_xmit+0x244/0x8e0 net/core/dev.c:3686 __dev_queue_xmit+0x155c/0x309c net/core/dev.c:4346 dev_queue_xmit include/linux/netdevice.h:3051 [inline] tx+0x9c/0x1c8 drivers/block/aoe/aoenet.c:63 kthread+0x160/0x330 drivers/block/aoe/aoecmd.c:1241 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 Allocated by task 28738: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4c/0x80 mm/kasan/common.c:52 kasan_save_alloc_info+0x28/0x34 mm/kasan/generic.c:505 ____kasan_kmalloc mm/kasan/common.c:374 [inline] __kasan_kmalloc+0xa0/0xb8 mm/kasan/common.c:383 kasan_kmalloc include/linux/kasan.h:211 [inline] kmalloc_trace+0x7c/0x94 mm/slab_common.c:1031 kmalloc include/linux/slab.h:563 [inline] kzalloc include/linux/slab.h:699 [inline] alloc_tty_struct+0xb8/0x654 drivers/tty/tty_io.c:3089 tty_init_dev+0x60/0x3e8 drivers/tty/tty_io.c:1408 ptmx_open+0xfc/0x2d0 drivers/tty/pty.c:824 chrdev_open+0x26c/0x4f0 fs/char_dev.c:414 do_dentry_open+0x730/0xfa8 fs/open.c:882 vfs_open+0x7c/0x90 fs/open.c:1013 do_open fs/namei.c:3634 [inline] path_openat+0x1f48/0x2680 fs/namei.c:3791 do_filp_open+0x174/0x344 fs/namei.c:3818 do_sys_openat2+0x128/0x3d8 fs/open.c:1318 do_sys_open fs/open.c:1334 [inline] __do_sys_openat fs/open.c:1350 [inline] __se_sys_openat fs/open.c:1345 [inline] __arm64_sys_openat+0x120/0x154 fs/open.c:1345 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2bc arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x58/0x13c arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x138 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Freed by task 4438: kasan_save_stack mm/kasan/common.c:45 [inline] kasan_set_track+0x4c/0x80 mm/kasan/common.c:52 kasan_save_free_info+0x3c/0x60 mm/kasan/generic.c:516 ____kasan_slab_free+0x148/0x1b0 mm/kasan/common.c:236 __kasan_slab_free+0x18/0x28 mm/kasan/common.c:244 kasan_slab_free include/linux/kasan.h:177 [inline] slab_free_hook mm/slub.c:1729 [inline] slab_free_freelist_hook+0x16c/0x1ec mm/slub.c:1755 slab_free mm/slub.c:3687 [inline] __kmem_cache_free+0xc0/0x224 mm/slub.c:3700 kfree+0xd0/0x1ac mm/slab_common.c:988 free_tty_struct drivers/tty/tty_io.c:173 [inline] release_one_tty+0x21c/0x238 drivers/tty/tty_io.c:1541 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 worker_thread+0x8c8/0xfbc kernel/workqueue.c:2439 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 Last potentially related work creation: kasan_save_stack+0x40/0x70 mm/kasan/common.c:45 __kasan_record_aux_stack+0xc0/0xdc mm/kasan/generic.c:486 kasan_record_aux_stack_noalloc+0x14/0x20 mm/kasan/generic.c:496 insert_work+0x64/0x37c kernel/workqueue.c:1361 __queue_work+0xcbc/0x123c kernel/workqueue.c:1520 queue_work_on+0xc0/0x16c kernel/workqueue.c:1548 queue_work include/linux/workqueue.h:512 [inline] schedule_work include/linux/workqueue.h:573 [inline] queue_release_one_tty drivers/tty/tty_io.c:1552 [inline] kref_put include/linux/kref.h:65 [inline] tty_kref_put+0x144/0x1b8 drivers/tty/tty_io.c:1565 release_tty+0x3e8/0x4a4 drivers/tty/tty_io.c:1601 tty_release_struct+0xb4/0xd4 drivers/tty/tty_io.c:1700 tty_release+0xa0c/0x1208 drivers/tty/tty_io.c:1860 __fput+0x1bc/0x7c0 fs/file_table.c:320 ____fput+0x20/0x30 fs/file_table.c:348 task_work_run+0x1ec/0x270 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] do_notify_resume+0x2038/0x2b28 arch/arm64/kernel/signal.c:1137 prepare_exit_to_user_mode arch/arm64/kernel/entry-common.c:137 [inline] exit_to_user_mode arch/arm64/kernel/entry-common.c:142 [inline] el0_svc+0x98/0x138 arch/arm64/kernel/entry-common.c:638 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Second to last potentially related work creation: kasan_save_stack+0x40/0x70 mm/kasan/common.c:45 __kasan_record_aux_stack+0xc0/0xdc mm/kasan/generic.c:486 kasan_record_aux_stack_noalloc+0x14/0x20 mm/kasan/generic.c:496 call_rcu+0x100/0x954 kernel/rcu/tree.c:2849 in6_dev_finish_destroy+0x158/0x1d8 net/ipv6/addrconf_core.c:278 in6_dev_put include/net/addrconf.h:388 [inline] addrconf_ifdown+0x1354/0x15dc net/ipv6/addrconf.c:3954 addrconf_notify+0x2f4/0xca8 net/ipv6/addrconf.c:-1 notifier_call_chain kernel/notifier.c:87 [inline] raw_notifier_call_chain+0xd4/0x164 kernel/notifier.c:455 call_netdevice_notifiers_info net/core/dev.c:2001 [inline] call_netdevice_notifiers_extack net/core/dev.c:2039 [inline] call_netdevice_notifiers net/core/dev.c:2053 [inline] unregister_netdevice_many+0xe2c/0x1740 net/core/dev.c:10990 unregister_netdevice_queue+0x2ac/0x2f8 net/core/dev.c:10921 unregister_netdevice include/linux/netdevice.h:3075 [inline] ser_release+0x16c/0x1ec drivers/net/caif/caif_serial.c:310 process_one_work+0x7f4/0x13a8 kernel/workqueue.c:2292 process_scheduled_works kernel/workqueue.c:2355 [inline] worker_thread+0xb30/0xfbc kernel/workqueue.c:2441 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 The buggy address belongs to the object at ffff0000df450000 which belongs to the cache kmalloc-cg-2k of size 2048 The buggy address is located 24 bytes inside of 2048-byte region [ffff0000df450000, ffff0000df450800) The buggy address belongs to the physical page: page:00000000e0baf2ed refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11f450 head:00000000e0baf2ed order:3 compound_mapcount:0 compound_pincount:0 memcg:ffff0000f15d1c01 flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff) raw: 05ffc00000010200 fffffc000325ca00 dead000000000002 ffff0000c0003380 raw: 0000000000000000 0000000000080008 00000001ffffffff ffff0000f15d1c01 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff0000df44ff00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff0000df44ff80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff0000df450000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff0000df450080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff0000df450100: 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 e0f1207c80000200 KASAN: maybe wild-memory-access in range [0x078d03e400001000-0x078d03e400001007] 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 CM = 0, WnR = 0 [e0f1207c80000200] address between user and kernel address ranges Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 2062 Comm: aoe_tx0 Tainted: G B syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025 pstate: 824000c5 (Nzcv daIF +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : get_work_pool+0xf8/0x198 kernel/workqueue.c:739 lr : work_struct_pwq kernel/workqueue.c:703 [inline] lr : get_work_pool+0xf0/0x198 kernel/workqueue.c:739 sp : ffff800027187700 x29: ffff800027187700 x28: 0000000000000000 x27: 0000000000000008 x26: ffff0000ee8ee820 x25: dfff800000000000 x24: ffff0000c0038000 x23: ffff0000c00291c0 x22: ffff00019f6cac40 x21: 078d03e400001157 x20: dfff800000000000 x19: 078d03e400001000 x18: ffff800011abbcc0 x17: 0000000000000000 x16: ffff800008042d90 x15: 0000000000000000 x14: 00000000ffff8000 x13: 0000000000000000 x12: 0000000000ff0100 x11: ff008000081f95a8 x10: 0000000000000000 x9 : ffff8000081f95a8 x8 : 00f1a07c80000200 x7 : 0010a28800000000 x6 : ffff8000082055e0 x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000081f94fc x2 : 0000000000000000 x1 : 0000000000000004 x0 : 0000000000000000 Call trace: get_work_pool+0xf8/0x198 kernel/workqueue.c:739 __queue_work+0x4b8/0x123c kernel/workqueue.c:1461 queue_work_on+0xc0/0x16c kernel/workqueue.c:1548 queue_work include/linux/workqueue.h:512 [inline] tty_insert_flip_string_and_push_buffer+0x2bc/0x308 drivers/tty/tty_buffer.c:634 pty_write+0xac/0xe4 drivers/tty/pty.c:118 handle_tx+0x1ec/0x5f8 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:4896 [inline] netdev_start_xmit include/linux/netdevice.h:4910 [inline] xmit_one net/core/dev.c:3670 [inline] dev_hard_start_xmit+0x244/0x8e0 net/core/dev.c:3686 __dev_queue_xmit+0x155c/0x309c net/core/dev.c:4346 dev_queue_xmit include/linux/netdevice.h:3051 [inline] tx+0x9c/0x1c8 drivers/block/aoe/aoenet.c:63 kthread+0x160/0x330 drivers/block/aoe/aoecmd.c:1241 kthread+0x250/0x2d8 kernel/kthread.c:376 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:850 Code: 1400000f 940aa1b7 9277dab3 d343fe68 (38746908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 1400000f b 0x3c 4: 940aa1b7 bl 0x2a86e0 8: 9277dab3 and x19, x21, #0xfffffffffffffe00 c: d343fe68 lsr x8, x19, #3 * 10: 38746908 ldrb w8, [x8, x20] <-- trapping instruction