Extracting prog: 2m12.499804396s Minimizing prog: 26m28.155917127s Simplifying prog options: 0s Extracting C: 34.200420264s Simplifying C: 8m6.806827649s extracting reproducer from 42 programs first checking the prog from the crash report single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000001340)=@newqdisc={0x48, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_htb={{0x8}, {0x1c, 0x2, [@TCA_HTB_INIT={0x18, 0x2, {0x3, 0x1}}]}}]}, 0x48}}, 0x44080) r3 = socket(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f00000001c0)=@newqdisc={0x78, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xf}, {0xa, 0xa}, {0x6}}, [@qdisc_kind_options=@q_sfq={{0x8}, {0x48, 0x2, {{0x7, 0x8, 0x4, 0x0, 0x7}, 0xf0, 0x1, 0x31a, 0x3, 0x88a, 0xd, 0x8e, 0x1f, 0x3, 0xff, {0x4415, 0x2, 0x800, 0x5, 0x0, 0x5}}}}]}, 0x78}}, 0x4000) program crashed: BUG: unable to handle kernel paging request in htb_qlen_notify single: successfully extracted reproducer found reproducer with 6 syscalls minimizing guilty program testing program (duration=45.453305727s, {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-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000001340)=@newqdisc={0x48, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_htb={{0x8}, {0x1c, 0x2, [@TCA_HTB_INIT={0x18, 0x2, {0x3, 0x1}}]}}]}, 0x48}}, 0x44080) socket(0x10, 0x3, 0x0) program did not crash testing program (duration=45.453305727s, {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-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000001340)=@newqdisc={0x48, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_htb={{0x8}, {0x1c, 0x2, [@TCA_HTB_INIT={0x18, 0x2, {0x3, 0x1}}]}}]}, 0x48}}, 0x44080) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f00000001c0)=@newqdisc={0x78, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xf}, {0xa, 0xa}, {0x6}}, [@qdisc_kind_options=@q_sfq={{0x8}, {0x48, 0x2, {{0x7, 0x8, 0x4, 0x0, 0x7}, 0xf0, 0x1, 0x31a, 0x3, 0x88a, 0xd, 0x8e, 0x1f, 0x3, 0xff, {0x4415, 0x2, 0x800, 0x5, 0x0, 0x5}}}}]}, 0x78}}, 0x4000) program did not crash testing program (duration=45.453305727s, {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-socketpair$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched detailed listing: executing program 0: socket(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) r2 = socket(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f00000001c0)=@newqdisc={0x78, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r1, {0x0, 0xf}, {0xa, 0xa}, {0x6}}, [@qdisc_kind_options=@q_sfq={{0x8}, {0x48, 0x2, {{0x7, 0x8, 0x4, 0x0, 0x7}, 0xf0, 0x1, 0x31a, 0x3, 0x88a, 0xd, 0x8e, 0x1f, 0x3, 0xff, {0x4415, 0x2, 0x800, 0x5, 0x0, 0x5}}}}]}, 0x78}}, 0x4000) program did not crash testing program (duration=45.453305727s, {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-socketpair$unix-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)) sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000001340)=@newqdisc={0x48, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, 0x0, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_htb={{0x8}, {0x1c, 0x2, [@TCA_HTB_INIT={0x18, 0x2, {0x3, 0x1}}]}}]}, 0x48}}, 0x44080) r1 = socket(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f00000001c0)=@newqdisc={0x78, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, 0x0, {0x0, 0xf}, {0xa, 0xa}, {0x6}}, [@qdisc_kind_options=@q_sfq={{0x8}, {0x48, 0x2, {{0x7, 0x8, 0x4, 0x0, 0x7}, 0xf0, 0x1, 0x31a, 0x3, 0x88a, 0xd, 0x8e, 0x1f, 0x3, 0xff, {0x4415, 0x2, 0x800, 0x5, 0x0, 0x5}}}}]}, 0x78}}, 0x4000) program did not crash testing program (duration=45.453305727s, {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-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000001340)=@newqdisc={0x48, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r1, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_htb={{0x8}, {0x1c, 0x2, [@TCA_HTB_INIT={0x18, 0x2, {0x3, 0x1}}]}}]}, 0x48}}, 0x44080) r2 = socket(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f00000001c0)=@newqdisc={0x78, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r1, {0x0, 0xf}, {0xa, 0xa}, {0x6}}, [@qdisc_kind_options=@q_sfq={{0x8}, {0x48, 0x2, {{0x7, 0x8, 0x4, 0x0, 0x7}, 0xf0, 0x1, 0x31a, 0x3, 0x88a, 0xd, 0x8e, 0x1f, 0x3, 0xff, {0x4415, 0x2, 0x800, 0x5, 0x0, 0x5}}}}]}, 0x78}}, 0x4000) program did not crash testing program (duration=45.453305727s, {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}}): socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched detailed listing: executing program 0: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000001340)=@newqdisc={0x48, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r1, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_htb={{0x8}, {0x1c, 0x2, [@TCA_HTB_INIT={0x18, 0x2, {0x3, 0x1}}]}}]}, 0x48}}, 0x44080) r2 = socket(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f00000001c0)=@newqdisc={0x78, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r1, {0x0, 0xf}, {0xa, 0xa}, {0x6}}, [@qdisc_kind_options=@q_sfq={{0x8}, {0x48, 0x2, {{0x7, 0x8, 0x4, 0x0, 0x7}, 0xf0, 0x1, 0x31a, 0x3, 0x88a, 0xd, 0x8e, 0x1f, 0x3, 0xff, {0x4415, 0x2, 0x800, 0x5, 0x0, 0x5}}}}]}, 0x78}}, 0x4000) program did not crash testing program (duration=45.453305727s, {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-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, 0x0) ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000001340)=@newqdisc={0x48, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r1, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_htb={{0x8}, {0x1c, 0x2, [@TCA_HTB_INIT={0x18, 0x2, {0x3, 0x1}}]}}]}, 0x48}}, 0x44080) r2 = socket(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f00000001c0)=@newqdisc={0x78, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r1, {0x0, 0xf}, {0xa, 0xa}, {0x6}}, [@qdisc_kind_options=@q_sfq={{0x8}, {0x48, 0x2, {{0x7, 0x8, 0x4, 0x0, 0x7}, 0xf0, 0x1, 0x31a, 0x3, 0x88a, 0xd, 0x8e, 0x1f, 0x3, 0xff, {0x4415, 0x2, 0x800, 0x5, 0x0, 0x5}}}}]}, 0x78}}, 0x4000) program did not crash testing program (duration=45.453305727s, {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-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, 0x0) sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000001340)=@newqdisc={0x48, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, 0x0, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_htb={{0x8}, {0x1c, 0x2, [@TCA_HTB_INIT={0x18, 0x2, {0x3, 0x1}}]}}]}, 0x48}}, 0x44080) r2 = socket(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f00000001c0)=@newqdisc={0x78, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, 0x0, {0x0, 0xf}, {0xa, 0xa}, {0x6}}, [@qdisc_kind_options=@q_sfq={{0x8}, {0x48, 0x2, {{0x7, 0x8, 0x4, 0x0, 0x7}, 0xf0, 0x1, 0x31a, 0x3, 0x88a, 0xd, 0x8e, 0x1f, 0x3, 0xff, {0x4415, 0x2, 0x800, 0x5, 0x0, 0x5}}}}]}, 0x78}}, 0x4000) program did not crash testing program (duration=45.453305727s, {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-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) sendmsg$nl_route_sched(r0, 0x0, 0x44080) r3 = socket(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f00000001c0)=@newqdisc={0x78, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xf}, {0xa, 0xa}, {0x6}}, [@qdisc_kind_options=@q_sfq={{0x8}, {0x48, 0x2, {{0x7, 0x8, 0x4, 0x0, 0x7}, 0xf0, 0x1, 0x31a, 0x3, 0x88a, 0xd, 0x8e, 0x1f, 0x3, 0xff, {0x4415, 0x2, 0x800, 0x5, 0x0, 0x5}}}}]}, 0x78}}, 0x4000) program did not crash testing program (duration=45.453305727s, {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-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, 0x0}, 0x44080) r3 = socket(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f00000001c0)=@newqdisc={0x78, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xf}, {0xa, 0xa}, {0x6}}, [@qdisc_kind_options=@q_sfq={{0x8}, {0x48, 0x2, {{0x7, 0x8, 0x4, 0x0, 0x7}, 0xf0, 0x1, 0x31a, 0x3, 0x88a, 0xd, 0x8e, 0x1f, 0x3, 0xff, {0x4415, 0x2, 0x800, 0x5, 0x0, 0x5}}}}]}, 0x78}}, 0x4000) program did not crash testing program (duration=45.453305727s, {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-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={0x0}}, 0x44080) r3 = socket(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f00000001c0)=@newqdisc={0x78, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xf}, {0xa, 0xa}, {0x6}}, [@qdisc_kind_options=@q_sfq={{0x8}, {0x48, 0x2, {{0x7, 0x8, 0x4, 0x0, 0x7}, 0xf0, 0x1, 0x31a, 0x3, 0x88a, 0xd, 0x8e, 0x1f, 0x3, 0xff, {0x4415, 0x2, 0x800, 0x5, 0x0, 0x5}}}}]}, 0x78}}, 0x4000) program did not crash testing program (duration=45.453305727s, {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-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000001340)=@newqdisc={0x48, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_htb={{0x8}, {0x1c, 0x2, [@TCA_HTB_INIT={0x18, 0x2, {0x3, 0x1}}]}}]}, 0x48}}, 0x44080) r3 = socket(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r3, 0x0, 0x4000) program did not crash testing program (duration=45.453305727s, {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-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000001340)=@newqdisc={0x48, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_htb={{0x8}, {0x1c, 0x2, [@TCA_HTB_INIT={0x18, 0x2, {0x3, 0x1}}]}}]}, 0x48}}, 0x44080) r3 = socket(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r3, &(0x7f0000000040)={0x0, 0x0, 0x0}, 0x4000) program did not crash testing program (duration=45.453305727s, {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-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000001340)=@newqdisc={0x48, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_htb={{0x8}, {0x1c, 0x2, [@TCA_HTB_INIT={0x18, 0x2, {0x3, 0x1}}]}}]}, 0x48}}, 0x44080) r3 = socket(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={0x0}}, 0x4000) program did not crash extracting C reproducer testing compiled C program (duration=45.453305727s, {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-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched program crashed: BUG: unable to handle kernel paging request in htb_qlen_notify simplifying C reproducer testing compiled C program (duration=45.453305727s, {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}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched program crashed: BUG: unable to handle kernel paging request in htb_qlen_notify testing compiled C program (duration=45.453305727s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched program crashed: BUG: unable to handle kernel paging request in htb_qlen_notify testing compiled C program (duration=45.453305727s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched program crashed: BUG: unable to handle kernel paging request in htb_qlen_notify testing compiled C program (duration=45.453305727s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched program crashed: BUG: unable to handle kernel paging request in htb_qlen_notify testing compiled C program (duration=45.453305727s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched program crashed: BUG: unable to handle kernel paging request in htb_qlen_notify testing compiled C program (duration=45.453305727s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched program crashed: BUG: unable to handle kernel paging request in htb_qlen_notify testing compiled C program (duration=45.453305727s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched program crashed: BUG: unable to handle kernel paging request in htb_qlen_notify testing program (duration=45.453305727s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000001340)=@newqdisc={0x48, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_htb={{0x8}, {0x1c, 0x2, [@TCA_HTB_INIT={0x18, 0x2, {0x3, 0x1}}]}}]}, 0x48}}, 0x44080) r3 = socket(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f00000001c0)=@newqdisc={0x78, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xf}, {0xa, 0xa}, {0x6}}, [@qdisc_kind_options=@q_sfq={{0x8}, {0x48, 0x2, {{0x7, 0x8, 0x4, 0x0, 0x7}, 0xf0, 0x1, 0x31a, 0x3, 0x88a, 0xd, 0x8e, 0x1f, 0x3, 0xff, {0x4415, 0x2, 0x800, 0x5, 0x0, 0x5}}}}]}, 0x78}}, 0x4000) program crashed: BUG: unable to handle kernel paging request in htb_qlen_notify validation run: crashed=true testing program (duration=45.453305727s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000001340)=@newqdisc={0x48, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_htb={{0x8}, {0x1c, 0x2, [@TCA_HTB_INIT={0x18, 0x2, {0x3, 0x1}}]}}]}, 0x48}}, 0x44080) r3 = socket(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f00000001c0)=@newqdisc={0x78, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xf}, {0xa, 0xa}, {0x6}}, [@qdisc_kind_options=@q_sfq={{0x8}, {0x48, 0x2, {{0x7, 0x8, 0x4, 0x0, 0x7}, 0xf0, 0x1, 0x31a, 0x3, 0x88a, 0xd, 0x8e, 0x1f, 0x3, 0xff, {0x4415, 0x2, 0x800, 0x5, 0x0, 0x5}}}}]}, 0x78}}, 0x4000) program crashed: BUG: unable to handle kernel paging request in htb_qlen_notify validation run: crashed=true testing program (duration=45.453305727s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socketpair$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket(0x10, 0x3, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000240)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'lo\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000001340)=@newqdisc={0x48, 0x24, 0xd0f, 0x70bd2d, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xa}, {0xffff, 0xffff}, {0x0, 0xffff}}, [@qdisc_kind_options=@q_htb={{0x8}, {0x1c, 0x2, [@TCA_HTB_INIT={0x18, 0x2, {0x3, 0x1}}]}}]}, 0x48}}, 0x44080) r3 = socket(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000780)={&(0x7f00000001c0)=@newqdisc={0x78, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r2, {0x0, 0xf}, {0xa, 0xa}, {0x6}}, [@qdisc_kind_options=@q_sfq={{0x8}, {0x48, 0x2, {{0x7, 0x8, 0x4, 0x0, 0x7}, 0xf0, 0x1, 0x31a, 0x3, 0x88a, 0xd, 0x8e, 0x1f, 0x3, 0xff, {0x4415, 0x2, 0x800, 0x5, 0x0, 0x5}}}}]}, 0x78}}, 0x4000) program crashed: BUG: unable to handle kernel paging request in htb_qlen_notify validation run: crashed=true reproducing took 42m9.458359912s repro crashed as (corrupted=false): netlink: 4 bytes leftover after parsing attributes in process `syz.0.16'. Unable to handle kernel paging request at virtual address dfff800000000036 Mem abort info: ESR = 0x0000000096000006 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x06: level 2 translation fault Data abort info: ISV = 0, ISS = 0x00000006 CM = 0, WnR = 0 [dfff800000000036] address between user and kernel address ranges Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 4186 Comm: syz.0.16 Not tainted 5.15.187-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : htb_deactivate net/sched/sch_htb.c:609 [inline] pc : htb_qlen_notify+0x3c/0xc8 net/sched/sch_htb.c:1507 lr : htb_qlen_notify+0x2c/0xc8 net/sched/sch_htb.c:1504 sp : ffff80001f9d6da0 x29: ffff80001f9d6da0 x28: 1ffff000025a8aa8 x27: dfff800000000000 x26: 0000000000000000 x25: ffff800012d45548 x24: 0000000000000036 x23: dfff800000000000 x22: ffff8000162edce0 x21: ffff0000d74b0000 x20: 0000000000000000 x19: 00000000000001b0 x18: 0000000000000201 x17: 0000000000000000 x16: ffff8000082bf708 x15: 00000000ffffffff x14: 0000000000ff0100 x13: ffffffffffffffff x12: 0000000000ff0100 x11: 0000000000000201 x10: 0000000000000000 x9 : 0000000000000003 x8 : ffff0000d193d1c0 x7 : ffff80000f8d3b08 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002 x2 : 0000000000000008 x1 : 0000000000000000 x0 : ffff0000d74b0000 Call trace: htb_deactivate net/sched/sch_htb.c:609 [inline] htb_qlen_notify+0x3c/0xc8 net/sched/sch_htb.c:1507 qdisc_tree_reduce_backlog+0x250/0x410 net/sched/sch_api.c:799 sfq_change net/sched/sch_sfq.c:737 [inline] sfq_init+0x1338/0x1da4 net/sched/sch_sfq.c:801 qdisc_create+0x6e4/0xf24 net/sched/sch_api.c:1260 tc_modify_qdisc+0x8bc/0x1308 net/sched/sch_api.c:-1 rtnetlink_rcv_msg+0x9d4/0xd04 net/core/rtnetlink.c:5650 netlink_rcv_skb+0x208/0x3c4 net/netlink/af_netlink.c:2489 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:5668 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] netlink_unicast+0x60c/0x89c net/netlink/af_netlink.c:1337 netlink_sendmsg+0x6e8/0x9cc net/netlink/af_netlink.c:1905 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x61c/0x920 net/socket.c:2436 ___sys_sendmsg+0x1d0/0x240 net/socket.c:2490 __sys_sendmsg net/socket.c:2519 [inline] __do_sys_sendmsg net/socket.c:2528 [inline] __se_sys_sendmsg net/socket.c:2526 [inline] __arm64_sys_sendmsg+0x1a8/0x254 net/socket.c:2526 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Code: 9106c293 d343fe78 12000a69 11000d29 (38f76b08) ---[ end trace 8309f27fdbe5c677 ]--- ---------------- Code disassembly (best guess): 0: 9106c293 add x19, x20, #0x1b0 4: d343fe78 lsr x24, x19, #3 8: 12000a69 and w9, w19, #0x7 c: 11000d29 add w9, w9, #0x3 * 10: 38f76b08 ldrsb w8, [x24, x23] <-- trapping instruction final repro crashed as (corrupted=false): netlink: 4 bytes leftover after parsing attributes in process `syz.0.16'. Unable to handle kernel paging request at virtual address dfff800000000036 Mem abort info: ESR = 0x0000000096000006 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x06: level 2 translation fault Data abort info: ISV = 0, ISS = 0x00000006 CM = 0, WnR = 0 [dfff800000000036] address between user and kernel address ranges Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 4186 Comm: syz.0.16 Not tainted 5.15.187-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : htb_deactivate net/sched/sch_htb.c:609 [inline] pc : htb_qlen_notify+0x3c/0xc8 net/sched/sch_htb.c:1507 lr : htb_qlen_notify+0x2c/0xc8 net/sched/sch_htb.c:1504 sp : ffff80001f9d6da0 x29: ffff80001f9d6da0 x28: 1ffff000025a8aa8 x27: dfff800000000000 x26: 0000000000000000 x25: ffff800012d45548 x24: 0000000000000036 x23: dfff800000000000 x22: ffff8000162edce0 x21: ffff0000d74b0000 x20: 0000000000000000 x19: 00000000000001b0 x18: 0000000000000201 x17: 0000000000000000 x16: ffff8000082bf708 x15: 00000000ffffffff x14: 0000000000ff0100 x13: ffffffffffffffff x12: 0000000000ff0100 x11: 0000000000000201 x10: 0000000000000000 x9 : 0000000000000003 x8 : ffff0000d193d1c0 x7 : ffff80000f8d3b08 x6 : 0000000000000000 x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002 x2 : 0000000000000008 x1 : 0000000000000000 x0 : ffff0000d74b0000 Call trace: htb_deactivate net/sched/sch_htb.c:609 [inline] htb_qlen_notify+0x3c/0xc8 net/sched/sch_htb.c:1507 qdisc_tree_reduce_backlog+0x250/0x410 net/sched/sch_api.c:799 sfq_change net/sched/sch_sfq.c:737 [inline] sfq_init+0x1338/0x1da4 net/sched/sch_sfq.c:801 qdisc_create+0x6e4/0xf24 net/sched/sch_api.c:1260 tc_modify_qdisc+0x8bc/0x1308 net/sched/sch_api.c:-1 rtnetlink_rcv_msg+0x9d4/0xd04 net/core/rtnetlink.c:5650 netlink_rcv_skb+0x208/0x3c4 net/netlink/af_netlink.c:2489 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:5668 netlink_unicast_kernel net/netlink/af_netlink.c:1311 [inline] netlink_unicast+0x60c/0x89c net/netlink/af_netlink.c:1337 netlink_sendmsg+0x6e8/0x9cc net/netlink/af_netlink.c:1905 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] ____sys_sendmsg+0x61c/0x920 net/socket.c:2436 ___sys_sendmsg+0x1d0/0x240 net/socket.c:2490 __sys_sendmsg net/socket.c:2519 [inline] __do_sys_sendmsg net/socket.c:2528 [inline] __se_sys_sendmsg net/socket.c:2526 [inline] __arm64_sys_sendmsg+0x1a8/0x254 net/socket.c:2526 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584 Code: 9106c293 d343fe78 12000a69 11000d29 (38f76b08) ---[ end trace 8309f27fdbe5c677 ]--- ---------------- Code disassembly (best guess): 0: 9106c293 add x19, x20, #0x1b0 4: d343fe78 lsr x24, x19, #3 8: 12000a69 and w9, w19, #0x7 c: 11000d29 add w9, w9, #0x3 * 10: 38f76b08 ldrsb w8, [x24, x23] <-- trapping instruction