Extracting prog: 1m15.877867506s
Minimizing prog: 8m40.14429691s
Simplifying prog options: 0s
Extracting C: 28.000041113s
Simplifying C: 5m54.226785998s


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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x400000000010, 0x3, 0x0)
r1 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'wg0\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000bc0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000005c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xffffffff, {0x0, 0x0, 0x0, r2, {0x0, 0xfff1}, {0xffff, 0xffff}, {0x0, 0x2}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x0, 0x3}}}]}, 0x38}}, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000600)=@newtfilter={0x8c, 0x2c, 0xd27, 0x70bd26, 0x25dfdc00, {0x0, 0x0, 0x0, r2, {0x2, 0x4}, {}, {0x8, 0xf}}, [@filter_kind_options=@f_matchall={{0xd}, {0x50, 0x2, [@TCA_MATCHALL_ACT={0x4c, 0x2, [@m_gact={0x48, 0x1, 0x0, 0x0, {{0x9}, {0x1c, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x5, 0x5c2, 0x4, 0x7ff, 0x69}}]}, {0x4, 0x3f}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x3, 0x3}}}}]}]}}, @TCA_RATE={0x6, 0x5, {0x2, 0xf}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x20000010}, 0x20000000)

program crashed: KASAN: slab-out-of-bounds Read in tc_setup_flow_action
program crashed: KASAN: slab-out-of-bounds Read in tc_setup_flow_action
single: successfully extracted reproducer
found reproducer with 5 syscalls
minimizing guilty program
testing program (duration=33.627029925s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x400000000010, 0x3, 0x0)
r1 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'wg0\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000bc0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000005c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xffffffff, {0x0, 0x0, 0x0, r2, {0x0, 0xfff1}, {0xffff, 0xffff}, {0x0, 0x2}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x0, 0x3}}}]}, 0x38}}, 0x0)

program did not crash
testing program (duration=33.627029925s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x400000000010, 0x3, 0x0)
r1 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'wg0\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000600)=@newtfilter={0x8c, 0x2c, 0xd27, 0x70bd26, 0x25dfdc00, {0x0, 0x0, 0x0, r2, {0x2, 0x4}, {}, {0x8, 0xf}}, [@filter_kind_options=@f_matchall={{0xd}, {0x50, 0x2, [@TCA_MATCHALL_ACT={0x4c, 0x2, [@m_gact={0x48, 0x1, 0x0, 0x0, {{0x9}, {0x1c, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x5, 0x5c2, 0x4, 0x7ff, 0x69}}]}, {0x4, 0x3f}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x3, 0x3}}}}]}]}}, @TCA_RATE={0x6, 0x5, {0x2, 0xf}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x20000010}, 0x20000000)

program did not crash
testing program (duration=33.627029925s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$unix-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x400000000010, 0x3, 0x0)
socket$unix(0x1, 0x1, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f0000000bc0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000005c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xffffffff, {0x0, 0x0, 0x0, 0x0, {0x0, 0xfff1}, {0xffff, 0xffff}, {0x0, 0x2}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x0, 0x3}}}]}, 0x38}}, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000600)=@newtfilter={0x8c, 0x2c, 0xd27, 0x70bd26, 0x25dfdc00, {0x0, 0x0, 0x0, 0x0, {0x2, 0x4}, {}, {0x8, 0xf}}, [@filter_kind_options=@f_matchall={{0xd}, {0x50, 0x2, [@TCA_MATCHALL_ACT={0x4c, 0x2, [@m_gact={0x48, 0x1, 0x0, 0x0, {{0x9}, {0x1c, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x5, 0x5c2, 0x4, 0x7ff, 0x69}}]}, {0x4, 0x3f}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x3, 0x3}}}}]}]}}, @TCA_RATE={0x6, 0x5, {0x2, 0xf}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x20000010}, 0x20000000)

program did not crash
testing program (duration=33.627029925s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x400000000010, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'wg0\x00', <r1=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000bc0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000005c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xffffffff, {0x0, 0x0, 0x0, r1, {0x0, 0xfff1}, {0xffff, 0xffff}, {0x0, 0x2}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x0, 0x3}}}]}, 0x38}}, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000600)=@newtfilter={0x8c, 0x2c, 0xd27, 0x70bd26, 0x25dfdc00, {0x0, 0x0, 0x0, r1, {0x2, 0x4}, {}, {0x8, 0xf}}, [@filter_kind_options=@f_matchall={{0xd}, {0x50, 0x2, [@TCA_MATCHALL_ACT={0x4c, 0x2, [@m_gact={0x48, 0x1, 0x0, 0x0, {{0x9}, {0x1c, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x5, 0x5c2, 0x4, 0x7ff, 0x69}}]}, {0x4, 0x3f}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x3, 0x3}}}}]}]}}, @TCA_RATE={0x6, 0x5, {0x2, 0xf}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x20000010}, 0x20000000)

program did not crash
testing program (duration=33.627029925s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000100)={'wg0\x00', <r1=>0x0})
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000bc0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000005c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xffffffff, {0x0, 0x0, 0x0, r1, {0x0, 0xfff1}, {0xffff, 0xffff}, {0x0, 0x2}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x0, 0x3}}}]}, 0x38}}, 0x0)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000600)=@newtfilter={0x8c, 0x2c, 0xd27, 0x70bd26, 0x25dfdc00, {0x0, 0x0, 0x0, r1, {0x2, 0x4}, {}, {0x8, 0xf}}, [@filter_kind_options=@f_matchall={{0xd}, {0x50, 0x2, [@TCA_MATCHALL_ACT={0x4c, 0x2, [@m_gact={0x48, 0x1, 0x0, 0x0, {{0x9}, {0x1c, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x5, 0x5c2, 0x4, 0x7ff, 0x69}}]}, {0x4, 0x3f}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x3, 0x3}}}}]}]}}, @TCA_RATE={0x6, 0x5, {0x2, 0xf}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x20000010}, 0x20000000)

program did not crash
testing program (duration=33.627029925s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x400000000010, 0x3, 0x0)
r1 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f0000000bc0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000005c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xffffffff, {0x0, 0x0, 0x0, 0x0, {0x0, 0xfff1}, {0xffff, 0xffff}, {0x0, 0x2}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x0, 0x3}}}]}, 0x38}}, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000600)=@newtfilter={0x8c, 0x2c, 0xd27, 0x70bd26, 0x25dfdc00, {0x0, 0x0, 0x0, 0x0, {0x2, 0x4}, {}, {0x8, 0xf}}, [@filter_kind_options=@f_matchall={{0xd}, {0x50, 0x2, [@TCA_MATCHALL_ACT={0x4c, 0x2, [@m_gact={0x48, 0x1, 0x0, 0x0, {{0x9}, {0x1c, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x5, 0x5c2, 0x4, 0x7ff, 0x69}}]}, {0x4, 0x3f}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x3, 0x3}}}}]}]}}, @TCA_RATE={0x6, 0x5, {0x2, 0xf}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x20000010}, 0x20000000)

program did not crash
testing program (duration=33.627029925s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x400000000010, 0x3, 0x0)
r1 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'wg0\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, 0x0, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000600)=@newtfilter={0x8c, 0x2c, 0xd27, 0x70bd26, 0x25dfdc00, {0x0, 0x0, 0x0, r2, {0x2, 0x4}, {}, {0x8, 0xf}}, [@filter_kind_options=@f_matchall={{0xd}, {0x50, 0x2, [@TCA_MATCHALL_ACT={0x4c, 0x2, [@m_gact={0x48, 0x1, 0x0, 0x0, {{0x9}, {0x1c, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x5, 0x5c2, 0x4, 0x7ff, 0x69}}]}, {0x4, 0x3f}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x3, 0x3}}}}]}]}}, @TCA_RATE={0x6, 0x5, {0x2, 0xf}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x20000010}, 0x20000000)

program did not crash
testing program (duration=33.627029925s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x400000000010, 0x3, 0x0)
r1 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'wg0\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000bc0)={0x0, 0x0, 0x0}, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000600)=@newtfilter={0x8c, 0x2c, 0xd27, 0x70bd26, 0x25dfdc00, {0x0, 0x0, 0x0, r2, {0x2, 0x4}, {}, {0x8, 0xf}}, [@filter_kind_options=@f_matchall={{0xd}, {0x50, 0x2, [@TCA_MATCHALL_ACT={0x4c, 0x2, [@m_gact={0x48, 0x1, 0x0, 0x0, {{0x9}, {0x1c, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x5, 0x5c2, 0x4, 0x7ff, 0x69}}]}, {0x4, 0x3f}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x3, 0x3}}}}]}]}}, @TCA_RATE={0x6, 0x5, {0x2, 0xf}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x20000010}, 0x20000000)

program did not crash
testing program (duration=33.627029925s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x400000000010, 0x3, 0x0)
r1 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'wg0\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000bc0)={0x0, 0x0, &(0x7f0000000080)={0x0}}, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000600)=@newtfilter={0x8c, 0x2c, 0xd27, 0x70bd26, 0x25dfdc00, {0x0, 0x0, 0x0, r2, {0x2, 0x4}, {}, {0x8, 0xf}}, [@filter_kind_options=@f_matchall={{0xd}, {0x50, 0x2, [@TCA_MATCHALL_ACT={0x4c, 0x2, [@m_gact={0x48, 0x1, 0x0, 0x0, {{0x9}, {0x1c, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x5, 0x5c2, 0x4, 0x7ff, 0x69}}]}, {0x4, 0x3f}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x3, 0x3}}}}]}]}}, @TCA_RATE={0x6, 0x5, {0x2, 0xf}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x20000010}, 0x20000000)

program did not crash
testing program (duration=33.627029925s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x400000000010, 0x3, 0x0)
r1 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'wg0\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000bc0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000005c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xffffffff, {0x0, 0x0, 0x0, r2, {0x0, 0xfff1}, {0xffff, 0xffff}, {0x0, 0x2}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x0, 0x3}}}]}, 0x38}}, 0x0)
sendmsg$nl_route_sched(r0, 0x0, 0x20000000)

program did not crash
testing program (duration=33.627029925s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x400000000010, 0x3, 0x0)
r1 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'wg0\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000bc0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000005c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xffffffff, {0x0, 0x0, 0x0, r2, {0x0, 0xfff1}, {0xffff, 0xffff}, {0x0, 0x2}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x0, 0x3}}}]}, 0x38}}, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x20000010}, 0x20000000)

program did not crash
testing program (duration=33.627029925s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x400000000010, 0x3, 0x0)
r1 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'wg0\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000bc0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000005c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xffffffff, {0x0, 0x0, 0x0, r2, {0x0, 0xfff1}, {0xffff, 0xffff}, {0x0, 0x2}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x0, 0x3}}}]}, 0x38}}, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x1, 0x0, 0x0, 0x20000010}, 0x20000000)

program did not crash
extracting C reproducer
testing compiled C program (duration=33.627029925s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
program crashed: KASAN: slab-out-of-bounds Read in tc_setup_flow_action
simplifying C reproducer
testing compiled C program (duration=33.627029925s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
program crashed: KASAN: slab-out-of-bounds Read in tc_setup_flow_action
testing compiled C program (duration=33.627029925s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
program crashed: KASAN: slab-out-of-bounds Read in tc_setup_flow_action
testing compiled C program (duration=33.627029925s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
program did not crash
testing compiled C program (duration=33.627029925s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
program crashed: KASAN: slab-out-of-bounds Read in tc_setup_flow_action
testing compiled C program (duration=33.627029925s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
program did not crash
testing compiled C program (duration=33.627029925s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
program crashed: KASAN: slab-out-of-bounds Read in tc_setup_flow_action
testing compiled C program (duration=33.627029925s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
program crashed: KASAN: slab-out-of-bounds Read in tc_setup_flow_action
testing compiled C program (duration=33.627029925s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true 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:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
program crashed: KASAN: slab-out-of-bounds Read in tc_setup_flow_action
testing compiled C program (duration=33.627029925s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true 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:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
program crashed: KASAN: slab-out-of-bounds Read in tc_setup_flow_action
testing compiled C program (duration=33.627029925s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true 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:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
program crashed: KASAN: slab-out-of-bounds Read in tc_setup_flow_action
testing compiled C program (duration=33.627029925s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true 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:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
program crashed: KASAN: slab-out-of-bounds Read in tc_setup_flow_action
testing compiled C program (duration=33.627029925s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
program crashed: KASAN: slab-out-of-bounds Read in tc_setup_flow_action
testing program (duration=33.627029925s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x400000000010, 0x3, 0x0)
r1 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'wg0\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000bc0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000005c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xffffffff, {0x0, 0x0, 0x0, r2, {0x0, 0xfff1}, {0xffff, 0xffff}, {0x0, 0x2}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x0, 0x3}}}]}, 0x38}}, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000600)=@newtfilter={0x8c, 0x2c, 0xd27, 0x70bd26, 0x25dfdc00, {0x0, 0x0, 0x0, r2, {0x2, 0x4}, {}, {0x8, 0xf}}, [@filter_kind_options=@f_matchall={{0xd}, {0x50, 0x2, [@TCA_MATCHALL_ACT={0x4c, 0x2, [@m_gact={0x48, 0x1, 0x0, 0x0, {{0x9}, {0x1c, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x5, 0x5c2, 0x4, 0x7ff, 0x69}}]}, {0x4, 0x3f}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x3, 0x3}}}}]}]}}, @TCA_RATE={0x6, 0x5, {0x2, 0xf}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x20000010}, 0x20000000)

program crashed: KASAN: slab-out-of-bounds Read in tc_setup_flow_action
validation run: crashed=true
testing program (duration=33.627029925s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x400000000010, 0x3, 0x0)
r1 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'wg0\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000bc0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000005c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xffffffff, {0x0, 0x0, 0x0, r2, {0x0, 0xfff1}, {0xffff, 0xffff}, {0x0, 0x2}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x0, 0x3}}}]}, 0x38}}, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000600)=@newtfilter={0x8c, 0x2c, 0xd27, 0x70bd26, 0x25dfdc00, {0x0, 0x0, 0x0, r2, {0x2, 0x4}, {}, {0x8, 0xf}}, [@filter_kind_options=@f_matchall={{0xd}, {0x50, 0x2, [@TCA_MATCHALL_ACT={0x4c, 0x2, [@m_gact={0x48, 0x1, 0x0, 0x0, {{0x9}, {0x1c, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x5, 0x5c2, 0x4, 0x7ff, 0x69}}]}, {0x4, 0x3f}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x3, 0x3}}}}]}]}}, @TCA_RATE={0x6, 0x5, {0x2, 0xf}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x20000010}, 0x20000000)

program crashed: KASAN: slab-out-of-bounds Read in tc_setup_flow_action
validation run: crashed=true
testing program (duration=33.627029925s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x400000000010, 0x3, 0x0)
r1 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'wg0\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000bc0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000005c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xffffffff, {0x0, 0x0, 0x0, r2, {0x0, 0xfff1}, {0xffff, 0xffff}, {0x0, 0x2}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x0, 0x3}}}]}, 0x38}}, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000600)=@newtfilter={0x8c, 0x2c, 0xd27, 0x70bd26, 0x25dfdc00, {0x0, 0x0, 0x0, r2, {0x2, 0x4}, {}, {0x8, 0xf}}, [@filter_kind_options=@f_matchall={{0xd}, {0x50, 0x2, [@TCA_MATCHALL_ACT={0x4c, 0x2, [@m_gact={0x48, 0x1, 0x0, 0x0, {{0x9}, {0x1c, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x5, 0x5c2, 0x4, 0x7ff, 0x69}}]}, {0x4, 0x3f}, {0xc, 0x7, {0x0, 0x1}}, {0xc, 0x8, {0x3, 0x3}}}}]}]}}, @TCA_RATE={0x6, 0x5, {0x2, 0xf}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x20000010}, 0x20000000)

program crashed: KASAN: slab-out-of-bounds Read in tc_setup_flow_action
validation run: crashed=true
reproducing took 17m59.278108328s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-out-of-bounds in is_tcf_tunnel_set include/net/tc_act/tc_tunnel_key.h:33 [inline]
BUG: KASAN: slab-out-of-bounds in tc_setup_flow_action+0x88e/0x3200 net/sched/cls_api.c:3633
Read of size 8 at addr ffff88811dffe1c0 by task syz.2.17/373

CPU: 1 PID: 373 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:427 [inline]
 kasan_report+0x10f/0x150 mm/kasan/report.c:444
 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report_generic.c:309
 is_tcf_tunnel_set include/net/tc_act/tc_tunnel_key.h:33 [inline]
 tc_setup_flow_action+0x88e/0x3200 net/sched/cls_api.c:3633
 mall_replace_hw_filter+0x2db/0x8d0 net/sched/cls_matchall.c:100
 mall_change+0x544/0x760 net/sched/cls_matchall.c:235
 tc_new_tfilter+0x13df/0x1990 net/sched/cls_api.c:2138
 rtnetlink_rcv_msg+0x83c/0xcb0 net/core/rtnetlink.c:5644
 netlink_rcv_skb+0x1e9/0x430 net/netlink/af_netlink.c:2511
 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:5671
 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
 netlink_unicast+0x86c/0xa30 net/netlink/af_netlink.c:1348
 netlink_sendmsg+0x879/0xb80 net/netlink/af_netlink.c:1922
 sock_sendmsg_nosec net/socket.c:704 [inline]
 __sock_sendmsg net/socket.c:716 [inline]
 ____sys_sendmsg+0x5be/0x8f0 net/socket.c:2435
 ___sys_sendmsg+0x236/0x2e0 net/socket.c:2489
 __sys_sendmsg net/socket.c:2518 [inline]
 __do_sys_sendmsg net/socket.c:2527 [inline]
 __se_sys_sendmsg net/socket.c:2525 [inline]
 __x64_sys_sendmsg+0x201/0x2d0 net/socket.c:2525
 x64_sys_call+0x4b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:47
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7efd8e5dde59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fffa5c4f978 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007efd8e856fa0 RCX: 00007efd8e5dde59
RDX: 0000000020000000 RSI: 0000200000000040 RDI: 0000000000000003
RBP: 00007efd8e673e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007efd8e856fac R14: 00007efd8e856fa0 R15: 00007efd8e856fa0
 </TASK>

Allocated by task 373:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:433 [inline]
 ____kasan_kmalloc mm/kasan/common.c:512 [inline]
 __kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:521
 kasan_kmalloc include/linux/kasan.h:227 [inline]
 __kmalloc+0x13d/0x2c0 mm/slub.c:4436
 kmalloc include/linux/slab.h:624 [inline]
 kzalloc include/linux/slab.h:750 [inline]
 tcf_idr_create+0x5f/0x790 net/sched/act_api.c:478
 tcf_idr_create_from_flags+0x61/0x70 net/sched/act_api.c:536
 tcf_gact_init+0x342/0x570 net/sched/act_gact.c:102
 tcf_action_init_1+0x3fd/0x6b0 net/sched/act_api.c:1071
 tcf_action_init+0x233/0x7a0 net/sched/act_api.c:1130
 tcf_exts_validate+0x24a/0x580 net/sched/cls_api.c:3081
 mall_set_parms+0x48/0x520 net/sched/cls_matchall.c:171
 mall_change+0x478/0x760 net/sched/cls_matchall.c:229
 tc_new_tfilter+0x13df/0x1990 net/sched/cls_api.c:2138
 rtnetlink_rcv_msg+0x83c/0xcb0 net/core/rtnetlink.c:5644
 netlink_rcv_skb+0x1e9/0x430 net/netlink/af_netlink.c:2511
 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:5671
 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
 netlink_unicast+0x86c/0xa30 net/netlink/af_netlink.c:1348
 netlink_sendmsg+0x879/0xb80 net/netlink/af_netlink.c:1922
 sock_sendmsg_nosec net/socket.c:704 [inline]
 __sock_sendmsg net/socket.c:716 [inline]
 ____sys_sendmsg+0x5be/0x8f0 net/socket.c:2435
 ___sys_sendmsg+0x236/0x2e0 net/socket.c:2489
 __sys_sendmsg net/socket.c:2518 [inline]
 __do_sys_sendmsg net/socket.c:2527 [inline]
 __se_sys_sendmsg net/socket.c:2525 [inline]
 __x64_sys_sendmsg+0x201/0x2d0 net/socket.c:2525
 x64_sys_call+0x4b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:47
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0

The buggy address belongs to the object at ffff88811dffe100
 which belongs to the cache kmalloc-192 of size 192
The buggy address is located 0 bytes to the right of
 192-byte region [ffff88811dffe100, ffff88811dffe1c0)
The buggy address belongs to the page:
page:ffffea000477ff80 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11dffe
flags: 0x4000000000000200(slab|zone=1)
raw: 4000000000000200 0000000000000000 dead000000000122 ffff888100042c00
raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 373, ts 28054630598, free_ts 26553648121
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2607
 prep_new_page+0x1c/0x110 mm/page_alloc.c:2613
 get_page_from_freelist+0x2c3a/0x2cd0 mm/page_alloc.c:4487
 __alloc_pages+0x1a2/0x460 mm/page_alloc.c:5824
 alloc_slab_page mm/slub.c:-1 [inline]
 allocate_slab mm/slub.c:1937 [inline]
 new_slab+0xa0/0x4d0 mm/slub.c:2000
 ___slab_alloc+0x3ac/0x840 mm/slub.c:3033
 __slab_alloc+0x49/0x90 mm/slub.c:3120
 slab_alloc_node mm/slub.c:3211 [inline]
 slab_alloc mm/slub.c:3255 [inline]
 kmem_cache_alloc_trace+0x146/0x270 mm/slub.c:3272
 kmalloc include/linux/slab.h:619 [inline]
 kzalloc include/linux/slab.h:750 [inline]
 mall_change+0x276/0x760 net/sched/cls_matchall.c:211
 tc_new_tfilter+0x13df/0x1990 net/sched/cls_api.c:2138
 rtnetlink_rcv_msg+0x83c/0xcb0 net/core/rtnetlink.c:5644
 netlink_rcv_skb+0x1e9/0x430 net/netlink/af_netlink.c:2511
 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:5671
 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
 netlink_unicast+0x86c/0xa30 net/netlink/af_netlink.c:1348
 netlink_sendmsg+0x879/0xb80 net/netlink/af_netlink.c:1922
 sock_sendmsg_nosec net/socket.c:704 [inline]
 __sock_sendmsg net/socket.c:716 [inline]
 ____sys_sendmsg+0x5be/0x8f0 net/socket.c:2435
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1474 [inline]
 free_pcp_prepare mm/page_alloc.c:1546 [inline]
 free_unref_page_prepare+0x5fa/0x600 mm/page_alloc.c:3536
 free_unref_page+0xae/0x540 mm/page_alloc.c:3618
 free_the_page mm/page_alloc.c:805 [inline]
 __free_pages+0x6c/0x100 mm/page_alloc.c:5900
 free_pages+0x82/0x90 mm/page_alloc.c:5911
 tlb_batch_list_free mm/mmu_gather.c:61 [inline]
 tlb_finish_mmu+0x258/0x310 mm/mmu_gather.c:341
 exit_mmap+0x43b/0x8b0 mm/mmap.c:3248
 __mmput+0x92/0x300 kernel/fork.c:1185
 mmput+0x50/0x150 kernel/fork.c:1208
 exit_mm kernel/exit.c:555 [inline]
 do_exit+0xacc/0x29a0 kernel/exit.c:877
 do_group_exit+0x149/0x310 kernel/exit.c:1004
 get_signal+0x64f/0x1430 kernel/signal.c:2907
 arch_do_signal_or_restart+0xe2/0x1100 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0xa7/0xe0 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86

Memory state around the buggy address:
 ffff88811dffe080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88811dffe100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88811dffe180: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
                                           ^
 ffff88811dffe200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88811dffe280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-out-of-bounds in is_tcf_tunnel_set include/net/tc_act/tc_tunnel_key.h:33 [inline]
BUG: KASAN: slab-out-of-bounds in tc_setup_flow_action+0x88e/0x3200 net/sched/cls_api.c:3633
Read of size 8 at addr ffff88811dffe1c0 by task syz.2.17/373

CPU: 1 PID: 373 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:427 [inline]
 kasan_report+0x10f/0x150 mm/kasan/report.c:444
 __asan_report_load8_noabort+0x14/0x20 mm/kasan/report_generic.c:309
 is_tcf_tunnel_set include/net/tc_act/tc_tunnel_key.h:33 [inline]
 tc_setup_flow_action+0x88e/0x3200 net/sched/cls_api.c:3633
 mall_replace_hw_filter+0x2db/0x8d0 net/sched/cls_matchall.c:100
 mall_change+0x544/0x760 net/sched/cls_matchall.c:235
 tc_new_tfilter+0x13df/0x1990 net/sched/cls_api.c:2138
 rtnetlink_rcv_msg+0x83c/0xcb0 net/core/rtnetlink.c:5644
 netlink_rcv_skb+0x1e9/0x430 net/netlink/af_netlink.c:2511
 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:5671
 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
 netlink_unicast+0x86c/0xa30 net/netlink/af_netlink.c:1348
 netlink_sendmsg+0x879/0xb80 net/netlink/af_netlink.c:1922
 sock_sendmsg_nosec net/socket.c:704 [inline]
 __sock_sendmsg net/socket.c:716 [inline]
 ____sys_sendmsg+0x5be/0x8f0 net/socket.c:2435
 ___sys_sendmsg+0x236/0x2e0 net/socket.c:2489
 __sys_sendmsg net/socket.c:2518 [inline]
 __do_sys_sendmsg net/socket.c:2527 [inline]
 __se_sys_sendmsg net/socket.c:2525 [inline]
 __x64_sys_sendmsg+0x201/0x2d0 net/socket.c:2525
 x64_sys_call+0x4b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:47
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7efd8e5dde59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fffa5c4f978 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007efd8e856fa0 RCX: 00007efd8e5dde59
RDX: 0000000020000000 RSI: 0000200000000040 RDI: 0000000000000003
RBP: 00007efd8e673e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007efd8e856fac R14: 00007efd8e856fa0 R15: 00007efd8e856fa0
 </TASK>

Allocated by task 373:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:433 [inline]
 ____kasan_kmalloc mm/kasan/common.c:512 [inline]
 __kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:521
 kasan_kmalloc include/linux/kasan.h:227 [inline]
 __kmalloc+0x13d/0x2c0 mm/slub.c:4436
 kmalloc include/linux/slab.h:624 [inline]
 kzalloc include/linux/slab.h:750 [inline]
 tcf_idr_create+0x5f/0x790 net/sched/act_api.c:478
 tcf_idr_create_from_flags+0x61/0x70 net/sched/act_api.c:536
 tcf_gact_init+0x342/0x570 net/sched/act_gact.c:102
 tcf_action_init_1+0x3fd/0x6b0 net/sched/act_api.c:1071
 tcf_action_init+0x233/0x7a0 net/sched/act_api.c:1130
 tcf_exts_validate+0x24a/0x580 net/sched/cls_api.c:3081
 mall_set_parms+0x48/0x520 net/sched/cls_matchall.c:171
 mall_change+0x478/0x760 net/sched/cls_matchall.c:229
 tc_new_tfilter+0x13df/0x1990 net/sched/cls_api.c:2138
 rtnetlink_rcv_msg+0x83c/0xcb0 net/core/rtnetlink.c:5644
 netlink_rcv_skb+0x1e9/0x430 net/netlink/af_netlink.c:2511
 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:5671
 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
 netlink_unicast+0x86c/0xa30 net/netlink/af_netlink.c:1348
 netlink_sendmsg+0x879/0xb80 net/netlink/af_netlink.c:1922
 sock_sendmsg_nosec net/socket.c:704 [inline]
 __sock_sendmsg net/socket.c:716 [inline]
 ____sys_sendmsg+0x5be/0x8f0 net/socket.c:2435
 ___sys_sendmsg+0x236/0x2e0 net/socket.c:2489
 __sys_sendmsg net/socket.c:2518 [inline]
 __do_sys_sendmsg net/socket.c:2527 [inline]
 __se_sys_sendmsg net/socket.c:2525 [inline]
 __x64_sys_sendmsg+0x201/0x2d0 net/socket.c:2525
 x64_sys_call+0x4b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:47
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0

The buggy address belongs to the object at ffff88811dffe100
 which belongs to the cache kmalloc-192 of size 192
The buggy address is located 0 bytes to the right of
 192-byte region [ffff88811dffe100, ffff88811dffe1c0)
The buggy address belongs to the page:
page:ffffea000477ff80 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11dffe
flags: 0x4000000000000200(slab|zone=1)
raw: 4000000000000200 0000000000000000 dead000000000122 ffff888100042c00
raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 373, ts 28054630598, free_ts 26553648121
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2607
 prep_new_page+0x1c/0x110 mm/page_alloc.c:2613
 get_page_from_freelist+0x2c3a/0x2cd0 mm/page_alloc.c:4487
 __alloc_pages+0x1a2/0x460 mm/page_alloc.c:5824
 alloc_slab_page mm/slub.c:-1 [inline]
 allocate_slab mm/slub.c:1937 [inline]
 new_slab+0xa0/0x4d0 mm/slub.c:2000
 ___slab_alloc+0x3ac/0x840 mm/slub.c:3033
 __slab_alloc+0x49/0x90 mm/slub.c:3120
 slab_alloc_node mm/slub.c:3211 [inline]
 slab_alloc mm/slub.c:3255 [inline]
 kmem_cache_alloc_trace+0x146/0x270 mm/slub.c:3272
 kmalloc include/linux/slab.h:619 [inline]
 kzalloc include/linux/slab.h:750 [inline]
 mall_change+0x276/0x760 net/sched/cls_matchall.c:211
 tc_new_tfilter+0x13df/0x1990 net/sched/cls_api.c:2138
 rtnetlink_rcv_msg+0x83c/0xcb0 net/core/rtnetlink.c:5644
 netlink_rcv_skb+0x1e9/0x430 net/netlink/af_netlink.c:2511
 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:5671
 netlink_unicast_kernel net/netlink/af_netlink.c:1322 [inline]
 netlink_unicast+0x86c/0xa30 net/netlink/af_netlink.c:1348
 netlink_sendmsg+0x879/0xb80 net/netlink/af_netlink.c:1922
 sock_sendmsg_nosec net/socket.c:704 [inline]
 __sock_sendmsg net/socket.c:716 [inline]
 ____sys_sendmsg+0x5be/0x8f0 net/socket.c:2435
page last free stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 free_pages_prepare mm/page_alloc.c:1474 [inline]
 free_pcp_prepare mm/page_alloc.c:1546 [inline]
 free_unref_page_prepare+0x5fa/0x600 mm/page_alloc.c:3536
 free_unref_page+0xae/0x540 mm/page_alloc.c:3618
 free_the_page mm/page_alloc.c:805 [inline]
 __free_pages+0x6c/0x100 mm/page_alloc.c:5900
 free_pages+0x82/0x90 mm/page_alloc.c:5911
 tlb_batch_list_free mm/mmu_gather.c:61 [inline]
 tlb_finish_mmu+0x258/0x310 mm/mmu_gather.c:341
 exit_mmap+0x43b/0x8b0 mm/mmap.c:3248
 __mmput+0x92/0x300 kernel/fork.c:1185
 mmput+0x50/0x150 kernel/fork.c:1208
 exit_mm kernel/exit.c:555 [inline]
 do_exit+0xacc/0x29a0 kernel/exit.c:877
 do_group_exit+0x149/0x310 kernel/exit.c:1004
 get_signal+0x64f/0x1430 kernel/signal.c:2907
 arch_do_signal_or_restart+0xe2/0x1100 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0xa7/0xe0 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86

Memory state around the buggy address:
 ffff88811dffe080: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88811dffe100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88811dffe180: 00 00 00 00 00 00 00 00 fc fc fc fc fc fc fc fc
                                           ^
 ffff88811dffe200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88811dffe280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================