Extracting prog: 1m0.980712188s
Minimizing prog: 11m0.29678655s
Simplifying prog options: 0s
Extracting C: 21.74855428s
Simplifying C: 2m42.735486846s


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}}): openat$tun-ioctl$TUNSETIFF-socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101})
r1 = socket(0x400000000010, 0x3, 0x0)
r2 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r3=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000005c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xffffffff, {0x0, 0x0, 0x0, r3, {0x0, 0xfff1}, {0xffff, 0xffff}, {0x0, 0x2}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x0, 0x3}}}]}, 0x38}}, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000340)=@newtfilter={0x8c, 0x2c, 0xd27, 0x70bd28, 0x25dfdc00, {0x0, 0x0, 0x0, r3, {0x0, 0xfff3}, {}, {0xb}}, [@filter_kind_options=@f_matchall={{0xd}, {0x58, 0x2, [@TCA_MATCHALL_ACT={0x4c, 0x2, [@m_gact={0x48, 0x1, 0x0, 0x0, {{0x9}, {0x1c, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x2, 0x8ba4, 0x10000000, 0x100000a, 0x8}}]}, {0x4}, {0xc}, {0xc, 0x8, {0x2, 0x3}}}}]}, @TCA_MATCHALL_FLAGS={0x8, 0x3, 0x2}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x10}, 0x0)

program crashed: KASAN: slab-out-of-bounds Read in tc_setup_flow_action
single: successfully extracted reproducer
found reproducer with 7 syscalls
minimizing guilty program
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}}): openat$tun-ioctl$TUNSETIFF-socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101})
r1 = socket(0x400000000010, 0x3, 0x0)
r2 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r3=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000005c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xffffffff, {0x0, 0x0, 0x0, r3, {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=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}}): openat$tun-ioctl$TUNSETIFF-socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101})
r1 = socket(0x400000000010, 0x3, 0x0)
r2 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r3=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000340)=@newtfilter={0x8c, 0x2c, 0xd27, 0x70bd28, 0x25dfdc00, {0x0, 0x0, 0x0, r3, {0x0, 0xfff3}, {}, {0xb}}, [@filter_kind_options=@f_matchall={{0xd}, {0x58, 0x2, [@TCA_MATCHALL_ACT={0x4c, 0x2, [@m_gact={0x48, 0x1, 0x0, 0x0, {{0x9}, {0x1c, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x2, 0x8ba4, 0x10000000, 0x100000a, 0x8}}]}, {0x4}, {0xc}, {0xc, 0x8, {0x2, 0x3}}}}]}, @TCA_MATCHALL_FLAGS={0x8, 0x3, 0x2}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x10}, 0x0)

program did not crash
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}}): openat$tun-ioctl$TUNSETIFF-socket-socket$unix-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101})
r1 = socket(0x400000000010, 0x3, 0x0)
socket$unix(0x1, 0x1, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000005c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xffffffff, {0x0, 0x0, 0x0, 0x0, {0x0, 0xfff1}, {0xffff, 0xffff}, {0x0, 0x2}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x0, 0x3}}}]}, 0x38}}, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000340)=@newtfilter={0x8c, 0x2c, 0xd27, 0x70bd28, 0x25dfdc00, {0x0, 0x0, 0x0, 0x0, {0x0, 0xfff3}, {}, {0xb}}, [@filter_kind_options=@f_matchall={{0xd}, {0x58, 0x2, [@TCA_MATCHALL_ACT={0x4c, 0x2, [@m_gact={0x48, 0x1, 0x0, 0x0, {{0x9}, {0x1c, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x2, 0x8ba4, 0x10000000, 0x100000a, 0x8}}]}, {0x4}, {0xc}, {0xc, 0x8, {0x2, 0x3}}}}]}, @TCA_MATCHALL_FLAGS={0x8, 0x3, 0x2}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x10}, 0x0)

program did not crash
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}}): openat$tun-ioctl$TUNSETIFF-socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101})
r1 = socket(0x400000000010, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r2=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000005c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xffffffff, {0x0, 0x0, 0x0, r2, {0x0, 0xfff1}, {0xffff, 0xffff}, {0x0, 0x2}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x0, 0x3}}}]}, 0x38}}, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000340)=@newtfilter={0x8c, 0x2c, 0xd27, 0x70bd28, 0x25dfdc00, {0x0, 0x0, 0x0, r2, {0x0, 0xfff3}, {}, {0xb}}, [@filter_kind_options=@f_matchall={{0xd}, {0x58, 0x2, [@TCA_MATCHALL_ACT={0x4c, 0x2, [@m_gact={0x48, 0x1, 0x0, 0x0, {{0x9}, {0x1c, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x2, 0x8ba4, 0x10000000, 0x100000a, 0x8}}]}, {0x4}, {0xc}, {0xc, 0x8, {0x2, 0x3}}}}]}, @TCA_MATCHALL_FLAGS={0x8, 0x3, 0x2}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x10}, 0x0)

program did not crash
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}}): openat$tun-ioctl$TUNSETIFF-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101})
r1 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r2=>0x0})
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000005c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xffffffff, {0x0, 0x0, 0x0, r2, {0x0, 0xfff1}, {0xffff, 0xffff}, {0x0, 0x2}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x0, 0x3}}}]}, 0x38}}, 0x0)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000340)=@newtfilter={0x8c, 0x2c, 0xd27, 0x70bd28, 0x25dfdc00, {0x0, 0x0, 0x0, r2, {0x0, 0xfff3}, {}, {0xb}}, [@filter_kind_options=@f_matchall={{0xd}, {0x58, 0x2, [@TCA_MATCHALL_ACT={0x4c, 0x2, [@m_gact={0x48, 0x1, 0x0, 0x0, {{0x9}, {0x1c, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x2, 0x8ba4, 0x10000000, 0x100000a, 0x8}}]}, {0x4}, {0xc}, {0xc, 0x8, {0x2, 0x3}}}}]}, @TCA_MATCHALL_FLAGS={0x8, 0x3, 0x2}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x10}, 0x0)

program did not crash
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}}): openat$tun-socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0)
r0 = socket(0x400000000010, 0x3, 0x0)
r1 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000005c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xffffffff, {0x0, 0x0, 0x0, r2, {0x0, 0xfff1}, {0xffff, 0xffff}, {0x0, 0x2}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x0, 0x3}}}]}, 0x38}}, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000340)=@newtfilter={0x8c, 0x2c, 0xd27, 0x70bd28, 0x25dfdc00, {0x0, 0x0, 0x0, r2, {0x0, 0xfff3}, {}, {0xb}}, [@filter_kind_options=@f_matchall={{0xd}, {0x58, 0x2, [@TCA_MATCHALL_ACT={0x4c, 0x2, [@m_gact={0x48, 0x1, 0x0, 0x0, {{0x9}, {0x1c, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x2, 0x8ba4, 0x10000000, 0x100000a, 0x8}}]}, {0x4}, {0xc}, {0xc, 0x8, {0x2, 0x3}}}}]}, @TCA_MATCHALL_FLAGS={0x8, 0x3, 0x2}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x10}, 0x0)

program did not crash
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}}): ioctl$TUNSETIFF-socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101})
r0 = socket(0x400000000010, 0x3, 0x0)
r1 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000005c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xffffffff, {0x0, 0x0, 0x0, r2, {0x0, 0xfff1}, {0xffff, 0xffff}, {0x0, 0x2}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x0, 0x3}}}]}, 0x38}}, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000340)=@newtfilter={0x8c, 0x2c, 0xd27, 0x70bd28, 0x25dfdc00, {0x0, 0x0, 0x0, r2, {0x0, 0xfff3}, {}, {0xb}}, [@filter_kind_options=@f_matchall={{0xd}, {0x58, 0x2, [@TCA_MATCHALL_ACT={0x4c, 0x2, [@m_gact={0x48, 0x1, 0x0, 0x0, {{0x9}, {0x1c, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x2, 0x8ba4, 0x10000000, 0x100000a, 0x8}}]}, {0x4}, {0xc}, {0xc, 0x8, {0x2, 0x3}}}}]}, @TCA_MATCHALL_FLAGS={0x8, 0x3, 0x2}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x10}, 0x0)

program did not crash
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}}): openat$tun-ioctl$TUNSETIFF-socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101})
r1 = socket(0x400000000010, 0x3, 0x0)
r2 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r3=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000005c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xffffffff, {0x0, 0x0, 0x0, r3, {0x0, 0xfff1}, {0xffff, 0xffff}, {0x0, 0x2}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x0, 0x3}}}]}, 0x38}}, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000340)=@newtfilter={0x8c, 0x2c, 0xd27, 0x70bd28, 0x25dfdc00, {0x0, 0x0, 0x0, r3, {0x0, 0xfff3}, {}, {0xb}}, [@filter_kind_options=@f_matchall={{0xd}, {0x58, 0x2, [@TCA_MATCHALL_ACT={0x4c, 0x2, [@m_gact={0x48, 0x1, 0x0, 0x0, {{0x9}, {0x1c, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x2, 0x8ba4, 0x10000000, 0x100000a, 0x8}}]}, {0x4}, {0xc}, {0xc, 0x8, {0x2, 0x3}}}}]}, @TCA_MATCHALL_FLAGS={0x8, 0x3, 0x2}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x10}, 0x0)

program did not crash
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}}): openat$tun-ioctl$TUNSETIFF-socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, 0x0)
r1 = socket(0x400000000010, 0x3, 0x0)
r2 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r3=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000005c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xffffffff, {0x0, 0x0, 0x0, r3, {0x0, 0xfff1}, {0xffff, 0xffff}, {0x0, 0x2}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x0, 0x3}}}]}, 0x38}}, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000340)=@newtfilter={0x8c, 0x2c, 0xd27, 0x70bd28, 0x25dfdc00, {0x0, 0x0, 0x0, r3, {0x0, 0xfff3}, {}, {0xb}}, [@filter_kind_options=@f_matchall={{0xd}, {0x58, 0x2, [@TCA_MATCHALL_ACT={0x4c, 0x2, [@m_gact={0x48, 0x1, 0x0, 0x0, {{0x9}, {0x1c, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x2, 0x8ba4, 0x10000000, 0x100000a, 0x8}}]}, {0x4}, {0xc}, {0xc, 0x8, {0x2, 0x3}}}}]}, @TCA_MATCHALL_FLAGS={0x8, 0x3, 0x2}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x10}, 0x0)

program did not crash
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}}): openat$tun-ioctl$TUNSETIFF-socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101})
r1 = socket(0x400000000010, 0x3, 0x0)
r2 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000005c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xffffffff, {0x0, 0x0, 0x0, 0x0, {0x0, 0xfff1}, {0xffff, 0xffff}, {0x0, 0x2}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x0, 0x3}}}]}, 0x38}}, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000340)=@newtfilter={0x8c, 0x2c, 0xd27, 0x70bd28, 0x25dfdc00, {0x0, 0x0, 0x0, 0x0, {0x0, 0xfff3}, {}, {0xb}}, [@filter_kind_options=@f_matchall={{0xd}, {0x58, 0x2, [@TCA_MATCHALL_ACT={0x4c, 0x2, [@m_gact={0x48, 0x1, 0x0, 0x0, {{0x9}, {0x1c, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x2, 0x8ba4, 0x10000000, 0x100000a, 0x8}}]}, {0x4}, {0xc}, {0xc, 0x8, {0x2, 0x3}}}}]}, @TCA_MATCHALL_FLAGS={0x8, 0x3, 0x2}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x10}, 0x0)

program did not crash
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}}): openat$tun-ioctl$TUNSETIFF-socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101})
r1 = socket(0x400000000010, 0x3, 0x0)
r2 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r3=>0x0})
sendmsg$nl_route_sched(r1, 0x0, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000340)=@newtfilter={0x8c, 0x2c, 0xd27, 0x70bd28, 0x25dfdc00, {0x0, 0x0, 0x0, r3, {0x0, 0xfff3}, {}, {0xb}}, [@filter_kind_options=@f_matchall={{0xd}, {0x58, 0x2, [@TCA_MATCHALL_ACT={0x4c, 0x2, [@m_gact={0x48, 0x1, 0x0, 0x0, {{0x9}, {0x1c, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x2, 0x8ba4, 0x10000000, 0x100000a, 0x8}}]}, {0x4}, {0xc}, {0xc, 0x8, {0x2, 0x3}}}}]}, @TCA_MATCHALL_FLAGS={0x8, 0x3, 0x2}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x10}, 0x0)

program did not crash
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}}): openat$tun-ioctl$TUNSETIFF-socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101})
r1 = socket(0x400000000010, 0x3, 0x0)
r2 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r3=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f00000012c0)={0x0, 0x0, 0x0}, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000340)=@newtfilter={0x8c, 0x2c, 0xd27, 0x70bd28, 0x25dfdc00, {0x0, 0x0, 0x0, r3, {0x0, 0xfff3}, {}, {0xb}}, [@filter_kind_options=@f_matchall={{0xd}, {0x58, 0x2, [@TCA_MATCHALL_ACT={0x4c, 0x2, [@m_gact={0x48, 0x1, 0x0, 0x0, {{0x9}, {0x1c, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x2, 0x8ba4, 0x10000000, 0x100000a, 0x8}}]}, {0x4}, {0xc}, {0xc, 0x8, {0x2, 0x3}}}}]}, @TCA_MATCHALL_FLAGS={0x8, 0x3, 0x2}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x10}, 0x0)

program did not crash
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}}): openat$tun-ioctl$TUNSETIFF-socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101})
r1 = socket(0x400000000010, 0x3, 0x0)
r2 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r3=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={0x0}}, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000340)=@newtfilter={0x8c, 0x2c, 0xd27, 0x70bd28, 0x25dfdc00, {0x0, 0x0, 0x0, r3, {0x0, 0xfff3}, {}, {0xb}}, [@filter_kind_options=@f_matchall={{0xd}, {0x58, 0x2, [@TCA_MATCHALL_ACT={0x4c, 0x2, [@m_gact={0x48, 0x1, 0x0, 0x0, {{0x9}, {0x1c, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x2, 0x8ba4, 0x10000000, 0x100000a, 0x8}}]}, {0x4}, {0xc}, {0xc, 0x8, {0x2, 0x3}}}}]}, @TCA_MATCHALL_FLAGS={0x8, 0x3, 0x2}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x10}, 0x0)

program did not crash
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}}): openat$tun-ioctl$TUNSETIFF-socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101})
r1 = socket(0x400000000010, 0x3, 0x0)
r2 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r3=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000005c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xffffffff, {0x0, 0x0, 0x0, r3, {0x0, 0xfff1}, {0xffff, 0xffff}, {0x0, 0x2}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x0, 0x3}}}]}, 0x38}}, 0x0)
sendmsg$nl_route_sched(r1, 0x0, 0x0)

program did not crash
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}}): openat$tun-ioctl$TUNSETIFF-socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101})
r1 = socket(0x400000000010, 0x3, 0x0)
r2 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r3=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000005c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xffffffff, {0x0, 0x0, 0x0, r3, {0x0, 0xfff1}, {0xffff, 0xffff}, {0x0, 0x2}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x0, 0x3}}}]}, 0x38}}, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x10}, 0x0)

program did not crash
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}}): openat$tun-ioctl$TUNSETIFF-socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101})
r1 = socket(0x400000000010, 0x3, 0x0)
r2 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r3=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000005c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xffffffff, {0x0, 0x0, 0x0, r3, {0x0, 0xfff1}, {0xffff, 0xffff}, {0x0, 0x2}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x0, 0x3}}}]}, 0x38}}, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000300)={0x0}, 0x1, 0x0, 0x0, 0x10}, 0x0)

program did not crash
extracting C reproducer
testing compiled C 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}}): openat$tun-ioctl$TUNSETIFF-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=30s, {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}}): openat$tun-ioctl$TUNSETIFF-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=30s, {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}}): openat$tun-ioctl$TUNSETIFF-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=30s, {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}}): openat$tun-ioctl$TUNSETIFF-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=30s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-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=30s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-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=30s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-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=30s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101})
r1 = socket(0x400000000010, 0x3, 0x0)
r2 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r3=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000005c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xffffffff, {0x0, 0x0, 0x0, r3, {0x0, 0xfff1}, {0xffff, 0xffff}, {0x0, 0x2}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x0, 0x3}}}]}, 0x38}}, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000340)=@newtfilter={0x8c, 0x2c, 0xd27, 0x70bd28, 0x25dfdc00, {0x0, 0x0, 0x0, r3, {0x0, 0xfff3}, {}, {0xb}}, [@filter_kind_options=@f_matchall={{0xd}, {0x58, 0x2, [@TCA_MATCHALL_ACT={0x4c, 0x2, [@m_gact={0x48, 0x1, 0x0, 0x0, {{0x9}, {0x1c, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x2, 0x8ba4, 0x10000000, 0x100000a, 0x8}}]}, {0x4}, {0xc}, {0xc, 0x8, {0x2, 0x3}}}}]}, @TCA_MATCHALL_FLAGS={0x8, 0x3, 0x2}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x10}, 0x0)

program crashed: KASAN: slab-out-of-bounds Read in tc_setup_flow_action
validation run: crashed=true
testing program (duration=30s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101})
r1 = socket(0x400000000010, 0x3, 0x0)
r2 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r3=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000005c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xffffffff, {0x0, 0x0, 0x0, r3, {0x0, 0xfff1}, {0xffff, 0xffff}, {0x0, 0x2}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x0, 0x3}}}]}, 0x38}}, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000340)=@newtfilter={0x8c, 0x2c, 0xd27, 0x70bd28, 0x25dfdc00, {0x0, 0x0, 0x0, r3, {0x0, 0xfff3}, {}, {0xb}}, [@filter_kind_options=@f_matchall={{0xd}, {0x58, 0x2, [@TCA_MATCHALL_ACT={0x4c, 0x2, [@m_gact={0x48, 0x1, 0x0, 0x0, {{0x9}, {0x1c, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x2, 0x8ba4, 0x10000000, 0x100000a, 0x8}}]}, {0x4}, {0xc}, {0xc, 0x8, {0x2, 0x3}}}}]}, @TCA_MATCHALL_FLAGS={0x8, 0x3, 0x2}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x10}, 0x0)

program crashed: KASAN: slab-out-of-bounds Read in tc_setup_flow_action
validation run: crashed=true
testing program (duration=30s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-socket-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000240), 0x0, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000040)={'syzkaller0\x00', 0x7101})
r1 = socket(0x400000000010, 0x3, 0x0)
r2 = socket$unix(0x1, 0x1, 0x0)
ioctl$sock_SIOCGIFINDEX(r2, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r3=>0x0})
sendmsg$nl_route_sched(r1, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000005c0)=@newqdisc={0x38, 0x24, 0x4ee4e6a52ff56541, 0x70bd2a, 0xffffffff, {0x0, 0x0, 0x0, r3, {0x0, 0xfff1}, {0xffff, 0xffff}, {0x0, 0x2}}, [@qdisc_kind_options=@q_multiq={{0xb}, {0x8, 0x2, {0x0, 0x3}}}]}, 0x38}}, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000180)={0x0, 0x0, &(0x7f0000000300)={&(0x7f0000000340)=@newtfilter={0x8c, 0x2c, 0xd27, 0x70bd28, 0x25dfdc00, {0x0, 0x0, 0x0, r3, {0x0, 0xfff3}, {}, {0xb}}, [@filter_kind_options=@f_matchall={{0xd}, {0x58, 0x2, [@TCA_MATCHALL_ACT={0x4c, 0x2, [@m_gact={0x48, 0x1, 0x0, 0x0, {{0x9}, {0x1c, 0x2, 0x0, 0x1, [@TCA_GACT_PARMS={0x18, 0x2, {0x2, 0x8ba4, 0x10000000, 0x100000a, 0x8}}]}, {0x4}, {0xc}, {0xc, 0x8, {0x2, 0x3}}}}]}, @TCA_MATCHALL_FLAGS={0x8, 0x3, 0x2}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x10}, 0x0)

program crashed: KASAN: slab-out-of-bounds Read in tc_setup_flow_action
validation run: crashed=true
reproducing took 16m51.262583498s
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/0x3160 net/sched/cls_api.c:3640
Read of size 8 at addr ffff88810f648ed8 by task syz.2.17/369

CPU: 1 PID: 369 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
Call Trace:
 __dump_stack+0x21/0x24 lib/dump_stack.c:77
 dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:435 [inline]
 kasan_report+0x100/0x140 mm/kasan/report.c:452
 __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/0x3160 net/sched/cls_api.c:3640
 mall_replace_hw_filter+0x2db/0x8c0 net/sched/cls_matchall.c:100
 mall_change+0x546/0x770 net/sched/cls_matchall.c:236
 tc_new_tfilter+0x1487/0x1ab0 net/sched/cls_api.c:2134
 rtnetlink_rcv_msg+0x811/0xca0 net/core/rtnetlink.c:5613
 netlink_rcv_skb+0x1e9/0x430 net/netlink/af_netlink.c:2508
 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:5640
 netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline]
 netlink_unicast+0x86c/0xa30 net/netlink/af_netlink.c:1340
 netlink_sendmsg+0x949/0xb70 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:652 [inline]
 __sock_sendmsg net/socket.c:664 [inline]
 ____sys_sendmsg+0x5be/0x8f0 net/socket.c:2377
 ___sys_sendmsg+0x236/0x2e0 net/socket.c:2431
 __sys_sendmsg net/socket.c:2460 [inline]
 __do_sys_sendmsg net/socket.c:2469 [inline]
 __se_sys_sendmsg net/socket.c:2467 [inline]
 __x64_sys_sendmsg+0x201/0x2d0 net/socket.c:2467
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f817e648559
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:00007ffee8407748 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f817e8cefa0 RCX: 00007f817e648559
RDX: 0000000000000000 RSI: 0000200000000180 RDI: 0000000000000004
RBP: 00007f817e6dfb20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f817e8cefac R14: 00007f817e8cefa0 R15: 00007f817e8cefa0

Allocated by task 369:
 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:430 [inline]
 ____kasan_kmalloc mm/kasan/common.c:509 [inline]
 __kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:518
 kasan_kmalloc include/linux/kasan.h:254 [inline]
 __kmalloc+0x19f/0x330 mm/slub.c:4038
 kmalloc include/linux/slab.h:560 [inline]
 kzalloc include/linux/slab.h:667 [inline]
 tcf_idr_create+0x5f/0x790 net/sched/act_api.c:434
 tcf_idr_create_from_flags+0x61/0x70 net/sched/act_api.c:492
 tcf_gact_init+0x2e6/0x560 net/sched/act_gact.c:107
 tcf_action_init_1+0x443/0x6d0 net/sched/act_api.c:1056
 tcf_action_init+0x227/0x780 net/sched/act_api.c:1113
 tcf_exts_validate+0x23c/0x540 net/sched/cls_api.c:3087
 mall_set_parms+0x4a/0x450 net/sched/cls_matchall.c:171
 mall_change+0x47a/0x770 net/sched/cls_matchall.c:230
 tc_new_tfilter+0x1487/0x1ab0 net/sched/cls_api.c:2134
 rtnetlink_rcv_msg+0x811/0xca0 net/core/rtnetlink.c:5613
 netlink_rcv_skb+0x1e9/0x430 net/netlink/af_netlink.c:2508
 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:5640
 netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline]
 netlink_unicast+0x86c/0xa30 net/netlink/af_netlink.c:1340
 netlink_sendmsg+0x949/0xb70 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:652 [inline]
 __sock_sendmsg net/socket.c:664 [inline]
 ____sys_sendmsg+0x5be/0x8f0 net/socket.c:2377
 ___sys_sendmsg+0x236/0x2e0 net/socket.c:2431
 __sys_sendmsg net/socket.c:2460 [inline]
 __do_sys_sendmsg net/socket.c:2469 [inline]
 __se_sys_sendmsg net/socket.c:2467 [inline]
 __x64_sys_sendmsg+0x201/0x2d0 net/socket.c:2467
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb

The buggy address belongs to the object at ffff88810f648e00
 which belongs to the cache kmalloc-256 of size 256
The buggy address is located 216 bytes inside of
 256-byte region [ffff88810f648e00, ffff88810f648f00)
The buggy address belongs to the page:
page:ffffea00043d9200 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10f648
head:ffffea00043d9200 order:1 compound_mapcount:0
flags: 0x4000000000010200(slab|head)
raw: 4000000000010200 ffffea00043d6300 0000000b0000000b ffff888100043200
raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 95, ts 5421656783, free_ts 0
 set_page_owner include/linux/page_owner.h:35 [inline]
 post_alloc_hook mm/page_alloc.c:2456 [inline]
 prep_new_page+0x176/0x190 mm/page_alloc.c:2462
 get_page_from_freelist+0x225f/0x23f0 mm/page_alloc.c:4254
 __alloc_pages_nodemask+0x29a/0x640 mm/page_alloc.c:5384
 alloc_slab_page mm/slub.c:-1 [inline]
 allocate_slab mm/slub.c:1813 [inline]
 new_slab+0x84/0x3f0 mm/slub.c:1874
 new_slab_objects mm/slub.c:2632 [inline]
 ___slab_alloc+0x2f8/0x4c0 mm/slub.c:2796
 __slab_alloc+0x63/0xa0 mm/slub.c:2836
 slab_alloc_node mm/slub.c:2918 [inline]
 slab_alloc mm/slub.c:2960 [inline]
 kmem_cache_alloc_trace+0x1a8/0x2e0 mm/slub.c:2977
 kmalloc include/linux/slab.h:555 [inline]
 inode_doinit_use_xattr+0x5d/0x400 security/selinux/hooks.c:1346
 inode_doinit_with_dentry+0x93a/0xd70 security/selinux/hooks.c:1539
 selinux_d_instantiate+0x27/0x40 security/selinux/hooks.c:6396
 security_d_instantiate+0x9e/0xf0 security/security.c:1980
 d_splice_alias+0x6d/0x390 fs/dcache.c:3038
 kernfs_iop_lookup+0x2c5/0x310 fs/kernfs/dir.c:1178
 lookup_open fs/namei.c:3276 [inline]
 open_last_lookups fs/namei.c:3367 [inline]
 path_openat+0x145d/0x3040 fs/namei.c:3556
 do_filp_open+0x1df/0x400 fs/namei.c:3586
 do_sys_openat2+0x19f/0x750 fs/open.c:1219
page_owner free stack trace missing

Memory state around the buggy address:
 ffff88810f648d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88810f648e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88810f648e80: 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc
                                                    ^
 ffff88810f648f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88810f648f80: 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/0x3160 net/sched/cls_api.c:3640
Read of size 8 at addr ffff88810f648ed8 by task syz.2.17/369

CPU: 1 PID: 369 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
Call Trace:
 __dump_stack+0x21/0x24 lib/dump_stack.c:77
 dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:435 [inline]
 kasan_report+0x100/0x140 mm/kasan/report.c:452
 __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/0x3160 net/sched/cls_api.c:3640
 mall_replace_hw_filter+0x2db/0x8c0 net/sched/cls_matchall.c:100
 mall_change+0x546/0x770 net/sched/cls_matchall.c:236
 tc_new_tfilter+0x1487/0x1ab0 net/sched/cls_api.c:2134
 rtnetlink_rcv_msg+0x811/0xca0 net/core/rtnetlink.c:5613
 netlink_rcv_skb+0x1e9/0x430 net/netlink/af_netlink.c:2508
 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:5640
 netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline]
 netlink_unicast+0x86c/0xa30 net/netlink/af_netlink.c:1340
 netlink_sendmsg+0x949/0xb70 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:652 [inline]
 __sock_sendmsg net/socket.c:664 [inline]
 ____sys_sendmsg+0x5be/0x8f0 net/socket.c:2377
 ___sys_sendmsg+0x236/0x2e0 net/socket.c:2431
 __sys_sendmsg net/socket.c:2460 [inline]
 __do_sys_sendmsg net/socket.c:2469 [inline]
 __se_sys_sendmsg net/socket.c:2467 [inline]
 __x64_sys_sendmsg+0x201/0x2d0 net/socket.c:2467
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f817e648559
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:00007ffee8407748 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f817e8cefa0 RCX: 00007f817e648559
RDX: 0000000000000000 RSI: 0000200000000180 RDI: 0000000000000004
RBP: 00007f817e6dfb20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f817e8cefac R14: 00007f817e8cefa0 R15: 00007f817e8cefa0

Allocated by task 369:
 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:430 [inline]
 ____kasan_kmalloc mm/kasan/common.c:509 [inline]
 __kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:518
 kasan_kmalloc include/linux/kasan.h:254 [inline]
 __kmalloc+0x19f/0x330 mm/slub.c:4038
 kmalloc include/linux/slab.h:560 [inline]
 kzalloc include/linux/slab.h:667 [inline]
 tcf_idr_create+0x5f/0x790 net/sched/act_api.c:434
 tcf_idr_create_from_flags+0x61/0x70 net/sched/act_api.c:492
 tcf_gact_init+0x2e6/0x560 net/sched/act_gact.c:107
 tcf_action_init_1+0x443/0x6d0 net/sched/act_api.c:1056
 tcf_action_init+0x227/0x780 net/sched/act_api.c:1113
 tcf_exts_validate+0x23c/0x540 net/sched/cls_api.c:3087
 mall_set_parms+0x4a/0x450 net/sched/cls_matchall.c:171
 mall_change+0x47a/0x770 net/sched/cls_matchall.c:230
 tc_new_tfilter+0x1487/0x1ab0 net/sched/cls_api.c:2134
 rtnetlink_rcv_msg+0x811/0xca0 net/core/rtnetlink.c:5613
 netlink_rcv_skb+0x1e9/0x430 net/netlink/af_netlink.c:2508
 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:5640
 netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline]
 netlink_unicast+0x86c/0xa30 net/netlink/af_netlink.c:1340
 netlink_sendmsg+0x949/0xb70 net/netlink/af_netlink.c:1919
 sock_sendmsg_nosec net/socket.c:652 [inline]
 __sock_sendmsg net/socket.c:664 [inline]
 ____sys_sendmsg+0x5be/0x8f0 net/socket.c:2377
 ___sys_sendmsg+0x236/0x2e0 net/socket.c:2431
 __sys_sendmsg net/socket.c:2460 [inline]
 __do_sys_sendmsg net/socket.c:2469 [inline]
 __se_sys_sendmsg net/socket.c:2467 [inline]
 __x64_sys_sendmsg+0x201/0x2d0 net/socket.c:2467
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb

The buggy address belongs to the object at ffff88810f648e00
 which belongs to the cache kmalloc-256 of size 256
The buggy address is located 216 bytes inside of
 256-byte region [ffff88810f648e00, ffff88810f648f00)
The buggy address belongs to the page:
page:ffffea00043d9200 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10f648
head:ffffea00043d9200 order:1 compound_mapcount:0
flags: 0x4000000000010200(slab|head)
raw: 4000000000010200 ffffea00043d6300 0000000b0000000b ffff888100043200
raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 95, ts 5421656783, free_ts 0
 set_page_owner include/linux/page_owner.h:35 [inline]
 post_alloc_hook mm/page_alloc.c:2456 [inline]
 prep_new_page+0x176/0x190 mm/page_alloc.c:2462
 get_page_from_freelist+0x225f/0x23f0 mm/page_alloc.c:4254
 __alloc_pages_nodemask+0x29a/0x640 mm/page_alloc.c:5384
 alloc_slab_page mm/slub.c:-1 [inline]
 allocate_slab mm/slub.c:1813 [inline]
 new_slab+0x84/0x3f0 mm/slub.c:1874
 new_slab_objects mm/slub.c:2632 [inline]
 ___slab_alloc+0x2f8/0x4c0 mm/slub.c:2796
 __slab_alloc+0x63/0xa0 mm/slub.c:2836
 slab_alloc_node mm/slub.c:2918 [inline]
 slab_alloc mm/slub.c:2960 [inline]
 kmem_cache_alloc_trace+0x1a8/0x2e0 mm/slub.c:2977
 kmalloc include/linux/slab.h:555 [inline]
 inode_doinit_use_xattr+0x5d/0x400 security/selinux/hooks.c:1346
 inode_doinit_with_dentry+0x93a/0xd70 security/selinux/hooks.c:1539
 selinux_d_instantiate+0x27/0x40 security/selinux/hooks.c:6396
 security_d_instantiate+0x9e/0xf0 security/security.c:1980
 d_splice_alias+0x6d/0x390 fs/dcache.c:3038
 kernfs_iop_lookup+0x2c5/0x310 fs/kernfs/dir.c:1178
 lookup_open fs/namei.c:3276 [inline]
 open_last_lookups fs/namei.c:3367 [inline]
 path_openat+0x145d/0x3040 fs/namei.c:3556
 do_filp_open+0x1df/0x400 fs/namei.c:3586
 do_sys_openat2+0x19f/0x750 fs/open.c:1219
page_owner free stack trace missing

Memory state around the buggy address:
 ffff88810f648d80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88810f648e00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88810f648e80: 00 00 00 00 00 00 00 00 00 00 00 fc fc fc fc fc
                                                    ^
 ffff88810f648f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff88810f648f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================