Extracting prog: 4m40.241418313s
Minimizing prog: 2h7m5.871547867s
Simplifying prog options: 0s
Extracting C: 2m18.053407752s
Simplifying C: 27m50.933037229s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x1c1341, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller0\x00', 0x84aebfbd6349b7f2})
r1 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r2=>0x0})
r3 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r2, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
r4 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r4, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)=@newqdisc={0x8c, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, r2, {0x0, 0x8}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x5c, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x50, 0x2, 0x0, 0x1, [{0x4c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x7}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x8}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x4}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x20}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x9b}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0x1}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x40001}, 0x10)

program crashed: INFO: rcu detected stall in worker_thread
single: successfully extracted reproducer
found reproducer with 8 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x1c1341, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller0\x00', 0x84aebfbd6349b7f2})
r1 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r2=>0x0})
r3 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r2, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
socket(0x400000000010, 0x3, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x1c1341, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller0\x00', 0x84aebfbd6349b7f2})
r1 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r2=>0x0})
r3 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r2, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)=@newqdisc={0x8c, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, r2, {0x0, 0x8}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x5c, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x50, 0x2, 0x0, 0x1, [{0x4c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x7}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x8}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x4}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x20}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x9b}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0x1}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x40001}, 0x10)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-socket$unix-ioctl$sock_SIOCGIFINDEX-socket-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x1c1341, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller0\x00', 0x84aebfbd6349b7f2})
r1 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r2=>0x0})
socket(0x10, 0x3, 0x0)
r3 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)=@newqdisc={0x8c, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, r2, {0x0, 0x8}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x5c, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x50, 0x2, 0x0, 0x1, [{0x4c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x7}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x8}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x4}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x20}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x9b}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0x1}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x40001}, 0x10)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x1c1341, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller0\x00', 0x84aebfbd6349b7f2})
r1 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r2=>0x0})
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r2, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
r3 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)=@newqdisc={0x8c, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, r2, {0x0, 0x8}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x5c, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x50, 0x2, 0x0, 0x1, [{0x4c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x7}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x8}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x4}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x20}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x9b}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0x1}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x40001}, 0x10)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-socket$unix-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x1c1341, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller0\x00', 0x84aebfbd6349b7f2})
socket$unix(0x1, 0x5, 0x0)
r1 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, 0x0, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
r2 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)=@newqdisc={0x8c, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, 0x0, {0x0, 0x8}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x5c, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x50, 0x2, 0x0, 0x1, [{0x4c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x7}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x8}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x4}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x20}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x9b}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0x1}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x40001}, 0x10)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x1c1341, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller0\x00', 0x84aebfbd6349b7f2})
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r1, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
r3 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)=@newqdisc={0x8c, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, r1, {0x0, 0x8}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x5c, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x50, 0x2, 0x0, 0x1, [{0x4c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x7}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x8}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x4}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x20}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x9b}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0x1}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x40001}, 0x10)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x1c1341, 0x0)
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r1, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
r3 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)=@newqdisc={0x8c, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, r1, {0x0, 0x8}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x5c, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x50, 0x2, 0x0, 0x1, [{0x4c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x7}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x8}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x4}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x20}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x9b}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0x1}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x40001}, 0x10)

VM was preempted during syz execution: failed to run command in VM: instance is preempted, retrying
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$TUNSETIFF-socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
ioctl$TUNSETIFF(0xffffffffffffffff, 0x400454ca, &(0x7f00000000c0)={'syzkaller0\x00', 0x84aebfbd6349b7f2})
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r1, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
r3 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)=@newqdisc={0x8c, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, r1, {0x0, 0x8}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x5c, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x50, 0x2, 0x0, 0x1, [{0x4c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x7}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x8}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x4}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x20}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x9b}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0x1}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x40001}, 0x10)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, 0x0, 0x1c1341, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller0\x00', 0x84aebfbd6349b7f2})
r1 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r2=>0x0})
r3 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r2, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
r4 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r4, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)=@newqdisc={0x8c, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, r2, {0x0, 0x8}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x5c, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x50, 0x2, 0x0, 0x1, [{0x4c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x7}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x8}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x4}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x20}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x9b}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0x1}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x40001}, 0x10)

VM was preempted during syz execution: failed to run command in VM: instance is preempted, retrying
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x1c1341, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, 0x0)
r1 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r2=>0x0})
r3 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r2, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
r4 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r4, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)=@newqdisc={0x8c, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, r2, {0x0, 0x8}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x5c, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x50, 0x2, 0x0, 0x1, [{0x4c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x7}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x8}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x4}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x20}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x9b}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0x1}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x40001}, 0x10)

VM was preempted during syz execution: failed to run command in VM: instance is preempted, retrying
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x1c1341, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller0\x00', 0x84aebfbd6349b7f2})
r1 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, 0x0)
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, 0x0, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
r3 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)=@newqdisc={0x8c, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, 0x0, {0x0, 0x8}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x5c, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x50, 0x2, 0x0, 0x1, [{0x4c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x7}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x8}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x4}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x20}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x9b}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0x1}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x40001}, 0x10)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x1c1341, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller0\x00', 0x84aebfbd6349b7f2})
r1 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r2=>0x0})
r3 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r3, 0x0, 0x20000000)
r4 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r4, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)=@newqdisc={0x8c, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, r2, {0x0, 0x8}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x5c, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x50, 0x2, 0x0, 0x1, [{0x4c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x7}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x8}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x4}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x20}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x9b}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0x1}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x40001}, 0x10)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x1c1341, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller0\x00', 0x84aebfbd6349b7f2})
r1 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r2=>0x0})
r3 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f0000000200)={0x0, 0x0, 0x0}, 0x20000000)
r4 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r4, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)=@newqdisc={0x8c, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, r2, {0x0, 0x8}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x5c, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x50, 0x2, 0x0, 0x1, [{0x4c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x7}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x8}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x4}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x20}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x9b}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0x1}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x40001}, 0x10)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x1c1341, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller0\x00', 0x84aebfbd6349b7f2})
r1 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r2=>0x0})
r3 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={0x0}}, 0x20000000)
r4 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r4, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)=@newqdisc={0x8c, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, r2, {0x0, 0x8}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x5c, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x50, 0x2, 0x0, 0x1, [{0x4c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x7}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x8}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x4}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x20}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x9b}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0x1}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x40001}, 0x10)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x1c1341, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller0\x00', 0x84aebfbd6349b7f2})
r1 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r2=>0x0})
r3 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r2, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
r4 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r4, 0x0, 0x10)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x1c1341, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller0\x00', 0x84aebfbd6349b7f2})
r1 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r2=>0x0})
r3 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r2, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
r4 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r4, &(0x7f00000012c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40001}, 0x10)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x1c1341, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller0\x00', 0x84aebfbd6349b7f2})
r1 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r2=>0x0})
r3 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r2, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
r4 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r4, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={0x0}, 0x1, 0x0, 0x0, 0x40001}, 0x10)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x1c1341, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller0\x00', 0x84aebfbd6349b7f2})
r1 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r2=>0x0})
r3 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r2, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
r4 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r4, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)=@newqdisc={0x44, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, r2, {0x0, 0x8}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x14, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x8, 0x2, 0x0, 0x1, [{0x4}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0x1}]}}]}, 0x44}, 0x1, 0x0, 0x0, 0x40001}, 0x10)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
program crashed: INFO: rcu detected stall in worker_thread
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
program crashed: INFO: rcu detected stall in corrupted
a never seen crash title: INFO: rcu detected stall in corrupted, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
program crashed: WARNING in rcu_check_gp_start_stall
a never seen crash title: WARNING in rcu_check_gp_start_stall, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
program crashed: INFO: rcu detected stall in worker_thread
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
program crashed: INFO: rcu detected stall in worker_thread
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x1c1341, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller0\x00', 0x84aebfbd6349b7f2})
r1 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r2=>0x0})
r3 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r2, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
r4 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r4, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)=@newqdisc={0x8c, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, r2, {0x0, 0x8}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x5c, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x50, 0x2, 0x0, 0x1, [{0x4c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x7}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x8}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x4}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x20}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x9b}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0x1}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x40001}, 0x10)

program crashed: INFO: rcu detected stall in worker_thread
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x1c1341, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller0\x00', 0x84aebfbd6349b7f2})
r1 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r2=>0x0})
r3 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r2, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
r4 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r4, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)=@newqdisc={0x8c, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, r2, {0x0, 0x8}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x5c, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x50, 0x2, 0x0, 0x1, [{0x4c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x7}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x8}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x4}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x20}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x9b}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0x1}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x40001}, 0x10)

program crashed: INFO: rcu detected stall in worker_thread
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-ioctl$TUNSETIFF-socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x1c1341, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f00000000c0)={'syzkaller0\x00', 0x84aebfbd6349b7f2})
r1 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000100)={'syzkaller0\x00', <r2=>0x0})
r3 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r2, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
r4 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r4, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000140)=@newqdisc={0x8c, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, r2, {0x0, 0x8}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x5c, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x50, 0x2, 0x0, 0x1, [{0x4c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x7}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x8}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x5}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x4}, @TCA_TAPRIO_SCHED_ENTRY_CMD={0x5, 0x2, 0x20}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x9b}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0x1}]}}]}, 0x8c}, 0x1, 0x0, 0x0, 0x40001}, 0x10)

program crashed: INFO: rcu detected stall in sock_write_iter
validation run: crashed=true
reproducing took 2h51m23.808300203s
repro crashed as (corrupted=false):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (1 GPs behind) idle=eec4/1/0x4000000000000000 softirq=16316/16316 fqs=1
rcu: 	(detected by 1, t=10502 jiffies, g=14425, q=1204 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 5283 Comm: dhcpcd Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:210
Code: 89 fb e8 23 00 00 00 48 8b 3d 34 da 61 0c 48 89 de 5b e9 33 f8 5f 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 48 8b 04 24 65 48 8b 0d d8 49 74 11 65 8b 15 f9 49 74
RSP: 0018:ffffc90000007d60 EFLAGS: 00000097
RAX: ffffffff81b2e563 RBX: 0000000000000000 RCX: 0000000000010000
RDX: ffff88802b850000 RSI: 0000000000000000 RDI: 0000000000000007
RBP: 0000000000000000 R08: ffffffff9a6a06cb R09: 1ffffffff34d40d9
R10: dffffc0000000000 R11: fffffbfff34d40da R12: 0000000000000000
R13: dffffc0000000000 R14: ffff888025e44300 R15: 0000000000000000
FS:  00007fd59e9be780(0000) GS:ffff88812527c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd59e9be708 CR3: 000000002adc0000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 cpu_max_bits_warn include/linux/cpumask.h:138 [inline]
 cpumask_check include/linux/cpumask.h:145 [inline]
 cpumask_test_cpu include/linux/cpumask.h:649 [inline]
 cpu_online include/linux/cpumask.h:1231 [inline]
 trace_hrtimer_start+0x3d/0x200 include/trace/events/timer.h:223
 debug_activate kernel/time/hrtimer.c:529 [inline]
 enqueue_hrtimer+0xb7/0x2c0 kernel/time/hrtimer.c:1109
 __run_hrtimer kernel/time/hrtimer.c:2048 [inline]
 __hrtimer_run_queues+0x4ce/0xa10 kernel/time/hrtimer.c:2096
 hrtimer_interrupt+0x448/0x910 kernel/time/hrtimer.c:2215
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1051 [inline]
 __sysvec_apic_timer_interrupt+0x102/0x430 arch/x86/kernel/apic/apic.c:1068
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1062
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:__kernel_text_address+0x29/0x30 kernel/extable.c:92
Code: 90 0f 1f 40 d6 53 48 89 fb e8 33 00 00 00 48 81 fb 00 60 9c 91 0f 93 c1 48 81 fb 60 9c b4 91 0f 92 c2 20 ca 08 c2 0f b6 c2 5b <e9> 02 53 1b 0a cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000204f180 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffffc9000204f1f0 RCX: 0000000080000000
RDX: ffffc9000204f101 RSI: ffffffff8c291100 RDI: ffffffff89760246
RBP: ffffc9000204f230 R08: ffffc9000204f600 R09: 0000000000000000
R10: ffffc9000204f1f8 R11: fffff52000409e41 R12: ffff88802b850000
R13: 00000000ffffffff R14: dffffc0000000000 R15: 1ffff92000409e3e
 unwind_get_return_address+0x4d/0x90 arch/x86/kernel/unwind_orc.c:385
 arch_stack_walk+0xfb/0x150 arch/x86/kernel/stacktrace.c:26
 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
 poison_kmalloc_redzone mm/kasan/common.c:398 [inline]
 __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:415
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __do_kmalloc_node mm/slub.c:5334 [inline]
 __kmalloc_node_track_caller_noprof+0x4d7/0x7b0 mm/slub.c:5438
 kmalloc_reserve net/core/skbuff.c:637 [inline]
 __alloc_skb+0x2bd/0x7a0 net/core/skbuff.c:715
 alloc_skb include/linux/skbuff.h:1386 [inline]
 alloc_skb_with_frags+0xc6/0x760 net/core/skbuff.c:6769
 sock_alloc_send_pskb+0x878/0x990 net/core/sock.c:3010
 unix_dgram_sendmsg+0x4da/0x17b0 net/unix/af_unix.c:2136
 sock_sendmsg_nosec net/socket.c:775 [inline]
 __sock_sendmsg net/socket.c:790 [inline]
 sock_write_iter+0x47a/0x4c0 net/socket.c:1241
 do_iter_readv_writev+0x612/0x8c0 fs/read_write.c:-1
 vfs_writev+0x343/0x990 fs/read_write.c:1058
 do_writev+0x154/0x2e0 fs/read_write.c:1104
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd59ea48407
Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
RSP: 002b:00007ffea234f120 EFLAGS: 00000202 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 00007fd59e9be780 RCX: 00007fd59ea48407
RDX: 0000000000000005 RSI: 00007ffea234f180 RDI: 000000000000000f
RBP: 000055cf8366a890 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffea236f5a0
R13: 0000000000000004 R14: 0000000000000148 R15: 00007ffea235f370
 </TASK>
rcu: rcu_preempt kthread starved for 10500 jiffies! g14425 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:28040 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5504 [inline]
 __schedule+0x17d9/0x56c0 kernel/sched/core.c:7228
 __schedule_loop kernel/sched/core.c:7307 [inline]
 schedule+0x164/0x360 kernel/sched/core.c:7322
 schedule_timeout+0x152/0x2c0 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x30c/0x11f0 kernel/rcu/tree.c:2123
 rcu_gp_kthread+0x9e/0x2b0 kernel/rcu/tree.c:2325
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 UID: 0 PID: 5778 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:csd_lock_wait kernel/smp.c:342 [inline]
RIP: 0010:smp_call_function_many_cond+0x10c0/0x14b0 kernel/smp.c:892
Code: 0c 00 83 e3 01 48 bb 00 00 00 00 00 fc ff df 75 07 e8 44 fe 0b 00 eb 37 f3 90 41 0f b6 04 1c 84 c0 75 10 41 f7 06 01 00 00 00 <74> 1e e8 29 fe 0b 00 eb e5 44 89 f1 80 e1 07 80 c1 03 38 c1 7c e3
RSP: 0018:ffffc900043ff460 EFLAGS: 00000202
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff888030a4dd00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900043ff588 R08: ffffffff903116f7 R09: 1ffffffff20622de
R10: dffffc0000000000 R11: fffffbfff20622df R12: 1ffff110170c85c5
R13: ffff8880b873c2c8 R14: ffff8880b8642e28 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88812537c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000001bd6c1feb00 CR3: 000000000e746000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1057
 __flush_tlb_multi arch/x86/include/asm/paravirt.h:46 [inline]
 flush_tlb_multi arch/x86/mm/tlb.c:1361 [inline]
 flush_tlb_mm_range+0x5c4/0x1090 arch/x86/mm/tlb.c:1451
 tlb_flush arch/x86/include/asm/tlb.h:23 [inline]
 tlb_flush_mmu_tlbonly include/asm-generic/tlb.h:509 [inline]
 tlb_flush_mmu+0x1af/0xa30 mm/mmu_gather.c:423
 tlb_finish_mmu+0xf4/0x220 mm/mmu_gather.c:549
 free_ldt_pgtables+0x192/0x360 arch/x86/kernel/ldt.c:411
 arch_exit_mmap arch/x86/include/asm/mmu_context.h:229 [inline]
 exit_mmap+0x1bf/0x9f0 mm/mmap.c:1285
 __mmput+0x118/0x420 kernel/fork.c:1181
 exit_mm+0x221/0x2d0 kernel/exit.c:610
 do_exit+0x6cd/0x2360 kernel/exit.c:992
 do_group_exit+0x22d/0x2f0 kernel/exit.c:1147
 get_signal+0x121b/0x12c0 kernel/signal.c:3038
 arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
 exit_to_user_mode_loop+0x104/0x730 kernel/entry/common.c:101
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
 do_syscall_64+0x353/0x580 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2b5475d68e
Code: Unable to access opcode bytes at 0x7f2b5475d664.
RSP: 002b:00007fff1eee5e18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6
RAX: 0000000000000000 RBX: 000055557f10e500 RCX: 00007f2b5475d68e
RDX: 00007fff1eee5e70 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fff1eee5edc R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000064 R14: 000000000002a560 R15: 00007fff1eee5f30
 </TASK>

final repro crashed as (corrupted=false):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (1 GPs behind) idle=eec4/1/0x4000000000000000 softirq=16316/16316 fqs=1
rcu: 	(detected by 1, t=10502 jiffies, g=14425, q=1204 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 5283 Comm: dhcpcd Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:210
Code: 89 fb e8 23 00 00 00 48 8b 3d 34 da 61 0c 48 89 de 5b e9 33 f8 5f 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 48 8b 04 24 65 48 8b 0d d8 49 74 11 65 8b 15 f9 49 74
RSP: 0018:ffffc90000007d60 EFLAGS: 00000097
RAX: ffffffff81b2e563 RBX: 0000000000000000 RCX: 0000000000010000
RDX: ffff88802b850000 RSI: 0000000000000000 RDI: 0000000000000007
RBP: 0000000000000000 R08: ffffffff9a6a06cb R09: 1ffffffff34d40d9
R10: dffffc0000000000 R11: fffffbfff34d40da R12: 0000000000000000
R13: dffffc0000000000 R14: ffff888025e44300 R15: 0000000000000000
FS:  00007fd59e9be780(0000) GS:ffff88812527c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd59e9be708 CR3: 000000002adc0000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 cpu_max_bits_warn include/linux/cpumask.h:138 [inline]
 cpumask_check include/linux/cpumask.h:145 [inline]
 cpumask_test_cpu include/linux/cpumask.h:649 [inline]
 cpu_online include/linux/cpumask.h:1231 [inline]
 trace_hrtimer_start+0x3d/0x200 include/trace/events/timer.h:223
 debug_activate kernel/time/hrtimer.c:529 [inline]
 enqueue_hrtimer+0xb7/0x2c0 kernel/time/hrtimer.c:1109
 __run_hrtimer kernel/time/hrtimer.c:2048 [inline]
 __hrtimer_run_queues+0x4ce/0xa10 kernel/time/hrtimer.c:2096
 hrtimer_interrupt+0x448/0x910 kernel/time/hrtimer.c:2215
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1051 [inline]
 __sysvec_apic_timer_interrupt+0x102/0x430 arch/x86/kernel/apic/apic.c:1068
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1062
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:__kernel_text_address+0x29/0x30 kernel/extable.c:92
Code: 90 0f 1f 40 d6 53 48 89 fb e8 33 00 00 00 48 81 fb 00 60 9c 91 0f 93 c1 48 81 fb 60 9c b4 91 0f 92 c2 20 ca 08 c2 0f b6 c2 5b <e9> 02 53 1b 0a cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc9000204f180 EFLAGS: 00000202
RAX: 0000000000000001 RBX: ffffc9000204f1f0 RCX: 0000000080000000
RDX: ffffc9000204f101 RSI: ffffffff8c291100 RDI: ffffffff89760246
RBP: ffffc9000204f230 R08: ffffc9000204f600 R09: 0000000000000000
R10: ffffc9000204f1f8 R11: fffff52000409e41 R12: ffff88802b850000
R13: 00000000ffffffff R14: dffffc0000000000 R15: 1ffff92000409e3e
 unwind_get_return_address+0x4d/0x90 arch/x86/kernel/unwind_orc.c:385
 arch_stack_walk+0xfb/0x150 arch/x86/kernel/stacktrace.c:26
 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
 poison_kmalloc_redzone mm/kasan/common.c:398 [inline]
 __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:415
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __do_kmalloc_node mm/slub.c:5334 [inline]
 __kmalloc_node_track_caller_noprof+0x4d7/0x7b0 mm/slub.c:5438
 kmalloc_reserve net/core/skbuff.c:637 [inline]
 __alloc_skb+0x2bd/0x7a0 net/core/skbuff.c:715
 alloc_skb include/linux/skbuff.h:1386 [inline]
 alloc_skb_with_frags+0xc6/0x760 net/core/skbuff.c:6769
 sock_alloc_send_pskb+0x878/0x990 net/core/sock.c:3010
 unix_dgram_sendmsg+0x4da/0x17b0 net/unix/af_unix.c:2136
 sock_sendmsg_nosec net/socket.c:775 [inline]
 __sock_sendmsg net/socket.c:790 [inline]
 sock_write_iter+0x47a/0x4c0 net/socket.c:1241
 do_iter_readv_writev+0x612/0x8c0 fs/read_write.c:-1
 vfs_writev+0x343/0x990 fs/read_write.c:1058
 do_writev+0x154/0x2e0 fs/read_write.c:1104
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd59ea48407
Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
RSP: 002b:00007ffea234f120 EFLAGS: 00000202 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 00007fd59e9be780 RCX: 00007fd59ea48407
RDX: 0000000000000005 RSI: 00007ffea234f180 RDI: 000000000000000f
RBP: 000055cf8366a890 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffea236f5a0
R13: 0000000000000004 R14: 0000000000000148 R15: 00007ffea235f370
 </TASK>
rcu: rcu_preempt kthread starved for 10500 jiffies! g14425 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:28040 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5504 [inline]
 __schedule+0x17d9/0x56c0 kernel/sched/core.c:7228
 __schedule_loop kernel/sched/core.c:7307 [inline]
 schedule+0x164/0x360 kernel/sched/core.c:7322
 schedule_timeout+0x152/0x2c0 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x30c/0x11f0 kernel/rcu/tree.c:2123
 rcu_gp_kthread+0x9e/0x2b0 kernel/rcu/tree.c:2325
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 UID: 0 PID: 5778 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:csd_lock_wait kernel/smp.c:342 [inline]
RIP: 0010:smp_call_function_many_cond+0x10c0/0x14b0 kernel/smp.c:892
Code: 0c 00 83 e3 01 48 bb 00 00 00 00 00 fc ff df 75 07 e8 44 fe 0b 00 eb 37 f3 90 41 0f b6 04 1c 84 c0 75 10 41 f7 06 01 00 00 00 <74> 1e e8 29 fe 0b 00 eb e5 44 89 f1 80 e1 07 80 c1 03 38 c1 7c e3
RSP: 0018:ffffc900043ff460 EFLAGS: 00000202
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff888030a4dd00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900043ff588 R08: ffffffff903116f7 R09: 1ffffffff20622de
R10: dffffc0000000000 R11: fffffbfff20622df R12: 1ffff110170c85c5
R13: ffff8880b873c2c8 R14: ffff8880b8642e28 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88812537c000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000001bd6c1feb00 CR3: 000000000e746000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1057
 __flush_tlb_multi arch/x86/include/asm/paravirt.h:46 [inline]
 flush_tlb_multi arch/x86/mm/tlb.c:1361 [inline]
 flush_tlb_mm_range+0x5c4/0x1090 arch/x86/mm/tlb.c:1451
 tlb_flush arch/x86/include/asm/tlb.h:23 [inline]
 tlb_flush_mmu_tlbonly include/asm-generic/tlb.h:509 [inline]
 tlb_flush_mmu+0x1af/0xa30 mm/mmu_gather.c:423
 tlb_finish_mmu+0xf4/0x220 mm/mmu_gather.c:549
 free_ldt_pgtables+0x192/0x360 arch/x86/kernel/ldt.c:411
 arch_exit_mmap arch/x86/include/asm/mmu_context.h:229 [inline]
 exit_mmap+0x1bf/0x9f0 mm/mmap.c:1285
 __mmput+0x118/0x420 kernel/fork.c:1181
 exit_mm+0x221/0x2d0 kernel/exit.c:610
 do_exit+0x6cd/0x2360 kernel/exit.c:992
 do_group_exit+0x22d/0x2f0 kernel/exit.c:1147
 get_signal+0x121b/0x12c0 kernel/signal.c:3038
 arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
 exit_to_user_mode_loop+0x104/0x730 kernel/entry/common.c:101
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:318 [inline]
 do_syscall_64+0x353/0x580 arch/x86/entry/syscall_64.c:100
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2b5475d68e
Code: Unable to access opcode bytes at 0x7f2b5475d664.
RSP: 002b:00007fff1eee5e18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e6
RAX: 0000000000000000 RBX: 000055557f10e500 RCX: 00007f2b5475d68e
RDX: 00007fff1eee5e70 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fff1eee5edc R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000064 R14: 000000000002a560 R15: 00007fff1eee5f30
 </TASK>