Extracting prog: 5m0.130410287s
Minimizing prog: 2h5m59.697607393s
Simplifying prog options: 8m54.224040809s
Extracting C: 4m33.072435736s
Simplifying C: 56m14.004785429s


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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x14}}, 0x0)
getsockname$packet(r1, &(0x7f00000002c0)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000900)=@newqdisc={0x30, 0x24, 0xf1d, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xfff1, 0xffff}}, [@qdisc_kind_options=@q_ingress={0xc}]}, 0x30}}, 0x0)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000580)=@newqdisc={0x34, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xd, 0xffff}}, [@qdisc_kind_options=@q_codel={{0xa}, {0x4}}]}, 0x34}}, 0x0)
r3 = socket$netlink(0x10, 0x3, 0x0)
sendmmsg(r3, &(0x7f00000002c0), 0x40000000000009f, 0x0)

program crashed: BUG: soft lockup in tc_modify_qdisc
single: successfully extracted reproducer
found reproducer with 8 syscalls
minimizing guilty program
testing program (duration=6m35.272314771s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x14}}, 0x0)
getsockname$packet(r1, &(0x7f00000002c0)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000900)=@newqdisc={0x30, 0x24, 0xf1d, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xfff1, 0xffff}}, [@qdisc_kind_options=@q_ingress={0xc}]}, 0x30}}, 0x0)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000580)=@newqdisc={0x34, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xd, 0xffff}}, [@qdisc_kind_options=@q_codel={{0xa}, {0x4}}]}, 0x34}}, 0x0)
socket$netlink(0x10, 0x3, 0x0)

program did not crash
testing program (duration=6m35.272314771s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-sendmmsg
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x14}}, 0x0)
getsockname$packet(r1, &(0x7f00000002c0)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000900)=@newqdisc={0x30, 0x24, 0xf1d, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xfff1, 0xffff}}, [@qdisc_kind_options=@q_ingress={0xc}]}, 0x30}}, 0x0)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000580)=@newqdisc={0x34, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xd, 0xffff}}, [@qdisc_kind_options=@q_codel={{0xa}, {0x4}}]}, 0x34}}, 0x0)
sendmmsg(0xffffffffffffffff, &(0x7f00000002c0), 0x40000000000009f, 0x0)

program did not crash
testing program (duration=6m35.272314771s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-socket$netlink-sendmmsg
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x14}}, 0x0)
getsockname$packet(r1, &(0x7f00000002c0)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000900)=@newqdisc={0x30, 0x24, 0xf1d, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xfff1, 0xffff}}, [@qdisc_kind_options=@q_ingress={0xc}]}, 0x30}}, 0x0)
r3 = socket$netlink(0x10, 0x3, 0x0)
sendmmsg(r3, &(0x7f00000002c0), 0x40000000000009f, 0x0)

program did not crash
testing program (duration=6m35.272314771s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-socket$netlink-sendmmsg
detailed listing:
executing program 0:
socket$netlink(0x10, 0x3, 0x0)
r0 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x14}}, 0x0)
getsockname$packet(r0, &(0x7f00000002c0)={0x11, 0x0, <r1=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000580)=@newqdisc={0x34, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x0, r1, {}, {0xd, 0xffff}}, [@qdisc_kind_options=@q_codel={{0xa}, {0x4}}]}, 0x34}}, 0x0)
r2 = socket$netlink(0x10, 0x3, 0x0)
sendmmsg(r2, &(0x7f00000002c0), 0x40000000000009f, 0x0)

program did not crash
testing program (duration=6m35.272314771s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-sendmsg$nl_route_sched-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x14}}, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000900)=@newqdisc={0x30, 0x24, 0xf1d, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, {}, {0xfff1, 0xffff}}, [@qdisc_kind_options=@q_ingress={0xc}]}, 0x30}}, 0x0)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000580)=@newqdisc={0x34, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, {}, {0xd, 0xffff}}, [@qdisc_kind_options=@q_codel={{0xa}, {0x4}}]}, 0x34}}, 0x0)
r2 = socket$netlink(0x10, 0x3, 0x0)
sendmmsg(r2, &(0x7f00000002c0), 0x40000000000009f, 0x0)

program did not crash
testing program (duration=6m35.272314771s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x3, 0x0)
getsockname$packet(r1, &(0x7f00000002c0)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000900)=@newqdisc={0x30, 0x24, 0xf1d, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xfff1, 0xffff}}, [@qdisc_kind_options=@q_ingress={0xc}]}, 0x30}}, 0x0)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000580)=@newqdisc={0x34, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xd, 0xffff}}, [@qdisc_kind_options=@q_codel={{0xa}, {0x4}}]}, 0x34}}, 0x0)
r3 = socket$netlink(0x10, 0x3, 0x0)
sendmmsg(r3, &(0x7f00000002c0), 0x40000000000009f, 0x0)

program did not crash
testing program (duration=6m35.272314771s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x14}}, 0x0)
getsockname$packet(0xffffffffffffffff, &(0x7f00000002c0)={0x11, 0x0, <r1=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000900)=@newqdisc={0x30, 0x24, 0xf1d, 0x0, 0x0, {0x0, 0x0, 0x0, r1, {}, {0xfff1, 0xffff}}, [@qdisc_kind_options=@q_ingress={0xc}]}, 0x30}}, 0x0)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000580)=@newqdisc={0x34, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x0, r1, {}, {0xd, 0xffff}}, [@qdisc_kind_options=@q_codel={{0xa}, {0x4}}]}, 0x34}}, 0x0)
r2 = socket$netlink(0x10, 0x3, 0x0)
sendmmsg(r2, &(0x7f00000002c0), 0x40000000000009f, 0x0)

program did not crash
testing program (duration=6m35.272314771s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x14}}, 0x0)
getsockname$packet(r0, &(0x7f00000002c0)={0x11, 0x0, <r1=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000900)=@newqdisc={0x30, 0x24, 0xf1d, 0x0, 0x0, {0x0, 0x0, 0x0, r1, {}, {0xfff1, 0xffff}}, [@qdisc_kind_options=@q_ingress={0xc}]}, 0x30}}, 0x0)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000580)=@newqdisc={0x34, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x0, r1, {}, {0xd, 0xffff}}, [@qdisc_kind_options=@q_codel={{0xa}, {0x4}}]}, 0x34}}, 0x0)
r2 = socket$netlink(0x10, 0x3, 0x0)
sendmmsg(r2, &(0x7f00000002c0), 0x40000000000009f, 0x0)

program did not crash
testing program (duration=6m35.272314771s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, 0x0, 0x0)
getsockname$packet(r1, &(0x7f00000002c0)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000900)=@newqdisc={0x30, 0x24, 0xf1d, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xfff1, 0xffff}}, [@qdisc_kind_options=@q_ingress={0xc}]}, 0x30}}, 0x0)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000580)=@newqdisc={0x34, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xd, 0xffff}}, [@qdisc_kind_options=@q_codel={{0xa}, {0x4}}]}, 0x34}}, 0x0)
r3 = socket$netlink(0x10, 0x3, 0x0)
sendmmsg(r3, &(0x7f00000002c0), 0x40000000000009f, 0x0)

program did not crash
testing program (duration=6m35.272314771s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000140)={0x0, 0x0, 0x0}, 0x0)
getsockname$packet(r1, &(0x7f00000002c0)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000900)=@newqdisc={0x30, 0x24, 0xf1d, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xfff1, 0xffff}}, [@qdisc_kind_options=@q_ingress={0xc}]}, 0x30}}, 0x0)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000580)=@newqdisc={0x34, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xd, 0xffff}}, [@qdisc_kind_options=@q_codel={{0xa}, {0x4}}]}, 0x34}}, 0x0)
r3 = socket$netlink(0x10, 0x3, 0x0)
sendmmsg(r3, &(0x7f00000002c0), 0x40000000000009f, 0x0)

program did not crash
testing program (duration=6m35.272314771s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x14}}, 0x0)
getsockname$packet(r1, 0x0, &(0x7f0000000100))
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000900)=@newqdisc={0x30, 0x24, 0xf1d, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, {}, {0xfff1, 0xffff}}, [@qdisc_kind_options=@q_ingress={0xc}]}, 0x30}}, 0x0)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000580)=@newqdisc={0x34, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, {}, {0xd, 0xffff}}, [@qdisc_kind_options=@q_codel={{0xa}, {0x4}}]}, 0x34}}, 0x0)
r2 = socket$netlink(0x10, 0x3, 0x0)
sendmmsg(r2, &(0x7f00000002c0), 0x40000000000009f, 0x0)

program did not crash
testing program (duration=6m35.272314771s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x14}}, 0x0)
getsockname$packet(r1, &(0x7f00000002c0)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000900)=@newqdisc={0x30, 0x24, 0xf1d, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xfff1, 0xffff}}, [@qdisc_kind_options=@q_ingress={0xc}]}, 0x30}}, 0x0)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000580)=@newqdisc={0x34, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xd, 0xffff}}, [@qdisc_kind_options=@q_codel={{0xa}, {0x4}}]}, 0x34}}, 0x0)
r3 = socket$netlink(0x10, 0x3, 0x0)
sendmmsg(r3, &(0x7f00000002c0), 0x40000000000009f, 0x0)

program did not crash
testing program (duration=6m35.272314771s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x14}}, 0x0)
getsockname$packet(r1, &(0x7f00000002c0)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14)
sendmsg$nl_route_sched(r0, 0x0, 0x0)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000580)=@newqdisc={0x34, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xd, 0xffff}}, [@qdisc_kind_options=@q_codel={{0xa}, {0x4}}]}, 0x34}}, 0x0)
r3 = socket$netlink(0x10, 0x3, 0x0)
sendmmsg(r3, &(0x7f00000002c0), 0x40000000000009f, 0x0)

program did not crash
testing program (duration=6m35.272314771s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x14}}, 0x0)
getsockname$packet(r1, &(0x7f00000002c0)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, 0x0}, 0x0)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000580)=@newqdisc={0x34, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xd, 0xffff}}, [@qdisc_kind_options=@q_codel={{0xa}, {0x4}}]}, 0x34}}, 0x0)
r3 = socket$netlink(0x10, 0x3, 0x0)
sendmmsg(r3, &(0x7f00000002c0), 0x40000000000009f, 0x0)

program did not crash
testing program (duration=6m35.272314771s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x14}}, 0x0)
getsockname$packet(r1, &(0x7f00000002c0)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000004c0)={0x0}}, 0x0)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000580)=@newqdisc={0x34, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xd, 0xffff}}, [@qdisc_kind_options=@q_codel={{0xa}, {0x4}}]}, 0x34}}, 0x0)
r3 = socket$netlink(0x10, 0x3, 0x0)
sendmmsg(r3, &(0x7f00000002c0), 0x40000000000009f, 0x0)

program did not crash
testing program (duration=6m35.272314771s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x14}}, 0x0)
getsockname$packet(r1, &(0x7f00000002c0)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000900)=@newqdisc={0x30, 0x24, 0xf1d, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xfff1, 0xffff}}, [@qdisc_kind_options=@q_ingress={0xc}]}, 0x30}}, 0x0)
sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x0)
r3 = socket$netlink(0x10, 0x3, 0x0)
sendmmsg(r3, &(0x7f00000002c0), 0x40000000000009f, 0x0)

program did not crash
testing program (duration=6m35.272314771s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x14}}, 0x0)
getsockname$packet(r1, &(0x7f00000002c0)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000900)=@newqdisc={0x30, 0x24, 0xf1d, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xfff1, 0xffff}}, [@qdisc_kind_options=@q_ingress={0xc}]}, 0x30}}, 0x0)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, 0x0}, 0x0)
r3 = socket$netlink(0x10, 0x3, 0x0)
sendmmsg(r3, &(0x7f00000002c0), 0x40000000000009f, 0x0)

program did not crash
testing program (duration=6m35.272314771s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x14}}, 0x0)
getsockname$packet(r1, &(0x7f00000002c0)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000900)=@newqdisc={0x30, 0x24, 0xf1d, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xfff1, 0xffff}}, [@qdisc_kind_options=@q_ingress={0xc}]}, 0x30}}, 0x0)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={0x0}}, 0x0)
r3 = socket$netlink(0x10, 0x3, 0x0)
sendmmsg(r3, &(0x7f00000002c0), 0x40000000000009f, 0x0)

program did not crash
testing program (duration=6m35.272314771s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x14}}, 0x0)
getsockname$packet(r1, &(0x7f00000002c0)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000900)=@newqdisc={0x30, 0x24, 0xf1d, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xfff1, 0xffff}}, [@qdisc_kind_options=@q_ingress={0xc}]}, 0x30}}, 0x0)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000580)=@newqdisc={0x34, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xd, 0xffff}}, [@qdisc_kind_options=@q_codel={{0xa}, {0x4}}]}, 0x34}}, 0x0)
r3 = socket$netlink(0x10, 0x3, 0x0)
sendmmsg(r3, 0x0, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m35.272314771s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=6m35.272314771s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x14}}, 0x0)
getsockname$packet(r1, &(0x7f00000002c0)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000900)=@newqdisc={0x30, 0x24, 0xf1d, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xfff1, 0xffff}}, [@qdisc_kind_options=@q_ingress={0xc}]}, 0x30}}, 0x0)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000580)=@newqdisc={0x34, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xd, 0xffff}}, [@qdisc_kind_options=@q_codel={{0xa}, {0x4}}]}, 0x34}}, 0x0)
r3 = socket$netlink(0x10, 0x3, 0x0)
sendmmsg(r3, &(0x7f00000002c0), 0x40000000000009f, 0x0)

program crashed: BUG: soft lockup in tc_modify_qdisc
extracting C reproducer
testing compiled C program (duration=6m35.272314771s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
program crashed: BUG: soft lockup in tc_modify_qdisc
simplifying C reproducer
testing compiled C program (duration=6m35.272314771s, {Threaded:false 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
program crashed: BUG: soft lockup in tc_modify_qdisc
testing compiled C program (duration=6m35.272314771s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m35.272314771s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m35.272314771s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m35.272314771s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m35.272314771s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
program crashed: BUG: soft lockup in tc_modify_qdisc
testing compiled C program (duration=6m35.272314771s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
program crashed: BUG: soft lockup in tc_modify_qdisc
testing compiled C program (duration=6m35.272314771s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
program crashed: BUG: soft lockup in tc_modify_qdisc
testing compiled C program (duration=6m35.272314771s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
program crashed: BUG: soft lockup in tc_modify_qdisc
testing compiled C program (duration=6m35.272314771s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
program crashed: BUG: soft lockup in tc_modify_qdisc
testing compiled C program (duration=6m35.272314771s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m35.272314771s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true 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}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
program crashed: BUG: soft lockup in tc_modify_qdisc
testing program (duration=6m35.272314771s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true 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}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x14}}, 0x0)
getsockname$packet(r1, &(0x7f00000002c0)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000900)=@newqdisc={0x30, 0x24, 0xf1d, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xfff1, 0xffff}}, [@qdisc_kind_options=@q_ingress={0xc}]}, 0x30}}, 0x0)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000580)=@newqdisc={0x34, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xd, 0xffff}}, [@qdisc_kind_options=@q_codel={{0xa}, {0x4}}]}, 0x34}}, 0x0)
r3 = socket$netlink(0x10, 0x3, 0x0)
sendmmsg(r3, &(0x7f00000002c0), 0x40000000000009f, 0x0)

program crashed: no output from test machine
validation run: crashed=true
testing program (duration=6m35.272314771s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true 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}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x14}}, 0x0)
getsockname$packet(r1, &(0x7f00000002c0)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000900)=@newqdisc={0x30, 0x24, 0xf1d, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xfff1, 0xffff}}, [@qdisc_kind_options=@q_ingress={0xc}]}, 0x30}}, 0x0)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000580)=@newqdisc={0x34, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xd, 0xffff}}, [@qdisc_kind_options=@q_codel={{0xa}, {0x4}}]}, 0x34}}, 0x0)
r3 = socket$netlink(0x10, 0x3, 0x0)
sendmmsg(r3, &(0x7f00000002c0), 0x40000000000009f, 0x0)

program crashed: no output from test machine
validation run: crashed=true
testing program (duration=6m35.272314771s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true 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}}): socket$netlink-socket-sendmsg$nl_route_sched-getsockname$packet-sendmsg$nl_route_sched-sendmsg$nl_route_sched-socket$netlink-sendmmsg
detailed listing:
executing program 0:
r0 = socket$netlink(0x10, 0x3, 0x0)
r1 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0, 0x14}}, 0x0)
getsockname$packet(r1, &(0x7f00000002c0)={0x11, 0x0, <r2=>0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000100)=0x14)
sendmsg$nl_route_sched(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000004c0)={&(0x7f0000000900)=@newqdisc={0x30, 0x24, 0xf1d, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xfff1, 0xffff}}, [@qdisc_kind_options=@q_ingress={0xc}]}, 0x30}}, 0x0)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000580)=@newqdisc={0x34, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xd, 0xffff}}, [@qdisc_kind_options=@q_codel={{0xa}, {0x4}}]}, 0x34}}, 0x0)
r3 = socket$netlink(0x10, 0x3, 0x0)
sendmmsg(r3, &(0x7f00000002c0), 0x40000000000009f, 0x0)

program crashed: BUG: soft lockup in tc_modify_qdisc
validation run: crashed=true
reproducing took 3h36m12.196340699s
repro crashed as (corrupted=false):
RBP: 00007fe742683d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe742866fac R14: 00007fe742866fa0 R15: 00007fe742866fa0
watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.2.17:385]
Modules linked in:
CPU: 1 PID: 385 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:qdisc_lookup+0x261/0x4e0 net/sched/sch_api.c:310
Code: 00 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 d2 89 ec fd 4d 8b 36 4d 85 f6 0f 84 ba 00 00 00 49 83 c6 10 4c 89 f0 <48> c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 ac 89 ec fd 4d 8b 36
RSP: 0018:ffffc90000c76da8 EFLAGS: 00000282
RAX: ffff8881266ed010 RBX: 00000000ffff0000 RCX: ffff88810ceccf00
RDX: 0000000000000000 RSI: 00000000ffff0000 RDI: 0000000000000000
RBP: ffffc90000c76dd8 R08: ffff88810ceccf00 R09: 0000000000000002
R10: 00000000ffffffff R11: 0000000000000000 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff8881266ed010 R15: ffff88810fe7e000
FS:  0000555564010500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe7424c3780 CR3: 000000010fe16000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 qdisc_tree_reduce_backlog+0x111/0x340 net/sched/sch_api.c:783
 codel_change+0x8fc/0xbe0 net/sched/sch_codel.c:180
 codel_init+0x1a8/0x390 net/sched/sch_codel.c:199
 qdisc_create+0x848/0x1220 net/sched/sch_api.c:1255
 tc_modify_qdisc+0x8a1/0x1490 net/sched/sch_api.c:-1
 rtnetlink_rcv_msg+0xa31/0xcc0 net/core/rtnetlink.c:5613
 netlink_rcv_skb+0x1f5/0x440 net/netlink/af_netlink.c:2503
 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:5631
 netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline]
 netlink_unicast+0x876/0xa40 net/netlink/af_netlink.c:1340
 netlink_sendmsg+0x89c/0xb50 net/netlink/af_netlink.c:1914
 sock_sendmsg_nosec net/socket.c:652 [inline]
 __sock_sendmsg net/socket.c:664 [inline]
 ____sys_sendmsg+0x5b7/0x8f0 net/socket.c:2376
 ___sys_sendmsg+0x236/0x2e0 net/socket.c:2430
 __sys_sendmmsg+0x2ab/0x4c0 net/socket.c:2516
 __do_sys_sendmmsg net/socket.c:2545 [inline]
 __se_sys_sendmmsg net/socket.c:2542 [inline]
 __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2542
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fe7425ede59
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:00007ffe0cb9c898 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007fe742866fa0 RCX: 00007fe7425ede59
RDX: 040000000000009f RSI: 00002000000002c0 RDI: 0000000000000005
RBP: 00007fe742683d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe742866fac R14: 00007fe742866fa0 R15: 00007fe742866fa0
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:60 [inline]
NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:103 [inline]
NMI backtrace for cpu 0 skipped: idling at default_idle+0x12/0x20 arch/x86/kernel/process.c:717

final repro crashed as (corrupted=false):
RBP: 00007fe742683d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe742866fac R14: 00007fe742866fa0 R15: 00007fe742866fa0
watchdog: BUG: soft lockup - CPU#1 stuck for 123s! [syz.2.17:385]
Modules linked in:
CPU: 1 PID: 385 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:qdisc_lookup+0x261/0x4e0 net/sched/sch_api.c:310
Code: 00 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 d2 89 ec fd 4d 8b 36 4d 85 f6 0f 84 ba 00 00 00 49 83 c6 10 4c 89 f0 <48> c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 ac 89 ec fd 4d 8b 36
RSP: 0018:ffffc90000c76da8 EFLAGS: 00000282
RAX: ffff8881266ed010 RBX: 00000000ffff0000 RCX: ffff88810ceccf00
RDX: 0000000000000000 RSI: 00000000ffff0000 RDI: 0000000000000000
RBP: ffffc90000c76dd8 R08: ffff88810ceccf00 R09: 0000000000000002
R10: 00000000ffffffff R11: 0000000000000000 R12: 0000000000000000
R13: dffffc0000000000 R14: ffff8881266ed010 R15: ffff88810fe7e000
FS:  0000555564010500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe7424c3780 CR3: 000000010fe16000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 qdisc_tree_reduce_backlog+0x111/0x340 net/sched/sch_api.c:783
 codel_change+0x8fc/0xbe0 net/sched/sch_codel.c:180
 codel_init+0x1a8/0x390 net/sched/sch_codel.c:199
 qdisc_create+0x848/0x1220 net/sched/sch_api.c:1255
 tc_modify_qdisc+0x8a1/0x1490 net/sched/sch_api.c:-1
 rtnetlink_rcv_msg+0xa31/0xcc0 net/core/rtnetlink.c:5613
 netlink_rcv_skb+0x1f5/0x440 net/netlink/af_netlink.c:2503
 rtnetlink_rcv+0x1c/0x20 net/core/rtnetlink.c:5631
 netlink_unicast_kernel net/netlink/af_netlink.c:1314 [inline]
 netlink_unicast+0x876/0xa40 net/netlink/af_netlink.c:1340
 netlink_sendmsg+0x89c/0xb50 net/netlink/af_netlink.c:1914
 sock_sendmsg_nosec net/socket.c:652 [inline]
 __sock_sendmsg net/socket.c:664 [inline]
 ____sys_sendmsg+0x5b7/0x8f0 net/socket.c:2376
 ___sys_sendmsg+0x236/0x2e0 net/socket.c:2430
 __sys_sendmmsg+0x2ab/0x4c0 net/socket.c:2516
 __do_sys_sendmmsg net/socket.c:2545 [inline]
 __se_sys_sendmmsg net/socket.c:2542 [inline]
 __x64_sys_sendmmsg+0xa0/0xb0 net/socket.c:2542
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fe7425ede59
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:00007ffe0cb9c898 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00007fe742866fa0 RCX: 00007fe7425ede59
RDX: 040000000000009f RSI: 00002000000002c0 RDI: 0000000000000005
RBP: 00007fe742683d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe742866fac R14: 00007fe742866fa0 R15: 00007fe742866fa0
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0 skipped: idling at native_safe_halt arch/x86/include/asm/irqflags.h:60 [inline]
NMI backtrace for cpu 0 skipped: idling at arch_safe_halt arch/x86/include/asm/irqflags.h:103 [inline]
NMI backtrace for cpu 0 skipped: idling at default_idle+0x12/0x20 arch/x86/kernel/process.c:717