Extracting prog: 4m53.048982065s
Minimizing prog: 3h9m9.95274013s
Simplifying prog options: 16m53.196189377s
Extracting C: 6m22.99716957s
Simplifying C: 0s


extracting reproducer from 72 programs
first checking the prog from the crash report
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$kvm-ioctl$KVM_CREATE_VM-mkdirat-mount-mkdirat-openat-write-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-socket$nl_route-socket$inet_tcp-unshare-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r2, &(0x7f0000000380)='100000', 0x6)
r3 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./cgroup.cpu/test/memory.oom_control\x00', 0x2, 0x0)
write(r3, &(0x7f0000000200)='1', 0x1)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r4, &(0x7f0000000280)='0', 0x1)
r5 = add_key$fscrypt_v1(&(0x7f0000000100), 0x0, &(0x7f00000003c0)={0x0, "98bcb94a4fdb3c8d33f986d2b6572f61fda1b1a60174e5015d5352217a274cd410ea0c76b32ac45e65b92df28b6f297396c8569e175ad27f118f7a96f5f9264a", 0x2c}, 0x48, 0xfffffffffffffffe)
keyctl$link(0x8, r5, r5)
socket$nl_route(0x10, 0x3, 0x0)
socket$inet_tcp(0x2, 0x1, 0x0)
unshare(0xc000000)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)

program crashed: INFO: task hung in show_traces_open
single: successfully extracted reproducer
found reproducer with 19 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$kvm-ioctl$KVM_CREATE_VM-mkdirat-mount-mkdirat-openat-write-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-socket$nl_route-socket$inet_tcp-unshare-mkdirat-openat
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r1, &(0x7f0000000380)='100000', 0x6)
r2 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./cgroup.cpu/test/memory.oom_control\x00', 0x2, 0x0)
write(r2, &(0x7f0000000200)='1', 0x1)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r3, &(0x7f0000000280)='0', 0x1)
r4 = add_key$fscrypt_v1(&(0x7f0000000100), 0x0, &(0x7f00000003c0)={0x0, "98bcb94a4fdb3c8d33f986d2b6572f61fda1b1a60174e5015d5352217a274cd410ea0c76b32ac45e65b92df28b6f297396c8569e175ad27f118f7a96f5f9264a", 0x2c}, 0x48, 0xfffffffffffffffe)
keyctl$link(0x8, r4, r4)
socket$nl_route(0x10, 0x3, 0x0)
socket$inet_tcp(0x2, 0x1, 0x0)
unshare(0xc000000)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 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$kvm-ioctl$KVM_CREATE_VM-mkdirat-mount-mkdirat-openat-write-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-socket$nl_route-socket$inet_tcp-unshare-mkdirat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r2, &(0x7f0000000380)='100000', 0x6)
r3 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./cgroup.cpu/test/memory.oom_control\x00', 0x2, 0x0)
write(r3, &(0x7f0000000200)='1', 0x1)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r4, &(0x7f0000000280)='0', 0x1)
r5 = add_key$fscrypt_v1(&(0x7f0000000100), 0x0, &(0x7f00000003c0)={0x0, "98bcb94a4fdb3c8d33f986d2b6572f61fda1b1a60174e5015d5352217a274cd410ea0c76b32ac45e65b92df28b6f297396c8569e175ad27f118f7a96f5f9264a", 0x2c}, 0x48, 0xfffffffffffffffe)
keyctl$link(0x8, r5, r5)
socket$nl_route(0x10, 0x3, 0x0)
socket$inet_tcp(0x2, 0x1, 0x0)
unshare(0xc000000)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
ioctl$KVM_CREATE_VCPU(r1, 0xae41, 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$kvm-ioctl$KVM_CREATE_VM-mkdirat-mount-mkdirat-openat-write-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-socket$nl_route-socket$inet_tcp-unshare-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r2, &(0x7f0000000380)='100000', 0x6)
r3 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./cgroup.cpu/test/memory.oom_control\x00', 0x2, 0x0)
write(r3, &(0x7f0000000200)='1', 0x1)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r4, &(0x7f0000000280)='0', 0x1)
r5 = add_key$fscrypt_v1(&(0x7f0000000100), 0x0, &(0x7f00000003c0)={0x0, "98bcb94a4fdb3c8d33f986d2b6572f61fda1b1a60174e5015d5352217a274cd410ea0c76b32ac45e65b92df28b6f297396c8569e175ad27f118f7a96f5f9264a", 0x2c}, 0x48, 0xfffffffffffffffe)
keyctl$link(0x8, r5, r5)
socket$nl_route(0x10, 0x3, 0x0)
socket$inet_tcp(0x2, 0x1, 0x0)
unshare(0xc000000)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(r1, 0xae41, 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$kvm-ioctl$KVM_CREATE_VM-mkdirat-mount-mkdirat-openat-write-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-socket$nl_route-socket$inet_tcp-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r2, &(0x7f0000000380)='100000', 0x6)
r3 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./cgroup.cpu/test/memory.oom_control\x00', 0x2, 0x0)
write(r3, &(0x7f0000000200)='1', 0x1)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r4, &(0x7f0000000280)='0', 0x1)
r5 = add_key$fscrypt_v1(&(0x7f0000000100), 0x0, &(0x7f00000003c0)={0x0, "98bcb94a4fdb3c8d33f986d2b6572f61fda1b1a60174e5015d5352217a274cd410ea0c76b32ac45e65b92df28b6f297396c8569e175ad27f118f7a96f5f9264a", 0x2c}, 0x48, 0xfffffffffffffffe)
keyctl$link(0x8, r5, r5)
socket$nl_route(0x10, 0x3, 0x0)
socket$inet_tcp(0x2, 0x1, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)

program crashed: INFO: task hung in show_traces_open
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$kvm-ioctl$KVM_CREATE_VM-mkdirat-mount-mkdirat-openat-write-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-socket$nl_route-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r2, &(0x7f0000000380)='100000', 0x6)
r3 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./cgroup.cpu/test/memory.oom_control\x00', 0x2, 0x0)
write(r3, &(0x7f0000000200)='1', 0x1)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r4, &(0x7f0000000280)='0', 0x1)
r5 = add_key$fscrypt_v1(&(0x7f0000000100), 0x0, &(0x7f00000003c0)={0x0, "98bcb94a4fdb3c8d33f986d2b6572f61fda1b1a60174e5015d5352217a274cd410ea0c76b32ac45e65b92df28b6f297396c8569e175ad27f118f7a96f5f9264a", 0x2c}, 0x48, 0xfffffffffffffffe)
keyctl$link(0x8, r5, r5)
socket$nl_route(0x10, 0x3, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)

program crashed: INFO: task hung in show_traces_open
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$kvm-ioctl$KVM_CREATE_VM-mkdirat-mount-mkdirat-openat-write-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r2, &(0x7f0000000380)='100000', 0x6)
r3 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./cgroup.cpu/test/memory.oom_control\x00', 0x2, 0x0)
write(r3, &(0x7f0000000200)='1', 0x1)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r4, &(0x7f0000000280)='0', 0x1)
r5 = add_key$fscrypt_v1(&(0x7f0000000100), 0x0, &(0x7f00000003c0)={0x0, "98bcb94a4fdb3c8d33f986d2b6572f61fda1b1a60174e5015d5352217a274cd410ea0c76b32ac45e65b92df28b6f297396c8569e175ad27f118f7a96f5f9264a", 0x2c}, 0x48, 0xfffffffffffffffe)
keyctl$link(0x8, r5, r5)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)

program crashed: INFO: task hung in show_traces_open
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$kvm-ioctl$KVM_CREATE_VM-mkdirat-mount-mkdirat-openat-write-openat-write-openat-write-add_key$fscrypt_v1-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r2, &(0x7f0000000380)='100000', 0x6)
r3 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./cgroup.cpu/test/memory.oom_control\x00', 0x2, 0x0)
write(r3, &(0x7f0000000200)='1', 0x1)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r4, &(0x7f0000000280)='0', 0x1)
add_key$fscrypt_v1(&(0x7f0000000100), 0x0, &(0x7f00000003c0)={0x0, "98bcb94a4fdb3c8d33f986d2b6572f61fda1b1a60174e5015d5352217a274cd410ea0c76b32ac45e65b92df28b6f297396c8569e175ad27f118f7a96f5f9264a", 0x2c}, 0x48, 0xfffffffffffffffe)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(r1, 0xae41, 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$kvm-ioctl$KVM_CREATE_VM-mkdirat-mount-mkdirat-openat-write-openat-write-openat-write-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r2, &(0x7f0000000380)='100000', 0x6)
r3 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./cgroup.cpu/test/memory.oom_control\x00', 0x2, 0x0)
write(r3, &(0x7f0000000200)='1', 0x1)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r4, &(0x7f0000000280)='0', 0x1)
keyctl$link(0x8, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(r1, 0xae41, 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$kvm-ioctl$KVM_CREATE_VM-mkdirat-mount-mkdirat-openat-write-openat-write-openat-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r2, &(0x7f0000000380)='100000', 0x6)
r3 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./cgroup.cpu/test/memory.oom_control\x00', 0x2, 0x0)
write(r3, &(0x7f0000000200)='1', 0x1)
openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
r4 = add_key$fscrypt_v1(&(0x7f0000000100), 0x0, &(0x7f00000003c0)={0x0, "98bcb94a4fdb3c8d33f986d2b6572f61fda1b1a60174e5015d5352217a274cd410ea0c76b32ac45e65b92df28b6f297396c8569e175ad27f118f7a96f5f9264a", 0x2c}, 0x48, 0xfffffffffffffffe)
keyctl$link(0x8, r4, r4)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(r1, 0xae41, 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$kvm-ioctl$KVM_CREATE_VM-mkdirat-mount-mkdirat-openat-write-openat-write-write-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r2, &(0x7f0000000380)='100000', 0x6)
r3 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./cgroup.cpu/test/memory.oom_control\x00', 0x2, 0x0)
write(r3, &(0x7f0000000200)='1', 0x1)
write(0xffffffffffffffff, &(0x7f0000000280)='0', 0x1)
r4 = add_key$fscrypt_v1(&(0x7f0000000100), 0x0, &(0x7f00000003c0)={0x0, "98bcb94a4fdb3c8d33f986d2b6572f61fda1b1a60174e5015d5352217a274cd410ea0c76b32ac45e65b92df28b6f297396c8569e175ad27f118f7a96f5f9264a", 0x2c}, 0x48, 0xfffffffffffffffe)
keyctl$link(0x8, r4, r4)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(r1, 0xae41, 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$kvm-ioctl$KVM_CREATE_VM-mkdirat-mount-mkdirat-openat-write-openat-openat-write-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r2, &(0x7f0000000380)='100000', 0x6)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./cgroup.cpu/test/memory.oom_control\x00', 0x2, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r3, &(0x7f0000000280)='0', 0x1)
r4 = add_key$fscrypt_v1(&(0x7f0000000100), 0x0, &(0x7f00000003c0)={0x0, "98bcb94a4fdb3c8d33f986d2b6572f61fda1b1a60174e5015d5352217a274cd410ea0c76b32ac45e65b92df28b6f297396c8569e175ad27f118f7a96f5f9264a", 0x2c}, 0x48, 0xfffffffffffffffe)
keyctl$link(0x8, r4, r4)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)

program crashed: INFO: task hung in show_traces_open
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$kvm-ioctl$KVM_CREATE_VM-mkdirat-mount-mkdirat-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r2, &(0x7f0000000380)='100000', 0x6)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r3, &(0x7f0000000280)='0', 0x1)
r4 = add_key$fscrypt_v1(&(0x7f0000000100), 0x0, &(0x7f00000003c0)={0x0, "98bcb94a4fdb3c8d33f986d2b6572f61fda1b1a60174e5015d5352217a274cd410ea0c76b32ac45e65b92df28b6f297396c8569e175ad27f118f7a96f5f9264a", 0x2c}, 0x48, 0xfffffffffffffffe)
keyctl$link(0x8, r4, r4)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)

program crashed: INFO: task hung in show_traces_open
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$kvm-ioctl$KVM_CREATE_VM-mkdirat-mount-mkdirat-openat-openat-write-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='0', 0x1)
r3 = add_key$fscrypt_v1(&(0x7f0000000100), 0x0, &(0x7f00000003c0)={0x0, "98bcb94a4fdb3c8d33f986d2b6572f61fda1b1a60174e5015d5352217a274cd410ea0c76b32ac45e65b92df28b6f297396c8569e175ad27f118f7a96f5f9264a", 0x2c}, 0x48, 0xfffffffffffffffe)
keyctl$link(0x8, r3, r3)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(r1, 0xae41, 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$kvm-ioctl$KVM_CREATE_VM-mkdirat-mount-mkdirat-write-openat-write-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
write(0xffffffffffffffff, &(0x7f0000000380)='100000', 0x6)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r2, &(0x7f0000000280)='0', 0x1)
r3 = add_key$fscrypt_v1(&(0x7f0000000100), 0x0, &(0x7f00000003c0)={0x0, "98bcb94a4fdb3c8d33f986d2b6572f61fda1b1a60174e5015d5352217a274cd410ea0c76b32ac45e65b92df28b6f297396c8569e175ad27f118f7a96f5f9264a", 0x2c}, 0x48, 0xfffffffffffffffe)
keyctl$link(0x8, r3, r3)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(r1, 0xae41, 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$kvm-ioctl$KVM_CREATE_VM-mkdirat-mount-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r2, &(0x7f0000000380)='100000', 0x6)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r3, &(0x7f0000000280)='0', 0x1)
r4 = add_key$fscrypt_v1(&(0x7f0000000100), 0x0, &(0x7f00000003c0)={0x0, "98bcb94a4fdb3c8d33f986d2b6572f61fda1b1a60174e5015d5352217a274cd410ea0c76b32ac45e65b92df28b6f297396c8569e175ad27f118f7a96f5f9264a", 0x2c}, 0x48, 0xfffffffffffffffe)
keyctl$link(0x8, r4, r4)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(r1, 0xae41, 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$kvm-ioctl$KVM_CREATE_VM-mkdirat-mkdirat-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r2, &(0x7f0000000380)='100000', 0x6)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r3, &(0x7f0000000280)='0', 0x1)
r4 = add_key$fscrypt_v1(&(0x7f0000000100), 0x0, &(0x7f00000003c0)={0x0, "98bcb94a4fdb3c8d33f986d2b6572f61fda1b1a60174e5015d5352217a274cd410ea0c76b32ac45e65b92df28b6f297396c8569e175ad27f118f7a96f5f9264a", 0x2c}, 0x48, 0xfffffffffffffffe)
keyctl$link(0x8, r4, r4)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(r1, 0xae41, 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$kvm-ioctl$KVM_CREATE_VM-mount-mkdirat-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r2, &(0x7f0000000380)='100000', 0x6)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r3, &(0x7f0000000280)='0', 0x1)
r4 = add_key$fscrypt_v1(&(0x7f0000000100), 0x0, &(0x7f00000003c0)={0x0, "98bcb94a4fdb3c8d33f986d2b6572f61fda1b1a60174e5015d5352217a274cd410ea0c76b32ac45e65b92df28b6f297396c8569e175ad27f118f7a96f5f9264a", 0x2c}, 0x48, 0xfffffffffffffffe)
keyctl$link(0x8, r4, r4)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)

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$kvm-mkdirat-mount-mkdirat-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r0, &(0x7f0000000380)='100000', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='0', 0x1)
r2 = add_key$fscrypt_v1(&(0x7f0000000100), 0x0, &(0x7f00000003c0)={0x0, "98bcb94a4fdb3c8d33f986d2b6572f61fda1b1a60174e5015d5352217a274cd410ea0c76b32ac45e65b92df28b6f297396c8569e175ad27f118f7a96f5f9264a", 0x2c}, 0x48, 0xfffffffffffffffe)
keyctl$link(0x8, r2, r2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0)

program crashed: INFO: task hung in show_traces_open
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}}): mkdirat-mount-mkdirat-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r0, &(0x7f0000000380)='100000', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='0', 0x1)
r2 = add_key$fscrypt_v1(&(0x7f0000000100), 0x0, &(0x7f00000003c0)={0x0, "98bcb94a4fdb3c8d33f986d2b6572f61fda1b1a60174e5015d5352217a274cd410ea0c76b32ac45e65b92df28b6f297396c8569e175ad27f118f7a96f5f9264a", 0x2c}, 0x48, 0xfffffffffffffffe)
keyctl$link(0x8, r2, r2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0)

program crashed: INFO: task hung in show_traces_open
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}}): mkdirat-mount-mkdirat-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r0, &(0x7f0000000380)='100000', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='0', 0x1)
r2 = add_key$fscrypt_v1(&(0x7f0000000100), 0x0, &(0x7f00000003c0)={0x0, "98bcb94a4fdb3c8d33f986d2b6572f61fda1b1a60174e5015d5352217a274cd410ea0c76b32ac45e65b92df28b6f297396c8569e175ad27f118f7a96f5f9264a", 0x2c}, 0x48, 0xfffffffffffffffe)
keyctl$link(0x8, r2, r2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 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}}): mkdirat-mount-mkdirat-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, 0x0, &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r0, &(0x7f0000000380)='100000', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='0', 0x1)
r2 = add_key$fscrypt_v1(&(0x7f0000000100), 0x0, &(0x7f00000003c0)={0x0, "98bcb94a4fdb3c8d33f986d2b6572f61fda1b1a60174e5015d5352217a274cd410ea0c76b32ac45e65b92df28b6f297396c8569e175ad27f118f7a96f5f9264a", 0x2c}, 0x48, 0xfffffffffffffffe)
keyctl$link(0x8, r2, r2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 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}}): mkdirat-mount-mkdirat-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', 0x0, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r0, &(0x7f0000000380)='100000', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='0', 0x1)
r2 = add_key$fscrypt_v1(&(0x7f0000000100), 0x0, &(0x7f00000003c0)={0x0, "98bcb94a4fdb3c8d33f986d2b6572f61fda1b1a60174e5015d5352217a274cd410ea0c76b32ac45e65b92df28b6f297396c8569e175ad27f118f7a96f5f9264a", 0x2c}, 0x48, 0xfffffffffffffffe)
keyctl$link(0x8, r2, r2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 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}}): mkdirat-mount-mkdirat-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x777)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r0, &(0x7f0000000380)='100000', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='0', 0x1)
r2 = add_key$fscrypt_v1(&(0x7f0000000100), 0x0, &(0x7f00000003c0)={0x0, "98bcb94a4fdb3c8d33f986d2b6572f61fda1b1a60174e5015d5352217a274cd410ea0c76b32ac45e65b92df28b6f297396c8569e175ad27f118f7a96f5f9264a", 0x2c}, 0x48, 0xfffffffffffffffe)
keyctl$link(0x8, r2, r2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 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}}): mkdirat-mount-mkdirat-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r0 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
write(r0, &(0x7f0000000380)='100000', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='0', 0x1)
r2 = add_key$fscrypt_v1(&(0x7f0000000100), 0x0, &(0x7f00000003c0)={0x0, "98bcb94a4fdb3c8d33f986d2b6572f61fda1b1a60174e5015d5352217a274cd410ea0c76b32ac45e65b92df28b6f297396c8569e175ad27f118f7a96f5f9264a", 0x2c}, 0x48, 0xfffffffffffffffe)
keyctl$link(0x8, r2, r2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 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}}): mkdirat-mount-mkdirat-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r0, 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='0', 0x1)
r2 = add_key$fscrypt_v1(&(0x7f0000000100), 0x0, &(0x7f00000003c0)={0x0, "98bcb94a4fdb3c8d33f986d2b6572f61fda1b1a60174e5015d5352217a274cd410ea0c76b32ac45e65b92df28b6f297396c8569e175ad27f118f7a96f5f9264a", 0x2c}, 0x48, 0xfffffffffffffffe)
keyctl$link(0x8, r2, r2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 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}}): mkdirat-mount-mkdirat-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r0, &(0x7f0000000380), 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='0', 0x1)
r2 = add_key$fscrypt_v1(&(0x7f0000000100), 0x0, &(0x7f00000003c0)={0x0, "98bcb94a4fdb3c8d33f986d2b6572f61fda1b1a60174e5015d5352217a274cd410ea0c76b32ac45e65b92df28b6f297396c8569e175ad27f118f7a96f5f9264a", 0x2c}, 0x48, 0xfffffffffffffffe)
keyctl$link(0x8, r2, r2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 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}}): mkdirat-mount-mkdirat-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r0, &(0x7f0000000380)='100000', 0x6)
r1 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
write(r1, &(0x7f0000000280)='0', 0x1)
r2 = add_key$fscrypt_v1(&(0x7f0000000100), 0x0, &(0x7f00000003c0)={0x0, "98bcb94a4fdb3c8d33f986d2b6572f61fda1b1a60174e5015d5352217a274cd410ea0c76b32ac45e65b92df28b6f297396c8569e175ad27f118f7a96f5f9264a", 0x2c}, 0x48, 0xfffffffffffffffe)
keyctl$link(0x8, r2, r2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 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}}): mkdirat-mount-mkdirat-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r0, &(0x7f0000000380)='100000', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r1, 0x0, 0x0)
r2 = add_key$fscrypt_v1(&(0x7f0000000100), 0x0, &(0x7f00000003c0)={0x0, "98bcb94a4fdb3c8d33f986d2b6572f61fda1b1a60174e5015d5352217a274cd410ea0c76b32ac45e65b92df28b6f297396c8569e175ad27f118f7a96f5f9264a", 0x2c}, 0x48, 0xfffffffffffffffe)
keyctl$link(0x8, r2, r2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 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}}): mkdirat-mount-mkdirat-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r0, &(0x7f0000000380)='100000', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280), 0x0)
r2 = add_key$fscrypt_v1(&(0x7f0000000100), 0x0, &(0x7f00000003c0)={0x0, "98bcb94a4fdb3c8d33f986d2b6572f61fda1b1a60174e5015d5352217a274cd410ea0c76b32ac45e65b92df28b6f297396c8569e175ad27f118f7a96f5f9264a", 0x2c}, 0x48, 0xfffffffffffffffe)
keyctl$link(0x8, r2, r2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 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}}): mkdirat-mount-mkdirat-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r0, &(0x7f0000000380)='100000', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='0', 0x1)
r2 = add_key$fscrypt_v1(0x0, 0x0, &(0x7f00000003c0)={0x0, "98bcb94a4fdb3c8d33f986d2b6572f61fda1b1a60174e5015d5352217a274cd410ea0c76b32ac45e65b92df28b6f297396c8569e175ad27f118f7a96f5f9264a", 0x2c}, 0x48, 0xfffffffffffffffe)
keyctl$link(0x8, r2, r2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0)

program crashed: INFO: task hung in show_traces_open
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}}): mkdirat-mount-mkdirat-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r0, &(0x7f0000000380)='100000', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='0', 0x1)
r2 = add_key$fscrypt_v1(0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe)
keyctl$link(0x8, r2, r2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0)

program crashed: INFO: task hung in show_traces_open
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}}): mkdirat-mount-mkdirat-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r0, &(0x7f0000000380)='100000', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='0', 0x1)
r2 = add_key$fscrypt_v1(0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe)
keyctl$link(0x8, r2, r2)
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 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}}): mkdirat-mount-mkdirat-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r0, &(0x7f0000000380)='100000', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='0', 0x1)
r2 = add_key$fscrypt_v1(0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe)
keyctl$link(0x8, r2, r2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, 0x0, 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0)

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}}): mkdirat-mount-mkdirat-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r0, &(0x7f0000000380)='100000', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='0', 0x1)
r2 = add_key$fscrypt_v1(0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe)
keyctl$link(0x8, r2, r2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0)

program crashed: INFO: task hung in show_traces_open
extracting 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}}): mkdirat-mount-mkdirat-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r0, &(0x7f0000000380)='100000', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='0', 0x1)
r2 = add_key$fscrypt_v1(0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe)
keyctl$link(0x8, r2, r2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0)

program did not crash
testing 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}}): mkdirat-mount-mkdirat-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r0, &(0x7f0000000380)='100000', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='0', 0x1)
r2 = add_key$fscrypt_v1(0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe)
keyctl$link(0x8, r2, r2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0)

program crashed: INFO: task hung in show_traces_open
validation run: crashed=true
testing 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}}): mkdirat-mount-mkdirat-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r0, &(0x7f0000000380)='100000', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='0', 0x1)
r2 = add_key$fscrypt_v1(0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe)
keyctl$link(0x8, r2, r2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0)

program crashed: INFO: task hung in show_traces_open
validation run: crashed=true
testing 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}}): mkdirat-mount-mkdirat-openat-write-openat-write-add_key$fscrypt_v1-keyctl$link-mkdirat-openat-ioctl$KVM_CREATE_VCPU
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ef)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/test\x00', 0x777)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./cgroup.cpu/test/memory.limit_in_bytes\x00', 0x2, 0x0)
write(r0, &(0x7f0000000380)='100000', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./cgroup.cpu/test/cgroup.procs\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='0', 0x1)
r2 = add_key$fscrypt_v1(0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffe)
keyctl$link(0x8, r2, r2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./tracefs/available_tracers\x00', 0x1b, 0x0)
ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0)

program crashed: INFO: task hung in show_traces_open
validation run: crashed=true
reproducing took 3h47m2.632064016s
repro crashed as (corrupted=false):
INFO: task syz.3.20:4495 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.20        state:D stack:26736 pid:4495  ppid:4399   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5246 [inline]
 __schedule+0x107f/0x4030 kernel/sched/core.c:6563
 schedule+0xb9/0x180 kernel/sched/core.c:6639
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6698
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x548/0xae0 kernel/locking/mutex.c:747
 trace_array_get kernel/trace/trace.c:461 [inline]
 tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
 do_dentry_open+0x7dd/0x10b0 fs/open.c:882
 do_open fs/namei.c:3677 [inline]
 path_openat+0x2674/0x2f10 fs/namei.c:3834
 do_filp_open+0x1ee/0x420 fs/namei.c:3861
 do_sys_openat2+0x14b/0x4f0 fs/open.c:1320
 do_sys_open fs/open.c:1336 [inline]
 __do_sys_openat fs/open.c:1352 [inline]
 __se_sys_openat fs/open.c:1347 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1347
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f6a1119e159
RSP: 002b:00007ffe2e9ad638 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f6a11425fa0 RCX: 00007f6a1119e159
RDX: 000000000000001b RSI: 0000200000000080 RDI: ffffffffffffff9c
RBP: 00007f6a1123506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6a11425fac R14: 00007f6a11425fa0 R15: 00007f6a11425fa0
 </TASK>
INFO: task syz.1.18:4496 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.18        state:D stack:26736 pid:4496  ppid:4401   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5246 [inline]
 __schedule+0x107f/0x4030 kernel/sched/core.c:6563
 schedule+0xb9/0x180 kernel/sched/core.c:6639
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6698
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x548/0xae0 kernel/locking/mutex.c:747
 trace_array_get kernel/trace/trace.c:461 [inline]
 tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
 do_dentry_open+0x7dd/0x10b0 fs/open.c:882
 do_open fs/namei.c:3677 [inline]
 path_openat+0x2674/0x2f10 fs/namei.c:3834
 do_filp_open+0x1ee/0x420 fs/namei.c:3861
 do_sys_openat2+0x14b/0x4f0 fs/open.c:1320
 do_sys_open fs/open.c:1336 [inline]
 __do_sys_openat fs/open.c:1352 [inline]
 __se_sys_openat fs/open.c:1347 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1347
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f5410b9e159
RSP: 002b:00007ffe8c101f58 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f5410e25fa0 RCX: 00007f5410b9e159
RDX: 000000000000001b RSI: 0000200000000080 RDI: ffffffffffffff9c
RBP: 00007f5410c3506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5410e25fac R14: 00007f5410e25fa0 R15: 00007f5410e25fa0
 </TASK>
INFO: task syz.4.21:4498 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.21        state:D stack:26704 pid:4498  ppid:4395   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5246 [inline]
 __schedule+0x107f/0x4030 kernel/sched/core.c:6563
 schedule+0xb9/0x180 kernel/sched/core.c:6639
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6698
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x548/0xae0 kernel/locking/mutex.c:747
 trace_array_get kernel/trace/trace.c:461 [inline]
 tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
 do_dentry_open+0x7dd/0x10b0 fs/open.c:882
 do_open fs/namei.c:3677 [inline]
 path_openat+0x2674/0x2f10 fs/namei.c:3834
 do_filp_open+0x1ee/0x420 fs/namei.c:3861
 do_sys_openat2+0x14b/0x4f0 fs/open.c:1320
 do_sys_open fs/open.c:1336 [inline]
 __do_sys_openat fs/open.c:1352 [inline]
 __se_sys_openat fs/open.c:1347 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1347
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f0d26b9e159
RSP: 002b:00007ffff9ef2b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f0d26e25fa0 RCX: 00007f0d26b9e159
RDX: 000000000000001b RSI: 0000200000000080 RDI: ffffffffffffff9c
RBP: 00007f0d26c3506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0d26e25fac R14: 00007f0d26e25fa0 R15: 00007f0d26e25fa0
 </TASK>
INFO: task syz.2.19:4499 blocked for more than 145 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.19        state:D stack:26736 pid:4499  ppid:4397   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5246 [inline]
 __schedule+0x107f/0x4030 kernel/sched/core.c:6563
 schedule+0xb9/0x180 kernel/sched/core.c:6639
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6698
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x548/0xae0 kernel/locking/mutex.c:747
 trace_array_get kernel/trace/trace.c:461 [inline]
 tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
 do_dentry_open+0x7dd/0x10b0 fs/open.c:882
 do_open fs/namei.c:3677 [inline]
 path_openat+0x2674/0x2f10 fs/namei.c:3834
 do_filp_open+0x1ee/0x420 fs/namei.c:3861
 do_sys_openat2+0x14b/0x4f0 fs/open.c:1320
 do_sys_open fs/open.c:1336 [inline]
 __do_sys_openat fs/open.c:1352 [inline]
 __se_sys_openat fs/open.c:1347 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1347
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fe54999e159
RSP: 002b:00007ffc8eb107e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fe549c25fa0 RCX: 00007fe54999e159
RDX: 000000000000001b RSI: 0000200000000080 RDI: ffffffffffffff9c
RBP: 00007fe549a3506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe549c25fac R14: 00007fe549c25fa0 R15: 00007fe549c25fa0
 </TASK>
INFO: task syz.5.22:4520 blocked for more than 146 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.5.22        state:D stack:26736 pid:4520  ppid:4502   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5246 [inline]
 __schedule+0x107f/0x4030 kernel/sched/core.c:6563
 schedule+0xb9/0x180 kernel/sched/core.c:6639
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6698
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x548/0xae0 kernel/locking/mutex.c:747
 trace_array_get kernel/trace/trace.c:461 [inline]
 tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
 do_dentry_open+0x7dd/0x10b0 fs/open.c:882
 do_open fs/namei.c:3677 [inline]
 path_openat+0x2674/0x2f10 fs/namei.c:3834
 do_filp_open+0x1ee/0x420 fs/namei.c:3861
 do_sys_openat2+0x14b/0x4f0 fs/open.c:1320
 do_sys_open fs/open.c:1336 [inline]
 __do_sys_openat fs/open.c:1352 [inline]
 __se_sys_openat fs/open.c:1347 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1347
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f3fbc59e159
RSP: 002b:00007ffeacda05a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f3fbc825fa0 RCX: 00007f3fbc59e159
RDX: 000000000000001b RSI: 0000200000000080 RDI: ffffffffffffff9c
RBP: 00007f3fbc63506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3fbc825fac R14: 00007f3fbc825fa0 R15: 00007f3fbc825fa0
 </TASK>

Showing all locks held in the system:
2 locks held by kworker/u4:0/9:
1 lock held by rcu_tasks_kthre/12:
 #0: 
ffffffff8cb2e170
 (
rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x33/0xef0 kernel/rcu/tasks.h:517
1 lock held by rcu_tasks_trace/13:
 #0: ffffffff8cb2e990 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x33/0xef0 kernel/rcu/tasks.h:517
1 lock held by khungtaskd/28:
 #0: ffffffff8cb2d7e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline]
 #0: ffffffff8cb2d7e0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:791 [inline]
 #0: ffffffff8cb2d7e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290 kernel/locking/lockdep.c:6529
2 locks held by getty/4028:
 #0: 
ffff88814d340098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
 #1: ffffc9000327b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41e/0x1360 drivers/tty/n_tty.c:2198
3 locks held by kworker/u4:5/4312:
6 locks held by syz.0.17/4447:
1 lock held by syz.3.20/4495:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.1.18/4496:
 #0: ffffffff8cb77408
 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.4.21/4498:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.2.19/4499:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.5.22/4520:
 #0: 
ffffffff8cb77408
 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.6.23/4592:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz-executor/4601:
 #0: ffffffff8cb334b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline]
 #0: ffffffff8cb334b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x2ec/0x890 kernel/rcu/tree_exp.h:962
1 lock held by syz.8.25/4604:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.7.24/4609:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.9.26/4610:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.3.35/4693:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.1.39/4701:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.2.42/4716:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.4.44/4721:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.5.74/4776:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}
, at: trace_array_get kernel/trace/trace.c:461 [inline]
, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.6.80/4811:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.8.85/4835:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.7.89/4841:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.9.104/4879:
 #0: 
ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.3.117/4912:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
3 locks held by syz-executor/4917:
1 lock held by syz.1.124/4940:
 #0: 
ffffffff8cb77408
 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.2.127/4942:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
5 locks held by syz-executor/4943:
 #0: ffff88807f1ac460 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x270/0x9a0 fs/read_write.c:580
 #1: ffff88804b888888 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1d8/0x520 fs/kernfs/file.c:343
 #2: ffff888027639cb8 (kn->active#59){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff888027639cb8 (kn->active#59){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x232/0x520 fs/kernfs/file.c:344
 #3: ffffffff8d669d08 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xd3/0x370 drivers/net/netdevsim/bus.c:209
 #4: ffff888018a990e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline]
 #4: ffff888018a990e8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1099 [inline]
 #4: ffff888018a990e8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xb1/0x7c0 drivers/base/dd.c:1302

=============================================

NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0x188/0x24e lib/dump_stack.c:106
 nmi_cpu_backtrace+0x3e6/0x460 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x1d4/0x450 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
 watchdog+0xf0e/0xf50 kernel/hung_task.c:377
 kthread+0x29d/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4917 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:io_serial_out+0x78/0xb0 drivers/tty/serial/8250/8250_port.c:468
Code: a3 fa fc 44 89 f9 d3 e5 49 83 c6 40 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 f0 e7 4b fd 41 03 2e 89 d8 89 ea ee <5b> 41 5c 41 5e 41 5f 5d c3 44 89 f9 80 e1 07 38 c1 7c aa 4c 89 ff
RSP: 0018:ffffc90005546790 EFLAGS: 00000006
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 00000000000003f9 RSI: 0000000000000000 RDI: 0000000000000020
RBP: 00000000000003f9 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000aa8cd4 R12: dffffc0000000000
R13: ffffffff96f9d618 R14: ffffffff96f9d600 R15: 0000000000000000
FS:  0000555571c2f500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcda0fef2f8 CR3: 000000004aefd000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 serial_out drivers/tty/serial/8250/8250.h:122 [inline]
 serial8250_clear_IER drivers/tty/serial/8250/8250_port.c:-1 [inline]
 serial8250_console_write+0x2eb/0x18b0 drivers/tty/serial/8250/8250_port.c:3444
 call_console_driver kernel/printk/printk.c:1977 [inline]
 console_emit_next_record+0x795/0xb50 kernel/printk/printk.c:2777
 console_flush_all kernel/printk/printk.c:-1 [inline]
 console_unlock+0x223/0x630 kernel/printk/printk.c:2906
 vprintk_emit+0x4b3/0x6a0 kernel/printk/printk.c:2303
 _printk+0xda/0x130 kernel/printk/printk.c:2328
 batadv_check_known_mac_addr+0x29a/0x3e0 net/batman-adv/hard-interface.c:525
 batadv_hard_if_event+0x490/0x1510 net/batman-adv/hard-interface.c:992
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xcb/0x160 kernel/notifier.c:455
 call_netdevice_notifiers_extack net/core/dev.c:2052 [inline]
 call_netdevice_notifiers net/core/dev.c:2066 [inline]
 dev_set_mac_address+0x2ed/0x400 net/core/dev.c:8937
 dev_set_mac_address_user+0x2d/0x50 net/core/dev.c:8951
 do_setlink+0x7eb/0x29c0 net/core/rtnetlink.c:2800
 __rtnl_newlink net/core/rtnetlink.c:3622 [inline]
 rtnl_newlink+0x16e4/0x1f90 net/core/rtnetlink.c:3669
 rtnetlink_rcv_msg+0x863/0xfb0 net/core/rtnetlink.c:6166
 netlink_rcv_skb+0x1ef/0x440 net/netlink/af_netlink.c:2516
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x7ad/0x920 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x8ad/0xbd0 net/netlink/af_netlink.c:1877
 sock_sendmsg_nosec net/socket.c:718 [inline]
 __sock_sendmsg net/socket.c:730 [inline]
 __sys_sendto+0x497/0x650 net/socket.c:2153
 __do_sys_sendto net/socket.c:2165 [inline]
 __se_sys_sendto net/socket.c:2161 [inline]
 __x64_sys_sendto+0xda/0xf0 net/socket.c:2161
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f8f96d5e98e
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007ffe7fe12588 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000555571c2f500 RCX: 00007f8f96d5e98e
RDX: 000000000000002c RSI: 00007f8f97b54670 RDI: 0000000000000003
RBP: 0000000000000001 R08: 00007ffe7fe12604 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f8f97b54670 R15: 0000000000000000
 </TASK>

final repro crashed as (corrupted=false):
INFO: task syz.3.20:4495 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.20        state:D stack:26736 pid:4495  ppid:4399   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5246 [inline]
 __schedule+0x107f/0x4030 kernel/sched/core.c:6563
 schedule+0xb9/0x180 kernel/sched/core.c:6639
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6698
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x548/0xae0 kernel/locking/mutex.c:747
 trace_array_get kernel/trace/trace.c:461 [inline]
 tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
 do_dentry_open+0x7dd/0x10b0 fs/open.c:882
 do_open fs/namei.c:3677 [inline]
 path_openat+0x2674/0x2f10 fs/namei.c:3834
 do_filp_open+0x1ee/0x420 fs/namei.c:3861
 do_sys_openat2+0x14b/0x4f0 fs/open.c:1320
 do_sys_open fs/open.c:1336 [inline]
 __do_sys_openat fs/open.c:1352 [inline]
 __se_sys_openat fs/open.c:1347 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1347
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f6a1119e159
RSP: 002b:00007ffe2e9ad638 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f6a11425fa0 RCX: 00007f6a1119e159
RDX: 000000000000001b RSI: 0000200000000080 RDI: ffffffffffffff9c
RBP: 00007f6a1123506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6a11425fac R14: 00007f6a11425fa0 R15: 00007f6a11425fa0
 </TASK>
INFO: task syz.1.18:4496 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.18        state:D stack:26736 pid:4496  ppid:4401   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5246 [inline]
 __schedule+0x107f/0x4030 kernel/sched/core.c:6563
 schedule+0xb9/0x180 kernel/sched/core.c:6639
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6698
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x548/0xae0 kernel/locking/mutex.c:747
 trace_array_get kernel/trace/trace.c:461 [inline]
 tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
 do_dentry_open+0x7dd/0x10b0 fs/open.c:882
 do_open fs/namei.c:3677 [inline]
 path_openat+0x2674/0x2f10 fs/namei.c:3834
 do_filp_open+0x1ee/0x420 fs/namei.c:3861
 do_sys_openat2+0x14b/0x4f0 fs/open.c:1320
 do_sys_open fs/open.c:1336 [inline]
 __do_sys_openat fs/open.c:1352 [inline]
 __se_sys_openat fs/open.c:1347 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1347
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f5410b9e159
RSP: 002b:00007ffe8c101f58 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f5410e25fa0 RCX: 00007f5410b9e159
RDX: 000000000000001b RSI: 0000200000000080 RDI: ffffffffffffff9c
RBP: 00007f5410c3506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5410e25fac R14: 00007f5410e25fa0 R15: 00007f5410e25fa0
 </TASK>
INFO: task syz.4.21:4498 blocked for more than 144 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.21        state:D stack:26704 pid:4498  ppid:4395   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5246 [inline]
 __schedule+0x107f/0x4030 kernel/sched/core.c:6563
 schedule+0xb9/0x180 kernel/sched/core.c:6639
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6698
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x548/0xae0 kernel/locking/mutex.c:747
 trace_array_get kernel/trace/trace.c:461 [inline]
 tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
 do_dentry_open+0x7dd/0x10b0 fs/open.c:882
 do_open fs/namei.c:3677 [inline]
 path_openat+0x2674/0x2f10 fs/namei.c:3834
 do_filp_open+0x1ee/0x420 fs/namei.c:3861
 do_sys_openat2+0x14b/0x4f0 fs/open.c:1320
 do_sys_open fs/open.c:1336 [inline]
 __do_sys_openat fs/open.c:1352 [inline]
 __se_sys_openat fs/open.c:1347 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1347
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f0d26b9e159
RSP: 002b:00007ffff9ef2b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f0d26e25fa0 RCX: 00007f0d26b9e159
RDX: 000000000000001b RSI: 0000200000000080 RDI: ffffffffffffff9c
RBP: 00007f0d26c3506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0d26e25fac R14: 00007f0d26e25fa0 R15: 00007f0d26e25fa0
 </TASK>
INFO: task syz.2.19:4499 blocked for more than 145 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.19        state:D stack:26736 pid:4499  ppid:4397   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5246 [inline]
 __schedule+0x107f/0x4030 kernel/sched/core.c:6563
 schedule+0xb9/0x180 kernel/sched/core.c:6639
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6698
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x548/0xae0 kernel/locking/mutex.c:747
 trace_array_get kernel/trace/trace.c:461 [inline]
 tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
 do_dentry_open+0x7dd/0x10b0 fs/open.c:882
 do_open fs/namei.c:3677 [inline]
 path_openat+0x2674/0x2f10 fs/namei.c:3834
 do_filp_open+0x1ee/0x420 fs/namei.c:3861
 do_sys_openat2+0x14b/0x4f0 fs/open.c:1320
 do_sys_open fs/open.c:1336 [inline]
 __do_sys_openat fs/open.c:1352 [inline]
 __se_sys_openat fs/open.c:1347 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1347
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fe54999e159
RSP: 002b:00007ffc8eb107e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fe549c25fa0 RCX: 00007fe54999e159
RDX: 000000000000001b RSI: 0000200000000080 RDI: ffffffffffffff9c
RBP: 00007fe549a3506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe549c25fac R14: 00007fe549c25fa0 R15: 00007fe549c25fa0
 </TASK>
INFO: task syz.5.22:4520 blocked for more than 146 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.5.22        state:D stack:26736 pid:4520  ppid:4502   flags:0x00004004
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5246 [inline]
 __schedule+0x107f/0x4030 kernel/sched/core.c:6563
 schedule+0xb9/0x180 kernel/sched/core.c:6639
 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6698
 __mutex_lock_common kernel/locking/mutex.c:679 [inline]
 __mutex_lock+0x548/0xae0 kernel/locking/mutex.c:747
 trace_array_get kernel/trace/trace.c:461 [inline]
 tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
 do_dentry_open+0x7dd/0x10b0 fs/open.c:882
 do_open fs/namei.c:3677 [inline]
 path_openat+0x2674/0x2f10 fs/namei.c:3834
 do_filp_open+0x1ee/0x420 fs/namei.c:3861
 do_sys_openat2+0x14b/0x4f0 fs/open.c:1320
 do_sys_open fs/open.c:1336 [inline]
 __do_sys_openat fs/open.c:1352 [inline]
 __se_sys_openat fs/open.c:1347 [inline]
 __x64_sys_openat+0x135/0x160 fs/open.c:1347
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f3fbc59e159
RSP: 002b:00007ffeacda05a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f3fbc825fa0 RCX: 00007f3fbc59e159
RDX: 000000000000001b RSI: 0000200000000080 RDI: ffffffffffffff9c
RBP: 00007f3fbc63506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3fbc825fac R14: 00007f3fbc825fa0 R15: 00007f3fbc825fa0
 </TASK>

Showing all locks held in the system:
2 locks held by kworker/u4:0/9:
1 lock held by rcu_tasks_kthre/12:
 #0: 
ffffffff8cb2e170
 (
rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x33/0xef0 kernel/rcu/tasks.h:517
1 lock held by rcu_tasks_trace/13:
 #0: ffffffff8cb2e990 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x33/0xef0 kernel/rcu/tasks.h:517
1 lock held by khungtaskd/28:
 #0: ffffffff8cb2d7e0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:350 [inline]
 #0: ffffffff8cb2d7e0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:791 [inline]
 #0: ffffffff8cb2d7e0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x51/0x290 kernel/locking/lockdep.c:6529
2 locks held by getty/4028:
 #0: 
ffff88814d340098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 drivers/tty/tty_ldisc.c:244
 #1: ffffc9000327b2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x41e/0x1360 drivers/tty/n_tty.c:2198
3 locks held by kworker/u4:5/4312:
6 locks held by syz.0.17/4447:
1 lock held by syz.3.20/4495:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.1.18/4496:
 #0: ffffffff8cb77408
 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.4.21/4498:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.2.19/4499:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.5.22/4520:
 #0: 
ffffffff8cb77408
 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.6.23/4592:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz-executor/4601:
 #0: ffffffff8cb334b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:291 [inline]
 #0: ffffffff8cb334b8 (rcu_state.exp_mutex){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x2ec/0x890 kernel/rcu/tree_exp.h:962
1 lock held by syz.8.25/4604:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.7.24/4609:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.9.26/4610:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.3.35/4693:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.1.39/4701:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.2.42/4716:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.4.44/4721:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.5.74/4776:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}
, at: trace_array_get kernel/trace/trace.c:461 [inline]
, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.6.80/4811:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.8.85/4835:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.7.89/4841:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.9.104/4879:
 #0: 
ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.3.117/4912:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
3 locks held by syz-executor/4917:
1 lock held by syz.1.124/4940:
 #0: 
ffffffff8cb77408
 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
1 lock held by syz.2.127/4942:
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: trace_array_get kernel/trace/trace.c:461 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: tracing_check_open_get_tr kernel/trace/trace.c:511 [inline]
 #0: ffffffff8cb77408 (trace_types_lock){+.+.}-{3:3}, at: show_traces_open+0x7c/0x270 kernel/trace/trace.c:5121
5 locks held by syz-executor/4943:
 #0: ffff88807f1ac460 (sb_writers#8){.+.+}-{0:0}, at: vfs_write+0x270/0x9a0 fs/read_write.c:580
 #1: ffff88804b888888 (&of->mutex){+.+.}-{3:3}, at: kernfs_fop_write_iter+0x1d8/0x520 fs/kernfs/file.c:343
 #2: ffff888027639cb8 (kn->active#59){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:80 [inline]
 #2: ffff888027639cb8 (kn->active#59){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x232/0x520 fs/kernfs/file.c:344
 #3: ffffffff8d669d08 (nsim_bus_dev_list_lock){+.+.}-{3:3}, at: del_device_store+0xd3/0x370 drivers/net/netdevsim/bus.c:209
 #4: ffff888018a990e8 (&dev->mutex){....}-{3:3}, at: device_lock include/linux/device.h:885 [inline]
 #4: ffff888018a990e8 (&dev->mutex){....}-{3:3}, at: __device_driver_lock drivers/base/dd.c:1099 [inline]
 #4: ffff888018a990e8 (&dev->mutex){....}-{3:3}, at: device_release_driver_internal+0xb1/0x7c0 drivers/base/dd.c:1302

=============================================

NMI backtrace for cpu 0
CPU: 0 PID: 28 Comm: khungtaskd Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0x188/0x24e lib/dump_stack.c:106
 nmi_cpu_backtrace+0x3e6/0x460 lib/nmi_backtrace.c:111
 nmi_trigger_cpumask_backtrace+0x1d4/0x450 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
 watchdog+0xf0e/0xf50 kernel/hung_task.c:377
 kthread+0x29d/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4917 Comm: syz-executor Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:io_serial_out+0x78/0xb0 drivers/tty/serial/8250/8250_port.c:468
Code: a3 fa fc 44 89 f9 d3 e5 49 83 c6 40 4c 89 f0 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 f7 e8 f0 e7 4b fd 41 03 2e 89 d8 89 ea ee <5b> 41 5c 41 5e 41 5f 5d c3 44 89 f9 80 e1 07 38 c1 7c aa 4c 89 ff
RSP: 0018:ffffc90005546790 EFLAGS: 00000006
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 00000000000003f9 RSI: 0000000000000000 RDI: 0000000000000020
RBP: 00000000000003f9 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000aa8cd4 R12: dffffc0000000000
R13: ffffffff96f9d618 R14: ffffffff96f9d600 R15: 0000000000000000
FS:  0000555571c2f500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcda0fef2f8 CR3: 000000004aefd000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 serial_out drivers/tty/serial/8250/8250.h:122 [inline]
 serial8250_clear_IER drivers/tty/serial/8250/8250_port.c:-1 [inline]
 serial8250_console_write+0x2eb/0x18b0 drivers/tty/serial/8250/8250_port.c:3444
 call_console_driver kernel/printk/printk.c:1977 [inline]
 console_emit_next_record+0x795/0xb50 kernel/printk/printk.c:2777
 console_flush_all kernel/printk/printk.c:-1 [inline]
 console_unlock+0x223/0x630 kernel/printk/printk.c:2906
 vprintk_emit+0x4b3/0x6a0 kernel/printk/printk.c:2303
 _printk+0xda/0x130 kernel/printk/printk.c:2328
 batadv_check_known_mac_addr+0x29a/0x3e0 net/batman-adv/hard-interface.c:525
 batadv_hard_if_event+0x490/0x1510 net/batman-adv/hard-interface.c:992
 notifier_call_chain kernel/notifier.c:87 [inline]
 raw_notifier_call_chain+0xcb/0x160 kernel/notifier.c:455
 call_netdevice_notifiers_extack net/core/dev.c:2052 [inline]
 call_netdevice_notifiers net/core/dev.c:2066 [inline]
 dev_set_mac_address+0x2ed/0x400 net/core/dev.c:8937
 dev_set_mac_address_user+0x2d/0x50 net/core/dev.c:8951
 do_setlink+0x7eb/0x29c0 net/core/rtnetlink.c:2800
 __rtnl_newlink net/core/rtnetlink.c:3622 [inline]
 rtnl_newlink+0x16e4/0x1f90 net/core/rtnetlink.c:3669
 rtnetlink_rcv_msg+0x863/0xfb0 net/core/rtnetlink.c:6166
 netlink_rcv_skb+0x1ef/0x440 net/netlink/af_netlink.c:2516
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x7ad/0x920 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x8ad/0xbd0 net/netlink/af_netlink.c:1877
 sock_sendmsg_nosec net/socket.c:718 [inline]
 __sock_sendmsg net/socket.c:730 [inline]
 __sys_sendto+0x497/0x650 net/socket.c:2153
 __do_sys_sendto net/socket.c:2165 [inline]
 __se_sys_sendto net/socket.c:2161 [inline]
 __x64_sys_sendto+0xda/0xf0 net/socket.c:2161
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f8f96d5e98e
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007ffe7fe12588 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000555571c2f500 RCX: 00007f8f96d5e98e
RDX: 000000000000002c RSI: 00007f8f97b54670 RDI: 0000000000000003
RBP: 0000000000000001 R08: 00007ffe7fe12604 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f8f97b54670 R15: 0000000000000000
 </TASK>