Extracting prog: 49m15.957907057s
Minimizing prog: 3h8m3.664879756s
Simplifying prog options: 0s
Extracting C: 4m42.390799695s
Simplifying C: 37m54.55356367s


extracting reproducer from 49 programs
testing a last program of every proc
single: executing 16 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-openat-write-openat-write-mkdirat-mount-openat-ioctl-ioctl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/nullb/nullb1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/nullb/nullb1/size\x00', 0x1, 0x0)
write(r0, &(0x7f0000000340)='256\n\x00', 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./config/nullb/nullb1/zone_size\x00', 0x1, 0x0)
write(r1, &(0x7f00000003c0)='64\n\x00', 0x3)
r2 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./config/nullb/nullb1/zoned\x00', 0x1, 0x0)
write(r2, &(0x7f0000000100)='1\n\x00', 0x2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./config/nullb/nullb1/power\x00', 0x1, 0x0)
write(r3, &(0x7f0000000180)='1\n\x00', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./dev\x00', &(0x7f0000000240)='devtmpfs\x00', 0x0, 0x0)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./dev/mapper/control\x00', 0x2, 0x0)
ioctl(r4, 0xc138fd03, &(0x7f0000001000)="0400000032000000000000003801000038010000000000000000000000000000000000000000000000000000000000006d795f7a6f6e65645f646d00")
ioctl(r4, 0xc138fd09, &(0x7f0000002000)="0400000032000000000000006c01000038010000010000000000000000000000000000000000000000000000000000006d795f7a6f6e65645f646d0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008000000000000000000000000007a6f6e656400000000000000000000002e2f6465762f6e75")

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-openat-write-openat-write-mkdirat-mount-openat-ioctl-ioctl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config/nullb/nullb1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/nullb/nullb1/size\x00', 0x1, 0x0)
write(r0, &(0x7f0000000340)='256\n\x00', 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./config/nullb/nullb1/zone_size\x00', 0x1, 0x0)
write(r1, &(0x7f00000003c0)='64\n\x00', 0x3)
r2 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='./config/nullb/nullb1/zoned\x00', 0x1, 0x0)
write(r2, &(0x7f0000000100)='1\n\x00', 0x2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./config/nullb/nullb1/power\x00', 0x1, 0x0)
write(r3, &(0x7f0000000180)='1\n\x00', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./dev\x00', &(0x7f0000000240)='devtmpfs\x00', 0x0, 0x0)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./dev/mapper/control\x00', 0x2, 0x0)
ioctl(r4, 0xc138fd03, &(0x7f0000001000)="0400000032000000000000003801000038010000000000000000000000000000000000000000000000000000000000006d795f7a6f6e65645f646d00")
ioctl(r4, 0xc138fd09, &(0x7f0000002000)="0400000032000000000000006c01000038010000010000000000000000000000000000000000000000000000000000006d795f7a6f6e65645f646d0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000008000000000000000000000000007a6f6e656400000000000000000000002e2f6465762f6e75")

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(&(0x7f0000000000)=@filename='none\x00', &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/power/pm_test\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='core\n', 0x5)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-openat-write-openat-write-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/module/printk/parameters/console_suspend\x00', 0x2, 0x0)
write(r0, &(0x7f00000000c0)='N\x00', 0x2)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/hibernate/parameters/pm_test_delay\x00', 0x2, 0x0)
write(r1, &(0x7f0000000140)='0\x00', 0x2)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/power/pm_test\x00', 0x2, 0x0)
write(r2, &(0x7f00000001c0)='core\x00', 0x5)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/power/state\x00', 0x2, 0x0)
write(r3, &(0x7f0000000240)='disk', 0x3)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(&(0x7f0000000000)=@filename='none\x00', &(0x7f0000000040)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/power/pm_test\x00', 0x2, 0x0)
write(r0, &(0x7f0000000180)='core\n', 0x5)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-openat-write-openat-write-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/module/printk/parameters/console_suspend\x00', 0x2, 0x0)
write(r0, &(0x7f00000000c0)='N\x00', 0x2)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/hibernate/parameters/pm_test_delay\x00', 0x2, 0x0)
write(r1, &(0x7f0000000140)='0\x00', 0x2)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/power/pm_test\x00', 0x2, 0x0)
write(r2, &(0x7f00000001c0)='core\x00', 0x5)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/power/state\x00', 0x2, 0x0)
write(r3, &(0x7f0000000240)='disk', 0x3)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdirat-openat-write-openat-write-openat-write-openat$dlm_monitor-openat$dlm_control-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster/comms/1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/dlm/cluster/comms/1/local\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/dlm/cluster/comms/1/nodeid\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='1\x00', 0x1)
r2 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/dlm/cluster/comms/1/addr\x00', 0x1, 0x0)
write(r2, &(0x7f0000000300)="0200"/128, 0x80)
openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000380), 0x2, 0x0)
r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000003c0), 0x2, 0x0)
write(r3, &(0x7f0000000400)="060000000000000002000000040100000000000000000000666f6f00"/122, 0x78) (async)

program crashed: INFO: task hung in do_uevent
single: successfully extracted reproducer
found reproducer with 13 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdirat-openat-write-openat-write-openat-write-openat$dlm_monitor-openat$dlm_control
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster/comms/1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/dlm/cluster/comms/1/local\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/dlm/cluster/comms/1/nodeid\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='1\x00', 0x1)
r2 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/dlm/cluster/comms/1/addr\x00', 0x1, 0x0)
write(r2, &(0x7f0000000300)="0200"/128, 0x80)
openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000380), 0x2, 0x0)
openat$dlm_control(0xffffffffffffff9c, &(0x7f00000003c0), 0x2, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdirat-openat-write-openat-write-openat-write-openat$dlm_monitor-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster/comms/1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/dlm/cluster/comms/1/local\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/dlm/cluster/comms/1/nodeid\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='1\x00', 0x1)
r2 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/dlm/cluster/comms/1/addr\x00', 0x1, 0x0)
write(r2, &(0x7f0000000300)="0200"/128, 0x80)
openat$dlm_monitor(0xffffffffffffff9c, &(0x7f0000000380), 0x2, 0x0)
write(0xffffffffffffffff, &(0x7f0000000400)="060000000000000002000000040100000000000000000000666f6f00"/122, 0x78) (async)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdirat-openat-write-openat-write-openat-write-openat$dlm_control-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster/comms/1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/dlm/cluster/comms/1/local\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/dlm/cluster/comms/1/nodeid\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='1\x00', 0x1)
r2 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/dlm/cluster/comms/1/addr\x00', 0x1, 0x0)
write(r2, &(0x7f0000000300)="0200"/128, 0x80)
r3 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000003c0), 0x2, 0x0)
write(r3, &(0x7f0000000400)="060000000000000002000000040100000000000000000000666f6f00"/122, 0x78) (async)

program crashed: INFO: task hung in do_uevent
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdirat-openat-write-openat-write-openat-openat$dlm_control-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster/comms/1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/dlm/cluster/comms/1/local\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/dlm/cluster/comms/1/nodeid\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='1\x00', 0x1)
openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/dlm/cluster/comms/1/addr\x00', 0x1, 0x0)
r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000003c0), 0x2, 0x0)
write(r2, &(0x7f0000000400)="060000000000000002000000040100000000000000000000666f6f00"/122, 0x78) (async)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdirat-openat-write-openat-write-write-openat$dlm_control-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster/comms/1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/dlm/cluster/comms/1/local\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/dlm/cluster/comms/1/nodeid\x00', 0x2, 0x0)
write(r1, &(0x7f0000000280)='1\x00', 0x1)
write(0xffffffffffffffff, &(0x7f0000000300)="0200"/128, 0x80)
r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000003c0), 0x2, 0x0)
write(r2, &(0x7f0000000400)="060000000000000002000000040100000000000000000000666f6f00"/122, 0x78) (async)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdirat-openat-write-openat-openat-write-openat$dlm_control-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster/comms/1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/dlm/cluster/comms/1/local\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\x00', 0x1)
openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/dlm/cluster/comms/1/nodeid\x00', 0x2, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/dlm/cluster/comms/1/addr\x00', 0x1, 0x0)
write(r1, &(0x7f0000000300)="0200"/128, 0x80)
r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000003c0), 0x2, 0x0)
write(r2, &(0x7f0000000400)="060000000000000002000000040100000000000000000000666f6f00"/122, 0x78) (async)

program crashed: INFO: task hung in do_uevent
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdirat-openat-write-openat-write-openat$dlm_control-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster/comms/1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/dlm/cluster/comms/1/local\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/dlm/cluster/comms/1/addr\x00', 0x1, 0x0)
write(r1, &(0x7f0000000300)="0200"/128, 0x80)
r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000003c0), 0x2, 0x0)
write(r2, &(0x7f0000000400)="060000000000000002000000040100000000000000000000666f6f00"/122, 0x78) (async)

program crashed: INFO: task hung in do_uevent
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdirat-openat-openat-write-openat$dlm_control-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster/comms/1\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/dlm/cluster/comms/1/local\x00', 0x2, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/dlm/cluster/comms/1/addr\x00', 0x1, 0x0)
write(r0, &(0x7f0000000300)="0200"/128, 0x80)
r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000003c0), 0x2, 0x0)
write(r1, &(0x7f0000000400)="060000000000000002000000040100000000000000000000666f6f00"/122, 0x78) (async)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdirat-write-openat-write-openat$dlm_control-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster/comms/1\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000200)='1\x00', 0x1)
r0 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/dlm/cluster/comms/1/addr\x00', 0x1, 0x0)
write(r0, &(0x7f0000000300)="0200"/128, 0x80)
r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000003c0), 0x2, 0x0)
write(r1, &(0x7f0000000400)="060000000000000002000000040100000000000000000000666f6f00"/122, 0x78) (async)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-openat$dlm_control-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/dlm/cluster/comms/1/local\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/dlm/cluster/comms/1/addr\x00', 0x1, 0x0)
write(r1, &(0x7f0000000300)="0200"/128, 0x80)
r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000003c0), 0x2, 0x0)
write(r2, &(0x7f0000000400)="060000000000000002000000040100000000000000000000666f6f00"/122, 0x78) (async)

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:4 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-openat$dlm_control-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster/comms/1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/dlm/cluster/comms/1/local\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/dlm/cluster/comms/1/addr\x00', 0x1, 0x0)
write(r1, &(0x7f0000000300)="0200"/128, 0x80)
r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000003c0), 0x2, 0x0)
write(r2, &(0x7f0000000400)="060000000000000002000000040100000000000000000000666f6f00"/122, 0x78) (async)

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:4 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-mkdirat-mkdirat-openat-write-openat-write-openat$dlm_control-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster/comms/1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/dlm/cluster/comms/1/local\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/dlm/cluster/comms/1/addr\x00', 0x1, 0x0)
write(r1, &(0x7f0000000300)="0200"/128, 0x80)
r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000003c0), 0x2, 0x0)
write(r2, &(0x7f0000000400)="060000000000000002000000040100000000000000000000666f6f00"/122, 0x78) (async)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): mount-mkdirat-mkdirat-openat-write-openat-write-openat$dlm_control-write
detailed listing:
executing program 0:
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster/comms/1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/dlm/cluster/comms/1/local\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/dlm/cluster/comms/1/addr\x00', 0x1, 0x0)
write(r1, &(0x7f0000000300)="0200"/128, 0x80)
r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000003c0), 0x2, 0x0)
write(r2, &(0x7f0000000400)="060000000000000002000000040100000000000000000000666f6f00"/122, 0x78) (async)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdirat-openat-write-openat-write-openat$dlm_control-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster/comms/1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/dlm/cluster/comms/1/local\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/dlm/cluster/comms/1/addr\x00', 0x1, 0x0)
write(r1, &(0x7f0000000300)="0200"/128, 0x80)
r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000003c0), 0x2, 0x0)
write(r2, &(0x7f0000000400)="060000000000000002000000040100000000000000000000666f6f00"/122, 0x78)

program crashed: INFO: task hung in do_uevent
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdirat-openat-write-openat-write-openat$dlm_control-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster/comms/1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/dlm/cluster/comms/1/local\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/dlm/cluster/comms/1/addr\x00', 0x1, 0x0)
write(r1, &(0x7f0000000300)="0200"/128, 0x80)
r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000003c0), 0x2, 0x0)
write(r2, &(0x7f0000000400)="060000000000000002000000040100000000000000000000666f6f00"/122, 0x78)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdirat-openat-write-openat-write-openat$dlm_control-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster/comms/1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/dlm/cluster/comms/1/local\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/dlm/cluster/comms/1/addr\x00', 0x1, 0x0)
write(r1, &(0x7f0000000300)="0200"/128, 0x80)
r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000003c0), 0x2, 0x0)
write(r2, &(0x7f0000000400)="060000000000000002000000040100000000000000000000666f6f00"/122, 0x78)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdirat-openat-write-openat-write-openat$dlm_control-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', 0x0, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster/comms/1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/dlm/cluster/comms/1/local\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/dlm/cluster/comms/1/addr\x00', 0x1, 0x0)
write(r1, &(0x7f0000000300)="0200"/128, 0x80)
r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000003c0), 0x2, 0x0)
write(r2, &(0x7f0000000400)="060000000000000002000000040100000000000000000000666f6f00"/122, 0x78)

program crashed: lost connection to test machine
suppressed program crash: lost connection to test machine
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdirat-openat-write-openat-write-openat$dlm_control-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster/comms/1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/dlm/cluster/comms/1/local\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/dlm/cluster/comms/1/addr\x00', 0x1, 0x0)
write(r1, &(0x7f0000000300)="0200"/128, 0x80)
r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000003c0), 0x2, 0x0)
write(r2, &(0x7f0000000400)="060000000000000002000000040100000000000000000000666f6f00"/122, 0x78)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdirat-openat-write-openat-write-openat$dlm_control-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/dlm/cluster/comms/1/local\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/dlm/cluster/comms/1/addr\x00', 0x1, 0x0)
write(r1, &(0x7f0000000300)="0200"/128, 0x80)
r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000003c0), 0x2, 0x0)
write(r2, &(0x7f0000000400)="060000000000000002000000040100000000000000000000666f6f00"/122, 0x78)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdirat-openat-write-openat-write-openat$dlm_control-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster/comms/1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/dlm/cluster/comms/1/addr\x00', 0x1, 0x0)
write(r1, &(0x7f0000000300)="0200"/128, 0x80)
r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000003c0), 0x2, 0x0)
write(r2, &(0x7f0000000400)="060000000000000002000000040100000000000000000000666f6f00"/122, 0x78)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdirat-openat-write-openat-write-openat$dlm_control-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster/comms/1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/dlm/cluster/comms/1/local\x00', 0x2, 0x0)
write(r0, 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/dlm/cluster/comms/1/addr\x00', 0x1, 0x0)
write(r1, &(0x7f0000000300)="0200"/128, 0x80)
r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000003c0), 0x2, 0x0)
write(r2, &(0x7f0000000400)="060000000000000002000000040100000000000000000000666f6f00"/122, 0x78)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdirat-openat-write-openat-write-openat$dlm_control-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster/comms/1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/dlm/cluster/comms/1/local\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200), 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/dlm/cluster/comms/1/addr\x00', 0x1, 0x0)
write(r1, &(0x7f0000000300)="0200"/128, 0x80)
r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000003c0), 0x2, 0x0)
write(r2, &(0x7f0000000400)="060000000000000002000000040100000000000000000000666f6f00"/122, 0x78)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdirat-openat-write-openat-write-openat$dlm_control-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster/comms/1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/dlm/cluster/comms/1/local\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r1, &(0x7f0000000300)="0200"/128, 0x80)
r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000003c0), 0x2, 0x0)
write(r2, &(0x7f0000000400)="060000000000000002000000040100000000000000000000666f6f00"/122, 0x78)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdirat-openat-write-openat-write-openat$dlm_control-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster/comms/1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/dlm/cluster/comms/1/local\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/dlm/cluster/comms/1/addr\x00', 0x1, 0x0)
write(r1, 0x0, 0x0)
r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000003c0), 0x2, 0x0)
write(r2, &(0x7f0000000400)="060000000000000002000000040100000000000000000000666f6f00"/122, 0x78)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdirat-openat-write-openat-write-openat$dlm_control-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster/comms/1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/dlm/cluster/comms/1/local\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/dlm/cluster/comms/1/addr\x00', 0x1, 0x0)
write(r1, &(0x7f0000000300), 0x0)
r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000003c0), 0x2, 0x0)
write(r2, &(0x7f0000000400)="060000000000000002000000040100000000000000000000666f6f00"/122, 0x78)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdirat-openat-write-openat-write-openat$dlm_control-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster/comms/1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/dlm/cluster/comms/1/local\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/dlm/cluster/comms/1/addr\x00', 0x1, 0x0)
write(r1, &(0x7f0000000300)="0200"/128, 0x80)
r2 = openat$dlm_control(0xffffffffffffff9c, 0x0, 0x2, 0x0)
write(r2, &(0x7f0000000400)="060000000000000002000000040100000000000000000000666f6f00"/122, 0x78)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdirat-openat-write-openat-write-openat$dlm_control-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster/comms/1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/dlm/cluster/comms/1/local\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/dlm/cluster/comms/1/addr\x00', 0x1, 0x0)
write(r1, &(0x7f0000000300)="0200"/128, 0x80)
r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000003c0), 0x2, 0x0)
write(r2, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdirat-openat-write-openat-write-openat$dlm_control-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster/comms/1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/dlm/cluster/comms/1/local\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/dlm/cluster/comms/1/addr\x00', 0x1, 0x0)
write(r1, &(0x7f0000000300)="0200"/128, 0x80)
r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000003c0), 0x2, 0x0)
write(r2, &(0x7f0000000400), 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdirat-openat-write-openat-write-openat$dlm_control-write
program crashed: INFO: task hung in do_uevent
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write-openat-write-openat$dlm_control-write
VM was preempted during C execution: failed to run command in VM: instance is preempted, retrying
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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-mkdirat-openat-write-openat-write-openat$dlm_control-write
program crashed: INFO: task hung in do_uevent
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write-openat-write-openat$dlm_control-write
program crashed: INFO: task hung in do_uevent
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write-openat-write-openat$dlm_control-write
program crashed: INFO: task hung in do_uevent
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write-openat-write-openat$dlm_control-write
program crashed: INFO: task hung in do_uevent
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write-openat-write-openat$dlm_control-write
program crashed: INFO: task hung in do_uevent
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write-openat-write-openat$dlm_control-write
program crashed: INFO: task hung in do_uevent
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write-openat-write-openat$dlm_control-write
program crashed: INFO: task hung in do_uevent
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write-openat-write-openat$dlm_control-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster/comms/1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/dlm/cluster/comms/1/local\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/dlm/cluster/comms/1/addr\x00', 0x1, 0x0)
write(r1, &(0x7f0000000300)="0200"/128, 0x80)
r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000003c0), 0x2, 0x0)
write(r2, &(0x7f0000000400)="060000000000000002000000040100000000000000000000666f6f00"/122, 0x78)

program crashed: INFO: task hung in do_uevent
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write-openat-write-openat$dlm_control-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster/comms/1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/dlm/cluster/comms/1/local\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/dlm/cluster/comms/1/addr\x00', 0x1, 0x0)
write(r1, &(0x7f0000000300)="0200"/128, 0x80)
r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000003c0), 0x2, 0x0)
write(r2, &(0x7f0000000400)="060000000000000002000000040100000000000000000000666f6f00"/122, 0x78)

program crashed: INFO: task hung in do_uevent
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write-openat-write-openat$dlm_control-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/dlm/cluster\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./config/dlm/cluster/comms/1\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./config/dlm/cluster/comms/1/local\x00', 0x2, 0x0)
write(r0, &(0x7f0000000200)='1\x00', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/dlm/cluster/comms/1/addr\x00', 0x1, 0x0)
write(r1, &(0x7f0000000300)="0200"/128, 0x80)
r2 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000003c0), 0x2, 0x0)
write(r2, &(0x7f0000000400)="060000000000000002000000040100000000000000000000666f6f00"/122, 0x78)

program crashed: INFO: task hung in do_uevent
validation run: crashed=true
reproducing took 4h51m33.157433954s
repro crashed as (corrupted=false):
INFO: tas[  347.454957][   T39] INFO: task syz.0.17:5942 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.17        state:D stack:25632 pid:5942  tgid:5942  ppid:5806   task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5510 [inline]
 __schedule+0x1709/0x5530 kernel/sched/core.c:7231
 __schedule_loop kernel/sched/core.c:7308 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7323
 do_uevent+0x2c3/0x570 fs/dlm/lockspace.c:206
 new_lockspace fs/dlm/lockspace.c:583 [inline]
 __dlm_new_lockspace+0x1aa4/0x2060 fs/dlm/lockspace.c:638
 device_create_lockspace+0xc7/0x350 fs/dlm/user.c:414
 device_write+0x875/0xed0 fs/dlm/user.c:606
 vfs_write+0x29f/0xbb0 fs/read_write.c:685
 ksys_write+0x156/0x270 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x17b/0x530 arch/x86/entry/syscall_64.c:85
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f023992e019
RSP: 002b:00007ffcc80a8e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f0239bb5fa0 RCX: 00007f023992e019
RDX: 0000000000000078 RSI: 0000200000000400 RDI: 0000000000000005
RBP: 00007f02399c500c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0239bb5fac R14: 00007f0239bb5fa0 R15: 00007f0239bb5fa0
 </TASK>

Showing all locks held in the system:
locks held by khungtaskd/39: 1, last CPU#0:
 #0: ffffffff8e3c3880 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline]
 #0: ffffffff8e3c3880 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:840 [inline]
 #0: ffffffff8e3c3880 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6835
locks held by kworker/u8:18/2165: 5, last CPU#1:
 #0: ffff88801aea4138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline]
 #0: ffff88801aea4138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:840 [inline]
 #0: ffff88801aea4138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x7fd/0x1480 kernel/workqueue.c:3344
 #1: ffffc900086cfc60 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline]
 #1: ffffc900086cfc60 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:840 [inline]
 #1: ffffc900086cfc60 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_one_work+0x7fd/0x1480 kernel/workqueue.c:3344
 #2: ffff88803666c310 (&devlink->lock_key#2){+.+.}-{4:4}, at: nsim_dev_trap_report_work+0x57/0xcb0 drivers/net/netdevsim/dev.c:909
 #3: ffff8880347fd920 (&nsim_trap_data->trap_lock){+.+.}-{3:3}, at: spin_lock include/linux/spinlock_rt.h:45 [inline]
 #3: ffff8880347fd920 (&nsim_trap_data->trap_lock){+.+.}-{3:3}, at: nsim_dev_trap_report drivers/net/netdevsim/dev.c:862 [inline]
 #3: ffff8880347fd920 (&nsim_trap_data->trap_lock){+.+.}-{3:3}, at: nsim_dev_trap_report_work+0x1e0/0xcb0 drivers/net/netdevsim/dev.c:922
 #4: ffffffff8e3c3880 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline]
 #4: ffffffff8e3c3880 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:840 [inline]
 #4: ffffffff8e3c3880 (rcu_read_lock){....}-{1:3}, at: __rt_spin_lock kernel/locking/spinlock_rt.c:50 [inline]
 #4: ffffffff8e3c3880 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e0/0x400 kernel/locking/spinlock_rt.c:57
locks held by getty/5347: 2, on CPU#1:
 #0: ffff888036c850a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #1: ffffc900044ce2e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x460/0x1360 drivers/tty/n_tty.c:2211
locks held by syz.0.17/5942: 1, on CPU#1:
 #0: ffffffff99df7bb8 (&ls_lock){+.+.}-{4:4}, at: __dlm_new_lockspace+0xa3/0x2060 fs/dlm/lockspace.c:632
locks held by dlm_recoverd/5944: 1, on CPU#0:
 #0: ffff888040244d20 (&ls->ls_in_recovery){+.+.}-{4:4}, at: dlm_recoverd+0xba/0x23e0 fs/dlm/recoverd.c:400
locks held by syz.1.18/6009: 1, on CPU#1:
 #0: ffffffff99df7bb8 (&ls_lock){+.+.}-{4:4}, at: __dlm_new_lockspace+0xa3/0x2060 fs/dlm/lockspace.c:632
locks held by syz.2.19/6045: 1, on CPU#1:
 #0: ffffffff99df7bb8 (&ls_lock){+.+.}-{4:4}, at: __dlm_new_lockspace+0xa3/0x2060 fs/dlm/lockspace.c:632
locks held by syz.3.20/6082: 1, on CPU#0:
 #0: ffffffff99df7bb8 (&ls_lock){+.+.}-{4:4}, at: __dlm_new_lockspace+0xa3/0x2060 fs/dlm/lockspace.c:632
locks held by syz.4.21/6130: 1, on CPU#0:
 #0: ffffffff99df7bb8 (&ls_lock){+.+.}-{4:4}, at: __dlm_new_lockspace+0xa3/0x2060 fs/dlm/lockspace.c:632
locks held by syz.5.22/6174: 1, on CPU#1:
 #0: ffffffff99df7bb8 (&ls_lock){+.+.}-{4:4}, at: __dlm_new_lockspace+0xa3/0x2060 fs/dlm/lockspace.c:632
locks held by syz.6.23/6217: 1, on CPU#0:
 #0: ffffffff99df7bb8 (&ls_lock){+.+.}-{4:4}, at: __dlm_new_lockspace+0xa3/0x2060 fs/dlm/lockspace.c:632
locks held by syz.7.24/6265: 1, on CPU#1:
 #0: ffffffff99df7bb8 (&ls_lock){+.+.}-{4:4}, at: __dlm_new_lockspace+0xa3/0x2060 fs/dlm/lockspace.c:632
locks held by syz.8.25/6312: 1, on CPU#1:
 #0: ffffffff99df7bb8 (&ls_lock){+.+.}-{4:4}, at: __dlm_new_lockspace+0xa3/0x2060 fs/dlm/lockspace.c:632

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

NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 39 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 nmi_cpu_backtrace+0x274/0x2d0 lib/nmi_backtrace.c:122
 nmi_trigger_cpumask_backtrace+0x17a/0x380 lib/nmi_backtrace.c:65
 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
 __sys_info lib/sys_info.c:157 [inline]
 sys_info+0x135/0x170 lib/sys_info.c:165
 check_hung_uninterruptible_tasks kernel/hung_task.c:353 [inline]
 watchdog+0xfd7/0x1030 kernel/hung_task.c:561
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 2165 Comm: kworker/u8:18 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: events_unbound nsim_dev_trap_report_work
RIP: 0010:clear_pages arch/x86/include/asm/page_64.h:103 [inline]
RIP: 0010:clear_highpages_kasan_tagged mm/page_alloc.c:1225 [inline]
RIP: 0010:post_alloc_hook+0x115/0x250 mm/page_alloc.c:1869
Code: 48 c1 e8 03 42 80 3c 28 00 74 0c 48 c7 c7 00 9f c3 8d e8 ce c8 0e 00 4c 03 25 37 6d a0 0b 44 89 f9 48 c1 e1 0c 31 c0 4c 89 e7 <f3> aa 0f 1f 44 00 00 e8 df 90 0e 00 e9 c4 00 00 00 e9 d3 00 00 00
RSP: 0018:ffffc900086cf588 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000c40
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880609b73c0
RBP: 00000000000d2820 R08: ffffffff8fd0c47f R09: 0000000000000000
R10: ffffed100c136000 R11: fffffbfff1fa1890 R12: ffff8880609b0000
R13: dffffc0000000000 R14: ffffea0001826c00 R15: 0000000000000008
FS:  0000000000000000(0000) GS:ffff888125af2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055fa2bff7190 CR3: 000000000e1b0000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 prep_new_page mm/page_alloc.c:1879 [inline]
 get_page_from_freelist+0x264c/0x26c0 mm/page_alloc.c:3955
 __alloc_frozen_pages_noprof+0x222/0x5b0 mm/page_alloc.c:5394
 alloc_slab_page mm/slub.c:3295 [inline]
 allocate_slab+0x7c/0x5e0 mm/slub.c:3410
 new_slab mm/slub.c:3456 [inline]
 refill_objects+0x2d8/0x350 mm/slub.c:7321
 refill_sheaf mm/slub.c:2833 [inline]
 __pcs_replace_empty_main+0x330/0x690 mm/slub.c:4699
 alloc_from_pcs mm/slub.c:4775 [inline]
 slab_alloc_node mm/slub.c:4909 [inline]
 __do_kmalloc_node mm/slub.c:5338 [inline]
 __kmalloc_node_track_caller_noprof+0x616/0x7b0 mm/slub.c:5468
 kmalloc_reserve net/core/skbuff.c:637 [inline]
 __alloc_skb+0x2bd/0x7a0 net/core/skbuff.c:715
 alloc_skb include/linux/skbuff.h:1384 [inline]
 nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:819 [inline]
 nsim_dev_trap_report drivers/net/netdevsim/dev.c:876 [inline]
 nsim_dev_trap_report_work+0x2b1/0xcb0 drivers/net/netdevsim/dev.c:922
 process_one_work+0xaaf/0x1480 kernel/workqueue.c:3379
 process_scheduled_works kernel/workqueue.c:3462 [inline]
 worker_thread+0xb05/0x10d0 kernel/workqueue.c:3543
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>

final repro crashed as (corrupted=false):
INFO: tas[  347.454957][   T39] INFO: task syz.0.17:5942 blocked for more than 143 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.17        state:D stack:25632 pid:5942  tgid:5942  ppid:5806   task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5510 [inline]
 __schedule+0x1709/0x5530 kernel/sched/core.c:7231
 __schedule_loop kernel/sched/core.c:7308 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7323
 do_uevent+0x2c3/0x570 fs/dlm/lockspace.c:206
 new_lockspace fs/dlm/lockspace.c:583 [inline]
 __dlm_new_lockspace+0x1aa4/0x2060 fs/dlm/lockspace.c:638
 device_create_lockspace+0xc7/0x350 fs/dlm/user.c:414
 device_write+0x875/0xed0 fs/dlm/user.c:606
 vfs_write+0x29f/0xbb0 fs/read_write.c:685
 ksys_write+0x156/0x270 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x17b/0x530 arch/x86/entry/syscall_64.c:85
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f023992e019
RSP: 002b:00007ffcc80a8e58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f0239bb5fa0 RCX: 00007f023992e019
RDX: 0000000000000078 RSI: 0000200000000400 RDI: 0000000000000005
RBP: 00007f02399c500c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0239bb5fac R14: 00007f0239bb5fa0 R15: 00007f0239bb5fa0
 </TASK>

Showing all locks held in the system:
locks held by khungtaskd/39: 1, last CPU#0:
 #0: ffffffff8e3c3880 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline]
 #0: ffffffff8e3c3880 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:840 [inline]
 #0: ffffffff8e3c3880 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 kernel/locking/lockdep.c:6835
locks held by kworker/u8:18/2165: 5, last CPU#1:
 #0: ffff88801aea4138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline]
 #0: ffff88801aea4138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:840 [inline]
 #0: ffff88801aea4138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x7fd/0x1480 kernel/workqueue.c:3344
 #1: ffffc900086cfc60 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline]
 #1: ffffc900086cfc60 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: rcu_read_lock include/linux/rcupdate.h:840 [inline]
 #1: ffffc900086cfc60 ((work_completion)(&(&nsim_dev->trap_data->trap_report_dw)->work)){+.+.}-{0:0}, at: process_one_work+0x7fd/0x1480 kernel/workqueue.c:3344
 #2: ffff88803666c310 (&devlink->lock_key#2){+.+.}-{4:4}, at: nsim_dev_trap_report_work+0x57/0xcb0 drivers/net/netdevsim/dev.c:909
 #3: ffff8880347fd920 (&nsim_trap_data->trap_lock){+.+.}-{3:3}, at: spin_lock include/linux/spinlock_rt.h:45 [inline]
 #3: ffff8880347fd920 (&nsim_trap_data->trap_lock){+.+.}-{3:3}, at: nsim_dev_trap_report drivers/net/netdevsim/dev.c:862 [inline]
 #3: ffff8880347fd920 (&nsim_trap_data->trap_lock){+.+.}-{3:3}, at: nsim_dev_trap_report_work+0x1e0/0xcb0 drivers/net/netdevsim/dev.c:922
 #4: ffffffff8e3c3880 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:300 [inline]
 #4: ffffffff8e3c3880 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:840 [inline]
 #4: ffffffff8e3c3880 (rcu_read_lock){....}-{1:3}, at: __rt_spin_lock kernel/locking/spinlock_rt.c:50 [inline]
 #4: ffffffff8e3c3880 (rcu_read_lock){....}-{1:3}, at: rt_spin_lock+0x1e0/0x400 kernel/locking/spinlock_rt.c:57
locks held by getty/5347: 2, on CPU#1:
 #0: ffff888036c850a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
 #1: ffffc900044ce2e0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x460/0x1360 drivers/tty/n_tty.c:2211
locks held by syz.0.17/5942: 1, on CPU#1:
 #0: ffffffff99df7bb8 (&ls_lock){+.+.}-{4:4}, at: __dlm_new_lockspace+0xa3/0x2060 fs/dlm/lockspace.c:632
locks held by dlm_recoverd/5944: 1, on CPU#0:
 #0: ffff888040244d20 (&ls->ls_in_recovery){+.+.}-{4:4}, at: dlm_recoverd+0xba/0x23e0 fs/dlm/recoverd.c:400
locks held by syz.1.18/6009: 1, on CPU#1:
 #0: ffffffff99df7bb8 (&ls_lock){+.+.}-{4:4}, at: __dlm_new_lockspace+0xa3/0x2060 fs/dlm/lockspace.c:632
locks held by syz.2.19/6045: 1, on CPU#1:
 #0: ffffffff99df7bb8 (&ls_lock){+.+.}-{4:4}, at: __dlm_new_lockspace+0xa3/0x2060 fs/dlm/lockspace.c:632
locks held by syz.3.20/6082: 1, on CPU#0:
 #0: ffffffff99df7bb8 (&ls_lock){+.+.}-{4:4}, at: __dlm_new_lockspace+0xa3/0x2060 fs/dlm/lockspace.c:632
locks held by syz.4.21/6130: 1, on CPU#0:
 #0: ffffffff99df7bb8 (&ls_lock){+.+.}-{4:4}, at: __dlm_new_lockspace+0xa3/0x2060 fs/dlm/lockspace.c:632
locks held by syz.5.22/6174: 1, on CPU#1:
 #0: ffffffff99df7bb8 (&ls_lock){+.+.}-{4:4}, at: __dlm_new_lockspace+0xa3/0x2060 fs/dlm/lockspace.c:632
locks held by syz.6.23/6217: 1, on CPU#0:
 #0: ffffffff99df7bb8 (&ls_lock){+.+.}-{4:4}, at: __dlm_new_lockspace+0xa3/0x2060 fs/dlm/lockspace.c:632
locks held by syz.7.24/6265: 1, on CPU#1:
 #0: ffffffff99df7bb8 (&ls_lock){+.+.}-{4:4}, at: __dlm_new_lockspace+0xa3/0x2060 fs/dlm/lockspace.c:632
locks held by syz.8.25/6312: 1, on CPU#1:
 #0: ffffffff99df7bb8 (&ls_lock){+.+.}-{4:4}, at: __dlm_new_lockspace+0xa3/0x2060 fs/dlm/lockspace.c:632

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

NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 39 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 nmi_cpu_backtrace+0x274/0x2d0 lib/nmi_backtrace.c:122
 nmi_trigger_cpumask_backtrace+0x17a/0x380 lib/nmi_backtrace.c:65
 trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
 __sys_info lib/sys_info.c:157 [inline]
 sys_info+0x135/0x170 lib/sys_info.c:165
 check_hung_uninterruptible_tasks kernel/hung_task.c:353 [inline]
 watchdog+0xfd7/0x1030 kernel/hung_task.c:561
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 2165 Comm: kworker/u8:18 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: events_unbound nsim_dev_trap_report_work
RIP: 0010:clear_pages arch/x86/include/asm/page_64.h:103 [inline]
RIP: 0010:clear_highpages_kasan_tagged mm/page_alloc.c:1225 [inline]
RIP: 0010:post_alloc_hook+0x115/0x250 mm/page_alloc.c:1869
Code: 48 c1 e8 03 42 80 3c 28 00 74 0c 48 c7 c7 00 9f c3 8d e8 ce c8 0e 00 4c 03 25 37 6d a0 0b 44 89 f9 48 c1 e1 0c 31 c0 4c 89 e7 <f3> aa 0f 1f 44 00 00 e8 df 90 0e 00 e9 c4 00 00 00 e9 d3 00 00 00
RSP: 0018:ffffc900086cf588 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 0000000000000c40
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff8880609b73c0
RBP: 00000000000d2820 R08: ffffffff8fd0c47f R09: 0000000000000000
R10: ffffed100c136000 R11: fffffbfff1fa1890 R12: ffff8880609b0000
R13: dffffc0000000000 R14: ffffea0001826c00 R15: 0000000000000008
FS:  0000000000000000(0000) GS:ffff888125af2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055fa2bff7190 CR3: 000000000e1b0000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 prep_new_page mm/page_alloc.c:1879 [inline]
 get_page_from_freelist+0x264c/0x26c0 mm/page_alloc.c:3955
 __alloc_frozen_pages_noprof+0x222/0x5b0 mm/page_alloc.c:5394
 alloc_slab_page mm/slub.c:3295 [inline]
 allocate_slab+0x7c/0x5e0 mm/slub.c:3410
 new_slab mm/slub.c:3456 [inline]
 refill_objects+0x2d8/0x350 mm/slub.c:7321
 refill_sheaf mm/slub.c:2833 [inline]
 __pcs_replace_empty_main+0x330/0x690 mm/slub.c:4699
 alloc_from_pcs mm/slub.c:4775 [inline]
 slab_alloc_node mm/slub.c:4909 [inline]
 __do_kmalloc_node mm/slub.c:5338 [inline]
 __kmalloc_node_track_caller_noprof+0x616/0x7b0 mm/slub.c:5468
 kmalloc_reserve net/core/skbuff.c:637 [inline]
 __alloc_skb+0x2bd/0x7a0 net/core/skbuff.c:715
 alloc_skb include/linux/skbuff.h:1384 [inline]
 nsim_dev_trap_skb_build drivers/net/netdevsim/dev.c:819 [inline]
 nsim_dev_trap_report drivers/net/netdevsim/dev.c:876 [inline]
 nsim_dev_trap_report_work+0x2b1/0xcb0 drivers/net/netdevsim/dev.c:922
 process_one_work+0xaaf/0x1480 kernel/workqueue.c:3379
 process_scheduled_works kernel/workqueue.c:3462 [inline]
 worker_thread+0xb05/0x10d0 kernel/workqueue.c:3543
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>