Extracting prog: 1m4.123177802s Minimizing prog: 21m34.5571793s Simplifying prog options: 1m5.373467038s Extracting C: 27.192669596s Simplifying C: 9m42.927280188s extracting reproducer from 72 programs testing a last program of every proc single: executing 22 programs separately with timeout 30s testing program (duration=30s, {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}}): openat-ftruncate-close-mkdirat-mount-openat-write-close-mkdirat-openat-write-close-openat-write-close-write-close-mkdirat-openat-write-symlinkat-openat$nvme_fabrics-write-nanosleep-mknodat-openat-write detailed listing: executing program 0: r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./file0\x00', 0x42, 0x1b6) ftruncate(r0, 0x100000) close(r0) mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./config/nvmet/subsystems/testsubsys/attr_allow_any_host\x00', 0x1, 0x0) write(r1, &(0x7f0000000200)='1', 0x1) close(r1) mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nvmet/subsystems/testsubsys/namespaces/1\x00', 0x1ff) r2 = openat(0xffffffffffffff9c, &(0x7f00000002c0)='./config/nvmet/subsystems/testsubsys/namespaces/1/buffered_io\x00', 0x1, 0x0) write(r2, &(0x7f0000000340)='1\n', 0x2) close(r2) r3 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./config/nvmet/subsystems/testsubsys/namespaces/1/device_path\x00', 0x1, 0x0) write(r3, &(0x7f0000000400)='./file0\n', 0x8) close(r3) write(0xffffffffffffffff, &(0x7f00000004c0)='1\n', 0x2) close(0xffffffffffffffff) mkdirat(0xffffffffffffff9c, &(0x7f0000000500)='./config/nvmet/ports/1\x00', 0x1ff) r4 = openat(0xffffffffffffff9c, &(0x7f0000000580)='./config/nvmet/ports/1/addr_trtype\x00', 0x1, 0x0) write(r4, &(0x7f0000000600)='loop\n', 0x5) symlinkat(&(0x7f0000000680)='./config/nvmet/subsystems/testsubsys\x00', 0xffffffffffffff9c, &(0x7f0000000700)='./config/nvmet/ports/1/subsystems/testsubsys\x00') r5 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000780), 0x2, 0x0) write(r5, &(0x7f0000000800)='transport=loop,nqn=testsubsys\n', 0x1e) nanosleep(&(0x7f0000000840)={0x0, 0x1dcd6500}, 0x0) mknodat(0xffffffffffffff9c, &(0x7f0000000900)='./nvme0n1\x00', 0x81ff, 0x1030000) r6 = openat(0xffffffffffffff9c, &(0x7f0000000900)='./nvme0n1\x00', 0x2, 0x0) write(r6, &(0x7f0000000a00), 0x1000) program did not crash testing program (duration=30s, {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-mount-mkdirat-openat-write-close-openat-write-write-write-write-openat-io_setup-io_submit-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./dev\x00', &(0x7f00000001c0)='devtmpfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./config/nullb/nullb1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460)='253:1 1\n\x00', 0x8) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f00000004c0)='251:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) r2 = openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) io_setup(0x2, &(0x7f0000000800)=0x0) io_submit(r3, 0x2, &(0x7f0000000840)=[&(0x7f0000000880)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000001000)='\x00'/4096, 0x1000}, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000002000)='\x00'/4096, 0x1000, 0x1000}]) r4 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r4, &(0x7f0000000a40)='0\n\x00', 0x2) program crashed: WARNING: lock held when returning to user space in blk_mq_freeze_queue_nomemsave single: successfully extracted reproducer found reproducer with 18 syscalls minimizing guilty program testing program (duration=30s, {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-mount-mkdirat-openat-write-close-openat-write-write-write-write-openat-io_setup-io_submit-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./dev\x00', &(0x7f00000001c0)='devtmpfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./config/nullb/nullb1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460)='253:1 1\n\x00', 0x8) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f00000004c0)='251:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) r2 = openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) io_setup(0x2, &(0x7f0000000800)=0x0) io_submit(r3, 0x2, &(0x7f0000000840)=[&(0x7f0000000880)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000001000)='\x00'/4096, 0x1000}, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000002000)='\x00'/4096, 0x1000, 0x1000}]) openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) program did not crash testing program (duration=30s, {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-mount-mkdirat-openat-write-close-openat-write-write-write-write-openat-io_setup-io_submit-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./dev\x00', &(0x7f00000001c0)='devtmpfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./config/nullb/nullb1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460)='253:1 1\n\x00', 0x8) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f00000004c0)='251:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) r2 = openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) io_setup(0x2, &(0x7f0000000800)=0x0) io_submit(r3, 0x2, &(0x7f0000000840)=[&(0x7f0000000880)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000001000)='\x00'/4096, 0x1000}, &(0x7f0000000900)={0x0, 0x0, 0x0, 0x1, 0x0, r2, &(0x7f0000002000)='\x00'/4096, 0x1000, 0x1000}]) write(0xffffffffffffffff, &(0x7f0000000a40)='0\n\x00', 0x2) program did not crash testing program (duration=30s, {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-mount-mkdirat-openat-write-close-openat-write-write-write-write-openat-io_setup-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./dev\x00', &(0x7f00000001c0)='devtmpfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./config/nullb/nullb1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460)='253:1 1\n\x00', 0x8) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f00000004c0)='251:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) io_setup(0x2, &(0x7f0000000800)) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40)='0\n\x00', 0x2) program crashed: WARNING: lock held when returning to user space in blk_mq_freeze_queue_nomemsave testing program (duration=30s, {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-mount-mkdirat-openat-write-close-openat-write-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./dev\x00', &(0x7f00000001c0)='devtmpfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./config/nullb/nullb1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460)='253:1 1\n\x00', 0x8) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f00000004c0)='251:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40)='0\n\x00', 0x2) program crashed: possible deadlock in blkg_conf_prep testing program (duration=30s, {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-mount-mkdirat-openat-write-close-openat-write-write-write-write-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./dev\x00', &(0x7f00000001c0)='devtmpfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./config/nullb/nullb1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460)='253:1 1\n\x00', 0x8) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f00000004c0)='251:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40)='0\n\x00', 0x2) program did not crash testing program (duration=30s, {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-mount-mkdirat-openat-write-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./dev\x00', &(0x7f00000001c0)='devtmpfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./config/nullb/nullb1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460)='253:1 1\n\x00', 0x8) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f00000004c0)='251:0 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40)='0\n\x00', 0x2) program did not crash testing program (duration=30s, {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-mount-mkdirat-openat-write-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./dev\x00', &(0x7f00000001c0)='devtmpfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./config/nullb/nullb1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460)='253:1 1\n\x00', 0x8) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40)='0\n\x00', 0x2) program crashed: possible deadlock in blkg_conf_prep testing program (duration=30s, {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-mount-mkdirat-openat-write-close-openat-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./dev\x00', &(0x7f00000001c0)='devtmpfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./config/nullb/nullb1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460)='253:1 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40)='0\n\x00', 0x2) program did not crash testing program (duration=30s, {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-mount-mkdirat-openat-write-close-openat-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./dev\x00', &(0x7f00000001c0)='devtmpfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./config/nullb/nullb1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40)='0\n\x00', 0x2) program did not crash testing program (duration=30s, {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-mount-mkdirat-openat-write-close-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./dev\x00', &(0x7f00000001c0)='devtmpfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./config/nullb/nullb1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) write(0xffffffffffffffff, &(0x7f0000000460)='253:1 1\n\x00', 0x8) write(0xffffffffffffffff, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(0xffffffffffffffff, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r1, &(0x7f0000000a40)='0\n\x00', 0x2) program did not crash testing program (duration=30s, {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-mount-mkdirat-openat-write-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./dev\x00', &(0x7f00000001c0)='devtmpfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./config/nullb/nullb1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460)='253:1 1\n\x00', 0x8) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40)='0\n\x00', 0x2) program did not crash testing program (duration=30s, {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-mount-mkdirat-openat-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./dev\x00', &(0x7f00000001c0)='devtmpfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./config/nullb/nullb1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460)='253:1 1\n\x00', 0x8) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40)='0\n\x00', 0x2) program did not crash testing program (duration=30s, {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-mount-mkdirat-write-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./dev\x00', &(0x7f00000001c0)='devtmpfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./config/nullb/nullb1\x00', 0x1ff) write(0xffffffffffffffff, &(0x7f0000000280)='1\n\x00', 0x2) close(0xffffffffffffffff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r0, &(0x7f0000000460)='253:1 1\n\x00', 0x8) write(r0, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r0, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r1, &(0x7f0000000a40)='0\n\x00', 0x2) program did not crash testing program (duration=30s, {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-mount-openat-write-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000000180)='./dev\x00', &(0x7f00000001c0)='devtmpfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460)='253:1 1\n\x00', 0x8) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40)='0\n\x00', 0x2) program did not crash testing program (duration=30s, {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-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./config/nullb/nullb1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460)='253:1 1\n\x00', 0x8) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40)='0\n\x00', 0x2) program crashed: possible deadlock in blkg_conf_prep testing program (duration=30s, {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-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./config/nullb/nullb1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460)='253:1 1\n\x00', 0x8) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40)='0\n\x00', 0x2) program did not crash testing program (duration=30s, {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-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./config/nullb/nullb1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460)='253:1 1\n\x00', 0x8) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40)='0\n\x00', 0x2) program crashed: possible deadlock in blkg_conf_prep testing program (duration=30s, {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-openat-write-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./config/nullb/nullb1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460)='253:1 1\n\x00', 0x8) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40)='0\n\x00', 0x2) program did not crash testing program (duration=30s, {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-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./config/nullb/nullb1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460)='253:1 1\n\x00', 0x8) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40)='0\n\x00', 0x2) program did not crash testing program (duration=30s, {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-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./config/nullb/nullb1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460)='253:1 1\n\x00', 0x8) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40)='0\n\x00', 0x2) program did not crash testing program (duration=30s, {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-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460)='253:1 1\n\x00', 0x8) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40)='0\n\x00', 0x2) program crashed: possible deadlock in blkg_conf_prep testing program (duration=30s, {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-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460)='253:1 1\n\x00', 0x8) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40)='0\n\x00', 0x2) program did not crash testing program (duration=30s, {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-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, 0x0, 0x0) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460)='253:1 1\n\x00', 0x8) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40)='0\n\x00', 0x2) program did not crash testing program (duration=30s, {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-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280), 0x0) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460)='253:1 1\n\x00', 0x8) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40)='0\n\x00', 0x2) program did not crash testing program (duration=30s, {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-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r1, &(0x7f0000000460)='253:1 1\n\x00', 0x8) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40)='0\n\x00', 0x2) program did not crash testing program (duration=30s, {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-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, 0x0, 0x0) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40)='0\n\x00', 0x2) program did not crash testing program (duration=30s, {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-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460), 0x0) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40)='0\n\x00', 0x2) program crashed: possible deadlock in blkg_conf_prep testing program (duration=30s, {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-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460), 0x0) write(r1, 0x0, 0x0) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40)='0\n\x00', 0x2) program did not crash testing program (duration=30s, {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-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460), 0x0) write(r1, &(0x7f0000000480), 0x0) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40)='0\n\x00', 0x2) program did not crash testing program (duration=30s, {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-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460), 0x0) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40)='0\n\x00', 0x2) program did not crash testing program (duration=30s, {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-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460), 0x0) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520), 0x0) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40)='0\n\x00', 0x2) program did not crash testing program (duration=30s, {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-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460), 0x0) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, 0x0, 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40)='0\n\x00', 0x2) program did not crash testing program (duration=30s, {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-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460), 0x0) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r2, &(0x7f0000000a40)='0\n\x00', 0x2) program did not crash testing program (duration=30s, {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-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460), 0x0) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, 0x0, 0x0) program did not crash testing program (duration=30s, {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-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460), 0x0) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40), 0x0) program crashed: possible deadlock in blkg_conf_prep extracting C reproducer testing compiled C program (duration=30s, {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-close-openat-write-write-write-openat-openat-write program did not crash simplifying guilty program options testing program (duration=30s, {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-mkdirat-mkdirat-openat-write-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460), 0x0) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40), 0x0) program crashed: possible deadlock in blkg_conf_prep extracting C reproducer testing compiled C program (duration=30s, {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-mkdirat-mkdirat-openat-write-close-openat-write-write-write-openat-openat-write program crashed: possible deadlock in blkg_conf_prep simplifying C reproducer testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-close-openat-write-write-write-openat-openat-write program did not crash testing compiled C program (duration=30s, {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-mkdirat-mkdirat-openat-write-close-openat-write-write-write-openat-openat-write program did not crash testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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-mkdirat-mkdirat-openat-write-close-openat-write-write-write-openat-openat-write program did not crash testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-close-openat-write-write-write-openat-openat-write program did not crash testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-close-openat-write-write-write-openat-openat-write program did not crash testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-close-openat-write-write-write-openat-openat-write program did not crash testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-close-openat-write-write-write-openat-openat-write program did not crash testing compiled C program (duration=30s, {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:false 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-close-openat-write-write-write-openat-openat-write program did not crash testing compiled C program (duration=30s, {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:false 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-close-openat-write-write-write-openat-openat-write program crashed: possible deadlock in blkg_conf_prep testing compiled C program (duration=30s, {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:false VhciInjection:false 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-close-openat-write-write-write-openat-openat-write program crashed: possible deadlock in blkg_conf_prep testing compiled C program (duration=30s, {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:false VhciInjection:false Wifi:false 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-close-openat-write-write-write-openat-openat-write program crashed: possible deadlock in blkg_conf_prep testing compiled C program (duration=30s, {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:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-openat-write-close-openat-write-write-write-openat-openat-write program did not crash testing compiled C program (duration=30s, {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:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-openat-write-close-openat-write-write-write-openat-openat-write program did not crash testing compiled C program (duration=30s, {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:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:false Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-openat-write-close-openat-write-write-write-openat-openat-write program did not crash testing compiled C program (duration=30s, {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: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-mkdirat-mkdirat-openat-write-close-openat-write-write-write-openat-openat-write program did not crash testing program (duration=30s, {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:false VhciInjection:false Wifi:false 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-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460), 0x0) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40), 0x0) program crashed: possible deadlock in blkg_conf_prep validation run: crashed=true testing program (duration=30s, {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:false VhciInjection:false Wifi:false 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-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460), 0x0) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40), 0x0) program crashed: possible deadlock in blkg_conf_prep validation run: crashed=true testing program (duration=30s, {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:false VhciInjection:false Wifi:false 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-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460), 0x0) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40), 0x0) program did not crash validation run: crashed=false testing program (duration=30s, {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:false VhciInjection:false Wifi:false 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-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460), 0x0) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40), 0x0) program did not crash validation run: crashed=false testing program (duration=30s, {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:false VhciInjection:false Wifi:false 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-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460), 0x0) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40), 0x0) program did not crash validation run: crashed=false testing program (duration=30s, {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:false VhciInjection:false Wifi:false 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-close-openat-write-write-write-openat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r0, &(0x7f0000000280)='1\n\x00', 0x2) close(r0) r1 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./cgroup.net/blkio.throttle.write_iops_device\x00', 0x1, 0x0) write(r1, &(0x7f0000000460), 0x0) write(r1, &(0x7f0000000480)='252:0 1\n\x00', 0x8) write(r1, &(0x7f0000000520)='250:1 1\n\x00', 0x8) openat(0xffffffffffffff9c, &(0x7f0000000740)='./dev/nullb1\x00', 0x4002, 0x0) r2 = openat(0xffffffffffffff9c, &(0x7f0000000a00)='./config/nullb/nullb1/power\x00', 0x1, 0x0) write(r2, &(0x7f0000000a40), 0x0) program crashed: possible deadlock in blkg_conf_prep validation run: crashed=true reproducing took 37m40.552581563s repro crashed as (corrupted=false): ====================================================== WARNING: possible circular locking dependency detected syzkaller #0 Not tainted ------------------------------------------------------ syz.1.18/5973 is trying to acquire lock: ffffffff8efcb2a0 (fs_reclaim){+.+.}-{0:0}, at: might_alloc include/linux/sched/mm.h:316 [inline] ffffffff8efcb2a0 (fs_reclaim){+.+.}-{0:0}, at: slab_pre_alloc_hook mm/slub.c:4636 [inline] ffffffff8efcb2a0 (fs_reclaim){+.+.}-{0:0}, at: slab_alloc_node mm/slub.c:4974 [inline] ffffffff8efcb2a0 (fs_reclaim){+.+.}-{0:0}, at: kmem_cache_alloc_noprof+0x63/0x6a0 mm/slub.c:5010 but task is already holding lock: ffff888029af3270 (&q->blkcg_mutex){+.+.}-{4:4}, at: blkg_conf_prep+0xbc/0xf10 block/blk-cgroup.c:849 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&q->blkcg_mutex){+.+.}-{4:4}: lock_acquire kernel/locking/lockdep.c:5942 [inline] lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5899 __mutex_lock_common kernel/locking/mutex.c:646 [inline] __mutex_lock+0x1a4/0x1bd0 kernel/locking/mutex.c:821 blkcg_activate_policy+0x34f/0xbf0 block/blk-cgroup.c:1608 blk_throtl_init+0x39a/0x5b0 block/blk-throttle.c:1339 tg_set_conf.isra.0+0x252/0x500 block/blk-throttle.c:1368 cgroup_file_write+0x1e6/0x8a0 kernel/cgroup/cgroup.c:4412 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:345 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x6af/0x1050 fs/read_write.c:687 ksys_write+0x12a/0x250 fs/read_write.c:739 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #1 (&q->q_usage_counter(io)#65){++++}-{0:0}: lock_acquire kernel/locking/lockdep.c:5942 [inline] lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5899 blk_alloc_queue+0x610/0x790 block/blk-core.c:504 __blk_alloc_disk+0xa0/0x170 block/genhd.c:1527 zram_add+0x1bf/0x5d0 drivers/block/zram/zram_drv.c:3096 zram_init+0x11c/0x160 drivers/block/zram/zram_drv.c:3296 do_one_initcall+0x11c/0x6f0 init/main.c:1362 do_initcall_level init/main.c:1424 [inline] do_initcalls init/main.c:1440 [inline] do_basic_setup init/main.c:1460 [inline] kernel_init_freeable+0x6ea/0x7b0 init/main.c:1675 kernel_init+0x21/0x1e0 init/main.c:1565 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 -> #0 (fs_reclaim){+.+.}-{0:0}: check_prev_add+0xeb/0xe60 kernel/locking/lockdep.c:3209 check_prevs_add kernel/locking/lockdep.c:3328 [inline] validate_chain kernel/locking/lockdep.c:3952 [inline] __lock_acquire+0x1528/0x1f40 kernel/locking/lockdep.c:5288 lock_acquire kernel/locking/lockdep.c:5942 [inline] lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5899 __fs_reclaim_acquire mm/page_alloc.c:4375 [inline] fs_reclaim_acquire+0xc4/0x100 mm/page_alloc.c:4389 might_alloc include/linux/sched/mm.h:316 [inline] slab_pre_alloc_hook mm/slub.c:4636 [inline] slab_alloc_node mm/slub.c:4974 [inline] kmem_cache_alloc_noprof+0x63/0x6a0 mm/slub.c:5010 __radix_tree_preload+0x333/0x820 lib/radix-tree.c:338 blkg_conf_prep+0x489/0xf10 block/blk-cgroup.c:885 tg_set_conf.isra.0+0x1ed/0x500 block/blk-throttle.c:1373 cgroup_file_write+0x1e6/0x8a0 kernel/cgroup/cgroup.c:4412 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:345 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x6af/0x1050 fs/read_write.c:687 ksys_write+0x12a/0x250 fs/read_write.c:739 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f other info that might help us debug this: Chain exists of: fs_reclaim --> &q->q_usage_counter(io)#65 --> &q->blkcg_mutex Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&q->blkcg_mutex); lock(&q->q_usage_counter(io)#65); lock(&q->blkcg_mutex); lock(fs_reclaim); *** DEADLOCK *** locks held by syz.1.18/5973: 5, last CPU#2: #0: ffff888035b50460 (sb_writers#11){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #1: ffff8880567ea080 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x2c2/0x5f0 fs/kernfs/file.c:336 #2: ffff88803df7ed28 (kn->active#66){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:73 [inline] #2: ffff88803df7ed28 (kn->active#66){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x332/0x5f0 fs/kernfs/file.c:337 #3: ffff888029af30f0 (&q->rq_qos_mutex){+.+.}-{4:4}, at: blkg_conf_open_bdev+0x253/0x410 block/blk-cgroup.c:806 #4: ffff888029af3270 (&q->blkcg_mutex){+.+.}-{4:4}, at: blkg_conf_prep+0xbc/0xf10 block/blk-cgroup.c:849 stack backtrace: CPU: 2 UID: 0 PID: 5973 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 print_circular_bug.cold+0x178/0x1be kernel/locking/lockdep.c:2087 check_noncircular+0x146/0x160 kernel/locking/lockdep.c:2219 check_prev_add+0xeb/0xe60 kernel/locking/lockdep.c:3209 check_prevs_add kernel/locking/lockdep.c:3328 [inline] validate_chain kernel/locking/lockdep.c:3952 [inline] __lock_acquire+0x1528/0x1f40 kernel/locking/lockdep.c:5288 lock_acquire kernel/locking/lockdep.c:5942 [inline] lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5899 __fs_reclaim_acquire mm/page_alloc.c:4375 [inline] fs_reclaim_acquire+0xc4/0x100 mm/page_alloc.c:4389 might_alloc include/linux/sched/mm.h:316 [inline] slab_pre_alloc_hook mm/slub.c:4636 [inline] slab_alloc_node mm/slub.c:4974 [inline] kmem_cache_alloc_noprof+0x63/0x6a0 mm/slub.c:5010 __radix_tree_preload+0x333/0x820 lib/radix-tree.c:338 blkg_conf_prep+0x489/0xf10 block/blk-cgroup.c:885 tg_set_conf.isra.0+0x1ed/0x500 block/blk-throttle.c:1373 cgroup_file_write+0x1e6/0x8a0 kernel/cgroup/cgroup.c:4412 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:345 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x6af/0x1050 fs/read_write.c:687 ksys_write+0x12a/0x250 fs/read_write.c:739 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f52cbf9e159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc6fd5fea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f52cc225fa0 RCX: 00007f52cbf9e159 RDX: 0000000000000008 RSI: 0000200000000480 RDI: 0000000000000003 RBP: 00007f52cc03506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f52cc225fac R14: 00007f52cc225fa0 R15: 00007f52cc225fa0 final repro crashed as (corrupted=false): ====================================================== WARNING: possible circular locking dependency detected syzkaller #0 Not tainted ------------------------------------------------------ syz.1.18/5973 is trying to acquire lock: ffffffff8efcb2a0 (fs_reclaim){+.+.}-{0:0}, at: might_alloc include/linux/sched/mm.h:316 [inline] ffffffff8efcb2a0 (fs_reclaim){+.+.}-{0:0}, at: slab_pre_alloc_hook mm/slub.c:4636 [inline] ffffffff8efcb2a0 (fs_reclaim){+.+.}-{0:0}, at: slab_alloc_node mm/slub.c:4974 [inline] ffffffff8efcb2a0 (fs_reclaim){+.+.}-{0:0}, at: kmem_cache_alloc_noprof+0x63/0x6a0 mm/slub.c:5010 but task is already holding lock: ffff888029af3270 (&q->blkcg_mutex){+.+.}-{4:4}, at: blkg_conf_prep+0xbc/0xf10 block/blk-cgroup.c:849 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&q->blkcg_mutex){+.+.}-{4:4}: lock_acquire kernel/locking/lockdep.c:5942 [inline] lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5899 __mutex_lock_common kernel/locking/mutex.c:646 [inline] __mutex_lock+0x1a4/0x1bd0 kernel/locking/mutex.c:821 blkcg_activate_policy+0x34f/0xbf0 block/blk-cgroup.c:1608 blk_throtl_init+0x39a/0x5b0 block/blk-throttle.c:1339 tg_set_conf.isra.0+0x252/0x500 block/blk-throttle.c:1368 cgroup_file_write+0x1e6/0x8a0 kernel/cgroup/cgroup.c:4412 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:345 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x6af/0x1050 fs/read_write.c:687 ksys_write+0x12a/0x250 fs/read_write.c:739 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #1 (&q->q_usage_counter(io)#65){++++}-{0:0}: lock_acquire kernel/locking/lockdep.c:5942 [inline] lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5899 blk_alloc_queue+0x610/0x790 block/blk-core.c:504 __blk_alloc_disk+0xa0/0x170 block/genhd.c:1527 zram_add+0x1bf/0x5d0 drivers/block/zram/zram_drv.c:3096 zram_init+0x11c/0x160 drivers/block/zram/zram_drv.c:3296 do_one_initcall+0x11c/0x6f0 init/main.c:1362 do_initcall_level init/main.c:1424 [inline] do_initcalls init/main.c:1440 [inline] do_basic_setup init/main.c:1460 [inline] kernel_init_freeable+0x6ea/0x7b0 init/main.c:1675 kernel_init+0x21/0x1e0 init/main.c:1565 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 -> #0 (fs_reclaim){+.+.}-{0:0}: check_prev_add+0xeb/0xe60 kernel/locking/lockdep.c:3209 check_prevs_add kernel/locking/lockdep.c:3328 [inline] validate_chain kernel/locking/lockdep.c:3952 [inline] __lock_acquire+0x1528/0x1f40 kernel/locking/lockdep.c:5288 lock_acquire kernel/locking/lockdep.c:5942 [inline] lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5899 __fs_reclaim_acquire mm/page_alloc.c:4375 [inline] fs_reclaim_acquire+0xc4/0x100 mm/page_alloc.c:4389 might_alloc include/linux/sched/mm.h:316 [inline] slab_pre_alloc_hook mm/slub.c:4636 [inline] slab_alloc_node mm/slub.c:4974 [inline] kmem_cache_alloc_noprof+0x63/0x6a0 mm/slub.c:5010 __radix_tree_preload+0x333/0x820 lib/radix-tree.c:338 blkg_conf_prep+0x489/0xf10 block/blk-cgroup.c:885 tg_set_conf.isra.0+0x1ed/0x500 block/blk-throttle.c:1373 cgroup_file_write+0x1e6/0x8a0 kernel/cgroup/cgroup.c:4412 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:345 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x6af/0x1050 fs/read_write.c:687 ksys_write+0x12a/0x250 fs/read_write.c:739 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f other info that might help us debug this: Chain exists of: fs_reclaim --> &q->q_usage_counter(io)#65 --> &q->blkcg_mutex Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&q->blkcg_mutex); lock(&q->q_usage_counter(io)#65); lock(&q->blkcg_mutex); lock(fs_reclaim); *** DEADLOCK *** locks held by syz.1.18/5973: 5, last CPU#2: #0: ffff888035b50460 (sb_writers#11){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739 #1: ffff8880567ea080 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x2c2/0x5f0 fs/kernfs/file.c:336 #2: ffff88803df7ed28 (kn->active#66){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:73 [inline] #2: ffff88803df7ed28 (kn->active#66){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x332/0x5f0 fs/kernfs/file.c:337 #3: ffff888029af30f0 (&q->rq_qos_mutex){+.+.}-{4:4}, at: blkg_conf_open_bdev+0x253/0x410 block/blk-cgroup.c:806 #4: ffff888029af3270 (&q->blkcg_mutex){+.+.}-{4:4}, at: blkg_conf_prep+0xbc/0xf10 block/blk-cgroup.c:849 stack backtrace: CPU: 2 UID: 0 PID: 5973 Comm: syz.1.18 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 print_circular_bug.cold+0x178/0x1be kernel/locking/lockdep.c:2087 check_noncircular+0x146/0x160 kernel/locking/lockdep.c:2219 check_prev_add+0xeb/0xe60 kernel/locking/lockdep.c:3209 check_prevs_add kernel/locking/lockdep.c:3328 [inline] validate_chain kernel/locking/lockdep.c:3952 [inline] __lock_acquire+0x1528/0x1f40 kernel/locking/lockdep.c:5288 lock_acquire kernel/locking/lockdep.c:5942 [inline] lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5899 __fs_reclaim_acquire mm/page_alloc.c:4375 [inline] fs_reclaim_acquire+0xc4/0x100 mm/page_alloc.c:4389 might_alloc include/linux/sched/mm.h:316 [inline] slab_pre_alloc_hook mm/slub.c:4636 [inline] slab_alloc_node mm/slub.c:4974 [inline] kmem_cache_alloc_noprof+0x63/0x6a0 mm/slub.c:5010 __radix_tree_preload+0x333/0x820 lib/radix-tree.c:338 blkg_conf_prep+0x489/0xf10 block/blk-cgroup.c:885 tg_set_conf.isra.0+0x1ed/0x500 block/blk-throttle.c:1373 cgroup_file_write+0x1e6/0x8a0 kernel/cgroup/cgroup.c:4412 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:345 new_sync_write fs/read_write.c:595 [inline] vfs_write+0x6af/0x1050 fs/read_write.c:687 ksys_write+0x12a/0x250 fs/read_write.c:739 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f52cbf9e159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc6fd5fea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f52cc225fa0 RCX: 00007f52cbf9e159 RDX: 0000000000000008 RSI: 0000200000000480 RDI: 0000000000000003 RBP: 00007f52cc03506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f52cc225fac R14: 00007f52cc225fa0 R15: 00007f52cc225fa0