Extracting prog: 15m42.648041302s
Minimizing prog: 25m52.989839294s
Simplifying prog options: 5m24.440628323s
Extracting C: 2m10.767018917s
Simplifying C: 0s


extracting reproducer from 9 programs
testing a last program of every proc
single: executing 5 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-close-openat-write-close-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/class/fcloop/ctl/add_target_port\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='wwnn=0x1000000044001122,wwpn=0x20000', 0x24)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/class/fcloop/ctl/add_local_port\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='wwnn=0x1000000044001123,wwpn=0x2000000044001123\n', 0x30)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/class/fcloop/ctl/add_remote_port\x00', 0x1, 0x0)
write(r2, &(0x7f0000000340)='wwnn=0x1000000044001122,wwpn=0x2000000044001122,lpwwnn=0x1000000044001123,lpwwpn=0x20000000', 0x5b)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-openat-write-close-openat-write-close-openat-mkdirat-openat-write-mkdirat-write-close-openat-write-openat-openat$nvme_fabrics-write-unlinkat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000100)='./config\x00', &(0x7f0000000180)='configfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/class/fcloop/ctl/add_target_port\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='wwnn=0x1000000044001122,wwpn=0x2000000044001122\n', 0x30)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/class/fcloop/ctl/add_local_port\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='wwnn=0x1000000044001123,wwpn=0x2000000044001123\n', 0x30)
close(r1)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/class/fcloop/ctl/add_remote_port\x00', 0x1, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/nvmet/subsystems/testsubsys\x00', 0x1ff)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000440)='./config/nvmet/subsystems/testsubsys/attr_allow_any_host\x00', 0x1, 0x0)
write(r2, &(0x7f0000000480)='1\n', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000500)='./config/nvmet/ports/1\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000580)='fc\n', 0x3)
close(0xffffffffffffffff)
r3 = openat(0xffffffffffffff9c, &(0x7f00000005c0)='./config/nvmet/ports/1/addr_adrfam\x00', 0x1, 0x0)
write(r3, &(0x7f0000000600)='fc\n', 0x3)
openat(0xffffffffffffff9c, &(0x7f0000000640)='./config/nvmet/ports/1/addr_traddr\x00', 0x1, 0x0)
r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000800), 0x2, 0x0)
write(r4, &(0x7f0000000880)='transport=fc,traddr=nn-0x1000000044001122:pn-0x2000000044001122,host_traddr=nn-0x1000000044001123:pn-0x2000000044001123,nqn=testsubsys\n', 0x83)
unlinkat(0xffffffffffffff9c, &(0x7f0000000780)='./config/nvmet/ports/1/subsystems/testsubsys\x00', 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-ftruncate-mkdirat-mount-mkdirat-mount-mkdirat-openat-write-mkdirat-openat-write-openat-write-openat-write-mkdirat-openat-write-openat-write-openat-write-openat-write-symlinkat-openat$nvme_fabrics-write-openat-write-nanosleep-openat-pwrite64
detailed listing:
executing program 0:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x42, 0x1b6)
ftruncate(r0, 0x1000000)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000140)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f00000001c0)='./dev\x00', &(0x7f0000000200)='devtmpfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nvmet/subsystems/testsubsys\x00', 0x1ff)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./config/nvmet/subsystems/testsubsys/attr_allow_any_host\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='1\n', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./config/nvmet/subsystems/testsubsys/namespaces/1\x00', 0x1ff)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000340)='./config/nvmet/subsystems/testsubsys/namespaces/1/buffered_io\x00', 0x1, 0x0)
write(r2, &(0x7f0000000380)='1\n', 0x2)
r3 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/nvmet/subsystems/testsubsys/namespaces/1/device_path\x00', 0x1, 0x0)
write(r3, &(0x7f0000000400)='./file0\n', 0x8)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000440)='./config/nvmet/subsystems/testsubsys/namespaces/1/enable\x00', 0x1, 0x0)
write(r4, &(0x7f0000000480)='1\n', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/nvmet/ports/1\x00', 0x1ff)
r5 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./config/nvmet/ports/1/addr_trtype\x00', 0x1, 0x0)
write(r5, &(0x7f0000000540)='tcp\n', 0x4)
r6 = openat(0xffffffffffffff9c, &(0x7f0000000580)='./config/nvmet/ports/1/addr_adrfam\x00', 0x1, 0x0)
write(r6, &(0x7f00000005c0)='ipv4\n', 0x5)
r7 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./config/nvmet/ports/1/addr_traddr\x00', 0x1, 0x0)
write(r7, &(0x7f0000000640)='127.0.0.1\n', 0xa)
r8 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./config/nvmet/ports/1/addr_trsvcid\x00', 0x1, 0x0)
write(r8, &(0x7f00000006c0)='4420\n', 0x5)
symlinkat(&(0x7f0000000700)='./config/nvmet/subsystems/testsubsys\x00', 0xffffffffffffff9c, &(0x7f0000000740)='./config/nvmet/ports/1/subsystems/testsubsys\x00')
r9 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000780), 0x2, 0x0)
write(r9, &(0x7f00000007c0)='transport=tcp,traddr=127.0.0.1,trsvcid=4420,nqn=testsubsys\n', 0x3b)
r10 = openat(0xffffffffffffff9c, &(0x7f0000000800)='./config/nvmet/ports/1/param_inline_data_size\x00', 0x1, 0x0)
write(r10, &(0x7f0000000840)='0\n', 0x2)
nanosleep(&(0x7f0000000100)={0x0, 0x1dcd6500}, 0x0)
r11 = openat(0xffffffffffffff9c, &(0x7f0000000880)='./dev/nvme0n1\x00', 0x2, 0x0)
pwrite64(r11, &(0x7f0000001000)='\x00'/16384, 0x4000, 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-close
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/class/scsi_host/host0/scan\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='- - -\n', 0x6)
close(r0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-close-openat-write-close-openat-write-close
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/suspend/parameters/pm_test_delay\x00', 0x2, 0x0)
write(r0, &(0x7f0000000140)='0\n', 0x2)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/power/pm_test\x00', 0x2, 0x0)
write(r1, &(0x7f00000001c0)='freezer\n', 0x8)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/power/state\x00', 0x2, 0x0)
write(r2, &(0x7f0000000240)='freeze\n', 0x7)
close(r2)

program did not crash
single: failed to extract reproducer
bisect: bisecting 9 programs with base timeout 30s
testing program (duration=32s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): [11, 6, 5, 7, 33, 15, 11, 23, 10]
detailed listing:
executing program 1:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/suspend/parameters/pm_test_delay\x00', 0x2, 0x0)
write(r0, &(0x7f0000000140)='0\n', 0x2)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/power/pm_test\x00', 0x2, 0x0)
write(r1, &(0x7f00000001c0)='freezer\n', 0x8)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/power/state\x00', 0x2, 0x0)
write(r2, &(0x7f0000000240)='freeze\n', 0x7)
close(r2)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='isp1760\x00', 0x7)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./file0\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='pcspkr\x00', 0x6)
executing program 3:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/class/scsi_host/host0/scan\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='- - -\n', 0x6)
close(r0)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000040)='./sys/bus/pci/drivers/virtio-pci\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='./sys/bus/pci/drivers/ahci\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/drivers/bochs-drm\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/pci/drivers/pcieport\x00', 0x0, 0x0)
executing program 2:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x42, 0x1b6)
ftruncate(r0, 0x1000000)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000140)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f00000001c0)='./dev\x00', &(0x7f0000000200)='devtmpfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nvmet/subsystems/testsubsys\x00', 0x1ff)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./config/nvmet/subsystems/testsubsys/attr_allow_any_host\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='1\n', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./config/nvmet/subsystems/testsubsys/namespaces/1\x00', 0x1ff)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000340)='./config/nvmet/subsystems/testsubsys/namespaces/1/buffered_io\x00', 0x1, 0x0)
write(r2, &(0x7f0000000380)='1\n', 0x2)
r3 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/nvmet/subsystems/testsubsys/namespaces/1/device_path\x00', 0x1, 0x0)
write(r3, &(0x7f0000000400)='./file0\n', 0x8)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000440)='./config/nvmet/subsystems/testsubsys/namespaces/1/enable\x00', 0x1, 0x0)
write(r4, &(0x7f0000000480)='1\n', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/nvmet/ports/1\x00', 0x1ff)
r5 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./config/nvmet/ports/1/addr_trtype\x00', 0x1, 0x0)
write(r5, &(0x7f0000000540)='tcp\n', 0x4)
r6 = openat(0xffffffffffffff9c, &(0x7f0000000580)='./config/nvmet/ports/1/addr_adrfam\x00', 0x1, 0x0)
write(r6, &(0x7f00000005c0)='ipv4\n', 0x5)
r7 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./config/nvmet/ports/1/addr_traddr\x00', 0x1, 0x0)
write(r7, &(0x7f0000000640)='127.0.0.1\n', 0xa)
r8 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./config/nvmet/ports/1/addr_trsvcid\x00', 0x1, 0x0)
write(r8, &(0x7f00000006c0)='4420\n', 0x5)
symlinkat(&(0x7f0000000700)='./config/nvmet/subsystems/testsubsys\x00', 0xffffffffffffff9c, &(0x7f0000000740)='./config/nvmet/ports/1/subsystems/testsubsys\x00')
r9 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000780), 0x2, 0x0)
write(r9, &(0x7f00000007c0)='transport=tcp,traddr=127.0.0.1,trsvcid=4420,nqn=testsubsys\n', 0x3b)
r10 = openat(0xffffffffffffff9c, &(0x7f0000000800)='./config/nvmet/ports/1/param_inline_data_size\x00', 0x1, 0x0)
write(r10, &(0x7f0000000840)='0\n', 0x2)
nanosleep(&(0x7f0000000100)={0x0, 0x1dcd6500}, 0x0)
r11 = openat(0xffffffffffffff9c, &(0x7f0000000880)='./dev/nvme0n1\x00', 0x2, 0x0)
pwrite64(r11, &(0x7f0000001000)='\x00'/16384, 0x4000, 0x0)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000100)='./config\x00', &(0x7f0000000180)='configfs\x00', 0x0, 0x0)
close(0xffffffffffffffff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/class/fcloop/ctl/add_local_port\x00', 0x1, 0x0)
write(r0, &(0x7f00000002c0)='wwnn=0x1000000044001123,wwpn=0x2000000044001123\n', 0x30)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/class/fcloop/ctl/add_remote_port\x00', 0x1, 0x0)
write(r1, &(0x7f0000000340)='wwnn=0x1000000044001122,wwpn=0x2000000044001122,lpwwnn=0x1000000044001123,lpwwpn=0x2000000044001123\n', 0x64)
close(r1)
write(0xffffffffffffffff, &(0x7f0000000480)='1\n', 0x2)
close(0xffffffffffffffff)
write(0xffffffffffffffff, &(0x7f0000000580)='fc\n', 0x3)
symlinkat(&(0x7f0000000700)='./config/nvmet/subsystems/testsubsys\x00', 0xffffffffffffff9c, &(0x7f0000000780)='./config/nvmet/ports/1/subsystems/testsubsys\x00')
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sec\x00', 0x1ff)
mount(&(0x7f0000000800)=@filename='none\x00', &(0x7f0000000000)='./sec\x00', &(0x7f0000000100)='securityfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sec/tomoyo/exception_policy\x00', 0x2, 0x0)
write(r0, &(0x7f0000000300)='address_group grp1 0.0.0.0-255.255.255.255\naddress_group grp1 ::-ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff\nacl_group 0 network inet stream bind @grp1 0-65535\nacl_group 0 network inet dgram bind @grp1 0-65535\n', 0xda)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sec/tomoyo/domain_policy\x00', 0x2, 0x0)
write(r1, &(0x7f0000000400)='select pid=1\nuse_group 0\nnetwork inet stream bind @grp1 0-65535\nnetwork inet dgram bind @grp1 0-65535\nselect pid=2\nuse_group 0\nnetwork inet stream bind @grp1 0-65535\nnetwork inet dgram bind @grp1 0-65535\nselect pid=3\nuse_group 0\nnetwork inet stream bind @grp1 0-65535\nnetwork inet dgram bind @grp1 0-65535\nselect pid=4\nuse_group 0\nnetwork inet stream bind @grp1 0-65535\nnetwork inet dgram bind @grp1 0-65535\nselect pid=5\nuse_group 0\nnetwork inet stream bind @grp1 0-65535\nnetwork inet dgram bind @grp1 0-65535\n<kernel>\nuse_group 0\nnetwork inet stream bind @grp1 0-65535\nnetwork inet dgram bind @grp1 0-65535\n<kernel> /init\nuse_group 0\nnetwork inet stream bind @grp1 0-65535\nnetwork inet dgram bind @grp1 0-65535\n<kernel> /sbin/init\nuse_group 0\nnetwork inet stream bind @grp1 0-65535\nnetwork inet dgram bind @grp1 0-65535\n<kernel> /syz-executor\nuse_group 0\nnetwork inet stream bind @grp1 0-65535\nnetwork inet dgram bind @grp1 0-65535\n<kernel> /init /syz-executor\nuse_group 0\nnetwork inet stream bind @grp1 0-65535\nnetwork inet dgram bind @grp1 0-65535\n<kernel>', 0x423)
close(r1)
bind$inet(0xffffffffffffffff, &(0x7f0000000500)={0x2, 0x4e20, @local}, 0x10)
r2 = socket$inet6_tcp(0xa, 0x1, 0x0)
bind$inet6(r2, &(0x7f0000000600)={0xa, 0x4e21, 0x0, @empty}, 0x1c)
socket$inet_udp(0x2, 0x2, 0x0)
executing program 4:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000100)='./config\x00', &(0x7f0000000180)='configfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/class/fcloop/ctl/add_target_port\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='wwnn=0x1000000044001122,wwpn=0x2000000044001122\n', 0x30)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/class/fcloop/ctl/add_local_port\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='wwnn=0x1000000044001123,wwpn=0x2000000044001123\n', 0x30)
close(r1)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/class/fcloop/ctl/add_remote_port\x00', 0x1, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/nvmet/subsystems/testsubsys\x00', 0x1ff)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000440)='./config/nvmet/subsystems/testsubsys/attr_allow_any_host\x00', 0x1, 0x0)
write(r2, &(0x7f0000000480)='1\n', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000500)='./config/nvmet/ports/1\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000580)='fc\n', 0x3)
close(0xffffffffffffffff)
r3 = openat(0xffffffffffffff9c, &(0x7f00000005c0)='./config/nvmet/ports/1/addr_adrfam\x00', 0x1, 0x0)
write(r3, &(0x7f0000000600)='fc\n', 0x3)
openat(0xffffffffffffff9c, &(0x7f0000000640)='./config/nvmet/ports/1/addr_traddr\x00', 0x1, 0x0)
r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000800), 0x2, 0x0)
write(r4, &(0x7f0000000880)='transport=fc,traddr=nn-0x1000000044001122:pn-0x2000000044001122,host_traddr=nn-0x1000000044001123:pn-0x2000000044001123,nqn=testsubsys\n', 0x83)
unlinkat(0xffffffffffffff9c, &(0x7f0000000780)='./config/nvmet/ports/1/subsystems/testsubsys\x00', 0x0)
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/class/fcloop/ctl/add_target_port\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='wwnn=0x1000000044001122,wwpn=0x20000', 0x24)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/class/fcloop/ctl/add_local_port\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='wwnn=0x1000000044001123,wwpn=0x2000000044001123\n', 0x30)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/class/fcloop/ctl/add_remote_port\x00', 0x1, 0x0)
write(r2, &(0x7f0000000340)='wwnn=0x1000000044001122,wwpn=0x2000000044001122,lpwwnn=0x1000000044001123,lpwwpn=0x20000000', 0x5b)

program did not crash
replaying the whole log did not cause a kernel crash
single: executing 5 programs separately with timeout 1m40s
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-close-openat-write-close-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/class/fcloop/ctl/add_target_port\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='wwnn=0x1000000044001122,wwpn=0x20000', 0x24)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/class/fcloop/ctl/add_local_port\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='wwnn=0x1000000044001123,wwpn=0x2000000044001123\n', 0x30)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/class/fcloop/ctl/add_remote_port\x00', 0x1, 0x0)
write(r2, &(0x7f0000000340)='wwnn=0x1000000044001122,wwpn=0x2000000044001122,lpwwnn=0x1000000044001123,lpwwpn=0x20000000', 0x5b)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-openat-write-close-openat-write-close-openat-mkdirat-openat-write-mkdirat-write-close-openat-write-openat-openat$nvme_fabrics-write-unlinkat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./config\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='none\x00', &(0x7f0000000100)='./config\x00', &(0x7f0000000180)='configfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/class/fcloop/ctl/add_target_port\x00', 0x1, 0x0)
write(r0, &(0x7f0000000240)='wwnn=0x1000000044001122,wwpn=0x2000000044001122\n', 0x30)
close(r0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./sys/class/fcloop/ctl/add_local_port\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='wwnn=0x1000000044001123,wwpn=0x2000000044001123\n', 0x30)
close(r1)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/class/fcloop/ctl/add_remote_port\x00', 0x1, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000400)='./config/nvmet/subsystems/testsubsys\x00', 0x1ff)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000440)='./config/nvmet/subsystems/testsubsys/attr_allow_any_host\x00', 0x1, 0x0)
write(r2, &(0x7f0000000480)='1\n', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000500)='./config/nvmet/ports/1\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000580)='fc\n', 0x3)
close(0xffffffffffffffff)
r3 = openat(0xffffffffffffff9c, &(0x7f00000005c0)='./config/nvmet/ports/1/addr_adrfam\x00', 0x1, 0x0)
write(r3, &(0x7f0000000600)='fc\n', 0x3)
openat(0xffffffffffffff9c, &(0x7f0000000640)='./config/nvmet/ports/1/addr_traddr\x00', 0x1, 0x0)
r4 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000800), 0x2, 0x0)
write(r4, &(0x7f0000000880)='transport=fc,traddr=nn-0x1000000044001122:pn-0x2000000044001122,host_traddr=nn-0x1000000044001123:pn-0x2000000044001123,nqn=testsubsys\n', 0x83)
unlinkat(0xffffffffffffff9c, &(0x7f0000000780)='./config/nvmet/ports/1/subsystems/testsubsys\x00', 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-ftruncate-mkdirat-mount-mkdirat-mount-mkdirat-openat-write-mkdirat-openat-write-openat-write-openat-write-mkdirat-openat-write-openat-write-openat-write-openat-write-symlinkat-openat$nvme_fabrics-write-openat-write-nanosleep-openat-pwrite64
detailed listing:
executing program 0:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000040)='./file0\x00', 0x42, 0x1b6)
ftruncate(r0, 0x1000000)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./config\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./config\x00', &(0x7f0000000140)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000180)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f00000001c0)='./dev\x00', &(0x7f0000000200)='devtmpfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./config/nvmet/subsystems/testsubsys\x00', 0x1ff)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000280)='./config/nvmet/subsystems/testsubsys/attr_allow_any_host\x00', 0x1, 0x0)
write(r1, &(0x7f00000002c0)='1\n', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000300)='./config/nvmet/subsystems/testsubsys/namespaces/1\x00', 0x1ff)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000340)='./config/nvmet/subsystems/testsubsys/namespaces/1/buffered_io\x00', 0x1, 0x0)
write(r2, &(0x7f0000000380)='1\n', 0x2)
r3 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/nvmet/subsystems/testsubsys/namespaces/1/device_path\x00', 0x1, 0x0)
write(r3, &(0x7f0000000400)='./file0\n', 0x8)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000440)='./config/nvmet/subsystems/testsubsys/namespaces/1/enable\x00', 0x1, 0x0)
write(r4, &(0x7f0000000480)='1\n', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/nvmet/ports/1\x00', 0x1ff)
r5 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./config/nvmet/ports/1/addr_trtype\x00', 0x1, 0x0)
write(r5, &(0x7f0000000540)='tcp\n', 0x4)
r6 = openat(0xffffffffffffff9c, &(0x7f0000000580)='./config/nvmet/ports/1/addr_adrfam\x00', 0x1, 0x0)
write(r6, &(0x7f00000005c0)='ipv4\n', 0x5)
r7 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./config/nvmet/ports/1/addr_traddr\x00', 0x1, 0x0)
write(r7, &(0x7f0000000640)='127.0.0.1\n', 0xa)
r8 = openat(0xffffffffffffff9c, &(0x7f0000000680)='./config/nvmet/ports/1/addr_trsvcid\x00', 0x1, 0x0)
write(r8, &(0x7f00000006c0)='4420\n', 0x5)
symlinkat(&(0x7f0000000700)='./config/nvmet/subsystems/testsubsys\x00', 0xffffffffffffff9c, &(0x7f0000000740)='./config/nvmet/ports/1/subsystems/testsubsys\x00')
r9 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000780), 0x2, 0x0)
write(r9, &(0x7f00000007c0)='transport=tcp,traddr=127.0.0.1,trsvcid=4420,nqn=testsubsys\n', 0x3b)
r10 = openat(0xffffffffffffff9c, &(0x7f0000000800)='./config/nvmet/ports/1/param_inline_data_size\x00', 0x1, 0x0)
write(r10, &(0x7f0000000840)='0\n', 0x2)
nanosleep(&(0x7f0000000100)={0x0, 0x1dcd6500}, 0x0)
r11 = openat(0xffffffffffffff9c, &(0x7f0000000880)='./dev/nvme0n1\x00', 0x2, 0x0)
pwrite64(r11, &(0x7f0000001000)='\x00'/16384, 0x4000, 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-close
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/class/scsi_host/host0/scan\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='- - -\n', 0x6)
close(r0)

program crashed: WARNING: kobject bug in __scsi_remove_device
single: successfully extracted reproducer
found reproducer with 5 syscalls
minimizing guilty program
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/class/scsi_host/host0/scan\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='- - -\n', 0x6)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-close
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/class/scsi_host/host0/scan\x00', 0x1, 0x0)
close(r0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-write-close
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
write(0xffffffffffffffff, &(0x7f0000000140)='- - -\n', 0x6)
close(0xffffffffffffffff)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat-write-close
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/class/scsi_host/host0/scan\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='- - -\n', 0x6)
close(r0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount-openat-write-close
detailed listing:
executing program 0:
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/class/scsi_host/host0/scan\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='- - -\n', 0x6)
close(r0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-close
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/class/scsi_host/host0/scan\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='- - -\n', 0x6)
close(r0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-close
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/class/scsi_host/host0/scan\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='- - -\n', 0x6)
close(r0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-close
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', 0x0, 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/class/scsi_host/host0/scan\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='- - -\n', 0x6)
close(r0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-close
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, &(0x7f0000000140)='- - -\n', 0x6)
close(r0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-close
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/class/scsi_host/host0/scan\x00', 0x1, 0x0)
write(r0, 0x0, 0x0)
close(r0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-close
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/class/scsi_host/host0/scan\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140), 0x0)
close(r0)

program did not crash
extracting C reproducer
testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-close
program did not crash
simplifying guilty program options
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-close
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/class/scsi_host/host0/scan\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='- - -\n', 0x6)
close(r0)

program crashed: WARNING: kobject bug in __scsi_remove_device
extracting C reproducer
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-close
program did not crash
testing program (duration=1m40s, {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-openat-write-close
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/class/scsi_host/host0/scan\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='- - -\n', 0x6)
close(r0)

program did not crash
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-close
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/class/scsi_host/host0/scan\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='- - -\n', 0x6)
close(r0)

program crashed: WARNING: kobject bug in __scsi_remove_device
validation run: crashed=true
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-close
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/class/scsi_host/host0/scan\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='- - -\n', 0x6)
close(r0)

program did not crash
validation run: crashed=false
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-close
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/class/scsi_host/host0/scan\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='- - -\n', 0x6)
close(r0)

program crashed: WARNING: kobject bug in __scsi_remove_device
validation run: crashed=true
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-close
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/class/scsi_host/host0/scan\x00', 0x1, 0x0)
write(r0, &(0x7f0000000140)='- - -\n', 0x6)
close(r0)

program crashed: WARNING: kobject bug in __scsi_remove_device
validation run: crashed=true
reproducing took 56m30.482806401s
repro crashed as (corrupted=false):
------------[ cut here ]------------
kobject: '(null)' (ffff8880571146f8): is not initialized, yet kobject_put() is being called.
WARNING: CPU: 0 PID: 4481 at lib/kobject.c:728 kobject_put+0x8c/0x450 lib/kobject.c:726
Modules linked in:
CPU: 0 PID: 4481 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:kobject_put+0x8c/0x450 lib/kobject.c:726
Code: 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 c6 05 b4 f7 48 8b 33 48 c7 c7 00 ec b1 8b 48 89 da e8 54 1e 2e f7 <0f> 0b eb 05 e8 0b ab 62 f7 4c 8d 73 38 4c 89 f7 be 04 00 00 00 e8
RSP: 0018:ffffc900035b75e0 EFLAGS: 00010246
RAX: 33bd1340df7a5200 RBX: ffff8880571146f8 RCX: ffff8880296b1e00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: 0000000000000000 R08: ffffc900035b7267 R09: 1ffff920006b6e4c
R10: dffffc0000000000 R11: fffff520006b6e4d R12: 1ffff1100ae228e6
R13: dffffc0000000000 R14: ffff888057114734 R15: 0000000000000200
FS:  000055556d927500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fddfc1bd4e8 CR3: 0000000059854000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __scsi_remove_device+0xc8/0x3b0 drivers/scsi/scsi_sysfs.c:1477
 scsi_alloc_sdev+0x91d/0xae0 drivers/scsi/scsi_scan.c:380
 scsi_probe_and_add_lun+0x1a0/0x44b0 drivers/scsi/scsi_scan.c:1183
 __scsi_scan_target+0x1d4/0x1050 drivers/scsi/scsi_scan.c:1715
 scsi_scan_channel drivers/scsi/scsi_scan.c:1803 [inline]
 scsi_scan_host_selected+0x374/0x6a0 drivers/scsi/scsi_scan.c:1832
 scsi_scan drivers/scsi/scsi_sysfs.c:151 [inline]
 store_scan+0x49c/0x530 drivers/scsi/scsi_sysfs.c:191
 kernfs_fop_write_iter+0x3a0/0x520 fs/kernfs/file.c:352
 call_write_iter include/linux/fs.h:2271 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x482/0x9a0 fs/read_write.c:584
 ksys_write+0x14d/0x260 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f093159e159
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:00007ffd355830c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f0931825fa0 RCX: 00007f093159e159
RDX: 0000000000000006 RSI: 0000200000000140 RDI: 0000000000000003
RBP: 00007f093163506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0931825fac R14: 00007f0931825fa0 R15: 00007f0931825fa0
 </TASK>

final repro crashed as (corrupted=false):
------------[ cut here ]------------
kobject: '(null)' (ffff8880571146f8): is not initialized, yet kobject_put() is being called.
WARNING: CPU: 0 PID: 4481 at lib/kobject.c:728 kobject_put+0x8c/0x450 lib/kobject.c:726
Modules linked in:
CPU: 0 PID: 4481 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
RIP: 0010:kobject_put+0x8c/0x450 lib/kobject.c:726
Code: 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 c6 05 b4 f7 48 8b 33 48 c7 c7 00 ec b1 8b 48 89 da e8 54 1e 2e f7 <0f> 0b eb 05 e8 0b ab 62 f7 4c 8d 73 38 4c 89 f7 be 04 00 00 00 e8
RSP: 0018:ffffc900035b75e0 EFLAGS: 00010246
RAX: 33bd1340df7a5200 RBX: ffff8880571146f8 RCX: ffff8880296b1e00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002
RBP: 0000000000000000 R08: ffffc900035b7267 R09: 1ffff920006b6e4c
R10: dffffc0000000000 R11: fffff520006b6e4d R12: 1ffff1100ae228e6
R13: dffffc0000000000 R14: ffff888057114734 R15: 0000000000000200
FS:  000055556d927500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fddfc1bd4e8 CR3: 0000000059854000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __scsi_remove_device+0xc8/0x3b0 drivers/scsi/scsi_sysfs.c:1477
 scsi_alloc_sdev+0x91d/0xae0 drivers/scsi/scsi_scan.c:380
 scsi_probe_and_add_lun+0x1a0/0x44b0 drivers/scsi/scsi_scan.c:1183
 __scsi_scan_target+0x1d4/0x1050 drivers/scsi/scsi_scan.c:1715
 scsi_scan_channel drivers/scsi/scsi_scan.c:1803 [inline]
 scsi_scan_host_selected+0x374/0x6a0 drivers/scsi/scsi_scan.c:1832
 scsi_scan drivers/scsi/scsi_sysfs.c:151 [inline]
 store_scan+0x49c/0x530 drivers/scsi/scsi_sysfs.c:191
 kernfs_fop_write_iter+0x3a0/0x520 fs/kernfs/file.c:352
 call_write_iter include/linux/fs.h:2271 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x482/0x9a0 fs/read_write.c:584
 ksys_write+0x14d/0x260 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f093159e159
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:00007ffd355830c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f0931825fa0 RCX: 00007f093159e159
RDX: 0000000000000006 RSI: 0000200000000140 RDI: 0000000000000003
RBP: 00007f093163506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0931825fac R14: 00007f0931825fa0 R15: 00007f0931825fa0
 </TASK>