Extracting prog: 36.294346618s
Minimizing prog: 45m10.17079058s
Simplifying prog options: 0s
Extracting C: 1m26.832672686s
Simplifying C: 10m23.332395794s
extracting reproducer from 36 programs
first checking the prog from the crash report
single: executing 1 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}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs-socket$inet6-sendmsg
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={&(0x7f0000000680)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x1b, 0x1b, 0x2, [@datasec={0x1, 0x1, 0x0, 0xf, 0x3, [{0x4, 0x5, 0xcd}], 'M6U'}]}}, &(0x7f00000000c0)=""/3, 0x36, 0x3, 0x1, 0x9}, 0x28)
r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000700)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f0000000740)=@str='raid1', 0x5)
r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000780)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0)
write$md_sysfs(r2, &(0x7f00000007c0)=@str='2', 0x1)
r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000800)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0)
write$md_sysfs(r3, &(0x7f0000000840)=@str='512', 0x3)
r4 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000880)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0)
write$md_sysfs(r4, &(0x7f00000008c0)=@dev={'1:', 0x0}, 0x16)
r5 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000940)={'/sys/block/md', @num=0x0, '/md/', @rdev={@ram={'dev-ram', 0x0}, 'slot\x00'}}, 0x1, 0x0)
write$md_sysfs(r5, &(0x7f0000000980)=@str='0', 0x1)
r6 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000a40)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0)
write$md_sysfs(r6, &(0x7f0000000a80)=@str='active', 0x6)
write$md_sysfs(r6, &(0x7f0000000b40)=@str='clear', 0x5)
socket$inet6(0xa, 0x3, 0xff)
sendmsg(0xffffffffffffffff, &(0x7f0000000580)={0x0, 0x0, 0x0}, 0x4080)
program crashed: general protection fault in __percpu_ref_switch_mode
single: successfully extracted reproducer
found reproducer with 19 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}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs-socket$inet6
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={&(0x7f0000000680)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x1b, 0x1b, 0x2, [@datasec={0x1, 0x1, 0x0, 0xf, 0x3, [{0x4, 0x5, 0xcd}], 'M6U'}]}}, &(0x7f00000000c0)=""/3, 0x36, 0x3, 0x1, 0x9}, 0x28)
r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000700)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f0000000740)=@str='raid1', 0x5)
r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000780)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0)
write$md_sysfs(r2, &(0x7f00000007c0)=@str='2', 0x1)
r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000800)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0)
write$md_sysfs(r3, &(0x7f0000000840)=@str='512', 0x3)
r4 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000880)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0)
write$md_sysfs(r4, &(0x7f00000008c0)=@dev={'1:', 0x0}, 0x16)
r5 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000940)={'/sys/block/md', @num=0x0, '/md/', @rdev={@ram={'dev-ram', 0x0}, 'slot\x00'}}, 0x1, 0x0)
write$md_sysfs(r5, &(0x7f0000000980)=@str='0', 0x1)
r6 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000a40)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0)
write$md_sysfs(r6, &(0x7f0000000a80)=@str='active', 0x6)
write$md_sysfs(r6, &(0x7f0000000b40)=@str='clear', 0x5)
socket$inet6(0xa, 0x3, 0xff)
program crashed: general protection fault in __percpu_ref_switch_mode
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}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={&(0x7f0000000680)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x1b, 0x1b, 0x2, [@datasec={0x1, 0x1, 0x0, 0xf, 0x3, [{0x4, 0x5, 0xcd}], 'M6U'}]}}, &(0x7f00000000c0)=""/3, 0x36, 0x3, 0x1, 0x9}, 0x28)
r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000700)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f0000000740)=@str='raid1', 0x5)
r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000780)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0)
write$md_sysfs(r2, &(0x7f00000007c0)=@str='2', 0x1)
r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000800)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0)
write$md_sysfs(r3, &(0x7f0000000840)=@str='512', 0x3)
r4 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000880)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0)
write$md_sysfs(r4, &(0x7f00000008c0)=@dev={'1:', 0x0}, 0x16)
r5 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000940)={'/sys/block/md', @num=0x0, '/md/', @rdev={@ram={'dev-ram', 0x0}, 'slot\x00'}}, 0x1, 0x0)
write$md_sysfs(r5, &(0x7f0000000980)=@str='0', 0x1)
r6 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000a40)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0)
write$md_sysfs(r6, &(0x7f0000000a80)=@str='active', 0x6)
write$md_sysfs(r6, &(0x7f0000000b40)=@str='clear', 0x5)
program crashed: general protection fault in __percpu_ref_switch_mode
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}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={&(0x7f0000000680)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x1b, 0x1b, 0x2, [@datasec={0x1, 0x1, 0x0, 0xf, 0x3, [{0x4, 0x5, 0xcd}], 'M6U'}]}}, &(0x7f00000000c0)=""/3, 0x36, 0x3, 0x1, 0x9}, 0x28)
r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000700)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f0000000740)=@str='raid1', 0x5)
r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000780)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0)
write$md_sysfs(r2, &(0x7f00000007c0)=@str='2', 0x1)
r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000800)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0)
write$md_sysfs(r3, &(0x7f0000000840)=@str='512', 0x3)
r4 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000880)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0)
write$md_sysfs(r4, &(0x7f00000008c0)=@dev={'1:', 0x0}, 0x16)
r5 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000940)={'/sys/block/md', @num=0x0, '/md/', @rdev={@ram={'dev-ram', 0x0}, 'slot\x00'}}, 0x1, 0x0)
write$md_sysfs(r5, &(0x7f0000000980)=@str='0', 0x1)
r6 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000a40)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0)
write$md_sysfs(r6, &(0x7f0000000a80)=@str='active', 0x6)
program crashed: general protection fault in __percpu_ref_switch_mode
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}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={&(0x7f0000000680)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x1b, 0x1b, 0x2, [@datasec={0x1, 0x1, 0x0, 0xf, 0x3, [{0x4, 0x5, 0xcd}], 'M6U'}]}}, &(0x7f00000000c0)=""/3, 0x36, 0x3, 0x1, 0x9}, 0x28)
r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000700)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f0000000740)=@str='raid1', 0x5)
r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000780)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0)
write$md_sysfs(r2, &(0x7f00000007c0)=@str='2', 0x1)
r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000800)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0)
write$md_sysfs(r3, &(0x7f0000000840)=@str='512', 0x3)
r4 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000880)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0)
write$md_sysfs(r4, &(0x7f00000008c0)=@dev={'1:', 0x0}, 0x16)
r5 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000940)={'/sys/block/md', @num=0x0, '/md/', @rdev={@ram={'dev-ram', 0x0}, 'slot\x00'}}, 0x1, 0x0)
write$md_sysfs(r5, &(0x7f0000000980)=@str='0', 0x1)
openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000a40)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0)
program crashed: general protection fault in __percpu_ref_switch_mode
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}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={&(0x7f0000000680)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x1b, 0x1b, 0x2, [@datasec={0x1, 0x1, 0x0, 0xf, 0x3, [{0x4, 0x5, 0xcd}], 'M6U'}]}}, &(0x7f00000000c0)=""/3, 0x36, 0x3, 0x1, 0x9}, 0x28)
r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000700)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f0000000740)=@str='raid1', 0x5)
r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000780)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0)
write$md_sysfs(r2, &(0x7f00000007c0)=@str='2', 0x1)
r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000800)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0)
write$md_sysfs(r3, &(0x7f0000000840)=@str='512', 0x3)
r4 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000880)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0)
write$md_sysfs(r4, &(0x7f00000008c0)=@dev={'1:', 0x0}, 0x16)
r5 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000940)={'/sys/block/md', @num=0x0, '/md/', @rdev={@ram={'dev-ram', 0x0}, 'slot\x00'}}, 0x1, 0x0)
write$md_sysfs(r5, &(0x7f0000000980)=@str='0', 0x1)
program crashed: general protection fault in __percpu_ref_switch_mode
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}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={&(0x7f0000000680)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x1b, 0x1b, 0x2, [@datasec={0x1, 0x1, 0x0, 0xf, 0x3, [{0x4, 0x5, 0xcd}], 'M6U'}]}}, &(0x7f00000000c0)=""/3, 0x36, 0x3, 0x1, 0x9}, 0x28)
r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000700)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f0000000740)=@str='raid1', 0x5)
r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000780)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0)
write$md_sysfs(r2, &(0x7f00000007c0)=@str='2', 0x1)
r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000800)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0)
write$md_sysfs(r3, &(0x7f0000000840)=@str='512', 0x3)
r4 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000880)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0)
write$md_sysfs(r4, &(0x7f00000008c0)=@dev={'1:', 0x0}, 0x16)
openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000940)={'/sys/block/md', @num=0x0, '/md/', @rdev={@ram={'dev-ram', 0x0}, 'slot\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}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={&(0x7f0000000680)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x1b, 0x1b, 0x2, [@datasec={0x1, 0x1, 0x0, 0xf, 0x3, [{0x4, 0x5, 0xcd}], 'M6U'}]}}, &(0x7f00000000c0)=""/3, 0x36, 0x3, 0x1, 0x9}, 0x28)
r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000700)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f0000000740)=@str='raid1', 0x5)
r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000780)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0)
write$md_sysfs(r2, &(0x7f00000007c0)=@str='2', 0x1)
r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000800)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0)
write$md_sysfs(r3, &(0x7f0000000840)=@str='512', 0x3)
r4 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000880)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0)
write$md_sysfs(r4, &(0x7f00000008c0)=@dev={'1:', 0x0}, 0x16)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000980)=@str='0', 0x1)
program crashed: general protection fault in __percpu_ref_switch_mode
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}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={&(0x7f0000000680)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x1b, 0x1b, 0x2, [@datasec={0x1, 0x1, 0x0, 0xf, 0x3, [{0x4, 0x5, 0xcd}], 'M6U'}]}}, &(0x7f00000000c0)=""/3, 0x36, 0x3, 0x1, 0x9}, 0x28)
r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000700)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f0000000740)=@str='raid1', 0x5)
r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000780)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0)
write$md_sysfs(r2, &(0x7f00000007c0)=@str='2', 0x1)
r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000800)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0)
write$md_sysfs(r3, &(0x7f0000000840)=@str='512', 0x3)
openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000880)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000980)=@str='0', 0x1)
program crashed: general protection fault in __percpu_ref_switch_mode
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}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={&(0x7f0000000680)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x1b, 0x1b, 0x2, [@datasec={0x1, 0x1, 0x0, 0xf, 0x3, [{0x4, 0x5, 0xcd}], 'M6U'}]}}, &(0x7f00000000c0)=""/3, 0x36, 0x3, 0x1, 0x9}, 0x28)
r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000700)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f0000000740)=@str='raid1', 0x5)
r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000780)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0)
write$md_sysfs(r2, &(0x7f00000007c0)=@str='2', 0x1)
r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000800)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0)
write$md_sysfs(r3, &(0x7f0000000840)=@str='512', 0x3)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000980)=@str='0', 0x1)
program crashed: general protection fault in __percpu_ref_switch_mode
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}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={&(0x7f0000000680)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x1b, 0x1b, 0x2, [@datasec={0x1, 0x1, 0x0, 0xf, 0x3, [{0x4, 0x5, 0xcd}], 'M6U'}]}}, &(0x7f00000000c0)=""/3, 0x36, 0x3, 0x1, 0x9}, 0x28)
r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000700)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f0000000740)=@str='raid1', 0x5)
r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000780)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0)
write$md_sysfs(r2, &(0x7f00000007c0)=@str='2', 0x1)
openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000800)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000980)=@str='0', 0x1)
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}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs-write$md_sysfs
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={&(0x7f0000000680)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x1b, 0x1b, 0x2, [@datasec={0x1, 0x1, 0x0, 0xf, 0x3, [{0x4, 0x5, 0xcd}], 'M6U'}]}}, &(0x7f00000000c0)=""/3, 0x36, 0x3, 0x1, 0x9}, 0x28)
r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000700)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f0000000740)=@str='raid1', 0x5)
r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000780)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0)
write$md_sysfs(r2, &(0x7f00000007c0)=@str='2', 0x1)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000840)=@str='512', 0x3)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000980)=@str='0', 0x1)
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}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={&(0x7f0000000680)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x1b, 0x1b, 0x2, [@datasec={0x1, 0x1, 0x0, 0xf, 0x3, [{0x4, 0x5, 0xcd}], 'M6U'}]}}, &(0x7f00000000c0)=""/3, 0x36, 0x3, 0x1, 0x9}, 0x28)
r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000700)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f0000000740)=@str='raid1', 0x5)
openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000780)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0)
r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000800)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0)
write$md_sysfs(r2, &(0x7f0000000840)=@str='512', 0x3)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000980)=@str='0', 0x1)
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}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-openat$md_sysfs-write$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={&(0x7f0000000680)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x1b, 0x1b, 0x2, [@datasec={0x1, 0x1, 0x0, 0xf, 0x3, [{0x4, 0x5, 0xcd}], 'M6U'}]}}, &(0x7f00000000c0)=""/3, 0x36, 0x3, 0x1, 0x9}, 0x28)
r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000700)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f0000000740)=@str='raid1', 0x5)
write$md_sysfs(0xffffffffffffffff, &(0x7f00000007c0)=@str='2', 0x1)
r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000800)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0)
write$md_sysfs(r2, &(0x7f0000000840)=@str='512', 0x3)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000980)=@str='0', 0x1)
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}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-openat$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={&(0x7f0000000680)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x1b, 0x1b, 0x2, [@datasec={0x1, 0x1, 0x0, 0xf, 0x3, [{0x4, 0x5, 0xcd}], 'M6U'}]}}, &(0x7f00000000c0)=""/3, 0x36, 0x3, 0x1, 0x9}, 0x28)
r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3)
openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000700)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000780)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f00000007c0)=@str='2', 0x1)
r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000800)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0)
write$md_sysfs(r2, &(0x7f0000000840)=@str='512', 0x3)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000980)=@str='0', 0x1)
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}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={&(0x7f0000000680)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x1b, 0x1b, 0x2, [@datasec={0x1, 0x1, 0x0, 0xf, 0x3, [{0x4, 0x5, 0xcd}], 'M6U'}]}}, &(0x7f00000000c0)=""/3, 0x36, 0x3, 0x1, 0x9}, 0x28)
r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000740)=@str='raid1', 0x5)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000780)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f00000007c0)=@str='2', 0x1)
r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000800)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0)
write$md_sysfs(r2, &(0x7f0000000840)=@str='512', 0x3)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000980)=@str='0', 0x1)
program crashed: general protection fault in __percpu_ref_switch_mode
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}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={&(0x7f0000000680)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x1b, 0x1b, 0x2, [@datasec={0x1, 0x1, 0x0, 0xf, 0x3, [{0x4, 0x5, 0xcd}], 'M6U'}]}}, &(0x7f00000000c0)=""/3, 0x36, 0x3, 0x1, 0x9}, 0x28)
openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000740)=@str='raid1', 0x5)
r0 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000780)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0)
write$md_sysfs(r0, &(0x7f00000007c0)=@str='2', 0x1)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000800)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f0000000840)=@str='512', 0x3)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000980)=@str='0', 0x1)
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}}): socket$inet_udp-bpf$BPF_BTF_LOAD-write$md_new_array-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={&(0x7f0000000680)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x1b, 0x1b, 0x2, [@datasec={0x1, 0x1, 0x0, 0xf, 0x3, [{0x4, 0x5, 0xcd}], 'M6U'}]}}, &(0x7f00000000c0)=""/3, 0x36, 0x3, 0x1, 0x9}, 0x28)
write$md_new_array(0xffffffffffffffff, &(0x7f0000000080)={'md', @num=0x0}, 0x3)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000740)=@str='raid1', 0x5)
r0 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000780)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0)
write$md_sysfs(r0, &(0x7f00000007c0)=@str='2', 0x1)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000800)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f0000000840)=@str='512', 0x3)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000980)=@str='0', 0x1)
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}}): socket$inet_udp-openat$md_new_array-write$md_new_array-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000740)=@str='raid1', 0x5)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000780)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f00000007c0)=@str='2', 0x1)
r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000800)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0)
write$md_sysfs(r2, &(0x7f0000000840)=@str='512', 0x3)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000980)=@str='0', 0x1)
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}}): bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
detailed listing:
executing program 0:
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={&(0x7f0000000680)={{0xeb9f, 0x1, 0x0, 0x18, 0x0, 0x1b, 0x1b, 0x2, [@datasec={0x1, 0x1, 0x0, 0xf, 0x3, [{0x4, 0x5, 0xcd}], 'M6U'}]}}, &(0x7f00000000c0)=""/3, 0x36, 0x3, 0x1, 0x9}, 0x28)
r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000740)=@str='raid1', 0x5)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000780)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f00000007c0)=@str='2', 0x1)
r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000800)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0)
write$md_sysfs(r2, &(0x7f0000000840)=@str='512', 0x3)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000980)=@str='0', 0x1)
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}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
bpf$BPF_BTF_LOAD(0x12, 0x0, 0x0)
r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000740)=@str='raid1', 0x5)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000780)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f00000007c0)=@str='2', 0x1)
r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000800)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0)
write$md_sysfs(r2, &(0x7f0000000840)=@str='512', 0x3)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000980)=@str='0', 0x1)
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}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={0x0, &(0x7f00000000c0)=""/3, 0x0, 0x3, 0x1, 0x9}, 0x28)
r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000740)=@str='raid1', 0x5)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000780)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f00000007c0)=@str='2', 0x1)
r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000800)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0)
write$md_sysfs(r2, &(0x7f0000000840)=@str='512', 0x3)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000980)=@str='0', 0x1)
program crashed: general protection fault in __percpu_ref_switch_mode
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}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x1, 0x9}, 0x28)
r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000740)=@str='raid1', 0x5)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000780)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f00000007c0)=@str='2', 0x1)
r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000800)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0)
write$md_sysfs(r2, &(0x7f0000000840)=@str='512', 0x3)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000980)=@str='0', 0x1)
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}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={0x0, &(0x7f00000000c0)=""/3, 0x0, 0x3, 0x1, 0x9}, 0x28)
r0 = openat$md_new_array(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000740)=@str='raid1', 0x5)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000780)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f00000007c0)=@str='2', 0x1)
r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000800)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0)
write$md_sysfs(r2, &(0x7f0000000840)=@str='512', 0x3)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000980)=@str='0', 0x1)
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}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={0x0, &(0x7f00000000c0)=""/3, 0x0, 0x3, 0x1, 0x9}, 0x28)
r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$md_new_array(r0, 0x0, 0x0)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000740)=@str='raid1', 0x5)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000780)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f00000007c0)=@str='2', 0x1)
r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000800)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0)
write$md_sysfs(r2, &(0x7f0000000840)=@str='512', 0x3)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000980)=@str='0', 0x1)
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}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={0x0, &(0x7f00000000c0)=""/3, 0x0, 0x3, 0x1, 0x9}, 0x28)
r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3)
write$md_sysfs(0xffffffffffffffff, 0x0, 0x0)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000780)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f00000007c0)=@str='2', 0x1)
r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000800)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0)
write$md_sysfs(r2, &(0x7f0000000840)=@str='512', 0x3)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000980)=@str='0', 0x1)
program crashed: general protection fault in __percpu_ref_switch_mode
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}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={0x0, &(0x7f00000000c0)=""/3, 0x0, 0x3, 0x1, 0x9}, 0x28)
r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3)
write$md_sysfs(0xffffffffffffffff, 0x0, 0x0)
r1 = openat$md_sysfs(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f00000007c0)=@str='2', 0x1)
r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000800)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0)
write$md_sysfs(r2, &(0x7f0000000840)=@str='512', 0x3)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000980)=@str='0', 0x1)
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}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={0x0, &(0x7f00000000c0)=""/3, 0x0, 0x3, 0x1, 0x9}, 0x28)
r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3)
write$md_sysfs(0xffffffffffffffff, 0x0, 0x0)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000780)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0)
write$md_sysfs(r1, 0x0, 0x0)
r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000800)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0)
write$md_sysfs(r2, &(0x7f0000000840)=@str='512', 0x3)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000980)=@str='0', 0x1)
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}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={0x0, &(0x7f00000000c0)=""/3, 0x0, 0x3, 0x1, 0x9}, 0x28)
r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3)
write$md_sysfs(0xffffffffffffffff, 0x0, 0x0)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000780)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f00000007c0)=@str='2', 0x1)
r2 = openat$md_sysfs(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write$md_sysfs(r2, &(0x7f0000000840)=@str='512', 0x3)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000980)=@str='0', 0x1)
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}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={0x0, &(0x7f00000000c0)=""/3, 0x0, 0x3, 0x1, 0x9}, 0x28)
r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3)
write$md_sysfs(0xffffffffffffffff, 0x0, 0x0)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000780)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f00000007c0)=@str='2', 0x1)
r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000800)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0)
write$md_sysfs(r2, 0x0, 0x0)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000980)=@str='0', 0x1)
program crashed: general protection fault in __percpu_ref_switch_mode
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}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={0x0, &(0x7f00000000c0)=""/3, 0x0, 0x3, 0x1, 0x9}, 0x28)
r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3)
write$md_sysfs(0xffffffffffffffff, 0x0, 0x0)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000780)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f00000007c0)=@str='2', 0x1)
r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000800)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0)
write$md_sysfs(r2, 0x0, 0x0)
write$md_sysfs(0xffffffffffffffff, 0x0, 0x0)
program did not crash
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}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
program crashed: general protection fault in __percpu_ref_switch_mode
simplifying 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}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
program crashed: general protection fault in __percpu_ref_switch_mode
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}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
program crashed: general protection fault in __percpu_ref_switch_mode
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
program crashed: general protection fault in __percpu_ref_switch_mode
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
program crashed: general protection fault in __percpu_ref_switch_mode
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
program crashed: general protection fault in __percpu_ref_switch_mode
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
program crashed: general protection fault in __percpu_ref_switch_mode
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
program crashed: general protection fault in __percpu_ref_switch_mode
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={0x0, &(0x7f00000000c0)=""/3, 0x0, 0x3, 0x1, 0x9}, 0x28)
r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3)
write$md_sysfs(0xffffffffffffffff, 0x0, 0x0)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000780)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f00000007c0)=@str='2', 0x1)
r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000800)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0)
write$md_sysfs(r2, 0x0, 0x0)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000980)=@str='0', 0x1)
program crashed: general protection fault in __percpu_ref_switch_mode
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={0x0, &(0x7f00000000c0)=""/3, 0x0, 0x3, 0x1, 0x9}, 0x28)
r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3)
write$md_sysfs(0xffffffffffffffff, 0x0, 0x0)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000780)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f00000007c0)=@str='2', 0x1)
r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000800)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0)
write$md_sysfs(r2, 0x0, 0x0)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000980)=@str='0', 0x1)
program crashed: general protection fault in __percpu_ref_switch_mode
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet_udp-bpf$BPF_BTF_LOAD-openat$md_new_array-write$md_new_array-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs
detailed listing:
executing program 0:
socket$inet_udp(0x2, 0x2, 0x0)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000000)={0x0, &(0x7f00000000c0)=""/3, 0x0, 0x3, 0x1, 0x9}, 0x28)
r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0)
write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3)
write$md_sysfs(0xffffffffffffffff, 0x0, 0x0)
r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000780)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0)
write$md_sysfs(r1, &(0x7f00000007c0)=@str='2', 0x1)
r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000800)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0)
write$md_sysfs(r2, 0x0, 0x0)
write$md_sysfs(0xffffffffffffffff, &(0x7f0000000980)=@str='0', 0x1)
program crashed: general protection fault in __percpu_ref_switch_mode
validation run: crashed=true
reproducing took 1h4m15.469587342s
repro crashed as (corrupted=false):
general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
CPU: 0 PID: 5985 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:__percpu_ref_switch_mode+0x123/0x5f0 lib/percpu-refcount.c:277
Code: 31 ff 89 c6 e8 0e d1 59 fd 45 85 ff 0f 84 5a 04 00 00 e8 50 cd 59 fd eb 05 e8 49 cd 59 fd 4d 8d 74 24 10 4d 89 f5 49 c1 ed 03 <41> 80 7c 1d 00 00 74 08 4c 89 f7 e8 9d d2 b2 fd 49 83 3e 00 0f 84
RSP: 0018:ffffc900034c78e0 EFLAGS: 00010002
RAX: ffffffff842e0690 RBX: dffffc0000000000 RCX: ffff888022cc8000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900034c79f8 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000698f1c R12: 0000000000000000
R13: 0000000000000002 R14: 0000000000000010 R15: 0000000000000001
FS: 000055557852f500(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ff24008 CR3: 000000007635a000 CR4: 00000000003506f0
Call Trace:
percpu_ref_kill_and_confirm+0x9b/0x130 lib/percpu-refcount.c:395
percpu_ref_kill include/linux/percpu-refcount.h:149 [inline]
__mddev_suspend+0x2d1/0x630 drivers/md/md.c:533
mddev_suspend_and_lock drivers/md/md.h:876 [inline]
raid_disks_store+0xb8/0x550 drivers/md/md.c:4320
md_attr_store+0x19c/0x390 drivers/md/md.c:5756
kernfs_fop_write_iter+0x3a4/0x520 fs/kernfs/file.c:352
call_write_iter include/linux/fs.h:2019 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x474/0x9a0 fs/read_write.c:584
ksys_write+0x151/0x260 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f41f4f9f559
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:00007ffc505e8368 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f41f5225fa0 RCX: 00007f41f4f9f559
RDX: 0000000000000001 RSI: 00002000000007c0 RDI: 0000000000000005
RBP: 00007f41f5036b20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f41f5225fac R14: 00007f41f5225fa0 R15: 00007f41f5225fa0
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__percpu_ref_switch_mode+0x123/0x5f0 lib/percpu-refcount.c:277
Code: 31 ff 89 c6 e8 0e d1 59 fd 45 85 ff 0f 84 5a 04 00 00 e8 50 cd 59 fd eb 05 e8 49 cd 59 fd 4d 8d 74 24 10 4d 89 f5 49 c1 ed 03 <41> 80 7c 1d 00 00 74 08 4c 89 f7 e8 9d d2 b2 fd 49 83 3e 00 0f 84
RSP: 0018:ffffc900034c78e0 EFLAGS: 00010002
RAX: ffffffff842e0690 RBX: dffffc0000000000 RCX: ffff888022cc8000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900034c79f8 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000698f1c R12: 0000000000000000
R13: 0000000000000002 R14: 0000000000000010 R15: 0000000000000001
FS: 000055557852f500(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ff24008 CR3: 000000007635a000 CR4: 00000000003506f0
----------------
Code disassembly (best guess):
0: 31 ff xor %edi,%edi
2: 89 c6 mov %eax,%esi
4: e8 0e d1 59 fd call 0xfd59d117
9: 45 85 ff test %r15d,%r15d
c: 0f 84 5a 04 00 00 je 0x46c
12: e8 50 cd 59 fd call 0xfd59cd67
17: eb 05 jmp 0x1e
19: e8 49 cd 59 fd call 0xfd59cd67
1e: 4d 8d 74 24 10 lea 0x10(%r12),%r14
23: 4d 89 f5 mov %r14,%r13
26: 49 c1 ed 03 shr $0x3,%r13
* 2a: 41 80 7c 1d 00 00 cmpb $0x0,0x0(%r13,%rbx,1) <-- trapping instruction
30: 74 08 je 0x3a
32: 4c 89 f7 mov %r14,%rdi
35: e8 9d d2 b2 fd call 0xfdb2d2d7
3a: 49 83 3e 00 cmpq $0x0,(%r14)
3e: 0f .byte 0xf
3f: 84 .byte 0x84
final repro crashed as (corrupted=false):
general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
CPU: 0 PID: 5985 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:__percpu_ref_switch_mode+0x123/0x5f0 lib/percpu-refcount.c:277
Code: 31 ff 89 c6 e8 0e d1 59 fd 45 85 ff 0f 84 5a 04 00 00 e8 50 cd 59 fd eb 05 e8 49 cd 59 fd 4d 8d 74 24 10 4d 89 f5 49 c1 ed 03 <41> 80 7c 1d 00 00 74 08 4c 89 f7 e8 9d d2 b2 fd 49 83 3e 00 0f 84
RSP: 0018:ffffc900034c78e0 EFLAGS: 00010002
RAX: ffffffff842e0690 RBX: dffffc0000000000 RCX: ffff888022cc8000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900034c79f8 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000698f1c R12: 0000000000000000
R13: 0000000000000002 R14: 0000000000000010 R15: 0000000000000001
FS: 000055557852f500(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ff24008 CR3: 000000007635a000 CR4: 00000000003506f0
Call Trace:
percpu_ref_kill_and_confirm+0x9b/0x130 lib/percpu-refcount.c:395
percpu_ref_kill include/linux/percpu-refcount.h:149 [inline]
__mddev_suspend+0x2d1/0x630 drivers/md/md.c:533
mddev_suspend_and_lock drivers/md/md.h:876 [inline]
raid_disks_store+0xb8/0x550 drivers/md/md.c:4320
md_attr_store+0x19c/0x390 drivers/md/md.c:5756
kernfs_fop_write_iter+0x3a4/0x520 fs/kernfs/file.c:352
call_write_iter include/linux/fs.h:2019 [inline]
new_sync_write fs/read_write.c:491 [inline]
vfs_write+0x474/0x9a0 fs/read_write.c:584
ksys_write+0x151/0x260 fs/read_write.c:637
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f41f4f9f559
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:00007ffc505e8368 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f41f5225fa0 RCX: 00007f41f4f9f559
RDX: 0000000000000001 RSI: 00002000000007c0 RDI: 0000000000000005
RBP: 00007f41f5036b20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f41f5225fac R14: 00007f41f5225fa0 R15: 00007f41f5225fa0
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__percpu_ref_switch_mode+0x123/0x5f0 lib/percpu-refcount.c:277
Code: 31 ff 89 c6 e8 0e d1 59 fd 45 85 ff 0f 84 5a 04 00 00 e8 50 cd 59 fd eb 05 e8 49 cd 59 fd 4d 8d 74 24 10 4d 89 f5 49 c1 ed 03 <41> 80 7c 1d 00 00 74 08 4c 89 f7 e8 9d d2 b2 fd 49 83 3e 00 0f 84
RSP: 0018:ffffc900034c78e0 EFLAGS: 00010002
RAX: ffffffff842e0690 RBX: dffffc0000000000 RCX: ffff888022cc8000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc900034c79f8 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff52000698f1c R12: 0000000000000000
R13: 0000000000000002 R14: 0000000000000010 R15: 0000000000000001
FS: 000055557852f500(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ff24008 CR3: 000000007635a000 CR4: 00000000003506f0
----------------
Code disassembly (best guess):
0: 31 ff xor %edi,%edi
2: 89 c6 mov %eax,%esi
4: e8 0e d1 59 fd call 0xfd59d117
9: 45 85 ff test %r15d,%r15d
c: 0f 84 5a 04 00 00 je 0x46c
12: e8 50 cd 59 fd call 0xfd59cd67
17: eb 05 jmp 0x1e
19: e8 49 cd 59 fd call 0xfd59cd67
1e: 4d 8d 74 24 10 lea 0x10(%r12),%r14
23: 4d 89 f5 mov %r14,%r13
26: 49 c1 ed 03 shr $0x3,%r13
* 2a: 41 80 7c 1d 00 00 cmpb $0x0,0x0(%r13,%rbx,1) <-- trapping instruction
30: 74 08 je 0x3a
32: 4c 89 f7 mov %r14,%rdi
35: e8 9d d2 b2 fd call 0xfdb2d2d7
3a: 49 83 3e 00 cmpq $0x0,(%r14)
3e: 0f .byte 0xf
3f: 84 .byte 0x84