Extracting prog: 2m17.504218959s Minimizing prog: 42m16.055185461s Simplifying prog options: 0s Extracting C: 32.310756781s Simplifying C: 6m57.39202878s extracting reproducer from 31 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}}): 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$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md-pwrite64-close-write$md_sysfs detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000000c0)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000100)=@str='raid1', 0x5) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) write$md_sysfs(r2, &(0x7f0000000180)=@str='2', 0x1) r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) write$md_sysfs(r3, &(0x7f0000000200)=@str='512', 0x3) r4 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000240)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0) write$md_sysfs(r4, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(r4, &(0x7f00000002c0)=@dev={'1:', 0x1}, 0x16) r5 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000300)={'/sys/block/md', @num=0x0, '/md/', @rdev={@ram={'dev-ram', 0x0}, 'slot\x00'}}, 0x1, 0x0) write$md_sysfs(r5, &(0x7f0000000340)=@str='0', 0x1) r6 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000380)={'/sys/block/md', @num=0x0, '/md/', @rdev={@ram={'dev-ram', 0x1}, 'slot\x00'}}, 0x1, 0x0) write$md_sysfs(r6, &(0x7f00000003c0)=@str='1', 0x1) r7 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000400)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0) write$md_sysfs(r7, &(0x7f0000000440)=@str='active', 0x6) r8 = openat$md(0xffffffffffffff9c, &(0x7f0000000480)={'/dev/md', @num=0x0}, 0x2, 0x0) pwrite64(r8, &(0x7f00000004c0)="aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0x20, 0x1000) close(r8) write$md_sysfs(r7, &(0x7f0000000500)=@str='clear', 0x5) program crashed: general protection fault in __percpu_ref_switch_mode single: successfully extracted reproducer found reproducer with 21 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}}): 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$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md-pwrite64-close detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000000c0)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000100)=@str='raid1', 0x5) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) write$md_sysfs(r2, &(0x7f0000000180)=@str='2', 0x1) r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) write$md_sysfs(r3, &(0x7f0000000200)=@str='512', 0x3) r4 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000240)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0) write$md_sysfs(r4, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(r4, &(0x7f00000002c0)=@dev={'1:', 0x1}, 0x16) r5 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000300)={'/sys/block/md', @num=0x0, '/md/', @rdev={@ram={'dev-ram', 0x0}, 'slot\x00'}}, 0x1, 0x0) write$md_sysfs(r5, &(0x7f0000000340)=@str='0', 0x1) r6 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000380)={'/sys/block/md', @num=0x0, '/md/', @rdev={@ram={'dev-ram', 0x1}, 'slot\x00'}}, 0x1, 0x0) write$md_sysfs(r6, &(0x7f00000003c0)=@str='1', 0x1) r7 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000400)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0) write$md_sysfs(r7, &(0x7f0000000440)=@str='active', 0x6) r8 = openat$md(0xffffffffffffff9c, &(0x7f0000000480)={'/dev/md', @num=0x0}, 0x2, 0x0) pwrite64(r8, &(0x7f00000004c0)="aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0x20, 0x1000) close(r8) 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}}): 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$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md-pwrite64 detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000000c0)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000100)=@str='raid1', 0x5) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) write$md_sysfs(r2, &(0x7f0000000180)=@str='2', 0x1) r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) write$md_sysfs(r3, &(0x7f0000000200)=@str='512', 0x3) r4 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000240)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0) write$md_sysfs(r4, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(r4, &(0x7f00000002c0)=@dev={'1:', 0x1}, 0x16) r5 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000300)={'/sys/block/md', @num=0x0, '/md/', @rdev={@ram={'dev-ram', 0x0}, 'slot\x00'}}, 0x1, 0x0) write$md_sysfs(r5, &(0x7f0000000340)=@str='0', 0x1) r6 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000380)={'/sys/block/md', @num=0x0, '/md/', @rdev={@ram={'dev-ram', 0x1}, 'slot\x00'}}, 0x1, 0x0) write$md_sysfs(r6, &(0x7f00000003c0)=@str='1', 0x1) r7 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000400)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0) write$md_sysfs(r7, &(0x7f0000000440)=@str='active', 0x6) r8 = openat$md(0xffffffffffffff9c, &(0x7f0000000480)={'/dev/md', @num=0x0}, 0x2, 0x0) pwrite64(r8, &(0x7f00000004c0)="aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0x20, 0x1000) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md-close detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000000c0)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000100)=@str='raid1', 0x5) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) write$md_sysfs(r2, &(0x7f0000000180)=@str='2', 0x1) r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) write$md_sysfs(r3, &(0x7f0000000200)=@str='512', 0x3) r4 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000240)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0) write$md_sysfs(r4, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(r4, &(0x7f00000002c0)=@dev={'1:', 0x1}, 0x16) r5 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000300)={'/sys/block/md', @num=0x0, '/md/', @rdev={@ram={'dev-ram', 0x0}, 'slot\x00'}}, 0x1, 0x0) write$md_sysfs(r5, &(0x7f0000000340)=@str='0', 0x1) r6 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000380)={'/sys/block/md', @num=0x0, '/md/', @rdev={@ram={'dev-ram', 0x1}, 'slot\x00'}}, 0x1, 0x0) write$md_sysfs(r6, &(0x7f00000003c0)=@str='1', 0x1) r7 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000400)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0) write$md_sysfs(r7, &(0x7f0000000440)=@str='active', 0x6) r8 = openat$md(0xffffffffffffff9c, &(0x7f0000000480)={'/dev/md', @num=0x0}, 0x2, 0x0) close(r8) 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}}): 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$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-close detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000000c0)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000100)=@str='raid1', 0x5) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) write$md_sysfs(r2, &(0x7f0000000180)=@str='2', 0x1) r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) write$md_sysfs(r3, &(0x7f0000000200)=@str='512', 0x3) r4 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000240)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0) write$md_sysfs(r4, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(r4, &(0x7f00000002c0)=@dev={'1:', 0x1}, 0x16) r5 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000300)={'/sys/block/md', @num=0x0, '/md/', @rdev={@ram={'dev-ram', 0x0}, 'slot\x00'}}, 0x1, 0x0) write$md_sysfs(r5, &(0x7f0000000340)=@str='0', 0x1) r6 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000380)={'/sys/block/md', @num=0x0, '/md/', @rdev={@ram={'dev-ram', 0x1}, 'slot\x00'}}, 0x1, 0x0) write$md_sysfs(r6, &(0x7f00000003c0)=@str='1', 0x1) r7 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000400)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0) write$md_sysfs(r7, &(0x7f0000000440)=@str='active', 0x6) close(0xffffffffffffffff) 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}}): 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$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-close detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000000c0)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000100)=@str='raid1', 0x5) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) write$md_sysfs(r2, &(0x7f0000000180)=@str='2', 0x1) r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) write$md_sysfs(r3, &(0x7f0000000200)=@str='512', 0x3) r4 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000240)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0) write$md_sysfs(r4, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(r4, &(0x7f00000002c0)=@dev={'1:', 0x1}, 0x16) r5 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000300)={'/sys/block/md', @num=0x0, '/md/', @rdev={@ram={'dev-ram', 0x0}, 'slot\x00'}}, 0x1, 0x0) write$md_sysfs(r5, &(0x7f0000000340)=@str='0', 0x1) r6 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000380)={'/sys/block/md', @num=0x0, '/md/', @rdev={@ram={'dev-ram', 0x1}, 'slot\x00'}}, 0x1, 0x0) write$md_sysfs(r6, &(0x7f00000003c0)=@str='1', 0x1) openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000400)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0) close(0xffffffffffffffff) 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}}): 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$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-close detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000000c0)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000100)=@str='raid1', 0x5) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) write$md_sysfs(r2, &(0x7f0000000180)=@str='2', 0x1) r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) write$md_sysfs(r3, &(0x7f0000000200)=@str='512', 0x3) r4 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000240)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0) write$md_sysfs(r4, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(r4, &(0x7f00000002c0)=@dev={'1:', 0x1}, 0x16) r5 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000300)={'/sys/block/md', @num=0x0, '/md/', @rdev={@ram={'dev-ram', 0x0}, 'slot\x00'}}, 0x1, 0x0) write$md_sysfs(r5, &(0x7f0000000340)=@str='0', 0x1) r6 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000380)={'/sys/block/md', @num=0x0, '/md/', @rdev={@ram={'dev-ram', 0x1}, 'slot\x00'}}, 0x1, 0x0) write$md_sysfs(r6, &(0x7f00000003c0)=@str='1', 0x1) close(0xffffffffffffffff) 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}}): 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$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-openat$md_sysfs-close detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000000c0)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000100)=@str='raid1', 0x5) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) write$md_sysfs(r2, &(0x7f0000000180)=@str='2', 0x1) r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) write$md_sysfs(r3, &(0x7f0000000200)=@str='512', 0x3) r4 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000240)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0) write$md_sysfs(r4, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(r4, &(0x7f00000002c0)=@dev={'1:', 0x1}, 0x16) r5 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000300)={'/sys/block/md', @num=0x0, '/md/', @rdev={@ram={'dev-ram', 0x0}, 'slot\x00'}}, 0x1, 0x0) write$md_sysfs(r5, &(0x7f0000000340)=@str='0', 0x1) openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000380)={'/sys/block/md', @num=0x0, '/md/', @rdev={@ram={'dev-ram', 0x1}, 'slot\x00'}}, 0x1, 0x0) openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000400)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0) close(0xffffffffffffffff) 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}}): 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$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs-openat$md_sysfs-close detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000000c0)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000100)=@str='raid1', 0x5) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) write$md_sysfs(r2, &(0x7f0000000180)=@str='2', 0x1) r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) write$md_sysfs(r3, &(0x7f0000000200)=@str='512', 0x3) r4 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000240)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0) write$md_sysfs(r4, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(r4, &(0x7f00000002c0)=@dev={'1:', 0x1}, 0x16) r5 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000300)={'/sys/block/md', @num=0x0, '/md/', @rdev={@ram={'dev-ram', 0x0}, 'slot\x00'}}, 0x1, 0x0) write$md_sysfs(r5, &(0x7f0000000340)=@str='0', 0x1) write$md_sysfs(0xffffffffffffffff, &(0x7f00000003c0)=@str='1', 0x1) openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000400)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0) close(0xffffffffffffffff) 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}}): 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$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-close detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000000c0)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000100)=@str='raid1', 0x5) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) write$md_sysfs(r2, &(0x7f0000000180)=@str='2', 0x1) r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) write$md_sysfs(r3, &(0x7f0000000200)=@str='512', 0x3) r4 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000240)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0) write$md_sysfs(r4, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(r4, &(0x7f00000002c0)=@dev={'1:', 0x1}, 0x16) openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000300)={'/sys/block/md', @num=0x0, '/md/', @rdev={@ram={'dev-ram', 0x0}, 'slot\x00'}}, 0x1, 0x0) write$md_sysfs(0xffffffffffffffff, &(0x7f00000003c0)=@str='1', 0x1) openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000400)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0) close(0xffffffffffffffff) 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}}): 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$md_sysfs-write$md_sysfs-openat$md_sysfs-close detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000000c0)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000100)=@str='raid1', 0x5) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) write$md_sysfs(r2, &(0x7f0000000180)=@str='2', 0x1) r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) write$md_sysfs(r3, &(0x7f0000000200)=@str='512', 0x3) r4 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000240)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0) write$md_sysfs(r4, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(r4, &(0x7f00000002c0)=@dev={'1:', 0x1}, 0x16) write$md_sysfs(0xffffffffffffffff, &(0x7f00000003c0)=@str='1', 0x1) openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000400)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0) close(0xffffffffffffffff) 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}}): 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$md_sysfs-openat$md_sysfs-close detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000000c0)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000100)=@str='raid1', 0x5) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) write$md_sysfs(r2, &(0x7f0000000180)=@str='2', 0x1) r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) write$md_sysfs(r3, &(0x7f0000000200)=@str='512', 0x3) r4 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000240)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0) write$md_sysfs(r4, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(0xffffffffffffffff, &(0x7f00000003c0)=@str='1', 0x1) openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000400)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0) close(0xffffffffffffffff) 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}}): 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$md_sysfs-close detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000000c0)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000100)=@str='raid1', 0x5) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) write$md_sysfs(r2, &(0x7f0000000180)=@str='2', 0x1) r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) write$md_sysfs(r3, &(0x7f0000000200)=@str='512', 0x3) openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000240)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0) write$md_sysfs(0xffffffffffffffff, &(0x7f00000003c0)=@str='1', 0x1) openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000400)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0) close(0xffffffffffffffff) 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}}): 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$md_sysfs-write$md_sysfs-openat$md_sysfs-close detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000000c0)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000100)=@str='raid1', 0x5) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) write$md_sysfs(r2, &(0x7f0000000180)=@str='2', 0x1) r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) write$md_sysfs(r3, &(0x7f0000000200)=@str='512', 0x3) write$md_sysfs(0xffffffffffffffff, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(0xffffffffffffffff, &(0x7f00000003c0)=@str='1', 0x1) openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000400)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0) close(0xffffffffffffffff) 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}}): openat$md_new_array-write$md_new_array-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs-openat$md_sysfs-close detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000000c0)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000100)=@str='raid1', 0x5) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) write$md_sysfs(r2, &(0x7f0000000180)=@str='2', 0x1) openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000240)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0) write$md_sysfs(r3, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(0xffffffffffffffff, &(0x7f00000003c0)=@str='1', 0x1) openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000400)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0) close(0xffffffffffffffff) 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}}): openat$md_new_array-write$md_new_array-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs-openat$md_sysfs-close detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000000c0)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000100)=@str='raid1', 0x5) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) write$md_sysfs(r2, &(0x7f0000000180)=@str='2', 0x1) write$md_sysfs(0xffffffffffffffff, &(0x7f0000000200)=@str='512', 0x3) r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000240)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0) write$md_sysfs(r3, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(0xffffffffffffffff, &(0x7f00000003c0)=@str='1', 0x1) openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000400)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0) close(0xffffffffffffffff) 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}}): openat$md_new_array-write$md_new_array-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs-openat$md_sysfs-close detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000000c0)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000100)=@str='raid1', 0x5) openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) write$md_sysfs(r2, &(0x7f0000000200)=@str='512', 0x3) r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000240)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0) write$md_sysfs(r3, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(0xffffffffffffffff, &(0x7f00000003c0)=@str='1', 0x1) openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000400)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0) close(0xffffffffffffffff) 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}}): openat$md_new_array-write$md_new_array-openat$md_sysfs-write$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs-openat$md_sysfs-close detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000000c0)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000100)=@str='raid1', 0x5) write$md_sysfs(0xffffffffffffffff, &(0x7f0000000180)=@str='2', 0x1) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) write$md_sysfs(r2, &(0x7f0000000200)=@str='512', 0x3) r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000240)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0) write$md_sysfs(r3, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(0xffffffffffffffff, &(0x7f00000003c0)=@str='1', 0x1) openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000400)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0) close(0xffffffffffffffff) 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}}): openat$md_new_array-write$md_new_array-openat$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs-openat$md_sysfs-close detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3) openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000000c0)={'/sys/block/md', @num=0x0, '/md/', @array='level\x00'}, 0x1, 0x0) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000180)=@str='2', 0x1) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) write$md_sysfs(r2, &(0x7f0000000200)=@str='512', 0x3) r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000240)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0) write$md_sysfs(r3, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(0xffffffffffffffff, &(0x7f00000003c0)=@str='1', 0x1) openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000400)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0) close(0xffffffffffffffff) 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}}): 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$md_sysfs-openat$md_sysfs-close detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000180)=@str='2', 0x1) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) write$md_sysfs(r2, &(0x7f0000000200)=@str='512', 0x3) r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000240)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0) write$md_sysfs(r3, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(0xffffffffffffffff, &(0x7f00000003c0)=@str='1', 0x1) openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000400)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0) close(0xffffffffffffffff) 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}}): openat$md_new_array-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-openat$md_sysfs-write$md_sysfs-write$md_sysfs-openat$md_sysfs-close detailed listing: executing program 0: openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) r0 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) write$md_sysfs(r0, &(0x7f0000000180)=@str='2', 0x1) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000200)=@str='512', 0x3) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000240)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0) write$md_sysfs(r2, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(0xffffffffffffffff, &(0x7f00000003c0)=@str='1', 0x1) openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000400)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0) close(0xffffffffffffffff) 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}}): 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-openat$md_sysfs-close detailed listing: executing program 0: write$md_new_array(0xffffffffffffffff, &(0x7f0000000080)={'md', @num=0x0}, 0x3) r0 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) write$md_sysfs(r0, &(0x7f0000000180)=@str='2', 0x1) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000200)=@str='512', 0x3) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000240)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0) write$md_sysfs(r2, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(0xffffffffffffffff, &(0x7f00000003c0)=@str='1', 0x1) openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000400)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0) close(0xffffffffffffffff) 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}}): 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$md_sysfs-openat$md_sysfs-close detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, 0x0, 0x1, 0x0) write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000180)=@str='2', 0x1) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) write$md_sysfs(r2, &(0x7f0000000200)=@str='512', 0x3) r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000240)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0) write$md_sysfs(r3, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(0xffffffffffffffff, &(0x7f00000003c0)=@str='1', 0x1) openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000400)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0) close(0xffffffffffffffff) 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}}): 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$md_sysfs-openat$md_sysfs-close detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$md_new_array(r0, 0x0, 0x0) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000180)=@str='2', 0x1) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) write$md_sysfs(r2, &(0x7f0000000200)=@str='512', 0x3) r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000240)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0) write$md_sysfs(r3, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(0xffffffffffffffff, &(0x7f00000003c0)=@str='1', 0x1) openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000400)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0) close(0xffffffffffffffff) 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}}): 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$md_sysfs-openat$md_sysfs-close detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3) r1 = openat$md_sysfs(0xffffffffffffff9c, 0x0, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000180)=@str='2', 0x1) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) write$md_sysfs(r2, &(0x7f0000000200)=@str='512', 0x3) r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000240)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0) write$md_sysfs(r3, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(0xffffffffffffffff, &(0x7f00000003c0)=@str='1', 0x1) openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000400)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0) close(0xffffffffffffffff) 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}}): 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$md_sysfs-openat$md_sysfs-close detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) write$md_sysfs(r1, 0x0, 0x0) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) write$md_sysfs(r2, &(0x7f0000000200)=@str='512', 0x3) r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000240)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0) write$md_sysfs(r3, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(0xffffffffffffffff, &(0x7f00000003c0)=@str='1', 0x1) openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000400)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0) close(0xffffffffffffffff) 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}}): 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$md_sysfs-openat$md_sysfs-close detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000180)=@str='2', 0x1) r2 = openat$md_sysfs(0xffffffffffffff9c, 0x0, 0x1, 0x0) write$md_sysfs(r2, &(0x7f0000000200)=@str='512', 0x3) r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000240)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0) write$md_sysfs(r3, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(0xffffffffffffffff, &(0x7f00000003c0)=@str='1', 0x1) openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000400)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0) close(0xffffffffffffffff) 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}}): 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$md_sysfs-openat$md_sysfs-close detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000180)=@str='2', 0x1) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) write$md_sysfs(r2, 0x0, 0x0) r3 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000240)={'/sys/block/md', @num=0x0, '/md/', @array='new_dev\x00'}, 0x1, 0x0) write$md_sysfs(r3, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(0xffffffffffffffff, &(0x7f00000003c0)=@str='1', 0x1) openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000400)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0) close(0xffffffffffffffff) 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}}): 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$md_sysfs-openat$md_sysfs-close detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000180)=@str='2', 0x1) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) write$md_sysfs(r2, 0x0, 0x0) r3 = openat$md_sysfs(0xffffffffffffff9c, 0x0, 0x1, 0x0) write$md_sysfs(r3, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(0xffffffffffffffff, &(0x7f00000003c0)=@str='1', 0x1) openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000400)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0) close(0xffffffffffffffff) 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}}): 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$md_sysfs-openat$md_sysfs-close detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000180)=@str='2', 0x1) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) write$md_sysfs(r2, 0x0, 0x0) r3 = openat$md_sysfs(0xffffffffffffff9c, 0x0, 0x1, 0x0) write$md_sysfs(r3, 0x0, 0x0) write$md_sysfs(0xffffffffffffffff, &(0x7f00000003c0)=@str='1', 0x1) openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000400)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0) close(0xffffffffffffffff) 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}}): 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$md_sysfs-openat$md_sysfs-close detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000180)=@str='2', 0x1) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) write$md_sysfs(r2, 0x0, 0x0) r3 = openat$md_sysfs(0xffffffffffffff9c, 0x0, 0x1, 0x0) write$md_sysfs(r3, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(0xffffffffffffffff, 0x0, 0x0) openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000400)={'/sys/block/md', @num=0x0, '/md/', @array='array_state\x00'}, 0x1, 0x0) close(0xffffffffffffffff) 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}}): 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$md_sysfs-openat$md_sysfs-close detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000180)=@str='2', 0x1) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) write$md_sysfs(r2, 0x0, 0x0) r3 = openat$md_sysfs(0xffffffffffffff9c, 0x0, 0x1, 0x0) write$md_sysfs(r3, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(0xffffffffffffffff, 0x0, 0x0) openat$md_sysfs(0xffffffffffffff9c, 0x0, 0x1, 0x0) close(0xffffffffffffffff) program crashed: general protection fault in __percpu_ref_switch_mode 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}}): 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$md_sysfs-openat$md_sysfs-close 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}}): 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$md_sysfs-openat$md_sysfs-close 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}}): 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$md_sysfs-openat$md_sysfs-close 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}}): 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$md_sysfs-openat$md_sysfs-close 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}}): 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$md_sysfs-openat$md_sysfs-close 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}}): 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$md_sysfs-openat$md_sysfs-close 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}}): 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$md_sysfs-openat$md_sysfs-close 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}}): 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$md_sysfs-openat$md_sysfs-close 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}}): 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$md_sysfs-openat$md_sysfs-close detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000180)=@str='2', 0x1) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) write$md_sysfs(r2, 0x0, 0x0) r3 = openat$md_sysfs(0xffffffffffffff9c, 0x0, 0x1, 0x0) write$md_sysfs(r3, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(0xffffffffffffffff, 0x0, 0x0) openat$md_sysfs(0xffffffffffffff9c, 0x0, 0x1, 0x0) close(0xffffffffffffffff) 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}}): 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$md_sysfs-openat$md_sysfs-close detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000180)=@str='2', 0x1) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) write$md_sysfs(r2, 0x0, 0x0) r3 = openat$md_sysfs(0xffffffffffffff9c, 0x0, 0x1, 0x0) write$md_sysfs(r3, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(0xffffffffffffffff, 0x0, 0x0) openat$md_sysfs(0xffffffffffffff9c, 0x0, 0x1, 0x0) close(0xffffffffffffffff) 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}}): 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$md_sysfs-openat$md_sysfs-close detailed listing: executing program 0: r0 = openat$md_new_array(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) write$md_new_array(r0, &(0x7f0000000080)={'md', @num=0x0}, 0x3) r1 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f0000000140)={'/sys/block/md', @num=0x0, '/md/', @array='raid_disks\x00'}, 0x1, 0x0) write$md_sysfs(r1, &(0x7f0000000180)=@str='2', 0x1) r2 = openat$md_sysfs(0xffffffffffffff9c, &(0x7f00000001c0)={'/sys/block/md', @num=0x0, '/md/', @array='component_size\x00'}, 0x1, 0x0) write$md_sysfs(r2, 0x0, 0x0) r3 = openat$md_sysfs(0xffffffffffffff9c, 0x0, 0x1, 0x0) write$md_sysfs(r3, &(0x7f0000000280)=@dev={'1:', 0x0}, 0x16) write$md_sysfs(0xffffffffffffffff, 0x0, 0x0) openat$md_sysfs(0xffffffffffffff9c, 0x0, 0x1, 0x0) close(0xffffffffffffffff) program crashed: general protection fault in __percpu_ref_switch_mode validation run: crashed=true reproducing took 55m35.19990427s 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: 5959 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 6e 7a 59 fd 45 85 ff 0f 84 5a 04 00 00 e8 b0 76 59 fd eb 05 e8 a9 76 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 3d 7f b2 fd 49 83 3e 00 0f 84 RSP: 0018:ffffc900033378e0 EFLAGS: 00010002 RAX: ffffffff842e67f0 RBX: dffffc0000000000 RCX: ffff88802d848000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc900033379f8 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52000666f1c R12: 0000000000000000 R13: 0000000000000002 R14: 0000000000000010 R15: 0000000000000001 FS: 000055557565f500(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e824008 CR3: 000000001e73f000 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: 0033:0x7eff6db9fb19 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:00007fff4a34f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007eff6de25fa0 RCX: 00007eff6db9fb19 RDX: 0000000000000001 RSI: 0000200000000180 RDI: 0000000000000004 RBP: 00007eff6dc37b70 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007eff6de25fac R14: 00007eff6de25fa0 R15: 00007eff6de25fa0 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 6e 7a 59 fd 45 85 ff 0f 84 5a 04 00 00 e8 b0 76 59 fd eb 05 e8 a9 76 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 3d 7f b2 fd 49 83 3e 00 0f 84 RSP: 0018:ffffc900033378e0 EFLAGS: 00010002 RAX: ffffffff842e67f0 RBX: dffffc0000000000 RCX: ffff88802d848000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc900033379f8 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52000666f1c R12: 0000000000000000 R13: 0000000000000002 R14: 0000000000000010 R15: 0000000000000001 FS: 000055557565f500(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e824008 CR3: 000000001e73f000 CR4: 00000000003506f0 ---------------- Code disassembly (best guess): 0: 31 ff xor %edi,%edi 2: 89 c6 mov %eax,%esi 4: e8 6e 7a 59 fd call 0xfd597a77 9: 45 85 ff test %r15d,%r15d c: 0f 84 5a 04 00 00 je 0x46c 12: e8 b0 76 59 fd call 0xfd5976c7 17: eb 05 jmp 0x1e 19: e8 a9 76 59 fd call 0xfd5976c7 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 3d 7f b2 fd call 0xfdb27f77 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: 5959 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 6e 7a 59 fd 45 85 ff 0f 84 5a 04 00 00 e8 b0 76 59 fd eb 05 e8 a9 76 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 3d 7f b2 fd 49 83 3e 00 0f 84 RSP: 0018:ffffc900033378e0 EFLAGS: 00010002 RAX: ffffffff842e67f0 RBX: dffffc0000000000 RCX: ffff88802d848000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc900033379f8 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52000666f1c R12: 0000000000000000 R13: 0000000000000002 R14: 0000000000000010 R15: 0000000000000001 FS: 000055557565f500(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e824008 CR3: 000000001e73f000 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: 0033:0x7eff6db9fb19 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:00007fff4a34f208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007eff6de25fa0 RCX: 00007eff6db9fb19 RDX: 0000000000000001 RSI: 0000200000000180 RDI: 0000000000000004 RBP: 00007eff6dc37b70 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007eff6de25fac R14: 00007eff6de25fa0 R15: 00007eff6de25fa0 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 6e 7a 59 fd 45 85 ff 0f 84 5a 04 00 00 e8 b0 76 59 fd eb 05 e8 a9 76 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 3d 7f b2 fd 49 83 3e 00 0f 84 RSP: 0018:ffffc900033378e0 EFLAGS: 00010002 RAX: ffffffff842e67f0 RBX: dffffc0000000000 RCX: ffff88802d848000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc900033379f8 R08: 0000000000000003 R09: 0000000000000004 R10: dffffc0000000000 R11: fffff52000666f1c R12: 0000000000000000 R13: 0000000000000002 R14: 0000000000000010 R15: 0000000000000001 FS: 000055557565f500(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2e824008 CR3: 000000001e73f000 CR4: 00000000003506f0 ---------------- Code disassembly (best guess): 0: 31 ff xor %edi,%edi 2: 89 c6 mov %eax,%esi 4: e8 6e 7a 59 fd call 0xfd597a77 9: 45 85 ff test %r15d,%r15d c: 0f 84 5a 04 00 00 je 0x46c 12: e8 b0 76 59 fd call 0xfd5976c7 17: eb 05 jmp 0x1e 19: e8 a9 76 59 fd call 0xfd5976c7 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 3d 7f b2 fd call 0xfdb27f77 3a: 49 83 3e 00 cmpq $0x0,(%r14) 3e: 0f .byte 0xf 3f: 84 .byte 0x84