Extracting prog: 33.242507762s
Minimizing prog: 11m28.788536166s
Simplifying prog options: 0s
Extracting C: 24.864209648s
Simplifying C: 4m23.736450575s


extracting reproducer from 38 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$comedi-ioctl$COMEDI_DEVCONFIG-ioctl$COMEDI_DEVCONFIG-sendmsg$TIPC_CMD_RESET_LINK_STATS-mmap-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-openat$md-ioctl$GET_DISK_INFO-syz_open_dev$vim2m-ioctl$RUN_ARRAY
detailed listing:
executing program 0:
r0 = openat$comedi(0xffffffffffffff9c, &(0x7f0000000140)='/dev/comedi2\x00', 0x1, 0x0)
ioctl$COMEDI_DEVCONFIG(r0, 0x40946400, 0x0)
ioctl$COMEDI_DEVCONFIG(r0, 0x40946400, 0x0)
sendmsg$TIPC_CMD_RESET_LINK_STATS(0xffffffffffffffff, 0x0, 0x4000800)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeeb, 0x8031, 0xffffffffffffffff, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000940)='./md0\x00', 0x6180, 0x0)
r1 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000980)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r1, 0x40480923, &(0x7f00000009c0)={0x0, 0x5a, 0x0, 0xfffffffe, 0x6, 0x800, 0x0, 0x20003, 0x0, 0xfffffffe, 0x0, 0x100, 0x0, 0x0, 0x0, 0x0, 0x13, 0x10000})
ioctl$ADD_NEW_DISK(r1, 0x40140921, &(0x7f0000000a40)={0x0, {0x1, 0x0}, 0x0, 0x6})
r2 = openat$md(0xffffffffffffff9c, &(0x7f0000000080)={'/dev/md', @num=0x0}, 0x2, 0x0)
ioctl$GET_DISK_INFO(r2, 0x80140912, &(0x7f00000000c0)={0x14})
syz_open_dev$vim2m(&(0x7f0000000040), 0x7, 0x2)
ioctl$RUN_ARRAY(r1, 0x400c0930, &(0x7f0000000ac0))

program crashed: general protection fault in __cpuhp_state_remove_instance
single: successfully extracted reproducer
found reproducer with 13 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$comedi-ioctl$COMEDI_DEVCONFIG-ioctl$COMEDI_DEVCONFIG-sendmsg$TIPC_CMD_RESET_LINK_STATS-mmap-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-openat$md-ioctl$GET_DISK_INFO-syz_open_dev$vim2m
detailed listing:
executing program 0:
r0 = openat$comedi(0xffffffffffffff9c, &(0x7f0000000140)='/dev/comedi2\x00', 0x1, 0x0)
ioctl$COMEDI_DEVCONFIG(r0, 0x40946400, 0x0)
ioctl$COMEDI_DEVCONFIG(r0, 0x40946400, 0x0)
sendmsg$TIPC_CMD_RESET_LINK_STATS(0xffffffffffffffff, 0x0, 0x4000800)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeeb, 0x8031, 0xffffffffffffffff, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000940)='./md0\x00', 0x6180, 0x0)
r1 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000980)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r1, 0x40480923, &(0x7f00000009c0)={0x0, 0x5a, 0x0, 0xfffffffe, 0x6, 0x800, 0x0, 0x20003, 0x0, 0xfffffffe, 0x0, 0x100, 0x0, 0x0, 0x0, 0x0, 0x13, 0x10000})
ioctl$ADD_NEW_DISK(r1, 0x40140921, &(0x7f0000000a40)={0x0, {0x1, 0x0}, 0x0, 0x6})
r2 = openat$md(0xffffffffffffff9c, &(0x7f0000000080)={'/dev/md', @num=0x0}, 0x2, 0x0)
ioctl$GET_DISK_INFO(r2, 0x80140912, &(0x7f00000000c0)={0x14})
syz_open_dev$vim2m(&(0x7f0000000040), 0x7, 0x2)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi-ioctl$COMEDI_DEVCONFIG-ioctl$COMEDI_DEVCONFIG-sendmsg$TIPC_CMD_RESET_LINK_STATS-mmap-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-openat$md-ioctl$GET_DISK_INFO-ioctl$RUN_ARRAY
detailed listing:
executing program 0:
r0 = openat$comedi(0xffffffffffffff9c, &(0x7f0000000140)='/dev/comedi2\x00', 0x1, 0x0)
ioctl$COMEDI_DEVCONFIG(r0, 0x40946400, 0x0)
ioctl$COMEDI_DEVCONFIG(r0, 0x40946400, 0x0)
sendmsg$TIPC_CMD_RESET_LINK_STATS(0xffffffffffffffff, 0x0, 0x4000800)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeeb, 0x8031, 0xffffffffffffffff, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000940)='./md0\x00', 0x6180, 0x0)
r1 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000980)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r1, 0x40480923, &(0x7f00000009c0)={0x0, 0x5a, 0x0, 0xfffffffe, 0x6, 0x800, 0x0, 0x20003, 0x0, 0xfffffffe, 0x0, 0x100, 0x0, 0x0, 0x0, 0x0, 0x13, 0x10000})
ioctl$ADD_NEW_DISK(r1, 0x40140921, &(0x7f0000000a40)={0x0, {0x1, 0x0}, 0x0, 0x6})
r2 = openat$md(0xffffffffffffff9c, &(0x7f0000000080)={'/dev/md', @num=0x0}, 0x2, 0x0)
ioctl$GET_DISK_INFO(r2, 0x80140912, &(0x7f00000000c0)={0x14})
ioctl$RUN_ARRAY(r1, 0x400c0930, &(0x7f0000000ac0))

program crashed: general protection fault in __cpuhp_state_remove_instance
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$comedi-ioctl$COMEDI_DEVCONFIG-ioctl$COMEDI_DEVCONFIG-sendmsg$TIPC_CMD_RESET_LINK_STATS-mmap-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-openat$md-ioctl$RUN_ARRAY
detailed listing:
executing program 0:
r0 = openat$comedi(0xffffffffffffff9c, &(0x7f0000000140)='/dev/comedi2\x00', 0x1, 0x0)
ioctl$COMEDI_DEVCONFIG(r0, 0x40946400, 0x0)
ioctl$COMEDI_DEVCONFIG(r0, 0x40946400, 0x0)
sendmsg$TIPC_CMD_RESET_LINK_STATS(0xffffffffffffffff, 0x0, 0x4000800)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeeb, 0x8031, 0xffffffffffffffff, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000940)='./md0\x00', 0x6180, 0x0)
r1 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000980)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r1, 0x40480923, &(0x7f00000009c0)={0x0, 0x5a, 0x0, 0xfffffffe, 0x6, 0x800, 0x0, 0x20003, 0x0, 0xfffffffe, 0x0, 0x100, 0x0, 0x0, 0x0, 0x0, 0x13, 0x10000})
ioctl$ADD_NEW_DISK(r1, 0x40140921, &(0x7f0000000a40)={0x0, {0x1, 0x0}, 0x0, 0x6})
openat$md(0xffffffffffffff9c, &(0x7f0000000080)={'/dev/md', @num=0x0}, 0x2, 0x0)
ioctl$RUN_ARRAY(r1, 0x400c0930, &(0x7f0000000ac0))

program crashed: general protection fault in __cpuhp_state_remove_instance
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$comedi-ioctl$COMEDI_DEVCONFIG-ioctl$COMEDI_DEVCONFIG-sendmsg$TIPC_CMD_RESET_LINK_STATS-mmap-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY
detailed listing:
executing program 0:
r0 = openat$comedi(0xffffffffffffff9c, &(0x7f0000000140)='/dev/comedi2\x00', 0x1, 0x0)
ioctl$COMEDI_DEVCONFIG(r0, 0x40946400, 0x0)
ioctl$COMEDI_DEVCONFIG(r0, 0x40946400, 0x0)
sendmsg$TIPC_CMD_RESET_LINK_STATS(0xffffffffffffffff, 0x0, 0x4000800)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeeb, 0x8031, 0xffffffffffffffff, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000940)='./md0\x00', 0x6180, 0x0)
r1 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000980)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r1, 0x40480923, &(0x7f00000009c0)={0x0, 0x5a, 0x0, 0xfffffffe, 0x6, 0x800, 0x0, 0x20003, 0x0, 0xfffffffe, 0x0, 0x100, 0x0, 0x0, 0x0, 0x0, 0x13, 0x10000})
ioctl$ADD_NEW_DISK(r1, 0x40140921, &(0x7f0000000a40)={0x0, {0x1, 0x0}, 0x0, 0x6})
ioctl$RUN_ARRAY(r1, 0x400c0930, &(0x7f0000000ac0))

program crashed: general protection fault in __cpuhp_state_remove_instance
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$comedi-ioctl$COMEDI_DEVCONFIG-ioctl$COMEDI_DEVCONFIG-sendmsg$TIPC_CMD_RESET_LINK_STATS-mmap-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$RUN_ARRAY
detailed listing:
executing program 0:
r0 = openat$comedi(0xffffffffffffff9c, &(0x7f0000000140)='/dev/comedi2\x00', 0x1, 0x0)
ioctl$COMEDI_DEVCONFIG(r0, 0x40946400, 0x0)
ioctl$COMEDI_DEVCONFIG(r0, 0x40946400, 0x0)
sendmsg$TIPC_CMD_RESET_LINK_STATS(0xffffffffffffffff, 0x0, 0x4000800)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeeb, 0x8031, 0xffffffffffffffff, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000940)='./md0\x00', 0x6180, 0x0)
r1 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000980)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r1, 0x40480923, &(0x7f00000009c0)={0x0, 0x5a, 0x0, 0xfffffffe, 0x6, 0x800, 0x0, 0x20003, 0x0, 0xfffffffe, 0x0, 0x100, 0x0, 0x0, 0x0, 0x0, 0x13, 0x10000})
ioctl$RUN_ARRAY(r1, 0x400c0930, &(0x7f0000000ac0))

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$comedi-ioctl$COMEDI_DEVCONFIG-ioctl$COMEDI_DEVCONFIG-sendmsg$TIPC_CMD_RESET_LINK_STATS-mmap-mknodat$md-openat$md_node-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY
detailed listing:
executing program 0:
r0 = openat$comedi(0xffffffffffffff9c, &(0x7f0000000140)='/dev/comedi2\x00', 0x1, 0x0)
ioctl$COMEDI_DEVCONFIG(r0, 0x40946400, 0x0)
ioctl$COMEDI_DEVCONFIG(r0, 0x40946400, 0x0)
sendmsg$TIPC_CMD_RESET_LINK_STATS(0xffffffffffffffff, 0x0, 0x4000800)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeeb, 0x8031, 0xffffffffffffffff, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000940)='./md0\x00', 0x6180, 0x0)
r1 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000980)='./md0\x00', 0x2, 0x0)
ioctl$ADD_NEW_DISK(r1, 0x40140921, &(0x7f0000000a40)={0x0, {0x1, 0x0}, 0x0, 0x6})
ioctl$RUN_ARRAY(r1, 0x400c0930, &(0x7f0000000ac0))

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$comedi-ioctl$COMEDI_DEVCONFIG-ioctl$COMEDI_DEVCONFIG-sendmsg$TIPC_CMD_RESET_LINK_STATS-mmap-mknodat$md-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY
detailed listing:
executing program 0:
r0 = openat$comedi(0xffffffffffffff9c, &(0x7f0000000140)='/dev/comedi2\x00', 0x1, 0x0)
ioctl$COMEDI_DEVCONFIG(r0, 0x40946400, 0x0)
ioctl$COMEDI_DEVCONFIG(r0, 0x40946400, 0x0)
sendmsg$TIPC_CMD_RESET_LINK_STATS(0xffffffffffffffff, 0x0, 0x4000800)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeeb, 0x8031, 0xffffffffffffffff, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000940)='./md0\x00', 0x6180, 0x0)
ioctl$SET_ARRAY_INFO(0xffffffffffffffff, 0x40480923, &(0x7f00000009c0)={0x0, 0x5a, 0x0, 0xfffffffe, 0x6, 0x800, 0x0, 0x20003, 0x0, 0xfffffffe, 0x0, 0x100, 0x0, 0x0, 0x0, 0x0, 0x13, 0x10000})
ioctl$ADD_NEW_DISK(0xffffffffffffffff, 0x40140921, &(0x7f0000000a40)={0x0, {0x1, 0x0}, 0x0, 0x6})
ioctl$RUN_ARRAY(0xffffffffffffffff, 0x400c0930, &(0x7f0000000ac0))

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$comedi-ioctl$COMEDI_DEVCONFIG-ioctl$COMEDI_DEVCONFIG-sendmsg$TIPC_CMD_RESET_LINK_STATS-mmap-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY
detailed listing:
executing program 0:
r0 = openat$comedi(0xffffffffffffff9c, &(0x7f0000000140)='/dev/comedi2\x00', 0x1, 0x0)
ioctl$COMEDI_DEVCONFIG(r0, 0x40946400, 0x0)
ioctl$COMEDI_DEVCONFIG(r0, 0x40946400, 0x0)
sendmsg$TIPC_CMD_RESET_LINK_STATS(0xffffffffffffffff, 0x0, 0x4000800)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeeb, 0x8031, 0xffffffffffffffff, 0x0)
r1 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000980)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r1, 0x40480923, &(0x7f00000009c0)={0x0, 0x5a, 0x0, 0xfffffffe, 0x6, 0x800, 0x0, 0x20003, 0x0, 0xfffffffe, 0x0, 0x100, 0x0, 0x0, 0x0, 0x0, 0x13, 0x10000})
ioctl$ADD_NEW_DISK(r1, 0x40140921, &(0x7f0000000a40)={0x0, {0x1, 0x0}, 0x0, 0x6})
ioctl$RUN_ARRAY(r1, 0x400c0930, &(0x7f0000000ac0))

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$comedi-ioctl$COMEDI_DEVCONFIG-ioctl$COMEDI_DEVCONFIG-sendmsg$TIPC_CMD_RESET_LINK_STATS-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY
detailed listing:
executing program 0:
r0 = openat$comedi(0xffffffffffffff9c, &(0x7f0000000140)='/dev/comedi2\x00', 0x1, 0x0)
ioctl$COMEDI_DEVCONFIG(r0, 0x40946400, 0x0)
ioctl$COMEDI_DEVCONFIG(r0, 0x40946400, 0x0)
sendmsg$TIPC_CMD_RESET_LINK_STATS(0xffffffffffffffff, 0x0, 0x4000800)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000940)='./md0\x00', 0x6180, 0x0)
r1 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000980)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r1, 0x40480923, &(0x7f00000009c0)={0x0, 0x5a, 0x0, 0xfffffffe, 0x6, 0x800, 0x0, 0x20003, 0x0, 0xfffffffe, 0x0, 0x100, 0x0, 0x0, 0x0, 0x0, 0x13, 0x10000})
ioctl$ADD_NEW_DISK(r1, 0x40140921, &(0x7f0000000a40)={0x0, {0x1, 0x0}, 0x0, 0x6})
ioctl$RUN_ARRAY(r1, 0x400c0930, &(0x7f0000000ac0))

program crashed: general protection fault in __cpuhp_state_remove_instance
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$comedi-ioctl$COMEDI_DEVCONFIG-ioctl$COMEDI_DEVCONFIG-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY
detailed listing:
executing program 0:
r0 = openat$comedi(0xffffffffffffff9c, &(0x7f0000000140)='/dev/comedi2\x00', 0x1, 0x0)
ioctl$COMEDI_DEVCONFIG(r0, 0x40946400, 0x0)
ioctl$COMEDI_DEVCONFIG(r0, 0x40946400, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000940)='./md0\x00', 0x6180, 0x0)
r1 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000980)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r1, 0x40480923, &(0x7f00000009c0)={0x0, 0x5a, 0x0, 0xfffffffe, 0x6, 0x800, 0x0, 0x20003, 0x0, 0xfffffffe, 0x0, 0x100, 0x0, 0x0, 0x0, 0x0, 0x13, 0x10000})
ioctl$ADD_NEW_DISK(r1, 0x40140921, &(0x7f0000000a40)={0x0, {0x1, 0x0}, 0x0, 0x6})
ioctl$RUN_ARRAY(r1, 0x400c0930, &(0x7f0000000ac0))

program crashed: general protection fault in __cpuhp_state_remove_instance
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$comedi-ioctl$COMEDI_DEVCONFIG-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY
detailed listing:
executing program 0:
r0 = openat$comedi(0xffffffffffffff9c, &(0x7f0000000140)='/dev/comedi2\x00', 0x1, 0x0)
ioctl$COMEDI_DEVCONFIG(r0, 0x40946400, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000940)='./md0\x00', 0x6180, 0x0)
r1 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000980)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r1, 0x40480923, &(0x7f00000009c0)={0x0, 0x5a, 0x0, 0xfffffffe, 0x6, 0x800, 0x0, 0x20003, 0x0, 0xfffffffe, 0x0, 0x100, 0x0, 0x0, 0x0, 0x0, 0x13, 0x10000})
ioctl$ADD_NEW_DISK(r1, 0x40140921, &(0x7f0000000a40)={0x0, {0x1, 0x0}, 0x0, 0x6})
ioctl$RUN_ARRAY(r1, 0x400c0930, &(0x7f0000000ac0))

program crashed: general protection fault in __cpuhp_state_remove_instance
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$comedi-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, &(0x7f0000000140)='/dev/comedi2\x00', 0x1, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000940)='./md0\x00', 0x6180, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000980)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r0, 0x40480923, &(0x7f00000009c0)={0x0, 0x5a, 0x0, 0xfffffffe, 0x6, 0x800, 0x0, 0x20003, 0x0, 0xfffffffe, 0x0, 0x100, 0x0, 0x0, 0x0, 0x0, 0x13, 0x10000})
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000a40)={0x0, {0x1, 0x0}, 0x0, 0x6})
ioctl$RUN_ARRAY(r0, 0x400c0930, &(0x7f0000000ac0))

program crashed: general protection fault in __cpuhp_state_remove_instance
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}}): mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY
detailed listing:
executing program 0:
mknodat$md(0xffffffffffffff9c, &(0x7f0000000940)='./md0\x00', 0x6180, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000980)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r0, 0x40480923, &(0x7f00000009c0)={0x0, 0x5a, 0x0, 0xfffffffe, 0x6, 0x800, 0x0, 0x20003, 0x0, 0xfffffffe, 0x0, 0x100, 0x0, 0x0, 0x0, 0x0, 0x13, 0x10000})
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000a40)={0x0, {0x1, 0x0}, 0x0, 0x6})
ioctl$RUN_ARRAY(r0, 0x400c0930, &(0x7f0000000ac0))

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$comedi-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, 0x0, 0x1, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000940)='./md0\x00', 0x6180, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000980)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r0, 0x40480923, &(0x7f00000009c0)={0x0, 0x5a, 0x0, 0xfffffffe, 0x6, 0x800, 0x0, 0x20003, 0x0, 0xfffffffe, 0x0, 0x100, 0x0, 0x0, 0x0, 0x0, 0x13, 0x10000})
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000a40)={0x0, {0x1, 0x0}, 0x0, 0x6})
ioctl$RUN_ARRAY(r0, 0x400c0930, &(0x7f0000000ac0))

program crashed: general protection fault in __cpuhp_state_remove_instance
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$comedi-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, 0x0, 0x1, 0x0)
mknodat$md(0xffffffffffffff9c, 0x0, 0x6180, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000980)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r0, 0x40480923, &(0x7f00000009c0)={0x0, 0x5a, 0x0, 0xfffffffe, 0x6, 0x800, 0x0, 0x20003, 0x0, 0xfffffffe, 0x0, 0x100, 0x0, 0x0, 0x0, 0x0, 0x13, 0x10000})
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000a40)={0x0, {0x1, 0x0}, 0x0, 0x6})
ioctl$RUN_ARRAY(r0, 0x400c0930, &(0x7f0000000ac0))

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$comedi-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, 0x0, 0x1, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000940)='./md0\x00', 0x6180, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r0, 0x40480923, &(0x7f00000009c0)={0x0, 0x5a, 0x0, 0xfffffffe, 0x6, 0x800, 0x0, 0x20003, 0x0, 0xfffffffe, 0x0, 0x100, 0x0, 0x0, 0x0, 0x0, 0x13, 0x10000})
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000a40)={0x0, {0x1, 0x0}, 0x0, 0x6})
ioctl$RUN_ARRAY(r0, 0x400c0930, &(0x7f0000000ac0))

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$comedi-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, 0x0, 0x1, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000940)='./md0\x00', 0x6180, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000980)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r0, 0x40480923, 0x0)
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000a40)={0x0, {0x1, 0x0}, 0x0, 0x6})
ioctl$RUN_ARRAY(r0, 0x400c0930, &(0x7f0000000ac0))

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$comedi-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, 0x0, 0x1, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000940)='./md0\x00', 0x6180, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000980)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r0, 0x40480923, &(0x7f00000009c0)={0x0, 0x5a, 0x0, 0xfffffffe, 0x6, 0x800, 0x0, 0x20003, 0x0, 0xfffffffe, 0x0, 0x100, 0x0, 0x0, 0x0, 0x0, 0x13, 0x10000})
ioctl$ADD_NEW_DISK(r0, 0x40140921, 0x0)
ioctl$RUN_ARRAY(r0, 0x400c0930, &(0x7f0000000ac0))

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$comedi-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, 0x0, 0x1, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000940)='./md0\x00', 0x6180, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000980)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r0, 0x40480923, &(0x7f00000009c0)={0x0, 0x5a, 0x0, 0xfffffffe, 0x6, 0x800, 0x0, 0x20003, 0x0, 0xfffffffe, 0x0, 0x100, 0x0, 0x0, 0x0, 0x0, 0x13, 0x10000})
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000a40)={0x0, {0x1, 0x0}, 0x0, 0x6})
ioctl$RUN_ARRAY(r0, 0x400c0930, 0x0)

program crashed: general protection fault in __cpuhp_state_remove_instance
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$comedi-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY
program crashed: general protection fault in __cpuhp_state_remove_instance
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$comedi-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY
program crashed: KASAN: null-ptr-deref Read in free_conf
a never seen crash title: KASAN: null-ptr-deref Read in free_conf, ignore
testing compiled C program (duration=30s, {Threaded:true 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$comedi-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY
program did not crash
testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY
program crashed: general protection fault in __cpuhp_state_remove_instance
testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY
program crashed: general protection fault in __cpuhp_state_remove_instance
testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY
program crashed: general protection fault in __cpuhp_state_remove_instance
testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY
program crashed: general protection fault in __cpuhp_state_remove_instance
testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY
program crashed: general protection fault in __cpuhp_state_remove_instance
testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY
program crashed: general protection fault in __cpuhp_state_remove_instance
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, 0x0, 0x1, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000940)='./md0\x00', 0x6180, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000980)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r0, 0x40480923, &(0x7f00000009c0)={0x0, 0x5a, 0x0, 0xfffffffe, 0x6, 0x800, 0x0, 0x20003, 0x0, 0xfffffffe, 0x0, 0x100, 0x0, 0x0, 0x0, 0x0, 0x13, 0x10000})
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000a40)={0x0, {0x1, 0x0}, 0x0, 0x6})
ioctl$RUN_ARRAY(r0, 0x400c0930, 0x0)

program crashed: general protection fault in __cpuhp_state_remove_instance
validation run: crashed=true
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, 0x0, 0x1, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000940)='./md0\x00', 0x6180, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000980)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r0, 0x40480923, &(0x7f00000009c0)={0x0, 0x5a, 0x0, 0xfffffffe, 0x6, 0x800, 0x0, 0x20003, 0x0, 0xfffffffe, 0x0, 0x100, 0x0, 0x0, 0x0, 0x0, 0x13, 0x10000})
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000a40)={0x0, {0x1, 0x0}, 0x0, 0x6})
ioctl$RUN_ARRAY(r0, 0x400c0930, 0x0)

program crashed: general protection fault in __cpuhp_state_remove_instance
validation run: crashed=true
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, 0x0, 0x1, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000940)='./md0\x00', 0x6180, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000980)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r0, 0x40480923, &(0x7f00000009c0)={0x0, 0x5a, 0x0, 0xfffffffe, 0x6, 0x800, 0x0, 0x20003, 0x0, 0xfffffffe, 0x0, 0x100, 0x0, 0x0, 0x0, 0x0, 0x13, 0x10000})
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000a40)={0x0, {0x1, 0x0}, 0x0, 0x6})
ioctl$RUN_ARRAY(r0, 0x400c0930, 0x0)

program crashed: general protection fault in __cpuhp_state_remove_instance
validation run: crashed=true
reproducing took 19m2.152816279s
repro crashed as (corrupted=false):
md: array md0 already has disks!
md/raid:md0: not clean -- starting background reconstruction
raid456_cpu_up_prepare: failed memory allocation for cpu0
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 UID: 0 PID: 6024 Comm: syz.0.22 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:__hlist_del include/linux/list.h:1045 [inline]
RIP: 0010:hlist_del include/linux/list.h:1059 [inline]
RIP: 0010:__cpuhp_state_remove_instance+0x227/0x5f0 kernel/cpu.c:2573
Code: 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 78 03 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 65 08 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 4c 03 00 00 49 89 1c 24 48 85 db 74 28 e8 51 1f
RSP: 0018:ffffc90003c7f890 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81c9fb54 RDI: ffff8880287a8440
RBP: ffff8880287a8438 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffffffffffffffff R14: 0000000000000004 R15: 0000000000000003
FS:  00007fcd283f56c0(0000) GS:ffff8880d45b4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30324228 CR3: 0000000037605000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 cpuhp_state_remove_instance include/linux/cpuhotplug.h:480 [inline]
 raid5_free_percpu drivers/md/raid5.c:7541 [inline]
 free_conf+0x238/0x710 drivers/md/raid5.c:7554
 setup_conf+0xd80/0x2a20 drivers/md/raid5.c:7885
 raid5_run+0x1260/0x1670 drivers/md/raid5.c:8129
 md_run+0xc2f/0x2510 drivers/md/md.c:6779
 do_md_run+0x36/0x660 drivers/md/md.c:6880
 md_ioctl+0x27e6/0x36c0 drivers/md/md.c:8515
 blkdev_ioctl+0x5ad/0x6f0 block/ioctl.c:798
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl fs/ioctl.c:583 [inline]
 __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcd2759f559
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:00007fcd283f5028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fcd27825fa0 RCX: 00007fcd2759f559
RDX: 0000000000000000 RSI: 00000000400c0930 RDI: 0000000000000003
RBP: 00007fcd27636b20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fcd27826038 R14: 00007fcd27825fa0 R15: 00007ffd1d32f288
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__hlist_del include/linux/list.h:1045 [inline]
RIP: 0010:hlist_del include/linux/list.h:1059 [inline]
RIP: 0010:__cpuhp_state_remove_instance+0x227/0x5f0 kernel/cpu.c:2573
Code: 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 78 03 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 65 08 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 4c 03 00 00 49 89 1c 24 48 85 db 74 28 e8 51 1f
RSP: 0018:ffffc90003c7f890 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81c9fb54 RDI: ffff8880287a8440
RBP: ffff8880287a8438 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffffffffffffffff R14: 0000000000000004 R15: 0000000000000003
FS:  00007fcd283f56c0(0000) GS:ffff8880d44b4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcd283d3ff8 CR3: 0000000037605000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
   0:	00 fc                	add    %bh,%ah
   2:	ff                   	lcall  (bad)
   3:	df 48 89             	fisttps -0x77(%rax)
   6:	fa                   	cli
   7:	48 c1 ea 03          	shr    $0x3,%rdx
   b:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   f:	0f 85 78 03 00 00    	jne    0x38d
  15:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  1c:	fc ff df
  1f:	4c 8b 65 08          	mov    0x8(%rbp),%r12
  23:	4c 89 e2             	mov    %r12,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2e:	0f 85 4c 03 00 00    	jne    0x380
  34:	49 89 1c 24          	mov    %rbx,(%r12)
  38:	48 85 db             	test   %rbx,%rbx
  3b:	74 28                	je     0x65
  3d:	e8                   	.byte 0xe8
  3e:	51                   	push   %rcx
  3f:	1f                   	(bad)

final repro crashed as (corrupted=false):
md: array md0 already has disks!
md/raid:md0: not clean -- starting background reconstruction
raid456_cpu_up_prepare: failed memory allocation for cpu0
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 UID: 0 PID: 6024 Comm: syz.0.22 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:__hlist_del include/linux/list.h:1045 [inline]
RIP: 0010:hlist_del include/linux/list.h:1059 [inline]
RIP: 0010:__cpuhp_state_remove_instance+0x227/0x5f0 kernel/cpu.c:2573
Code: 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 78 03 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 65 08 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 4c 03 00 00 49 89 1c 24 48 85 db 74 28 e8 51 1f
RSP: 0018:ffffc90003c7f890 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81c9fb54 RDI: ffff8880287a8440
RBP: ffff8880287a8438 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffffffffffffffff R14: 0000000000000004 R15: 0000000000000003
FS:  00007fcd283f56c0(0000) GS:ffff8880d45b4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30324228 CR3: 0000000037605000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 cpuhp_state_remove_instance include/linux/cpuhotplug.h:480 [inline]
 raid5_free_percpu drivers/md/raid5.c:7541 [inline]
 free_conf+0x238/0x710 drivers/md/raid5.c:7554
 setup_conf+0xd80/0x2a20 drivers/md/raid5.c:7885
 raid5_run+0x1260/0x1670 drivers/md/raid5.c:8129
 md_run+0xc2f/0x2510 drivers/md/md.c:6779
 do_md_run+0x36/0x660 drivers/md/md.c:6880
 md_ioctl+0x27e6/0x36c0 drivers/md/md.c:8515
 blkdev_ioctl+0x5ad/0x6f0 block/ioctl.c:798
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl fs/ioctl.c:583 [inline]
 __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcd2759f559
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:00007fcd283f5028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fcd27825fa0 RCX: 00007fcd2759f559
RDX: 0000000000000000 RSI: 00000000400c0930 RDI: 0000000000000003
RBP: 00007fcd27636b20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fcd27826038 R14: 00007fcd27825fa0 R15: 00007ffd1d32f288
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__hlist_del include/linux/list.h:1045 [inline]
RIP: 0010:hlist_del include/linux/list.h:1059 [inline]
RIP: 0010:__cpuhp_state_remove_instance+0x227/0x5f0 kernel/cpu.c:2573
Code: 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 78 03 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8b 65 08 4c 89 e2 48 c1 ea 03 <80> 3c 02 00 0f 85 4c 03 00 00 49 89 1c 24 48 85 db 74 28 e8 51 1f
RSP: 0018:ffffc90003c7f890 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff81c9fb54 RDI: ffff8880287a8440
RBP: ffff8880287a8438 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffffffffffffffff R14: 0000000000000004 R15: 0000000000000003
FS:  00007fcd283f56c0(0000) GS:ffff8880d44b4000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcd283d3ff8 CR3: 0000000037605000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
   0:	00 fc                	add    %bh,%ah
   2:	ff                   	lcall  (bad)
   3:	df 48 89             	fisttps -0x77(%rax)
   6:	fa                   	cli
   7:	48 c1 ea 03          	shr    $0x3,%rdx
   b:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   f:	0f 85 78 03 00 00    	jne    0x38d
  15:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  1c:	fc ff df
  1f:	4c 8b 65 08          	mov    0x8(%rbp),%r12
  23:	4c 89 e2             	mov    %r12,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2e:	0f 85 4c 03 00 00    	jne    0x380
  34:	49 89 1c 24          	mov    %rbx,(%r12)
  38:	48 85 db             	test   %rbx,%rbx
  3b:	74 28                	je     0x65
  3d:	e8                   	.byte 0xe8
  3e:	51                   	push   %rcx
  3f:	1f                   	(bad)