Extracting prog: 46.386434266s
Minimizing prog: 19m52.115235794s
Simplifying prog options: 0s
Extracting C: 58.876379267s
Simplifying C: 5m38.186523339s


extracting reproducer from 45 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:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY-syz_io_uring_setup-syz_ublk_setup_io_uring-socketpair$unix-setsockopt$SO_ATTACH_FILTER-ioctl$ADD_NEW_DISK-mprotect-sendmsg$nl_route_sched-ioctl$ADD_NEW_DISK-sendmsg$kcm
detailed listing:
executing program 0:
r0 = socket$kcm(0x10, 0x5, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000000)='./md0\x00', 0x6180, 0x0)
r1 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000040)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r1, 0x40480923, &(0x7f0000000100)={0x0, 0x5a, 0x0, 0x40, 0x1, 0xb7e, 0x0, 0x403, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x2000})
ioctl$ADD_NEW_DISK(r1, 0x40140921, &(0x7f0000000180)={0x1, {0x1, 0x1}, 0x1, 0x6})
ioctl$RUN_ARRAY(r1, 0x400c0930, 0x0)
syz_io_uring_setup(0x5865, 0x0, &(0x7f00000001c0), &(0x7f0000000200), &(0x7f0000000240))
syz_ublk_setup_io_uring(0x3ea4, &(0x7f0000000280)={0x0, 0x43a9, 0x40, 0x2, 0x1e5}, &(0x7f0000000300), &(0x7f0000000600), &(0x7f0000000480))
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000500)={<r2=>0xffffffffffffffff, <r3=>0xffffffffffffffff})
setsockopt$SO_ATTACH_FILTER(r3, 0x1, 0x1a, &(0x7f0000000540)={0x3, &(0x7f0000000580)=[{0x20, 0x0, 0x0, 0xfffff010}, {0x30, 0x0, 0x0, 0x8000}, {0x6, 0x0, 0x40}]}, 0x10)
ioctl$ADD_NEW_DISK(r1, 0x40140921, &(0x7f0000000340)={0x2, {0x1, 0x0}, 0x3, 0x40000})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9)
sendmsg$nl_route_sched(r2, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40400c1}, 0xc054)
ioctl$ADD_NEW_DISK(r1, 0x40140921, &(0x7f00000004c0)={0xf, {0x1, 0x0}, 0x3, 0x604})
sendmsg$kcm(r0, &(0x7f0000000080)={0x0, 0x600, &(0x7f00000000c0)=[{&(0x7f0000000380)="d8000000190081084e81f783db4cb9040a07290006007c09e8fc55a10a0015000600142603600e12080002008100040104000100fcc0ffff000000fd035c0461c1d67f6f94007134cf6efb8000a007a290457f0189b316277ce06bbaceac3c2fb14c2ee5a7cef4090000001fb71b14d6d930dfe1d9d322fe7c9f8775820d16a4683f5aeb4edbb57a5025ccca9e00360db798262f3d40fad9e3bb9ad809d5e1cace0d81ed0bffece0b42a9ecbee5de6ccd4e1ffffffffc1c9b6278754ca397c388b0dd6e4edef3d9300"/216, 0xd8}], 0x1}, 0x0)

program crashed: UBSAN: array-index-out-of-bounds in super_90_validate
single: successfully extracted reproducer
found reproducer with 15 syscalls
minimizing guilty program
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY-syz_io_uring_setup-syz_ublk_setup_io_uring-socketpair$unix-setsockopt$SO_ATTACH_FILTER-ioctl$ADD_NEW_DISK-mprotect-sendmsg$nl_route_sched-ioctl$ADD_NEW_DISK
detailed listing:
executing program 0:
socket$kcm(0x10, 0x5, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000000)='./md0\x00', 0x6180, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000040)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r0, 0x40480923, &(0x7f0000000100)={0x0, 0x5a, 0x0, 0x40, 0x1, 0xb7e, 0x0, 0x403, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x2000})
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000180)={0x1, {0x1, 0x1}, 0x1, 0x6})
ioctl$RUN_ARRAY(r0, 0x400c0930, 0x0)
syz_io_uring_setup(0x5865, 0x0, &(0x7f00000001c0), &(0x7f0000000200), &(0x7f0000000240))
syz_ublk_setup_io_uring(0x3ea4, &(0x7f0000000280)={0x0, 0x43a9, 0x40, 0x2, 0x1e5}, &(0x7f0000000300), &(0x7f0000000600), &(0x7f0000000480))
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000500)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
setsockopt$SO_ATTACH_FILTER(r2, 0x1, 0x1a, &(0x7f0000000540)={0x3, &(0x7f0000000580)=[{0x20, 0x0, 0x0, 0xfffff010}, {0x30, 0x0, 0x0, 0x8000}, {0x6, 0x0, 0x40}]}, 0x10)
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000340)={0x2, {0x1, 0x0}, 0x3, 0x40000})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9)
sendmsg$nl_route_sched(r1, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40400c1}, 0xc054)
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f00000004c0)={0xf, {0x1, 0x0}, 0x3, 0x604})

program crashed: UBSAN: array-index-out-of-bounds in super_90_validate
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY-syz_io_uring_setup-syz_ublk_setup_io_uring-socketpair$unix-setsockopt$SO_ATTACH_FILTER-ioctl$ADD_NEW_DISK-mprotect-sendmsg$nl_route_sched
detailed listing:
executing program 0:
socket$kcm(0x10, 0x5, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000000)='./md0\x00', 0x6180, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000040)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r0, 0x40480923, &(0x7f0000000100)={0x0, 0x5a, 0x0, 0x40, 0x1, 0xb7e, 0x0, 0x403, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x2000})
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000180)={0x1, {0x1, 0x1}, 0x1, 0x6})
ioctl$RUN_ARRAY(r0, 0x400c0930, 0x0)
syz_io_uring_setup(0x5865, 0x0, &(0x7f00000001c0), &(0x7f0000000200), &(0x7f0000000240))
syz_ublk_setup_io_uring(0x3ea4, &(0x7f0000000280)={0x0, 0x43a9, 0x40, 0x2, 0x1e5}, &(0x7f0000000300), &(0x7f0000000600), &(0x7f0000000480))
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000500)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
setsockopt$SO_ATTACH_FILTER(r2, 0x1, 0x1a, &(0x7f0000000540)={0x3, &(0x7f0000000580)=[{0x20, 0x0, 0x0, 0xfffff010}, {0x30, 0x0, 0x0, 0x8000}, {0x6, 0x0, 0x40}]}, 0x10)
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000340)={0x2, {0x1, 0x0}, 0x3, 0x40000})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9)
sendmsg$nl_route_sched(r1, &(0x7f00000005c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40400c1}, 0xc054)

program crashed: UBSAN: array-index-out-of-bounds in super_90_validate
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY-syz_io_uring_setup-syz_ublk_setup_io_uring-socketpair$unix-setsockopt$SO_ATTACH_FILTER-ioctl$ADD_NEW_DISK-mprotect
detailed listing:
executing program 0:
socket$kcm(0x10, 0x5, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000000)='./md0\x00', 0x6180, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000040)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r0, 0x40480923, &(0x7f0000000100)={0x0, 0x5a, 0x0, 0x40, 0x1, 0xb7e, 0x0, 0x403, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x2000})
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000180)={0x1, {0x1, 0x1}, 0x1, 0x6})
ioctl$RUN_ARRAY(r0, 0x400c0930, 0x0)
syz_io_uring_setup(0x5865, 0x0, &(0x7f00000001c0), &(0x7f0000000200), &(0x7f0000000240))
syz_ublk_setup_io_uring(0x3ea4, &(0x7f0000000280)={0x0, 0x43a9, 0x40, 0x2, 0x1e5}, &(0x7f0000000300), &(0x7f0000000600), &(0x7f0000000480))
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000500)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000000540)={0x3, &(0x7f0000000580)=[{0x20, 0x0, 0x0, 0xfffff010}, {0x30, 0x0, 0x0, 0x8000}, {0x6, 0x0, 0x40}]}, 0x10)
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000340)={0x2, {0x1, 0x0}, 0x3, 0x40000})
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x9)

program crashed: UBSAN: array-index-out-of-bounds in super_90_validate
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY-syz_io_uring_setup-syz_ublk_setup_io_uring-socketpair$unix-setsockopt$SO_ATTACH_FILTER-ioctl$ADD_NEW_DISK
detailed listing:
executing program 0:
socket$kcm(0x10, 0x5, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000000)='./md0\x00', 0x6180, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000040)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r0, 0x40480923, &(0x7f0000000100)={0x0, 0x5a, 0x0, 0x40, 0x1, 0xb7e, 0x0, 0x403, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x2000})
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000180)={0x1, {0x1, 0x1}, 0x1, 0x6})
ioctl$RUN_ARRAY(r0, 0x400c0930, 0x0)
syz_io_uring_setup(0x5865, 0x0, &(0x7f00000001c0), &(0x7f0000000200), &(0x7f0000000240))
syz_ublk_setup_io_uring(0x3ea4, &(0x7f0000000280)={0x0, 0x43a9, 0x40, 0x2, 0x1e5}, &(0x7f0000000300), &(0x7f0000000600), &(0x7f0000000480))
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000500)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000000540)={0x3, &(0x7f0000000580)=[{0x20, 0x0, 0x0, 0xfffff010}, {0x30, 0x0, 0x0, 0x8000}, {0x6, 0x0, 0x40}]}, 0x10)
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000340)={0x2, {0x1, 0x0}, 0x3, 0x40000})

program crashed: UBSAN: array-index-out-of-bounds in super_90_validate
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY-syz_io_uring_setup-syz_ublk_setup_io_uring-socketpair$unix-setsockopt$SO_ATTACH_FILTER
detailed listing:
executing program 0:
socket$kcm(0x10, 0x5, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000000)='./md0\x00', 0x6180, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000040)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r0, 0x40480923, &(0x7f0000000100)={0x0, 0x5a, 0x0, 0x40, 0x1, 0xb7e, 0x0, 0x403, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x2000})
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000180)={0x1, {0x1, 0x1}, 0x1, 0x6})
ioctl$RUN_ARRAY(r0, 0x400c0930, 0x0)
syz_io_uring_setup(0x5865, 0x0, &(0x7f00000001c0), &(0x7f0000000200), &(0x7f0000000240))
syz_ublk_setup_io_uring(0x3ea4, &(0x7f0000000280)={0x0, 0x43a9, 0x40, 0x2, 0x1e5}, &(0x7f0000000300), &(0x7f0000000600), &(0x7f0000000480))
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000500)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
setsockopt$SO_ATTACH_FILTER(r1, 0x1, 0x1a, &(0x7f0000000540)={0x3, &(0x7f0000000580)=[{0x20, 0x0, 0x0, 0xfffff010}, {0x30, 0x0, 0x0, 0x8000}, {0x6, 0x0, 0x40}]}, 0x10)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY-syz_io_uring_setup-syz_ublk_setup_io_uring-socketpair$unix-ioctl$ADD_NEW_DISK
detailed listing:
executing program 0:
socket$kcm(0x10, 0x5, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000000)='./md0\x00', 0x6180, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000040)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r0, 0x40480923, &(0x7f0000000100)={0x0, 0x5a, 0x0, 0x40, 0x1, 0xb7e, 0x0, 0x403, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x2000})
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000180)={0x1, {0x1, 0x1}, 0x1, 0x6})
ioctl$RUN_ARRAY(r0, 0x400c0930, 0x0)
syz_io_uring_setup(0x5865, 0x0, &(0x7f00000001c0), &(0x7f0000000200), &(0x7f0000000240))
syz_ublk_setup_io_uring(0x3ea4, &(0x7f0000000280)={0x0, 0x43a9, 0x40, 0x2, 0x1e5}, &(0x7f0000000300), &(0x7f0000000600), &(0x7f0000000480))
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000500))
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000340)={0x2, {0x1, 0x0}, 0x3, 0x40000})

program crashed: UBSAN: array-index-out-of-bounds in super_90_validate
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY-syz_io_uring_setup-syz_ublk_setup_io_uring-ioctl$ADD_NEW_DISK
detailed listing:
executing program 0:
socket$kcm(0x10, 0x5, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000000)='./md0\x00', 0x6180, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000040)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r0, 0x40480923, &(0x7f0000000100)={0x0, 0x5a, 0x0, 0x40, 0x1, 0xb7e, 0x0, 0x403, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x2000})
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000180)={0x1, {0x1, 0x1}, 0x1, 0x6})
ioctl$RUN_ARRAY(r0, 0x400c0930, 0x0)
syz_io_uring_setup(0x5865, 0x0, &(0x7f00000001c0), &(0x7f0000000200), &(0x7f0000000240))
syz_ublk_setup_io_uring(0x3ea4, &(0x7f0000000280)={0x0, 0x43a9, 0x40, 0x2, 0x1e5}, &(0x7f0000000300), &(0x7f0000000600), &(0x7f0000000480))
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000340)={0x2, {0x1, 0x0}, 0x3, 0x40000})

program crashed: UBSAN: array-index-out-of-bounds in super_90_validate
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY-syz_io_uring_setup-ioctl$ADD_NEW_DISK
detailed listing:
executing program 0:
socket$kcm(0x10, 0x5, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000000)='./md0\x00', 0x6180, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000040)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r0, 0x40480923, &(0x7f0000000100)={0x0, 0x5a, 0x0, 0x40, 0x1, 0xb7e, 0x0, 0x403, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x2000})
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000180)={0x1, {0x1, 0x1}, 0x1, 0x6})
ioctl$RUN_ARRAY(r0, 0x400c0930, 0x0)
syz_io_uring_setup(0x5865, 0x0, &(0x7f00000001c0), &(0x7f0000000200), &(0x7f0000000240))
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000340)={0x2, {0x1, 0x0}, 0x3, 0x40000})

program crashed: UBSAN: array-index-out-of-bounds in super_90_validate
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY-ioctl$ADD_NEW_DISK
detailed listing:
executing program 0:
socket$kcm(0x10, 0x5, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000000)='./md0\x00', 0x6180, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000040)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r0, 0x40480923, &(0x7f0000000100)={0x0, 0x5a, 0x0, 0x40, 0x1, 0xb7e, 0x0, 0x403, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x2000})
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000180)={0x1, {0x1, 0x1}, 0x1, 0x6})
ioctl$RUN_ARRAY(r0, 0x400c0930, 0x0)
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000340)={0x2, {0x1, 0x0}, 0x3, 0x40000})

program crashed: UBSAN: array-index-out-of-bounds in super_90_validate
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$ADD_NEW_DISK
detailed listing:
executing program 0:
socket$kcm(0x10, 0x5, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000000)='./md0\x00', 0x6180, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000040)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r0, 0x40480923, &(0x7f0000000100)={0x0, 0x5a, 0x0, 0x40, 0x1, 0xb7e, 0x0, 0x403, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x2000})
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000180)={0x1, {0x1, 0x1}, 0x1, 0x6})
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000340)={0x2, {0x1, 0x0}, 0x3, 0x40000})

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$RUN_ARRAY-ioctl$ADD_NEW_DISK
detailed listing:
executing program 0:
socket$kcm(0x10, 0x5, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000000)='./md0\x00', 0x6180, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000040)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r0, 0x40480923, &(0x7f0000000100)={0x0, 0x5a, 0x0, 0x40, 0x1, 0xb7e, 0x0, 0x403, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x2000})
ioctl$RUN_ARRAY(r0, 0x400c0930, 0x0)
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000340)={0x2, {0x1, 0x0}, 0x3, 0x40000})

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-mknodat$md-openat$md_node-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY-ioctl$ADD_NEW_DISK
detailed listing:
executing program 0:
socket$kcm(0x10, 0x5, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000000)='./md0\x00', 0x6180, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000040)='./md0\x00', 0x2, 0x0)
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000180)={0x1, {0x1, 0x1}, 0x1, 0x6})
ioctl$RUN_ARRAY(r0, 0x400c0930, 0x0)
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000340)={0x2, {0x1, 0x0}, 0x3, 0x40000})

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-mknodat$md-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY-ioctl$ADD_NEW_DISK
detailed listing:
executing program 0:
socket$kcm(0x10, 0x5, 0x0)
mknodat$md(0xffffffffffffff9c, &(0x7f0000000000)='./md0\x00', 0x6180, 0x0)
ioctl$SET_ARRAY_INFO(0xffffffffffffffff, 0x40480923, &(0x7f0000000100)={0x0, 0x5a, 0x0, 0x40, 0x1, 0xb7e, 0x0, 0x403, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x2000})
ioctl$ADD_NEW_DISK(0xffffffffffffffff, 0x40140921, &(0x7f0000000180)={0x1, {0x1, 0x1}, 0x1, 0x6})
ioctl$RUN_ARRAY(0xffffffffffffffff, 0x400c0930, 0x0)
ioctl$ADD_NEW_DISK(0xffffffffffffffff, 0x40140921, &(0x7f0000000340)={0x2, {0x1, 0x0}, 0x3, 0x40000})

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$kcm-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY-ioctl$ADD_NEW_DISK
detailed listing:
executing program 0:
socket$kcm(0x10, 0x5, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000040)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r0, 0x40480923, &(0x7f0000000100)={0x0, 0x5a, 0x0, 0x40, 0x1, 0xb7e, 0x0, 0x403, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x2000})
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000180)={0x1, {0x1, 0x1}, 0x1, 0x6})
ioctl$RUN_ARRAY(r0, 0x400c0930, 0x0)
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000340)={0x2, {0x1, 0x0}, 0x3, 0x40000})

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY-ioctl$ADD_NEW_DISK
detailed listing:
executing program 0:
mknodat$md(0xffffffffffffff9c, &(0x7f0000000000)='./md0\x00', 0x6180, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000040)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r0, 0x40480923, &(0x7f0000000100)={0x0, 0x5a, 0x0, 0x40, 0x1, 0xb7e, 0x0, 0x403, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x2000})
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000180)={0x1, {0x1, 0x1}, 0x1, 0x6})
ioctl$RUN_ARRAY(r0, 0x400c0930, 0x0)
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000340)={0x2, {0x1, 0x0}, 0x3, 0x40000})

program crashed: UBSAN: array-index-out-of-bounds in super_90_validate
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY-ioctl$ADD_NEW_DISK
detailed listing:
executing program 0:
mknodat$md(0xffffffffffffff9c, 0x0, 0x6180, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000040)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r0, 0x40480923, &(0x7f0000000100)={0x0, 0x5a, 0x0, 0x40, 0x1, 0xb7e, 0x0, 0x403, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x2000})
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000180)={0x1, {0x1, 0x1}, 0x1, 0x6})
ioctl$RUN_ARRAY(r0, 0x400c0930, 0x0)
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000340)={0x2, {0x1, 0x0}, 0x3, 0x40000})

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY-ioctl$ADD_NEW_DISK
detailed listing:
executing program 0:
mknodat$md(0xffffffffffffff9c, &(0x7f0000000000)='./md0\x00', 0x6180, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r0, 0x40480923, &(0x7f0000000100)={0x0, 0x5a, 0x0, 0x40, 0x1, 0xb7e, 0x0, 0x403, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x2000})
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000180)={0x1, {0x1, 0x1}, 0x1, 0x6})
ioctl$RUN_ARRAY(r0, 0x400c0930, 0x0)
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000340)={0x2, {0x1, 0x0}, 0x3, 0x40000})

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY-ioctl$ADD_NEW_DISK
detailed listing:
executing program 0:
mknodat$md(0xffffffffffffff9c, &(0x7f0000000000)='./md0\x00', 0x6180, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000040)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r0, 0x40480923, 0x0)
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000180)={0x1, {0x1, 0x1}, 0x1, 0x6})
ioctl$RUN_ARRAY(r0, 0x400c0930, 0x0)
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000340)={0x2, {0x1, 0x0}, 0x3, 0x40000})

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY-ioctl$ADD_NEW_DISK
detailed listing:
executing program 0:
mknodat$md(0xffffffffffffff9c, &(0x7f0000000000)='./md0\x00', 0x6180, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000040)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r0, 0x40480923, &(0x7f0000000100)={0x0, 0x5a, 0x0, 0x40, 0x1, 0xb7e, 0x0, 0x403, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x2000})
ioctl$ADD_NEW_DISK(r0, 0x40140921, 0x0)
ioctl$RUN_ARRAY(r0, 0x400c0930, 0x0)
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000340)={0x2, {0x1, 0x0}, 0x3, 0x40000})

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY-ioctl$ADD_NEW_DISK
detailed listing:
executing program 0:
mknodat$md(0xffffffffffffff9c, &(0x7f0000000000)='./md0\x00', 0x6180, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000040)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r0, 0x40480923, &(0x7f0000000100)={0x0, 0x5a, 0x0, 0x40, 0x1, 0xb7e, 0x0, 0x403, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x2000})
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000180)={0x1, {0x1, 0x1}, 0x1, 0x6})
ioctl$RUN_ARRAY(r0, 0x400c0930, 0x0)
ioctl$ADD_NEW_DISK(r0, 0x40140921, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY-ioctl$ADD_NEW_DISK
program crashed: UBSAN: array-index-out-of-bounds in super_90_validate
simplifying C reproducer
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY-ioctl$ADD_NEW_DISK
program crashed: UBSAN: array-index-out-of-bounds in super_90_validate
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}}): mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY-ioctl$ADD_NEW_DISK
program crashed: UBSAN: array-index-out-of-bounds in super_90_validate
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}}): mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY-ioctl$ADD_NEW_DISK
program crashed: UBSAN: array-index-out-of-bounds in super_90_validate
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}}): mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY-ioctl$ADD_NEW_DISK
program crashed: UBSAN: array-index-out-of-bounds in super_90_validate
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}}): mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY-ioctl$ADD_NEW_DISK
program crashed: UBSAN: array-index-out-of-bounds in super_90_validate
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}}): mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY-ioctl$ADD_NEW_DISK
program crashed: UBSAN: array-index-out-of-bounds in super_90_validate
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}}): mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY-ioctl$ADD_NEW_DISK
program crashed: UBSAN: array-index-out-of-bounds in super_90_validate
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}}): mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY-ioctl$ADD_NEW_DISK
detailed listing:
executing program 0:
mknodat$md(0xffffffffffffff9c, &(0x7f0000000000)='./md0\x00', 0x6180, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000040)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r0, 0x40480923, &(0x7f0000000100)={0x0, 0x5a, 0x0, 0x40, 0x1, 0xb7e, 0x0, 0x403, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x2000})
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000180)={0x1, {0x1, 0x1}, 0x1, 0x6})
ioctl$RUN_ARRAY(r0, 0x400c0930, 0x0)
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000340)={0x2, {0x1, 0x0}, 0x3, 0x40000})

program crashed: UBSAN: array-index-out-of-bounds in super_90_validate
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}}): mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY-ioctl$ADD_NEW_DISK
detailed listing:
executing program 0:
mknodat$md(0xffffffffffffff9c, &(0x7f0000000000)='./md0\x00', 0x6180, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000040)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r0, 0x40480923, &(0x7f0000000100)={0x0, 0x5a, 0x0, 0x40, 0x1, 0xb7e, 0x0, 0x403, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x2000})
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000180)={0x1, {0x1, 0x1}, 0x1, 0x6})
ioctl$RUN_ARRAY(r0, 0x400c0930, 0x0)
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000340)={0x2, {0x1, 0x0}, 0x3, 0x40000})

program crashed: UBSAN: array-index-out-of-bounds in super_90_validate
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}}): mknodat$md-openat$md_node-ioctl$SET_ARRAY_INFO-ioctl$ADD_NEW_DISK-ioctl$RUN_ARRAY-ioctl$ADD_NEW_DISK
detailed listing:
executing program 0:
mknodat$md(0xffffffffffffff9c, &(0x7f0000000000)='./md0\x00', 0x6180, 0x0)
r0 = openat$md_node(0xffffffffffffff9c, &(0x7f0000000040)='./md0\x00', 0x2, 0x0)
ioctl$SET_ARRAY_INFO(r0, 0x40480923, &(0x7f0000000100)={0x0, 0x5a, 0x0, 0x40, 0x1, 0xb7e, 0x0, 0x403, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x2000})
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000180)={0x1, {0x1, 0x1}, 0x1, 0x6})
ioctl$RUN_ARRAY(r0, 0x400c0930, 0x0)
ioctl$ADD_NEW_DISK(r0, 0x40140921, &(0x7f0000000340)={0x2, {0x1, 0x0}, 0x3, 0x40000})

program crashed: UBSAN: array-index-out-of-bounds in super_90_validate
validation run: crashed=true
reproducing took 30m26.773917018s
repro crashed as (corrupted=false):
block device autoloading is deprecated and will be removed.
md/raid1:md0: active with 1 out of 1027 mirrors
md0: detected capacity change from 0 to 5884
================================================================================
UBSAN: array-index-out-of-bounds in drivers/md/md.c:1390:20
index 1027 is out of range for type 'mdp_disk_t[27]' (aka 'struct mdp_device_descriptor_s[27]')
CPU: 1 PID: 4517 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
Call trace:
 dump_backtrace+0x1c4/0x1f0 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf4/0x15c lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 ubsan_epilogue+0x14/0x48 lib/ubsan.c:151
 __ubsan_handle_out_of_bounds+0xd0/0xf8 lib/ubsan.c:282
 super_90_validate+0x110c/0x15b8 drivers/md/md.c:1390
 add_bound_rdev+0x128/0x494 drivers/md/md.c:2908
 md_add_new_disk+0xc0c/0x1484 drivers/md/md.c:-1
 md_ioctl+0x2158/0x25cc drivers/md/md.c:7807
 blkdev_ioctl+0x654/0xb74 block/ioctl.c:626
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x12c arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:589
================================================================================
==================================================================
BUG: KASAN: use-after-free in super_90_validate+0x1128/0x15b8 drivers/md/md.c:1392
Read of size 4 at addr ffff0000cbb36390 by task syz.0.17/4517

CPU: 1 PID: 4517 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
Call trace:
 dump_backtrace+0x1c4/0x1f0 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf4/0x15c lib/dump_stack.c:106
 print_address_description+0x88/0x218 mm/kasan/report.c:316
 print_report+0x50/0x68 mm/kasan/report.c:420
 kasan_report+0xa8/0xfc mm/kasan/report.c:524
 __asan_report_load4_noabort+0x2c/0x38 mm/kasan/report_generic.c:350
 super_90_validate+0x1128/0x15b8 drivers/md/md.c:1392
 add_bound_rdev+0x128/0x494 drivers/md/md.c:2908
 md_add_new_disk+0xc0c/0x1484 drivers/md/md.c:-1
 md_ioctl+0x2158/0x25cc drivers/md/md.c:7807
 blkdev_ioctl+0x654/0xb74 block/ioctl.c:626
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x12c arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:589

Allocated by task 4433:
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x4c/0x80 mm/kasan/common.c:53
 kasan_save_alloc_info+0x24/0x30 mm/kasan/generic.c:505
 ____kasan_kmalloc mm/kasan/common.c:375 [inline]
 __kasan_kmalloc+0xa0/0xb8 mm/kasan/common.c:384
 kasan_kmalloc include/linux/kasan.h:211 [inline]
 __do_kmalloc_node mm/slab_common.c:936 [inline]
 __kmalloc_node+0xdc/0x184 mm/slab_common.c:943
 kmalloc_node include/linux/slab.h:589 [inline]
 kzalloc_node include/linux/slab.h:710 [inline]
 qdisc_alloc+0x8c/0x930 net/sched/sch_generic.c:971
 qdisc_create_dflt+0x70/0x554 net/sched/sch_generic.c:1033
 attach_one_default_qdisc net/sched/sch_generic.c:1197 [inline]
 netdev_for_each_tx_queue include/linux/netdevice.h:2474 [inline]
 attach_default_qdiscs net/sched/sch_generic.c:1215 [inline]
 dev_activate+0x2fc/0xf58 net/sched/sch_generic.c:1274
 __dev_open+0x384/0x4dc net/core/dev.c:1510
 __dev_change_flags+0x1a8/0x560 net/core/dev.c:8695
 dev_change_flags+0x80/0x15c net/core/dev.c:8767
 do_setlink+0x9d0/0x2158 net/core/rtnetlink.c:2845
 __rtnl_newlink net/core/rtnetlink.c:3622 [inline]
 rtnl_newlink+0x142c/0x1af0 net/core/rtnetlink.c:3669
 rtnetlink_rcv_msg+0x694/0xcc4 net/core/rtnetlink.c:6166
 netlink_rcv_skb+0x220/0x3ec net/netlink/af_netlink.c:2516
 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6184
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x5fc/0x80c net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x6f0/0x9d8 net/netlink/af_netlink.c:1877
 sock_sendmsg_nosec net/socket.c:718 [inline]
 __sock_sendmsg net/socket.c:730 [inline]
 __sys_sendto+0x324/0x440 net/socket.c:2153
 __do_sys_sendto net/socket.c:2165 [inline]
 __se_sys_sendto net/socket.c:2161 [inline]
 __arm64_sys_sendto+0xe4/0x104 net/socket.c:2161
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x12c arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:589

Freed by task 0:
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x4c/0x80 mm/kasan/common.c:53
 kasan_save_free_info+0x38/0x5c mm/kasan/generic.c:516
 ____kasan_slab_free+0x148/0x1b0 mm/kasan/common.c:237
 __kasan_slab_free+0x18/0x28 mm/kasan/common.c:245
 kasan_slab_free include/linux/kasan.h:177 [inline]
 slab_free_hook mm/slub.c:1735 [inline]
 slab_free_freelist_hook+0x16c/0x1e8 mm/slub.c:1761
 slab_free mm/slub.c:3694 [inline]
 __kmem_cache_free+0xbc/0x21c mm/slub.c:3707
 kfree+0xd0/0x1a8 mm/slab_common.c:988
 qdisc_free_cb+0xac/0xd0 net/sched/sch_generic.c:1078
 rcu_do_batch kernel/rcu/tree.c:2297 [inline]
 rcu_core+0x848/0x18e8 kernel/rcu/tree.c:2557
 rcu_core_si+0x10/0x1c kernel/rcu/tree.c:2574
 handle_softirqs+0x318/0xc90 kernel/softirq.c:596
 __do_softirq+0x14/0x20 kernel/softirq.c:630

Last potentially related work creation:
 kasan_save_stack+0x40/0x70 mm/kasan/common.c:46
 __kasan_record_aux_stack+0xc0/0xdc mm/kasan/generic.c:486
 kasan_record_aux_stack_noalloc+0x14/0x20 mm/kasan/generic.c:496
 call_rcu+0x104/0x958 kernel/rcu/tree.c:2849
 qdisc_free_rcu net/sched/sch_generic.c:1083 [inline]
 __qdisc_destroy+0x2b0/0x500 net/sched/sch_generic.c:1108
 qdisc_put net/sched/sch_generic.c:1128 [inline]
 dev_shutdown+0x35c/0x478 net/sched/sch_generic.c:1489
 unregister_netdevice_many_notify+0x998/0x1900 net/core/dev.c:11038
 unregister_netdevice_many net/core/dev.c:11101 [inline]
 default_device_exit_batch+0x9d4/0xa70 net/core/dev.c:11573
 ops_exit_list net/core/net_namespace.c:177 [inline]
 cleanup_net+0x650/0xa90 net/core/net_namespace.c:640
 process_one_work+0x7e4/0x13bc kernel/workqueue.c:2292
 worker_thread+0x8cc/0xfe8 kernel/workqueue.c:2439
 kthread+0x254/0x2e0 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854

The buggy address belongs to the object at ffff0000cbb36000
 which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 912 bytes inside of
 1024-byte region [ffff0000cbb36000, ffff0000cbb36400)

The buggy address belongs to the physical page:
page:000000004b7a628e refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10bb30
head:000000004b7a628e order:3 compound_mapcount:0 compound_pincount:0
flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000010200 0000000000000000 dead000000000122 ffff0000c0002780
raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000cbb36280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff0000cbb36300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff0000cbb36380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                         ^
 ffff0000cbb36400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff0000cbb36480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================

final repro crashed as (corrupted=false):
block device autoloading is deprecated and will be removed.
md/raid1:md0: active with 1 out of 1027 mirrors
md0: detected capacity change from 0 to 5884
================================================================================
UBSAN: array-index-out-of-bounds in drivers/md/md.c:1390:20
index 1027 is out of range for type 'mdp_disk_t[27]' (aka 'struct mdp_device_descriptor_s[27]')
CPU: 1 PID: 4517 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
Call trace:
 dump_backtrace+0x1c4/0x1f0 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf4/0x15c lib/dump_stack.c:106
 dump_stack+0x1c/0x5c lib/dump_stack.c:113
 ubsan_epilogue+0x14/0x48 lib/ubsan.c:151
 __ubsan_handle_out_of_bounds+0xd0/0xf8 lib/ubsan.c:282
 super_90_validate+0x110c/0x15b8 drivers/md/md.c:1390
 add_bound_rdev+0x128/0x494 drivers/md/md.c:2908
 md_add_new_disk+0xc0c/0x1484 drivers/md/md.c:-1
 md_ioctl+0x2158/0x25cc drivers/md/md.c:7807
 blkdev_ioctl+0x654/0xb74 block/ioctl.c:626
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x12c arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:589
================================================================================
==================================================================
BUG: KASAN: use-after-free in super_90_validate+0x1128/0x15b8 drivers/md/md.c:1392
Read of size 4 at addr ffff0000cbb36390 by task syz.0.17/4517

CPU: 1 PID: 4517 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026
Call trace:
 dump_backtrace+0x1c4/0x1f0 arch/arm64/kernel/stacktrace.c:158
 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165
 __dump_stack+0x30/0x40 lib/dump_stack.c:88
 dump_stack_lvl+0xf4/0x15c lib/dump_stack.c:106
 print_address_description+0x88/0x218 mm/kasan/report.c:316
 print_report+0x50/0x68 mm/kasan/report.c:420
 kasan_report+0xa8/0xfc mm/kasan/report.c:524
 __asan_report_load4_noabort+0x2c/0x38 mm/kasan/report_generic.c:350
 super_90_validate+0x1128/0x15b8 drivers/md/md.c:1392
 add_bound_rdev+0x128/0x494 drivers/md/md.c:2908
 md_add_new_disk+0xc0c/0x1484 drivers/md/md.c:-1
 md_ioctl+0x2158/0x25cc drivers/md/md.c:7807
 blkdev_ioctl+0x654/0xb74 block/ioctl.c:626
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x12c arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:589

Allocated by task 4433:
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x4c/0x80 mm/kasan/common.c:53
 kasan_save_alloc_info+0x24/0x30 mm/kasan/generic.c:505
 ____kasan_kmalloc mm/kasan/common.c:375 [inline]
 __kasan_kmalloc+0xa0/0xb8 mm/kasan/common.c:384
 kasan_kmalloc include/linux/kasan.h:211 [inline]
 __do_kmalloc_node mm/slab_common.c:936 [inline]
 __kmalloc_node+0xdc/0x184 mm/slab_common.c:943
 kmalloc_node include/linux/slab.h:589 [inline]
 kzalloc_node include/linux/slab.h:710 [inline]
 qdisc_alloc+0x8c/0x930 net/sched/sch_generic.c:971
 qdisc_create_dflt+0x70/0x554 net/sched/sch_generic.c:1033
 attach_one_default_qdisc net/sched/sch_generic.c:1197 [inline]
 netdev_for_each_tx_queue include/linux/netdevice.h:2474 [inline]
 attach_default_qdiscs net/sched/sch_generic.c:1215 [inline]
 dev_activate+0x2fc/0xf58 net/sched/sch_generic.c:1274
 __dev_open+0x384/0x4dc net/core/dev.c:1510
 __dev_change_flags+0x1a8/0x560 net/core/dev.c:8695
 dev_change_flags+0x80/0x15c net/core/dev.c:8767
 do_setlink+0x9d0/0x2158 net/core/rtnetlink.c:2845
 __rtnl_newlink net/core/rtnetlink.c:3622 [inline]
 rtnl_newlink+0x142c/0x1af0 net/core/rtnetlink.c:3669
 rtnetlink_rcv_msg+0x694/0xcc4 net/core/rtnetlink.c:6166
 netlink_rcv_skb+0x220/0x3ec net/netlink/af_netlink.c:2516
 rtnetlink_rcv+0x28/0x38 net/core/rtnetlink.c:6184
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x5fc/0x80c net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x6f0/0x9d8 net/netlink/af_netlink.c:1877
 sock_sendmsg_nosec net/socket.c:718 [inline]
 __sock_sendmsg net/socket.c:730 [inline]
 __sys_sendto+0x324/0x440 net/socket.c:2153
 __do_sys_sendto net/socket.c:2165 [inline]
 __se_sys_sendto net/socket.c:2161 [inline]
 __arm64_sys_sendto+0xe4/0x104 net/socket.c:2161
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x12c arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:589

Freed by task 0:
 kasan_save_stack mm/kasan/common.c:46 [inline]
 kasan_set_track+0x4c/0x80 mm/kasan/common.c:53
 kasan_save_free_info+0x38/0x5c mm/kasan/generic.c:516
 ____kasan_slab_free+0x148/0x1b0 mm/kasan/common.c:237
 __kasan_slab_free+0x18/0x28 mm/kasan/common.c:245
 kasan_slab_free include/linux/kasan.h:177 [inline]
 slab_free_hook mm/slub.c:1735 [inline]
 slab_free_freelist_hook+0x16c/0x1e8 mm/slub.c:1761
 slab_free mm/slub.c:3694 [inline]
 __kmem_cache_free+0xbc/0x21c mm/slub.c:3707
 kfree+0xd0/0x1a8 mm/slab_common.c:988
 qdisc_free_cb+0xac/0xd0 net/sched/sch_generic.c:1078
 rcu_do_batch kernel/rcu/tree.c:2297 [inline]
 rcu_core+0x848/0x18e8 kernel/rcu/tree.c:2557
 rcu_core_si+0x10/0x1c kernel/rcu/tree.c:2574
 handle_softirqs+0x318/0xc90 kernel/softirq.c:596
 __do_softirq+0x14/0x20 kernel/softirq.c:630

Last potentially related work creation:
 kasan_save_stack+0x40/0x70 mm/kasan/common.c:46
 __kasan_record_aux_stack+0xc0/0xdc mm/kasan/generic.c:486
 kasan_record_aux_stack_noalloc+0x14/0x20 mm/kasan/generic.c:496
 call_rcu+0x104/0x958 kernel/rcu/tree.c:2849
 qdisc_free_rcu net/sched/sch_generic.c:1083 [inline]
 __qdisc_destroy+0x2b0/0x500 net/sched/sch_generic.c:1108
 qdisc_put net/sched/sch_generic.c:1128 [inline]
 dev_shutdown+0x35c/0x478 net/sched/sch_generic.c:1489
 unregister_netdevice_many_notify+0x998/0x1900 net/core/dev.c:11038
 unregister_netdevice_many net/core/dev.c:11101 [inline]
 default_device_exit_batch+0x9d4/0xa70 net/core/dev.c:11573
 ops_exit_list net/core/net_namespace.c:177 [inline]
 cleanup_net+0x650/0xa90 net/core/net_namespace.c:640
 process_one_work+0x7e4/0x13bc kernel/workqueue.c:2292
 worker_thread+0x8cc/0xfe8 kernel/workqueue.c:2439
 kthread+0x254/0x2e0 kernel/kthread.c:376
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854

The buggy address belongs to the object at ffff0000cbb36000
 which belongs to the cache kmalloc-1k of size 1024
The buggy address is located 912 bytes inside of
 1024-byte region [ffff0000cbb36000, ffff0000cbb36400)

The buggy address belongs to the physical page:
page:000000004b7a628e refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x10bb30
head:000000004b7a628e order:3 compound_mapcount:0 compound_pincount:0
flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff)
raw: 05ffc00000010200 0000000000000000 dead000000000122 ffff0000c0002780
raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected

Memory state around the buggy address:
 ffff0000cbb36280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff0000cbb36300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff0000cbb36380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                         ^
 ffff0000cbb36400: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff0000cbb36480: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================