Extracting prog: 3m0.715806388s
Minimizing prog: 9m50.894663798s
Simplifying prog options: 3m57.662235433s
Extracting C: 37.628570691s
Simplifying C: 0s


extracting reproducer from 24 programs
testing a last program of every proc
single: executing 5 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-close-socket$tipc-bind$tipc-socket$tipc-setsockopt$TIPC_GROUP_JOIN-close-socket$nl_netfilter-ioctl$sock_SIOCGIFINDEX-mkdirat-mount-pidfd_getfd-sendmmsg-openat-write-bpf$MAP_CREATE-ioctl$AUTOFS_DEV_IOCTL_PROTOSUBVER-openat$fuse-bpf$MAP_CREATE-mmap$IORING_OFF_SQ_RING-capset-socket$nl_route-sendmsg$nl_route_sched-bpf$MAP_DELETE_ELEM-socket-openat$vsock-syz_open_dev$dvb_demux-ioctl$DVB_DEMUX_DMX_SET_FILTER-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
close(0xffffffffffffffff)
r1 = socket$tipc(0x1e, 0x5, 0x0)
bind$tipc(r1, &(0x7f0000000000)=@nameseq={0x1e, 0x1, 0x0, {0x42, 0x0, 0xfffffffd}}, 0x10)
r2 = socket$tipc(0x1e, 0x2, 0x0)
setsockopt$TIPC_GROUP_JOIN(r2, 0x10f, 0x87, &(0x7f0000000040)={0x42, 0x2}, 0x10)
close(0x3)
r3 = socket$nl_netfilter(0x10, 0x3, 0xc)
ioctl$sock_SIOCGIFINDEX(r3, 0x8933, &(0x7f0000000100)={'dummy0\x00'})
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000180)='./proc\x00', &(0x7f00000001c0)='proc\x00', 0x4000, 0x0)
r4 = pidfd_getfd(0xffffffffffffffff, 0xffffffffffffffff, 0x0)
sendmmsg(r4, &(0x7f0000000200)=[{{0x0, 0x0, 0x0}}], 0x1, 0x0)
r5 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./proc/thread-self/fail-nth\x00', 0x2, 0x0)
write(r5, &(0x7f00000002c0)='100', 0x3)
bpf$MAP_CREATE(0x0, &(0x7f0000000300)=ANY=[@ANYBLOB="0b0000001f00000002040000ff03100001"], 0x50)
ioctl$AUTOFS_DEV_IOCTL_PROTOSUBVER(r4, 0xc0189373, 0x0)
openat$fuse(0xffffffffffffff9c, &(0x7f0000000340), 0x2, 0x0)
r6 = bpf$MAP_CREATE(0x0, &(0x7f0000000380)=ANY=[@ANYBLOB="22000000040000001000000012"], 0x48)
mmap$IORING_OFF_SQ_RING(0x110c230000, 0x3, 0x1, 0x401d031, 0xffffffffffffffff, 0x0)
capset(&(0x7f00000003c0)={0x20080522}, &(0x7f0000000400)={0x200002, 0x200003, 0x801, 0x4, 0x7})
r7 = socket$nl_route(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r7, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000480)={&(0x7f00000000c0)=@newqdisc={0x24, 0x24, 0x4ee4e6a52ff56541, 0x2003, 0x0, {0x0, 0x0, 0x0, 0x0, {}, {0xffff, 0xffff}, {0xe}}, [@TCA_INGRESS_BLOCK={0x0, 0xd, 0x6}]}, 0xffffffffffffff1b}}, 0x50)
bpf$MAP_DELETE_ELEM(0x3, &(0x7f0000000500)={r6, &(0x7f0000000540)}, 0x20)
socket(0x2a, 0x1, 0x7)
openat$vsock(0xffffffffffffff9c, &(0x7f00000005c0), 0x80000, 0x0)
r8 = syz_open_dev$dvb_demux(&(0x7f0000000600), 0x0, 0x700)
ioctl$DVB_DEMUX_DMX_SET_FILTER(r8, 0x403c6f2b, &(0x7f0000000640)={0x6, {"4772ffacff04856ec9e8776f8ee906be", "2dfad343e15ead11f40c897700", "0000b3f88813da82b4cf00"}, 0x3eaf, 0x4})
sendmsg$nl_route_sched(r0, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000080)={0x0}, 0x1, 0x0, 0x0, 0x4000000}, 0x20040084)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
detailed listing:
executing program 0:
r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000800), 0x2, 0x0)
ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000840)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x0, 0x0, 0x0, {<r1=>0x0, {'syz', 0x0, '2\x00'}, @uuid={'CRP-syz', 0x0, '1\x00'}}})
ioctl$DM_TABLE_LOAD(r0, 0xc138fd09, &(0x7f00000000c0)={0x4, 0x0, 0x0, 0x1b0, 0x138, 0x100000, 0x0, 0xa0011, 0x0, 0x0, @by_dev={r1}, [@raid={0x0, 0x8, 0x0, 0x78, 'raid\x00', {'raid1', 0x20, '3 64 rebuild 0', 0x20, 0x2, [{0x20, @none, 0x20, @ram_num={'1:', 0x0}}, {0x20, @none, 0x20, @ram={'/dev/ram', 0x1}}]}}]})

program crashed: KASAN: slab-use-after-free Read in md_start_sync
single: successfully extracted reproducer
found reproducer with 3 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}}): openat$dm_control-ioctl$DM_DEV_CREATE
detailed listing:
executing program 0:
r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000800), 0x2, 0x0)
ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000840)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}, @uuid={'CRP-syz', 0x0, '1\x00'}}})

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-ioctl$DM_TABLE_LOAD
detailed listing:
executing program 0:
r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000800), 0x2, 0x0)
ioctl$DM_TABLE_LOAD(r0, 0xc138fd09, &(0x7f00000000c0)={0x4, 0x0, 0x0, 0x1b0, 0x138, 0x100000, 0x0, 0xa0011, 0x0, 0x0, @by_dev, [@raid={0x0, 0x8, 0x0, 0x78, 'raid\x00', {'raid1', 0x20, '3 64 rebuild 0', 0x20, 0x2, [{0x20, @none, 0x20, @ram_num={'1:', 0x0}}, {0x20, @none, 0x20, @ram={'/dev/ram', 0x1}}]}}]})

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}}): ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
detailed listing:
executing program 0:
ioctl$DM_DEV_CREATE(0xffffffffffffffff, 0xc138fd03, &(0x7f0000000840)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x0, 0x0, 0x0, {<r0=>0x0, {'syz', 0x0, '2\x00'}, @uuid={'CRP-syz', 0x0, '1\x00'}}})
ioctl$DM_TABLE_LOAD(0xffffffffffffffff, 0xc138fd09, &(0x7f00000000c0)={0x4, 0x0, 0x0, 0x1b0, 0x138, 0x100000, 0x0, 0xa0011, 0x0, 0x0, @by_dev={r0}, [@raid={0x0, 0x8, 0x0, 0x78, 'raid\x00', {'raid1', 0x20, '3 64 rebuild 0', 0x20, 0x2, [{0x20, @none, 0x20, @ram_num={'1:', 0x0}}, {0x20, @none, 0x20, @ram={'/dev/ram', 0x1}}]}}]})

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
detailed listing:
executing program 0:
r0 = openat$dm_control(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000840)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x0, 0x0, 0x0, {<r1=>0x0, {'syz', 0x0, '2\x00'}, @uuid={'CRP-syz', 0x0, '1\x00'}}})
ioctl$DM_TABLE_LOAD(r0, 0xc138fd09, &(0x7f00000000c0)={0x4, 0x0, 0x0, 0x1b0, 0x138, 0x100000, 0x0, 0xa0011, 0x0, 0x0, @by_dev={r1}, [@raid={0x0, 0x8, 0x0, 0x78, 'raid\x00', {'raid1', 0x20, '3 64 rebuild 0', 0x20, 0x2, [{0x20, @none, 0x20, @ram_num={'1:', 0x0}}, {0x20, @none, 0x20, @ram={'/dev/ram', 0x1}}]}}]})

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
detailed listing:
executing program 0:
r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000800), 0x2, 0x0)
ioctl$DM_DEV_CREATE(r0, 0xc138fd03, 0x0)
ioctl$DM_TABLE_LOAD(r0, 0xc138fd09, &(0x7f00000000c0)={0x4, 0x0, 0x0, 0x1b0, 0x138, 0x100000, 0x0, 0xa0011, 0x0, 0x0, @by_dev, [@raid={0x0, 0x8, 0x0, 0x78, 'raid\x00', {'raid1', 0x20, '3 64 rebuild 0', 0x20, 0x2, [{0x20, @none, 0x20, @ram_num={'1:', 0x0}}, {0x20, @none, 0x20, @ram={'/dev/ram', 0x1}}]}}]})

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
detailed listing:
executing program 0:
r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000800), 0x2, 0x0)
ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000840)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x0, 0x0, 0x0, {0x0, {'syz', 0x0, '2\x00'}, @uuid={'CRP-syz', 0x0, '1\x00'}}})
ioctl$DM_TABLE_LOAD(r0, 0xc138fd09, 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}}): openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
program did not crash
simplifying guilty program options
testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
detailed listing:
executing program 0:
r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000800), 0x2, 0x0)
ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000840)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x0, 0x0, 0x0, {<r1=>0x0, {'syz', 0x0, '2\x00'}, @uuid={'CRP-syz', 0x0, '1\x00'}}})
ioctl$DM_TABLE_LOAD(r0, 0xc138fd09, &(0x7f00000000c0)={0x4, 0x0, 0x0, 0x1b0, 0x138, 0x100000, 0x0, 0xa0011, 0x0, 0x0, @by_dev={r1}, [@raid={0x0, 0x8, 0x0, 0x78, 'raid\x00', {'raid1', 0x20, '3 64 rebuild 0', 0x20, 0x2, [{0x20, @none, 0x20, @ram_num={'1:', 0x0}}, {0x20, @none, 0x20, @ram={'/dev/ram', 0x1}}]}}]})

program crashed: BUG: unable to handle kernel paging request in remove_spares
a never seen crash title: BUG: unable to handle kernel paging request in remove_spares, ignore
testing 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$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
detailed listing:
executing program 0:
r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000800), 0x2, 0x0)
ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000840)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x0, 0x0, 0x0, {<r1=>0x0, {'syz', 0x0, '2\x00'}, @uuid={'CRP-syz', 0x0, '1\x00'}}})
ioctl$DM_TABLE_LOAD(r0, 0xc138fd09, &(0x7f00000000c0)={0x4, 0x0, 0x0, 0x1b0, 0x138, 0x100000, 0x0, 0xa0011, 0x0, 0x0, @by_dev={r1}, [@raid={0x0, 0x8, 0x0, 0x78, 'raid\x00', {'raid1', 0x20, '3 64 rebuild 0', 0x20, 0x2, [{0x20, @none, 0x20, @ram_num={'1:', 0x0}}, {0x20, @none, 0x20, @ram={'/dev/ram', 0x1}}]}}]})

program did not crash
testing 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$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
detailed listing:
executing program 0:
r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000800), 0x2, 0x0)
ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000840)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x0, 0x0, 0x0, {<r1=>0x0, {'syz', 0x0, '2\x00'}, @uuid={'CRP-syz', 0x0, '1\x00'}}})
ioctl$DM_TABLE_LOAD(r0, 0xc138fd09, &(0x7f00000000c0)={0x4, 0x0, 0x0, 0x1b0, 0x138, 0x100000, 0x0, 0xa0011, 0x0, 0x0, @by_dev={r1}, [@raid={0x0, 0x8, 0x0, 0x78, 'raid\x00', {'raid1', 0x20, '3 64 rebuild 0', 0x20, 0x2, [{0x20, @none, 0x20, @ram_num={'1:', 0x0}}, {0x20, @none, 0x20, @ram={'/dev/ram', 0x1}}]}}]})

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
detailed listing:
executing program 0:
r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000800), 0x2, 0x0)
ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000840)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x0, 0x0, 0x0, {<r1=>0x0, {'syz', 0x0, '2\x00'}, @uuid={'CRP-syz', 0x0, '1\x00'}}})
ioctl$DM_TABLE_LOAD(r0, 0xc138fd09, &(0x7f00000000c0)={0x4, 0x0, 0x0, 0x1b0, 0x138, 0x100000, 0x0, 0xa0011, 0x0, 0x0, @by_dev={r1}, [@raid={0x0, 0x8, 0x0, 0x78, 'raid\x00', {'raid1', 0x20, '3 64 rebuild 0', 0x20, 0x2, [{0x20, @none, 0x20, @ram_num={'1:', 0x0}}, {0x20, @none, 0x20, @ram={'/dev/ram', 0x1}}]}}]})

program crashed: BUG: unable to handle kernel paging request in remove_spares
validation run: crashed=true
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
detailed listing:
executing program 0:
r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000800), 0x2, 0x0)
ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000840)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x0, 0x0, 0x0, {<r1=>0x0, {'syz', 0x0, '2\x00'}, @uuid={'CRP-syz', 0x0, '1\x00'}}})
ioctl$DM_TABLE_LOAD(r0, 0xc138fd09, &(0x7f00000000c0)={0x4, 0x0, 0x0, 0x1b0, 0x138, 0x100000, 0x0, 0xa0011, 0x0, 0x0, @by_dev={r1}, [@raid={0x0, 0x8, 0x0, 0x78, 'raid\x00', {'raid1', 0x20, '3 64 rebuild 0', 0x20, 0x2, [{0x20, @none, 0x20, @ram_num={'1:', 0x0}}, {0x20, @none, 0x20, @ram={'/dev/ram', 0x1}}]}}]})

program crashed: BUG: unable to handle kernel paging request in remove_spares
validation run: crashed=true
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
detailed listing:
executing program 0:
r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000800), 0x2, 0x0)
ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000840)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x0, 0x0, 0x0, {<r1=>0x0, {'syz', 0x0, '2\x00'}, @uuid={'CRP-syz', 0x0, '1\x00'}}})
ioctl$DM_TABLE_LOAD(r0, 0xc138fd09, &(0x7f00000000c0)={0x4, 0x0, 0x0, 0x1b0, 0x138, 0x100000, 0x0, 0xa0011, 0x0, 0x0, @by_dev={r1}, [@raid={0x0, 0x8, 0x0, 0x78, 'raid\x00', {'raid1', 0x20, '3 64 rebuild 0', 0x20, 0x2, [{0x20, @none, 0x20, @ram_num={'1:', 0x0}}, {0x20, @none, 0x20, @ram={'/dev/ram', 0x1}}]}}]})

program did not crash
validation run: crashed=false
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
detailed listing:
executing program 0:
r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000800), 0x2, 0x0)
ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000840)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x0, 0x0, 0x0, {<r1=>0x0, {'syz', 0x0, '2\x00'}, @uuid={'CRP-syz', 0x0, '1\x00'}}})
ioctl$DM_TABLE_LOAD(r0, 0xc138fd09, &(0x7f00000000c0)={0x4, 0x0, 0x0, 0x1b0, 0x138, 0x100000, 0x0, 0xa0011, 0x0, 0x0, @by_dev={r1}, [@raid={0x0, 0x8, 0x0, 0x78, 'raid\x00', {'raid1', 0x20, '3 64 rebuild 0', 0x20, 0x2, [{0x20, @none, 0x20, @ram_num={'1:', 0x0}}, {0x20, @none, 0x20, @ram={'/dev/ram', 0x1}}]}}]})

program did not crash
validation run: crashed=false
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
detailed listing:
executing program 0:
r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000800), 0x2, 0x0)
ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000840)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x0, 0x0, 0x0, {<r1=>0x0, {'syz', 0x0, '2\x00'}, @uuid={'CRP-syz', 0x0, '1\x00'}}})
ioctl$DM_TABLE_LOAD(r0, 0xc138fd09, &(0x7f00000000c0)={0x4, 0x0, 0x0, 0x1b0, 0x138, 0x100000, 0x0, 0xa0011, 0x0, 0x0, @by_dev={r1}, [@raid={0x0, 0x8, 0x0, 0x78, 'raid\x00', {'raid1', 0x20, '3 64 rebuild 0', 0x20, 0x2, [{0x20, @none, 0x20, @ram_num={'1:', 0x0}}, {0x20, @none, 0x20, @ram={'/dev/ram', 0x1}}]}}]})

program did not crash
validation run: crashed=false
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$dm_control-ioctl$DM_DEV_CREATE-ioctl$DM_TABLE_LOAD
detailed listing:
executing program 0:
r0 = openat$dm_control(0xffffffffffffff9c, &(0x7f0000000800), 0x2, 0x0)
ioctl$DM_DEV_CREATE(r0, 0xc138fd03, &(0x7f0000000840)={0x4, 0x0, 0x0, 0x138, 0x138, 0x0, 0x0, 0x0, 0x0, 0x0, {<r1=>0x0, {'syz', 0x0, '2\x00'}, @uuid={'CRP-syz', 0x0, '1\x00'}}})
ioctl$DM_TABLE_LOAD(r0, 0xc138fd09, &(0x7f00000000c0)={0x4, 0x0, 0x0, 0x1b0, 0x138, 0x100000, 0x0, 0xa0011, 0x0, 0x0, @by_dev={r1}, [@raid={0x0, 0x8, 0x0, 0x78, 'raid\x00', {'raid1', 0x20, '3 64 rebuild 0', 0x20, 0x2, [{0x20, @none, 0x20, @ram_num={'1:', 0x0}}, {0x20, @none, 0x20, @ram={'/dev/ram', 0x1}}]}}]})

program crashed: BUG: unable to handle kernel paging request in remove_spares
validation run: crashed=true
reproducing took 25m13.344406463s
repro crashed as (corrupted=false):
Unable to handle kernel paging request at virtual address dfff80000000000a
KASAN: null-ptr-deref in range [0x0000000000000050-0x0000000000000057]
Mem abort info:
  ESR = 0x0000000096000005
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x05: level 1 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000
  CM = 0, WnR = 0, TnD = 0, TagAccess = 0
  GCS = 0, Overlay = 0, DirtyBit = 0
[dfff80000000000a] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1]  SMP
Modules linked in:
CPU: 1 UID: 0 PID: 4993 Comm: kworker/1:5 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026
Workqueue: md_misc md_start_sync
pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : remove_spares+0x100/0x3c8 drivers/md/md.c:10182
lr : remove_spares+0xe0/0x3c8 drivers/md/md.c:10181
sp : ffff800097277900
x29: ffff8000972779a0 x28: ffff0000f4c1c070 x27: 1fffe0001e98380c
x26: dfff800000000000 x25: ffff700012e4ef24 x24: 0000000000000050
x23: 0000000000000000 x22: ffff0000f4c1d108 x21: 0000000000000000
x20: ffff0000f4c1c058 x19: ffff0000f4c1c060 x18: 00000000ffffffff
x17: ffff80012364b000 x16: ffff80008f920000 x15: ffff80008b586000
x14: 00000000001b18f8 x13: 0000000000000001 x12: 0000000000000000
x11: 0000000000000000 x10: ffff60001e983a48 x9 : 0000000000000000
x8 : 000000000000000a x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000841063ac
x2 : 0000000000000000 x1 : ffff0000c4d55880 x0 : 0000000000000001
Call trace:
 remove_spares+0x100/0x3c8 drivers/md/md.c:10182 (P)
 remove_and_add_spares+0xf4/0x580 drivers/md/md.c:10207
 md_start_sync+0x1f8/0xc80 drivers/md/md.c:10323
 process_one_work kernel/workqueue.c:3495 [inline]
 process_scheduled_works+0x91c/0x1250 kernel/workqueue.c:3578
 worker_thread+0x798/0xbd0 kernel/workqueue.c:3659
 kthread+0x304/0x3d4 kernel/kthread.c:436
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854
Code: 972be018 f9400268 91014118 d343ff08 (387a6908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	972be018 	bl	0xfffffffffcaf8060
   4:	f9400268 	ldr	x8, [x19]
   8:	91014118 	add	x24, x8, #0x50
   c:	d343ff08 	lsr	x8, x24, #3
* 10:	387a6908 	ldrb	w8, [x8, x26] <-- trapping instruction

final repro crashed as (corrupted=false):
Unable to handle kernel paging request at virtual address dfff80000000000a
KASAN: null-ptr-deref in range [0x0000000000000050-0x0000000000000057]
Mem abort info:
  ESR = 0x0000000096000005
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x05: level 1 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000
  CM = 0, WnR = 0, TnD = 0, TagAccess = 0
  GCS = 0, Overlay = 0, DirtyBit = 0
[dfff80000000000a] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1]  SMP
Modules linked in:
CPU: 1 UID: 0 PID: 4993 Comm: kworker/1:5 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/23/2026
Workqueue: md_misc md_start_sync
pstate: 83400005 (Nzcv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : remove_spares+0x100/0x3c8 drivers/md/md.c:10182
lr : remove_spares+0xe0/0x3c8 drivers/md/md.c:10181
sp : ffff800097277900
x29: ffff8000972779a0 x28: ffff0000f4c1c070 x27: 1fffe0001e98380c
x26: dfff800000000000 x25: ffff700012e4ef24 x24: 0000000000000050
x23: 0000000000000000 x22: ffff0000f4c1d108 x21: 0000000000000000
x20: ffff0000f4c1c058 x19: ffff0000f4c1c060 x18: 00000000ffffffff
x17: ffff80012364b000 x16: ffff80008f920000 x15: ffff80008b586000
x14: 00000000001b18f8 x13: 0000000000000001 x12: 0000000000000000
x11: 0000000000000000 x10: ffff60001e983a48 x9 : 0000000000000000
x8 : 000000000000000a x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000008 x3 : ffff8000841063ac
x2 : 0000000000000000 x1 : ffff0000c4d55880 x0 : 0000000000000001
Call trace:
 remove_spares+0x100/0x3c8 drivers/md/md.c:10182 (P)
 remove_and_add_spares+0xf4/0x580 drivers/md/md.c:10207
 md_start_sync+0x1f8/0xc80 drivers/md/md.c:10323
 process_one_work kernel/workqueue.c:3495 [inline]
 process_scheduled_works+0x91c/0x1250 kernel/workqueue.c:3578
 worker_thread+0x798/0xbd0 kernel/workqueue.c:3659
 kthread+0x304/0x3d4 kernel/kthread.c:436
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854
Code: 972be018 f9400268 91014118 d343ff08 (387a6908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	972be018 	bl	0xfffffffffcaf8060
   4:	f9400268 	ldr	x8, [x19]
   8:	91014118 	add	x24, x8, #0x50
   c:	d343ff08 	lsr	x8, x24, #3
* 10:	387a6908 	ldrb	w8, [x8, x26] <-- trapping instruction