Extracting prog: 1m1.730520544s
Minimizing prog: 43m7.464737639s
Simplifying prog options: 0s
Extracting C: 2m1.975805807s
Simplifying C: 35m52.062773915s


extracting reproducer from 30 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:namespace 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise-syz_open_procfs$pagemap-ioctl$PAGEMAP_SCAN
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2000003, 0x4008032, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xf, 0x4008031, 0xffffffffffffffff, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='maps\x00')
syz_usb_connect(0x0, 0x24, &(0x7f00000001c0)={{0x12, 0x1, 0x0, 0xfe, 0xec, 0x48, 0x8, 0x61d, 0xc120, 0xe367, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x42, 0x1f, 0xe3}}]}}]}}, 0x0) (async, rerun: 64)
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x68, 0x0, 0x17, 0x2000, &(0x7f0000ffd000/0x2000)=nil}) (async, rerun: 64)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x15) (async, rerun: 64)
r1 = syz_open_procfs$pagemap(0x0, &(0x7f0000000280)) (rerun: 64)
ioctl$PAGEMAP_SCAN(r1, 0xc0606610, &(0x7f00000004c0)={0x60, 0x1, &(0x7f000023d000/0x4000)=nil, &(0x7f00007fe000/0x2000)=nil, 0x7, &(0x7f0000000000)=[{0xcc2, 0x1c, 0xd}, {0xfc9c, 0x10000, 0x7fff}, {0x4, 0x1, 0x7fffffff}], 0x43, 0x3, 0x2, 0x0, 0x0, 0x20})

program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
single: successfully extracted reproducer
found reproducer with 8 syscalls
minimizing guilty program
testing program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise-syz_open_procfs$pagemap
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2000003, 0x4008032, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xf, 0x4008031, 0xffffffffffffffff, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='maps\x00')
syz_usb_connect(0x0, 0x24, &(0x7f00000001c0)={{0x12, 0x1, 0x0, 0xfe, 0xec, 0x48, 0x8, 0x61d, 0xc120, 0xe367, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x42, 0x1f, 0xe3}}]}}]}}, 0x0) (async, rerun: 64)
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x68, 0x0, 0x17, 0x2000, &(0x7f0000ffd000/0x2000)=nil}) (async, rerun: 64)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x15) (async, rerun: 64)
syz_open_procfs$pagemap(0x0, &(0x7f0000000280)) (rerun: 64)

program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2000003, 0x4008032, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xf, 0x4008031, 0xffffffffffffffff, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='maps\x00')
syz_usb_connect(0x0, 0x24, &(0x7f00000001c0)={{0x12, 0x1, 0x0, 0xfe, 0xec, 0x48, 0x8, 0x61d, 0xc120, 0xe367, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x42, 0x1f, 0xe3}}]}}]}}, 0x0) (async, rerun: 64)
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x68, 0x0, 0x17, 0x2000, &(0x7f0000ffd000/0x2000)=nil}) (async, rerun: 64)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x15) (async, rerun: 64)

program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2000003, 0x4008032, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xf, 0x4008031, 0xffffffffffffffff, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='maps\x00')
syz_usb_connect(0x0, 0x24, &(0x7f00000001c0)={{0x12, 0x1, 0x0, 0xfe, 0xec, 0x48, 0x8, 0x61d, 0xc120, 0xe367, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x42, 0x1f, 0xe3}}]}}]}}, 0x0) (async, rerun: 64)
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x68, 0x0, 0x17, 0x2000, &(0x7f0000ffd000/0x2000)=nil}) (async, rerun: 64)

program did not crash
testing program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mmap-syz_open_procfs-syz_usb_connect-madvise
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2000003, 0x4008032, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xf, 0x4008031, 0xffffffffffffffff, 0x0)
syz_open_procfs(0x0, &(0x7f00000001c0)='maps\x00')
syz_usb_connect(0x0, 0x24, &(0x7f00000001c0)={{0x12, 0x1, 0x0, 0xfe, 0xec, 0x48, 0x8, 0x61d, 0xc120, 0xe367, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x42, 0x1f, 0xe3}}]}}]}}, 0x0) (async, rerun: 64)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x15) (async, rerun: 64)

program did not crash
testing program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mmap-syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2000003, 0x4008032, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xf, 0x4008031, 0xffffffffffffffff, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='maps\x00')
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x68, 0x0, 0x17, 0x2000, &(0x7f0000ffd000/0x2000)=nil}) (async, rerun: 64)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x15) (async, rerun: 64)

program did not crash
testing program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-mmap-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2000003, 0x4008032, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xf, 0x4008031, 0xffffffffffffffff, 0x0)
syz_usb_connect(0x0, 0x24, &(0x7f00000001c0)={{0x12, 0x1, 0x0, 0xfe, 0xec, 0x48, 0x8, 0x61d, 0xc120, 0xe367, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x42, 0x1f, 0xe3}}]}}]}}, 0x0) (async, rerun: 64)
ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0xc0686611, &(0x7f0000000180)={0x68, 0x0, 0x17, 0x2000, &(0x7f0000ffd000/0x2000)=nil}) (async, rerun: 64)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x15) (async, rerun: 64)

program did not crash
testing program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2000003, 0x4008032, 0xffffffffffffffff, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='maps\x00')
syz_usb_connect(0x0, 0x24, &(0x7f00000001c0)={{0x12, 0x1, 0x0, 0xfe, 0xec, 0x48, 0x8, 0x61d, 0xc120, 0xe367, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x42, 0x1f, 0xe3}}]}}]}}, 0x0) (async, rerun: 64)
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x68, 0x0, 0x17, 0x2000, &(0x7f0000ffd000/0x2000)=nil}) (async, rerun: 64)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x15) (async, rerun: 64)

program did not crash
testing program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xf, 0x4008031, 0xffffffffffffffff, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='maps\x00')
syz_usb_connect(0x0, 0x24, &(0x7f00000001c0)={{0x12, 0x1, 0x0, 0xfe, 0xec, 0x48, 0x8, 0x61d, 0xc120, 0xe367, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x42, 0x1f, 0xe3}}]}}]}}, 0x0) (async, rerun: 64)
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x68, 0x0, 0x17, 0x2000, &(0x7f0000ffd000/0x2000)=nil}) (async, rerun: 64)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x15) (async, rerun: 64)

program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xf, 0x4008031, 0xffffffffffffffff, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='maps\x00')
syz_usb_connect(0x0, 0x24, &(0x7f00000001c0)={{0x12, 0x1, 0x0, 0xfe, 0xec, 0x48, 0x8, 0x61d, 0xc120, 0xe367, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x42, 0x1f, 0xe3}}]}}]}}, 0x0)
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x68, 0x0, 0x17, 0x2000, &(0x7f0000ffd000/0x2000)=nil})
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x15)

program did not crash
testing program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xf, 0x4008031, 0xffffffffffffffff, 0x0)
r0 = syz_open_procfs(0x0, 0x0)
syz_usb_connect(0x0, 0x24, &(0x7f00000001c0)={{0x12, 0x1, 0x0, 0xfe, 0xec, 0x48, 0x8, 0x61d, 0xc120, 0xe367, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x42, 0x1f, 0xe3}}]}}]}}, 0x0) (async, rerun: 64)
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x68, 0x0, 0x17, 0x2000, &(0x7f0000ffd000/0x2000)=nil}) (async, rerun: 64)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x15) (async, rerun: 64)

program did not crash
testing program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xf, 0x4008031, 0xffffffffffffffff, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='maps\x00')
syz_usb_connect(0x0, 0x0, 0x0, 0x0) (async, rerun: 64)
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x68, 0x0, 0x17, 0x2000, &(0x7f0000ffd000/0x2000)=nil}) (async, rerun: 64)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x15) (async, rerun: 64)

program did not crash
testing program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xf, 0x4008031, 0xffffffffffffffff, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='maps\x00')
syz_usb_connect(0x0, 0x24, &(0x7f00000001c0)={{0x12, 0x1, 0x0, 0xfe, 0xec, 0x48, 0x8, 0x61d, 0xc120, 0xe367, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x42, 0x1f, 0xe3}}]}}]}}, 0x0) (rerun: 64)
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x68, 0x0, 0x17, 0x2000, &(0x7f0000ffd000/0x2000)=nil}) (async, rerun: 64)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x15) (async, rerun: 64)

program crashed: general protection fault in workingset_refault
testing program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xf, 0x4008031, 0xffffffffffffffff, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='maps\x00')
syz_usb_connect(0x0, 0x24, &(0x7f00000001c0)={{0x12, 0x1, 0x0, 0xfe, 0xec, 0x48, 0x8, 0x61d, 0xc120, 0xe367, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x42, 0x1f, 0xe3}}]}}]}}, 0x0)
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x68, 0x0, 0x17, 0x2000, &(0x7f0000ffd000/0x2000)=nil}) (async, rerun: 64)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x15) (async, rerun: 64)

program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xf, 0x4008031, 0xffffffffffffffff, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='maps\x00')
syz_usb_connect(0x0, 0x24, &(0x7f00000001c0)={{0x12, 0x1, 0x0, 0xfe, 0xec, 0x48, 0x8, 0x61d, 0xc120, 0xe367, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x42, 0x1f, 0xe3}}]}}]}}, 0x0)
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, 0x0) (async, rerun: 64)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x15) (async, rerun: 64)

program did not crash
testing program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xf, 0x4008031, 0xffffffffffffffff, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='maps\x00')
syz_usb_connect(0x0, 0x24, &(0x7f00000001c0)={{0x12, 0x1, 0x0, 0xfe, 0xec, 0x48, 0x8, 0x61d, 0xc120, 0xe367, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x42, 0x1f, 0xe3}}]}}]}}, 0x0)
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x68, 0x0, 0x17, 0x2000, &(0x7f0000ffd000/0x2000)=nil}) (rerun: 64)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x15) (async, rerun: 64)

program did not crash
testing program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xf, 0x4008031, 0xffffffffffffffff, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='maps\x00')
syz_usb_connect(0x0, 0x24, &(0x7f00000001c0)={{0x12, 0x1, 0x0, 0xfe, 0xec, 0x48, 0x8, 0x61d, 0xc120, 0xe367, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x42, 0x1f, 0xe3}}]}}]}}, 0x0)
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x68, 0x0, 0x17, 0x2000, &(0x7f0000ffd000/0x2000)=nil}) (async)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x15) (async, rerun: 64)

program did not crash
testing program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xf, 0x4008031, 0xffffffffffffffff, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='maps\x00')
syz_usb_connect(0x0, 0x24, &(0x7f00000001c0)={{0x12, 0x1, 0x0, 0xfe, 0xec, 0x48, 0x8, 0x61d, 0xc120, 0xe367, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x42, 0x1f, 0xe3}}]}}]}}, 0x0)
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x68, 0x0, 0x17, 0x2000, &(0x7f0000ffd000/0x2000)=nil}) (async, rerun: 64)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x15) (rerun: 64)

program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xf, 0x4008031, 0xffffffffffffffff, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='maps\x00')
syz_usb_connect(0x0, 0x24, &(0x7f00000001c0)={{0x12, 0x1, 0x0, 0xfe, 0xec, 0x48, 0x8, 0x61d, 0xc120, 0xe367, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x42, 0x1f, 0xe3}}]}}]}}, 0x0)
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x68, 0x0, 0x17, 0x2000, &(0x7f0000ffd000/0x2000)=nil}) (async, rerun: 64)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600000, 0x15)

program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
extracting C reproducer
testing compiled C program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
simplifying C reproducer
testing compiled C program (duration=1m17.674288072s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
program did not crash
testing compiled C program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:namespace 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
program did not crash
testing compiled C program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing compiled C program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
program did not crash
testing compiled C program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing compiled C program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing compiled C program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing compiled C program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing compiled C program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing compiled C program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing compiled C program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing compiled C program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing compiled C program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing compiled C program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
program did not crash
testing compiled C program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing compiled C program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
program crashed: BUG: unable to handle kernel NULL pointer dereference in filemap_read_folio
testing compiled C program (duration=1m17.674288072s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_open_procfs-syz_usb_connect-ioctl$KVM_SET_USER_MEMORY_REGION-madvise
program did not crash
reproducing took 1h22m3.233880678s
repro crashed as (corrupted=false):
BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 0 P4D 0 
Oops: Oops: 0010 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 6001 Comm: syz-executor416 Not tainted 6.14.0-syzkaller-12966-ga2cc6ff5ec8f #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc9000442f8b8 EFLAGS: 00010293
RAX: ffffffff81fe6e8a RBX: 0000000000000000 RCX: ffff88802e853c00
RDX: 0000000000000000 RSI: ffffea0001adac00 RDI: ffff88802997a540
RBP: ffffc9000442f980 R08: ffffffff81fe6e4e R09: 1ffffd400035b580
R10: dffffc0000000000 R11: 0000000000000000 R12: 1ffffd400035b580
R13: ffffea0001adac00 R14: ffffc9000442f900 R15: 1ffffd400035b581
FS:  00007f04287f16c0(0000) GS:ffff888125099000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000007f328000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 filemap_read_folio+0x14a/0x3b0 mm/filemap.c:2400
 do_read_cache_folio+0x373/0x5b0 mm/filemap.c:3884
 freader_get_folio+0x54d/0x880 lib/buildid.c:77
 freader_fetch+0x9d/0x5b0 lib/buildid.c:120
 __build_id_parse+0x185/0x8e0 lib/buildid.c:305
 do_procmap_query fs/proc/task_mmu.c:534 [inline]
 procfs_procmap_ioctl+0xcf6/0x1670 fs/proc/task_mmu.c:613
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:892
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f04288453c9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1d 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f04287f1198 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000032 RCX: 00007f04288453c9
RDX: 0000200000000180 RSI: 00000000c0686611 RDI: 0000000000000003
RBP: 00007f04288c63c8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000180
R13: 00007f04288c63c0 R14: 00007f0428892380 R15: 0000200000000000
 </TASK>
Modules linked in:
CR2: 0000000000000000
---[ end trace 0000000000000000 ]---
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc9000442f8b8 EFLAGS: 00010293
RAX: ffffffff81fe6e8a RBX: 0000000000000000 RCX: ffff88802e853c00
RDX: 0000000000000000 RSI: ffffea0001adac00 RDI: ffff88802997a540
RBP: ffffc9000442f980 R08: ffffffff81fe6e4e R09: 1ffffd400035b580
R10: dffffc0000000000 R11: 0000000000000000 R12: 1ffffd400035b580
R13: ffffea0001adac00 R14: ffffc9000442f900 R15: 1ffffd400035b581
FS:  00007f04287f16c0(0000) GS:ffff888125099000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000007f328000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

final repro crashed as (corrupted=false):
BUG: kernel NULL pointer dereference, address: 0000000000000000
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 0 P4D 0 
Oops: Oops: 0010 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 6001 Comm: syz-executor416 Not tainted 6.14.0-syzkaller-12966-ga2cc6ff5ec8f #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc9000442f8b8 EFLAGS: 00010293
RAX: ffffffff81fe6e8a RBX: 0000000000000000 RCX: ffff88802e853c00
RDX: 0000000000000000 RSI: ffffea0001adac00 RDI: ffff88802997a540
RBP: ffffc9000442f980 R08: ffffffff81fe6e4e R09: 1ffffd400035b580
R10: dffffc0000000000 R11: 0000000000000000 R12: 1ffffd400035b580
R13: ffffea0001adac00 R14: ffffc9000442f900 R15: 1ffffd400035b581
FS:  00007f04287f16c0(0000) GS:ffff888125099000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000007f328000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 filemap_read_folio+0x14a/0x3b0 mm/filemap.c:2400
 do_read_cache_folio+0x373/0x5b0 mm/filemap.c:3884
 freader_get_folio+0x54d/0x880 lib/buildid.c:77
 freader_fetch+0x9d/0x5b0 lib/buildid.c:120
 __build_id_parse+0x185/0x8e0 lib/buildid.c:305
 do_procmap_query fs/proc/task_mmu.c:534 [inline]
 procfs_procmap_ioctl+0xcf6/0x1670 fs/proc/task_mmu.c:613
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:906 [inline]
 __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:892
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f04288453c9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1d 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f04287f1198 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000032 RCX: 00007f04288453c9
RDX: 0000200000000180 RSI: 00000000c0686611 RDI: 0000000000000003
RBP: 00007f04288c63c8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000000180
R13: 00007f04288c63c0 R14: 00007f0428892380 R15: 0000200000000000
 </TASK>
Modules linked in:
CR2: 0000000000000000
---[ end trace 0000000000000000 ]---
RIP: 0010:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 0018:ffffc9000442f8b8 EFLAGS: 00010293
RAX: ffffffff81fe6e8a RBX: 0000000000000000 RCX: ffff88802e853c00
RDX: 0000000000000000 RSI: ffffea0001adac00 RDI: ffff88802997a540
RBP: ffffc9000442f980 R08: ffffffff81fe6e4e R09: 1ffffd400035b580
R10: dffffc0000000000 R11: 0000000000000000 R12: 1ffffd400035b580
R13: ffffea0001adac00 R14: ffffc9000442f900 R15: 1ffffd400035b581
FS:  00007f04287f16c0(0000) GS:ffff888125099000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffffffffffd6 CR3: 000000007f328000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400