Extracting prog: 1m42.116044406s
Minimizing prog: 7m7.166496358s
Simplifying prog options: 0s
Extracting C: 31.377947443s
Simplifying C: 5m33.542438017s
extracting reproducer from 52 programs
first checking the prog from the crash report
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$IORING_OFF_SQ_RING-mmap-syz_io_uring_setup-syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION
detailed listing:
executing program 0:
mmap$IORING_OFF_SQ_RING(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x8031, 0xffffffffffffffff, 0x0)
syz_io_uring_setup(0x4175, &(0x7f0000000180)={0x0, 0x136f, 0x10000, 0x2, 0x2d0}, 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='maps\x00')
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x68, 0x0, 0x17, 0x2000, &(0x7f0000ffd000/0x2000)=nil})
program crashed: BUG: unable to handle kernel paging request in filemap_read_folio
single: successfully extracted reproducer
found reproducer with 5 syscalls
minimizing guilty program
testing program (duration=33.552496326s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$IORING_OFF_SQ_RING-mmap-syz_io_uring_setup-syz_open_procfs
detailed listing:
executing program 0:
mmap$IORING_OFF_SQ_RING(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x8031, 0xffffffffffffffff, 0x0)
syz_io_uring_setup(0x4175, &(0x7f0000000180)={0x0, 0x136f, 0x10000, 0x2, 0x2d0}, 0x0, 0x0)
syz_open_procfs(0x0, &(0x7f00000001c0)='maps\x00')
program did not crash
testing program (duration=33.552496326s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$IORING_OFF_SQ_RING-mmap-syz_io_uring_setup-ioctl$KVM_SET_USER_MEMORY_REGION
detailed listing:
executing program 0:
mmap$IORING_OFF_SQ_RING(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x8031, 0xffffffffffffffff, 0x0)
syz_io_uring_setup(0x4175, &(0x7f0000000180)={0x0, 0x136f, 0x10000, 0x2, 0x2d0}, 0x0, 0x0)
ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0xc0686611, &(0x7f0000000180)={0x68, 0x0, 0x17, 0x2000, &(0x7f0000ffd000/0x2000)=nil})
program did not crash
testing program (duration=33.552496326s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$IORING_OFF_SQ_RING-mmap-syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION
detailed listing:
executing program 0:
mmap$IORING_OFF_SQ_RING(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x8031, 0xffffffffffffffff, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='maps\x00')
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x68, 0x0, 0x17, 0x2000, &(0x7f0000ffd000/0x2000)=nil})
program did not crash
testing program (duration=33.552496326s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$IORING_OFF_SQ_RING-syz_io_uring_setup-syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION
detailed listing:
executing program 0:
mmap$IORING_OFF_SQ_RING(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0)
syz_io_uring_setup(0x4175, &(0x7f0000000180)={0x0, 0x136f, 0x10000, 0x2, 0x2d0}, 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='maps\x00')
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x68, 0x0, 0x17, 0x2000, &(0x7f0000ffd000/0x2000)=nil})
program did not crash
testing program (duration=33.552496326s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap-syz_io_uring_setup-syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION
detailed listing:
executing program 0:
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x8031, 0xffffffffffffffff, 0x0)
syz_io_uring_setup(0x4175, &(0x7f0000000180)={0x0, 0x136f, 0x10000, 0x2, 0x2d0}, 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='maps\x00')
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x68, 0x0, 0x17, 0x2000, &(0x7f0000ffd000/0x2000)=nil})
program did not crash
testing program (duration=33.552496326s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$IORING_OFF_SQ_RING-mmap-syz_io_uring_setup-syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION
detailed listing:
executing program 0:
mmap$IORING_OFF_SQ_RING(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x8031, 0xffffffffffffffff, 0x0)
syz_io_uring_setup(0x4175, 0x0, 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='maps\x00')
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x68, 0x0, 0x17, 0x2000, &(0x7f0000ffd000/0x2000)=nil})
program did not crash
testing program (duration=33.552496326s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$IORING_OFF_SQ_RING-mmap-syz_io_uring_setup-syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION
detailed listing:
executing program 0:
mmap$IORING_OFF_SQ_RING(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x8031, 0xffffffffffffffff, 0x0)
syz_io_uring_setup(0x4175, &(0x7f0000000180)={0x0, 0x136f, 0x10000, 0x2, 0x2d0}, 0x0, 0x0)
r0 = syz_open_procfs(0x0, 0x0)
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x68, 0x0, 0x17, 0x2000, &(0x7f0000ffd000/0x2000)=nil})
program did not crash
testing program (duration=33.552496326s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$IORING_OFF_SQ_RING-mmap-syz_io_uring_setup-syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION
detailed listing:
executing program 0:
mmap$IORING_OFF_SQ_RING(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x8031, 0xffffffffffffffff, 0x0)
syz_io_uring_setup(0x4175, &(0x7f0000000180)={0x0, 0x136f, 0x10000, 0x2, 0x2d0}, 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='maps\x00')
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, 0x0)
program did not crash
extracting C reproducer
testing compiled C program (duration=33.552496326s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$IORING_OFF_SQ_RING-mmap-syz_io_uring_setup-syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION
program crashed: BUG: unable to handle kernel paging request in filemap_read_folio
simplifying C reproducer
testing compiled C program (duration=33.552496326s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$IORING_OFF_SQ_RING-mmap-syz_io_uring_setup-syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION
program crashed: BUG: unable to handle kernel paging request in filemap_read_folio
testing compiled C program (duration=33.552496326s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$IORING_OFF_SQ_RING-mmap-syz_io_uring_setup-syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION
program crashed: BUG: unable to handle kernel paging request in filemap_read_folio
testing compiled C program (duration=33.552496326s, {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}}): mmap$IORING_OFF_SQ_RING-mmap-syz_io_uring_setup-syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION
program crashed: BUG: unable to handle kernel paging request in filemap_read_folio
testing compiled C program (duration=33.552496326s, {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}}): mmap$IORING_OFF_SQ_RING-mmap-syz_io_uring_setup-syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION
program crashed: BUG: unable to handle kernel paging request in filemap_read_folio
testing compiled C program (duration=33.552496326s, {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}}): mmap$IORING_OFF_SQ_RING-mmap-syz_io_uring_setup-syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION
program did not crash
testing compiled C program (duration=33.552496326s, {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:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$IORING_OFF_SQ_RING-mmap-syz_io_uring_setup-syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION
program crashed: BUG: unable to handle kernel paging request in filemap_read_folio
testing program (duration=33.552496326s, {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:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$IORING_OFF_SQ_RING-mmap-syz_io_uring_setup-syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION
detailed listing:
executing program 0:
mmap$IORING_OFF_SQ_RING(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x8031, 0xffffffffffffffff, 0x0)
syz_io_uring_setup(0x4175, &(0x7f0000000180)={0x0, 0x136f, 0x10000, 0x2, 0x2d0}, 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='maps\x00')
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x68, 0x0, 0x17, 0x2000, &(0x7f0000ffd000/0x2000)=nil})
program crashed: BUG: unable to handle kernel paging request in filemap_read_folio
validation run: crashed=true
testing program (duration=33.552496326s, {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:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$IORING_OFF_SQ_RING-mmap-syz_io_uring_setup-syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION
detailed listing:
executing program 0:
mmap$IORING_OFF_SQ_RING(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x8031, 0xffffffffffffffff, 0x0)
syz_io_uring_setup(0x4175, &(0x7f0000000180)={0x0, 0x136f, 0x10000, 0x2, 0x2d0}, 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='maps\x00')
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x68, 0x0, 0x17, 0x2000, &(0x7f0000ffd000/0x2000)=nil})
program crashed: BUG: unable to handle kernel paging request in filemap_read_folio
validation run: crashed=true
testing program (duration=33.552496326s, {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:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$IORING_OFF_SQ_RING-mmap-syz_io_uring_setup-syz_open_procfs-ioctl$KVM_SET_USER_MEMORY_REGION
detailed listing:
executing program 0:
mmap$IORING_OFF_SQ_RING(&(0x7f0000400000/0xc00000)=nil, 0xc00000, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x8031, 0xffffffffffffffff, 0x0)
syz_io_uring_setup(0x4175, &(0x7f0000000180)={0x0, 0x136f, 0x10000, 0x2, 0x2d0}, 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f00000001c0)='maps\x00')
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0xc0686611, &(0x7f0000000180)={0x68, 0x0, 0x17, 0x2000, &(0x7f0000ffd000/0x2000)=nil})
program crashed: BUG: unable to handle kernel paging request in filemap_read_folio
validation run: crashed=true
reproducing took 17m3.674964294s
repro crashed as (corrupted=false):
BUG: unable to handle page fault for address: fffffffffffffff1
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 74ac067 P4D 74ac067 PUD 74ae067 PMD 0
Oops: Oops: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 382 Comm: syz.2.17 Not tainted syzkaller #0 fe4377b9fb1dd84776adf13d0641004acb4d0da4
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
RIP: 0010:filemap_read_folio+0xec/0x2e0 mm/filemap.c:2475
Code: 00 00 00 00 49 81 e5 00 02 00 00 0f 85 8a 01 00 00 e8 58 2b c8 ff 4d 89 fd 4c 89 ff 4c 89 f6 4c 8b 5c 24 18 41 ba df d9 92 ab <45> 03 53 f1 74 02 0f 0b 2e e8 1e d6 40 1e 41 89 c7 31 ff 44 89 fe
RSP: 0018:ffffc9000100f920 EFLAGS: 00010293
RAX: ffffffff81bf71b8 RBX: 1ffffd4000955a38 RCX: ffff888116562600
RDX: 0000000000000000 RSI: ffffea0004aad1c0 RDI: ffff8881136feb40
RBP: ffffc9000100f9e0 R08: ffffea0004aad1c7 R09: 1ffffd4000955a38
R10: 00000000ab92d9df R11: 0000000000000000 R12: 1ffff92000201f28
R13: ffff8881136feb40 R14: ffffea0004aad1c0 R15: ffff8881136feb40
FS: 00005555597ed500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffff1 CR3: 00000001087b2000 CR4: 00000000003526b0
Call Trace:
do_read_cache_folio+0x2b4/0x4c0 mm/filemap.c:4054
read_cache_folio+0x54/0x90 mm/filemap.c:4086
freader_get_folio+0x471/0x700 lib/buildid.c:77
freader_fetch+0xa4/0x590 lib/buildid.c:120
__build_id_parse+0x167/0x7f0 lib/buildid.c:305
build_id_parse+0x2e/0x40 lib/buildid.c:359
do_procmap_query fs/proc/task_mmu.c:695 [inline]
procfs_procmap_ioctl+0x872/0xdc0 fs/proc/task_mmu.c:774
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0x132/0x1b0 fs/ioctl.c:893
__x64_sys_ioctl+0x7f/0xa0 fs/ioctl.c:893
x64_sys_call+0x1878/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:17
do_syscall_x64 arch/x86/entry/common.c:47 [inline]
do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f74bdd9aeb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffefd6eecc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f74be015fa0 RCX: 00007f74bdd9aeb9
RDX: 0000200000000180 RSI: 00000000c0686611 RDI: 0000000000000004
RBP: 00007f74bde08c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f74be015fac R14: 00007f74be015fa0 R15: 00007f74be015fa0
Modules linked in:
CR2: fffffffffffffff1
---[ end trace 0000000000000000 ]---
RIP: 0010:filemap_read_folio+0xec/0x2e0 mm/filemap.c:2475
Code: 00 00 00 00 49 81 e5 00 02 00 00 0f 85 8a 01 00 00 e8 58 2b c8 ff 4d 89 fd 4c 89 ff 4c 89 f6 4c 8b 5c 24 18 41 ba df d9 92 ab <45> 03 53 f1 74 02 0f 0b 2e e8 1e d6 40 1e 41 89 c7 31 ff 44 89 fe
RSP: 0018:ffffc9000100f920 EFLAGS: 00010293
RAX: ffffffff81bf71b8 RBX: 1ffffd4000955a38 RCX: ffff888116562600
RDX: 0000000000000000 RSI: ffffea0004aad1c0 RDI: ffff8881136feb40
RBP: ffffc9000100f9e0 R08: ffffea0004aad1c7 R09: 1ffffd4000955a38
R10: 00000000ab92d9df R11: 0000000000000000 R12: 1ffff92000201f28
R13: ffff8881136feb40 R14: ffffea0004aad1c0 R15: ffff8881136feb40
FS: 00005555597ed500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffff1 CR3: 00000001087b2000 CR4: 00000000003526b0
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 00 00 add %al,(%rax)
4: 49 81 e5 00 02 00 00 and $0x200,%r13
b: 0f 85 8a 01 00 00 jne 0x19b
11: e8 58 2b c8 ff call 0xffc82b6e
16: 4d 89 fd mov %r15,%r13
19: 4c 89 ff mov %r15,%rdi
1c: 4c 89 f6 mov %r14,%rsi
1f: 4c 8b 5c 24 18 mov 0x18(%rsp),%r11
24: 41 ba df d9 92 ab mov $0xab92d9df,%r10d
* 2a: 45 03 53 f1 add -0xf(%r11),%r10d <-- trapping instruction
2e: 74 02 je 0x32
30: 0f 0b ud2
32: 2e e8 1e d6 40 1e cs call 0x1e40d656
38: 41 89 c7 mov %eax,%r15d
3b: 31 ff xor %edi,%edi
3d: 44 89 fe mov %r15d,%esi
final repro crashed as (corrupted=false):
BUG: unable to handle page fault for address: fffffffffffffff1
#PF: supervisor read access in kernel mode
#PF: error_code(0x0000) - not-present page
PGD 74ac067 P4D 74ac067 PUD 74ae067 PMD 0
Oops: Oops: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 0 UID: 0 PID: 382 Comm: syz.2.17 Not tainted syzkaller #0 fe4377b9fb1dd84776adf13d0641004acb4d0da4
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026
RIP: 0010:filemap_read_folio+0xec/0x2e0 mm/filemap.c:2475
Code: 00 00 00 00 49 81 e5 00 02 00 00 0f 85 8a 01 00 00 e8 58 2b c8 ff 4d 89 fd 4c 89 ff 4c 89 f6 4c 8b 5c 24 18 41 ba df d9 92 ab <45> 03 53 f1 74 02 0f 0b 2e e8 1e d6 40 1e 41 89 c7 31 ff 44 89 fe
RSP: 0018:ffffc9000100f920 EFLAGS: 00010293
RAX: ffffffff81bf71b8 RBX: 1ffffd4000955a38 RCX: ffff888116562600
RDX: 0000000000000000 RSI: ffffea0004aad1c0 RDI: ffff8881136feb40
RBP: ffffc9000100f9e0 R08: ffffea0004aad1c7 R09: 1ffffd4000955a38
R10: 00000000ab92d9df R11: 0000000000000000 R12: 1ffff92000201f28
R13: ffff8881136feb40 R14: ffffea0004aad1c0 R15: ffff8881136feb40
FS: 00005555597ed500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffff1 CR3: 00000001087b2000 CR4: 00000000003526b0
Call Trace:
do_read_cache_folio+0x2b4/0x4c0 mm/filemap.c:4054
read_cache_folio+0x54/0x90 mm/filemap.c:4086
freader_get_folio+0x471/0x700 lib/buildid.c:77
freader_fetch+0xa4/0x590 lib/buildid.c:120
__build_id_parse+0x167/0x7f0 lib/buildid.c:305
build_id_parse+0x2e/0x40 lib/buildid.c:359
do_procmap_query fs/proc/task_mmu.c:695 [inline]
procfs_procmap_ioctl+0x872/0xdc0 fs/proc/task_mmu.c:774
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:907 [inline]
__se_sys_ioctl+0x132/0x1b0 fs/ioctl.c:893
__x64_sys_ioctl+0x7f/0xa0 fs/ioctl.c:893
x64_sys_call+0x1878/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:17
do_syscall_x64 arch/x86/entry/common.c:47 [inline]
do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f74bdd9aeb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffefd6eecc8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f74be015fa0 RCX: 00007f74bdd9aeb9
RDX: 0000200000000180 RSI: 00000000c0686611 RDI: 0000000000000004
RBP: 00007f74bde08c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f74be015fac R14: 00007f74be015fa0 R15: 00007f74be015fa0
Modules linked in:
CR2: fffffffffffffff1
---[ end trace 0000000000000000 ]---
RIP: 0010:filemap_read_folio+0xec/0x2e0 mm/filemap.c:2475
Code: 00 00 00 00 49 81 e5 00 02 00 00 0f 85 8a 01 00 00 e8 58 2b c8 ff 4d 89 fd 4c 89 ff 4c 89 f6 4c 8b 5c 24 18 41 ba df d9 92 ab <45> 03 53 f1 74 02 0f 0b 2e e8 1e d6 40 1e 41 89 c7 31 ff 44 89 fe
RSP: 0018:ffffc9000100f920 EFLAGS: 00010293
RAX: ffffffff81bf71b8 RBX: 1ffffd4000955a38 RCX: ffff888116562600
RDX: 0000000000000000 RSI: ffffea0004aad1c0 RDI: ffff8881136feb40
RBP: ffffc9000100f9e0 R08: ffffea0004aad1c7 R09: 1ffffd4000955a38
R10: 00000000ab92d9df R11: 0000000000000000 R12: 1ffff92000201f28
R13: ffff8881136feb40 R14: ffffea0004aad1c0 R15: ffff8881136feb40
FS: 00005555597ed500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: fffffffffffffff1 CR3: 00000001087b2000 CR4: 00000000003526b0
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 00 00 add %al,(%rax)
4: 49 81 e5 00 02 00 00 and $0x200,%r13
b: 0f 85 8a 01 00 00 jne 0x19b
11: e8 58 2b c8 ff call 0xffc82b6e
16: 4d 89 fd mov %r15,%r13
19: 4c 89 ff mov %r15,%rdi
1c: 4c 89 f6 mov %r14,%rsi
1f: 4c 8b 5c 24 18 mov 0x18(%rsp),%r11
24: 41 ba df d9 92 ab mov $0xab92d9df,%r10d
* 2a: 45 03 53 f1 add -0xf(%r11),%r10d <-- trapping instruction
2e: 74 02 je 0x32
30: 0f 0b ud2
32: 2e e8 1e d6 40 1e cs call 0x1e40d656
38: 41 89 c7 mov %eax,%r15d
3b: 31 ff xor %edi,%edi
3d: 44 89 fe mov %r15d,%esi