Extracting prog: 5m22.413217031s
Minimizing prog: 1h58m44.083514857s
Simplifying prog options: 1m41.886381006s
Extracting C: 5m9.546076496s
Simplifying C: 0s
extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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}}): syz_mount_image$ext4-openat-pwrite64-vmsplice-creat-mount-open-pwritev2-creat
detailed listing:
executing program 0:
r0 = syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x0, &(0x7f0000000200), 0x1, 0x4bc, &(0x7f0000000a40)="$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")
r1 = openat(0xffffffffffffff9c, &(0x7f0000000740)='./file1\x00', 0x183042, 0x15)
pwrite64(r1, &(0x7f0000000140)='2', 0xfdef, 0xe7c)
vmsplice(r0, 0x0, 0x0, 0xc)
creat(&(0x7f0000000100)='./bus\x00', 0x44)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x301400, 0x0)
r2 = open(&(0x7f00000005c0)='./bus\x00', 0x64842, 0x49)
pwritev2(r2, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)
creat(&(0x7f0000000100)='./file1\x00', 0x100)
program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-pwrite64-vmsplice-creat-mount-open-pwritev2-creat
detailed listing:
executing program 0:
r0 = syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x0, &(0x7f0000000200), 0x1, 0x4bc, &(0x7f0000000a40)="$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")
r1 = openat(0xffffffffffffff9c, &(0x7f0000000740)='./file1\x00', 0x183042, 0x15)
pwrite64(r1, &(0x7f0000000140)='2', 0xfdef, 0xe7c)
vmsplice(r0, 0x0, 0x0, 0xc)
creat(&(0x7f0000000100)='./bus\x00', 0x44)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x301400, 0x0)
r2 = open(&(0x7f00000005c0)='./bus\x00', 0x64842, 0x49)
pwritev2(r2, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)
creat(&(0x7f0000000100)='./file1\x00', 0x100)
program crashed: KASAN: slab-out-of-bounds Read in ext4_ext_remove_space
single: successfully extracted reproducer
found reproducer with 9 syscalls
minimizing guilty program
testing program (duration=6m0s, {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: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}}): syz_mount_image$ext4-openat-pwrite64-vmsplice-creat-mount-open-pwritev2
detailed listing:
executing program 0:
r0 = syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x0, &(0x7f0000000200), 0x1, 0x4bc, &(0x7f0000000a40)="$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")
r1 = openat(0xffffffffffffff9c, &(0x7f0000000740)='./file1\x00', 0x183042, 0x15)
pwrite64(r1, &(0x7f0000000140)='2', 0xfdef, 0xe7c)
vmsplice(r0, 0x0, 0x0, 0xc)
creat(&(0x7f0000000100)='./bus\x00', 0x44)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x301400, 0x0)
r2 = open(&(0x7f00000005c0)='./bus\x00', 0x64842, 0x49)
pwritev2(r2, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-pwrite64-vmsplice-creat-mount-open-creat
detailed listing:
executing program 0:
r0 = syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x0, &(0x7f0000000200), 0x1, 0x4bc, &(0x7f0000000a40)="$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")
r1 = openat(0xffffffffffffff9c, &(0x7f0000000740)='./file1\x00', 0x183042, 0x15)
pwrite64(r1, &(0x7f0000000140)='2', 0xfdef, 0xe7c)
vmsplice(r0, 0x0, 0x0, 0xc)
creat(&(0x7f0000000100)='./bus\x00', 0x44)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x301400, 0x0)
open(&(0x7f00000005c0)='./bus\x00', 0x64842, 0x49)
creat(&(0x7f0000000100)='./file1\x00', 0x100)
program did not crash
testing program (duration=6m0s, {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: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}}): syz_mount_image$ext4-openat-pwrite64-vmsplice-creat-mount-pwritev2-creat
detailed listing:
executing program 0:
r0 = syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x0, &(0x7f0000000200), 0x1, 0x4bc, &(0x7f0000000a40)="$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")
r1 = openat(0xffffffffffffff9c, &(0x7f0000000740)='./file1\x00', 0x183042, 0x15)
pwrite64(r1, &(0x7f0000000140)='2', 0xfdef, 0xe7c)
vmsplice(r0, 0x0, 0x0, 0xc)
creat(&(0x7f0000000100)='./bus\x00', 0x44)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x301400, 0x0)
pwritev2(0xffffffffffffffff, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)
creat(&(0x7f0000000100)='./file1\x00', 0x100)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-pwrite64-vmsplice-creat-open-pwritev2-creat
detailed listing:
executing program 0:
r0 = syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x0, &(0x7f0000000200), 0x1, 0x4bc, &(0x7f0000000a40)="$eJzs3ctvW1UaAPDPdpMmaWb6mNGo7UjTSh2p81DjPDRqMjObWc3MotJoKrEBqYTEDSVOHMVOaaIuUth1wQKBQEIs2PMXsKErKiTEGvaIBSqCEiRAQjK613abOHGwII1p7u8n3ebch/2dU+s7Ovf4Xt8AMuts8k8uYjgiPoyIo43VrQecbfzZuH9zJllyUa9f/iKXHpestw5tve5IRKxHxEBE/P/fEc/ktsetrq7NT5fLpeXmerG2sFSsrq5duLYwPVeaKy2OTV6cmpocnRif2rO23n7puduX3vlv/9vfvHjv7svvvZtUa7i5b3M79lKj6X1xfNO2QxHxz0cRrAcKzfYM9roi/CTJ5/ebiDiX5v/RKKSfJpAF9Xq9/n39cKfd63XgwMqnY+BcfiQiGuV8fmSkMYb/bQzly5Vq7a9XKyuLs42x8rHoy1+9Vi6NNs8VjkVfLlkfS8sP18fb1ici0jHwK4XBdH1kplKe3d+uDmhzpC3/vy408h/ICKf8kF3yH7JL/kN2yX/ILvkP2SX/IbvkP2SX/Ifskv+QXfIfskv+Qyb979KlZKm37n+fvb66Ml+5fmG2VJ0fWViZGZmpLC+NzFUqc+k9Ows/9n7lSmVp7G+xcqNYK1Vrxerq2pWFyspi7Up6X/+VUt++tAroxvEzdz7ORcT63wfTJdHf3CdX4WCr13PR63uQgd4o9LoDAnrG1B9kl3N8oP0netvHBQOdXrj0cL4QeLzke10BoGfOn/L9H2SV+X/ILvP/kF3G+MAOj+jbYrf5f+DxZP4fsmu4w/O/frXp2V2jEfHriPio0He49awv4CDIf5Zrjv/PH/3jcPve/ty36VcE/RHx/BuXX7sxXastjyXbv3ywvfZ6c/v4phd2PGEAeqWVp608BgCya+P+zZnWsp9xP/9X4yKE7fEPNecmB9LvKIc2cluuVcjt0bUL67ci4uRO8XPN5503TmSGNgrb4p9o/s013iKt76H0uen7E//Upvh/2BT/9M/+X4FsuJP0P6M75V8+zel4kH9b+5/hPbp2onP/l3/Q/xU69H9nuozx7JsvfNox/q2I0zvGb8UbSGO1x0/qdr7L+PeeeuJ3nfbV32q8z07xW5JSsbawVKyurl1If0durrQ4NnlxampydGJ8qpjOURdbM9Xb/ePkB3d3a/9Qh/i7tT/Z9ucu2//d799/8uwu8f90bufP/8Qu8Qcj4i9dxv9q/JOnO+1L4s92aH9+l/jJtoku41df/c/hLg8FAPZBdXVtfrpcLi0rKCj0pHDrl1GNtkKveybgUauuJqfmSdL3uiYAAAAAAAAAAABAt/bjcuJetxEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA4CD4IQAA//9HcdTQ")
r1 = openat(0xffffffffffffff9c, &(0x7f0000000740)='./file1\x00', 0x183042, 0x15)
pwrite64(r1, &(0x7f0000000140)='2', 0xfdef, 0xe7c)
vmsplice(r0, 0x0, 0x0, 0xc)
creat(&(0x7f0000000100)='./bus\x00', 0x44)
r2 = open(&(0x7f00000005c0)='./bus\x00', 0x64842, 0x49)
pwritev2(r2, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)
creat(&(0x7f0000000100)='./file1\x00', 0x100)
program did not crash
testing program (duration=6m0s, {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: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}}): syz_mount_image$ext4-openat-pwrite64-vmsplice-mount-open-pwritev2-creat
detailed listing:
executing program 0:
r0 = syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x0, &(0x7f0000000200), 0x1, 0x4bc, &(0x7f0000000a40)="$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")
r1 = openat(0xffffffffffffff9c, &(0x7f0000000740)='./file1\x00', 0x183042, 0x15)
pwrite64(r1, &(0x7f0000000140)='2', 0xfdef, 0xe7c)
vmsplice(r0, 0x0, 0x0, 0xc)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x301400, 0x0)
r2 = open(&(0x7f00000005c0)='./bus\x00', 0x64842, 0x49)
pwritev2(r2, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)
creat(&(0x7f0000000100)='./file1\x00', 0x100)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-pwrite64-creat-mount-open-pwritev2-creat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x0, &(0x7f0000000200), 0x1, 0x4bc, &(0x7f0000000a40)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000740)='./file1\x00', 0x183042, 0x15)
pwrite64(r0, &(0x7f0000000140)='2', 0xfdef, 0xe7c)
creat(&(0x7f0000000100)='./bus\x00', 0x44)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x301400, 0x0)
r1 = open(&(0x7f00000005c0)='./bus\x00', 0x64842, 0x49)
pwritev2(r1, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)
creat(&(0x7f0000000100)='./file1\x00', 0x100)
program crashed: KASAN: slab-out-of-bounds Read in ext4_ext_remove_space
testing program (duration=6m0s, {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: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}}): syz_mount_image$ext4-openat-creat-mount-open-pwritev2-creat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x0, &(0x7f0000000200), 0x1, 0x4bc, &(0x7f0000000a40)="$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")
openat(0xffffffffffffff9c, &(0x7f0000000740)='./file1\x00', 0x183042, 0x15)
creat(&(0x7f0000000100)='./bus\x00', 0x44)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x301400, 0x0)
r0 = open(&(0x7f00000005c0)='./bus\x00', 0x64842, 0x49)
pwritev2(r0, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)
creat(&(0x7f0000000100)='./file1\x00', 0x100)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-pwrite64-creat-mount-open-pwritev2-creat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x0, &(0x7f0000000200), 0x1, 0x4bc, &(0x7f0000000a40)="$eJzs3ctvW1UaAPDPdpMmaWb6mNGo7UjTSh2p81DjPDRqMjObWc3MotJoKrEBqYTEDSVOHMVOaaIuUth1wQKBQEIs2PMXsKErKiTEGvaIBSqCEiRAQjK613abOHGwII1p7u8n3ebch/2dU+s7Ovf4Xt8AMuts8k8uYjgiPoyIo43VrQecbfzZuH9zJllyUa9f/iKXHpestw5tve5IRKxHxEBE/P/fEc/ktsetrq7NT5fLpeXmerG2sFSsrq5duLYwPVeaKy2OTV6cmpocnRif2rO23n7puduX3vlv/9vfvHjv7svvvZtUa7i5b3M79lKj6X1xfNO2QxHxz0cRrAcKzfYM9roi/CTJ5/ebiDiX5v/RKKSfJpAF9Xq9/n39cKfd63XgwMqnY+BcfiQiGuV8fmSkMYb/bQzly5Vq7a9XKyuLs42x8rHoy1+9Vi6NNs8VjkVfLlkfS8sP18fb1ici0jHwK4XBdH1kplKe3d+uDmhzpC3/vy408h/ICKf8kF3yH7JL/kN2yX/ILvkP2SX/IbvkP2SX/Ifskv+QXfIfskv+Qyb979KlZKm37n+fvb66Ml+5fmG2VJ0fWViZGZmpLC+NzFUqc+k9Ows/9n7lSmVp7G+xcqNYK1Vrxerq2pWFyspi7Up6X/+VUt++tAroxvEzdz7ORcT63wfTJdHf3CdX4WCr13PR63uQgd4o9LoDAnrG1B9kl3N8oP0netvHBQOdXrj0cL4QeLzke10BoGfOn/L9H2SV+X/ILvP/kF3G+MAOj+jbYrf5f+DxZP4fsmu4w/O/frXp2V2jEfHriPio0He49awv4CDIf5Zrjv/PH/3jcPve/ty36VcE/RHx/BuXX7sxXastjyXbv3ywvfZ6c/v4phd2PGEAeqWVp608BgCya+P+zZnWsp9xP/9X4yKE7fEPNecmB9LvKIc2cluuVcjt0bUL67ci4uRO8XPN5503TmSGNgrb4p9o/s013iKt76H0uen7E//Upvh/2BT/9M/+X4FsuJP0P6M75V8+zel4kH9b+5/hPbp2onP/l3/Q/xU69H9nuozx7JsvfNox/q2I0zvGb8UbSGO1x0/qdr7L+PeeeuJ3nfbV32q8z07xW5JSsbawVKyurl1If0durrQ4NnlxampydGJ8qpjOURdbM9Xb/ePkB3d3a/9Qh/i7tT/Z9ucu2//d799/8uwu8f90bufP/8Qu8Qcj4i9dxv9q/JOnO+1L4s92aH9+l/jJtoku41df/c/hLg8FAPZBdXVtfrpcLi0rKCj0pHDrl1GNtkKveybgUauuJqfmSdL3uiYAAAAAAAAAAABAt/bjcuJetxEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA4CD4IQAA//9HcdTQ")
pwrite64(0xffffffffffffffff, &(0x7f0000000140)='2', 0xfdef, 0xe7c)
creat(&(0x7f0000000100)='./bus\x00', 0x44)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x301400, 0x0)
r0 = open(&(0x7f00000005c0)='./bus\x00', 0x64842, 0x49)
pwritev2(r0, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)
creat(&(0x7f0000000100)='./file1\x00', 0x100)
program did not crash
testing program (duration=6m0s, {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: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}}): openat-pwrite64-creat-mount-open-pwritev2-creat
detailed listing:
executing program 0:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000740)='./file1\x00', 0x183042, 0x15)
pwrite64(r0, &(0x7f0000000140)='2', 0xfdef, 0xe7c)
creat(&(0x7f0000000100)='./bus\x00', 0x44)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x301400, 0x0)
r1 = open(&(0x7f00000005c0)='./bus\x00', 0x64842, 0x49)
pwritev2(r1, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)
creat(&(0x7f0000000100)='./file1\x00', 0x100)
program did not crash
testing program (duration=6m0s, {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: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}}): syz_mount_image$ext4-openat-pwrite64-creat-mount-open-pwritev2-creat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x0, &(0x7f0000000200), 0x1, 0x4bc, &(0x7f0000000a40)="$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")
r0 = openat(0xffffffffffffff9c, 0x0, 0x183042, 0x15)
pwrite64(r0, &(0x7f0000000140)='2', 0xfdef, 0xe7c)
creat(&(0x7f0000000100)='./bus\x00', 0x44)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x301400, 0x0)
r1 = open(&(0x7f00000005c0)='./bus\x00', 0x64842, 0x49)
pwritev2(r1, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)
creat(&(0x7f0000000100)='./file1\x00', 0x100)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-pwrite64-creat-mount-open-pwritev2-creat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x0, &(0x7f0000000200), 0x1, 0x4bc, &(0x7f0000000a40)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000740)='./file1\x00', 0x183042, 0x15)
pwrite64(r0, 0x0, 0x0, 0xe7c)
creat(&(0x7f0000000100)='./bus\x00', 0x44)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x301400, 0x0)
r1 = open(&(0x7f00000005c0)='./bus\x00', 0x64842, 0x49)
pwritev2(r1, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)
creat(&(0x7f0000000100)='./file1\x00', 0x100)
program did not crash
testing program (duration=6m0s, {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: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}}): syz_mount_image$ext4-openat-pwrite64-creat-mount-open-pwritev2-creat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x0, &(0x7f0000000200), 0x1, 0x4bc, &(0x7f0000000a40)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000740)='./file1\x00', 0x183042, 0x15)
pwrite64(r0, &(0x7f0000000140), 0x0, 0xe7c)
creat(&(0x7f0000000100)='./bus\x00', 0x44)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x301400, 0x0)
r1 = open(&(0x7f00000005c0)='./bus\x00', 0x64842, 0x49)
pwritev2(r1, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)
creat(&(0x7f0000000100)='./file1\x00', 0x100)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-pwrite64-creat-mount-open-pwritev2-creat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x0, &(0x7f0000000200), 0x1, 0x4bc, &(0x7f0000000a40)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000740)='./file1\x00', 0x183042, 0x15)
pwrite64(r0, &(0x7f0000000140)='2', 0xfdef, 0xe7c)
creat(0x0, 0x44)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x301400, 0x0)
r1 = open(&(0x7f00000005c0)='./bus\x00', 0x64842, 0x49)
pwritev2(r1, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)
creat(&(0x7f0000000100)='./file1\x00', 0x100)
program did not crash
testing program (duration=6m0s, {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: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}}): syz_mount_image$ext4-openat-pwrite64-creat-mount-open-pwritev2-creat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x0, &(0x7f0000000200), 0x1, 0x4bc, &(0x7f0000000a40)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000740)='./file1\x00', 0x183042, 0x15)
pwrite64(r0, &(0x7f0000000140)='2', 0xfdef, 0xe7c)
creat(&(0x7f0000000100)='./bus\x00', 0x44)
mount(0x0, &(0x7f0000000140)='./bus\x00', 0x0, 0x301400, 0x0)
r1 = open(&(0x7f00000005c0)='./bus\x00', 0x64842, 0x49)
pwritev2(r1, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)
creat(&(0x7f0000000100)='./file1\x00', 0x100)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-pwrite64-creat-mount-open-pwritev2-creat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x0, &(0x7f0000000200), 0x1, 0x4bc, &(0x7f0000000a40)="$eJzs3ctvW1UaAPDPdpMmaWb6mNGo7UjTSh2p81DjPDRqMjObWc3MotJoKrEBqYTEDSVOHMVOaaIuUth1wQKBQEIs2PMXsKErKiTEGvaIBSqCEiRAQjK613abOHGwII1p7u8n3ebch/2dU+s7Ovf4Xt8AMuts8k8uYjgiPoyIo43VrQecbfzZuH9zJllyUa9f/iKXHpestw5tve5IRKxHxEBE/P/fEc/ktsetrq7NT5fLpeXmerG2sFSsrq5duLYwPVeaKy2OTV6cmpocnRif2rO23n7puduX3vlv/9vfvHjv7svvvZtUa7i5b3M79lKj6X1xfNO2QxHxz0cRrAcKzfYM9roi/CTJ5/ebiDiX5v/RKKSfJpAF9Xq9/n39cKfd63XgwMqnY+BcfiQiGuV8fmSkMYb/bQzly5Vq7a9XKyuLs42x8rHoy1+9Vi6NNs8VjkVfLlkfS8sP18fb1ici0jHwK4XBdH1kplKe3d+uDmhzpC3/vy408h/ICKf8kF3yH7JL/kN2yX/ILvkP2SX/IbvkP2SX/Ifskv+QXfIfskv+Qyb979KlZKm37n+fvb66Ml+5fmG2VJ0fWViZGZmpLC+NzFUqc+k9Ows/9n7lSmVp7G+xcqNYK1Vrxerq2pWFyspi7Up6X/+VUt++tAroxvEzdz7ORcT63wfTJdHf3CdX4WCr13PR63uQgd4o9LoDAnrG1B9kl3N8oP0netvHBQOdXrj0cL4QeLzke10BoGfOn/L9H2SV+X/ILvP/kF3G+MAOj+jbYrf5f+DxZP4fsmu4w/O/frXp2V2jEfHriPio0He49awv4CDIf5Zrjv/PH/3jcPve/ty36VcE/RHx/BuXX7sxXastjyXbv3ywvfZ6c/v4phd2PGEAeqWVp608BgCya+P+zZnWsp9xP/9X4yKE7fEPNecmB9LvKIc2cluuVcjt0bUL67ci4uRO8XPN5503TmSGNgrb4p9o/s013iKt76H0uen7E//Upvh/2BT/9M/+X4FsuJP0P6M75V8+zel4kH9b+5/hPbp2onP/l3/Q/xU69H9nuozx7JsvfNox/q2I0zvGb8UbSGO1x0/qdr7L+PeeeuJ3nfbV32q8z07xW5JSsbawVKyurl1If0durrQ4NnlxampydGJ8qpjOURdbM9Xb/ePkB3d3a/9Qh/i7tT/Z9ucu2//d799/8uwu8f90bufP/8Qu8Qcj4i9dxv9q/JOnO+1L4s92aH9+l/jJtoku41df/c/hLg8FAPZBdXVtfrpcLi0rKCj0pHDrl1GNtkKveybgUauuJqfmSdL3uiYAAAAAAAAAAABAt/bjcuJetxEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA4CD4IQAA//9HcdTQ")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000740)='./file1\x00', 0x183042, 0x15)
pwrite64(r0, &(0x7f0000000140)='2', 0xfdef, 0xe7c)
creat(&(0x7f0000000100)='./bus\x00', 0x44)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, 0x0, 0x0, 0x301400, 0x0)
r1 = open(&(0x7f00000005c0)='./bus\x00', 0x64842, 0x49)
pwritev2(r1, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)
creat(&(0x7f0000000100)='./file1\x00', 0x100)
program did not crash
testing program (duration=6m0s, {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: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}}): syz_mount_image$ext4-openat-pwrite64-creat-mount-open-pwritev2-creat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x0, &(0x7f0000000200), 0x1, 0x4bc, &(0x7f0000000a40)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000740)='./file1\x00', 0x183042, 0x15)
pwrite64(r0, &(0x7f0000000140)='2', 0xfdef, 0xe7c)
creat(&(0x7f0000000100)='./bus\x00', 0x44)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x301400, 0x0)
r1 = open(0x0, 0x64842, 0x49)
pwritev2(r1, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)
creat(&(0x7f0000000100)='./file1\x00', 0x100)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-pwrite64-creat-mount-open-pwritev2-creat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x0, &(0x7f0000000200), 0x1, 0x4bc, &(0x7f0000000a40)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000740)='./file1\x00', 0x183042, 0x15)
pwrite64(r0, &(0x7f0000000140)='2', 0xfdef, 0xe7c)
creat(&(0x7f0000000100)='./bus\x00', 0x44)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x301400, 0x0)
r1 = open(&(0x7f00000005c0)='./bus\x00', 0x64842, 0x49)
pwritev2(r1, 0x0, 0x0, 0x7a00, 0x0, 0x3)
creat(&(0x7f0000000100)='./file1\x00', 0x100)
program did not crash
testing program (duration=6m0s, {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: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}}): syz_mount_image$ext4-openat-pwrite64-creat-mount-open-pwritev2-creat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x0, &(0x7f0000000200), 0x1, 0x4bc, &(0x7f0000000a40)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000740)='./file1\x00', 0x183042, 0x15)
pwrite64(r0, &(0x7f0000000140)='2', 0xfdef, 0xe7c)
creat(&(0x7f0000000100)='./bus\x00', 0x44)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x301400, 0x0)
r1 = open(&(0x7f00000005c0)='./bus\x00', 0x64842, 0x49)
pwritev2(r1, &(0x7f0000000240)=[{0x0}], 0x1, 0x7a00, 0x0, 0x3)
creat(&(0x7f0000000100)='./file1\x00', 0x100)
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-pwrite64-creat-mount-open-pwritev2-creat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x0, &(0x7f0000000200), 0x1, 0x4bc, &(0x7f0000000a40)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000740)='./file1\x00', 0x183042, 0x15)
pwrite64(r0, &(0x7f0000000140)='2', 0xfdef, 0xe7c)
creat(&(0x7f0000000100)='./bus\x00', 0x44)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x301400, 0x0)
r1 = open(&(0x7f00000005c0)='./bus\x00', 0x64842, 0x49)
pwritev2(r1, &(0x7f0000000240)=[{}], 0x1, 0x7a00, 0x0, 0x3)
creat(&(0x7f0000000100)='./file1\x00', 0x100)
program did not crash
testing program (duration=6m0s, {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: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}}): syz_mount_image$ext4-openat-pwrite64-creat-mount-open-pwritev2-creat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x0, &(0x7f0000000200), 0x1, 0x4bc, &(0x7f0000000a40)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000740)='./file1\x00', 0x183042, 0x15)
pwrite64(r0, &(0x7f0000000140)='2', 0xfdef, 0xe7c)
creat(&(0x7f0000000100)='./bus\x00', 0x44)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x301400, 0x0)
r1 = open(&(0x7f00000005c0)='./bus\x00', 0x64842, 0x49)
pwritev2(r1, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)
creat(0x0, 0x100)
program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-pwrite64-creat-mount-open-pwritev2-creat
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=6m0s, {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: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}}): syz_mount_image$ext4-openat-pwrite64-creat-mount-open-pwritev2-creat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x0, &(0x7f0000000200), 0x1, 0x4bc, &(0x7f0000000a40)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000740)='./file1\x00', 0x183042, 0x15)
pwrite64(r0, &(0x7f0000000140)='2', 0xfdef, 0xe7c)
creat(&(0x7f0000000100)='./bus\x00', 0x44)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x301400, 0x0)
r1 = open(&(0x7f00000005c0)='./bus\x00', 0x64842, 0x49)
pwritev2(r1, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)
creat(&(0x7f0000000100)='./file1\x00', 0x100)
program crashed: KASAN: use-after-free Read in ext4_ext_remove_space
a never seen crash title: KASAN: use-after-free Read in ext4_ext_remove_space, ignore
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-pwrite64-creat-mount-open-pwritev2-creat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x0, &(0x7f0000000200), 0x1, 0x4bc, &(0x7f0000000a40)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000740)='./file1\x00', 0x183042, 0x15)
pwrite64(r0, &(0x7f0000000140)='2', 0xfdef, 0xe7c)
creat(&(0x7f0000000100)='./bus\x00', 0x44)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x301400, 0x0)
r1 = open(&(0x7f00000005c0)='./bus\x00', 0x64842, 0x49)
pwritev2(r1, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)
creat(&(0x7f0000000100)='./file1\x00', 0x100)
program crashed: KASAN: use-after-free Read in ext4_ext_remove_space
a never seen crash title: KASAN: use-after-free Read in ext4_ext_remove_space, ignore
testing program (duration=6m0s, {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: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}}): syz_mount_image$ext4-openat-pwrite64-creat-mount-open-pwritev2-creat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x0, &(0x7f0000000200), 0x1, 0x4bc, &(0x7f0000000a40)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000740)='./file1\x00', 0x183042, 0x15)
pwrite64(r0, &(0x7f0000000140)='2', 0xfdef, 0xe7c)
creat(&(0x7f0000000100)='./bus\x00', 0x44)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x301400, 0x0)
r1 = open(&(0x7f00000005c0)='./bus\x00', 0x64842, 0x49)
pwritev2(r1, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)
creat(&(0x7f0000000100)='./file1\x00', 0x100)
program crashed: KASAN: slab-out-of-bounds Read in ext4_ext_remove_space
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-openat-pwrite64-creat-mount-open-pwritev2-creat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x0, &(0x7f0000000200), 0x1, 0x4bc, &(0x7f0000000a40)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000740)='./file1\x00', 0x183042, 0x15)
pwrite64(r0, &(0x7f0000000140)='2', 0xfdef, 0xe7c)
creat(&(0x7f0000000100)='./bus\x00', 0x44)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x301400, 0x0)
r1 = open(&(0x7f00000005c0)='./bus\x00', 0x64842, 0x49)
pwritev2(r1, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)
creat(&(0x7f0000000100)='./file1\x00', 0x100)
program crashed: KASAN: use-after-free Read in ext4_ext_remove_space
validation run: crashed=true
testing program (duration=6m0s, {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: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}}): syz_mount_image$ext4-openat-pwrite64-creat-mount-open-pwritev2-creat
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000000)='ext4\x00', &(0x7f0000000500)='./file1\x00', 0x0, &(0x7f0000000200), 0x1, 0x4bc, &(0x7f0000000a40)="$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")
r0 = openat(0xffffffffffffff9c, &(0x7f0000000740)='./file1\x00', 0x183042, 0x15)
pwrite64(r0, &(0x7f0000000140)='2', 0xfdef, 0xe7c)
creat(&(0x7f0000000100)='./bus\x00', 0x44)
mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x301400, 0x0)
r1 = open(&(0x7f00000005c0)='./bus\x00', 0x64842, 0x49)
pwritev2(r1, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)
creat(&(0x7f0000000100)='./file1\x00', 0x100)
program crashed: KASAN: use-after-free Read in ext4_ext_remove_space
validation run: crashed=true
reproducing took 2h19m21.936670033s
repro crashed as (corrupted=false):
ext4 filesystem being mounted at /0/file1 supports timestamps until 2038-01-19 (0x7fffffff)
==================================================================
BUG: KASAN: use-after-free in ext4_ext_rm_leaf fs/ext4/extents.c:2602 [inline]
BUG: KASAN: use-after-free in ext4_ext_remove_space+0x348b/0x40d0 fs/ext4/extents.c:2940
Read of size 4 at addr ffff888134d7d69c by task syz.2.953/3338
CPU: 1 PID: 3338 Comm: syz.2.953 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Call Trace:
__dump_stack+0x21/0x24 lib/dump_stack.c:88
dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
print_address_description+0x71/0x200 mm/kasan/report.c:316
print_report+0x4a/0x60 mm/kasan/report.c:420
kasan_report+0x122/0x150 mm/kasan/report.c:524
__asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:350
ext4_ext_rm_leaf fs/ext4/extents.c:2602 [inline]
ext4_ext_remove_space+0x348b/0x40d0 fs/ext4/extents.c:2940
ext4_ext_truncate+0x200/0x320 fs/ext4/extents.c:4476
ext4_truncate+0x9be/0xfb0 fs/ext4/inode.c:4304
ext4_setattr+0x1249/0x1bb0 fs/ext4/inode.c:5670
notify_change+0xcc3/0xf80 fs/attr.c:499
do_truncate+0x1ac/0x240 fs/open.c:66
handle_truncate fs/namei.c:3292 [inline]
do_open fs/namei.c:3637 [inline]
path_openat+0x28f0/0x2f80 fs/namei.c:3790
do_filp_open+0x1f1/0x430 fs/namei.c:3817
do_sys_openat2+0x15e/0x810 fs/open.c:1343
do_sys_open fs/open.c:1359 [inline]
__do_sys_creat fs/open.c:1437 [inline]
__se_sys_creat fs/open.c:1431 [inline]
__x64_sys_creat+0x8e/0xb0 fs/open.c:1431
x64_sys_call+0x116/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:86
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f394ab9ce59
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:00007f394bad3028 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f394ae15fa0 RCX: 00007f394ab9ce59
RDX: 0000000000000000 RSI: 0000000000000100 RDI: 0000200000000100
RBP: 00007f394ac32d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f394ae16038 R14: 00007f394ae15fa0 R15: 00007ffc914d2a08
The buggy address belongs to the physical page:
page:ffffea0004d35f40 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x134d7d
flags: 0x4000000000000000(zone=1)
raw: 4000000000000000 dead000000000100 dead000000000122 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x8140dca(GFP_HIGHUSER_MOVABLE|__GFP_COMP|__GFP_ZERO|__GFP_CMA), pid 297, tgid 294 (syz-execprog), ts 156577690010, free_ts 279064651711
set_page_owner include/linux/page_owner.h:33 [inline]
post_alloc_hook+0x1f5/0x210 mm/page_alloc.c:2672
prep_new_page+0x1c/0x110 mm/page_alloc.c:2679
get_page_from_freelist+0x2d12/0x2d80 mm/page_alloc.c:4585
__alloc_pages+0x1fa/0x610 mm/page_alloc.c:5929
__folio_alloc+0x12/0x40 mm/page_alloc.c:5962
__folio_alloc_node include/linux/gfp.h:245 [inline]
folio_alloc include/linux/gfp.h:274 [inline]
alloc_page_vma include/linux/gfp.h:283 [inline]
do_anonymous_page mm/memory.c:4286 [inline]
handle_pte_fault mm/memory.c:5181 [inline]
__handle_mm_fault mm/memory.c:5325 [inline]
handle_mm_fault+0x1972/0x26c0 mm/memory.c:5465
do_user_addr_fault+0x905/0x1050 arch/x86/mm/fault.c:1321
handle_page_fault arch/x86/mm/fault.c:1464 [inline]
exc_page_fault+0x51/0xb0 arch/x86/mm/fault.c:1517
asm_exc_page_fault+0x27/0x30 arch/x86/include/asm/idtentry.h:608
page last free stack trace:
reset_page_owner include/linux/page_owner.h:26 [inline]
free_pages_prepare mm/page_alloc.c:1580 [inline]
free_pcp_prepare mm/page_alloc.c:1654 [inline]
free_unref_page_prepare+0x7f8/0x800 mm/page_alloc.c:3620
free_unref_page_list+0x117/0x8c0 mm/page_alloc.c:3771
release_pages+0xc93/0xcf0 mm/swap.c:1053
free_pages_and_swap_cache+0x86/0xa0 mm/swap_state.c:316
tlb_batch_pages_flush mm/mmu_gather.c:59 [inline]
tlb_flush_mmu_free mm/mmu_gather.c:254 [inline]
tlb_flush_mmu mm/mmu_gather.c:261 [inline]
tlb_finish_mmu+0x1aa/0x370 mm/mmu_gather.c:361
zap_page_range_single+0x47d/0x520 mm/memory.c:1824
madvise_dontneed_single_vma mm/madvise.c:842 [inline]
madvise_dontneed_free mm/madvise.c:944 [inline]
madvise_vma_behavior mm/madvise.c:1083 [inline]
madvise_walk_vmas mm/madvise.c:1308 [inline]
do_madvise+0x17fb/0x3290 mm/madvise.c:1487
__do_sys_madvise mm/madvise.c:1500 [inline]
__se_sys_madvise mm/madvise.c:1498 [inline]
__x64_sys_madvise+0xa9/0xc0 mm/madvise.c:1498
x64_sys_call+0x99e/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:29
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
Memory state around the buggy address:
ffff888134d7d580: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ffff888134d7d600: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff888134d7d680: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
^
ffff888134d7d700: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ffff888134d7d780: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
EXT4-fs error (device loop2): ext4_free_blocks:6220: comm syz.2.953: Freeing blocks not in datazone - block = 72241349923500, count = 14912
EXT4-fs error (device loop2): ext4_free_blocks:6220: comm syz.2.953: Freeing blocks not in datazone - block = 0, count = 4780
EXT4-fs error (device loop2): ext4_free_blocks:6220: comm syz.2.953: Freeing blocks not in datazone - block = 0, count = 0
final repro crashed as (corrupted=false):
ext4 filesystem being mounted at /0/file1 supports timestamps until 2038-01-19 (0x7fffffff)
==================================================================
BUG: KASAN: use-after-free in ext4_ext_rm_leaf fs/ext4/extents.c:2602 [inline]
BUG: KASAN: use-after-free in ext4_ext_remove_space+0x348b/0x40d0 fs/ext4/extents.c:2940
Read of size 4 at addr ffff888134d7d69c by task syz.2.953/3338
CPU: 1 PID: 3338 Comm: syz.2.953 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Call Trace:
__dump_stack+0x21/0x24 lib/dump_stack.c:88
dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
print_address_description+0x71/0x200 mm/kasan/report.c:316
print_report+0x4a/0x60 mm/kasan/report.c:420
kasan_report+0x122/0x150 mm/kasan/report.c:524
__asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:350
ext4_ext_rm_leaf fs/ext4/extents.c:2602 [inline]
ext4_ext_remove_space+0x348b/0x40d0 fs/ext4/extents.c:2940
ext4_ext_truncate+0x200/0x320 fs/ext4/extents.c:4476
ext4_truncate+0x9be/0xfb0 fs/ext4/inode.c:4304
ext4_setattr+0x1249/0x1bb0 fs/ext4/inode.c:5670
notify_change+0xcc3/0xf80 fs/attr.c:499
do_truncate+0x1ac/0x240 fs/open.c:66
handle_truncate fs/namei.c:3292 [inline]
do_open fs/namei.c:3637 [inline]
path_openat+0x28f0/0x2f80 fs/namei.c:3790
do_filp_open+0x1f1/0x430 fs/namei.c:3817
do_sys_openat2+0x15e/0x810 fs/open.c:1343
do_sys_open fs/open.c:1359 [inline]
__do_sys_creat fs/open.c:1437 [inline]
__se_sys_creat fs/open.c:1431 [inline]
__x64_sys_creat+0x8e/0xb0 fs/open.c:1431
x64_sys_call+0x116/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:86
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f394ab9ce59
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:00007f394bad3028 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f394ae15fa0 RCX: 00007f394ab9ce59
RDX: 0000000000000000 RSI: 0000000000000100 RDI: 0000200000000100
RBP: 00007f394ac32d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f394ae16038 R14: 00007f394ae15fa0 R15: 00007ffc914d2a08
The buggy address belongs to the physical page:
page:ffffea0004d35f40 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x134d7d
flags: 0x4000000000000000(zone=1)
raw: 4000000000000000 dead000000000100 dead000000000122 0000000000000000
raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Movable, gfp_mask 0x8140dca(GFP_HIGHUSER_MOVABLE|__GFP_COMP|__GFP_ZERO|__GFP_CMA), pid 297, tgid 294 (syz-execprog), ts 156577690010, free_ts 279064651711
set_page_owner include/linux/page_owner.h:33 [inline]
post_alloc_hook+0x1f5/0x210 mm/page_alloc.c:2672
prep_new_page+0x1c/0x110 mm/page_alloc.c:2679
get_page_from_freelist+0x2d12/0x2d80 mm/page_alloc.c:4585
__alloc_pages+0x1fa/0x610 mm/page_alloc.c:5929
__folio_alloc+0x12/0x40 mm/page_alloc.c:5962
__folio_alloc_node include/linux/gfp.h:245 [inline]
folio_alloc include/linux/gfp.h:274 [inline]
alloc_page_vma include/linux/gfp.h:283 [inline]
do_anonymous_page mm/memory.c:4286 [inline]
handle_pte_fault mm/memory.c:5181 [inline]
__handle_mm_fault mm/memory.c:5325 [inline]
handle_mm_fault+0x1972/0x26c0 mm/memory.c:5465
do_user_addr_fault+0x905/0x1050 arch/x86/mm/fault.c:1321
handle_page_fault arch/x86/mm/fault.c:1464 [inline]
exc_page_fault+0x51/0xb0 arch/x86/mm/fault.c:1517
asm_exc_page_fault+0x27/0x30 arch/x86/include/asm/idtentry.h:608
page last free stack trace:
reset_page_owner include/linux/page_owner.h:26 [inline]
free_pages_prepare mm/page_alloc.c:1580 [inline]
free_pcp_prepare mm/page_alloc.c:1654 [inline]
free_unref_page_prepare+0x7f8/0x800 mm/page_alloc.c:3620
free_unref_page_list+0x117/0x8c0 mm/page_alloc.c:3771
release_pages+0xc93/0xcf0 mm/swap.c:1053
free_pages_and_swap_cache+0x86/0xa0 mm/swap_state.c:316
tlb_batch_pages_flush mm/mmu_gather.c:59 [inline]
tlb_flush_mmu_free mm/mmu_gather.c:254 [inline]
tlb_flush_mmu mm/mmu_gather.c:261 [inline]
tlb_finish_mmu+0x1aa/0x370 mm/mmu_gather.c:361
zap_page_range_single+0x47d/0x520 mm/memory.c:1824
madvise_dontneed_single_vma mm/madvise.c:842 [inline]
madvise_dontneed_free mm/madvise.c:944 [inline]
madvise_vma_behavior mm/madvise.c:1083 [inline]
madvise_walk_vmas mm/madvise.c:1308 [inline]
do_madvise+0x17fb/0x3290 mm/madvise.c:1487
__do_sys_madvise mm/madvise.c:1500 [inline]
__se_sys_madvise mm/madvise.c:1498 [inline]
__x64_sys_madvise+0xa9/0xc0 mm/madvise.c:1498
x64_sys_call+0x99e/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:29
do_syscall_x64 arch/x86/entry/common.c:46 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
entry_SYSCALL_64_after_hwframe+0x68/0xd2
Memory state around the buggy address:
ffff888134d7d580: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ffff888134d7d600: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff888134d7d680: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
^
ffff888134d7d700: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ffff888134d7d780: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================
EXT4-fs error (device loop2): ext4_free_blocks:6220: comm syz.2.953: Freeing blocks not in datazone - block = 72241349923500, count = 14912
EXT4-fs error (device loop2): ext4_free_blocks:6220: comm syz.2.953: Freeing blocks not in datazone - block = 0, count = 4780
EXT4-fs error (device loop2): ext4_free_blocks:6220: comm syz.2.953: Freeing blocks not in datazone - block = 0, count = 0