Extracting prog: 5m50.993971798s
Minimizing prog: 2h13m18.852867385s
Simplifying prog options: 8m1.468783418s
Extracting C: 39.994345187s
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$ext4-openat-pwrite64-vmsplice-creat-mount-openat-open-pwritev2-creat
detailed listing:
executing program 0:
r0 = syz_mount_image$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)
openat(0xffffffffffffff9c, 0x0, 0xa4c42, 0x108)
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$ext4-openat-pwrite64-vmsplice-creat-mount-openat-open-pwritev2-creat
detailed listing:
executing program 0:
r0 = syz_mount_image$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)
openat(0xffffffffffffff9c, 0x0, 0xa4c42, 0x108)
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: use-after-free Read in ext4_ext_remove_space
single: successfully extracted reproducer
found reproducer with 10 syscalls
minimizing guilty program
testing program (duration=6m50.621466943s, {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$ext4-openat-pwrite64-vmsplice-creat-mount-openat-open-pwritev2
detailed listing:
executing program 0:
r0 = syz_mount_image$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)
openat(0xffffffffffffff9c, 0x0, 0xa4c42, 0x108)
r2 = open(&(0x7f00000005c0)='./bus\x00', 0x64842, 0x49)
pwritev2(r2, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)

program did not crash
testing program (duration=6m50.621466943s, {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$ext4-openat-pwrite64-vmsplice-creat-mount-openat-open-creat
detailed listing:
executing program 0:
r0 = syz_mount_image$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)
openat(0xffffffffffffff9c, 0x0, 0xa4c42, 0x108)
open(&(0x7f00000005c0)='./bus\x00', 0x64842, 0x49)
creat(&(0x7f0000000100)='./file1\x00', 0x100)

program did not crash
testing program (duration=6m50.621466943s, {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$ext4-openat-pwrite64-vmsplice-creat-mount-openat-pwritev2-creat
detailed listing:
executing program 0:
r0 = syz_mount_image$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)
openat(0xffffffffffffff9c, 0x0, 0xa4c42, 0x108)
pwritev2(0xffffffffffffffff, &(0x7f0000000240)=[{&(0x7f0000000000)="85", 0x78c00}], 0x1, 0x7a00, 0x0, 0x3)
creat(&(0x7f0000000100)='./file1\x00', 0x100)

program did not crash
testing program (duration=6m50.621466943s, {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
testing program (duration=6m50.621466943s, {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)="$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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)
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=6m50.621466943s, {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=6m50.621466943s, {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}, &(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
testing program (duration=6m50.621466943s, {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=6m50.621466943s, {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)="$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")
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=6m50.621466943s, {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=6m50.621466943s, {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=6m50.621466943s, {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=6m50.621466943s, {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=6m50.621466943s, {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=6m50.621466943s, {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=6m50.621466943s, {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}, 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=6m50.621466943s, {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=6m50.621466943s, {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=6m50.621466943s, {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=6m50.621466943s, {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=6m50.621466943s, {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=6m50.621466943s, {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$ext4-openat-pwrite64-creat-mount-open-pwritev2-creat
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=6m50.621466943s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$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 did not crash
testing program (duration=6m50.621466943s, {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: slab-out-of-bounds Read in ext4_ext_remove_space
extracting C reproducer
testing compiled C program (duration=6m50.621466943s, {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$ext4-openat-pwrite64-creat-mount-open-pwritev2-creat
program did not crash
testing program (duration=6m50.621466943s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$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: slab-out-of-bounds Read in ext4_ext_remove_space
validation run: crashed=true
testing program (duration=6m50.621466943s, {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
validation run: crashed=true
testing program (duration=6m50.621466943s, {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
validation run: crashed=true
reproducing took 2h38m15.668979859s
repro crashed as (corrupted=false):
loop0: detected capacity change from 0 to 512
EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback.
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 ffff88812d29469c by task syz.0.582/2107

CPU: 0 PID: 2107 Comm: syz.0.582 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Call Trace:
 <TASK>
 __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: 0033:0x7f632f59ce59
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:00007f6330451028 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f632f815fa0 RCX: 00007f632f59ce59
RDX: 0000000000000000 RSI: 0000000000000100 RDI: 0000200000000100
RBP: 00007f632f632d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f632f816038 R14: 00007f632f815fa0 R15: 00007ffdd0a802f8
 </TASK>

The buggy address belongs to the physical page:
page:ffffea0004b4a500 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x12d294
flags: 0x4000000000000000(zone=1)
raw: 4000000000000000 dead000000000100 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102dc2(GFP_HIGHUSER|__GFP_NOWARN|__GFP_ZERO), pid 350, tgid 350 (syz-executor), ts 56705567605, free_ts 56829653424
 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
 vm_area_alloc_pages mm/vmalloc.c:-1 [inline]
 __vmalloc_area_node mm/vmalloc.c:3084 [inline]
 __vmalloc_node_range+0x8bf/0x1430 mm/vmalloc.c:3256
 vmalloc_user+0x73/0x80 mm/vmalloc.c:3410
 kcov_ioctl+0x57/0x620 kernel/kcov.c:713
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl+0x12f/0x1b0 fs/ioctl.c:856
 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:856
 x64_sys_call+0x58b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:17
 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
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+0x95/0x540 mm/page_alloc.c:3718
 free_the_page mm/page_alloc.c:863 [inline]
 __free_pages+0x67/0x100 mm/page_alloc.c:6019
 __vunmap+0x9c0/0xb80 mm/vmalloc.c:2739
 __vfree mm/vmalloc.c:2788 [inline]
 vfree+0x61/0x90 mm/vmalloc.c:2819
 kcov_put kernel/kcov.c:437 [inline]
 kcov_close+0x2b/0x50 kernel/kcov.c:533
 __fput+0x1fc/0x8f0 fs/file_table.c:320
 ____fput+0x15/0x20 fs/file_table.c:348
 task_work_run+0x1e1/0x250 kernel/task_work.c:203
 exit_task_work include/linux/task_work.h:39 [inline]
 do_exit+0xa35/0x2660 kernel/exit.c:886
 do_group_exit+0x225/0x2e0 kernel/exit.c:1029
 get_signal+0x13b5/0x1520 kernel/signal.c:2891
 arch_do_signal_or_restart+0xd1/0x1140 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x7a/0xb0 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303

Memory state around the buggy address:
 ffff88812d294580: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88812d294600: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff88812d294680: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                            ^
 ffff88812d294700: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88812d294780: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================

final repro crashed as (corrupted=false):
loop0: detected capacity change from 0 to 512
EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback.
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 ffff88812d29469c by task syz.0.582/2107

CPU: 0 PID: 2107 Comm: syz.0.582 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Call Trace:
 <TASK>
 __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: 0033:0x7f632f59ce59
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:00007f6330451028 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f632f815fa0 RCX: 00007f632f59ce59
RDX: 0000000000000000 RSI: 0000000000000100 RDI: 0000200000000100
RBP: 00007f632f632d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f632f816038 R14: 00007f632f815fa0 R15: 00007ffdd0a802f8
 </TASK>

The buggy address belongs to the physical page:
page:ffffea0004b4a500 refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x12d294
flags: 0x4000000000000000(zone=1)
raw: 4000000000000000 dead000000000100 dead000000000122 0000000000000000
raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as freed
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x102dc2(GFP_HIGHUSER|__GFP_NOWARN|__GFP_ZERO), pid 350, tgid 350 (syz-executor), ts 56705567605, free_ts 56829653424
 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
 vm_area_alloc_pages mm/vmalloc.c:-1 [inline]
 __vmalloc_area_node mm/vmalloc.c:3084 [inline]
 __vmalloc_node_range+0x8bf/0x1430 mm/vmalloc.c:3256
 vmalloc_user+0x73/0x80 mm/vmalloc.c:3410
 kcov_ioctl+0x57/0x620 kernel/kcov.c:713
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl+0x12f/0x1b0 fs/ioctl.c:856
 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:856
 x64_sys_call+0x58b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:17
 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
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+0x95/0x540 mm/page_alloc.c:3718
 free_the_page mm/page_alloc.c:863 [inline]
 __free_pages+0x67/0x100 mm/page_alloc.c:6019
 __vunmap+0x9c0/0xb80 mm/vmalloc.c:2739
 __vfree mm/vmalloc.c:2788 [inline]
 vfree+0x61/0x90 mm/vmalloc.c:2819
 kcov_put kernel/kcov.c:437 [inline]
 kcov_close+0x2b/0x50 kernel/kcov.c:533
 __fput+0x1fc/0x8f0 fs/file_table.c:320
 ____fput+0x15/0x20 fs/file_table.c:348
 task_work_run+0x1e1/0x250 kernel/task_work.c:203
 exit_task_work include/linux/task_work.h:39 [inline]
 do_exit+0xa35/0x2660 kernel/exit.c:886
 do_group_exit+0x225/0x2e0 kernel/exit.c:1029
 get_signal+0x13b5/0x1520 kernel/signal.c:2891
 arch_do_signal_or_restart+0xd1/0x1140 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x7a/0xb0 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303

Memory state around the buggy address:
 ffff88812d294580: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88812d294600: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
>ffff88812d294680: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
                            ^
 ffff88812d294700: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
 ffff88812d294780: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
==================================================================