Extracting prog: 1m7.99768325s Minimizing prog: 6m12.538014686s Simplifying prog options: 0s Extracting C: 20.559132009s Simplifying C: 2m37.345573986s 1 programs, 3 VMs, timeouts [15s 6m0s] extracting reproducer from 1 programs single: executing 1 programs separately with timeout 15s testing program (duration=15s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-creat-mount-open-mmap-readv detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x200000, &(0x7f0000000280)={[{@noblock_validity}, {}, {@sysvgroups}, {@norecovery}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@errors_continue}, {@noauto_da_alloc}, {@nomblk_io_submit}]}, 0x3, 0x56a, &(0x7f0000000680)="$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") chdir(&(0x7f0000000000)='./file0\x00') creat(&(0x7f0000000040)='./bus\x00', 0x0) mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0) r0 = open(&(0x7f0000000080)='./bus\x00', 0x185102, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0) readv(0xffffffffffffffff, &(0x7f0000001f80)=[{0x0}, {0x0}, {0xffffffffffffffff}], 0x3) program crashed: KASAN: use-after-free Read in ext4_xattr_delete_inode single: successfully extracted reproducer found reproducer with 7 syscalls minimizing guilty program testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-creat-mount-open-mmap detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x200000, &(0x7f0000000280)={[{@noblock_validity}, {}, {@sysvgroups}, {@norecovery}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@errors_continue}, {@noauto_da_alloc}, {@nomblk_io_submit}]}, 0x3, 0x56a, &(0x7f0000000680)="$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") chdir(&(0x7f0000000000)='./file0\x00') creat(&(0x7f0000000040)='./bus\x00', 0x0) mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0) r0 = open(&(0x7f0000000080)='./bus\x00', 0x185102, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0) program did not crash testing program (duration=22.5s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-creat-mount-open-readv detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x200000, &(0x7f0000000280)={[{@noblock_validity}, {}, {@sysvgroups}, {@norecovery}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@errors_continue}, {@noauto_da_alloc}, {@nomblk_io_submit}]}, 0x3, 0x56a, &(0x7f0000000680)="$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") chdir(&(0x7f0000000000)='./file0\x00') creat(&(0x7f0000000040)='./bus\x00', 0x0) mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0) open(&(0x7f0000000080)='./bus\x00', 0x185102, 0x0) readv(0xffffffffffffffff, &(0x7f0000001f80)=[{0x0}, {0x0}, {0xffffffffffffffff}], 0x3) program did not crash testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-creat-mount-mmap-readv detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x200000, &(0x7f0000000280)={[{@noblock_validity}, {}, {@sysvgroups}, {@norecovery}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@errors_continue}, {@noauto_da_alloc}, {@nomblk_io_submit}]}, 0x3, 0x56a, &(0x7f0000000680)="$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") chdir(&(0x7f0000000000)='./file0\x00') creat(&(0x7f0000000040)='./bus\x00', 0x0) mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, 0xffffffffffffffff, 0x0) readv(0xffffffffffffffff, &(0x7f0000001f80)=[{0x0}, {0x0}, {0xffffffffffffffff}], 0x3) program did not crash testing program (duration=22.5s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-creat-open-mmap-readv detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x200000, &(0x7f0000000280)={[{@noblock_validity}, {}, {@sysvgroups}, {@norecovery}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@errors_continue}, {@noauto_da_alloc}, {@nomblk_io_submit}]}, 0x3, 0x56a, &(0x7f0000000680)="$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") chdir(&(0x7f0000000000)='./file0\x00') creat(&(0x7f0000000040)='./bus\x00', 0x0) r0 = open(&(0x7f0000000080)='./bus\x00', 0x185102, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0) readv(0xffffffffffffffff, &(0x7f0000001f80)=[{0x0}, {0x0}, {0xffffffffffffffff}], 0x3) program did not crash testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-mount-open-mmap-readv detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x200000, &(0x7f0000000280)={[{@noblock_validity}, {}, {@sysvgroups}, {@norecovery}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@errors_continue}, {@noauto_da_alloc}, {@nomblk_io_submit}]}, 0x3, 0x56a, &(0x7f0000000680)="$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") chdir(&(0x7f0000000000)='./file0\x00') mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0) r0 = open(&(0x7f0000000080)='./bus\x00', 0x185102, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0) readv(0xffffffffffffffff, &(0x7f0000001f80)=[{0x0}, {0x0}, {0xffffffffffffffff}], 0x3) program did not crash testing program (duration=22.5s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-creat-mount-open-mmap-readv detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x200000, &(0x7f0000000280)={[{@noblock_validity}, {}, {@sysvgroups}, {@norecovery}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@errors_continue}, {@noauto_da_alloc}, {@nomblk_io_submit}]}, 0x3, 0x56a, &(0x7f0000000680)="$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") creat(&(0x7f0000000040)='./bus\x00', 0x0) mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0) r0 = open(&(0x7f0000000080)='./bus\x00', 0x185102, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0) readv(0xffffffffffffffff, &(0x7f0000001f80)=[{0x0}, {0x0}, {0xffffffffffffffff}], 0x3) program did not crash testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): chdir-creat-mount-open-mmap-readv detailed listing: executing program 0: chdir(&(0x7f0000000000)='./file0\x00') creat(&(0x7f0000000040)='./bus\x00', 0x0) mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0) r0 = open(&(0x7f0000000080)='./bus\x00', 0x185102, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0) readv(0xffffffffffffffff, &(0x7f0000001f80)=[{0x0}, {0x0}, {0xffffffffffffffff}], 0x3) program did not crash testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-creat-mount-open-mmap-readv detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x200000, &(0x7f0000000280)={[{@noblock_validity}, {}, {@sysvgroups}, {@norecovery}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@errors_continue}, {@noauto_da_alloc}, {@nomblk_io_submit}]}, 0x3, 0x56a, &(0x7f0000000680)="$eJzs3c9rHFUcAPDvbJL+1qZQinqQQA9WajdN4o8KQutRtFjQe12SaSjZdEt2U5pYaHuwFy9SBBEL4h/g3WPxH/CvKGihSAl68BKZzWy7TbL5uXW3zucD0743M5s3b998335nZ5cNoLBGsn9KEa9GxDdJxOG2bYORbxxZ2W/p8Y3JbEliefmzP5NI8nWt/ZP8/4N55ZWI+PWriJOlte3WFxZnKtVqOpfXRxuzV0frC4unLs9WptPp9Mr4xMSZdybG33/v3a719c0Lf3//6f2Pznx9fOm7nx8euZvEuTiUb2vvxy7caq+MxEj+nAzFuVU7jnWhsX6S9PoA2JGBPM6HIpsDDsdAHvXA/9/NiFgGCioR/1BQrTygdW3fpevgF8ajD1cugNb2f3DlvZHY17w2OrCUPHNllF3vDneh/ayNX/64dzdbYpP3IW52oT2Allu3I+L04ODa+S/J57+dO91883hjq9so2usP9NL9LP95a738p/Qk/4l18p+D68TuTmwe/6WHXWimoyz/+2Dd/PfJ1DU8kNdeauZ8Q8mly9X0dES8HBEnYmhvVt/ofs6ZpQfLnba153/ZkrXfygXz43g4uPfZx0xVGpXd9Lndo9sRrz3Nf5NYM//va+a6q8c/ez4ubLGNY+m91ztt27z/7bqfAS//FPHGuuP/9I5WsvH9ydHm+TDaOivW+uvOsd86tb+9/ndfNv4HNu7/cNJ+v7a+/TZ+3PdP2mnbTs//PcnnzfKefN31SqMxNxaxJ/lk7frxp49t1Vv7Z/0/cXzj+W+9839/RHyxxf7fOXqn4679MP5T2xr/7RcefPzlD53a39r4v90sncjXbGX+2+oB7ua5AwAAAAAAgH5TiohDkZTKT8qlUrm88vmOo3GgVK3VGycv1eavTEXzu7LDMVRq3ek+3PZ5iLH887Ct+viq+kREHImIbwf2N+vlyVp1qtedBwAAAAAAAAAAAAAAAAAAgD5xsMP3/zO/D/T66IDnzk9+Q3FtGv/d+KUnoC95/YfiEv9QXOIfikv8Q3GJfygu8Q/FJf6huMQ/AAAAAAAAAAAAAAAAAAAAAAAAAAAAdNWF8+ezZXnp8Y3JrD51bWF+pnbt1FRanynPzk+WJ2tzV8vTtdp0NS1P1mY3+3vVWu3q2HjMXx9tpPXGaH1h8eJsbf5K4+Ll2cp0ejEd+k96BQAAAAAAAAAAAAAAAAAAAC+W+sLiTKVaTecUOhbORl8cxo4LyWajfDY/GXbUxGDvO6jwHAo9npgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAoM2/AQAA///fKTPH") chdir(0x0) creat(&(0x7f0000000040)='./bus\x00', 0x0) mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0) r0 = open(&(0x7f0000000080)='./bus\x00', 0x185102, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0) readv(0xffffffffffffffff, &(0x7f0000001f80)=[{0x0}, {0x0}, {0xffffffffffffffff}], 0x3) program did not crash testing program (duration=22.5s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-creat-mount-open-mmap-readv detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x200000, &(0x7f0000000280)={[{@noblock_validity}, {}, {@sysvgroups}, {@norecovery}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@errors_continue}, {@noauto_da_alloc}, {@nomblk_io_submit}]}, 0x3, 0x56a, &(0x7f0000000680)="$eJzs3c9rHFUcAPDvbJL+1qZQinqQQA9WajdN4o8KQutRtFjQe12SaSjZdEt2U5pYaHuwFy9SBBEL4h/g3WPxH/CvKGihSAl68BKZzWy7TbL5uXW3zucD0743M5s3b998335nZ5cNoLBGsn9KEa9GxDdJxOG2bYORbxxZ2W/p8Y3JbEliefmzP5NI8nWt/ZP8/4N55ZWI+PWriJOlte3WFxZnKtVqOpfXRxuzV0frC4unLs9WptPp9Mr4xMSZdybG33/v3a719c0Lf3//6f2Pznx9fOm7nx8euZvEuTiUb2vvxy7caq+MxEj+nAzFuVU7jnWhsX6S9PoA2JGBPM6HIpsDDsdAHvXA/9/NiFgGCioR/1BQrTygdW3fpevgF8ajD1cugNb2f3DlvZHY17w2OrCUPHNllF3vDneh/ayNX/64dzdbYpP3IW52oT2Allu3I+L04ODa+S/J57+dO91883hjq9so2usP9NL9LP95a738p/Qk/4l18p+D68TuTmwe/6WHXWimoyz/+2Dd/PfJ1DU8kNdeauZ8Q8mly9X0dES8HBEnYmhvVt/ofs6ZpQfLnba153/ZkrXfygXz43g4uPfZx0xVGpXd9Lndo9sRrz3Nf5NYM//va+a6q8c/ez4ubLGNY+m91ztt27z/7bqfAS//FPHGuuP/9I5WsvH9ydHm+TDaOivW+uvOsd86tb+9/ndfNv4HNu7/cNJ+v7a+/TZ+3PdP2mnbTs//PcnnzfKefN31SqMxNxaxJ/lk7frxp49t1Vv7Z/0/cXzj+W+9839/RHyxxf7fOXqn4679MP5T2xr/7RcefPzlD53a39r4v90sncjXbGX+2+oB7ua5AwAAAAAAgH5TiohDkZTKT8qlUrm88vmOo3GgVK3VGycv1eavTEXzu7LDMVRq3ek+3PZ5iLH887Ct+viq+kREHImIbwf2N+vlyVp1qtedBwAAAAAAAAAAAAAAAAAAgD5xsMP3/zO/D/T66IDnzk9+Q3FtGv/d+KUnoC95/YfiEv9QXOIfikv8Q3GJfygu8Q/FJf6huMQ/AAAAAAAAAAAAAAAAAAAAAAAAAAAAdNWF8+ezZXnp8Y3JrD51bWF+pnbt1FRanynPzk+WJ2tzV8vTtdp0NS1P1mY3+3vVWu3q2HjMXx9tpPXGaH1h8eJsbf5K4+Ll2cp0ejEd+k96BQAAAAAAAAAAAAAAAAAAAC+W+sLiTKVaTecUOhbORl8cxo4LyWajfDY/GXbUxGDvO6jwHAo9npgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAoM2/AQAA///fKTPH") chdir(&(0x7f0000000000)='./file0\x00') creat(0x0, 0x0) mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0) r0 = open(&(0x7f0000000080)='./bus\x00', 0x185102, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0) readv(0xffffffffffffffff, &(0x7f0000001f80)=[{0x0}, {0x0}, {0xffffffffffffffff}], 0x3) program did not crash testing program (duration=22.5s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-creat-mount-open-mmap-readv detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x200000, &(0x7f0000000280)={[{@noblock_validity}, {}, {@sysvgroups}, {@norecovery}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@errors_continue}, {@noauto_da_alloc}, {@nomblk_io_submit}]}, 0x3, 0x56a, &(0x7f0000000680)="$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") chdir(&(0x7f0000000000)='./file0\x00') creat(&(0x7f0000000040)='./bus\x00', 0x0) mount(0x0, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0) r0 = open(&(0x7f0000000080)='./bus\x00', 0x185102, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0) readv(0xffffffffffffffff, &(0x7f0000001f80)=[{0x0}, {0x0}, {0xffffffffffffffff}], 0x3) program did not crash testing program (duration=22.5s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-creat-mount-open-mmap-readv detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x200000, &(0x7f0000000280)={[{@noblock_validity}, {}, {@sysvgroups}, {@norecovery}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@errors_continue}, {@noauto_da_alloc}, {@nomblk_io_submit}]}, 0x3, 0x56a, &(0x7f0000000680)="$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") chdir(&(0x7f0000000000)='./file0\x00') creat(&(0x7f0000000040)='./bus\x00', 0x0) mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, 0x0, 0x0, 0x1000, 0x0) r0 = open(&(0x7f0000000080)='./bus\x00', 0x185102, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0) readv(0xffffffffffffffff, &(0x7f0000001f80)=[{0x0}, {0x0}, {0xffffffffffffffff}], 0x3) program did not crash testing program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-creat-mount-open-mmap-readv detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x200000, &(0x7f0000000280)={[{@noblock_validity}, {}, {@sysvgroups}, {@norecovery}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@errors_continue}, {@noauto_da_alloc}, {@nomblk_io_submit}]}, 0x3, 0x56a, &(0x7f0000000680)="$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") chdir(&(0x7f0000000000)='./file0\x00') creat(&(0x7f0000000040)='./bus\x00', 0x0) mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0) r0 = open(0x0, 0x185102, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0) readv(0xffffffffffffffff, &(0x7f0000001f80)=[{0x0}, {0x0}, {0xffffffffffffffff}], 0x3) program did not crash testing program (duration=22.5s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-creat-mount-open-mmap-readv detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f0000000140)='./file1\x00', 0x200000, &(0x7f0000000280)={[{@noblock_validity}, {}, {@sysvgroups}, {@norecovery}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@errors_continue}, {@noauto_da_alloc}, {@nomblk_io_submit}]}, 0x3, 0x56a, &(0x7f0000000680)="$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") chdir(&(0x7f0000000000)='./file0\x00') creat(&(0x7f0000000040)='./bus\x00', 0x0) mount(&(0x7f0000000380)=@loop={'/dev/loop', 0x0}, &(0x7f0000000140)='./bus\x00', 0x0, 0x1000, 0x0) r0 = open(&(0x7f0000000080)='./bus\x00', 0x185102, 0x0) mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x2, 0x28011, r0, 0x0) readv(0xffffffffffffffff, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=22.5s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-creat-mount-open-mmap-readv program crashed: KASAN: use-after-free Read in ext4_xattr_delete_inode simplifying C reproducer testing compiled C program (duration=22.5s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-creat-mount-open-mmap-readv program crashed: KASAN: use-after-free Read in ext4_xattr_delete_inode testing compiled C program (duration=22.5s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-creat-mount-open-mmap-readv program did not crash testing compiled C program (duration=22.5s, {Threaded:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-creat-mount-open-mmap-readv program crashed: KASAN: use-after-free Read in ext4_xattr_delete_inode testing compiled C program (duration=22.5s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-creat-mount-open-mmap-readv program crashed: KASAN: use-after-free Read in ext4_xattr_delete_inode testing compiled C program (duration=22.5s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-creat-mount-open-mmap-readv program did not crash testing compiled C program (duration=22.5s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-creat-mount-open-mmap-readv program crashed: KASAN: use-after-free Read in ext4_xattr_delete_inode testing compiled C program (duration=22.5s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-chdir-creat-mount-open-mmap-readv program crashed: KASAN: use-after-free Read in ext4_xattr_delete_inode reproducing took 10m18.440431531s repro crashed as (corrupted=false): ================================================================== BUG: KASAN: use-after-free in ext4_xattr_delete_inode+0xc1f/0xc30 fs/ext4/xattr.c:2911 Read of size 4 at addr ffff8881e2f95000 by task syz-executor302/355 CPU: 0 PID: 355 Comm: syz-executor302 Not tainted 5.4.276-syzkaller-00020-g4275fce9fe94 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1d8/0x241 lib/dump_stack.c:118 print_address_description+0x8c/0x600 mm/kasan/report.c:384 __kasan_report+0xf3/0x120 mm/kasan/report.c:516 kasan_report+0x30/0x60 mm/kasan/common.c:653 ext4_xattr_delete_inode+0xc1f/0xc30 fs/ext4/xattr.c:2911 ext4_evict_inode+0x1378/0x1ac0 fs/ext4/inode.c:318 evict+0x29b/0x6a0 fs/inode.c:575 d_delete_notify include/linux/fsnotify.h:224 [inline] vfs_rmdir+0x24b/0x3c0 fs/namei.c:4040 do_rmdir+0x2c1/0x580 fs/namei.c:4088 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x5c/0xc1 RIP: 0033:0x7f3c8cab0dc7 Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 54 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd0fce3b68 EFLAGS: 00000207 ORIG_RAX: 0000000000000054 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3c8cab0dc7 RDX: 0000000000008890 RSI: 0000000000000000 RDI: 00007ffd0fce4d10 RBP: 0000000000000065 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000207 R12: 00007ffd0fce4d10 R13: 0000555556c78740 R14: 431bde82d7b634db R15: 00007ffd0fce6e90 Allocated by task 308: save_stack mm/kasan/common.c:70 [inline] set_track mm/kasan/common.c:78 [inline] __kasan_kmalloc+0x171/0x210 mm/kasan/common.c:529 slab_post_alloc_hook mm/slab.h:584 [inline] slab_alloc_node mm/slub.c:2829 [inline] slab_alloc mm/slub.c:2837 [inline] kmem_cache_alloc+0xd9/0x250 mm/slub.c:2842 kmem_cache_alloc_node include/linux/slab.h:427 [inline] __alloc_skb+0x7a/0x4d0 net/core/skbuff.c:198 __napi_alloc_skb+0x141/0x580 net/core/skbuff.c:516 napi_alloc_skb include/linux/skbuff.h:2912 [inline] page_to_skb+0x39/0x930 drivers/net/virtio_net.c:412 receive_mergeable drivers/net/virtio_net.c:1001 [inline] receive_buf+0xde0/0x51c0 drivers/net/virtio_net.c:1111 virtnet_receive drivers/net/virtio_net.c:1403 [inline] virtnet_poll+0x5f3/0x1250 drivers/net/virtio_net.c:1512 napi_poll net/core/dev.c:6367 [inline] net_rx_action+0x53f/0x1160 net/core/dev.c:6435 __do_softirq+0x23b/0x6b7 kernel/softirq.c:292 Freed by task 308: save_stack mm/kasan/common.c:70 [inline] set_track mm/kasan/common.c:78 [inline] kasan_set_free_info mm/kasan/common.c:345 [inline] __kasan_slab_free+0x1b5/0x270 mm/kasan/common.c:487 slab_free_hook mm/slub.c:1455 [inline] slab_free_freelist_hook mm/slub.c:1494 [inline] slab_free mm/slub.c:3080 [inline] kmem_cache_free+0x10b/0x2c0 mm/slub.c:3096 tcp_rcv_established+0x1203/0x1a80 net/ipv4/tcp_input.c:5770 tcp_v4_do_rcv+0x3a9/0x770 net/ipv4/tcp_ipv4.c:1595 tcp_v4_rcv+0x219a/0x26f0 net/ipv4/tcp_ipv4.c:1977 ip_protocol_deliver_rcu+0x2e0/0x630 net/ipv4/ip_input.c:204 ip_local_deliver_finish net/ipv4/ip_input.c:231 [inline] NF_HOOK include/linux/netfilter.h:303 [inline] ip_local_deliver+0x2c6/0x5a0 net/ipv4/ip_input.c:252 dst_input include/net/dst.h:444 [inline] ip_sublist_rcv_finish net/ipv4/ip_input.c:541 [inline] ip_list_rcv_finish net/ipv4/ip_input.c:579 [inline] ip_sublist_rcv+0xc02/0xc80 net/ipv4/ip_input.c:587 ip_list_rcv+0x477/0x4c0 net/ipv4/ip_input.c:621 __netif_receive_skb_list_ptype net/core/dev.c:5015 [inline] __netif_receive_skb_list_core+0x6dd/0x8f0 net/core/dev.c:5063 __netif_receive_skb_list net/core/dev.c:5115 [inline] netif_receive_skb_list_internal+0x944/0xc90 net/core/dev.c:5210 gro_normal_list net/core/dev.c:5321 [inline] napi_complete_done+0x20a/0x580 net/core/dev.c:6052 virtqueue_napi_complete drivers/net/virtio_net.c:357 [inline] virtnet_poll+0xb61/0x1250 drivers/net/virtio_net.c:1516 napi_poll net/core/dev.c:6367 [inline] net_rx_action+0x53f/0x1160 net/core/dev.c:6435 __do_softirq+0x23b/0x6b7 kernel/softirq.c:292 The buggy address belongs to the object at ffff8881e2f95000 which belongs to the cache skbuff_head_cache of size 240 The buggy address is located 0 bytes inside of 240-byte region [ffff8881e2f95000, ffff8881e2f950f0) The buggy address belongs to the page: page:ffffea00078be540 refcount:1 mapcount:0 mapping:ffff8881f5e79180 index:0x0 flags: 0x8000000000000200(slab) raw: 8000000000000200 dead000000000100 dead000000000122 ffff8881f5e79180 raw: 0000000000000000 00000000000c000c 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY) set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook mm/page_alloc.c:2165 [inline] prep_new_page+0x18f/0x370 mm/page_alloc.c:2171 get_page_from_freelist+0x2d13/0x2d90 mm/page_alloc.c:3794 __alloc_pages_nodemask+0x393/0x840 mm/page_alloc.c:4893 alloc_slab_page+0x39/0x3c0 mm/slub.c:343 allocate_slab mm/slub.c:1683 [inline] new_slab+0x97/0x440 mm/slub.c:1749 new_slab_objects mm/slub.c:2505 [inline] ___slab_alloc+0x2fe/0x490 mm/slub.c:2667 __slab_alloc+0x62/0xa0 mm/slub.c:2707 slab_alloc_node mm/slub.c:2792 [inline] slab_alloc mm/slub.c:2837 [inline] kmem_cache_alloc+0x109/0x250 mm/slub.c:2842 kmem_cache_alloc_node include/linux/slab.h:427 [inline] __alloc_skb+0x7a/0x4d0 net/core/skbuff.c:198 __napi_alloc_skb+0x141/0x580 net/core/skbuff.c:516 napi_alloc_skb include/linux/skbuff.h:2912 [inline] page_to_skb+0x39/0x930 drivers/net/virtio_net.c:412 receive_mergeable drivers/net/virtio_net.c:1001 [inline] receive_buf+0xde0/0x51c0 drivers/net/virtio_net.c:1111 virtnet_receive drivers/net/virtio_net.c:1403 [inline] virtnet_poll+0x5f3/0x1250 drivers/net/virtio_net.c:1512 napi_poll net/core/dev.c:6367 [inline] net_rx_action+0x53f/0x1160 net/core/dev.c:6435 __do_softirq+0x23b/0x6b7 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x195/0x1c0 kernel/softirq.c:413 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1176 [inline] free_pcp_prepare mm/page_alloc.c:1233 [inline] free_unref_page_prepare+0x297/0x380 mm/page_alloc.c:3085 free_unref_page+0x7f/0x110 mm/page_alloc.c:3134 pipe_buf_release include/linux/pipe_fs_i.h:131 [inline] pipe_read+0x573/0xcf0 fs/pipe.c:338 call_read_iter include/linux/fs.h:1983 [inline] new_sync_read fs/read_write.c:414 [inline] __vfs_read+0x5cd/0x730 fs/read_write.c:427 vfs_read+0x148/0x360 fs/read_write.c:461 ksys_read+0x199/0x2c0 fs/read_write.c:587 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x5c/0xc1 Memory state around the buggy address: ffff8881e2f94f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff8881e2f94f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff8881e2f95000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8881e2f95080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc ffff8881e2f95100: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb ================================================================== final repro crashed as (corrupted=false): ================================================================== BUG: KASAN: use-after-free in ext4_xattr_delete_inode+0xc1f/0xc30 fs/ext4/xattr.c:2911 Read of size 4 at addr ffff8881e2f95000 by task syz-executor302/355 CPU: 0 PID: 355 Comm: syz-executor302 Not tainted 5.4.276-syzkaller-00020-g4275fce9fe94 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1d8/0x241 lib/dump_stack.c:118 print_address_description+0x8c/0x600 mm/kasan/report.c:384 __kasan_report+0xf3/0x120 mm/kasan/report.c:516 kasan_report+0x30/0x60 mm/kasan/common.c:653 ext4_xattr_delete_inode+0xc1f/0xc30 fs/ext4/xattr.c:2911 ext4_evict_inode+0x1378/0x1ac0 fs/ext4/inode.c:318 evict+0x29b/0x6a0 fs/inode.c:575 d_delete_notify include/linux/fsnotify.h:224 [inline] vfs_rmdir+0x24b/0x3c0 fs/namei.c:4040 do_rmdir+0x2c1/0x580 fs/namei.c:4088 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x5c/0xc1 RIP: 0033:0x7f3c8cab0dc7 Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 54 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd0fce3b68 EFLAGS: 00000207 ORIG_RAX: 0000000000000054 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3c8cab0dc7 RDX: 0000000000008890 RSI: 0000000000000000 RDI: 00007ffd0fce4d10 RBP: 0000000000000065 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000207 R12: 00007ffd0fce4d10 R13: 0000555556c78740 R14: 431bde82d7b634db R15: 00007ffd0fce6e90 Allocated by task 308: save_stack mm/kasan/common.c:70 [inline] set_track mm/kasan/common.c:78 [inline] __kasan_kmalloc+0x171/0x210 mm/kasan/common.c:529 slab_post_alloc_hook mm/slab.h:584 [inline] slab_alloc_node mm/slub.c:2829 [inline] slab_alloc mm/slub.c:2837 [inline] kmem_cache_alloc+0xd9/0x250 mm/slub.c:2842 kmem_cache_alloc_node include/linux/slab.h:427 [inline] __alloc_skb+0x7a/0x4d0 net/core/skbuff.c:198 __napi_alloc_skb+0x141/0x580 net/core/skbuff.c:516 napi_alloc_skb include/linux/skbuff.h:2912 [inline] page_to_skb+0x39/0x930 drivers/net/virtio_net.c:412 receive_mergeable drivers/net/virtio_net.c:1001 [inline] receive_buf+0xde0/0x51c0 drivers/net/virtio_net.c:1111 virtnet_receive drivers/net/virtio_net.c:1403 [inline] virtnet_poll+0x5f3/0x1250 drivers/net/virtio_net.c:1512 napi_poll net/core/dev.c:6367 [inline] net_rx_action+0x53f/0x1160 net/core/dev.c:6435 __do_softirq+0x23b/0x6b7 kernel/softirq.c:292 Freed by task 308: save_stack mm/kasan/common.c:70 [inline] set_track mm/kasan/common.c:78 [inline] kasan_set_free_info mm/kasan/common.c:345 [inline] __kasan_slab_free+0x1b5/0x270 mm/kasan/common.c:487 slab_free_hook mm/slub.c:1455 [inline] slab_free_freelist_hook mm/slub.c:1494 [inline] slab_free mm/slub.c:3080 [inline] kmem_cache_free+0x10b/0x2c0 mm/slub.c:3096 tcp_rcv_established+0x1203/0x1a80 net/ipv4/tcp_input.c:5770 tcp_v4_do_rcv+0x3a9/0x770 net/ipv4/tcp_ipv4.c:1595 tcp_v4_rcv+0x219a/0x26f0 net/ipv4/tcp_ipv4.c:1977 ip_protocol_deliver_rcu+0x2e0/0x630 net/ipv4/ip_input.c:204 ip_local_deliver_finish net/ipv4/ip_input.c:231 [inline] NF_HOOK include/linux/netfilter.h:303 [inline] ip_local_deliver+0x2c6/0x5a0 net/ipv4/ip_input.c:252 dst_input include/net/dst.h:444 [inline] ip_sublist_rcv_finish net/ipv4/ip_input.c:541 [inline] ip_list_rcv_finish net/ipv4/ip_input.c:579 [inline] ip_sublist_rcv+0xc02/0xc80 net/ipv4/ip_input.c:587 ip_list_rcv+0x477/0x4c0 net/ipv4/ip_input.c:621 __netif_receive_skb_list_ptype net/core/dev.c:5015 [inline] __netif_receive_skb_list_core+0x6dd/0x8f0 net/core/dev.c:5063 __netif_receive_skb_list net/core/dev.c:5115 [inline] netif_receive_skb_list_internal+0x944/0xc90 net/core/dev.c:5210 gro_normal_list net/core/dev.c:5321 [inline] napi_complete_done+0x20a/0x580 net/core/dev.c:6052 virtqueue_napi_complete drivers/net/virtio_net.c:357 [inline] virtnet_poll+0xb61/0x1250 drivers/net/virtio_net.c:1516 napi_poll net/core/dev.c:6367 [inline] net_rx_action+0x53f/0x1160 net/core/dev.c:6435 __do_softirq+0x23b/0x6b7 kernel/softirq.c:292 The buggy address belongs to the object at ffff8881e2f95000 which belongs to the cache skbuff_head_cache of size 240 The buggy address is located 0 bytes inside of 240-byte region [ffff8881e2f95000, ffff8881e2f950f0) The buggy address belongs to the page: page:ffffea00078be540 refcount:1 mapcount:0 mapping:ffff8881f5e79180 index:0x0 flags: 0x8000000000000200(slab) raw: 8000000000000200 dead000000000100 dead000000000122 ffff8881f5e79180 raw: 0000000000000000 00000000000c000c 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12a20(GFP_ATOMIC|__GFP_NOWARN|__GFP_NORETRY) set_page_owner include/linux/page_owner.h:31 [inline] post_alloc_hook mm/page_alloc.c:2165 [inline] prep_new_page+0x18f/0x370 mm/page_alloc.c:2171 get_page_from_freelist+0x2d13/0x2d90 mm/page_alloc.c:3794 __alloc_pages_nodemask+0x393/0x840 mm/page_alloc.c:4893 alloc_slab_page+0x39/0x3c0 mm/slub.c:343 allocate_slab mm/slub.c:1683 [inline] new_slab+0x97/0x440 mm/slub.c:1749 new_slab_objects mm/slub.c:2505 [inline] ___slab_alloc+0x2fe/0x490 mm/slub.c:2667 __slab_alloc+0x62/0xa0 mm/slub.c:2707 slab_alloc_node mm/slub.c:2792 [inline] slab_alloc mm/slub.c:2837 [inline] kmem_cache_alloc+0x109/0x250 mm/slub.c:2842 kmem_cache_alloc_node include/linux/slab.h:427 [inline] __alloc_skb+0x7a/0x4d0 net/core/skbuff.c:198 __napi_alloc_skb+0x141/0x580 net/core/skbuff.c:516 napi_alloc_skb include/linux/skbuff.h:2912 [inline] page_to_skb+0x39/0x930 drivers/net/virtio_net.c:412 receive_mergeable drivers/net/virtio_net.c:1001 [inline] receive_buf+0xde0/0x51c0 drivers/net/virtio_net.c:1111 virtnet_receive drivers/net/virtio_net.c:1403 [inline] virtnet_poll+0x5f3/0x1250 drivers/net/virtio_net.c:1512 napi_poll net/core/dev.c:6367 [inline] net_rx_action+0x53f/0x1160 net/core/dev.c:6435 __do_softirq+0x23b/0x6b7 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:373 [inline] irq_exit+0x195/0x1c0 kernel/softirq.c:413 page last free stack trace: reset_page_owner include/linux/page_owner.h:24 [inline] free_pages_prepare mm/page_alloc.c:1176 [inline] free_pcp_prepare mm/page_alloc.c:1233 [inline] free_unref_page_prepare+0x297/0x380 mm/page_alloc.c:3085 free_unref_page+0x7f/0x110 mm/page_alloc.c:3134 pipe_buf_release include/linux/pipe_fs_i.h:131 [inline] pipe_read+0x573/0xcf0 fs/pipe.c:338 call_read_iter include/linux/fs.h:1983 [inline] new_sync_read fs/read_write.c:414 [inline] __vfs_read+0x5cd/0x730 fs/read_write.c:427 vfs_read+0x148/0x360 fs/read_write.c:461 ksys_read+0x199/0x2c0 fs/read_write.c:587 do_syscall_64+0xca/0x1c0 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x5c/0xc1 Memory state around the buggy address: ffff8881e2f94f00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ffff8881e2f94f80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 >ffff8881e2f95000: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff8881e2f95080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc ffff8881e2f95100: fc fc fc fc fc fc fc fc fb fb fb fb fb fb fb fb ==================================================================