Extracting prog: 49.905412707s Minimizing prog: 28m9.649433875s Simplifying prog options: 0s Extracting C: 1m2.793317647s Simplifying C: 13m30.361683521s 1 programs, timeouts [30s 1m40s 6m0s] 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:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0) syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080)) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c}) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000240)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]}) syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0) fchownat(0xffffffffffffff9c, &(0x7f0000000440)='./file1\x00', 0x0, 0x0, 0x0) (fail_nth: 29) program crashed: WARNING in ovl_encode_real_fh single: successfully extracted reproducer found reproducer with 8 syscalls minimizing guilty program testing program (duration=58.419142239s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0) syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080)) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c}) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000240)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]}) syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0) program did not crash testing program (duration=58.419142239s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-fchownat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0) syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080)) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c}) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000240)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]}) fchownat(0xffffffffffffff9c, &(0x7f0000000440)='./file1\x00', 0x0, 0x0, 0x0) (fail_nth: 29) program did not crash testing program (duration=58.419142239s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-syz_mount_image$fuse-fchownat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0) syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080)) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c}) syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0) fchownat(0xffffffffffffff9c, &(0x7f0000000440)='./file1\x00', 0x0, 0x0, 0x0) (fail_nth: 29) program did not crash testing program (duration=58.419142239s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-syz_mount_image$fuse-fchownat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0) syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080)) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000240)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]}) syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0) fchownat(0xffffffffffffff9c, &(0x7f0000000440)='./file1\x00', 0x0, 0x0, 0x0) (fail_nth: 29) program did not crash testing program (duration=58.419142239s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0) syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080)) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c}) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000240)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]}) syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0) fchownat(0xffffffffffffff9c, &(0x7f0000000440)='./file1\x00', 0x0, 0x0, 0x0) (fail_nth: 29) program did not crash testing program (duration=58.419142239s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0) syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080)) syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c}) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000240)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]}) syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0) fchownat(0xffffffffffffff9c, &(0x7f0000000440)='./file1\x00', 0x0, 0x0, 0x0) (fail_nth: 29) program did not crash testing program (duration=58.419142239s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c}) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000240)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]}) syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0) fchownat(0xffffffffffffff9c, &(0x7f0000000440)='./file1\x00', 0x0, 0x0, 0x0) (fail_nth: 29) program did not crash testing program (duration=58.419142239s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat detailed listing: executing program 0: syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080)) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c}) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000240)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]}) syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0) fchownat(0xffffffffffffff9c, &(0x7f0000000440)='./file1\x00', 0x0, 0x0, 0x0) (fail_nth: 29) program did not crash testing program (duration=58.419142239s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0) syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080)) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c}) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000240)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]}) syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0) fchownat(0xffffffffffffff9c, &(0x7f0000000440)='./file1\x00', 0x0, 0x0, 0x0) program did not crash testing program (duration=58.419142239s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, 0x0, 0x0) syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080)) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c}) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000240)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]}) syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0) fchownat(0xffffffffffffff9c, &(0x7f0000000440)='./file1\x00', 0x0, 0x0, 0x0) (fail_nth: 29) program did not crash testing program (duration=58.419142239s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0) syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080)) mkdir(0x0, 0x0) syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c}) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000240)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]}) syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0) fchownat(0xffffffffffffff9c, &(0x7f0000000440)='./file1\x00', 0x0, 0x0, 0x0) (fail_nth: 29) program did not crash testing program (duration=58.419142239s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0) syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080)) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) syz_mount_image$fuse(0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0) mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c}) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000240)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]}) syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0) fchownat(0xffffffffffffff9c, &(0x7f0000000440)='./file1\x00', 0x0, 0x0, 0x0) (fail_nth: 29) program did not crash testing program (duration=58.419142239s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0) syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080)) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$overlay(0x0, 0x0, &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c}) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000240)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]}) syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0) fchownat(0xffffffffffffff9c, &(0x7f0000000440)='./file1\x00', 0x0, 0x0, 0x0) (fail_nth: 29) program did not crash testing program (duration=58.419142239s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0) syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080)) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c}) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000240)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]}) syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0) fchownat(0xffffffffffffff9c, &(0x7f0000000440)='./file1\x00', 0x0, 0x0, 0x0) (fail_nth: 29) program did not crash testing program (duration=58.419142239s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0) syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080)) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, 0x0) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000240)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]}) syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0) fchownat(0xffffffffffffff9c, &(0x7f0000000440)='./file1\x00', 0x0, 0x0, 0x0) (fail_nth: 29) program did not crash testing program (duration=58.419142239s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0) syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080)) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[], [], 0x2c}) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000240)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]}) syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0) fchownat(0xffffffffffffff9c, &(0x7f0000000440)='./file1\x00', 0x0, 0x0, 0x0) (fail_nth: 29) program did not crash testing program (duration=58.419142239s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0) syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080)) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c}) mount$overlay(0x0, 0x0, &(0x7f0000000080), 0x0, &(0x7f0000000240)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]}) syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0) fchownat(0xffffffffffffff9c, &(0x7f0000000440)='./file1\x00', 0x0, 0x0, 0x0) (fail_nth: 29) program did not crash testing program (duration=58.419142239s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0) syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080)) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c}) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', 0x0, 0x0, &(0x7f0000000240)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]}) syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0) fchownat(0xffffffffffffff9c, &(0x7f0000000440)='./file1\x00', 0x0, 0x0, 0x0) (fail_nth: 29) program did not crash testing program (duration=58.419142239s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0) syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080)) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c}) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, 0x0) syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0) fchownat(0xffffffffffffff9c, &(0x7f0000000440)='./file1\x00', 0x0, 0x0, 0x0) (fail_nth: 29) program did not crash testing program (duration=58.419142239s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0) syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080)) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c}) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000240)) syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0) fchownat(0xffffffffffffff9c, &(0x7f0000000440)='./file1\x00', 0x0, 0x0, 0x0) (fail_nth: 29) program did not crash testing program (duration=58.419142239s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0) syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080)) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c}) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000240)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]}) syz_mount_image$fuse(0x0, &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0) fchownat(0xffffffffffffff9c, &(0x7f0000000440)='./file1\x00', 0x0, 0x0, 0x0) (fail_nth: 29) program did not crash testing program (duration=58.419142239s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0) syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080)) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c}) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000240)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]}) syz_mount_image$fuse(&(0x7f0000000000), 0x0, 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0) fchownat(0xffffffffffffff9c, &(0x7f0000000440)='./file1\x00', 0x0, 0x0, 0x0) (fail_nth: 29) program did not crash testing program (duration=58.419142239s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0) syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080)) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c}) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000240)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]}) syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, 0x0, 0x1, 0x0, 0x0) fchownat(0xffffffffffffff9c, &(0x7f0000000440)='./file1\x00', 0x0, 0x0, 0x0) (fail_nth: 29) program did not crash testing program (duration=58.419142239s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0) syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080)) mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0) mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c}) mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000240)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}]}) syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0) fchownat(0xffffffffffffff9c, 0x0, 0x0, 0x0, 0x0) (fail_nth: 29) program did not crash extracting C reproducer testing compiled C program (duration=58.419142239s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat program crashed: WARNING in ovl_encode_real_fh simplifying C reproducer testing compiled C program (duration=58.419142239s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat program crashed: WARNING in ovl_encode_real_fh testing compiled C program (duration=58.419142239s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat program did not crash testing compiled C program (duration=58.419142239s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat program crashed: WARNING in ovl_encode_real_fh testing compiled C program (duration=58.419142239s, {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:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat program did not crash testing compiled C program (duration=58.419142239s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat program crashed: WARNING in ovl_encode_real_fh testing compiled C program (duration=58.419142239s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat program crashed: WARNING in ovl_encode_real_fh testing compiled C program (duration=58.419142239s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat program crashed: WARNING in ovl_encode_real_fh testing compiled C program (duration=58.419142239s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat program crashed: WARNING in ovl_encode_real_fh testing compiled C program (duration=58.419142239s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat program crashed: WARNING in ovl_encode_real_fh testing compiled C program (duration=58.419142239s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat program crashed: WARNING in ovl_encode_real_fh testing compiled C program (duration=58.419142239s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat program crashed: WARNING in ovl_encode_real_fh testing compiled C program (duration=58.419142239s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat program crashed: WARNING in ovl_encode_real_fh testing compiled C program (duration=58.419142239s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat program crashed: WARNING in ovl_encode_real_fh testing compiled C program (duration=58.419142239s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat program did not crash testing compiled C program (duration=58.419142239s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat program did not crash testing compiled C program (duration=58.419142239s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat program crashed: WARNING in ovl_encode_real_fh testing compiled C program (duration=58.419142239s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-fchownat program crashed: WARNING in ovl_encode_real_fh reproducing took 43m32.709866776s repro crashed as (corrupted=false): RDX: 0000000000000000 RSI: 0000000020000440 RDI: 00000000ffffff9c RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000003932 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc9b4e42fc R13: 0000000000000004 R14: 431bde82d7b634db R15: 00007ffc9b4e4330 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5103 at fs/overlayfs/copy_up.c:448 ovl_encode_real_fh+0x2e2/0x410 fs/overlayfs/copy_up.c:448 Modules linked in: CPU: 0 UID: 0 PID: 5103 Comm: syz-executor195 Not tainted 6.12.0-rc4-syzkaller-00047-gc2ee9f594da8 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:ovl_encode_real_fh+0x2e2/0x410 fs/overlayfs/copy_up.c:448 Code: 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 05 b6 75 fe 90 0f 0b 90 eb 14 e8 fa b5 75 fe 90 0f 0b 90 eb 09 e8 ef b5 75 fe 90 <0f> 0b 90 4c 89 ff e8 b3 6a d3 fe 49 c7 c7 fb ff ff ff eb 8b 89 d1 RSP: 0018:ffffc9000b1f73c0 EFLAGS: 00010293 RAX: ffffffff831f21f1 RBX: 1ffff9200163ee80 RCX: ffff88801fbc2440 RDX: 0000000000000000 RSI: 00000000000000ff RDI: 00000000000000ff RBP: ffffc9000b1f7470 R08: ffffffff831f208c R09: 1ffffffff2039fdd R10: dffffc0000000000 R11: fffffbfff2039fde R12: 00000000000000ff R13: 0000000000000080 R14: 1ffff9200163ee7c R15: ffff888036790300 FS: 0000555590223480(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6fdf3d7709 CR3: 0000000040e6e000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ovl_get_origin_fh fs/overlayfs/copy_up.c:484 [inline] ovl_do_copy_up fs/overlayfs/copy_up.c:961 [inline] ovl_copy_up_one fs/overlayfs/copy_up.c:1203 [inline] ovl_copy_up_flags+0x1068/0x46f0 fs/overlayfs/copy_up.c:1258 ovl_setattr+0x11d/0x5a0 fs/overlayfs/inode.c:40 notify_change+0xbca/0xe90 fs/attr.c:503 chown_common+0x501/0x850 fs/open.c:793 do_fchownat+0x16a/0x240 fs/open.c:824 __do_sys_fchownat fs/open.c:839 [inline] __se_sys_fchownat fs/open.c:836 [inline] __x64_sys_fchownat+0xb5/0xd0 fs/open.c:836 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6fdf3812f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 1b 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc9b4e42a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000104 RAX: ffffffffffffffda RBX: 00007ffc9b4e42b0 RCX: 00007f6fdf3812f9 RDX: 0000000000000000 RSI: 0000000020000440 RDI: 00000000ffffff9c RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000003932 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc9b4e42fc R13: 0000000000000004 R14: 431bde82d7b634db R15: 00007ffc9b4e4330 final repro crashed as (corrupted=false): RDX: 0000000000000000 RSI: 0000000020000440 RDI: 00000000ffffff9c RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000003932 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc9b4e42fc R13: 0000000000000004 R14: 431bde82d7b634db R15: 00007ffc9b4e4330 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 5103 at fs/overlayfs/copy_up.c:448 ovl_encode_real_fh+0x2e2/0x410 fs/overlayfs/copy_up.c:448 Modules linked in: CPU: 0 UID: 0 PID: 5103 Comm: syz-executor195 Not tainted 6.12.0-rc4-syzkaller-00047-gc2ee9f594da8 #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:ovl_encode_real_fh+0x2e2/0x410 fs/overlayfs/copy_up.c:448 Code: 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc e8 05 b6 75 fe 90 0f 0b 90 eb 14 e8 fa b5 75 fe 90 0f 0b 90 eb 09 e8 ef b5 75 fe 90 <0f> 0b 90 4c 89 ff e8 b3 6a d3 fe 49 c7 c7 fb ff ff ff eb 8b 89 d1 RSP: 0018:ffffc9000b1f73c0 EFLAGS: 00010293 RAX: ffffffff831f21f1 RBX: 1ffff9200163ee80 RCX: ffff88801fbc2440 RDX: 0000000000000000 RSI: 00000000000000ff RDI: 00000000000000ff RBP: ffffc9000b1f7470 R08: ffffffff831f208c R09: 1ffffffff2039fdd R10: dffffc0000000000 R11: fffffbfff2039fde R12: 00000000000000ff R13: 0000000000000080 R14: 1ffff9200163ee7c R15: ffff888036790300 FS: 0000555590223480(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f6fdf3d7709 CR3: 0000000040e6e000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ovl_get_origin_fh fs/overlayfs/copy_up.c:484 [inline] ovl_do_copy_up fs/overlayfs/copy_up.c:961 [inline] ovl_copy_up_one fs/overlayfs/copy_up.c:1203 [inline] ovl_copy_up_flags+0x1068/0x46f0 fs/overlayfs/copy_up.c:1258 ovl_setattr+0x11d/0x5a0 fs/overlayfs/inode.c:40 notify_change+0xbca/0xe90 fs/attr.c:503 chown_common+0x501/0x850 fs/open.c:793 do_fchownat+0x16a/0x240 fs/open.c:824 __do_sys_fchownat fs/open.c:839 [inline] __se_sys_fchownat fs/open.c:836 [inline] __x64_sys_fchownat+0xb5/0xd0 fs/open.c:836 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6fdf3812f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 31 1b 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc9b4e42a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000104 RAX: ffffffffffffffda RBX: 00007ffc9b4e42b0 RCX: 00007f6fdf3812f9 RDX: 0000000000000000 RSI: 0000000020000440 RDI: 00000000ffffff9c RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000003932 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc9b4e42fc R13: 0000000000000004 R14: 431bde82d7b634db R15: 00007ffc9b4e4330