Extracting prog: 1m16.197091108s
Minimizing prog: 13m42.12167033s
Simplifying prog options: 2m10.646299896s
Extracting C: 55.429180991s
Simplifying C: 0s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$packet-recvfrom$packet-mkdir-unshare-mount$incfs-io_uring_setup-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000007c0)='./file1\x00', 0x200000, &(0x7f0000000200)={[{@block_validity}, {}, {@nombcache}, {@oldalloc}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@nogrpid}, {@noauto_da_alloc}, {@grpjquota}]}, 0x3, 0x57b, &(0x7f0000000800)="$eJzs3d1rW+UfAPDvSZu9/37rYAz1Qgq7cDKXrq0vE4TNS9HhQO9naLMymi6jScdaB9su3I03MgQRB+If4L2Xw3/Av2KggyGj6IUXVk56smV56Uua2cx8PnC25znnpN/z5DnPk+/JSUgAQ2s8/ScX8XJEfJVEHG7aNhrZxvH1/VYf35hJlyTW1j75PYkkW9fYP8n+P5hVXoqIn7+IOJlrj1tdXpkvlsulxaw+UVu4OlFdXjl1eaE4V5orXZmanj7z1vTUu++83WPL2oO+fuHPbz++/8GZL4+vfvPjwyN3kzgXh7JtTe1IegyYutVcGY/x7I/l41zLjpM7CDKIdvKksXtGsnGej3QOOBwj2agH/vtuRsQaMJxGTAAwrBp5QOPavvl6fiN/Nz32Rfbo/fULoPb2j66/NxL76tdGB1aTZ66M0uvdsT7ET2P89Nu9u+kSLe+ntLrZh3gADbduR8Tp0dH2+S/J5r/ene70JmyL1hhbff0Bdu5+mv+80Sn/yT3Jf6JD/nOww9jtxebjP/ewD2G6SvO/9zrmv0+mrrGRrPa/es6XTy5dLpdOR8T/I+JE5Pem9Y3u55xZfdA1V27O/9Iljd/IBbPjeDi699nHzBZrxZ20udmj2xGvPM1/k2ib//fVc93W/k+fjwtbjHGsdO/Vbts2b3+z/mfAaz9EvNax/5/e0Uo2vj85UT8fJhpnRbs/7hz7pVv87bW//9L+P7Bx+8eS5vu11e3H+H7fX6Vu23o9//ckn9bLe7J114u12uJkxJ7ko/b1U08f26g39k/bf+L4xvNfp/N/f0R8tsX23zl6p+uug9D/s9vq/2cK+bY1HQoPPvz8u27xt9b/b9ZLJ7I1W5n/tnJcvZ3NAAAAAAAAMLhyEXEoklzhSTmXKxTWP99xNA7kypVq7eSlytKV2ah/V3Ys8rnGne7DTZ+HmMw+D9uoT7XUpyPiSER8PbK/Xi/MVMqzu914AAAAAAAAAAAAAAAAAAAAGBAHu3z/P/XryG4fHfDc+clvGF6bjv9+/NITMJC8/sPwMv5heBn/MLyMfxhexj8ML+MfhpfxD8PL+AcAAAAAAAAAAAAAAAAAAAAAAAAAAIC+unD+fLqsrT6+MZPWZ68tL81Xrp2aLVXnCwtLM4WZyuLVwlylMlcuFWYqC5v9vXKlcnVyKpauT9RK1dpEdXnl4kJl6Urt4uWF4lzpYin/r7QKAAAAAAAAAAAAAAAAAAAAXizV5ZX5YrlcWlToWjgbA3EYPReSzXr5bHYy9BRidPcbqPAcCrs8MQEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAk38CAAD//2iMNWI=")
r0 = socket$packet(0x11, 0x3, 0x300)
recvfrom$packet(r0, 0x0, 0x0, 0x20, 0x0, 0x0)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x11e)
unshare(0x2020600)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000000), 0xc002, 0x0)
io_uring_setup(0x423e, 0x0)
mount$overlay(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program crashed: general protection fault in __is_local_mountpoint
single: successfully extracted reproducer
found reproducer with 8 syscalls
minimizing guilty program
testing program (duration=33.581465439s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$packet-recvfrom$packet-mkdir-unshare-mount$incfs-io_uring_setup
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000007c0)='./file1\x00', 0x200000, &(0x7f0000000200)={[{@block_validity}, {}, {@nombcache}, {@oldalloc}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@nogrpid}, {@noauto_da_alloc}, {@grpjquota}]}, 0x3, 0x57b, &(0x7f0000000800)="$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")
r0 = socket$packet(0x11, 0x3, 0x300)
recvfrom$packet(r0, 0x0, 0x0, 0x20, 0x0, 0x0)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x11e)
unshare(0x2020600)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000000), 0xc002, 0x0)
io_uring_setup(0x423e, 0x0)

program did not crash
testing program (duration=33.581465439s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$packet-recvfrom$packet-mkdir-unshare-mount$incfs-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000007c0)='./file1\x00', 0x200000, &(0x7f0000000200)={[{@block_validity}, {}, {@nombcache}, {@oldalloc}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@nogrpid}, {@noauto_da_alloc}, {@grpjquota}]}, 0x3, 0x57b, &(0x7f0000000800)="$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")
r0 = socket$packet(0x11, 0x3, 0x300)
recvfrom$packet(r0, 0x0, 0x0, 0x20, 0x0, 0x0)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x11e)
unshare(0x2020600)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000000), 0xc002, 0x0)
mount$overlay(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program crashed: general protection fault in __is_local_mountpoint
testing program (duration=33.581465439s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$packet-recvfrom$packet-mkdir-unshare-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000007c0)='./file1\x00', 0x200000, &(0x7f0000000200)={[{@block_validity}, {}, {@nombcache}, {@oldalloc}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@nogrpid}, {@noauto_da_alloc}, {@grpjquota}]}, 0x3, 0x57b, &(0x7f0000000800)="$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")
r0 = socket$packet(0x11, 0x3, 0x300)
recvfrom$packet(r0, 0x0, 0x0, 0x20, 0x0, 0x0)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x11e)
unshare(0x2020600)
mount$overlay(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=33.581465439s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$packet-recvfrom$packet-mkdir-mount$incfs-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000007c0)='./file1\x00', 0x200000, &(0x7f0000000200)={[{@block_validity}, {}, {@nombcache}, {@oldalloc}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@nogrpid}, {@noauto_da_alloc}, {@grpjquota}]}, 0x3, 0x57b, &(0x7f0000000800)="$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")
r0 = socket$packet(0x11, 0x3, 0x300)
recvfrom$packet(r0, 0x0, 0x0, 0x20, 0x0, 0x0)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x11e)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000000), 0xc002, 0x0)
mount$overlay(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=33.581465439s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$packet-recvfrom$packet-unshare-mount$incfs-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000007c0)='./file1\x00', 0x200000, &(0x7f0000000200)={[{@block_validity}, {}, {@nombcache}, {@oldalloc}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@nogrpid}, {@noauto_da_alloc}, {@grpjquota}]}, 0x3, 0x57b, &(0x7f0000000800)="$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")
r0 = socket$packet(0x11, 0x3, 0x300)
recvfrom$packet(r0, 0x0, 0x0, 0x20, 0x0, 0x0)
unshare(0x2020600)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000000), 0xc002, 0x0)
mount$overlay(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=33.581465439s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-socket$packet-mkdir-unshare-mount$incfs-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000007c0)='./file1\x00', 0x200000, &(0x7f0000000200)={[{@block_validity}, {}, {@nombcache}, {@oldalloc}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@nogrpid}, {@noauto_da_alloc}, {@grpjquota}]}, 0x3, 0x57b, &(0x7f0000000800)="$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")
socket$packet(0x11, 0x3, 0x300)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x11e)
unshare(0x2020600)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000000), 0xc002, 0x0)
mount$overlay(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program crashed: general protection fault in __is_local_mountpoint
testing program (duration=33.581465439s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mkdir-unshare-mount$incfs-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000007c0)='./file1\x00', 0x200000, &(0x7f0000000200)={[{@block_validity}, {}, {@nombcache}, {@oldalloc}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@nogrpid}, {@noauto_da_alloc}, {@grpjquota}]}, 0x3, 0x57b, &(0x7f0000000800)="$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")
mkdir(&(0x7f00000000c0)='./bus\x00', 0x11e)
unshare(0x2020600)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000000), 0xc002, 0x0)
mount$overlay(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program crashed: general protection fault in __is_local_mountpoint
testing program (duration=33.581465439s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-unshare-mount$incfs-mount$overlay
detailed listing:
executing program 0:
mkdir(&(0x7f00000000c0)='./bus\x00', 0x11e)
unshare(0x2020600)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000000), 0xc002, 0x0)
mount$overlay(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=33.581465439s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mkdir-unshare-mount$incfs-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000007c0)='./file1\x00', 0x200000, &(0x7f0000000200)={[{@block_validity}, {}, {@nombcache}, {@oldalloc}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@nogrpid}, {@noauto_da_alloc}, {@grpjquota}]}, 0x3, 0x57b, &(0x7f0000000800)="$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")
mkdir(0x0, 0x11e)
unshare(0x2020600)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000000), 0xc002, 0x0)
mount$overlay(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=33.581465439s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mkdir-unshare-mount$incfs-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000007c0)='./file1\x00', 0x200000, &(0x7f0000000200)={[{@block_validity}, {}, {@nombcache}, {@oldalloc}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@nogrpid}, {@noauto_da_alloc}, {@grpjquota}]}, 0x3, 0x57b, &(0x7f0000000800)="$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")
mkdir(&(0x7f00000000c0)='./bus\x00', 0x11e)
unshare(0x2020600)
mount$incfs(0x0, &(0x7f0000000800)='./bus\x00', &(0x7f0000000000), 0xc002, 0x0)
mount$overlay(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=33.581465439s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mkdir-unshare-mount$incfs-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000007c0)='./file1\x00', 0x200000, &(0x7f0000000200)={[{@block_validity}, {}, {@nombcache}, {@oldalloc}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@nogrpid}, {@noauto_da_alloc}, {@grpjquota}]}, 0x3, 0x57b, &(0x7f0000000800)="$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")
mkdir(&(0x7f00000000c0)='./bus\x00', 0x11e)
unshare(0x2020600)
mount$incfs(&(0x7f00000007c0)='.\x00', 0x0, &(0x7f0000000000), 0xc002, 0x0)
mount$overlay(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=33.581465439s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mkdir-unshare-mount$incfs-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000007c0)='./file1\x00', 0x200000, &(0x7f0000000200)={[{@block_validity}, {}, {@nombcache}, {@oldalloc}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@nogrpid}, {@noauto_da_alloc}, {@grpjquota}]}, 0x3, 0x57b, &(0x7f0000000800)="$eJzs3d1rW+UfAPDvSZu9/37rYAz1Qgq7cDKXrq0vE4TNS9HhQO9naLMymi6jScdaB9su3I03MgQRB+If4L2Xw3/Av2KggyGj6IUXVk56smV56Uua2cx8PnC25znnpN/z5DnPk+/JSUgAQ2s8/ScX8XJEfJVEHG7aNhrZxvH1/VYf35hJlyTW1j75PYkkW9fYP8n+P5hVXoqIn7+IOJlrj1tdXpkvlsulxaw+UVu4OlFdXjl1eaE4V5orXZmanj7z1vTUu++83WPL2oO+fuHPbz++/8GZL4+vfvPjwyN3kzgXh7JtTe1IegyYutVcGY/x7I/l41zLjpM7CDKIdvKksXtGsnGej3QOOBwj2agH/vtuRsQaMJxGTAAwrBp5QOPavvl6fiN/Nz32Rfbo/fULoPb2j66/NxL76tdGB1aTZ66M0uvdsT7ET2P89Nu9u+kSLe+ntLrZh3gADbduR8Tp0dH2+S/J5r/ene70JmyL1hhbff0Bdu5+mv+80Sn/yT3Jf6JD/nOww9jtxebjP/ewD2G6SvO/9zrmv0+mrrGRrPa/es6XTy5dLpdOR8T/I+JE5Pem9Y3u55xZfdA1V27O/9Iljd/IBbPjeDi699nHzBZrxZ20udmj2xGvPM1/k2ib//fVc93W/k+fjwtbjHGsdO/Vbts2b3+z/mfAaz9EvNax/5/e0Uo2vj85UT8fJhpnRbs/7hz7pVv87bW//9L+P7Bx+8eS5vu11e3H+H7fX6Vu23o9//ckn9bLe7J114u12uJkxJ7ko/b1U08f26g39k/bf+L4xvNfp/N/f0R8tsX23zl6p+uug9D/s9vq/2cK+bY1HQoPPvz8u27xt9b/b9ZLJ7I1W5n/tnJcvZ3NAAAAAAAAMLhyEXEoklzhSTmXKxTWP99xNA7kypVq7eSlytKV2ah/V3Ys8rnGne7DTZ+HmMw+D9uoT7XUpyPiSER8PbK/Xi/MVMqzu914AAAAAAAAAAAAAAAAAAAAGBAHu3z/P/XryG4fHfDc+clvGF6bjv9+/NITMJC8/sPwMv5heBn/MLyMfxhexj8ML+MfhpfxD8PL+AcAAAAAAAAAAAAAAAAAAAAAAAAAAIC+unD+fLqsrT6+MZPWZ68tL81Xrp2aLVXnCwtLM4WZyuLVwlylMlcuFWYqC5v9vXKlcnVyKpauT9RK1dpEdXnl4kJl6Urt4uWF4lzpYin/r7QKAAAAAAAAAAAAAAAAAAAAXizV5ZX5YrlcWlToWjgbA3EYPReSzXr5bHYy9BRidPcbqPAcCrs8MQEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAk38CAAD//2iMNWI=")
mkdir(&(0x7f00000000c0)='./bus\x00', 0x11e)
unshare(0x2020600)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', 0x0, 0xc002, 0x0)
mount$overlay(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=33.581465439s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mkdir-unshare-mount$incfs-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000007c0)='./file1\x00', 0x200000, &(0x7f0000000200)={[{@block_validity}, {}, {@nombcache}, {@oldalloc}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@nogrpid}, {@noauto_da_alloc}, {@grpjquota}]}, 0x3, 0x57b, &(0x7f0000000800)="$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")
mkdir(&(0x7f00000000c0)='./bus\x00', 0x11e)
unshare(0x2020600)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000000), 0xc002, 0x0)
mount$overlay(0x0, 0x0, &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=33.581465439s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mkdir-unshare-mount$incfs-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000007c0)='./file1\x00', 0x200000, &(0x7f0000000200)={[{@block_validity}, {}, {@nombcache}, {@oldalloc}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@nogrpid}, {@noauto_da_alloc}, {@grpjquota}]}, 0x3, 0x57b, &(0x7f0000000800)="$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")
mkdir(&(0x7f00000000c0)='./bus\x00', 0x11e)
unshare(0x2020600)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000000), 0xc002, 0x0)
mount$overlay(0x0, &(0x7f0000000040)='./file0\x00', 0x0, 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=33.581465439s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mkdir-unshare-mount$incfs-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000007c0)='./file1\x00', 0x200000, &(0x7f0000000200)={[{@block_validity}, {}, {@nombcache}, {@oldalloc}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@nogrpid}, {@noauto_da_alloc}, {@grpjquota}]}, 0x3, 0x57b, &(0x7f0000000800)="$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")
mkdir(&(0x7f00000000c0)='./bus\x00', 0x11e)
unshare(0x2020600)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000000), 0xc002, 0x0)
mount$overlay(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, 0x0)

program did not crash
testing program (duration=33.581465439s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mkdir-unshare-mount$incfs-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000007c0)='./file1\x00', 0x200000, &(0x7f0000000200)={[{@block_validity}, {}, {@nombcache}, {@oldalloc}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@nogrpid}, {@noauto_da_alloc}, {@grpjquota}]}, 0x3, 0x57b, &(0x7f0000000800)="$eJzs3d1rW+UfAPDvSZu9/37rYAz1Qgq7cDKXrq0vE4TNS9HhQO9naLMymi6jScdaB9su3I03MgQRB+If4L2Xw3/Av2KggyGj6IUXVk56smV56Uua2cx8PnC25znnpN/z5DnPk+/JSUgAQ2s8/ScX8XJEfJVEHG7aNhrZxvH1/VYf35hJlyTW1j75PYkkW9fYP8n+P5hVXoqIn7+IOJlrj1tdXpkvlsulxaw+UVu4OlFdXjl1eaE4V5orXZmanj7z1vTUu++83WPL2oO+fuHPbz++/8GZL4+vfvPjwyN3kzgXh7JtTe1IegyYutVcGY/x7I/l41zLjpM7CDKIdvKksXtGsnGej3QOOBwj2agH/vtuRsQaMJxGTAAwrBp5QOPavvl6fiN/Nz32Rfbo/fULoPb2j66/NxL76tdGB1aTZ66M0uvdsT7ET2P89Nu9u+kSLe+ntLrZh3gADbduR8Tp0dH2+S/J5r/ene70JmyL1hhbff0Bdu5+mv+80Sn/yT3Jf6JD/nOww9jtxebjP/ewD2G6SvO/9zrmv0+mrrGRrPa/es6XTy5dLpdOR8T/I+JE5Pem9Y3u55xZfdA1V27O/9Iljd/IBbPjeDi699nHzBZrxZ20udmj2xGvPM1/k2ib//fVc93W/k+fjwtbjHGsdO/Vbts2b3+z/mfAaz9EvNax/5/e0Uo2vj85UT8fJhpnRbs/7hz7pVv87bW//9L+P7Bx+8eS5vu11e3H+H7fX6Vu23o9//ckn9bLe7J114u12uJkxJ7ko/b1U08f26g39k/bf+L4xvNfp/N/f0R8tsX23zl6p+uug9D/s9vq/2cK+bY1HQoPPvz8u27xt9b/b9ZLJ7I1W5n/tnJcvZ3NAAAAAAAAMLhyEXEoklzhSTmXKxTWP99xNA7kypVq7eSlytKV2ah/V3Ys8rnGne7DTZ+HmMw+D9uoT7XUpyPiSER8PbK/Xi/MVMqzu914AAAAAAAAAAAAAAAAAAAAGBAHu3z/P/XryG4fHfDc+clvGF6bjv9+/NITMJC8/sPwMv5heBn/MLyMfxhexj8ML+MfhpfxD8PL+AcAAAAAAAAAAAAAAAAAAAAAAAAAAIC+unD+fLqsrT6+MZPWZ68tL81Xrp2aLVXnCwtLM4WZyuLVwlylMlcuFWYqC5v9vXKlcnVyKpauT9RK1dpEdXnl4kJl6Urt4uWF4lzpYin/r7QKAAAAAAAAAAAAAAAAAAAAXizV5ZX5YrlcWlToWjgbA3EYPReSzXr5bHYy9BRidPcbqPAcCrs8MQEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAk38CAAD//2iMNWI=")
mkdir(&(0x7f00000000c0)='./bus\x00', 0x11e)
unshare(0x2020600)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000000), 0xc002, 0x0)
mount$overlay(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180))

program did not crash
extracting C reproducer
testing compiled C program (duration=33.581465439s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mkdir-unshare-mount$incfs-mount$overlay
program did not crash
simplifying guilty program options
testing program (duration=33.581465439s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mkdir-unshare-mount$incfs-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000007c0)='./file1\x00', 0x200000, &(0x7f0000000200)={[{@block_validity}, {}, {@nombcache}, {@oldalloc}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@nogrpid}, {@noauto_da_alloc}, {@grpjquota}]}, 0x3, 0x57b, &(0x7f0000000800)="$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")
mkdir(&(0x7f00000000c0)='./bus\x00', 0x11e)
unshare(0x2020600)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000000), 0xc002, 0x0)
mount$overlay(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=33.581465439s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mkdir-unshare-mount$incfs-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000007c0)='./file1\x00', 0x200000, &(0x7f0000000200)={[{@block_validity}, {}, {@nombcache}, {@oldalloc}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@nogrpid}, {@noauto_da_alloc}, {@grpjquota}]}, 0x3, 0x57b, &(0x7f0000000800)="$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")
mkdir(&(0x7f00000000c0)='./bus\x00', 0x11e)
unshare(0x2020600)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000000), 0xc002, 0x0)
mount$overlay(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=33.581465439s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mkdir-unshare-mount$incfs-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000007c0)='./file1\x00', 0x200000, &(0x7f0000000200)={[{@block_validity}, {}, {@nombcache}, {@oldalloc}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@nogrpid}, {@noauto_da_alloc}, {@grpjquota}]}, 0x3, 0x57b, &(0x7f0000000800)="$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")
mkdir(&(0x7f00000000c0)='./bus\x00', 0x11e)
unshare(0x2020600)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000000), 0xc002, 0x0)
mount$overlay(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program did not crash
testing program (duration=33.581465439s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mkdir-unshare-mount$incfs-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000007c0)='./file1\x00', 0x200000, &(0x7f0000000200)={[{@block_validity}, {}, {@nombcache}, {@oldalloc}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@nogrpid}, {@noauto_da_alloc}, {@grpjquota}]}, 0x3, 0x57b, &(0x7f0000000800)="$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")
mkdir(&(0x7f00000000c0)='./bus\x00', 0x11e)
unshare(0x2020600)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000000), 0xc002, 0x0)
mount$overlay(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program crashed: general protection fault in __is_local_mountpoint
validation run: crashed=true
testing program (duration=33.581465439s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mkdir-unshare-mount$incfs-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000007c0)='./file1\x00', 0x200000, &(0x7f0000000200)={[{@block_validity}, {}, {@nombcache}, {@oldalloc}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@nogrpid}, {@noauto_da_alloc}, {@grpjquota}]}, 0x3, 0x57b, &(0x7f0000000800)="$eJzs3d1rW+UfAPDvSZu9/37rYAz1Qgq7cDKXrq0vE4TNS9HhQO9naLMymi6jScdaB9su3I03MgQRB+If4L2Xw3/Av2KggyGj6IUXVk56smV56Uua2cx8PnC25znnpN/z5DnPk+/JSUgAQ2s8/ScX8XJEfJVEHG7aNhrZxvH1/VYf35hJlyTW1j75PYkkW9fYP8n+P5hVXoqIn7+IOJlrj1tdXpkvlsulxaw+UVu4OlFdXjl1eaE4V5orXZmanj7z1vTUu++83WPL2oO+fuHPbz++/8GZL4+vfvPjwyN3kzgXh7JtTe1IegyYutVcGY/x7I/l41zLjpM7CDKIdvKksXtGsnGej3QOOBwj2agH/vtuRsQaMJxGTAAwrBp5QOPavvl6fiN/Nz32Rfbo/fULoPb2j66/NxL76tdGB1aTZ66M0uvdsT7ET2P89Nu9u+kSLe+ntLrZh3gADbduR8Tp0dH2+S/J5r/ene70JmyL1hhbff0Bdu5+mv+80Sn/yT3Jf6JD/nOww9jtxebjP/ewD2G6SvO/9zrmv0+mrrGRrPa/es6XTy5dLpdOR8T/I+JE5Pem9Y3u55xZfdA1V27O/9Iljd/IBbPjeDi699nHzBZrxZ20udmj2xGvPM1/k2ib//fVc93W/k+fjwtbjHGsdO/Vbts2b3+z/mfAaz9EvNax/5/e0Uo2vj85UT8fJhpnRbs/7hz7pVv87bW//9L+P7Bx+8eS5vu11e3H+H7fX6Vu23o9//ckn9bLe7J114u12uJkxJ7ko/b1U08f26g39k/bf+L4xvNfp/N/f0R8tsX23zl6p+uug9D/s9vq/2cK+bY1HQoPPvz8u27xt9b/b9ZLJ7I1W5n/tnJcvZ3NAAAAAAAAMLhyEXEoklzhSTmXKxTWP99xNA7kypVq7eSlytKV2ah/V3Ys8rnGne7DTZ+HmMw+D9uoT7XUpyPiSER8PbK/Xi/MVMqzu914AAAAAAAAAAAAAAAAAAAAGBAHu3z/P/XryG4fHfDc+clvGF6bjv9+/NITMJC8/sPwMv5heBn/MLyMfxhexj8ML+MfhpfxD8PL+AcAAAAAAAAAAAAAAAAAAAAAAAAAAIC+unD+fLqsrT6+MZPWZ68tL81Xrp2aLVXnCwtLM4WZyuLVwlylMlcuFWYqC5v9vXKlcnVyKpauT9RK1dpEdXnl4kJl6Urt4uWF4lzpYin/r7QKAAAAAAAAAAAAAAAAAAAAXizV5ZX5YrlcWlToWjgbA3EYPReSzXr5bHYy9BRidPcbqPAcCrs8MQEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAk38CAAD//2iMNWI=")
mkdir(&(0x7f00000000c0)='./bus\x00', 0x11e)
unshare(0x2020600)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000000), 0xc002, 0x0)
mount$overlay(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program crashed: general protection fault in __is_local_mountpoint
validation run: crashed=true
testing program (duration=33.581465439s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mkdir-unshare-mount$incfs-mount$overlay
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000040)='ext4\x00', &(0x7f00000007c0)='./file1\x00', 0x200000, &(0x7f0000000200)={[{@block_validity}, {}, {@nombcache}, {@oldalloc}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@orlov}, {@nogrpid}, {@noauto_da_alloc}, {@grpjquota}]}, 0x3, 0x57b, &(0x7f0000000800)="$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")
mkdir(&(0x7f00000000c0)='./bus\x00', 0x11e)
unshare(0x2020600)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000000), 0xc002, 0x0)
mount$overlay(0x0, &(0x7f0000000040)='./file0\x00', &(0x7f0000000b80), 0x0, &(0x7f0000000180)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file0'}}]})

program crashed: general protection fault in __is_local_mountpoint
validation run: crashed=true
reproducing took 20m13.84484365s
repro crashed as (corrupted=false):
general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f]
CPU: 1 PID: 517 Comm: syz.1.46 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:__is_local_mountpoint+0x56/0x1a0 fs/namespace.c:749
Code: 49 81 c6 48 08 00 00 4c 89 f0 48 c1 e8 03 80 3c 18 00 74 08 4c 89 f7 e8 98 3f ef ff 4d 8b 36 49 83 c6 18 4c 89 f0 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 f7 e8 7c 3f ef ff 4d 8b 3e 48 c7 c7 20 90
RSP: 0018:ffffc900037d7738 EFLAGS: 00010206
RAX: 0000000000000003 RBX: dffffc0000000000 RCX: ffff88810ba69440
RDX: 0000000000000000 RSI: 0000000000010000 RDI: ffff888117cd5110
RBP: ffffc900037d7770 R08: ffff888132d2afd7 R09: 1ffff110265a55fa
R10: dffffc0000000000 R11: ffffed10265a55fb R12: 1ffff1102658ef34
R13: 0000000000010000 R14: 0000000000000018 R15: 1ffff11022f9aa22
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001000 CR3: 000000011024e000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 is_local_mountpoint fs/mount.h:141 [inline]
 vfs_rmdir+0x12d/0x4f0 fs/namei.c:4190
 incfs_kill_sb+0xfe/0x210 fs/incfs/vfs.c:1995
 deactivate_locked_super+0xb5/0x120 fs/super.c:336
 deactivate_super+0xaf/0xe0 fs/super.c:367
 cleanup_mnt+0x45e/0x4e0 fs/namespace.c:1192
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1199
 task_work_run+0x1e1/0x250 kernel/task_work.c:203
 exit_task_work include/linux/task_work.h:39 [inline]
 do_exit+0xaf2/0x2850 kernel/exit.c:887
 do_group_exit+0x21b/0x2e0 kernel/exit.c:1030
 get_signal+0x167c/0x1700 kernel/signal.c:2895
 arch_do_signal_or_restart+0xd1/0x11c0 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x7a/0xb0 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fd539f9e0d9
Code: Unable to access opcode bytes at 0x7fd539f9e0af.
RSP: 002b:00007fd53ae320e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fd53a225fa8 RCX: 00007fd539f9e0d9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fd53a225fa8
RBP: 00007fd53a225fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd53a226038 R14: 00007fffb04be030 R15: 00007fffb04be118
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__is_local_mountpoint+0x56/0x1a0 fs/namespace.c:749
Code: 49 81 c6 48 08 00 00 4c 89 f0 48 c1 e8 03 80 3c 18 00 74 08 4c 89 f7 e8 98 3f ef ff 4d 8b 36 49 83 c6 18 4c 89 f0 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 f7 e8 7c 3f ef ff 4d 8b 3e 48 c7 c7 20 90
RSP: 0018:ffffc900037d7738 EFLAGS: 00010206
RAX: 0000000000000003 RBX: dffffc0000000000 RCX: ffff88810ba69440
RDX: 0000000000000000 RSI: 0000000000010000 RDI: ffff888117cd5110
RBP: ffffc900037d7770 R08: ffff888132d2afd7 R09: 1ffff110265a55fa
R10: dffffc0000000000 R11: ffffed10265a55fb R12: 1ffff1102658ef34
R13: 0000000000010000 R14: 0000000000000018 R15: 1ffff11022f9aa22
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fac09c35000 CR3: 000000010898d000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	49 81 c6 48 08 00 00 	add    $0x848,%r14
   7:	4c 89 f0             	mov    %r14,%rax
   a:	48 c1 e8 03          	shr    $0x3,%rax
   e:	80 3c 18 00          	cmpb   $0x0,(%rax,%rbx,1)
  12:	74 08                	je     0x1c
  14:	4c 89 f7             	mov    %r14,%rdi
  17:	e8 98 3f ef ff       	call   0xffef3fb4
  1c:	4d 8b 36             	mov    (%r14),%r14
  1f:	49 83 c6 18          	add    $0x18,%r14
  23:	4c 89 f0             	mov    %r14,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	80 3c 18 00          	cmpb   $0x0,(%rax,%rbx,1) <-- trapping instruction
  2e:	74 08                	je     0x38
  30:	4c 89 f7             	mov    %r14,%rdi
  33:	e8 7c 3f ef ff       	call   0xffef3fb4
  38:	4d 8b 3e             	mov    (%r14),%r15
  3b:	48                   	rex.W
  3c:	c7                   	.byte 0xc7
  3d:	c7                   	(bad)
  3e:	20                   	.byte 0x20
  3f:	90                   	nop

final repro crashed as (corrupted=false):
general protection fault, probably for non-canonical address 0xdffffc0000000003: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000018-0x000000000000001f]
CPU: 1 PID: 517 Comm: syz.1.46 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:__is_local_mountpoint+0x56/0x1a0 fs/namespace.c:749
Code: 49 81 c6 48 08 00 00 4c 89 f0 48 c1 e8 03 80 3c 18 00 74 08 4c 89 f7 e8 98 3f ef ff 4d 8b 36 49 83 c6 18 4c 89 f0 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 f7 e8 7c 3f ef ff 4d 8b 3e 48 c7 c7 20 90
RSP: 0018:ffffc900037d7738 EFLAGS: 00010206
RAX: 0000000000000003 RBX: dffffc0000000000 RCX: ffff88810ba69440
RDX: 0000000000000000 RSI: 0000000000010000 RDI: ffff888117cd5110
RBP: ffffc900037d7770 R08: ffff888132d2afd7 R09: 1ffff110265a55fa
R10: dffffc0000000000 R11: ffffed10265a55fb R12: 1ffff1102658ef34
R13: 0000000000010000 R14: 0000000000000018 R15: 1ffff11022f9aa22
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001000 CR3: 000000011024e000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 is_local_mountpoint fs/mount.h:141 [inline]
 vfs_rmdir+0x12d/0x4f0 fs/namei.c:4190
 incfs_kill_sb+0xfe/0x210 fs/incfs/vfs.c:1995
 deactivate_locked_super+0xb5/0x120 fs/super.c:336
 deactivate_super+0xaf/0xe0 fs/super.c:367
 cleanup_mnt+0x45e/0x4e0 fs/namespace.c:1192
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1199
 task_work_run+0x1e1/0x250 kernel/task_work.c:203
 exit_task_work include/linux/task_work.h:39 [inline]
 do_exit+0xaf2/0x2850 kernel/exit.c:887
 do_group_exit+0x21b/0x2e0 kernel/exit.c:1030
 get_signal+0x167c/0x1700 kernel/signal.c:2895
 arch_do_signal_or_restart+0xd1/0x11c0 arch/x86/kernel/signal.c:871
 exit_to_user_mode_loop+0x7a/0xb0 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fd539f9e0d9
Code: Unable to access opcode bytes at 0x7fd539f9e0af.
RSP: 002b:00007fd53ae320e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fd53a225fa8 RCX: 00007fd539f9e0d9
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fd53a225fa8
RBP: 00007fd53a225fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd53a226038 R14: 00007fffb04be030 R15: 00007fffb04be118
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__is_local_mountpoint+0x56/0x1a0 fs/namespace.c:749
Code: 49 81 c6 48 08 00 00 4c 89 f0 48 c1 e8 03 80 3c 18 00 74 08 4c 89 f7 e8 98 3f ef ff 4d 8b 36 49 83 c6 18 4c 89 f0 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 f7 e8 7c 3f ef ff 4d 8b 3e 48 c7 c7 20 90
RSP: 0018:ffffc900037d7738 EFLAGS: 00010206
RAX: 0000000000000003 RBX: dffffc0000000000 RCX: ffff88810ba69440
RDX: 0000000000000000 RSI: 0000000000010000 RDI: ffff888117cd5110
RBP: ffffc900037d7770 R08: ffff888132d2afd7 R09: 1ffff110265a55fa
R10: dffffc0000000000 R11: ffffed10265a55fb R12: 1ffff1102658ef34
R13: 0000000000010000 R14: 0000000000000018 R15: 1ffff11022f9aa22
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fac09c35000 CR3: 000000010898d000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	49 81 c6 48 08 00 00 	add    $0x848,%r14
   7:	4c 89 f0             	mov    %r14,%rax
   a:	48 c1 e8 03          	shr    $0x3,%rax
   e:	80 3c 18 00          	cmpb   $0x0,(%rax,%rbx,1)
  12:	74 08                	je     0x1c
  14:	4c 89 f7             	mov    %r14,%rdi
  17:	e8 98 3f ef ff       	call   0xffef3fb4
  1c:	4d 8b 36             	mov    (%r14),%r14
  1f:	49 83 c6 18          	add    $0x18,%r14
  23:	4c 89 f0             	mov    %r14,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	80 3c 18 00          	cmpb   $0x0,(%rax,%rbx,1) <-- trapping instruction
  2e:	74 08                	je     0x38
  30:	4c 89 f7             	mov    %r14,%rdi
  33:	e8 7c 3f ef ff       	call   0xffef3fb4
  38:	4d 8b 3e             	mov    (%r14),%r15
  3b:	48                   	rex.W
  3c:	c7                   	.byte 0xc7
  3d:	c7                   	(bad)
  3e:	20                   	.byte 0x20
  3f:	90                   	nop