Extracting prog: 1m10.4487908s
Minimizing prog: 10m50.735569165s
Simplifying prog options: 0s
Extracting C: 29.758721501s
Simplifying C: 11m0.218215883s


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$ext4-mount$incfs-mount$incfs-openat-openat$incfs-ioctl$INCFS_IOC_CREATE_FILE-mkdir-mount$incfs-chdir-rmdir
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000200)='ext4\x00', &(0x7f0000000000)='./bus\x00', 0xe, &(0x7f0000000240)={[{}, {@errors_continue}, {@sb={'sb', 0x3d, 0xffff}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@block_validity}, {@noload}]}, 0x1, 0x443, &(0x7f00000063c0)="$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")
mount$incfs(&(0x7f00000001c0)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000040), 0x0, 0x0)
mount$incfs(&(0x7f0000000300)='./file0\x00', &(0x7f0000000400)='./file0\x00', &(0x7f0000000280), 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='./file0\x00', 0x0, 0x1)
r1 = openat$incfs(r0, &(0x7f0000000180)='.pending_reads\x00', 0x10b441, 0x0)
ioctl$INCFS_IOC_CREATE_FILE(r1, 0xc058671e, &(0x7f0000000080)={{'\x00', 0x3}, {0x5}, 0x6, 0x0, 0x0, 0x0, &(0x7f0000000240)='\xe9\x1fq\x89Y\x1e\x923aK\x00', 0x0, 0xfffffcdf, 0x0, 0x0})
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
rmdir(&(0x7f0000000100)='./bus\x00')

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
single: successfully extracted reproducer
found reproducer with 10 syscalls
minimizing guilty program
testing program (duration=34.16271235s, {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$ext4-mount$incfs-mount$incfs-openat-openat$incfs-ioctl$INCFS_IOC_CREATE_FILE-mkdir-mount$incfs-chdir
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000200)='ext4\x00', &(0x7f0000000000)='./bus\x00', 0xe, &(0x7f0000000240)={[{}, {@errors_continue}, {@sb={'sb', 0x3d, 0xffff}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@block_validity}, {@noload}]}, 0x1, 0x443, &(0x7f00000063c0)="$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")
mount$incfs(&(0x7f00000001c0)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000040), 0x0, 0x0)
mount$incfs(&(0x7f0000000300)='./file0\x00', &(0x7f0000000400)='./file0\x00', &(0x7f0000000280), 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='./file0\x00', 0x0, 0x1)
r1 = openat$incfs(r0, &(0x7f0000000180)='.pending_reads\x00', 0x10b441, 0x0)
ioctl$INCFS_IOC_CREATE_FILE(r1, 0xc058671e, &(0x7f0000000080)={{'\x00', 0x3}, {0x5}, 0x6, 0x0, 0x0, 0x0, &(0x7f0000000240)='\xe9\x1fq\x89Y\x1e\x923aK\x00', 0x0, 0xfffffcdf, 0x0, 0x0})
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing program (duration=34.16271235s, {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$ext4-mount$incfs-mount$incfs-openat-openat$incfs-ioctl$INCFS_IOC_CREATE_FILE-mkdir-mount$incfs
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000200)='ext4\x00', &(0x7f0000000000)='./bus\x00', 0xe, &(0x7f0000000240)={[{}, {@errors_continue}, {@sb={'sb', 0x3d, 0xffff}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@block_validity}, {@noload}]}, 0x1, 0x443, &(0x7f00000063c0)="$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")
mount$incfs(&(0x7f00000001c0)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000040), 0x0, 0x0)
mount$incfs(&(0x7f0000000300)='./file0\x00', &(0x7f0000000400)='./file0\x00', &(0x7f0000000280), 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='./file0\x00', 0x0, 0x1)
r1 = openat$incfs(r0, &(0x7f0000000180)='.pending_reads\x00', 0x10b441, 0x0)
ioctl$INCFS_IOC_CREATE_FILE(r1, 0xc058671e, &(0x7f0000000080)={{'\x00', 0x3}, {0x5}, 0x6, 0x0, 0x0, 0x0, &(0x7f0000000240)='\xe9\x1fq\x89Y\x1e\x923aK\x00', 0x0, 0xfffffcdf, 0x0, 0x0})
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing program (duration=34.16271235s, {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$ext4-mount$incfs-mount$incfs-openat-openat$incfs-ioctl$INCFS_IOC_CREATE_FILE-mkdir
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000200)='ext4\x00', &(0x7f0000000000)='./bus\x00', 0xe, &(0x7f0000000240)={[{}, {@errors_continue}, {@sb={'sb', 0x3d, 0xffff}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@block_validity}, {@noload}]}, 0x1, 0x443, &(0x7f00000063c0)="$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")
mount$incfs(&(0x7f00000001c0)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000040), 0x0, 0x0)
mount$incfs(&(0x7f0000000300)='./file0\x00', &(0x7f0000000400)='./file0\x00', &(0x7f0000000280), 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='./file0\x00', 0x0, 0x1)
r1 = openat$incfs(r0, &(0x7f0000000180)='.pending_reads\x00', 0x10b441, 0x0)
ioctl$INCFS_IOC_CREATE_FILE(r1, 0xc058671e, &(0x7f0000000080)={{'\x00', 0x3}, {0x5}, 0x6, 0x0, 0x0, 0x0, &(0x7f0000000240)='\xe9\x1fq\x89Y\x1e\x923aK\x00', 0x0, 0xfffffcdf, 0x0, 0x0})
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)

program did not crash
testing program (duration=34.16271235s, {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$ext4-mount$incfs-mount$incfs-openat-openat$incfs-ioctl$INCFS_IOC_CREATE_FILE-mount$incfs
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000200)='ext4\x00', &(0x7f0000000000)='./bus\x00', 0xe, &(0x7f0000000240)={[{}, {@errors_continue}, {@sb={'sb', 0x3d, 0xffff}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@block_validity}, {@noload}]}, 0x1, 0x443, &(0x7f00000063c0)="$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")
mount$incfs(&(0x7f00000001c0)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000040), 0x0, 0x0)
mount$incfs(&(0x7f0000000300)='./file0\x00', &(0x7f0000000400)='./file0\x00', &(0x7f0000000280), 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='./file0\x00', 0x0, 0x1)
r1 = openat$incfs(r0, &(0x7f0000000180)='.pending_reads\x00', 0x10b441, 0x0)
ioctl$INCFS_IOC_CREATE_FILE(r1, 0xc058671e, &(0x7f0000000080)={{'\x00', 0x3}, {0x5}, 0x6, 0x0, 0x0, 0x0, &(0x7f0000000240)='\xe9\x1fq\x89Y\x1e\x923aK\x00', 0x0, 0xfffffcdf, 0x0, 0x0})
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing program (duration=34.16271235s, {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$ext4-mount$incfs-mount$incfs-openat-openat$incfs-mount$incfs
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000200)='ext4\x00', &(0x7f0000000000)='./bus\x00', 0xe, &(0x7f0000000240)={[{}, {@errors_continue}, {@sb={'sb', 0x3d, 0xffff}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@block_validity}, {@noload}]}, 0x1, 0x443, &(0x7f00000063c0)="$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")
mount$incfs(&(0x7f00000001c0)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000040), 0x0, 0x0)
mount$incfs(&(0x7f0000000300)='./file0\x00', &(0x7f0000000400)='./file0\x00', &(0x7f0000000280), 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000003c0)='./file0\x00', 0x0, 0x1)
openat$incfs(r0, &(0x7f0000000180)='.pending_reads\x00', 0x10b441, 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing program (duration=34.16271235s, {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$ext4-mount$incfs-mount$incfs-openat-mount$incfs
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000200)='ext4\x00', &(0x7f0000000000)='./bus\x00', 0xe, &(0x7f0000000240)={[{}, {@errors_continue}, {@sb={'sb', 0x3d, 0xffff}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@block_validity}, {@noload}]}, 0x1, 0x443, &(0x7f00000063c0)="$eJzs28tvG0UYAPBv10lK+iAByqMPIFAQEY+kSQv0wAUEUg8gIcGhHEOSVqVug5og0SqCgFA5okrcEUck/gJOcEHACYkr3FGlCuXSwslo7d3Ycew0SZ244N9P2nZmd635Ps+OPbsTB9CzRrJ/koi9EfF7RAzVqqtPGKn9d3N5cfrv5cXpJCqVt/5KqufdWF6cLk4tXrcnr4ymEelnSRxq0e78pcvnpsrl2Yt5fXzh/Pvj85cuP3f2/NSZ2TOzFyZPnDh+bOLFFyaf70ieWUw3Dn40d/jAyXeuvjF96uq7P3+bFPk35dEhI+sdfLJS6XBz3bWvoZz0dTEQNqUUEVl39VfH/1CUot55Q/Hap10NDthWlUqlsqf94aUK8D+WRLcjALqj+KLP7n+LbYemHneE6y/XboCyvG/mW+1IX6T5Of1N97edNBIRp5b++SrbYnueQwAArPJ9Nv95ttX8L40HGs67O18bGo6IeyLi3oi4LyL2R8T9EdVzH4yIhzbZfvMiydr5T3ptS4ltUDb/eylf28q2XVHPPzdcymv7qvn3J6fPlmeP5u/JaPTvyuoT67Txw6u/fdHuWOP8L9uyGIq5YB7Htb5dq18zM7UwdTs5N7r+ScTBvnr+9flvsrISkETEgYg4uMU2zj79zeF2x26d/zo6sM5U+TriqVr/L0VT/oVk/fXJ8buiPHt0vLgq1vrl1ytvtmt/Jf+TgxGbzb8Dsv7fHa37PzecNK7Xzm++jSt/fN7inqY2vrZ6/Q8kb1fLA/m+D6cWFi5ORAwkr9eCbtw/WX9tUS/Oz/IfPdIq/7T6GVe8E4ciIruIH46IRyLi0Tz2xyLi8Yg4sk7+P73yxHvtjt3W9d8BWf4zm+r/emEgmve0LpTO/fjdqkaH2+dfilb9f7xaGs33bOTzbyNxbe1qBgAAgP+eNCL2RpKOrZTTdGys9vfy+2N3Wp6bX3jm9NwHF2ZqvxEYjv60eNI11PA8dCK/rS/qk031Y/lz4y9Lg9X62PRceabbyUOP29Nm/Gf+LHU7OmDb+b0W9C7jH3qX8Q+9y/iH3tVi/A92Iw5g57X6/v+4C3EAO69p/Fv2gx7i/h96l/EPvcv4h540Pxi3/pG8gsKaQqR3RBgK21To9icTAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAZ/wbAAD//8DJ4Ow=")
mount$incfs(&(0x7f00000001c0)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000040), 0x0, 0x0)
mount$incfs(&(0x7f0000000300)='./file0\x00', &(0x7f0000000400)='./file0\x00', &(0x7f0000000280), 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000003c0)='./file0\x00', 0x0, 0x1)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing program (duration=34.16271235s, {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$ext4-mount$incfs-mount$incfs-mount$incfs
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000200)='ext4\x00', &(0x7f0000000000)='./bus\x00', 0xe, &(0x7f0000000240)={[{}, {@errors_continue}, {@sb={'sb', 0x3d, 0xffff}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@block_validity}, {@noload}]}, 0x1, 0x443, &(0x7f00000063c0)="$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")
mount$incfs(&(0x7f00000001c0)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000040), 0x0, 0x0)
mount$incfs(&(0x7f0000000300)='./file0\x00', &(0x7f0000000400)='./file0\x00', &(0x7f0000000280), 0x0, 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing program (duration=34.16271235s, {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$ext4-mount$incfs-mount$incfs
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000200)='ext4\x00', &(0x7f0000000000)='./bus\x00', 0xe, &(0x7f0000000240)={[{}, {@errors_continue}, {@sb={'sb', 0x3d, 0xffff}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@block_validity}, {@noload}]}, 0x1, 0x443, &(0x7f00000063c0)="$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")
mount$incfs(&(0x7f00000001c0)='./file0\x00', &(0x7f0000000140)='./file0\x00', &(0x7f0000000040), 0x0, 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing program (duration=34.16271235s, {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$ext4-mount$incfs
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000200)='ext4\x00', &(0x7f0000000000)='./bus\x00', 0xe, &(0x7f0000000240)={[{}, {@errors_continue}, {@sb={'sb', 0x3d, 0xffff}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@block_validity}, {@noload}]}, 0x1, 0x443, &(0x7f00000063c0)="$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")
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing program (duration=34.16271235s, {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}}): mount$incfs
detailed listing:
executing program 0:
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)

program did not crash
testing program (duration=34.16271235s, {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$ext4-mount$incfs
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000200)='ext4\x00', &(0x7f0000000000)='./bus\x00', 0xe, &(0x7f0000000240)={[{}, {@errors_continue}, {@sb={'sb', 0x3d, 0xffff}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@block_validity}, {@noload}]}, 0x1, 0x443, &(0x7f00000063c0)="$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")
mount$incfs(0x0, &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)

program did not crash
testing program (duration=34.16271235s, {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$ext4-mount$incfs
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000200)='ext4\x00', &(0x7f0000000000)='./bus\x00', 0xe, &(0x7f0000000240)={[{}, {@errors_continue}, {@sb={'sb', 0x3d, 0xffff}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@block_validity}, {@noload}]}, 0x1, 0x443, &(0x7f00000063c0)="$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")
mount$incfs(&(0x7f00000007c0)='.\x00', 0x0, &(0x7f0000000840), 0x1004002, 0x0)

program did not crash
testing program (duration=34.16271235s, {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$ext4-mount$incfs
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000200)='ext4\x00', &(0x7f0000000000)='./bus\x00', 0xe, &(0x7f0000000240)={[{}, {@errors_continue}, {@sb={'sb', 0x3d, 0xffff}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@block_validity}, {@noload}]}, 0x1, 0x443, &(0x7f00000063c0)="$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")
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', 0x0, 0x1004002, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=34.16271235s, {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$ext4-mount$incfs
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
simplifying C reproducer
testing compiled C program (duration=34.16271235s, {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$ext4-mount$incfs
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=34.16271235s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs
program did not crash
testing compiled C program (duration=34.16271235s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=34.16271235s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs
program did not crash
testing compiled C program (duration=34.16271235s, {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: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$ext4-mount$incfs
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=34.16271235s, {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: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$ext4-mount$incfs
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=34.16271235s, {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: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$ext4-mount$incfs
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=34.16271235s, {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: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$ext4-mount$incfs
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=34.16271235s, {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: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$ext4-mount$incfs
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=34.16271235s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=34.16271235s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs
program did not crash
testing compiled C program (duration=34.16271235s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=34.16271235s, {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:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=34.16271235s, {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:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing program (duration=34.16271235s, {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:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000200)='ext4\x00', &(0x7f0000000000)='./bus\x00', 0xe, &(0x7f0000000240)={[{}, {@errors_continue}, {@sb={'sb', 0x3d, 0xffff}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@block_validity}, {@noload}]}, 0x1, 0x443, &(0x7f00000063c0)="$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")
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
validation run: crashed=true
testing program (duration=34.16271235s, {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:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000200)='ext4\x00', &(0x7f0000000000)='./bus\x00', 0xe, &(0x7f0000000240)={[{}, {@errors_continue}, {@sb={'sb', 0x3d, 0xffff}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@block_validity}, {@noload}]}, 0x1, 0x443, &(0x7f00000063c0)="$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")
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
validation run: crashed=true
testing program (duration=34.16271235s, {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:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$ext4-mount$incfs
detailed listing:
executing program 0:
syz_mount_image$ext4(&(0x7f0000000200)='ext4\x00', &(0x7f0000000000)='./bus\x00', 0xe, &(0x7f0000000240)={[{}, {@errors_continue}, {@sb={'sb', 0x3d, 0xffff}}, {@debug_want_extra_isize={'debug_want_extra_isize', 0x3d, 0x80}}, {@block_validity}, {@noload}]}, 0x1, 0x443, &(0x7f00000063c0)="$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")
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
validation run: crashed=true
reproducing took 25m56.352042108s
repro crashed as (corrupted=false):
R13: 00007f21c0a32120 R14: 00000000000076f0 R15: 00007fffbc0b3f10
 </TASK>
---[ end trace 0000000000000000 ]---
==================================================================
BUG: KASAN: null-ptr-deref in instrument_atomic_read_write include/linux/instrumented.h:102 [inline]
BUG: KASAN: null-ptr-deref in atomic_inc_return include/linux/atomic/atomic-instrumented.h:198 [inline]
BUG: KASAN: null-ptr-deref in ihold+0x20/0x60 fs/inode.c:455
Write of size 4 at addr 0000000000000170 by task syz-executor/371

CPU: 0 PID: 371 Comm: syz-executor Tainted: G        W          syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_report+0x3d/0x60 mm/kasan/report.c:423
 kasan_report+0x122/0x150 mm/kasan/report.c:524
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x249/0x2a0 mm/kasan/generic.c:189
 __kasan_check_write+0x14/0x20 mm/kasan/shadow.c:37
 instrument_atomic_read_write include/linux/instrumented.h:102 [inline]
 atomic_inc_return include/linux/atomic/atomic-instrumented.h:198 [inline]
 ihold+0x20/0x60 fs/inode.c:455
 d_delete_notify include/linux/fsnotify.h:289 [inline]
 vfs_rmdir+0x25f/0x500 fs/namei.c:4211
 incfs_kill_sb+0x105/0x220 fs/incfs/vfs.c:1995
 deactivate_locked_super+0xb5/0x120 fs/super.c:336
 deactivate_super+0xaf/0xe0 fs/super.c:367
 cleanup_mnt+0x474/0x500 fs/namespace.c:1192
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1199
 task_work_run+0x1e1/0x250 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177
 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: 0033:0x7f21c099e017
Code: a2 c7 05 dc 06 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007fffbc0b2d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f21c099e017
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffbc0b2e40
RBP: 00007fffbc0b2e40 R08: 00007fffbc0b3e40 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffbc0b3ed0
R13: 00007f21c0a32120 R14: 00000000000076f0 R15: 00007fffbc0b3f10
 </TASK>
==================================================================
BUG: kernel NULL pointer dereference, address: 0000000000000170
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 12cdcb067 P4D 12cdcb067 PUD 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 371 Comm: syz-executor Tainted: G    B   W          syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:arch_atomic_add_return arch/x86/include/asm/atomic.h:165 [inline]
RIP: 0010:arch_atomic_inc_return include/linux/atomic/atomic-arch-fallback.h:440 [inline]
RIP: 0010:atomic_inc_return include/linux/atomic/atomic-instrumented.h:199 [inline]
RIP: 0010:ihold+0x26/0x60 fs/inode.c:455
Code: 33 36 7c df 55 48 89 e5 41 56 53 48 89 fb e8 71 05 ab ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 10 a3 f0 ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 70 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 61
RSP: 0018:ffffc90000987c78 EFLAGS: 00010246
RAX: ffff8881147a3c00 RBX: 0000000000000000 RCX: ffff8881147a3cc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000987c88 R08: ffffffff87b757e7 R09: 1ffffffff0f6eafc
R10: dffffc0000000000 R11: fffffbfff0f6eafd R12: ffff88810b81ea24
R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  000055556697b500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000170 CR3: 000000012cecb000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 d_delete_notify include/linux/fsnotify.h:289 [inline]
 vfs_rmdir+0x25f/0x500 fs/namei.c:4211
 incfs_kill_sb+0x105/0x220 fs/incfs/vfs.c:1995
 deactivate_locked_super+0xb5/0x120 fs/super.c:336
 deactivate_super+0xaf/0xe0 fs/super.c:367
 cleanup_mnt+0x474/0x500 fs/namespace.c:1192
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1199
 task_work_run+0x1e1/0x250 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177
 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: 0033:0x7f21c099e017
Code: a2 c7 05 dc 06 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007fffbc0b2d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f21c099e017
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffbc0b2e40
RBP: 00007fffbc0b2e40 R08: 00007fffbc0b3e40 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffbc0b3ed0
R13: 00007f21c0a32120 R14: 00000000000076f0 R15: 00007fffbc0b3f10
 </TASK>
Modules linked in:
CR2: 0000000000000170
---[ end trace 0000000000000000 ]---
RIP: 0010:arch_atomic_add_return arch/x86/include/asm/atomic.h:165 [inline]
RIP: 0010:arch_atomic_inc_return include/linux/atomic/atomic-arch-fallback.h:440 [inline]
RIP: 0010:atomic_inc_return include/linux/atomic/atomic-instrumented.h:199 [inline]
RIP: 0010:ihold+0x26/0x60 fs/inode.c:455
Code: 33 36 7c df 55 48 89 e5 41 56 53 48 89 fb e8 71 05 ab ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 10 a3 f0 ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 70 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 61
RSP: 0018:ffffc90000987c78 EFLAGS: 00010246
RAX: ffff8881147a3c00 RBX: 0000000000000000 RCX: ffff8881147a3cc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000987c88 R08: ffffffff87b757e7 R09: 1ffffffff0f6eafc
R10: dffffc0000000000 R11: fffffbfff0f6eafd R12: ffff88810b81ea24
R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  000055556697b500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000170 CR3: 000000012cecb000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	33 36                	xor    (%rsi),%esi
   2:	7c df                	jl     0xffffffe3
   4:	55                   	push   %rbp
   5:	48 89 e5             	mov    %rsp,%rbp
   8:	41 56                	push   %r14
   a:	53                   	push   %rbx
   b:	48 89 fb             	mov    %rdi,%rbx
   e:	e8 71 05 ab ff       	call   0xffab0584
  13:	48 8d bb 70 01 00 00 	lea    0x170(%rbx),%rdi
  1a:	be 04 00 00 00       	mov    $0x4,%esi
  1f:	e8 10 a3 f0 ff       	call   0xfff0a334
  24:	41 be 01 00 00 00    	mov    $0x1,%r14d
* 2a:	f0 44 0f c1 b3 70 01 	lock xadd %r14d,0x170(%rbx) <-- trapping instruction
  31:	00 00
  33:	41 ff c6             	inc    %r14d
  36:	bf 02 00 00 00       	mov    $0x2,%edi
  3b:	44 89 f6             	mov    %r14d,%esi
  3e:	e8                   	.byte 0xe8
  3f:	61                   	(bad)

final repro crashed as (corrupted=false):
R13: 00007f21c0a32120 R14: 00000000000076f0 R15: 00007fffbc0b3f10
 </TASK>
---[ end trace 0000000000000000 ]---
==================================================================
BUG: KASAN: null-ptr-deref in instrument_atomic_read_write include/linux/instrumented.h:102 [inline]
BUG: KASAN: null-ptr-deref in atomic_inc_return include/linux/atomic/atomic-instrumented.h:198 [inline]
BUG: KASAN: null-ptr-deref in ihold+0x20/0x60 fs/inode.c:455
Write of size 4 at addr 0000000000000170 by task syz-executor/371

CPU: 0 PID: 371 Comm: syz-executor Tainted: G        W          syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x24 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_report+0x3d/0x60 mm/kasan/report.c:423
 kasan_report+0x122/0x150 mm/kasan/report.c:524
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x249/0x2a0 mm/kasan/generic.c:189
 __kasan_check_write+0x14/0x20 mm/kasan/shadow.c:37
 instrument_atomic_read_write include/linux/instrumented.h:102 [inline]
 atomic_inc_return include/linux/atomic/atomic-instrumented.h:198 [inline]
 ihold+0x20/0x60 fs/inode.c:455
 d_delete_notify include/linux/fsnotify.h:289 [inline]
 vfs_rmdir+0x25f/0x500 fs/namei.c:4211
 incfs_kill_sb+0x105/0x220 fs/incfs/vfs.c:1995
 deactivate_locked_super+0xb5/0x120 fs/super.c:336
 deactivate_super+0xaf/0xe0 fs/super.c:367
 cleanup_mnt+0x474/0x500 fs/namespace.c:1192
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1199
 task_work_run+0x1e1/0x250 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177
 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: 0033:0x7f21c099e017
Code: a2 c7 05 dc 06 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007fffbc0b2d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f21c099e017
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffbc0b2e40
RBP: 00007fffbc0b2e40 R08: 00007fffbc0b3e40 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffbc0b3ed0
R13: 00007f21c0a32120 R14: 00000000000076f0 R15: 00007fffbc0b3f10
 </TASK>
==================================================================
BUG: kernel NULL pointer dereference, address: 0000000000000170
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 12cdcb067 P4D 12cdcb067 PUD 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 371 Comm: syz-executor Tainted: G    B   W          syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:arch_atomic_add_return arch/x86/include/asm/atomic.h:165 [inline]
RIP: 0010:arch_atomic_inc_return include/linux/atomic/atomic-arch-fallback.h:440 [inline]
RIP: 0010:atomic_inc_return include/linux/atomic/atomic-instrumented.h:199 [inline]
RIP: 0010:ihold+0x26/0x60 fs/inode.c:455
Code: 33 36 7c df 55 48 89 e5 41 56 53 48 89 fb e8 71 05 ab ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 10 a3 f0 ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 70 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 61
RSP: 0018:ffffc90000987c78 EFLAGS: 00010246
RAX: ffff8881147a3c00 RBX: 0000000000000000 RCX: ffff8881147a3cc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000987c88 R08: ffffffff87b757e7 R09: 1ffffffff0f6eafc
R10: dffffc0000000000 R11: fffffbfff0f6eafd R12: ffff88810b81ea24
R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  000055556697b500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000170 CR3: 000000012cecb000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 d_delete_notify include/linux/fsnotify.h:289 [inline]
 vfs_rmdir+0x25f/0x500 fs/namei.c:4211
 incfs_kill_sb+0x105/0x220 fs/incfs/vfs.c:1995
 deactivate_locked_super+0xb5/0x120 fs/super.c:336
 deactivate_super+0xaf/0xe0 fs/super.c:367
 cleanup_mnt+0x474/0x500 fs/namespace.c:1192
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1199
 task_work_run+0x1e1/0x250 kernel/task_work.c:203
 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline]
 exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177
 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: 0033:0x7f21c099e017
Code: a2 c7 05 dc 06 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007fffbc0b2d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f21c099e017
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffbc0b2e40
RBP: 00007fffbc0b2e40 R08: 00007fffbc0b3e40 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffbc0b3ed0
R13: 00007f21c0a32120 R14: 00000000000076f0 R15: 00007fffbc0b3f10
 </TASK>
Modules linked in:
CR2: 0000000000000170
---[ end trace 0000000000000000 ]---
RIP: 0010:arch_atomic_add_return arch/x86/include/asm/atomic.h:165 [inline]
RIP: 0010:arch_atomic_inc_return include/linux/atomic/atomic-arch-fallback.h:440 [inline]
RIP: 0010:atomic_inc_return include/linux/atomic/atomic-instrumented.h:199 [inline]
RIP: 0010:ihold+0x26/0x60 fs/inode.c:455
Code: 33 36 7c df 55 48 89 e5 41 56 53 48 89 fb e8 71 05 ab ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 10 a3 f0 ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 70 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 61
RSP: 0018:ffffc90000987c78 EFLAGS: 00010246
RAX: ffff8881147a3c00 RBX: 0000000000000000 RCX: ffff8881147a3cc0
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90000987c88 R08: ffffffff87b757e7 R09: 1ffffffff0f6eafc
R10: dffffc0000000000 R11: fffffbfff0f6eafd R12: ffff88810b81ea24
R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  000055556697b500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000170 CR3: 000000012cecb000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	33 36                	xor    (%rsi),%esi
   2:	7c df                	jl     0xffffffe3
   4:	55                   	push   %rbp
   5:	48 89 e5             	mov    %rsp,%rbp
   8:	41 56                	push   %r14
   a:	53                   	push   %rbx
   b:	48 89 fb             	mov    %rdi,%rbx
   e:	e8 71 05 ab ff       	call   0xffab0584
  13:	48 8d bb 70 01 00 00 	lea    0x170(%rbx),%rdi
  1a:	be 04 00 00 00       	mov    $0x4,%esi
  1f:	e8 10 a3 f0 ff       	call   0xfff0a334
  24:	41 be 01 00 00 00    	mov    $0x1,%r14d
* 2a:	f0 44 0f c1 b3 70 01 	lock xadd %r14d,0x170(%rbx) <-- trapping instruction
  31:	00 00
  33:	41 ff c6             	inc    %r14d
  36:	bf 02 00 00 00       	mov    $0x2,%edi
  3b:	44 89 f6             	mov    %r14d,%esi
  3e:	e8                   	.byte 0xe8
  3f:	61                   	(bad)