Extracting prog: 1m14.542962281s
Minimizing prog: 13m8.246732672s
Simplifying prog options: 0s
Extracting C: 31.596786458s
Simplifying C: 12m30.590096035s
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount$tmpfs-chdir-mkdir-mount$incfs-mount$bind-mount$bind
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000000))
mount$tmpfs(0x0, 0x0, 0x0, 0x0, 0x0)
chdir(0x0)
mkdir(0x0, 0x0)
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000040), 0x1000408, 0x0)
mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)
mount$bind(&(0x7f0000000300)='./file0/file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x81105a, 0x0)
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
single: successfully extracted reproducer
found reproducer with 7 syscalls
minimizing guilty program
testing program (duration=33.479139603s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount$tmpfs-chdir-mkdir-mount$incfs-mount$bind
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000000))
mount$tmpfs(0x0, 0x0, 0x0, 0x0, 0x0)
chdir(0x0)
mkdir(0x0, 0x0)
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000040), 0x1000408, 0x0)
mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)
program did not crash
testing program (duration=33.479139603s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount$tmpfs-chdir-mkdir-mount$incfs-mount$bind
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000000))
mount$tmpfs(0x0, 0x0, 0x0, 0x0, 0x0)
chdir(0x0)
mkdir(0x0, 0x0)
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000040), 0x1000408, 0x0)
mount$bind(&(0x7f0000000300)='./file0/file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x81105a, 0x0)
program did not crash
testing program (duration=33.479139603s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount$tmpfs-chdir-mkdir-mount$bind-mount$bind
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000000))
mount$tmpfs(0x0, 0x0, 0x0, 0x0, 0x0)
chdir(0x0)
mkdir(0x0, 0x0)
mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)
mount$bind(&(0x7f0000000300)='./file0/file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x81105a, 0x0)
program did not crash
testing program (duration=33.479139603s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount$tmpfs-chdir-mount$incfs-mount$bind-mount$bind
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000000))
mount$tmpfs(0x0, 0x0, 0x0, 0x0, 0x0)
chdir(0x0)
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000040), 0x1000408, 0x0)
mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)
mount$bind(&(0x7f0000000300)='./file0/file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x81105a, 0x0)
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing program (duration=33.479139603s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount$tmpfs-mount$incfs-mount$bind-mount$bind
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000000))
mount$tmpfs(0x0, 0x0, 0x0, 0x0, 0x0)
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000040), 0x1000408, 0x0)
mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)
mount$bind(&(0x7f0000000300)='./file0/file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x81105a, 0x0)
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing program (duration=33.479139603s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount$incfs-mount$bind-mount$bind
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000000))
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000040), 0x1000408, 0x0)
mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)
mount$bind(&(0x7f0000000300)='./file0/file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x81105a, 0x0)
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing program (duration=33.479139603s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount$incfs-mount$bind-mount$bind
detailed listing:
executing program 0:
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000040), 0x1000408, 0x0)
mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)
mount$bind(&(0x7f0000000300)='./file0/file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x81105a, 0x0)
program did not crash
testing program (duration=33.479139603s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount$incfs-mount$bind-mount$bind
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000000))
mount$incfs(0x0, &(0x7f00000000c0)='./file0\x00', &(0x7f0000000040), 0x1000408, 0x0)
mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)
mount$bind(&(0x7f0000000300)='./file0/file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x81105a, 0x0)
program did not crash
testing program (duration=33.479139603s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount$incfs-mount$bind-mount$bind
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000000))
mount$incfs(&(0x7f0000000140)='./file0\x00', 0x0, &(0x7f0000000040), 0x1000408, 0x0)
mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)
mount$bind(&(0x7f0000000300)='./file0/file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x81105a, 0x0)
program did not crash
testing program (duration=33.479139603s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount$incfs-mount$bind-mount$bind
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000000))
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f00000000c0)='./file0\x00', 0x0, 0x1000408, 0x0)
mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)
mount$bind(&(0x7f0000000300)='./file0/file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x81105a, 0x0)
program did not crash
testing program (duration=33.479139603s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount$incfs-mount$bind-mount$bind
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000000))
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000040), 0x1000408, 0x0)
mount$bind(0x0, &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)
mount$bind(&(0x7f0000000300)='./file0/file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x81105a, 0x0)
program did not crash
testing program (duration=33.479139603s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount$incfs-mount$bind-mount$bind
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000000))
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000040), 0x1000408, 0x0)
mount$bind(&(0x7f00000002c0)='.\x00', 0x0, 0x0, 0x101091, 0x0)
mount$bind(&(0x7f0000000300)='./file0/file0\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x81105a, 0x0)
program did not crash
testing program (duration=33.479139603s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount$incfs-mount$bind-mount$bind
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000000))
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000040), 0x1000408, 0x0)
mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)
mount$bind(0x0, &(0x7f0000000340)='./file0/file0\x00', 0x0, 0x81105a, 0x0)
program did not crash
testing program (duration=33.479139603s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount$incfs-mount$bind-mount$bind
detailed listing:
executing program 0:
syz_mount_image$vfat(&(0x7f0000000000), &(0x7f0000000100)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000000))
mount$incfs(&(0x7f0000000140)='./file0\x00', &(0x7f00000000c0)='./file0\x00', &(0x7f0000000040), 0x1000408, 0x0)
mount$bind(&(0x7f00000002c0)='.\x00', &(0x7f0000000200)='./file0/../file0\x00', 0x0, 0x101091, 0x0)
mount$bind(&(0x7f0000000300)='./file0/file0\x00', 0x0, 0x0, 0x81105a, 0x0)
program did not crash
extracting C reproducer
testing compiled C program (duration=33.479139603s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount$incfs-mount$bind-mount$bind
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
simplifying C reproducer
testing compiled C program (duration=33.479139603s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount$incfs-mount$bind-mount$bind
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=33.479139603s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount$incfs-mount$bind-mount$bind
program did not crash
testing compiled C program (duration=33.479139603s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount$incfs-mount$bind-mount$bind
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=33.479139603s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount$incfs-mount$bind-mount$bind
program did not crash
testing compiled C program (duration=33.479139603s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount$incfs-mount$bind-mount$bind
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=33.479139603s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount$incfs-mount$bind-mount$bind
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=33.479139603s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount$incfs-mount$bind-mount$bind
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=33.479139603s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount$incfs-mount$bind-mount$bind
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=33.479139603s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount$incfs-mount$bind-mount$bind
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=33.479139603s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount$incfs-mount$bind-mount$bind
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=33.479139603s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount$incfs-mount$bind-mount$bind
program did not crash
testing compiled C program (duration=33.479139603s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount$incfs-mount$bind-mount$bind
program did not crash
testing compiled C program (duration=33.479139603s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount$incfs-mount$bind-mount$bind
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=33.479139603s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$vfat-mount$incfs-mount$bind-mount$bind
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
reproducing took 27m24.976599148s
repro crashed as (corrupted=false):
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007efed27c9370 R08: ffffffffffffffb8 R09: 0000000000000000
R10: 0000000000001000 R11: 0000000000000246 R12: 00007efed27c9370
R13: 0000000000000000 R14: 00007efed27c9dc0 R15: 00007efed271acf0
---[ end trace edde17a1aa7b2ed3 ]---
==================================================================
BUG: KASAN: null-ptr-deref in instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
BUG: KASAN: null-ptr-deref in atomic_inc_return include/asm-generic/atomic-instrumented.h:250 [inline]
BUG: KASAN: null-ptr-deref in ihold+0x20/0x60 fs/inode.c:423
Write of size 4 at addr 0000000000000170 by task syz-executor141/285
CPU: 1 PID: 285 Comm: syz-executor141 Tainted: G W 5.10.234-syzkaller-00033-g094fc3778d6b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack_lvl+0x1e2/0x24b lib/dump_stack.c:118
__kasan_report mm/kasan/report.c:439 [inline]
kasan_report+0x167/0x1c0 mm/kasan/report.c:452
check_region_inline mm/kasan/generic.c:-1 [inline]
kasan_check_range+0x293/0x2a0 mm/kasan/generic.c:189
__kasan_check_write+0x14/0x20 mm/kasan/shadow.c:37
instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
atomic_inc_return include/asm-generic/atomic-instrumented.h:250 [inline]
ihold+0x20/0x60 fs/inode.c:423
d_delete_notify include/linux/fsnotify.h:264 [inline]
vfs_rmdir+0x200/0x3f0 fs/namei.c:3865
incfs_kill_sb+0x108/0x220 fs/incfs/vfs.c:1973
deactivate_locked_super+0xad/0x110 fs/super.c:335
deactivate_super+0xbe/0xf0 fs/super.c:366
cleanup_mnt+0x45c/0x510 fs/namespace.c:1118
__cleanup_mnt+0x19/0x20 fs/namespace.c:1125
task_work_run+0x129/0x190 kernel/task_work.c:189
exit_task_work include/linux/task_work.h:33 [inline]
do_exit+0xc83/0x2a50 kernel/exit.c:863
do_group_exit+0x141/0x310 kernel/exit.c:985
__do_sys_exit_group kernel/exit.c:996 [inline]
__se_sys_exit_group kernel/exit.c:994 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:994
do_syscall_64+0x34/0x70 arch/x86/entry/common.c:-1
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7efed274cf89
Code: Unable to access opcode bytes at RIP 0x7efed274cf5f.
RSP: 002b:00007ffd96ecbc28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007efed274cf89
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007efed27c9370 R08: ffffffffffffffb8 R09: 0000000000000000
R10: 0000000000001000 R11: 0000000000000246 R12: 00007efed27c9370
R13: 0000000000000000 R14: 00007efed27c9dc0 R15: 00007efed271acf0
==================================================================
BUG: kernel NULL pointer dereference, address: 0000000000000170
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 0 P4D 0
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 285 Comm: syz-executor141 Tainted: G B W 5.10.234-syzkaller-00033-g094fc3778d6b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:arch_atomic_add_return include/linux/instrumented.h:-1 [inline]
RIP: 0010:arch_atomic_inc_return include/linux/atomic-arch-fallback.h:286 [inline]
RIP: 0010:atomic_inc_return include/asm-generic/atomic-instrumented.h:251 [inline]
RIP: 0010:ihold+0x25/0x60 fs/inode.c:423
Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 21 22 b3 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 50 c3 f0 ff bb 01 00 00 00 <f0> 41 0f c1 9e 70 01 00 00 ff c3 bf 02 00 00 00 89 de e8 a4 25 b3
RSP: 0018:ffffc90000af7b48 EFLAGS: 00010246
RAX: ffff888120631300 RBX: 0000000000000001 RCX: ffff8881206313c0
RDX: 0000000000000000 RSI: 0000000000000286 RDI: 00000000ffffffff
RBP: ffffc90000af7b58 R08: ffffffff813e2b8b R09: 0000000000000003
R10: fffffbfff0e11248 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88811bf6a880 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000170 CR3: 000000000660f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
d_delete_notify include/linux/fsnotify.h:264 [inline]
vfs_rmdir+0x200/0x3f0 fs/namei.c:3865
incfs_kill_sb+0x108/0x220 fs/incfs/vfs.c:1973
deactivate_locked_super+0xad/0x110 fs/super.c:335
deactivate_super+0xbe/0xf0 fs/super.c:366
cleanup_mnt+0x45c/0x510 fs/namespace.c:1118
__cleanup_mnt+0x19/0x20 fs/namespace.c:1125
task_work_run+0x129/0x190 kernel/task_work.c:189
exit_task_work include/linux/task_work.h:33 [inline]
do_exit+0xc83/0x2a50 kernel/exit.c:863
do_group_exit+0x141/0x310 kernel/exit.c:985
__do_sys_exit_group kernel/exit.c:996 [inline]
__se_sys_exit_group kernel/exit.c:994 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:994
do_syscall_64+0x34/0x70 arch/x86/entry/common.c:-1
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7efed274cf89
Code: Unable to access opcode bytes at RIP 0x7efed274cf5f.
RSP: 002b:00007ffd96ecbc28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007efed274cf89
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007efed27c9370 R08: ffffffffffffffb8 R09: 0000000000000000
R10: 0000000000001000 R11: 0000000000000246 R12: 00007efed27c9370
R13: 0000000000000000 R14: 00007efed27c9dc0 R15: 00007efed271acf0
Modules linked in:
CR2: 0000000000000170
---[ end trace edde17a1aa7b2ed4 ]---
RIP: 0010:arch_atomic_add_return include/linux/instrumented.h:-1 [inline]
RIP: 0010:arch_atomic_inc_return include/linux/atomic-arch-fallback.h:286 [inline]
RIP: 0010:atomic_inc_return include/asm-generic/atomic-instrumented.h:251 [inline]
RIP: 0010:ihold+0x25/0x60 fs/inode.c:423
Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 21 22 b3 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 50 c3 f0 ff bb 01 00 00 00 <f0> 41 0f c1 9e 70 01 00 00 ff c3 bf 02 00 00 00 89 de e8 a4 25 b3
RSP: 0018:ffffc90000af7b48 EFLAGS: 00010246
RAX: ffff888120631300 RBX: 0000000000000001 RCX: ffff8881206313c0
RDX: 0000000000000000 RSI: 0000000000000286 RDI: 00000000ffffffff
RBP: ffffc90000af7b58 R08: ffffffff813e2b8b R09: 0000000000000003
R10: fffffbfff0e11248 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88811bf6a880 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000170 CR3: 000000000660f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 00 00 add %al,(%rax)
4: 00 55 48 add %dl,0x48(%rbp)
7: 89 e5 mov %esp,%ebp
9: 41 56 push %r14
b: 53 push %rbx
c: 49 89 fe mov %rdi,%r14
f: e8 21 22 b3 ff call 0xffb32235
14: 49 8d be 70 01 00 00 lea 0x170(%r14),%rdi
1b: be 04 00 00 00 mov $0x4,%esi
20: e8 50 c3 f0 ff call 0xfff0c375
25: bb 01 00 00 00 mov $0x1,%ebx
* 2a: f0 41 0f c1 9e 70 01 lock xadd %ebx,0x170(%r14) <-- trapping instruction
31: 00 00
33: ff c3 inc %ebx
35: bf 02 00 00 00 mov $0x2,%edi
3a: 89 de mov %ebx,%esi
3c: e8 .byte 0xe8
3d: a4 movsb %ds:(%rsi),%es:(%rdi)
3e: 25 .byte 0x25
3f: b3 .byte 0xb3
final repro crashed as (corrupted=false):
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007efed27c9370 R08: ffffffffffffffb8 R09: 0000000000000000
R10: 0000000000001000 R11: 0000000000000246 R12: 00007efed27c9370
R13: 0000000000000000 R14: 00007efed27c9dc0 R15: 00007efed271acf0
---[ end trace edde17a1aa7b2ed3 ]---
==================================================================
BUG: KASAN: null-ptr-deref in instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
BUG: KASAN: null-ptr-deref in atomic_inc_return include/asm-generic/atomic-instrumented.h:250 [inline]
BUG: KASAN: null-ptr-deref in ihold+0x20/0x60 fs/inode.c:423
Write of size 4 at addr 0000000000000170 by task syz-executor141/285
CPU: 1 PID: 285 Comm: syz-executor141 Tainted: G W 5.10.234-syzkaller-00033-g094fc3778d6b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack_lvl+0x1e2/0x24b lib/dump_stack.c:118
__kasan_report mm/kasan/report.c:439 [inline]
kasan_report+0x167/0x1c0 mm/kasan/report.c:452
check_region_inline mm/kasan/generic.c:-1 [inline]
kasan_check_range+0x293/0x2a0 mm/kasan/generic.c:189
__kasan_check_write+0x14/0x20 mm/kasan/shadow.c:37
instrument_atomic_read_write include/linux/instrumented.h:101 [inline]
atomic_inc_return include/asm-generic/atomic-instrumented.h:250 [inline]
ihold+0x20/0x60 fs/inode.c:423
d_delete_notify include/linux/fsnotify.h:264 [inline]
vfs_rmdir+0x200/0x3f0 fs/namei.c:3865
incfs_kill_sb+0x108/0x220 fs/incfs/vfs.c:1973
deactivate_locked_super+0xad/0x110 fs/super.c:335
deactivate_super+0xbe/0xf0 fs/super.c:366
cleanup_mnt+0x45c/0x510 fs/namespace.c:1118
__cleanup_mnt+0x19/0x20 fs/namespace.c:1125
task_work_run+0x129/0x190 kernel/task_work.c:189
exit_task_work include/linux/task_work.h:33 [inline]
do_exit+0xc83/0x2a50 kernel/exit.c:863
do_group_exit+0x141/0x310 kernel/exit.c:985
__do_sys_exit_group kernel/exit.c:996 [inline]
__se_sys_exit_group kernel/exit.c:994 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:994
do_syscall_64+0x34/0x70 arch/x86/entry/common.c:-1
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7efed274cf89
Code: Unable to access opcode bytes at RIP 0x7efed274cf5f.
RSP: 002b:00007ffd96ecbc28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007efed274cf89
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007efed27c9370 R08: ffffffffffffffb8 R09: 0000000000000000
R10: 0000000000001000 R11: 0000000000000246 R12: 00007efed27c9370
R13: 0000000000000000 R14: 00007efed27c9dc0 R15: 00007efed271acf0
==================================================================
BUG: kernel NULL pointer dereference, address: 0000000000000170
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 0 P4D 0
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 285 Comm: syz-executor141 Tainted: G B W 5.10.234-syzkaller-00033-g094fc3778d6b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:arch_atomic_add_return include/linux/instrumented.h:-1 [inline]
RIP: 0010:arch_atomic_inc_return include/linux/atomic-arch-fallback.h:286 [inline]
RIP: 0010:atomic_inc_return include/asm-generic/atomic-instrumented.h:251 [inline]
RIP: 0010:ihold+0x25/0x60 fs/inode.c:423
Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 21 22 b3 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 50 c3 f0 ff bb 01 00 00 00 <f0> 41 0f c1 9e 70 01 00 00 ff c3 bf 02 00 00 00 89 de e8 a4 25 b3
RSP: 0018:ffffc90000af7b48 EFLAGS: 00010246
RAX: ffff888120631300 RBX: 0000000000000001 RCX: ffff8881206313c0
RDX: 0000000000000000 RSI: 0000000000000286 RDI: 00000000ffffffff
RBP: ffffc90000af7b58 R08: ffffffff813e2b8b R09: 0000000000000003
R10: fffffbfff0e11248 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88811bf6a880 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000170 CR3: 000000000660f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
d_delete_notify include/linux/fsnotify.h:264 [inline]
vfs_rmdir+0x200/0x3f0 fs/namei.c:3865
incfs_kill_sb+0x108/0x220 fs/incfs/vfs.c:1973
deactivate_locked_super+0xad/0x110 fs/super.c:335
deactivate_super+0xbe/0xf0 fs/super.c:366
cleanup_mnt+0x45c/0x510 fs/namespace.c:1118
__cleanup_mnt+0x19/0x20 fs/namespace.c:1125
task_work_run+0x129/0x190 kernel/task_work.c:189
exit_task_work include/linux/task_work.h:33 [inline]
do_exit+0xc83/0x2a50 kernel/exit.c:863
do_group_exit+0x141/0x310 kernel/exit.c:985
__do_sys_exit_group kernel/exit.c:996 [inline]
__se_sys_exit_group kernel/exit.c:994 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:994
do_syscall_64+0x34/0x70 arch/x86/entry/common.c:-1
entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7efed274cf89
Code: Unable to access opcode bytes at RIP 0x7efed274cf5f.
RSP: 002b:00007ffd96ecbc28 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007efed274cf89
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001
RBP: 00007efed27c9370 R08: ffffffffffffffb8 R09: 0000000000000000
R10: 0000000000001000 R11: 0000000000000246 R12: 00007efed27c9370
R13: 0000000000000000 R14: 00007efed27c9dc0 R15: 00007efed271acf0
Modules linked in:
CR2: 0000000000000170
---[ end trace edde17a1aa7b2ed4 ]---
RIP: 0010:arch_atomic_add_return include/linux/instrumented.h:-1 [inline]
RIP: 0010:arch_atomic_inc_return include/linux/atomic-arch-fallback.h:286 [inline]
RIP: 0010:atomic_inc_return include/asm-generic/atomic-instrumented.h:251 [inline]
RIP: 0010:ihold+0x25/0x60 fs/inode.c:423
Code: 00 00 00 00 00 55 48 89 e5 41 56 53 49 89 fe e8 21 22 b3 ff 49 8d be 70 01 00 00 be 04 00 00 00 e8 50 c3 f0 ff bb 01 00 00 00 <f0> 41 0f c1 9e 70 01 00 00 ff c3 bf 02 00 00 00 89 de e8 a4 25 b3
RSP: 0018:ffffc90000af7b48 EFLAGS: 00010246
RAX: ffff888120631300 RBX: 0000000000000001 RCX: ffff8881206313c0
RDX: 0000000000000000 RSI: 0000000000000286 RDI: 00000000ffffffff
RBP: ffffc90000af7b58 R08: ffffffff813e2b8b R09: 0000000000000003
R10: fffffbfff0e11248 R11: dffffc0000000001 R12: dffffc0000000000
R13: ffff88811bf6a880 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000170 CR3: 000000000660f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 00 00 add %al,(%rax)
4: 00 55 48 add %dl,0x48(%rbp)
7: 89 e5 mov %esp,%ebp
9: 41 56 push %r14
b: 53 push %rbx
c: 49 89 fe mov %rdi,%r14
f: e8 21 22 b3 ff call 0xffb32235
14: 49 8d be 70 01 00 00 lea 0x170(%r14),%rdi
1b: be 04 00 00 00 mov $0x4,%esi
20: e8 50 c3 f0 ff call 0xfff0c375
25: bb 01 00 00 00 mov $0x1,%ebx
* 2a: f0 41 0f c1 9e 70 01 lock xadd %ebx,0x170(%r14) <-- trapping instruction
31: 00 00
33: ff c3 inc %ebx
35: bf 02 00 00 00 mov $0x2,%edi
3a: 89 de mov %ebx,%esi
3c: e8 .byte 0xe8
3d: a4 movsb %ds:(%rsi),%es:(%rdi)
3e: 25 .byte 0x25
3f: b3 .byte 0xb3