Extracting prog: 5m3.145052867s
Minimizing prog: 29m7.348511668s
Simplifying prog options: 0s
Extracting C: 20.563083709s
Simplifying C: 11m20.471797128s


extracting reproducer from 27 programs
testing a last program of every proc
single: executing 7 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): mremap-socket-ioctl$SIOCGIFMTU-mknod$loop-openat$fuse-mount$fuse-openat2$dir-socket-mmap
detailed listing:
executing program 0:
mremap(&(0x7f0000800000/0x800000)=nil, 0x800000, 0x400000, 0x3, &(0x7f0000000000/0x400000)=nil)
r0 = socket(0x80000000000000a, 0x2, 0x0)
ioctl$SIOCGIFMTU(r0, 0x8942, &(0x7f00000001c0)={'veth0\x00'})
mknod$loop(&(0x7f0000000140)='./file0\x00', 0x6000, 0x1)
r1 = openat$fuse(0xffffffffffffff9c, &(0x7f00000001c0), 0x42, 0x0)
mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000002100), 0x80, &(0x7f0000002140)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r1, @ANYBLOB=',rootmode=000000000100000,user_id=', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0])
openat2$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file0/file0\x00', &(0x7f00000000c0)={0x40, 0x0, 0x1}, 0x18)
r2 = socket(0x11, 0x3, 0x8)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x12, r2, 0xa6426000)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_IRQCHIP-ioctl$KVM_CREATE_VCPU-ioctl$KVM_CAP_HYPERV_SYNIC2-ioctl$KVM_SET_MSRS-ioctl$KVM_RUN
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60)
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x2)
ioctl$KVM_CAP_HYPERV_SYNIC2(r2, 0x4068aea3, &(0x7f0000000140))
ioctl$KVM_SET_MSRS(r2, 0x4008ae89, &(0x7f0000000080)={0x4, 0x0, [{0x400000b0, 0x0, 0x3}, {0x235, 0x0, 0xfffffffffffffff9}, {0x9dc, 0x0, 0x1ff}, {0x9a2, 0x0, 0x2}]})
ioctl$KVM_RUN(r2, 0xae80, 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): mremap-socket-ioctl$SIOCGIFMTU-mknod$loop-openat$fuse-mount$fuse-openat2$dir-socket-mmap
detailed listing:
executing program 0:
mremap(&(0x7f0000800000/0x800000)=nil, 0x800000, 0x400000, 0x3, &(0x7f0000000000/0x400000)=nil)
r0 = socket(0x80000000000000a, 0x2, 0x0)
ioctl$SIOCGIFMTU(r0, 0x8942, &(0x7f00000001c0)={'veth0\x00'})
mknod$loop(&(0x7f0000000140)='./file0\x00', 0x6000, 0x1)
r1 = openat$fuse(0xffffffffffffff9c, &(0x7f00000001c0), 0x42, 0x0)
mount$fuse(0x0, &(0x7f00000020c0)='./file0\x00', &(0x7f0000002100), 0x80, &(0x7f0000002140)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r1, @ANYBLOB=',rootmode=000000000100000,user_id=', @ANYRESDEC=0x0, @ANYBLOB=',group_id=', @ANYRESDEC=0x0])
openat2$dir(0xffffffffffffff9c, &(0x7f0000000000)='./file0/file0\x00', &(0x7f00000000c0)={0x40, 0x0, 0x1}, 0x18)
r2 = socket(0x11, 0x3, 0x8)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x12, r2, 0xa6426000)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdir-mount$overlay-getpgid-mkdir-creat-mount$incfs-mount$incfs-syz_open_dev$evdev-ioctl$EVIOCREVOKE-ioctl$EVIOCGRAB-signalfd-read-ioctl$BLKTRACESETUP-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_GET_DIRTY_LOG-syz_open_procfs-prctl$PR_SET_MM_MAP-mmap-madvise-preadv-syz_clone3
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./file0\x00', 0x0)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@userxattr}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@metacopy_on}]})
r0 = getpgid(0xffffffffffffffff)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
creat(&(0x7f0000000000)='./file0\x00', 0x1)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000840), 0x1004002, 0x0)
r1 = syz_open_dev$evdev(&(0x7f0000000140), 0x1, 0x8000)
ioctl$EVIOCREVOKE(r1, 0x40044591, 0x0)
ioctl$EVIOCGRAB(r1, 0x40044590, 0x0)
r2 = signalfd(0xffffffffffffffff, &(0x7f00007aeff8)={[0xfffffffffffffffe]}, 0x8)
read(r2, &(0x7f0000000740)=""/384, 0x200008c0)
ioctl$BLKTRACESETUP(r2, 0xc0481273, &(0x7f0000000540)={'\x00', 0x5, 0x1, 0x1, 0x7, 0x4, r0})
r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000580), 0x2, 0x0)
r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0)
ioctl$KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2(r4, 0x4068aea3, &(0x7f0000000000)={0xa8, 0x0, 0x3})
ioctl$KVM_SET_USER_MEMORY_REGION(r4, 0x4020ae46, &(0x7f0000000080)={0x0, 0x3, 0x0, 0x3d70000000, &(0x7f0000ffe000/0x2000)=nil})
ioctl$KVM_GET_DIRTY_LOG(r4, 0x4010ae42, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000ffa000/0x4000)=nil})
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='cmdline\x00')
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ff8000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x8031, 0xffffffffffffffff, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600002, 0x9)
preadv(r5, &(0x7f0000001200)=[{&(0x7f0000000080)=""/4097, 0x1001}], 0x1, 0x9, 0x6a76)
syz_clone3(&(0x7f0000000340)={0x0, &(0x7f0000000040), &(0x7f0000000100), &(0x7f0000000140), {0x3c}, &(0x7f0000000180)=""/195, 0xc3, &(0x7f0000000440)=""/219, &(0x7f0000000280)=[r0], 0x1}, 0x58)

program crashed: WARNING in shmem_rmdir
single: successfully extracted reproducer
found reproducer with 25 syscalls
minimizing guilty program
testing program (duration=36.089837847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdir-mount$overlay-getpgid-mkdir-creat-mount$incfs-mount$incfs-syz_open_dev$evdev-ioctl$EVIOCREVOKE-ioctl$EVIOCGRAB-signalfd-read-ioctl$BLKTRACESETUP-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_GET_DIRTY_LOG-syz_open_procfs-prctl$PR_SET_MM_MAP-mmap-madvise-preadv
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./file0\x00', 0x0)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@userxattr}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@metacopy_on}]})
r0 = getpgid(0xffffffffffffffff)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
creat(&(0x7f0000000000)='./file0\x00', 0x1)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000840), 0x1004002, 0x0)
r1 = syz_open_dev$evdev(&(0x7f0000000140), 0x1, 0x8000)
ioctl$EVIOCREVOKE(r1, 0x40044591, 0x0)
ioctl$EVIOCGRAB(r1, 0x40044590, 0x0)
r2 = signalfd(0xffffffffffffffff, &(0x7f00007aeff8)={[0xfffffffffffffffe]}, 0x8)
read(r2, &(0x7f0000000740)=""/384, 0x200008c0)
ioctl$BLKTRACESETUP(r2, 0xc0481273, &(0x7f0000000540)={'\x00', 0x5, 0x1, 0x1, 0x7, 0x4, r0})
r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000580), 0x2, 0x0)
r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0)
ioctl$KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2(r4, 0x4068aea3, &(0x7f0000000000)={0xa8, 0x0, 0x3})
ioctl$KVM_SET_USER_MEMORY_REGION(r4, 0x4020ae46, &(0x7f0000000080)={0x0, 0x3, 0x0, 0x3d70000000, &(0x7f0000ffe000/0x2000)=nil})
ioctl$KVM_GET_DIRTY_LOG(r4, 0x4010ae42, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000ffa000/0x4000)=nil})
r5 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='cmdline\x00')
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ff8000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x8031, 0xffffffffffffffff, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600002, 0x9)
preadv(r5, &(0x7f0000001200)=[{&(0x7f0000000080)=""/4097, 0x1001}], 0x1, 0x9, 0x6a76)

program crashed: WARNING in shmem_rmdir
testing program (duration=36.089837847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdir-mount$overlay-getpgid-mkdir-creat-mount$incfs-mount$incfs-syz_open_dev$evdev-ioctl$EVIOCREVOKE-ioctl$EVIOCGRAB-signalfd-read-ioctl$BLKTRACESETUP-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_GET_DIRTY_LOG-syz_open_procfs-prctl$PR_SET_MM_MAP-mmap-madvise
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./file0\x00', 0x0)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@userxattr}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@metacopy_on}]})
r0 = getpgid(0xffffffffffffffff)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
creat(&(0x7f0000000000)='./file0\x00', 0x1)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000840), 0x1004002, 0x0)
r1 = syz_open_dev$evdev(&(0x7f0000000140), 0x1, 0x8000)
ioctl$EVIOCREVOKE(r1, 0x40044591, 0x0)
ioctl$EVIOCGRAB(r1, 0x40044590, 0x0)
r2 = signalfd(0xffffffffffffffff, &(0x7f00007aeff8)={[0xfffffffffffffffe]}, 0x8)
read(r2, &(0x7f0000000740)=""/384, 0x200008c0)
ioctl$BLKTRACESETUP(r2, 0xc0481273, &(0x7f0000000540)={'\x00', 0x5, 0x1, 0x1, 0x7, 0x4, r0})
r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000580), 0x2, 0x0)
r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0)
ioctl$KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2(r4, 0x4068aea3, &(0x7f0000000000)={0xa8, 0x0, 0x3})
ioctl$KVM_SET_USER_MEMORY_REGION(r4, 0x4020ae46, &(0x7f0000000080)={0x0, 0x3, 0x0, 0x3d70000000, &(0x7f0000ffe000/0x2000)=nil})
ioctl$KVM_GET_DIRTY_LOG(r4, 0x4010ae42, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000ffa000/0x4000)=nil})
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='cmdline\x00')
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ff8000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x8031, 0xffffffffffffffff, 0x0)
madvise(&(0x7f0000000000/0x600000)=nil, 0x600002, 0x9)

program crashed: WARNING in shmem_rmdir
testing program (duration=36.089837847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdir-mount$overlay-getpgid-mkdir-creat-mount$incfs-mount$incfs-syz_open_dev$evdev-ioctl$EVIOCREVOKE-ioctl$EVIOCGRAB-signalfd-read-ioctl$BLKTRACESETUP-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_GET_DIRTY_LOG-syz_open_procfs-prctl$PR_SET_MM_MAP-mmap
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./file0\x00', 0x0)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@userxattr}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@metacopy_on}]})
r0 = getpgid(0xffffffffffffffff)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
creat(&(0x7f0000000000)='./file0\x00', 0x1)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000840), 0x1004002, 0x0)
r1 = syz_open_dev$evdev(&(0x7f0000000140), 0x1, 0x8000)
ioctl$EVIOCREVOKE(r1, 0x40044591, 0x0)
ioctl$EVIOCGRAB(r1, 0x40044590, 0x0)
r2 = signalfd(0xffffffffffffffff, &(0x7f00007aeff8)={[0xfffffffffffffffe]}, 0x8)
read(r2, &(0x7f0000000740)=""/384, 0x200008c0)
ioctl$BLKTRACESETUP(r2, 0xc0481273, &(0x7f0000000540)={'\x00', 0x5, 0x1, 0x1, 0x7, 0x4, r0})
r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000580), 0x2, 0x0)
r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0)
ioctl$KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2(r4, 0x4068aea3, &(0x7f0000000000)={0xa8, 0x0, 0x3})
ioctl$KVM_SET_USER_MEMORY_REGION(r4, 0x4020ae46, &(0x7f0000000080)={0x0, 0x3, 0x0, 0x3d70000000, &(0x7f0000ffe000/0x2000)=nil})
ioctl$KVM_GET_DIRTY_LOG(r4, 0x4010ae42, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000ffa000/0x4000)=nil})
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='cmdline\x00')
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ff8000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x2, 0x8031, 0xffffffffffffffff, 0x0)

program crashed: WARNING in shmem_rmdir
testing program (duration=36.089837847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdir-mount$overlay-getpgid-mkdir-creat-mount$incfs-mount$incfs-syz_open_dev$evdev-ioctl$EVIOCREVOKE-ioctl$EVIOCGRAB-signalfd-read-ioctl$BLKTRACESETUP-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_GET_DIRTY_LOG-syz_open_procfs-prctl$PR_SET_MM_MAP
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./file0\x00', 0x0)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@userxattr}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@metacopy_on}]})
r0 = getpgid(0xffffffffffffffff)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
creat(&(0x7f0000000000)='./file0\x00', 0x1)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000840), 0x1004002, 0x0)
r1 = syz_open_dev$evdev(&(0x7f0000000140), 0x1, 0x8000)
ioctl$EVIOCREVOKE(r1, 0x40044591, 0x0)
ioctl$EVIOCGRAB(r1, 0x40044590, 0x0)
r2 = signalfd(0xffffffffffffffff, &(0x7f00007aeff8)={[0xfffffffffffffffe]}, 0x8)
read(r2, &(0x7f0000000740)=""/384, 0x200008c0)
ioctl$BLKTRACESETUP(r2, 0xc0481273, &(0x7f0000000540)={'\x00', 0x5, 0x1, 0x1, 0x7, 0x4, r0})
r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000580), 0x2, 0x0)
r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0)
ioctl$KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2(r4, 0x4068aea3, &(0x7f0000000000)={0xa8, 0x0, 0x3})
ioctl$KVM_SET_USER_MEMORY_REGION(r4, 0x4020ae46, &(0x7f0000000080)={0x0, 0x3, 0x0, 0x3d70000000, &(0x7f0000ffe000/0x2000)=nil})
ioctl$KVM_GET_DIRTY_LOG(r4, 0x4010ae42, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000ffa000/0x4000)=nil})
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='cmdline\x00')
prctl$PR_SET_MM_MAP(0x23, 0xe, &(0x7f0000000080)={&(0x7f0000ff0000/0x1000)=nil, &(0x7f0000ffd000/0x3000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ff8000/0x4000)=nil, &(0x7f0000ffc000/0x4000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffb000/0x3000)=nil, &(0x7f0000ffc000/0x3000)=nil, &(0x7f0000ffa000/0x1000)=nil, &(0x7f0000ffa000/0x2000)=nil, 0x0}, 0x68)

program crashed: WARNING in shmem_rmdir
testing program (duration=36.089837847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdir-mount$overlay-getpgid-mkdir-creat-mount$incfs-mount$incfs-syz_open_dev$evdev-ioctl$EVIOCREVOKE-ioctl$EVIOCGRAB-signalfd-read-ioctl$BLKTRACESETUP-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_GET_DIRTY_LOG-syz_open_procfs
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./file0\x00', 0x0)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@userxattr}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@metacopy_on}]})
r0 = getpgid(0xffffffffffffffff)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
creat(&(0x7f0000000000)='./file0\x00', 0x1)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000840), 0x1004002, 0x0)
r1 = syz_open_dev$evdev(&(0x7f0000000140), 0x1, 0x8000)
ioctl$EVIOCREVOKE(r1, 0x40044591, 0x0)
ioctl$EVIOCGRAB(r1, 0x40044590, 0x0)
r2 = signalfd(0xffffffffffffffff, &(0x7f00007aeff8)={[0xfffffffffffffffe]}, 0x8)
read(r2, &(0x7f0000000740)=""/384, 0x200008c0)
ioctl$BLKTRACESETUP(r2, 0xc0481273, &(0x7f0000000540)={'\x00', 0x5, 0x1, 0x1, 0x7, 0x4, r0})
r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000580), 0x2, 0x0)
r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0)
ioctl$KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2(r4, 0x4068aea3, &(0x7f0000000000)={0xa8, 0x0, 0x3})
ioctl$KVM_SET_USER_MEMORY_REGION(r4, 0x4020ae46, &(0x7f0000000080)={0x0, 0x3, 0x0, 0x3d70000000, &(0x7f0000ffe000/0x2000)=nil})
ioctl$KVM_GET_DIRTY_LOG(r4, 0x4010ae42, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000ffa000/0x4000)=nil})
syz_open_procfs(0xffffffffffffffff, &(0x7f0000000000)='cmdline\x00')

program crashed: WARNING in shmem_rmdir
testing program (duration=36.089837847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdir-mount$overlay-getpgid-mkdir-creat-mount$incfs-mount$incfs-syz_open_dev$evdev-ioctl$EVIOCREVOKE-ioctl$EVIOCGRAB-signalfd-read-ioctl$BLKTRACESETUP-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_GET_DIRTY_LOG
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./file0\x00', 0x0)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@userxattr}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@metacopy_on}]})
r0 = getpgid(0xffffffffffffffff)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
creat(&(0x7f0000000000)='./file0\x00', 0x1)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000840), 0x1004002, 0x0)
r1 = syz_open_dev$evdev(&(0x7f0000000140), 0x1, 0x8000)
ioctl$EVIOCREVOKE(r1, 0x40044591, 0x0)
ioctl$EVIOCGRAB(r1, 0x40044590, 0x0)
r2 = signalfd(0xffffffffffffffff, &(0x7f00007aeff8)={[0xfffffffffffffffe]}, 0x8)
read(r2, &(0x7f0000000740)=""/384, 0x200008c0)
ioctl$BLKTRACESETUP(r2, 0xc0481273, &(0x7f0000000540)={'\x00', 0x5, 0x1, 0x1, 0x7, 0x4, r0})
r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000580), 0x2, 0x0)
r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0)
ioctl$KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2(r4, 0x4068aea3, &(0x7f0000000000)={0xa8, 0x0, 0x3})
ioctl$KVM_SET_USER_MEMORY_REGION(r4, 0x4020ae46, &(0x7f0000000080)={0x0, 0x3, 0x0, 0x3d70000000, &(0x7f0000ffe000/0x2000)=nil})
ioctl$KVM_GET_DIRTY_LOG(r4, 0x4010ae42, &(0x7f00000000c0)={0x0, 0x0, &(0x7f0000ffa000/0x4000)=nil})

program crashed: WARNING in shmem_rmdir
testing program (duration=36.089837847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdir-mount$overlay-getpgid-mkdir-creat-mount$incfs-mount$incfs-syz_open_dev$evdev-ioctl$EVIOCREVOKE-ioctl$EVIOCGRAB-signalfd-read-ioctl$BLKTRACESETUP-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2-ioctl$KVM_SET_USER_MEMORY_REGION
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./file0\x00', 0x0)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@userxattr}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@metacopy_on}]})
r0 = getpgid(0xffffffffffffffff)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
creat(&(0x7f0000000000)='./file0\x00', 0x1)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000840), 0x1004002, 0x0)
r1 = syz_open_dev$evdev(&(0x7f0000000140), 0x1, 0x8000)
ioctl$EVIOCREVOKE(r1, 0x40044591, 0x0)
ioctl$EVIOCGRAB(r1, 0x40044590, 0x0)
r2 = signalfd(0xffffffffffffffff, &(0x7f00007aeff8)={[0xfffffffffffffffe]}, 0x8)
read(r2, &(0x7f0000000740)=""/384, 0x200008c0)
ioctl$BLKTRACESETUP(r2, 0xc0481273, &(0x7f0000000540)={'\x00', 0x5, 0x1, 0x1, 0x7, 0x4, r0})
r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000580), 0x2, 0x0)
r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0)
ioctl$KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2(r4, 0x4068aea3, &(0x7f0000000000)={0xa8, 0x0, 0x3})
ioctl$KVM_SET_USER_MEMORY_REGION(r4, 0x4020ae46, &(0x7f0000000080)={0x0, 0x3, 0x0, 0x3d70000000, &(0x7f0000ffe000/0x2000)=nil})

program crashed: WARNING in shmem_rmdir
testing program (duration=36.089837847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdir-mount$overlay-getpgid-mkdir-creat-mount$incfs-mount$incfs-syz_open_dev$evdev-ioctl$EVIOCREVOKE-ioctl$EVIOCGRAB-signalfd-read-ioctl$BLKTRACESETUP-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./file0\x00', 0x0)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@userxattr}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@metacopy_on}]})
r0 = getpgid(0xffffffffffffffff)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
creat(&(0x7f0000000000)='./file0\x00', 0x1)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000840), 0x1004002, 0x0)
r1 = syz_open_dev$evdev(&(0x7f0000000140), 0x1, 0x8000)
ioctl$EVIOCREVOKE(r1, 0x40044591, 0x0)
ioctl$EVIOCGRAB(r1, 0x40044590, 0x0)
r2 = signalfd(0xffffffffffffffff, &(0x7f00007aeff8)={[0xfffffffffffffffe]}, 0x8)
read(r2, &(0x7f0000000740)=""/384, 0x200008c0)
ioctl$BLKTRACESETUP(r2, 0xc0481273, &(0x7f0000000540)={'\x00', 0x5, 0x1, 0x1, 0x7, 0x4, r0})
r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000580), 0x2, 0x0)
r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0)
ioctl$KVM_CAP_MANUAL_DIRTY_LOG_PROTECT2(r4, 0x4068aea3, &(0x7f0000000000)={0xa8, 0x0, 0x3})

program crashed: WARNING in shmem_rmdir
testing program (duration=36.089837847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdir-mount$overlay-getpgid-mkdir-creat-mount$incfs-mount$incfs-syz_open_dev$evdev-ioctl$EVIOCREVOKE-ioctl$EVIOCGRAB-signalfd-read-ioctl$BLKTRACESETUP-openat$kvm-ioctl$KVM_CREATE_VM
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./file0\x00', 0x0)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@userxattr}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@metacopy_on}]})
r0 = getpgid(0xffffffffffffffff)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
creat(&(0x7f0000000000)='./file0\x00', 0x1)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000840), 0x1004002, 0x0)
r1 = syz_open_dev$evdev(&(0x7f0000000140), 0x1, 0x8000)
ioctl$EVIOCREVOKE(r1, 0x40044591, 0x0)
ioctl$EVIOCGRAB(r1, 0x40044590, 0x0)
r2 = signalfd(0xffffffffffffffff, &(0x7f00007aeff8)={[0xfffffffffffffffe]}, 0x8)
read(r2, &(0x7f0000000740)=""/384, 0x200008c0)
ioctl$BLKTRACESETUP(r2, 0xc0481273, &(0x7f0000000540)={'\x00', 0x5, 0x1, 0x1, 0x7, 0x4, r0})
r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000580), 0x2, 0x0)
ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0)

program crashed: WARNING in shmem_rmdir
testing program (duration=36.089837847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdir-mount$overlay-getpgid-mkdir-creat-mount$incfs-mount$incfs-syz_open_dev$evdev-ioctl$EVIOCREVOKE-ioctl$EVIOCGRAB-signalfd-read-ioctl$BLKTRACESETUP-openat$kvm
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./file0\x00', 0x0)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@userxattr}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@metacopy_on}]})
r0 = getpgid(0xffffffffffffffff)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
creat(&(0x7f0000000000)='./file0\x00', 0x1)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000840), 0x1004002, 0x0)
r1 = syz_open_dev$evdev(&(0x7f0000000140), 0x1, 0x8000)
ioctl$EVIOCREVOKE(r1, 0x40044591, 0x0)
ioctl$EVIOCGRAB(r1, 0x40044590, 0x0)
r2 = signalfd(0xffffffffffffffff, &(0x7f00007aeff8)={[0xfffffffffffffffe]}, 0x8)
read(r2, &(0x7f0000000740)=""/384, 0x200008c0)
ioctl$BLKTRACESETUP(r2, 0xc0481273, &(0x7f0000000540)={'\x00', 0x5, 0x1, 0x1, 0x7, 0x4, r0})
openat$kvm(0xffffffffffffff9c, &(0x7f0000000580), 0x2, 0x0)

program crashed: WARNING in shmem_rmdir
testing program (duration=36.089837847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdir-mount$overlay-getpgid-mkdir-creat-mount$incfs-mount$incfs-syz_open_dev$evdev-ioctl$EVIOCREVOKE-ioctl$EVIOCGRAB-signalfd-read-ioctl$BLKTRACESETUP
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./file0\x00', 0x0)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@userxattr}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@metacopy_on}]})
r0 = getpgid(0xffffffffffffffff)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
creat(&(0x7f0000000000)='./file0\x00', 0x1)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000840), 0x1004002, 0x0)
r1 = syz_open_dev$evdev(&(0x7f0000000140), 0x1, 0x8000)
ioctl$EVIOCREVOKE(r1, 0x40044591, 0x0)
ioctl$EVIOCGRAB(r1, 0x40044590, 0x0)
r2 = signalfd(0xffffffffffffffff, &(0x7f00007aeff8)={[0xfffffffffffffffe]}, 0x8)
read(r2, &(0x7f0000000740)=""/384, 0x200008c0)
ioctl$BLKTRACESETUP(r2, 0xc0481273, &(0x7f0000000540)={'\x00', 0x5, 0x1, 0x1, 0x7, 0x4, r0})

program crashed: WARNING in shmem_rmdir
testing program (duration=36.089837847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdir-mount$overlay-getpgid-mkdir-creat-mount$incfs-mount$incfs-syz_open_dev$evdev-ioctl$EVIOCREVOKE-ioctl$EVIOCGRAB-signalfd-read
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./file0\x00', 0x0)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@userxattr}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@metacopy_on}]})
getpgid(0xffffffffffffffff)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
creat(&(0x7f0000000000)='./file0\x00', 0x1)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000840), 0x1004002, 0x0)
r0 = syz_open_dev$evdev(&(0x7f0000000140), 0x1, 0x8000)
ioctl$EVIOCREVOKE(r0, 0x40044591, 0x0)
ioctl$EVIOCGRAB(r0, 0x40044590, 0x0)
r1 = signalfd(0xffffffffffffffff, &(0x7f00007aeff8)={[0xfffffffffffffffe]}, 0x8)
read(r1, &(0x7f0000000740)=""/384, 0x200008c0)

program crashed: WARNING in shmem_rmdir
testing program (duration=36.089837847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdir-mount$overlay-getpgid-mkdir-creat-mount$incfs-mount$incfs-syz_open_dev$evdev-ioctl$EVIOCREVOKE-ioctl$EVIOCGRAB-signalfd
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./file0\x00', 0x0)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@userxattr}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@metacopy_on}]})
getpgid(0xffffffffffffffff)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
creat(&(0x7f0000000000)='./file0\x00', 0x1)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000840), 0x1004002, 0x0)
r0 = syz_open_dev$evdev(&(0x7f0000000140), 0x1, 0x8000)
ioctl$EVIOCREVOKE(r0, 0x40044591, 0x0)
ioctl$EVIOCGRAB(r0, 0x40044590, 0x0)
signalfd(0xffffffffffffffff, &(0x7f00007aeff8)={[0xfffffffffffffffe]}, 0x8)

program crashed: WARNING in shmem_rmdir
testing program (duration=36.089837847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdir-mount$overlay-getpgid-mkdir-creat-mount$incfs-mount$incfs-syz_open_dev$evdev-ioctl$EVIOCREVOKE-ioctl$EVIOCGRAB
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./file0\x00', 0x0)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@userxattr}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@metacopy_on}]})
getpgid(0xffffffffffffffff)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
creat(&(0x7f0000000000)='./file0\x00', 0x1)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000840), 0x1004002, 0x0)
r0 = syz_open_dev$evdev(&(0x7f0000000140), 0x1, 0x8000)
ioctl$EVIOCREVOKE(r0, 0x40044591, 0x0)
ioctl$EVIOCGRAB(r0, 0x40044590, 0x0)

program crashed: WARNING in shmem_rmdir
testing program (duration=36.089837847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdir-mount$overlay-getpgid-mkdir-creat-mount$incfs-mount$incfs-syz_open_dev$evdev-ioctl$EVIOCREVOKE
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./file0\x00', 0x0)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@userxattr}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@metacopy_on}]})
getpgid(0xffffffffffffffff)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
creat(&(0x7f0000000000)='./file0\x00', 0x1)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000840), 0x1004002, 0x0)
r0 = syz_open_dev$evdev(&(0x7f0000000140), 0x1, 0x8000)
ioctl$EVIOCREVOKE(r0, 0x40044591, 0x0)

program crashed: WARNING in shmem_rmdir
testing program (duration=36.089837847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdir-mount$overlay-getpgid-mkdir-creat-mount$incfs-mount$incfs-syz_open_dev$evdev
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./file0\x00', 0x0)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@userxattr}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@metacopy_on}]})
getpgid(0xffffffffffffffff)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
creat(&(0x7f0000000000)='./file0\x00', 0x1)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000840), 0x1004002, 0x0)
syz_open_dev$evdev(&(0x7f0000000140), 0x1, 0x8000)

program crashed: WARNING in shmem_rmdir
testing program (duration=36.089837847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdir-mount$overlay-getpgid-mkdir-creat-mount$incfs-mount$incfs
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./file0\x00', 0x0)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@userxattr}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@metacopy_on}]})
getpgid(0xffffffffffffffff)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
creat(&(0x7f0000000000)='./file0\x00', 0x1)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000100)='./file0\x00', &(0x7f0000000840), 0x1004002, 0x0)

program crashed: WARNING in shmem_rmdir
testing program (duration=36.089837847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdir-mount$overlay-getpgid-mkdir-creat-mount$incfs
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./file0\x00', 0x0)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@userxattr}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@metacopy_on}]})
getpgid(0xffffffffffffffff)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
creat(&(0x7f0000000000)='./file0\x00', 0x1)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)

program crashed: WARNING in shmem_rmdir
testing program (duration=36.089837847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdir-mount$overlay-getpgid-mkdir-creat
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./file0\x00', 0x0)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@userxattr}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@metacopy_on}]})
getpgid(0xffffffffffffffff)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
creat(&(0x7f0000000000)='./file0\x00', 0x1)

program did not crash
testing program (duration=36.089837847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdir-mount$overlay-getpgid-mkdir-mount$incfs
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./file0\x00', 0x0)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@userxattr}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@metacopy_on}]})
getpgid(0xffffffffffffffff)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)

program crashed: WARNING in shmem_rmdir
testing program (duration=36.089837847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdir-mount$overlay-getpgid-mount$incfs
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./file0\x00', 0x0)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@userxattr}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@metacopy_on}]})
getpgid(0xffffffffffffffff)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)

program crashed: WARNING in shmem_rmdir
testing program (duration=36.089837847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdir-mount$overlay-mount$incfs
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./file0\x00', 0x0)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@userxattr}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@metacopy_on}]})
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)

program crashed: WARNING in shmem_rmdir
testing program (duration=36.089837847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mkdir-mount$incfs
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./file0\x00', 0x0)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)

program crashed: WARNING in shmem_rmdir
testing program (duration=36.089837847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mount$incfs
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./file0\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)

program did not crash
testing program (duration=36.089837847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mount$incfs
detailed listing:
executing program 0:
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)

program crashed: WARNING in shmem_rmdir
testing program (duration=36.089837847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mount$incfs
detailed listing:
executing program 0:
mkdir(0x0, 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)

program did not crash
testing program (duration=36.089837847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mount$incfs
detailed listing:
executing program 0:
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$incfs(0x0, &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)

program did not crash
testing program (duration=36.089837847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mount$incfs
detailed listing:
executing program 0:
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', 0x0, &(0x7f0000000840), 0x1004002, 0x0)

program did not crash
testing program (duration=36.089837847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mount$incfs
detailed listing:
executing program 0:
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', 0x0, 0x1004002, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=36.089837847s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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-mount$incfs
program crashed: WARNING in shmem_rmdir
simplifying C reproducer
testing compiled C program (duration=36.089837847s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs
program crashed: WARNING in shmem_rmdir
testing compiled C program (duration=36.089837847s, {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}}): mkdir-mount$incfs
program did not crash
testing compiled C program (duration=36.089837847s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs
program crashed: WARNING in shmem_rmdir
testing compiled C program (duration=36.089837847s, {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}}): mkdir-mount$incfs
program did not crash
testing compiled C program (duration=36.089837847s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs
program crashed: WARNING in shmem_rmdir
testing compiled C program (duration=36.089837847s, {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}}): mkdir-mount$incfs
program crashed: WARNING in shmem_rmdir
testing compiled C program (duration=36.089837847s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs
program crashed: WARNING in shmem_rmdir
testing compiled C program (duration=36.089837847s, {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}}): mkdir-mount$incfs
program crashed: WARNING in shmem_rmdir
testing compiled C program (duration=36.089837847s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs
program crashed: WARNING in shmem_rmdir
testing compiled C program (duration=36.089837847s, {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}}): mkdir-mount$incfs
program crashed: WARNING in shmem_rmdir
testing compiled C program (duration=36.089837847s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs
program did not crash
testing compiled C program (duration=36.089837847s, {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}}): mkdir-mount$incfs
program crashed: WARNING in shmem_rmdir
testing compiled C program (duration=36.089837847s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs
program crashed: WARNING in shmem_rmdir
testing compiled C program (duration=36.089837847s, {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}}): mkdir-mount$incfs
program crashed: WARNING in shmem_rmdir
testing program (duration=36.089837847s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs
detailed listing:
executing program 0:
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)

program crashed: WARNING in shmem_rmdir
validation run: crashed=true
testing program (duration=36.089837847s, {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}}): mkdir-mount$incfs
detailed listing:
executing program 0:
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)

program crashed: WARNING in shmem_rmdir
validation run: crashed=true
testing program (duration=36.089837847s, {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}}): mkdir-mount$incfs
detailed listing:
executing program 0:
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)

program crashed: WARNING in shmem_rmdir
validation run: crashed=true
reproducing took 48m29.827788647s
repro crashed as (corrupted=false):
veth0_vlan: entered promiscuous mode
veth1_macvtap: entered promiscuous mode
------------[ cut here ]------------
WARNING: CPU: 0 PID: 367 at fs/inode.c:340 drop_nlink+0xce/0x110 fs/inode.c:340
Modules linked in:
CPU: 0 UID: 0 PID: 367 Comm: syz-executor Not tainted syzkaller #0 f4a4c1113d1fc99d80605e766864695bb8e4828c
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:drop_nlink+0xce/0x110 fs/inode.c:340
Code: 04 00 00 be 08 00 00 00 e8 df 15 ee ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 f2 e5 95 ff <0f> 0b eb 81 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 59 ff ff ff 4c
RSP: 0018:ffffc900010efc60 EFLAGS: 00010293
RAX: ffffffff81f1c4be RBX: ffff888114b147e0 RCX: ffff88811517a600
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900010efc88 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff5200021df7c R12: dffffc0000000000
R13: 1ffff11022962905 R14: ffff888114b14828 R15: 0000000000000000
FS:  0000555583e48500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555583e6b948 CR3: 000000010c7f2000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 shmem_rmdir+0x5f/0x90 mm/shmem.c:3768
 vfs_rmdir+0x3e3/0x560 fs/namei.c:4348
 incfs_kill_sb+0x109/0x230 fs/incfs/vfs.c:1968
 deactivate_locked_super+0xd5/0x2a0 fs/super.c:478
 deactivate_super+0xb8/0xe0 fs/super.c:511
 cleanup_mnt+0x406/0x4a0 fs/namespace.c:1380
 __cleanup_mnt+0x1d/0x40 fs/namespace.c:1387
 task_work_run+0x1e5/0x260 kernel/task_work.c:246
 resume_user_mode_work+0x35/0x50 include/linux/resume_user_mode.h:50
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x63/0xb0 kernel/entry/common.c:218
 do_syscall_64+0x63/0xf0 arch/x86/entry/common.c:84
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f4ee039da57
Code: a2 c7 05 9c fc 24 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:00007ffd13df1648 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f4ee039da57
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd13df1700
RBP: 00007ffd13df1700 R08: 00007ffd13df2700 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd13df2790
R13: 00007f4ee0432048 R14: 0000000000006af7 R15: 00007ffd13df27d0
 </TASK>
---[ end trace 0000000000000000 ]---
==================================================================
BUG: KASAN: null-ptr-deref in instrument_atomic_read_write include/linux/instrumented.h:96 [inline]
BUG: KASAN: null-ptr-deref in atomic_inc_return include/linux/atomic/atomic-instrumented.h:453 [inline]
BUG: KASAN: null-ptr-deref in ihold+0x24/0x70 fs/inode.c:452
Write of size 4 at addr 0000000000000168 by task syz-executor/367

CPU: 1 UID: 0 PID: 367 Comm: syz-executor Tainted: G        W          syzkaller #0 f4a4c1113d1fc99d80605e766864695bb8e4828c
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:94
 dump_stack_lvl+0x140/0x1c0 lib/dump_stack.c:120
 print_report+0x3d/0x70 mm/kasan/report.c:484
 kasan_report+0x162/0x1a0 mm/kasan/report.c:594
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x25a/0x2b0 mm/kasan/generic.c:189
 __kasan_check_write+0x18/0x20 mm/kasan/shadow.c:37
 instrument_atomic_read_write include/linux/instrumented.h:96 [inline]
 atomic_inc_return include/linux/atomic/atomic-instrumented.h:453 [inline]
 ihold+0x24/0x70 fs/inode.c:452
 d_delete_notify include/linux/fsnotify.h:357 [inline]
 vfs_rmdir+0x26a/0x560 fs/namei.c:4361
 incfs_kill_sb+0x109/0x230 fs/incfs/vfs.c:1968
 deactivate_locked_super+0xd5/0x2a0 fs/super.c:478
 deactivate_super+0xb8/0xe0 fs/super.c:511
 cleanup_mnt+0x406/0x4a0 fs/namespace.c:1380
 __cleanup_mnt+0x1d/0x40 fs/namespace.c:1387
 task_work_run+0x1e5/0x260 kernel/task_work.c:246
 resume_user_mode_work+0x35/0x50 include/linux/resume_user_mode.h:50
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x63/0xb0 kernel/entry/common.c:218
 do_syscall_64+0x63/0xf0 arch/x86/entry/common.c:84
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f4ee039da57
Code: a2 c7 05 9c fc 24 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:00007ffd13df1648 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f4ee039da57
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd13df1700
RBP: 00007ffd13df1700 R08: 00007ffd13df2700 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd13df2790
R13: 00007f4ee0432048 R14: 0000000000006af7 R15: 00007ffd13df27d0
 </TASK>
==================================================================
BUG: kernel NULL pointer dereference, address: 0000000000000168
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 800000012b0db067 P4D 800000012b0db067 PUD 0 
Oops: Oops: 0002 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 367 Comm: syz-executor Tainted: G    B   W          syzkaller #0 f4a4c1113d1fc99d80605e766864695bb8e4828c
Tainted: [B]=BAD_PAGE, [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:arch_atomic_add_return arch/x86/include/asm/atomic.h:85 [inline]
RIP: 0010:raw_atomic_add_return include/linux/atomic/atomic-arch-fallback.h:564 [inline]
RIP: 0010:raw_atomic_inc_return include/linux/atomic/atomic-arch-fallback.h:1020 [inline]
RIP: 0010:atomic_inc_return include/linux/atomic/atomic-instrumented.h:454 [inline]
RIP: 0010:ihold+0x2a/0x70 fs/inode.c:452
Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 dd dc 95 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 9c 0c ee ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 68 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 ed
RSP: 0018:ffffc900010efca0 EFLAGS: 00010246
RAX: ffff88811517a600 RBX: 0000000000000000 RCX: ffff88811517a600
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900010efcb0 R08: ffffffff88b98947 R09: 1ffffffff1173128
R10: dffffc0000000000 R11: fffffbfff1173129 R12: ffff888114b147ec
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  0000555583e48500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000168 CR3: 000000010c7f2000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 d_delete_notify include/linux/fsnotify.h:357 [inline]
 vfs_rmdir+0x26a/0x560 fs/namei.c:4361
 incfs_kill_sb+0x109/0x230 fs/incfs/vfs.c:1968
 deactivate_locked_super+0xd5/0x2a0 fs/super.c:478
 deactivate_super+0xb8/0xe0 fs/super.c:511
 cleanup_mnt+0x406/0x4a0 fs/namespace.c:1380
 __cleanup_mnt+0x1d/0x40 fs/namespace.c:1387
 task_work_run+0x1e5/0x260 kernel/task_work.c:246
 resume_user_mode_work+0x35/0x50 include/linux/resume_user_mode.h:50
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x63/0xb0 kernel/entry/common.c:218
 do_syscall_64+0x63/0xf0 arch/x86/entry/common.c:84
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f4ee039da57
Code: a2 c7 05 9c fc 24 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:00007ffd13df1648 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f4ee039da57
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd13df1700
RBP: 00007ffd13df1700 R08: 00007ffd13df2700 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd13df2790
R13: 00007f4ee0432048 R14: 0000000000006af7 R15: 00007ffd13df27d0
 </TASK>
Modules linked in:
CR2: 0000000000000168
---[ end trace 0000000000000000 ]---
RIP: 0010:arch_atomic_add_return arch/x86/include/asm/atomic.h:85 [inline]
RIP: 0010:raw_atomic_add_return include/linux/atomic/atomic-arch-fallback.h:564 [inline]
RIP: 0010:raw_atomic_inc_return include/linux/atomic/atomic-arch-fallback.h:1020 [inline]
RIP: 0010:atomic_inc_return include/linux/atomic/atomic-instrumented.h:454 [inline]
RIP: 0010:ihold+0x2a/0x70 fs/inode.c:452
Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 dd dc 95 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 9c 0c ee ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 68 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 ed
RSP: 0018:ffffc900010efca0 EFLAGS: 00010246
RAX: ffff88811517a600 RBX: 0000000000000000 RCX: ffff88811517a600
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900010efcb0 R08: ffffffff88b98947 R09: 1ffffffff1173128
R10: dffffc0000000000 R11: fffffbfff1173129 R12: ffff888114b147ec
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  0000555583e48500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000168 CR3: 000000010c7f2000 CR4: 00000000003526b0
----------------
Code disassembly (best guess):
   0:	f3 0f 1e fa          	endbr64
   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 dd dc 95 ff       	call   0xff95dcf0
  13:	48 8d bb 68 01 00 00 	lea    0x168(%rbx),%rdi
  1a:	be 04 00 00 00       	mov    $0x4,%esi
  1f:	e8 9c 0c ee ff       	call   0xffee0cc0
  24:	41 be 01 00 00 00    	mov    $0x1,%r14d
* 2a:	f0 44 0f c1 b3 68 01 	lock xadd %r14d,0x168(%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:	ed                   	in     (%dx),%eax

final repro crashed as (corrupted=false):
veth0_vlan: entered promiscuous mode
veth1_macvtap: entered promiscuous mode
------------[ cut here ]------------
WARNING: CPU: 0 PID: 367 at fs/inode.c:340 drop_nlink+0xce/0x110 fs/inode.c:340
Modules linked in:
CPU: 0 UID: 0 PID: 367 Comm: syz-executor Not tainted syzkaller #0 f4a4c1113d1fc99d80605e766864695bb8e4828c
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:drop_nlink+0xce/0x110 fs/inode.c:340
Code: 04 00 00 be 08 00 00 00 e8 df 15 ee ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 f2 e5 95 ff <0f> 0b eb 81 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 59 ff ff ff 4c
RSP: 0018:ffffc900010efc60 EFLAGS: 00010293
RAX: ffffffff81f1c4be RBX: ffff888114b147e0 RCX: ffff88811517a600
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900010efc88 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffff5200021df7c R12: dffffc0000000000
R13: 1ffff11022962905 R14: ffff888114b14828 R15: 0000000000000000
FS:  0000555583e48500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555583e6b948 CR3: 000000010c7f2000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 shmem_rmdir+0x5f/0x90 mm/shmem.c:3768
 vfs_rmdir+0x3e3/0x560 fs/namei.c:4348
 incfs_kill_sb+0x109/0x230 fs/incfs/vfs.c:1968
 deactivate_locked_super+0xd5/0x2a0 fs/super.c:478
 deactivate_super+0xb8/0xe0 fs/super.c:511
 cleanup_mnt+0x406/0x4a0 fs/namespace.c:1380
 __cleanup_mnt+0x1d/0x40 fs/namespace.c:1387
 task_work_run+0x1e5/0x260 kernel/task_work.c:246
 resume_user_mode_work+0x35/0x50 include/linux/resume_user_mode.h:50
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x63/0xb0 kernel/entry/common.c:218
 do_syscall_64+0x63/0xf0 arch/x86/entry/common.c:84
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f4ee039da57
Code: a2 c7 05 9c fc 24 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:00007ffd13df1648 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f4ee039da57
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd13df1700
RBP: 00007ffd13df1700 R08: 00007ffd13df2700 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd13df2790
R13: 00007f4ee0432048 R14: 0000000000006af7 R15: 00007ffd13df27d0
 </TASK>
---[ end trace 0000000000000000 ]---
==================================================================
BUG: KASAN: null-ptr-deref in instrument_atomic_read_write include/linux/instrumented.h:96 [inline]
BUG: KASAN: null-ptr-deref in atomic_inc_return include/linux/atomic/atomic-instrumented.h:453 [inline]
BUG: KASAN: null-ptr-deref in ihold+0x24/0x70 fs/inode.c:452
Write of size 4 at addr 0000000000000168 by task syz-executor/367

CPU: 1 UID: 0 PID: 367 Comm: syz-executor Tainted: G        W          syzkaller #0 f4a4c1113d1fc99d80605e766864695bb8e4828c
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:94
 dump_stack_lvl+0x140/0x1c0 lib/dump_stack.c:120
 print_report+0x3d/0x70 mm/kasan/report.c:484
 kasan_report+0x162/0x1a0 mm/kasan/report.c:594
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x25a/0x2b0 mm/kasan/generic.c:189
 __kasan_check_write+0x18/0x20 mm/kasan/shadow.c:37
 instrument_atomic_read_write include/linux/instrumented.h:96 [inline]
 atomic_inc_return include/linux/atomic/atomic-instrumented.h:453 [inline]
 ihold+0x24/0x70 fs/inode.c:452
 d_delete_notify include/linux/fsnotify.h:357 [inline]
 vfs_rmdir+0x26a/0x560 fs/namei.c:4361
 incfs_kill_sb+0x109/0x230 fs/incfs/vfs.c:1968
 deactivate_locked_super+0xd5/0x2a0 fs/super.c:478
 deactivate_super+0xb8/0xe0 fs/super.c:511
 cleanup_mnt+0x406/0x4a0 fs/namespace.c:1380
 __cleanup_mnt+0x1d/0x40 fs/namespace.c:1387
 task_work_run+0x1e5/0x260 kernel/task_work.c:246
 resume_user_mode_work+0x35/0x50 include/linux/resume_user_mode.h:50
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x63/0xb0 kernel/entry/common.c:218
 do_syscall_64+0x63/0xf0 arch/x86/entry/common.c:84
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f4ee039da57
Code: a2 c7 05 9c fc 24 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:00007ffd13df1648 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f4ee039da57
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd13df1700
RBP: 00007ffd13df1700 R08: 00007ffd13df2700 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd13df2790
R13: 00007f4ee0432048 R14: 0000000000006af7 R15: 00007ffd13df27d0
 </TASK>
==================================================================
BUG: kernel NULL pointer dereference, address: 0000000000000168
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 800000012b0db067 P4D 800000012b0db067 PUD 0 
Oops: Oops: 0002 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 367 Comm: syz-executor Tainted: G    B   W          syzkaller #0 f4a4c1113d1fc99d80605e766864695bb8e4828c
Tainted: [B]=BAD_PAGE, [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2026
RIP: 0010:arch_atomic_add_return arch/x86/include/asm/atomic.h:85 [inline]
RIP: 0010:raw_atomic_add_return include/linux/atomic/atomic-arch-fallback.h:564 [inline]
RIP: 0010:raw_atomic_inc_return include/linux/atomic/atomic-arch-fallback.h:1020 [inline]
RIP: 0010:atomic_inc_return include/linux/atomic/atomic-instrumented.h:454 [inline]
RIP: 0010:ihold+0x2a/0x70 fs/inode.c:452
Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 dd dc 95 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 9c 0c ee ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 68 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 ed
RSP: 0018:ffffc900010efca0 EFLAGS: 00010246
RAX: ffff88811517a600 RBX: 0000000000000000 RCX: ffff88811517a600
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900010efcb0 R08: ffffffff88b98947 R09: 1ffffffff1173128
R10: dffffc0000000000 R11: fffffbfff1173129 R12: ffff888114b147ec
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  0000555583e48500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000168 CR3: 000000010c7f2000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 d_delete_notify include/linux/fsnotify.h:357 [inline]
 vfs_rmdir+0x26a/0x560 fs/namei.c:4361
 incfs_kill_sb+0x109/0x230 fs/incfs/vfs.c:1968
 deactivate_locked_super+0xd5/0x2a0 fs/super.c:478
 deactivate_super+0xb8/0xe0 fs/super.c:511
 cleanup_mnt+0x406/0x4a0 fs/namespace.c:1380
 __cleanup_mnt+0x1d/0x40 fs/namespace.c:1387
 task_work_run+0x1e5/0x260 kernel/task_work.c:246
 resume_user_mode_work+0x35/0x50 include/linux/resume_user_mode.h:50
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x63/0xb0 kernel/entry/common.c:218
 do_syscall_64+0x63/0xf0 arch/x86/entry/common.c:84
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f4ee039da57
Code: a2 c7 05 9c fc 24 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:00007ffd13df1648 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f4ee039da57
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd13df1700
RBP: 00007ffd13df1700 R08: 00007ffd13df2700 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd13df2790
R13: 00007f4ee0432048 R14: 0000000000006af7 R15: 00007ffd13df27d0
 </TASK>
Modules linked in:
CR2: 0000000000000168
---[ end trace 0000000000000000 ]---
RIP: 0010:arch_atomic_add_return arch/x86/include/asm/atomic.h:85 [inline]
RIP: 0010:raw_atomic_add_return include/linux/atomic/atomic-arch-fallback.h:564 [inline]
RIP: 0010:raw_atomic_inc_return include/linux/atomic/atomic-arch-fallback.h:1020 [inline]
RIP: 0010:atomic_inc_return include/linux/atomic/atomic-instrumented.h:454 [inline]
RIP: 0010:ihold+0x2a/0x70 fs/inode.c:452
Code: f3 0f 1e fa 55 48 89 e5 41 56 53 48 89 fb e8 dd dc 95 ff 48 8d bb 68 01 00 00 be 04 00 00 00 e8 9c 0c ee ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 68 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 ed
RSP: 0018:ffffc900010efca0 EFLAGS: 00010246
RAX: ffff88811517a600 RBX: 0000000000000000 RCX: ffff88811517a600
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc900010efcb0 R08: ffffffff88b98947 R09: 1ffffffff1173128
R10: dffffc0000000000 R11: fffffbfff1173129 R12: ffff888114b147ec
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  0000555583e48500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000168 CR3: 000000010c7f2000 CR4: 00000000003526b0
----------------
Code disassembly (best guess):
   0:	f3 0f 1e fa          	endbr64
   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 dd dc 95 ff       	call   0xff95dcf0
  13:	48 8d bb 68 01 00 00 	lea    0x168(%rbx),%rdi
  1a:	be 04 00 00 00       	mov    $0x4,%esi
  1f:	e8 9c 0c ee ff       	call   0xffee0cc0
  24:	41 be 01 00 00 00    	mov    $0x1,%r14d
* 2a:	f0 44 0f c1 b3 68 01 	lock xadd %r14d,0x168(%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:	ed                   	in     (%dx),%eax