Extracting prog: 25.725675145s
Minimizing prog: 27m42.479243432s
Simplifying prog options: 0s
Extracting C: 1m2.836644354s
Simplifying C: 13m1.618366976s


extracting reproducer from 63 programs
first checking the prog from the crash report
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-bpf$PROG_LOAD-mount$overlay-open-mknodat$loop-chdir-mkdir-mount$incfs-chdir-read$FUSE-syz_mount_image$fuse-renameat2-linkat-link-capset-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-open
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x8)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x88)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xd, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x61, 0x14, 0x90}, [@ldst={0x4, 0x0, 0x1, 0x0, 0x0, 0x0, 0xfffffffffffffff0}]}, &(0x7f0000000000)='syzkaller\x00', 0x5, 0xcab5, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops}, 0x48)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@metacopy_on}]})
r0 = open(&(0x7f0000000480)='./file0\x00', 0x0, 0x718bb647156ec3b7)
mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x200, 0x0)
chdir(&(0x7f0000000140)='./bus\x00')
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
read$FUSE(r0, &(0x7f0000001640)={0x2020}, 0x2020)
syz_mount_image$fuse(0x0, &(0x7f0000000580)='./file1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
renameat2(0xffffffffffffff9c, &(0x7f00000007c0)='./file1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0xffffffffffffff9c, &(0x7f0000000680)='./bus\x00', 0x2)
linkat(r0, &(0x7f0000000040)='./file1\x00', r0, &(0x7f0000000180)='./bus\x00', 0x0)
link(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0)='./file0\x00')
capset(&(0x7f0000000080)={0x20071026}, &(0x7f0000000040)={0x208004, 0x21fffc, 0xc, 0x0, 0x2, 0xfffffffe})
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz0\x00', 0x1ff)
r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r2 = openat$cgroup_procs(r1, &(0x7f0000000040)='cgroup.procs\x00', 0x2, 0x0)
write$cgroup_pid(r2, &(0x7f00000000c0), 0x12)
open(&(0x7f0000000440)='./file0\x00', 0x0, 0x0)

program crashed: general protection fault in security_inode_getattr
single: successfully extracted reproducer
found reproducer with 22 syscalls
minimizing guilty program
testing program (duration=34.001506767s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-bpf$PROG_LOAD-mount$overlay-open-mknodat$loop-chdir-mkdir-mount$incfs-chdir-read$FUSE-syz_mount_image$fuse-renameat2-linkat-link-capset-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x8)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x88)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xd, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x61, 0x14, 0x90}, [@ldst={0x4, 0x0, 0x1, 0x0, 0x0, 0x0, 0xfffffffffffffff0}]}, &(0x7f0000000000)='syzkaller\x00', 0x5, 0xcab5, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops}, 0x48)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@metacopy_on}]})
r0 = open(&(0x7f0000000480)='./file0\x00', 0x0, 0x718bb647156ec3b7)
mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x200, 0x0)
chdir(&(0x7f0000000140)='./bus\x00')
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
read$FUSE(r0, &(0x7f0000001640)={0x2020}, 0x2020)
syz_mount_image$fuse(0x0, &(0x7f0000000580)='./file1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
renameat2(0xffffffffffffff9c, &(0x7f00000007c0)='./file1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0xffffffffffffff9c, &(0x7f0000000680)='./bus\x00', 0x2)
linkat(r0, &(0x7f0000000040)='./file1\x00', r0, &(0x7f0000000180)='./bus\x00', 0x0)
link(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0)='./file0\x00')
capset(&(0x7f0000000080)={0x20071026}, &(0x7f0000000040)={0x208004, 0x21fffc, 0xc, 0x0, 0x2, 0xfffffffe})
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz0\x00', 0x1ff)
r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
r2 = openat$cgroup_procs(r1, &(0x7f0000000040)='cgroup.procs\x00', 0x2, 0x0)
write$cgroup_pid(r2, &(0x7f00000000c0), 0x12)

program did not crash
testing program (duration=34.001506767s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-bpf$PROG_LOAD-mount$overlay-open-mknodat$loop-chdir-mkdir-mount$incfs-chdir-read$FUSE-syz_mount_image$fuse-renameat2-linkat-link-capset-mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-open
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x8)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x88)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xd, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x61, 0x14, 0x90}, [@ldst={0x4, 0x0, 0x1, 0x0, 0x0, 0x0, 0xfffffffffffffff0}]}, &(0x7f0000000000)='syzkaller\x00', 0x5, 0xcab5, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops}, 0x48)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@metacopy_on}]})
r0 = open(&(0x7f0000000480)='./file0\x00', 0x0, 0x718bb647156ec3b7)
mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x200, 0x0)
chdir(&(0x7f0000000140)='./bus\x00')
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
read$FUSE(r0, &(0x7f0000001640)={0x2020}, 0x2020)
syz_mount_image$fuse(0x0, &(0x7f0000000580)='./file1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
renameat2(0xffffffffffffff9c, &(0x7f00000007c0)='./file1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0xffffffffffffff9c, &(0x7f0000000680)='./bus\x00', 0x2)
linkat(r0, &(0x7f0000000040)='./file1\x00', r0, &(0x7f0000000180)='./bus\x00', 0x0)
link(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0)='./file0\x00')
capset(&(0x7f0000000080)={0x20071026}, &(0x7f0000000040)={0x208004, 0x21fffc, 0xc, 0x0, 0x2, 0xfffffffe})
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz0\x00', 0x1ff)
r1 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
openat$cgroup_procs(r1, &(0x7f0000000040)='cgroup.procs\x00', 0x2, 0x0)
open(&(0x7f0000000440)='./file0\x00', 0x0, 0x0)

program crashed: general protection fault in security_inode_getattr
testing program (duration=34.001506767s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-bpf$PROG_LOAD-mount$overlay-open-mknodat$loop-chdir-mkdir-mount$incfs-chdir-read$FUSE-syz_mount_image$fuse-renameat2-linkat-link-capset-mkdirat$cgroup_root-openat$cgroup_root-open
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x8)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x88)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xd, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x61, 0x14, 0x90}, [@ldst={0x4, 0x0, 0x1, 0x0, 0x0, 0x0, 0xfffffffffffffff0}]}, &(0x7f0000000000)='syzkaller\x00', 0x5, 0xcab5, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops}, 0x48)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@metacopy_on}]})
r0 = open(&(0x7f0000000480)='./file0\x00', 0x0, 0x718bb647156ec3b7)
mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x200, 0x0)
chdir(&(0x7f0000000140)='./bus\x00')
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
read$FUSE(r0, &(0x7f0000001640)={0x2020}, 0x2020)
syz_mount_image$fuse(0x0, &(0x7f0000000580)='./file1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
renameat2(0xffffffffffffff9c, &(0x7f00000007c0)='./file1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0xffffffffffffff9c, &(0x7f0000000680)='./bus\x00', 0x2)
linkat(r0, &(0x7f0000000040)='./file1\x00', r0, &(0x7f0000000180)='./bus\x00', 0x0)
link(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0)='./file0\x00')
capset(&(0x7f0000000080)={0x20071026}, &(0x7f0000000040)={0x208004, 0x21fffc, 0xc, 0x0, 0x2, 0xfffffffe})
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz0\x00', 0x1ff)
openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0)
open(&(0x7f0000000440)='./file0\x00', 0x0, 0x0)

program crashed: general protection fault in security_inode_getattr
testing program (duration=34.001506767s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-bpf$PROG_LOAD-mount$overlay-open-mknodat$loop-chdir-mkdir-mount$incfs-chdir-read$FUSE-syz_mount_image$fuse-renameat2-linkat-link-capset-mkdirat$cgroup_root-open
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x8)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x88)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xd, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x61, 0x14, 0x90}, [@ldst={0x4, 0x0, 0x1, 0x0, 0x0, 0x0, 0xfffffffffffffff0}]}, &(0x7f0000000000)='syzkaller\x00', 0x5, 0xcab5, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops}, 0x48)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@metacopy_on}]})
r0 = open(&(0x7f0000000480)='./file0\x00', 0x0, 0x718bb647156ec3b7)
mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x200, 0x0)
chdir(&(0x7f0000000140)='./bus\x00')
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
read$FUSE(r0, &(0x7f0000001640)={0x2020}, 0x2020)
syz_mount_image$fuse(0x0, &(0x7f0000000580)='./file1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
renameat2(0xffffffffffffff9c, &(0x7f00000007c0)='./file1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0xffffffffffffff9c, &(0x7f0000000680)='./bus\x00', 0x2)
linkat(r0, &(0x7f0000000040)='./file1\x00', r0, &(0x7f0000000180)='./bus\x00', 0x0)
link(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0)='./file0\x00')
capset(&(0x7f0000000080)={0x20071026}, &(0x7f0000000040)={0x208004, 0x21fffc, 0xc, 0x0, 0x2, 0xfffffffe})
mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.cpu/syz0\x00', 0x1ff)
open(&(0x7f0000000440)='./file0\x00', 0x0, 0x0)

program crashed: general protection fault in security_inode_getattr
testing program (duration=34.001506767s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-bpf$PROG_LOAD-mount$overlay-open-mknodat$loop-chdir-mkdir-mount$incfs-chdir-read$FUSE-syz_mount_image$fuse-renameat2-linkat-link-capset-open
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x8)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x88)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xd, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x61, 0x14, 0x90}, [@ldst={0x4, 0x0, 0x1, 0x0, 0x0, 0x0, 0xfffffffffffffff0}]}, &(0x7f0000000000)='syzkaller\x00', 0x5, 0xcab5, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops}, 0x48)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@metacopy_on}]})
r0 = open(&(0x7f0000000480)='./file0\x00', 0x0, 0x718bb647156ec3b7)
mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x200, 0x0)
chdir(&(0x7f0000000140)='./bus\x00')
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
read$FUSE(r0, &(0x7f0000001640)={0x2020}, 0x2020)
syz_mount_image$fuse(0x0, &(0x7f0000000580)='./file1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
renameat2(0xffffffffffffff9c, &(0x7f00000007c0)='./file1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0xffffffffffffff9c, &(0x7f0000000680)='./bus\x00', 0x2)
linkat(r0, &(0x7f0000000040)='./file1\x00', r0, &(0x7f0000000180)='./bus\x00', 0x0)
link(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0)='./file0\x00')
capset(&(0x7f0000000080)={0x20071026}, &(0x7f0000000040)={0x208004, 0x21fffc, 0xc, 0x0, 0x2, 0xfffffffe})
open(&(0x7f0000000440)='./file0\x00', 0x0, 0x0)

program crashed: general protection fault in security_inode_getattr
testing program (duration=34.001506767s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-bpf$PROG_LOAD-mount$overlay-open-mknodat$loop-chdir-mkdir-mount$incfs-chdir-read$FUSE-syz_mount_image$fuse-renameat2-linkat-link-open
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x8)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x88)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xd, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x61, 0x14, 0x90}, [@ldst={0x4, 0x0, 0x1, 0x0, 0x0, 0x0, 0xfffffffffffffff0}]}, &(0x7f0000000000)='syzkaller\x00', 0x5, 0xcab5, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops}, 0x48)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@metacopy_on}]})
r0 = open(&(0x7f0000000480)='./file0\x00', 0x0, 0x718bb647156ec3b7)
mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x200, 0x0)
chdir(&(0x7f0000000140)='./bus\x00')
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
read$FUSE(r0, &(0x7f0000001640)={0x2020}, 0x2020)
syz_mount_image$fuse(0x0, &(0x7f0000000580)='./file1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
renameat2(0xffffffffffffff9c, &(0x7f00000007c0)='./file1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0xffffffffffffff9c, &(0x7f0000000680)='./bus\x00', 0x2)
linkat(r0, &(0x7f0000000040)='./file1\x00', r0, &(0x7f0000000180)='./bus\x00', 0x0)
link(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0)='./file0\x00')
open(&(0x7f0000000440)='./file0\x00', 0x0, 0x0)

program crashed: general protection fault in security_inode_getattr
testing program (duration=34.001506767s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-bpf$PROG_LOAD-mount$overlay-open-mknodat$loop-chdir-mkdir-mount$incfs-chdir-read$FUSE-syz_mount_image$fuse-renameat2-linkat-open
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x8)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x88)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xd, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x61, 0x14, 0x90}, [@ldst={0x4, 0x0, 0x1, 0x0, 0x0, 0x0, 0xfffffffffffffff0}]}, &(0x7f0000000000)='syzkaller\x00', 0x5, 0xcab5, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops}, 0x48)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@metacopy_on}]})
r0 = open(&(0x7f0000000480)='./file0\x00', 0x0, 0x718bb647156ec3b7)
mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x200, 0x0)
chdir(&(0x7f0000000140)='./bus\x00')
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
read$FUSE(r0, &(0x7f0000001640)={0x2020}, 0x2020)
syz_mount_image$fuse(0x0, &(0x7f0000000580)='./file1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
renameat2(0xffffffffffffff9c, &(0x7f00000007c0)='./file1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0xffffffffffffff9c, &(0x7f0000000680)='./bus\x00', 0x2)
linkat(r0, &(0x7f0000000040)='./file1\x00', r0, &(0x7f0000000180)='./bus\x00', 0x0)
open(&(0x7f0000000440)='./file0\x00', 0x0, 0x0)

program did not crash
testing program (duration=34.001506767s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-bpf$PROG_LOAD-mount$overlay-open-mknodat$loop-chdir-mkdir-mount$incfs-chdir-read$FUSE-syz_mount_image$fuse-renameat2-link-open
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x8)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x88)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xd, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x61, 0x14, 0x90}, [@ldst={0x4, 0x0, 0x1, 0x0, 0x0, 0x0, 0xfffffffffffffff0}]}, &(0x7f0000000000)='syzkaller\x00', 0x5, 0xcab5, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops}, 0x48)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@metacopy_on}]})
r0 = open(&(0x7f0000000480)='./file0\x00', 0x0, 0x718bb647156ec3b7)
mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x200, 0x0)
chdir(&(0x7f0000000140)='./bus\x00')
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
read$FUSE(r0, &(0x7f0000001640)={0x2020}, 0x2020)
syz_mount_image$fuse(0x0, &(0x7f0000000580)='./file1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
renameat2(0xffffffffffffff9c, &(0x7f00000007c0)='./file1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0xffffffffffffff9c, &(0x7f0000000680)='./bus\x00', 0x2)
link(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0)='./file0\x00')
open(&(0x7f0000000440)='./file0\x00', 0x0, 0x0)

program crashed: general protection fault in security_inode_getattr
testing program (duration=34.001506767s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-bpf$PROG_LOAD-mount$overlay-open-mknodat$loop-chdir-mkdir-mount$incfs-chdir-read$FUSE-syz_mount_image$fuse-link-open
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x8)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x88)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xd, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x61, 0x14, 0x90}, [@ldst={0x4, 0x0, 0x1, 0x0, 0x0, 0x0, 0xfffffffffffffff0}]}, &(0x7f0000000000)='syzkaller\x00', 0x5, 0xcab5, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops}, 0x48)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@metacopy_on}]})
r0 = open(&(0x7f0000000480)='./file0\x00', 0x0, 0x718bb647156ec3b7)
mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x200, 0x0)
chdir(&(0x7f0000000140)='./bus\x00')
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
read$FUSE(r0, &(0x7f0000001640)={0x2020}, 0x2020)
syz_mount_image$fuse(0x0, &(0x7f0000000580)='./file1aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
link(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0)='./file0\x00')
open(&(0x7f0000000440)='./file0\x00', 0x0, 0x0)

program crashed: general protection fault in security_inode_getattr
testing program (duration=34.001506767s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-bpf$PROG_LOAD-mount$overlay-open-mknodat$loop-chdir-mkdir-mount$incfs-chdir-read$FUSE-link-open
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x8)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x88)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xd, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x61, 0x14, 0x90}, [@ldst={0x4, 0x0, 0x1, 0x0, 0x0, 0x0, 0xfffffffffffffff0}]}, &(0x7f0000000000)='syzkaller\x00', 0x5, 0xcab5, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops}, 0x48)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@metacopy_on}]})
r0 = open(&(0x7f0000000480)='./file0\x00', 0x0, 0x718bb647156ec3b7)
mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x200, 0x0)
chdir(&(0x7f0000000140)='./bus\x00')
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
read$FUSE(r0, &(0x7f0000001640)={0x2020}, 0x2020)
link(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0)='./file0\x00')
open(&(0x7f0000000440)='./file0\x00', 0x0, 0x0)

program crashed: general protection fault in security_inode_getattr
testing program (duration=34.001506767s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-bpf$PROG_LOAD-mount$overlay-open-mknodat$loop-chdir-mkdir-mount$incfs-chdir-link-open
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x8)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x88)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xd, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x61, 0x14, 0x90}, [@ldst={0x4, 0x0, 0x1, 0x0, 0x0, 0x0, 0xfffffffffffffff0}]}, &(0x7f0000000000)='syzkaller\x00', 0x5, 0xcab5, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops}, 0x48)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@metacopy_on}]})
r0 = open(&(0x7f0000000480)='./file0\x00', 0x0, 0x718bb647156ec3b7)
mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x200, 0x0)
chdir(&(0x7f0000000140)='./bus\x00')
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
link(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0)='./file0\x00')
open(&(0x7f0000000440)='./file0\x00', 0x0, 0x0)

program crashed: general protection fault in security_inode_getattr
testing program (duration=34.001506767s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-bpf$PROG_LOAD-mount$overlay-open-mknodat$loop-chdir-mkdir-mount$incfs-link-open
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x8)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x88)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xd, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x61, 0x14, 0x90}, [@ldst={0x4, 0x0, 0x1, 0x0, 0x0, 0x0, 0xfffffffffffffff0}]}, &(0x7f0000000000)='syzkaller\x00', 0x5, 0xcab5, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops}, 0x48)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@metacopy_on}]})
r0 = open(&(0x7f0000000480)='./file0\x00', 0x0, 0x718bb647156ec3b7)
mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x200, 0x0)
chdir(&(0x7f0000000140)='./bus\x00')
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
link(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0)='./file0\x00')
open(&(0x7f0000000440)='./file0\x00', 0x0, 0x0)

program did not crash
testing program (duration=34.001506767s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-bpf$PROG_LOAD-mount$overlay-open-mknodat$loop-chdir-mkdir-chdir-link-open
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x8)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x88)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xd, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x61, 0x14, 0x90}, [@ldst={0x4, 0x0, 0x1, 0x0, 0x0, 0x0, 0xfffffffffffffff0}]}, &(0x7f0000000000)='syzkaller\x00', 0x5, 0xcab5, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops}, 0x48)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@metacopy_on}]})
r0 = open(&(0x7f0000000480)='./file0\x00', 0x0, 0x718bb647156ec3b7)
mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x200, 0x0)
chdir(&(0x7f0000000140)='./bus\x00')
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
link(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0)='./file0\x00')
open(&(0x7f0000000440)='./file0\x00', 0x0, 0x0)

program did not crash
testing program (duration=34.001506767s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-bpf$PROG_LOAD-mount$overlay-open-mknodat$loop-chdir-mount$incfs-chdir-link-open
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x8)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x88)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xd, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x61, 0x14, 0x90}, [@ldst={0x4, 0x0, 0x1, 0x0, 0x0, 0x0, 0xfffffffffffffff0}]}, &(0x7f0000000000)='syzkaller\x00', 0x5, 0xcab5, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops}, 0x48)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@metacopy_on}]})
r0 = open(&(0x7f0000000480)='./file0\x00', 0x0, 0x718bb647156ec3b7)
mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x200, 0x0)
chdir(&(0x7f0000000140)='./bus\x00')
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
link(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0)='./file0\x00')
open(&(0x7f0000000440)='./file0\x00', 0x0, 0x0)

program did not crash
testing program (duration=34.001506767s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-bpf$PROG_LOAD-mount$overlay-open-mknodat$loop-mkdir-mount$incfs-chdir-link-open
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x8)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x88)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xd, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x61, 0x14, 0x90}, [@ldst={0x4, 0x0, 0x1, 0x0, 0x0, 0x0, 0xfffffffffffffff0}]}, &(0x7f0000000000)='syzkaller\x00', 0x5, 0xcab5, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops}, 0x48)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@metacopy_on}]})
r0 = open(&(0x7f0000000480)='./file0\x00', 0x0, 0x718bb647156ec3b7)
mknodat$loop(r0, &(0x7f0000001600)='./file1\x00', 0x200, 0x0)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
link(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0)='./file0\x00')
open(&(0x7f0000000440)='./file0\x00', 0x0, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing program (duration=34.001506767s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-bpf$PROG_LOAD-mount$overlay-open-mkdir-mount$incfs-chdir-link-open
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x8)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x88)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xd, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x61, 0x14, 0x90}, [@ldst={0x4, 0x0, 0x1, 0x0, 0x0, 0x0, 0xfffffffffffffff0}]}, &(0x7f0000000000)='syzkaller\x00', 0x5, 0xcab5, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops}, 0x48)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@metacopy_on}]})
open(&(0x7f0000000480)='./file0\x00', 0x0, 0x718bb647156ec3b7)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
link(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0)='./file0\x00')
open(&(0x7f0000000440)='./file0\x00', 0x0, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing program (duration=34.001506767s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-bpf$PROG_LOAD-mount$overlay-mkdir-mount$incfs-chdir-link-open
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x8)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x88)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xd, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x61, 0x14, 0x90}, [@ldst={0x4, 0x0, 0x1, 0x0, 0x0, 0x0, 0xfffffffffffffff0}]}, &(0x7f0000000000)='syzkaller\x00', 0x5, 0xcab5, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops}, 0x48)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@metacopy_on}]})
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
link(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0)='./file0\x00')
open(&(0x7f0000000440)='./file0\x00', 0x0, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing program (duration=34.001506767s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-bpf$PROG_LOAD-mkdir-mount$incfs-chdir-link-open
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x8)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x88)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0xd, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x61, 0x14, 0x90}, [@ldst={0x4, 0x0, 0x1, 0x0, 0x0, 0x0, 0xfffffffffffffff0}]}, &(0x7f0000000000)='syzkaller\x00', 0x5, 0xcab5, &(0x7f000000cf3d)=""/195, 0x0, 0x0, '\x00', 0x0, @sock_ops}, 0x48)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
link(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0)='./file0\x00')
open(&(0x7f0000000440)='./file0\x00', 0x0, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing program (duration=34.001506767s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mkdir-mount$incfs-chdir-link-open
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x8)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x88)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
link(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0)='./file0\x00')
open(&(0x7f0000000440)='./file0\x00', 0x0, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing program (duration=34.001506767s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdir-mount$incfs-chdir-link-open
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x8)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x88)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
link(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0)='./file0\x00')
open(&(0x7f0000000440)='./file0\x00', 0x0, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing program (duration=34.001506767s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdir-mount$incfs-chdir-link-open
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./file0\x00', 0x8)
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
link(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0)='./file0\x00')
open(&(0x7f0000000440)='./file0\x00', 0x0, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing program (duration=34.001506767s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs-chdir-link-open
detailed listing:
executing program 0:
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
link(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0)='./file0\x00')
open(&(0x7f0000000440)='./file0\x00', 0x0, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing program (duration=34.001506767s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs-chdir-link-open
detailed listing:
executing program 0:
mkdir(0x0, 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
link(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0)='./file0\x00')
open(&(0x7f0000000440)='./file0\x00', 0x0, 0x0)

program did not crash
testing program (duration=34.001506767s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs-chdir-link-open
detailed listing:
executing program 0:
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(0x0, &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
link(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0)='./file0\x00')
open(&(0x7f0000000440)='./file0\x00', 0x0, 0x0)

program did not crash
testing program (duration=34.001506767s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs-chdir-link-open
detailed listing:
executing program 0:
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', 0x0, &(0x7f0000000840), 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
link(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0)='./file0\x00')
open(&(0x7f0000000440)='./file0\x00', 0x0, 0x0)

program did not crash
testing program (duration=34.001506767s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs-chdir-link-open
detailed listing:
executing program 0:
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', 0x0, 0x1004002, 0x0)
chdir(&(0x7f00000001c0)='./bus\x00')
link(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0)='./file0\x00')
open(&(0x7f0000000440)='./file0\x00', 0x0, 0x0)

program did not crash
testing program (duration=34.001506767s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs-chdir-link-open
detailed listing:
executing program 0:
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(0x0)
link(&(0x7f0000000000)='./file1\x00', &(0x7f00000001c0)='./file0\x00')
open(&(0x7f0000000440)='./file0\x00', 0x0, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing program (duration=34.001506767s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs-chdir-link-open
detailed listing:
executing program 0:
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(0x0)
link(0x0, &(0x7f00000001c0)='./file0\x00')
open(&(0x7f0000000440)='./file0\x00', 0x0, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing program (duration=34.001506767s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs-chdir-link-open
detailed listing:
executing program 0:
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(0x0)
link(0x0, 0x0)
open(&(0x7f0000000440)='./file0\x00', 0x0, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing program (duration=34.001506767s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs-chdir-link-open
detailed listing:
executing program 0:
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(0x0)
link(0x0, 0x0)
open(0x0, 0x0, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
extracting C reproducer
testing compiled C program (duration=34.001506767s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs-chdir-link-open
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
simplifying C reproducer
testing compiled C program (duration=34.001506767s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs-chdir-link-open
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=34.001506767s, {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$incfs-chdir-link-open
program did not crash
testing compiled C program (duration=34.001506767s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs-chdir-link-open
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=34.001506767s, {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$incfs-chdir-link-open
program did not crash
testing compiled C program (duration=34.001506767s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs-chdir-link-open
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=34.001506767s, {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$incfs-chdir-link-open
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=34.001506767s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs-chdir-link-open
program did not crash
testing compiled C program (duration=34.001506767s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true 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$incfs-chdir-link-open
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=34.001506767s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs-chdir-link-open
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=34.001506767s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true 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$incfs-chdir-link-open
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=34.001506767s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs-chdir-link-open
program did not crash
testing compiled C program (duration=34.001506767s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true 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$incfs-chdir-link-open
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=34.001506767s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs-chdir-link-open
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing compiled C program (duration=34.001506767s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true 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$incfs-chdir-link-open
program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing program (duration=34.001506767s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount$incfs-chdir-link-open
detailed listing:
executing program 0:
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(0x0)
link(0x0, 0x0)
open(0x0, 0x0, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
validation run: crashed=true
testing program (duration=34.001506767s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true 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$incfs-chdir-link-open
detailed listing:
executing program 0:
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(0x0)
link(0x0, 0x0)
open(0x0, 0x0, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
validation run: crashed=true
testing program (duration=34.001506767s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true 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$incfs-chdir-link-open
detailed listing:
executing program 0:
mkdir(&(0x7f00000000c0)='./bus\x00', 0x0)
mount$incfs(&(0x7f00000007c0)='.\x00', &(0x7f0000000800)='./bus\x00', &(0x7f0000000840), 0x1004002, 0x0)
chdir(0x0)
link(0x0, 0x0)
open(0x0, 0x0, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
validation run: crashed=true
reproducing took 44m33.292422381s
repro crashed as (corrupted=false):
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff4bc3f860
RBP: 00007fff4bc3f860 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff4bc408f0
R13: 00007f5817fc7d7d R14: 0000000000008205 R15: 00007fff4bc40930
 </TASK>
---[ end trace 06a3ed96f700a5cd ]---
==================================================================
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/linux/atomic/atomic-instrumented.h:188 [inline]
BUG: KASAN: null-ptr-deref in ihold+0x20/0x60 fs/inode.c:454
Write of size 4 at addr 0000000000000170 by task syz-executor/360

CPU: 1 PID: 360 Comm: syz-executor Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0xee/0x150 lib/dump_stack.c:106
 __kasan_report mm/kasan/report.c:431 [inline]
 kasan_report+0xe7/0x140 mm/kasan/report.c:444
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x280/0x290 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/linux/atomic/atomic-instrumented.h:188 [inline]
 ihold+0x20/0x60 fs/inode.c:454
 d_delete_notify include/linux/fsnotify.h:275 [inline]
 vfs_rmdir+0x1f0/0x460 fs/namei.c:4170
 incfs_kill_sb+0x105/0x220 fs/incfs/vfs.c:1989
 deactivate_locked_super+0xa0/0x100 fs/super.c:335
 deactivate_super+0xaf/0xe0 fs/super.c:366
 cleanup_mnt+0x446/0x500 fs/namespace.c:1148
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1155
 task_work_run+0x127/0x190 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f5817f44a77
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 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 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007fff4bc3f7a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f5817f44a77
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff4bc3f860
RBP: 00007fff4bc3f860 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff4bc408f0
R13: 00007f5817fc7d7d R14: 0000000000008205 R15: 00007fff4bc40930
 </TASK>
==================================================================
BUG: kernel NULL pointer dereference, address: 0000000000000170
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 11e6a4067 P4D 11e6a4067 PUD 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 360 Comm: syz-executor Tainted: G    B   W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:arch_atomic_add_return arch/x86/include/asm/atomic.h:165 [inline]
RIP: 0010:arch_atomic_inc_return include/linux/atomic/atomic-arch-fallback.h:370 [inline]
RIP: 0010:atomic_inc_return include/linux/atomic/atomic-instrumented.h:189 [inline]
RIP: 0010:ihold+0x26/0x60 fs/inode.c:454
Code: 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 31 a8 b3 ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 d0 2c f2 ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 70 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 b1
RSP: 0018:ffffc90000a77ce8 EFLAGS: 00010246
RAX: ffff88810e15cf00 RBX: 0000000000000000 RCX: ffff88810e15cf00
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff
RBP: ffffc90000a77cf8 R08: 0000000000000004 R09: 0000000000000003
R10: fffffbfff0e1824c R11: 1ffffffff0e1824c R12: 1ffff11021a07cb0
R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  0000555568e7d500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000170 CR3: 000000012313b000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 d_delete_notify include/linux/fsnotify.h:275 [inline]
 vfs_rmdir+0x1f0/0x460 fs/namei.c:4170
 incfs_kill_sb+0x105/0x220 fs/incfs/vfs.c:1989
 deactivate_locked_super+0xa0/0x100 fs/super.c:335
 deactivate_super+0xaf/0xe0 fs/super.c:366
 cleanup_mnt+0x446/0x500 fs/namespace.c:1148
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1155
 task_work_run+0x127/0x190 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f5817f44a77
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 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 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007fff4bc3f7a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f5817f44a77
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff4bc3f860
RBP: 00007fff4bc3f860 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff4bc408f0
R13: 00007f5817fc7d7d R14: 0000000000008205 R15: 00007fff4bc40930
 </TASK>
Modules linked in:
CR2: 0000000000000170
---[ end trace 06a3ed96f700a5ce ]---
RIP: 0010:arch_atomic_add_return arch/x86/include/asm/atomic.h:165 [inline]
RIP: 0010:arch_atomic_inc_return include/linux/atomic/atomic-arch-fallback.h:370 [inline]
RIP: 0010:atomic_inc_return include/linux/atomic/atomic-instrumented.h:189 [inline]
RIP: 0010:ihold+0x26/0x60 fs/inode.c:454
Code: 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 31 a8 b3 ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 d0 2c f2 ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 70 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 b1
RSP: 0018:ffffc90000a77ce8 EFLAGS: 00010246
RAX: ffff88810e15cf00 RBX: 0000000000000000 RCX: ffff88810e15cf00
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff
RBP: ffffc90000a77cf8 R08: 0000000000000004 R09: 0000000000000003
R10: fffffbfff0e1824c R11: 1ffffffff0e1824c R12: 1ffff11021a07cb0
R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  0000555568e7d500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000170 CR3: 000000012313b000 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:	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 31 a8 b3 ff       	call   0xffb3a844
  13:	48 8d bb 70 01 00 00 	lea    0x170(%rbx),%rdi
  1a:	be 04 00 00 00       	mov    $0x4,%esi
  1f:	e8 d0 2c f2 ff       	call   0xfff22cf4
  24:	41 be 01 00 00 00    	mov    $0x1,%r14d
* 2a:	f0 44 0f c1 b3 70 01 	lock xadd %r14d,0x170(%rbx) <-- trapping instruction
  31:	00 00
  33:	41 ff c6             	inc    %r14d
  36:	bf 02 00 00 00       	mov    $0x2,%edi
  3b:	44 89 f6             	mov    %r14d,%esi
  3e:	e8                   	.byte 0xe8
  3f:	b1                   	.byte 0xb1

final repro crashed as (corrupted=false):
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff4bc3f860
RBP: 00007fff4bc3f860 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff4bc408f0
R13: 00007f5817fc7d7d R14: 0000000000008205 R15: 00007fff4bc40930
 </TASK>
---[ end trace 06a3ed96f700a5cd ]---
==================================================================
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/linux/atomic/atomic-instrumented.h:188 [inline]
BUG: KASAN: null-ptr-deref in ihold+0x20/0x60 fs/inode.c:454
Write of size 4 at addr 0000000000000170 by task syz-executor/360

CPU: 1 PID: 360 Comm: syz-executor Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0xee/0x150 lib/dump_stack.c:106
 __kasan_report mm/kasan/report.c:431 [inline]
 kasan_report+0xe7/0x140 mm/kasan/report.c:444
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x280/0x290 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/linux/atomic/atomic-instrumented.h:188 [inline]
 ihold+0x20/0x60 fs/inode.c:454
 d_delete_notify include/linux/fsnotify.h:275 [inline]
 vfs_rmdir+0x1f0/0x460 fs/namei.c:4170
 incfs_kill_sb+0x105/0x220 fs/incfs/vfs.c:1989
 deactivate_locked_super+0xa0/0x100 fs/super.c:335
 deactivate_super+0xaf/0xe0 fs/super.c:366
 cleanup_mnt+0x446/0x500 fs/namespace.c:1148
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1155
 task_work_run+0x127/0x190 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f5817f44a77
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 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 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007fff4bc3f7a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f5817f44a77
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff4bc3f860
RBP: 00007fff4bc3f860 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff4bc408f0
R13: 00007f5817fc7d7d R14: 0000000000008205 R15: 00007fff4bc40930
 </TASK>
==================================================================
BUG: kernel NULL pointer dereference, address: 0000000000000170
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 11e6a4067 P4D 11e6a4067 PUD 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 360 Comm: syz-executor Tainted: G    B   W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:arch_atomic_add_return arch/x86/include/asm/atomic.h:165 [inline]
RIP: 0010:arch_atomic_inc_return include/linux/atomic/atomic-arch-fallback.h:370 [inline]
RIP: 0010:atomic_inc_return include/linux/atomic/atomic-instrumented.h:189 [inline]
RIP: 0010:ihold+0x26/0x60 fs/inode.c:454
Code: 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 31 a8 b3 ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 d0 2c f2 ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 70 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 b1
RSP: 0018:ffffc90000a77ce8 EFLAGS: 00010246
RAX: ffff88810e15cf00 RBX: 0000000000000000 RCX: ffff88810e15cf00
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff
RBP: ffffc90000a77cf8 R08: 0000000000000004 R09: 0000000000000003
R10: fffffbfff0e1824c R11: 1ffffffff0e1824c R12: 1ffff11021a07cb0
R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  0000555568e7d500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000170 CR3: 000000012313b000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 d_delete_notify include/linux/fsnotify.h:275 [inline]
 vfs_rmdir+0x1f0/0x460 fs/namei.c:4170
 incfs_kill_sb+0x105/0x220 fs/incfs/vfs.c:1989
 deactivate_locked_super+0xa0/0x100 fs/super.c:335
 deactivate_super+0xaf/0xe0 fs/super.c:366
 cleanup_mnt+0x446/0x500 fs/namespace.c:1148
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1155
 task_work_run+0x127/0x190 kernel/task_work.c:188
 tracehook_notify_resume include/linux/tracehook.h:189 [inline]
 exit_to_user_mode_loop+0xd0/0xe0 kernel/entry/common.c:181
 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f5817f44a77
Code: a8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 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 a8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007fff4bc3f7a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f5817f44a77
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fff4bc3f860
RBP: 00007fff4bc3f860 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000246 R12: 00007fff4bc408f0
R13: 00007f5817fc7d7d R14: 0000000000008205 R15: 00007fff4bc40930
 </TASK>
Modules linked in:
CR2: 0000000000000170
---[ end trace 06a3ed96f700a5ce ]---
RIP: 0010:arch_atomic_add_return arch/x86/include/asm/atomic.h:165 [inline]
RIP: 0010:arch_atomic_inc_return include/linux/atomic/atomic-arch-fallback.h:370 [inline]
RIP: 0010:atomic_inc_return include/linux/atomic/atomic-instrumented.h:189 [inline]
RIP: 0010:ihold+0x26/0x60 fs/inode.c:454
Code: 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 31 a8 b3 ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 d0 2c f2 ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 70 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 b1
RSP: 0018:ffffc90000a77ce8 EFLAGS: 00010246
RAX: ffff88810e15cf00 RBX: 0000000000000000 RCX: ffff88810e15cf00
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff
RBP: ffffc90000a77cf8 R08: 0000000000000004 R09: 0000000000000003
R10: fffffbfff0e1824c R11: 1ffffffff0e1824c R12: 1ffff11021a07cb0
R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  0000555568e7d500(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000170 CR3: 000000012313b000 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:	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 31 a8 b3 ff       	call   0xffb3a844
  13:	48 8d bb 70 01 00 00 	lea    0x170(%rbx),%rdi
  1a:	be 04 00 00 00       	mov    $0x4,%esi
  1f:	e8 d0 2c f2 ff       	call   0xfff22cf4
  24:	41 be 01 00 00 00    	mov    $0x1,%r14d
* 2a:	f0 44 0f c1 b3 70 01 	lock xadd %r14d,0x170(%rbx) <-- trapping instruction
  31:	00 00
  33:	41 ff c6             	inc    %r14d
  36:	bf 02 00 00 00       	mov    $0x2,%edi
  3b:	44 89 f6             	mov    %r14d,%esi
  3e:	e8                   	.byte 0xe8
  3f:	b1                   	.byte 0xb1