Extracting prog: 1m28.822153374s
Minimizing prog: 19m3.553331891s
Simplifying prog options: 2m22.238535932s
Extracting C: 49.162867669s
Simplifying C: 0s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$sock_buf-sched_setaffinity-sendmsg$nl_xfrm-sendmsg$nl_xfrm-mkdir-mount$bpf-syz_clone-mount$bpf-mount$bpf-mkdir-mount$bpf-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sched_setaffinity(0x0, 0x0, 0x0)
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x801}, 0x10)
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
mount$bpf(0x0, &(0x7f00000000c0)='./file0/../file0\x00', 0x0, 0x100000, 0x0)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mount$bpf(0x0, &(0x7f0000000040)='./file0\x00', 0x0, 0x84000, 0x0)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$bpf(0x200000000000, &(0x7f0000000000)='./file0\x00', 0x0, 0x989046, 0x0)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', &(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000000), 0x82, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
single: successfully extracted reproducer
found reproducer with 12 syscalls
minimizing guilty program
testing program (duration=45.181630558s, {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}}): getsockopt$sock_buf-sched_setaffinity-sendmsg$nl_xfrm-sendmsg$nl_xfrm-mkdir-mount$bpf-syz_clone-mount$bpf-mount$bpf-mkdir-mount$bpf
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sched_setaffinity(0x0, 0x0, 0x0)
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x801}, 0x10)
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
mount$bpf(0x0, &(0x7f00000000c0)='./file0/../file0\x00', 0x0, 0x100000, 0x0)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mount$bpf(0x0, &(0x7f0000000040)='./file0\x00', 0x0, 0x84000, 0x0)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$bpf(0x200000000000, &(0x7f0000000000)='./file0\x00', 0x0, 0x989046, 0x0)

program did not crash
testing program (duration=45.181630558s, {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}}): getsockopt$sock_buf-sched_setaffinity-sendmsg$nl_xfrm-sendmsg$nl_xfrm-mkdir-mount$bpf-syz_clone-mount$bpf-mount$bpf-mkdir-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sched_setaffinity(0x0, 0x0, 0x0)
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x801}, 0x10)
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
mount$bpf(0x0, &(0x7f00000000c0)='./file0/../file0\x00', 0x0, 0x100000, 0x0)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mount$bpf(0x0, &(0x7f0000000040)='./file0\x00', 0x0, 0x84000, 0x0)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', &(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000000), 0x82, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing program (duration=45.181630558s, {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}}): getsockopt$sock_buf-sched_setaffinity-sendmsg$nl_xfrm-sendmsg$nl_xfrm-mkdir-mount$bpf-syz_clone-mount$bpf-mount$bpf-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sched_setaffinity(0x0, 0x0, 0x0)
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x801}, 0x10)
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
mount$bpf(0x0, &(0x7f00000000c0)='./file0/../file0\x00', 0x0, 0x100000, 0x0)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mount$bpf(0x0, &(0x7f0000000040)='./file0\x00', 0x0, 0x84000, 0x0)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', &(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000000), 0x82, 0x0)

program did not crash
testing program (duration=45.181630558s, {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}}): getsockopt$sock_buf-sched_setaffinity-sendmsg$nl_xfrm-sendmsg$nl_xfrm-mkdir-mount$bpf-syz_clone-mount$bpf-mkdir-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sched_setaffinity(0x0, 0x0, 0x0)
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x801}, 0x10)
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
mount$bpf(0x0, &(0x7f00000000c0)='./file0/../file0\x00', 0x0, 0x100000, 0x0)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', &(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000000), 0x82, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing program (duration=45.181630558s, {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}}): getsockopt$sock_buf-sched_setaffinity-sendmsg$nl_xfrm-sendmsg$nl_xfrm-mkdir-mount$bpf-syz_clone-mkdir-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sched_setaffinity(0x0, 0x0, 0x0)
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x801}, 0x10)
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
mount$bpf(0x0, &(0x7f00000000c0)='./file0/../file0\x00', 0x0, 0x100000, 0x0)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', &(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000000), 0x82, 0x0)

program did not crash
testing program (duration=45.181630558s, {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}}): getsockopt$sock_buf-sched_setaffinity-sendmsg$nl_xfrm-sendmsg$nl_xfrm-mkdir-mount$bpf-mount$bpf-mkdir-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sched_setaffinity(0x0, 0x0, 0x0)
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x801}, 0x10)
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
mount$bpf(0x0, &(0x7f00000000c0)='./file0/../file0\x00', 0x0, 0x100000, 0x0)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', &(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000000), 0x82, 0x0)

program did not crash
testing program (duration=45.181630558s, {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}}): getsockopt$sock_buf-sched_setaffinity-sendmsg$nl_xfrm-sendmsg$nl_xfrm-mkdir-syz_clone-mount$bpf-mkdir-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sched_setaffinity(0x0, 0x0, 0x0)
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x801}, 0x10)
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', &(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000000), 0x82, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing program (duration=45.181630558s, {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}}): getsockopt$sock_buf-sched_setaffinity-sendmsg$nl_xfrm-sendmsg$nl_xfrm-syz_clone-mount$bpf-mkdir-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sched_setaffinity(0x0, 0x0, 0x0)
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x801}, 0x10)
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', &(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000000), 0x82, 0x0)

program did not crash
testing program (duration=45.181630558s, {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}}): getsockopt$sock_buf-sched_setaffinity-sendmsg$nl_xfrm-mkdir-syz_clone-mount$bpf-mkdir-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sched_setaffinity(0x0, 0x0, 0x0)
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f00000004c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x801}, 0x10)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', &(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000000), 0x82, 0x0)

program did not crash
testing program (duration=45.181630558s, {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}}): getsockopt$sock_buf-sched_setaffinity-sendmsg$nl_xfrm-mkdir-syz_clone-mount$bpf-mkdir-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sched_setaffinity(0x0, 0x0, 0x0)
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', &(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000000), 0x82, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing program (duration=45.181630558s, {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}}): getsockopt$sock_buf-sendmsg$nl_xfrm-mkdir-syz_clone-mount$bpf-mkdir-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', &(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000000), 0x82, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
testing program (duration=45.181630558s, {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}}): sendmsg$nl_xfrm-mkdir-syz_clone-mount$bpf-mkdir-mount$incfs
detailed listing:
executing program 0:
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', &(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000000), 0x82, 0x0)

program did not crash
testing program (duration=45.181630558s, {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}}): getsockopt$sock_buf-sendmsg$nl_xfrm-mkdir-syz_clone-mount$bpf-mkdir-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', &(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000000), 0x82, 0x0)

program did not crash
testing program (duration=45.181630558s, {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}}): getsockopt$sock_buf-sendmsg$nl_xfrm-mkdir-syz_clone-mount$bpf-mkdir-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, 0x0)
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', &(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000000), 0x82, 0x0)

program did not crash
testing program (duration=45.181630558s, {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}}): getsockopt$sock_buf-sendmsg$nl_xfrm-mkdir-syz_clone-mount$bpf-mkdir-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sendmsg$nl_xfrm(0xffffffffffffffff, 0x0, 0x0)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', &(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000000), 0x82, 0x0)

program did not crash
testing program (duration=45.181630558s, {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}}): getsockopt$sock_buf-sendmsg$nl_xfrm-mkdir-syz_clone-mount$bpf-mkdir-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', &(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000000), 0x82, 0x0)

program did not crash
testing program (duration=45.181630558s, {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}}): getsockopt$sock_buf-sendmsg$nl_xfrm-mkdir-syz_clone-mount$bpf-mkdir-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
mkdir(0x0, 0x18b)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', &(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000000), 0x82, 0x0)

program did not crash
testing program (duration=45.181630558s, {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}}): getsockopt$sock_buf-sendmsg$nl_xfrm-mkdir-syz_clone-mount$bpf-mkdir-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mkdir(0x0, 0x190)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', &(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000000), 0x82, 0x0)

program did not crash
testing program (duration=45.181630558s, {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}}): getsockopt$sock_buf-sendmsg$nl_xfrm-mkdir-syz_clone-mount$bpf-mkdir-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$incfs(0x0, &(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000000), 0x82, 0x0)

program did not crash
testing program (duration=45.181630558s, {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}}): getsockopt$sock_buf-sendmsg$nl_xfrm-mkdir-syz_clone-mount$bpf-mkdir-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', 0x0, &(0x7f0000000000), 0x82, 0x0)

program did not crash
testing program (duration=45.181630558s, {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}}): getsockopt$sock_buf-sendmsg$nl_xfrm-mkdir-syz_clone-mount$bpf-mkdir-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', &(0x7f0000000180)='./file0/../file0\x00', 0x0, 0x82, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=45.181630558s, {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}}): getsockopt$sock_buf-sendmsg$nl_xfrm-mkdir-syz_clone-mount$bpf-mkdir-mount$incfs
program did not crash
simplifying guilty program options
testing program (duration=45.181630558s, {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}}): getsockopt$sock_buf-sendmsg$nl_xfrm-mkdir-syz_clone-mount$bpf-mkdir-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', &(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000000), 0x82, 0x0)

program did not crash
testing program (duration=45.181630558s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$sock_buf-sendmsg$nl_xfrm-mkdir-syz_clone-mount$bpf-mkdir-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', &(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000000), 0x82, 0x0)

program did not crash
testing program (duration=45.181630558s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getsockopt$sock_buf-sendmsg$nl_xfrm-mkdir-syz_clone-mount$bpf-mkdir-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', &(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000000), 0x82, 0x0)

program did not crash
testing program (duration=45.181630558s, {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}}): getsockopt$sock_buf-sendmsg$nl_xfrm-mkdir-syz_clone-mount$bpf-mkdir-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', &(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000000), 0x82, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=45.181630558s, {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}}): getsockopt$sock_buf-sendmsg$nl_xfrm-mkdir-syz_clone-mount$bpf-mkdir-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', &(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000000), 0x82, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=45.181630558s, {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}}): getsockopt$sock_buf-sendmsg$nl_xfrm-mkdir-syz_clone-mount$bpf-mkdir-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', &(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000000), 0x82, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=45.181630558s, {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}}): getsockopt$sock_buf-sendmsg$nl_xfrm-mkdir-syz_clone-mount$bpf-mkdir-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', &(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000000), 0x82, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=45.181630558s, {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}}): getsockopt$sock_buf-sendmsg$nl_xfrm-mkdir-syz_clone-mount$bpf-mkdir-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', &(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000000), 0x82, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=45.181630558s, {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}}): getsockopt$sock_buf-sendmsg$nl_xfrm-mkdir-syz_clone-mount$bpf-mkdir-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', &(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000000), 0x82, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=45.181630558s, {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}}): getsockopt$sock_buf-sendmsg$nl_xfrm-mkdir-syz_clone-mount$bpf-mkdir-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', &(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000000), 0x82, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=45.181630558s, {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}}): getsockopt$sock_buf-sendmsg$nl_xfrm-mkdir-syz_clone-mount$bpf-mkdir-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', &(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000000), 0x82, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
validation run: crashed=true
testing program (duration=45.181630558s, {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}}): getsockopt$sock_buf-sendmsg$nl_xfrm-mkdir-syz_clone-mount$bpf-mkdir-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', &(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000000), 0x82, 0x0)

program crashed: KASAN: null-ptr-deref Write in vfs_rmdir
validation run: crashed=true
testing program (duration=45.181630558s, {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}}): getsockopt$sock_buf-sendmsg$nl_xfrm-mkdir-syz_clone-mount$bpf-mkdir-mount$incfs
detailed listing:
executing program 0:
getsockopt$sock_buf(0xffffffffffffffff, 0x1, 0x1c, 0x0, &(0x7f00000000c0))
sendmsg$nl_xfrm(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000480)={0x0}, 0x1, 0x0, 0x0, 0x20008891}, 0x0)
mkdir(&(0x7f0000001a80)='./file0\x00', 0x18b)
syz_clone(0x126400, 0x0, 0x0, 0x0, 0x0, 0x0) (async)
mount$bpf(0x200000000000, 0x0, 0x0, 0x8b7840, 0x0)
mkdir(&(0x7f0000000140)='./file0/../file0\x00', 0x190)
mount$incfs(&(0x7f0000000100)='./file0/../file0\x00', &(0x7f0000000180)='./file0/../file0\x00', &(0x7f0000000000), 0x82, 0x0)

program did not crash
validation run: crashed=false
reproducing took 32m5.776843908s
repro crashed as (corrupted=false):
R13: 00007f370a71c038 R14: 00007f370a71bfa0 R15: 00007ffdd4bab6f8
 </TASK>
---[ end trace 8c2b15259b212da1 ]---
==================================================================
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.6.729/3253

CPU: 0 PID: 3253 Comm: syz.6.729 Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 __kasan_report mm/kasan/report.c:431 [inline]
 kasan_report+0xcc/0x150 mm/kasan/report.c:444
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x249/0x2a0 mm/kasan/generic.c:189
 __kasan_check_write+0x14/0x20 mm/kasan/shadow.c:37
 instrument_atomic_read_write include/linux/instrumented.h: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+0x23d/0x450 fs/namei.c:4170
 incfs_kill_sb+0x18f/0x210 fs/incfs/vfs.c:1993
 deactivate_locked_super+0xa0/0x100 fs/super.c:335
 deactivate_super+0xaf/0xe0 fs/super.c:366
 cleanup_mnt+0x44f/0x500 fs/namespace.c:1149
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1156
 task_work_run+0x127/0x190 kernel/task_work.c:188
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xb70/0x29a0 kernel/exit.c:890
 __do_sys_exit kernel/exit.c:973 [inline]
 __se_sys_exit kernel/exit.c:971 [inline]
 __x64_sys_exit+0x40/0x40 kernel/exit.c:971
 x64_sys_call+0x44/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:61
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f370a494019
Code: Unable to access opcode bytes at RIP 0x7f370a493fef.
RSP: 002b:00007f370a2f4fd8 EFLAGS: 00000246 ORIG_RAX: 000000000000003c
RAX: ffffffffffffffda RBX: 00007f370a71bfa0 RCX: 00007f370a494019
RDX: 00007f370a2f59c8 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f370a52b00c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f370a71c038 R14: 00007f370a71bfa0 R15: 00007ffdd4bab6f8
 </TASK>
==================================================================
BUG: kernel NULL pointer dereference, address: 0000000000000170
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 0 P4D 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 3253 Comm: syz.6.729 Tainted: G    B   W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:arch_atomic_add_return arch/x86/include/asm/atomic.h:165 [inline]
RIP: 0010:arch_atomic_inc_return include/linux/atomic/atomic-arch-fallback.h: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 51 92 b2 ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 b0 03 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 d1
RSP: 0018:ffffc90001f6fbf0 EFLAGS: 00010246
RAX: ffff88811e32cf00 RBX: 0000000000000000 RCX: ffff88811e32cf00
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff
RBP: ffffc90001f6fc00 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff0e18c4c R12: 1ffff11024046af4
R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000170 CR3: 000000000660f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 d_delete_notify include/linux/fsnotify.h:275 [inline]
 vfs_rmdir+0x23d/0x450 fs/namei.c:4170
 incfs_kill_sb+0x18f/0x210 fs/incfs/vfs.c:1993
 deactivate_locked_super+0xa0/0x100 fs/super.c:335
 deactivate_super+0xaf/0xe0 fs/super.c:366
 cleanup_mnt+0x44f/0x500 fs/namespace.c:1149
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1156
 task_work_run+0x127/0x190 kernel/task_work.c:188
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xb70/0x29a0 kernel/exit.c:890
 __do_sys_exit kernel/exit.c:973 [inline]
 __se_sys_exit kernel/exit.c:971 [inline]
 __x64_sys_exit+0x40/0x40 kernel/exit.c:971
 x64_sys_call+0x44/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:61
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f370a494019
Code: Unable to access opcode bytes at RIP 0x7f370a493fef.
RSP: 002b:00007f370a2f4fd8 EFLAGS: 00000246 ORIG_RAX: 000000000000003c
RAX: ffffffffffffffda RBX: 00007f370a71bfa0 RCX: 00007f370a494019
RDX: 00007f370a2f59c8 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f370a52b00c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f370a71c038 R14: 00007f370a71bfa0 R15: 00007ffdd4bab6f8
 </TASK>
Modules linked in:
CR2: 0000000000000170
---[ end trace 8c2b15259b212da2 ]---
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 51 92 b2 ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 b0 03 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 d1
RSP: 0018:ffffc90001f6fbf0 EFLAGS: 00010246
RAX: ffff88811e32cf00 RBX: 0000000000000000 RCX: ffff88811e32cf00
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff
RBP: ffffc90001f6fc00 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff0e18c4c R12: 1ffff11024046af4
R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000170 CR3: 000000000660f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	00 00                	add    %al,(%rax)
   2:	00 00                	add    %al,(%rax)
   4:	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 51 92 b2 ff       	call   0xffb29264
  13:	48 8d bb 70 01 00 00 	lea    0x170(%rbx),%rdi
  1a:	be 04 00 00 00       	mov    $0x4,%esi
  1f:	e8 b0 03 f2 ff       	call   0xfff203d4
  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:	d1                   	.byte 0xd1

final repro crashed as (corrupted=false):
R13: 00007f370a71c038 R14: 00007f370a71bfa0 R15: 00007ffdd4bab6f8
 </TASK>
---[ end trace 8c2b15259b212da1 ]---
==================================================================
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.6.729/3253

CPU: 0 PID: 3253 Comm: syz.6.729 Tainted: G        W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 __kasan_report mm/kasan/report.c:431 [inline]
 kasan_report+0xcc/0x150 mm/kasan/report.c:444
 check_region_inline mm/kasan/generic.c:-1 [inline]
 kasan_check_range+0x249/0x2a0 mm/kasan/generic.c:189
 __kasan_check_write+0x14/0x20 mm/kasan/shadow.c:37
 instrument_atomic_read_write include/linux/instrumented.h: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+0x23d/0x450 fs/namei.c:4170
 incfs_kill_sb+0x18f/0x210 fs/incfs/vfs.c:1993
 deactivate_locked_super+0xa0/0x100 fs/super.c:335
 deactivate_super+0xaf/0xe0 fs/super.c:366
 cleanup_mnt+0x44f/0x500 fs/namespace.c:1149
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1156
 task_work_run+0x127/0x190 kernel/task_work.c:188
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xb70/0x29a0 kernel/exit.c:890
 __do_sys_exit kernel/exit.c:973 [inline]
 __se_sys_exit kernel/exit.c:971 [inline]
 __x64_sys_exit+0x40/0x40 kernel/exit.c:971
 x64_sys_call+0x44/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:61
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f370a494019
Code: Unable to access opcode bytes at RIP 0x7f370a493fef.
RSP: 002b:00007f370a2f4fd8 EFLAGS: 00000246 ORIG_RAX: 000000000000003c
RAX: ffffffffffffffda RBX: 00007f370a71bfa0 RCX: 00007f370a494019
RDX: 00007f370a2f59c8 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f370a52b00c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f370a71c038 R14: 00007f370a71bfa0 R15: 00007ffdd4bab6f8
 </TASK>
==================================================================
BUG: kernel NULL pointer dereference, address: 0000000000000170
#PF: supervisor write access in kernel mode
#PF: error_code(0x0002) - not-present page
PGD 0 P4D 0 
Oops: 0002 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 3253 Comm: syz.6.729 Tainted: G    B   W         syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:arch_atomic_add_return arch/x86/include/asm/atomic.h:165 [inline]
RIP: 0010:arch_atomic_inc_return include/linux/atomic/atomic-arch-fallback.h: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 51 92 b2 ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 b0 03 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 d1
RSP: 0018:ffffc90001f6fbf0 EFLAGS: 00010246
RAX: ffff88811e32cf00 RBX: 0000000000000000 RCX: ffff88811e32cf00
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff
RBP: ffffc90001f6fc00 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff0e18c4c R12: 1ffff11024046af4
R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000170 CR3: 000000000660f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 d_delete_notify include/linux/fsnotify.h:275 [inline]
 vfs_rmdir+0x23d/0x450 fs/namei.c:4170
 incfs_kill_sb+0x18f/0x210 fs/incfs/vfs.c:1993
 deactivate_locked_super+0xa0/0x100 fs/super.c:335
 deactivate_super+0xaf/0xe0 fs/super.c:366
 cleanup_mnt+0x44f/0x500 fs/namespace.c:1149
 __cleanup_mnt+0x19/0x20 fs/namespace.c:1156
 task_work_run+0x127/0x190 kernel/task_work.c:188
 exit_task_work include/linux/task_work.h:33 [inline]
 do_exit+0xb70/0x29a0 kernel/exit.c:890
 __do_sys_exit kernel/exit.c:973 [inline]
 __se_sys_exit kernel/exit.c:971 [inline]
 __x64_sys_exit+0x40/0x40 kernel/exit.c:971
 x64_sys_call+0x44/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:61
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f370a494019
Code: Unable to access opcode bytes at RIP 0x7f370a493fef.
RSP: 002b:00007f370a2f4fd8 EFLAGS: 00000246 ORIG_RAX: 000000000000003c
RAX: ffffffffffffffda RBX: 00007f370a71bfa0 RCX: 00007f370a494019
RDX: 00007f370a2f59c8 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f370a52b00c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f370a71c038 R14: 00007f370a71bfa0 R15: 00007ffdd4bab6f8
 </TASK>
Modules linked in:
CR2: 0000000000000170
---[ end trace 8c2b15259b212da2 ]---
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 51 92 b2 ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 b0 03 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 d1
RSP: 0018:ffffc90001f6fbf0 EFLAGS: 00010246
RAX: ffff88811e32cf00 RBX: 0000000000000000 RCX: ffff88811e32cf00
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff
RBP: ffffc90001f6fc00 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff0e18c4c R12: 1ffff11024046af4
R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000170 CR3: 000000000660f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	00 00                	add    %al,(%rax)
   2:	00 00                	add    %al,(%rax)
   4:	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 51 92 b2 ff       	call   0xffb29264
  13:	48 8d bb 70 01 00 00 	lea    0x170(%rbx),%rdi
  1a:	be 04 00 00 00       	mov    $0x4,%esi
  1f:	e8 b0 03 f2 ff       	call   0xfff203d4
  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:	d1                   	.byte 0xd1