Extracting prog: 1m56.992726412s
Minimizing prog: 40m55.900213662s
Simplifying prog options: 0s
Extracting C: 1m46.437875779s
Simplifying C: 12m30.08867581s


extracting reproducer from 30 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:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi-socket$inet6_tcp-io_submit-socket$netlink-sendmsg$netlink-socket$netlink-open-unshare-mkdir-mount-chdir-openat$cgroup_ro-socket$inet6-setsockopt$inet6_int-quotactl_fd$Q_SETQUOTA-syz_open_procfs$namespace-socket$kcm-sendmsg$inet-setns-close_range-ioctl$COMEDI_DEVCONFIG-ioctl$COMEDI_DEVCONFIG
detailed listing:
executing program 0:
r0 = openat$comedi(0xffffffffffffff9c, &(0x7f0000000080)='/dev/comedi3\x00', 0x400, 0x0)
r1 = socket$inet6_tcp(0xa, 0x1, 0x0)
io_submit(0x0, 0x1, &(0x7f0000000300)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x4, 0x6, r1, 0x0, 0x0, 0xfffffffffffffffd}])
r2 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$netlink(r2, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)=[{&(0x7f0000000080)=ANY=[@ANYBLOB="6c00000066001f03"], 0x6c}], 0x1}, 0x0)
r3 = socket$netlink(0x10, 0x3, 0xb)
open(&(0x7f0000000000)='./file1\x00', 0x6000, 0x45)
unshare(0x60000000)
mkdir(&(0x7f0000000440)='./file1\x00', 0x0)
mount(0x0, &(0x7f0000000280)='./file1\x00', &(0x7f0000000240)='tmpfs\x00', 0x0, &(0x7f0000000300)='usrquota')
chdir(&(0x7f0000000080)='./file1\x00')
r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='hugetlb.2MB.rsvd.usage_in_bytes\x00', 0x275a, 0x0)
r5 = socket$inet6(0xa, 0x3, 0x3a)
setsockopt$inet6_int(r5, 0x29, 0xcb, &(0x7f0000000000)=0x80000400, 0x4)
quotactl_fd$Q_SETQUOTA(r4, 0xffffffff80000800, 0x0, &(0x7f00000000c0)={0x0, 0x800000000009, 0x9, 0x4, 0x0, 0x0, 0xffffffffffffffff, 0x3, 0xfffffffb})
r6 = syz_open_procfs$namespace(0x0, &(0x7f0000000140)='ns/mnt\x00')
r7 = socket$kcm(0x21, 0x2, 0x2)
sendmsg$inet(r7, &(0x7f0000002780)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)=[@ip_retopts={{0x10, 0x110, 0xb}}], 0x10}, 0x0)
setns(r6, 0x0)
close_range(r3, 0xffffffffffffffff, 0x0)
ioctl$COMEDI_DEVCONFIG(r0, 0x40946400, 0x0)
ioctl$COMEDI_DEVCONFIG(r0, 0x40946400, &(0x7f00000000c0)={'pcl812\x00', [0x4f23, 0x5, 0x1, 0x13, 0x197e3d, 0x5, 0x8, 0x3, 0xa, 0xfd, 0x1081, 0x801, 0xbffffffa, 0x7, 0x6, 0x101, 0xf7fffffe, 0x800007f, 0x3, 0x40000003, 0x8c, 0xca9f, 0x0, 0x20001e58, 0xb, 0x5, 0x3, 0x8, 0x4084, 0xfffffffc]})

program crashed: WARNING in nsproxy_ns_active_get
single: successfully extracted reproducer
found reproducer with 22 syscalls
minimizing guilty program
testing program (duration=45.767144014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi-socket$inet6_tcp-io_submit-socket$netlink-sendmsg$netlink-socket$netlink-open-unshare-mkdir-mount-chdir-openat$cgroup_ro-socket$inet6-setsockopt$inet6_int-quotactl_fd$Q_SETQUOTA-syz_open_procfs$namespace-socket$kcm-sendmsg$inet-setns-close_range-ioctl$COMEDI_DEVCONFIG
detailed listing:
executing program 0:
r0 = openat$comedi(0xffffffffffffff9c, &(0x7f0000000080)='/dev/comedi3\x00', 0x400, 0x0)
r1 = socket$inet6_tcp(0xa, 0x1, 0x0)
io_submit(0x0, 0x1, &(0x7f0000000300)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x4, 0x6, r1, 0x0, 0x0, 0xfffffffffffffffd}])
r2 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$netlink(r2, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)=[{&(0x7f0000000080)=ANY=[@ANYBLOB="6c00000066001f03"], 0x6c}], 0x1}, 0x0)
r3 = socket$netlink(0x10, 0x3, 0xb)
open(&(0x7f0000000000)='./file1\x00', 0x6000, 0x45)
unshare(0x60000000)
mkdir(&(0x7f0000000440)='./file1\x00', 0x0)
mount(0x0, &(0x7f0000000280)='./file1\x00', &(0x7f0000000240)='tmpfs\x00', 0x0, &(0x7f0000000300)='usrquota')
chdir(&(0x7f0000000080)='./file1\x00')
r4 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='hugetlb.2MB.rsvd.usage_in_bytes\x00', 0x275a, 0x0)
r5 = socket$inet6(0xa, 0x3, 0x3a)
setsockopt$inet6_int(r5, 0x29, 0xcb, &(0x7f0000000000)=0x80000400, 0x4)
quotactl_fd$Q_SETQUOTA(r4, 0xffffffff80000800, 0x0, &(0x7f00000000c0)={0x0, 0x800000000009, 0x9, 0x4, 0x0, 0x0, 0xffffffffffffffff, 0x3, 0xfffffffb})
r6 = syz_open_procfs$namespace(0x0, &(0x7f0000000140)='ns/mnt\x00')
r7 = socket$kcm(0x21, 0x2, 0x2)
sendmsg$inet(r7, &(0x7f0000002780)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)=[@ip_retopts={{0x10, 0x110, 0xb}}], 0x10}, 0x0)
setns(r6, 0x0)
close_range(r3, 0xffffffffffffffff, 0x0)
ioctl$COMEDI_DEVCONFIG(r0, 0x40946400, 0x0)

program crashed: WARNING in nsproxy_ns_active_get
testing program (duration=45.767144014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi-socket$inet6_tcp-io_submit-socket$netlink-sendmsg$netlink-socket$netlink-open-unshare-mkdir-mount-chdir-openat$cgroup_ro-socket$inet6-setsockopt$inet6_int-quotactl_fd$Q_SETQUOTA-syz_open_procfs$namespace-socket$kcm-sendmsg$inet-setns-close_range
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, &(0x7f0000000080)='/dev/comedi3\x00', 0x400, 0x0)
r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
io_submit(0x0, 0x1, &(0x7f0000000300)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x4, 0x6, r0, 0x0, 0x0, 0xfffffffffffffffd}])
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$netlink(r1, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)=[{&(0x7f0000000080)=ANY=[@ANYBLOB="6c00000066001f03"], 0x6c}], 0x1}, 0x0)
r2 = socket$netlink(0x10, 0x3, 0xb)
open(&(0x7f0000000000)='./file1\x00', 0x6000, 0x45)
unshare(0x60000000)
mkdir(&(0x7f0000000440)='./file1\x00', 0x0)
mount(0x0, &(0x7f0000000280)='./file1\x00', &(0x7f0000000240)='tmpfs\x00', 0x0, &(0x7f0000000300)='usrquota')
chdir(&(0x7f0000000080)='./file1\x00')
r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='hugetlb.2MB.rsvd.usage_in_bytes\x00', 0x275a, 0x0)
r4 = socket$inet6(0xa, 0x3, 0x3a)
setsockopt$inet6_int(r4, 0x29, 0xcb, &(0x7f0000000000)=0x80000400, 0x4)
quotactl_fd$Q_SETQUOTA(r3, 0xffffffff80000800, 0x0, &(0x7f00000000c0)={0x0, 0x800000000009, 0x9, 0x4, 0x0, 0x0, 0xffffffffffffffff, 0x3, 0xfffffffb})
r5 = syz_open_procfs$namespace(0x0, &(0x7f0000000140)='ns/mnt\x00')
r6 = socket$kcm(0x21, 0x2, 0x2)
sendmsg$inet(r6, &(0x7f0000002780)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)=[@ip_retopts={{0x10, 0x110, 0xb}}], 0x10}, 0x0)
setns(r5, 0x0)
close_range(r2, 0xffffffffffffffff, 0x0)

program crashed: WARNING in nsproxy_ns_active_get
testing program (duration=45.767144014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi-socket$inet6_tcp-io_submit-socket$netlink-sendmsg$netlink-socket$netlink-open-unshare-mkdir-mount-chdir-openat$cgroup_ro-socket$inet6-setsockopt$inet6_int-quotactl_fd$Q_SETQUOTA-syz_open_procfs$namespace-socket$kcm-sendmsg$inet-setns
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, &(0x7f0000000080)='/dev/comedi3\x00', 0x400, 0x0)
r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
io_submit(0x0, 0x1, &(0x7f0000000300)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x4, 0x6, r0, 0x0, 0x0, 0xfffffffffffffffd}])
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$netlink(r1, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)=[{&(0x7f0000000080)=ANY=[@ANYBLOB="6c00000066001f03"], 0x6c}], 0x1}, 0x0)
socket$netlink(0x10, 0x3, 0xb)
open(&(0x7f0000000000)='./file1\x00', 0x6000, 0x45)
unshare(0x60000000)
mkdir(&(0x7f0000000440)='./file1\x00', 0x0)
mount(0x0, &(0x7f0000000280)='./file1\x00', &(0x7f0000000240)='tmpfs\x00', 0x0, &(0x7f0000000300)='usrquota')
chdir(&(0x7f0000000080)='./file1\x00')
r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='hugetlb.2MB.rsvd.usage_in_bytes\x00', 0x275a, 0x0)
r3 = socket$inet6(0xa, 0x3, 0x3a)
setsockopt$inet6_int(r3, 0x29, 0xcb, &(0x7f0000000000)=0x80000400, 0x4)
quotactl_fd$Q_SETQUOTA(r2, 0xffffffff80000800, 0x0, &(0x7f00000000c0)={0x0, 0x800000000009, 0x9, 0x4, 0x0, 0x0, 0xffffffffffffffff, 0x3, 0xfffffffb})
r4 = syz_open_procfs$namespace(0x0, &(0x7f0000000140)='ns/mnt\x00')
r5 = socket$kcm(0x21, 0x2, 0x2)
sendmsg$inet(r5, &(0x7f0000002780)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)=[@ip_retopts={{0x10, 0x110, 0xb}}], 0x10}, 0x0)
setns(r4, 0x0)

program crashed: WARNING in nsproxy_ns_active_get
testing program (duration=45.767144014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi-socket$inet6_tcp-io_submit-socket$netlink-sendmsg$netlink-socket$netlink-open-unshare-mkdir-mount-chdir-openat$cgroup_ro-socket$inet6-setsockopt$inet6_int-quotactl_fd$Q_SETQUOTA-syz_open_procfs$namespace-socket$kcm-sendmsg$inet
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, &(0x7f0000000080)='/dev/comedi3\x00', 0x400, 0x0)
r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
io_submit(0x0, 0x1, &(0x7f0000000300)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x4, 0x6, r0, 0x0, 0x0, 0xfffffffffffffffd}])
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$netlink(r1, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)=[{&(0x7f0000000080)=ANY=[@ANYBLOB="6c00000066001f03"], 0x6c}], 0x1}, 0x0)
socket$netlink(0x10, 0x3, 0xb)
open(&(0x7f0000000000)='./file1\x00', 0x6000, 0x45)
unshare(0x60000000)
mkdir(&(0x7f0000000440)='./file1\x00', 0x0)
mount(0x0, &(0x7f0000000280)='./file1\x00', &(0x7f0000000240)='tmpfs\x00', 0x0, &(0x7f0000000300)='usrquota')
chdir(&(0x7f0000000080)='./file1\x00')
r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='hugetlb.2MB.rsvd.usage_in_bytes\x00', 0x275a, 0x0)
r3 = socket$inet6(0xa, 0x3, 0x3a)
setsockopt$inet6_int(r3, 0x29, 0xcb, &(0x7f0000000000)=0x80000400, 0x4)
quotactl_fd$Q_SETQUOTA(r2, 0xffffffff80000800, 0x0, &(0x7f00000000c0)={0x0, 0x800000000009, 0x9, 0x4, 0x0, 0x0, 0xffffffffffffffff, 0x3, 0xfffffffb})
syz_open_procfs$namespace(0x0, &(0x7f0000000140)='ns/mnt\x00')
r4 = socket$kcm(0x21, 0x2, 0x2)
sendmsg$inet(r4, &(0x7f0000002780)={0x0, 0x0, 0x0, 0x0, &(0x7f0000000000)=[@ip_retopts={{0x10, 0x110, 0xb}}], 0x10}, 0x0)

program did not crash
testing program (duration=45.767144014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi-socket$inet6_tcp-io_submit-socket$netlink-sendmsg$netlink-socket$netlink-open-unshare-mkdir-mount-chdir-openat$cgroup_ro-socket$inet6-setsockopt$inet6_int-quotactl_fd$Q_SETQUOTA-syz_open_procfs$namespace-socket$kcm-setns
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, &(0x7f0000000080)='/dev/comedi3\x00', 0x400, 0x0)
r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
io_submit(0x0, 0x1, &(0x7f0000000300)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x4, 0x6, r0, 0x0, 0x0, 0xfffffffffffffffd}])
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$netlink(r1, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)=[{&(0x7f0000000080)=ANY=[@ANYBLOB="6c00000066001f03"], 0x6c}], 0x1}, 0x0)
socket$netlink(0x10, 0x3, 0xb)
open(&(0x7f0000000000)='./file1\x00', 0x6000, 0x45)
unshare(0x60000000)
mkdir(&(0x7f0000000440)='./file1\x00', 0x0)
mount(0x0, &(0x7f0000000280)='./file1\x00', &(0x7f0000000240)='tmpfs\x00', 0x0, &(0x7f0000000300)='usrquota')
chdir(&(0x7f0000000080)='./file1\x00')
r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='hugetlb.2MB.rsvd.usage_in_bytes\x00', 0x275a, 0x0)
r3 = socket$inet6(0xa, 0x3, 0x3a)
setsockopt$inet6_int(r3, 0x29, 0xcb, &(0x7f0000000000)=0x80000400, 0x4)
quotactl_fd$Q_SETQUOTA(r2, 0xffffffff80000800, 0x0, &(0x7f00000000c0)={0x0, 0x800000000009, 0x9, 0x4, 0x0, 0x0, 0xffffffffffffffff, 0x3, 0xfffffffb})
r4 = syz_open_procfs$namespace(0x0, &(0x7f0000000140)='ns/mnt\x00')
socket$kcm(0x21, 0x2, 0x2)
setns(r4, 0x0)

program crashed: WARNING in nsproxy_ns_active_get
testing program (duration=45.767144014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi-socket$inet6_tcp-io_submit-socket$netlink-sendmsg$netlink-socket$netlink-open-unshare-mkdir-mount-chdir-openat$cgroup_ro-socket$inet6-setsockopt$inet6_int-quotactl_fd$Q_SETQUOTA-syz_open_procfs$namespace-setns
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, &(0x7f0000000080)='/dev/comedi3\x00', 0x400, 0x0)
r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
io_submit(0x0, 0x1, &(0x7f0000000300)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x4, 0x6, r0, 0x0, 0x0, 0xfffffffffffffffd}])
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$netlink(r1, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)=[{&(0x7f0000000080)=ANY=[@ANYBLOB="6c00000066001f03"], 0x6c}], 0x1}, 0x0)
socket$netlink(0x10, 0x3, 0xb)
open(&(0x7f0000000000)='./file1\x00', 0x6000, 0x45)
unshare(0x60000000)
mkdir(&(0x7f0000000440)='./file1\x00', 0x0)
mount(0x0, &(0x7f0000000280)='./file1\x00', &(0x7f0000000240)='tmpfs\x00', 0x0, &(0x7f0000000300)='usrquota')
chdir(&(0x7f0000000080)='./file1\x00')
r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='hugetlb.2MB.rsvd.usage_in_bytes\x00', 0x275a, 0x0)
r3 = socket$inet6(0xa, 0x3, 0x3a)
setsockopt$inet6_int(r3, 0x29, 0xcb, &(0x7f0000000000)=0x80000400, 0x4)
quotactl_fd$Q_SETQUOTA(r2, 0xffffffff80000800, 0x0, &(0x7f00000000c0)={0x0, 0x800000000009, 0x9, 0x4, 0x0, 0x0, 0xffffffffffffffff, 0x3, 0xfffffffb})
r4 = syz_open_procfs$namespace(0x0, &(0x7f0000000140)='ns/mnt\x00')
setns(r4, 0x0)

program crashed: WARNING in nsproxy_ns_active_get
testing program (duration=45.767144014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi-socket$inet6_tcp-io_submit-socket$netlink-sendmsg$netlink-socket$netlink-open-unshare-mkdir-mount-chdir-openat$cgroup_ro-socket$inet6-setsockopt$inet6_int-quotactl_fd$Q_SETQUOTA-setns
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, &(0x7f0000000080)='/dev/comedi3\x00', 0x400, 0x0)
r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
io_submit(0x0, 0x1, &(0x7f0000000300)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x4, 0x6, r0, 0x0, 0x0, 0xfffffffffffffffd}])
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$netlink(r1, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)=[{&(0x7f0000000080)=ANY=[@ANYBLOB="6c00000066001f03"], 0x6c}], 0x1}, 0x0)
socket$netlink(0x10, 0x3, 0xb)
open(&(0x7f0000000000)='./file1\x00', 0x6000, 0x45)
unshare(0x60000000)
mkdir(&(0x7f0000000440)='./file1\x00', 0x0)
mount(0x0, &(0x7f0000000280)='./file1\x00', &(0x7f0000000240)='tmpfs\x00', 0x0, &(0x7f0000000300)='usrquota')
chdir(&(0x7f0000000080)='./file1\x00')
r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='hugetlb.2MB.rsvd.usage_in_bytes\x00', 0x275a, 0x0)
r3 = socket$inet6(0xa, 0x3, 0x3a)
setsockopt$inet6_int(r3, 0x29, 0xcb, &(0x7f0000000000)=0x80000400, 0x4)
quotactl_fd$Q_SETQUOTA(r2, 0xffffffff80000800, 0x0, &(0x7f00000000c0)={0x0, 0x800000000009, 0x9, 0x4, 0x0, 0x0, 0xffffffffffffffff, 0x3, 0xfffffffb})
setns(0xffffffffffffffff, 0x0)

program did not crash
testing program (duration=45.767144014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi-socket$inet6_tcp-io_submit-socket$netlink-sendmsg$netlink-socket$netlink-open-unshare-mkdir-mount-chdir-openat$cgroup_ro-socket$inet6-setsockopt$inet6_int-syz_open_procfs$namespace-setns
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, &(0x7f0000000080)='/dev/comedi3\x00', 0x400, 0x0)
r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
io_submit(0x0, 0x1, &(0x7f0000000300)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x4, 0x6, r0, 0x0, 0x0, 0xfffffffffffffffd}])
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$netlink(r1, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)=[{&(0x7f0000000080)=ANY=[@ANYBLOB="6c00000066001f03"], 0x6c}], 0x1}, 0x0)
socket$netlink(0x10, 0x3, 0xb)
open(&(0x7f0000000000)='./file1\x00', 0x6000, 0x45)
unshare(0x60000000)
mkdir(&(0x7f0000000440)='./file1\x00', 0x0)
mount(0x0, &(0x7f0000000280)='./file1\x00', &(0x7f0000000240)='tmpfs\x00', 0x0, &(0x7f0000000300)='usrquota')
chdir(&(0x7f0000000080)='./file1\x00')
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='hugetlb.2MB.rsvd.usage_in_bytes\x00', 0x275a, 0x0)
r2 = socket$inet6(0xa, 0x3, 0x3a)
setsockopt$inet6_int(r2, 0x29, 0xcb, &(0x7f0000000000)=0x80000400, 0x4)
r3 = syz_open_procfs$namespace(0x0, &(0x7f0000000140)='ns/mnt\x00')
setns(r3, 0x0)

program crashed: WARNING in nsproxy_ns_active_get
testing program (duration=45.767144014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi-socket$inet6_tcp-io_submit-socket$netlink-sendmsg$netlink-socket$netlink-open-unshare-mkdir-mount-chdir-openat$cgroup_ro-socket$inet6-syz_open_procfs$namespace-setns
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, &(0x7f0000000080)='/dev/comedi3\x00', 0x400, 0x0)
r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
io_submit(0x0, 0x1, &(0x7f0000000300)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x4, 0x6, r0, 0x0, 0x0, 0xfffffffffffffffd}])
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$netlink(r1, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)=[{&(0x7f0000000080)=ANY=[@ANYBLOB="6c00000066001f03"], 0x6c}], 0x1}, 0x0)
socket$netlink(0x10, 0x3, 0xb)
open(&(0x7f0000000000)='./file1\x00', 0x6000, 0x45)
unshare(0x60000000)
mkdir(&(0x7f0000000440)='./file1\x00', 0x0)
mount(0x0, &(0x7f0000000280)='./file1\x00', &(0x7f0000000240)='tmpfs\x00', 0x0, &(0x7f0000000300)='usrquota')
chdir(&(0x7f0000000080)='./file1\x00')
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='hugetlb.2MB.rsvd.usage_in_bytes\x00', 0x275a, 0x0)
socket$inet6(0xa, 0x3, 0x3a)
r2 = syz_open_procfs$namespace(0x0, &(0x7f0000000140)='ns/mnt\x00')
setns(r2, 0x0)

program crashed: WARNING in nsproxy_ns_active_get
testing program (duration=45.767144014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi-socket$inet6_tcp-io_submit-socket$netlink-sendmsg$netlink-socket$netlink-open-unshare-mkdir-mount-chdir-openat$cgroup_ro-syz_open_procfs$namespace-setns
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, &(0x7f0000000080)='/dev/comedi3\x00', 0x400, 0x0)
r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
io_submit(0x0, 0x1, &(0x7f0000000300)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x4, 0x6, r0, 0x0, 0x0, 0xfffffffffffffffd}])
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$netlink(r1, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)=[{&(0x7f0000000080)=ANY=[@ANYBLOB="6c00000066001f03"], 0x6c}], 0x1}, 0x0)
socket$netlink(0x10, 0x3, 0xb)
open(&(0x7f0000000000)='./file1\x00', 0x6000, 0x45)
unshare(0x60000000)
mkdir(&(0x7f0000000440)='./file1\x00', 0x0)
mount(0x0, &(0x7f0000000280)='./file1\x00', &(0x7f0000000240)='tmpfs\x00', 0x0, &(0x7f0000000300)='usrquota')
chdir(&(0x7f0000000080)='./file1\x00')
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='hugetlb.2MB.rsvd.usage_in_bytes\x00', 0x275a, 0x0)
r2 = syz_open_procfs$namespace(0x0, &(0x7f0000000140)='ns/mnt\x00')
setns(r2, 0x0)

program crashed: WARNING in nsproxy_ns_active_get
testing program (duration=45.767144014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi-socket$inet6_tcp-io_submit-socket$netlink-sendmsg$netlink-socket$netlink-open-unshare-mkdir-mount-chdir-syz_open_procfs$namespace-setns
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, &(0x7f0000000080)='/dev/comedi3\x00', 0x400, 0x0)
r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
io_submit(0x0, 0x1, &(0x7f0000000300)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x4, 0x6, r0, 0x0, 0x0, 0xfffffffffffffffd}])
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$netlink(r1, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)=[{&(0x7f0000000080)=ANY=[@ANYBLOB="6c00000066001f03"], 0x6c}], 0x1}, 0x0)
socket$netlink(0x10, 0x3, 0xb)
open(&(0x7f0000000000)='./file1\x00', 0x6000, 0x45)
unshare(0x60000000)
mkdir(&(0x7f0000000440)='./file1\x00', 0x0)
mount(0x0, &(0x7f0000000280)='./file1\x00', &(0x7f0000000240)='tmpfs\x00', 0x0, &(0x7f0000000300)='usrquota')
chdir(&(0x7f0000000080)='./file1\x00')
r2 = syz_open_procfs$namespace(0x0, &(0x7f0000000140)='ns/mnt\x00')
setns(r2, 0x0)

program crashed: WARNING in nsproxy_ns_active_get
testing program (duration=45.767144014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi-socket$inet6_tcp-io_submit-socket$netlink-sendmsg$netlink-socket$netlink-open-unshare-mkdir-mount-syz_open_procfs$namespace-setns
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, &(0x7f0000000080)='/dev/comedi3\x00', 0x400, 0x0)
r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
io_submit(0x0, 0x1, &(0x7f0000000300)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x4, 0x6, r0, 0x0, 0x0, 0xfffffffffffffffd}])
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$netlink(r1, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)=[{&(0x7f0000000080)=ANY=[@ANYBLOB="6c00000066001f03"], 0x6c}], 0x1}, 0x0)
socket$netlink(0x10, 0x3, 0xb)
open(&(0x7f0000000000)='./file1\x00', 0x6000, 0x45)
unshare(0x60000000)
mkdir(&(0x7f0000000440)='./file1\x00', 0x0)
mount(0x0, &(0x7f0000000280)='./file1\x00', &(0x7f0000000240)='tmpfs\x00', 0x0, &(0x7f0000000300)='usrquota')
r2 = syz_open_procfs$namespace(0x0, &(0x7f0000000140)='ns/mnt\x00')
setns(r2, 0x0)

program crashed: WARNING in nsproxy_ns_active_get
testing program (duration=45.767144014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi-socket$inet6_tcp-io_submit-socket$netlink-sendmsg$netlink-socket$netlink-open-unshare-mkdir-syz_open_procfs$namespace-setns
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, &(0x7f0000000080)='/dev/comedi3\x00', 0x400, 0x0)
r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
io_submit(0x0, 0x1, &(0x7f0000000300)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x4, 0x6, r0, 0x0, 0x0, 0xfffffffffffffffd}])
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$netlink(r1, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)=[{&(0x7f0000000080)=ANY=[@ANYBLOB="6c00000066001f03"], 0x6c}], 0x1}, 0x0)
socket$netlink(0x10, 0x3, 0xb)
open(&(0x7f0000000000)='./file1\x00', 0x6000, 0x45)
unshare(0x60000000)
mkdir(&(0x7f0000000440)='./file1\x00', 0x0)
r2 = syz_open_procfs$namespace(0x0, &(0x7f0000000140)='ns/mnt\x00')
setns(r2, 0x0)

program crashed: WARNING in nsproxy_ns_active_get
testing program (duration=45.767144014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi-socket$inet6_tcp-io_submit-socket$netlink-sendmsg$netlink-socket$netlink-open-unshare-syz_open_procfs$namespace-setns
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, &(0x7f0000000080)='/dev/comedi3\x00', 0x400, 0x0)
r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
io_submit(0x0, 0x1, &(0x7f0000000300)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x4, 0x6, r0, 0x0, 0x0, 0xfffffffffffffffd}])
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$netlink(r1, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)=[{&(0x7f0000000080)=ANY=[@ANYBLOB="6c00000066001f03"], 0x6c}], 0x1}, 0x0)
socket$netlink(0x10, 0x3, 0xb)
open(&(0x7f0000000000)='./file1\x00', 0x6000, 0x45)
unshare(0x60000000)
r2 = syz_open_procfs$namespace(0x0, &(0x7f0000000140)='ns/mnt\x00')
setns(r2, 0x0)

program crashed: WARNING in nsproxy_ns_active_get
testing program (duration=45.767144014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi-socket$inet6_tcp-io_submit-socket$netlink-sendmsg$netlink-socket$netlink-open-syz_open_procfs$namespace-setns
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, &(0x7f0000000080)='/dev/comedi3\x00', 0x400, 0x0)
r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
io_submit(0x0, 0x1, &(0x7f0000000300)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x4, 0x6, r0, 0x0, 0x0, 0xfffffffffffffffd}])
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$netlink(r1, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)=[{&(0x7f0000000080)=ANY=[@ANYBLOB="6c00000066001f03"], 0x6c}], 0x1}, 0x0)
socket$netlink(0x10, 0x3, 0xb)
open(&(0x7f0000000000)='./file1\x00', 0x6000, 0x45)
r2 = syz_open_procfs$namespace(0x0, &(0x7f0000000140)='ns/mnt\x00')
setns(r2, 0x0)

program crashed: WARNING in alloc_pid
testing program (duration=45.767144014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi-socket$inet6_tcp-io_submit-socket$netlink-sendmsg$netlink-socket$netlink-syz_open_procfs$namespace-setns
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, &(0x7f0000000080)='/dev/comedi3\x00', 0x400, 0x0)
r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
io_submit(0x0, 0x1, &(0x7f0000000300)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x4, 0x6, r0, 0x0, 0x0, 0xfffffffffffffffd}])
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$netlink(r1, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)=[{&(0x7f0000000080)=ANY=[@ANYBLOB="6c00000066001f03"], 0x6c}], 0x1}, 0x0)
socket$netlink(0x10, 0x3, 0xb)
r2 = syz_open_procfs$namespace(0x0, &(0x7f0000000140)='ns/mnt\x00')
setns(r2, 0x0)

program crashed: WARNING in alloc_pid
testing program (duration=45.767144014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi-socket$inet6_tcp-io_submit-socket$netlink-sendmsg$netlink-syz_open_procfs$namespace-setns
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, &(0x7f0000000080)='/dev/comedi3\x00', 0x400, 0x0)
r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
io_submit(0x0, 0x1, &(0x7f0000000300)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x4, 0x6, r0, 0x0, 0x0, 0xfffffffffffffffd}])
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$netlink(r1, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)=[{&(0x7f0000000080)=ANY=[@ANYBLOB="6c00000066001f03"], 0x6c}], 0x1}, 0x0)
r2 = syz_open_procfs$namespace(0x0, &(0x7f0000000140)='ns/mnt\x00')
setns(r2, 0x0)

program crashed: WARNING in alloc_pid
testing program (duration=45.767144014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi-socket$inet6_tcp-io_submit-socket$netlink-syz_open_procfs$namespace-setns
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, &(0x7f0000000080)='/dev/comedi3\x00', 0x400, 0x0)
r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
io_submit(0x0, 0x1, &(0x7f0000000300)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x4, 0x6, r0, 0x0, 0x0, 0xfffffffffffffffd}])
socket$netlink(0x10, 0x3, 0x0)
r1 = syz_open_procfs$namespace(0x0, &(0x7f0000000140)='ns/mnt\x00')
setns(r1, 0x0)

program crashed: WARNING in alloc_pid
testing program (duration=45.767144014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi-socket$inet6_tcp-io_submit-syz_open_procfs$namespace-setns
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, &(0x7f0000000080)='/dev/comedi3\x00', 0x400, 0x0)
r0 = socket$inet6_tcp(0xa, 0x1, 0x0)
io_submit(0x0, 0x1, &(0x7f0000000300)=[&(0x7f0000000080)={0x0, 0x0, 0x0, 0x4, 0x6, r0, 0x0, 0x0, 0xfffffffffffffffd}])
r1 = syz_open_procfs$namespace(0x0, &(0x7f0000000140)='ns/mnt\x00')
setns(r1, 0x0)

program crashed: WARNING in nsproxy_ns_active_put
testing program (duration=45.767144014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi-socket$inet6_tcp-syz_open_procfs$namespace-setns
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, &(0x7f0000000080)='/dev/comedi3\x00', 0x400, 0x0)
socket$inet6_tcp(0xa, 0x1, 0x0)
r0 = syz_open_procfs$namespace(0x0, &(0x7f0000000140)='ns/mnt\x00')
setns(r0, 0x0)

program crashed: WARNING in alloc_pid
testing program (duration=45.767144014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$comedi-syz_open_procfs$namespace-setns
detailed listing:
executing program 0:
openat$comedi(0xffffffffffffff9c, &(0x7f0000000080)='/dev/comedi3\x00', 0x400, 0x0)
r0 = syz_open_procfs$namespace(0x0, &(0x7f0000000140)='ns/mnt\x00')
setns(r0, 0x0)

program crashed: WARNING in alloc_pid
testing program (duration=45.767144014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-setns
detailed listing:
executing program 0:
r0 = syz_open_procfs$namespace(0x0, &(0x7f0000000140)='ns/mnt\x00')
setns(r0, 0x0)

program crashed: WARNING in alloc_pid
testing program (duration=45.767144014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-setns
detailed listing:
executing program 0:
r0 = syz_open_procfs$namespace(0x0, 0x0)
setns(r0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=45.767144014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-setns
program crashed: WARNING in nsproxy_ns_active_put
simplifying C reproducer
testing compiled C program (duration=45.767144014s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-setns
program did not crash
testing compiled C program (duration=45.767144014s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-setns
program crashed: WARNING in put_mnt_ns
a never seen crash title: WARNING in put_mnt_ns, ignore
testing compiled C program (duration=45.767144014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-setns
program crashed: WARNING in nsproxy_ns_active_put
testing compiled C program (duration=45.767144014s, {Threaded:true 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:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-setns
program crashed: WARNING in nsproxy_ns_active_put
testing compiled C program (duration=45.767144014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-setns
testing compiled C program (duration=45.767144014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-setns
program crashed: WARNING in nsproxy_ns_active_put
testing compiled C program (duration=45.767144014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-setns
program crashed: WARNING in nsproxy_ns_active_put
testing compiled C program (duration=45.767144014s, {Threaded:true 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:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-setns
program crashed: WARNING in nsproxy_ns_active_put
testing compiled C program (duration=45.767144014s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-setns
program crashed: WARNING in nsproxy_ns_active_put
testing program (duration=45.767144014s, {Threaded:true 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:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-setns
detailed listing:
executing program 0:
r0 = syz_open_procfs$namespace(0x0, &(0x7f0000000140)='ns/mnt\x00')
setns(r0, 0x0)

program crashed: WARNING in nsproxy_ns_active_put
validation run: crashed=true
testing program (duration=45.767144014s, {Threaded:true 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:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-setns
detailed listing:
executing program 0:
r0 = syz_open_procfs$namespace(0x0, &(0x7f0000000140)='ns/mnt\x00')
setns(r0, 0x0)

program crashed: WARNING in nsproxy_ns_active_put
validation run: crashed=true
testing program (duration=45.767144014s, {Threaded:true 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:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs$namespace-setns
detailed listing:
executing program 0:
r0 = syz_open_procfs$namespace(0x0, &(0x7f0000000140)='ns/mnt\x00')
setns(r0, 0x0)

program crashed: WARNING in nsproxy_ns_active_put
validation run: crashed=true
reproducing took 1h0m57.260115325s
repro crashed as (corrupted=false):
------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:311 at __ns_ref_active_put include/linux/ns_common.h:311 [inline], CPU#0: syz.0.20/6033
WARNING: ./include/linux/ns_common.h:311 at nsproxy_ns_active_put+0xa19/0xd30 fs/nsfs.c:707, CPU#0: syz.0.20/6033
Modules linked in:
CPU: 0 UID: 0 PID: 6033 Comm: syz.0.20 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:__ns_ref_active_put include/linux/ns_common.h:311 [inline]
RIP: 0010:nsproxy_ns_active_put+0xa19/0xd30 fs/nsfs.c:707
Code: 0f 0b 90 e9 71 fc ff ff e8 a4 ec 76 ff 90 0f 0b 90 e9 ab fc ff ff e8 96 ec 76 ff 90 0f 0b 90 e9 41 fd ff ff e8 88 ec 76 ff 90 <0f> 0b 90 e9 64 fd ff ff e8 7a ec 76 ff 90 0f 0b 90 e9 98 fd ff ff
RSP: 0018:ffffc900035f7d38 EFLAGS: 00010293
RAX: ffffffff824ae3a8 RBX: ffff888055c0d478 RCX: ffff888029950000
RDX: 0000000000000000 RSI: 00000000effffff8 RDI: 00000000effffff8
RBP: 00000000effffff8 R08: ffffffff8e36cbcb R09: 1ffffffff1c6d979
R10: dffffc0000000000 R11: fffffbfff1c6d97a R12: dffffc0000000000
R13: 1ffffffff1c6d965 R14: ffffffff8e36cb00 R15: ffffffff8e36cb28
FS:  00007f8c2d1956c0(0000) GS:ffff888125a79000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2fc63fff CR3: 0000000071c0e000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 free_nsproxy+0x26/0x560 kernel/nsproxy.c:190
 put_nsset kernel/nsproxy.c:341 [inline]
 __do_sys_setns kernel/nsproxy.c:594 [inline]
 __se_sys_setns+0x1268/0x17d0 kernel/nsproxy.c:559
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8c2c38f6c9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8c2d195038 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f8c2c5e5fa0 RCX: 00007f8c2c38f6c9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f8c2c411f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8c2c5e6038 R14: 00007f8c2c5e5fa0 R15: 00007ffe076c09f8
 </TASK>

final repro crashed as (corrupted=false):
------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:311 at __ns_ref_active_put include/linux/ns_common.h:311 [inline], CPU#0: syz.0.20/6033
WARNING: ./include/linux/ns_common.h:311 at nsproxy_ns_active_put+0xa19/0xd30 fs/nsfs.c:707, CPU#0: syz.0.20/6033
Modules linked in:
CPU: 0 UID: 0 PID: 6033 Comm: syz.0.20 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:__ns_ref_active_put include/linux/ns_common.h:311 [inline]
RIP: 0010:nsproxy_ns_active_put+0xa19/0xd30 fs/nsfs.c:707
Code: 0f 0b 90 e9 71 fc ff ff e8 a4 ec 76 ff 90 0f 0b 90 e9 ab fc ff ff e8 96 ec 76 ff 90 0f 0b 90 e9 41 fd ff ff e8 88 ec 76 ff 90 <0f> 0b 90 e9 64 fd ff ff e8 7a ec 76 ff 90 0f 0b 90 e9 98 fd ff ff
RSP: 0018:ffffc900035f7d38 EFLAGS: 00010293
RAX: ffffffff824ae3a8 RBX: ffff888055c0d478 RCX: ffff888029950000
RDX: 0000000000000000 RSI: 00000000effffff8 RDI: 00000000effffff8
RBP: 00000000effffff8 R08: ffffffff8e36cbcb R09: 1ffffffff1c6d979
R10: dffffc0000000000 R11: fffffbfff1c6d97a R12: dffffc0000000000
R13: 1ffffffff1c6d965 R14: ffffffff8e36cb00 R15: ffffffff8e36cb28
FS:  00007f8c2d1956c0(0000) GS:ffff888125a79000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2fc63fff CR3: 0000000071c0e000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 free_nsproxy+0x26/0x560 kernel/nsproxy.c:190
 put_nsset kernel/nsproxy.c:341 [inline]
 __do_sys_setns kernel/nsproxy.c:594 [inline]
 __se_sys_setns+0x1268/0x17d0 kernel/nsproxy.c:559
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8c2c38f6c9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8c2d195038 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f8c2c5e5fa0 RCX: 00007f8c2c38f6c9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 00007f8c2c411f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8c2c5e6038 R14: 00007f8c2c5e5fa0 R15: 00007ffe076c09f8
 </TASK>