Extracting prog: 52.228577349s
Minimizing prog: 11m5.816684883s
Simplifying prog options: 0s
Extracting C: 32.518374275s
Simplifying C: 5m3.313002683s


30 programs, timeouts [30s 1m40s 6m0s]
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: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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-prlimit64-sched_setscheduler-openat$hwrng-preadv-openat$fuse-syz_open_procfs-read$FUSE
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r0, 0x4018620d, &(0x7f0000000100))
openat$binderfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, 0x0)
r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000001c0), 0x40000, 0x0)
preadv(r1, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0)
openat$fuse(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0)
r2 = syz_open_procfs(0x0, &(0x7f0000000280)='cpuset\x00')
read$FUSE(r2, &(0x7f0000004180)={0x2020}, 0x2020)

program crashed: WARNING in cset_cgroup_from_root
single: successfully extracted reproducer
found reproducer with 10 syscalls
minimizing guilty program
testing program (duration=44.429155629s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-prlimit64-sched_setscheduler-openat$hwrng-preadv-openat$fuse-syz_open_procfs
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r0, 0x4018620d, &(0x7f0000000100))
openat$binderfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, 0x0)
r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000001c0), 0x40000, 0x0)
preadv(r1, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0)
openat$fuse(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0)
syz_open_procfs(0x0, &(0x7f0000000280)='cpuset\x00')

program did not crash
testing program (duration=44.429155629s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-prlimit64-sched_setscheduler-openat$hwrng-preadv-openat$fuse-read$FUSE
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r0, 0x4018620d, &(0x7f0000000100))
openat$binderfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, 0x0)
r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000001c0), 0x40000, 0x0)
preadv(r1, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0)
openat$fuse(0xffffffffffffff9c, &(0x7f0000000040), 0x2, 0x0)
read$FUSE(0xffffffffffffffff, &(0x7f0000004180)={0x2020}, 0x2020)

program did not crash
testing program (duration=44.429155629s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-prlimit64-sched_setscheduler-openat$hwrng-preadv-syz_open_procfs-read$FUSE
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r0, 0x4018620d, &(0x7f0000000100))
openat$binderfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, 0x0)
r1 = openat$hwrng(0xffffffffffffff9c, &(0x7f00000001c0), 0x40000, 0x0)
preadv(r1, &(0x7f0000000240)=[{&(0x7f0000033a80)=""/102386, 0xfffffd6e}], 0x1, 0x0, 0x0)
r2 = syz_open_procfs(0x0, &(0x7f0000000280)='cpuset\x00')
read$FUSE(r2, &(0x7f0000004180)={0x2020}, 0x2020)

program crashed: WARNING in cset_cgroup_from_root
testing program (duration=44.429155629s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-prlimit64-sched_setscheduler-openat$hwrng-syz_open_procfs-read$FUSE
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r0, 0x4018620d, &(0x7f0000000100))
openat$binderfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, 0x0)
openat$hwrng(0xffffffffffffff9c, &(0x7f00000001c0), 0x40000, 0x0)
r1 = syz_open_procfs(0x0, &(0x7f0000000280)='cpuset\x00')
read$FUSE(r1, &(0x7f0000004180)={0x2020}, 0x2020)

program crashed: WARNING in cset_cgroup_from_root
testing program (duration=44.429155629s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-prlimit64-sched_setscheduler-syz_open_procfs-read$FUSE
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r0, 0x4018620d, &(0x7f0000000100))
openat$binderfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100008b}, 0x0)
sched_setscheduler(0x0, 0x1, 0x0)
r1 = syz_open_procfs(0x0, &(0x7f0000000280)='cpuset\x00')
read$FUSE(r1, &(0x7f0000004180)={0x2020}, 0x2020)

program crashed: WARNING in cset_cgroup_from_root
testing program (duration=44.429155629s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-prlimit64-syz_open_procfs-read$FUSE
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r0, 0x4018620d, &(0x7f0000000100))
openat$binderfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x100008b}, 0x0)
r1 = syz_open_procfs(0x0, &(0x7f0000000280)='cpuset\x00')
read$FUSE(r1, &(0x7f0000004180)={0x2020}, 0x2020)

program crashed: WARNING in cset_cgroup_from_root
testing program (duration=44.429155629s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-openat$binderfs-syz_open_procfs-read$FUSE
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r0, 0x4018620d, &(0x7f0000000100))
openat$binderfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)
r1 = syz_open_procfs(0x0, &(0x7f0000000280)='cpuset\x00')
read$FUSE(r1, &(0x7f0000004180)={0x2020}, 0x2020)

program crashed: WARNING in cset_cgroup_from_root
testing program (duration=44.429155629s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-ioctl$BINDER_SET_CONTEXT_MGR_EXT-syz_open_procfs-read$FUSE
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0)
ioctl$BINDER_SET_CONTEXT_MGR_EXT(r0, 0x4018620d, &(0x7f0000000100))
r1 = syz_open_procfs(0x0, &(0x7f0000000280)='cpuset\x00')
read$FUSE(r1, &(0x7f0000004180)={0x2020}, 0x2020)

program crashed: WARNING in cset_cgroup_from_root
testing program (duration=44.429155629s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$binderfs-syz_open_procfs-read$FUSE
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f00000000c0)='./binderfs/binder0\x00', 0x0, 0x0)
r0 = syz_open_procfs(0x0, &(0x7f0000000280)='cpuset\x00')
read$FUSE(r0, &(0x7f0000004180)={0x2020}, 0x2020)

program crashed: WARNING in cset_cgroup_from_root
testing program (duration=44.429155629s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs-read$FUSE
detailed listing:
executing program 0:
r0 = syz_open_procfs(0x0, &(0x7f0000000280)='cpuset\x00')
read$FUSE(r0, &(0x7f0000004180)={0x2020}, 0x2020)

program crashed: WARNING in cset_cgroup_from_root
testing program (duration=44.429155629s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs-read$FUSE
detailed listing:
executing program 0:
r0 = syz_open_procfs(0x0, 0x0)
read$FUSE(r0, &(0x7f0000004180)={0x2020}, 0x2020)

program did not crash
testing program (duration=44.429155629s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs-read$FUSE
detailed listing:
executing program 0:
r0 = syz_open_procfs(0x0, &(0x7f0000000280)='cpuset\x00')
read$FUSE(r0, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=44.429155629s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs-read$FUSE
program crashed: WARNING in cset_cgroup_from_root
simplifying C reproducer
testing compiled C program (duration=44.429155629s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs-read$FUSE
program crashed: WARNING in cset_cgroup_from_root
testing compiled C program (duration=44.429155629s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs-read$FUSE
program crashed: WARNING in cset_cgroup_from_root
testing compiled C program (duration=44.429155629s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs-read$FUSE
program crashed: WARNING in cset_cgroup_from_root
testing compiled C program (duration=44.429155629s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs-read$FUSE
program crashed: WARNING in cset_cgroup_from_root
testing compiled C program (duration=44.429155629s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs-read$FUSE
program crashed: WARNING in cset_cgroup_from_root
testing compiled C program (duration=44.429155629s, {Threaded:false Repeat:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs-read$FUSE
program crashed: WARNING in cset_cgroup_from_root
testing compiled C program (duration=44.429155629s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_open_procfs-read$FUSE
program crashed: WARNING in cset_cgroup_from_root
reproducing took 17m33.876661289s
repro crashed as (corrupted=false):
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3562 at kernel/cgroup/cgroup.c:1424 cset_cgroup_from_root+0x1c7/0x230
Modules linked in:
CPU: 1 PID: 3562 Comm: syz-executor428 Not tainted 5.15.166-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:cset_cgroup_from_root+0x1c7/0x230 kernel/cgroup/cgroup.c:1424
Code: 78 4c 89 f8 48 c1 e8 03 80 3c 28 00 74 08 4c 89 ff e8 1d b1 52 00 4d 8b 27 4d 85 e4 75 c7 e8 30 e8 08 00 0f 0b e8 29 e8 08 00 <0f> 0b e9 a4 fe ff ff e8 1d e8 08 00 0f 0b e9 f9 fe ff ff 48 c7 c1
RSP: 0018:ffffc90002527958 EFLAGS: 00010093
RAX: ffffffff817771d7 RBX: 0000000000000000 RCX: ffff88801dd4bb80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81777075 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffffffff8c945b50
R13: dffffc0000000000 R14: ffffffff8c945b40 R15: ffffffff8c947f80
FS:  000055557d83d380(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000280 CR3: 0000000074a33000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 cgroup_path_ns_locked+0x6c/0xd0 kernel/cgroup/cgroup.c:2302
 proc_cpuset_show+0x27d/0x3f0 kernel/cgroup/cpuset.c:3787
 proc_single_show+0xf6/0x180 fs/proc/base.c:778
 seq_read_iter+0x43a/0xd10 fs/seq_file.c:230
 seq_read+0x452/0x5c0 fs/seq_file.c:162
 vfs_read+0x2fc/0xe10 fs/read_write.c:483
 ksys_read+0x1a2/0x2c0 fs/read_write.c:623
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fec6bb69529
Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe60b64958 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007ffe60b64960 RCX: 00007fec6bb69529
RDX: 0000000000002020 RSI: 0000000020004180 RDI: 0000000000000003
RBP: 00007fec6bbdc610 R08: 0000000000000000 R09: 65732f636f72702f
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffe60b64b98 R14: 0000000000000001 R15: 0000000000000001
 </TASK>

final repro crashed as (corrupted=false):
------------[ cut here ]------------
WARNING: CPU: 1 PID: 3562 at kernel/cgroup/cgroup.c:1424 cset_cgroup_from_root+0x1c7/0x230
Modules linked in:
CPU: 1 PID: 3562 Comm: syz-executor428 Not tainted 5.15.166-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:cset_cgroup_from_root+0x1c7/0x230 kernel/cgroup/cgroup.c:1424
Code: 78 4c 89 f8 48 c1 e8 03 80 3c 28 00 74 08 4c 89 ff e8 1d b1 52 00 4d 8b 27 4d 85 e4 75 c7 e8 30 e8 08 00 0f 0b e8 29 e8 08 00 <0f> 0b e9 a4 fe ff ff e8 1d e8 08 00 0f 0b e9 f9 fe ff ff 48 c7 c1
RSP: 0018:ffffc90002527958 EFLAGS: 00010093
RAX: ffffffff817771d7 RBX: 0000000000000000 RCX: ffff88801dd4bb80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: dffffc0000000000 R08: ffffffff81777075 R09: 0000000000000003
R10: ffffffffffffffff R11: dffffc0000000001 R12: ffffffff8c945b50
R13: dffffc0000000000 R14: ffffffff8c945b40 R15: ffffffff8c947f80
FS:  000055557d83d380(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000280 CR3: 0000000074a33000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 cgroup_path_ns_locked+0x6c/0xd0 kernel/cgroup/cgroup.c:2302
 proc_cpuset_show+0x27d/0x3f0 kernel/cgroup/cpuset.c:3787
 proc_single_show+0xf6/0x180 fs/proc/base.c:778
 seq_read_iter+0x43a/0xd10 fs/seq_file.c:230
 seq_read+0x452/0x5c0 fs/seq_file.c:162
 vfs_read+0x2fc/0xe10 fs/read_write.c:483
 ksys_read+0x1a2/0x2c0 fs/read_write.c:623
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fec6bb69529
Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe60b64958 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007ffe60b64960 RCX: 00007fec6bb69529
RDX: 0000000000002020 RSI: 0000000020004180 RDI: 0000000000000003
RBP: 00007fec6bbdc610 R08: 0000000000000000 R09: 65732f636f72702f
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffe60b64b98 R14: 0000000000000001 R15: 0000000000000001
 </TASK>