Extracting prog: 6m13.726226802s
Minimizing prog: 1h45m54.714565935s
Simplifying prog options: 18m13.431245639s
Extracting C: 9m7.978984386s
Simplifying C: 0s


1 programs, 3 VMs, timeouts [15s 6m0s]
extracting reproducer from 1 programs
single: executing 1 programs separately with timeout 15s
testing program (duration=15s, {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$cgroup_ro-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-ioctl$EXT4_IOC_CHECKPOINT
detailed listing:
executing program 0:
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="180100001c00000000000000120000f1850000006d00000095"], &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x90)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000001700)={&(0x7f0000001740)='hrtimer_expire_entry\x00', r1}, 0x10)
ioctl$EXT4_IOC_CHECKPOINT(r0, 0x4004662b, &(0x7f0000000000)=0x2)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {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$cgroup_ro-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-ioctl$EXT4_IOC_CHECKPOINT
detailed listing:
executing program 0:
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="180100001c00000000000000120000f1850000006d00000095"], &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x90)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000001700)={&(0x7f0000001740)='hrtimer_expire_entry\x00', r1}, 0x10)
ioctl$EXT4_IOC_CHECKPOINT(r0, 0x4004662b, &(0x7f0000000000)=0x2)

program crashed: KMSAN: kernel-infoleak-after-free in copy_siginfo_to_user
single: successfully extracted reproducer
found reproducer with 4 syscalls
minimizing guilty program
testing program (duration=9m0s, {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$cgroup_ro-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN
detailed listing:
executing program 0:
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0)
r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="180100001c00000000000000120000f1850000006d00000095"], &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x90)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000001700)={&(0x7f0000001740)='hrtimer_expire_entry\x00', r0}, 0x10)

program did not crash
testing program (duration=9m0s, {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$cgroup_ro-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-ioctl$EXT4_IOC_CHECKPOINT
detailed listing:
executing program 0:
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="180100001c00000000000000120000f1850000006d00000095"], &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x90)
ioctl$EXT4_IOC_CHECKPOINT(r0, 0x4004662b, &(0x7f0000000000)=0x2)

program did not crash
testing program (duration=9m0s, {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$cgroup_ro-bpf$BPF_RAW_TRACEPOINT_OPEN-ioctl$EXT4_IOC_CHECKPOINT
detailed listing:
executing program 0:
r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000001c0)='cgroup.controllers\x00', 0x275a, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000001700)={&(0x7f0000001740)='hrtimer_expire_entry\x00'}, 0x10)
ioctl$EXT4_IOC_CHECKPOINT(r0, 0x4004662b, &(0x7f0000000000)=0x2)

program did not crash
testing program (duration=9m0s, {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}}): bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-ioctl$EXT4_IOC_CHECKPOINT
detailed listing:
executing program 0:
r0 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="180100001c00000000000000120000f1850000006d00000095"], &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x90)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000001700)={&(0x7f0000001740)='hrtimer_expire_entry\x00', r0}, 0x10)
ioctl$EXT4_IOC_CHECKPOINT(0xffffffffffffffff, 0x4004662b, &(0x7f0000000000)=0x2)

program did not crash
testing program (duration=9m0s, {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$cgroup_ro-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-ioctl$EXT4_IOC_CHECKPOINT
detailed listing:
executing program 0:
r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="180100001c00000000000000120000f1850000006d00000095"], &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x90)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000001700)={&(0x7f0000001740)='hrtimer_expire_entry\x00', r1}, 0x10)
ioctl$EXT4_IOC_CHECKPOINT(r0, 0x4004662b, &(0x7f0000000000)=0x2)

program crashed: KMSAN: kernel-infoleak-after-free in copy_siginfo_to_user
testing program (duration=9m0s, {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$cgroup_ro-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-ioctl$EXT4_IOC_CHECKPOINT
detailed listing:
executing program 0:
r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, 0x0, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000001700)={&(0x7f0000001740)='hrtimer_expire_entry\x00', r1}, 0x10)
ioctl$EXT4_IOC_CHECKPOINT(r0, 0x4004662b, &(0x7f0000000000)=0x2)

program did not crash
testing program (duration=9m0s, {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$cgroup_ro-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-ioctl$EXT4_IOC_CHECKPOINT
detailed listing:
executing program 0:
r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, 0x0, &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x90)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000001700)={&(0x7f0000001740)='hrtimer_expire_entry\x00', r1}, 0x10)
ioctl$EXT4_IOC_CHECKPOINT(r0, 0x4004662b, &(0x7f0000000000)=0x2)

program did not crash
testing program (duration=9m0s, {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$cgroup_ro-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-ioctl$EXT4_IOC_CHECKPOINT
detailed listing:
executing program 0:
r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB], &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x90)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000001700)={&(0x7f0000001740)='hrtimer_expire_entry\x00', r1}, 0x10)
ioctl$EXT4_IOC_CHECKPOINT(r0, 0x4004662b, &(0x7f0000000000)=0x2)

program did not crash
testing program (duration=9m0s, {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$cgroup_ro-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-ioctl$EXT4_IOC_CHECKPOINT
detailed listing:
executing program 0:
r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="180100001c00000000000000120000f1850000006d00000095"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x90)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000001700)={&(0x7f0000001740)='hrtimer_expire_entry\x00', r1}, 0x10)
ioctl$EXT4_IOC_CHECKPOINT(r0, 0x4004662b, &(0x7f0000000000)=0x2)

program did not crash
testing program (duration=9m0s, {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$cgroup_ro-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-ioctl$EXT4_IOC_CHECKPOINT
detailed listing:
executing program 0:
r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0)
bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="180100001c00000000000000120000f1850000006d00000095"], &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x90)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, 0x0, 0x0)
ioctl$EXT4_IOC_CHECKPOINT(r0, 0x4004662b, &(0x7f0000000000)=0x2)

program did not crash
testing program (duration=9m0s, {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$cgroup_ro-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-ioctl$EXT4_IOC_CHECKPOINT
detailed listing:
executing program 0:
r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="180100001c00000000000000120000f1850000006d00000095"], &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x90)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000001700)={0x0, r1}, 0x10)
ioctl$EXT4_IOC_CHECKPOINT(r0, 0x4004662b, &(0x7f0000000000)=0x2)

program did not crash
testing program (duration=9m0s, {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$cgroup_ro-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-ioctl$EXT4_IOC_CHECKPOINT
detailed listing:
executing program 0:
r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="180100001c00000000000000120000f1850000006d00000095"], &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x90)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000001700)={&(0x7f0000001740)='hrtimer_expire_entry\x00', r1}, 0x10)
ioctl$EXT4_IOC_CHECKPOINT(r0, 0x4004662b, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=9m0s, {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$cgroup_ro-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-ioctl$EXT4_IOC_CHECKPOINT
program did not crash
simplifying guilty program options
testing program (duration=9m0s, {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}}): openat$cgroup_ro-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-ioctl$EXT4_IOC_CHECKPOINT
detailed listing:
executing program 0:
r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="180100001c00000000000000120000f1850000006d00000095"], &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x90)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000001700)={&(0x7f0000001740)='hrtimer_expire_entry\x00', r1}, 0x10)
ioctl$EXT4_IOC_CHECKPOINT(r0, 0x4004662b, &(0x7f0000000000)=0x2)

program did not crash
testing program (duration=9m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$cgroup_ro-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-ioctl$EXT4_IOC_CHECKPOINT
detailed listing:
executing program 0:
r0 = openat$cgroup_ro(0xffffffffffffff9c, 0x0, 0x275a, 0x0)
r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000200)={0x18, 0x4, &(0x7f00000002c0)=ANY=[@ANYBLOB="180100001c00000000000000120000f1850000006d00000095"], &(0x7f0000000000)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2}, 0x90)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000001700)={&(0x7f0000001740)='hrtimer_expire_entry\x00', r1}, 0x10)
ioctl$EXT4_IOC_CHECKPOINT(r0, 0x4004662b, &(0x7f0000000000)=0x2)

program did not crash
reproducing took 2h19m29.851044672s
repro crashed as (corrupted=false):
=====================================================
BUG: KMSAN: kernel-infoleak-after-free in instrument_copy_to_user include/linux/instrumented.h:114 [inline]
BUG: KMSAN: kernel-infoleak-after-free in _copy_to_user+0xbc/0x110 lib/usercopy.c:40
 instrument_copy_to_user include/linux/instrumented.h:114 [inline]
 _copy_to_user+0xbc/0x110 lib/usercopy.c:40
 copy_to_user include/linux/uaccess.h:191 [inline]
 copy_siginfo_to_user+0x40/0x130 kernel/signal.c:3380
 x64_setup_rt_frame+0x1e74/0x2460 arch/x86/kernel/signal_64.c:194
 setup_rt_frame arch/x86/kernel/signal.c:223 [inline]
 handle_signal arch/x86/kernel/signal.c:267 [inline]
 arch_do_signal_or_restart+0x627/0xcb0 arch/x86/kernel/signal.c:312
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x5d/0x160 kernel/entry/common.c:218
 do_syscall_64+0xdc/0x1e0 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was stored to memory at:
 copy_siginfo include/linux/signal.h:18 [inline]
 collect_signal kernel/signal.c:587 [inline]
 __dequeue_signal+0x501/0xad0 kernel/signal.c:616
 dequeue_signal+0x14b/0xb20 kernel/signal.c:639
 get_signal+0xb46/0x2d00 kernel/signal.c:2790
 arch_do_signal_or_restart+0x53/0xcb0 arch/x86/kernel/signal.c:310
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x5d/0x160 kernel/entry/common.c:218
 do_syscall_64+0xdc/0x1e0 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was created at:
 slab_free_hook mm/slub.c:2083 [inline]
 slab_free mm/slub.c:4353 [inline]
 kmem_cache_free+0x25f/0xac0 mm/slub.c:4417
 __sigqueue_free kernel/signal.c:451 [inline]
 collect_signal kernel/signal.c:594 [inline]
 __dequeue_signal+0xa58/0xad0 kernel/signal.c:616
 dequeue_signal+0x14b/0xb20 kernel/signal.c:639
 get_signal+0xb46/0x2d00 kernel/signal.c:2790
 arch_do_signal_or_restart+0x53/0xcb0 arch/x86/kernel/signal.c:310
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x5d/0x160 kernel/entry/common.c:218
 do_syscall_64+0xdc/0x1e0 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Bytes 12-15 of 48 are uninitialized
Memory access of size 48 starts at ffff88810423be20
Data copied to user address 000000c000063bf0

CPU: 1 PID: 5057 Comm: syz-execprog Not tainted 6.9.0-syzkaller-02707-g614da38e2f7a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
=====================================================

final repro crashed as (corrupted=false):
=====================================================
BUG: KMSAN: kernel-infoleak-after-free in instrument_copy_to_user include/linux/instrumented.h:114 [inline]
BUG: KMSAN: kernel-infoleak-after-free in _copy_to_user+0xbc/0x110 lib/usercopy.c:40
 instrument_copy_to_user include/linux/instrumented.h:114 [inline]
 _copy_to_user+0xbc/0x110 lib/usercopy.c:40
 copy_to_user include/linux/uaccess.h:191 [inline]
 copy_siginfo_to_user+0x40/0x130 kernel/signal.c:3380
 x64_setup_rt_frame+0x1e74/0x2460 arch/x86/kernel/signal_64.c:194
 setup_rt_frame arch/x86/kernel/signal.c:223 [inline]
 handle_signal arch/x86/kernel/signal.c:267 [inline]
 arch_do_signal_or_restart+0x627/0xcb0 arch/x86/kernel/signal.c:312
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x5d/0x160 kernel/entry/common.c:218
 do_syscall_64+0xdc/0x1e0 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was stored to memory at:
 copy_siginfo include/linux/signal.h:18 [inline]
 collect_signal kernel/signal.c:587 [inline]
 __dequeue_signal+0x501/0xad0 kernel/signal.c:616
 dequeue_signal+0x14b/0xb20 kernel/signal.c:639
 get_signal+0xb46/0x2d00 kernel/signal.c:2790
 arch_do_signal_or_restart+0x53/0xcb0 arch/x86/kernel/signal.c:310
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x5d/0x160 kernel/entry/common.c:218
 do_syscall_64+0xdc/0x1e0 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Uninit was created at:
 slab_free_hook mm/slub.c:2083 [inline]
 slab_free mm/slub.c:4353 [inline]
 kmem_cache_free+0x25f/0xac0 mm/slub.c:4417
 __sigqueue_free kernel/signal.c:451 [inline]
 collect_signal kernel/signal.c:594 [inline]
 __dequeue_signal+0xa58/0xad0 kernel/signal.c:616
 dequeue_signal+0x14b/0xb20 kernel/signal.c:639
 get_signal+0xb46/0x2d00 kernel/signal.c:2790
 arch_do_signal_or_restart+0x53/0xcb0 arch/x86/kernel/signal.c:310
 exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x5d/0x160 kernel/entry/common.c:218
 do_syscall_64+0xdc/0x1e0 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Bytes 12-15 of 48 are uninitialized
Memory access of size 48 starts at ffff88810423be20
Data copied to user address 000000c000063bf0

CPU: 1 PID: 5057 Comm: syz-execprog Not tainted 6.9.0-syzkaller-02707-g614da38e2f7a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024
=====================================================