Extracting prog: 2m23.476922098s
Minimizing prog: 25m38.32390892s
Simplifying prog options: 0s
Extracting C: 1m11.057968827s
Simplifying C: 29m38.479770607s


extracting reproducer from 31 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_def_blk_fops_fs-adjtimex$auto-write$auto_tomoyo_operations_securityfs_if-mmap$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-pread64$auto-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
detailed listing:
executing program 0:
openat$auto_def_blk_fops_fs(0xffffffffffffff9c, 0x0, 0xc0c00, 0x0)
adjtimex$auto(0x0)
write$auto_tomoyo_operations_securityfs_if(0xffffffffffffffff, 0x0, 0x0)
mmap$auto(0x0, 0x400008, 0xdf, 0x9b72, 0x0, 0x100000000008000)
close_range$auto(0x2, 0x8, 0x0)
openat$auto_console_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000000)='/dev/tty0\x00', 0x0, 0x0)
openat$auto_stat_fops_per_vm_kvm_main(0xffffffffffffff9c, &(0x7f0000000280)='/sys/kernel/debug/fail_io_timeout/probability\x00', 0x20000, 0x0)
pread64$auto(0xffffffffffffffff, 0x0, 0x8, 0x8000)
read$auto(0x3, 0x0, 0x80)
r0 = openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0)
write$auto(r0, 0x0, 0x9) (fail_nth: 7)

program crashed: KASAN: slab-use-after-free Read in __free_filter
single: successfully extracted reproducer
found reproducer with 11 syscalls
minimizing guilty program
testing program (duration=45.780631011s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_def_blk_fops_fs-adjtimex$auto-write$auto_tomoyo_operations_securityfs_if-mmap$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-pread64$auto-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events
detailed listing:
executing program 0:
openat$auto_def_blk_fops_fs(0xffffffffffffff9c, 0x0, 0xc0c00, 0x0)
adjtimex$auto(0x0)
write$auto_tomoyo_operations_securityfs_if(0xffffffffffffffff, 0x0, 0x0)
mmap$auto(0x0, 0x400008, 0xdf, 0x9b72, 0x0, 0x100000000008000)
close_range$auto(0x2, 0x8, 0x0)
openat$auto_console_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000000)='/dev/tty0\x00', 0x0, 0x0)
openat$auto_stat_fops_per_vm_kvm_main(0xffffffffffffff9c, &(0x7f0000000280)='/sys/kernel/debug/fail_io_timeout/probability\x00', 0x20000, 0x0)
pread64$auto(0xffffffffffffffff, 0x0, 0x8, 0x8000)
read$auto(0x3, 0x0, 0x80)
openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0)

program did not crash
testing program (duration=45.780631011s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_def_blk_fops_fs-adjtimex$auto-write$auto_tomoyo_operations_securityfs_if-mmap$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-pread64$auto-read$auto-write$auto
detailed listing:
executing program 0:
openat$auto_def_blk_fops_fs(0xffffffffffffff9c, 0x0, 0xc0c00, 0x0)
adjtimex$auto(0x0)
write$auto_tomoyo_operations_securityfs_if(0xffffffffffffffff, 0x0, 0x0)
mmap$auto(0x0, 0x400008, 0xdf, 0x9b72, 0x0, 0x100000000008000)
close_range$auto(0x2, 0x8, 0x0)
openat$auto_console_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000000)='/dev/tty0\x00', 0x0, 0x0)
openat$auto_stat_fops_per_vm_kvm_main(0xffffffffffffff9c, &(0x7f0000000280)='/sys/kernel/debug/fail_io_timeout/probability\x00', 0x20000, 0x0)
pread64$auto(0xffffffffffffffff, 0x0, 0x8, 0x8000)
read$auto(0x3, 0x0, 0x80)
write$auto(0xffffffffffffffff, 0x0, 0x9) (fail_nth: 7)

program did not crash
testing program (duration=45.780631011s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_def_blk_fops_fs-adjtimex$auto-write$auto_tomoyo_operations_securityfs_if-mmap$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-pread64$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
detailed listing:
executing program 0:
openat$auto_def_blk_fops_fs(0xffffffffffffff9c, 0x0, 0xc0c00, 0x0)
adjtimex$auto(0x0)
write$auto_tomoyo_operations_securityfs_if(0xffffffffffffffff, 0x0, 0x0)
mmap$auto(0x0, 0x400008, 0xdf, 0x9b72, 0x0, 0x100000000008000)
close_range$auto(0x2, 0x8, 0x0)
openat$auto_console_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000000)='/dev/tty0\x00', 0x0, 0x0)
openat$auto_stat_fops_per_vm_kvm_main(0xffffffffffffff9c, &(0x7f0000000280)='/sys/kernel/debug/fail_io_timeout/probability\x00', 0x20000, 0x0)
pread64$auto(0xffffffffffffffff, 0x0, 0x8, 0x8000)
r0 = openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0)
write$auto(r0, 0x0, 0x9) (fail_nth: 7)

program did not crash
testing program (duration=45.780631011s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_def_blk_fops_fs-adjtimex$auto-write$auto_tomoyo_operations_securityfs_if-mmap$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
detailed listing:
executing program 0:
openat$auto_def_blk_fops_fs(0xffffffffffffff9c, 0x0, 0xc0c00, 0x0)
adjtimex$auto(0x0)
write$auto_tomoyo_operations_securityfs_if(0xffffffffffffffff, 0x0, 0x0)
mmap$auto(0x0, 0x400008, 0xdf, 0x9b72, 0x0, 0x100000000008000)
close_range$auto(0x2, 0x8, 0x0)
openat$auto_console_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000000)='/dev/tty0\x00', 0x0, 0x0)
openat$auto_stat_fops_per_vm_kvm_main(0xffffffffffffff9c, &(0x7f0000000280)='/sys/kernel/debug/fail_io_timeout/probability\x00', 0x20000, 0x0)
read$auto(0x3, 0x0, 0x80)
r0 = openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0)
write$auto(r0, 0x0, 0x9) (fail_nth: 7)

program crashed: KASAN: slab-use-after-free Read in __free_filter
testing program (duration=45.780631011s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_def_blk_fops_fs-adjtimex$auto-write$auto_tomoyo_operations_securityfs_if-mmap$auto-close_range$auto-openat$auto_console_fops_tty_io-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
detailed listing:
executing program 0:
openat$auto_def_blk_fops_fs(0xffffffffffffff9c, 0x0, 0xc0c00, 0x0)
adjtimex$auto(0x0)
write$auto_tomoyo_operations_securityfs_if(0xffffffffffffffff, 0x0, 0x0)
mmap$auto(0x0, 0x400008, 0xdf, 0x9b72, 0x0, 0x100000000008000)
close_range$auto(0x2, 0x8, 0x0)
openat$auto_console_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000000)='/dev/tty0\x00', 0x0, 0x0)
read$auto(0x3, 0x0, 0x80)
r0 = openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0)
write$auto(r0, 0x0, 0x9) (fail_nth: 7)

program did not crash
testing program (duration=45.780631011s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_def_blk_fops_fs-adjtimex$auto-write$auto_tomoyo_operations_securityfs_if-mmap$auto-close_range$auto-openat$auto_stat_fops_per_vm_kvm_main-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
detailed listing:
executing program 0:
openat$auto_def_blk_fops_fs(0xffffffffffffff9c, 0x0, 0xc0c00, 0x0)
adjtimex$auto(0x0)
write$auto_tomoyo_operations_securityfs_if(0xffffffffffffffff, 0x0, 0x0)
mmap$auto(0x0, 0x400008, 0xdf, 0x9b72, 0x0, 0x100000000008000)
close_range$auto(0x2, 0x8, 0x0)
openat$auto_stat_fops_per_vm_kvm_main(0xffffffffffffff9c, &(0x7f0000000280)='/sys/kernel/debug/fail_io_timeout/probability\x00', 0x20000, 0x0)
read$auto(0x3, 0x0, 0x80)
r0 = openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0)
write$auto(r0, 0x0, 0x9) (fail_nth: 7)

program did not crash
testing program (duration=45.780631011s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_def_blk_fops_fs-adjtimex$auto-write$auto_tomoyo_operations_securityfs_if-mmap$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
detailed listing:
executing program 0:
openat$auto_def_blk_fops_fs(0xffffffffffffff9c, 0x0, 0xc0c00, 0x0)
adjtimex$auto(0x0)
write$auto_tomoyo_operations_securityfs_if(0xffffffffffffffff, 0x0, 0x0)
mmap$auto(0x0, 0x400008, 0xdf, 0x9b72, 0x0, 0x100000000008000)
openat$auto_console_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000000)='/dev/tty0\x00', 0x0, 0x0)
openat$auto_stat_fops_per_vm_kvm_main(0xffffffffffffff9c, &(0x7f0000000280)='/sys/kernel/debug/fail_io_timeout/probability\x00', 0x20000, 0x0)
read$auto(0x3, 0x0, 0x80)
r0 = openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0)
write$auto(r0, 0x0, 0x9) (fail_nth: 7)

program did not crash
testing program (duration=45.780631011s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_def_blk_fops_fs-adjtimex$auto-write$auto_tomoyo_operations_securityfs_if-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
detailed listing:
executing program 0:
openat$auto_def_blk_fops_fs(0xffffffffffffff9c, 0x0, 0xc0c00, 0x0)
adjtimex$auto(0x0)
write$auto_tomoyo_operations_securityfs_if(0xffffffffffffffff, 0x0, 0x0)
close_range$auto(0x2, 0x8, 0x0)
openat$auto_console_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000000)='/dev/tty0\x00', 0x0, 0x0)
openat$auto_stat_fops_per_vm_kvm_main(0xffffffffffffff9c, &(0x7f0000000280)='/sys/kernel/debug/fail_io_timeout/probability\x00', 0x20000, 0x0)
read$auto(0x3, 0x0, 0x80)
r0 = openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0)
write$auto(r0, 0x0, 0x9) (fail_nth: 7)

program did not crash
testing program (duration=45.780631011s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_def_blk_fops_fs-adjtimex$auto-mmap$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
detailed listing:
executing program 0:
openat$auto_def_blk_fops_fs(0xffffffffffffff9c, 0x0, 0xc0c00, 0x0)
adjtimex$auto(0x0)
mmap$auto(0x0, 0x400008, 0xdf, 0x9b72, 0x0, 0x100000000008000)
close_range$auto(0x2, 0x8, 0x0)
openat$auto_console_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000000)='/dev/tty0\x00', 0x0, 0x0)
openat$auto_stat_fops_per_vm_kvm_main(0xffffffffffffff9c, &(0x7f0000000280)='/sys/kernel/debug/fail_io_timeout/probability\x00', 0x20000, 0x0)
read$auto(0x3, 0x0, 0x80)
r0 = openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0)
write$auto(r0, 0x0, 0x9) (fail_nth: 7)

program crashed: KASAN: slab-use-after-free Read in __free_filter
testing program (duration=45.780631011s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$auto_def_blk_fops_fs-mmap$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
detailed listing:
executing program 0:
openat$auto_def_blk_fops_fs(0xffffffffffffff9c, 0x0, 0xc0c00, 0x0)
mmap$auto(0x0, 0x400008, 0xdf, 0x9b72, 0x0, 0x100000000008000)
close_range$auto(0x2, 0x8, 0x0)
openat$auto_console_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000000)='/dev/tty0\x00', 0x0, 0x0)
openat$auto_stat_fops_per_vm_kvm_main(0xffffffffffffff9c, &(0x7f0000000280)='/sys/kernel/debug/fail_io_timeout/probability\x00', 0x20000, 0x0)
read$auto(0x3, 0x0, 0x80)
r0 = openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0)
write$auto(r0, 0x0, 0x9) (fail_nth: 7)

program crashed: KASAN: slab-use-after-free Read in __free_filter
testing program (duration=45.780631011s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x400008, 0xdf, 0x9b72, 0x0, 0x100000000008000)
close_range$auto(0x2, 0x8, 0x0)
openat$auto_console_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000000)='/dev/tty0\x00', 0x0, 0x0)
openat$auto_stat_fops_per_vm_kvm_main(0xffffffffffffff9c, &(0x7f0000000280)='/sys/kernel/debug/fail_io_timeout/probability\x00', 0x20000, 0x0)
read$auto(0x3, 0x0, 0x80)
r0 = openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0)
write$auto(r0, 0x0, 0x9) (fail_nth: 7)

program crashed: KASAN: slab-use-after-free Read in __free_filter
testing program (duration=45.780631011s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x400008, 0xdf, 0x9b72, 0x0, 0x100000000008000)
close_range$auto(0x2, 0x8, 0x0)
openat$auto_console_fops_tty_io(0xffffffffffffff9c, &(0x7f0000000000)='/dev/tty0\x00', 0x0, 0x0)
openat$auto_stat_fops_per_vm_kvm_main(0xffffffffffffff9c, &(0x7f0000000280)='/sys/kernel/debug/fail_io_timeout/probability\x00', 0x20000, 0x0)
read$auto(0x3, 0x0, 0x80)
r0 = openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0)
write$auto(r0, 0x0, 0x9)

program did not crash
testing program (duration=45.780631011s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x400008, 0xdf, 0x9b72, 0x0, 0x100000000008000)
close_range$auto(0x2, 0x8, 0x0)
openat$auto_console_fops_tty_io(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$auto_stat_fops_per_vm_kvm_main(0xffffffffffffff9c, &(0x7f0000000280)='/sys/kernel/debug/fail_io_timeout/probability\x00', 0x20000, 0x0)
read$auto(0x3, 0x0, 0x80)
r0 = openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0)
write$auto(r0, 0x0, 0x9) (fail_nth: 7)

program crashed: KASAN: slab-use-after-free Read in __free_filter
testing program (duration=45.780631011s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x400008, 0xdf, 0x9b72, 0x0, 0x100000000008000)
close_range$auto(0x2, 0x8, 0x0)
openat$auto_console_fops_tty_io(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$auto_stat_fops_per_vm_kvm_main(0xffffffffffffff9c, 0x0, 0x20000, 0x0)
read$auto(0x3, 0x0, 0x80)
r0 = openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0)
write$auto(r0, 0x0, 0x9) (fail_nth: 7)

program did not crash
testing program (duration=45.780631011s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x400008, 0xdf, 0x9b72, 0x0, 0x100000000008000)
close_range$auto(0x2, 0x8, 0x0)
openat$auto_console_fops_tty_io(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$auto_stat_fops_per_vm_kvm_main(0xffffffffffffff9c, &(0x7f0000000280)='/sys/kernel/debug/fail_io_timeout/probability\x00', 0x20000, 0x0)
read$auto(0x3, 0x0, 0x80)
r0 = openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, 0x0, 0x103041, 0x0)
write$auto(r0, 0x0, 0x9) (fail_nth: 7)

program did not crash
testing program (duration=45.780631011s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x400008, 0xdf, 0x9b72, 0x0, 0x100000000008000)
close_range$auto(0x2, 0x8, 0x0)
openat$auto_console_fops_tty_io(0xffffffffffffff9c, 0x0, 0x0, 0x0)
openat$auto_stat_fops_per_vm_kvm_main(0xffffffffffffff9c, &(0x7f0000000280)='/sys/kernel/debug/fail_io_timeout/probability\x00', 0x20000, 0x0)
read$auto(0x3, 0x0, 0x80)
r0 = openat$auto_ftrace_subsystem_filter_fops_trace_events(0xffffffffffffff9c, &(0x7f00000006c0)='/sys/kernel/debug/tracing/events/vmalloc/filter\x00', 0x103041, 0x0)
write$auto(r0, 0x0, 0x9)

program did not crash
extracting C reproducer
testing compiled C program (duration=45.780631011s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
program crashed: KASAN: slab-use-after-free Read in __free_filter
simplifying C reproducer
testing compiled C program (duration=45.780631011s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
program did not crash
testing compiled C program (duration=45.780631011s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
program did not crash
testing compiled C program (duration=45.780631011s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
program did not crash
testing compiled C program (duration=45.780631011s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): mmap$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
program did not crash
testing compiled C program (duration=45.780631011s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
program crashed: KASAN: slab-use-after-free Read in __free_filter
testing compiled C program (duration=45.780631011s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
program crashed: KASAN: slab-use-after-free Read in __free_filter
testing compiled C program (duration=45.780631011s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
program crashed: KASAN: slab-use-after-free Read in __free_filter
testing compiled C program (duration=45.780631011s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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}}): mmap$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
program crashed: KASAN: slab-use-after-free Read in __free_filter
testing compiled C program (duration=45.780631011s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
program crashed: KASAN: slab-use-after-free Read in __free_filter
testing compiled C program (duration=45.780631011s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false 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}}): mmap$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
program crashed: KASAN: slab-use-after-free Read in __free_filter
testing compiled C program (duration=45.780631011s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
program crashed: KASAN: slab-use-after-free Read in __free_filter
testing compiled C program (duration=45.780631011s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
program crashed: KASAN: slab-use-after-free Read in __free_filter
testing compiled C program (duration=45.780631011s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
program crashed: KASAN: slab-use-after-free Read in __free_filter
testing compiled C program (duration=45.780631011s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
program did not crash
testing compiled C program (duration=45.780631011s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
program crashed: KASAN: slab-use-after-free Read in __free_filter
testing compiled C program (duration=45.780631011s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
program crashed: KASAN: slab-use-after-free Read in __free_filter
testing compiled C program (duration=45.780631011s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_stat_fops_per_vm_kvm_main-read$auto-openat$auto_ftrace_subsystem_filter_fops_trace_events-write$auto
program did not crash
reproducing took 58m51.338596378s
repro crashed as (corrupted=false):
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9f36a28318
R13: 00007f9f36987210 R14: 00002000000006c0 R15: 0000000000000001
 </TASK>
==================================================================
BUG: KASAN: slab-use-after-free in free_prog kernel/trace/trace_events_filter.c:1288 [inline]
BUG: KASAN: slab-use-after-free in __free_filter.part.0+0x153/0x160 kernel/trace/trace_events_filter.c:1312
Read of size 8 at addr ffff8880320b5240 by task syz-executor167/5869

CPU: 1 UID: 0 PID: 5869 Comm: syz-executor167 Not tainted 6.16.0-rc3-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:408 [inline]
 print_report+0xcd/0x680 mm/kasan/report.c:521
 kasan_report+0xe0/0x110 mm/kasan/report.c:634
 free_prog kernel/trace/trace_events_filter.c:1288 [inline]
 __free_filter.part.0+0x153/0x160 kernel/trace/trace_events_filter.c:1312
 __free_filter kernel/trace/trace_events_filter.c:1309 [inline]
 filter_free_subsystem_filters kernel/trace/trace_events_filter.c:1470 [inline]
 apply_subsystem_event_filter+0x1487/0x17a0 kernel/trace/trace_events_filter.c:2512
 subsystem_filter_write+0x95/0x120 kernel/trace/trace_events.c:2304
 vfs_write+0x2a0/0x1150 fs/read_write.c:684
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x490 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9f369d7d89
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1d 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9f36987208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f9f36a5c3c8 RCX: 00007f9f369d7d89
RDX: 0000000000000009 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f9f36a5c3c0 R08: 00007f9f36986fa7 R09: 0000000000000037
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9f36a28318
R13: 00007f9f36987210 R14: 00002000000006c0 R15: 0000000000000001
 </TASK>

Allocated by task 5862:
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 kasan_save_track+0x14/0x30 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
 __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:394
 kmalloc_noprof include/linux/slab.h:905 [inline]
 kzalloc_noprof include/linux/slab.h:1039 [inline]
 create_filter_start.constprop.0+0xa5/0x300 kernel/trace/trace_events_filter.c:2334
 create_system_filter kernel/trace/trace_events_filter.c:2426 [inline]
 apply_subsystem_event_filter+0x18d/0x17a0 kernel/trace/trace_events_filter.c:2516
 subsystem_filter_write+0x95/0x120 kernel/trace/trace_events.c:2304
 vfs_write+0x2a0/0x1150 fs/read_write.c:684
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x490 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 5869:
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 kasan_save_track+0x14/0x30 mm/kasan/common.c:68
 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:576
 poison_slab_object mm/kasan/common.c:247 [inline]
 __kasan_slab_free+0x51/0x70 mm/kasan/common.c:264
 kasan_slab_free include/linux/kasan.h:233 [inline]
 slab_free_hook mm/slub.c:2381 [inline]
 slab_free mm/slub.c:4643 [inline]
 kfree+0x2b4/0x4d0 mm/slub.c:4842
 __free_filter kernel/trace/trace_events_filter.c:1309 [inline]
 free_filter_list+0xa5/0x240 kernel/trace/trace_events_filter.c:1357
 filter_free_subsystem_filters kernel/trace/trace_events_filter.c:1463 [inline]
 apply_subsystem_event_filter+0x12be/0x17a0 kernel/trace/trace_events_filter.c:2512
 subsystem_filter_write+0x95/0x120 kernel/trace/trace_events.c:2304
 vfs_write+0x2a0/0x1150 fs/read_write.c:684
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x490 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff8880320b5240
 which belongs to the cache kmalloc-16 of size 16
The buggy address is located 0 bytes inside of
 freed 16-byte region [ffff8880320b5240, ffff8880320b5250)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x320b5
anon flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000000 ffff88801b841640 0000000000000000 dead000000000001
raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 1, tgid 1 (swapper/0), ts 30615223257, free_ts 30602091313
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1704
 prep_new_page mm/page_alloc.c:1712 [inline]
 get_page_from_freelist+0x1321/0x3890 mm/page_alloc.c:3669
 __alloc_frozen_pages_noprof+0x261/0x23f0 mm/page_alloc.c:4959
 alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2419
 alloc_slab_page mm/slub.c:2451 [inline]
 allocate_slab mm/slub.c:2619 [inline]
 new_slab+0x23b/0x330 mm/slub.c:2673
 ___slab_alloc+0xd9c/0x1940 mm/slub.c:3859
 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3949
 __slab_alloc_node mm/slub.c:4024 [inline]
 slab_alloc_node mm/slub.c:4185 [inline]
 __do_kmalloc_node mm/slub.c:4327 [inline]
 __kmalloc_noprof+0x2f2/0x510 mm/slub.c:4340
 kmalloc_noprof include/linux/slab.h:909 [inline]
 kzalloc_noprof include/linux/slab.h:1039 [inline]
 kobject_get_path+0xd2/0x2a0 lib/kobject.c:161
 kobject_uevent_env+0x289/0x1870 lib/kobject_uevent.c:545
 kernel_add_sysfs_param kernel/params.c:815 [inline]
 param_sysfs_builtin kernel/params.c:850 [inline]
 param_sysfs_builtin_init+0x367/0x4c0 kernel/params.c:986
 do_one_initcall+0x120/0x6e0 init/main.c:1274
 do_initcall_level init/main.c:1336 [inline]
 do_initcalls init/main.c:1352 [inline]
 do_basic_setup init/main.c:1371 [inline]
 kernel_init_freeable+0x5c2/0x900 init/main.c:1584
 kernel_init+0x1c/0x2b0 init/main.c:1474
 ret_from_fork+0x5d4/0x6f0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
page last free pid 10 tgid 10 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1248 [inline]
 __free_frozen_pages+0x7fe/0x1180 mm/page_alloc.c:2706
 vfree+0x1fd/0xb50 mm/vmalloc.c:3426
 delayed_vfree_work+0x56/0x70 mm/vmalloc.c:3345
 process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3321 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3402
 kthread+0x3c5/0x780 kernel/kthread.c:464
 ret_from_fork+0x5d4/0x6f0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

Memory state around the buggy address:
 ffff8880320b5100: fa fb fc fc 00 00 fc fc 00 06 fc fc fa fb fc fc
 ffff8880320b5180: fa fb fc fc 00 02 fc fc 00 02 fc fc 00 00 fc fc
>ffff8880320b5200: 00 00 fc fc 00 00 fc fc fa fb fc fc fa fb fc fc
                                           ^
 ffff8880320b5280: fa fb fc fc fa fb fc fc fa fb fc fc 00 06 fc fc
 ffff8880320b5300: 00 02 fc fc 00 02 fc fc fa fb fc fc 00 00 fc fc
==================================================================

final repro crashed as (corrupted=false):
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9f36a28318
R13: 00007f9f36987210 R14: 00002000000006c0 R15: 0000000000000001
 </TASK>
==================================================================
BUG: KASAN: slab-use-after-free in free_prog kernel/trace/trace_events_filter.c:1288 [inline]
BUG: KASAN: slab-use-after-free in __free_filter.part.0+0x153/0x160 kernel/trace/trace_events_filter.c:1312
Read of size 8 at addr ffff8880320b5240 by task syz-executor167/5869

CPU: 1 UID: 0 PID: 5869 Comm: syz-executor167 Not tainted 6.16.0-rc3-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:408 [inline]
 print_report+0xcd/0x680 mm/kasan/report.c:521
 kasan_report+0xe0/0x110 mm/kasan/report.c:634
 free_prog kernel/trace/trace_events_filter.c:1288 [inline]
 __free_filter.part.0+0x153/0x160 kernel/trace/trace_events_filter.c:1312
 __free_filter kernel/trace/trace_events_filter.c:1309 [inline]
 filter_free_subsystem_filters kernel/trace/trace_events_filter.c:1470 [inline]
 apply_subsystem_event_filter+0x1487/0x17a0 kernel/trace/trace_events_filter.c:2512
 subsystem_filter_write+0x95/0x120 kernel/trace/trace_events.c:2304
 vfs_write+0x2a0/0x1150 fs/read_write.c:684
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x490 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9f369d7d89
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 a1 1d 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9f36987208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f9f36a5c3c8 RCX: 00007f9f369d7d89
RDX: 0000000000000009 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f9f36a5c3c0 R08: 00007f9f36986fa7 R09: 0000000000000037
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f9f36a28318
R13: 00007f9f36987210 R14: 00002000000006c0 R15: 0000000000000001
 </TASK>

Allocated by task 5862:
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 kasan_save_track+0x14/0x30 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
 __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:394
 kmalloc_noprof include/linux/slab.h:905 [inline]
 kzalloc_noprof include/linux/slab.h:1039 [inline]
 create_filter_start.constprop.0+0xa5/0x300 kernel/trace/trace_events_filter.c:2334
 create_system_filter kernel/trace/trace_events_filter.c:2426 [inline]
 apply_subsystem_event_filter+0x18d/0x17a0 kernel/trace/trace_events_filter.c:2516
 subsystem_filter_write+0x95/0x120 kernel/trace/trace_events.c:2304
 vfs_write+0x2a0/0x1150 fs/read_write.c:684
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x490 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 5869:
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 kasan_save_track+0x14/0x30 mm/kasan/common.c:68
 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:576
 poison_slab_object mm/kasan/common.c:247 [inline]
 __kasan_slab_free+0x51/0x70 mm/kasan/common.c:264
 kasan_slab_free include/linux/kasan.h:233 [inline]
 slab_free_hook mm/slub.c:2381 [inline]
 slab_free mm/slub.c:4643 [inline]
 kfree+0x2b4/0x4d0 mm/slub.c:4842
 __free_filter kernel/trace/trace_events_filter.c:1309 [inline]
 free_filter_list+0xa5/0x240 kernel/trace/trace_events_filter.c:1357
 filter_free_subsystem_filters kernel/trace/trace_events_filter.c:1463 [inline]
 apply_subsystem_event_filter+0x12be/0x17a0 kernel/trace/trace_events_filter.c:2512
 subsystem_filter_write+0x95/0x120 kernel/trace/trace_events.c:2304
 vfs_write+0x2a0/0x1150 fs/read_write.c:684
 ksys_write+0x12a/0x250 fs/read_write.c:738
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0x490 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff8880320b5240
 which belongs to the cache kmalloc-16 of size 16
The buggy address is located 0 bytes inside of
 freed 16-byte region [ffff8880320b5240, ffff8880320b5250)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x320b5
anon flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000000 ffff88801b841640 0000000000000000 dead000000000001
raw: 0000000000000000 0000000080800080 00000000f5000000 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 1, tgid 1 (swapper/0), ts 30615223257, free_ts 30602091313
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x1c0/0x230 mm/page_alloc.c:1704
 prep_new_page mm/page_alloc.c:1712 [inline]
 get_page_from_freelist+0x1321/0x3890 mm/page_alloc.c:3669
 __alloc_frozen_pages_noprof+0x261/0x23f0 mm/page_alloc.c:4959
 alloc_pages_mpol+0x1fb/0x550 mm/mempolicy.c:2419
 alloc_slab_page mm/slub.c:2451 [inline]
 allocate_slab mm/slub.c:2619 [inline]
 new_slab+0x23b/0x330 mm/slub.c:2673
 ___slab_alloc+0xd9c/0x1940 mm/slub.c:3859
 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3949
 __slab_alloc_node mm/slub.c:4024 [inline]
 slab_alloc_node mm/slub.c:4185 [inline]
 __do_kmalloc_node mm/slub.c:4327 [inline]
 __kmalloc_noprof+0x2f2/0x510 mm/slub.c:4340
 kmalloc_noprof include/linux/slab.h:909 [inline]
 kzalloc_noprof include/linux/slab.h:1039 [inline]
 kobject_get_path+0xd2/0x2a0 lib/kobject.c:161
 kobject_uevent_env+0x289/0x1870 lib/kobject_uevent.c:545
 kernel_add_sysfs_param kernel/params.c:815 [inline]
 param_sysfs_builtin kernel/params.c:850 [inline]
 param_sysfs_builtin_init+0x367/0x4c0 kernel/params.c:986
 do_one_initcall+0x120/0x6e0 init/main.c:1274
 do_initcall_level init/main.c:1336 [inline]
 do_initcalls init/main.c:1352 [inline]
 do_basic_setup init/main.c:1371 [inline]
 kernel_init_freeable+0x5c2/0x900 init/main.c:1584
 kernel_init+0x1c/0x2b0 init/main.c:1474
 ret_from_fork+0x5d4/0x6f0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
page last free pid 10 tgid 10 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1248 [inline]
 __free_frozen_pages+0x7fe/0x1180 mm/page_alloc.c:2706
 vfree+0x1fd/0xb50 mm/vmalloc.c:3426
 delayed_vfree_work+0x56/0x70 mm/vmalloc.c:3345
 process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3321 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3402
 kthread+0x3c5/0x780 kernel/kthread.c:464
 ret_from_fork+0x5d4/0x6f0 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

Memory state around the buggy address:
 ffff8880320b5100: fa fb fc fc 00 00 fc fc 00 06 fc fc fa fb fc fc
 ffff8880320b5180: fa fb fc fc 00 02 fc fc 00 02 fc fc 00 00 fc fc
>ffff8880320b5200: 00 00 fc fc 00 00 fc fc fa fb fc fc fa fb fc fc
                                           ^
 ffff8880320b5280: fa fb fc fc fa fb fc fc fa fb fc fc 00 06 fc fc
 ffff8880320b5300: 00 02 fc fc 00 02 fc fc fa fb fc fc 00 00 fc fc
==================================================================