Extracting prog: 1m4.905741166s Minimizing prog: 18m36.937589345s Simplifying prog options: 0s Extracting C: 1m10.267820209s Simplifying C: 4m47.370739235s extracting reproducer from 62 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_create_resource$binfmt-openat$binfmt-openat-write-openat-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracing\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./tracing\x00', &(0x7f0000000300)='tracefs\x00', 0x0, 0x0) r0 = syz_create_resource$binfmt(&(0x7f0000000400)='./file0\x00') openat$binfmt(0xffffffffffffff9c, r0, 0x241, 0x1ff) r1 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./tracing/uprobe_events\x00', 0x1, 0x0) write(r1, &(0x7f0000000700)='p:myevent ./file0:0x1', 0x15) openat(0xffffffffffffff9c, &(0x7f0000000800)='./tracing/events/uprobes/myevent/enable\x00', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./tracing/uprobe_events\x00', 0xe242, 0x48) program crashed: general protection fault in tracing_release_file_tr single: successfully extracted reproducer found reproducer with 8 syscalls minimizing guilty program testing program (duration=31.928625175s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_create_resource$binfmt-openat$binfmt-openat-write-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracing\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./tracing\x00', &(0x7f0000000300)='tracefs\x00', 0x0, 0x0) r0 = syz_create_resource$binfmt(&(0x7f0000000400)='./file0\x00') openat$binfmt(0xffffffffffffff9c, r0, 0x241, 0x1ff) r1 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./tracing/uprobe_events\x00', 0x1, 0x0) write(r1, &(0x7f0000000700)='p:myevent ./file0:0x1', 0x15) openat(0xffffffffffffff9c, &(0x7f0000000800)='./tracing/events/uprobes/myevent/enable\x00', 0x1, 0x0) program did not crash testing program (duration=31.928625175s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_create_resource$binfmt-openat$binfmt-openat-write-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracing\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./tracing\x00', &(0x7f0000000300)='tracefs\x00', 0x0, 0x0) r0 = syz_create_resource$binfmt(&(0x7f0000000400)='./file0\x00') openat$binfmt(0xffffffffffffff9c, r0, 0x241, 0x1ff) r1 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./tracing/uprobe_events\x00', 0x1, 0x0) write(r1, &(0x7f0000000700)='p:myevent ./file0:0x1', 0x15) openat(0xffffffffffffff9c, &(0x7f0000000040)='./tracing/uprobe_events\x00', 0xe242, 0x48) program did not crash testing program (duration=31.928625175s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_create_resource$binfmt-openat$binfmt-openat-openat-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracing\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./tracing\x00', &(0x7f0000000300)='tracefs\x00', 0x0, 0x0) r0 = syz_create_resource$binfmt(&(0x7f0000000400)='./file0\x00') openat$binfmt(0xffffffffffffff9c, r0, 0x241, 0x1ff) openat(0xffffffffffffff9c, &(0x7f0000000600)='./tracing/uprobe_events\x00', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000800)='./tracing/events/uprobes/myevent/enable\x00', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./tracing/uprobe_events\x00', 0xe242, 0x48) program did not crash testing program (duration=31.928625175s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_create_resource$binfmt-openat$binfmt-write-openat-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracing\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./tracing\x00', &(0x7f0000000300)='tracefs\x00', 0x0, 0x0) r0 = syz_create_resource$binfmt(&(0x7f0000000400)='./file0\x00') openat$binfmt(0xffffffffffffff9c, r0, 0x241, 0x1ff) write(0xffffffffffffffff, &(0x7f0000000700)='p:myevent ./file0:0x1', 0x15) openat(0xffffffffffffff9c, &(0x7f0000000800)='./tracing/events/uprobes/myevent/enable\x00', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./tracing/uprobe_events\x00', 0xe242, 0x48) program did not crash testing program (duration=31.928625175s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_create_resource$binfmt-openat-write-openat-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracing\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./tracing\x00', &(0x7f0000000300)='tracefs\x00', 0x0, 0x0) syz_create_resource$binfmt(&(0x7f0000000400)='./file0\x00') r0 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./tracing/uprobe_events\x00', 0x1, 0x0) write(r0, &(0x7f0000000700)='p:myevent ./file0:0x1', 0x15) openat(0xffffffffffffff9c, &(0x7f0000000800)='./tracing/events/uprobes/myevent/enable\x00', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./tracing/uprobe_events\x00', 0xe242, 0x48) program crashed: KASAN: slab-out-of-bounds Write in __trace_probe_log_err testing program (duration=31.928625175s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracing\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./tracing\x00', &(0x7f0000000300)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./tracing/uprobe_events\x00', 0x1, 0x0) write(r0, &(0x7f0000000700)='p:myevent ./file0:0x1', 0x15) openat(0xffffffffffffff9c, &(0x7f0000000800)='./tracing/events/uprobes/myevent/enable\x00', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./tracing/uprobe_events\x00', 0xe242, 0x48) program crashed: KASAN: slab-out-of-bounds Write in __trace_probe_log_err testing program (duration=31.928625175s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat-write-openat-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracing\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./tracing/uprobe_events\x00', 0x1, 0x0) write(r0, &(0x7f0000000700)='p:myevent ./file0:0x1', 0x15) openat(0xffffffffffffff9c, &(0x7f0000000800)='./tracing/events/uprobes/myevent/enable\x00', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./tracing/uprobe_events\x00', 0xe242, 0x48) program did not crash testing program (duration=31.928625175s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount-openat-write-openat-openat detailed listing: executing program 0: mount(0x0, &(0x7f0000000200)='./tracing\x00', &(0x7f0000000300)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./tracing/uprobe_events\x00', 0x1, 0x0) write(r0, &(0x7f0000000700)='p:myevent ./file0:0x1', 0x15) openat(0xffffffffffffff9c, &(0x7f0000000800)='./tracing/events/uprobes/myevent/enable\x00', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./tracing/uprobe_events\x00', 0xe242, 0x48) program did not crash testing program (duration=31.928625175s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mount(0x0, &(0x7f0000000200)='./tracing\x00', &(0x7f0000000300)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./tracing/uprobe_events\x00', 0x1, 0x0) write(r0, &(0x7f0000000700)='p:myevent ./file0:0x1', 0x15) openat(0xffffffffffffff9c, &(0x7f0000000800)='./tracing/events/uprobes/myevent/enable\x00', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./tracing/uprobe_events\x00', 0xe242, 0x48) program did not crash testing program (duration=31.928625175s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracing\x00', 0x1ff) mount(0x0, 0x0, &(0x7f0000000300)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./tracing/uprobe_events\x00', 0x1, 0x0) write(r0, &(0x7f0000000700)='p:myevent ./file0:0x1', 0x15) openat(0xffffffffffffff9c, &(0x7f0000000800)='./tracing/events/uprobes/myevent/enable\x00', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./tracing/uprobe_events\x00', 0xe242, 0x48) program did not crash testing program (duration=31.928625175s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracing\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./tracing\x00', 0x0, 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./tracing/uprobe_events\x00', 0x1, 0x0) write(r0, &(0x7f0000000700)='p:myevent ./file0:0x1', 0x15) openat(0xffffffffffffff9c, &(0x7f0000000800)='./tracing/events/uprobes/myevent/enable\x00', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./tracing/uprobe_events\x00', 0xe242, 0x48) program did not crash testing program (duration=31.928625175s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracing\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./tracing\x00', &(0x7f0000000300)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write(r0, &(0x7f0000000700)='p:myevent ./file0:0x1', 0x15) openat(0xffffffffffffff9c, &(0x7f0000000800)='./tracing/events/uprobes/myevent/enable\x00', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./tracing/uprobe_events\x00', 0xe242, 0x48) program did not crash testing program (duration=31.928625175s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracing\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./tracing\x00', &(0x7f0000000300)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./tracing/uprobe_events\x00', 0x1, 0x0) write(r0, 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000800)='./tracing/events/uprobes/myevent/enable\x00', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./tracing/uprobe_events\x00', 0xe242, 0x48) program did not crash testing program (duration=31.928625175s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracing\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./tracing\x00', &(0x7f0000000300)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./tracing/uprobe_events\x00', 0x1, 0x0) write(r0, &(0x7f0000000700), 0x0) openat(0xffffffffffffff9c, &(0x7f0000000800)='./tracing/events/uprobes/myevent/enable\x00', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./tracing/uprobe_events\x00', 0xe242, 0x48) program did not crash testing program (duration=31.928625175s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracing\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./tracing\x00', &(0x7f0000000300)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./tracing/uprobe_events\x00', 0x1, 0x0) write(r0, &(0x7f0000000700)='p:myevent ./file0:0x1', 0x15) openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./tracing/uprobe_events\x00', 0xe242, 0x48) program crashed: KASAN: slab-out-of-bounds Write in __trace_probe_log_err testing program (duration=31.928625175s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracing\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./tracing\x00', &(0x7f0000000300)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./tracing/uprobe_events\x00', 0x1, 0x0) write(r0, &(0x7f0000000700)='p:myevent ./file0:0x1', 0x15) openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) openat(0xffffffffffffff9c, 0x0, 0xe242, 0x48) program crashed: KASAN: slab-out-of-bounds Write in __trace_probe_log_err extracting C reproducer testing compiled C program (duration=31.928625175s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-openat program crashed: KASAN: slab-out-of-bounds Write in __trace_probe_log_err simplifying C reproducer testing compiled C program (duration=31.928625175s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-openat program crashed: KASAN: slab-out-of-bounds Write in __trace_probe_log_err testing compiled C program (duration=31.928625175s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-openat program did not crash testing compiled C program (duration=31.928625175s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-openat program did not crash testing compiled C program (duration=31.928625175s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-openat program crashed: KASAN: slab-out-of-bounds Write in __trace_probe_log_err testing compiled C program (duration=31.928625175s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-openat program crashed: KASAN: slab-out-of-bounds Write in __trace_probe_log_err testing compiled C program (duration=31.928625175s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-openat program crashed: KASAN: slab-out-of-bounds Write in __trace_probe_log_err testing compiled C program (duration=31.928625175s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-openat program crashed: general protection fault in __trace_probe_log_err a never seen crash title: general protection fault in __trace_probe_log_err, ignore testing program (duration=31.928625175s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracing\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./tracing\x00', &(0x7f0000000300)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./tracing/uprobe_events\x00', 0x1, 0x0) write(r0, &(0x7f0000000700)='p:myevent ./file0:0x1', 0x15) openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) openat(0xffffffffffffff9c, 0x0, 0xe242, 0x48) program crashed: KASAN: slab-out-of-bounds Write in __trace_probe_log_err validation run: crashed=true testing program (duration=31.928625175s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracing\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./tracing\x00', &(0x7f0000000300)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./tracing/uprobe_events\x00', 0x1, 0x0) write(r0, &(0x7f0000000700)='p:myevent ./file0:0x1', 0x15) openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) openat(0xffffffffffffff9c, 0x0, 0xe242, 0x48) program crashed: KASAN: slab-out-of-bounds Write in __trace_probe_log_err validation run: crashed=true testing program (duration=31.928625175s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracing\x00', 0x1ff) mount(0x0, &(0x7f0000000200)='./tracing\x00', &(0x7f0000000300)='tracefs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./tracing/uprobe_events\x00', 0x1, 0x0) write(r0, &(0x7f0000000700)='p:myevent ./file0:0x1', 0x15) openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) openat(0xffffffffffffff9c, 0x0, 0xe242, 0x48) program crashed: KASAN: slab-out-of-bounds Write in __trace_probe_log_err validation run: crashed=true reproducing took 27m58.020724074s repro crashed as (corrupted=false): ================================================================== BUG: KASAN: slab-out-of-bounds in __trace_probe_log_err+0x290/0x2a0 kernel/trace/trace_probe.c:199 Write of size 1 at addr ffff88811492cfff by task syz.2.41/438 CPU: 1 PID: 438 Comm: syz.2.41 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:435 [inline] kasan_report+0x100/0x140 mm/kasan/report.c:452 __asan_report_store1_noabort+0x17/0x20 mm/kasan/report_generic.c:311 __trace_probe_log_err+0x290/0x2a0 kernel/trace/trace_probe.c:199 trace_uprobe_create+0x355/0xb90 kernel/trace/trace_uprobe.c:588 create_or_delete_trace_uprobe+0x89/0xc0 kernel/trace/trace_uprobe.c:731 trace_run_command kernel/trace/trace.c:9575 [inline] trace_parse_run_command+0x296/0x450 kernel/trace/trace.c:9634 probes_write+0x34/0x40 kernel/trace/trace_uprobe.c:800 vfs_write+0x344/0xd70 fs/read_write.c:603 ksys_write+0x14a/0x260 fs/read_write.c:658 __do_sys_write fs/read_write.c:670 [inline] __se_sys_write fs/read_write.c:667 [inline] __x64_sys_write+0x7b/0x90 fs/read_write.c:667 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fdb927a4019 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff9c2c2bd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fdb92a2bfa0 RCX: 00007fdb927a4019 RDX: 0000000000000015 RSI: 0000200000000700 RDI: 0000000000000003 RBP: 00007fdb9283b00c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fdb92a2bfac R14: 00007fdb92a2bfa0 R15: 00007fdb92a2bfa0 Allocated by task 94: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:430 [inline] ____kasan_kmalloc mm/kasan/common.c:509 [inline] __kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:518 kasan_kmalloc include/linux/kasan.h:254 [inline] kmem_cache_alloc_trace+0x179/0x2e0 mm/slub.c:2979 kmalloc include/linux/slab.h:555 [inline] kzalloc include/linux/slab.h:667 [inline] kernfs_fop_open+0x375/0xbb0 fs/kernfs/file.c:628 do_dentry_open+0x7a5/0x10a0 fs/open.c:819 vfs_open+0x73/0x80 fs/open.c:944 do_open fs/namei.c:3399 [inline] path_openat+0x26c3/0x3040 fs/namei.c:3517 do_filp_open+0x1df/0x400 fs/namei.c:3544 do_sys_openat2+0x19f/0x750 fs/open.c:1219 do_sys_open fs/open.c:1235 [inline] __do_sys_openat fs/open.c:1251 [inline] __se_sys_openat fs/open.c:1246 [inline] __x64_sys_openat+0x136/0x160 fs/open.c:1246 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb The buggy address belongs to the object at ffff88811492cf00 which belongs to the cache kmalloc-192 of size 192 The buggy address is located 63 bytes to the right of 192-byte region [ffff88811492cf00, ffff88811492cfc0) The buggy address belongs to the page: page:ffffea0004524b00 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88811492cc00 pfn:0x11492c flags: 0x4000000000000200(slab) raw: 4000000000000200 0000000000000000 0000000100000001 ffff888100043380 raw: ffff88811492cc00 0000000080100000 00000001ffffffff 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 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 104, ts 5842241864, free_ts 5842181463 set_page_owner include/linux/page_owner.h:35 [inline] post_alloc_hook mm/page_alloc.c:2456 [inline] prep_new_page+0x176/0x190 mm/page_alloc.c:2462 get_page_from_freelist+0x225f/0x23f0 mm/page_alloc.c:4254 __alloc_pages_nodemask+0x29a/0x640 mm/page_alloc.c:5384 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1813 [inline] new_slab+0x84/0x3f0 mm/slub.c:1874 new_slab_objects mm/slub.c:2632 [inline] ___slab_alloc+0x2f8/0x4c0 mm/slub.c:2796 __slab_alloc+0x63/0xa0 mm/slub.c:2836 slab_alloc_node mm/slub.c:2918 [inline] slab_alloc mm/slub.c:2960 [inline] kmem_cache_alloc_trace+0x1a8/0x2e0 mm/slub.c:2977 kmalloc include/linux/slab.h:555 [inline] kzalloc include/linux/slab.h:667 [inline] kernfs_fop_open+0x375/0xbb0 fs/kernfs/file.c:628 do_dentry_open+0x7a5/0x10a0 fs/open.c:819 vfs_open+0x73/0x80 fs/open.c:944 do_open fs/namei.c:3399 [inline] path_openat+0x26c3/0x3040 fs/namei.c:3517 do_filp_open+0x1df/0x400 fs/namei.c:3544 do_sys_openat2+0x19f/0x750 fs/open.c:1219 do_sys_open fs/open.c:1235 [inline] __do_sys_openat fs/open.c:1251 [inline] __se_sys_openat fs/open.c:1246 [inline] __x64_sys_openat+0x136/0x160 fs/open.c:1246 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb page last free stack trace: reset_page_owner include/linux/page_owner.h:28 [inline] free_pages_prepare mm/page_alloc.c:1349 [inline] free_pcp_prepare mm/page_alloc.c:1421 [inline] free_unref_page_prepare+0x2b7/0x2d0 mm/page_alloc.c:3336 free_unref_page mm/page_alloc.c:3391 [inline] free_the_page mm/page_alloc.c:5443 [inline] __free_pages+0x146/0x390 mm/page_alloc.c:5454 free_pages+0x82/0x90 mm/page_alloc.c:5465 selinux_genfs_get_sid+0x20b/0x250 security/selinux/hooks.c:1332 inode_doinit_with_dentry+0x879/0xd70 security/selinux/hooks.c:1529 selinux_d_instantiate+0x27/0x40 security/selinux/hooks.c:6395 security_d_instantiate+0x9e/0xf0 security/security.c:1980 d_splice_alias+0x6d/0x390 fs/dcache.c:3038 kernfs_iop_lookup+0x2c5/0x310 fs/kernfs/dir.c:1178 __lookup_slow+0x2b8/0x410 fs/namei.c:1648 lookup_slow+0x57/0x70 fs/namei.c:1665 walk_component+0x326/0x460 fs/namei.c:1960 lookup_last fs/namei.c:2411 [inline] path_lookupat+0x155/0x430 fs/namei.c:2435 filename_lookup+0x1fd/0x660 fs/namei.c:2468 user_path_at_empty+0x43/0x50 fs/namei.c:2748 user_path_at include/linux/namei.h:60 [inline] vfs_statx+0x10a/0x530 fs/stat.c:193 Memory state around the buggy address: ffff88811492ce80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ffff88811492cf00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff88811492cf80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ^ ffff88811492d000: 00 00 06 fc fc fc fc fc 00 00 01 fc fc fc fc fc ffff88811492d080: fb fb fb fb fc fc fc fc 00 00 00 00 fc fc fc fc ================================================================== final repro crashed as (corrupted=false): ================================================================== BUG: KASAN: slab-out-of-bounds in __trace_probe_log_err+0x290/0x2a0 kernel/trace/trace_probe.c:199 Write of size 1 at addr ffff88811492cfff by task syz.2.41/438 CPU: 1 PID: 438 Comm: syz.2.41 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:435 [inline] kasan_report+0x100/0x140 mm/kasan/report.c:452 __asan_report_store1_noabort+0x17/0x20 mm/kasan/report_generic.c:311 __trace_probe_log_err+0x290/0x2a0 kernel/trace/trace_probe.c:199 trace_uprobe_create+0x355/0xb90 kernel/trace/trace_uprobe.c:588 create_or_delete_trace_uprobe+0x89/0xc0 kernel/trace/trace_uprobe.c:731 trace_run_command kernel/trace/trace.c:9575 [inline] trace_parse_run_command+0x296/0x450 kernel/trace/trace.c:9634 probes_write+0x34/0x40 kernel/trace/trace_uprobe.c:800 vfs_write+0x344/0xd70 fs/read_write.c:603 ksys_write+0x14a/0x260 fs/read_write.c:658 __do_sys_write fs/read_write.c:670 [inline] __se_sys_write fs/read_write.c:667 [inline] __x64_sys_write+0x7b/0x90 fs/read_write.c:667 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fdb927a4019 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff9c2c2bd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fdb92a2bfa0 RCX: 00007fdb927a4019 RDX: 0000000000000015 RSI: 0000200000000700 RDI: 0000000000000003 RBP: 00007fdb9283b00c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fdb92a2bfac R14: 00007fdb92a2bfa0 R15: 00007fdb92a2bfa0 Allocated by task 94: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:430 [inline] ____kasan_kmalloc mm/kasan/common.c:509 [inline] __kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:518 kasan_kmalloc include/linux/kasan.h:254 [inline] kmem_cache_alloc_trace+0x179/0x2e0 mm/slub.c:2979 kmalloc include/linux/slab.h:555 [inline] kzalloc include/linux/slab.h:667 [inline] kernfs_fop_open+0x375/0xbb0 fs/kernfs/file.c:628 do_dentry_open+0x7a5/0x10a0 fs/open.c:819 vfs_open+0x73/0x80 fs/open.c:944 do_open fs/namei.c:3399 [inline] path_openat+0x26c3/0x3040 fs/namei.c:3517 do_filp_open+0x1df/0x400 fs/namei.c:3544 do_sys_openat2+0x19f/0x750 fs/open.c:1219 do_sys_open fs/open.c:1235 [inline] __do_sys_openat fs/open.c:1251 [inline] __se_sys_openat fs/open.c:1246 [inline] __x64_sys_openat+0x136/0x160 fs/open.c:1246 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb The buggy address belongs to the object at ffff88811492cf00 which belongs to the cache kmalloc-192 of size 192 The buggy address is located 63 bytes to the right of 192-byte region [ffff88811492cf00, ffff88811492cfc0) The buggy address belongs to the page: page:ffffea0004524b00 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88811492cc00 pfn:0x11492c flags: 0x4000000000000200(slab) raw: 4000000000000200 0000000000000000 0000000100000001 ffff888100043380 raw: ffff88811492cc00 0000000080100000 00000001ffffffff 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 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 104, ts 5842241864, free_ts 5842181463 set_page_owner include/linux/page_owner.h:35 [inline] post_alloc_hook mm/page_alloc.c:2456 [inline] prep_new_page+0x176/0x190 mm/page_alloc.c:2462 get_page_from_freelist+0x225f/0x23f0 mm/page_alloc.c:4254 __alloc_pages_nodemask+0x29a/0x640 mm/page_alloc.c:5384 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1813 [inline] new_slab+0x84/0x3f0 mm/slub.c:1874 new_slab_objects mm/slub.c:2632 [inline] ___slab_alloc+0x2f8/0x4c0 mm/slub.c:2796 __slab_alloc+0x63/0xa0 mm/slub.c:2836 slab_alloc_node mm/slub.c:2918 [inline] slab_alloc mm/slub.c:2960 [inline] kmem_cache_alloc_trace+0x1a8/0x2e0 mm/slub.c:2977 kmalloc include/linux/slab.h:555 [inline] kzalloc include/linux/slab.h:667 [inline] kernfs_fop_open+0x375/0xbb0 fs/kernfs/file.c:628 do_dentry_open+0x7a5/0x10a0 fs/open.c:819 vfs_open+0x73/0x80 fs/open.c:944 do_open fs/namei.c:3399 [inline] path_openat+0x26c3/0x3040 fs/namei.c:3517 do_filp_open+0x1df/0x400 fs/namei.c:3544 do_sys_openat2+0x19f/0x750 fs/open.c:1219 do_sys_open fs/open.c:1235 [inline] __do_sys_openat fs/open.c:1251 [inline] __se_sys_openat fs/open.c:1246 [inline] __x64_sys_openat+0x136/0x160 fs/open.c:1246 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb page last free stack trace: reset_page_owner include/linux/page_owner.h:28 [inline] free_pages_prepare mm/page_alloc.c:1349 [inline] free_pcp_prepare mm/page_alloc.c:1421 [inline] free_unref_page_prepare+0x2b7/0x2d0 mm/page_alloc.c:3336 free_unref_page mm/page_alloc.c:3391 [inline] free_the_page mm/page_alloc.c:5443 [inline] __free_pages+0x146/0x390 mm/page_alloc.c:5454 free_pages+0x82/0x90 mm/page_alloc.c:5465 selinux_genfs_get_sid+0x20b/0x250 security/selinux/hooks.c:1332 inode_doinit_with_dentry+0x879/0xd70 security/selinux/hooks.c:1529 selinux_d_instantiate+0x27/0x40 security/selinux/hooks.c:6395 security_d_instantiate+0x9e/0xf0 security/security.c:1980 d_splice_alias+0x6d/0x390 fs/dcache.c:3038 kernfs_iop_lookup+0x2c5/0x310 fs/kernfs/dir.c:1178 __lookup_slow+0x2b8/0x410 fs/namei.c:1648 lookup_slow+0x57/0x70 fs/namei.c:1665 walk_component+0x326/0x460 fs/namei.c:1960 lookup_last fs/namei.c:2411 [inline] path_lookupat+0x155/0x430 fs/namei.c:2435 filename_lookup+0x1fd/0x660 fs/namei.c:2468 user_path_at_empty+0x43/0x50 fs/namei.c:2748 user_path_at include/linux/namei.h:60 [inline] vfs_statx+0x10a/0x530 fs/stat.c:193 Memory state around the buggy address: ffff88811492ce80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ffff88811492cf00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff88811492cf80: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ^ ffff88811492d000: 00 00 06 fc fc fc fc fc 00 00 01 fc fc fc fc fc ffff88811492d080: fb fb fb fb fc fc fc fc 00 00 00 00 fc fc fc fc ==================================================================