Extracting prog: 39.188707757s Minimizing prog: 16m15.295592238s Simplifying prog options: 0s Extracting C: 1m19.035606986s Simplifying C: 10m41.446553034s extracting reproducer from 30 programs first checking the prog from the crash report single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mq_open-mq_unlink-prctl$PR_SET_SYSCALL_USER_DISPATCH_ON-mmap-madvise-io_setup-mmap detailed listing: executing program 0: r0 = mq_open(&(0x7f0000000180)=' \x01\x9c\x147\xb3\xcf\xfc\xc3\xa2W)\xebs\x93\xa7\xc7!Q\x8f\xf6\xec\xa5fs\xf5l{T\x87r\xd2)r\xa7\xd6\bO\x9a\x98\xf52:\"\xf4\x12\xc0T+\xcd\x9fv|\x8d\xd5\xb2Dvc\x8e\x93\xd8\xd6\xa0\xc56\xd2x\xe3c:\x00\x00\x00\x00\x00\x00\x00\x00\x97\x97\x9c \xdc\xaavt\x18\xcen\xe4\x03\x84;7\xfb\x84r\xf4\xe7\xc9\b\x987\xaa\x85\xfb\x05%\xa8\xe5b\x81\x8e}\xe1r\xf7s2\x82\xe57&b', 0x41, 0x80, 0x0) mq_unlink(&(0x7f0000000000)=' \x01\x9c\x147\xb3\xcf\xfc\xc3\xa2W)\xebs\x93\xa7\xc7!Q\x8f\xf6\xec\xa5fs\xf5l{T\x87r\xd2)r\xa7\xd6\bO\x9a\x98\xf52:\"\xf4\x12\xc0T+\xcd\x9fv|\x8d\xd5\xb2Dvc\x8e\x93\xd8\xd6\xa0\xc56\xd2x\xe3c:\x00\x00\x00\x00\x00\x00\x00\x00\x97\x97\x9c \xdc\xaavt\x18\xcen\xe4\x03\x84;7\xfb\x84r\xf4\xe7\xc9\b\x987\xaa\x85\xfb\x05%\xa8\xe5b\x81\x8e}\xe1r\xf7s2\x82\xe57&b') prctl$PR_SET_SYSCALL_USER_DISPATCH_ON(0x3b, 0x1, 0x0, 0x0, &(0x7f0000006680)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x12, 0x8031, 0xffffffffffffffff, 0x6a855000) madvise(&(0x7f0000000000/0x600000)=nil, 0x600002, 0x9) io_setup(0xd, &(0x7f0000000000)) mmap(&(0x7f000074f000/0x1000)=nil, 0x1000, 0xb635773f04ebbeee, 0x11, r0, 0x15b77000) program crashed: KASAN: slab-use-after-free Read in process_measurement single: successfully extracted reproducer found reproducer with 7 syscalls minimizing guilty program testing program (duration=45.865015293s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mq_open-mq_unlink-prctl$PR_SET_SYSCALL_USER_DISPATCH_ON-mmap-madvise-io_setup detailed listing: executing program 0: mq_open(&(0x7f0000000180)=' \x01\x9c\x147\xb3\xcf\xfc\xc3\xa2W)\xebs\x93\xa7\xc7!Q\x8f\xf6\xec\xa5fs\xf5l{T\x87r\xd2)r\xa7\xd6\bO\x9a\x98\xf52:\"\xf4\x12\xc0T+\xcd\x9fv|\x8d\xd5\xb2Dvc\x8e\x93\xd8\xd6\xa0\xc56\xd2x\xe3c:\x00\x00\x00\x00\x00\x00\x00\x00\x97\x97\x9c \xdc\xaavt\x18\xcen\xe4\x03\x84;7\xfb\x84r\xf4\xe7\xc9\b\x987\xaa\x85\xfb\x05%\xa8\xe5b\x81\x8e}\xe1r\xf7s2\x82\xe57&b', 0x41, 0x80, 0x0) mq_unlink(&(0x7f0000000000)=' \x01\x9c\x147\xb3\xcf\xfc\xc3\xa2W)\xebs\x93\xa7\xc7!Q\x8f\xf6\xec\xa5fs\xf5l{T\x87r\xd2)r\xa7\xd6\bO\x9a\x98\xf52:\"\xf4\x12\xc0T+\xcd\x9fv|\x8d\xd5\xb2Dvc\x8e\x93\xd8\xd6\xa0\xc56\xd2x\xe3c:\x00\x00\x00\x00\x00\x00\x00\x00\x97\x97\x9c \xdc\xaavt\x18\xcen\xe4\x03\x84;7\xfb\x84r\xf4\xe7\xc9\b\x987\xaa\x85\xfb\x05%\xa8\xe5b\x81\x8e}\xe1r\xf7s2\x82\xe57&b') prctl$PR_SET_SYSCALL_USER_DISPATCH_ON(0x3b, 0x1, 0x0, 0x0, &(0x7f0000006680)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x12, 0x8031, 0xffffffffffffffff, 0x6a855000) madvise(&(0x7f0000000000/0x600000)=nil, 0x600002, 0x9) io_setup(0xd, &(0x7f0000000000)) program crashed: KASAN: slab-use-after-free Read in mqueue_flush_file testing program (duration=45.865015293s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mq_open-mq_unlink-prctl$PR_SET_SYSCALL_USER_DISPATCH_ON-mmap-madvise detailed listing: executing program 0: mq_open(&(0x7f0000000180)=' \x01\x9c\x147\xb3\xcf\xfc\xc3\xa2W)\xebs\x93\xa7\xc7!Q\x8f\xf6\xec\xa5fs\xf5l{T\x87r\xd2)r\xa7\xd6\bO\x9a\x98\xf52:\"\xf4\x12\xc0T+\xcd\x9fv|\x8d\xd5\xb2Dvc\x8e\x93\xd8\xd6\xa0\xc56\xd2x\xe3c:\x00\x00\x00\x00\x00\x00\x00\x00\x97\x97\x9c \xdc\xaavt\x18\xcen\xe4\x03\x84;7\xfb\x84r\xf4\xe7\xc9\b\x987\xaa\x85\xfb\x05%\xa8\xe5b\x81\x8e}\xe1r\xf7s2\x82\xe57&b', 0x41, 0x80, 0x0) mq_unlink(&(0x7f0000000000)=' \x01\x9c\x147\xb3\xcf\xfc\xc3\xa2W)\xebs\x93\xa7\xc7!Q\x8f\xf6\xec\xa5fs\xf5l{T\x87r\xd2)r\xa7\xd6\bO\x9a\x98\xf52:\"\xf4\x12\xc0T+\xcd\x9fv|\x8d\xd5\xb2Dvc\x8e\x93\xd8\xd6\xa0\xc56\xd2x\xe3c:\x00\x00\x00\x00\x00\x00\x00\x00\x97\x97\x9c \xdc\xaavt\x18\xcen\xe4\x03\x84;7\xfb\x84r\xf4\xe7\xc9\b\x987\xaa\x85\xfb\x05%\xa8\xe5b\x81\x8e}\xe1r\xf7s2\x82\xe57&b') prctl$PR_SET_SYSCALL_USER_DISPATCH_ON(0x3b, 0x1, 0x0, 0x0, &(0x7f0000006680)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x12, 0x8031, 0xffffffffffffffff, 0x6a855000) madvise(&(0x7f0000000000/0x600000)=nil, 0x600002, 0x9) program crashed: KASAN: slab-use-after-free Read in mqueue_flush_file testing program (duration=45.865015293s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mq_open-mq_unlink-prctl$PR_SET_SYSCALL_USER_DISPATCH_ON-mmap detailed listing: executing program 0: mq_open(&(0x7f0000000180)=' \x01\x9c\x147\xb3\xcf\xfc\xc3\xa2W)\xebs\x93\xa7\xc7!Q\x8f\xf6\xec\xa5fs\xf5l{T\x87r\xd2)r\xa7\xd6\bO\x9a\x98\xf52:\"\xf4\x12\xc0T+\xcd\x9fv|\x8d\xd5\xb2Dvc\x8e\x93\xd8\xd6\xa0\xc56\xd2x\xe3c:\x00\x00\x00\x00\x00\x00\x00\x00\x97\x97\x9c \xdc\xaavt\x18\xcen\xe4\x03\x84;7\xfb\x84r\xf4\xe7\xc9\b\x987\xaa\x85\xfb\x05%\xa8\xe5b\x81\x8e}\xe1r\xf7s2\x82\xe57&b', 0x41, 0x80, 0x0) mq_unlink(&(0x7f0000000000)=' \x01\x9c\x147\xb3\xcf\xfc\xc3\xa2W)\xebs\x93\xa7\xc7!Q\x8f\xf6\xec\xa5fs\xf5l{T\x87r\xd2)r\xa7\xd6\bO\x9a\x98\xf52:\"\xf4\x12\xc0T+\xcd\x9fv|\x8d\xd5\xb2Dvc\x8e\x93\xd8\xd6\xa0\xc56\xd2x\xe3c:\x00\x00\x00\x00\x00\x00\x00\x00\x97\x97\x9c \xdc\xaavt\x18\xcen\xe4\x03\x84;7\xfb\x84r\xf4\xe7\xc9\b\x987\xaa\x85\xfb\x05%\xa8\xe5b\x81\x8e}\xe1r\xf7s2\x82\xe57&b') prctl$PR_SET_SYSCALL_USER_DISPATCH_ON(0x3b, 0x1, 0x0, 0x0, &(0x7f0000006680)) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x12, 0x8031, 0xffffffffffffffff, 0x6a855000) program crashed: KASAN: slab-use-after-free Read in mqueue_flush_file testing program (duration=45.865015293s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mq_open-mq_unlink-prctl$PR_SET_SYSCALL_USER_DISPATCH_ON detailed listing: executing program 0: mq_open(&(0x7f0000000180)=' \x01\x9c\x147\xb3\xcf\xfc\xc3\xa2W)\xebs\x93\xa7\xc7!Q\x8f\xf6\xec\xa5fs\xf5l{T\x87r\xd2)r\xa7\xd6\bO\x9a\x98\xf52:\"\xf4\x12\xc0T+\xcd\x9fv|\x8d\xd5\xb2Dvc\x8e\x93\xd8\xd6\xa0\xc56\xd2x\xe3c:\x00\x00\x00\x00\x00\x00\x00\x00\x97\x97\x9c \xdc\xaavt\x18\xcen\xe4\x03\x84;7\xfb\x84r\xf4\xe7\xc9\b\x987\xaa\x85\xfb\x05%\xa8\xe5b\x81\x8e}\xe1r\xf7s2\x82\xe57&b', 0x41, 0x80, 0x0) mq_unlink(&(0x7f0000000000)=' \x01\x9c\x147\xb3\xcf\xfc\xc3\xa2W)\xebs\x93\xa7\xc7!Q\x8f\xf6\xec\xa5fs\xf5l{T\x87r\xd2)r\xa7\xd6\bO\x9a\x98\xf52:\"\xf4\x12\xc0T+\xcd\x9fv|\x8d\xd5\xb2Dvc\x8e\x93\xd8\xd6\xa0\xc56\xd2x\xe3c:\x00\x00\x00\x00\x00\x00\x00\x00\x97\x97\x9c \xdc\xaavt\x18\xcen\xe4\x03\x84;7\xfb\x84r\xf4\xe7\xc9\b\x987\xaa\x85\xfb\x05%\xa8\xe5b\x81\x8e}\xe1r\xf7s2\x82\xe57&b') prctl$PR_SET_SYSCALL_USER_DISPATCH_ON(0x3b, 0x1, 0x0, 0x0, &(0x7f0000006680)) program crashed: general protection fault in __fput testing program (duration=45.865015293s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mq_open-mq_unlink detailed listing: executing program 0: mq_open(&(0x7f0000000180)=' \x01\x9c\x147\xb3\xcf\xfc\xc3\xa2W)\xebs\x93\xa7\xc7!Q\x8f\xf6\xec\xa5fs\xf5l{T\x87r\xd2)r\xa7\xd6\bO\x9a\x98\xf52:\"\xf4\x12\xc0T+\xcd\x9fv|\x8d\xd5\xb2Dvc\x8e\x93\xd8\xd6\xa0\xc56\xd2x\xe3c:\x00\x00\x00\x00\x00\x00\x00\x00\x97\x97\x9c \xdc\xaavt\x18\xcen\xe4\x03\x84;7\xfb\x84r\xf4\xe7\xc9\b\x987\xaa\x85\xfb\x05%\xa8\xe5b\x81\x8e}\xe1r\xf7s2\x82\xe57&b', 0x41, 0x80, 0x0) mq_unlink(&(0x7f0000000000)=' \x01\x9c\x147\xb3\xcf\xfc\xc3\xa2W)\xebs\x93\xa7\xc7!Q\x8f\xf6\xec\xa5fs\xf5l{T\x87r\xd2)r\xa7\xd6\bO\x9a\x98\xf52:\"\xf4\x12\xc0T+\xcd\x9fv|\x8d\xd5\xb2Dvc\x8e\x93\xd8\xd6\xa0\xc56\xd2x\xe3c:\x00\x00\x00\x00\x00\x00\x00\x00\x97\x97\x9c \xdc\xaavt\x18\xcen\xe4\x03\x84;7\xfb\x84r\xf4\xe7\xc9\b\x987\xaa\x85\xfb\x05%\xa8\xe5b\x81\x8e}\xe1r\xf7s2\x82\xe57&b') program crashed: general protection fault in __fput testing program (duration=45.865015293s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mq_open detailed listing: executing program 0: mq_open(&(0x7f0000000180)=' \x01\x9c\x147\xb3\xcf\xfc\xc3\xa2W)\xebs\x93\xa7\xc7!Q\x8f\xf6\xec\xa5fs\xf5l{T\x87r\xd2)r\xa7\xd6\bO\x9a\x98\xf52:\"\xf4\x12\xc0T+\xcd\x9fv|\x8d\xd5\xb2Dvc\x8e\x93\xd8\xd6\xa0\xc56\xd2x\xe3c:\x00\x00\x00\x00\x00\x00\x00\x00\x97\x97\x9c \xdc\xaavt\x18\xcen\xe4\x03\x84;7\xfb\x84r\xf4\xe7\xc9\b\x987\xaa\x85\xfb\x05%\xa8\xe5b\x81\x8e}\xe1r\xf7s2\x82\xe57&b', 0x41, 0x80, 0x0) program did not crash testing program (duration=45.865015293s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mq_unlink detailed listing: executing program 0: mq_unlink(&(0x7f0000000000)=' \x01\x9c\x147\xb3\xcf\xfc\xc3\xa2W)\xebs\x93\xa7\xc7!Q\x8f\xf6\xec\xa5fs\xf5l{T\x87r\xd2)r\xa7\xd6\bO\x9a\x98\xf52:\"\xf4\x12\xc0T+\xcd\x9fv|\x8d\xd5\xb2Dvc\x8e\x93\xd8\xd6\xa0\xc56\xd2x\xe3c:\x00\x00\x00\x00\x00\x00\x00\x00\x97\x97\x9c \xdc\xaavt\x18\xcen\xe4\x03\x84;7\xfb\x84r\xf4\xe7\xc9\b\x987\xaa\x85\xfb\x05%\xa8\xe5b\x81\x8e}\xe1r\xf7s2\x82\xe57&b') program did not crash testing program (duration=45.865015293s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mq_open-mq_unlink detailed listing: executing program 0: mq_open(0x0, 0x41, 0x80, 0x0) mq_unlink(&(0x7f0000000000)=' \x01\x9c\x147\xb3\xcf\xfc\xc3\xa2W)\xebs\x93\xa7\xc7!Q\x8f\xf6\xec\xa5fs\xf5l{T\x87r\xd2)r\xa7\xd6\bO\x9a\x98\xf52:\"\xf4\x12\xc0T+\xcd\x9fv|\x8d\xd5\xb2Dvc\x8e\x93\xd8\xd6\xa0\xc56\xd2x\xe3c:\x00\x00\x00\x00\x00\x00\x00\x00\x97\x97\x9c \xdc\xaavt\x18\xcen\xe4\x03\x84;7\xfb\x84r\xf4\xe7\xc9\b\x987\xaa\x85\xfb\x05%\xa8\xe5b\x81\x8e}\xe1r\xf7s2\x82\xe57&b') program did not crash testing program (duration=45.865015293s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mq_open-mq_unlink detailed listing: executing program 0: mq_open(&(0x7f0000000180)=' \x01\x9c\x147\xb3\xcf\xfc\xc3\xa2W)\xebs\x93\xa7\xc7!Q\x8f\xf6\xec\xa5fs\xf5l{T\x87r\xd2)r\xa7\xd6\bO\x9a\x98\xf52:\"\xf4\x12\xc0T+\xcd\x9fv|\x8d\xd5\xb2Dvc\x8e\x93\xd8\xd6\xa0\xc56\xd2x\xe3c:\x00\x00\x00\x00\x00\x00\x00\x00\x97\x97\x9c \xdc\xaavt\x18\xcen\xe4\x03\x84;7\xfb\x84r\xf4\xe7\xc9\b\x987\xaa\x85\xfb\x05%\xa8\xe5b\x81\x8e}\xe1r\xf7s2\x82\xe57&b', 0x41, 0x80, 0x0) mq_unlink(0x0) program did not crash extracting C reproducer testing compiled C program (duration=45.865015293s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mq_open-mq_unlink program crashed: general protection fault in __fput simplifying C reproducer testing compiled C program (duration=45.865015293s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mq_open-mq_unlink program crashed: general protection fault in __fput testing compiled C program (duration=45.865015293s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mq_open-mq_unlink program crashed: general protection fault in __fput testing compiled C program (duration=45.865015293s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mq_open-mq_unlink program crashed: general protection fault in __fput testing compiled C program (duration=45.865015293s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mq_open-mq_unlink program crashed: general protection fault in __fput testing compiled C program (duration=45.865015293s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mq_open-mq_unlink program crashed: general protection fault in __fput testing compiled C program (duration=45.865015293s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mq_open-mq_unlink program crashed: general protection fault in __fput testing compiled C program (duration=45.865015293s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mq_open-mq_unlink program crashed: general protection fault in __fput testing program (duration=45.865015293s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mq_open-mq_unlink detailed listing: executing program 0: mq_open(&(0x7f0000000180)=' \x01\x9c\x147\xb3\xcf\xfc\xc3\xa2W)\xebs\x93\xa7\xc7!Q\x8f\xf6\xec\xa5fs\xf5l{T\x87r\xd2)r\xa7\xd6\bO\x9a\x98\xf52:\"\xf4\x12\xc0T+\xcd\x9fv|\x8d\xd5\xb2Dvc\x8e\x93\xd8\xd6\xa0\xc56\xd2x\xe3c:\x00\x00\x00\x00\x00\x00\x00\x00\x97\x97\x9c \xdc\xaavt\x18\xcen\xe4\x03\x84;7\xfb\x84r\xf4\xe7\xc9\b\x987\xaa\x85\xfb\x05%\xa8\xe5b\x81\x8e}\xe1r\xf7s2\x82\xe57&b', 0x41, 0x80, 0x0) mq_unlink(&(0x7f0000000000)=' \x01\x9c\x147\xb3\xcf\xfc\xc3\xa2W)\xebs\x93\xa7\xc7!Q\x8f\xf6\xec\xa5fs\xf5l{T\x87r\xd2)r\xa7\xd6\bO\x9a\x98\xf52:\"\xf4\x12\xc0T+\xcd\x9fv|\x8d\xd5\xb2Dvc\x8e\x93\xd8\xd6\xa0\xc56\xd2x\xe3c:\x00\x00\x00\x00\x00\x00\x00\x00\x97\x97\x9c \xdc\xaavt\x18\xcen\xe4\x03\x84;7\xfb\x84r\xf4\xe7\xc9\b\x987\xaa\x85\xfb\x05%\xa8\xe5b\x81\x8e}\xe1r\xf7s2\x82\xe57&b') program crashed: general protection fault in __fput validation run: crashed=true testing program (duration=45.865015293s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mq_open-mq_unlink detailed listing: executing program 0: mq_open(&(0x7f0000000180)=' \x01\x9c\x147\xb3\xcf\xfc\xc3\xa2W)\xebs\x93\xa7\xc7!Q\x8f\xf6\xec\xa5fs\xf5l{T\x87r\xd2)r\xa7\xd6\bO\x9a\x98\xf52:\"\xf4\x12\xc0T+\xcd\x9fv|\x8d\xd5\xb2Dvc\x8e\x93\xd8\xd6\xa0\xc56\xd2x\xe3c:\x00\x00\x00\x00\x00\x00\x00\x00\x97\x97\x9c \xdc\xaavt\x18\xcen\xe4\x03\x84;7\xfb\x84r\xf4\xe7\xc9\b\x987\xaa\x85\xfb\x05%\xa8\xe5b\x81\x8e}\xe1r\xf7s2\x82\xe57&b', 0x41, 0x80, 0x0) mq_unlink(&(0x7f0000000000)=' \x01\x9c\x147\xb3\xcf\xfc\xc3\xa2W)\xebs\x93\xa7\xc7!Q\x8f\xf6\xec\xa5fs\xf5l{T\x87r\xd2)r\xa7\xd6\bO\x9a\x98\xf52:\"\xf4\x12\xc0T+\xcd\x9fv|\x8d\xd5\xb2Dvc\x8e\x93\xd8\xd6\xa0\xc56\xd2x\xe3c:\x00\x00\x00\x00\x00\x00\x00\x00\x97\x97\x9c \xdc\xaavt\x18\xcen\xe4\x03\x84;7\xfb\x84r\xf4\xe7\xc9\b\x987\xaa\x85\xfb\x05%\xa8\xe5b\x81\x8e}\xe1r\xf7s2\x82\xe57&b') program crashed: general protection fault in __fput validation run: crashed=true testing program (duration=45.865015293s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mq_open-mq_unlink detailed listing: executing program 0: mq_open(&(0x7f0000000180)=' \x01\x9c\x147\xb3\xcf\xfc\xc3\xa2W)\xebs\x93\xa7\xc7!Q\x8f\xf6\xec\xa5fs\xf5l{T\x87r\xd2)r\xa7\xd6\bO\x9a\x98\xf52:\"\xf4\x12\xc0T+\xcd\x9fv|\x8d\xd5\xb2Dvc\x8e\x93\xd8\xd6\xa0\xc56\xd2x\xe3c:\x00\x00\x00\x00\x00\x00\x00\x00\x97\x97\x9c \xdc\xaavt\x18\xcen\xe4\x03\x84;7\xfb\x84r\xf4\xe7\xc9\b\x987\xaa\x85\xfb\x05%\xa8\xe5b\x81\x8e}\xe1r\xf7s2\x82\xe57&b', 0x41, 0x80, 0x0) mq_unlink(&(0x7f0000000000)=' \x01\x9c\x147\xb3\xcf\xfc\xc3\xa2W)\xebs\x93\xa7\xc7!Q\x8f\xf6\xec\xa5fs\xf5l{T\x87r\xd2)r\xa7\xd6\bO\x9a\x98\xf52:\"\xf4\x12\xc0T+\xcd\x9fv|\x8d\xd5\xb2Dvc\x8e\x93\xd8\xd6\xa0\xc56\xd2x\xe3c:\x00\x00\x00\x00\x00\x00\x00\x00\x97\x97\x9c \xdc\xaavt\x18\xcen\xe4\x03\x84;7\xfb\x84r\xf4\xe7\xc9\b\x987\xaa\x85\xfb\x05%\xa8\xe5b\x81\x8e}\xe1r\xf7s2\x82\xe57&b') program crashed: general protection fault in __fput validation run: crashed=true reproducing took 33m20.812263229s repro crashed as (corrupted=false): Oops: general protection fault, probably for non-canonical address 0xdffffc0000000005: 0000 [#1] SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f] CPU: 0 UID: 0 PID: 6011 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:fsnotify_parent include/linux/fsnotify.h:81 [inline] RIP: 0010:fsnotify_path include/linux/fsnotify.h:113 [inline] RIP: 0010:fsnotify_file include/linux/fsnotify.h:127 [inline] RIP: 0010:fsnotify_close include/linux/fsnotify.h:457 [inline] RIP: 0010:__fput+0x1b5/0xa70 fs/file_table.c:454 Code: fc ff df 80 3c 08 00 74 08 4c 89 e7 e8 b4 0d ee ff 4d 8b 34 24 49 8d 6e 28 48 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 ef e8 8d 0d ee ff 41 bc 60 06 00 00 4c 03 RSP: 0018:ffffc90003357d30 EFLAGS: 00010206 RAX: 0000000000000005 RBX: ffff88801f335c00 RCX: dffffc0000000000 RDX: ffff888030a2bd00 RSI: 0000000004000000 RDI: 0000000002000000 RBP: 0000000000000028 R08: ffffffff8f813377 R09: 1ffffffff1f0266e R10: dffffc0000000000 R11: ffffffff823a0220 R12: ffff88807651b380 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88802a0128c0 FS: 000055556ef78500(0000) GS:ffff888125e4f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2fd63fff CR3: 0000000072fd2000 CR4: 00000000003526f0 Call Trace: task_work_run+0x1d4/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0xff/0x4f0 kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline] do_syscall_64+0x2e3/0xf80 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdf8198f749 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffdb178a288 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00000000000159d7 RCX: 00007fdf8198f749 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000001 R09: 00000002b178a57f R10: 0000001b2f120000 R11: 0000000000000246 R12: 00007fdf81be5fac R13: 00007fdf81be5fa0 R14: ffffffffffffffff R15: 0000000000000001 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:fsnotify_parent include/linux/fsnotify.h:81 [inline] RIP: 0010:fsnotify_path include/linux/fsnotify.h:113 [inline] RIP: 0010:fsnotify_file include/linux/fsnotify.h:127 [inline] RIP: 0010:fsnotify_close include/linux/fsnotify.h:457 [inline] RIP: 0010:__fput+0x1b5/0xa70 fs/file_table.c:454 Code: fc ff df 80 3c 08 00 74 08 4c 89 e7 e8 b4 0d ee ff 4d 8b 34 24 49 8d 6e 28 48 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 ef e8 8d 0d ee ff 41 bc 60 06 00 00 4c 03 RSP: 0018:ffffc90003357d30 EFLAGS: 00010206 RAX: 0000000000000005 RBX: ffff88801f335c00 RCX: dffffc0000000000 RDX: ffff888030a2bd00 RSI: 0000000004000000 RDI: 0000000002000000 RBP: 0000000000000028 R08: ffffffff8f813377 R09: 1ffffffff1f0266e R10: dffffc0000000000 R11: ffffffff823a0220 R12: ffff88807651b380 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88802a0128c0 FS: 000055556ef78500(0000) GS:ffff888125f4f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffeb3c1c108 CR3: 0000000072fd2000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: df 80 3c 08 00 74 filds 0x7400083c(%rax) 6: 08 4c 89 e7 or %cl,-0x19(%rcx,%rcx,4) a: e8 b4 0d ee ff call 0xffee0dc3 f: 4d 8b 34 24 mov (%r12),%r14 13: 49 8d 6e 28 lea 0x28(%r14),%rbp 17: 48 89 e8 mov %rbp,%rax 1a: 48 c1 e8 03 shr $0x3,%rax 1e: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx 25: fc ff df * 28: 80 3c 08 00 cmpb $0x0,(%rax,%rcx,1) <-- trapping instruction 2c: 74 08 je 0x36 2e: 48 89 ef mov %rbp,%rdi 31: e8 8d 0d ee ff call 0xffee0dc3 36: 41 bc 60 06 00 00 mov $0x660,%r12d 3c: 4c rex.WR 3d: 03 .byte 0x3 final repro crashed as (corrupted=false): Oops: general protection fault, probably for non-canonical address 0xdffffc0000000005: 0000 [#1] SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f] CPU: 0 UID: 0 PID: 6011 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025 RIP: 0010:fsnotify_parent include/linux/fsnotify.h:81 [inline] RIP: 0010:fsnotify_path include/linux/fsnotify.h:113 [inline] RIP: 0010:fsnotify_file include/linux/fsnotify.h:127 [inline] RIP: 0010:fsnotify_close include/linux/fsnotify.h:457 [inline] RIP: 0010:__fput+0x1b5/0xa70 fs/file_table.c:454 Code: fc ff df 80 3c 08 00 74 08 4c 89 e7 e8 b4 0d ee ff 4d 8b 34 24 49 8d 6e 28 48 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 ef e8 8d 0d ee ff 41 bc 60 06 00 00 4c 03 RSP: 0018:ffffc90003357d30 EFLAGS: 00010206 RAX: 0000000000000005 RBX: ffff88801f335c00 RCX: dffffc0000000000 RDX: ffff888030a2bd00 RSI: 0000000004000000 RDI: 0000000002000000 RBP: 0000000000000028 R08: ffffffff8f813377 R09: 1ffffffff1f0266e R10: dffffc0000000000 R11: ffffffff823a0220 R12: ffff88807651b380 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88802a0128c0 FS: 000055556ef78500(0000) GS:ffff888125e4f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2fd63fff CR3: 0000000072fd2000 CR4: 00000000003526f0 Call Trace: task_work_run+0x1d4/0x260 kernel/task_work.c:233 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] __exit_to_user_mode_loop kernel/entry/common.c:44 [inline] exit_to_user_mode_loop+0xff/0x4f0 kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline] do_syscall_64+0x2e3/0xf80 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdf8198f749 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffdb178a288 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00000000000159d7 RCX: 00007fdf8198f749 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000001 R09: 00000002b178a57f R10: 0000001b2f120000 R11: 0000000000000246 R12: 00007fdf81be5fac R13: 00007fdf81be5fa0 R14: ffffffffffffffff R15: 0000000000000001 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:fsnotify_parent include/linux/fsnotify.h:81 [inline] RIP: 0010:fsnotify_path include/linux/fsnotify.h:113 [inline] RIP: 0010:fsnotify_file include/linux/fsnotify.h:127 [inline] RIP: 0010:fsnotify_close include/linux/fsnotify.h:457 [inline] RIP: 0010:__fput+0x1b5/0xa70 fs/file_table.c:454 Code: fc ff df 80 3c 08 00 74 08 4c 89 e7 e8 b4 0d ee ff 4d 8b 34 24 49 8d 6e 28 48 89 e8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 ef e8 8d 0d ee ff 41 bc 60 06 00 00 4c 03 RSP: 0018:ffffc90003357d30 EFLAGS: 00010206 RAX: 0000000000000005 RBX: ffff88801f335c00 RCX: dffffc0000000000 RDX: ffff888030a2bd00 RSI: 0000000004000000 RDI: 0000000002000000 RBP: 0000000000000028 R08: ffffffff8f813377 R09: 1ffffffff1f0266e R10: dffffc0000000000 R11: ffffffff823a0220 R12: ffff88807651b380 R13: 0000000000000000 R14: 0000000000000000 R15: ffff88802a0128c0 FS: 000055556ef78500(0000) GS:ffff888125f4f000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffeb3c1c108 CR3: 0000000072fd2000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: df 80 3c 08 00 74 filds 0x7400083c(%rax) 6: 08 4c 89 e7 or %cl,-0x19(%rcx,%rcx,4) a: e8 b4 0d ee ff call 0xffee0dc3 f: 4d 8b 34 24 mov (%r12),%r14 13: 49 8d 6e 28 lea 0x28(%r14),%rbp 17: 48 89 e8 mov %rbp,%rax 1a: 48 c1 e8 03 shr $0x3,%rax 1e: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx 25: fc ff df * 28: 80 3c 08 00 cmpb $0x0,(%rax,%rcx,1) <-- trapping instruction 2c: 74 08 je 0x36 2e: 48 89 ef mov %rbp,%rdi 31: e8 8d 0d ee ff call 0xffee0dc3 36: 41 bc 60 06 00 00 mov $0x660,%r12d 3c: 4c rex.WR 3d: 03 .byte 0x3