Extracting prog: 2m30.699190247s Minimizing prog: 17m8.757561689s Simplifying prog options: 0s Extracting C: 33.079040411s Simplifying C: 9m42.967250308s extracting reproducer from 1 programs testing a last program of every proc 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-fspick-fsconfig$FSCONFIG_SET_FLAG-fsconfig$FSCONFIG_CMD_RECONFIGURE-mq_open detailed listing: executing program 0: r0 = fsopen(&(0x7f0000000140)='mqueue\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) fchdir(r1) r2 = fspick(0xffffffffffffff9c, &(0x7f0000000000)='.\x00', 0x0) fsconfig$FSCONFIG_SET_FLAG(r2, 0x0, &(0x7f0000000040)='ro\x00', 0x0, 0x0) fsconfig$FSCONFIG_CMD_RECONFIGURE(r2, 0x7, 0x0, 0x0, 0x0) mq_open(&(0x7f00000004c0)='!\x7f\x00\xca\x00\x00\x00\f\x00\x00\x01E!T\xednux\x02\xc7\x12\xec\xca7\xbc\x1fS\x1c\x05y\x91\xe5\x9aL\xa9u\b\x00\x00\x00\xa0pC\x19\x9b\vY\x186\xa4\xe7\x1eg{`\xfa\xf3n\x8fIj6f\xfb\x13-g\x19(a6\x18\xe24nz\x83w8\xff\xfb\x83\f\x9a\xda\xc5w\x8eo\x02\xa3\xc1\x83\x91\xc6\xfd\x8c\xc4s\x03\x16\xa4+\xce|^\x98K_0\x8a\xb0\xff~\x1e\xd92\xb4r\xd8\xe7', 0x40, 0x110, 0x0) program crashed: general protection fault in fd_install single: successfully extracted reproducer found reproducer with 8 syscalls minimizing guilty program testing program (duration=48.09133401s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-fspick-fsconfig$FSCONFIG_SET_FLAG-fsconfig$FSCONFIG_CMD_RECONFIGURE detailed listing: executing program 0: r0 = fsopen(&(0x7f0000000140)='mqueue\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) fchdir(r1) r2 = fspick(0xffffffffffffff9c, &(0x7f0000000000)='.\x00', 0x0) fsconfig$FSCONFIG_SET_FLAG(r2, 0x0, &(0x7f0000000040)='ro\x00', 0x0, 0x0) fsconfig$FSCONFIG_CMD_RECONFIGURE(r2, 0x7, 0x0, 0x0, 0x0) program did not crash testing program (duration=48.09133401s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-fspick-fsconfig$FSCONFIG_SET_FLAG-mq_open detailed listing: executing program 0: r0 = fsopen(&(0x7f0000000140)='mqueue\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) fchdir(r1) r2 = fspick(0xffffffffffffff9c, &(0x7f0000000000)='.\x00', 0x0) fsconfig$FSCONFIG_SET_FLAG(r2, 0x0, &(0x7f0000000040)='ro\x00', 0x0, 0x0) mq_open(&(0x7f00000004c0)='!\x7f\x00\xca\x00\x00\x00\f\x00\x00\x01E!T\xednux\x02\xc7\x12\xec\xca7\xbc\x1fS\x1c\x05y\x91\xe5\x9aL\xa9u\b\x00\x00\x00\xa0pC\x19\x9b\vY\x186\xa4\xe7\x1eg{`\xfa\xf3n\x8fIj6f\xfb\x13-g\x19(a6\x18\xe24nz\x83w8\xff\xfb\x83\f\x9a\xda\xc5w\x8eo\x02\xa3\xc1\x83\x91\xc6\xfd\x8c\xc4s\x03\x16\xa4+\xce|^\x98K_0\x8a\xb0\xff~\x1e\xd92\xb4r\xd8\xe7', 0x40, 0x110, 0x0) program did not crash testing program (duration=48.09133401s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-fspick-fsconfig$FSCONFIG_CMD_RECONFIGURE-mq_open detailed listing: executing program 0: r0 = fsopen(&(0x7f0000000140)='mqueue\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) fchdir(r1) r2 = fspick(0xffffffffffffff9c, &(0x7f0000000000)='.\x00', 0x0) fsconfig$FSCONFIG_CMD_RECONFIGURE(r2, 0x7, 0x0, 0x0, 0x0) mq_open(&(0x7f00000004c0)='!\x7f\x00\xca\x00\x00\x00\f\x00\x00\x01E!T\xednux\x02\xc7\x12\xec\xca7\xbc\x1fS\x1c\x05y\x91\xe5\x9aL\xa9u\b\x00\x00\x00\xa0pC\x19\x9b\vY\x186\xa4\xe7\x1eg{`\xfa\xf3n\x8fIj6f\xfb\x13-g\x19(a6\x18\xe24nz\x83w8\xff\xfb\x83\f\x9a\xda\xc5w\x8eo\x02\xa3\xc1\x83\x91\xc6\xfd\x8c\xc4s\x03\x16\xa4+\xce|^\x98K_0\x8a\xb0\xff~\x1e\xd92\xb4r\xd8\xe7', 0x40, 0x110, 0x0) program did not crash testing program (duration=48.09133401s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-fsconfig$FSCONFIG_SET_FLAG-fsconfig$FSCONFIG_CMD_RECONFIGURE-mq_open detailed listing: executing program 0: r0 = fsopen(&(0x7f0000000140)='mqueue\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) fchdir(r1) fsconfig$FSCONFIG_SET_FLAG(0xffffffffffffffff, 0x0, &(0x7f0000000040)='ro\x00', 0x0, 0x0) fsconfig$FSCONFIG_CMD_RECONFIGURE(0xffffffffffffffff, 0x7, 0x0, 0x0, 0x0) mq_open(&(0x7f00000004c0)='!\x7f\x00\xca\x00\x00\x00\f\x00\x00\x01E!T\xednux\x02\xc7\x12\xec\xca7\xbc\x1fS\x1c\x05y\x91\xe5\x9aL\xa9u\b\x00\x00\x00\xa0pC\x19\x9b\vY\x186\xa4\xe7\x1eg{`\xfa\xf3n\x8fIj6f\xfb\x13-g\x19(a6\x18\xe24nz\x83w8\xff\xfb\x83\f\x9a\xda\xc5w\x8eo\x02\xa3\xc1\x83\x91\xc6\xfd\x8c\xc4s\x03\x16\xa4+\xce|^\x98K_0\x8a\xb0\xff~\x1e\xd92\xb4r\xd8\xe7', 0x40, 0x110, 0x0) program did not crash testing program (duration=48.09133401s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fspick-fsconfig$FSCONFIG_SET_FLAG-fsconfig$FSCONFIG_CMD_RECONFIGURE-mq_open detailed listing: executing program 0: r0 = fsopen(&(0x7f0000000140)='mqueue\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) fsmount(r0, 0x0, 0x0) r1 = fspick(0xffffffffffffff9c, &(0x7f0000000000)='.\x00', 0x0) fsconfig$FSCONFIG_SET_FLAG(r1, 0x0, &(0x7f0000000040)='ro\x00', 0x0, 0x0) fsconfig$FSCONFIG_CMD_RECONFIGURE(r1, 0x7, 0x0, 0x0, 0x0) mq_open(&(0x7f00000004c0)='!\x7f\x00\xca\x00\x00\x00\f\x00\x00\x01E!T\xednux\x02\xc7\x12\xec\xca7\xbc\x1fS\x1c\x05y\x91\xe5\x9aL\xa9u\b\x00\x00\x00\xa0pC\x19\x9b\vY\x186\xa4\xe7\x1eg{`\xfa\xf3n\x8fIj6f\xfb\x13-g\x19(a6\x18\xe24nz\x83w8\xff\xfb\x83\f\x9a\xda\xc5w\x8eo\x02\xa3\xc1\x83\x91\xc6\xfd\x8c\xc4s\x03\x16\xa4+\xce|^\x98K_0\x8a\xb0\xff~\x1e\xd92\xb4r\xd8\xe7', 0x40, 0x110, 0x0) program did not crash testing program (duration=48.09133401s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fchdir-fspick-fsconfig$FSCONFIG_SET_FLAG-fsconfig$FSCONFIG_CMD_RECONFIGURE-mq_open detailed listing: executing program 0: r0 = fsopen(&(0x7f0000000140)='mqueue\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) fchdir(0xffffffffffffffff) r1 = fspick(0xffffffffffffff9c, &(0x7f0000000000)='.\x00', 0x0) fsconfig$FSCONFIG_SET_FLAG(r1, 0x0, &(0x7f0000000040)='ro\x00', 0x0, 0x0) fsconfig$FSCONFIG_CMD_RECONFIGURE(r1, 0x7, 0x0, 0x0, 0x0) mq_open(&(0x7f00000004c0)='!\x7f\x00\xca\x00\x00\x00\f\x00\x00\x01E!T\xednux\x02\xc7\x12\xec\xca7\xbc\x1fS\x1c\x05y\x91\xe5\x9aL\xa9u\b\x00\x00\x00\xa0pC\x19\x9b\vY\x186\xa4\xe7\x1eg{`\xfa\xf3n\x8fIj6f\xfb\x13-g\x19(a6\x18\xe24nz\x83w8\xff\xfb\x83\f\x9a\xda\xc5w\x8eo\x02\xa3\xc1\x83\x91\xc6\xfd\x8c\xc4s\x03\x16\xa4+\xce|^\x98K_0\x8a\xb0\xff~\x1e\xd92\xb4r\xd8\xe7', 0x40, 0x110, 0x0) program did not crash testing program (duration=48.09133401s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsopen-fsmount-fchdir-fspick-fsconfig$FSCONFIG_SET_FLAG-fsconfig$FSCONFIG_CMD_RECONFIGURE-mq_open detailed listing: executing program 0: r0 = fsopen(&(0x7f0000000140)='mqueue\x00', 0x0) r1 = fsmount(r0, 0x0, 0x0) fchdir(r1) r2 = fspick(0xffffffffffffff9c, &(0x7f0000000000)='.\x00', 0x0) fsconfig$FSCONFIG_SET_FLAG(r2, 0x0, &(0x7f0000000040)='ro\x00', 0x0, 0x0) fsconfig$FSCONFIG_CMD_RECONFIGURE(r2, 0x7, 0x0, 0x0, 0x0) mq_open(&(0x7f00000004c0)='!\x7f\x00\xca\x00\x00\x00\f\x00\x00\x01E!T\xednux\x02\xc7\x12\xec\xca7\xbc\x1fS\x1c\x05y\x91\xe5\x9aL\xa9u\b\x00\x00\x00\xa0pC\x19\x9b\vY\x186\xa4\xe7\x1eg{`\xfa\xf3n\x8fIj6f\xfb\x13-g\x19(a6\x18\xe24nz\x83w8\xff\xfb\x83\f\x9a\xda\xc5w\x8eo\x02\xa3\xc1\x83\x91\xc6\xfd\x8c\xc4s\x03\x16\xa4+\xce|^\x98K_0\x8a\xb0\xff~\x1e\xd92\xb4r\xd8\xe7', 0x40, 0x110, 0x0) program did not crash testing program (duration=48.09133401s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-fspick-fsconfig$FSCONFIG_SET_FLAG-fsconfig$FSCONFIG_CMD_RECONFIGURE-mq_open detailed listing: executing program 0: fsconfig$FSCONFIG_CMD_CREATE(0xffffffffffffffff, 0x6, 0x0, 0x0, 0x0) r0 = fsmount(0xffffffffffffffff, 0x0, 0x0) fchdir(r0) r1 = fspick(0xffffffffffffff9c, &(0x7f0000000000)='.\x00', 0x0) fsconfig$FSCONFIG_SET_FLAG(r1, 0x0, &(0x7f0000000040)='ro\x00', 0x0, 0x0) fsconfig$FSCONFIG_CMD_RECONFIGURE(r1, 0x7, 0x0, 0x0, 0x0) mq_open(&(0x7f00000004c0)='!\x7f\x00\xca\x00\x00\x00\f\x00\x00\x01E!T\xednux\x02\xc7\x12\xec\xca7\xbc\x1fS\x1c\x05y\x91\xe5\x9aL\xa9u\b\x00\x00\x00\xa0pC\x19\x9b\vY\x186\xa4\xe7\x1eg{`\xfa\xf3n\x8fIj6f\xfb\x13-g\x19(a6\x18\xe24nz\x83w8\xff\xfb\x83\f\x9a\xda\xc5w\x8eo\x02\xa3\xc1\x83\x91\xc6\xfd\x8c\xc4s\x03\x16\xa4+\xce|^\x98K_0\x8a\xb0\xff~\x1e\xd92\xb4r\xd8\xe7', 0x40, 0x110, 0x0) program did not crash testing program (duration=48.09133401s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-fspick-fsconfig$FSCONFIG_SET_FLAG-fsconfig$FSCONFIG_CMD_RECONFIGURE-mq_open detailed listing: executing program 0: r0 = fsopen(0x0, 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) fchdir(r1) r2 = fspick(0xffffffffffffff9c, &(0x7f0000000000)='.\x00', 0x0) fsconfig$FSCONFIG_SET_FLAG(r2, 0x0, &(0x7f0000000040)='ro\x00', 0x0, 0x0) fsconfig$FSCONFIG_CMD_RECONFIGURE(r2, 0x7, 0x0, 0x0, 0x0) mq_open(&(0x7f00000004c0)='!\x7f\x00\xca\x00\x00\x00\f\x00\x00\x01E!T\xednux\x02\xc7\x12\xec\xca7\xbc\x1fS\x1c\x05y\x91\xe5\x9aL\xa9u\b\x00\x00\x00\xa0pC\x19\x9b\vY\x186\xa4\xe7\x1eg{`\xfa\xf3n\x8fIj6f\xfb\x13-g\x19(a6\x18\xe24nz\x83w8\xff\xfb\x83\f\x9a\xda\xc5w\x8eo\x02\xa3\xc1\x83\x91\xc6\xfd\x8c\xc4s\x03\x16\xa4+\xce|^\x98K_0\x8a\xb0\xff~\x1e\xd92\xb4r\xd8\xe7', 0x40, 0x110, 0x0) program did not crash testing program (duration=48.09133401s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-fspick-fsconfig$FSCONFIG_SET_FLAG-fsconfig$FSCONFIG_CMD_RECONFIGURE-mq_open detailed listing: executing program 0: r0 = fsopen(&(0x7f0000000140)='mqueue\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) fchdir(r1) r2 = fspick(0xffffffffffffff9c, 0x0, 0x0) fsconfig$FSCONFIG_SET_FLAG(r2, 0x0, &(0x7f0000000040)='ro\x00', 0x0, 0x0) fsconfig$FSCONFIG_CMD_RECONFIGURE(r2, 0x7, 0x0, 0x0, 0x0) mq_open(&(0x7f00000004c0)='!\x7f\x00\xca\x00\x00\x00\f\x00\x00\x01E!T\xednux\x02\xc7\x12\xec\xca7\xbc\x1fS\x1c\x05y\x91\xe5\x9aL\xa9u\b\x00\x00\x00\xa0pC\x19\x9b\vY\x186\xa4\xe7\x1eg{`\xfa\xf3n\x8fIj6f\xfb\x13-g\x19(a6\x18\xe24nz\x83w8\xff\xfb\x83\f\x9a\xda\xc5w\x8eo\x02\xa3\xc1\x83\x91\xc6\xfd\x8c\xc4s\x03\x16\xa4+\xce|^\x98K_0\x8a\xb0\xff~\x1e\xd92\xb4r\xd8\xe7', 0x40, 0x110, 0x0) program did not crash testing program (duration=48.09133401s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-fspick-fsconfig$FSCONFIG_SET_FLAG-fsconfig$FSCONFIG_CMD_RECONFIGURE-mq_open detailed listing: executing program 0: r0 = fsopen(&(0x7f0000000140)='mqueue\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) fchdir(r1) r2 = fspick(0xffffffffffffff9c, &(0x7f0000000000)='.\x00', 0x0) fsconfig$FSCONFIG_SET_FLAG(r2, 0x0, 0x0, 0x0, 0x0) fsconfig$FSCONFIG_CMD_RECONFIGURE(r2, 0x7, 0x0, 0x0, 0x0) mq_open(&(0x7f00000004c0)='!\x7f\x00\xca\x00\x00\x00\f\x00\x00\x01E!T\xednux\x02\xc7\x12\xec\xca7\xbc\x1fS\x1c\x05y\x91\xe5\x9aL\xa9u\b\x00\x00\x00\xa0pC\x19\x9b\vY\x186\xa4\xe7\x1eg{`\xfa\xf3n\x8fIj6f\xfb\x13-g\x19(a6\x18\xe24nz\x83w8\xff\xfb\x83\f\x9a\xda\xc5w\x8eo\x02\xa3\xc1\x83\x91\xc6\xfd\x8c\xc4s\x03\x16\xa4+\xce|^\x98K_0\x8a\xb0\xff~\x1e\xd92\xb4r\xd8\xe7', 0x40, 0x110, 0x0) program did not crash testing program (duration=48.09133401s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-fspick-fsconfig$FSCONFIG_SET_FLAG-fsconfig$FSCONFIG_CMD_RECONFIGURE-mq_open detailed listing: executing program 0: r0 = fsopen(&(0x7f0000000140)='mqueue\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) fchdir(r1) r2 = fspick(0xffffffffffffff9c, &(0x7f0000000000)='.\x00', 0x0) fsconfig$FSCONFIG_SET_FLAG(r2, 0x0, &(0x7f0000000040)='ro\x00', 0x0, 0x0) fsconfig$FSCONFIG_CMD_RECONFIGURE(r2, 0x7, 0x0, 0x0, 0x0) mq_open(0x0, 0x40, 0x110, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=48.09133401s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-fspick-fsconfig$FSCONFIG_SET_FLAG-fsconfig$FSCONFIG_CMD_RECONFIGURE-mq_open program crashed: general protection fault in fd_install simplifying C reproducer testing compiled C program (duration=48.09133401s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-fspick-fsconfig$FSCONFIG_SET_FLAG-fsconfig$FSCONFIG_CMD_RECONFIGURE-mq_open program crashed: general protection fault in fd_install testing compiled C program (duration=48.09133401s, {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}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-fspick-fsconfig$FSCONFIG_SET_FLAG-fsconfig$FSCONFIG_CMD_RECONFIGURE-mq_open program crashed: general protection fault in fd_install testing compiled C program (duration=48.09133401s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-fspick-fsconfig$FSCONFIG_SET_FLAG-fsconfig$FSCONFIG_CMD_RECONFIGURE-mq_open program crashed: general protection fault in fd_install testing compiled C program (duration=48.09133401s, {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}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-fspick-fsconfig$FSCONFIG_SET_FLAG-fsconfig$FSCONFIG_CMD_RECONFIGURE-mq_open program crashed: general protection fault in fd_install testing compiled C program (duration=48.09133401s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-fspick-fsconfig$FSCONFIG_SET_FLAG-fsconfig$FSCONFIG_CMD_RECONFIGURE-mq_open program crashed: general protection fault in fd_install testing compiled C program (duration=48.09133401s, {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}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-fspick-fsconfig$FSCONFIG_SET_FLAG-fsconfig$FSCONFIG_CMD_RECONFIGURE-mq_open program crashed: general protection fault in fd_install testing compiled C program (duration=48.09133401s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-fspick-fsconfig$FSCONFIG_SET_FLAG-fsconfig$FSCONFIG_CMD_RECONFIGURE-mq_open program crashed: general protection fault in fd_install testing program (duration=48.09133401s, {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}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-fspick-fsconfig$FSCONFIG_SET_FLAG-fsconfig$FSCONFIG_CMD_RECONFIGURE-mq_open detailed listing: executing program 0: r0 = fsopen(&(0x7f0000000140)='mqueue\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) fchdir(r1) r2 = fspick(0xffffffffffffff9c, &(0x7f0000000000)='.\x00', 0x0) fsconfig$FSCONFIG_SET_FLAG(r2, 0x0, &(0x7f0000000040)='ro\x00', 0x0, 0x0) fsconfig$FSCONFIG_CMD_RECONFIGURE(r2, 0x7, 0x0, 0x0, 0x0) mq_open(&(0x7f00000004c0)='!\x7f\x00\xca\x00\x00\x00\f\x00\x00\x01E!T\xednux\x02\xc7\x12\xec\xca7\xbc\x1fS\x1c\x05y\x91\xe5\x9aL\xa9u\b\x00\x00\x00\xa0pC\x19\x9b\vY\x186\xa4\xe7\x1eg{`\xfa\xf3n\x8fIj6f\xfb\x13-g\x19(a6\x18\xe24nz\x83w8\xff\xfb\x83\f\x9a\xda\xc5w\x8eo\x02\xa3\xc1\x83\x91\xc6\xfd\x8c\xc4s\x03\x16\xa4+\xce|^\x98K_0\x8a\xb0\xff~\x1e\xd92\xb4r\xd8\xe7', 0x40, 0x110, 0x0) program crashed: general protection fault in fd_install validation run: crashed=true testing program (duration=48.09133401s, {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}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-fspick-fsconfig$FSCONFIG_SET_FLAG-fsconfig$FSCONFIG_CMD_RECONFIGURE-mq_open detailed listing: executing program 0: r0 = fsopen(&(0x7f0000000140)='mqueue\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) fchdir(r1) r2 = fspick(0xffffffffffffff9c, &(0x7f0000000000)='.\x00', 0x0) fsconfig$FSCONFIG_SET_FLAG(r2, 0x0, &(0x7f0000000040)='ro\x00', 0x0, 0x0) fsconfig$FSCONFIG_CMD_RECONFIGURE(r2, 0x7, 0x0, 0x0, 0x0) mq_open(&(0x7f00000004c0)='!\x7f\x00\xca\x00\x00\x00\f\x00\x00\x01E!T\xednux\x02\xc7\x12\xec\xca7\xbc\x1fS\x1c\x05y\x91\xe5\x9aL\xa9u\b\x00\x00\x00\xa0pC\x19\x9b\vY\x186\xa4\xe7\x1eg{`\xfa\xf3n\x8fIj6f\xfb\x13-g\x19(a6\x18\xe24nz\x83w8\xff\xfb\x83\f\x9a\xda\xc5w\x8eo\x02\xa3\xc1\x83\x91\xc6\xfd\x8c\xc4s\x03\x16\xa4+\xce|^\x98K_0\x8a\xb0\xff~\x1e\xd92\xb4r\xd8\xe7', 0x40, 0x110, 0x0) program crashed: general protection fault in fd_install validation run: crashed=true testing program (duration=48.09133401s, {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}}): fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-fspick-fsconfig$FSCONFIG_SET_FLAG-fsconfig$FSCONFIG_CMD_RECONFIGURE-mq_open detailed listing: executing program 0: r0 = fsopen(&(0x7f0000000140)='mqueue\x00', 0x0) fsconfig$FSCONFIG_CMD_CREATE(r0, 0x6, 0x0, 0x0, 0x0) r1 = fsmount(r0, 0x0, 0x0) fchdir(r1) r2 = fspick(0xffffffffffffff9c, &(0x7f0000000000)='.\x00', 0x0) fsconfig$FSCONFIG_SET_FLAG(r2, 0x0, &(0x7f0000000040)='ro\x00', 0x0, 0x0) fsconfig$FSCONFIG_CMD_RECONFIGURE(r2, 0x7, 0x0, 0x0, 0x0) mq_open(&(0x7f00000004c0)='!\x7f\x00\xca\x00\x00\x00\f\x00\x00\x01E!T\xednux\x02\xc7\x12\xec\xca7\xbc\x1fS\x1c\x05y\x91\xe5\x9aL\xa9u\b\x00\x00\x00\xa0pC\x19\x9b\vY\x186\xa4\xe7\x1eg{`\xfa\xf3n\x8fIj6f\xfb\x13-g\x19(a6\x18\xe24nz\x83w8\xff\xfb\x83\f\x9a\xda\xc5w\x8eo\x02\xa3\xc1\x83\x91\xc6\xfd\x8c\xc4s\x03\x16\xa4+\xce|^\x98K_0\x8a\xb0\xff~\x1e\xd92\xb4r\xd8\xe7', 0x40, 0x110, 0x0) program crashed: general protection fault in fd_install validation run: crashed=true reproducing took 33m46.218782122s repro crashed as (corrupted=false): Oops: general protection fault, probably for non-canonical address 0xdffffc0000000008: 0000 [#1] SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047] CPU: 0 UID: 0 PID: 5986 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:fd_install+0x57/0x3d0 fs/file.c:685 Code: 48 81 c3 48 09 00 00 48 89 d8 48 c1 e8 03 80 3c 28 00 74 08 48 89 df e8 27 bf e5 ff 4c 8b 3b 49 8d 5e 40 48 89 d8 48 c1 e8 03 <0f> b6 04 28 84 c0 0f 85 29 03 00 00 8b 1b 89 de 81 e6 00 00 00 01 RSP: 0018:ffffc90003b57ca0 EFLAGS: 00010202 RAX: 0000000000000008 RBX: 0000000000000041 RCX: ffff88807bb68000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000006 RBP: dffffc0000000000 R08: ffff88807c442c7b R09: 1ffff1100f88858f R10: dffffc0000000000 R11: ffffed100f888590 R12: 0000000000000006 R13: 0000000000000006 R14: 0000000000000001 R15: ffff8880345d2940 FS: 0000555555fac500(0000) GS:ffff8881259ed000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30063fff CR3: 0000000027a3e000 CR4: 00000000003526f0 Call Trace: do_mq_open+0x5a0/0x770 ipc/mqueue.c:926 __do_sys_mq_open ipc/mqueue.c:939 [inline] __se_sys_mq_open ipc/mqueue.c:932 [inline] __x64_sys_mq_open+0x16a/0x1c0 ipc/mqueue.c:932 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9d8c18f749 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:00007ffec547a1e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000f0 RAX: ffffffffffffffda RBX: 00007f9d8c3e5fa0 RCX: 00007f9d8c18f749 RDX: 0000000000000110 RSI: 0000000000000040 RDI: 00002000000004c0 RBP: 00007f9d8c213f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f9d8c3e5fa0 R14: 00007f9d8c3e5fa0 R15: 0000000000000004 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:fd_install+0x57/0x3d0 fs/file.c:685 Code: 48 81 c3 48 09 00 00 48 89 d8 48 c1 e8 03 80 3c 28 00 74 08 48 89 df e8 27 bf e5 ff 4c 8b 3b 49 8d 5e 40 48 89 d8 48 c1 e8 03 <0f> b6 04 28 84 c0 0f 85 29 03 00 00 8b 1b 89 de 81 e6 00 00 00 01 RSP: 0018:ffffc90003b57ca0 EFLAGS: 00010202 RAX: 0000000000000008 RBX: 0000000000000041 RCX: ffff88807bb68000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000006 RBP: dffffc0000000000 R08: ffff88807c442c7b R09: 1ffff1100f88858f R10: dffffc0000000000 R11: ffffed100f888590 R12: 0000000000000006 R13: 0000000000000006 R14: 0000000000000001 R15: ffff8880345d2940 FS: 0000555555fac500(0000) GS:ffff888125aed000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c00011bc00 CR3: 0000000027a3e000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess): 0: 48 81 c3 48 09 00 00 add $0x948,%rbx 7: 48 89 d8 mov %rbx,%rax a: 48 c1 e8 03 shr $0x3,%rax e: 80 3c 28 00 cmpb $0x0,(%rax,%rbp,1) 12: 74 08 je 0x1c 14: 48 89 df mov %rbx,%rdi 17: e8 27 bf e5 ff call 0xffe5bf43 1c: 4c 8b 3b mov (%rbx),%r15 1f: 49 8d 5e 40 lea 0x40(%r14),%rbx 23: 48 89 d8 mov %rbx,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 0f b6 04 28 movzbl (%rax,%rbp,1),%eax <-- trapping instruction 2e: 84 c0 test %al,%al 30: 0f 85 29 03 00 00 jne 0x35f 36: 8b 1b mov (%rbx),%ebx 38: 89 de mov %ebx,%esi 3a: 81 e6 00 00 00 01 and $0x1000000,%esi final repro crashed as (corrupted=false): Oops: general protection fault, probably for non-canonical address 0xdffffc0000000008: 0000 [#1] SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000040-0x0000000000000047] CPU: 0 UID: 0 PID: 5986 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:fd_install+0x57/0x3d0 fs/file.c:685 Code: 48 81 c3 48 09 00 00 48 89 d8 48 c1 e8 03 80 3c 28 00 74 08 48 89 df e8 27 bf e5 ff 4c 8b 3b 49 8d 5e 40 48 89 d8 48 c1 e8 03 <0f> b6 04 28 84 c0 0f 85 29 03 00 00 8b 1b 89 de 81 e6 00 00 00 01 RSP: 0018:ffffc90003b57ca0 EFLAGS: 00010202 RAX: 0000000000000008 RBX: 0000000000000041 RCX: ffff88807bb68000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000006 RBP: dffffc0000000000 R08: ffff88807c442c7b R09: 1ffff1100f88858f R10: dffffc0000000000 R11: ffffed100f888590 R12: 0000000000000006 R13: 0000000000000006 R14: 0000000000000001 R15: ffff8880345d2940 FS: 0000555555fac500(0000) GS:ffff8881259ed000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30063fff CR3: 0000000027a3e000 CR4: 00000000003526f0 Call Trace: do_mq_open+0x5a0/0x770 ipc/mqueue.c:926 __do_sys_mq_open ipc/mqueue.c:939 [inline] __se_sys_mq_open ipc/mqueue.c:932 [inline] __x64_sys_mq_open+0x16a/0x1c0 ipc/mqueue.c:932 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f9d8c18f749 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:00007ffec547a1e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000f0 RAX: ffffffffffffffda RBX: 00007f9d8c3e5fa0 RCX: 00007f9d8c18f749 RDX: 0000000000000110 RSI: 0000000000000040 RDI: 00002000000004c0 RBP: 00007f9d8c213f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f9d8c3e5fa0 R14: 00007f9d8c3e5fa0 R15: 0000000000000004 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:fd_install+0x57/0x3d0 fs/file.c:685 Code: 48 81 c3 48 09 00 00 48 89 d8 48 c1 e8 03 80 3c 28 00 74 08 48 89 df e8 27 bf e5 ff 4c 8b 3b 49 8d 5e 40 48 89 d8 48 c1 e8 03 <0f> b6 04 28 84 c0 0f 85 29 03 00 00 8b 1b 89 de 81 e6 00 00 00 01 RSP: 0018:ffffc90003b57ca0 EFLAGS: 00010202 RAX: 0000000000000008 RBX: 0000000000000041 RCX: ffff88807bb68000 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000006 RBP: dffffc0000000000 R08: ffff88807c442c7b R09: 1ffff1100f88858f R10: dffffc0000000000 R11: ffffed100f888590 R12: 0000000000000006 R13: 0000000000000006 R14: 0000000000000001 R15: ffff8880345d2940 FS: 0000555555fac500(0000) GS:ffff888125aed000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c00011bc00 CR3: 0000000027a3e000 CR4: 00000000003526f0 ---------------- Code disassembly (best guess): 0: 48 81 c3 48 09 00 00 add $0x948,%rbx 7: 48 89 d8 mov %rbx,%rax a: 48 c1 e8 03 shr $0x3,%rax e: 80 3c 28 00 cmpb $0x0,(%rax,%rbp,1) 12: 74 08 je 0x1c 14: 48 89 df mov %rbx,%rdi 17: e8 27 bf e5 ff call 0xffe5bf43 1c: 4c 8b 3b mov (%rbx),%r15 1f: 49 8d 5e 40 lea 0x40(%r14),%rbx 23: 48 89 d8 mov %rbx,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 0f b6 04 28 movzbl (%rax,%rbp,1),%eax <-- trapping instruction 2e: 84 c0 test %al,%al 30: 0f 85 29 03 00 00 jne 0x35f 36: 8b 1b mov (%rbx),%ebx 38: 89 de mov %ebx,%esi 3a: 81 e6 00 00 00 01 and $0x1000000,%esi