Extracting prog: 5m7.751870524s Minimizing prog: 1h46m28.461628948s Simplifying prog options: 0s Extracting C: 39.056152508s Simplifying C: 25m36.789052858s 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:6 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}}): syz_open_dev$vbi-openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH-ioctl$TIOCSETD-ioctl$TIOCSTI-prlimit64-sched_setscheduler-sched_setaffinity-syz_open_dev$MSR-read$msr-socketpair$unix detailed listing: executing program 0: syz_open_dev$vbi(0x0, 0x1, 0x2) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000000c0)=0xf) ioctl$TCFLSH(r0, 0x400455c8, 0x1000000000000002) ioctl$TIOCSETD(0xffffffffffffffff, 0x5412, 0x0) ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000180)) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) sched_setaffinity(0x0, 0x0, 0x0) r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8) socketpair$unix(0x1, 0x1, 0x0, 0x0) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 1m40s testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): syz_open_dev$vbi-openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH-ioctl$TIOCSETD-ioctl$TIOCSTI-prlimit64-sched_setscheduler-sched_setaffinity-syz_open_dev$MSR-read$msr-socketpair$unix detailed listing: executing program 0: syz_open_dev$vbi(0x0, 0x1, 0x2) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000000c0)=0xf) ioctl$TCFLSH(r0, 0x400455c8, 0x1000000000000002) ioctl$TIOCSETD(0xffffffffffffffff, 0x5412, 0x0) ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000180)) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) sched_setaffinity(0x0, 0x0, 0x0) r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8) socketpair$unix(0x1, 0x1, 0x0, 0x0) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): syz_open_dev$vbi-openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH-ioctl$TIOCSETD-ioctl$TIOCSTI-prlimit64-sched_setscheduler-sched_setaffinity-syz_open_dev$MSR-read$msr-socketpair$unix detailed listing: executing program 0: syz_open_dev$vbi(0x0, 0x1, 0x2) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000000c0)=0xf) ioctl$TCFLSH(r0, 0x400455c8, 0x1000000000000002) ioctl$TIOCSETD(0xffffffffffffffff, 0x5412, 0x0) ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000180)) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) sched_setaffinity(0x0, 0x0, 0x0) r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8) socketpair$unix(0x1, 0x1, 0x0, 0x0) program crashed: general protection fault in h5_recv single: successfully extracted reproducer found reproducer with 12 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): syz_open_dev$vbi-openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH-ioctl$TIOCSETD-ioctl$TIOCSTI-prlimit64-sched_setscheduler-sched_setaffinity-syz_open_dev$MSR-read$msr detailed listing: executing program 0: syz_open_dev$vbi(0x0, 0x1, 0x2) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000000c0)=0xf) ioctl$TCFLSH(r0, 0x400455c8, 0x1000000000000002) ioctl$TIOCSETD(0xffffffffffffffff, 0x5412, 0x0) ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000180)) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) sched_setaffinity(0x0, 0x0, 0x0) r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8) program crashed: general protection fault in h5_recv testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): syz_open_dev$vbi-openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH-ioctl$TIOCSETD-ioctl$TIOCSTI-prlimit64-sched_setscheduler-sched_setaffinity-syz_open_dev$MSR detailed listing: executing program 0: syz_open_dev$vbi(0x0, 0x1, 0x2) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000000c0)=0xf) ioctl$TCFLSH(r0, 0x400455c8, 0x1000000000000002) ioctl$TIOCSETD(0xffffffffffffffff, 0x5412, 0x0) ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000180)) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) sched_setaffinity(0x0, 0x0, 0x0) syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): syz_open_dev$vbi-openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH-ioctl$TIOCSETD-ioctl$TIOCSTI-prlimit64-sched_setscheduler-sched_setaffinity-read$msr detailed listing: executing program 0: syz_open_dev$vbi(0x0, 0x1, 0x2) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000000c0)=0xf) ioctl$TCFLSH(r0, 0x400455c8, 0x1000000000000002) ioctl$TIOCSETD(0xffffffffffffffff, 0x5412, 0x0) ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000180)) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) sched_setaffinity(0x0, 0x0, 0x0) read$msr(0xffffffffffffffff, &(0x7f0000019680)=""/102392, 0x18ff8) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): syz_open_dev$vbi-openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH-ioctl$TIOCSETD-ioctl$TIOCSTI-prlimit64-sched_setscheduler-syz_open_dev$MSR-read$msr detailed listing: executing program 0: syz_open_dev$vbi(0x0, 0x1, 0x2) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000000c0)=0xf) ioctl$TCFLSH(r0, 0x400455c8, 0x1000000000000002) ioctl$TIOCSETD(0xffffffffffffffff, 0x5412, 0x0) ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000180)) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8) program crashed: general protection fault in h5_recv testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): syz_open_dev$vbi-openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH-ioctl$TIOCSETD-ioctl$TIOCSTI-prlimit64-syz_open_dev$MSR-read$msr detailed listing: executing program 0: syz_open_dev$vbi(0x0, 0x1, 0x2) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000000c0)=0xf) ioctl$TCFLSH(r0, 0x400455c8, 0x1000000000000002) ioctl$TIOCSETD(0xffffffffffffffff, 0x5412, 0x0) ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000180)) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): syz_open_dev$vbi-openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH-ioctl$TIOCSETD-ioctl$TIOCSTI-sched_setscheduler-syz_open_dev$MSR-read$msr detailed listing: executing program 0: syz_open_dev$vbi(0x0, 0x1, 0x2) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000000c0)=0xf) ioctl$TCFLSH(r0, 0x400455c8, 0x1000000000000002) ioctl$TIOCSETD(0xffffffffffffffff, 0x5412, 0x0) ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000180)) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): syz_open_dev$vbi-openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH-ioctl$TIOCSETD-prlimit64-sched_setscheduler-syz_open_dev$MSR-read$msr detailed listing: executing program 0: syz_open_dev$vbi(0x0, 0x1, 0x2) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000000c0)=0xf) ioctl$TCFLSH(r0, 0x400455c8, 0x1000000000000002) ioctl$TIOCSETD(0xffffffffffffffff, 0x5412, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): syz_open_dev$vbi-openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH-ioctl$TIOCSTI-prlimit64-sched_setscheduler-syz_open_dev$MSR-read$msr detailed listing: executing program 0: syz_open_dev$vbi(0x0, 0x1, 0x2) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000000c0)=0xf) ioctl$TCFLSH(r0, 0x400455c8, 0x1000000000000002) ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000180)) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8) program crashed: general protection fault in h5_recv testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): syz_open_dev$vbi-openat$ptmx-ioctl$TIOCSETD-ioctl$TIOCSTI-prlimit64-sched_setscheduler-syz_open_dev$MSR-read$msr detailed listing: executing program 0: syz_open_dev$vbi(0x0, 0x1, 0x2) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000000c0)=0xf) ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000180)) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): syz_open_dev$vbi-openat$ptmx-ioctl$TCFLSH-ioctl$TIOCSTI-prlimit64-sched_setscheduler-syz_open_dev$MSR-read$msr detailed listing: executing program 0: syz_open_dev$vbi(0x0, 0x1, 0x2) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TCFLSH(r0, 0x400455c8, 0x1000000000000002) ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000180)) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): syz_open_dev$vbi-ioctl$TIOCSETD-ioctl$TCFLSH-ioctl$TIOCSTI-prlimit64-sched_setscheduler-syz_open_dev$MSR-read$msr detailed listing: executing program 0: syz_open_dev$vbi(0x0, 0x1, 0x2) ioctl$TIOCSETD(0xffffffffffffffff, 0x5423, &(0x7f00000000c0)=0xf) ioctl$TCFLSH(0xffffffffffffffff, 0x400455c8, 0x1000000000000002) ioctl$TIOCSTI(0xffffffffffffffff, 0x5412, &(0x7f0000000180)) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) r0 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r0, &(0x7f0000019680)=""/102392, 0x18ff8) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH-ioctl$TIOCSTI-prlimit64-sched_setscheduler-syz_open_dev$MSR-read$msr detailed listing: executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000000c0)=0xf) ioctl$TCFLSH(r0, 0x400455c8, 0x1000000000000002) ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000180)) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8) program crashed: general protection fault in h5_recv testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH-ioctl$TIOCSTI-prlimit64-sched_setscheduler-syz_open_dev$MSR-read$msr detailed listing: executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000000c0)=0xf) ioctl$TCFLSH(r0, 0x400455c8, 0x1000000000000002) ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000180)) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH-ioctl$TIOCSTI-prlimit64-sched_setscheduler-syz_open_dev$MSR-read$msr detailed listing: executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, 0x0) ioctl$TCFLSH(r0, 0x400455c8, 0x1000000000000002) ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000180)) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH-ioctl$TIOCSTI-prlimit64-sched_setscheduler-syz_open_dev$MSR-read$msr detailed listing: executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000000c0)=0xf) ioctl$TCFLSH(r0, 0x400455c8, 0x1000000000000002) ioctl$TIOCSTI(r0, 0x5412, 0x0) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH-ioctl$TIOCSTI-prlimit64-sched_setscheduler-syz_open_dev$MSR-read$msr detailed listing: executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000000c0)=0xf) ioctl$TCFLSH(r0, 0x400455c8, 0x1000000000000002) ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000180)) prlimit64(0x0, 0xe, 0x0, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH-ioctl$TIOCSTI-prlimit64-sched_setscheduler-syz_open_dev$MSR-read$msr detailed listing: executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000000c0)=0xf) ioctl$TCFLSH(r0, 0x400455c8, 0x1000000000000002) ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000180)) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, 0x0) r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH-ioctl$TIOCSTI-prlimit64-sched_setscheduler-syz_open_dev$MSR-read$msr detailed listing: executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000000c0)=0xf) ioctl$TCFLSH(r0, 0x400455c8, 0x1000000000000002) ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000180)) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) r1 = syz_open_dev$MSR(0x0, 0x0, 0x0) read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH-ioctl$TIOCSTI-prlimit64-sched_setscheduler-syz_open_dev$MSR-read$msr detailed listing: executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000000c0)=0xf) ioctl$TCFLSH(r0, 0x400455c8, 0x1000000000000002) ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000180)) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r1, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH-ioctl$TIOCSTI-prlimit64-sched_setscheduler-syz_open_dev$MSR-read$msr program crashed: general protection fault in h5_recv simplifying C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 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}}): openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH-ioctl$TIOCSTI-prlimit64-sched_setscheduler-syz_open_dev$MSR-read$msr program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH-ioctl$TIOCSTI-prlimit64-sched_setscheduler-syz_open_dev$MSR-read$msr program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH-ioctl$TIOCSTI-prlimit64-sched_setscheduler-syz_open_dev$MSR-read$msr program crashed: general protection fault in h5_recv testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH-ioctl$TIOCSTI-prlimit64-sched_setscheduler-syz_open_dev$MSR-read$msr program crashed: general protection fault in h5_recv testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH-ioctl$TIOCSTI-prlimit64-sched_setscheduler-syz_open_dev$MSR-read$msr program crashed: general protection fault in h5_recv testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH-ioctl$TIOCSTI-prlimit64-sched_setscheduler-syz_open_dev$MSR-read$msr program crashed: general protection fault in h5_recv testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH-ioctl$TIOCSTI-prlimit64-sched_setscheduler-syz_open_dev$MSR-read$msr program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH-ioctl$TIOCSTI-prlimit64-sched_setscheduler-syz_open_dev$MSR-read$msr detailed listing: executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000000c0)=0xf) ioctl$TCFLSH(r0, 0x400455c8, 0x1000000000000002) ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000180)) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8) program crashed: general protection fault in h5_recv validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH-ioctl$TIOCSTI-prlimit64-sched_setscheduler-syz_open_dev$MSR-read$msr detailed listing: executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000000c0)=0xf) ioctl$TCFLSH(r0, 0x400455c8, 0x1000000000000002) ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000180)) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8) program crashed: general protection fault in h5_recv validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): openat$ptmx-ioctl$TIOCSETD-ioctl$TCFLSH-ioctl$TIOCSTI-prlimit64-sched_setscheduler-syz_open_dev$MSR-read$msr detailed listing: executing program 0: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$TIOCSETD(r0, 0x5423, &(0x7f00000000c0)=0xf) ioctl$TCFLSH(r0, 0x400455c8, 0x1000000000000002) ioctl$TIOCSTI(r0, 0x5412, &(0x7f0000000180)) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x6) r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0) read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8) program crashed: general protection fault in h5_recv validation run: crashed=true reproducing took 2h24m45.141597036s repro crashed as (corrupted=false): Oops: general protection fault, probably for non-canonical address 0xdffffc000000005f: 0000 [#1] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x00000000000002f8-0x00000000000002ff] CPU: 0 UID: 0 PID: 5818 Comm: syz.3.79 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:h5_recv+0x146/0x910 drivers/bluetooth/hci_h5.c:572 Code: 18 48 c1 ea 03 48 89 54 24 28 48 89 d8 48 c1 e8 03 48 89 44 24 50 44 89 64 24 14 48 b8 00 00 00 00 00 fc ff df 48 8b 4c 24 30 <80> 3c 01 00 74 08 4c 89 ef e8 ac 9e ec f9 4d 8b 65 00 31 ff 4c 89 RSP: 0018:ffffc9000d75fc20 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 00000000000002e8 RCX: 000000000000005f RDX: 000000000000005e RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc9000d75fd40 R08: ffff88804d48e01f R09: 1ffff11009a91c03 R10: dffffc0000000000 R11: ffffffff883af260 R12: 0000000000000001 R13: 00000000000002f8 R14: ffff88804d48e010 R15: ffffc9000d75fde0 FS: 00007f3eb56836c0(0000) GS:ffff88808d2fb000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3eb5682fc8 CR3: 000000004c9a1000 CR4: 0000000000352ef0 Call Trace: hci_uart_tty_receive+0x194/0x220 drivers/bluetooth/hci_ldisc.c:627 tiocsti+0x23c/0x2c0 drivers/tty/tty_io.c:2290 tty_ioctl+0x626/0xde0 drivers/tty/tty_io.c:2706 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3eb478efc9 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:00007f3eb5683038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f3eb49e6090 RCX: 00007f3eb478efc9 RDX: 0000200000000180 RSI: 0000000000005412 RDI: 0000000000000003 RBP: 00007f3eb4811f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f3eb49e6128 R14: 00007f3eb49e6090 R15: 00007fffb56402a8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:h5_recv+0x146/0x910 drivers/bluetooth/hci_h5.c:572 Code: 18 48 c1 ea 03 48 89 54 24 28 48 89 d8 48 c1 e8 03 48 89 44 24 50 44 89 64 24 14 48 b8 00 00 00 00 00 fc ff df 48 8b 4c 24 30 <80> 3c 01 00 74 08 4c 89 ef e8 ac 9e ec f9 4d 8b 65 00 31 ff 4c 89 RSP: 0018:ffffc9000d75fc20 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 00000000000002e8 RCX: 000000000000005f RDX: 000000000000005e RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc9000d75fd40 R08: ffff88804d48e01f R09: 1ffff11009a91c03 R10: dffffc0000000000 R11: ffffffff883af260 R12: 0000000000000001 R13: 00000000000002f8 R14: ffff88804d48e010 R15: ffffc9000d75fde0 FS: 00007f3eb56836c0(0000) GS:ffff88808d2fb000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa87a9b12f8 CR3: 000000004c9a1000 CR4: 0000000000352ef0 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 48 c1 ea 03 shr $0x3,%rdx 4: 48 89 54 24 28 mov %rdx,0x28(%rsp) 9: 48 89 d8 mov %rbx,%rax c: 48 c1 e8 03 shr $0x3,%rax 10: 48 89 44 24 50 mov %rax,0x50(%rsp) 15: 44 89 64 24 14 mov %r12d,0x14(%rsp) 1a: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 21: fc ff df 24: 48 8b 4c 24 30 mov 0x30(%rsp),%rcx * 29: 80 3c 01 00 cmpb $0x0,(%rcx,%rax,1) <-- trapping instruction 2d: 74 08 je 0x37 2f: 4c 89 ef mov %r13,%rdi 32: e8 ac 9e ec f9 call 0xf9ec9ee3 37: 4d 8b 65 00 mov 0x0(%r13),%r12 3b: 31 ff xor %edi,%edi 3d: 4c rex.WR 3e: 89 .byte 0x89 final repro crashed as (corrupted=false): Oops: general protection fault, probably for non-canonical address 0xdffffc000000005f: 0000 [#1] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x00000000000002f8-0x00000000000002ff] CPU: 0 UID: 0 PID: 5818 Comm: syz.3.79 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:h5_recv+0x146/0x910 drivers/bluetooth/hci_h5.c:572 Code: 18 48 c1 ea 03 48 89 54 24 28 48 89 d8 48 c1 e8 03 48 89 44 24 50 44 89 64 24 14 48 b8 00 00 00 00 00 fc ff df 48 8b 4c 24 30 <80> 3c 01 00 74 08 4c 89 ef e8 ac 9e ec f9 4d 8b 65 00 31 ff 4c 89 RSP: 0018:ffffc9000d75fc20 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 00000000000002e8 RCX: 000000000000005f RDX: 000000000000005e RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc9000d75fd40 R08: ffff88804d48e01f R09: 1ffff11009a91c03 R10: dffffc0000000000 R11: ffffffff883af260 R12: 0000000000000001 R13: 00000000000002f8 R14: ffff88804d48e010 R15: ffffc9000d75fde0 FS: 00007f3eb56836c0(0000) GS:ffff88808d2fb000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3eb5682fc8 CR3: 000000004c9a1000 CR4: 0000000000352ef0 Call Trace: hci_uart_tty_receive+0x194/0x220 drivers/bluetooth/hci_ldisc.c:627 tiocsti+0x23c/0x2c0 drivers/tty/tty_io.c:2290 tty_ioctl+0x626/0xde0 drivers/tty/tty_io.c:2706 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3eb478efc9 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:00007f3eb5683038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f3eb49e6090 RCX: 00007f3eb478efc9 RDX: 0000200000000180 RSI: 0000000000005412 RDI: 0000000000000003 RBP: 00007f3eb4811f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f3eb49e6128 R14: 00007f3eb49e6090 R15: 00007fffb56402a8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:h5_recv+0x146/0x910 drivers/bluetooth/hci_h5.c:572 Code: 18 48 c1 ea 03 48 89 54 24 28 48 89 d8 48 c1 e8 03 48 89 44 24 50 44 89 64 24 14 48 b8 00 00 00 00 00 fc ff df 48 8b 4c 24 30 <80> 3c 01 00 74 08 4c 89 ef e8 ac 9e ec f9 4d 8b 65 00 31 ff 4c 89 RSP: 0018:ffffc9000d75fc20 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: 00000000000002e8 RCX: 000000000000005f RDX: 000000000000005e RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc9000d75fd40 R08: ffff88804d48e01f R09: 1ffff11009a91c03 R10: dffffc0000000000 R11: ffffffff883af260 R12: 0000000000000001 R13: 00000000000002f8 R14: ffff88804d48e010 R15: ffffc9000d75fde0 FS: 00007f3eb56836c0(0000) GS:ffff88808d2fb000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa87a9b12f8 CR3: 000000004c9a1000 CR4: 0000000000352ef0 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 48 c1 ea 03 shr $0x3,%rdx 4: 48 89 54 24 28 mov %rdx,0x28(%rsp) 9: 48 89 d8 mov %rbx,%rax c: 48 c1 e8 03 shr $0x3,%rax 10: 48 89 44 24 50 mov %rax,0x50(%rsp) 15: 44 89 64 24 14 mov %r12d,0x14(%rsp) 1a: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 21: fc ff df 24: 48 8b 4c 24 30 mov 0x30(%rsp),%rcx * 29: 80 3c 01 00 cmpb $0x0,(%rcx,%rax,1) <-- trapping instruction 2d: 74 08 je 0x37 2f: 4c 89 ef mov %r13,%rdi 32: e8 ac 9e ec f9 call 0xf9ec9ee3 37: 4d 8b 65 00 mov 0x0(%r13),%r12 3b: 31 ff xor %edi,%edi 3d: 4c rex.WR 3e: 89 .byte 0x89