Extracting prog: 1m28.118260067s Minimizing prog: 9m59.396267032s Simplifying prog options: 0s Extracting C: 1m4.948275458s Simplifying C: 14m13.061393483s 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}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KIOCSOUND-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB="120100007516b7108c0d0e008f8e0018030109021b0001000000000904080001030000000905", @ANYBLOB="8f", @ANYBLOB="f38e"], 0x0) r1 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KIOCSOUND(r1, 0x4b2f, 0x531) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) program crashed: WARNING in cm109_urb_irq_callback/usb_submit_urb single: successfully extracted reproducer found reproducer with 5 syscalls minimizing guilty program testing program (duration=53.491660452s, {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}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KIOCSOUND-syz_usb_control_io$cdc_ecm detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB="120100007516b7108c0d0e008f8e0018030109021b0001000000000904080001030000000905", @ANYBLOB="8f", @ANYBLOB="f38e"], 0x0) r1 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KIOCSOUND(r1, 0x4b2f, 0x531) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) program did not crash testing program (duration=53.491660452s, {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}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KIOCSOUND-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB="120100007516b7108c0d0e008f8e0018030109021b0001000000000904080001030000000905", @ANYBLOB="8f", @ANYBLOB="f38e"], 0x0) r1 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KIOCSOUND(r1, 0x4b2f, 0x531) syz_usb_control_io$hid(r0, 0x0, 0x0) program did not crash testing program (duration=53.491660452s, {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}}): syz_usb_connect-syz_open_dev$tty1-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB="120100007516b7108c0d0e008f8e0018030109021b0001000000000904080001030000000905", @ANYBLOB="8f", @ANYBLOB="f38e"], 0x0) syz_open_dev$tty1(0xc, 0x4, 0x1) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) program did not crash testing program (duration=53.491660452s, {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}}): syz_usb_connect-ioctl$KIOCSOUND-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB="120100007516b7108c0d0e008f8e0018030109021b0001000000000904080001030000000905", @ANYBLOB="8f", @ANYBLOB="f38e"], 0x0) ioctl$KIOCSOUND(0xffffffffffffffff, 0x4b2f, 0x531) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) program did not crash testing program (duration=53.491660452s, {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}}): syz_open_dev$tty1-ioctl$KIOCSOUND-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KIOCSOUND(r0, 0x4b2f, 0x531) syz_usb_control_io$cdc_ecm(0xffffffffffffffff, 0x0, 0x0) syz_usb_control_io$hid(0xffffffffffffffff, 0x0, 0x0) program did not crash testing program (duration=53.491660452s, {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}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KIOCSOUND-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2d, 0x0, 0x0) r1 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KIOCSOUND(r1, 0x4b2f, 0x531) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) program did not crash testing program (duration=53.491660452s, {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}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KIOCSOUND-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000040)=ANY=[], 0x0) r1 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KIOCSOUND(r1, 0x4b2f, 0x531) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) program did not crash testing program (duration=53.491660452s, {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}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KIOCSOUND-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB="120100007516b7108c0d0e008f8e0018030109021b0001000000000904080001030000000905", @ANYBLOB="8f", @ANYBLOB], 0x0) r1 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KIOCSOUND(r1, 0x4b2f, 0x531) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) program did not crash testing program (duration=53.491660452s, {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}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KIOCSOUND-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB="120100007516b7108c0d0e008f8e0018030109021b0001000000000904080001030000000905", @ANYBLOB, @ANYBLOB="f38e"], 0x0) r1 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KIOCSOUND(r1, 0x4b2f, 0x531) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) program did not crash testing program (duration=53.491660452s, {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}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KIOCSOUND-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB, @ANYBLOB="8f", @ANYBLOB="f38e"], 0x0) r1 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KIOCSOUND(r1, 0x4b2f, 0x531) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=53.491660452s, {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}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KIOCSOUND-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid program crashed: WARNING in cm109_urb_irq_callback/usb_submit_urb simplifying C reproducer testing compiled C program (duration=53.491660452s, {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}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KIOCSOUND-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid program crashed: WARNING in cm109_urb_irq_callback/usb_submit_urb testing compiled C program (duration=53.491660452s, {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}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KIOCSOUND-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid program did not crash testing compiled C program (duration=53.491660452s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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_usb_connect-syz_open_dev$tty1-ioctl$KIOCSOUND-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid program did not crash testing compiled C program (duration=53.491660452s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KIOCSOUND-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid program did not crash testing compiled C program (duration=53.491660452s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KIOCSOUND-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid program crashed: WARNING in cm109_urb_irq_callback/usb_submit_urb testing compiled C program (duration=53.491660452s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KIOCSOUND-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid program crashed: WARNING in cm109_urb_irq_callback/usb_submit_urb testing compiled C program (duration=53.491660452s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KIOCSOUND-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid program crashed: WARNING in cm109_urb_irq_callback/usb_submit_urb testing compiled C program (duration=53.491660452s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KIOCSOUND-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid program crashed: WARNING in cm109_urb_irq_callback/usb_submit_urb testing compiled C program (duration=53.491660452s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KIOCSOUND-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid program crashed: WARNING in cm109_urb_irq_callback/usb_submit_urb testing compiled C program (duration=53.491660452s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KIOCSOUND-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid program crashed: WARNING in cm109_urb_irq_callback/usb_submit_urb testing compiled C program (duration=53.491660452s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KIOCSOUND-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid program crashed: WARNING in cm109_urb_irq_callback/usb_submit_urb testing compiled C program (duration=53.491660452s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KIOCSOUND-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid program crashed: WARNING in cm109_urb_irq_callback/usb_submit_urb testing compiled C program (duration=53.491660452s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KIOCSOUND-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid program crashed: WARNING in cm109_urb_irq_callback/usb_submit_urb testing compiled C program (duration=53.491660452s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KIOCSOUND-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid program did not crash testing compiled C program (duration=53.491660452s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KIOCSOUND-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid program did not crash testing compiled C program (duration=53.491660452s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KIOCSOUND-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid program crashed: WARNING in cm109_urb_irq_callback/usb_submit_urb testing compiled C program (duration=53.491660452s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KIOCSOUND-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid program crashed: WARNING in cm109_urb_irq_callback/usb_submit_urb testing program (duration=53.491660452s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KIOCSOUND-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB="120100007516b7108c0d0e008f8e0018030109021b0001000000000904080001030000000905", @ANYBLOB="8f", @ANYBLOB="f38e"], 0x0) r1 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KIOCSOUND(r1, 0x4b2f, 0x531) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) program did not crash validation run: crashed=false testing program (duration=53.491660452s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KIOCSOUND-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB="120100007516b7108c0d0e008f8e0018030109021b0001000000000904080001030000000905", @ANYBLOB="8f", @ANYBLOB="f38e"], 0x0) r1 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KIOCSOUND(r1, 0x4b2f, 0x531) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) program crashed: WARNING in cm109_urb_irq_callback/usb_submit_urb validation run: crashed=true testing program (duration=53.491660452s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KIOCSOUND-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB="120100007516b7108c0d0e008f8e0018030109021b0001000000000904080001030000000905", @ANYBLOB="8f", @ANYBLOB="f38e"], 0x0) r1 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KIOCSOUND(r1, 0x4b2f, 0x531) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) program did not crash validation run: crashed=false testing program (duration=53.491660452s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KIOCSOUND-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB="120100007516b7108c0d0e008f8e0018030109021b0001000000000904080001030000000905", @ANYBLOB="8f", @ANYBLOB="f38e"], 0x0) r1 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KIOCSOUND(r1, 0x4b2f, 0x531) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) program crashed: WARNING in cm109_urb_irq_callback/usb_submit_urb validation run: crashed=true testing program (duration=53.491660452s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$tty1-ioctl$KIOCSOUND-syz_usb_control_io$cdc_ecm-syz_usb_control_io$hid detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2d, &(0x7f0000000040)=ANY=[@ANYBLOB="120100007516b7108c0d0e008f8e0018030109021b0001000000000904080001030000000905", @ANYBLOB="8f", @ANYBLOB="f38e"], 0x0) r1 = syz_open_dev$tty1(0xc, 0x4, 0x1) ioctl$KIOCSOUND(r1, 0x4b2f, 0x531) syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) program crashed: WARNING in cm109_urb_irq_callback/usb_submit_urb validation run: crashed=true reproducing took 30m59.861099825s repro crashed as (corrupted=false): cm109 6-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff888022cb2100 submitted while active WARNING: CPU: 0 PID: 6175 at drivers/usb/core/urb.c:380 usb_submit_urb+0x16f5/0x1990 drivers/usb/core/urb.c:380 Modules linked in: CPU: 0 UID: 0 PID: 6175 Comm: syz.1.22 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:usb_submit_urb+0x16f5/0x1990 drivers/usb/core/urb.c:380 Code: ff ff ff bb fe ff ff ff e9 c9 f1 ff ff e8 c3 00 b5 fa c6 05 1e c4 62 09 01 90 48 c7 c7 a0 16 50 8c 48 89 de e8 0c 34 73 fa 90 <0f> 0b 90 90 e9 a6 fe ff ff bb f8 ff ff ff e9 99 f1 ff ff c7 44 24 RSP: 0018:ffffc90000007a90 EFLAGS: 00010082 RAX: 0000000000000000 RBX: ffff888022cb2100 RCX: ffffffff817b1cd8 RDX: ffff8880256a2480 RSI: ffffffff817b1ce5 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001 R13: ffff88803af18857 R14: ffff8880544e8180 R15: 000000000000000f FS: 0000555584faf500(0000) GS:ffff8880d6a05000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f863fff CR3: 000000005565a000 CR4: 0000000000352ef0 Call Trace: cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline] cm109_urb_irq_callback+0x2ed/0xb80 drivers/input/misc/cm109.c:431 __usb_hcd_giveback_urb+0x38b/0x610 drivers/usb/core/hcd.c:1661 usb_hcd_giveback_urb+0x39b/0x450 drivers/usb/core/hcd.c:1745 dummy_timer+0x1809/0x3a00 drivers/usb/gadget/udc/dummy_hcd.c:1995 __run_hrtimer kernel/time/hrtimer.c:1777 [inline] __hrtimer_run_queues+0x202/0xad0 kernel/time/hrtimer.c:1841 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1858 handle_softirqs+0x219/0x8e0 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0x109/0x170 kernel/softirq.c:723 irq_exit_rcu+0x9/0x30 kernel/softirq.c:739 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1052 [inline] sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1052 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:__sanitizer_cov_trace_pc+0x41/0x70 kernel/kcov.c:217 Code: a9 00 01 ff 00 74 1d f6 c4 01 74 43 a9 00 00 0f 00 75 3c a9 00 00 f0 00 75 35 8b 82 7c 16 00 00 85 c0 74 2b 8b 82 58 16 00 00 <83> f8 02 75 20 48 8b 8a 60 16 00 00 8b 92 5c 16 00 00 48 8b 01 48 RSP: 0018:ffffc90003467968 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff888037b0a252 RCX: ffffffff8b5da7db RDX: ffff8880256a2480 RSI: ffffffff8b5da748 RDI: 0000000000000001 RBP: ffff888025d5bb21 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000063 R11: 0000000000000001 R12: 0000000000000063 R13: ffff888037b0aa1c R14: ffff888025d5bb00 R15: 0000000000000020 string_nocheck lib/vsprintf.c:657 [inline] string+0x208/0x4f0 lib/vsprintf.c:735 vsnprintf+0x4bc/0x1160 lib/vsprintf.c:2926 add_uevent_var+0x183/0x3a0 lib/kobject_uevent.c:679 kobject_uevent_env+0x445/0x1870 lib/kobject_uevent.c:555 device_remove+0xcb/0x170 drivers/base/dd.c:569 __device_release_driver drivers/base/dd.c:1274 [inline] device_release_driver_internal+0x44b/0x620 drivers/base/dd.c:1297 driver_detach+0xd8/0x1b0 drivers/base/dd.c:1360 bus_remove_driver+0x13b/0x2c0 drivers/base/bus.c:747 driver_unregister+0x76/0xb0 drivers/base/driver.c:277 usb_gadget_unregister_driver+0x49/0x70 drivers/usb/gadget/udc/core.c:1751 raw_release+0x1ae/0x2b0 drivers/usb/gadget/legacy/raw_gadget.c:462 __fput+0x402/0xb70 fs/file_table.c:468 task_work_run+0x150/0x240 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xec/0x130 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline] do_syscall_64+0x426/0xfa0 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8debd8f7c9 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:00007fffe1313128 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00000000000123c4 RCX: 00007f8debd8f7c9 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000001 R09: 00000005e131341f R10: 0000001b2ed20000 R11: 0000000000000246 R12: 00007f8debfe5fac R13: 00007f8debfe5fa0 R14: ffffffffffffffff R15: 0000000000000003 ---------------- Code disassembly (best guess): 0: a9 00 01 ff 00 test $0xff0100,%eax 5: 74 1d je 0x24 7: f6 c4 01 test $0x1,%ah a: 74 43 je 0x4f c: a9 00 00 0f 00 test $0xf0000,%eax 11: 75 3c jne 0x4f 13: a9 00 00 f0 00 test $0xf00000,%eax 18: 75 35 jne 0x4f 1a: 8b 82 7c 16 00 00 mov 0x167c(%rdx),%eax 20: 85 c0 test %eax,%eax 22: 74 2b je 0x4f 24: 8b 82 58 16 00 00 mov 0x1658(%rdx),%eax * 2a: 83 f8 02 cmp $0x2,%eax <-- trapping instruction 2d: 75 20 jne 0x4f 2f: 48 8b 8a 60 16 00 00 mov 0x1660(%rdx),%rcx 36: 8b 92 5c 16 00 00 mov 0x165c(%rdx),%edx 3c: 48 8b 01 mov (%rcx),%rax 3f: 48 rex.W final repro crashed as (corrupted=false): cm109 6-1:0.8: cm109_urb_irq_callback: urb status -71 ------------[ cut here ]------------ URB ffff888022cb2100 submitted while active WARNING: CPU: 0 PID: 6175 at drivers/usb/core/urb.c:380 usb_submit_urb+0x16f5/0x1990 drivers/usb/core/urb.c:380 Modules linked in: CPU: 0 UID: 0 PID: 6175 Comm: syz.1.22 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:usb_submit_urb+0x16f5/0x1990 drivers/usb/core/urb.c:380 Code: ff ff ff bb fe ff ff ff e9 c9 f1 ff ff e8 c3 00 b5 fa c6 05 1e c4 62 09 01 90 48 c7 c7 a0 16 50 8c 48 89 de e8 0c 34 73 fa 90 <0f> 0b 90 90 e9 a6 fe ff ff bb f8 ff ff ff e9 99 f1 ff ff c7 44 24 RSP: 0018:ffffc90000007a90 EFLAGS: 00010082 RAX: 0000000000000000 RBX: ffff888022cb2100 RCX: ffffffff817b1cd8 RDX: ffff8880256a2480 RSI: ffffffff817b1ce5 RDI: 0000000000000001 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001 R13: ffff88803af18857 R14: ffff8880544e8180 R15: 000000000000000f FS: 0000555584faf500(0000) GS:ffff8880d6a05000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f863fff CR3: 000000005565a000 CR4: 0000000000352ef0 Call Trace: cm109_submit_ctl drivers/input/misc/cm109.c:380 [inline] cm109_urb_irq_callback+0x2ed/0xb80 drivers/input/misc/cm109.c:431 __usb_hcd_giveback_urb+0x38b/0x610 drivers/usb/core/hcd.c:1661 usb_hcd_giveback_urb+0x39b/0x450 drivers/usb/core/hcd.c:1745 dummy_timer+0x1809/0x3a00 drivers/usb/gadget/udc/dummy_hcd.c:1995 __run_hrtimer kernel/time/hrtimer.c:1777 [inline] __hrtimer_run_queues+0x202/0xad0 kernel/time/hrtimer.c:1841 hrtimer_run_softirq+0x17d/0x350 kernel/time/hrtimer.c:1858 handle_softirqs+0x219/0x8e0 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0x109/0x170 kernel/softirq.c:723 irq_exit_rcu+0x9/0x30 kernel/softirq.c:739 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1052 [inline] sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1052 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:__sanitizer_cov_trace_pc+0x41/0x70 kernel/kcov.c:217 Code: a9 00 01 ff 00 74 1d f6 c4 01 74 43 a9 00 00 0f 00 75 3c a9 00 00 f0 00 75 35 8b 82 7c 16 00 00 85 c0 74 2b 8b 82 58 16 00 00 <83> f8 02 75 20 48 8b 8a 60 16 00 00 8b 92 5c 16 00 00 48 8b 01 48 RSP: 0018:ffffc90003467968 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffff888037b0a252 RCX: ffffffff8b5da7db RDX: ffff8880256a2480 RSI: ffffffff8b5da748 RDI: 0000000000000001 RBP: ffff888025d5bb21 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000063 R11: 0000000000000001 R12: 0000000000000063 R13: ffff888037b0aa1c R14: ffff888025d5bb00 R15: 0000000000000020 string_nocheck lib/vsprintf.c:657 [inline] string+0x208/0x4f0 lib/vsprintf.c:735 vsnprintf+0x4bc/0x1160 lib/vsprintf.c:2926 add_uevent_var+0x183/0x3a0 lib/kobject_uevent.c:679 kobject_uevent_env+0x445/0x1870 lib/kobject_uevent.c:555 device_remove+0xcb/0x170 drivers/base/dd.c:569 __device_release_driver drivers/base/dd.c:1274 [inline] device_release_driver_internal+0x44b/0x620 drivers/base/dd.c:1297 driver_detach+0xd8/0x1b0 drivers/base/dd.c:1360 bus_remove_driver+0x13b/0x2c0 drivers/base/bus.c:747 driver_unregister+0x76/0xb0 drivers/base/driver.c:277 usb_gadget_unregister_driver+0x49/0x70 drivers/usb/gadget/udc/core.c:1751 raw_release+0x1ae/0x2b0 drivers/usb/gadget/legacy/raw_gadget.c:462 __fput+0x402/0xb70 fs/file_table.c:468 task_work_run+0x150/0x240 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xec/0x130 kernel/entry/common.c:43 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline] do_syscall_64+0x426/0xfa0 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8debd8f7c9 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:00007fffe1313128 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00000000000123c4 RCX: 00007f8debd8f7c9 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000001 R09: 00000005e131341f R10: 0000001b2ed20000 R11: 0000000000000246 R12: 00007f8debfe5fac R13: 00007f8debfe5fa0 R14: ffffffffffffffff R15: 0000000000000003 ---------------- Code disassembly (best guess): 0: a9 00 01 ff 00 test $0xff0100,%eax 5: 74 1d je 0x24 7: f6 c4 01 test $0x1,%ah a: 74 43 je 0x4f c: a9 00 00 0f 00 test $0xf0000,%eax 11: 75 3c jne 0x4f 13: a9 00 00 f0 00 test $0xf00000,%eax 18: 75 35 jne 0x4f 1a: 8b 82 7c 16 00 00 mov 0x167c(%rdx),%eax 20: 85 c0 test %eax,%eax 22: 74 2b je 0x4f 24: 8b 82 58 16 00 00 mov 0x1658(%rdx),%eax * 2a: 83 f8 02 cmp $0x2,%eax <-- trapping instruction 2d: 75 20 jne 0x4f 2f: 48 8b 8a 60 16 00 00 mov 0x1660(%rdx),%rcx 36: 8b 92 5c 16 00 00 mov 0x165c(%rdx),%edx 3c: 48 8b 01 mov (%rcx),%rax 3f: 48 rex.W