Extracting prog: 5m47.363365779s Minimizing prog: 1h51m15.191366513s Simplifying prog options: 12m18.075647496s Extracting C: 5m17.591168061s Simplifying C: 0s 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}}): close-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-ioctl$sock_SIOCGPGRP-sched_setscheduler-openat$dir-socket$inet6_tcp-pselect6-syz_open_dev$tty1-write-ioctl$FS_IOC_GETFSLABEL-ioctl$FS_IOC_GETFSLABEL detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) openat$dir(0xffffffffffffff9c, 0x0, 0x0, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) pselect6(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) r3 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r3, &(0x7f0000001000), 0x0) ioctl$FS_IOC_GETFSLABEL(0xffffffffffffffff, 0x400452c8, 0x0) ioctl$FS_IOC_GETFSLABEL(0xffffffffffffffff, 0x400452c9, 0x0) program did not crash 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: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}}): close-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-ioctl$sock_SIOCGPGRP-sched_setscheduler-openat$dir-socket$inet6_tcp-pselect6-syz_open_dev$tty1-write-ioctl$FS_IOC_GETFSLABEL-ioctl$FS_IOC_GETFSLABEL detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) openat$dir(0xffffffffffffff9c, 0x0, 0x0, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) pselect6(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) r3 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r3, &(0x7f0000001000), 0x0) ioctl$FS_IOC_GETFSLABEL(0xffffffffffffffff, 0x400452c8, 0x0) ioctl$FS_IOC_GETFSLABEL(0xffffffffffffffff, 0x400452c9, 0x0) program crashed: WARNING in drm_crtc_wait_one_vblank single: successfully extracted reproducer found reproducer with 18 syscalls minimizing guilty program testing program (duration=6m0s, {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}}): close-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-ioctl$sock_SIOCGPGRP-sched_setscheduler-openat$dir-socket$inet6_tcp-pselect6-syz_open_dev$tty1-write-ioctl$FS_IOC_GETFSLABEL detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) openat$dir(0xffffffffffffff9c, 0x0, 0x0, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) pselect6(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) r3 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r3, &(0x7f0000001000), 0x0) ioctl$FS_IOC_GETFSLABEL(0xffffffffffffffff, 0x400452c8, 0x0) program crashed: WARNING in drm_crtc_wait_one_vblank testing program (duration=6m0s, {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}}): close-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-ioctl$sock_SIOCGPGRP-sched_setscheduler-openat$dir-socket$inet6_tcp-pselect6-syz_open_dev$tty1-write detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) openat$dir(0xffffffffffffff9c, 0x0, 0x0, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) pselect6(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) r3 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r3, &(0x7f0000001000), 0x0) program crashed: WARNING in drm_crtc_wait_one_vblank testing program (duration=6m0s, {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}}): close-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-ioctl$sock_SIOCGPGRP-sched_setscheduler-openat$dir-socket$inet6_tcp-pselect6-syz_open_dev$tty1 detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) openat$dir(0xffffffffffffff9c, 0x0, 0x0, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) pselect6(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) syz_open_dev$tty1(0xc, 0x4, 0x1) program did not crash testing program (duration=6m0s, {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}}): close-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-ioctl$sock_SIOCGPGRP-sched_setscheduler-openat$dir-socket$inet6_tcp-pselect6-write detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) openat$dir(0xffffffffffffff9c, 0x0, 0x0, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) pselect6(0x0, 0x0, 0x0, 0x0, 0x0, 0x0) write(0xffffffffffffffff, &(0x7f0000001000), 0x0) program did not crash testing program (duration=6m0s, {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}}): close-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-ioctl$sock_SIOCGPGRP-sched_setscheduler-openat$dir-socket$inet6_tcp-syz_open_dev$tty1-write detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) openat$dir(0xffffffffffffff9c, 0x0, 0x0, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) r3 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r3, &(0x7f0000001000), 0x0) program crashed: WARNING in drm_crtc_wait_one_vblank testing program (duration=6m0s, {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}}): close-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-ioctl$sock_SIOCGPGRP-sched_setscheduler-openat$dir-syz_open_dev$tty1-write detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) openat$dir(0xffffffffffffff9c, 0x0, 0x0, 0x0) r3 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r3, &(0x7f0000001000), 0x0) program crashed: WARNING in drm_crtc_wait_one_vblank testing program (duration=6m0s, {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}}): close-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-ioctl$sock_SIOCGPGRP-sched_setscheduler-syz_open_dev$tty1-write detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000000)=0x6) r3 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r3, &(0x7f0000001000), 0x0) program crashed: WARNING in drm_crtc_wait_one_vblank testing program (duration=6m0s, {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}}): close-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-ioctl$sock_SIOCGPGRP-syz_open_dev$tty1-write detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) ioctl$sock_SIOCGPGRP(0xffffffffffffffff, 0x8904, 0x0) r3 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r3, &(0x7f0000001000), 0x0) program crashed: WARNING in drm_crtc_wait_one_vblank testing program (duration=6m0s, {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}}): close-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-recvmmsg-syz_open_dev$tty1-write detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r3, &(0x7f0000001000), 0x0) program crashed: WARNING in drm_crtc_wait_one_vblank testing program (duration=6m0s, {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}}): close-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-sendmmsg$unix-syz_open_dev$tty1-write detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r1, &(0x7f0000000000), 0x651, 0x0) r2 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r2, &(0x7f0000001000), 0x0) program did not crash testing program (duration=6m0s, {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}}): close-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-socketpair$unix-recvmmsg-syz_open_dev$tty1-write detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff}) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r2, &(0x7f0000001000), 0x0) program did not crash testing program (duration=6m0s, {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}}): close-prlimit64-sched_setscheduler-getpid-sched_setscheduler-mmap-sendmmsg$unix-recvmmsg-syz_open_dev$tty1-write detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r1 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r1, &(0x7f0000001000), 0x0) program did not crash testing program (duration=6m0s, {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}}): close-prlimit64-sched_setscheduler-getpid-sched_setscheduler-socketpair$unix-sendmmsg$unix-recvmmsg-syz_open_dev$tty1-write detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) r0 = getpid() sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r3, &(0x7f0000001000), 0x0) program crashed: WARNING in drm_crtc_wait_one_vblank testing program (duration=6m0s, {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}}): close-prlimit64-sched_setscheduler-getpid-socketpair$unix-sendmmsg$unix-recvmmsg-syz_open_dev$tty1-write detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) getpid() socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r1, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r2, &(0x7f0000001000), 0x0) program crashed: WARNING in drm_crtc_wait_one_vblank testing program (duration=6m0s, {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}}): close-prlimit64-sched_setscheduler-socketpair$unix-sendmmsg$unix-recvmmsg-syz_open_dev$tty1-write detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r1, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r2, &(0x7f0000001000), 0x0) program did not crash testing program (duration=6m0s, {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}}): close-prlimit64-getpid-socketpair$unix-sendmmsg$unix-recvmmsg-syz_open_dev$tty1-write detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) getpid() socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r1, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r2, &(0x7f0000001000), 0x0) program did not crash testing program (duration=6m0s, {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}}): close-sched_setscheduler-getpid-socketpair$unix-sendmmsg$unix-recvmmsg-syz_open_dev$tty1-write detailed listing: executing program 0: close(0xffffffffffffffff) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) getpid() socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r1, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r2, &(0x7f0000001000), 0x0) program did not crash testing program (duration=6m0s, {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}}): prlimit64-sched_setscheduler-getpid-socketpair$unix-sendmmsg$unix-recvmmsg-syz_open_dev$tty1-write detailed listing: executing program 0: prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) getpid() socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r1, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r2, &(0x7f0000001000), 0x0) program did not crash testing program (duration=6m0s, {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}}): close-prlimit64-sched_setscheduler-getpid-socketpair$unix-sendmmsg$unix-recvmmsg-syz_open_dev$tty1-write detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, 0x0, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) getpid() socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r1, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r2, &(0x7f0000001000), 0x0) program did not crash testing program (duration=6m0s, {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}}): close-prlimit64-sched_setscheduler-getpid-socketpair$unix-sendmmsg$unix-recvmmsg-syz_open_dev$tty1-write detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, 0x0) getpid() socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r1, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r2, &(0x7f0000001000), 0x0) program did not crash testing program (duration=6m0s, {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}}): close-prlimit64-sched_setscheduler-getpid-socketpair$unix-sendmmsg$unix-recvmmsg-syz_open_dev$tty1-write detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) getpid() socketpair$unix(0x1, 0x2, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r0, &(0x7f0000001000), 0x0) program crashed: WARNING in drm_crtc_wait_one_vblank testing program (duration=6m0s, {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}}): close-prlimit64-sched_setscheduler-getpid-socketpair$unix-sendmmsg$unix-recvmmsg-syz_open_dev$tty1-write detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) getpid() socketpair$unix(0x1, 0x2, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, 0x0, 0x0, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r0, &(0x7f0000001000), 0x0) program did not crash testing program (duration=6m0s, {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}}): close-prlimit64-sched_setscheduler-getpid-socketpair$unix-sendmmsg$unix-recvmmsg-syz_open_dev$tty1-write detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) getpid() socketpair$unix(0x1, 0x2, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x2, 0x0) r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r0, &(0x7f0000001000), 0x0) program crashed: WARNING in drm_crtc_wait_one_vblank testing program (duration=6m0s, {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}}): close-prlimit64-sched_setscheduler-getpid-socketpair$unix-sendmmsg$unix-recvmmsg-syz_open_dev$tty1-write detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) getpid() socketpair$unix(0x1, 0x2, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x2, 0x0) r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r0, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {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}}): close-prlimit64-sched_setscheduler-getpid-socketpair$unix-sendmmsg$unix-recvmmsg-syz_open_dev$tty1-write program crashed: no output from test machine a never seen crash title: no output from test machine, ignore simplifying guilty program options testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): close-prlimit64-sched_setscheduler-getpid-socketpair$unix-sendmmsg$unix-recvmmsg-syz_open_dev$tty1-write detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) getpid() socketpair$unix(0x1, 0x2, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x2, 0x0) r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r0, &(0x7f0000001000), 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): close-prlimit64-sched_setscheduler-getpid-socketpair$unix-sendmmsg$unix-recvmmsg-syz_open_dev$tty1-write detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) getpid() socketpair$unix(0x1, 0x2, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x2, 0x0) r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r0, &(0x7f0000001000), 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): close-prlimit64-sched_setscheduler-getpid-socketpair$unix-sendmmsg$unix-recvmmsg-syz_open_dev$tty1-write detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) getpid() socketpair$unix(0x1, 0x2, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x2, 0x0) r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r0, &(0x7f0000001000), 0x0) program crashed: WARNING in drm_crtc_wait_one_vblank validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): close-prlimit64-sched_setscheduler-getpid-socketpair$unix-sendmmsg$unix-recvmmsg-syz_open_dev$tty1-write detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) getpid() socketpair$unix(0x1, 0x2, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x2, 0x0) r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r0, &(0x7f0000001000), 0x0) program did not crash validation run: crashed=false testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): close-prlimit64-sched_setscheduler-getpid-socketpair$unix-sendmmsg$unix-recvmmsg-syz_open_dev$tty1-write detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) getpid() socketpair$unix(0x1, 0x2, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x2, 0x0) r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r0, &(0x7f0000001000), 0x0) program did not crash validation run: crashed=false testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): close-prlimit64-sched_setscheduler-getpid-socketpair$unix-sendmmsg$unix-recvmmsg-syz_open_dev$tty1-write detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) getpid() socketpair$unix(0x1, 0x2, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x2, 0x0) r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r0, &(0x7f0000001000), 0x0) program crashed: WARNING in drm_crtc_wait_one_vblank validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): close-prlimit64-sched_setscheduler-getpid-socketpair$unix-sendmmsg$unix-recvmmsg-syz_open_dev$tty1-write detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) getpid() socketpair$unix(0x1, 0x2, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x2, 0x0) r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r0, &(0x7f0000001000), 0x0) program did not crash validation run: crashed=false testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): close-prlimit64-sched_setscheduler-getpid-socketpair$unix-sendmmsg$unix-recvmmsg-syz_open_dev$tty1-write detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) getpid() socketpair$unix(0x1, 0x2, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x2, 0x0) r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r0, &(0x7f0000001000), 0x0) program did not crash validation run: crashed=false testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): close-prlimit64-sched_setscheduler-getpid-socketpair$unix-sendmmsg$unix-recvmmsg-syz_open_dev$tty1-write detailed listing: executing program 0: close(0xffffffffffffffff) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x88}, 0x0) sched_setscheduler(0x0, 0x1, &(0x7f0000000240)=0x7) getpid() socketpair$unix(0x1, 0x2, 0x0, 0x0) sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000000), 0x651, 0x0) recvmmsg(0xffffffffffffffff, 0x0, 0x0, 0x2, 0x0) r0 = syz_open_dev$tty1(0xc, 0x4, 0x1) write(r0, &(0x7f0000001000), 0x0) program crashed: WARNING in drm_crtc_wait_one_vblank validation run: crashed=true reproducing took 2h52m22.293411277s repro crashed as (corrupted=false): ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1329 at drm_crtc_wait_one_vblank+0x3bc/0x560 drivers/gpu/drm/drm_vblank.c:1329, CPU#1: kworker/1:2/822 Modules linked in: CPU: 1 UID: 0 PID: 822 Comm: kworker/1:2 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 Workqueue: events drm_fb_helper_damage_work RIP: 0010:drm_crtc_wait_one_vblank+0x51a/0x560 drivers/gpu/drm/drm_vblank.c:1329 Code: c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 4c 89 ef e8 35 ce ab fc 4d 8b 7d 00 4c 89 f7 4c 89 e6 4c 89 fa 89 d9 <67> 48 0f b9 3a 48 8b 3c 24 89 de e8 36 f4 ff ff b8 92 ff ff ff 49 RSP: 0018:ffffc90005d97840 EFLAGS: 00010246 RAX: 1ffff11004ce2200 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffffffff8be3b940 RSI: ffffffff8be596e0 RDI: ffffffff8fdbdff0 RBP: ffffc90005d97928 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff1fa12f0 R12: ffffffff8be596e0 R13: ffff888026711000 R14: ffffffff8fdbdff0 R15: ffffffff8be3b940 FS: 0000000000000000(0000) GS:ffff888125afa000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3f3750eac0 CR3: 0000000046c84000 CR4: 00000000003526f0 Call Trace: drm_client_modeset_wait_for_vblank+0xc5/0xf0 drivers/gpu/drm/drm_client_modeset.c:1331 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:327 [inline] drm_fb_helper_damage_work+0x6cf/0xf00 drivers/gpu/drm/drm_fb_helper.c:365 process_one_work+0xaaf/0x1480 kernel/workqueue.c:3379 process_scheduled_works kernel/workqueue.c:3462 [inline] worker_thread+0xb05/0x10d0 kernel/workqueue.c:3543 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 ---------------- Code disassembly (best guess): 0: c1 e8 03 shr $0x3,%eax 3: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx a: fc ff df d: 80 3c 08 00 cmpb $0x0,(%rax,%rcx,1) 11: 74 08 je 0x1b 13: 4c 89 ef mov %r13,%rdi 16: e8 35 ce ab fc call 0xfcabce50 1b: 4d 8b 7d 00 mov 0x0(%r13),%r15 1f: 4c 89 f7 mov %r14,%rdi 22: 4c 89 e6 mov %r12,%rsi 25: 4c 89 fa mov %r15,%rdx 28: 89 d9 mov %ebx,%ecx * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: 48 8b 3c 24 mov (%rsp),%rdi 33: 89 de mov %ebx,%esi 35: e8 36 f4 ff ff call 0xfffff470 3a: b8 92 ff ff ff mov $0xffffff92,%eax 3f: 49 rex.WB final repro crashed as (corrupted=false): ------------[ cut here ]------------ faux_driver vkms: [drm] vblank wait timed out on crtc 0 WARNING: drivers/gpu/drm/drm_vblank.c:1329 at drm_crtc_wait_one_vblank+0x3bc/0x560 drivers/gpu/drm/drm_vblank.c:1329, CPU#1: kworker/1:2/822 Modules linked in: CPU: 1 UID: 0 PID: 822 Comm: kworker/1:2 Not tainted syzkaller #0 PREEMPT_{RT,(full)} Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026 Workqueue: events drm_fb_helper_damage_work RIP: 0010:drm_crtc_wait_one_vblank+0x51a/0x560 drivers/gpu/drm/drm_vblank.c:1329 Code: c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 4c 89 ef e8 35 ce ab fc 4d 8b 7d 00 4c 89 f7 4c 89 e6 4c 89 fa 89 d9 <67> 48 0f b9 3a 48 8b 3c 24 89 de e8 36 f4 ff ff b8 92 ff ff ff 49 RSP: 0018:ffffc90005d97840 EFLAGS: 00010246 RAX: 1ffff11004ce2200 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffffffff8be3b940 RSI: ffffffff8be596e0 RDI: ffffffff8fdbdff0 RBP: ffffc90005d97928 R08: 0000000000000000 R09: 0000000000000000 R10: dffffc0000000000 R11: fffffbfff1fa12f0 R12: ffffffff8be596e0 R13: ffff888026711000 R14: ffffffff8fdbdff0 R15: ffffffff8be3b940 FS: 0000000000000000(0000) GS:ffff888125afa000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3f3750eac0 CR3: 0000000046c84000 CR4: 00000000003526f0 Call Trace: drm_client_modeset_wait_for_vblank+0xc5/0xf0 drivers/gpu/drm/drm_client_modeset.c:1331 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:327 [inline] drm_fb_helper_damage_work+0x6cf/0xf00 drivers/gpu/drm/drm_fb_helper.c:365 process_one_work+0xaaf/0x1480 kernel/workqueue.c:3379 process_scheduled_works kernel/workqueue.c:3462 [inline] worker_thread+0xb05/0x10d0 kernel/workqueue.c:3543 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 ---------------- Code disassembly (best guess): 0: c1 e8 03 shr $0x3,%eax 3: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx a: fc ff df d: 80 3c 08 00 cmpb $0x0,(%rax,%rcx,1) 11: 74 08 je 0x1b 13: 4c 89 ef mov %r13,%rdi 16: e8 35 ce ab fc call 0xfcabce50 1b: 4d 8b 7d 00 mov 0x0(%r13),%r15 1f: 4c 89 f7 mov %r14,%rdi 22: 4c 89 e6 mov %r12,%rsi 25: 4c 89 fa mov %r15,%rdx 28: 89 d9 mov %ebx,%ecx * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: 48 8b 3c 24 mov (%rsp),%rdi 33: 89 de mov %ebx,%esi 35: e8 36 f4 ff ff call 0xfffff470 3a: b8 92 ff ff ff mov $0xffffff92,%eax 3f: 49 rex.WB