Extracting prog: 1m19.477755478s Minimizing prog: 43m44.348276162s Simplifying prog options: 4m5.076410939s Extracting C: 2m9.837905166s Simplifying C: 0s extracting reproducer from 24 programs first checking the prog from the crash report single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs: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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-adjtimex$auto-write$auto-unshare$auto-mmap$auto-epoll_create$auto-socket-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-ioctl$auto-openat$auto_def_blk_fops_fs-madvise$auto_MADV_HUGEPAGE-msync$auto-move_pages$auto-openat$auto_snd_ctl_f_ops_control-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-mmap$auto-write$auto-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0xa00006, 0x2, 0x40eb1, 0x602, 0x300000000000) adjtimex$auto(0x0) write$auto(0xffffffffffffffff, 0x0, 0xa3d9) unshare$auto(0x40000080) mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) epoll_create$auto(0x3e) socket(0xf, 0x5, 0x200084) capset$auto(0x0, 0x0) lsm_list_modules$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_console_fops_tty_io(0xffffffffffffff9c, 0x0, 0x40, 0x0) r0 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, &(0x7f0000000140), 0x8040, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r0, 0x403c6f2b, 0x0) ioctl$auto(0xc8, 0x400454c8, 0x5) openat$auto_def_blk_fops_fs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ram7\x00', 0x60742, 0x0) madvise$auto_MADV_HUGEPAGE(0x4, 0x7, 0xe) msync$auto(0x0, 0x200, 0x1) move_pages$auto(0x1, 0x2000000000003, 0x0, 0x0, 0x0, 0x8000400000000000) openat$auto_snd_ctl_f_ops_control(0xffffffffffffff9c, 0x0, 0x28180, 0x0) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) mmap$auto(0x0, 0x10000, 0x4000000000db, 0xeb1, 0x2, 0x8000) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) write$auto(0x3, 0x0, 0x100082) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program crashed: KASAN: slab-use-after-free Read in vidtv_mux_init single: successfully extracted reproducer found reproducer with 27 syscalls minimizing guilty program testing program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-adjtimex$auto-write$auto-unshare$auto-mmap$auto-epoll_create$auto-socket-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-ioctl$auto-openat$auto_def_blk_fops_fs-madvise$auto_MADV_HUGEPAGE-msync$auto-move_pages$auto-openat$auto_snd_ctl_f_ops_control-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-mmap$auto-write$auto detailed listing: executing program 0: mmap$auto(0x0, 0xa00006, 0x2, 0x40eb1, 0x602, 0x300000000000) adjtimex$auto(0x0) write$auto(0xffffffffffffffff, 0x0, 0xa3d9) unshare$auto(0x40000080) mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) epoll_create$auto(0x3e) socket(0xf, 0x5, 0x200084) capset$auto(0x0, 0x0) lsm_list_modules$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_console_fops_tty_io(0xffffffffffffff9c, 0x0, 0x40, 0x0) r0 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, &(0x7f0000000140), 0x8040, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r0, 0x403c6f2b, 0x0) ioctl$auto(0xc8, 0x400454c8, 0x5) openat$auto_def_blk_fops_fs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ram7\x00', 0x60742, 0x0) madvise$auto_MADV_HUGEPAGE(0x4, 0x7, 0xe) msync$auto(0x0, 0x200, 0x1) move_pages$auto(0x1, 0x2000000000003, 0x0, 0x0, 0x0, 0x8000400000000000) openat$auto_snd_ctl_f_ops_control(0xffffffffffffff9c, 0x0, 0x28180, 0x0) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) mmap$auto(0x0, 0x10000, 0x4000000000db, 0xeb1, 0x2, 0x8000) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) write$auto(0x3, 0x0, 0x100082) program did not crash testing program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-adjtimex$auto-write$auto-unshare$auto-mmap$auto-epoll_create$auto-socket-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-ioctl$auto-openat$auto_def_blk_fops_fs-madvise$auto_MADV_HUGEPAGE-msync$auto-move_pages$auto-openat$auto_snd_ctl_f_ops_control-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-mmap$auto-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0xa00006, 0x2, 0x40eb1, 0x602, 0x300000000000) adjtimex$auto(0x0) write$auto(0xffffffffffffffff, 0x0, 0xa3d9) unshare$auto(0x40000080) mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) epoll_create$auto(0x3e) socket(0xf, 0x5, 0x200084) capset$auto(0x0, 0x0) lsm_list_modules$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_console_fops_tty_io(0xffffffffffffff9c, 0x0, 0x40, 0x0) r0 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, &(0x7f0000000140), 0x8040, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r0, 0x403c6f2b, 0x0) ioctl$auto(0xc8, 0x400454c8, 0x5) openat$auto_def_blk_fops_fs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ram7\x00', 0x60742, 0x0) madvise$auto_MADV_HUGEPAGE(0x4, 0x7, 0xe) msync$auto(0x0, 0x200, 0x1) move_pages$auto(0x1, 0x2000000000003, 0x0, 0x0, 0x0, 0x8000400000000000) openat$auto_snd_ctl_f_ops_control(0xffffffffffffff9c, 0x0, 0x28180, 0x0) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) mmap$auto(0x0, 0x10000, 0x4000000000db, 0xeb1, 0x2, 0x8000) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program crashed: KASAN: slab-use-after-free Read in vidtv_mux_init testing program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-adjtimex$auto-write$auto-unshare$auto-mmap$auto-epoll_create$auto-socket-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-ioctl$auto-openat$auto_def_blk_fops_fs-madvise$auto_MADV_HUGEPAGE-msync$auto-move_pages$auto-openat$auto_snd_ctl_f_ops_control-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0xa00006, 0x2, 0x40eb1, 0x602, 0x300000000000) adjtimex$auto(0x0) write$auto(0xffffffffffffffff, 0x0, 0xa3d9) unshare$auto(0x40000080) mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) epoll_create$auto(0x3e) socket(0xf, 0x5, 0x200084) capset$auto(0x0, 0x0) lsm_list_modules$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_console_fops_tty_io(0xffffffffffffff9c, 0x0, 0x40, 0x0) r0 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, &(0x7f0000000140), 0x8040, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r0, 0x403c6f2b, 0x0) ioctl$auto(0xc8, 0x400454c8, 0x5) openat$auto_def_blk_fops_fs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ram7\x00', 0x60742, 0x0) madvise$auto_MADV_HUGEPAGE(0x4, 0x7, 0xe) msync$auto(0x0, 0x200, 0x1) move_pages$auto(0x1, 0x2000000000003, 0x0, 0x0, 0x0, 0x8000400000000000) openat$auto_snd_ctl_f_ops_control(0xffffffffffffff9c, 0x0, 0x28180, 0x0) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) mmap$auto(0x0, 0x10000, 0x4000000000db, 0xeb1, 0x2, 0x8000) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program crashed: KASAN: slab-use-after-free Read in vidtv_mux_init testing program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-adjtimex$auto-write$auto-unshare$auto-mmap$auto-epoll_create$auto-socket-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-ioctl$auto-openat$auto_def_blk_fops_fs-madvise$auto_MADV_HUGEPAGE-msync$auto-move_pages$auto-openat$auto_snd_ctl_f_ops_control-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-read$auto-openat$auto_proc_fail_nth_operations_base-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0xa00006, 0x2, 0x40eb1, 0x602, 0x300000000000) adjtimex$auto(0x0) write$auto(0xffffffffffffffff, 0x0, 0xa3d9) unshare$auto(0x40000080) mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) epoll_create$auto(0x3e) socket(0xf, 0x5, 0x200084) capset$auto(0x0, 0x0) lsm_list_modules$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_console_fops_tty_io(0xffffffffffffff9c, 0x0, 0x40, 0x0) r0 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, &(0x7f0000000140), 0x8040, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r0, 0x403c6f2b, 0x0) ioctl$auto(0xc8, 0x400454c8, 0x5) openat$auto_def_blk_fops_fs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ram7\x00', 0x60742, 0x0) madvise$auto_MADV_HUGEPAGE(0x4, 0x7, 0xe) msync$auto(0x0, 0x200, 0x1) move_pages$auto(0x1, 0x2000000000003, 0x0, 0x0, 0x0, 0x8000400000000000) openat$auto_snd_ctl_f_ops_control(0xffffffffffffff9c, 0x0, 0x28180, 0x0) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) mmap$auto(0x0, 0x10000, 0x4000000000db, 0xeb1, 0x2, 0x8000) read$auto(r1, 0x0, 0x20) openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program did not crash testing program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-adjtimex$auto-write$auto-unshare$auto-mmap$auto-epoll_create$auto-socket-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-ioctl$auto-openat$auto_def_blk_fops_fs-madvise$auto_MADV_HUGEPAGE-msync$auto-move_pages$auto-openat$auto_snd_ctl_f_ops_control-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-read$auto-writev$auto-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0xa00006, 0x2, 0x40eb1, 0x602, 0x300000000000) adjtimex$auto(0x0) write$auto(0xffffffffffffffff, 0x0, 0xa3d9) unshare$auto(0x40000080) mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) epoll_create$auto(0x3e) socket(0xf, 0x5, 0x200084) capset$auto(0x0, 0x0) lsm_list_modules$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_console_fops_tty_io(0xffffffffffffff9c, 0x0, 0x40, 0x0) r0 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, &(0x7f0000000140), 0x8040, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r0, 0x403c6f2b, 0x0) ioctl$auto(0xc8, 0x400454c8, 0x5) openat$auto_def_blk_fops_fs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ram7\x00', 0x60742, 0x0) madvise$auto_MADV_HUGEPAGE(0x4, 0x7, 0xe) msync$auto(0x0, 0x200, 0x1) move_pages$auto(0x1, 0x2000000000003, 0x0, 0x0, 0x0, 0x8000400000000000) openat$auto_snd_ctl_f_ops_control(0xffffffffffffff9c, 0x0, 0x28180, 0x0) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) mmap$auto(0x0, 0x10000, 0x4000000000db, 0xeb1, 0x2, 0x8000) read$auto(r1, 0x0, 0x20) writev$auto(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x7}, 0x3) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program did not crash testing program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-adjtimex$auto-write$auto-unshare$auto-mmap$auto-epoll_create$auto-socket-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-ioctl$auto-openat$auto_def_blk_fops_fs-madvise$auto_MADV_HUGEPAGE-msync$auto-move_pages$auto-openat$auto_snd_ctl_f_ops_control-openat$auto_kernfs_file_fops_kernfs_internal-mmap$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0xa00006, 0x2, 0x40eb1, 0x602, 0x300000000000) adjtimex$auto(0x0) write$auto(0xffffffffffffffff, 0x0, 0xa3d9) unshare$auto(0x40000080) mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) epoll_create$auto(0x3e) socket(0xf, 0x5, 0x200084) capset$auto(0x0, 0x0) lsm_list_modules$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_console_fops_tty_io(0xffffffffffffff9c, 0x0, 0x40, 0x0) r0 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, &(0x7f0000000140), 0x8040, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r0, 0x403c6f2b, 0x0) ioctl$auto(0xc8, 0x400454c8, 0x5) openat$auto_def_blk_fops_fs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ram7\x00', 0x60742, 0x0) madvise$auto_MADV_HUGEPAGE(0x4, 0x7, 0xe) msync$auto(0x0, 0x200, 0x1) move_pages$auto(0x1, 0x2000000000003, 0x0, 0x0, 0x0, 0x8000400000000000) openat$auto_snd_ctl_f_ops_control(0xffffffffffffff9c, 0x0, 0x28180, 0x0) openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) mmap$auto(0x0, 0x10000, 0x4000000000db, 0xeb1, 0x2, 0x8000) r1 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r1, &(0x7f0000000200)={0x0, 0x7}, 0x3) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program did not crash testing program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-adjtimex$auto-write$auto-unshare$auto-mmap$auto-epoll_create$auto-socket-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-ioctl$auto-openat$auto_def_blk_fops_fs-madvise$auto_MADV_HUGEPAGE-msync$auto-move_pages$auto-openat$auto_snd_ctl_f_ops_control-openat$auto_kernfs_file_fops_kernfs_internal-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0xa00006, 0x2, 0x40eb1, 0x602, 0x300000000000) adjtimex$auto(0x0) write$auto(0xffffffffffffffff, 0x0, 0xa3d9) unshare$auto(0x40000080) mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) epoll_create$auto(0x3e) socket(0xf, 0x5, 0x200084) capset$auto(0x0, 0x0) lsm_list_modules$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_console_fops_tty_io(0xffffffffffffff9c, 0x0, 0x40, 0x0) r0 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, &(0x7f0000000140), 0x8040, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r0, 0x403c6f2b, 0x0) ioctl$auto(0xc8, 0x400454c8, 0x5) openat$auto_def_blk_fops_fs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ram7\x00', 0x60742, 0x0) madvise$auto_MADV_HUGEPAGE(0x4, 0x7, 0xe) msync$auto(0x0, 0x200, 0x1) move_pages$auto(0x1, 0x2000000000003, 0x0, 0x0, 0x0, 0x8000400000000000) openat$auto_snd_ctl_f_ops_control(0xffffffffffffff9c, 0x0, 0x28180, 0x0) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program crashed: KASAN: slab-use-after-free Read in vidtv_mux_init testing program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-adjtimex$auto-write$auto-unshare$auto-mmap$auto-epoll_create$auto-socket-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-ioctl$auto-openat$auto_def_blk_fops_fs-madvise$auto_MADV_HUGEPAGE-msync$auto-move_pages$auto-openat$auto_snd_ctl_f_ops_control-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0xa00006, 0x2, 0x40eb1, 0x602, 0x300000000000) adjtimex$auto(0x0) write$auto(0xffffffffffffffff, 0x0, 0xa3d9) unshare$auto(0x40000080) mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) epoll_create$auto(0x3e) socket(0xf, 0x5, 0x200084) capset$auto(0x0, 0x0) lsm_list_modules$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_console_fops_tty_io(0xffffffffffffff9c, 0x0, 0x40, 0x0) r0 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, &(0x7f0000000140), 0x8040, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r0, 0x403c6f2b, 0x0) ioctl$auto(0xc8, 0x400454c8, 0x5) openat$auto_def_blk_fops_fs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ram7\x00', 0x60742, 0x0) madvise$auto_MADV_HUGEPAGE(0x4, 0x7, 0xe) msync$auto(0x0, 0x200, 0x1) move_pages$auto(0x1, 0x2000000000003, 0x0, 0x0, 0x0, 0x8000400000000000) openat$auto_snd_ctl_f_ops_control(0xffffffffffffff9c, 0x0, 0x28180, 0x0) read$auto(0xffffffffffffffff, 0x0, 0x20) r1 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r1, &(0x7f0000000200)={0x0, 0x7}, 0x3) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program did not crash testing program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-adjtimex$auto-write$auto-unshare$auto-mmap$auto-epoll_create$auto-socket-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-ioctl$auto-openat$auto_def_blk_fops_fs-madvise$auto_MADV_HUGEPAGE-msync$auto-move_pages$auto-openat$auto_kernfs_file_fops_kernfs_internal-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0xa00006, 0x2, 0x40eb1, 0x602, 0x300000000000) adjtimex$auto(0x0) write$auto(0xffffffffffffffff, 0x0, 0xa3d9) unshare$auto(0x40000080) mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) epoll_create$auto(0x3e) socket(0xf, 0x5, 0x200084) capset$auto(0x0, 0x0) lsm_list_modules$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_console_fops_tty_io(0xffffffffffffff9c, 0x0, 0x40, 0x0) r0 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, &(0x7f0000000140), 0x8040, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r0, 0x403c6f2b, 0x0) ioctl$auto(0xc8, 0x400454c8, 0x5) openat$auto_def_blk_fops_fs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ram7\x00', 0x60742, 0x0) madvise$auto_MADV_HUGEPAGE(0x4, 0x7, 0xe) msync$auto(0x0, 0x200, 0x1) move_pages$auto(0x1, 0x2000000000003, 0x0, 0x0, 0x0, 0x8000400000000000) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program crashed: KASAN: slab-use-after-free Read in vidtv_psi_eit_event_destroy testing program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-adjtimex$auto-write$auto-unshare$auto-mmap$auto-epoll_create$auto-socket-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-ioctl$auto-openat$auto_def_blk_fops_fs-madvise$auto_MADV_HUGEPAGE-msync$auto-openat$auto_kernfs_file_fops_kernfs_internal-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0xa00006, 0x2, 0x40eb1, 0x602, 0x300000000000) adjtimex$auto(0x0) write$auto(0xffffffffffffffff, 0x0, 0xa3d9) unshare$auto(0x40000080) mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) epoll_create$auto(0x3e) socket(0xf, 0x5, 0x200084) capset$auto(0x0, 0x0) lsm_list_modules$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_console_fops_tty_io(0xffffffffffffff9c, 0x0, 0x40, 0x0) r0 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, &(0x7f0000000140), 0x8040, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r0, 0x403c6f2b, 0x0) ioctl$auto(0xc8, 0x400454c8, 0x5) openat$auto_def_blk_fops_fs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ram7\x00', 0x60742, 0x0) madvise$auto_MADV_HUGEPAGE(0x4, 0x7, 0xe) msync$auto(0x0, 0x200, 0x1) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program crashed: KASAN: slab-use-after-free Read in vidtv_psi_eit_event_destroy testing program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-adjtimex$auto-write$auto-unshare$auto-mmap$auto-epoll_create$auto-socket-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-ioctl$auto-openat$auto_def_blk_fops_fs-madvise$auto_MADV_HUGEPAGE-openat$auto_kernfs_file_fops_kernfs_internal-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0xa00006, 0x2, 0x40eb1, 0x602, 0x300000000000) adjtimex$auto(0x0) write$auto(0xffffffffffffffff, 0x0, 0xa3d9) unshare$auto(0x40000080) mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) epoll_create$auto(0x3e) socket(0xf, 0x5, 0x200084) capset$auto(0x0, 0x0) lsm_list_modules$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_console_fops_tty_io(0xffffffffffffff9c, 0x0, 0x40, 0x0) r0 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, &(0x7f0000000140), 0x8040, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r0, 0x403c6f2b, 0x0) ioctl$auto(0xc8, 0x400454c8, 0x5) openat$auto_def_blk_fops_fs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ram7\x00', 0x60742, 0x0) madvise$auto_MADV_HUGEPAGE(0x4, 0x7, 0xe) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program crashed: KASAN: slab-use-after-free Read in vidtv_mux_init testing program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-adjtimex$auto-write$auto-unshare$auto-mmap$auto-epoll_create$auto-socket-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-ioctl$auto-openat$auto_def_blk_fops_fs-openat$auto_kernfs_file_fops_kernfs_internal-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0xa00006, 0x2, 0x40eb1, 0x602, 0x300000000000) adjtimex$auto(0x0) write$auto(0xffffffffffffffff, 0x0, 0xa3d9) unshare$auto(0x40000080) mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) epoll_create$auto(0x3e) socket(0xf, 0x5, 0x200084) capset$auto(0x0, 0x0) lsm_list_modules$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_console_fops_tty_io(0xffffffffffffff9c, 0x0, 0x40, 0x0) r0 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, &(0x7f0000000140), 0x8040, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r0, 0x403c6f2b, 0x0) ioctl$auto(0xc8, 0x400454c8, 0x5) openat$auto_def_blk_fops_fs(0xffffffffffffff9c, &(0x7f0000000000)='/dev/ram7\x00', 0x60742, 0x0) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program crashed: KASAN: slab-use-after-free Read in vidtv_mux_init testing program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-adjtimex$auto-write$auto-unshare$auto-mmap$auto-epoll_create$auto-socket-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-ioctl$auto-openat$auto_kernfs_file_fops_kernfs_internal-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0xa00006, 0x2, 0x40eb1, 0x602, 0x300000000000) adjtimex$auto(0x0) write$auto(0xffffffffffffffff, 0x0, 0xa3d9) unshare$auto(0x40000080) mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) epoll_create$auto(0x3e) socket(0xf, 0x5, 0x200084) capset$auto(0x0, 0x0) lsm_list_modules$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_console_fops_tty_io(0xffffffffffffff9c, 0x0, 0x40, 0x0) r0 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, &(0x7f0000000140), 0x8040, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r0, 0x403c6f2b, 0x0) ioctl$auto(0xc8, 0x400454c8, 0x5) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program crashed: KASAN: slab-use-after-free Read in vidtv_mux_init testing program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-adjtimex$auto-write$auto-unshare$auto-mmap$auto-epoll_create$auto-socket-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-openat$auto_kernfs_file_fops_kernfs_internal-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0xa00006, 0x2, 0x40eb1, 0x602, 0x300000000000) adjtimex$auto(0x0) write$auto(0xffffffffffffffff, 0x0, 0xa3d9) unshare$auto(0x40000080) mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) epoll_create$auto(0x3e) socket(0xf, 0x5, 0x200084) capset$auto(0x0, 0x0) lsm_list_modules$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_console_fops_tty_io(0xffffffffffffff9c, 0x0, 0x40, 0x0) r0 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, &(0x7f0000000140), 0x8040, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r0, 0x403c6f2b, 0x0) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program crashed: KASAN: slab-use-after-free Read in vidtv_mux_init testing program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-adjtimex$auto-write$auto-unshare$auto-mmap$auto-epoll_create$auto-socket-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_console_fops_tty_io-openat$auto_dvb_demux_fops_dmxdev-openat$auto_kernfs_file_fops_kernfs_internal-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0xa00006, 0x2, 0x40eb1, 0x602, 0x300000000000) adjtimex$auto(0x0) write$auto(0xffffffffffffffff, 0x0, 0xa3d9) unshare$auto(0x40000080) mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) epoll_create$auto(0x3e) socket(0xf, 0x5, 0x200084) capset$auto(0x0, 0x0) lsm_list_modules$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_console_fops_tty_io(0xffffffffffffff9c, 0x0, 0x40, 0x0) openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, &(0x7f0000000140), 0x8040, 0x0) r0 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) read$auto(r0, 0x0, 0x20) r1 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r1, &(0x7f0000000200)={0x0, 0x7}, 0x3) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program did not crash testing program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-adjtimex$auto-write$auto-unshare$auto-mmap$auto-epoll_create$auto-socket-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_console_fops_tty_io-ioctl$auto_dvb_demux_fops_dmxdev-openat$auto_kernfs_file_fops_kernfs_internal-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0xa00006, 0x2, 0x40eb1, 0x602, 0x300000000000) adjtimex$auto(0x0) write$auto(0xffffffffffffffff, 0x0, 0xa3d9) unshare$auto(0x40000080) mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) epoll_create$auto(0x3e) socket(0xf, 0x5, 0x200084) capset$auto(0x0, 0x0) lsm_list_modules$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) openat$auto_console_fops_tty_io(0xffffffffffffff9c, 0x0, 0x40, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(0xffffffffffffffff, 0x403c6f2b, 0x0) r0 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) read$auto(r0, 0x0, 0x20) r1 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r1, &(0x7f0000000200)={0x0, 0x7}, 0x3) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program did not crash testing program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-adjtimex$auto-write$auto-unshare$auto-mmap$auto-epoll_create$auto-socket-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-openat$auto_kernfs_file_fops_kernfs_internal-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0xa00006, 0x2, 0x40eb1, 0x602, 0x300000000000) adjtimex$auto(0x0) write$auto(0xffffffffffffffff, 0x0, 0xa3d9) unshare$auto(0x40000080) mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) epoll_create$auto(0x3e) socket(0xf, 0x5, 0x200084) capset$auto(0x0, 0x0) lsm_list_modules$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) r0 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, &(0x7f0000000140), 0x8040, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r0, 0x403c6f2b, 0x0) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program crashed: KASAN: slab-use-after-free Read in vidtv_mux_init testing program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-adjtimex$auto-write$auto-unshare$auto-mmap$auto-epoll_create$auto-socket-capset$auto-lsm_list_modules$auto-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-openat$auto_kernfs_file_fops_kernfs_internal-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0xa00006, 0x2, 0x40eb1, 0x602, 0x300000000000) adjtimex$auto(0x0) write$auto(0xffffffffffffffff, 0x0, 0xa3d9) unshare$auto(0x40000080) mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) epoll_create$auto(0x3e) socket(0xf, 0x5, 0x200084) capset$auto(0x0, 0x0) lsm_list_modules$auto(0x0, 0x0, 0x0) r0 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, &(0x7f0000000140), 0x8040, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r0, 0x403c6f2b, 0x0) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program did not crash testing program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-adjtimex$auto-write$auto-unshare$auto-mmap$auto-epoll_create$auto-socket-capset$auto-close_range$auto-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-openat$auto_kernfs_file_fops_kernfs_internal-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0xa00006, 0x2, 0x40eb1, 0x602, 0x300000000000) adjtimex$auto(0x0) write$auto(0xffffffffffffffff, 0x0, 0xa3d9) unshare$auto(0x40000080) mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) epoll_create$auto(0x3e) socket(0xf, 0x5, 0x200084) capset$auto(0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) r0 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, &(0x7f0000000140), 0x8040, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r0, 0x403c6f2b, 0x0) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program did not crash testing program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-adjtimex$auto-write$auto-unshare$auto-mmap$auto-epoll_create$auto-socket-lsm_list_modules$auto-close_range$auto-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-openat$auto_kernfs_file_fops_kernfs_internal-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0xa00006, 0x2, 0x40eb1, 0x602, 0x300000000000) adjtimex$auto(0x0) write$auto(0xffffffffffffffff, 0x0, 0xa3d9) unshare$auto(0x40000080) mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) epoll_create$auto(0x3e) socket(0xf, 0x5, 0x200084) lsm_list_modules$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) r0 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, &(0x7f0000000140), 0x8040, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r0, 0x403c6f2b, 0x0) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program did not crash testing program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-adjtimex$auto-write$auto-unshare$auto-mmap$auto-epoll_create$auto-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-openat$auto_kernfs_file_fops_kernfs_internal-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0xa00006, 0x2, 0x40eb1, 0x602, 0x300000000000) adjtimex$auto(0x0) write$auto(0xffffffffffffffff, 0x0, 0xa3d9) unshare$auto(0x40000080) mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) epoll_create$auto(0x3e) capset$auto(0x0, 0x0) lsm_list_modules$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) r0 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, &(0x7f0000000140), 0x8040, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r0, 0x403c6f2b, 0x0) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program crashed: KASAN: slab-use-after-free Read in vidtv_mux_init testing program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-adjtimex$auto-write$auto-unshare$auto-mmap$auto-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-openat$auto_kernfs_file_fops_kernfs_internal-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0xa00006, 0x2, 0x40eb1, 0x602, 0x300000000000) adjtimex$auto(0x0) write$auto(0xffffffffffffffff, 0x0, 0xa3d9) unshare$auto(0x40000080) mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) capset$auto(0x0, 0x0) lsm_list_modules$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) r0 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, &(0x7f0000000140), 0x8040, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r0, 0x403c6f2b, 0x0) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program crashed: KASAN: slab-use-after-free Read in vidtv_mux_init testing program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-adjtimex$auto-write$auto-unshare$auto-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-openat$auto_kernfs_file_fops_kernfs_internal-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0xa00006, 0x2, 0x40eb1, 0x602, 0x300000000000) adjtimex$auto(0x0) write$auto(0xffffffffffffffff, 0x0, 0xa3d9) unshare$auto(0x40000080) capset$auto(0x0, 0x0) lsm_list_modules$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) r0 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, &(0x7f0000000140), 0x8040, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r0, 0x403c6f2b, 0x0) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program did not crash testing program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-adjtimex$auto-write$auto-mmap$auto-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-openat$auto_kernfs_file_fops_kernfs_internal-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0xa00006, 0x2, 0x40eb1, 0x602, 0x300000000000) adjtimex$auto(0x0) write$auto(0xffffffffffffffff, 0x0, 0xa3d9) mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) capset$auto(0x0, 0x0) lsm_list_modules$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) r0 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, &(0x7f0000000140), 0x8040, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r0, 0x403c6f2b, 0x0) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program crashed: KASAN: slab-use-after-free Read in vidtv_mux_init testing program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-adjtimex$auto-mmap$auto-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-openat$auto_kernfs_file_fops_kernfs_internal-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0xa00006, 0x2, 0x40eb1, 0x602, 0x300000000000) adjtimex$auto(0x0) mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) capset$auto(0x0, 0x0) lsm_list_modules$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) r0 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, &(0x7f0000000140), 0x8040, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r0, 0x403c6f2b, 0x0) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program crashed: KASAN: slab-use-after-free Read in vidtv_mux_init testing program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-mmap$auto-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-openat$auto_kernfs_file_fops_kernfs_internal-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0xa00006, 0x2, 0x40eb1, 0x602, 0x300000000000) mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) capset$auto(0x0, 0x0) lsm_list_modules$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) r0 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, &(0x7f0000000140), 0x8040, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r0, 0x403c6f2b, 0x0) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program crashed: KASAN: slab-use-after-free Read in vidtv_mux_init testing program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-openat$auto_kernfs_file_fops_kernfs_internal-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) capset$auto(0x0, 0x0) lsm_list_modules$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) r0 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, &(0x7f0000000140), 0x8040, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r0, 0x403c6f2b, 0x0) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program crashed: KASAN: slab-use-after-free Read in vidtv_mux_init testing program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-openat$auto_kernfs_file_fops_kernfs_internal-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) capset$auto(0x0, 0x0) lsm_list_modules$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) r0 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, 0x0, 0x8040, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r0, 0x403c6f2b, 0x0) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program did not crash testing program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-openat$auto_kernfs_file_fops_kernfs_internal-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) capset$auto(0x0, 0x0) lsm_list_modules$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) r0 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, &(0x7f0000000140), 0x8040, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r0, 0x403c6f2b, 0x0) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, 0x0, 0x0, 0x0) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program did not crash testing program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-openat$auto_kernfs_file_fops_kernfs_internal-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) capset$auto(0x0, 0x0) lsm_list_modules$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) r0 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, &(0x7f0000000140), 0x8040, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r0, 0x403c6f2b, 0x0) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, 0x0, 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program did not crash testing program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-openat$auto_kernfs_file_fops_kernfs_internal-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) capset$auto(0x0, 0x0) lsm_list_modules$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) r0 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, &(0x7f0000000140), 0x8040, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r0, 0x403c6f2b, 0x0) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, 0x0, 0x3) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program did not crash extracting C reproducer testing compiled C program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-openat$auto_kernfs_file_fops_kernfs_internal-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-ioctl$auto program did not crash simplifying guilty program options testing program (duration=1m1.662660883s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-openat$auto_kernfs_file_fops_kernfs_internal-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) capset$auto(0x0, 0x0) lsm_list_modules$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) r0 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, &(0x7f0000000140), 0x8040, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r0, 0x403c6f2b, 0x0) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program crashed: KASAN: slab-use-after-free Read in vidtv_mux_init extracting C reproducer testing compiled C program (duration=1m1.662660883s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-openat$auto_kernfs_file_fops_kernfs_internal-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-ioctl$auto program did not crash testing program (duration=1m1.662660883s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-capset$auto-lsm_list_modules$auto-close_range$auto-openat$auto_dvb_demux_fops_dmxdev-ioctl$auto_dvb_demux_fops_dmxdev-openat$auto_kernfs_file_fops_kernfs_internal-read$auto-openat$auto_proc_fail_nth_operations_base-writev$auto-ioctl$auto detailed listing: executing program 0: mmap$auto(0x0, 0x4, 0x4000000000df, 0x40eb1, 0x401, 0x300000000000) capset$auto(0x0, 0x0) lsm_list_modules$auto(0x0, 0x0, 0x0) close_range$auto(0x2, 0x8, 0x0) r0 = openat$auto_dvb_demux_fops_dmxdev(0xffffffffffffff9c, &(0x7f0000000140), 0x8040, 0x0) ioctl$auto_dvb_demux_fops_dmxdev(r0, 0x403c6f2b, 0x0) r1 = openat$auto_kernfs_file_fops_kernfs_internal(0xffffffffffffff9c, &(0x7f0000000080)='/sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A03:00/device:08/adr\x00', 0x0, 0x0) read$auto(r1, 0x0, 0x20) r2 = openat$auto_proc_fail_nth_operations_base(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self/fail-nth\x00', 0x802, 0x0) writev$auto(r2, &(0x7f0000000200)={0x0, 0x7}, 0x3) ioctl$auto(0x3, 0x6f29, 0x10000000000402) program did not crash reproducing took 51m54.973158256s repro crashed as (corrupted=false): Code: Unable to access opcode bytes at 0x7f11e138d13f. RSP: 002b:00007ffc4ed1cd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f11e138d169 RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffc4ed1cd7c R08: 0000000b4ed1ce0f R09: 00000000000927c0 R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000007 R13: 00000000000927c0 R14: 000000000002744e R15: 00007ffc4ed1cdd0 ================================================================== BUG: KASAN: slab-use-after-free in vidtv_mux_pid_ctx_init drivers/media/test-drivers/vidtv/vidtv_mux.c:78 [inline] BUG: KASAN: slab-use-after-free in vidtv_mux_init+0xac2/0xbe0 drivers/media/test-drivers/vidtv/vidtv_mux.c:524 Read of size 8 at addr ffff88802f46fb0c by task syz.2.35/6069 CPU: 0 UID: 0 PID: 6069 Comm: syz.2.35 Not tainted 6.14.0-rc5-syzkaller-00039-g848e07631744 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:408 [inline] print_report+0xc3/0x670 mm/kasan/report.c:521 kasan_report+0xd9/0x110 mm/kasan/report.c:634 vidtv_mux_pid_ctx_init drivers/media/test-drivers/vidtv/vidtv_mux.c:78 [inline] vidtv_mux_init+0xac2/0xbe0 drivers/media/test-drivers/vidtv/vidtv_mux.c:524 vidtv_start_streaming drivers/media/test-drivers/vidtv/vidtv_bridge.c:194 [inline] vidtv_start_feed+0x334/0x4c0 drivers/media/test-drivers/vidtv/vidtv_bridge.c:239 dmx_section_feed_start_filtering+0x3a5/0x660 drivers/media/dvb-core/dvb_demux.c:973 dvb_dmxdev_feed_start drivers/media/dvb-core/dmxdev.c:508 [inline] dvb_dmxdev_feed_restart.isra.0+0x457/0x530 drivers/media/dvb-core/dmxdev.c:537 dvb_dmxdev_filter_stop+0x2b4/0x3a0 drivers/media/dvb-core/dmxdev.c:564 dvb_dmxdev_filter_free drivers/media/dvb-core/dmxdev.c:840 [inline] dvb_demux_release+0x92/0x550 drivers/media/dvb-core/dmxdev.c:1246 __fput+0x3ff/0xb70 fs/file_table.c:464 task_work_run+0x14e/0x250 kernel/task_work.c:227 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0xad8/0x2d70 kernel/exit.c:938 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087 __do_sys_exit_group kernel/exit.c:1098 [inline] __se_sys_exit_group kernel/exit.c:1096 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1096 x64_sys_call+0x151f/0x1720 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f11e138d169 Code: Unable to access opcode bytes at 0x7f11e138d13f. RSP: 002b:00007ffc4ed1cd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f11e138d169 RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffc4ed1cd7c R08: 0000000b4ed1ce0f R09: 00000000000927c0 R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000007 R13: 00000000000927c0 R14: 000000000002744e R15: 00007ffc4ed1cdd0 Allocated by task 6069: kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:377 [inline] __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:394 kmalloc_noprof include/linux/slab.h:901 [inline] kzalloc_noprof include/linux/slab.h:1037 [inline] vidtv_psi_pat_table_init+0x46/0x2c0 drivers/media/test-drivers/vidtv/vidtv_psi.c:970 vidtv_channel_si_init+0x67/0x1a90 drivers/media/test-drivers/vidtv/vidtv_channel.c:423 vidtv_mux_init+0x526/0xbe0 drivers/media/test-drivers/vidtv/vidtv_mux.c:519 vidtv_start_streaming drivers/media/test-drivers/vidtv/vidtv_bridge.c:194 [inline] vidtv_start_feed+0x334/0x4c0 drivers/media/test-drivers/vidtv/vidtv_bridge.c:239 dmx_section_feed_start_filtering+0x3a5/0x660 drivers/media/dvb-core/dvb_demux.c:973 dvb_dmxdev_feed_start drivers/media/dvb-core/dmxdev.c:508 [inline] dvb_dmxdev_feed_restart.isra.0+0x457/0x530 drivers/media/dvb-core/dmxdev.c:537 dvb_dmxdev_filter_stop+0x2b4/0x3a0 drivers/media/dvb-core/dmxdev.c:564 dvb_dmxdev_filter_free drivers/media/dvb-core/dmxdev.c:840 [inline] dvb_demux_release+0x92/0x550 drivers/media/dvb-core/dmxdev.c:1246 __fput+0x3ff/0xb70 fs/file_table.c:464 task_work_run+0x14e/0x250 kernel/task_work.c:227 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0xad8/0x2d70 kernel/exit.c:938 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087 __do_sys_exit_group kernel/exit.c:1098 [inline] __se_sys_exit_group kernel/exit.c:1096 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1096 x64_sys_call+0x151f/0x1720 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Freed by task 6069: kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:576 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x51/0x70 mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:233 [inline] slab_free_hook mm/slub.c:2353 [inline] slab_free mm/slub.c:4609 [inline] kfree+0x2c4/0x4d0 mm/slub.c:4757 vidtv_channel_si_init+0x34a/0x1a90 drivers/media/test-drivers/vidtv/vidtv_channel.c:499 vidtv_mux_init+0x526/0xbe0 drivers/media/test-drivers/vidtv/vidtv_mux.c:519 vidtv_start_streaming drivers/media/test-drivers/vidtv/vidtv_bridge.c:194 [inline] vidtv_start_feed+0x334/0x4c0 drivers/media/test-drivers/vidtv/vidtv_bridge.c:239 dmx_section_feed_start_filtering+0x3a5/0x660 drivers/media/dvb-core/dvb_demux.c:973 dvb_dmxdev_feed_start drivers/media/dvb-core/dmxdev.c:508 [inline] dvb_dmxdev_feed_restart.isra.0+0x457/0x530 drivers/media/dvb-core/dmxdev.c:537 dvb_dmxdev_filter_stop+0x2b4/0x3a0 drivers/media/dvb-core/dmxdev.c:564 dvb_dmxdev_filter_free drivers/media/dvb-core/dmxdev.c:840 [inline] dvb_demux_release+0x92/0x550 drivers/media/dvb-core/dmxdev.c:1246 __fput+0x3ff/0xb70 fs/file_table.c:464 task_work_run+0x14e/0x250 kernel/task_work.c:227 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0xad8/0x2d70 kernel/exit.c:938 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087 __do_sys_exit_group kernel/exit.c:1098 [inline] __se_sys_exit_group kernel/exit.c:1096 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1096 x64_sys_call+0x151f/0x1720 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f The buggy address belongs to the object at ffff88802f46fb00 which belongs to the cache kmalloc-32 of size 32 The buggy address is located 12 bytes inside of freed 32-byte region [ffff88802f46fb00, ffff88802f46fb20) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2f46f ksm flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) page_type: f5(slab) raw: 00fff00000000000 ffff88801b041780 ffffea0000c05800 dead000000000003 raw: 0000000000000000 0000000080400040 00000000f5000000 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52800(GFP_NOWAIT|__GFP_NORETRY|__GFP_COMP), pid 3235, tgid 3235 (kworker/u8:0), ts 18380791081, free_ts 17591456430 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4739 alloc_pages_mpol+0x1fc/0x540 mm/mempolicy.c:2270 alloc_slab_page mm/slub.c:2423 [inline] allocate_slab mm/slub.c:2587 [inline] new_slab+0x23d/0x330 mm/slub.c:2640 ___slab_alloc+0xc5d/0x1720 mm/slub.c:3826 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3916 __slab_alloc_node mm/slub.c:3991 [inline] slab_alloc_node mm/slub.c:4152 [inline] __kmalloc_cache_noprof+0xfa/0x410 mm/slub.c:4320 kmalloc_noprof include/linux/slab.h:901 [inline] slab_free_hook mm/slub.c:2305 [inline] slab_free mm/slub.c:4609 [inline] kmem_cache_free+0x14e/0x4d0 mm/slub.c:4711 __cleanup_sighand kernel/fork.c:1847 [inline] __cleanup_sighand+0x73/0xa0 kernel/fork.c:1839 __exit_signal kernel/exit.c:211 [inline] release_task+0xd2c/0x1b00 kernel/exit.c:257 exit_notify kernel/exit.c:775 [inline] do_exit+0x16ca/0x2d70 kernel/exit.c:958 call_usermodehelper_exec_async+0x379/0x4c0 kernel/umh.c:122 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 page last free pid 977 tgid 977 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660 vfree+0x174/0x950 mm/vmalloc.c:3383 delayed_vfree_work+0x56/0x70 mm/vmalloc.c:3303 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3400 kthread+0x3af/0x750 kernel/kthread.c:464 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Memory state around the buggy address: ffff88802f46fa00: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc ffff88802f46fa80: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc >ffff88802f46fb00: fa fb fb fb fc fc fc fc 00 00 00 fc fc fc fc fc ^ ffff88802f46fb80: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc ffff88802f46fc00: fa fb fb fb fc fc fc fc 00 00 00 fc fc fc fc fc ================================================================== final repro crashed as (corrupted=false): Code: Unable to access opcode bytes at 0x7f11e138d13f. RSP: 002b:00007ffc4ed1cd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f11e138d169 RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffc4ed1cd7c R08: 0000000b4ed1ce0f R09: 00000000000927c0 R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000007 R13: 00000000000927c0 R14: 000000000002744e R15: 00007ffc4ed1cdd0 ================================================================== BUG: KASAN: slab-use-after-free in vidtv_mux_pid_ctx_init drivers/media/test-drivers/vidtv/vidtv_mux.c:78 [inline] BUG: KASAN: slab-use-after-free in vidtv_mux_init+0xac2/0xbe0 drivers/media/test-drivers/vidtv/vidtv_mux.c:524 Read of size 8 at addr ffff88802f46fb0c by task syz.2.35/6069 CPU: 0 UID: 0 PID: 6069 Comm: syz.2.35 Not tainted 6.14.0-rc5-syzkaller-00039-g848e07631744 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120 print_address_description mm/kasan/report.c:408 [inline] print_report+0xc3/0x670 mm/kasan/report.c:521 kasan_report+0xd9/0x110 mm/kasan/report.c:634 vidtv_mux_pid_ctx_init drivers/media/test-drivers/vidtv/vidtv_mux.c:78 [inline] vidtv_mux_init+0xac2/0xbe0 drivers/media/test-drivers/vidtv/vidtv_mux.c:524 vidtv_start_streaming drivers/media/test-drivers/vidtv/vidtv_bridge.c:194 [inline] vidtv_start_feed+0x334/0x4c0 drivers/media/test-drivers/vidtv/vidtv_bridge.c:239 dmx_section_feed_start_filtering+0x3a5/0x660 drivers/media/dvb-core/dvb_demux.c:973 dvb_dmxdev_feed_start drivers/media/dvb-core/dmxdev.c:508 [inline] dvb_dmxdev_feed_restart.isra.0+0x457/0x530 drivers/media/dvb-core/dmxdev.c:537 dvb_dmxdev_filter_stop+0x2b4/0x3a0 drivers/media/dvb-core/dmxdev.c:564 dvb_dmxdev_filter_free drivers/media/dvb-core/dmxdev.c:840 [inline] dvb_demux_release+0x92/0x550 drivers/media/dvb-core/dmxdev.c:1246 __fput+0x3ff/0xb70 fs/file_table.c:464 task_work_run+0x14e/0x250 kernel/task_work.c:227 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0xad8/0x2d70 kernel/exit.c:938 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087 __do_sys_exit_group kernel/exit.c:1098 [inline] __se_sys_exit_group kernel/exit.c:1096 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1096 x64_sys_call+0x151f/0x1720 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f11e138d169 Code: Unable to access opcode bytes at 0x7f11e138d13f. RSP: 002b:00007ffc4ed1cd18 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f11e138d169 RDX: 0000000000000064 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007ffc4ed1cd7c R08: 0000000b4ed1ce0f R09: 00000000000927c0 R10: 0000000000000001 R11: 0000000000000246 R12: 0000000000000007 R13: 00000000000927c0 R14: 000000000002744e R15: 00007ffc4ed1cdd0 Allocated by task 6069: kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 poison_kmalloc_redzone mm/kasan/common.c:377 [inline] __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:394 kmalloc_noprof include/linux/slab.h:901 [inline] kzalloc_noprof include/linux/slab.h:1037 [inline] vidtv_psi_pat_table_init+0x46/0x2c0 drivers/media/test-drivers/vidtv/vidtv_psi.c:970 vidtv_channel_si_init+0x67/0x1a90 drivers/media/test-drivers/vidtv/vidtv_channel.c:423 vidtv_mux_init+0x526/0xbe0 drivers/media/test-drivers/vidtv/vidtv_mux.c:519 vidtv_start_streaming drivers/media/test-drivers/vidtv/vidtv_bridge.c:194 [inline] vidtv_start_feed+0x334/0x4c0 drivers/media/test-drivers/vidtv/vidtv_bridge.c:239 dmx_section_feed_start_filtering+0x3a5/0x660 drivers/media/dvb-core/dvb_demux.c:973 dvb_dmxdev_feed_start drivers/media/dvb-core/dmxdev.c:508 [inline] dvb_dmxdev_feed_restart.isra.0+0x457/0x530 drivers/media/dvb-core/dmxdev.c:537 dvb_dmxdev_filter_stop+0x2b4/0x3a0 drivers/media/dvb-core/dmxdev.c:564 dvb_dmxdev_filter_free drivers/media/dvb-core/dmxdev.c:840 [inline] dvb_demux_release+0x92/0x550 drivers/media/dvb-core/dmxdev.c:1246 __fput+0x3ff/0xb70 fs/file_table.c:464 task_work_run+0x14e/0x250 kernel/task_work.c:227 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0xad8/0x2d70 kernel/exit.c:938 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087 __do_sys_exit_group kernel/exit.c:1098 [inline] __se_sys_exit_group kernel/exit.c:1096 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1096 x64_sys_call+0x151f/0x1720 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f Freed by task 6069: kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:576 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x51/0x70 mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:233 [inline] slab_free_hook mm/slub.c:2353 [inline] slab_free mm/slub.c:4609 [inline] kfree+0x2c4/0x4d0 mm/slub.c:4757 vidtv_channel_si_init+0x34a/0x1a90 drivers/media/test-drivers/vidtv/vidtv_channel.c:499 vidtv_mux_init+0x526/0xbe0 drivers/media/test-drivers/vidtv/vidtv_mux.c:519 vidtv_start_streaming drivers/media/test-drivers/vidtv/vidtv_bridge.c:194 [inline] vidtv_start_feed+0x334/0x4c0 drivers/media/test-drivers/vidtv/vidtv_bridge.c:239 dmx_section_feed_start_filtering+0x3a5/0x660 drivers/media/dvb-core/dvb_demux.c:973 dvb_dmxdev_feed_start drivers/media/dvb-core/dmxdev.c:508 [inline] dvb_dmxdev_feed_restart.isra.0+0x457/0x530 drivers/media/dvb-core/dmxdev.c:537 dvb_dmxdev_filter_stop+0x2b4/0x3a0 drivers/media/dvb-core/dmxdev.c:564 dvb_dmxdev_filter_free drivers/media/dvb-core/dmxdev.c:840 [inline] dvb_demux_release+0x92/0x550 drivers/media/dvb-core/dmxdev.c:1246 __fput+0x3ff/0xb70 fs/file_table.c:464 task_work_run+0x14e/0x250 kernel/task_work.c:227 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0xad8/0x2d70 kernel/exit.c:938 do_group_exit+0xd3/0x2a0 kernel/exit.c:1087 __do_sys_exit_group kernel/exit.c:1098 [inline] __se_sys_exit_group kernel/exit.c:1096 [inline] __x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1096 x64_sys_call+0x151f/0x1720 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f The buggy address belongs to the object at ffff88802f46fb00 which belongs to the cache kmalloc-32 of size 32 The buggy address is located 12 bytes inside of freed 32-byte region [ffff88802f46fb00, ffff88802f46fb20) The buggy address belongs to the physical page: page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x2f46f ksm flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) page_type: f5(slab) raw: 00fff00000000000 ffff88801b041780 ffffea0000c05800 dead000000000003 raw: 0000000000000000 0000000080400040 00000000f5000000 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x52800(GFP_NOWAIT|__GFP_NORETRY|__GFP_COMP), pid 3235, tgid 3235 (kworker/u8:0), ts 18380791081, free_ts 17591456430 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x181/0x1b0 mm/page_alloc.c:1551 prep_new_page mm/page_alloc.c:1559 [inline] get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3477 __alloc_frozen_pages_noprof+0x221/0x2470 mm/page_alloc.c:4739 alloc_pages_mpol+0x1fc/0x540 mm/mempolicy.c:2270 alloc_slab_page mm/slub.c:2423 [inline] allocate_slab mm/slub.c:2587 [inline] new_slab+0x23d/0x330 mm/slub.c:2640 ___slab_alloc+0xc5d/0x1720 mm/slub.c:3826 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3916 __slab_alloc_node mm/slub.c:3991 [inline] slab_alloc_node mm/slub.c:4152 [inline] __kmalloc_cache_noprof+0xfa/0x410 mm/slub.c:4320 kmalloc_noprof include/linux/slab.h:901 [inline] slab_free_hook mm/slub.c:2305 [inline] slab_free mm/slub.c:4609 [inline] kmem_cache_free+0x14e/0x4d0 mm/slub.c:4711 __cleanup_sighand kernel/fork.c:1847 [inline] __cleanup_sighand+0x73/0xa0 kernel/fork.c:1839 __exit_signal kernel/exit.c:211 [inline] release_task+0xd2c/0x1b00 kernel/exit.c:257 exit_notify kernel/exit.c:775 [inline] do_exit+0x16ca/0x2d70 kernel/exit.c:958 call_usermodehelper_exec_async+0x379/0x4c0 kernel/umh.c:122 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 page last free pid 977 tgid 977 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1127 [inline] free_frozen_pages+0x6db/0xfb0 mm/page_alloc.c:2660 vfree+0x174/0x950 mm/vmalloc.c:3383 delayed_vfree_work+0x56/0x70 mm/vmalloc.c:3303 process_one_work+0x9c5/0x1ba0 kernel/workqueue.c:3238 process_scheduled_works kernel/workqueue.c:3319 [inline] worker_thread+0x6c8/0xf00 kernel/workqueue.c:3400 kthread+0x3af/0x750 kernel/kthread.c:464 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Memory state around the buggy address: ffff88802f46fa00: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc ffff88802f46fa80: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc >ffff88802f46fb00: fa fb fb fb fc fc fc fc 00 00 00 fc fc fc fc fc ^ ffff88802f46fb80: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc ffff88802f46fc00: fa fb fb fb fc fc fc fc 00 00 00 fc fc fc fc fc ==================================================================