Extracting prog: 3m18.127802436s
Minimizing prog: 25m32.233628786s
Simplifying prog options: 0s
Extracting C: 49.881898495s
Simplifying C: 11m15.411100505s


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}}): mkdirat-mount-mkdirat-mount-setxattr$trusted_overlay_redirect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./dev\x00', &(0x7f0000000100)='devtmpfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000300)=@filename='./dev/mtdblock0\x00', &(0x7f0000000200)='./mnt\x00', &(0x7f0000000400)='jffs2\x00', 0x0, 0x0)
setxattr$trusted_overlay_redirect(&(0x7f0000000240)='./mnt\x00', &(0x7f0000000340), 0x0, 0x0, 0x0)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs: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}}): mkdirat-mount-mkdirat-mount-setxattr$trusted_overlay_redirect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./dev\x00', &(0x7f0000000100)='devtmpfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000300)=@filename='./dev/mtdblock0\x00', &(0x7f0000000200)='./mnt\x00', &(0x7f0000000400)='jffs2\x00', 0x0, 0x0)
setxattr$trusted_overlay_redirect(&(0x7f0000000240)='./mnt\x00', &(0x7f0000000340), 0x0, 0x0, 0x0)

program crashed: kernel BUG in jffs2_del_ino_cache
single: successfully extracted reproducer
found reproducer with 5 syscalls
minimizing guilty program
testing program (duration=1m26.209204464s, {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}}): mkdirat-mount-mkdirat-mount
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./dev\x00', &(0x7f0000000100)='devtmpfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000300)=@filename='./dev/mtdblock0\x00', &(0x7f0000000200)='./mnt\x00', &(0x7f0000000400)='jffs2\x00', 0x0, 0x0)

program did not crash
testing program (duration=1m26.209204464s, {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}}): mkdirat-mount-mkdirat-setxattr$trusted_overlay_redirect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./dev\x00', &(0x7f0000000100)='devtmpfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff)
setxattr$trusted_overlay_redirect(&(0x7f0000000240)='./mnt\x00', &(0x7f0000000340), 0x0, 0x0, 0x0)

program did not crash
testing program (duration=1m26.209204464s, {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}}): mkdirat-mount-mount-setxattr$trusted_overlay_redirect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./dev\x00', &(0x7f0000000100)='devtmpfs\x00', 0x0, 0x0)
mount(&(0x7f0000000300)=@filename='./dev/mtdblock0\x00', &(0x7f0000000200)='./mnt\x00', &(0x7f0000000400)='jffs2\x00', 0x0, 0x0)
setxattr$trusted_overlay_redirect(&(0x7f0000000240)='./mnt\x00', &(0x7f0000000340), 0x0, 0x0, 0x0)

program did not crash
testing program (duration=1m26.209204464s, {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}}): mkdirat-mkdirat-mount-setxattr$trusted_overlay_redirect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000300)=@filename='./dev/mtdblock0\x00', &(0x7f0000000200)='./mnt\x00', &(0x7f0000000400)='jffs2\x00', 0x0, 0x0)
setxattr$trusted_overlay_redirect(&(0x7f0000000240)='./mnt\x00', &(0x7f0000000340), 0x0, 0x0, 0x0)

program did not crash
testing program (duration=1m26.209204464s, {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}}): mount-mkdirat-mount-setxattr$trusted_overlay_redirect
detailed listing:
executing program 0:
mount(0x0, &(0x7f0000000000)='./dev\x00', &(0x7f0000000100)='devtmpfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000300)=@filename='./dev/mtdblock0\x00', &(0x7f0000000200)='./mnt\x00', &(0x7f0000000400)='jffs2\x00', 0x0, 0x0)
setxattr$trusted_overlay_redirect(&(0x7f0000000240)='./mnt\x00', &(0x7f0000000340), 0x0, 0x0, 0x0)

program did not crash
testing program (duration=1m26.209204464s, {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}}): mkdirat-mount-mkdirat-mount-setxattr$trusted_overlay_redirect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(0x0, &(0x7f0000000000)='./dev\x00', &(0x7f0000000100)='devtmpfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000300)=@filename='./dev/mtdblock0\x00', &(0x7f0000000200)='./mnt\x00', &(0x7f0000000400)='jffs2\x00', 0x0, 0x0)
setxattr$trusted_overlay_redirect(&(0x7f0000000240)='./mnt\x00', &(0x7f0000000340), 0x0, 0x0, 0x0)

program did not crash
testing program (duration=1m26.209204464s, {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}}): mkdirat-mount-mkdirat-mount-setxattr$trusted_overlay_redirect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f0000000100)='devtmpfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000300)=@filename='./dev/mtdblock0\x00', &(0x7f0000000200)='./mnt\x00', &(0x7f0000000400)='jffs2\x00', 0x0, 0x0)
setxattr$trusted_overlay_redirect(&(0x7f0000000240)='./mnt\x00', &(0x7f0000000340), 0x0, 0x0, 0x0)

program did not crash
testing program (duration=1m26.209204464s, {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}}): mkdirat-mount-mkdirat-mount-setxattr$trusted_overlay_redirect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./dev\x00', 0x0, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000300)=@filename='./dev/mtdblock0\x00', &(0x7f0000000200)='./mnt\x00', &(0x7f0000000400)='jffs2\x00', 0x0, 0x0)
setxattr$trusted_overlay_redirect(&(0x7f0000000240)='./mnt\x00', &(0x7f0000000340), 0x0, 0x0, 0x0)

program did not crash
testing program (duration=1m26.209204464s, {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}}): mkdirat-mount-mkdirat-mount-setxattr$trusted_overlay_redirect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./dev\x00', &(0x7f0000000100)='devtmpfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(&(0x7f0000000300)=@filename='./dev/mtdblock0\x00', &(0x7f0000000200)='./mnt\x00', &(0x7f0000000400)='jffs2\x00', 0x0, 0x0)
setxattr$trusted_overlay_redirect(&(0x7f0000000240)='./mnt\x00', &(0x7f0000000340), 0x0, 0x0, 0x0)

program did not crash
testing program (duration=1m26.209204464s, {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}}): mkdirat-mount-mkdirat-mount-setxattr$trusted_overlay_redirect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./dev\x00', &(0x7f0000000100)='devtmpfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./mnt\x00', &(0x7f0000000400)='jffs2\x00', 0x0, 0x0)
setxattr$trusted_overlay_redirect(&(0x7f0000000240)='./mnt\x00', &(0x7f0000000340), 0x0, 0x0, 0x0)

program did not crash
testing program (duration=1m26.209204464s, {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}}): mkdirat-mount-mkdirat-mount-setxattr$trusted_overlay_redirect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./dev\x00', &(0x7f0000000100)='devtmpfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000300)=@filename='./dev/mtdblock0\x00', 0x0, &(0x7f0000000400)='jffs2\x00', 0x0, 0x0)
setxattr$trusted_overlay_redirect(&(0x7f0000000240)='./mnt\x00', &(0x7f0000000340), 0x0, 0x0, 0x0)

program did not crash
testing program (duration=1m26.209204464s, {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}}): mkdirat-mount-mkdirat-mount-setxattr$trusted_overlay_redirect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./dev\x00', &(0x7f0000000100)='devtmpfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000300)=@filename='./dev/mtdblock0\x00', &(0x7f0000000200)='./mnt\x00', 0x0, 0x0, 0x0)
setxattr$trusted_overlay_redirect(&(0x7f0000000240)='./mnt\x00', &(0x7f0000000340), 0x0, 0x0, 0x0)

program did not crash
testing program (duration=1m26.209204464s, {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}}): mkdirat-mount-mkdirat-mount-setxattr$trusted_overlay_redirect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./dev\x00', &(0x7f0000000100)='devtmpfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000300)=@filename='./dev/mtdblock0\x00', &(0x7f0000000200)='./mnt\x00', &(0x7f0000000400)='jffs2\x00', 0x0, 0x0)
setxattr$trusted_overlay_redirect(0x0, &(0x7f0000000340), 0x0, 0x0, 0x0)

program did not crash
testing program (duration=1m26.209204464s, {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}}): mkdirat-mount-mkdirat-mount-setxattr$trusted_overlay_redirect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./dev\x00', &(0x7f0000000100)='devtmpfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000300)=@filename='./dev/mtdblock0\x00', &(0x7f0000000200)='./mnt\x00', &(0x7f0000000400)='jffs2\x00', 0x0, 0x0)
setxattr$trusted_overlay_redirect(&(0x7f0000000240)='./mnt\x00', 0x0, 0x0, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=1m26.209204464s, {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}}): mkdirat-mount-mkdirat-mount-setxattr$trusted_overlay_redirect
program crashed: kernel BUG in jffs2_del_ino_cache
simplifying C reproducer
testing compiled C program (duration=1m26.209204464s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-setxattr$trusted_overlay_redirect
program crashed: kernel BUG in jffs2_del_ino_cache
testing compiled C program (duration=1m26.209204464s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-setxattr$trusted_overlay_redirect
program crashed: kernel BUG in jffs2_del_ino_cache
testing compiled C program (duration=1m26.209204464s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-setxattr$trusted_overlay_redirect
program crashed: kernel BUG in jffs2_del_ino_cache
testing compiled C program (duration=1m26.209204464s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-setxattr$trusted_overlay_redirect
program crashed: kernel BUG in jffs2_del_ino_cache
testing compiled C program (duration=1m26.209204464s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-setxattr$trusted_overlay_redirect
program did not crash
testing compiled C program (duration=1m26.209204464s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-setxattr$trusted_overlay_redirect
program crashed: kernel BUG in jffs2_del_ino_cache
testing compiled C program (duration=1m26.209204464s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-setxattr$trusted_overlay_redirect
program crashed: kernel BUG in jffs2_del_ino_cache
testing program (duration=1m26.209204464s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-setxattr$trusted_overlay_redirect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./dev\x00', &(0x7f0000000100)='devtmpfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000300)=@filename='./dev/mtdblock0\x00', &(0x7f0000000200)='./mnt\x00', &(0x7f0000000400)='jffs2\x00', 0x0, 0x0)
setxattr$trusted_overlay_redirect(&(0x7f0000000240)='./mnt\x00', &(0x7f0000000340), 0x0, 0x0, 0x0)

program crashed: kernel BUG in jffs2_del_ino_cache
validation run: crashed=true
testing program (duration=1m26.209204464s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-setxattr$trusted_overlay_redirect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./dev\x00', &(0x7f0000000100)='devtmpfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000300)=@filename='./dev/mtdblock0\x00', &(0x7f0000000200)='./mnt\x00', &(0x7f0000000400)='jffs2\x00', 0x0, 0x0)
setxattr$trusted_overlay_redirect(&(0x7f0000000240)='./mnt\x00', &(0x7f0000000340), 0x0, 0x0, 0x0)

program crashed: kernel BUG in jffs2_del_ino_cache
validation run: crashed=true
testing program (duration=1m26.209204464s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-setxattr$trusted_overlay_redirect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./dev\x00', &(0x7f0000000100)='devtmpfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000200)='./mnt\x00', 0x1ff)
mount(&(0x7f0000000300)=@filename='./dev/mtdblock0\x00', &(0x7f0000000200)='./mnt\x00', &(0x7f0000000400)='jffs2\x00', 0x0, 0x0)
setxattr$trusted_overlay_redirect(&(0x7f0000000240)='./mnt\x00', &(0x7f0000000340), 0x0, 0x0, 0x0)

program crashed: kernel BUG in jffs2_del_ino_cache
validation run: crashed=true
reproducing took 44m57.422107747s
repro crashed as (corrupted=false):
------------[ cut here ]------------
kernel BUG at fs/jffs2/nodelist.c:462!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 5747 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:jffs2_del_ino_cache+0x2b9/0x2c0 fs/jffs2/nodelist.c:462
Code: fe e9 51 ff ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 4f fe ff ff 4c 89 e7 e8 12 b3 f6 fe e9 42 fe ff ff e8 c8 c2 84 fe 90 <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90003357a38 EFLAGS: 00010293
RAX: ffffffff83444178 RBX: ffff8880746deec0 RCX: ffff8880271a9f40
RDX: 0000000000000000 RSI: ffff8880746deec0 RDI: ffff88807ffde000
RBP: 0000000000000006 R08: ffff88807ffde363 R09: 1ffff1100fffbc6c
R10: dffffc0000000000 R11: ffffed100fffbc6d R12: ffff8880746deec0
R13: dffffc0000000000 R14: ffff8880746deee0 R15: ffff88807ffde000
FS:  0000555573e2e500(0000) GS:ffff88812472e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555573e49a38 CR3: 00000000256a8000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 jffs2_do_clear_inode+0x31f/0x390 fs/jffs2/readinode.c:1443
 evict+0x624/0xb50 fs/inode.c:823
 dispose_list fs/inode.c:865 [inline]
 evict_inodes+0x844/0x8c0 fs/inode.c:918
 generic_shutdown_super+0xaa/0x2d0 fs/super.c:737
 kill_mtd_super+0x23/0x70 drivers/mtd/mtdsuper.c:174
 jffs2_kill_sb+0x96/0xb0 fs/jffs2/super.c:350
 deactivate_locked_super+0xbe/0x110 fs/super.c:586
 cleanup_mnt+0x3d3/0x460 fs/namespace.c:1317
 task_work_run+0x1d9/0x260 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:70 [inline]
 exit_to_user_mode_loop+0x204/0x770 kernel/entry/common.c:101
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:343 [inline]
 do_syscall_64+0x328/0x520 arch/x86/entry/syscall_64.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2ecdd9f397
Code: a2 c7 05 5c 43 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007fffb6966818 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f2ecde344bb RCX: 00007f2ecdd9f397
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffb69668d0
RBP: 00007fffb69668d0 R08: 00007fffb69678d0 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffb6967960
R13: 00007f2ecde344bb R14: 00000000000189c6 R15: 00007fffb69679a0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:jffs2_del_ino_cache+0x2b9/0x2c0 fs/jffs2/nodelist.c:462
Code: fe e9 51 ff ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 4f fe ff ff 4c 89 e7 e8 12 b3 f6 fe e9 42 fe ff ff e8 c8 c2 84 fe 90 <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90003357a38 EFLAGS: 00010293
RAX: ffffffff83444178 RBX: ffff8880746deec0 RCX: ffff8880271a9f40
RDX: 0000000000000000 RSI: ffff8880746deec0 RDI: ffff88807ffde000
RBP: 0000000000000006 R08: ffff88807ffde363 R09: 1ffff1100fffbc6c
R10: dffffc0000000000 R11: ffffed100fffbc6d R12: ffff8880746deec0
R13: dffffc0000000000 R14: ffff8880746deee0 R15: ffff88807ffde000
FS:  0000555573e2e500(0000) GS:ffff88812462e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000558ed3671138 CR3: 00000000256a8000 CR4: 00000000003526f0

final repro crashed as (corrupted=false):
------------[ cut here ]------------
kernel BUG at fs/jffs2/nodelist.c:462!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 5747 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:jffs2_del_ino_cache+0x2b9/0x2c0 fs/jffs2/nodelist.c:462
Code: fe e9 51 ff ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 4f fe ff ff 4c 89 e7 e8 12 b3 f6 fe e9 42 fe ff ff e8 c8 c2 84 fe 90 <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90003357a38 EFLAGS: 00010293
RAX: ffffffff83444178 RBX: ffff8880746deec0 RCX: ffff8880271a9f40
RDX: 0000000000000000 RSI: ffff8880746deec0 RDI: ffff88807ffde000
RBP: 0000000000000006 R08: ffff88807ffde363 R09: 1ffff1100fffbc6c
R10: dffffc0000000000 R11: ffffed100fffbc6d R12: ffff8880746deec0
R13: dffffc0000000000 R14: ffff8880746deee0 R15: ffff88807ffde000
FS:  0000555573e2e500(0000) GS:ffff88812472e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555573e49a38 CR3: 00000000256a8000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 jffs2_do_clear_inode+0x31f/0x390 fs/jffs2/readinode.c:1443
 evict+0x624/0xb50 fs/inode.c:823
 dispose_list fs/inode.c:865 [inline]
 evict_inodes+0x844/0x8c0 fs/inode.c:918
 generic_shutdown_super+0xaa/0x2d0 fs/super.c:737
 kill_mtd_super+0x23/0x70 drivers/mtd/mtdsuper.c:174
 jffs2_kill_sb+0x96/0xb0 fs/jffs2/super.c:350
 deactivate_locked_super+0xbe/0x110 fs/super.c:586
 cleanup_mnt+0x3d3/0x460 fs/namespace.c:1317
 task_work_run+0x1d9/0x260 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:70 [inline]
 exit_to_user_mode_loop+0x204/0x770 kernel/entry/common.c:101
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:343 [inline]
 do_syscall_64+0x328/0x520 arch/x86/entry/syscall_64.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2ecdd9f397
Code: a2 c7 05 5c 43 25 00 00 00 00 00 eb 96 e8 e1 12 00 00 90 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8
RSP: 002b:00007fffb6966818 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 00007f2ecde344bb RCX: 00007f2ecdd9f397
RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffb69668d0
RBP: 00007fffb69668d0 R08: 00007fffb69678d0 R09: 00000000ffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fffb6967960
R13: 00007f2ecde344bb R14: 00000000000189c6 R15: 00007fffb69679a0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:jffs2_del_ino_cache+0x2b9/0x2c0 fs/jffs2/nodelist.c:462
Code: fe e9 51 ff ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 4f fe ff ff 4c 89 e7 e8 12 b3 f6 fe e9 42 fe ff ff e8 c8 c2 84 fe 90 <0f> 0b 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90
RSP: 0018:ffffc90003357a38 EFLAGS: 00010293
RAX: ffffffff83444178 RBX: ffff8880746deec0 RCX: ffff8880271a9f40
RDX: 0000000000000000 RSI: ffff8880746deec0 RDI: ffff88807ffde000
RBP: 0000000000000006 R08: ffff88807ffde363 R09: 1ffff1100fffbc6c
R10: dffffc0000000000 R11: ffffed100fffbc6d R12: ffff8880746deec0
R13: dffffc0000000000 R14: ffff8880746deee0 R15: ffff88807ffde000
FS:  0000555573e2e500(0000) GS:ffff88812462e000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000558ed3671138 CR3: 00000000256a8000 CR4: 00000000003526f0