Extracting prog: 1m19.733015555s
Minimizing prog: 21m3.247653647s
Simplifying prog options: 0s
Extracting C: 23.808971899s
Simplifying C: 3m15.219673176s


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:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat$dir-openat-write-openat-write$binfmt_format-mkdirat-mount-openat-socket$nl_route-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x33)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pnp/drivers/serial\x00', 0x0, 0x0)
r1 = openat(r0, &(0x7f0000000140)='unbind\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='00:03\n', 0x6)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/tty/ttyS0/console\x00', 0x2, 0x0)
write$binfmt_format(r2, &(0x7f0000000080)='1\x00', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./myproc\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./myproc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./myproc/interrupts\x00', 0x0, 0x0)
r4 = socket$nl_route(0x10, 0x3, 0x0)
sendfile(r4, r3, 0x0, 0x7ff)

program crashed: KASAN: use-after-free Read in seq_printf
single: successfully extracted reproducer
found reproducer with 12 syscalls
minimizing guilty program
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat$dir-openat-write-openat-write$binfmt_format-mkdirat-mount-openat-socket$nl_route
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x33)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pnp/drivers/serial\x00', 0x0, 0x0)
r1 = openat(r0, &(0x7f0000000140)='unbind\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='00:03\n', 0x6)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/tty/ttyS0/console\x00', 0x2, 0x0)
write$binfmt_format(r2, &(0x7f0000000080)='1\x00', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./myproc\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./myproc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./myproc/interrupts\x00', 0x0, 0x0)
socket$nl_route(0x10, 0x3, 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat$dir-openat-write-openat-write$binfmt_format-mkdirat-mount-openat-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x33)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pnp/drivers/serial\x00', 0x0, 0x0)
r1 = openat(r0, &(0x7f0000000140)='unbind\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='00:03\n', 0x6)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/tty/ttyS0/console\x00', 0x2, 0x0)
write$binfmt_format(r2, &(0x7f0000000080)='1\x00', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./myproc\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./myproc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./myproc/interrupts\x00', 0x0, 0x0)
sendfile(0xffffffffffffffff, r3, 0x0, 0x7ff)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat$dir-openat-write-openat-write$binfmt_format-mkdirat-mount-socket$nl_route-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x33)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pnp/drivers/serial\x00', 0x0, 0x0)
r1 = openat(r0, &(0x7f0000000140)='unbind\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='00:03\n', 0x6)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/tty/ttyS0/console\x00', 0x2, 0x0)
write$binfmt_format(r2, &(0x7f0000000080)='1\x00', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./myproc\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./myproc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0)
r3 = socket$nl_route(0x10, 0x3, 0x0)
sendfile(r3, 0xffffffffffffffff, 0x0, 0x7ff)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat$dir-openat-write-openat-write$binfmt_format-mkdirat-openat-socket$nl_route-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x33)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pnp/drivers/serial\x00', 0x0, 0x0)
r1 = openat(r0, &(0x7f0000000140)='unbind\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='00:03\n', 0x6)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/tty/ttyS0/console\x00', 0x2, 0x0)
write$binfmt_format(r2, &(0x7f0000000080)='1\x00', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./myproc\x00', 0x1ff)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./myproc/interrupts\x00', 0x0, 0x0)
r4 = socket$nl_route(0x10, 0x3, 0x0)
sendfile(r4, r3, 0x0, 0x7ff)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat$dir-openat-write-openat-write$binfmt_format-mount-openat-socket$nl_route-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x33)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pnp/drivers/serial\x00', 0x0, 0x0)
r1 = openat(r0, &(0x7f0000000140)='unbind\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='00:03\n', 0x6)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/tty/ttyS0/console\x00', 0x2, 0x0)
write$binfmt_format(r2, &(0x7f0000000080)='1\x00', 0x2)
mount(0x0, &(0x7f0000000100)='./myproc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./myproc/interrupts\x00', 0x0, 0x0)
r4 = socket$nl_route(0x10, 0x3, 0x0)
sendfile(r4, r3, 0x0, 0x7ff)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat$dir-openat-write-openat-mkdirat-mount-openat-socket$nl_route-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x33)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pnp/drivers/serial\x00', 0x0, 0x0)
r1 = openat(r0, &(0x7f0000000140)='unbind\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='00:03\n', 0x6)
openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/tty/ttyS0/console\x00', 0x2, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./myproc\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./myproc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./myproc/interrupts\x00', 0x0, 0x0)
r3 = socket$nl_route(0x10, 0x3, 0x0)
sendfile(r3, r2, 0x0, 0x7ff)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat$dir-openat-write-write$binfmt_format-mkdirat-mount-openat-socket$nl_route-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x33)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pnp/drivers/serial\x00', 0x0, 0x0)
r1 = openat(r0, &(0x7f0000000140)='unbind\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='00:03\n', 0x6)
write$binfmt_format(0xffffffffffffffff, &(0x7f0000000080)='1\x00', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./myproc\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./myproc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./myproc/interrupts\x00', 0x0, 0x0)
r3 = socket$nl_route(0x10, 0x3, 0x0)
sendfile(r3, r2, 0x0, 0x7ff)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat$dir-openat-openat-write$binfmt_format-mkdirat-mount-openat-socket$nl_route-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x33)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pnp/drivers/serial\x00', 0x0, 0x0)
openat(r0, &(0x7f0000000140)='unbind\x00', 0x1, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/tty/ttyS0/console\x00', 0x2, 0x0)
write$binfmt_format(r1, &(0x7f0000000080)='1\x00', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./myproc\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./myproc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./myproc/interrupts\x00', 0x0, 0x0)
r3 = socket$nl_route(0x10, 0x3, 0x0)
sendfile(r3, r2, 0x0, 0x7ff)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat$dir-write-openat-write$binfmt_format-mkdirat-mount-openat-socket$nl_route-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x33)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pnp/drivers/serial\x00', 0x0, 0x0)
write(0xffffffffffffffff, &(0x7f00000001c0)='00:03\n', 0x6)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/tty/ttyS0/console\x00', 0x2, 0x0)
write$binfmt_format(r0, &(0x7f0000000080)='1\x00', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./myproc\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./myproc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./myproc/interrupts\x00', 0x0, 0x0)
r2 = socket$nl_route(0x10, 0x3, 0x0)
sendfile(r2, r1, 0x0, 0x7ff)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write$binfmt_format-mkdirat-mount-openat-socket$nl_route-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x33)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffffff, &(0x7f0000000140)='unbind\x00', 0x1, 0x0)
write(r0, &(0x7f00000001c0)='00:03\n', 0x6)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/tty/ttyS0/console\x00', 0x2, 0x0)
write$binfmt_format(r1, &(0x7f0000000080)='1\x00', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./myproc\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./myproc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./myproc/interrupts\x00', 0x0, 0x0)
r3 = socket$nl_route(0x10, 0x3, 0x0)
sendfile(r3, r2, 0x0, 0x7ff)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat$dir-openat-write-openat-write$binfmt_format-mkdirat-mount-openat-socket$nl_route-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x33)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pnp/drivers/serial\x00', 0x0, 0x0)
r1 = openat(r0, &(0x7f0000000140)='unbind\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='00:03\n', 0x6)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/tty/ttyS0/console\x00', 0x2, 0x0)
write$binfmt_format(r2, &(0x7f0000000080)='1\x00', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./myproc\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./myproc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./myproc/interrupts\x00', 0x0, 0x0)
r4 = socket$nl_route(0x10, 0x3, 0x0)
sendfile(r4, r3, 0x0, 0x7ff)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount-openat$dir-openat-write-openat-write$binfmt_format-mkdirat-mount-openat-socket$nl_route-sendfile
detailed listing:
executing program 0:
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pnp/drivers/serial\x00', 0x0, 0x0)
r1 = openat(r0, &(0x7f0000000140)='unbind\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='00:03\n', 0x6)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/tty/ttyS0/console\x00', 0x2, 0x0)
write$binfmt_format(r2, &(0x7f0000000080)='1\x00', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./myproc\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./myproc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./myproc/interrupts\x00', 0x0, 0x0)
r4 = socket$nl_route(0x10, 0x3, 0x0)
sendfile(r4, r3, 0x0, 0x7ff)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat$dir-openat-write-openat-write$binfmt_format-mkdirat-mount-openat-socket$nl_route-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x33)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pnp/drivers/serial\x00', 0x0, 0x0)
r1 = openat(r0, &(0x7f0000000140)='unbind\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='00:03\n', 0x6)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/tty/ttyS0/console\x00', 0x2, 0x0)
write$binfmt_format(r2, &(0x7f0000000080)='1\x00', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./myproc\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./myproc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./myproc/interrupts\x00', 0x0, 0x0)
r4 = socket$nl_route(0x10, 0x3, 0x0)
sendfile(r4, r3, 0x0, 0x7ff)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat$dir-openat-write-openat-write$binfmt_format-mkdirat-mount-openat-socket$nl_route-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x33)
mount(0x0, 0x0, &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pnp/drivers/serial\x00', 0x0, 0x0)
r1 = openat(r0, &(0x7f0000000140)='unbind\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='00:03\n', 0x6)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/tty/ttyS0/console\x00', 0x2, 0x0)
write$binfmt_format(r2, &(0x7f0000000080)='1\x00', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./myproc\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./myproc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./myproc/interrupts\x00', 0x0, 0x0)
r4 = socket$nl_route(0x10, 0x3, 0x0)
sendfile(r4, r3, 0x0, 0x7ff)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat$dir-openat-write-openat-write$binfmt_format-mkdirat-mount-openat-socket$nl_route-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x33)
mount(0x0, &(0x7f0000000000)='./sys\x00', 0x0, 0x0, 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pnp/drivers/serial\x00', 0x0, 0x0)
r1 = openat(r0, &(0x7f0000000140)='unbind\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='00:03\n', 0x6)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/tty/ttyS0/console\x00', 0x2, 0x0)
write$binfmt_format(r2, &(0x7f0000000080)='1\x00', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./myproc\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./myproc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./myproc/interrupts\x00', 0x0, 0x0)
r4 = socket$nl_route(0x10, 0x3, 0x0)
sendfile(r4, r3, 0x0, 0x7ff)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat$dir-openat-write-openat-write$binfmt_format-mkdirat-mount-openat-socket$nl_route-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x33)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat$dir(0xffffffffffffff9c, 0x0, 0x0, 0x0)
r1 = openat(r0, &(0x7f0000000140)='unbind\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='00:03\n', 0x6)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/tty/ttyS0/console\x00', 0x2, 0x0)
write$binfmt_format(r2, &(0x7f0000000080)='1\x00', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./myproc\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./myproc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./myproc/interrupts\x00', 0x0, 0x0)
r4 = socket$nl_route(0x10, 0x3, 0x0)
sendfile(r4, r3, 0x0, 0x7ff)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat$dir-openat-write-openat-write$binfmt_format-mkdirat-mount-openat-socket$nl_route-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x33)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pnp/drivers/serial\x00', 0x0, 0x0)
r1 = openat(r0, 0x0, 0x1, 0x0)
write(r1, &(0x7f00000001c0)='00:03\n', 0x6)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/tty/ttyS0/console\x00', 0x2, 0x0)
write$binfmt_format(r2, &(0x7f0000000080)='1\x00', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./myproc\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./myproc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./myproc/interrupts\x00', 0x0, 0x0)
r4 = socket$nl_route(0x10, 0x3, 0x0)
sendfile(r4, r3, 0x0, 0x7ff)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat$dir-openat-write-openat-write$binfmt_format-mkdirat-mount-openat-socket$nl_route-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x33)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pnp/drivers/serial\x00', 0x0, 0x0)
r1 = openat(r0, &(0x7f0000000140)='unbind\x00', 0x1, 0x0)
write(r1, 0x0, 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/tty/ttyS0/console\x00', 0x2, 0x0)
write$binfmt_format(r2, &(0x7f0000000080)='1\x00', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./myproc\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./myproc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./myproc/interrupts\x00', 0x0, 0x0)
r4 = socket$nl_route(0x10, 0x3, 0x0)
sendfile(r4, r3, 0x0, 0x7ff)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat$dir-openat-write-openat-write$binfmt_format-mkdirat-mount-openat-socket$nl_route-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x33)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pnp/drivers/serial\x00', 0x0, 0x0)
r1 = openat(r0, &(0x7f0000000140)='unbind\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0), 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/tty/ttyS0/console\x00', 0x2, 0x0)
write$binfmt_format(r2, &(0x7f0000000080)='1\x00', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./myproc\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./myproc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./myproc/interrupts\x00', 0x0, 0x0)
r4 = socket$nl_route(0x10, 0x3, 0x0)
sendfile(r4, r3, 0x0, 0x7ff)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat$dir-openat-write-openat-write$binfmt_format-mkdirat-mount-openat-socket$nl_route-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x33)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pnp/drivers/serial\x00', 0x0, 0x0)
r1 = openat(r0, &(0x7f0000000140)='unbind\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='00:03\n', 0x6)
r2 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
write$binfmt_format(r2, &(0x7f0000000080)='1\x00', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./myproc\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./myproc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./myproc/interrupts\x00', 0x0, 0x0)
r4 = socket$nl_route(0x10, 0x3, 0x0)
sendfile(r4, r3, 0x0, 0x7ff)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat$dir-openat-write-openat-write$binfmt_format-mkdirat-mount-openat-socket$nl_route-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x33)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pnp/drivers/serial\x00', 0x0, 0x0)
r1 = openat(r0, &(0x7f0000000140)='unbind\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='00:03\n', 0x6)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/tty/ttyS0/console\x00', 0x2, 0x0)
write$binfmt_format(r2, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./myproc\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./myproc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./myproc/interrupts\x00', 0x0, 0x0)
r4 = socket$nl_route(0x10, 0x3, 0x0)
sendfile(r4, r3, 0x0, 0x7ff)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat$dir-openat-write-openat-write$binfmt_format-mkdirat-mount-openat-socket$nl_route-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x33)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pnp/drivers/serial\x00', 0x0, 0x0)
r1 = openat(r0, &(0x7f0000000140)='unbind\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='00:03\n', 0x6)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/tty/ttyS0/console\x00', 0x2, 0x0)
write$binfmt_format(r2, &(0x7f0000000080)='1\x00', 0x2)
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(0x0, &(0x7f0000000100)='./myproc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./myproc/interrupts\x00', 0x0, 0x0)
r4 = socket$nl_route(0x10, 0x3, 0x0)
sendfile(r4, r3, 0x0, 0x7ff)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat$dir-openat-write-openat-write$binfmt_format-mkdirat-mount-openat-socket$nl_route-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x33)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pnp/drivers/serial\x00', 0x0, 0x0)
r1 = openat(r0, &(0x7f0000000140)='unbind\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='00:03\n', 0x6)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/tty/ttyS0/console\x00', 0x2, 0x0)
write$binfmt_format(r2, &(0x7f0000000080)='1\x00', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./myproc\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f0000000200)='proc\x00', 0x0, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./myproc/interrupts\x00', 0x0, 0x0)
r4 = socket$nl_route(0x10, 0x3, 0x0)
sendfile(r4, r3, 0x0, 0x7ff)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat$dir-openat-write-openat-write$binfmt_format-mkdirat-mount-openat-socket$nl_route-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x33)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pnp/drivers/serial\x00', 0x0, 0x0)
r1 = openat(r0, &(0x7f0000000140)='unbind\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='00:03\n', 0x6)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/tty/ttyS0/console\x00', 0x2, 0x0)
write$binfmt_format(r2, &(0x7f0000000080)='1\x00', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./myproc\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./myproc\x00', 0x0, 0x0, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./myproc/interrupts\x00', 0x0, 0x0)
r4 = socket$nl_route(0x10, 0x3, 0x0)
sendfile(r4, r3, 0x0, 0x7ff)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat$dir-openat-write-openat-write$binfmt_format-mkdirat-mount-openat-socket$nl_route-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x33)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pnp/drivers/serial\x00', 0x0, 0x0)
r1 = openat(r0, &(0x7f0000000140)='unbind\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='00:03\n', 0x6)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/tty/ttyS0/console\x00', 0x2, 0x0)
write$binfmt_format(r2, &(0x7f0000000080)='1\x00', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./myproc\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./myproc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0)
r3 = openat(0xffffffffffffff9c, 0x0, 0x0, 0x0)
r4 = socket$nl_route(0x10, 0x3, 0x0)
sendfile(r4, r3, 0x0, 0x7ff)

program did not crash
extracting C reproducer
testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat$dir-openat-write-openat-write$binfmt_format-mkdirat-mount-openat-socket$nl_route-sendfile
program crashed: KASAN: use-after-free Read in seq_printf
simplifying C reproducer
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat$dir-openat-write-openat-write$binfmt_format-mkdirat-mount-openat-socket$nl_route-sendfile
program crashed: KASAN: use-after-free Read in seq_printf
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat$dir-openat-write-openat-write$binfmt_format-mkdirat-mount-openat-socket$nl_route-sendfile
program crashed: KASAN: use-after-free Read in seq_printf
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat$dir-openat-write-openat-write$binfmt_format-mkdirat-mount-openat-socket$nl_route-sendfile
program crashed: KASAN: use-after-free Read in seq_printf
testing compiled C program (duration=30s, {Threaded:false Repeat:false 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-openat$dir-openat-write-openat-write$binfmt_format-mkdirat-mount-openat-socket$nl_route-sendfile
program crashed: KASAN: use-after-free Read in seq_printf
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat$dir-openat-write-openat-write$binfmt_format-mkdirat-mount-openat-socket$nl_route-sendfile
program crashed: KASAN: use-after-free Read in seq_printf
testing compiled C program (duration=30s, {Threaded:false Repeat:false 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:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat$dir-openat-write-openat-write$binfmt_format-mkdirat-mount-openat-socket$nl_route-sendfile
program crashed: KASAN: use-after-free Read in seq_printf
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat$dir-openat-write-openat-write$binfmt_format-mkdirat-mount-openat-socket$nl_route-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x33)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pnp/drivers/serial\x00', 0x0, 0x0)
r1 = openat(r0, &(0x7f0000000140)='unbind\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='00:03\n', 0x6)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/tty/ttyS0/console\x00', 0x2, 0x0)
write$binfmt_format(r2, &(0x7f0000000080)='1\x00', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./myproc\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./myproc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./myproc/interrupts\x00', 0x0, 0x0)
r4 = socket$nl_route(0x10, 0x3, 0x0)
sendfile(r4, r3, 0x0, 0x7ff)

program crashed: KASAN: use-after-free Read in seq_printf
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false 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:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat$dir-openat-write-openat-write$binfmt_format-mkdirat-mount-openat-socket$nl_route-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x33)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pnp/drivers/serial\x00', 0x0, 0x0)
r1 = openat(r0, &(0x7f0000000140)='unbind\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='00:03\n', 0x6)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/tty/ttyS0/console\x00', 0x2, 0x0)
write$binfmt_format(r2, &(0x7f0000000080)='1\x00', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./myproc\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./myproc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./myproc/interrupts\x00', 0x0, 0x0)
r4 = socket$nl_route(0x10, 0x3, 0x0)
sendfile(r4, r3, 0x0, 0x7ff)

program crashed: KASAN: use-after-free Read in seq_printf
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false 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:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat$dir-openat-write-openat-write$binfmt_format-mkdirat-mount-openat-socket$nl_route-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x33)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0)
r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pnp/drivers/serial\x00', 0x0, 0x0)
r1 = openat(r0, &(0x7f0000000140)='unbind\x00', 0x1, 0x0)
write(r1, &(0x7f00000001c0)='00:03\n', 0x6)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./sys/class/tty/ttyS0/console\x00', 0x2, 0x0)
write$binfmt_format(r2, &(0x7f0000000080)='1\x00', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./myproc\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./myproc\x00', &(0x7f0000000200)='proc\x00', 0x0, 0x0)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./myproc/interrupts\x00', 0x0, 0x0)
r4 = socket$nl_route(0x10, 0x3, 0x0)
sendfile(r4, r3, 0x0, 0x7ff)

program crashed: KASAN: use-after-free Read in seq_printf
validation run: crashed=true
reproducing took 27m51.042451822s
repro crashed as (corrupted=false):
printk: console [ttyS0] disabled
printk: console [ttyS0] enabled
==================================================================
BUG: KASAN: use-after-free in string_nocheck lib/vsprintf.c:642 [inline]
BUG: KASAN: use-after-free in string+0x20f/0x2a0 lib/vsprintf.c:724
Read of size 1 at addr ffff888101be50a0 by task syz.2.17/370

CPU: 0 PID: 370 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:427 [inline]
 kasan_report+0x10f/0x150 mm/kasan/report.c:444
 __asan_report_load1_noabort+0x14/0x20 mm/kasan/report_generic.c:306
 string_nocheck lib/vsprintf.c:642 [inline]
 string+0x20f/0x2a0 lib/vsprintf.c:724
 vsnprintf+0xec5/0x1990 lib/vsprintf.c:2811
 seq_vprintf fs/seq_file.c:407 [inline]
 seq_printf+0x185/0x280 fs/seq_file.c:422
 show_interrupts+0x91d/0xa90 kernel/irq/proc.c:527
 seq_read_iter+0x908/0xce0 fs/seq_file.c:272
 proc_reg_read_iter+0x1be/0x290 fs/proc/inode.c:300
 call_read_iter include/linux/fs.h:2212 [inline]
 generic_file_splice_read+0x3ea/0x5f0 fs/splice.c:311
 do_splice_to fs/splice.c:796 [inline]
 splice_direct_to_actor+0x40f/0xb40 fs/splice.c:870
 do_splice_direct+0x1c2/0x2d0 fs/splice.c:979
 do_sendfile+0x515/0xe20 fs/read_write.c:1249
 __do_sys_sendfile64 fs/read_write.c:1317 [inline]
 __se_sys_sendfile64 fs/read_write.c:1303 [inline]
 __x64_sys_sendfile64+0x199/0x1f0 fs/read_write.c:1303
 x64_sys_call+0x88d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:41
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f5462200559
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffed8cdb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f5462486fa0 RCX: 00007f5462200559
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000007
RBP: 00007f5462297b20 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000007ff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5462486fac R14: 00007f5462486fa0 R15: 00007f5462486fa0
 </TASK>

Allocated by task 1:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:433 [inline]
 ____kasan_kmalloc mm/kasan/common.c:512 [inline]
 __kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:521
 kasan_kmalloc include/linux/kasan.h:227 [inline]
 __kmalloc_track_caller+0x13c/0x2c0 mm/slub.c:4959
 kvasprintf+0xe3/0x1a0 lib/kasprintf.c:25
 kasprintf+0xdf/0x130 lib/kasprintf.c:59
 uart_add_one_port+0x3aa/0x1b60 drivers/tty/serial/serial_core.c:2962
 serial8250_register_8250_port+0x1302/0x1a90 drivers/tty/serial/8250/8250_core.c:1087
 serial_pnp_probe+0x522/0x710 drivers/tty/serial/8250/8250_pnp.c:482
 pnp_device_probe+0x2d0/0x4b0 drivers/pnp/driver.c:111
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x27d/0x970 drivers/base/dd.c:595
 __driver_probe_device+0x193/0x270 drivers/base/dd.c:755
 driver_probe_device+0x54/0x3e0 drivers/base/dd.c:785
 __driver_attach+0x40e/0x550 drivers/base/dd.c:1164
 bus_for_each_dev+0x17b/0x1f0 drivers/base/bus.c:303
 driver_attach+0x42/0x50 drivers/base/dd.c:1181
 bus_add_driver+0x322/0x560 drivers/base/bus.c:620
 driver_register+0x335/0x440 drivers/base/driver.c:240
 pnp_register_driver+0x7d/0x90 drivers/pnp/driver.c:273
 serial8250_pnp_init+0x15/0x20 drivers/tty/serial/8250/8250_pnp.c:537
 serial8250_init+0xa0/0x170 drivers/tty/serial/8250/8250_core.c:1183
 do_one_initcall+0x1fc/0x5a0 init/main.c:1279
 do_initcall_level+0x174/0x2e0 init/main.c:1352
 do_initcalls+0x50/0xa0 init/main.c:1368
 do_basic_setup+0x81/0x90 init/main.c:1387
 kernel_init_freeable+0x298/0x3d0 init/main.c:1592
 kernel_init+0x1d/0x1b0 init/main.c:1483
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287

Freed by task 370:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4a/0x70 mm/kasan/common.c:45
 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373
 kasan_slab_free include/linux/kasan.h:193 [inline]
 slab_free_hook mm/slub.c:1728 [inline]
 slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1754
 slab_free mm/slub.c:3526 [inline]
 kfree+0xc4/0x270 mm/slub.c:4588
 uart_remove_one_port+0x39d/0x760 drivers/tty/serial/serial_core.c:3085
 serial8250_unregister_port+0xad/0x260 drivers/tty/serial/8250/8250_core.c:1146
 serial_pnp_remove+0x6b/0x90 drivers/tty/serial/8250/8250_pnp.c:500
 pnp_device_remove+0x75/0x250 drivers/pnp/driver.c:133
 __device_release_driver drivers/base/dd.c:1227 [inline]
 device_release_driver_internal+0x4e8/0x7c0 drivers/base/dd.c:1262
 device_driver_detach+0x3b/0x40 drivers/base/dd.c:1298
 unbind_store+0x2e5/0x300 drivers/base/bus.c:193
 drv_attr_store+0x79/0xa0 drivers/base/bus.c:77
 sysfs_kf_write+0x129/0x150 fs/sysfs/file.c:143
 kernfs_fop_write_iter+0x2bd/0x400 fs/kernfs/file.c:296
 call_write_iter include/linux/fs.h:2218 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0x831/0xfd0 fs/read_write.c:594
 ksys_write+0x14a/0x260 fs/read_write.c:647
 __do_sys_write fs/read_write.c:659 [inline]
 __se_sys_write fs/read_write.c:656 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:656
 x64_sys_call+0x8ef/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:2
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0

The buggy address belongs to the object at ffff888101be50a0
 which belongs to the cache kmalloc-8 of size 8
The buggy address is located 0 bytes inside of
 8-byte region [ffff888101be50a0, ffff888101be50a8)
The buggy address belongs to the page:
page:ffffea000406f940 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101be5
flags: 0x4000000000000200(slab|zone=1)
raw: 4000000000000200 ffffea00040af740 0000000500000005 ffff888100042300
raw: 0000000000000000 0000000000660066 00000001ffffffff 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 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 1, ts 2430786845, free_ts 0
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2607
 prep_new_page+0x1c/0x110 mm/page_alloc.c:2613
 get_page_from_freelist+0x2c3a/0x2cd0 mm/page_alloc.c:4487
 __alloc_pages+0x1a2/0x460 mm/page_alloc.c:5824
 alloc_slab_page mm/slub.c:-1 [inline]
 allocate_slab mm/slub.c:1937 [inline]
 new_slab+0xa0/0x4d0 mm/slub.c:2000
 ___slab_alloc+0x3ac/0x840 mm/slub.c:3033
 __slab_alloc+0x49/0x90 mm/slub.c:3120
 slab_alloc_node mm/slub.c:3211 [inline]
 slab_alloc mm/slub.c:3255 [inline]
 __kmalloc_track_caller+0x169/0x2c0 mm/slub.c:4954
 kvasprintf+0xe3/0x1a0 lib/kasprintf.c:25
 kvasprintf_const+0xf2/0x240 lib/kasprintf.c:49
 kobject_set_name_vargs+0x61/0x110 lib/kobject.c:297
 dev_set_name+0xdf/0x130 drivers/base/core.c:3210
 register_virtio_device+0x106/0x660 drivers/virtio/virtio.c:399
 virtio_pci_probe+0x26f/0x320 drivers/virtio/virtio_pci_common.c:553
 local_pci_probe drivers/pci/pci-driver.c:323 [inline]
 pci_call_probe drivers/pci/pci-driver.c:380 [inline]
 __pci_device_probe drivers/pci/pci-driver.c:405 [inline]
 pci_device_probe+0x27a/0x440 drivers/pci/pci-driver.c:448
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x27d/0x970 drivers/base/dd.c:595
page_owner free stack trace missing

Memory state around the buggy address:
 ffff888101be4f80: fb fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc
 ffff888101be5000: fa fc fc fc fc 06 fc fc fc fc fa fc fc fc fc fa
>ffff888101be5080: fc fc fc fc fa fc fc fc fc 06 fc fc fc fc 05 fc
                               ^
 ffff888101be5100: fc fc fc fa fc fc fc fc 05 fc fc fc fc fa fc fc
 ffff888101be5180: fc fc 06 fc fc fc fc fa fc fc fc fc 06 fc fc fc
==================================================================

final repro crashed as (corrupted=false):
printk: console [ttyS0] disabled
printk: console [ttyS0] enabled
==================================================================
BUG: KASAN: use-after-free in string_nocheck lib/vsprintf.c:642 [inline]
BUG: KASAN: use-after-free in string+0x20f/0x2a0 lib/vsprintf.c:724
Read of size 1 at addr ffff888101be50a0 by task syz.2.17/370

CPU: 0 PID: 370 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:427 [inline]
 kasan_report+0x10f/0x150 mm/kasan/report.c:444
 __asan_report_load1_noabort+0x14/0x20 mm/kasan/report_generic.c:306
 string_nocheck lib/vsprintf.c:642 [inline]
 string+0x20f/0x2a0 lib/vsprintf.c:724
 vsnprintf+0xec5/0x1990 lib/vsprintf.c:2811
 seq_vprintf fs/seq_file.c:407 [inline]
 seq_printf+0x185/0x280 fs/seq_file.c:422
 show_interrupts+0x91d/0xa90 kernel/irq/proc.c:527
 seq_read_iter+0x908/0xce0 fs/seq_file.c:272
 proc_reg_read_iter+0x1be/0x290 fs/proc/inode.c:300
 call_read_iter include/linux/fs.h:2212 [inline]
 generic_file_splice_read+0x3ea/0x5f0 fs/splice.c:311
 do_splice_to fs/splice.c:796 [inline]
 splice_direct_to_actor+0x40f/0xb40 fs/splice.c:870
 do_splice_direct+0x1c2/0x2d0 fs/splice.c:979
 do_sendfile+0x515/0xe20 fs/read_write.c:1249
 __do_sys_sendfile64 fs/read_write.c:1317 [inline]
 __se_sys_sendfile64 fs/read_write.c:1303 [inline]
 __x64_sys_sendfile64+0x199/0x1f0 fs/read_write.c:1303
 x64_sys_call+0x88d/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:41
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f5462200559
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffed8cdb208 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f5462486fa0 RCX: 00007f5462200559
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000007
RBP: 00007f5462297b20 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000007ff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5462486fac R14: 00007f5462486fa0 R15: 00007f5462486fa0
 </TASK>

Allocated by task 1:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:433 [inline]
 ____kasan_kmalloc mm/kasan/common.c:512 [inline]
 __kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:521
 kasan_kmalloc include/linux/kasan.h:227 [inline]
 __kmalloc_track_caller+0x13c/0x2c0 mm/slub.c:4959
 kvasprintf+0xe3/0x1a0 lib/kasprintf.c:25
 kasprintf+0xdf/0x130 lib/kasprintf.c:59
 uart_add_one_port+0x3aa/0x1b60 drivers/tty/serial/serial_core.c:2962
 serial8250_register_8250_port+0x1302/0x1a90 drivers/tty/serial/8250/8250_core.c:1087
 serial_pnp_probe+0x522/0x710 drivers/tty/serial/8250/8250_pnp.c:482
 pnp_device_probe+0x2d0/0x4b0 drivers/pnp/driver.c:111
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x27d/0x970 drivers/base/dd.c:595
 __driver_probe_device+0x193/0x270 drivers/base/dd.c:755
 driver_probe_device+0x54/0x3e0 drivers/base/dd.c:785
 __driver_attach+0x40e/0x550 drivers/base/dd.c:1164
 bus_for_each_dev+0x17b/0x1f0 drivers/base/bus.c:303
 driver_attach+0x42/0x50 drivers/base/dd.c:1181
 bus_add_driver+0x322/0x560 drivers/base/bus.c:620
 driver_register+0x335/0x440 drivers/base/driver.c:240
 pnp_register_driver+0x7d/0x90 drivers/pnp/driver.c:273
 serial8250_pnp_init+0x15/0x20 drivers/tty/serial/8250/8250_pnp.c:537
 serial8250_init+0xa0/0x170 drivers/tty/serial/8250/8250_core.c:1183
 do_one_initcall+0x1fc/0x5a0 init/main.c:1279
 do_initcall_level+0x174/0x2e0 init/main.c:1352
 do_initcalls+0x50/0xa0 init/main.c:1368
 do_basic_setup+0x81/0x90 init/main.c:1387
 kernel_init_freeable+0x298/0x3d0 init/main.c:1592
 kernel_init+0x1d/0x1b0 init/main.c:1483
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287

Freed by task 370:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4a/0x70 mm/kasan/common.c:45
 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373
 kasan_slab_free include/linux/kasan.h:193 [inline]
 slab_free_hook mm/slub.c:1728 [inline]
 slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1754
 slab_free mm/slub.c:3526 [inline]
 kfree+0xc4/0x270 mm/slub.c:4588
 uart_remove_one_port+0x39d/0x760 drivers/tty/serial/serial_core.c:3085
 serial8250_unregister_port+0xad/0x260 drivers/tty/serial/8250/8250_core.c:1146
 serial_pnp_remove+0x6b/0x90 drivers/tty/serial/8250/8250_pnp.c:500
 pnp_device_remove+0x75/0x250 drivers/pnp/driver.c:133
 __device_release_driver drivers/base/dd.c:1227 [inline]
 device_release_driver_internal+0x4e8/0x7c0 drivers/base/dd.c:1262
 device_driver_detach+0x3b/0x40 drivers/base/dd.c:1298
 unbind_store+0x2e5/0x300 drivers/base/bus.c:193
 drv_attr_store+0x79/0xa0 drivers/base/bus.c:77
 sysfs_kf_write+0x129/0x150 fs/sysfs/file.c:143
 kernfs_fop_write_iter+0x2bd/0x400 fs/kernfs/file.c:296
 call_write_iter include/linux/fs.h:2218 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0x831/0xfd0 fs/read_write.c:594
 ksys_write+0x14a/0x260 fs/read_write.c:647
 __do_sys_write fs/read_write.c:659 [inline]
 __se_sys_write fs/read_write.c:656 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:656
 x64_sys_call+0x8ef/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:2
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0

The buggy address belongs to the object at ffff888101be50a0
 which belongs to the cache kmalloc-8 of size 8
The buggy address is located 0 bytes inside of
 8-byte region [ffff888101be50a0, ffff888101be50a8)
The buggy address belongs to the page:
page:ffffea000406f940 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x101be5
flags: 0x4000000000000200(slab|zone=1)
raw: 4000000000000200 ffffea00040af740 0000000500000005 ffff888100042300
raw: 0000000000000000 0000000000660066 00000001ffffffff 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 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 1, ts 2430786845, free_ts 0
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2607
 prep_new_page+0x1c/0x110 mm/page_alloc.c:2613
 get_page_from_freelist+0x2c3a/0x2cd0 mm/page_alloc.c:4487
 __alloc_pages+0x1a2/0x460 mm/page_alloc.c:5824
 alloc_slab_page mm/slub.c:-1 [inline]
 allocate_slab mm/slub.c:1937 [inline]
 new_slab+0xa0/0x4d0 mm/slub.c:2000
 ___slab_alloc+0x3ac/0x840 mm/slub.c:3033
 __slab_alloc+0x49/0x90 mm/slub.c:3120
 slab_alloc_node mm/slub.c:3211 [inline]
 slab_alloc mm/slub.c:3255 [inline]
 __kmalloc_track_caller+0x169/0x2c0 mm/slub.c:4954
 kvasprintf+0xe3/0x1a0 lib/kasprintf.c:25
 kvasprintf_const+0xf2/0x240 lib/kasprintf.c:49
 kobject_set_name_vargs+0x61/0x110 lib/kobject.c:297
 dev_set_name+0xdf/0x130 drivers/base/core.c:3210
 register_virtio_device+0x106/0x660 drivers/virtio/virtio.c:399
 virtio_pci_probe+0x26f/0x320 drivers/virtio/virtio_pci_common.c:553
 local_pci_probe drivers/pci/pci-driver.c:323 [inline]
 pci_call_probe drivers/pci/pci-driver.c:380 [inline]
 __pci_device_probe drivers/pci/pci-driver.c:405 [inline]
 pci_device_probe+0x27a/0x440 drivers/pci/pci-driver.c:448
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x27d/0x970 drivers/base/dd.c:595
page_owner free stack trace missing

Memory state around the buggy address:
 ffff888101be4f80: fb fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc
 ffff888101be5000: fa fc fc fc fc 06 fc fc fc fc fa fc fc fc fc fa
>ffff888101be5080: fc fc fc fc fa fc fc fc fc 06 fc fc fc fc 05 fc
                               ^
 ffff888101be5100: fc fc fc fa fc fc fc fc 05 fc fc fc fc fa fc fc
 ffff888101be5180: fc fc 06 fc fc fc fc fa fc fc fc fc 06 fc fc fc
==================================================================