Extracting prog: 1m37.458620717s
Minimizing prog: 18m29.382247604s
Simplifying prog options: 0s
Extracting C: 22.650583457s
Simplifying C: 2m48.654814093s


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 crashed: lost connection to test machine
suppressed program crash: lost connection to test machine
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 25m6.666488263s
repro crashed as (corrupted=false):
printk: console [ttyS0] disabled
printk: console [ttyS0] enabled
==================================================================
BUG: KASAN: use-after-free in string_nocheck lib/vsprintf.c:641 [inline]
BUG: KASAN: use-after-free in string+0x20f/0x2a0 lib/vsprintf.c:723
Read of size 1 at addr ffff888102bd0d70 by task syz.2.17/405

CPU: 0 PID: 405 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
Call Trace:
 __dump_stack+0x21/0x24 lib/dump_stack.c:77
 dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:435 [inline]
 kasan_report+0x100/0x140 mm/kasan/report.c:452
 __asan_report_load1_noabort+0x14/0x20 mm/kasan/report_generic.c:306
 string_nocheck lib/vsprintf.c:641 [inline]
 string+0x20f/0x2a0 lib/vsprintf.c:723
 vsnprintf+0xec5/0x1990 lib/vsprintf.c:2689
 seq_vprintf fs/seq_file.c:398 [inline]
 seq_printf+0x185/0x280 fs/seq_file.c:413
 show_interrupts+0x921/0xa90 kernel/irq/proc.c:526
 seq_read_iter+0x908/0xce0 fs/seq_file.c:272
 proc_reg_read_iter+0x1be/0x290 fs/proc/inode.c:310
 call_read_iter include/linux/fs.h:2066 [inline]
 generic_file_splice_read+0x3ea/0x5f0 fs/splice.c:311
 do_splice_to fs/splice.c:791 [inline]
 splice_direct_to_actor+0x40a/0xb20 fs/splice.c:870
 do_splice_direct+0x1c2/0x2d0 fs/splice.c:979
 do_sendfile+0x8df/0x1040 fs/read_write.c:1257
 __do_sys_sendfile64 fs/read_write.c:1318 [inline]
 __se_sys_sendfile64 fs/read_write.c:1304 [inline]
 __x64_sys_sendfile64+0x199/0x1f0 fs/read_write.c:1304
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f0e096b21d9
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:00007ffcf08c06f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f0e09939fa0 RCX: 00007f0e096b21d9
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000007
RBP: 00007f0e09749888 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000007ff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0e09939fac R14: 00007f0e09939fa0 R15: 00007f0e09939fa0

Allocated by task 0:
(stack is not available)

Freed by task 405:
 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:362
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:370
 kasan_slab_free include/linux/kasan.h:220 [inline]
 slab_free_hook mm/slub.c:1600 [inline]
 slab_free_freelist_hook+0xc5/0x190 mm/slub.c:1626
 slab_free mm/slub.c:3208 [inline]
 kfree+0xc0/0x270 mm/slub.c:4196
 uart_remove_one_port+0x3b8/0x780 drivers/tty/serial/serial_core.c:3104
 serial8250_unregister_port+0xad/0x260 drivers/tty/serial/8250/8250_core.c:1156
 serial_pnp_remove+0x6b/0x90 drivers/tty/serial/8250/8250_pnp.c:498
 pnp_device_remove+0x75/0x250 drivers/pnp/driver.c:131
 __device_release_driver drivers/base/dd.c:-1 [inline]
 device_release_driver_internal+0x531/0x7c0 drivers/base/dd.c:1221
 device_driver_detach+0x3b/0x40 drivers/base/dd.c:1257
 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:2072 [inline]
 new_sync_write fs/read_write.c:518 [inline]
 vfs_write+0x770/0xd70 fs/read_write.c:605
 ksys_write+0x14a/0x260 fs/read_write.c:658
 __do_sys_write fs/read_write.c:670 [inline]
 __se_sys_write fs/read_write.c:667 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:667
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb

The buggy address belongs to the object at ffff888102bd0d70
 which belongs to the cache kmalloc-8 of size 8
The buggy address is located 0 bytes inside of
 8-byte region [ffff888102bd0d70, ffff888102bd0d78)
The buggy address belongs to the page:
page:ffffea00040af400 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102bd0
flags: 0x4000000000000200(slab)
raw: 4000000000000200 ffffea0004127140 0000000400000004 ffff888100043c80
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 2080107766, free_ts 0
 set_page_owner include/linux/page_owner.h:35 [inline]
 post_alloc_hook mm/page_alloc.c:2456 [inline]
 prep_new_page+0x176/0x190 mm/page_alloc.c:2462
 get_page_from_freelist+0x225f/0x23f0 mm/page_alloc.c:4254
 __alloc_pages_nodemask+0x29a/0x640 mm/page_alloc.c:5384
 alloc_slab_page mm/slub.c:-1 [inline]
 allocate_slab mm/slub.c:1813 [inline]
 new_slab+0x84/0x3f0 mm/slub.c:1874
 new_slab_objects mm/slub.c:2632 [inline]
 ___slab_alloc+0x2f8/0x4c0 mm/slub.c:2796
 __slab_alloc+0x63/0xa0 mm/slub.c:2836
 slab_alloc_node mm/slub.c:2918 [inline]
 slab_alloc mm/slub.c:2960 [inline]
 __kmalloc_track_caller+0x1e4/0x310 mm/slub.c:4541
 kstrdup mm/util.c:63 [inline]
 kstrdup_const+0x55/0x90 mm/util.c:86
 kvasprintf_const+0xd7/0x240 lib/kasprintf.c:-1
 kobject_set_name_vargs+0x61/0x110 lib/kobject.c:297
 kobject_add_varg lib/kobject.c:392 [inline]
 kobject_init_and_add+0xeb/0x190 lib/kobject.c:481
 sysfs_slab_add+0x89/0x2a0 mm/slub.c:5610
 slab_sysfs_init+0x61/0x15e mm/slub.c:5695
 do_one_initcall+0x205/0x5e0 init/main.c:1172
 do_initcall_level+0x174/0x2dc init/main.c:1245
 do_initcalls+0x50/0x92 init/main.c:1261
page_owner free stack trace missing

Memory state around the buggy address:
 ffff888102bd0c00: fc 00 fc fc fc fc 00 fc fc fc fc fa fc fc fc fc
 ffff888102bd0c80: 00 fc fc fc fc fa fc fc fc fc 00 fc fc fc fc fa
>ffff888102bd0d00: fc fc fc fc fa fc fc fc fc fa fc fc fc fc fa fc
                                                             ^
 ffff888102bd0d80: fc fc fc 00 fc fc fc fc 00 fc fc fc fc 00 fc fc
 ffff888102bd0e00: fc fc fa fc fc fc fc 00 fc fc fc fc 00 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:641 [inline]
BUG: KASAN: use-after-free in string+0x20f/0x2a0 lib/vsprintf.c:723
Read of size 1 at addr ffff888102bd0d70 by task syz.2.17/405

CPU: 0 PID: 405 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
Call Trace:
 __dump_stack+0x21/0x24 lib/dump_stack.c:77
 dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:435 [inline]
 kasan_report+0x100/0x140 mm/kasan/report.c:452
 __asan_report_load1_noabort+0x14/0x20 mm/kasan/report_generic.c:306
 string_nocheck lib/vsprintf.c:641 [inline]
 string+0x20f/0x2a0 lib/vsprintf.c:723
 vsnprintf+0xec5/0x1990 lib/vsprintf.c:2689
 seq_vprintf fs/seq_file.c:398 [inline]
 seq_printf+0x185/0x280 fs/seq_file.c:413
 show_interrupts+0x921/0xa90 kernel/irq/proc.c:526
 seq_read_iter+0x908/0xce0 fs/seq_file.c:272
 proc_reg_read_iter+0x1be/0x290 fs/proc/inode.c:310
 call_read_iter include/linux/fs.h:2066 [inline]
 generic_file_splice_read+0x3ea/0x5f0 fs/splice.c:311
 do_splice_to fs/splice.c:791 [inline]
 splice_direct_to_actor+0x40a/0xb20 fs/splice.c:870
 do_splice_direct+0x1c2/0x2d0 fs/splice.c:979
 do_sendfile+0x8df/0x1040 fs/read_write.c:1257
 __do_sys_sendfile64 fs/read_write.c:1318 [inline]
 __se_sys_sendfile64 fs/read_write.c:1304 [inline]
 __x64_sys_sendfile64+0x199/0x1f0 fs/read_write.c:1304
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f0e096b21d9
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:00007ffcf08c06f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f0e09939fa0 RCX: 00007f0e096b21d9
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000007
RBP: 00007f0e09749888 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000000007ff R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0e09939fac R14: 00007f0e09939fa0 R15: 00007f0e09939fa0

Allocated by task 0:
(stack is not available)

Freed by task 405:
 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:362
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:370
 kasan_slab_free include/linux/kasan.h:220 [inline]
 slab_free_hook mm/slub.c:1600 [inline]
 slab_free_freelist_hook+0xc5/0x190 mm/slub.c:1626
 slab_free mm/slub.c:3208 [inline]
 kfree+0xc0/0x270 mm/slub.c:4196
 uart_remove_one_port+0x3b8/0x780 drivers/tty/serial/serial_core.c:3104
 serial8250_unregister_port+0xad/0x260 drivers/tty/serial/8250/8250_core.c:1156
 serial_pnp_remove+0x6b/0x90 drivers/tty/serial/8250/8250_pnp.c:498
 pnp_device_remove+0x75/0x250 drivers/pnp/driver.c:131
 __device_release_driver drivers/base/dd.c:-1 [inline]
 device_release_driver_internal+0x531/0x7c0 drivers/base/dd.c:1221
 device_driver_detach+0x3b/0x40 drivers/base/dd.c:1257
 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:2072 [inline]
 new_sync_write fs/read_write.c:518 [inline]
 vfs_write+0x770/0xd70 fs/read_write.c:605
 ksys_write+0x14a/0x260 fs/read_write.c:658
 __do_sys_write fs/read_write.c:670 [inline]
 __se_sys_write fs/read_write.c:667 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:667
 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46
 entry_SYSCALL_64_after_hwframe+0x61/0xcb

The buggy address belongs to the object at ffff888102bd0d70
 which belongs to the cache kmalloc-8 of size 8
The buggy address is located 0 bytes inside of
 8-byte region [ffff888102bd0d70, ffff888102bd0d78)
The buggy address belongs to the page:
page:ffffea00040af400 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x102bd0
flags: 0x4000000000000200(slab)
raw: 4000000000000200 ffffea0004127140 0000000400000004 ffff888100043c80
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 2080107766, free_ts 0
 set_page_owner include/linux/page_owner.h:35 [inline]
 post_alloc_hook mm/page_alloc.c:2456 [inline]
 prep_new_page+0x176/0x190 mm/page_alloc.c:2462
 get_page_from_freelist+0x225f/0x23f0 mm/page_alloc.c:4254
 __alloc_pages_nodemask+0x29a/0x640 mm/page_alloc.c:5384
 alloc_slab_page mm/slub.c:-1 [inline]
 allocate_slab mm/slub.c:1813 [inline]
 new_slab+0x84/0x3f0 mm/slub.c:1874
 new_slab_objects mm/slub.c:2632 [inline]
 ___slab_alloc+0x2f8/0x4c0 mm/slub.c:2796
 __slab_alloc+0x63/0xa0 mm/slub.c:2836
 slab_alloc_node mm/slub.c:2918 [inline]
 slab_alloc mm/slub.c:2960 [inline]
 __kmalloc_track_caller+0x1e4/0x310 mm/slub.c:4541
 kstrdup mm/util.c:63 [inline]
 kstrdup_const+0x55/0x90 mm/util.c:86
 kvasprintf_const+0xd7/0x240 lib/kasprintf.c:-1
 kobject_set_name_vargs+0x61/0x110 lib/kobject.c:297
 kobject_add_varg lib/kobject.c:392 [inline]
 kobject_init_and_add+0xeb/0x190 lib/kobject.c:481
 sysfs_slab_add+0x89/0x2a0 mm/slub.c:5610
 slab_sysfs_init+0x61/0x15e mm/slub.c:5695
 do_one_initcall+0x205/0x5e0 init/main.c:1172
 do_initcall_level+0x174/0x2dc init/main.c:1245
 do_initcalls+0x50/0x92 init/main.c:1261
page_owner free stack trace missing

Memory state around the buggy address:
 ffff888102bd0c00: fc 00 fc fc fc fc 00 fc fc fc fc fa fc fc fc fc
 ffff888102bd0c80: 00 fc fc fc fc fa fc fc fc fc 00 fc fc fc fc fa
>ffff888102bd0d00: fc fc fc fc fa fc fc fc fc fa fc fc fc fc fa fc
                                                             ^
 ffff888102bd0d80: fc fc fc 00 fc fc fc fc 00 fc fc fc fc 00 fc fc
 ffff888102bd0e00: fc fc fa fc fc fc fc 00 fc fc fc fc 00 fc fc fc
==================================================================