Extracting prog: 7m3.194013384s
Minimizing prog: 28m58.971524767s
Simplifying prog options: 0s
Extracting C: 1m31.996974109s
Simplifying C: 9m43.658070128s


extracting reproducer from 18 programs
testing a last program of every proc
single: executing 5 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-openat-write-mkdirat-openat-ftruncate-close-openat-write-openat-write-openat-write-mkdirat-openat-write-symlinkat-openat$nvme_fabrics-write-nanosleep-nanosleep-nanosleep-nanosleep-nanosleep-nanosleep-nanosleep-nanosleep-nanosleep-nanosleep-mkdirat-mount-openat-read-openat-read
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000280)='./config/nvmet/subsystems/testnqn\x00', 0x1ed)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./config/nvmet/subsystems/testnqn/attr_allow_any_host\x00', 0x2, 0x0)
write(r0, &(0x7f0000000340)='1\x00', 0x1)
mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./config/nvmet/subsystems/testnqn/namespaces/1\x00', 0x1ed)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./backing_file\x00', 0x42, 0x1ed)
ftruncate(r1, 0x1000000)
close(r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000440)='./config/nvmet/subsystems/testnqn/namespaces/1/device_path\x00', 0x2, 0x0)
write(r2, &(0x7f0000000480)='./backing_file\x00', 0xe)
r3 = openat(0xffffffffffffff9c, &(0x7f00000004c0)='./config/nvmet/subsystems/testnqn/namespaces/1/buffered_io\x00', 0x2, 0x0)
write(r3, &(0x7f0000000500)='1\x00', 0x1)
r4 = openat(0xffffffffffffff9c, &(0x7f0000000540)='./config/nvmet/subsystems/testnqn/namespaces/1/enable\x00', 0x2, 0x0)
write(r4, &(0x7f0000000580)='1\x00', 0x1)
mkdirat(0xffffffffffffff9c, &(0x7f0000000600)='./config/nvmet/ports/1\x00', 0x1ed)
r5 = openat(0xffffffffffffff9c, &(0x7f0000000640)='./config/nvmet/ports/1/addr_trtype\x00', 0x2, 0x0)
write(r5, &(0x7f0000000680)='loop\x00', 0x4)
symlinkat(&(0x7f00000006c0)='./config/nvmet/subsystems/testnqn\x00', 0xffffffffffffff9c, &(0x7f0000000700)='./config/nvmet/ports/1/subsystems/testnqn\x00')
r6 = openat$nvme_fabrics(0xffffffffffffff9c, &(0x7f0000000740), 0x2, 0x0)
write(r6, &(0x7f0000000780)='transport=loop,nqn=testnqn\x00', 0x1a)
nanosleep(&(0x7f0000000800)={0x0, 0x1dcd6500}, 0x0)
nanosleep(&(0x7f0000000800)={0x0, 0x1dcd6500}, 0x0)
nanosleep(&(0x7f0000000800)={0x0, 0x1dcd6500}, 0x0)
nanosleep(&(0x7f0000000800)={0x0, 0x1dcd6500}, 0x0)
nanosleep(&(0x7f0000000800)={0x0, 0x1dcd6500}, 0x0)
nanosleep(&(0x7f0000000800)={0x0, 0x1dcd6500}, 0x0)
nanosleep(&(0x7f0000000800)={0x0, 0x1dcd6500}, 0x0)
nanosleep(&(0x7f0000000800)={0x0, 0x1dcd6500}, 0x0)
nanosleep(&(0x7f0000000800)={0x0, 0x1dcd6500}, 0x0)
nanosleep(&(0x7f0000000800)={0x0, 0x1dcd6500}, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000840)='./sys\x00', 0x1ed)
mount(0x0, &(0x7f0000000840)='./sys\x00', &(0x7f0000000880)='sysfs\x00', 0x0, 0x0)
r7 = openat(0xffffffffffffff9c, &(0x7f00000008c0)='./sys/class/nvme/nvme0/nvme0n1/wwid\x00', 0x0, 0x0)
read(r7, &(0x7f0000000900), 0x64)
r8 = openat(0xffffffffffffff9c, &(0x7f0000000940)='./sys/class/nvme/nvme1/nvme1n1/wwid\x00', 0x0, 0x0)
read(r8, &(0x7f0000000980), 0x64)

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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-nanosleep-mknodat-openat-syz_usb_ep_write
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x2, 0x47, &(0x7f0000000000)=ANY=[@ANYBLOB="12010002ff000008109720770001000000010902350001010080fa0904000005ff00000007058102400000070501024000000705820240000007050202400000070583030200ff"], 0x0)
nanosleep(&(0x7f0000000300)={0x1}, 0x0)
mknodat(0xffffffffffffff9c, &(0x7f0000000100)='./ttyUSB0\x00', 0x81b6, 0xbc00000)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./ttyUSB0\x00', 0x802, 0x0)
syz_usb_ep_write(r0, 0x81, 0x7, &(0x7f0000000200)="01020304050607")

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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-write-mkdirat-mount-mkdirat-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./nfsd\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./nfsd\x00', &(0x7f0000000040)='nfsd\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./nfsd/versions\x00', 0x2, 0x0)
write(r0, &(0x7f0000000640)='-2 -3 +4\n\x00', 0x9)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./nfsd/portlist\x00', 0x2, 0x0)
write(r1, &(0x7f00000000c0)='tcp 2049\n\x00', 0x9)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./nfsd/threads\x00', 0x2, 0x0)
write(r2, &(0x7f0000000140)='1\n\x00', 0x2)
mkdirat(0xffffffffffffff9c, &(0x7f0000000500)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000500)='./proc\x00', &(0x7f0000000540)='proc\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000800)='./export\x00', 0x1ff)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./proc/net/rpc/nfsd.export/channel\x00', 0x2, 0x0)
write(r3, &(0x7f0000000280)='mydomain /export 2147483647 8192 0 0 0\n\x00', 0x27)

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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(&(0x7f0000000000)=@filename='none\x00', &(0x7f0000000080)='./sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/power/state\x00', 0x2, 0x0)
write(r0, &(0x7f0000000040)='disk', 0x4)

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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-nanosleep-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='devtmpfs\x00', &(0x7f0000000080)='./dev\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
r0 = syz_usb_connect(0x0, 0x39, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002000000402a1101000001010203010902270001010080fa0904000003ffffff00070581024000000705820240000007050302400000"], 0x0)
syz_usb_control_io(r0, 0x0, &(0x7f0000001000)={0x84, &(0x7f0000001100)={0x0, 0x0, 0x40, "0100"/64}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
nanosleep(&(0x7f0000000300)={0x1}, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./dev/lirc0\x00', 0x2, 0x0)
write(r1, &(0x7f0000000400)="0100000002000000", 0x8)

program crashed: KASAN: slab-use-after-free Read in sysfs_emit
single: successfully extracted reproducer
found reproducer with 16 syscalls
minimizing guilty program
testing program (duration=46.395183946s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-nanosleep-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='devtmpfs\x00', &(0x7f0000000080)='./dev\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
r0 = syz_usb_connect(0x0, 0x39, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002000000402a1101000001010203010902270001010080fa0904000003ffffff00070581024000000705820240000007050302400000"], 0x0)
syz_usb_control_io(r0, 0x0, &(0x7f0000001000)={0x84, &(0x7f0000001100)={0x0, 0x0, 0x40, "0100"/64}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
nanosleep(&(0x7f0000000300)={0x1}, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000200)='./dev/lirc0\x00', 0x2, 0x0)

program crashed: KASAN: slab-use-after-free Read in sysfs_emit
testing program (duration=46.395183946s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-nanosleep
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='devtmpfs\x00', &(0x7f0000000080)='./dev\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
r0 = syz_usb_connect(0x0, 0x39, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002000000402a1101000001010203010902270001010080fa0904000003ffffff00070581024000000705820240000007050302400000"], 0x0)
syz_usb_control_io(r0, 0x0, &(0x7f0000001000)={0x84, &(0x7f0000001100)={0x0, 0x0, 0x40, "0100"/64}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
nanosleep(&(0x7f0000000300)={0x1}, 0x0)

program crashed: KASAN: slab-use-after-free Read in rc_dev_uevent
testing program (duration=46.395183946s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='devtmpfs\x00', &(0x7f0000000080)='./dev\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
r0 = syz_usb_connect(0x0, 0x39, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002000000402a1101000001010203010902270001010080fa0904000003ffffff00070581024000000705820240000007050302400000"], 0x0)
syz_usb_control_io(r0, 0x0, &(0x7f0000001000)={0x84, &(0x7f0000001100)={0x0, 0x0, 0x40, "0100"/64}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))

program crashed: KASAN: slab-use-after-free Read in rc_dev_uevent
testing program (duration=46.395183946s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='devtmpfs\x00', &(0x7f0000000080)='./dev\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
r0 = syz_usb_connect(0x0, 0x39, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002000000402a1101000001010203010902270001010080fa0904000003ffffff00070581024000000705820240000007050302400000"], 0x0)
syz_usb_control_io(r0, 0x0, &(0x7f0000001000)={0x84, &(0x7f0000001100)={0x0, 0x0, 0x40, "0100"/64}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))

program crashed: KASAN: slab-use-after-free Read in sysfs_emit
testing program (duration=46.395183946s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='devtmpfs\x00', &(0x7f0000000080)='./dev\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
r0 = syz_usb_connect(0x0, 0x39, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002000000402a1101000001010203010902270001010080fa0904000003ffffff00070581024000000705820240000007050302400000"], 0x0)
syz_usb_control_io(r0, 0x0, &(0x7f0000001000)={0x84, &(0x7f0000001100)={0x0, 0x0, 0x40, "0100"/64}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))

program crashed: KASAN: slab-use-after-free Read in sysfs_emit
testing program (duration=46.395183946s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='devtmpfs\x00', &(0x7f0000000080)='./dev\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
r0 = syz_usb_connect(0x0, 0x39, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002000000402a1101000001010203010902270001010080fa0904000003ffffff00070581024000000705820240000007050302400000"], 0x0)
syz_usb_control_io(r0, 0x0, &(0x7f0000001000)={0x84, &(0x7f0000001100)={0x0, 0x0, 0x40, "0100"/64}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))

program crashed: KASAN: slab-use-after-free Read in rc_dev_uevent
testing program (duration=46.395183946s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='devtmpfs\x00', &(0x7f0000000080)='./dev\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
r0 = syz_usb_connect(0x0, 0x39, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002000000402a1101000001010203010902270001010080fa0904000003ffffff00070581024000000705820240000007050302400000"], 0x0)
syz_usb_control_io(r0, 0x0, &(0x7f0000001000)={0x84, &(0x7f0000001100)={0x0, 0x0, 0x40, "0100"/64}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))

program crashed: KASAN: slab-use-after-free Read in rc_dev_uevent
testing program (duration=46.395183946s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='devtmpfs\x00', &(0x7f0000000080)='./dev\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
r0 = syz_usb_connect(0x0, 0x39, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002000000402a1101000001010203010902270001010080fa0904000003ffffff00070581024000000705820240000007050302400000"], 0x0)
syz_usb_control_io(r0, 0x0, &(0x7f0000001000)={0x84, &(0x7f0000001100)={0x0, 0x0, 0x40, "0100"/64}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))

program crashed: KASAN: slab-use-after-free Read in sysfs_emit
testing program (duration=46.395183946s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='devtmpfs\x00', &(0x7f0000000080)='./dev\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
r0 = syz_usb_connect(0x0, 0x39, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002000000402a1101000001010203010902270001010080fa0904000003ffffff00070581024000000705820240000007050302400000"], 0x0)
syz_usb_control_io(r0, 0x0, &(0x7f0000001000)={0x84, &(0x7f0000001100)={0x0, 0x0, 0x40, "0100"/64}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))

program crashed: KASAN: slab-use-after-free Read in rc_dev_uevent
testing program (duration=46.395183946s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='devtmpfs\x00', &(0x7f0000000080)='./dev\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
r0 = syz_usb_connect(0x0, 0x39, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002000000402a1101000001010203010902270001010080fa0904000003ffffff00070581024000000705820240000007050302400000"], 0x0)
syz_usb_control_io(r0, 0x0, &(0x7f0000001000)={0x84, &(0x7f0000001100)={0x0, 0x0, 0x40, "0100"/64}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))

program crashed: KASAN: slab-use-after-free Read in rc_dev_uevent
testing program (duration=46.395183946s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect-syz_usb_control_io-syz_usb_control_io
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='devtmpfs\x00', &(0x7f0000000080)='./dev\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
r0 = syz_usb_connect(0x0, 0x39, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002000000402a1101000001010203010902270001010080fa0904000003ffffff00070581024000000705820240000007050302400000"], 0x0)
syz_usb_control_io(r0, 0x0, &(0x7f0000001000)={0x84, &(0x7f0000001100)={0x0, 0x0, 0x40, "0100"/64}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
syz_usb_control_io(r0, 0x0, &(0x7f0000001000))

program crashed: KASAN: slab-use-after-free Read in rc_dev_uevent
testing program (duration=46.395183946s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect-syz_usb_control_io
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='devtmpfs\x00', &(0x7f0000000080)='./dev\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
r0 = syz_usb_connect(0x0, 0x39, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002000000402a1101000001010203010902270001010080fa0904000003ffffff00070581024000000705820240000007050302400000"], 0x0)
syz_usb_control_io(r0, 0x0, &(0x7f0000001000)={0x84, &(0x7f0000001100)={0x0, 0x0, 0x40, "0100"/64}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})

program crashed: KASAN: slab-use-after-free Read in rc_dev_uevent
testing program (duration=46.395183946s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='devtmpfs\x00', &(0x7f0000000080)='./dev\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x0, 0x39, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002000000402a1101000001010203010902270001010080fa0904000003ffffff00070581024000000705820240000007050302400000"], 0x0)

program crashed: KASAN: slab-use-after-free Read in rc_dev_uevent
testing program (duration=46.395183946s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='devtmpfs\x00', &(0x7f0000000080)='./dev\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)

program did not crash
testing program (duration=46.395183946s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_usb_connect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev\x00', 0x1ff)
syz_usb_connect(0x0, 0x39, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002000000402a1101000001010203010902270001010080fa0904000003ffffff00070581024000000705820240000007050302400000"], 0x0)

program crashed: KASAN: slab-use-after-free Read in rc_dev_uevent
testing program (duration=46.395183946s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x39, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002000000402a1101000001010203010902270001010080fa0904000003ffffff00070581024000000705820240000007050302400000"], 0x0)

program crashed: KASAN: slab-use-after-free Read in sysfs_emit
testing program (duration=46.395183946s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x39, 0x0, 0x0)

program did not crash
testing program (duration=46.395183946s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x39, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=46.395183946s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program crashed: KASAN: slab-use-after-free Read in rc_dev_uevent
simplifying C reproducer
testing compiled C program (duration=46.395183946s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program crashed: KASAN: slab-use-after-free Read in rc_dev_uevent
testing compiled C program (duration=46.395183946s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program did not crash
testing compiled C program (duration=46.395183946s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program crashed: KASAN: slab-use-after-free Read in rc_dev_uevent
testing compiled C program (duration=46.395183946s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program crashed: KASAN: slab-use-after-free Read in rc_dev_uevent
testing compiled C program (duration=46.395183946s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program crashed: KASAN: slab-use-after-free Read in rc_dev_uevent
testing compiled C program (duration=46.395183946s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program crashed: KASAN: slab-use-after-free Read in rc_dev_uevent
testing compiled C program (duration=46.395183946s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program crashed: KASAN: slab-use-after-free Read in rc_dev_uevent
testing compiled C program (duration=46.395183946s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
program crashed: KASAN: slab-use-after-free Read in rc_dev_uevent
testing program (duration=46.395183946s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x39, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002000000402a1101000001010203010902270001010080fa0904000003ffffff00070581024000000705820240000007050302400000"], 0x0)

program crashed: KASAN: slab-use-after-free Read in rc_dev_uevent
validation run: crashed=true
testing program (duration=46.395183946s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x39, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002000000402a1101000001010203010902270001010080fa0904000003ffffff00070581024000000705820240000007050302400000"], 0x0)

program crashed: KASAN: slab-use-after-free Read in rc_dev_uevent
validation run: crashed=true
testing program (duration=46.395183946s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x39, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002000000402a1101000001010203010902270001010080fa0904000003ffffff00070581024000000705820240000007050302400000"], 0x0)

program crashed: KASAN: slab-use-after-free Read in rc_dev_uevent
validation run: crashed=true
reproducing took 50m46.183837003s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in string_nocheck lib/vsprintf.c:648 [inline]
BUG: KASAN: slab-use-after-free in string+0x471/0x4d0 lib/vsprintf.c:730
Read of size 1 at addr ffff88807ab06758 by task udevd/4977

CPU: 0 UID: 0 PID: 4977 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0x13d/0x4b0 mm/kasan/report.c:482
 kasan_report+0xdf/0x1c0 mm/kasan/report.c:595
 string_nocheck lib/vsprintf.c:648 [inline]
 string+0x471/0x4d0 lib/vsprintf.c:730
 vsnprintf+0x422/0x1300 lib/vsprintf.c:2945
 add_uevent_var+0x183/0x3a0 lib/kobject_uevent.c:682
 rc_dev_uevent+0x17d/0x1c0 drivers/media/rc/rc-main.c:1632
 dev_uevent+0x2f1/0x870 drivers/base/core.c:2779
 uevent_show+0x1ca/0x3a0 drivers/base/core.c:2826
 dev_attr_show+0x52/0xa0 drivers/base/core.c:2487
 sysfs_kf_seq_show+0x217/0x3f0 fs/sysfs/file.c:65
 seq_read_iter+0x32f/0x1270 fs/seq_file.c:231
 kernfs_fop_read_iter+0x46c/0x610 fs/kernfs/file.c:290
 new_sync_read fs/read_write.c:493 [inline]
 vfs_read+0x82e/0xb40 fs/read_write.c:574
 ksys_read+0x12a/0x250 fs/read_write.c:716
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f48b94a7407
Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
RSP: 002b:00007ffed8817210 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f48b9c06880 RCX: 00007f48b94a7407
RDX: 0000000000001000 RSI: 000055b3c09e6610 RDI: 000000000000000c
RBP: 00007f48b95efff0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000a
R13: 00007f48b95efea0 R14: 0000000000000000 R15: 000055b3c09bb1e0
 </TASK>

Allocated by task 5686:
 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
 kasan_save_track+0x14/0x30 mm/kasan/common.c:78
 poison_kmalloc_redzone mm/kasan/common.c:398 [inline]
 __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:415
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __kmalloc_cache_noprof+0x2e5/0x6c0 mm/slub.c:5489
 _kmalloc_noprof include/linux/slab.h:988 [inline]
 _kzalloc_noprof include/linux/slab.h:1309 [inline]
 redrat3_dev_probe+0x326/0x2b50 drivers/media/rc/redrat3.c:1023
 usb_probe_interface+0x303/0x8f0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:628 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:706
 __driver_probe_device+0x20e/0x450 drivers/base/dd.c:868
 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898
 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098
 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x64/0x160 drivers/base/bus.c:620
 device_add+0x121d/0x1970 drivers/base/core.c:3772
 usb_set_configuration+0xd97/0x1c60 drivers/usb/core/message.c:2268
 usb_generic_driver_probe+0xa1/0xe0 drivers/usb/core/generic.c:250
 usb_probe_device+0xef/0x400 drivers/usb/core/driver.c:291
 call_driver_probe drivers/base/dd.c:628 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:706
 __driver_probe_device+0x20e/0x450 drivers/base/dd.c:868
 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898
 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098
 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x64/0x160 drivers/base/bus.c:620
 device_add+0x121d/0x1970 drivers/base/core.c:3772
 usb_new_device.cold+0x685/0x115c drivers/usb/core/hub.c:2695
 hub_port_connect drivers/usb/core/hub.c:5567 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 port_event drivers/usb/core/hub.c:5871 [inline]
 hub_event+0x30a3/0x4a60 drivers/usb/core/hub.c:5953
 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322
 process_scheduled_works kernel/workqueue.c:3405 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

Freed by task 5686:
 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
 kasan_save_track+0x14/0x30 mm/kasan/common.c:78
 kasan_save_free_info+0x3b/0x70 mm/kasan/generic.c:584
 poison_slab_object mm/kasan/common.c:253 [inline]
 __kasan_slab_free+0x5f/0x80 mm/kasan/common.c:285
 kasan_slab_free include/linux/kasan.h:235 [inline]
 slab_free_hook mm/slub.c:2677 [inline]
 slab_free mm/slub.c:6377 [inline]
 kfree+0x22b/0x6c0 mm/slub.c:6692
 redrat3_delete drivers/media/rc/redrat3.c:466 [inline]
 redrat3_dev_probe+0x107a/0x2b50 drivers/media/rc/redrat3.c:1124
 usb_probe_interface+0x303/0x8f0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:628 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:706
 __driver_probe_device+0x20e/0x450 drivers/base/dd.c:868
 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898
 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098
 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x64/0x160 drivers/base/bus.c:620
 device_add+0x121d/0x1970 drivers/base/core.c:3772
 usb_set_configuration+0xd97/0x1c60 drivers/usb/core/message.c:2268
 usb_generic_driver_probe+0xa1/0xe0 drivers/usb/core/generic.c:250
 usb_probe_device+0xef/0x400 drivers/usb/core/driver.c:291
 call_driver_probe drivers/base/dd.c:628 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:706
 __driver_probe_device+0x20e/0x450 drivers/base/dd.c:868
 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898
 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098
 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x64/0x160 drivers/base/bus.c:620
 device_add+0x121d/0x1970 drivers/base/core.c:3772
 usb_new_device.cold+0x685/0x115c drivers/usb/core/hub.c:2695
 hub_port_connect drivers/usb/core/hub.c:5567 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 port_event drivers/usb/core/hub.c:5871 [inline]
 hub_event+0x30a3/0x4a60 drivers/usb/core/hub.c:5953
 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322
 process_scheduled_works kernel/workqueue.c:3405 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

The buggy address belongs to the object at ffff88807ab06000
 which belongs to the cache kmalloc-2k of size 2048
The buggy address is located 1880 bytes inside of
 freed 2048-byte region [ffff88807ab06000, ffff88807ab06800)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7ab00
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000040 ffff88813fe28000 dead000000000100 dead000000000122
raw: 0000000000000000 0000000800080008 00000000f5000000 0000000000000000
head: 00fff00000000040 ffff88813fe28000 dead000000000100 dead000000000122
head: 0000000000000000 0000000800080008 00000000f5000000 0000000000000000
head: 00fff00000000003 fffffffffffffe01 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 10, tgid 10 (kworker/0:1), ts 78583386216, free_ts 76517415581
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1859
 prep_new_page mm/page_alloc.c:1867 [inline]
 get_page_from_freelist+0xf48/0x3530 mm/page_alloc.c:3946
 __alloc_frozen_pages_noprof+0x299/0x2dc0 mm/page_alloc.c:5304
 alloc_slab_page mm/slub.c:3266 [inline]
 allocate_slab mm/slub.c:3380 [inline]
 new_slab+0xa2/0x640 mm/slub.c:3426
 refill_objects+0xe3/0x410 mm/slub.c:7310
 refill_sheaf mm/slub.c:2804 [inline]
 __pcs_replace_empty_main+0x376/0x680 mm/slub.c:4675
 alloc_from_pcs mm/slub.c:4773 [inline]
 slab_alloc_node mm/slub.c:4905 [inline]
 __do_kmalloc_node mm/slub.c:5333 [inline]
 __kmalloc_node_track_caller_noprof+0x679/0x830 mm/slub.c:5471
 kmalloc_reserve+0xe8/0x350 net/core/skbuff.c:637
 __alloc_skb+0x185/0x710 net/core/skbuff.c:715
 alloc_skb include/linux/skbuff.h:1384 [inline]
 mld_newpack.isra.0+0x18e/0xa20 net/ipv6/mcast.c:1789
 add_grhead+0x299/0x340 net/ipv6/mcast.c:1900
 add_grec+0x1389/0x1930 net/ipv6/mcast.c:2039
 mld_send_initial_cr+0x156/0x320 net/ipv6/mcast.c:2284
 mld_dad_work+0x32/0x1f0 net/ipv6/mcast.c:2310
 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322
 process_scheduled_works kernel/workqueue.c:3405 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486
page last free pid 5740 tgid 5740 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1406 [inline]
 __free_frozen_pages+0x79f/0x1090 mm/page_alloc.c:2950
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x47/0xf0 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x1a0/0x1f0 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:350
 kasan_slab_alloc include/linux/kasan.h:253 [inline]
 slab_post_alloc_hook mm/slub.c:4584 [inline]
 slab_alloc_node mm/slub.c:4917 [inline]
 kmem_cache_alloc_node_noprof+0x27d/0x6b0 mm/slub.c:4989
 __alloc_skb+0x140/0x710 net/core/skbuff.c:704
 alloc_skb include/linux/skbuff.h:1384 [inline]
 nlmsg_new include/net/netlink.h:1055 [inline]
 netlink_ack+0x117/0xb80 net/netlink/af_netlink.c:2493
 netlink_rcv_skb+0x333/0x420 net/netlink/af_netlink.c:2562
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0x585/0x850 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1900
 sock_sendmsg_nosec net/socket.c:775 [inline]
 __sock_sendmsg net/socket.c:790 [inline]
 __sys_sendto+0x48b/0x4e0 net/socket.c:2252
 __do_sys_sendto net/socket.c:2259 [inline]
 __se_sys_sendto net/socket.c:2255 [inline]
 __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2255
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Memory state around the buggy address:
 ffff88807ab06600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88807ab06680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88807ab06700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                    ^
 ffff88807ab06780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88807ab06800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in string_nocheck lib/vsprintf.c:648 [inline]
BUG: KASAN: slab-use-after-free in string+0x471/0x4d0 lib/vsprintf.c:730
Read of size 1 at addr ffff88807ab06758 by task udevd/4977

CPU: 0 UID: 0 PID: 4977 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0x13d/0x4b0 mm/kasan/report.c:482
 kasan_report+0xdf/0x1c0 mm/kasan/report.c:595
 string_nocheck lib/vsprintf.c:648 [inline]
 string+0x471/0x4d0 lib/vsprintf.c:730
 vsnprintf+0x422/0x1300 lib/vsprintf.c:2945
 add_uevent_var+0x183/0x3a0 lib/kobject_uevent.c:682
 rc_dev_uevent+0x17d/0x1c0 drivers/media/rc/rc-main.c:1632
 dev_uevent+0x2f1/0x870 drivers/base/core.c:2779
 uevent_show+0x1ca/0x3a0 drivers/base/core.c:2826
 dev_attr_show+0x52/0xa0 drivers/base/core.c:2487
 sysfs_kf_seq_show+0x217/0x3f0 fs/sysfs/file.c:65
 seq_read_iter+0x32f/0x1270 fs/seq_file.c:231
 kernfs_fop_read_iter+0x46c/0x610 fs/kernfs/file.c:290
 new_sync_read fs/read_write.c:493 [inline]
 vfs_read+0x82e/0xb40 fs/read_write.c:574
 ksys_read+0x12a/0x250 fs/read_write.c:716
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f48b94a7407
Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
RSP: 002b:00007ffed8817210 EFLAGS: 00000202 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f48b9c06880 RCX: 00007f48b94a7407
RDX: 0000000000001000 RSI: 000055b3c09e6610 RDI: 000000000000000c
RBP: 00007f48b95efff0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000a
R13: 00007f48b95efea0 R14: 0000000000000000 R15: 000055b3c09bb1e0
 </TASK>

Allocated by task 5686:
 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
 kasan_save_track+0x14/0x30 mm/kasan/common.c:78
 poison_kmalloc_redzone mm/kasan/common.c:398 [inline]
 __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:415
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __kmalloc_cache_noprof+0x2e5/0x6c0 mm/slub.c:5489
 _kmalloc_noprof include/linux/slab.h:988 [inline]
 _kzalloc_noprof include/linux/slab.h:1309 [inline]
 redrat3_dev_probe+0x326/0x2b50 drivers/media/rc/redrat3.c:1023
 usb_probe_interface+0x303/0x8f0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:628 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:706
 __driver_probe_device+0x20e/0x450 drivers/base/dd.c:868
 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898
 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098
 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x64/0x160 drivers/base/bus.c:620
 device_add+0x121d/0x1970 drivers/base/core.c:3772
 usb_set_configuration+0xd97/0x1c60 drivers/usb/core/message.c:2268
 usb_generic_driver_probe+0xa1/0xe0 drivers/usb/core/generic.c:250
 usb_probe_device+0xef/0x400 drivers/usb/core/driver.c:291
 call_driver_probe drivers/base/dd.c:628 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:706
 __driver_probe_device+0x20e/0x450 drivers/base/dd.c:868
 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898
 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098
 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x64/0x160 drivers/base/bus.c:620
 device_add+0x121d/0x1970 drivers/base/core.c:3772
 usb_new_device.cold+0x685/0x115c drivers/usb/core/hub.c:2695
 hub_port_connect drivers/usb/core/hub.c:5567 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 port_event drivers/usb/core/hub.c:5871 [inline]
 hub_event+0x30a3/0x4a60 drivers/usb/core/hub.c:5953
 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322
 process_scheduled_works kernel/workqueue.c:3405 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

Freed by task 5686:
 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
 kasan_save_track+0x14/0x30 mm/kasan/common.c:78
 kasan_save_free_info+0x3b/0x70 mm/kasan/generic.c:584
 poison_slab_object mm/kasan/common.c:253 [inline]
 __kasan_slab_free+0x5f/0x80 mm/kasan/common.c:285
 kasan_slab_free include/linux/kasan.h:235 [inline]
 slab_free_hook mm/slub.c:2677 [inline]
 slab_free mm/slub.c:6377 [inline]
 kfree+0x22b/0x6c0 mm/slub.c:6692
 redrat3_delete drivers/media/rc/redrat3.c:466 [inline]
 redrat3_dev_probe+0x107a/0x2b50 drivers/media/rc/redrat3.c:1124
 usb_probe_interface+0x303/0x8f0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:628 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:706
 __driver_probe_device+0x20e/0x450 drivers/base/dd.c:868
 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898
 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098
 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x64/0x160 drivers/base/bus.c:620
 device_add+0x121d/0x1970 drivers/base/core.c:3772
 usb_set_configuration+0xd97/0x1c60 drivers/usb/core/message.c:2268
 usb_generic_driver_probe+0xa1/0xe0 drivers/usb/core/generic.c:250
 usb_probe_device+0xef/0x400 drivers/usb/core/driver.c:291
 call_driver_probe drivers/base/dd.c:628 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:706
 __driver_probe_device+0x20e/0x450 drivers/base/dd.c:868
 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898
 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098
 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x64/0x160 drivers/base/bus.c:620
 device_add+0x121d/0x1970 drivers/base/core.c:3772
 usb_new_device.cold+0x685/0x115c drivers/usb/core/hub.c:2695
 hub_port_connect drivers/usb/core/hub.c:5567 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 port_event drivers/usb/core/hub.c:5871 [inline]
 hub_event+0x30a3/0x4a60 drivers/usb/core/hub.c:5953
 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322
 process_scheduled_works kernel/workqueue.c:3405 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

The buggy address belongs to the object at ffff88807ab06000
 which belongs to the cache kmalloc-2k of size 2048
The buggy address is located 1880 bytes inside of
 freed 2048-byte region [ffff88807ab06000, ffff88807ab06800)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x7ab00
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000040 ffff88813fe28000 dead000000000100 dead000000000122
raw: 0000000000000000 0000000800080008 00000000f5000000 0000000000000000
head: 00fff00000000040 ffff88813fe28000 dead000000000100 dead000000000122
head: 0000000000000000 0000000800080008 00000000f5000000 0000000000000000
head: 00fff00000000003 fffffffffffffe01 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 10, tgid 10 (kworker/0:1), ts 78583386216, free_ts 76517415581
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1859
 prep_new_page mm/page_alloc.c:1867 [inline]
 get_page_from_freelist+0xf48/0x3530 mm/page_alloc.c:3946
 __alloc_frozen_pages_noprof+0x299/0x2dc0 mm/page_alloc.c:5304
 alloc_slab_page mm/slub.c:3266 [inline]
 allocate_slab mm/slub.c:3380 [inline]
 new_slab+0xa2/0x640 mm/slub.c:3426
 refill_objects+0xe3/0x410 mm/slub.c:7310
 refill_sheaf mm/slub.c:2804 [inline]
 __pcs_replace_empty_main+0x376/0x680 mm/slub.c:4675
 alloc_from_pcs mm/slub.c:4773 [inline]
 slab_alloc_node mm/slub.c:4905 [inline]
 __do_kmalloc_node mm/slub.c:5333 [inline]
 __kmalloc_node_track_caller_noprof+0x679/0x830 mm/slub.c:5471
 kmalloc_reserve+0xe8/0x350 net/core/skbuff.c:637
 __alloc_skb+0x185/0x710 net/core/skbuff.c:715
 alloc_skb include/linux/skbuff.h:1384 [inline]
 mld_newpack.isra.0+0x18e/0xa20 net/ipv6/mcast.c:1789
 add_grhead+0x299/0x340 net/ipv6/mcast.c:1900
 add_grec+0x1389/0x1930 net/ipv6/mcast.c:2039
 mld_send_initial_cr+0x156/0x320 net/ipv6/mcast.c:2284
 mld_dad_work+0x32/0x1f0 net/ipv6/mcast.c:2310
 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322
 process_scheduled_works kernel/workqueue.c:3405 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486
page last free pid 5740 tgid 5740 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1406 [inline]
 __free_frozen_pages+0x79f/0x1090 mm/page_alloc.c:2950
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x47/0xf0 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x1a0/0x1f0 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:350
 kasan_slab_alloc include/linux/kasan.h:253 [inline]
 slab_post_alloc_hook mm/slub.c:4584 [inline]
 slab_alloc_node mm/slub.c:4917 [inline]
 kmem_cache_alloc_node_noprof+0x27d/0x6b0 mm/slub.c:4989
 __alloc_skb+0x140/0x710 net/core/skbuff.c:704
 alloc_skb include/linux/skbuff.h:1384 [inline]
 nlmsg_new include/net/netlink.h:1055 [inline]
 netlink_ack+0x117/0xb80 net/netlink/af_netlink.c:2493
 netlink_rcv_skb+0x333/0x420 net/netlink/af_netlink.c:2562
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0x585/0x850 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x8b0/0xda0 net/netlink/af_netlink.c:1900
 sock_sendmsg_nosec net/socket.c:775 [inline]
 __sock_sendmsg net/socket.c:790 [inline]
 __sys_sendto+0x48b/0x4e0 net/socket.c:2252
 __do_sys_sendto net/socket.c:2259 [inline]
 __se_sys_sendto net/socket.c:2255 [inline]
 __x64_sys_sendto+0xe0/0x1c0 net/socket.c:2255
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Memory state around the buggy address:
 ffff88807ab06600: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88807ab06680: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
>ffff88807ab06700: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                    ^
 ffff88807ab06780: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff88807ab06800: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
==================================================================