Extracting prog: 57.810540736s
Minimizing prog: 7m44.126933577s
Simplifying prog options: 0s
Extracting C: 21.114269302s
Simplifying C: 2m57.367150083s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_init_net_socket$nfc_llcp-bind$nfc_llcp
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./debug\x00', &(0x7f0000000100)='debugfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/dynamic_debug/control\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)=' +p\n\x00'/18, 0x12)
r1 = syz_init_net_socket$nfc_llcp(0x27, 0x2, 0x1)
bind$nfc_llcp(r1, &(0x7f0000001040)={0x27, 0x0, 0xfffffffe, 0x4, 0x0, 0x1, "d92984bd1ca44c226af5160e961711a077609475b78411e88509de050000000000f2170e65e3f50327e422000000000000000000000200000000001900", 0x1c}, 0x60)

program crashed: KASAN: slab-out-of-bounds Read in __dynamic_pr_debug
single: successfully extracted reproducer
found reproducer with 6 syscalls
minimizing guilty program
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_init_net_socket$nfc_llcp
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./debug\x00', &(0x7f0000000100)='debugfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/dynamic_debug/control\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)=' +p\n\x00'/18, 0x12)
syz_init_net_socket$nfc_llcp(0x27, 0x2, 0x1)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-bind$nfc_llcp
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./debug\x00', &(0x7f0000000100)='debugfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/dynamic_debug/control\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)=' +p\n\x00'/18, 0x12)
bind$nfc_llcp(0xffffffffffffffff, &(0x7f0000001040)={0x27, 0x0, 0xfffffffe, 0x4, 0x0, 0x1, "d92984bd1ca44c226af5160e961711a077609475b78411e88509de050000000000f2170e65e3f50327e422000000000000000000000200000000001900", 0x1c}, 0x60)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-syz_init_net_socket$nfc_llcp-bind$nfc_llcp
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./debug\x00', &(0x7f0000000100)='debugfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/dynamic_debug/control\x00', 0x2, 0x0)
r0 = syz_init_net_socket$nfc_llcp(0x27, 0x2, 0x1)
bind$nfc_llcp(r0, &(0x7f0000001040)={0x27, 0x0, 0xfffffffe, 0x4, 0x0, 0x1, "d92984bd1ca44c226af5160e961711a077609475b78411e88509de050000000000f2170e65e3f50327e422000000000000000000000200000000001900", 0x1c}, 0x60)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-write-syz_init_net_socket$nfc_llcp-bind$nfc_llcp
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./debug\x00', &(0x7f0000000100)='debugfs\x00', 0x0, 0x0)
write(0xffffffffffffffff, &(0x7f0000000500)=' +p\n\x00'/18, 0x12)
r0 = syz_init_net_socket$nfc_llcp(0x27, 0x2, 0x1)
bind$nfc_llcp(r0, &(0x7f0000001040)={0x27, 0x0, 0xfffffffe, 0x4, 0x0, 0x1, "d92984bd1ca44c226af5160e961711a077609475b78411e88509de050000000000f2170e65e3f50327e422000000000000000000000200000000001900", 0x1c}, 0x60)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat-write-syz_init_net_socket$nfc_llcp-bind$nfc_llcp
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/dynamic_debug/control\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)=' +p\n\x00'/18, 0x12)
r1 = syz_init_net_socket$nfc_llcp(0x27, 0x2, 0x1)
bind$nfc_llcp(r1, &(0x7f0000001040)={0x27, 0x0, 0xfffffffe, 0x4, 0x0, 0x1, "d92984bd1ca44c226af5160e961711a077609475b78411e88509de050000000000f2170e65e3f50327e422000000000000000000000200000000001900", 0x1c}, 0x60)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount-openat-write-syz_init_net_socket$nfc_llcp-bind$nfc_llcp
detailed listing:
executing program 0:
mount(0x0, &(0x7f00000000c0)='./debug\x00', &(0x7f0000000100)='debugfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/dynamic_debug/control\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)=' +p\n\x00'/18, 0x12)
r1 = syz_init_net_socket$nfc_llcp(0x27, 0x2, 0x1)
bind$nfc_llcp(r1, &(0x7f0000001040)={0x27, 0x0, 0xfffffffe, 0x4, 0x0, 0x1, "d92984bd1ca44c226af5160e961711a077609475b78411e88509de050000000000f2170e65e3f50327e422000000000000000000000200000000001900", 0x1c}, 0x60)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_init_net_socket$nfc_llcp-bind$nfc_llcp
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(0x0, &(0x7f00000000c0)='./debug\x00', &(0x7f0000000100)='debugfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/dynamic_debug/control\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)=' +p\n\x00'/18, 0x12)
r1 = syz_init_net_socket$nfc_llcp(0x27, 0x2, 0x1)
bind$nfc_llcp(r1, &(0x7f0000001040)={0x27, 0x0, 0xfffffffe, 0x4, 0x0, 0x1, "d92984bd1ca44c226af5160e961711a077609475b78411e88509de050000000000f2170e65e3f50327e422000000000000000000000200000000001900", 0x1c}, 0x60)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_init_net_socket$nfc_llcp-bind$nfc_llcp
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f0000000100)='debugfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/dynamic_debug/control\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)=' +p\n\x00'/18, 0x12)
r1 = syz_init_net_socket$nfc_llcp(0x27, 0x2, 0x1)
bind$nfc_llcp(r1, &(0x7f0000001040)={0x27, 0x0, 0xfffffffe, 0x4, 0x0, 0x1, "d92984bd1ca44c226af5160e961711a077609475b78411e88509de050000000000f2170e65e3f50327e422000000000000000000000200000000001900", 0x1c}, 0x60)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_init_net_socket$nfc_llcp-bind$nfc_llcp
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./debug\x00', 0x0, 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/dynamic_debug/control\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)=' +p\n\x00'/18, 0x12)
r1 = syz_init_net_socket$nfc_llcp(0x27, 0x2, 0x1)
bind$nfc_llcp(r1, &(0x7f0000001040)={0x27, 0x0, 0xfffffffe, 0x4, 0x0, 0x1, "d92984bd1ca44c226af5160e961711a077609475b78411e88509de050000000000f2170e65e3f50327e422000000000000000000000200000000001900", 0x1c}, 0x60)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_init_net_socket$nfc_llcp-bind$nfc_llcp
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./debug\x00', &(0x7f0000000100)='debugfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
write(r0, &(0x7f0000000500)=' +p\n\x00'/18, 0x12)
r1 = syz_init_net_socket$nfc_llcp(0x27, 0x2, 0x1)
bind$nfc_llcp(r1, &(0x7f0000001040)={0x27, 0x0, 0xfffffffe, 0x4, 0x0, 0x1, "d92984bd1ca44c226af5160e961711a077609475b78411e88509de050000000000f2170e65e3f50327e422000000000000000000000200000000001900", 0x1c}, 0x60)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_init_net_socket$nfc_llcp-bind$nfc_llcp
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./debug\x00', &(0x7f0000000100)='debugfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/dynamic_debug/control\x00', 0x2, 0x0)
write(r0, 0x0, 0x0)
r1 = syz_init_net_socket$nfc_llcp(0x27, 0x2, 0x1)
bind$nfc_llcp(r1, &(0x7f0000001040)={0x27, 0x0, 0xfffffffe, 0x4, 0x0, 0x1, "d92984bd1ca44c226af5160e961711a077609475b78411e88509de050000000000f2170e65e3f50327e422000000000000000000000200000000001900", 0x1c}, 0x60)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_init_net_socket$nfc_llcp-bind$nfc_llcp
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./debug\x00', &(0x7f0000000100)='debugfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/dynamic_debug/control\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500), 0x0)
r1 = syz_init_net_socket$nfc_llcp(0x27, 0x2, 0x1)
bind$nfc_llcp(r1, &(0x7f0000001040)={0x27, 0x0, 0xfffffffe, 0x4, 0x0, 0x1, "d92984bd1ca44c226af5160e961711a077609475b78411e88509de050000000000f2170e65e3f50327e422000000000000000000000200000000001900", 0x1c}, 0x60)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_init_net_socket$nfc_llcp-bind$nfc_llcp
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./debug\x00', &(0x7f0000000100)='debugfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/dynamic_debug/control\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)=' +p\n\x00'/18, 0x12)
r1 = syz_init_net_socket$nfc_llcp(0x27, 0x2, 0x1)
bind$nfc_llcp(r1, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_init_net_socket$nfc_llcp-bind$nfc_llcp
program crashed: KASAN: slab-out-of-bounds Read in __dynamic_pr_debug
simplifying C reproducer
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_init_net_socket$nfc_llcp-bind$nfc_llcp
program crashed: KASAN: slab-out-of-bounds Read in __dynamic_pr_debug
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: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-syz_init_net_socket$nfc_llcp-bind$nfc_llcp
program crashed: KASAN: slab-out-of-bounds Read in __dynamic_pr_debug
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:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-syz_init_net_socket$nfc_llcp-bind$nfc_llcp
program crashed: KASAN: slab-out-of-bounds Read in __dynamic_pr_debug
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-write-syz_init_net_socket$nfc_llcp-bind$nfc_llcp
program crashed: KASAN: slab-out-of-bounds Read in __dynamic_pr_debug
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-write-syz_init_net_socket$nfc_llcp-bind$nfc_llcp
program crashed: KASAN: slab-out-of-bounds Read in __dynamic_pr_debug
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-write-syz_init_net_socket$nfc_llcp-bind$nfc_llcp
program crashed: KASAN: slab-out-of-bounds Read in __dynamic_pr_debug
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-write-syz_init_net_socket$nfc_llcp-bind$nfc_llcp
program crashed: KASAN: slab-out-of-bounds Read in __dynamic_pr_debug
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-write-syz_init_net_socket$nfc_llcp-bind$nfc_llcp
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./debug\x00', &(0x7f0000000100)='debugfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/dynamic_debug/control\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)=' +p\n\x00'/18, 0x12)
r1 = syz_init_net_socket$nfc_llcp(0x27, 0x2, 0x1)
bind$nfc_llcp(r1, &(0x7f0000001040)={0x27, 0x0, 0xfffffffe, 0x4, 0x0, 0x1, "d92984bd1ca44c226af5160e961711a077609475b78411e88509de050000000000f2170e65e3f50327e422000000000000000000000200000000001900", 0x1c}, 0x60)

program crashed: KASAN: slab-out-of-bounds Read in __dynamic_pr_debug
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-write-syz_init_net_socket$nfc_llcp-bind$nfc_llcp
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./debug\x00', &(0x7f0000000100)='debugfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/dynamic_debug/control\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)=' +p\n\x00'/18, 0x12)
r1 = syz_init_net_socket$nfc_llcp(0x27, 0x2, 0x1)
bind$nfc_llcp(r1, &(0x7f0000001040)={0x27, 0x0, 0xfffffffe, 0x4, 0x0, 0x1, "d92984bd1ca44c226af5160e961711a077609475b78411e88509de050000000000f2170e65e3f50327e422000000000000000000000200000000001900", 0x1c}, 0x60)

program crashed: KASAN: slab-out-of-bounds Read in __dynamic_pr_debug
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-write-syz_init_net_socket$nfc_llcp-bind$nfc_llcp
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./debug\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./debug\x00', &(0x7f0000000100)='debugfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000400)='./debug/dynamic_debug/control\x00', 0x2, 0x0)
write(r0, &(0x7f0000000500)=' +p\n\x00'/18, 0x12)
r1 = syz_init_net_socket$nfc_llcp(0x27, 0x2, 0x1)
bind$nfc_llcp(r1, &(0x7f0000001040)={0x27, 0x0, 0xfffffffe, 0x4, 0x0, 0x1, "d92984bd1ca44c226af5160e961711a077609475b78411e88509de050000000000f2170e65e3f50327e422000000000000000000000200000000001900", 0x1c}, 0x60)

program crashed: KASAN: slab-out-of-bounds Read in __dynamic_pr_debug
validation run: crashed=true
reproducing took 13m35.437543865s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-out-of-bounds in string_nocheck lib/vsprintf.c:648 [inline]
BUG: KASAN: slab-out-of-bounds in string+0x471/0x4d0 lib/vsprintf.c:730
Read of size 1 at addr ffff8880277bd0dc by task syz.0.17/5915

CPU: 2 UID: 0 PID: 5915 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
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:2949
 va_format+0x14e/0x4b0 lib/vsprintf.c:1725
 pointer+0x929/0xe50 lib/vsprintf.c:2577
 vsnprintf+0x649/0x1300 lib/vsprintf.c:2953
 vprintk_store+0x3b3/0xbe0 kernel/printk/printk.c:2307
 vprintk_emit+0x139/0x6b0 kernel/printk/printk.c:2455
 _printk+0xcf/0x110 kernel/printk/printk.c:2504
 __dynamic_pr_debug+0x201/0x270 lib/dynamic_debug.c:879
 nfc_llcp_wks_sap net/nfc/llcp_core.c:344 [inline]
 nfc_llcp_get_sdp_ssap+0x32d/0x4c0 net/nfc/llcp_core.c:420
 llcp_sock_bind+0x3c0/0x720 net/nfc/llcp_sock.c:114
 __sys_bind_socket net/socket.c:1945 [inline]
 __sys_bind_socket net/socket.c:1937 [inline]
 __sys_bind+0x1a9/0x260 net/socket.c:1976
 __do_sys_bind net/socket.c:1981 [inline]
 __se_sys_bind net/socket.c:1979 [inline]
 __x64_sys_bind+0x72/0xb0 net/socket.c:1979
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7061b9e159
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:00007fff26c61f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000031
RAX: ffffffffffffffda RBX: 00007f7061e25fa0 RCX: 00007f7061b9e159
RDX: 0000000000000060 RSI: 0000200000001040 RDI: 0000000000000005
RBP: 00007f7061c3503b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7061e25fac R14: 00007f7061e25fa0 R15: 00007f7061e25fa0
 </TASK>

Allocated by task 5915:
 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]
 __do_kmalloc_node mm/slub.c:5414 [inline]
 __kmalloc_node_track_caller_noprof+0x33d/0x870 mm/slub.c:5545
 kmemdup_noprof+0x29/0x60 mm/util.c:138
 kmemdup_noprof include/linux/fortify-string.h:715 [inline]
 llcp_sock_bind+0x37c/0x720 net/nfc/llcp_sock.c:107
 __sys_bind_socket net/socket.c:1945 [inline]
 __sys_bind_socket net/socket.c:1937 [inline]
 __sys_bind+0x1a9/0x260 net/socket.c:1976
 __do_sys_bind net/socket.c:1981 [inline]
 __se_sys_bind net/socket.c:1979 [inline]
 __x64_sys_bind+0x72/0xb0 net/socket.c:1979
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff8880277bd0c0
 which belongs to the cache kmalloc-32 of size 32
The buggy address is located 0 bytes to the right of
 allocated 28-byte region [ffff8880277bd0c0, ffff8880277bd0dc)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff8880277bd140 pfn:0x277bd
flags: 0xfff00000000200(workingset|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000200 ffff88801c042780 ffff88801c0404c8 ffffea0000f4b410
raw: ffff8880277bd140 000000000040003d 00000000f5000000 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0xd2800(GFP_NOWAIT|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5242, tgid 5242 (v4l_id), ts 14876460251
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1871
 prep_new_page mm/page_alloc.c:1879 [inline]
 get_page_from_freelist+0x110d/0x35d0 mm/page_alloc.c:3943
 __alloc_frozen_pages_noprof+0x2eb/0x3300 mm/page_alloc.c:5436
 alloc_slab_page mm/slub.c:3347 [inline]
 allocate_slab mm/slub.c:3462 [inline]
 new_slab+0xa9/0x6e0 mm/slub.c:3513
 refill_objects+0xe3/0x410 mm/slub.c:7410
 refill_sheaf mm/slub.c:2885 [inline]
 __pcs_replace_empty_main+0x35e/0x650 mm/slub.c:4774
 alloc_from_pcs mm/slub.c:4850 [inline]
 slab_alloc_node mm/slub.c:4984 [inline]
 __kmalloc_cache_noprof+0x4f4/0x6d0 mm/slub.c:5559
 _kmalloc_noprof include/linux/slab.h:991 [inline]
 slab_free_hook mm/slub.c:2700 [inline]
 slab_free mm/slub.c:6499 [inline]
 kmem_cache_free+0x40f/0x6c0 mm/slub.c:6626
 vms_complete_munmap_vmas+0x7ac/0xdd0 mm/vma.c:1441
 __mmap_complete mm/vma.c:2721 [inline]
 __mmap_region+0xb60/0x32c0 mm/vma.c:2888
 mmap_region+0x3db/0x6d0 mm/vma.c:2964
 do_mmap+0x12c7/0x1c30 mm/mmap.c:573
 vm_mmap_pgoff+0x28d/0x470 mm/util.c:581
 ksys_mmap_pgoff+0x3cb/0x610 mm/mmap.c:619
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:89 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:82 [inline]
 __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:82
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
page last free pid 5237 tgid 5237 ts 14821556109 stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 __free_pages_prepare mm/page_alloc.c:1418 [inline]
 __free_frozen_pages+0x79f/0x10f0 mm/page_alloc.c:2962
 __pagetable_free include/linux/mm.h:3804 [inline]
 pagetable_free include/linux/mm.h:3828 [inline]
 pagetable_dtor_free include/linux/mm.h:3927 [inline]
 __tlb_remove_table include/asm-generic/tlb.h:221 [inline]
 __tlb_remove_table_free mm/mmu_gather.c:228 [inline]
 tlb_remove_table_rcu+0x2cf/0x380 mm/mmu_gather.c:291
 rcu_do_batch kernel/rcu/tree.c:2650 [inline]
 rcu_core+0x5f0/0x1260 kernel/rcu/tree.c:2919
 handle_softirqs+0x1e6/0x9d0 kernel/softirq.c:645
 __do_softirq kernel/softirq.c:679 [inline]
 invoke_softirq kernel/softirq.c:519 [inline]
 __irq_exit_rcu+0x16a/0x210 kernel/softirq.c:758
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:775
 instr_sysvec_call_function arch/x86/kernel/smp.c:258 [inline]
 sysvec_call_function+0xa3/0xc0 arch/x86/kernel/smp.c:258
 asm_sysvec_call_function+0x1a/0x20 arch/x86/include/asm/idtentry.h:682

Memory state around the buggy address:
 ffff8880277bcf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8880277bd000: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc
>ffff8880277bd080: fa fb fb fb fc fc fc fc 00 00 00 04 fc fc fc fc
                                                    ^
 ffff8880277bd100: 00 00 00 00 fc fc fc fc fa fb fb fb fc fc fc fc
 ffff8880277bd180: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc
==================================================================

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-out-of-bounds in string_nocheck lib/vsprintf.c:648 [inline]
BUG: KASAN: slab-out-of-bounds in string+0x471/0x4d0 lib/vsprintf.c:730
Read of size 1 at addr ffff8880277bd0dc by task syz.0.17/5915

CPU: 2 UID: 0 PID: 5915 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
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:2949
 va_format+0x14e/0x4b0 lib/vsprintf.c:1725
 pointer+0x929/0xe50 lib/vsprintf.c:2577
 vsnprintf+0x649/0x1300 lib/vsprintf.c:2953
 vprintk_store+0x3b3/0xbe0 kernel/printk/printk.c:2307
 vprintk_emit+0x139/0x6b0 kernel/printk/printk.c:2455
 _printk+0xcf/0x110 kernel/printk/printk.c:2504
 __dynamic_pr_debug+0x201/0x270 lib/dynamic_debug.c:879
 nfc_llcp_wks_sap net/nfc/llcp_core.c:344 [inline]
 nfc_llcp_get_sdp_ssap+0x32d/0x4c0 net/nfc/llcp_core.c:420
 llcp_sock_bind+0x3c0/0x720 net/nfc/llcp_sock.c:114
 __sys_bind_socket net/socket.c:1945 [inline]
 __sys_bind_socket net/socket.c:1937 [inline]
 __sys_bind+0x1a9/0x260 net/socket.c:1976
 __do_sys_bind net/socket.c:1981 [inline]
 __se_sys_bind net/socket.c:1979 [inline]
 __x64_sys_bind+0x72/0xb0 net/socket.c:1979
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7061b9e159
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:00007fff26c61f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000031
RAX: ffffffffffffffda RBX: 00007f7061e25fa0 RCX: 00007f7061b9e159
RDX: 0000000000000060 RSI: 0000200000001040 RDI: 0000000000000005
RBP: 00007f7061c3503b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7061e25fac R14: 00007f7061e25fa0 R15: 00007f7061e25fa0
 </TASK>

Allocated by task 5915:
 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]
 __do_kmalloc_node mm/slub.c:5414 [inline]
 __kmalloc_node_track_caller_noprof+0x33d/0x870 mm/slub.c:5545
 kmemdup_noprof+0x29/0x60 mm/util.c:138
 kmemdup_noprof include/linux/fortify-string.h:715 [inline]
 llcp_sock_bind+0x37c/0x720 net/nfc/llcp_sock.c:107
 __sys_bind_socket net/socket.c:1945 [inline]
 __sys_bind_socket net/socket.c:1937 [inline]
 __sys_bind+0x1a9/0x260 net/socket.c:1976
 __do_sys_bind net/socket.c:1981 [inline]
 __se_sys_bind net/socket.c:1979 [inline]
 __x64_sys_bind+0x72/0xb0 net/socket.c:1979
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff8880277bd0c0
 which belongs to the cache kmalloc-32 of size 32
The buggy address is located 0 bytes to the right of
 allocated 28-byte region [ffff8880277bd0c0, ffff8880277bd0dc)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff8880277bd140 pfn:0x277bd
flags: 0xfff00000000200(workingset|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000200 ffff88801c042780 ffff88801c0404c8 ffffea0000f4b410
raw: ffff8880277bd140 000000000040003d 00000000f5000000 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0xd2800(GFP_NOWAIT|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5242, tgid 5242 (v4l_id), ts 14876460251
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1871
 prep_new_page mm/page_alloc.c:1879 [inline]
 get_page_from_freelist+0x110d/0x35d0 mm/page_alloc.c:3943
 __alloc_frozen_pages_noprof+0x2eb/0x3300 mm/page_alloc.c:5436
 alloc_slab_page mm/slub.c:3347 [inline]
 allocate_slab mm/slub.c:3462 [inline]
 new_slab+0xa9/0x6e0 mm/slub.c:3513
 refill_objects+0xe3/0x410 mm/slub.c:7410
 refill_sheaf mm/slub.c:2885 [inline]
 __pcs_replace_empty_main+0x35e/0x650 mm/slub.c:4774
 alloc_from_pcs mm/slub.c:4850 [inline]
 slab_alloc_node mm/slub.c:4984 [inline]
 __kmalloc_cache_noprof+0x4f4/0x6d0 mm/slub.c:5559
 _kmalloc_noprof include/linux/slab.h:991 [inline]
 slab_free_hook mm/slub.c:2700 [inline]
 slab_free mm/slub.c:6499 [inline]
 kmem_cache_free+0x40f/0x6c0 mm/slub.c:6626
 vms_complete_munmap_vmas+0x7ac/0xdd0 mm/vma.c:1441
 __mmap_complete mm/vma.c:2721 [inline]
 __mmap_region+0xb60/0x32c0 mm/vma.c:2888
 mmap_region+0x3db/0x6d0 mm/vma.c:2964
 do_mmap+0x12c7/0x1c30 mm/mmap.c:573
 vm_mmap_pgoff+0x28d/0x470 mm/util.c:581
 ksys_mmap_pgoff+0x3cb/0x610 mm/mmap.c:619
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:89 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:82 [inline]
 __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:82
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
page last free pid 5237 tgid 5237 ts 14821556109 stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 __free_pages_prepare mm/page_alloc.c:1418 [inline]
 __free_frozen_pages+0x79f/0x10f0 mm/page_alloc.c:2962
 __pagetable_free include/linux/mm.h:3804 [inline]
 pagetable_free include/linux/mm.h:3828 [inline]
 pagetable_dtor_free include/linux/mm.h:3927 [inline]
 __tlb_remove_table include/asm-generic/tlb.h:221 [inline]
 __tlb_remove_table_free mm/mmu_gather.c:228 [inline]
 tlb_remove_table_rcu+0x2cf/0x380 mm/mmu_gather.c:291
 rcu_do_batch kernel/rcu/tree.c:2650 [inline]
 rcu_core+0x5f0/0x1260 kernel/rcu/tree.c:2919
 handle_softirqs+0x1e6/0x9d0 kernel/softirq.c:645
 __do_softirq kernel/softirq.c:679 [inline]
 invoke_softirq kernel/softirq.c:519 [inline]
 __irq_exit_rcu+0x16a/0x210 kernel/softirq.c:758
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:775
 instr_sysvec_call_function arch/x86/kernel/smp.c:258 [inline]
 sysvec_call_function+0xa3/0xc0 arch/x86/kernel/smp.c:258
 asm_sysvec_call_function+0x1a/0x20 arch/x86/include/asm/idtentry.h:682

Memory state around the buggy address:
 ffff8880277bcf80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff8880277bd000: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc
>ffff8880277bd080: fa fb fb fb fc fc fc fc 00 00 00 04 fc fc fc fc
                                                    ^
 ffff8880277bd100: 00 00 00 00 fc fc fc fc fa fb fb fb fc fc fc fc
 ffff8880277bd180: fa fb fb fb fc fc fc fc fa fb fb fb fc fc fc fc
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