Extracting prog: 13m30.052797853s
Minimizing prog: 1h55m35.380349694s
Simplifying prog options: 0s
Extracting C: 3m35.062442381s
Simplifying C: 24m30.11566889s


24 programs, timeouts [6m0s]
extracting reproducer from 24 programs
testing a last program of every proc
single: executing 4 programs separately with timeout 6m0s
testing program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-open-fcntl$auto-socket$nl_generic-syz_genetlink_get_family_id$auto_IOAM6-sendmsg$auto_IOAM6_CMD_ADD_SCHEMA-open-fcntl$auto-socket-setsockopt$auto-adjtimex$auto-close_range$auto-syz_open_procfs$namespace-socket-ioctl$auto-socket$nl_generic-setgroups$auto-syz_genetlink_get_family_id$auto_nfsd-syz_genetlink_get_family_id$auto_nfsd-sendmsg$auto_NFSD_CMD_THREADS_SET
detailed listing:
executing program 0:
mmap$auto(0x0, 0x40009, 0xdf, 0x9b72, 0x7, 0x28000)
open(&(0x7f0000000800)='./file0\x00', 0x22240, 0x154)
fcntl$auto(0x3, 0x400, 0x1)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_IOAM6(&(0x7f0000001340), 0xffffffffffffffff)
sendmsg$auto_IOAM6_CMD_ADD_SCHEMA(r0, &(0x7f0000000640)={0x0, 0x0, &(0x7f0000000600)={&(0x7f0000000040)={0x14, r1, 0x1, 0x70bd27, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x40}, 0x8800)
open(&(0x7f0000000000)='./file0\x00', 0xe600, 0x20)
fcntl$auto(0x3, 0x400, 0x9ec0000000000000)
socket(0x15, 0x5, 0x0)
setsockopt$auto(0x2000f, 0x114, 0x10, 0xffffffffffffffff, 0x3)
adjtimex$auto(0x0)
close_range$auto(0x0, 0xfffffffffffff000, 0x2)
syz_open_procfs$namespace(0x0, &(0x7f0000000000)='ns/mnt\x00')
socket(0xa, 0x3, 0x3a)
ioctl$auto(0x1, 0x890b, 0x3)
r2 = socket$nl_generic(0x10, 0x3, 0x10)
setgroups$auto(0xe32, 0x0)
syz_genetlink_get_family_id$auto_nfsd(&(0x7f0000000080), r2)
r3 = syz_genetlink_get_family_id$auto_nfsd(&(0x7f00000000c0), r2)
sendmsg$auto_NFSD_CMD_THREADS_SET(r2, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000000)={0x1c, r3, 0x1, 0x70bd2d, 0x25dfdbff, {}, [@NFSD_A_SERVER_THREADS={0x8, 0x1, 0x1}]}, 0x1c}}, 0x8004)

program did not crash
testing program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-syz_genetlink_get_family_id$auto_nfsd-sendmsg$auto_NFSD_CMD_THREADS_SET
detailed listing:
executing program 0:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_nfsd(&(0x7f0000000080), r0)
sendmsg$auto_NFSD_CMD_THREADS_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r1, 0x1, 0x70bd2d, 0x25dfdbff, {}, [@NFSD_A_SERVER_LEASETIME={0x8, 0x3, 0x5e}, @NFSD_A_SERVER_SCOPE={0x5, 0x4, '\x00'}, @NFSD_A_SERVER_THREADS={0x8, 0x1, 0x6f8d}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000021}, 0x8004)

program did not crash
testing program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-sendmsg$auto_NFSD_CMD_THREADS_SET-socket-socket$nl_generic-syz_genetlink_get_family_id$auto_nfsd-sendmsg$auto_NFSD_CMD_THREADS_SET-socket$nl_generic-syz_open_procfs$namespace-connect$auto-listen$auto-mmap$auto-mmap$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000)
sendmsg$auto_NFSD_CMD_THREADS_SET(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40040021}, 0x8011)
socket(0xa, 0x6, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_nfsd(&(0x7f0000000080), r0)
sendmsg$auto_NFSD_CMD_THREADS_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r1, 0x1, 0x70bd2d, 0x25dfdbff, {}, [@NFSD_A_SERVER_LEASETIME={0x8, 0x3, 0x5e}, @NFSD_A_SERVER_SCOPE={0x5, 0x4, '\x00'}, @NFSD_A_SERVER_THREADS={0x8, 0x1, 0x6f8d}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000021}, 0x8004)
socket$nl_generic(0x10, 0x3, 0x10)
syz_open_procfs$namespace(0x0, 0x0)
connect$auto(0x3, &(0x7f0000000140)={0xa, @sa_data_min="c4aeed448dc7fe8000"}, 0x55)
listen$auto(0x3, 0x81)
mmap$auto(0x9, 0xef9, 0x0, 0x1a, 0x2, 0x80)
mmap$auto(0x0, 0x8, 0xdf, 0x9b72, 0x2, 0x8000)

program crashed: KASAN: slab-use-after-free Read in shrinker_free
single: successfully extracted reproducer
found reproducer with 12 syscalls
minimizing guilty program
testing program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-sendmsg$auto_NFSD_CMD_THREADS_SET-socket-socket$nl_generic-syz_genetlink_get_family_id$auto_nfsd-sendmsg$auto_NFSD_CMD_THREADS_SET-socket$nl_generic-syz_open_procfs$namespace-connect$auto-listen$auto-mmap$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000)
sendmsg$auto_NFSD_CMD_THREADS_SET(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40040021}, 0x8011)
socket(0xa, 0x6, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_nfsd(&(0x7f0000000080), r0)
sendmsg$auto_NFSD_CMD_THREADS_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r1, 0x1, 0x70bd2d, 0x25dfdbff, {}, [@NFSD_A_SERVER_LEASETIME={0x8, 0x3, 0x5e}, @NFSD_A_SERVER_SCOPE={0x5, 0x4, '\x00'}, @NFSD_A_SERVER_THREADS={0x8, 0x1, 0x6f8d}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000021}, 0x8004)
socket$nl_generic(0x10, 0x3, 0x10)
syz_open_procfs$namespace(0x0, 0x0)
connect$auto(0x3, &(0x7f0000000140)={0xa, @sa_data_min="c4aeed448dc7fe8000"}, 0x55)
listen$auto(0x3, 0x81)
mmap$auto(0x9, 0xef9, 0x0, 0x1a, 0x2, 0x80)

program did not crash
testing program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-sendmsg$auto_NFSD_CMD_THREADS_SET-socket-socket$nl_generic-syz_genetlink_get_family_id$auto_nfsd-sendmsg$auto_NFSD_CMD_THREADS_SET-socket$nl_generic-syz_open_procfs$namespace-connect$auto-listen$auto-mmap$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000)
sendmsg$auto_NFSD_CMD_THREADS_SET(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40040021}, 0x8011)
socket(0xa, 0x6, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_nfsd(&(0x7f0000000080), r0)
sendmsg$auto_NFSD_CMD_THREADS_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r1, 0x1, 0x70bd2d, 0x25dfdbff, {}, [@NFSD_A_SERVER_LEASETIME={0x8, 0x3, 0x5e}, @NFSD_A_SERVER_SCOPE={0x5, 0x4, '\x00'}, @NFSD_A_SERVER_THREADS={0x8, 0x1, 0x6f8d}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000021}, 0x8004)
socket$nl_generic(0x10, 0x3, 0x10)
syz_open_procfs$namespace(0x0, 0x0)
connect$auto(0x3, &(0x7f0000000140)={0xa, @sa_data_min="c4aeed448dc7fe8000"}, 0x55)
listen$auto(0x3, 0x81)
mmap$auto(0x0, 0x8, 0xdf, 0x9b72, 0x2, 0x8000)

program did not crash
testing program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-sendmsg$auto_NFSD_CMD_THREADS_SET-socket-socket$nl_generic-syz_genetlink_get_family_id$auto_nfsd-sendmsg$auto_NFSD_CMD_THREADS_SET-socket$nl_generic-syz_open_procfs$namespace-connect$auto-mmap$auto-mmap$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000)
sendmsg$auto_NFSD_CMD_THREADS_SET(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40040021}, 0x8011)
socket(0xa, 0x6, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_nfsd(&(0x7f0000000080), r0)
sendmsg$auto_NFSD_CMD_THREADS_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r1, 0x1, 0x70bd2d, 0x25dfdbff, {}, [@NFSD_A_SERVER_LEASETIME={0x8, 0x3, 0x5e}, @NFSD_A_SERVER_SCOPE={0x5, 0x4, '\x00'}, @NFSD_A_SERVER_THREADS={0x8, 0x1, 0x6f8d}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000021}, 0x8004)
socket$nl_generic(0x10, 0x3, 0x10)
syz_open_procfs$namespace(0x0, 0x0)
connect$auto(0x3, &(0x7f0000000140)={0xa, @sa_data_min="c4aeed448dc7fe8000"}, 0x55)
mmap$auto(0x9, 0xef9, 0x0, 0x1a, 0x2, 0x80)
mmap$auto(0x0, 0x8, 0xdf, 0x9b72, 0x2, 0x8000)

program did not crash
testing program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-sendmsg$auto_NFSD_CMD_THREADS_SET-socket-socket$nl_generic-syz_genetlink_get_family_id$auto_nfsd-sendmsg$auto_NFSD_CMD_THREADS_SET-socket$nl_generic-syz_open_procfs$namespace-listen$auto-mmap$auto-mmap$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000)
sendmsg$auto_NFSD_CMD_THREADS_SET(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40040021}, 0x8011)
socket(0xa, 0x6, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_nfsd(&(0x7f0000000080), r0)
sendmsg$auto_NFSD_CMD_THREADS_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r1, 0x1, 0x70bd2d, 0x25dfdbff, {}, [@NFSD_A_SERVER_LEASETIME={0x8, 0x3, 0x5e}, @NFSD_A_SERVER_SCOPE={0x5, 0x4, '\x00'}, @NFSD_A_SERVER_THREADS={0x8, 0x1, 0x6f8d}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000021}, 0x8004)
socket$nl_generic(0x10, 0x3, 0x10)
syz_open_procfs$namespace(0x0, 0x0)
listen$auto(0x3, 0x81)
mmap$auto(0x9, 0xef9, 0x0, 0x1a, 0x2, 0x80)
mmap$auto(0x0, 0x8, 0xdf, 0x9b72, 0x2, 0x8000)

program did not crash
testing program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-sendmsg$auto_NFSD_CMD_THREADS_SET-socket-socket$nl_generic-syz_genetlink_get_family_id$auto_nfsd-sendmsg$auto_NFSD_CMD_THREADS_SET-socket$nl_generic-connect$auto-listen$auto-mmap$auto-mmap$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000)
sendmsg$auto_NFSD_CMD_THREADS_SET(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40040021}, 0x8011)
socket(0xa, 0x6, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_nfsd(&(0x7f0000000080), r0)
sendmsg$auto_NFSD_CMD_THREADS_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r1, 0x1, 0x70bd2d, 0x25dfdbff, {}, [@NFSD_A_SERVER_LEASETIME={0x8, 0x3, 0x5e}, @NFSD_A_SERVER_SCOPE={0x5, 0x4, '\x00'}, @NFSD_A_SERVER_THREADS={0x8, 0x1, 0x6f8d}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000021}, 0x8004)
socket$nl_generic(0x10, 0x3, 0x10)
connect$auto(0x3, &(0x7f0000000140)={0xa, @sa_data_min="c4aeed448dc7fe8000"}, 0x55)
listen$auto(0x3, 0x81)
mmap$auto(0x9, 0xef9, 0x0, 0x1a, 0x2, 0x80)
mmap$auto(0x0, 0x8, 0xdf, 0x9b72, 0x2, 0x8000)

program did not crash
testing program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-sendmsg$auto_NFSD_CMD_THREADS_SET-socket-socket$nl_generic-syz_genetlink_get_family_id$auto_nfsd-sendmsg$auto_NFSD_CMD_THREADS_SET-syz_open_procfs$namespace-connect$auto-listen$auto-mmap$auto-mmap$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000)
sendmsg$auto_NFSD_CMD_THREADS_SET(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40040021}, 0x8011)
socket(0xa, 0x6, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_nfsd(&(0x7f0000000080), r0)
sendmsg$auto_NFSD_CMD_THREADS_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r1, 0x1, 0x70bd2d, 0x25dfdbff, {}, [@NFSD_A_SERVER_LEASETIME={0x8, 0x3, 0x5e}, @NFSD_A_SERVER_SCOPE={0x5, 0x4, '\x00'}, @NFSD_A_SERVER_THREADS={0x8, 0x1, 0x6f8d}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000021}, 0x8004)
syz_open_procfs$namespace(0x0, 0x0)
connect$auto(0x3, &(0x7f0000000140)={0xa, @sa_data_min="c4aeed448dc7fe8000"}, 0x55)
listen$auto(0x3, 0x81)
mmap$auto(0x9, 0xef9, 0x0, 0x1a, 0x2, 0x80)
mmap$auto(0x0, 0x8, 0xdf, 0x9b72, 0x2, 0x8000)

program did not crash
testing program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-sendmsg$auto_NFSD_CMD_THREADS_SET-socket-socket$nl_generic-syz_genetlink_get_family_id$auto_nfsd-socket$nl_generic-syz_open_procfs$namespace-connect$auto-listen$auto-mmap$auto-mmap$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000)
sendmsg$auto_NFSD_CMD_THREADS_SET(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40040021}, 0x8011)
socket(0xa, 0x6, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$auto_nfsd(&(0x7f0000000080), r0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_open_procfs$namespace(0x0, 0x0)
connect$auto(0x3, &(0x7f0000000140)={0xa, @sa_data_min="c4aeed448dc7fe8000"}, 0x55)
listen$auto(0x3, 0x81)
mmap$auto(0x9, 0xef9, 0x0, 0x1a, 0x2, 0x80)
mmap$auto(0x0, 0x8, 0xdf, 0x9b72, 0x2, 0x8000)

program did not crash
testing program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-sendmsg$auto_NFSD_CMD_THREADS_SET-socket-socket$nl_generic-sendmsg$auto_NFSD_CMD_THREADS_SET-socket$nl_generic-syz_open_procfs$namespace-connect$auto-listen$auto-mmap$auto-mmap$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000)
sendmsg$auto_NFSD_CMD_THREADS_SET(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40040021}, 0x8011)
socket(0xa, 0x6, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
sendmsg$auto_NFSD_CMD_THREADS_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, 0x0, 0x1, 0x70bd2d, 0x25dfdbff, {}, [@NFSD_A_SERVER_LEASETIME={0x8, 0x3, 0x5e}, @NFSD_A_SERVER_SCOPE={0x5, 0x4, '\x00'}, @NFSD_A_SERVER_THREADS={0x8, 0x1, 0x6f8d}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000021}, 0x8004)
socket$nl_generic(0x10, 0x3, 0x10)
syz_open_procfs$namespace(0x0, 0x0)
connect$auto(0x3, &(0x7f0000000140)={0xa, @sa_data_min="c4aeed448dc7fe8000"}, 0x55)
listen$auto(0x3, 0x81)
mmap$auto(0x9, 0xef9, 0x0, 0x1a, 0x2, 0x80)
mmap$auto(0x0, 0x8, 0xdf, 0x9b72, 0x2, 0x8000)

program crashed: lost connection to test machine
suppressed program crash: lost connection to test machine
testing program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-sendmsg$auto_NFSD_CMD_THREADS_SET-socket-syz_genetlink_get_family_id$auto_nfsd-sendmsg$auto_NFSD_CMD_THREADS_SET-socket$nl_generic-syz_open_procfs$namespace-connect$auto-listen$auto-mmap$auto-mmap$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000)
sendmsg$auto_NFSD_CMD_THREADS_SET(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40040021}, 0x8011)
socket(0xa, 0x6, 0x0)
r0 = syz_genetlink_get_family_id$auto_nfsd(&(0x7f0000000080), 0xffffffffffffffff)
sendmsg$auto_NFSD_CMD_THREADS_SET(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r0, 0x1, 0x70bd2d, 0x25dfdbff, {}, [@NFSD_A_SERVER_LEASETIME={0x8, 0x3, 0x5e}, @NFSD_A_SERVER_SCOPE={0x5, 0x4, '\x00'}, @NFSD_A_SERVER_THREADS={0x8, 0x1, 0x6f8d}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000021}, 0x8004)
socket$nl_generic(0x10, 0x3, 0x10)
syz_open_procfs$namespace(0x0, 0x0)
connect$auto(0x3, &(0x7f0000000140)={0xa, @sa_data_min="c4aeed448dc7fe8000"}, 0x55)
listen$auto(0x3, 0x81)
mmap$auto(0x9, 0xef9, 0x0, 0x1a, 0x2, 0x80)
mmap$auto(0x0, 0x8, 0xdf, 0x9b72, 0x2, 0x8000)

program did not crash
testing program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-sendmsg$auto_NFSD_CMD_THREADS_SET-socket$nl_generic-syz_genetlink_get_family_id$auto_nfsd-sendmsg$auto_NFSD_CMD_THREADS_SET-socket$nl_generic-syz_open_procfs$namespace-connect$auto-listen$auto-mmap$auto-mmap$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000)
sendmsg$auto_NFSD_CMD_THREADS_SET(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40040021}, 0x8011)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_nfsd(&(0x7f0000000080), r0)
sendmsg$auto_NFSD_CMD_THREADS_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r1, 0x1, 0x70bd2d, 0x25dfdbff, {}, [@NFSD_A_SERVER_LEASETIME={0x8, 0x3, 0x5e}, @NFSD_A_SERVER_SCOPE={0x5, 0x4, '\x00'}, @NFSD_A_SERVER_THREADS={0x8, 0x1, 0x6f8d}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000021}, 0x8004)
socket$nl_generic(0x10, 0x3, 0x10)
syz_open_procfs$namespace(0x0, 0x0)
connect$auto(0x3, &(0x7f0000000140)={0xa, @sa_data_min="c4aeed448dc7fe8000"}, 0x55)
listen$auto(0x3, 0x81)
mmap$auto(0x9, 0xef9, 0x0, 0x1a, 0x2, 0x80)
mmap$auto(0x0, 0x8, 0xdf, 0x9b72, 0x2, 0x8000)

program did not crash
testing program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-socket-socket$nl_generic-syz_genetlink_get_family_id$auto_nfsd-sendmsg$auto_NFSD_CMD_THREADS_SET-socket$nl_generic-syz_open_procfs$namespace-connect$auto-listen$auto-mmap$auto-mmap$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000)
socket(0xa, 0x6, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_nfsd(&(0x7f0000000080), r0)
sendmsg$auto_NFSD_CMD_THREADS_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r1, 0x1, 0x70bd2d, 0x25dfdbff, {}, [@NFSD_A_SERVER_LEASETIME={0x8, 0x3, 0x5e}, @NFSD_A_SERVER_SCOPE={0x5, 0x4, '\x00'}, @NFSD_A_SERVER_THREADS={0x8, 0x1, 0x6f8d}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000021}, 0x8004)
socket$nl_generic(0x10, 0x3, 0x10)
syz_open_procfs$namespace(0x0, 0x0)
connect$auto(0x3, &(0x7f0000000140)={0xa, @sa_data_min="c4aeed448dc7fe8000"}, 0x55)
listen$auto(0x3, 0x81)
mmap$auto(0x9, 0xef9, 0x0, 0x1a, 0x2, 0x80)
mmap$auto(0x0, 0x8, 0xdf, 0x9b72, 0x2, 0x8000)

program did not crash
testing program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sendmsg$auto_NFSD_CMD_THREADS_SET-socket-socket$nl_generic-syz_genetlink_get_family_id$auto_nfsd-sendmsg$auto_NFSD_CMD_THREADS_SET-socket$nl_generic-syz_open_procfs$namespace-connect$auto-listen$auto-mmap$auto-mmap$auto
detailed listing:
executing program 0:
sendmsg$auto_NFSD_CMD_THREADS_SET(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40040021}, 0x8011)
socket(0xa, 0x6, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_nfsd(&(0x7f0000000080), r0)
sendmsg$auto_NFSD_CMD_THREADS_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r1, 0x1, 0x70bd2d, 0x25dfdbff, {}, [@NFSD_A_SERVER_LEASETIME={0x8, 0x3, 0x5e}, @NFSD_A_SERVER_SCOPE={0x5, 0x4, '\x00'}, @NFSD_A_SERVER_THREADS={0x8, 0x1, 0x6f8d}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000021}, 0x8004)
socket$nl_generic(0x10, 0x3, 0x10)
syz_open_procfs$namespace(0x0, 0x0)
connect$auto(0x3, &(0x7f0000000140)={0xa, @sa_data_min="c4aeed448dc7fe8000"}, 0x55)
listen$auto(0x3, 0x81)
mmap$auto(0x9, 0xef9, 0x0, 0x1a, 0x2, 0x80)
mmap$auto(0x0, 0x8, 0xdf, 0x9b72, 0x2, 0x8000)

program did not crash
testing program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-sendmsg$auto_NFSD_CMD_THREADS_SET-socket-socket$nl_generic-syz_genetlink_get_family_id$auto_nfsd-sendmsg$auto_NFSD_CMD_THREADS_SET-socket$nl_generic-syz_open_procfs$namespace-connect$auto-listen$auto-mmap$auto-mmap$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000)
sendmsg$auto_NFSD_CMD_THREADS_SET(0xffffffffffffffff, 0x0, 0x8011)
socket(0xa, 0x6, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_nfsd(&(0x7f0000000080), r0)
sendmsg$auto_NFSD_CMD_THREADS_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r1, 0x1, 0x70bd2d, 0x25dfdbff, {}, [@NFSD_A_SERVER_LEASETIME={0x8, 0x3, 0x5e}, @NFSD_A_SERVER_SCOPE={0x5, 0x4, '\x00'}, @NFSD_A_SERVER_THREADS={0x8, 0x1, 0x6f8d}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000021}, 0x8004)
socket$nl_generic(0x10, 0x3, 0x10)
syz_open_procfs$namespace(0x0, 0x0)
connect$auto(0x3, &(0x7f0000000140)={0xa, @sa_data_min="c4aeed448dc7fe8000"}, 0x55)
listen$auto(0x3, 0x81)
mmap$auto(0x9, 0xef9, 0x0, 0x1a, 0x2, 0x80)
mmap$auto(0x0, 0x8, 0xdf, 0x9b72, 0x2, 0x8000)

program did not crash
testing program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-sendmsg$auto_NFSD_CMD_THREADS_SET-socket-socket$nl_generic-syz_genetlink_get_family_id$auto_nfsd-sendmsg$auto_NFSD_CMD_THREADS_SET-socket$nl_generic-syz_open_procfs$namespace-connect$auto-listen$auto-mmap$auto-mmap$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000)
sendmsg$auto_NFSD_CMD_THREADS_SET(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40040021}, 0x8011)
socket(0xa, 0x6, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_nfsd(0x0, r0)
sendmsg$auto_NFSD_CMD_THREADS_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r1, 0x1, 0x70bd2d, 0x25dfdbff, {}, [@NFSD_A_SERVER_LEASETIME={0x8, 0x3, 0x5e}, @NFSD_A_SERVER_SCOPE={0x5, 0x4, '\x00'}, @NFSD_A_SERVER_THREADS={0x8, 0x1, 0x6f8d}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000021}, 0x8004)
socket$nl_generic(0x10, 0x3, 0x10)
syz_open_procfs$namespace(0x0, 0x0)
connect$auto(0x3, &(0x7f0000000140)={0xa, @sa_data_min="c4aeed448dc7fe8000"}, 0x55)
listen$auto(0x3, 0x81)
mmap$auto(0x9, 0xef9, 0x0, 0x1a, 0x2, 0x80)
mmap$auto(0x0, 0x8, 0xdf, 0x9b72, 0x2, 0x8000)

program did not crash
testing program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-sendmsg$auto_NFSD_CMD_THREADS_SET-socket-socket$nl_generic-syz_genetlink_get_family_id$auto_nfsd-sendmsg$auto_NFSD_CMD_THREADS_SET-socket$nl_generic-syz_open_procfs$namespace-connect$auto-listen$auto-mmap$auto-mmap$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000)
sendmsg$auto_NFSD_CMD_THREADS_SET(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40040021}, 0x8011)
socket(0xa, 0x6, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$auto_nfsd(&(0x7f0000000080), r0)
sendmsg$auto_NFSD_CMD_THREADS_SET(r0, 0x0, 0x8004)
socket$nl_generic(0x10, 0x3, 0x10)
syz_open_procfs$namespace(0x0, 0x0)
connect$auto(0x3, &(0x7f0000000140)={0xa, @sa_data_min="c4aeed448dc7fe8000"}, 0x55)
listen$auto(0x3, 0x81)
mmap$auto(0x9, 0xef9, 0x0, 0x1a, 0x2, 0x80)
mmap$auto(0x0, 0x8, 0xdf, 0x9b72, 0x2, 0x8000)

program did not crash
testing program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-sendmsg$auto_NFSD_CMD_THREADS_SET-socket-socket$nl_generic-syz_genetlink_get_family_id$auto_nfsd-sendmsg$auto_NFSD_CMD_THREADS_SET-socket$nl_generic-syz_open_procfs$namespace-connect$auto-listen$auto-mmap$auto-mmap$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000)
sendmsg$auto_NFSD_CMD_THREADS_SET(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40040021}, 0x8011)
socket(0xa, 0x6, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$auto_nfsd(&(0x7f0000000080), r0)
sendmsg$auto_NFSD_CMD_THREADS_SET(r0, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40000021}, 0x8004)
socket$nl_generic(0x10, 0x3, 0x10)
syz_open_procfs$namespace(0x0, 0x0)
connect$auto(0x3, &(0x7f0000000140)={0xa, @sa_data_min="c4aeed448dc7fe8000"}, 0x55)
listen$auto(0x3, 0x81)
mmap$auto(0x9, 0xef9, 0x0, 0x1a, 0x2, 0x80)
mmap$auto(0x0, 0x8, 0xdf, 0x9b72, 0x2, 0x8000)

program did not crash
testing program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-sendmsg$auto_NFSD_CMD_THREADS_SET-socket-socket$nl_generic-syz_genetlink_get_family_id$auto_nfsd-sendmsg$auto_NFSD_CMD_THREADS_SET-socket$nl_generic-syz_open_procfs$namespace-connect$auto-listen$auto-mmap$auto-mmap$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000)
sendmsg$auto_NFSD_CMD_THREADS_SET(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40040021}, 0x8011)
socket(0xa, 0x6, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$auto_nfsd(&(0x7f0000000080), r0)
sendmsg$auto_NFSD_CMD_THREADS_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={0x0}, 0x1, 0x0, 0x0, 0x40000021}, 0x8004)
socket$nl_generic(0x10, 0x3, 0x10)
syz_open_procfs$namespace(0x0, 0x0)
connect$auto(0x3, &(0x7f0000000140)={0xa, @sa_data_min="c4aeed448dc7fe8000"}, 0x55)
listen$auto(0x3, 0x81)
mmap$auto(0x9, 0xef9, 0x0, 0x1a, 0x2, 0x80)
mmap$auto(0x0, 0x8, 0xdf, 0x9b72, 0x2, 0x8000)

program did not crash
testing program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-sendmsg$auto_NFSD_CMD_THREADS_SET-socket-socket$nl_generic-syz_genetlink_get_family_id$auto_nfsd-sendmsg$auto_NFSD_CMD_THREADS_SET-socket$nl_generic-syz_open_procfs$namespace-connect$auto-listen$auto-mmap$auto-mmap$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000)
sendmsg$auto_NFSD_CMD_THREADS_SET(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40040021}, 0x8011)
socket(0xa, 0x6, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_nfsd(&(0x7f0000000080), r0)
sendmsg$auto_NFSD_CMD_THREADS_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x14, r1, 0x1, 0x70bd2d, 0x25dfdbff}, 0x14}, 0x1, 0x0, 0x0, 0x40000021}, 0x8004)
socket$nl_generic(0x10, 0x3, 0x10)
syz_open_procfs$namespace(0x0, 0x0)
connect$auto(0x3, &(0x7f0000000140)={0xa, @sa_data_min="c4aeed448dc7fe8000"}, 0x55)
listen$auto(0x3, 0x81)
mmap$auto(0x9, 0xef9, 0x0, 0x1a, 0x2, 0x80)
mmap$auto(0x0, 0x8, 0xdf, 0x9b72, 0x2, 0x8000)

program did not crash
testing program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-sendmsg$auto_NFSD_CMD_THREADS_SET-socket-socket$nl_generic-syz_genetlink_get_family_id$auto_nfsd-sendmsg$auto_NFSD_CMD_THREADS_SET-socket$nl_generic-syz_open_procfs$namespace-connect$auto-listen$auto-mmap$auto-mmap$auto
detailed listing:
executing program 0:
mmap$auto(0x0, 0x20009, 0x4000000000df, 0xeb1, 0x401, 0x8000)
sendmsg$auto_NFSD_CMD_THREADS_SET(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40040021}, 0x8011)
socket(0xa, 0x6, 0x0)
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$auto_nfsd(&(0x7f0000000080), r0)
sendmsg$auto_NFSD_CMD_THREADS_SET(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)={&(0x7f00000000c0)={0x2c, r1, 0x1, 0x70bd2d, 0x25dfdbff, {}, [@NFSD_A_SERVER_LEASETIME={0x8, 0x3, 0x5e}, @NFSD_A_SERVER_SCOPE={0x5, 0x4, '\x00'}, @NFSD_A_SERVER_THREADS={0x8, 0x1, 0x6f8d}]}, 0x2c}, 0x1, 0x0, 0x0, 0x40000021}, 0x8004)
socket$nl_generic(0x10, 0x3, 0x10)
syz_open_procfs$namespace(0x0, 0x0)
connect$auto(0x3, 0x0, 0x55)
listen$auto(0x3, 0x81)
mmap$auto(0x9, 0xef9, 0x0, 0x1a, 0x2, 0x80)
mmap$auto(0x0, 0x8, 0xdf, 0x9b72, 0x2, 0x8000)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-sendmsg$auto_NFSD_CMD_THREADS_SET-socket-socket$nl_generic-syz_genetlink_get_family_id$auto_nfsd-sendmsg$auto_NFSD_CMD_THREADS_SET-socket$nl_generic-syz_open_procfs$namespace-connect$auto-listen$auto-mmap$auto-mmap$auto
program crashed: KASAN: slab-use-after-free Read in shrinker_free
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-sendmsg$auto_NFSD_CMD_THREADS_SET-socket-socket$nl_generic-syz_genetlink_get_family_id$auto_nfsd-sendmsg$auto_NFSD_CMD_THREADS_SET-socket$nl_generic-syz_open_procfs$namespace-connect$auto-listen$auto-mmap$auto-mmap$auto
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-sendmsg$auto_NFSD_CMD_THREADS_SET-socket-socket$nl_generic-syz_genetlink_get_family_id$auto_nfsd-sendmsg$auto_NFSD_CMD_THREADS_SET-socket$nl_generic-syz_open_procfs$namespace-connect$auto-listen$auto-mmap$auto-mmap$auto
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-sendmsg$auto_NFSD_CMD_THREADS_SET-socket-socket$nl_generic-syz_genetlink_get_family_id$auto_nfsd-sendmsg$auto_NFSD_CMD_THREADS_SET-socket$nl_generic-syz_open_procfs$namespace-connect$auto-listen$auto-mmap$auto-mmap$auto
program crashed: KASAN: slab-use-after-free Read in shrinker_free
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-sendmsg$auto_NFSD_CMD_THREADS_SET-socket-socket$nl_generic-syz_genetlink_get_family_id$auto_nfsd-sendmsg$auto_NFSD_CMD_THREADS_SET-socket$nl_generic-syz_open_procfs$namespace-connect$auto-listen$auto-mmap$auto-mmap$auto
program crashed: KASAN: slab-use-after-free Read in shrinker_free
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-sendmsg$auto_NFSD_CMD_THREADS_SET-socket-socket$nl_generic-syz_genetlink_get_family_id$auto_nfsd-sendmsg$auto_NFSD_CMD_THREADS_SET-socket$nl_generic-syz_open_procfs$namespace-connect$auto-listen$auto-mmap$auto-mmap$auto
program crashed: KASAN: slab-use-after-free Read in shrinker_free
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-sendmsg$auto_NFSD_CMD_THREADS_SET-socket-socket$nl_generic-syz_genetlink_get_family_id$auto_nfsd-sendmsg$auto_NFSD_CMD_THREADS_SET-socket$nl_generic-syz_open_procfs$namespace-connect$auto-listen$auto-mmap$auto-mmap$auto
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mmap$auto-sendmsg$auto_NFSD_CMD_THREADS_SET-socket-socket$nl_generic-syz_genetlink_get_family_id$auto_nfsd-sendmsg$auto_NFSD_CMD_THREADS_SET-socket$nl_generic-syz_open_procfs$namespace-connect$auto-listen$auto-mmap$auto-mmap$auto
program crashed: KASAN: slab-use-after-free Read in shrinker_free
reproducing took 2h37m10.611277297s
repro crashed as (corrupted=false):
svc: failed to register nfsdv3 RPC service (errno 512).
svc: failed to register nfsaclv3 RPC service (errno 512).
==================================================================
BUG: KASAN: slab-use-after-free in shrinker_free+0x3b7/0x430 mm/shrinker.c:775
Read of size 4 at addr ffff88802713641c by task syz-executor165/6115

CPU: 0 UID: 0 PID: 6115 Comm: syz-executor165 Not tainted 6.12.0-rc1-syzkaller-00125-g0c559323bbaa #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:377 [inline]
 print_report+0xc3/0x620 mm/kasan/report.c:488
 kasan_report+0xd9/0x110 mm/kasan/report.c:601
 shrinker_free+0x3b7/0x430 mm/shrinker.c:775
 nfsd_file_cache_shutdown+0xbc/0x4e0 fs/nfsd/filecache.c:923
 nfsd_shutdown_generic fs/nfsd/nfssvc.c:314 [inline]
 nfsd_shutdown_generic fs/nfsd/nfssvc.c:308 [inline]
 nfsd_startup_net fs/nfsd/nfssvc.c:429 [inline]
 nfsd_svc+0x6a9/0x940 fs/nfsd/nfssvc.c:820
 nfsd_nl_threads_set_doit+0x535/0xbe0 fs/nfsd/nfsctl.c:1722
 genl_family_rcv_msg_doit+0x202/0x2f0 net/netlink/genetlink.c:1115
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0x565/0x800 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x165/0x410 net/netlink/af_netlink.c:2550
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
 netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1357
 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1901
 sock_sendmsg_nosec net/socket.c:729 [inline]
 __sock_sendmsg net/socket.c:744 [inline]
 ____sys_sendmsg+0x9ae/0xb40 net/socket.c:2602
 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2656
 __sys_sendmsg+0x117/0x1f0 net/socket.c:2685
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7f7054f279
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1a 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7f705080e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7f7054f279
RDX: 0000000000008004 RSI: 0000000020000140 RDI: 0000000000000004
RBP: 00007f7f705d8340 R08: 0000000000000008 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 00007f7f705d834c
R13: 0000000000000000 R14: 00007ffe9dcbe7b0 R15: 00007ffe9dcbe898
 </TASK>

Allocated by task 6109:
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 kasan_save_track+0x14/0x30 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
 __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:394
 kmalloc_noprof include/linux/slab.h:878 [inline]
 kzalloc_noprof include/linux/slab.h:1014 [inline]
 shrinker_alloc+0xf8/0xb00 mm/shrinker.c:683
 nfsd_file_cache_init+0x1cb/0x4d0 fs/nfsd/filecache.c:775
 nfsd_startup_generic fs/nfsd/nfssvc.c:292 [inline]
 nfsd_startup_net fs/nfsd/nfssvc.c:387 [inline]
 nfsd_svc+0x5db/0x940 fs/nfsd/nfssvc.c:820
 nfsd_nl_threads_set_doit+0x535/0xbe0 fs/nfsd/nfsctl.c:1722
 genl_family_rcv_msg_doit+0x202/0x2f0 net/netlink/genetlink.c:1115
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0x565/0x800 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x165/0x410 net/netlink/af_netlink.c:2550
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
 netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1357
 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1901
 sock_sendmsg_nosec net/socket.c:729 [inline]
 __sock_sendmsg net/socket.c:744 [inline]
 ____sys_sendmsg+0x9ae/0xb40 net/socket.c:2602
 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2656
 __sys_sendmsg+0x117/0x1f0 net/socket.c:2685
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 0:
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 kasan_save_track+0x14/0x30 mm/kasan/common.c:68
 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:579
 poison_slab_object mm/kasan/common.c:247 [inline]
 __kasan_slab_free+0x51/0x70 mm/kasan/common.c:264
 kasan_slab_free include/linux/kasan.h:230 [inline]
 slab_free_hook mm/slub.c:2343 [inline]
 slab_free mm/slub.c:4580 [inline]
 kfree+0x14f/0x4b0 mm/slub.c:4728
 rcu_do_batch kernel/rcu/tree.c:2567 [inline]
 rcu_core+0x79d/0x14d0 kernel/rcu/tree.c:2823
 handle_softirqs+0x213/0x8f0 kernel/softirq.c:554
 __do_softirq kernel/softirq.c:588 [inline]
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu kernel/softirq.c:637 [inline]
 irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1037
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702

Last potentially related work creation:
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 __kasan_record_aux_stack+0xba/0xd0 mm/kasan/generic.c:541
 __call_rcu_common.constprop.0+0x99/0x7a0 kernel/rcu/tree.c:3086
 shrinker_free+0xfe/0x430 mm/shrinker.c:807
 nfsd_file_cache_shutdown+0xbc/0x4e0 fs/nfsd/filecache.c:923
 nfsd_shutdown_generic fs/nfsd/nfssvc.c:314 [inline]
 nfsd_shutdown_generic fs/nfsd/nfssvc.c:308 [inline]
 nfsd_startup_net fs/nfsd/nfssvc.c:429 [inline]
 nfsd_svc+0x6a9/0x940 fs/nfsd/nfssvc.c:820
 nfsd_nl_threads_set_doit+0x535/0xbe0 fs/nfsd/nfsctl.c:1722
 genl_family_rcv_msg_doit+0x202/0x2f0 net/netlink/genetlink.c:1115
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0x565/0x800 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x165/0x410 net/netlink/af_netlink.c:2550
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
 netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1357
 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1901
 sock_sendmsg_nosec net/socket.c:729 [inline]
 __sock_sendmsg net/socket.c:744 [inline]
 ____sys_sendmsg+0x9ae/0xb40 net/socket.c:2602
 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2656
 __sys_sendmsg+0x117/0x1f0 net/socket.c:2685
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff888027136400
 which belongs to the cache kmalloc-192 of size 192
The buggy address is located 28 bytes inside of
 freed 192-byte region [ffff888027136400, ffff8880271364c0)

The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888027136800 pfn:0x27136
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000000 ffff88801ac413c0 ffffea0000a017c0 dead000000000002
raw: ffff888027136800 000000008010000f 00000001f5000000 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 0x52c00(GFP_NOIO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 1, tgid 1 (swapper/0), ts 16741143638, free_ts 16409922883
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x2d1/0x350 mm/page_alloc.c:1537
 prep_new_page mm/page_alloc.c:1545 [inline]
 get_page_from_freelist+0x101e/0x3070 mm/page_alloc.c:3457
 __alloc_pages_noprof+0x223/0x25c0 mm/page_alloc.c:4733
 alloc_pages_mpol_noprof+0x2c9/0x610 mm/mempolicy.c:2265
 alloc_slab_page mm/slub.c:2413 [inline]
 allocate_slab mm/slub.c:2579 [inline]
 new_slab+0x2ba/0x3f0 mm/slub.c:2632
 ___slab_alloc+0xd1d/0x16f0 mm/slub.c:3819
 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3909
 __slab_alloc_node mm/slub.c:3962 [inline]
 slab_alloc_node mm/slub.c:4123 [inline]
 __do_kmalloc_node mm/slub.c:4264 [inline]
 __kmalloc_noprof+0x379/0x410 mm/slub.c:4277
 kmalloc_noprof include/linux/slab.h:882 [inline]
 usb_alloc_urb+0x71/0x1a0 drivers/usb/core/urb.c:75
 usb_internal_control_msg drivers/usb/core/message.c:96 [inline]
 usb_control_msg+0x1d4/0x4b0 drivers/usb/core/message.c:154
 set_port_feature drivers/usb/core/hub.c:463 [inline]
 hub_suspend+0x8ac/0xa80 drivers/usb/core/hub.c:3950
 usb_suspend_interface drivers/usb/core/driver.c:1328 [inline]
 usb_suspend_both+0x297/0x9c0 drivers/usb/core/driver.c:1433
 usb_runtime_suspend+0x49/0x180 drivers/usb/core/driver.c:1968
 __rpm_callback+0xc5/0x4c0 drivers/base/power/runtime.c:394
 rpm_callback+0x192/0x1d0 drivers/base/power/runtime.c:448
 rpm_suspend+0x2e7/0x1200 drivers/base/power/runtime.c:672
page last free pid 938 tgid 938 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1108 [inline]
 free_unref_page+0x5f4/0xdc0 mm/page_alloc.c:2638
 vfree+0x17a/0x890 mm/vmalloc.c:3361
 delayed_vfree_work+0x56/0x70 mm/vmalloc.c:3282
 process_one_work+0x958/0x1b30 kernel/workqueue.c:3229
 process_scheduled_works kernel/workqueue.c:3310 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

Memory state around the buggy address:
 ffff888027136300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888027136380: 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888027136400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                            ^
 ffff888027136480: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff888027136500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================

final repro crashed as (corrupted=false):
svc: failed to register nfsdv3 RPC service (errno 512).
svc: failed to register nfsaclv3 RPC service (errno 512).
==================================================================
BUG: KASAN: slab-use-after-free in shrinker_free+0x3b7/0x430 mm/shrinker.c:775
Read of size 4 at addr ffff88802713641c by task syz-executor165/6115

CPU: 0 UID: 0 PID: 6115 Comm: syz-executor165 Not tainted 6.12.0-rc1-syzkaller-00125-g0c559323bbaa #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:377 [inline]
 print_report+0xc3/0x620 mm/kasan/report.c:488
 kasan_report+0xd9/0x110 mm/kasan/report.c:601
 shrinker_free+0x3b7/0x430 mm/shrinker.c:775
 nfsd_file_cache_shutdown+0xbc/0x4e0 fs/nfsd/filecache.c:923
 nfsd_shutdown_generic fs/nfsd/nfssvc.c:314 [inline]
 nfsd_shutdown_generic fs/nfsd/nfssvc.c:308 [inline]
 nfsd_startup_net fs/nfsd/nfssvc.c:429 [inline]
 nfsd_svc+0x6a9/0x940 fs/nfsd/nfssvc.c:820
 nfsd_nl_threads_set_doit+0x535/0xbe0 fs/nfsd/nfsctl.c:1722
 genl_family_rcv_msg_doit+0x202/0x2f0 net/netlink/genetlink.c:1115
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0x565/0x800 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x165/0x410 net/netlink/af_netlink.c:2550
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
 netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1357
 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1901
 sock_sendmsg_nosec net/socket.c:729 [inline]
 __sock_sendmsg net/socket.c:744 [inline]
 ____sys_sendmsg+0x9ae/0xb40 net/socket.c:2602
 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2656
 __sys_sendmsg+0x117/0x1f0 net/socket.c:2685
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7f7054f279
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 01 1a 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f7f705080e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f7f7054f279
RDX: 0000000000008004 RSI: 0000000020000140 RDI: 0000000000000004
RBP: 00007f7f705d8340 R08: 0000000000000008 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000246 R12: 00007f7f705d834c
R13: 0000000000000000 R14: 00007ffe9dcbe7b0 R15: 00007ffe9dcbe898
 </TASK>

Allocated by task 6109:
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 kasan_save_track+0x14/0x30 mm/kasan/common.c:68
 poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
 __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:394
 kmalloc_noprof include/linux/slab.h:878 [inline]
 kzalloc_noprof include/linux/slab.h:1014 [inline]
 shrinker_alloc+0xf8/0xb00 mm/shrinker.c:683
 nfsd_file_cache_init+0x1cb/0x4d0 fs/nfsd/filecache.c:775
 nfsd_startup_generic fs/nfsd/nfssvc.c:292 [inline]
 nfsd_startup_net fs/nfsd/nfssvc.c:387 [inline]
 nfsd_svc+0x5db/0x940 fs/nfsd/nfssvc.c:820
 nfsd_nl_threads_set_doit+0x535/0xbe0 fs/nfsd/nfsctl.c:1722
 genl_family_rcv_msg_doit+0x202/0x2f0 net/netlink/genetlink.c:1115
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0x565/0x800 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x165/0x410 net/netlink/af_netlink.c:2550
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
 netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1357
 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1901
 sock_sendmsg_nosec net/socket.c:729 [inline]
 __sock_sendmsg net/socket.c:744 [inline]
 ____sys_sendmsg+0x9ae/0xb40 net/socket.c:2602
 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2656
 __sys_sendmsg+0x117/0x1f0 net/socket.c:2685
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 0:
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 kasan_save_track+0x14/0x30 mm/kasan/common.c:68
 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:579
 poison_slab_object mm/kasan/common.c:247 [inline]
 __kasan_slab_free+0x51/0x70 mm/kasan/common.c:264
 kasan_slab_free include/linux/kasan.h:230 [inline]
 slab_free_hook mm/slub.c:2343 [inline]
 slab_free mm/slub.c:4580 [inline]
 kfree+0x14f/0x4b0 mm/slub.c:4728
 rcu_do_batch kernel/rcu/tree.c:2567 [inline]
 rcu_core+0x79d/0x14d0 kernel/rcu/tree.c:2823
 handle_softirqs+0x213/0x8f0 kernel/softirq.c:554
 __do_softirq kernel/softirq.c:588 [inline]
 invoke_softirq kernel/softirq.c:428 [inline]
 __irq_exit_rcu kernel/softirq.c:637 [inline]
 irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1037 [inline]
 sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1037
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702

Last potentially related work creation:
 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47
 __kasan_record_aux_stack+0xba/0xd0 mm/kasan/generic.c:541
 __call_rcu_common.constprop.0+0x99/0x7a0 kernel/rcu/tree.c:3086
 shrinker_free+0xfe/0x430 mm/shrinker.c:807
 nfsd_file_cache_shutdown+0xbc/0x4e0 fs/nfsd/filecache.c:923
 nfsd_shutdown_generic fs/nfsd/nfssvc.c:314 [inline]
 nfsd_shutdown_generic fs/nfsd/nfssvc.c:308 [inline]
 nfsd_startup_net fs/nfsd/nfssvc.c:429 [inline]
 nfsd_svc+0x6a9/0x940 fs/nfsd/nfssvc.c:820
 nfsd_nl_threads_set_doit+0x535/0xbe0 fs/nfsd/nfsctl.c:1722
 genl_family_rcv_msg_doit+0x202/0x2f0 net/netlink/genetlink.c:1115
 genl_family_rcv_msg net/netlink/genetlink.c:1195 [inline]
 genl_rcv_msg+0x565/0x800 net/netlink/genetlink.c:1210
 netlink_rcv_skb+0x165/0x410 net/netlink/af_netlink.c:2550
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1219
 netlink_unicast_kernel net/netlink/af_netlink.c:1331 [inline]
 netlink_unicast+0x53c/0x7f0 net/netlink/af_netlink.c:1357
 netlink_sendmsg+0x8b8/0xd70 net/netlink/af_netlink.c:1901
 sock_sendmsg_nosec net/socket.c:729 [inline]
 __sock_sendmsg net/socket.c:744 [inline]
 ____sys_sendmsg+0x9ae/0xb40 net/socket.c:2602
 ___sys_sendmsg+0x135/0x1e0 net/socket.c:2656
 __sys_sendmsg+0x117/0x1f0 net/socket.c:2685
 do_syscall_x64 arch/x86/entry/common.c:52 [inline]
 do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff888027136400
 which belongs to the cache kmalloc-192 of size 192
The buggy address is located 28 bytes inside of
 freed 192-byte region [ffff888027136400, ffff8880271364c0)

The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888027136800 pfn:0x27136
flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000000 ffff88801ac413c0 ffffea0000a017c0 dead000000000002
raw: ffff888027136800 000000008010000f 00000001f5000000 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 0x52c00(GFP_NOIO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 1, tgid 1 (swapper/0), ts 16741143638, free_ts 16409922883
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0x2d1/0x350 mm/page_alloc.c:1537
 prep_new_page mm/page_alloc.c:1545 [inline]
 get_page_from_freelist+0x101e/0x3070 mm/page_alloc.c:3457
 __alloc_pages_noprof+0x223/0x25c0 mm/page_alloc.c:4733
 alloc_pages_mpol_noprof+0x2c9/0x610 mm/mempolicy.c:2265
 alloc_slab_page mm/slub.c:2413 [inline]
 allocate_slab mm/slub.c:2579 [inline]
 new_slab+0x2ba/0x3f0 mm/slub.c:2632
 ___slab_alloc+0xd1d/0x16f0 mm/slub.c:3819
 __slab_alloc.constprop.0+0x56/0xb0 mm/slub.c:3909
 __slab_alloc_node mm/slub.c:3962 [inline]
 slab_alloc_node mm/slub.c:4123 [inline]
 __do_kmalloc_node mm/slub.c:4264 [inline]
 __kmalloc_noprof+0x379/0x410 mm/slub.c:4277
 kmalloc_noprof include/linux/slab.h:882 [inline]
 usb_alloc_urb+0x71/0x1a0 drivers/usb/core/urb.c:75
 usb_internal_control_msg drivers/usb/core/message.c:96 [inline]
 usb_control_msg+0x1d4/0x4b0 drivers/usb/core/message.c:154
 set_port_feature drivers/usb/core/hub.c:463 [inline]
 hub_suspend+0x8ac/0xa80 drivers/usb/core/hub.c:3950
 usb_suspend_interface drivers/usb/core/driver.c:1328 [inline]
 usb_suspend_both+0x297/0x9c0 drivers/usb/core/driver.c:1433
 usb_runtime_suspend+0x49/0x180 drivers/usb/core/driver.c:1968
 __rpm_callback+0xc5/0x4c0 drivers/base/power/runtime.c:394
 rpm_callback+0x192/0x1d0 drivers/base/power/runtime.c:448
 rpm_suspend+0x2e7/0x1200 drivers/base/power/runtime.c:672
page last free pid 938 tgid 938 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 free_pages_prepare mm/page_alloc.c:1108 [inline]
 free_unref_page+0x5f4/0xdc0 mm/page_alloc.c:2638
 vfree+0x17a/0x890 mm/vmalloc.c:3361
 delayed_vfree_work+0x56/0x70 mm/vmalloc.c:3282
 process_one_work+0x958/0x1b30 kernel/workqueue.c:3229
 process_scheduled_works kernel/workqueue.c:3310 [inline]
 worker_thread+0x6c8/0xf00 kernel/workqueue.c:3391
 kthread+0x2c1/0x3a0 kernel/kthread.c:389
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:147
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244

Memory state around the buggy address:
 ffff888027136300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
 ffff888027136380: 00 00 00 fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888027136400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                            ^
 ffff888027136480: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc
 ffff888027136500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
==================================================================