Extracting prog: 5m33.255904695s
Minimizing prog: 1h27m54.712869858s
Simplifying prog options: 12m15.107526713s
Extracting C: 5m15.411481665s
Simplifying C: 0s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$loop-openat-fanotify_init-mount$9p_fd-fcntl$setstatus-openat-read$FUSE-write$FUSE_STATFS
detailed listing:
executing program 0:
mknodat$loop(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x1000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
r1 = fanotify_init(0x4, 0x1000)
mount$9p_fd(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000540), 0x0, &(0x7f0000000580)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}})
fcntl$setstatus(r0, 0x4, 0x42000)
r2 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
read$FUSE(r0, &(0x7f0000003480)={0x2020, 0x0, <r3=>0x0}, 0x2020)
write$FUSE_STATFS(r2, &(0x7f0000000200)={0x60, 0x0, r3, {{0x9, 0x6, 0x5, 0x2, 0x400069e, 0xae, 0x2400000, 0x800}}}, 0x60)

program crashed: INFO: task hung in p9_fd_close
single: successfully extracted reproducer
found reproducer with 8 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$loop-openat-fanotify_init-mount$9p_fd-fcntl$setstatus-openat-read$FUSE
detailed listing:
executing program 0:
mknodat$loop(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x1000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
r1 = fanotify_init(0x4, 0x1000)
mount$9p_fd(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000540), 0x0, &(0x7f0000000580)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}})
fcntl$setstatus(r0, 0x4, 0x42000)
openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
read$FUSE(r0, &(0x7f0000003480)={0x2020}, 0x2020)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$loop-openat-fanotify_init-mount$9p_fd-fcntl$setstatus-openat-write$FUSE_STATFS
detailed listing:
executing program 0:
mknodat$loop(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x1000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
r1 = fanotify_init(0x4, 0x1000)
mount$9p_fd(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000540), 0x0, &(0x7f0000000580)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}})
fcntl$setstatus(r0, 0x4, 0x42000)
r2 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
write$FUSE_STATFS(r2, &(0x7f0000000200)={0x60, 0x0, 0x0, {{0x9, 0x6, 0x5, 0x2, 0x400069e, 0xae, 0x2400000, 0x800}}}, 0x60)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$loop-openat-fanotify_init-mount$9p_fd-fcntl$setstatus-read$FUSE-write$FUSE_STATFS
detailed listing:
executing program 0:
mknodat$loop(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x1000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
r1 = fanotify_init(0x4, 0x1000)
mount$9p_fd(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000540), 0x0, &(0x7f0000000580)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}})
fcntl$setstatus(r0, 0x4, 0x42000)
read$FUSE(r0, &(0x7f0000003480)={0x2020, 0x0, <r2=>0x0}, 0x2020)
write$FUSE_STATFS(0xffffffffffffffff, &(0x7f0000000200)={0x60, 0x0, r2, {{0x9, 0x6, 0x5, 0x2, 0x400069e, 0xae, 0x2400000, 0x800}}}, 0x60)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$loop-openat-fanotify_init-mount$9p_fd-openat-read$FUSE-write$FUSE_STATFS
detailed listing:
executing program 0:
mknodat$loop(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x1000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
r1 = fanotify_init(0x4, 0x1000)
mount$9p_fd(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000540), 0x0, &(0x7f0000000580)={'trans=fd,', {'rfdno', 0x3d, r0}, 0x2c, {'wfdno', 0x3d, r1}})
r2 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
read$FUSE(r0, &(0x7f0000003480)={0x2020, 0x0, <r3=>0x0}, 0x2020)
write$FUSE_STATFS(r2, &(0x7f0000000200)={0x60, 0x0, r3, {{0x9, 0x6, 0x5, 0x2, 0x400069e, 0xae, 0x2400000, 0x800}}}, 0x60)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$loop-openat-fanotify_init-fcntl$setstatus-openat-read$FUSE-write$FUSE_STATFS
detailed listing:
executing program 0:
mknodat$loop(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x1000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
fanotify_init(0x4, 0x1000)
fcntl$setstatus(r0, 0x4, 0x42000)
r1 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
read$FUSE(r0, &(0x7f0000003480)={0x2020, 0x0, <r2=>0x0}, 0x2020)
write$FUSE_STATFS(r1, &(0x7f0000000200)={0x60, 0x0, r2, {{0x9, 0x6, 0x5, 0x2, 0x400069e, 0xae, 0x2400000, 0x800}}}, 0x60)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$loop-openat-mount$9p_fd-fcntl$setstatus-openat-read$FUSE-write$FUSE_STATFS
detailed listing:
executing program 0:
mknodat$loop(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x1000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
mount$9p_fd(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000540), 0x0, &(0x7f0000000580)={'trans=fd,', {'rfdno', 0x3d, r0}})
fcntl$setstatus(r0, 0x4, 0x42000)
r1 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
read$FUSE(r0, &(0x7f0000003480)={0x2020, 0x0, <r2=>0x0}, 0x2020)
write$FUSE_STATFS(r1, &(0x7f0000000200)={0x60, 0x0, r2, {{0x9, 0x6, 0x5, 0x2, 0x400069e, 0xae, 0x2400000, 0x800}}}, 0x60)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$loop-fanotify_init-mount$9p_fd-fcntl$setstatus-openat-read$FUSE-write$FUSE_STATFS
detailed listing:
executing program 0:
mknodat$loop(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x1000, 0x0)
r0 = fanotify_init(0x4, 0x1000)
mount$9p_fd(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000540), 0x0, &(0x7f0000000580)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r0}})
fcntl$setstatus(0xffffffffffffffff, 0x4, 0x42000)
r1 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
read$FUSE(0xffffffffffffffff, &(0x7f0000003480)={0x2020, 0x0, <r2=>0x0}, 0x2020)
write$FUSE_STATFS(r1, &(0x7f0000000200)={0x60, 0x0, r2, {{0x9, 0x6, 0x5, 0x2, 0x400069e, 0xae, 0x2400000, 0x800}}}, 0x60)

program crashed: WARNING in get_data
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): fanotify_init-mount$9p_fd-fcntl$setstatus-openat-read$FUSE-write$FUSE_STATFS
detailed listing:
executing program 0:
r0 = fanotify_init(0x4, 0x1000)
mount$9p_fd(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000540), 0x0, &(0x7f0000000580)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r0}})
fcntl$setstatus(0xffffffffffffffff, 0x4, 0x42000)
r1 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
read$FUSE(0xffffffffffffffff, &(0x7f0000003480)={0x2020, 0x0, <r2=>0x0}, 0x2020)
write$FUSE_STATFS(r1, &(0x7f0000000200)={0x60, 0x0, r2, {{0x9, 0x6, 0x5, 0x2, 0x400069e, 0xae, 0x2400000, 0x800}}}, 0x60)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$loop-fanotify_init-mount$9p_fd-fcntl$setstatus-openat-read$FUSE-write$FUSE_STATFS
detailed listing:
executing program 0:
mknodat$loop(0xffffffffffffff9c, 0x0, 0x1000, 0x0)
r0 = fanotify_init(0x4, 0x1000)
mount$9p_fd(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000540), 0x0, &(0x7f0000000580)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r0}})
fcntl$setstatus(0xffffffffffffffff, 0x4, 0x42000)
r1 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
read$FUSE(0xffffffffffffffff, &(0x7f0000003480)={0x2020, 0x0, <r2=>0x0}, 0x2020)
write$FUSE_STATFS(r1, &(0x7f0000000200)={0x60, 0x0, r2, {{0x9, 0x6, 0x5, 0x2, 0x400069e, 0xae, 0x2400000, 0x800}}}, 0x60)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$loop-fanotify_init-mount$9p_fd-fcntl$setstatus-openat-read$FUSE-write$FUSE_STATFS
detailed listing:
executing program 0:
mknodat$loop(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x1000, 0x0)
r0 = fanotify_init(0x4, 0x1000)
mount$9p_fd(0x0, 0x0, &(0x7f0000000540), 0x0, &(0x7f0000000580)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r0}})
fcntl$setstatus(0xffffffffffffffff, 0x4, 0x42000)
r1 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
read$FUSE(0xffffffffffffffff, &(0x7f0000003480)={0x2020, 0x0, <r2=>0x0}, 0x2020)
write$FUSE_STATFS(r1, &(0x7f0000000200)={0x60, 0x0, r2, {{0x9, 0x6, 0x5, 0x2, 0x400069e, 0xae, 0x2400000, 0x800}}}, 0x60)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$loop-fanotify_init-mount$9p_fd-fcntl$setstatus-openat-read$FUSE-write$FUSE_STATFS
detailed listing:
executing program 0:
mknodat$loop(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x1000, 0x0)
r0 = fanotify_init(0x4, 0x1000)
mount$9p_fd(0x0, &(0x7f0000000180)='./file0\x00', 0x0, 0x0, &(0x7f0000000580)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r0}})
fcntl$setstatus(0xffffffffffffffff, 0x4, 0x42000)
r1 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
read$FUSE(0xffffffffffffffff, &(0x7f0000003480)={0x2020, 0x0, <r2=>0x0}, 0x2020)
write$FUSE_STATFS(r1, &(0x7f0000000200)={0x60, 0x0, r2, {{0x9, 0x6, 0x5, 0x2, 0x400069e, 0xae, 0x2400000, 0x800}}}, 0x60)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$loop-fanotify_init-mount$9p_fd-fcntl$setstatus-openat-read$FUSE-write$FUSE_STATFS
detailed listing:
executing program 0:
mknodat$loop(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x1000, 0x0)
fanotify_init(0x4, 0x1000)
mount$9p_fd(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000540), 0x0, 0x0)
fcntl$setstatus(0xffffffffffffffff, 0x4, 0x42000)
r0 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
read$FUSE(0xffffffffffffffff, &(0x7f0000003480)={0x2020, 0x0, <r1=>0x0}, 0x2020)
write$FUSE_STATFS(r0, &(0x7f0000000200)={0x60, 0x0, r1, {{0x9, 0x6, 0x5, 0x2, 0x400069e, 0xae, 0x2400000, 0x800}}}, 0x60)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$loop-fanotify_init-mount$9p_fd-fcntl$setstatus-openat-read$FUSE-write$FUSE_STATFS
detailed listing:
executing program 0:
mknodat$loop(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x1000, 0x0)
r0 = fanotify_init(0x4, 0x1000)
mount$9p_fd(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000540), 0x0, &(0x7f0000000580)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r0}})
fcntl$setstatus(0xffffffffffffffff, 0x4, 0x42000)
r1 = openat(0xffffffffffffff9c, 0x0, 0x20842, 0x0)
read$FUSE(0xffffffffffffffff, &(0x7f0000003480)={0x2020, 0x0, <r2=>0x0}, 0x2020)
write$FUSE_STATFS(r1, &(0x7f0000000200)={0x60, 0x0, r2, {{0x9, 0x6, 0x5, 0x2, 0x400069e, 0xae, 0x2400000, 0x800}}}, 0x60)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$loop-fanotify_init-mount$9p_fd-fcntl$setstatus-openat-read$FUSE-write$FUSE_STATFS
detailed listing:
executing program 0:
mknodat$loop(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x1000, 0x0)
r0 = fanotify_init(0x4, 0x1000)
mount$9p_fd(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000540), 0x0, &(0x7f0000000580)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r0}})
fcntl$setstatus(0xffffffffffffffff, 0x4, 0x42000)
r1 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
read$FUSE(0xffffffffffffffff, 0x0, 0x0)
write$FUSE_STATFS(r1, &(0x7f0000000200)={0x60, 0x0, 0x0, {{0x9, 0x6, 0x5, 0x2, 0x400069e, 0xae, 0x2400000, 0x800}}}, 0x60)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$loop-fanotify_init-mount$9p_fd-fcntl$setstatus-openat-read$FUSE-write$FUSE_STATFS
detailed listing:
executing program 0:
mknodat$loop(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x1000, 0x0)
r0 = fanotify_init(0x4, 0x1000)
mount$9p_fd(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000540), 0x0, &(0x7f0000000580)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r0}})
fcntl$setstatus(0xffffffffffffffff, 0x4, 0x42000)
r1 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
read$FUSE(0xffffffffffffffff, &(0x7f0000003480)={0x2020}, 0x2020)
write$FUSE_STATFS(r1, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$loop-fanotify_init-mount$9p_fd-fcntl$setstatus-openat-read$FUSE-write$FUSE_STATFS
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$loop-fanotify_init-mount$9p_fd-fcntl$setstatus-openat-read$FUSE-write$FUSE_STATFS
detailed listing:
executing program 0:
mknodat$loop(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x1000, 0x0)
r0 = fanotify_init(0x4, 0x1000)
mount$9p_fd(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000540), 0x0, &(0x7f0000000580)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r0}})
fcntl$setstatus(0xffffffffffffffff, 0x4, 0x42000)
r1 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
read$FUSE(0xffffffffffffffff, &(0x7f0000003480)={0x2020, 0x0, <r2=>0x0}, 0x2020)
write$FUSE_STATFS(r1, &(0x7f0000000200)={0x60, 0x0, r2, {{0x9, 0x6, 0x5, 0x2, 0x400069e, 0xae, 0x2400000, 0x800}}}, 0x60)

program did not crash
testing 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$loop-fanotify_init-mount$9p_fd-fcntl$setstatus-openat-read$FUSE-write$FUSE_STATFS
detailed listing:
executing program 0:
mknodat$loop(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x1000, 0x0)
r0 = fanotify_init(0x4, 0x1000)
mount$9p_fd(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000540), 0x0, &(0x7f0000000580)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r0}})
fcntl$setstatus(0xffffffffffffffff, 0x4, 0x42000)
r1 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
read$FUSE(0xffffffffffffffff, &(0x7f0000003480)={0x2020, 0x0, <r2=>0x0}, 0x2020)
write$FUSE_STATFS(r1, &(0x7f0000000200)={0x60, 0x0, r2, {{0x9, 0x6, 0x5, 0x2, 0x400069e, 0xae, 0x2400000, 0x800}}}, 0x60)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$loop-fanotify_init-mount$9p_fd-fcntl$setstatus-openat-read$FUSE-write$FUSE_STATFS
detailed listing:
executing program 0:
mknodat$loop(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x1000, 0x0)
r0 = fanotify_init(0x4, 0x1000)
mount$9p_fd(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000540), 0x0, &(0x7f0000000580)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r0}})
fcntl$setstatus(0xffffffffffffffff, 0x4, 0x42000)
r1 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
read$FUSE(0xffffffffffffffff, &(0x7f0000003480)={0x2020, 0x0, <r2=>0x0}, 0x2020)
write$FUSE_STATFS(r1, &(0x7f0000000200)={0x60, 0x0, r2, {{0x9, 0x6, 0x5, 0x2, 0x400069e, 0xae, 0x2400000, 0x800}}}, 0x60)

program crashed: WARNING in get_data
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$loop-fanotify_init-mount$9p_fd-fcntl$setstatus-openat-read$FUSE-write$FUSE_STATFS
detailed listing:
executing program 0:
mknodat$loop(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x1000, 0x0)
r0 = fanotify_init(0x4, 0x1000)
mount$9p_fd(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000540), 0x0, &(0x7f0000000580)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r0}})
fcntl$setstatus(0xffffffffffffffff, 0x4, 0x42000)
r1 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
read$FUSE(0xffffffffffffffff, &(0x7f0000003480)={0x2020, 0x0, <r2=>0x0}, 0x2020)
write$FUSE_STATFS(r1, &(0x7f0000000200)={0x60, 0x0, r2, {{0x9, 0x6, 0x5, 0x2, 0x400069e, 0xae, 0x2400000, 0x800}}}, 0x60)

program did not crash
validation run: crashed=false
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$loop-fanotify_init-mount$9p_fd-fcntl$setstatus-openat-read$FUSE-write$FUSE_STATFS
detailed listing:
executing program 0:
mknodat$loop(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x1000, 0x0)
r0 = fanotify_init(0x4, 0x1000)
mount$9p_fd(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000540), 0x0, &(0x7f0000000580)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r0}})
fcntl$setstatus(0xffffffffffffffff, 0x4, 0x42000)
r1 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
read$FUSE(0xffffffffffffffff, &(0x7f0000003480)={0x2020, 0x0, <r2=>0x0}, 0x2020)
write$FUSE_STATFS(r1, &(0x7f0000000200)={0x60, 0x0, r2, {{0x9, 0x6, 0x5, 0x2, 0x400069e, 0xae, 0x2400000, 0x800}}}, 0x60)

program did not crash
validation run: crashed=false
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$loop-fanotify_init-mount$9p_fd-fcntl$setstatus-openat-read$FUSE-write$FUSE_STATFS
detailed listing:
executing program 0:
mknodat$loop(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x1000, 0x0)
r0 = fanotify_init(0x4, 0x1000)
mount$9p_fd(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000540), 0x0, &(0x7f0000000580)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r0}})
fcntl$setstatus(0xffffffffffffffff, 0x4, 0x42000)
r1 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
read$FUSE(0xffffffffffffffff, &(0x7f0000003480)={0x2020, 0x0, <r2=>0x0}, 0x2020)
write$FUSE_STATFS(r1, &(0x7f0000000200)={0x60, 0x0, r2, {{0x9, 0x6, 0x5, 0x2, 0x400069e, 0xae, 0x2400000, 0x800}}}, 0x60)

program did not crash
validation run: crashed=false
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$loop-fanotify_init-mount$9p_fd-fcntl$setstatus-openat-read$FUSE-write$FUSE_STATFS
detailed listing:
executing program 0:
mknodat$loop(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x1000, 0x0)
r0 = fanotify_init(0x4, 0x1000)
mount$9p_fd(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000540), 0x0, &(0x7f0000000580)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r0}})
fcntl$setstatus(0xffffffffffffffff, 0x4, 0x42000)
r1 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
read$FUSE(0xffffffffffffffff, &(0x7f0000003480)={0x2020, 0x0, <r2=>0x0}, 0x2020)
write$FUSE_STATFS(r1, &(0x7f0000000200)={0x60, 0x0, r2, {{0x9, 0x6, 0x5, 0x2, 0x400069e, 0xae, 0x2400000, 0x800}}}, 0x60)

program did not crash
validation run: crashed=false
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$loop-fanotify_init-mount$9p_fd-fcntl$setstatus-openat-read$FUSE-write$FUSE_STATFS
detailed listing:
executing program 0:
mknodat$loop(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x1000, 0x0)
r0 = fanotify_init(0x4, 0x1000)
mount$9p_fd(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000540), 0x0, &(0x7f0000000580)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r0}})
fcntl$setstatus(0xffffffffffffffff, 0x4, 0x42000)
r1 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
read$FUSE(0xffffffffffffffff, &(0x7f0000003480)={0x2020, 0x0, <r2=>0x0}, 0x2020)
write$FUSE_STATFS(r1, &(0x7f0000000200)={0x60, 0x0, r2, {{0x9, 0x6, 0x5, 0x2, 0x400069e, 0xae, 0x2400000, 0x800}}}, 0x60)

program did not crash
validation run: crashed=false
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$loop-fanotify_init-mount$9p_fd-fcntl$setstatus-openat-read$FUSE-write$FUSE_STATFS
detailed listing:
executing program 0:
mknodat$loop(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x1000, 0x0)
r0 = fanotify_init(0x4, 0x1000)
mount$9p_fd(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000540), 0x0, &(0x7f0000000580)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r0}})
fcntl$setstatus(0xffffffffffffffff, 0x4, 0x42000)
r1 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
read$FUSE(0xffffffffffffffff, &(0x7f0000003480)={0x2020, 0x0, <r2=>0x0}, 0x2020)
write$FUSE_STATFS(r1, &(0x7f0000000200)={0x60, 0x0, r2, {{0x9, 0x6, 0x5, 0x2, 0x400069e, 0xae, 0x2400000, 0x800}}}, 0x60)

program did not crash
validation run: crashed=false
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$loop-fanotify_init-mount$9p_fd-fcntl$setstatus-openat-read$FUSE-write$FUSE_STATFS
detailed listing:
executing program 0:
mknodat$loop(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x1000, 0x0)
r0 = fanotify_init(0x4, 0x1000)
mount$9p_fd(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000540), 0x0, &(0x7f0000000580)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r0}})
fcntl$setstatus(0xffffffffffffffff, 0x4, 0x42000)
r1 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
read$FUSE(0xffffffffffffffff, &(0x7f0000003480)={0x2020, 0x0, <r2=>0x0}, 0x2020)
write$FUSE_STATFS(r1, &(0x7f0000000200)={0x60, 0x0, r2, {{0x9, 0x6, 0x5, 0x2, 0x400069e, 0xae, 0x2400000, 0x800}}}, 0x60)

program did not crash
validation run: crashed=false
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$loop-fanotify_init-mount$9p_fd-fcntl$setstatus-openat-read$FUSE-write$FUSE_STATFS
detailed listing:
executing program 0:
mknodat$loop(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x1000, 0x0)
r0 = fanotify_init(0x4, 0x1000)
mount$9p_fd(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000540), 0x0, &(0x7f0000000580)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r0}})
fcntl$setstatus(0xffffffffffffffff, 0x4, 0x42000)
r1 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
read$FUSE(0xffffffffffffffff, &(0x7f0000003480)={0x2020, 0x0, <r2=>0x0}, 0x2020)
write$FUSE_STATFS(r1, &(0x7f0000000200)={0x60, 0x0, r2, {{0x9, 0x6, 0x5, 0x2, 0x400069e, 0xae, 0x2400000, 0x800}}}, 0x60)

program crashed: WARNING in get_data
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mknodat$loop-fanotify_init-mount$9p_fd-fcntl$setstatus-openat-read$FUSE-write$FUSE_STATFS
detailed listing:
executing program 0:
mknodat$loop(0xffffffffffffff9c, &(0x7f0000000080)='./file0\x00', 0x1000, 0x0)
r0 = fanotify_init(0x4, 0x1000)
mount$9p_fd(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000540), 0x0, &(0x7f0000000580)={'trans=fd,', {}, 0x2c, {'wfdno', 0x3d, r0}})
fcntl$setstatus(0xffffffffffffffff, 0x4, 0x42000)
r1 = openat(0xffffffffffffff9c, &(0x7f000000c380)='./file0\x00', 0x20842, 0x0)
read$FUSE(0xffffffffffffffff, &(0x7f0000003480)={0x2020, 0x0, <r2=>0x0}, 0x2020)
write$FUSE_STATFS(r1, &(0x7f0000000200)={0x60, 0x0, r2, {{0x9, 0x6, 0x5, 0x2, 0x400069e, 0xae, 0x2400000, 0x800}}}, 0x60)

program did not crash
validation run: crashed=false
reproducing took 2h52m5.542965102s
repro crashed as (corrupted=false):
------------[ cut here ]------------
WARNING: kernel/printk/printk_ringbuffer.c:1278 at get_data+0x48a/0x840 kernel/printk/printk_ringbuffer.c:1278, CPU#0: syz.1.2217/10523
Modules linked in:
CPU: 0 UID: 0 PID: 10523 Comm: syz.1.2217 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:get_data+0x48a/0x840 kernel/printk/printk_ringbuffer.c:1278
Code: 83 c4 f8 48 b8 00 00 00 00 00 fc ff df 41 0f b6 04 07 84 c0 0f 85 ee 01 00 00 44 89 65 00 49 83 c5 08 eb 13 e8 87 47 1f 00 90 <0f> 0b 90 eb 05 e8 7c 47 1f 00 45 31 ed 4c 89 e8 48 83 c4 28 5b 41
RSP: 0018:ffffc9000d697000 EFLAGS: 00010293
RAX: ffffffff81a238a9 RBX: 00003fffffffffff RCX: ffff888033b48000
RDX: 0000000000000000 RSI: 00003fffffffffff RDI: 0000000000000000
RBP: 0000000000000012 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000012
R13: 0000000000000000 R14: ffffc9000d697148 R15: 1ffffffff1bca6c2
FS:  00007f67447d96c0(0000) GS:ffff888125ec2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001000 CR3: 0000000078ec6000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 copy_data kernel/printk/printk_ringbuffer.c:1857 [inline]
 prb_read kernel/printk/printk_ringbuffer.c:1966 [inline]
 _prb_read_valid+0x672/0xa90 kernel/printk/printk_ringbuffer.c:2143
 prb_read_valid+0x3c/0x60 kernel/printk/printk_ringbuffer.c:2215
 printk_get_next_message+0x15c/0x7b0 kernel/printk/printk.c:2978
 console_emit_next_record kernel/printk/printk.c:3062 [inline]
 console_flush_one_record kernel/printk/printk.c:3194 [inline]
 console_flush_all+0x4cc/0xb10 kernel/printk/printk.c:3268
 __console_flush_and_unlock kernel/printk/printk.c:3298 [inline]
 console_unlock+0xbb/0x190 kernel/printk/printk.c:3338
 vprintk_emit+0x4c5/0x590 kernel/printk/printk.c:2423
 _printk+0xcf/0x120 kernel/printk/printk.c:2448
 logfc+0x401/0x4f0 fs/fs_context.c:-1
 fs_param_bad_value fs/fs_parser.c:196 [inline]
 fs_param_is_u32+0x1aa/0x230 fs/fs_parser.c:-1
 __fs_parse+0x3bc/0x730 fs/fs_parser.c:129
 fs_parse include/linux/fs_parser.h:76 [inline]
 v9fs_parse_param+0xd2/0xf80 fs/9p/v9fs.c:205
 vfs_parse_fs_param+0x1a9/0x420 fs/fs_context.c:146
 vfs_parse_fs_qstr fs/fs_context.c:187 [inline]
 vfs_parse_fs_string include/linux/fs_context.h:142 [inline]
 vfs_parse_monolithic_sep+0x25d/0x320 fs/fs_context.c:227
 do_new_mount+0x2cb/0xa10 fs/namespace.c:3713
 do_mount fs/namespace.c:4040 [inline]
 __do_sys_mount fs/namespace.c:4228 [inline]
 __se_sys_mount+0x313/0x410 fs/namespace.c:4205
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f674398f6c9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f67447d9038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f6743be5fa0 RCX: 00007f674398f6c9
RDX: 0000200000000540 RSI: 0000200000000180 RDI: 0000000000000000
RBP: 00007f6743a11f91 R08: 0000200000000580 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6743be6038 R14: 00007f6743be5fa0 R15: 00007ffead7be498
 </TASK>

final repro crashed as (corrupted=false):
------------[ cut here ]------------
WARNING: kernel/printk/printk_ringbuffer.c:1278 at get_data+0x48a/0x840 kernel/printk/printk_ringbuffer.c:1278, CPU#0: syz.1.2217/10523
Modules linked in:
CPU: 0 UID: 0 PID: 10523 Comm: syz.1.2217 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:get_data+0x48a/0x840 kernel/printk/printk_ringbuffer.c:1278
Code: 83 c4 f8 48 b8 00 00 00 00 00 fc ff df 41 0f b6 04 07 84 c0 0f 85 ee 01 00 00 44 89 65 00 49 83 c5 08 eb 13 e8 87 47 1f 00 90 <0f> 0b 90 eb 05 e8 7c 47 1f 00 45 31 ed 4c 89 e8 48 83 c4 28 5b 41
RSP: 0018:ffffc9000d697000 EFLAGS: 00010293
RAX: ffffffff81a238a9 RBX: 00003fffffffffff RCX: ffff888033b48000
RDX: 0000000000000000 RSI: 00003fffffffffff RDI: 0000000000000000
RBP: 0000000000000012 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000012
R13: 0000000000000000 R14: ffffc9000d697148 R15: 1ffffffff1bca6c2
FS:  00007f67447d96c0(0000) GS:ffff888125ec2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000001000 CR3: 0000000078ec6000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 copy_data kernel/printk/printk_ringbuffer.c:1857 [inline]
 prb_read kernel/printk/printk_ringbuffer.c:1966 [inline]
 _prb_read_valid+0x672/0xa90 kernel/printk/printk_ringbuffer.c:2143
 prb_read_valid+0x3c/0x60 kernel/printk/printk_ringbuffer.c:2215
 printk_get_next_message+0x15c/0x7b0 kernel/printk/printk.c:2978
 console_emit_next_record kernel/printk/printk.c:3062 [inline]
 console_flush_one_record kernel/printk/printk.c:3194 [inline]
 console_flush_all+0x4cc/0xb10 kernel/printk/printk.c:3268
 __console_flush_and_unlock kernel/printk/printk.c:3298 [inline]
 console_unlock+0xbb/0x190 kernel/printk/printk.c:3338
 vprintk_emit+0x4c5/0x590 kernel/printk/printk.c:2423
 _printk+0xcf/0x120 kernel/printk/printk.c:2448
 logfc+0x401/0x4f0 fs/fs_context.c:-1
 fs_param_bad_value fs/fs_parser.c:196 [inline]
 fs_param_is_u32+0x1aa/0x230 fs/fs_parser.c:-1
 __fs_parse+0x3bc/0x730 fs/fs_parser.c:129
 fs_parse include/linux/fs_parser.h:76 [inline]
 v9fs_parse_param+0xd2/0xf80 fs/9p/v9fs.c:205
 vfs_parse_fs_param+0x1a9/0x420 fs/fs_context.c:146
 vfs_parse_fs_qstr fs/fs_context.c:187 [inline]
 vfs_parse_fs_string include/linux/fs_context.h:142 [inline]
 vfs_parse_monolithic_sep+0x25d/0x320 fs/fs_context.c:227
 do_new_mount+0x2cb/0xa10 fs/namespace.c:3713
 do_mount fs/namespace.c:4040 [inline]
 __do_sys_mount fs/namespace.c:4228 [inline]
 __se_sys_mount+0x313/0x410 fs/namespace.c:4205
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f674398f6c9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f67447d9038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f6743be5fa0 RCX: 00007f674398f6c9
RDX: 0000200000000540 RSI: 0000200000000180 RDI: 0000000000000000
RBP: 00007f6743a11f91 R08: 0000200000000580 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6743be6038 R14: 00007f6743be5fa0 R15: 00007ffead7be498
 </TASK>