Extracting prog: 6m4.49554514s
Minimizing prog: 58m4.126748587s
Simplifying prog options: 0s
Extracting C: 35.826939097s
Simplifying C: 14m48.969657158s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-openat$nullb-sendfile-read$msr-openat$nullb-ioctl$FS_IOC_SETFLAGS
detailed listing:
executing program 0:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./file1\x00', 0xc4042, 0x1b)
r1 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000140), 0x2000, 0x0)
sendfile(r0, r1, 0x0, 0x20fffe82)
read$msr(0xffffffffffffffff, 0x0, 0x0)
r2 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x121003, 0x0)
ioctl$FS_IOC_SETFLAGS(r2, 0x40081271, &(0x7f0000000980)=0x4000)

program did not crash
program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-openat$nullb-sendfile-read$msr-openat$nullb-ioctl$FS_IOC_SETFLAGS
detailed listing:
executing program 0:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./file1\x00', 0xc4042, 0x1b)
r1 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000140), 0x2000, 0x0)
sendfile(r0, r1, 0x0, 0x20fffe82)
read$msr(0xffffffffffffffff, 0x0, 0x0)
r2 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x121003, 0x0)
ioctl$FS_IOC_SETFLAGS(r2, 0x40081271, &(0x7f0000000980)=0x4000)

program did not crash
single: failed to extract reproducer
single: executing 1 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-openat$nullb-sendfile-read$msr-openat$nullb-ioctl$FS_IOC_SETFLAGS
detailed listing:
executing program 0:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./file1\x00', 0xc4042, 0x1b)
r1 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000140), 0x2000, 0x0)
sendfile(r0, r1, 0x0, 0x20fffe82)
read$msr(0xffffffffffffffff, 0x0, 0x0)
r2 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x121003, 0x0)
ioctl$FS_IOC_SETFLAGS(r2, 0x40081271, &(0x7f0000000980)=0x4000)

program crashed: kernel BUG in __filemap_add_folio
single: successfully extracted reproducer
found reproducer with 6 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-openat$nullb-sendfile-read$msr-openat$nullb
detailed listing:
executing program 0:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./file1\x00', 0xc4042, 0x1b)
r1 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000140), 0x2000, 0x0)
sendfile(r0, r1, 0x0, 0x20fffe82)
read$msr(0xffffffffffffffff, 0x0, 0x0)
openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x121003, 0x0)

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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-openat$nullb-sendfile-read$msr-ioctl$FS_IOC_SETFLAGS
detailed listing:
executing program 0:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./file1\x00', 0xc4042, 0x1b)
r1 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000140), 0x2000, 0x0)
sendfile(r0, r1, 0x0, 0x20fffe82)
read$msr(0xffffffffffffffff, 0x0, 0x0)
ioctl$FS_IOC_SETFLAGS(0xffffffffffffffff, 0x40081271, &(0x7f0000000980)=0x4000)

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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-openat$nullb-sendfile-openat$nullb-ioctl$FS_IOC_SETFLAGS
detailed listing:
executing program 0:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./file1\x00', 0xc4042, 0x1b)
r1 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000140), 0x2000, 0x0)
sendfile(r0, r1, 0x0, 0x20fffe82)
r2 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x121003, 0x0)
ioctl$FS_IOC_SETFLAGS(r2, 0x40081271, &(0x7f0000000980)=0x4000)

program crashed: kernel BUG in __filemap_add_folio
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-openat$nullb-openat$nullb-ioctl$FS_IOC_SETFLAGS
detailed listing:
executing program 0:
openat(0xffffffffffffff9c, &(0x7f0000000300)='./file1\x00', 0xc4042, 0x1b)
openat$nullb(0xffffffffffffff9c, &(0x7f0000000140), 0x2000, 0x0)
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x121003, 0x0)
ioctl$FS_IOC_SETFLAGS(r0, 0x40081271, &(0x7f0000000980)=0x4000)

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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-sendfile-openat$nullb-ioctl$FS_IOC_SETFLAGS
detailed listing:
executing program 0:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./file1\x00', 0xc4042, 0x1b)
sendfile(r0, 0xffffffffffffffff, 0x0, 0x20fffe82)
r1 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x121003, 0x0)
ioctl$FS_IOC_SETFLAGS(r1, 0x40081271, &(0x7f0000000980)=0x4000)

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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-sendfile-openat$nullb-ioctl$FS_IOC_SETFLAGS
detailed listing:
executing program 0:
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000140), 0x2000, 0x0)
sendfile(0xffffffffffffffff, r0, 0x0, 0x20fffe82)
r1 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x121003, 0x0)
ioctl$FS_IOC_SETFLAGS(r1, 0x40081271, &(0x7f0000000980)=0x4000)

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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-openat$nullb-sendfile-openat$nullb-ioctl$FS_IOC_SETFLAGS
detailed listing:
executing program 0:
r0 = openat(0xffffffffffffff9c, 0x0, 0xc4042, 0x1b)
r1 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000140), 0x2000, 0x0)
sendfile(r0, r1, 0x0, 0x20fffe82)
r2 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x121003, 0x0)
ioctl$FS_IOC_SETFLAGS(r2, 0x40081271, &(0x7f0000000980)=0x4000)

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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-openat$nullb-sendfile-openat$nullb-ioctl$FS_IOC_SETFLAGS
detailed listing:
executing program 0:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./file1\x00', 0xc4042, 0x1b)
r1 = openat$nullb(0xffffffffffffff9c, 0x0, 0x2000, 0x0)
sendfile(r0, r1, 0x0, 0x20fffe82)
r2 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x121003, 0x0)
ioctl$FS_IOC_SETFLAGS(r2, 0x40081271, &(0x7f0000000980)=0x4000)

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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-openat$nullb-sendfile-openat$nullb-ioctl$FS_IOC_SETFLAGS
detailed listing:
executing program 0:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./file1\x00', 0xc4042, 0x1b)
r1 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000140), 0x2000, 0x0)
sendfile(r0, r1, 0x0, 0x20fffe82)
r2 = openat$nullb(0xffffffffffffff9c, 0x0, 0x121003, 0x0)
ioctl$FS_IOC_SETFLAGS(r2, 0x40081271, &(0x7f0000000980)=0x4000)

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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-openat$nullb-sendfile-openat$nullb-ioctl$FS_IOC_SETFLAGS
detailed listing:
executing program 0:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./file1\x00', 0xc4042, 0x1b)
r1 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000140), 0x2000, 0x0)
sendfile(r0, r1, 0x0, 0x20fffe82)
r2 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x121003, 0x0)
ioctl$FS_IOC_SETFLAGS(r2, 0x40081271, 0x0)

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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-openat$nullb-sendfile-openat$nullb-ioctl$FS_IOC_SETFLAGS
program crashed: kernel BUG in __filemap_add_folio
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-openat$nullb-sendfile-openat$nullb-ioctl$FS_IOC_SETFLAGS
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-openat$nullb-sendfile-openat$nullb-ioctl$FS_IOC_SETFLAGS
program crashed: kernel BUG in __filemap_add_folio
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-openat$nullb-sendfile-openat$nullb-ioctl$FS_IOC_SETFLAGS
program crashed: kernel BUG in __filemap_add_folio
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-openat$nullb-sendfile-openat$nullb-ioctl$FS_IOC_SETFLAGS
program crashed: kernel BUG in __filemap_add_folio
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-openat$nullb-sendfile-openat$nullb-ioctl$FS_IOC_SETFLAGS
program crashed: kernel BUG in __filemap_add_folio
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-openat$nullb-sendfile-openat$nullb-ioctl$FS_IOC_SETFLAGS
program crashed: kernel BUG in __filemap_add_folio
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-openat$nullb-sendfile-openat$nullb-ioctl$FS_IOC_SETFLAGS
program crashed: kernel BUG in __filemap_add_folio
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-openat$nullb-sendfile-openat$nullb-ioctl$FS_IOC_SETFLAGS
detailed listing:
executing program 0:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./file1\x00', 0xc4042, 0x1b)
r1 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000140), 0x2000, 0x0)
sendfile(r0, r1, 0x0, 0x20fffe82)
r2 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x121003, 0x0)
ioctl$FS_IOC_SETFLAGS(r2, 0x40081271, &(0x7f0000000980)=0x4000)

program did not crash
validation run: crashed=false
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-openat$nullb-sendfile-openat$nullb-ioctl$FS_IOC_SETFLAGS
detailed listing:
executing program 0:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./file1\x00', 0xc4042, 0x1b)
r1 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000140), 0x2000, 0x0)
sendfile(r0, r1, 0x0, 0x20fffe82)
r2 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x121003, 0x0)
ioctl$FS_IOC_SETFLAGS(r2, 0x40081271, &(0x7f0000000980)=0x4000)

program crashed: kernel BUG in __filemap_add_folio
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-openat$nullb-sendfile-openat$nullb-ioctl$FS_IOC_SETFLAGS
detailed listing:
executing program 0:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./file1\x00', 0xc4042, 0x1b)
r1 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000140), 0x2000, 0x0)
sendfile(r0, r1, 0x0, 0x20fffe82)
r2 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x121003, 0x0)
ioctl$FS_IOC_SETFLAGS(r2, 0x40081271, &(0x7f0000000980)=0x4000)

program crashed: kernel BUG in __filemap_add_folio
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat-openat$nullb-sendfile-openat$nullb-ioctl$FS_IOC_SETFLAGS
detailed listing:
executing program 0:
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./file1\x00', 0xc4042, 0x1b)
r1 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000140), 0x2000, 0x0)
sendfile(r0, r1, 0x0, 0x20fffe82)
r2 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080), 0x121003, 0x0)
ioctl$FS_IOC_SETFLAGS(r2, 0x40081271, &(0x7f0000000980)=0x4000)

program crashed: kernel BUG in __filemap_add_folio
validation run: crashed=true
reproducing took 1h38m39.989329258s
repro crashed as (corrupted=false):
 rcu_do_batch kernel/rcu/tree.c:2605 [inline]
 rcu_core+0xcab/0x1770 kernel/rcu/tree.c:2861
 handle_softirqs+0x286/0x870 kernel/softirq.c:622
 run_ksoftirqd+0x9b/0x100 kernel/softirq.c:1063
 smpboot_thread_fn+0x542/0xa60 kernel/smpboot.c:160
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
------------[ cut here ]------------
kernel BUG at mm/filemap.c:871!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 6760 Comm: syz.0.231 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:__filemap_add_folio+0x11ad/0x12f0 mm/filemap.c:870
Code: 24 c8 ff 4c 89 e7 48 c7 c6 60 5f b4 8b e8 9b 87 2f ff 90 0f 0b e8 a3 24 c8 ff 4c 89 e7 48 c7 c6 40 56 b4 8b e8 84 87 2f ff 90 <0f> 0b e8 8c 24 c8 ff 4c 89 e7 48 c7 c6 60 5f b4 8b e8 6d 87 2f ff
RSP: 0018:ffffc9000444f2c0 EFLAGS: 00010246
RAX: 4df0b08b51c61100 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8dc8715f RDI: 00000000ffffffff
RBP: ffffc9000444f428 R08: ffffffff8fe49c77 R09: 1ffffffff1fc938e
R10: dffffc0000000000 R11: fffffbfff1fc938f R12: ffffea0001daef40
R13: dffffc0000000000 R14: ffffea0001daef48 R15: 0000000000000002
FS:  00007f18d80dd6c0(0000) GS:ffff8881258b7000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f18d80dcf98 CR3: 00000000761a8000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 filemap_add_folio+0x26d/0x540 mm/filemap.c:978
 ra_alloc_folio mm/readahead.c:453 [inline]
 page_cache_ra_order+0x6bc/0xe70 mm/readahead.c:512
 filemap_get_pages+0x468/0x1de0 mm/filemap.c:2638
 filemap_splice_read+0x581/0xc60 mm/filemap.c:3027
 do_splice_read fs/splice.c:982 [inline]
 splice_direct_to_actor+0x4a9/0xcc0 fs/splice.c:1086
 do_splice_direct_actor fs/splice.c:1204 [inline]
 do_splice_direct+0x181/0x270 fs/splice.c:1230
 do_sendfile+0x4da/0x7e0 fs/read_write.c:1370
 __do_sys_sendfile64 fs/read_write.c:1431 [inline]
 __se_sys_sendfile64+0x13e/0x190 fs/read_write.c:1417
 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: 0033:0x7f18d718eec9
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:00007f18d80dd038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f18d73e5fa0 RCX: 00007f18d718eec9
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003
RBP: 00007f18d7211f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020fffe82 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f18d73e6038 R14: 00007f18d73e5fa0 R15: 00007fff93747de8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0x11ad/0x12f0 mm/filemap.c:870
Code: 24 c8 ff 4c 89 e7 48 c7 c6 60 5f b4 8b e8 9b 87 2f ff 90 0f 0b e8 a3 24 c8 ff 4c 89 e7 48 c7 c6 40 56 b4 8b e8 84 87 2f ff 90 <0f> 0b e8 8c 24 c8 ff 4c 89 e7 48 c7 c6 60 5f b4 8b e8 6d 87 2f ff
RSP: 0018:ffffc9000444f2c0 EFLAGS: 00010246
RAX: 4df0b08b51c61100 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8dc8715f RDI: 00000000ffffffff
RBP: ffffc9000444f428 R08: ffffffff8fe49c77 R09: 1ffffffff1fc938e
R10: dffffc0000000000 R11: fffffbfff1fc938f R12: ffffea0001daef40
R13: dffffc0000000000 R14: ffffea0001daef48 R15: 0000000000000002
FS:  00007f18d80dd6c0(0000) GS:ffff8881258b7000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f18d80dcf98 CR3: 00000000761a8000 CR4: 00000000003526f0

final repro crashed as (corrupted=false):
 rcu_do_batch kernel/rcu/tree.c:2605 [inline]
 rcu_core+0xcab/0x1770 kernel/rcu/tree.c:2861
 handle_softirqs+0x286/0x870 kernel/softirq.c:622
 run_ksoftirqd+0x9b/0x100 kernel/softirq.c:1063
 smpboot_thread_fn+0x542/0xa60 kernel/smpboot.c:160
 kthread+0x711/0x8a0 kernel/kthread.c:463
 ret_from_fork+0x4bc/0x870 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
------------[ cut here ]------------
kernel BUG at mm/filemap.c:871!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 6760 Comm: syz.0.231 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
RIP: 0010:__filemap_add_folio+0x11ad/0x12f0 mm/filemap.c:870
Code: 24 c8 ff 4c 89 e7 48 c7 c6 60 5f b4 8b e8 9b 87 2f ff 90 0f 0b e8 a3 24 c8 ff 4c 89 e7 48 c7 c6 40 56 b4 8b e8 84 87 2f ff 90 <0f> 0b e8 8c 24 c8 ff 4c 89 e7 48 c7 c6 60 5f b4 8b e8 6d 87 2f ff
RSP: 0018:ffffc9000444f2c0 EFLAGS: 00010246
RAX: 4df0b08b51c61100 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8dc8715f RDI: 00000000ffffffff
RBP: ffffc9000444f428 R08: ffffffff8fe49c77 R09: 1ffffffff1fc938e
R10: dffffc0000000000 R11: fffffbfff1fc938f R12: ffffea0001daef40
R13: dffffc0000000000 R14: ffffea0001daef48 R15: 0000000000000002
FS:  00007f18d80dd6c0(0000) GS:ffff8881258b7000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f18d80dcf98 CR3: 00000000761a8000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 filemap_add_folio+0x26d/0x540 mm/filemap.c:978
 ra_alloc_folio mm/readahead.c:453 [inline]
 page_cache_ra_order+0x6bc/0xe70 mm/readahead.c:512
 filemap_get_pages+0x468/0x1de0 mm/filemap.c:2638
 filemap_splice_read+0x581/0xc60 mm/filemap.c:3027
 do_splice_read fs/splice.c:982 [inline]
 splice_direct_to_actor+0x4a9/0xcc0 fs/splice.c:1086
 do_splice_direct_actor fs/splice.c:1204 [inline]
 do_splice_direct+0x181/0x270 fs/splice.c:1230
 do_sendfile+0x4da/0x7e0 fs/read_write.c:1370
 __do_sys_sendfile64 fs/read_write.c:1431 [inline]
 __se_sys_sendfile64+0x13e/0x190 fs/read_write.c:1417
 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: 0033:0x7f18d718eec9
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:00007f18d80dd038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f18d73e5fa0 RCX: 00007f18d718eec9
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000003
RBP: 00007f18d7211f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020fffe82 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f18d73e6038 R14: 00007f18d73e5fa0 R15: 00007fff93747de8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0x11ad/0x12f0 mm/filemap.c:870
Code: 24 c8 ff 4c 89 e7 48 c7 c6 60 5f b4 8b e8 9b 87 2f ff 90 0f 0b e8 a3 24 c8 ff 4c 89 e7 48 c7 c6 40 56 b4 8b e8 84 87 2f ff 90 <0f> 0b e8 8c 24 c8 ff 4c 89 e7 48 c7 c6 60 5f b4 8b e8 6d 87 2f ff
RSP: 0018:ffffc9000444f2c0 EFLAGS: 00010246
RAX: 4df0b08b51c61100 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8dc8715f RDI: 00000000ffffffff
RBP: ffffc9000444f428 R08: ffffffff8fe49c77 R09: 1ffffffff1fc938e
R10: dffffc0000000000 R11: fffffbfff1fc938f R12: ffffea0001daef40
R13: dffffc0000000000 R14: ffffea0001daef48 R15: 0000000000000002
FS:  00007f18d80dd6c0(0000) GS:ffff8881258b7000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f18d80dcf98 CR3: 00000000761a8000 CR4: 00000000003526f0