Extracting prog: 1m17.399324878s
Minimizing prog: 8m31.463776712s
Simplifying prog options: 0s
Extracting C: 20.411898137s
Simplifying C: 4m42.405490814s


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$nullb-fsconfig$FSCONFIG_CMD_CREATE-fchdir-open_tree-move_mount-openat$cgroup_ro-dup-mmap-ioctl$BLKBSZSET
detailed listing:
executing program 0:
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000001000), 0x169802, 0x0)
fsconfig$FSCONFIG_CMD_CREATE(0xffffffffffffffff, 0x6, 0x0, 0x0, 0x0)
fchdir(0xffffffffffffffff)
r1 = open_tree(0xffffffffffffff9c, &(0x7f0000000640)='\x00', 0x89901)
move_mount(r1, &(0x7f0000000140)='.\x00', 0xffffffffffffff9c, &(0x7f0000000300)='./file0\x00', 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='hugetlb.2MB.usage_in_bytes\x00', 0x275a, 0x0)
r2 = dup(r0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x1000006, 0x13, r2, 0x0)
ioctl$BLKBSZSET(r0, 0x40081271, &(0x7f0000000100)=0x10000)

program crashed: kernel BUG in __filemap_add_folio
single: successfully extracted reproducer
found reproducer with 9 syscalls
minimizing guilty program
testing program (duration=38.747738791s, {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$nullb-fsconfig$FSCONFIG_CMD_CREATE-fchdir-open_tree-move_mount-openat$cgroup_ro-dup-mmap
detailed listing:
executing program 0:
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000001000), 0x169802, 0x0)
fsconfig$FSCONFIG_CMD_CREATE(0xffffffffffffffff, 0x6, 0x0, 0x0, 0x0)
fchdir(0xffffffffffffffff)
r1 = open_tree(0xffffffffffffff9c, &(0x7f0000000640)='\x00', 0x89901)
move_mount(r1, &(0x7f0000000140)='.\x00', 0xffffffffffffff9c, &(0x7f0000000300)='./file0\x00', 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='hugetlb.2MB.usage_in_bytes\x00', 0x275a, 0x0)
r2 = dup(r0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x1000006, 0x13, r2, 0x0)

program did not crash
testing program (duration=38.747738791s, {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$nullb-fsconfig$FSCONFIG_CMD_CREATE-fchdir-open_tree-move_mount-openat$cgroup_ro-dup-ioctl$BLKBSZSET
detailed listing:
executing program 0:
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000001000), 0x169802, 0x0)
fsconfig$FSCONFIG_CMD_CREATE(0xffffffffffffffff, 0x6, 0x0, 0x0, 0x0)
fchdir(0xffffffffffffffff)
r1 = open_tree(0xffffffffffffff9c, &(0x7f0000000640)='\x00', 0x89901)
move_mount(r1, &(0x7f0000000140)='.\x00', 0xffffffffffffff9c, &(0x7f0000000300)='./file0\x00', 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='hugetlb.2MB.usage_in_bytes\x00', 0x275a, 0x0)
dup(r0)
ioctl$BLKBSZSET(r0, 0x40081271, &(0x7f0000000100)=0x10000)

program did not crash
testing program (duration=38.747738791s, {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$nullb-fsconfig$FSCONFIG_CMD_CREATE-fchdir-open_tree-move_mount-openat$cgroup_ro-mmap-ioctl$BLKBSZSET
detailed listing:
executing program 0:
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000001000), 0x169802, 0x0)
fsconfig$FSCONFIG_CMD_CREATE(0xffffffffffffffff, 0x6, 0x0, 0x0, 0x0)
fchdir(0xffffffffffffffff)
r1 = open_tree(0xffffffffffffff9c, &(0x7f0000000640)='\x00', 0x89901)
move_mount(r1, &(0x7f0000000140)='.\x00', 0xffffffffffffff9c, &(0x7f0000000300)='./file0\x00', 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='hugetlb.2MB.usage_in_bytes\x00', 0x275a, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x1000006, 0x13, 0xffffffffffffffff, 0x0)
ioctl$BLKBSZSET(r0, 0x40081271, &(0x7f0000000100)=0x10000)

program did not crash
testing program (duration=38.747738791s, {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$nullb-fsconfig$FSCONFIG_CMD_CREATE-fchdir-open_tree-move_mount-dup-mmap-ioctl$BLKBSZSET
detailed listing:
executing program 0:
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000001000), 0x169802, 0x0)
fsconfig$FSCONFIG_CMD_CREATE(0xffffffffffffffff, 0x6, 0x0, 0x0, 0x0)
fchdir(0xffffffffffffffff)
r1 = open_tree(0xffffffffffffff9c, &(0x7f0000000640)='\x00', 0x89901)
move_mount(r1, &(0x7f0000000140)='.\x00', 0xffffffffffffff9c, &(0x7f0000000300)='./file0\x00', 0x0)
r2 = dup(r0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x1000006, 0x13, r2, 0x0)
ioctl$BLKBSZSET(r0, 0x40081271, &(0x7f0000000100)=0x10000)

program crashed: kernel BUG in __filemap_add_folio
testing program (duration=38.747738791s, {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$nullb-fsconfig$FSCONFIG_CMD_CREATE-fchdir-open_tree-dup-mmap-ioctl$BLKBSZSET
detailed listing:
executing program 0:
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000001000), 0x169802, 0x0)
fsconfig$FSCONFIG_CMD_CREATE(0xffffffffffffffff, 0x6, 0x0, 0x0, 0x0)
fchdir(0xffffffffffffffff)
open_tree(0xffffffffffffff9c, &(0x7f0000000640)='\x00', 0x89901)
r1 = dup(r0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x1000006, 0x13, r1, 0x0)
ioctl$BLKBSZSET(r0, 0x40081271, &(0x7f0000000100)=0x10000)

program crashed: kernel BUG in __filemap_add_folio
testing program (duration=38.747738791s, {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$nullb-fsconfig$FSCONFIG_CMD_CREATE-fchdir-dup-mmap-ioctl$BLKBSZSET
detailed listing:
executing program 0:
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000001000), 0x169802, 0x0)
fsconfig$FSCONFIG_CMD_CREATE(0xffffffffffffffff, 0x6, 0x0, 0x0, 0x0)
fchdir(0xffffffffffffffff)
r1 = dup(r0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x1000006, 0x13, r1, 0x0)
ioctl$BLKBSZSET(r0, 0x40081271, &(0x7f0000000100)=0x10000)

program crashed: kernel BUG in __filemap_add_folio
testing program (duration=38.747738791s, {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$nullb-fsconfig$FSCONFIG_CMD_CREATE-dup-mmap-ioctl$BLKBSZSET
detailed listing:
executing program 0:
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000001000), 0x169802, 0x0)
fsconfig$FSCONFIG_CMD_CREATE(0xffffffffffffffff, 0x6, 0x0, 0x0, 0x0)
r1 = dup(r0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x1000006, 0x13, r1, 0x0)
ioctl$BLKBSZSET(r0, 0x40081271, &(0x7f0000000100)=0x10000)

program crashed: kernel BUG in __filemap_add_folio
testing program (duration=38.747738791s, {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$nullb-dup-mmap-ioctl$BLKBSZSET
detailed listing:
executing program 0:
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000001000), 0x169802, 0x0)
r1 = dup(r0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x1000006, 0x13, r1, 0x0)
ioctl$BLKBSZSET(r0, 0x40081271, &(0x7f0000000100)=0x10000)

program crashed: kernel BUG in __filemap_add_folio
testing program (duration=38.747738791s, {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}}): dup-mmap-ioctl$BLKBSZSET
detailed listing:
executing program 0:
r0 = dup(0xffffffffffffffff)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x1000006, 0x13, r0, 0x0)
ioctl$BLKBSZSET(0xffffffffffffffff, 0x40081271, &(0x7f0000000100)=0x10000)

program did not crash
testing program (duration=38.747738791s, {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$nullb-dup-mmap-ioctl$BLKBSZSET
detailed listing:
executing program 0:
r0 = openat$nullb(0xffffffffffffff9c, 0x0, 0x169802, 0x0)
r1 = dup(r0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x1000006, 0x13, r1, 0x0)
ioctl$BLKBSZSET(r0, 0x40081271, &(0x7f0000000100)=0x10000)

program did not crash
testing program (duration=38.747738791s, {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$nullb-dup-mmap-ioctl$BLKBSZSET
detailed listing:
executing program 0:
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000001000), 0x169802, 0x0)
r1 = dup(r0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x1000006, 0x13, r1, 0x0)
ioctl$BLKBSZSET(r0, 0x40081271, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=38.747738791s, {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$nullb-dup-mmap-ioctl$BLKBSZSET
program crashed: kernel BUG in __filemap_add_folio
simplifying C reproducer
testing compiled C program (duration=38.747738791s, {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$nullb-dup-mmap-ioctl$BLKBSZSET
program crashed: kernel BUG in __filemap_add_folio
testing compiled C program (duration=38.747738791s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-ioctl$BLKBSZSET
program did not crash
testing compiled C program (duration=38.747738791s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-ioctl$BLKBSZSET
program did not crash
testing compiled C program (duration=38.747738791s, {Threaded:false 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-ioctl$BLKBSZSET
program crashed: kernel BUG in __filemap_add_folio
testing compiled C program (duration=38.747738791s, {Threaded:false 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-ioctl$BLKBSZSET
program crashed: kernel BUG in __filemap_add_folio
testing compiled C program (duration=38.747738791s, {Threaded:false 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-ioctl$BLKBSZSET
program crashed: kernel BUG in __filemap_add_folio
testing compiled C program (duration=38.747738791s, {Threaded:false 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-ioctl$BLKBSZSET
program crashed: kernel BUG in __filemap_add_folio
testing compiled C program (duration=38.747738791s, {Threaded:false 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:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-ioctl$BLKBSZSET
program crashed: kernel BUG in __filemap_add_folio
testing program (duration=38.747738791s, {Threaded:false 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:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-ioctl$BLKBSZSET
detailed listing:
executing program 0:
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000001000), 0x169802, 0x0)
r1 = dup(r0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x1000006, 0x13, r1, 0x0)
ioctl$BLKBSZSET(r0, 0x40081271, &(0x7f0000000100)=0x10000)

program crashed: kernel BUG in __filemap_add_folio
validation run: crashed=true
testing program (duration=38.747738791s, {Threaded:false 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:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-ioctl$BLKBSZSET
detailed listing:
executing program 0:
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000001000), 0x169802, 0x0)
r1 = dup(r0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x1000006, 0x13, r1, 0x0)
ioctl$BLKBSZSET(r0, 0x40081271, &(0x7f0000000100)=0x10000)

program crashed: kernel BUG in __filemap_add_folio
validation run: crashed=true
testing program (duration=38.747738791s, {Threaded:false 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:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$nullb-dup-mmap-ioctl$BLKBSZSET
detailed listing:
executing program 0:
r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000001000), 0x169802, 0x0)
r1 = dup(r0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0x1000006, 0x13, r1, 0x0)
ioctl$BLKBSZSET(r0, 0x40081271, &(0x7f0000000100)=0x10000)

program crashed: kernel BUG in __filemap_add_folio
validation run: crashed=true
reproducing took 17m0.19132624s
repro crashed as (corrupted=false):
 process_scheduled_works kernel/workqueue.c:3340 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3421
 kthread+0x3c5/0x780 kernel/kthread.c:463
 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
------------[ cut here ]------------
kernel BUG at mm/filemap.c:858!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 3 UID: 0 PID: 6205 Comm: syz.0.114 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__filemap_add_folio+0xf29/0x11b0 mm/filemap.c:858
Code: 97 c6 ff 48 c7 c6 c0 ec 99 8b 4c 89 ef e8 0f 74 11 00 90 0f 0b e8 07 97 c6 ff 48 c7 c6 20 ed 99 8b 4c 89 ef e8 f8 73 11 00 90 <0f> 0b e8 f0 96 c6 ff 90 0f 0b 90 e9 1c fc ff ff e8 e2 96 c6 ff 48
RSP: 0018:ffffc90003787840 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888022ed4980 RSI: ffffffff81f84f98 RDI: ffff888022ed4e04
RBP: 0000000000112cc0 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff9088b3d7 R11: 0000000000000003 R12: 0000000000000004
R13: ffffea0000a9f6c0 R14: 0000000000000000 R15: 0000000000000000
FS:  000055555e234500(0000) GS:ffff8880d6bf5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000100 CR3: 00000000358e6000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 filemap_add_folio+0x19a/0x610 mm/filemap.c:966
 ra_alloc_folio mm/readahead.c:453 [inline]
 page_cache_ra_order+0x637/0xed0 mm/readahead.c:512
 do_sync_mmap_readahead mm/filemap.c:3400 [inline]
 filemap_fault+0x16ac/0x29d0 mm/filemap.c:3549
 __do_fault+0x10d/0x490 mm/memory.c:5320
 do_shared_fault mm/memory.c:5819 [inline]
 do_fault+0x302/0x1ad0 mm/memory.c:5893
 do_pte_missing mm/memory.c:4401 [inline]
 handle_pte_fault mm/memory.c:6273 [inline]
 __handle_mm_fault+0x1919/0x2bb0 mm/memory.c:6411
 handle_mm_fault+0x3fe/0xad0 mm/memory.c:6580
 do_user_addr_fault+0x60c/0x1370 arch/x86/mm/fault.c:1336
 handle_page_fault arch/x86/mm/fault.c:1476 [inline]
 exc_page_fault+0x64/0xc0 arch/x86/mm/fault.c:1532
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618
RIP: 0033:0x7fd47c6555f3
Code: 8b 44 24 08 48 85 c0 74 17 48 8b 54 24 18 48 0f ca 48 89 54 24 18 48 83 f8 01 0f 85 7a 02 00 00 48 8b 44 24 10 48 8b 54 24 18 <48> 89 10 e9 d2 fd ff ff 48 8b 44 24 10 0f b7 10 48 8b 44 24 08 48
RSP: 002b:00007fffd62755f0 EFLAGS: 00010246
RAX: 0000200000000100 RBX: 0000000000000008 RCX: 0000000000000000
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 000055555e2343c8
RBP: 00007fffd62756f8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000002 R12: 00007fd47c9e5fac
R13: 00007fd47c9e5fa0 R14: fffffffffffffffe R15: 0000000000000006
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0xf29/0x11b0 mm/filemap.c:858
Code: 97 c6 ff 48 c7 c6 c0 ec 99 8b 4c 89 ef e8 0f 74 11 00 90 0f 0b e8 07 97 c6 ff 48 c7 c6 20 ed 99 8b 4c 89 ef e8 f8 73 11 00 90 <0f> 0b e8 f0 96 c6 ff 90 0f 0b 90 e9 1c fc ff ff e8 e2 96 c6 ff 48
RSP: 0018:ffffc90003787840 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888022ed4980 RSI: ffffffff81f84f98 RDI: ffff888022ed4e04
RBP: 0000000000112cc0 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff9088b3d7 R11: 0000000000000003 R12: 0000000000000004
R13: ffffea0000a9f6c0 R14: 0000000000000000 R15: 0000000000000000
FS:  000055555e234500(0000) GS:ffff8880d68f5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000564764794240 CR3: 00000000358e6000 CR4: 0000000000352ef0

final repro crashed as (corrupted=false):
 process_scheduled_works kernel/workqueue.c:3340 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3421
 kthread+0x3c5/0x780 kernel/kthread.c:463
 ret_from_fork+0x983/0xb10 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
------------[ cut here ]------------
kernel BUG at mm/filemap.c:858!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 3 UID: 0 PID: 6205 Comm: syz.0.114 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:__filemap_add_folio+0xf29/0x11b0 mm/filemap.c:858
Code: 97 c6 ff 48 c7 c6 c0 ec 99 8b 4c 89 ef e8 0f 74 11 00 90 0f 0b e8 07 97 c6 ff 48 c7 c6 20 ed 99 8b 4c 89 ef e8 f8 73 11 00 90 <0f> 0b e8 f0 96 c6 ff 90 0f 0b 90 e9 1c fc ff ff e8 e2 96 c6 ff 48
RSP: 0018:ffffc90003787840 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888022ed4980 RSI: ffffffff81f84f98 RDI: ffff888022ed4e04
RBP: 0000000000112cc0 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff9088b3d7 R11: 0000000000000003 R12: 0000000000000004
R13: ffffea0000a9f6c0 R14: 0000000000000000 R15: 0000000000000000
FS:  000055555e234500(0000) GS:ffff8880d6bf5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000100 CR3: 00000000358e6000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 filemap_add_folio+0x19a/0x610 mm/filemap.c:966
 ra_alloc_folio mm/readahead.c:453 [inline]
 page_cache_ra_order+0x637/0xed0 mm/readahead.c:512
 do_sync_mmap_readahead mm/filemap.c:3400 [inline]
 filemap_fault+0x16ac/0x29d0 mm/filemap.c:3549
 __do_fault+0x10d/0x490 mm/memory.c:5320
 do_shared_fault mm/memory.c:5819 [inline]
 do_fault+0x302/0x1ad0 mm/memory.c:5893
 do_pte_missing mm/memory.c:4401 [inline]
 handle_pte_fault mm/memory.c:6273 [inline]
 __handle_mm_fault+0x1919/0x2bb0 mm/memory.c:6411
 handle_mm_fault+0x3fe/0xad0 mm/memory.c:6580
 do_user_addr_fault+0x60c/0x1370 arch/x86/mm/fault.c:1336
 handle_page_fault arch/x86/mm/fault.c:1476 [inline]
 exc_page_fault+0x64/0xc0 arch/x86/mm/fault.c:1532
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618
RIP: 0033:0x7fd47c6555f3
Code: 8b 44 24 08 48 85 c0 74 17 48 8b 54 24 18 48 0f ca 48 89 54 24 18 48 83 f8 01 0f 85 7a 02 00 00 48 8b 44 24 10 48 8b 54 24 18 <48> 89 10 e9 d2 fd ff ff 48 8b 44 24 10 0f b7 10 48 8b 44 24 08 48
RSP: 002b:00007fffd62755f0 EFLAGS: 00010246
RAX: 0000200000000100 RBX: 0000000000000008 RCX: 0000000000000000
RDX: 0000000000010000 RSI: 0000000000000000 RDI: 000055555e2343c8
RBP: 00007fffd62756f8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000002 R12: 00007fd47c9e5fac
R13: 00007fd47c9e5fa0 R14: fffffffffffffffe R15: 0000000000000006
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0xf29/0x11b0 mm/filemap.c:858
Code: 97 c6 ff 48 c7 c6 c0 ec 99 8b 4c 89 ef e8 0f 74 11 00 90 0f 0b e8 07 97 c6 ff 48 c7 c6 20 ed 99 8b 4c 89 ef e8 f8 73 11 00 90 <0f> 0b e8 f0 96 c6 ff 90 0f 0b 90 e9 1c fc ff ff e8 e2 96 c6 ff 48
RSP: 0018:ffffc90003787840 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff888022ed4980 RSI: ffffffff81f84f98 RDI: ffff888022ed4e04
RBP: 0000000000112cc0 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff9088b3d7 R11: 0000000000000003 R12: 0000000000000004
R13: ffffea0000a9f6c0 R14: 0000000000000000 R15: 0000000000000000
FS:  000055555e234500(0000) GS:ffff8880d68f5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000564764794240 CR3: 00000000358e6000 CR4: 0000000000352ef0