Extracting prog: 1m5.609291308s
Minimizing prog: 14m27.082765598s
Simplifying prog options: 2m12.879819432s
Extracting C: 38.054347019s
Simplifying C: 0s


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}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile-pipe-fsopen-fsconfig$FSCONFIG_SET_FD-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int
detailed listing:
executing program 0:
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r0, r1, 0x0, 0x4)
pipe(&(0x7f0000000140)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
r3 = fsopen(&(0x7f0000000080)='autofs\x00', 0x0)
fsconfig$FSCONFIG_SET_FD(r3, 0x5, &(0x7f00000005c0)='fd', 0x0, r2)
fsconfig$FSCONFIG_CMD_CREATE(r3, 0x6, 0x0, 0x0, 0x0)
r4 = fsmount(r3, 0x0, 0x2)
fchdir(r4)
r5 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r5, r5)
setpgid(0x0, r5)
r6 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/power/resume', 0xa82, 0x0)
write$cgroup_int(r6, &(0x7f0000000040)=0x4000921, 0x12)

program crashed: possible deadlock in anon_pipe_prefill_and_lock
single: successfully extracted reproducer
found reproducer with 14 syscalls
minimizing guilty program
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile-pipe-fsopen-fsconfig$FSCONFIG_SET_FD-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-syz_clone-setpgid-setpgid-openat$sysfs
detailed listing:
executing program 0:
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r0, r1, 0x0, 0x4)
pipe(&(0x7f0000000140)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
r3 = fsopen(&(0x7f0000000080)='autofs\x00', 0x0)
fsconfig$FSCONFIG_SET_FD(r3, 0x5, &(0x7f00000005c0)='fd', 0x0, r2)
fsconfig$FSCONFIG_CMD_CREATE(r3, 0x6, 0x0, 0x0, 0x0)
r4 = fsmount(r3, 0x0, 0x2)
fchdir(r4)
r5 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r5, r5)
setpgid(0x0, r5)
openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/power/resume', 0xa82, 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile-pipe-fsopen-fsconfig$FSCONFIG_SET_FD-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-syz_clone-setpgid-setpgid-write$cgroup_int
detailed listing:
executing program 0:
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r0, r1, 0x0, 0x4)
pipe(&(0x7f0000000140)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
r3 = fsopen(&(0x7f0000000080)='autofs\x00', 0x0)
fsconfig$FSCONFIG_SET_FD(r3, 0x5, &(0x7f00000005c0)='fd', 0x0, r2)
fsconfig$FSCONFIG_CMD_CREATE(r3, 0x6, 0x0, 0x0, 0x0)
r4 = fsmount(r3, 0x0, 0x2)
fchdir(r4)
r5 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r5, r5)
setpgid(0x0, r5)
write$cgroup_int(0xffffffffffffffff, &(0x7f0000000040)=0x4000921, 0x12)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile-pipe-fsopen-fsconfig$FSCONFIG_SET_FD-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-syz_clone-setpgid-openat$sysfs-write$cgroup_int
detailed listing:
executing program 0:
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r0, r1, 0x0, 0x4)
pipe(&(0x7f0000000140)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
r3 = fsopen(&(0x7f0000000080)='autofs\x00', 0x0)
fsconfig$FSCONFIG_SET_FD(r3, 0x5, &(0x7f00000005c0)='fd', 0x0, r2)
fsconfig$FSCONFIG_CMD_CREATE(r3, 0x6, 0x0, 0x0, 0x0)
r4 = fsmount(r3, 0x0, 0x2)
fchdir(r4)
r5 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r5, r5)
r6 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/power/resume', 0xa82, 0x0)
write$cgroup_int(r6, &(0x7f0000000040)=0x4000921, 0x12)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile-pipe-fsopen-fsconfig$FSCONFIG_SET_FD-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-syz_clone-setpgid-openat$sysfs-write$cgroup_int
detailed listing:
executing program 0:
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r0, r1, 0x0, 0x4)
pipe(&(0x7f0000000140)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
r3 = fsopen(&(0x7f0000000080)='autofs\x00', 0x0)
fsconfig$FSCONFIG_SET_FD(r3, 0x5, &(0x7f00000005c0)='fd', 0x0, r2)
fsconfig$FSCONFIG_CMD_CREATE(r3, 0x6, 0x0, 0x0, 0x0)
r4 = fsmount(r3, 0x0, 0x2)
fchdir(r4)
r5 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(0x0, r5)
r6 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/power/resume', 0xa82, 0x0)
write$cgroup_int(r6, &(0x7f0000000040)=0x4000921, 0x12)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile-pipe-fsopen-fsconfig$FSCONFIG_SET_FD-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-setpgid-setpgid-openat$sysfs-write$cgroup_int
detailed listing:
executing program 0:
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r0, r1, 0x0, 0x4)
pipe(&(0x7f0000000140)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
r3 = fsopen(&(0x7f0000000080)='autofs\x00', 0x0)
fsconfig$FSCONFIG_SET_FD(r3, 0x5, &(0x7f00000005c0)='fd', 0x0, r2)
fsconfig$FSCONFIG_CMD_CREATE(r3, 0x6, 0x0, 0x0, 0x0)
r4 = fsmount(r3, 0x0, 0x2)
fchdir(r4)
setpgid(0x0, 0x0)
setpgid(0x0, 0x0)
r5 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/power/resume', 0xa82, 0x0)
write$cgroup_int(r5, &(0x7f0000000040)=0x4000921, 0x12)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile-pipe-fsopen-fsconfig$FSCONFIG_SET_FD-fsconfig$FSCONFIG_CMD_CREATE-fsmount-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int
detailed listing:
executing program 0:
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r0, r1, 0x0, 0x4)
pipe(&(0x7f0000000140)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
r3 = fsopen(&(0x7f0000000080)='autofs\x00', 0x0)
fsconfig$FSCONFIG_SET_FD(r3, 0x5, &(0x7f00000005c0)='fd', 0x0, r2)
fsconfig$FSCONFIG_CMD_CREATE(r3, 0x6, 0x0, 0x0, 0x0)
fsmount(r3, 0x0, 0x2)
r4 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r4, r4)
setpgid(0x0, r4)
r5 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/power/resume', 0xa82, 0x0)
write$cgroup_int(r5, &(0x7f0000000040)=0x4000921, 0x12)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile-pipe-fsopen-fsconfig$FSCONFIG_SET_FD-fsconfig$FSCONFIG_CMD_CREATE-fchdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int
detailed listing:
executing program 0:
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r0, r1, 0x0, 0x4)
pipe(&(0x7f0000000140)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
r3 = fsopen(&(0x7f0000000080)='autofs\x00', 0x0)
fsconfig$FSCONFIG_SET_FD(r3, 0x5, &(0x7f00000005c0)='fd', 0x0, r2)
fsconfig$FSCONFIG_CMD_CREATE(r3, 0x6, 0x0, 0x0, 0x0)
fchdir(0xffffffffffffffff)
r4 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r4, r4)
setpgid(0x0, r4)
r5 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/power/resume', 0xa82, 0x0)
write$cgroup_int(r5, &(0x7f0000000040)=0x4000921, 0x12)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile-pipe-fsopen-fsconfig$FSCONFIG_SET_FD-fsmount-fchdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int
detailed listing:
executing program 0:
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r0, r1, 0x0, 0x4)
pipe(&(0x7f0000000140)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
r3 = fsopen(&(0x7f0000000080)='autofs\x00', 0x0)
fsconfig$FSCONFIG_SET_FD(r3, 0x5, &(0x7f00000005c0)='fd', 0x0, r2)
r4 = fsmount(r3, 0x0, 0x2)
fchdir(r4)
r5 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r5, r5)
setpgid(0x0, r5)
r6 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/power/resume', 0xa82, 0x0)
write$cgroup_int(r6, &(0x7f0000000040)=0x4000921, 0x12)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile-pipe-fsopen-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int
detailed listing:
executing program 0:
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r0, r1, 0x0, 0x4)
pipe(&(0x7f0000000140))
r2 = fsopen(&(0x7f0000000080)='autofs\x00', 0x0)
fsconfig$FSCONFIG_CMD_CREATE(r2, 0x6, 0x0, 0x0, 0x0)
r3 = fsmount(r2, 0x0, 0x2)
fchdir(r3)
r4 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r4, r4)
setpgid(0x0, r4)
r5 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/power/resume', 0xa82, 0x0)
write$cgroup_int(r5, &(0x7f0000000040)=0x4000921, 0x12)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile-pipe-fsconfig$FSCONFIG_SET_FD-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int
detailed listing:
executing program 0:
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r0, r1, 0x0, 0x4)
pipe(&(0x7f0000000140)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
fsconfig$FSCONFIG_SET_FD(0xffffffffffffffff, 0x5, &(0x7f00000005c0)='fd', 0x0, r2)
fsconfig$FSCONFIG_CMD_CREATE(0xffffffffffffffff, 0x6, 0x0, 0x0, 0x0)
r3 = fsmount(0xffffffffffffffff, 0x0, 0x2)
fchdir(r3)
r4 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r4, r4)
setpgid(0x0, r4)
r5 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/power/resume', 0xa82, 0x0)
write$cgroup_int(r5, &(0x7f0000000040)=0x4000921, 0x12)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile-fsopen-fsconfig$FSCONFIG_SET_FD-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int
detailed listing:
executing program 0:
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r0, r1, 0x0, 0x4)
r2 = fsopen(&(0x7f0000000080)='autofs\x00', 0x0)
fsconfig$FSCONFIG_SET_FD(r2, 0x5, &(0x7f00000005c0)='fd', 0x0, 0xffffffffffffffff)
fsconfig$FSCONFIG_CMD_CREATE(r2, 0x6, 0x0, 0x0, 0x0)
r3 = fsmount(r2, 0x0, 0x2)
fchdir(r3)
r4 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r4, r4)
setpgid(0x0, r4)
r5 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/power/resume', 0xa82, 0x0)
write$cgroup_int(r5, &(0x7f0000000040)=0x4000921, 0x12)

program crashed: lost connection to test machine
ignore low priority crash: lost connection to test machine
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}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-pipe-fsopen-fsconfig$FSCONFIG_SET_FD-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int
detailed listing:
executing program 0:
seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
pipe(&(0x7f0000000140)={0xffffffffffffffff, <r0=>0xffffffffffffffff})
r1 = fsopen(&(0x7f0000000080)='autofs\x00', 0x0)
fsconfig$FSCONFIG_SET_FD(r1, 0x5, &(0x7f00000005c0)='fd', 0x0, r0)
fsconfig$FSCONFIG_CMD_CREATE(r1, 0x6, 0x0, 0x0, 0x0)
r2 = fsmount(r1, 0x0, 0x2)
fchdir(r2)
r3 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r3, r3)
setpgid(0x0, r3)
r4 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/power/resume', 0xa82, 0x0)
write$cgroup_int(r4, &(0x7f0000000040)=0x4000921, 0x12)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-sendfile-pipe-fsopen-fsconfig$FSCONFIG_SET_FD-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int
detailed listing:
executing program 0:
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
sendfile(r0, 0xffffffffffffffff, 0x0, 0x4)
pipe(&(0x7f0000000140)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
r2 = fsopen(&(0x7f0000000080)='autofs\x00', 0x0)
fsconfig$FSCONFIG_SET_FD(r2, 0x5, &(0x7f00000005c0)='fd', 0x0, r1)
fsconfig$FSCONFIG_CMD_CREATE(r2, 0x6, 0x0, 0x0, 0x0)
r3 = fsmount(r2, 0x0, 0x2)
fchdir(r3)
r4 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r4, r4)
setpgid(0x0, r4)
r5 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/power/resume', 0xa82, 0x0)
write$cgroup_int(r5, &(0x7f0000000040)=0x4000921, 0x12)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$sysfs-sendfile-pipe-fsopen-fsconfig$FSCONFIG_SET_FD-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int
detailed listing:
executing program 0:
r0 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(0xffffffffffffffff, r0, 0x0, 0x4)
pipe(&(0x7f0000000140)={0xffffffffffffffff, <r1=>0xffffffffffffffff})
r2 = fsopen(&(0x7f0000000080)='autofs\x00', 0x0)
fsconfig$FSCONFIG_SET_FD(r2, 0x5, &(0x7f00000005c0)='fd', 0x0, r1)
fsconfig$FSCONFIG_CMD_CREATE(r2, 0x6, 0x0, 0x0, 0x0)
r3 = fsmount(r2, 0x0, 0x2)
fchdir(r3)
r4 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r4, r4)
setpgid(0x0, r4)
r5 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/power/resume', 0xa82, 0x0)
write$cgroup_int(r5, &(0x7f0000000040)=0x4000921, 0x12)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile-pipe-fsopen-fsconfig$FSCONFIG_SET_FD-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int
detailed listing:
executing program 0:
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, 0x0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r0, r1, 0x0, 0x4)
pipe(&(0x7f0000000140)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
r3 = fsopen(&(0x7f0000000080)='autofs\x00', 0x0)
fsconfig$FSCONFIG_SET_FD(r3, 0x5, &(0x7f00000005c0)='fd', 0x0, r2)
fsconfig$FSCONFIG_CMD_CREATE(r3, 0x6, 0x0, 0x0, 0x0)
r4 = fsmount(r3, 0x0, 0x2)
fchdir(r4)
r5 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r5, r5)
setpgid(0x0, r5)
r6 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/power/resume', 0xa82, 0x0)
write$cgroup_int(r6, &(0x7f0000000040)=0x4000921, 0x12)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile-pipe-fsopen-fsconfig$FSCONFIG_SET_FD-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int
detailed listing:
executing program 0:
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x0, 0x0})
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r0, r1, 0x0, 0x4)
pipe(&(0x7f0000000140)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
r3 = fsopen(&(0x7f0000000080)='autofs\x00', 0x0)
fsconfig$FSCONFIG_SET_FD(r3, 0x5, &(0x7f00000005c0)='fd', 0x0, r2)
fsconfig$FSCONFIG_CMD_CREATE(r3, 0x6, 0x0, 0x0, 0x0)
r4 = fsmount(r3, 0x0, 0x2)
fchdir(r4)
r5 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r5, r5)
setpgid(0x0, r5)
r6 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/power/resume', 0xa82, 0x0)
write$cgroup_int(r6, &(0x7f0000000040)=0x4000921, 0x12)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile-pipe-fsopen-fsconfig$FSCONFIG_SET_FD-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int
detailed listing:
executing program 0:
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r1 = openat$sysfs(0xffffffffffffff9c, 0x0, 0x141a82, 0x0)
sendfile(r0, r1, 0x0, 0x4)
pipe(&(0x7f0000000140)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
r3 = fsopen(&(0x7f0000000080)='autofs\x00', 0x0)
fsconfig$FSCONFIG_SET_FD(r3, 0x5, &(0x7f00000005c0)='fd', 0x0, r2)
fsconfig$FSCONFIG_CMD_CREATE(r3, 0x6, 0x0, 0x0, 0x0)
r4 = fsmount(r3, 0x0, 0x2)
fchdir(r4)
r5 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r5, r5)
setpgid(0x0, r5)
r6 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/power/resume', 0xa82, 0x0)
write$cgroup_int(r6, &(0x7f0000000040)=0x4000921, 0x12)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile-pipe-fsopen-fsconfig$FSCONFIG_SET_FD-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int
detailed listing:
executing program 0:
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r0, r1, 0x0, 0x4)
pipe(0x0)
r2 = fsopen(&(0x7f0000000080)='autofs\x00', 0x0)
fsconfig$FSCONFIG_SET_FD(r2, 0x5, &(0x7f00000005c0)='fd', 0x0, 0xffffffffffffffff)
fsconfig$FSCONFIG_CMD_CREATE(r2, 0x6, 0x0, 0x0, 0x0)
r3 = fsmount(r2, 0x0, 0x2)
fchdir(r3)
r4 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r4, r4)
setpgid(0x0, r4)
r5 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/power/resume', 0xa82, 0x0)
write$cgroup_int(r5, &(0x7f0000000040)=0x4000921, 0x12)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile-pipe-fsopen-fsconfig$FSCONFIG_SET_FD-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int
detailed listing:
executing program 0:
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r0, r1, 0x0, 0x4)
pipe(&(0x7f0000000140)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
r3 = fsopen(0x0, 0x0)
fsconfig$FSCONFIG_SET_FD(r3, 0x5, &(0x7f00000005c0)='fd', 0x0, r2)
fsconfig$FSCONFIG_CMD_CREATE(r3, 0x6, 0x0, 0x0, 0x0)
r4 = fsmount(r3, 0x0, 0x2)
fchdir(r4)
r5 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r5, r5)
setpgid(0x0, r5)
r6 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/power/resume', 0xa82, 0x0)
write$cgroup_int(r6, &(0x7f0000000040)=0x4000921, 0x12)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile-pipe-fsopen-fsconfig$FSCONFIG_SET_FD-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int
detailed listing:
executing program 0:
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r0, r1, 0x0, 0x4)
pipe(&(0x7f0000000140)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
r3 = fsopen(&(0x7f0000000080)='autofs\x00', 0x0)
fsconfig$FSCONFIG_SET_FD(r3, 0x5, 0x0, 0x0, r2)
fsconfig$FSCONFIG_CMD_CREATE(r3, 0x6, 0x0, 0x0, 0x0)
r4 = fsmount(r3, 0x0, 0x2)
fchdir(r4)
r5 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r5, r5)
setpgid(0x0, r5)
r6 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/power/resume', 0xa82, 0x0)
write$cgroup_int(r6, &(0x7f0000000040)=0x4000921, 0x12)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile-pipe-fsopen-fsconfig$FSCONFIG_SET_FD-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int
detailed listing:
executing program 0:
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r0, r1, 0x0, 0x4)
pipe(&(0x7f0000000140)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
r3 = fsopen(&(0x7f0000000080)='autofs\x00', 0x0)
fsconfig$FSCONFIG_SET_FD(r3, 0x5, &(0x7f00000005c0)='fd', 0x0, r2)
fsconfig$FSCONFIG_CMD_CREATE(r3, 0x6, 0x0, 0x0, 0x0)
r4 = fsmount(r3, 0x0, 0x2)
fchdir(r4)
r5 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r5, r5)
setpgid(0x0, r5)
r6 = openat$sysfs(0xffffffffffffff9c, 0x0, 0xa82, 0x0)
write$cgroup_int(r6, &(0x7f0000000040)=0x4000921, 0x12)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile-pipe-fsopen-fsconfig$FSCONFIG_SET_FD-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int
detailed listing:
executing program 0:
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r0, r1, 0x0, 0x4)
pipe(&(0x7f0000000140)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
r3 = fsopen(&(0x7f0000000080)='autofs\x00', 0x0)
fsconfig$FSCONFIG_SET_FD(r3, 0x5, &(0x7f00000005c0)='fd', 0x0, r2)
fsconfig$FSCONFIG_CMD_CREATE(r3, 0x6, 0x0, 0x0, 0x0)
r4 = fsmount(r3, 0x0, 0x2)
fchdir(r4)
r5 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r5, r5)
setpgid(0x0, r5)
r6 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/power/resume', 0xa82, 0x0)
write$cgroup_int(r6, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile-pipe-fsopen-fsconfig$FSCONFIG_SET_FD-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int
program did not crash
simplifying guilty program options
testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile-pipe-fsopen-fsconfig$FSCONFIG_SET_FD-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int
detailed listing:
executing program 0:
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r0, r1, 0x0, 0x4)
pipe(&(0x7f0000000140)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
r3 = fsopen(&(0x7f0000000080)='autofs\x00', 0x0)
fsconfig$FSCONFIG_SET_FD(r3, 0x5, &(0x7f00000005c0)='fd', 0x0, r2)
fsconfig$FSCONFIG_CMD_CREATE(r3, 0x6, 0x0, 0x0, 0x0)
r4 = fsmount(r3, 0x0, 0x2)
fchdir(r4)
r5 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r5, r5)
setpgid(0x0, r5)
r6 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/power/resume', 0xa82, 0x0)
write$cgroup_int(r6, &(0x7f0000000040)=0x4000921, 0x12)

program crashed: possible deadlock in anon_pipe_prefill_and_lock
extracting C reproducer
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile-pipe-fsopen-fsconfig$FSCONFIG_SET_FD-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int
program did not crash
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile-pipe-fsopen-fsconfig$FSCONFIG_SET_FD-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int
detailed listing:
executing program 0:
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r0, r1, 0x0, 0x4)
pipe(&(0x7f0000000140)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
r3 = fsopen(&(0x7f0000000080)='autofs\x00', 0x0)
fsconfig$FSCONFIG_SET_FD(r3, 0x5, &(0x7f00000005c0)='fd', 0x0, r2)
fsconfig$FSCONFIG_CMD_CREATE(r3, 0x6, 0x0, 0x0, 0x0)
r4 = fsmount(r3, 0x0, 0x2)
fchdir(r4)
r5 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r5, r5)
setpgid(0x0, r5)
r6 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/power/resume', 0xa82, 0x0)
write$cgroup_int(r6, &(0x7f0000000040)=0x4000921, 0x12)

program crashed: possible deadlock in anon_pipe_prefill_and_lock
extracting C reproducer
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile-pipe-fsopen-fsconfig$FSCONFIG_SET_FD-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int
program did not crash
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile-pipe-fsopen-fsconfig$FSCONFIG_SET_FD-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int
detailed listing:
executing program 0:
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r0, r1, 0x0, 0x4)
pipe(&(0x7f0000000140)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
r3 = fsopen(&(0x7f0000000080)='autofs\x00', 0x0)
fsconfig$FSCONFIG_SET_FD(r3, 0x5, &(0x7f00000005c0)='fd', 0x0, r2)
fsconfig$FSCONFIG_CMD_CREATE(r3, 0x6, 0x0, 0x0, 0x0)
r4 = fsmount(r3, 0x0, 0x2)
fchdir(r4)
r5 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r5, r5)
setpgid(0x0, r5)
r6 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/power/resume', 0xa82, 0x0)
write$cgroup_int(r6, &(0x7f0000000040)=0x4000921, 0x12)

program crashed: possible deadlock in anon_pipe_prefill_and_lock
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile-pipe-fsopen-fsconfig$FSCONFIG_SET_FD-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int
detailed listing:
executing program 0:
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r0, r1, 0x0, 0x4)
pipe(&(0x7f0000000140)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
r3 = fsopen(&(0x7f0000000080)='autofs\x00', 0x0)
fsconfig$FSCONFIG_SET_FD(r3, 0x5, &(0x7f00000005c0)='fd', 0x0, r2)
fsconfig$FSCONFIG_CMD_CREATE(r3, 0x6, 0x0, 0x0, 0x0)
r4 = fsmount(r3, 0x0, 0x2)
fchdir(r4)
r5 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r5, r5)
setpgid(0x0, r5)
r6 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/power/resume', 0xa82, 0x0)
write$cgroup_int(r6, &(0x7f0000000040)=0x4000921, 0x12)

program crashed: possible deadlock in anon_pipe_prefill_and_lock
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile-pipe-fsopen-fsconfig$FSCONFIG_SET_FD-fsconfig$FSCONFIG_CMD_CREATE-fsmount-fchdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int
detailed listing:
executing program 0:
r0 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r0, r1, 0x0, 0x4)
pipe(&(0x7f0000000140)={0xffffffffffffffff, <r2=>0xffffffffffffffff})
r3 = fsopen(&(0x7f0000000080)='autofs\x00', 0x0)
fsconfig$FSCONFIG_SET_FD(r3, 0x5, &(0x7f00000005c0)='fd', 0x0, r2)
fsconfig$FSCONFIG_CMD_CREATE(r3, 0x6, 0x0, 0x0, 0x0)
r4 = fsmount(r3, 0x0, 0x2)
fchdir(r4)
r5 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r5, r5)
setpgid(0x0, r5)
r6 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000002c0)='/sys/power/resume', 0xa82, 0x0)
write$cgroup_int(r6, &(0x7f0000000040)=0x4000921, 0x12)

program crashed: possible deadlock in anon_pipe_prefill_and_lock
validation run: crashed=true
reproducing took 19m54.910872962s
repro crashed as (corrupted=false):
======================================================
WARNING: possible circular locking dependency detected
syzkaller #0 Not tainted
------------------------------------------------------
syz.0.17/5920 is trying to acquire lock:
ffff88804bf4b460 (&pipe->mutex){+.+.}-{4:4}, at: anon_pipe_prefill_and_lock+0x16c/0x580 fs/pipe.c:165

but task is already holding lock:
ffff888014973938 (&sbi->pipe_mutex){+.+.}-{4:4}, at: autofs_write fs/autofs/waitq.c:55 [inline]
ffff888014973938 (&sbi->pipe_mutex){+.+.}-{4:4}, at: autofs_notify_daemon+0x4f8/0xd90 fs/autofs/waitq.c:164

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #3 (&sbi->pipe_mutex){+.+.}-{4:4}:
       lock_acquire kernel/locking/lockdep.c:5942 [inline]
       lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5899
       __mutex_lock_common kernel/locking/mutex.c:646 [inline]
       __mutex_lock+0x1a4/0x1bd0 kernel/locking/mutex.c:821
       autofs_write fs/autofs/waitq.c:55 [inline]
       autofs_notify_daemon+0x4f8/0xd90 fs/autofs/waitq.c:164
       autofs_wait+0x10fd/0x1b50 fs/autofs/waitq.c:426
       autofs_mount_wait+0x132/0x3b0 fs/autofs/root.c:256
       autofs_d_automount+0x490/0x950 fs/autofs/root.c:410
       follow_automount fs/namei.c:1565 [inline]
       __traverse_mounts+0x1b9/0x8a0 fs/namei.c:1618
       traverse_mounts fs/namei.c:1647 [inline]
       handle_mounts fs/namei.c:1749 [inline]
       step_into_slowpath+0xcb4/0x1150 fs/namei.c:2131
       step_into fs/namei.c:2181 [inline]
       walk_component fs/namei.c:2317 [inline]
       lookup_last fs/namei.c:2818 [inline]
       path_lookupat+0x58b/0xc40 fs/namei.c:2842
       filename_lookup+0x202/0x590 fs/namei.c:2871
       kern_path+0x37/0x50 fs/namei.c:3065
       lookup_bdev+0xd8/0x2a0 block/bdev.c:1268
       resume_store+0x1d6/0x460 kernel/power/hibernate.c:1280
       kobj_attr_store+0x58/0x80 lib/kobject.c:842
       sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:145
       kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:345
       new_sync_write fs/read_write.c:595 [inline]
       vfs_write+0x6af/0x1050 fs/read_write.c:687
       ksys_write+0x12a/0x250 fs/read_write.c:739
       do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline]
       __do_fast_syscall_32+0x13a/0x8b0 arch/x86/entry/syscall_32.c:291
       do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:316
       entry_SYSENTER_compat_after_hwframe+0x84/0x8e

-> #2 (&of->mutex){+.+.}-{4:4}:
       lock_acquire kernel/locking/lockdep.c:5942 [inline]
       lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5899
       __mutex_lock_common kernel/locking/mutex.c:646 [inline]
       __mutex_lock+0x1a4/0x1bd0 kernel/locking/mutex.c:821
       kernfs_seq_start+0x4f/0x2a0 fs/kernfs/file.c:165
       seq_read_iter+0x2c1/0x1270 fs/seq_file.c:226
       kernfs_fop_read_iter+0x46c/0x610 fs/kernfs/file.c:290
       copy_splice_read+0x4ba/0xbb0 fs/splice.c:362
       do_splice_read fs/splice.c:980 [inline]
       do_splice_read+0x285/0x370 fs/splice.c:954
       splice_file_to_pipe+0x82/0x120 fs/splice.c:1290
       do_sendfile+0x366/0xe20 fs/read_write.c:1377
       __do_compat_sys_sendfile fs/read_write.c:1453 [inline]
       __se_compat_sys_sendfile fs/read_write.c:1436 [inline]
       __ia32_compat_sys_sendfile+0x1e5/0x220 fs/read_write.c:1436
       do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline]
       __do_fast_syscall_32+0x13a/0x8b0 arch/x86/entry/syscall_32.c:291
       do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:316
       entry_SYSENTER_compat_after_hwframe+0x84/0x8e

-> #1 (&p->lock){+.+.}-{4:4}:
       lock_acquire kernel/locking/lockdep.c:5942 [inline]
       lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5899
       __mutex_lock_common kernel/locking/mutex.c:646 [inline]
       __mutex_lock+0x1a4/0x1bd0 kernel/locking/mutex.c:821
       seq_read_iter+0xe1/0x1270 fs/seq_file.c:183
       kernfs_fop_read_iter+0x46c/0x610 fs/kernfs/file.c:290
       copy_splice_read+0x4ba/0xbb0 fs/splice.c:362
       do_splice_read fs/splice.c:980 [inline]
       do_splice_read+0x285/0x370 fs/splice.c:954
       splice_file_to_pipe+0x82/0x120 fs/splice.c:1290
       do_sendfile+0x366/0xe20 fs/read_write.c:1377
       __do_compat_sys_sendfile fs/read_write.c:1453 [inline]
       __se_compat_sys_sendfile fs/read_write.c:1436 [inline]
       __ia32_compat_sys_sendfile+0x1e5/0x220 fs/read_write.c:1436
       do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline]
       __do_fast_syscall_32+0x13a/0x8b0 arch/x86/entry/syscall_32.c:291
       do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:316
       entry_SYSENTER_compat_after_hwframe+0x84/0x8e

-> #0 (&pipe->mutex){+.+.}-{4:4}:
       check_prev_add+0xeb/0xe60 kernel/locking/lockdep.c:3209
       check_prevs_add kernel/locking/lockdep.c:3328 [inline]
       validate_chain kernel/locking/lockdep.c:3952 [inline]
       __lock_acquire+0x1528/0x1f40 kernel/locking/lockdep.c:5288
       lock_acquire kernel/locking/lockdep.c:5942 [inline]
       lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5899
       __mutex_lock_common kernel/locking/mutex.c:646 [inline]
       __mutex_lock+0x1a4/0x1bd0 kernel/locking/mutex.c:821
       anon_pipe_prefill_and_lock+0x16c/0x580 fs/pipe.c:165
       anon_pipe_write+0x164/0x1b50 fs/pipe.c:534
       __kernel_write_iter+0x6bb/0x930 fs/read_write.c:621
       __kernel_write+0xf6/0x140 fs/read_write.c:641
       autofs_write fs/autofs/waitq.c:57 [inline]
       autofs_notify_daemon+0x50d/0xd90 fs/autofs/waitq.c:164
       autofs_wait+0x10fd/0x1b50 fs/autofs/waitq.c:426
       autofs_mount_wait+0x132/0x3b0 fs/autofs/root.c:256
       autofs_d_automount+0x490/0x950 fs/autofs/root.c:410
       follow_automount fs/namei.c:1565 [inline]
       __traverse_mounts+0x1b9/0x8a0 fs/namei.c:1618
       traverse_mounts fs/namei.c:1647 [inline]
       handle_mounts fs/namei.c:1749 [inline]
       step_into_slowpath+0xcb4/0x1150 fs/namei.c:2131
       step_into fs/namei.c:2181 [inline]
       walk_component fs/namei.c:2317 [inline]
       lookup_last fs/namei.c:2818 [inline]
       path_lookupat+0x58b/0xc40 fs/namei.c:2842
       filename_lookup+0x202/0x590 fs/namei.c:2871
       kern_path+0x37/0x50 fs/namei.c:3065
       lookup_bdev+0xd8/0x2a0 block/bdev.c:1268
       resume_store+0x1d6/0x460 kernel/power/hibernate.c:1280
       kobj_attr_store+0x58/0x80 lib/kobject.c:842
       sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:145
       kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:345
       new_sync_write fs/read_write.c:595 [inline]
       vfs_write+0x6af/0x1050 fs/read_write.c:687
       ksys_write+0x12a/0x250 fs/read_write.c:739
       do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline]
       __do_fast_syscall_32+0x13a/0x8b0 arch/x86/entry/syscall_32.c:291
       do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:316
       entry_SYSENTER_compat_after_hwframe+0x84/0x8e

other info that might help us debug this:

Chain exists of:
  &pipe->mutex --> &of->mutex --> &sbi->pipe_mutex

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(&sbi->pipe_mutex);
                               lock(&of->mutex);
                               lock(&sbi->pipe_mutex);
  lock(&pipe->mutex);

 *** DEADLOCK ***

locks held by syz.0.17/5920: 4, last CPU#0:
 #0: ffff88802873e460 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739
 #1: ffff8880153b9480 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x2c2/0x5f0 fs/kernfs/file.c:336
 #2: ffff88801eb03d28 (kn->active#67){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:73 [inline]
 #2: ffff88801eb03d28 (kn->active#67){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x332/0x5f0 fs/kernfs/file.c:337
 #3: ffff888014973938 (&sbi->pipe_mutex){+.+.}-{4:4}, at: autofs_write fs/autofs/waitq.c:55 [inline]
 #3: ffff888014973938 (&sbi->pipe_mutex){+.+.}-{4:4}, at: autofs_notify_daemon+0x4f8/0xd90 fs/autofs/waitq.c:164

stack backtrace:
CPU: 0 UID: 0 PID: 5920 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 print_circular_bug.cold+0x178/0x1be kernel/locking/lockdep.c:2087
 check_noncircular+0x146/0x160 kernel/locking/lockdep.c:2219
 check_prev_add+0xeb/0xe60 kernel/locking/lockdep.c:3209
 check_prevs_add kernel/locking/lockdep.c:3328 [inline]
 validate_chain kernel/locking/lockdep.c:3952 [inline]
 __lock_acquire+0x1528/0x1f40 kernel/locking/lockdep.c:5288
 lock_acquire kernel/locking/lockdep.c:5942 [inline]
 lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5899
 __mutex_lock_common kernel/locking/mutex.c:646 [inline]
 __mutex_lock+0x1a4/0x1bd0 kernel/locking/mutex.c:821
 anon_pipe_prefill_and_lock+0x16c/0x580 fs/pipe.c:165
 anon_pipe_write+0x164/0x1b50 fs/pipe.c:534
 __kernel_write_iter+0x6bb/0x930 fs/read_write.c:621
 __kernel_write+0xf6/0x140 fs/read_write.c:641
 autofs_write fs/autofs/waitq.c:57 [inline]
 autofs_notify_daemon+0x50d/0xd90 fs/autofs/waitq.c:164
 autofs_wait+0x10fd/0x1b50 fs/autofs/waitq.c:426
 autofs_mount_wait+0x132/0x3b0 fs/autofs/root.c:256
 autofs_d_automount+0x490/0x950 fs/autofs/root.c:410
 follow_automount fs/namei.c:1565 [inline]
 __traverse_mounts+0x1b9/0x8a0 fs/namei.c:1618
 traverse_mounts fs/namei.c:1647 [inline]
 handle_mounts fs/namei.c:1749 [inline]
 step_into_slowpath+0xcb4/0x1150 fs/namei.c:2131
 step_into fs/namei.c:2181 [inline]
 walk_component fs/namei.c:2317 [inline]
 lookup_last fs/namei.c:2818 [inline]
 path_lookupat+0x58b/0xc40 fs/namei.c:2842
 filename_lookup+0x202/0x590 fs/namei.c:2871
 kern_path+0x37/0x50 fs/namei.c:3065
 lookup_bdev+0xd8/0x2a0 block/bdev.c:1268
 resume_store+0x1d6/0x460 kernel/power/hibernate.c:1280
 kobj_attr_store+0x58/0x80 lib/kobject.c:842
 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:145
 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:345
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x6af/0x1050 fs/read_write.c:687
 ksys_write+0x12a/0x250 fs/read_write.c:739
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline]
 __do_fast_syscall_32+0x13a/0x8b0 arch/x86/entry/syscall_32.c:291
 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:316
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f17fec
Code: Unable to access opcode bytes at 0xf7f17fc2.
RSP: 002b:00000000ffcb7c2c EFLAGS: 00000296 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 0000000080000040
RDX: 0000000000000012 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
PM: Image not found (code -6)

final repro crashed as (corrupted=false):
======================================================
WARNING: possible circular locking dependency detected
syzkaller #0 Not tainted
------------------------------------------------------
syz.0.17/5920 is trying to acquire lock:
ffff88804bf4b460 (&pipe->mutex){+.+.}-{4:4}, at: anon_pipe_prefill_and_lock+0x16c/0x580 fs/pipe.c:165

but task is already holding lock:
ffff888014973938 (&sbi->pipe_mutex){+.+.}-{4:4}, at: autofs_write fs/autofs/waitq.c:55 [inline]
ffff888014973938 (&sbi->pipe_mutex){+.+.}-{4:4}, at: autofs_notify_daemon+0x4f8/0xd90 fs/autofs/waitq.c:164

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #3 (&sbi->pipe_mutex){+.+.}-{4:4}:
       lock_acquire kernel/locking/lockdep.c:5942 [inline]
       lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5899
       __mutex_lock_common kernel/locking/mutex.c:646 [inline]
       __mutex_lock+0x1a4/0x1bd0 kernel/locking/mutex.c:821
       autofs_write fs/autofs/waitq.c:55 [inline]
       autofs_notify_daemon+0x4f8/0xd90 fs/autofs/waitq.c:164
       autofs_wait+0x10fd/0x1b50 fs/autofs/waitq.c:426
       autofs_mount_wait+0x132/0x3b0 fs/autofs/root.c:256
       autofs_d_automount+0x490/0x950 fs/autofs/root.c:410
       follow_automount fs/namei.c:1565 [inline]
       __traverse_mounts+0x1b9/0x8a0 fs/namei.c:1618
       traverse_mounts fs/namei.c:1647 [inline]
       handle_mounts fs/namei.c:1749 [inline]
       step_into_slowpath+0xcb4/0x1150 fs/namei.c:2131
       step_into fs/namei.c:2181 [inline]
       walk_component fs/namei.c:2317 [inline]
       lookup_last fs/namei.c:2818 [inline]
       path_lookupat+0x58b/0xc40 fs/namei.c:2842
       filename_lookup+0x202/0x590 fs/namei.c:2871
       kern_path+0x37/0x50 fs/namei.c:3065
       lookup_bdev+0xd8/0x2a0 block/bdev.c:1268
       resume_store+0x1d6/0x460 kernel/power/hibernate.c:1280
       kobj_attr_store+0x58/0x80 lib/kobject.c:842
       sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:145
       kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:345
       new_sync_write fs/read_write.c:595 [inline]
       vfs_write+0x6af/0x1050 fs/read_write.c:687
       ksys_write+0x12a/0x250 fs/read_write.c:739
       do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline]
       __do_fast_syscall_32+0x13a/0x8b0 arch/x86/entry/syscall_32.c:291
       do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:316
       entry_SYSENTER_compat_after_hwframe+0x84/0x8e

-> #2 (&of->mutex){+.+.}-{4:4}:
       lock_acquire kernel/locking/lockdep.c:5942 [inline]
       lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5899
       __mutex_lock_common kernel/locking/mutex.c:646 [inline]
       __mutex_lock+0x1a4/0x1bd0 kernel/locking/mutex.c:821
       kernfs_seq_start+0x4f/0x2a0 fs/kernfs/file.c:165
       seq_read_iter+0x2c1/0x1270 fs/seq_file.c:226
       kernfs_fop_read_iter+0x46c/0x610 fs/kernfs/file.c:290
       copy_splice_read+0x4ba/0xbb0 fs/splice.c:362
       do_splice_read fs/splice.c:980 [inline]
       do_splice_read+0x285/0x370 fs/splice.c:954
       splice_file_to_pipe+0x82/0x120 fs/splice.c:1290
       do_sendfile+0x366/0xe20 fs/read_write.c:1377
       __do_compat_sys_sendfile fs/read_write.c:1453 [inline]
       __se_compat_sys_sendfile fs/read_write.c:1436 [inline]
       __ia32_compat_sys_sendfile+0x1e5/0x220 fs/read_write.c:1436
       do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline]
       __do_fast_syscall_32+0x13a/0x8b0 arch/x86/entry/syscall_32.c:291
       do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:316
       entry_SYSENTER_compat_after_hwframe+0x84/0x8e

-> #1 (&p->lock){+.+.}-{4:4}:
       lock_acquire kernel/locking/lockdep.c:5942 [inline]
       lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5899
       __mutex_lock_common kernel/locking/mutex.c:646 [inline]
       __mutex_lock+0x1a4/0x1bd0 kernel/locking/mutex.c:821
       seq_read_iter+0xe1/0x1270 fs/seq_file.c:183
       kernfs_fop_read_iter+0x46c/0x610 fs/kernfs/file.c:290
       copy_splice_read+0x4ba/0xbb0 fs/splice.c:362
       do_splice_read fs/splice.c:980 [inline]
       do_splice_read+0x285/0x370 fs/splice.c:954
       splice_file_to_pipe+0x82/0x120 fs/splice.c:1290
       do_sendfile+0x366/0xe20 fs/read_write.c:1377
       __do_compat_sys_sendfile fs/read_write.c:1453 [inline]
       __se_compat_sys_sendfile fs/read_write.c:1436 [inline]
       __ia32_compat_sys_sendfile+0x1e5/0x220 fs/read_write.c:1436
       do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline]
       __do_fast_syscall_32+0x13a/0x8b0 arch/x86/entry/syscall_32.c:291
       do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:316
       entry_SYSENTER_compat_after_hwframe+0x84/0x8e

-> #0 (&pipe->mutex){+.+.}-{4:4}:
       check_prev_add+0xeb/0xe60 kernel/locking/lockdep.c:3209
       check_prevs_add kernel/locking/lockdep.c:3328 [inline]
       validate_chain kernel/locking/lockdep.c:3952 [inline]
       __lock_acquire+0x1528/0x1f40 kernel/locking/lockdep.c:5288
       lock_acquire kernel/locking/lockdep.c:5942 [inline]
       lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5899
       __mutex_lock_common kernel/locking/mutex.c:646 [inline]
       __mutex_lock+0x1a4/0x1bd0 kernel/locking/mutex.c:821
       anon_pipe_prefill_and_lock+0x16c/0x580 fs/pipe.c:165
       anon_pipe_write+0x164/0x1b50 fs/pipe.c:534
       __kernel_write_iter+0x6bb/0x930 fs/read_write.c:621
       __kernel_write+0xf6/0x140 fs/read_write.c:641
       autofs_write fs/autofs/waitq.c:57 [inline]
       autofs_notify_daemon+0x50d/0xd90 fs/autofs/waitq.c:164
       autofs_wait+0x10fd/0x1b50 fs/autofs/waitq.c:426
       autofs_mount_wait+0x132/0x3b0 fs/autofs/root.c:256
       autofs_d_automount+0x490/0x950 fs/autofs/root.c:410
       follow_automount fs/namei.c:1565 [inline]
       __traverse_mounts+0x1b9/0x8a0 fs/namei.c:1618
       traverse_mounts fs/namei.c:1647 [inline]
       handle_mounts fs/namei.c:1749 [inline]
       step_into_slowpath+0xcb4/0x1150 fs/namei.c:2131
       step_into fs/namei.c:2181 [inline]
       walk_component fs/namei.c:2317 [inline]
       lookup_last fs/namei.c:2818 [inline]
       path_lookupat+0x58b/0xc40 fs/namei.c:2842
       filename_lookup+0x202/0x590 fs/namei.c:2871
       kern_path+0x37/0x50 fs/namei.c:3065
       lookup_bdev+0xd8/0x2a0 block/bdev.c:1268
       resume_store+0x1d6/0x460 kernel/power/hibernate.c:1280
       kobj_attr_store+0x58/0x80 lib/kobject.c:842
       sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:145
       kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:345
       new_sync_write fs/read_write.c:595 [inline]
       vfs_write+0x6af/0x1050 fs/read_write.c:687
       ksys_write+0x12a/0x250 fs/read_write.c:739
       do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline]
       __do_fast_syscall_32+0x13a/0x8b0 arch/x86/entry/syscall_32.c:291
       do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:316
       entry_SYSENTER_compat_after_hwframe+0x84/0x8e

other info that might help us debug this:

Chain exists of:
  &pipe->mutex --> &of->mutex --> &sbi->pipe_mutex

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(&sbi->pipe_mutex);
                               lock(&of->mutex);
                               lock(&sbi->pipe_mutex);
  lock(&pipe->mutex);

 *** DEADLOCK ***

locks held by syz.0.17/5920: 4, last CPU#0:
 #0: ffff88802873e460 (sb_writers#7){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:739
 #1: ffff8880153b9480 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x2c2/0x5f0 fs/kernfs/file.c:336
 #2: ffff88801eb03d28 (kn->active#67){.+.+}-{0:0}, at: kernfs_get_active_of fs/kernfs/file.c:73 [inline]
 #2: ffff88801eb03d28 (kn->active#67){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x332/0x5f0 fs/kernfs/file.c:337
 #3: ffff888014973938 (&sbi->pipe_mutex){+.+.}-{4:4}, at: autofs_write fs/autofs/waitq.c:55 [inline]
 #3: ffff888014973938 (&sbi->pipe_mutex){+.+.}-{4:4}, at: autofs_notify_daemon+0x4f8/0xd90 fs/autofs/waitq.c:164

stack backtrace:
CPU: 0 UID: 0 PID: 5920 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 print_circular_bug.cold+0x178/0x1be kernel/locking/lockdep.c:2087
 check_noncircular+0x146/0x160 kernel/locking/lockdep.c:2219
 check_prev_add+0xeb/0xe60 kernel/locking/lockdep.c:3209
 check_prevs_add kernel/locking/lockdep.c:3328 [inline]
 validate_chain kernel/locking/lockdep.c:3952 [inline]
 __lock_acquire+0x1528/0x1f40 kernel/locking/lockdep.c:5288
 lock_acquire kernel/locking/lockdep.c:5942 [inline]
 lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5899
 __mutex_lock_common kernel/locking/mutex.c:646 [inline]
 __mutex_lock+0x1a4/0x1bd0 kernel/locking/mutex.c:821
 anon_pipe_prefill_and_lock+0x16c/0x580 fs/pipe.c:165
 anon_pipe_write+0x164/0x1b50 fs/pipe.c:534
 __kernel_write_iter+0x6bb/0x930 fs/read_write.c:621
 __kernel_write+0xf6/0x140 fs/read_write.c:641
 autofs_write fs/autofs/waitq.c:57 [inline]
 autofs_notify_daemon+0x50d/0xd90 fs/autofs/waitq.c:164
 autofs_wait+0x10fd/0x1b50 fs/autofs/waitq.c:426
 autofs_mount_wait+0x132/0x3b0 fs/autofs/root.c:256
 autofs_d_automount+0x490/0x950 fs/autofs/root.c:410
 follow_automount fs/namei.c:1565 [inline]
 __traverse_mounts+0x1b9/0x8a0 fs/namei.c:1618
 traverse_mounts fs/namei.c:1647 [inline]
 handle_mounts fs/namei.c:1749 [inline]
 step_into_slowpath+0xcb4/0x1150 fs/namei.c:2131
 step_into fs/namei.c:2181 [inline]
 walk_component fs/namei.c:2317 [inline]
 lookup_last fs/namei.c:2818 [inline]
 path_lookupat+0x58b/0xc40 fs/namei.c:2842
 filename_lookup+0x202/0x590 fs/namei.c:2871
 kern_path+0x37/0x50 fs/namei.c:3065
 lookup_bdev+0xd8/0x2a0 block/bdev.c:1268
 resume_store+0x1d6/0x460 kernel/power/hibernate.c:1280
 kobj_attr_store+0x58/0x80 lib/kobject.c:842
 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:145
 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:345
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x6af/0x1050 fs/read_write.c:687
 ksys_write+0x12a/0x250 fs/read_write.c:739
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline]
 __do_fast_syscall_32+0x13a/0x8b0 arch/x86/entry/syscall_32.c:291
 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:316
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f17fec
Code: Unable to access opcode bytes at 0xf7f17fc2.
RSP: 002b:00000000ffcb7c2c EFLAGS: 00000296 ORIG_RAX: 0000000000000004
RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 0000000080000040
RDX: 0000000000000012 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
PM: Image not found (code -6)