Extracting prog: 1m18.554314463s
Minimizing prog: 28m20.738652341s
Simplifying prog options: 3m23.97718613s
Extracting C: 44.268414101s
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}}): mkdirat-mount$fuse-mount-chdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0)
mount$fuse(0x0, 0x0, 0x0, 0xfc5cd7921c2c19c4, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0])
mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000040)='autofs\x00', 0x0, &(0x7f0000000400))
chdir(&(0x7f0000000080)='./file1\x00')
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r0, 0x0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1c9, 0x12)
r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r2, r3, 0x0, 0x4)

program crashed: possible deadlock in kernfs_seq_start
single: successfully extracted reproducer
found reproducer with 12 syscalls
minimizing guilty program
testing program (duration=37.854263377s, {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}}): mkdirat-mount$fuse-mount-chdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0)
mount$fuse(0x0, 0x0, 0x0, 0xfc5cd7921c2c19c4, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0])
mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000040)='autofs\x00', 0x0, &(0x7f0000000400))
chdir(&(0x7f0000000080)='./file1\x00')
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r0, 0x0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1c9, 0x12)
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)

program did not crash
testing program (duration=37.854263377s, {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}}): mkdirat-mount$fuse-mount-chdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0)
mount$fuse(0x0, 0x0, 0x0, 0xfc5cd7921c2c19c4, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0])
mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000040)='autofs\x00', 0x0, &(0x7f0000000400))
chdir(&(0x7f0000000080)='./file1\x00')
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r0, 0x0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1c9, 0x12)
r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
sendfile(r2, 0xffffffffffffffff, 0x0, 0x4)

program did not crash
testing program (duration=37.854263377s, {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}}): mkdirat-mount$fuse-mount-chdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0)
mount$fuse(0x0, 0x0, 0x0, 0xfc5cd7921c2c19c4, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0])
mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000040)='autofs\x00', 0x0, &(0x7f0000000400))
chdir(&(0x7f0000000080)='./file1\x00')
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r0, 0x0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1c9, 0x12)
r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(0xffffffffffffffff, r2, 0x0, 0x4)

program did not crash
testing program (duration=37.854263377s, {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}}): mkdirat-mount$fuse-mount-chdir-syz_clone-setpgid-setpgid-openat$sysfs-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0)
mount$fuse(0x0, 0x0, 0x0, 0xfc5cd7921c2c19c4, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0])
mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000040)='autofs\x00', 0x0, &(0x7f0000000400))
chdir(&(0x7f0000000080)='./file1\x00')
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r0, 0x0)
setpgid(0x0, r0)
openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/power/resume', 0x149a82, 0x0)
r1 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r1, r2, 0x0, 0x4)

program did not crash
testing program (duration=37.854263377s, {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}}): mkdirat-mount$fuse-mount-chdir-syz_clone-setpgid-setpgid-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0)
mount$fuse(0x0, 0x0, 0x0, 0xfc5cd7921c2c19c4, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0])
mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000040)='autofs\x00', 0x0, &(0x7f0000000400))
chdir(&(0x7f0000000080)='./file1\x00')
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r0, 0x0)
setpgid(0x0, r0)
write$cgroup_int(0xffffffffffffffff, &(0x7f0000000040)=0x1c9, 0x12)
r1 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r1, r2, 0x0, 0x4)

program did not crash
testing program (duration=37.854263377s, {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}}): mkdirat-mount$fuse-mount-chdir-syz_clone-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0)
mount$fuse(0x0, 0x0, 0x0, 0xfc5cd7921c2c19c4, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0])
mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000040)='autofs\x00', 0x0, &(0x7f0000000400))
chdir(&(0x7f0000000080)='./file1\x00')
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r0, 0x0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1c9, 0x12)
r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r2, r3, 0x0, 0x4)

program did not crash
testing program (duration=37.854263377s, {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}}): mkdirat-mount$fuse-mount-chdir-syz_clone-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0)
mount$fuse(0x0, 0x0, 0x0, 0xfc5cd7921c2c19c4, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0])
mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000040)='autofs\x00', 0x0, &(0x7f0000000400))
chdir(&(0x7f0000000080)='./file1\x00')
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1c9, 0x12)
r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r2, r3, 0x0, 0x4)

program did not crash
testing program (duration=37.854263377s, {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}}): mkdirat-mount$fuse-mount-chdir-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0)
mount$fuse(0x0, 0x0, 0x0, 0xfc5cd7921c2c19c4, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0])
mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000040)='autofs\x00', 0x0, &(0x7f0000000400))
chdir(&(0x7f0000000080)='./file1\x00')
setpgid(0x0, 0x0)
setpgid(0x0, 0x0)
r0 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r0, &(0x7f0000000040)=0x1c9, 0x12)
r1 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r1, r2, 0x0, 0x4)

program did not crash
testing program (duration=37.854263377s, {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}}): mkdirat-mount$fuse-mount-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0)
mount$fuse(0x0, 0x0, 0x0, 0xfc5cd7921c2c19c4, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0])
mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000040)='autofs\x00', 0x0, &(0x7f0000000400))
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r0, 0x0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1c9, 0x12)
r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r2, r3, 0x0, 0x4)

program did not crash
testing program (duration=37.854263377s, {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}}): mkdirat-mount$fuse-chdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0)
mount$fuse(0x0, 0x0, 0x0, 0xfc5cd7921c2c19c4, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0])
chdir(&(0x7f0000000080)='./file1\x00')
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r0, 0x0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1c9, 0x12)
r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r2, r3, 0x0, 0x4)

program did not crash
testing program (duration=37.854263377s, {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}}): mkdirat-mount-chdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0)
mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000040)='autofs\x00', 0x0, &(0x7f0000000400))
chdir(&(0x7f0000000080)='./file1\x00')
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r0, 0x0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1c9, 0x12)
r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r2, r3, 0x0, 0x4)

program did not crash
testing program (duration=37.854263377s, {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}}): mount$fuse-mount-chdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mount$fuse(0x0, 0x0, 0x0, 0xfc5cd7921c2c19c4, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0])
mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000040)='autofs\x00', 0x0, &(0x7f0000000400))
chdir(&(0x7f0000000080)='./file1\x00')
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r0, 0x0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1c9, 0x12)
r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r2, r3, 0x0, 0x4)

program did not crash
testing program (duration=37.854263377s, {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}}): mkdirat-mount$fuse-mount-chdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x0)
mount$fuse(0x0, 0x0, 0x0, 0xfc5cd7921c2c19c4, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0])
mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000040)='autofs\x00', 0x0, &(0x7f0000000400))
chdir(&(0x7f0000000080)='./file1\x00')
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r0, 0x0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1c9, 0x12)
r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r2, r3, 0x0, 0x4)

program did not crash
testing program (duration=37.854263377s, {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}}): mkdirat-mount$fuse-mount-chdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0)
mount$fuse(0x0, 0x0, 0x0, 0xfc5cd7921c2c19c4, 0x0)
mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000040)='autofs\x00', 0x0, &(0x7f0000000400))
chdir(&(0x7f0000000080)='./file1\x00')
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r0, 0x0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1c9, 0x12)
r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r2, r3, 0x0, 0x4)

program did not crash
testing program (duration=37.854263377s, {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}}): mkdirat-mount$fuse-mount-chdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0)
mount$fuse(0x0, 0x0, 0x0, 0xfc5cd7921c2c19c4, &(0x7f0000000400)=ANY=[@ANYBLOB, @ANYRESHEX=0x0])
mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000040)='autofs\x00', 0x0, &(0x7f0000000400))
chdir(&(0x7f0000000080)='./file1\x00')
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r0, 0x0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1c9, 0x12)
r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r2, r3, 0x0, 0x4)

program did not crash
testing program (duration=37.854263377s, {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}}): mkdirat-mount$fuse-mount-chdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0)
mount$fuse(0x0, 0x0, 0x0, 0xfc5cd7921c2c19c4, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0])
mount(0x0, 0x0, &(0x7f0000000040)='autofs\x00', 0x0, &(0x7f0000000400))
chdir(&(0x7f0000000080)='./file1\x00')
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r0, 0x0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1c9, 0x12)
r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r2, r3, 0x0, 0x4)

program did not crash
testing program (duration=37.854263377s, {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}}): mkdirat-mount$fuse-mount-chdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0)
mount$fuse(0x0, 0x0, 0x0, 0xfc5cd7921c2c19c4, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0])
mount(0x0, &(0x7f0000000380)='./file1\x00', 0x0, 0x0, &(0x7f0000000400))
chdir(&(0x7f0000000080)='./file1\x00')
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r0, 0x0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1c9, 0x12)
r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r2, r3, 0x0, 0x4)

program did not crash
testing program (duration=37.854263377s, {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}}): mkdirat-mount$fuse-mount-chdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0)
mount$fuse(0x0, 0x0, 0x0, 0xfc5cd7921c2c19c4, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0])
mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000040)='autofs\x00', 0x0, 0x0)
chdir(&(0x7f0000000080)='./file1\x00')
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r0, 0x0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1c9, 0x12)
r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r2, r3, 0x0, 0x4)

program did not crash
testing program (duration=37.854263377s, {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}}): mkdirat-mount$fuse-mount-chdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0)
mount$fuse(0x0, 0x0, 0x0, 0xfc5cd7921c2c19c4, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0])
mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000040)='autofs\x00', 0x0, &(0x7f0000000400))
chdir(0x0)
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r0, 0x0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1c9, 0x12)
r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r2, r3, 0x0, 0x4)

program did not crash
testing program (duration=37.854263377s, {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}}): mkdirat-mount$fuse-mount-chdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0)
mount$fuse(0x0, 0x0, 0x0, 0xfc5cd7921c2c19c4, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0])
mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000040)='autofs\x00', 0x0, &(0x7f0000000400))
chdir(&(0x7f0000000080)='./file1\x00')
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r0, 0x0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, 0x0, 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1c9, 0x12)
r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r2, r3, 0x0, 0x4)

program did not crash
testing program (duration=37.854263377s, {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}}): mkdirat-mount$fuse-mount-chdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0)
mount$fuse(0x0, 0x0, 0x0, 0xfc5cd7921c2c19c4, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0])
mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000040)='autofs\x00', 0x0, &(0x7f0000000400))
chdir(&(0x7f0000000080)='./file1\x00')
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r0, 0x0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, 0x0, 0x0)
r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r2, r3, 0x0, 0x4)

program did not crash
testing program (duration=37.854263377s, {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}}): mkdirat-mount$fuse-mount-chdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0)
mount$fuse(0x0, 0x0, 0x0, 0xfc5cd7921c2c19c4, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0])
mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000040)='autofs\x00', 0x0, &(0x7f0000000400))
chdir(&(0x7f0000000080)='./file1\x00')
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r0, 0x0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1c9, 0x12)
r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, 0x0)
r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r2, r3, 0x0, 0x4)

program did not crash
testing program (duration=37.854263377s, {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}}): mkdirat-mount$fuse-mount-chdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0)
mount$fuse(0x0, 0x0, 0x0, 0xfc5cd7921c2c19c4, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0])
mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000040)='autofs\x00', 0x0, &(0x7f0000000400))
chdir(&(0x7f0000000080)='./file1\x00')
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r0, 0x0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1c9, 0x12)
r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x0, 0x0})
r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r2, r3, 0x0, 0x4)

program did not crash
testing program (duration=37.854263377s, {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}}): mkdirat-mount$fuse-mount-chdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0)
mount$fuse(0x0, 0x0, 0x0, 0xfc5cd7921c2c19c4, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0])
mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000040)='autofs\x00', 0x0, &(0x7f0000000400))
chdir(&(0x7f0000000080)='./file1\x00')
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r0, 0x0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1c9, 0x12)
r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r3 = openat$sysfs(0xffffffffffffff9c, 0x0, 0x141a82, 0x0)
sendfile(r2, r3, 0x0, 0x4)

program did not crash
extracting C reproducer
testing compiled C program (duration=37.854263377s, {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}}): mkdirat-mount$fuse-mount-chdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
program did not crash
simplifying guilty program options
testing program (duration=37.854263377s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$fuse-mount-chdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0)
mount$fuse(0x0, 0x0, 0x0, 0xfc5cd7921c2c19c4, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0])
mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000040)='autofs\x00', 0x0, &(0x7f0000000400))
chdir(&(0x7f0000000080)='./file1\x00')
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r0, 0x0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1c9, 0x12)
r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r2, r3, 0x0, 0x4)

program did not crash
testing program (duration=37.854263377s, {Threaded:true 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}}): mkdirat-mount$fuse-mount-chdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0)
mount$fuse(0x0, 0x0, 0x0, 0xfc5cd7921c2c19c4, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0])
mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000040)='autofs\x00', 0x0, &(0x7f0000000400))
chdir(&(0x7f0000000080)='./file1\x00')
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r0, 0x0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1c9, 0x12)
r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r2, r3, 0x0, 0x4)

program crashed: possible deadlock in kernfs_seq_start
extracting C reproducer
testing compiled C program (duration=37.854263377s, {Threaded:true 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}}): mkdirat-mount$fuse-mount-chdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
program did not crash
testing program (duration=37.854263377s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$fuse-mount-chdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0)
mount$fuse(0x0, 0x0, 0x0, 0xfc5cd7921c2c19c4, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0])
mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000040)='autofs\x00', 0x0, &(0x7f0000000400))
chdir(&(0x7f0000000080)='./file1\x00')
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r0, 0x0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1c9, 0x12)
r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r2, r3, 0x0, 0x4)

program crashed: possible deadlock in kernfs_seq_start
validation run: crashed=true
testing program (duration=37.854263377s, {Threaded:true 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}}): mkdirat-mount$fuse-mount-chdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0)
mount$fuse(0x0, 0x0, 0x0, 0xfc5cd7921c2c19c4, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0])
mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000040)='autofs\x00', 0x0, &(0x7f0000000400))
chdir(&(0x7f0000000080)='./file1\x00')
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r0, 0x0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1c9, 0x12)
r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r2, r3, 0x0, 0x4)

program crashed: possible deadlock in kernfs_seq_start
validation run: crashed=true
testing program (duration=37.854263377s, {Threaded:true 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}}): mkdirat-mount$fuse-mount-chdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x0)
mount$fuse(0x0, 0x0, 0x0, 0xfc5cd7921c2c19c4, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=0x0])
mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f0000000040)='autofs\x00', 0x0, &(0x7f0000000400))
chdir(&(0x7f0000000080)='./file1\x00')
r0 = syz_clone(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
setpgid(r0, 0x0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000080)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1c9, 0x12)
r2 = seccomp$SECCOMP_SET_MODE_FILTER_LISTENER(0x1, 0x0, &(0x7f00000000c0)={0x1, &(0x7f0000000080)=[{0x6, 0x0, 0x0, 0x7fff0000}]})
r3 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(r2, r3, 0x0, 0x4)

program crashed: possible deadlock in kernfs_seq_start
validation run: crashed=true
reproducing took 36m34.558079369s
repro crashed as (corrupted=false):
======================================================
WARNING: possible circular locking dependency detected
syzkaller #0 Not tainted
------------------------------------------------------
syz.0.17/6075 is trying to acquire lock:
ffff88802f605088 (&of->mutex){+.+.}-{4:4}, at: kernfs_seq_start+0x4f/0x2a0 fs/kernfs/file.c:172

but task is already holding lock:
ffff888037b95320 (&p->lock){+.+.}-{4:4}, at: seq_read_iter+0xe1/0x1270 fs/seq_file.c:182

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #3 (&p->lock){+.+.}-{4:4}:
       __mutex_lock_common kernel/locking/mutex.c:614 [inline]
       __mutex_lock+0x1a2/0x1b90 kernel/locking/mutex.c:776
       seq_read_iter+0xe1/0x1270 fs/seq_file.c:182
       kernfs_fop_read_iter+0x46c/0x610 fs/kernfs/file.c:297
       copy_splice_read+0x4ba/0xb90 fs/splice.c:363
       do_splice_read fs/splice.c:982 [inline]
       do_splice_read+0x285/0x370 fs/splice.c:956
       splice_file_to_pipe+0x82/0x120 fs/splice.c:1292
       do_sendfile+0x366/0xe20 fs/read_write.c:1376
       __do_sys_sendfile64 fs/read_write.c:1431 [inline]
       __se_sys_sendfile64 fs/read_write.c:1417 [inline]
       __x64_sys_sendfile64+0x1d8/0x220 fs/read_write.c:1417
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

-> #2 (&pipe->mutex){+.+.}-{4:4}:
       __mutex_lock_common kernel/locking/mutex.c:614 [inline]
       __mutex_lock+0x1a2/0x1b90 kernel/locking/mutex.c:776
       anon_pipe_write+0x163/0x1d40 fs/pipe.c:458
       __kernel_write_iter+0x6b2/0x920 fs/read_write.c:619
       __kernel_write+0xf6/0x140 fs/read_write.c:639
       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:255
       autofs_d_automount+0x490/0x950 fs/autofs/root.c:409
       follow_automount fs/namei.c:1507 [inline]
       __traverse_mounts+0x1b9/0x8a0 fs/namei.c:1560
       traverse_mounts fs/namei.c:1589 [inline]
       handle_mounts fs/namei.c:1694 [inline]
       step_into_slowpath+0x76e/0xf50 fs/namei.c:2051
       step_into fs/namei.c:2099 [inline]
       walk_component fs/namei.c:2235 [inline]
       lookup_last fs/namei.c:2730 [inline]
       path_lookupat+0x58b/0xc40 fs/namei.c:2754
       filename_lookup+0x202/0x590 fs/namei.c:2783
       kern_path+0x35/0x50 fs/namei.c:2996
       lookup_bdev+0xd8/0x280 block/bdev.c:1222
       resume_store+0x1d6/0x460 kernel/power/hibernate.c:1306
       kobj_attr_store+0x58/0x80 lib/kobject.c:840
       sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:142
       kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:352
       new_sync_write fs/read_write.c:593 [inline]
       vfs_write+0x6ac/0x1070 fs/read_write.c:686
       ksys_write+0x12a/0x250 fs/read_write.c:738
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

-> #1 (&sbi->pipe_mutex){+.+.}-{4:4}:
       __mutex_lock_common kernel/locking/mutex.c:614 [inline]
       __mutex_lock+0x1a2/0x1b90 kernel/locking/mutex.c:776
       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:255
       autofs_d_automount+0x490/0x950 fs/autofs/root.c:409
       follow_automount fs/namei.c:1507 [inline]
       __traverse_mounts+0x1b9/0x8a0 fs/namei.c:1560
       traverse_mounts fs/namei.c:1589 [inline]
       handle_mounts fs/namei.c:1694 [inline]
       step_into_slowpath+0x76e/0xf50 fs/namei.c:2051
       step_into fs/namei.c:2099 [inline]
       walk_component fs/namei.c:2235 [inline]
       lookup_last fs/namei.c:2730 [inline]
       path_lookupat+0x58b/0xc40 fs/namei.c:2754
       filename_lookup+0x202/0x590 fs/namei.c:2783
       kern_path+0x35/0x50 fs/namei.c:2996
       lookup_bdev+0xd8/0x280 block/bdev.c:1222
       resume_store+0x1d6/0x460 kernel/power/hibernate.c:1306
       kobj_attr_store+0x58/0x80 lib/kobject.c:840
       sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:142
       kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:352
       new_sync_write fs/read_write.c:593 [inline]
       vfs_write+0x6ac/0x1070 fs/read_write.c:686
       ksys_write+0x12a/0x250 fs/read_write.c:738
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

-> #0 (&of->mutex){+.+.}-{4:4}:
       check_prev_add kernel/locking/lockdep.c:3165 [inline]
       check_prevs_add kernel/locking/lockdep.c:3284 [inline]
       validate_chain kernel/locking/lockdep.c:3908 [inline]
       __lock_acquire+0x14b8/0x2630 kernel/locking/lockdep.c:5237
       lock_acquire kernel/locking/lockdep.c:5868 [inline]
       lock_acquire+0x17c/0x330 kernel/locking/lockdep.c:5825
       __mutex_lock_common kernel/locking/mutex.c:614 [inline]
       __mutex_lock+0x1a2/0x1b90 kernel/locking/mutex.c:776
       kernfs_seq_start+0x4f/0x2a0 fs/kernfs/file.c:172
       seq_read_iter+0x2c1/0x1270 fs/seq_file.c:225
       kernfs_fop_read_iter+0x46c/0x610 fs/kernfs/file.c:297
       copy_splice_read+0x4ba/0xb90 fs/splice.c:363
       do_splice_read fs/splice.c:982 [inline]
       do_splice_read+0x285/0x370 fs/splice.c:956
       splice_file_to_pipe+0x82/0x120 fs/splice.c:1292
       do_sendfile+0x366/0xe20 fs/read_write.c:1376
       __do_sys_sendfile64 fs/read_write.c:1431 [inline]
       __se_sys_sendfile64 fs/read_write.c:1417 [inline]
       __x64_sys_sendfile64+0x1d8/0x220 fs/read_write.c:1417
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

other info that might help us debug this:

Chain exists of:
  &of->mutex --> &pipe->mutex --> &p->lock

 Possible unsafe locking scenario:

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

 *** DEADLOCK ***

2 locks held by syz.0.17/6075:
 #0: ffff888038369868 (&pipe->mutex){+.+.}-{4:4}, at: pipe_lock fs/pipe.c:91 [inline]
 #0: ffff888038369868 (&pipe->mutex){+.+.}-{4:4}, at: pipe_lock+0x69/0x80 fs/pipe.c:88
 #1: ffff888037b95320 (&p->lock){+.+.}-{4:4}, at: seq_read_iter+0xe1/0x1270 fs/seq_file.c:182

stack backtrace:
CPU: 2 UID: 0 PID: 6075 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+0x178/0x1c7 kernel/locking/lockdep.c:2043
 check_noncircular+0x146/0x160 kernel/locking/lockdep.c:2175
 check_prev_add kernel/locking/lockdep.c:3165 [inline]
 check_prevs_add kernel/locking/lockdep.c:3284 [inline]
 validate_chain kernel/locking/lockdep.c:3908 [inline]
 __lock_acquire+0x14b8/0x2630 kernel/locking/lockdep.c:5237
 lock_acquire kernel/locking/lockdep.c:5868 [inline]
 lock_acquire+0x17c/0x330 kernel/locking/lockdep.c:5825
 __mutex_lock_common kernel/locking/mutex.c:614 [inline]
 __mutex_lock+0x1a2/0x1b90 kernel/locking/mutex.c:776
 kernfs_seq_start+0x4f/0x2a0 fs/kernfs/file.c:172
 seq_read_iter+0x2c1/0x1270 fs/seq_file.c:225
 kernfs_fop_read_iter+0x46c/0x610 fs/kernfs/file.c:297
 copy_splice_read+0x4ba/0xb90 fs/splice.c:363
 do_splice_read fs/splice.c:982 [inline]
 do_splice_read+0x285/0x370 fs/splice.c:956
 splice_file_to_pipe+0x82/0x120 fs/splice.c:1292
 do_sendfile+0x366/0xe20 fs/read_write.c:1376
 __do_sys_sendfile64 fs/read_write.c:1431 [inline]
 __se_sys_sendfile64 fs/read_write.c:1417 [inline]
 __x64_sys_sendfile64+0x1d8/0x220 fs/read_write.c:1417
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f309939aeb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f309a1bd028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f3099616090 RCX: 00007f309939aeb9
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
RBP: 00007f3099408c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3099616128 R14: 00007f3099616090 R15: 00007ffd688fc418
 </TASK>

final repro crashed as (corrupted=false):
======================================================
WARNING: possible circular locking dependency detected
syzkaller #0 Not tainted
------------------------------------------------------
syz.0.17/6075 is trying to acquire lock:
ffff88802f605088 (&of->mutex){+.+.}-{4:4}, at: kernfs_seq_start+0x4f/0x2a0 fs/kernfs/file.c:172

but task is already holding lock:
ffff888037b95320 (&p->lock){+.+.}-{4:4}, at: seq_read_iter+0xe1/0x1270 fs/seq_file.c:182

which lock already depends on the new lock.


the existing dependency chain (in reverse order) is:

-> #3 (&p->lock){+.+.}-{4:4}:
       __mutex_lock_common kernel/locking/mutex.c:614 [inline]
       __mutex_lock+0x1a2/0x1b90 kernel/locking/mutex.c:776
       seq_read_iter+0xe1/0x1270 fs/seq_file.c:182
       kernfs_fop_read_iter+0x46c/0x610 fs/kernfs/file.c:297
       copy_splice_read+0x4ba/0xb90 fs/splice.c:363
       do_splice_read fs/splice.c:982 [inline]
       do_splice_read+0x285/0x370 fs/splice.c:956
       splice_file_to_pipe+0x82/0x120 fs/splice.c:1292
       do_sendfile+0x366/0xe20 fs/read_write.c:1376
       __do_sys_sendfile64 fs/read_write.c:1431 [inline]
       __se_sys_sendfile64 fs/read_write.c:1417 [inline]
       __x64_sys_sendfile64+0x1d8/0x220 fs/read_write.c:1417
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

-> #2 (&pipe->mutex){+.+.}-{4:4}:
       __mutex_lock_common kernel/locking/mutex.c:614 [inline]
       __mutex_lock+0x1a2/0x1b90 kernel/locking/mutex.c:776
       anon_pipe_write+0x163/0x1d40 fs/pipe.c:458
       __kernel_write_iter+0x6b2/0x920 fs/read_write.c:619
       __kernel_write+0xf6/0x140 fs/read_write.c:639
       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:255
       autofs_d_automount+0x490/0x950 fs/autofs/root.c:409
       follow_automount fs/namei.c:1507 [inline]
       __traverse_mounts+0x1b9/0x8a0 fs/namei.c:1560
       traverse_mounts fs/namei.c:1589 [inline]
       handle_mounts fs/namei.c:1694 [inline]
       step_into_slowpath+0x76e/0xf50 fs/namei.c:2051
       step_into fs/namei.c:2099 [inline]
       walk_component fs/namei.c:2235 [inline]
       lookup_last fs/namei.c:2730 [inline]
       path_lookupat+0x58b/0xc40 fs/namei.c:2754
       filename_lookup+0x202/0x590 fs/namei.c:2783
       kern_path+0x35/0x50 fs/namei.c:2996
       lookup_bdev+0xd8/0x280 block/bdev.c:1222
       resume_store+0x1d6/0x460 kernel/power/hibernate.c:1306
       kobj_attr_store+0x58/0x80 lib/kobject.c:840
       sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:142
       kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:352
       new_sync_write fs/read_write.c:593 [inline]
       vfs_write+0x6ac/0x1070 fs/read_write.c:686
       ksys_write+0x12a/0x250 fs/read_write.c:738
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

-> #1 (&sbi->pipe_mutex){+.+.}-{4:4}:
       __mutex_lock_common kernel/locking/mutex.c:614 [inline]
       __mutex_lock+0x1a2/0x1b90 kernel/locking/mutex.c:776
       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:255
       autofs_d_automount+0x490/0x950 fs/autofs/root.c:409
       follow_automount fs/namei.c:1507 [inline]
       __traverse_mounts+0x1b9/0x8a0 fs/namei.c:1560
       traverse_mounts fs/namei.c:1589 [inline]
       handle_mounts fs/namei.c:1694 [inline]
       step_into_slowpath+0x76e/0xf50 fs/namei.c:2051
       step_into fs/namei.c:2099 [inline]
       walk_component fs/namei.c:2235 [inline]
       lookup_last fs/namei.c:2730 [inline]
       path_lookupat+0x58b/0xc40 fs/namei.c:2754
       filename_lookup+0x202/0x590 fs/namei.c:2783
       kern_path+0x35/0x50 fs/namei.c:2996
       lookup_bdev+0xd8/0x280 block/bdev.c:1222
       resume_store+0x1d6/0x460 kernel/power/hibernate.c:1306
       kobj_attr_store+0x58/0x80 lib/kobject.c:840
       sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:142
       kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:352
       new_sync_write fs/read_write.c:593 [inline]
       vfs_write+0x6ac/0x1070 fs/read_write.c:686
       ksys_write+0x12a/0x250 fs/read_write.c:738
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

-> #0 (&of->mutex){+.+.}-{4:4}:
       check_prev_add kernel/locking/lockdep.c:3165 [inline]
       check_prevs_add kernel/locking/lockdep.c:3284 [inline]
       validate_chain kernel/locking/lockdep.c:3908 [inline]
       __lock_acquire+0x14b8/0x2630 kernel/locking/lockdep.c:5237
       lock_acquire kernel/locking/lockdep.c:5868 [inline]
       lock_acquire+0x17c/0x330 kernel/locking/lockdep.c:5825
       __mutex_lock_common kernel/locking/mutex.c:614 [inline]
       __mutex_lock+0x1a2/0x1b90 kernel/locking/mutex.c:776
       kernfs_seq_start+0x4f/0x2a0 fs/kernfs/file.c:172
       seq_read_iter+0x2c1/0x1270 fs/seq_file.c:225
       kernfs_fop_read_iter+0x46c/0x610 fs/kernfs/file.c:297
       copy_splice_read+0x4ba/0xb90 fs/splice.c:363
       do_splice_read fs/splice.c:982 [inline]
       do_splice_read+0x285/0x370 fs/splice.c:956
       splice_file_to_pipe+0x82/0x120 fs/splice.c:1292
       do_sendfile+0x366/0xe20 fs/read_write.c:1376
       __do_sys_sendfile64 fs/read_write.c:1431 [inline]
       __se_sys_sendfile64 fs/read_write.c:1417 [inline]
       __x64_sys_sendfile64+0x1d8/0x220 fs/read_write.c:1417
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

other info that might help us debug this:

Chain exists of:
  &of->mutex --> &pipe->mutex --> &p->lock

 Possible unsafe locking scenario:

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

 *** DEADLOCK ***

2 locks held by syz.0.17/6075:
 #0: ffff888038369868 (&pipe->mutex){+.+.}-{4:4}, at: pipe_lock fs/pipe.c:91 [inline]
 #0: ffff888038369868 (&pipe->mutex){+.+.}-{4:4}, at: pipe_lock+0x69/0x80 fs/pipe.c:88
 #1: ffff888037b95320 (&p->lock){+.+.}-{4:4}, at: seq_read_iter+0xe1/0x1270 fs/seq_file.c:182

stack backtrace:
CPU: 2 UID: 0 PID: 6075 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+0x178/0x1c7 kernel/locking/lockdep.c:2043
 check_noncircular+0x146/0x160 kernel/locking/lockdep.c:2175
 check_prev_add kernel/locking/lockdep.c:3165 [inline]
 check_prevs_add kernel/locking/lockdep.c:3284 [inline]
 validate_chain kernel/locking/lockdep.c:3908 [inline]
 __lock_acquire+0x14b8/0x2630 kernel/locking/lockdep.c:5237
 lock_acquire kernel/locking/lockdep.c:5868 [inline]
 lock_acquire+0x17c/0x330 kernel/locking/lockdep.c:5825
 __mutex_lock_common kernel/locking/mutex.c:614 [inline]
 __mutex_lock+0x1a2/0x1b90 kernel/locking/mutex.c:776
 kernfs_seq_start+0x4f/0x2a0 fs/kernfs/file.c:172
 seq_read_iter+0x2c1/0x1270 fs/seq_file.c:225
 kernfs_fop_read_iter+0x46c/0x610 fs/kernfs/file.c:297
 copy_splice_read+0x4ba/0xb90 fs/splice.c:363
 do_splice_read fs/splice.c:982 [inline]
 do_splice_read+0x285/0x370 fs/splice.c:956
 splice_file_to_pipe+0x82/0x120 fs/splice.c:1292
 do_sendfile+0x366/0xe20 fs/read_write.c:1376
 __do_sys_sendfile64 fs/read_write.c:1431 [inline]
 __se_sys_sendfile64 fs/read_write.c:1417 [inline]
 __x64_sys_sendfile64+0x1d8/0x220 fs/read_write.c:1417
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f309939aeb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f309a1bd028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f3099616090 RCX: 00007f309939aeb9
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
RBP: 00007f3099408c1f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3099616128 R14: 00007f3099616090 R15: 00007ffd688fc418
 </TASK>