Extracting prog: 2m30.420564933s
Minimizing prog: 33m17.015521289s
Simplifying prog options: 3m38.993789669s
Extracting C: 1m11.243164149s
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-syz_clone-mount$fuse-mount-chdir-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
mount$fuse(0x0, 0x0, 0x0, 0x8, &(0x7f0000000040)=ANY=[@ANYBLOB='fd=', @ANYRESDEC=0x0])
mount(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000280)='autofs\x00', 0x201000c, &(0x7f0000000040))
chdir(&(0x7f0000000080)='./file0\x00')
setpgid(r0, r0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000400)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1f00, 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=45.42042484s, {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-syz_clone-mount$fuse-mount-chdir-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
mount$fuse(0x0, 0x0, 0x0, 0x8, &(0x7f0000000040)=ANY=[@ANYBLOB='fd=', @ANYRESDEC=0x0])
mount(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000280)='autofs\x00', 0x201000c, &(0x7f0000000040))
chdir(&(0x7f0000000080)='./file0\x00')
setpgid(r0, r0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000400)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1f00, 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=45.42042484s, {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-syz_clone-mount$fuse-mount-chdir-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
mount$fuse(0x0, 0x0, 0x0, 0x8, &(0x7f0000000040)=ANY=[@ANYBLOB='fd=', @ANYRESDEC=0x0])
mount(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000280)='autofs\x00', 0x201000c, &(0x7f0000000040))
chdir(&(0x7f0000000080)='./file0\x00')
setpgid(r0, r0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000400)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1f00, 0x12)
r2 = seccomp$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=45.42042484s, {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-syz_clone-mount$fuse-mount-chdir-setpgid-setpgid-openat$sysfs-write$cgroup_int-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
mount$fuse(0x0, 0x0, 0x0, 0x8, &(0x7f0000000040)=ANY=[@ANYBLOB='fd=', @ANYRESDEC=0x0])
mount(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000280)='autofs\x00', 0x201000c, &(0x7f0000000040))
chdir(&(0x7f0000000080)='./file0\x00')
setpgid(r0, r0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000400)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1f00, 0x12)
r2 = openat$sysfs(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/power/pm_test', 0x141a82, 0x0)
sendfile(0xffffffffffffffff, r2, 0x0, 0x4)

program did not crash
testing program (duration=45.42042484s, {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-syz_clone-mount$fuse-mount-chdir-setpgid-setpgid-openat$sysfs-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
mount$fuse(0x0, 0x0, 0x0, 0x8, &(0x7f0000000040)=ANY=[@ANYBLOB='fd=', @ANYRESDEC=0x0])
mount(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000280)='autofs\x00', 0x201000c, &(0x7f0000000040))
chdir(&(0x7f0000000080)='./file0\x00')
setpgid(r0, r0)
setpgid(0x0, r0)
openat$sysfs(0xffffffffffffff9c, &(0x7f0000000400)='/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=45.42042484s, {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-syz_clone-mount$fuse-mount-chdir-setpgid-setpgid-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
mount$fuse(0x0, 0x0, 0x0, 0x8, &(0x7f0000000040)=ANY=[@ANYBLOB='fd=', @ANYRESDEC=0x0])
mount(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000280)='autofs\x00', 0x201000c, &(0x7f0000000040))
chdir(&(0x7f0000000080)='./file0\x00')
setpgid(r0, r0)
setpgid(0x0, r0)
write$cgroup_int(0xffffffffffffffff, &(0x7f0000000040)=0x1f00, 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=45.42042484s, {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-syz_clone-mount$fuse-mount-chdir-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
mount$fuse(0x0, 0x0, 0x0, 0x8, &(0x7f0000000040)=ANY=[@ANYBLOB='fd=', @ANYRESDEC=0x0])
mount(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000280)='autofs\x00', 0x201000c, &(0x7f0000000040))
chdir(&(0x7f0000000080)='./file0\x00')
setpgid(r0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000400)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1f00, 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=45.42042484s, {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-syz_clone-mount$fuse-mount-chdir-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
mount$fuse(0x0, 0x0, 0x0, 0x8, &(0x7f0000000040)=ANY=[@ANYBLOB='fd=', @ANYRESDEC=0x0])
mount(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000280)='autofs\x00', 0x201000c, &(0x7f0000000040))
chdir(&(0x7f0000000080)='./file0\x00')
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000400)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1f00, 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=45.42042484s, {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-syz_clone-mount$fuse-mount-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
mount$fuse(0x0, 0x0, 0x0, 0x8, &(0x7f0000000040)=ANY=[@ANYBLOB='fd=', @ANYRESDEC=0x0])
mount(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000280)='autofs\x00', 0x201000c, &(0x7f0000000040))
setpgid(r0, r0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000400)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1f00, 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=45.42042484s, {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-syz_clone-mount$fuse-chdir-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
mount$fuse(0x0, 0x0, 0x0, 0x8, &(0x7f0000000040)=ANY=[@ANYBLOB='fd=', @ANYRESDEC=0x0])
chdir(&(0x7f0000000080)='./file0\x00')
setpgid(r0, r0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000400)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1f00, 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=45.42042484s, {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-syz_clone-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, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
mount(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000280)='autofs\x00', 0x201000c, &(0x7f0000000040))
chdir(&(0x7f0000000080)='./file0\x00')
setpgid(r0, r0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000400)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1f00, 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=45.42042484s, {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$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
mount$fuse(0x0, 0x0, 0x0, 0x8, &(0x7f0000000040)=ANY=[@ANYBLOB='fd=', @ANYRESDEC=0x0])
mount(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000280)='autofs\x00', 0x201000c, &(0x7f0000000040))
chdir(&(0x7f0000000080)='./file0\x00')
setpgid(0x0, 0x0)
setpgid(0x0, 0x0)
r0 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000400)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r0, &(0x7f0000000040)=0x1f00, 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=45.42042484s, {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}}): syz_clone-mount$fuse-mount-chdir-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
mount$fuse(0x0, 0x0, 0x0, 0x8, &(0x7f0000000040)=ANY=[@ANYBLOB='fd=', @ANYRESDEC=0x0])
mount(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000280)='autofs\x00', 0x201000c, &(0x7f0000000040))
chdir(&(0x7f0000000080)='./file0\x00')
setpgid(r0, r0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000400)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1f00, 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=45.42042484s, {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-syz_clone-mount$fuse-mount-chdir-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x0)
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
mount$fuse(0x0, 0x0, 0x0, 0x8, &(0x7f0000000040)=ANY=[@ANYBLOB='fd=', @ANYRESDEC=0x0])
mount(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000280)='autofs\x00', 0x201000c, &(0x7f0000000040))
chdir(&(0x7f0000000080)='./file0\x00')
setpgid(r0, r0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000400)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1f00, 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=45.42042484s, {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-syz_clone-mount$fuse-mount-chdir-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
mount$fuse(0x0, 0x0, 0x0, 0x8, 0x0)
mount(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000280)='autofs\x00', 0x201000c, &(0x7f0000000040))
chdir(&(0x7f0000000080)='./file0\x00')
setpgid(r0, r0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000400)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1f00, 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=45.42042484s, {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-syz_clone-mount$fuse-mount-chdir-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
mount$fuse(0x0, 0x0, 0x0, 0x8, &(0x7f0000000040)=ANY=[@ANYBLOB, @ANYRESDEC=0x0])
mount(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000280)='autofs\x00', 0x201000c, &(0x7f0000000040))
chdir(&(0x7f0000000080)='./file0\x00')
setpgid(r0, r0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000400)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1f00, 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=45.42042484s, {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-syz_clone-mount$fuse-mount-chdir-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
mount$fuse(0x0, 0x0, 0x0, 0x8, &(0x7f0000000040)=ANY=[@ANYBLOB='fd=', @ANYRESDEC=0x0])
mount(0x0, 0x0, &(0x7f0000000280)='autofs\x00', 0x201000c, &(0x7f0000000040))
chdir(&(0x7f0000000080)='./file0\x00')
setpgid(r0, r0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000400)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1f00, 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=45.42042484s, {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-syz_clone-mount$fuse-mount-chdir-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
mount$fuse(0x0, 0x0, 0x0, 0x8, &(0x7f0000000040)=ANY=[@ANYBLOB='fd=', @ANYRESDEC=0x0])
mount(0x0, &(0x7f0000000440)='./file0\x00', 0x0, 0x201000c, &(0x7f0000000040))
chdir(&(0x7f0000000080)='./file0\x00')
setpgid(r0, r0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000400)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1f00, 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=45.42042484s, {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-syz_clone-mount$fuse-mount-chdir-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
mount$fuse(0x0, 0x0, 0x0, 0x8, &(0x7f0000000040)=ANY=[@ANYBLOB='fd=', @ANYRESDEC=0x0])
mount(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000280)='autofs\x00', 0x201000c, 0x0)
chdir(&(0x7f0000000080)='./file0\x00')
setpgid(r0, r0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000400)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1f00, 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=45.42042484s, {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-syz_clone-mount$fuse-mount-chdir-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
mount$fuse(0x0, 0x0, 0x0, 0x8, &(0x7f0000000040)=ANY=[@ANYBLOB='fd=', @ANYRESDEC=0x0])
mount(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000280)='autofs\x00', 0x201000c, &(0x7f0000000040))
chdir(0x0)
setpgid(r0, r0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000400)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1f00, 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=45.42042484s, {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-syz_clone-mount$fuse-mount-chdir-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
mount$fuse(0x0, 0x0, 0x0, 0x8, &(0x7f0000000040)=ANY=[@ANYBLOB='fd=', @ANYRESDEC=0x0])
mount(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000280)='autofs\x00', 0x201000c, &(0x7f0000000040))
chdir(&(0x7f0000000080)='./file0\x00')
setpgid(r0, r0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, 0x0, 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1f00, 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=45.42042484s, {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-syz_clone-mount$fuse-mount-chdir-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
mount$fuse(0x0, 0x0, 0x0, 0x8, &(0x7f0000000040)=ANY=[@ANYBLOB='fd=', @ANYRESDEC=0x0])
mount(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000280)='autofs\x00', 0x201000c, &(0x7f0000000040))
chdir(&(0x7f0000000080)='./file0\x00')
setpgid(r0, r0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000400)='/sys/power/resume', 0x149a82, 0x0)
write$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=45.42042484s, {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-syz_clone-mount$fuse-mount-chdir-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
mount$fuse(0x0, 0x0, 0x0, 0x8, &(0x7f0000000040)=ANY=[@ANYBLOB='fd=', @ANYRESDEC=0x0])
mount(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000280)='autofs\x00', 0x201000c, &(0x7f0000000040))
chdir(&(0x7f0000000080)='./file0\x00')
setpgid(r0, r0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000400)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1f00, 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=45.42042484s, {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-syz_clone-mount$fuse-mount-chdir-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
mount$fuse(0x0, 0x0, 0x0, 0x8, &(0x7f0000000040)=ANY=[@ANYBLOB='fd=', @ANYRESDEC=0x0])
mount(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000280)='autofs\x00', 0x201000c, &(0x7f0000000040))
chdir(&(0x7f0000000080)='./file0\x00')
setpgid(r0, r0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000400)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1f00, 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=45.42042484s, {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-syz_clone-mount$fuse-mount-chdir-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
mount$fuse(0x0, 0x0, 0x0, 0x8, &(0x7f0000000040)=ANY=[@ANYBLOB='fd=', @ANYRESDEC=0x0])
mount(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000280)='autofs\x00', 0x201000c, &(0x7f0000000040))
chdir(&(0x7f0000000080)='./file0\x00')
setpgid(r0, r0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000400)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1f00, 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=45.42042484s, {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-syz_clone-mount$fuse-mount-chdir-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
program did not crash
simplifying guilty program options
testing program (duration=45.42042484s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_clone-mount$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, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
mount$fuse(0x0, 0x0, 0x0, 0x8, &(0x7f0000000040)=ANY=[@ANYBLOB='fd=', @ANYRESDEC=0x0])
mount(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000280)='autofs\x00', 0x201000c, &(0x7f0000000040))
chdir(&(0x7f0000000080)='./file0\x00')
setpgid(r0, r0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000400)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1f00, 0x12)
r2 = seccomp$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=45.42042484s, {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-syz_clone-mount$fuse-mount-chdir-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
mount$fuse(0x0, 0x0, 0x0, 0x8, &(0x7f0000000040)=ANY=[@ANYBLOB='fd=', @ANYRESDEC=0x0])
mount(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000280)='autofs\x00', 0x201000c, &(0x7f0000000040))
chdir(&(0x7f0000000080)='./file0\x00')
setpgid(r0, r0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000400)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1f00, 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=45.42042484s, {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-syz_clone-mount$fuse-mount-chdir-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
program did not crash
testing program (duration=45.42042484s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_clone-mount$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, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
mount$fuse(0x0, 0x0, 0x0, 0x8, &(0x7f0000000040)=ANY=[@ANYBLOB='fd=', @ANYRESDEC=0x0])
mount(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000280)='autofs\x00', 0x201000c, &(0x7f0000000040))
chdir(&(0x7f0000000080)='./file0\x00')
setpgid(r0, r0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000400)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1f00, 0x12)
r2 = seccomp$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=45.42042484s, {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-syz_clone-mount$fuse-mount-chdir-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
mount$fuse(0x0, 0x0, 0x0, 0x8, &(0x7f0000000040)=ANY=[@ANYBLOB='fd=', @ANYRESDEC=0x0])
mount(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000280)='autofs\x00', 0x201000c, &(0x7f0000000040))
chdir(&(0x7f0000000080)='./file0\x00')
setpgid(r0, r0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000400)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1f00, 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=45.42042484s, {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-syz_clone-mount$fuse-mount-chdir-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000002040)='./file0\x00', 0x0)
r0 = syz_clone(0x11, 0x0, 0x0, 0x0, 0x0, 0x0)
mount$fuse(0x0, 0x0, 0x0, 0x8, &(0x7f0000000040)=ANY=[@ANYBLOB='fd=', @ANYRESDEC=0x0])
mount(0x0, &(0x7f0000000440)='./file0\x00', &(0x7f0000000280)='autofs\x00', 0x201000c, &(0x7f0000000040))
chdir(&(0x7f0000000080)='./file0\x00')
setpgid(r0, r0)
setpgid(0x0, r0)
r1 = openat$sysfs(0xffffffffffffff9c, &(0x7f0000000400)='/sys/power/resume', 0x149a82, 0x0)
write$cgroup_int(r1, &(0x7f0000000040)=0x1f00, 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 44m42.929015038s
repro crashed as (corrupted=false):
======================================================
WARNING: possible circular locking dependency detected
syzkaller #0 Not tainted
------------------------------------------------------
syz.0.17/6028 is trying to acquire lock:
ffff88807848b888 (&of->mutex){+.+.}-{4:4}, at: kernfs_seq_start+0x5c/0x420 fs/kernfs/file.c:172

but task is already holding lock:
ffff8880770edc30 (&p->lock){+.+.}-{4:4}, at: seq_read_iter+0xb7/0xe20 fs/seq_file.c:183

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+0x187/0x1350 kernel/locking/mutex.c:776
       seq_read_iter+0xb7/0xe20 fs/seq_file.c:183
       copy_splice_read+0x5d4/0xa50 fs/splice.c:363
       do_splice_read fs/splice.c:982 [inline]
       splice_file_to_pipe+0x273/0x440 fs/splice.c:1292
       do_sendfile+0x475/0x7e0 fs/read_write.c:1376
       __do_sys_sendfile64 fs/read_write.c:1431 [inline]
       __se_sys_sendfile64+0x13e/0x190 fs/read_write.c:1417
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xfa/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+0x187/0x1350 kernel/locking/mutex.c:776
       anon_pipe_write+0x15d/0x1460 fs/pipe.c:458
       __kernel_write_iter+0x481/0x910 fs/read_write.c:619
       __kernel_write+0xef/0x150 fs/read_write.c:639
       autofs_write fs/autofs/waitq.c:57 [inline]
       autofs_notify_daemon+0x6e7/0xde0 fs/autofs/waitq.c:164
       autofs_wait+0x11dc/0x18c0 fs/autofs/waitq.c:426
       autofs_mount_wait+0x16b/0x390 fs/autofs/root.c:255
       autofs_d_automount+0x64f/0x820 fs/autofs/root.c:409
       follow_automount fs/namei.c:1499 [inline]
       __traverse_mounts+0x301/0x5e0 fs/namei.c:1552
       traverse_mounts fs/namei.c:1581 [inline]
       handle_mounts fs/namei.c:1686 [inline]
       step_into_slowpath+0x469/0x7d0 fs/namei.c:2043
       step_into fs/namei.c:2091 [inline]
       walk_component fs/namei.c:2227 [inline]
       lookup_last fs/namei.c:2722 [inline]
       path_lookupat+0x433/0x8c0 fs/namei.c:2746
       filename_lookup+0x212/0x570 fs/namei.c:2775
       kern_path+0x35/0x50 fs/namei.c:2987
       lookup_bdev+0xc0/0x280 block/bdev.c:1222
       resume_store+0x169/0x480 kernel/power/hibernate.c:1306
       kernfs_fop_write_iter+0x3af/0x540 fs/kernfs/file.c:352
       new_sync_write fs/read_write.c:593 [inline]
       vfs_write+0x5c9/0xb30 fs/read_write.c:686
       ksys_write+0x145/0x250 fs/read_write.c:738
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xfa/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+0x187/0x1350 kernel/locking/mutex.c:776
       autofs_write fs/autofs/waitq.c:55 [inline]
       autofs_notify_daemon+0x6d4/0xde0 fs/autofs/waitq.c:164
       autofs_wait+0x11dc/0x18c0 fs/autofs/waitq.c:426
       autofs_mount_wait+0x16b/0x390 fs/autofs/root.c:255
       autofs_d_automount+0x64f/0x820 fs/autofs/root.c:409
       follow_automount fs/namei.c:1499 [inline]
       __traverse_mounts+0x301/0x5e0 fs/namei.c:1552
       traverse_mounts fs/namei.c:1581 [inline]
       handle_mounts fs/namei.c:1686 [inline]
       step_into_slowpath+0x469/0x7d0 fs/namei.c:2043
       step_into fs/namei.c:2091 [inline]
       walk_component fs/namei.c:2227 [inline]
       lookup_last fs/namei.c:2722 [inline]
       path_lookupat+0x433/0x8c0 fs/namei.c:2746
       filename_lookup+0x212/0x570 fs/namei.c:2775
       kern_path+0x35/0x50 fs/namei.c:2987
       lookup_bdev+0xc0/0x280 block/bdev.c:1222
       resume_store+0x169/0x480 kernel/power/hibernate.c:1306
       kernfs_fop_write_iter+0x3af/0x540 fs/kernfs/file.c:352
       new_sync_write fs/read_write.c:593 [inline]
       vfs_write+0x5c9/0xb30 fs/read_write.c:686
       ksys_write+0x145/0x250 fs/read_write.c:738
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xfa/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+0x15a6/0x2cf0 kernel/locking/lockdep.c:5237
       lock_acquire+0x117/0x340 kernel/locking/lockdep.c:5868
       __mutex_lock_common kernel/locking/mutex.c:614 [inline]
       __mutex_lock+0x187/0x1350 kernel/locking/mutex.c:776
       kernfs_seq_start+0x5c/0x420 fs/kernfs/file.c:172
       seq_read_iter+0x3f7/0xe20 fs/seq_file.c:226
       copy_splice_read+0x5d4/0xa50 fs/splice.c:363
       do_splice_read fs/splice.c:982 [inline]
       splice_file_to_pipe+0x273/0x440 fs/splice.c:1292
       do_sendfile+0x475/0x7e0 fs/read_write.c:1376
       __do_sys_sendfile64 fs/read_write.c:1431 [inline]
       __se_sys_sendfile64+0x13e/0x190 fs/read_write.c:1417
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xfa/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.0.17/6028:
 #0: ffff888029445868 (&pipe->mutex){+.+.}-{4:4}, at: splice_file_to_pipe+0x2e/0x440 fs/splice.c:1289
 #1: ffff8880770edc30 (&p->lock){+.+.}-{4:4}, at: seq_read_iter+0xb7/0xe20 fs/seq_file.c:183

stack backtrace:
CPU: 0 UID: 0 PID: 6028 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 print_circular_bug+0x2e2/0x300 kernel/locking/lockdep.c:2043
 check_noncircular+0x12e/0x150 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+0x15a6/0x2cf0 kernel/locking/lockdep.c:5237
 lock_acquire+0x117/0x340 kernel/locking/lockdep.c:5868
 __mutex_lock_common kernel/locking/mutex.c:614 [inline]
 __mutex_lock+0x187/0x1350 kernel/locking/mutex.c:776
 kernfs_seq_start+0x5c/0x420 fs/kernfs/file.c:172
 seq_read_iter+0x3f7/0xe20 fs/seq_file.c:226
 copy_splice_read+0x5d4/0xa50 fs/splice.c:363
 do_splice_read fs/splice.c:982 [inline]
 splice_file_to_pipe+0x273/0x440 fs/splice.c:1292
 do_sendfile+0x475/0x7e0 fs/read_write.c:1376
 __do_sys_sendfile64 fs/read_write.c:1431 [inline]
 __se_sys_sendfile64+0x13e/0x190 fs/read_write.c:1417
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcffcf8f749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcffde3a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fcffd1e6090 RCX: 00007fcffcf8f749
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
RBP: 00007fcffd013f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fcffd1e6128 R14: 00007fcffd1e6090 R15: 00007ffe8b9f9ce8
 </TASK>

final repro crashed as (corrupted=false):
======================================================
WARNING: possible circular locking dependency detected
syzkaller #0 Not tainted
------------------------------------------------------
syz.0.17/6028 is trying to acquire lock:
ffff88807848b888 (&of->mutex){+.+.}-{4:4}, at: kernfs_seq_start+0x5c/0x420 fs/kernfs/file.c:172

but task is already holding lock:
ffff8880770edc30 (&p->lock){+.+.}-{4:4}, at: seq_read_iter+0xb7/0xe20 fs/seq_file.c:183

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+0x187/0x1350 kernel/locking/mutex.c:776
       seq_read_iter+0xb7/0xe20 fs/seq_file.c:183
       copy_splice_read+0x5d4/0xa50 fs/splice.c:363
       do_splice_read fs/splice.c:982 [inline]
       splice_file_to_pipe+0x273/0x440 fs/splice.c:1292
       do_sendfile+0x475/0x7e0 fs/read_write.c:1376
       __do_sys_sendfile64 fs/read_write.c:1431 [inline]
       __se_sys_sendfile64+0x13e/0x190 fs/read_write.c:1417
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xfa/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+0x187/0x1350 kernel/locking/mutex.c:776
       anon_pipe_write+0x15d/0x1460 fs/pipe.c:458
       __kernel_write_iter+0x481/0x910 fs/read_write.c:619
       __kernel_write+0xef/0x150 fs/read_write.c:639
       autofs_write fs/autofs/waitq.c:57 [inline]
       autofs_notify_daemon+0x6e7/0xde0 fs/autofs/waitq.c:164
       autofs_wait+0x11dc/0x18c0 fs/autofs/waitq.c:426
       autofs_mount_wait+0x16b/0x390 fs/autofs/root.c:255
       autofs_d_automount+0x64f/0x820 fs/autofs/root.c:409
       follow_automount fs/namei.c:1499 [inline]
       __traverse_mounts+0x301/0x5e0 fs/namei.c:1552
       traverse_mounts fs/namei.c:1581 [inline]
       handle_mounts fs/namei.c:1686 [inline]
       step_into_slowpath+0x469/0x7d0 fs/namei.c:2043
       step_into fs/namei.c:2091 [inline]
       walk_component fs/namei.c:2227 [inline]
       lookup_last fs/namei.c:2722 [inline]
       path_lookupat+0x433/0x8c0 fs/namei.c:2746
       filename_lookup+0x212/0x570 fs/namei.c:2775
       kern_path+0x35/0x50 fs/namei.c:2987
       lookup_bdev+0xc0/0x280 block/bdev.c:1222
       resume_store+0x169/0x480 kernel/power/hibernate.c:1306
       kernfs_fop_write_iter+0x3af/0x540 fs/kernfs/file.c:352
       new_sync_write fs/read_write.c:593 [inline]
       vfs_write+0x5c9/0xb30 fs/read_write.c:686
       ksys_write+0x145/0x250 fs/read_write.c:738
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xfa/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+0x187/0x1350 kernel/locking/mutex.c:776
       autofs_write fs/autofs/waitq.c:55 [inline]
       autofs_notify_daemon+0x6d4/0xde0 fs/autofs/waitq.c:164
       autofs_wait+0x11dc/0x18c0 fs/autofs/waitq.c:426
       autofs_mount_wait+0x16b/0x390 fs/autofs/root.c:255
       autofs_d_automount+0x64f/0x820 fs/autofs/root.c:409
       follow_automount fs/namei.c:1499 [inline]
       __traverse_mounts+0x301/0x5e0 fs/namei.c:1552
       traverse_mounts fs/namei.c:1581 [inline]
       handle_mounts fs/namei.c:1686 [inline]
       step_into_slowpath+0x469/0x7d0 fs/namei.c:2043
       step_into fs/namei.c:2091 [inline]
       walk_component fs/namei.c:2227 [inline]
       lookup_last fs/namei.c:2722 [inline]
       path_lookupat+0x433/0x8c0 fs/namei.c:2746
       filename_lookup+0x212/0x570 fs/namei.c:2775
       kern_path+0x35/0x50 fs/namei.c:2987
       lookup_bdev+0xc0/0x280 block/bdev.c:1222
       resume_store+0x169/0x480 kernel/power/hibernate.c:1306
       kernfs_fop_write_iter+0x3af/0x540 fs/kernfs/file.c:352
       new_sync_write fs/read_write.c:593 [inline]
       vfs_write+0x5c9/0xb30 fs/read_write.c:686
       ksys_write+0x145/0x250 fs/read_write.c:738
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xfa/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+0x15a6/0x2cf0 kernel/locking/lockdep.c:5237
       lock_acquire+0x117/0x340 kernel/locking/lockdep.c:5868
       __mutex_lock_common kernel/locking/mutex.c:614 [inline]
       __mutex_lock+0x187/0x1350 kernel/locking/mutex.c:776
       kernfs_seq_start+0x5c/0x420 fs/kernfs/file.c:172
       seq_read_iter+0x3f7/0xe20 fs/seq_file.c:226
       copy_splice_read+0x5d4/0xa50 fs/splice.c:363
       do_splice_read fs/splice.c:982 [inline]
       splice_file_to_pipe+0x273/0x440 fs/splice.c:1292
       do_sendfile+0x475/0x7e0 fs/read_write.c:1376
       __do_sys_sendfile64 fs/read_write.c:1431 [inline]
       __se_sys_sendfile64+0x13e/0x190 fs/read_write.c:1417
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0xfa/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.0.17/6028:
 #0: ffff888029445868 (&pipe->mutex){+.+.}-{4:4}, at: splice_file_to_pipe+0x2e/0x440 fs/splice.c:1289
 #1: ffff8880770edc30 (&p->lock){+.+.}-{4:4}, at: seq_read_iter+0xb7/0xe20 fs/seq_file.c:183

stack backtrace:
CPU: 0 UID: 0 PID: 6028 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0x189/0x250 lib/dump_stack.c:120
 print_circular_bug+0x2e2/0x300 kernel/locking/lockdep.c:2043
 check_noncircular+0x12e/0x150 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+0x15a6/0x2cf0 kernel/locking/lockdep.c:5237
 lock_acquire+0x117/0x340 kernel/locking/lockdep.c:5868
 __mutex_lock_common kernel/locking/mutex.c:614 [inline]
 __mutex_lock+0x187/0x1350 kernel/locking/mutex.c:776
 kernfs_seq_start+0x5c/0x420 fs/kernfs/file.c:172
 seq_read_iter+0x3f7/0xe20 fs/seq_file.c:226
 copy_splice_read+0x5d4/0xa50 fs/splice.c:363
 do_splice_read fs/splice.c:982 [inline]
 splice_file_to_pipe+0x273/0x440 fs/splice.c:1292
 do_sendfile+0x475/0x7e0 fs/read_write.c:1376
 __do_sys_sendfile64 fs/read_write.c:1431 [inline]
 __se_sys_sendfile64+0x13e/0x190 fs/read_write.c:1417
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcffcf8f749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcffde3a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fcffd1e6090 RCX: 00007fcffcf8f749
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
RBP: 00007fcffd013f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fcffd1e6128 R14: 00007fcffd1e6090 R15: 00007ffe8b9f9ce8
 </TASK>