Extracting prog: 4m51.910980499s
Minimizing prog: 2h41m37.839745155s
Simplifying prog options: 13m32.162722308s
Extracting C: 6m24.156463258s
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:5 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
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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)

VM was preempted during syz execution: failed to run command in VM: instance is preempted, retrying
program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 crashed: lost connection to test machine
suppressed program crash: lost connection to test machine
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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$sysfs-sendfile
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$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=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$fuse-mount-chdir-syz_clone-setpgid-setpgid-openat$sysfs-write$cgroup_int-seccomp$SECCOMP_SET_MODE_FILTER_LISTENER-openat$sysfs-sendfile
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount$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=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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 3h10m7.582591309s
repro crashed as (corrupted=false):
======================================================
WARNING: possible circular locking dependency detected
syzkaller #0 Not tainted
------------------------------------------------------
syz.0.17/5926 is trying to acquire lock:
ffff888034d27878 (&of->mutex){+.+.}-{4:4}, at: kernfs_seq_start+0x5d/0x420 fs/kernfs/file.c:165

but task is already holding lock:
ffff888033283db0 (&p->lock){+.+.}-{4:4}, at: seq_read_iter+0xa5/0xcb0 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/rtmutex_api.c:559 [inline]
       mutex_lock_nested+0x5a/0x1d0 kernel/locking/rtmutex_api.c:578
       seq_read_iter+0xa5/0xcb0 fs/seq_file.c:183
       copy_splice_read+0x605/0xab0 fs/splice.c:346
       do_splice_read fs/splice.c:963 [inline]
       splice_file_to_pipe+0x450/0x6c0 fs/splice.c:1273
       do_sendfile+0x4e6/0x7e0 fs/read_write.c:1400
       __do_sys_sendfile64 fs/read_write.c:1455 [inline]
       __se_sys_sendfile64+0x144/0x1a0 fs/read_write.c:1441
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

-> #2 (&pipe->mutex){+.+.}-{4:4}:
       __mutex_lock_common kernel/locking/rtmutex_api.c:559 [inline]
       mutex_lock_nested+0x5a/0x1d0 kernel/locking/rtmutex_api.c:578
       anon_pipe_write+0x290/0x1c30 fs/pipe.c:553
       __kernel_write_iter+0x453/0x8f0 fs/read_write.c:621
       __kernel_write+0x106/0x170 fs/read_write.c:641
       autofs_write fs/autofs/waitq.c:57 [inline]
       autofs_notify_daemon+0x777/0xed0 fs/autofs/waitq.c:164
       autofs_wait+0x11d8/0x18b0 fs/autofs/waitq.c:426
       autofs_mount_wait+0x16b/0x390 fs/autofs/root.c:256
       autofs_d_automount+0x64e/0x810 fs/autofs/root.c:410
       follow_automount fs/namei.c:1565 [inline]
       __traverse_mounts+0x2fe/0x5d0 fs/namei.c:1618
       traverse_mounts fs/namei.c:1647 [inline]
       handle_mounts fs/namei.c:1749 [inline]
       step_into_slowpath+0x4ba/0x820 fs/namei.c:2104
       step_into fs/namei.c:2152 [inline]
       walk_component fs/namei.c:2288 [inline]
       lookup_last fs/namei.c:2789 [inline]
       path_lookupat+0x433/0x8c0 fs/namei.c:2813
       filename_lookup+0x265/0x5d0 fs/namei.c:2842
       kern_path+0x3d/0x150 fs/namei.c:3036
       lookup_bdev+0xc8/0x290 block/bdev.c:1208
       resume_store+0x16f/0x4f0 kernel/power/hibernate.c:1278
       kernfs_fop_write_iter+0x3a5/0x540 fs/kernfs/file.c:345
       new_sync_write fs/read_write.c:595 [inline]
       vfs_write+0x61e/0xbb0 fs/read_write.c:687
       ksys_write+0x156/0x270 fs/read_write.c:739
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0x174/0x580 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/rtmutex_api.c:559 [inline]
       mutex_lock_nested+0x5a/0x1d0 kernel/locking/rtmutex_api.c:578
       autofs_write fs/autofs/waitq.c:55 [inline]
       autofs_notify_daemon+0x764/0xed0 fs/autofs/waitq.c:164
       autofs_wait+0x11d8/0x18b0 fs/autofs/waitq.c:426
       autofs_mount_wait+0x16b/0x390 fs/autofs/root.c:256
       autofs_d_automount+0x64e/0x810 fs/autofs/root.c:410
       follow_automount fs/namei.c:1565 [inline]
       __traverse_mounts+0x2fe/0x5d0 fs/namei.c:1618
       traverse_mounts fs/namei.c:1647 [inline]
       handle_mounts fs/namei.c:1749 [inline]
       step_into_slowpath+0x4ba/0x820 fs/namei.c:2104
       step_into fs/namei.c:2152 [inline]
       walk_component fs/namei.c:2288 [inline]
       lookup_last fs/namei.c:2789 [inline]
       path_lookupat+0x433/0x8c0 fs/namei.c:2813
       filename_lookup+0x265/0x5d0 fs/namei.c:2842
       kern_path+0x3d/0x150 fs/namei.c:3036
       lookup_bdev+0xc8/0x290 block/bdev.c:1208
       resume_store+0x16f/0x4f0 kernel/power/hibernate.c:1278
       kernfs_fop_write_iter+0x3a5/0x540 fs/kernfs/file.c:345
       new_sync_write fs/read_write.c:595 [inline]
       vfs_write+0x61e/0xbb0 fs/read_write.c:687
       ksys_write+0x156/0x270 fs/read_write.c:739
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0x174/0x580 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:3167 [inline]
       check_prevs_add kernel/locking/lockdep.c:3286 [inline]
       validate_chain kernel/locking/lockdep.c:3910 [inline]
       __lock_acquire+0x1520/0x2ce0 kernel/locking/lockdep.c:5239
       lock_acquire+0x106/0x350 kernel/locking/lockdep.c:5870
       __mutex_lock_common kernel/locking/rtmutex_api.c:559 [inline]
       mutex_lock_nested+0x5a/0x1d0 kernel/locking/rtmutex_api.c:578
       kernfs_seq_start+0x5d/0x420 fs/kernfs/file.c:165
       seq_read_iter+0x37f/0xcb0 fs/seq_file.c:226
       copy_splice_read+0x605/0xab0 fs/splice.c:346
       do_splice_read fs/splice.c:963 [inline]
       splice_file_to_pipe+0x450/0x6c0 fs/splice.c:1273
       do_sendfile+0x4e6/0x7e0 fs/read_write.c:1400
       __do_sys_sendfile64 fs/read_write.c:1455 [inline]
       __se_sys_sendfile64+0x144/0x1a0 fs/read_write.c:1441
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0x174/0x580 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.0.17/5926:
 #0: ffff8880388f9858 (&pipe->mutex){+.+.}-{4:4}, at: splice_file_to_pipe+0x3e/0x6c0 fs/splice.c:1270
 #1: ffff888033283db0 (&p->lock){+.+.}-{4:4}, at: seq_read_iter+0xa5/0xcb0 fs/seq_file.c:183

stack backtrace:
CPU: 0 UID: 0 PID: 5926 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 print_circular_bug+0x2e1/0x300 kernel/locking/lockdep.c:2045
 check_noncircular+0x12e/0x150 kernel/locking/lockdep.c:2177
 check_prev_add kernel/locking/lockdep.c:3167 [inline]
 check_prevs_add kernel/locking/lockdep.c:3286 [inline]
 validate_chain kernel/locking/lockdep.c:3910 [inline]
 __lock_acquire+0x1520/0x2ce0 kernel/locking/lockdep.c:5239
 lock_acquire+0x106/0x350 kernel/locking/lockdep.c:5870
 __mutex_lock_common kernel/locking/rtmutex_api.c:559 [inline]
 mutex_lock_nested+0x5a/0x1d0 kernel/locking/rtmutex_api.c:578
 kernfs_seq_start+0x5d/0x420 fs/kernfs/file.c:165
 seq_read_iter+0x37f/0xcb0 fs/seq_file.c:226
 copy_splice_read+0x605/0xab0 fs/splice.c:346
 do_splice_read fs/splice.c:963 [inline]
 splice_file_to_pipe+0x450/0x6c0 fs/splice.c:1273
 do_sendfile+0x4e6/0x7e0 fs/read_write.c:1400
 __do_sys_sendfile64 fs/read_write.c:1455 [inline]
 __se_sys_sendfile64+0x144/0x1a0 fs/read_write.c:1441
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f434391ce59
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:00007f4342f5d028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f4343b96090 RCX: 00007f434391ce59
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
RBP: 00007f43439b2d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4343b96128 R14: 00007f4343b96090 R15: 00007ffdf38cb748
 </TASK>

final repro crashed as (corrupted=false):
======================================================
WARNING: possible circular locking dependency detected
syzkaller #0 Not tainted
------------------------------------------------------
syz.0.17/5926 is trying to acquire lock:
ffff888034d27878 (&of->mutex){+.+.}-{4:4}, at: kernfs_seq_start+0x5d/0x420 fs/kernfs/file.c:165

but task is already holding lock:
ffff888033283db0 (&p->lock){+.+.}-{4:4}, at: seq_read_iter+0xa5/0xcb0 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/rtmutex_api.c:559 [inline]
       mutex_lock_nested+0x5a/0x1d0 kernel/locking/rtmutex_api.c:578
       seq_read_iter+0xa5/0xcb0 fs/seq_file.c:183
       copy_splice_read+0x605/0xab0 fs/splice.c:346
       do_splice_read fs/splice.c:963 [inline]
       splice_file_to_pipe+0x450/0x6c0 fs/splice.c:1273
       do_sendfile+0x4e6/0x7e0 fs/read_write.c:1400
       __do_sys_sendfile64 fs/read_write.c:1455 [inline]
       __se_sys_sendfile64+0x144/0x1a0 fs/read_write.c:1441
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
       entry_SYSCALL_64_after_hwframe+0x77/0x7f

-> #2 (&pipe->mutex){+.+.}-{4:4}:
       __mutex_lock_common kernel/locking/rtmutex_api.c:559 [inline]
       mutex_lock_nested+0x5a/0x1d0 kernel/locking/rtmutex_api.c:578
       anon_pipe_write+0x290/0x1c30 fs/pipe.c:553
       __kernel_write_iter+0x453/0x8f0 fs/read_write.c:621
       __kernel_write+0x106/0x170 fs/read_write.c:641
       autofs_write fs/autofs/waitq.c:57 [inline]
       autofs_notify_daemon+0x777/0xed0 fs/autofs/waitq.c:164
       autofs_wait+0x11d8/0x18b0 fs/autofs/waitq.c:426
       autofs_mount_wait+0x16b/0x390 fs/autofs/root.c:256
       autofs_d_automount+0x64e/0x810 fs/autofs/root.c:410
       follow_automount fs/namei.c:1565 [inline]
       __traverse_mounts+0x2fe/0x5d0 fs/namei.c:1618
       traverse_mounts fs/namei.c:1647 [inline]
       handle_mounts fs/namei.c:1749 [inline]
       step_into_slowpath+0x4ba/0x820 fs/namei.c:2104
       step_into fs/namei.c:2152 [inline]
       walk_component fs/namei.c:2288 [inline]
       lookup_last fs/namei.c:2789 [inline]
       path_lookupat+0x433/0x8c0 fs/namei.c:2813
       filename_lookup+0x265/0x5d0 fs/namei.c:2842
       kern_path+0x3d/0x150 fs/namei.c:3036
       lookup_bdev+0xc8/0x290 block/bdev.c:1208
       resume_store+0x16f/0x4f0 kernel/power/hibernate.c:1278
       kernfs_fop_write_iter+0x3a5/0x540 fs/kernfs/file.c:345
       new_sync_write fs/read_write.c:595 [inline]
       vfs_write+0x61e/0xbb0 fs/read_write.c:687
       ksys_write+0x156/0x270 fs/read_write.c:739
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0x174/0x580 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/rtmutex_api.c:559 [inline]
       mutex_lock_nested+0x5a/0x1d0 kernel/locking/rtmutex_api.c:578
       autofs_write fs/autofs/waitq.c:55 [inline]
       autofs_notify_daemon+0x764/0xed0 fs/autofs/waitq.c:164
       autofs_wait+0x11d8/0x18b0 fs/autofs/waitq.c:426
       autofs_mount_wait+0x16b/0x390 fs/autofs/root.c:256
       autofs_d_automount+0x64e/0x810 fs/autofs/root.c:410
       follow_automount fs/namei.c:1565 [inline]
       __traverse_mounts+0x2fe/0x5d0 fs/namei.c:1618
       traverse_mounts fs/namei.c:1647 [inline]
       handle_mounts fs/namei.c:1749 [inline]
       step_into_slowpath+0x4ba/0x820 fs/namei.c:2104
       step_into fs/namei.c:2152 [inline]
       walk_component fs/namei.c:2288 [inline]
       lookup_last fs/namei.c:2789 [inline]
       path_lookupat+0x433/0x8c0 fs/namei.c:2813
       filename_lookup+0x265/0x5d0 fs/namei.c:2842
       kern_path+0x3d/0x150 fs/namei.c:3036
       lookup_bdev+0xc8/0x290 block/bdev.c:1208
       resume_store+0x16f/0x4f0 kernel/power/hibernate.c:1278
       kernfs_fop_write_iter+0x3a5/0x540 fs/kernfs/file.c:345
       new_sync_write fs/read_write.c:595 [inline]
       vfs_write+0x61e/0xbb0 fs/read_write.c:687
       ksys_write+0x156/0x270 fs/read_write.c:739
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0x174/0x580 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:3167 [inline]
       check_prevs_add kernel/locking/lockdep.c:3286 [inline]
       validate_chain kernel/locking/lockdep.c:3910 [inline]
       __lock_acquire+0x1520/0x2ce0 kernel/locking/lockdep.c:5239
       lock_acquire+0x106/0x350 kernel/locking/lockdep.c:5870
       __mutex_lock_common kernel/locking/rtmutex_api.c:559 [inline]
       mutex_lock_nested+0x5a/0x1d0 kernel/locking/rtmutex_api.c:578
       kernfs_seq_start+0x5d/0x420 fs/kernfs/file.c:165
       seq_read_iter+0x37f/0xcb0 fs/seq_file.c:226
       copy_splice_read+0x605/0xab0 fs/splice.c:346
       do_splice_read fs/splice.c:963 [inline]
       splice_file_to_pipe+0x450/0x6c0 fs/splice.c:1273
       do_sendfile+0x4e6/0x7e0 fs/read_write.c:1400
       __do_sys_sendfile64 fs/read_write.c:1455 [inline]
       __se_sys_sendfile64+0x144/0x1a0 fs/read_write.c:1441
       do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
       do_syscall_64+0x174/0x580 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.0.17/5926:
 #0: ffff8880388f9858 (&pipe->mutex){+.+.}-{4:4}, at: splice_file_to_pipe+0x3e/0x6c0 fs/splice.c:1270
 #1: ffff888033283db0 (&p->lock){+.+.}-{4:4}, at: seq_read_iter+0xa5/0xcb0 fs/seq_file.c:183

stack backtrace:
CPU: 0 UID: 0 PID: 5926 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT_{RT,(full)} 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 print_circular_bug+0x2e1/0x300 kernel/locking/lockdep.c:2045
 check_noncircular+0x12e/0x150 kernel/locking/lockdep.c:2177
 check_prev_add kernel/locking/lockdep.c:3167 [inline]
 check_prevs_add kernel/locking/lockdep.c:3286 [inline]
 validate_chain kernel/locking/lockdep.c:3910 [inline]
 __lock_acquire+0x1520/0x2ce0 kernel/locking/lockdep.c:5239
 lock_acquire+0x106/0x350 kernel/locking/lockdep.c:5870
 __mutex_lock_common kernel/locking/rtmutex_api.c:559 [inline]
 mutex_lock_nested+0x5a/0x1d0 kernel/locking/rtmutex_api.c:578
 kernfs_seq_start+0x5d/0x420 fs/kernfs/file.c:165
 seq_read_iter+0x37f/0xcb0 fs/seq_file.c:226
 copy_splice_read+0x605/0xab0 fs/splice.c:346
 do_splice_read fs/splice.c:963 [inline]
 splice_file_to_pipe+0x450/0x6c0 fs/splice.c:1273
 do_sendfile+0x4e6/0x7e0 fs/read_write.c:1400
 __do_sys_sendfile64 fs/read_write.c:1455 [inline]
 __se_sys_sendfile64+0x144/0x1a0 fs/read_write.c:1441
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f434391ce59
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:00007f4342f5d028 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f4343b96090 RCX: 00007f434391ce59
RDX: 0000000000000000 RSI: 0000000000000004 RDI: 0000000000000000
RBP: 00007f43439b2d6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4343b96128 R14: 00007f4343b96090 R15: 00007ffdf38cb748
 </TASK>