Extracting prog: 22m36.251408993s
Minimizing prog: 1h21m18.017142483s
Simplifying prog options: 0s
Extracting C: 2m17.61189448s
Simplifying C: 56m20.966066454s


extracting reproducer from 30 programs
testing a last program of every proc
single: executing 5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_mount_image$udf-sync-rename-syz_init_net_socket$nl_generic-syz_genetlink_get_family_id$netlbl_cipso-close_range-syz_open_procfs-ppoll-getpid-syz_pidfd_open-setns-mount_setattr-close_range-memfd_create-mmap-bind$inet6-listen-socket$inet_tcp-bind$inet-setsockopt$sock_int-listen-symlink-umount2-openat-getdents64-syz_kvm_add_vcpu$x86-syz_kvm_setup_cpu$x86-openat$cgroup_ro
detailed listing:
executing program 0:
r0 = syz_mount_image$udf(&(0x7f0000000400), &(0x7f0000000100)='./file0\x00', 0x800048, &(0x7f00000001c0)=ANY=[], 0x1, 0x4b1, &(0x7f0000000740)="$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")
sync()
rename(&(0x7f0000000000)='./file1\x00', &(0x7f0000000080)='./file2\x00')
r1 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10)
syz_genetlink_get_family_id$netlbl_cipso(&(0x7f00000000c0), r1)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
r2 = syz_open_procfs(0x0, &(0x7f0000000240)='mountinfo\x00')
ppoll(&(0x7f0000000140)=[{r2}], 0x1, 0x0, 0x0, 0x0)
r3 = getpid()
r4 = syz_pidfd_open(r3, 0x0)
setns(r4, 0x8020000)
mount_setattr(0xffffffffffffff9c, &(0x7f0000000180)='.\x00', 0x0, &(0x7f0000001dc0)={0x8, 0x70, 0x0, {r2}}, 0x20)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x2)
memfd_create(&(0x7f0000000100)='\x103q}2[\xe0\x9a\xee\xaf\x03\x97\x9et\v\"|Ma\x86\xe7\xc0\x14\x9f\xb9h\xb1\x96\xe7=I\x860S6\xb5\xa8\xc2\x95Je%\xfeG\'e\xe5\x8f\xf8\xd2\x1c\xc0\xfb\x1c\xa6\xab\bi\xe4^\xd5\xfd\xa9\r\xac7A\x94k\xcd\t\x00\x90k\xd6\x05\xb6&\xd0\x9daA\xc5\x9c_\xd4\x18,\f\xd4s\xb2\x99/\xc0\x9a\xf2Oc\xc0c\x03gB!\xb0\xb8n\x01\x9bT\x95\x10\x86\xe8$\x7f\r[\xf9\x0e1v\xb1\n\x88\v\x95uy\xb5:`\x8b\nC\x18A;\xaa%\xaf\xc7\xa3\xac\xa2D\xb5\xe2\xe1\xdc(\xfd\x05\x9fB\x84O\xfe@\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x1a\xa0\x17\xe3\xac\xe9\xc9\xa7\x8a\x1b\x03\"&\xac\xcap>\xccZ\x01\xbc\x18\xc1\xb9\xe9\v\x8b\x9c\xb4Q\xd4\x96EV<>\x99\xca\xb3\xe0\xc4tL\xed\xf5W\xbd#\xcf\x8a\x84\xed\x9f/\xd4\xbb\xea;-Dp\xf8\xd0F\x90\xf8\x92Ip6\xf4\x16\xe8\x14\xe0\x92!\x92-F\xe2\x14D\x91\xa8b\x04\xdd\x1d\a\xdc\xe0\x18\x85{\x80Q\xf6k\x96\xfaQ\x9fW\vO\xf0\xe4O\\\xceS\xf2\xde\x049d\x06#\x88\xc3\xdf\x85O\x1c\xc3\xad?r\xd7\x0e\x00\xd7\x83\xb0\x88\x9c\xf6Y-F\x98\xdd\x9c~\xfd\x95\xc3\xb6lC\xaa\"Y\xa2K\xecz\x84:*\xf5Y\xd1\x9b1\x91\x9b\x15\xd4\xec\x02o\x01&\xaa\x90w\xc4\xc7yn\xb5\x1ag\xab&?\xbe\xcb\xe8v\xa8\xe0\xa4\x81sW\xacf\x149\xd2}\xefCGa\x9a$4\x8c\xa5!p\x83\x05\x96%\x02%\xabj\n\b\xc8NC\x91}&y\xd3\xe1\xeep\'\xc5\xab\x19GsX5\x8c\n\x9fh\xee;4\xb1%V\xe0\xa9\x8e\xf30:\xd8\x18N~G\x139\xca', 0x2)
mmap(&(0x7f0000ff4000/0x1000)=nil, 0x1000, 0xc, 0x13, r0, 0x941dd000)
bind$inet6(0xffffffffffffffff, 0x0, 0x0)
listen(r2, 0x0)
r5 = socket$inet_tcp(0x2, 0x1, 0x0)
bind$inet(r5, 0x0, 0x0)
setsockopt$sock_int(r5, 0x1, 0x800000000f, &(0x7f0000000080)=0x7, 0x4)
listen(r5, 0xfffffff8)
symlink(&(0x7f0000000200)='.\x00', &(0x7f0000000040)='./file0\x00')
umount2(&(0x7f0000000000)='./file1\x00', 0x9)
r6 = openat(0xffffffffffffff9c, &(0x7f0000004280)='.\x00', 0x0, 0x0)
getdents64(r6, &(0x7f0000000180)=""/92, 0x5c)
r7 = syz_kvm_add_vcpu$x86(0x0, &(0x7f00000002c0)={0x0, &(0x7f0000000c00)=ANY=[@ANYBLOB="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"], 0x258})
syz_kvm_setup_cpu$x86(r6, r7, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000340)=[@text16={0x10, &(0x7f00000003c0)="660f73faf7f20f089a3f042f00f0810df8000f01c30f651064c0e1b1260f798b04000f0f626aa40f08", 0x29}], 0x1, 0xa, &(0x7f0000000300), 0x0)
openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000280)='blkio.bfq.io_serviced\x00', 0x26e1, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6_icmp_raw-setsockopt
detailed listing:
executing program 0:
r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a)
setsockopt(r0, 0xff, 0xffff, &(0x7f0000000280)="1c5b8628", 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$MAP_CREATE-bpf$PROG_LOAD-prctl$PR_SET_SECCOMP-syz_mount_image$ext4-prlimit64-sched_setscheduler-getpid-sched_setaffinity-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-socket$inet6-setsockopt$SO_TIMESTAMPING-sendmmsg$inet6-recvmmsg-setresuid-bpf$MAP_CREATE-socket$inet6_tcp-bpf$BPF_RAW_TRACEPOINT_OPEN-socketpair$unix-bpf$PROG_LOAD
detailed listing:
executing program 0:
bpf$MAP_CREATE(0x0, &(0x7f0000000180)=@base={0xb, 0x7, 0xc9d7, 0x9, 0x1281, 0x1, 0x9, '\x00', 0x0, 0xffffffffffffffff, 0x0, 0x3, 0x0, 0x0, @void, @value, @void, @value}, 0x48)
bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x11, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @fallback, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x94)
prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f0000000180)={0x0, 0x0})
syz_mount_image$ext4(0x0, &(0x7f0000000200)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000000))
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
r0 = getpid()
sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2)
sched_setscheduler(r0, 0x2, &(0x7f0000000040)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
r3 = socket$inet6(0xa, 0x800000000000002, 0x0)
setsockopt$SO_TIMESTAMPING(r3, 0x1, 0x25, &(0x7f00000001c0)=0x2134, 0x4)
sendmmsg$inet6(r3, 0x0, 0x0, 0x40)
recvmmsg(r3, 0x0, 0x0, 0x12141, 0x0)
setresuid(0x0, 0x0, 0x0)
bpf$MAP_CREATE(0x0, &(0x7f0000001a80)=ANY=[@ANYBLOB="0e000000040000000800000008"], 0x50)
socket$inet6_tcp(0xa, 0x1, 0x0)
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000040)={&(0x7f0000000000)='sched_switch\x00'}, 0x10)
socketpair$unix(0x1, 0x5, 0x0, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f00000054c0)={0x10, 0x16, &(0x7f0000000780)=ANY=[@ANYBLOB="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"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, @sk_msg, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x48)

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prlimit64-timer_create-timer_settime-socketpair$unix-write$P9_RVERSION-dup-setsockopt$inet6_udp_encap-write$FUSE_DIRENTPLUS-syz_mount_image$squashfs-open-getdents-syz_open_dev$usbfs-ioctl$USBDEVFS_IOCTL
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
write$P9_RVERSION(0xffffffffffffffff, 0x0, 0x15)
r0 = dup(0xffffffffffffffff)
setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000013c0)=0x1, 0x4)
write$FUSE_DIRENTPLUS(r0, 0x0, 0xb0)
syz_mount_image$squashfs(&(0x7f00000006c0), &(0x7f0000000000)='./file0\x00', 0x2, &(0x7f0000000400)=ANY=[@ANYRES16=0x0, @ANYRESDEC, @ANYRES8, @ANYRESDEC, @ANYRES32, @ANYRES64, @ANYRES8=0x0, @ANYRESDEC, @ANYRES32], 0x1, 0x1ef, &(0x7f0000000b80)="$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")
r1 = open(&(0x7f00000000c0)='.\x00', 0x10000, 0x0)
getdents(r1, &(0x7f0000001fc0)=""/184, 0xb8)
r2 = syz_open_dev$usbfs(0x0, 0x70, 0x22c303)
ioctl$USBDEVFS_IOCTL(r2, 0xc0105512, 0x0)

program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
single: successfully extracted reproducer
found reproducer with 15 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prlimit64-timer_create-timer_settime-socketpair$unix-write$P9_RVERSION-dup-setsockopt$inet6_udp_encap-write$FUSE_DIRENTPLUS-syz_mount_image$squashfs-open-getdents-syz_open_dev$usbfs
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
write$P9_RVERSION(0xffffffffffffffff, 0x0, 0x15)
r0 = dup(0xffffffffffffffff)
setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000013c0)=0x1, 0x4)
write$FUSE_DIRENTPLUS(r0, 0x0, 0xb0)
syz_mount_image$squashfs(&(0x7f00000006c0), &(0x7f0000000000)='./file0\x00', 0x2, &(0x7f0000000400)=ANY=[@ANYRES16=0x0, @ANYRESDEC, @ANYRES8, @ANYRESDEC, @ANYRES32, @ANYRES64, @ANYRES8=0x0, @ANYRESDEC, @ANYRES32], 0x1, 0x1ef, &(0x7f0000000b80)="$eJzslU1rE0EYx3+zO0kazaFnTwWL7UXbbEE8erMfwA9gSNda3PjSDWhCweilFw/ilyj4KTwIevcgInipBwU9VDxVJDI7z4wTEoiVRCjsH8LzPP95XrPzciu/n9eAX0d7bRYpoGjwQSk0sKIsd1y18rvIoeCztnZT+BciP4nMe/23T63av93KsnQ3701RlIJpPtkQq0h5Rp30hGLOc2rqN09GGcVE5wj4q3lmophqY0vd2I40HvVshKlN8pFY/kPz/64snWDf2Emt8qMxuiW+zLqxCvOeHTzzszH9M71/bj/nRJ9YwutjJ2XOSm/WCaMTReXI9ZVfexzxrTDeHe21jXJDbjHDbdmfOxKFjzFeBT7nNAxAxQx9Hg1XjbECrHU799byXv/iTqe1nW6nd5Jk4/L667NyRIePYCdL11XQhjnUuHsJMOe0HqxXgI9/1gcEUEFrBmdAVbG9uRB3Oa+eDwLrEAWxYQ6b96WvXxMupsN1LrAAPBioJUiw/9YyJpvmphltE0UsRlMHfcIxEQvFwqX23WxrH4VyYQdon6N5SMUbCdYwhdKNK378fZHLIjdFHog8FOneLvcm6SLDV7FWB1DlYavb3S0eL6t5LvFcsugrR1LVvYbKdVKjRIkSJUqUKFHilOB3AAAA//9pS0H2")
r1 = open(&(0x7f00000000c0)='.\x00', 0x10000, 0x0)
getdents(r1, &(0x7f0000001fc0)=""/184, 0xb8)
syz_open_dev$usbfs(0x0, 0x70, 0x22c303)

program crashed: INFO: rcu detected stall in batadv_nc_worker
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prlimit64-timer_create-timer_settime-socketpair$unix-write$P9_RVERSION-dup-setsockopt$inet6_udp_encap-write$FUSE_DIRENTPLUS-syz_mount_image$squashfs-open-getdents
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
write$P9_RVERSION(0xffffffffffffffff, 0x0, 0x15)
r0 = dup(0xffffffffffffffff)
setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000013c0)=0x1, 0x4)
write$FUSE_DIRENTPLUS(r0, 0x0, 0xb0)
syz_mount_image$squashfs(&(0x7f00000006c0), &(0x7f0000000000)='./file0\x00', 0x2, &(0x7f0000000400)=ANY=[@ANYRES16=0x0, @ANYRESDEC, @ANYRES8, @ANYRESDEC, @ANYRES32, @ANYRES64, @ANYRES8=0x0, @ANYRESDEC, @ANYRES32], 0x1, 0x1ef, &(0x7f0000000b80)="$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")
r1 = open(&(0x7f00000000c0)='.\x00', 0x10000, 0x0)
getdents(r1, &(0x7f0000001fc0)=""/184, 0xb8)

program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prlimit64-timer_create-timer_settime-socketpair$unix-write$P9_RVERSION-dup-setsockopt$inet6_udp_encap-write$FUSE_DIRENTPLUS-syz_mount_image$squashfs-open
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
write$P9_RVERSION(0xffffffffffffffff, 0x0, 0x15)
r0 = dup(0xffffffffffffffff)
setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000013c0)=0x1, 0x4)
write$FUSE_DIRENTPLUS(r0, 0x0, 0xb0)
syz_mount_image$squashfs(&(0x7f00000006c0), &(0x7f0000000000)='./file0\x00', 0x2, &(0x7f0000000400)=ANY=[@ANYRES16=0x0, @ANYRESDEC, @ANYRES8, @ANYRESDEC, @ANYRES32, @ANYRES64, @ANYRES8=0x0, @ANYRESDEC, @ANYRES32], 0x1, 0x1ef, &(0x7f0000000b80)="$eJzslU1rE0EYx3+zO0kazaFnTwWL7UXbbEE8erMfwA9gSNda3PjSDWhCweilFw/ilyj4KTwIevcgInipBwU9VDxVJDI7z4wTEoiVRCjsH8LzPP95XrPzciu/n9eAX0d7bRYpoGjwQSk0sKIsd1y18rvIoeCztnZT+BciP4nMe/23T63av93KsnQ3701RlIJpPtkQq0h5Rp30hGLOc2rqN09GGcVE5wj4q3lmophqY0vd2I40HvVshKlN8pFY/kPz/64snWDf2Emt8qMxuiW+zLqxCvOeHTzzszH9M71/bj/nRJ9YwutjJ2XOSm/WCaMTReXI9ZVfexzxrTDeHe21jXJDbjHDbdmfOxKFjzFeBT7nNAxAxQx9Hg1XjbECrHU799byXv/iTqe1nW6nd5Jk4/L667NyRIePYCdL11XQhjnUuHsJMOe0HqxXgI9/1gcEUEFrBmdAVbG9uRB3Oa+eDwLrEAWxYQ6b96WvXxMupsN1LrAAPBioJUiw/9YyJpvmphltE0UsRlMHfcIxEQvFwqX23WxrH4VyYQdon6N5SMUbCdYwhdKNK378fZHLIjdFHog8FOneLvcm6SLDV7FWB1DlYavb3S0eL6t5LvFcsugrR1LVvYbKdVKjRIkSJUqUKFHilOB3AAAA//9pS0H2")
open(&(0x7f00000000c0)='.\x00', 0x10000, 0x0)

program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prlimit64-timer_create-timer_settime-socketpair$unix-write$P9_RVERSION-dup-setsockopt$inet6_udp_encap-write$FUSE_DIRENTPLUS-syz_mount_image$squashfs
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
write$P9_RVERSION(0xffffffffffffffff, 0x0, 0x15)
r0 = dup(0xffffffffffffffff)
setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000013c0)=0x1, 0x4)
write$FUSE_DIRENTPLUS(r0, 0x0, 0xb0)
syz_mount_image$squashfs(&(0x7f00000006c0), &(0x7f0000000000)='./file0\x00', 0x2, &(0x7f0000000400)=ANY=[@ANYRES16=0x0, @ANYRESDEC, @ANYRES8, @ANYRESDEC, @ANYRES32, @ANYRES64, @ANYRES8=0x0, @ANYRESDEC, @ANYRES32], 0x1, 0x1ef, &(0x7f0000000b80)="$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")

program crashed: INFO: rcu detected stall in corrupted
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prlimit64-timer_create-timer_settime-socketpair$unix-write$P9_RVERSION-dup-setsockopt$inet6_udp_encap-write$FUSE_DIRENTPLUS
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
write$P9_RVERSION(0xffffffffffffffff, 0x0, 0x15)
r0 = dup(0xffffffffffffffff)
setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000013c0)=0x1, 0x4)
write$FUSE_DIRENTPLUS(r0, 0x0, 0xb0)

program crashed: INFO: rcu detected stall in corrupted
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prlimit64-timer_create-timer_settime-socketpair$unix-write$P9_RVERSION-dup-setsockopt$inet6_udp_encap
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
write$P9_RVERSION(0xffffffffffffffff, 0x0, 0x15)
dup(0xffffffffffffffff)
setsockopt$inet6_udp_encap(0xffffffffffffffff, 0x11, 0x64, &(0x7f00000013c0)=0x1, 0x4)

program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prlimit64-timer_create-timer_settime-socketpair$unix-write$P9_RVERSION-dup
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
write$P9_RVERSION(0xffffffffffffffff, 0x0, 0x15)
dup(0xffffffffffffffff)

program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prlimit64-timer_create-timer_settime-socketpair$unix-write$P9_RVERSION
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socketpair$unix(0x1, 0x1, 0x0, 0x0)
write$P9_RVERSION(0xffffffffffffffff, 0x0, 0x15)

program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prlimit64-timer_create-timer_settime-socketpair$unix
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
socketpair$unix(0x1, 0x1, 0x0, 0x0)

program crashed: INFO: rcu detected stall in sys_getpid
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prlimit64-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program crashed: INFO: rcu detected stall in corrupted
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prlimit64-timer_create
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-prlimit64-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0xc, 0x8b}, 0x0)
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program crashed: INFO: rcu detected stall in batadv_nc_worker
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, 0x0)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
timer_create(0x0, 0x0, &(0x7f0000000100))
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, 0x0)
timer_settime(0x0, 0x0, &(0x7f000006b000)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8)
timer_create(0x0, &(0x7f0000000680)={0x0, 0x21}, &(0x7f0000000100))
timer_settime(0x0, 0x0, 0x0, 0x0)

program crashed: lost connection to test machine
suppressed program crash: lost connection to test machine
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: INFO: rcu detected stall in corrupted
simplifying C reproducer
testing compiled C 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: INFO: rcu detected stall in corrupted
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: INFO: rcu detected stall in syscall_enter_from_user_mode
a never seen crash title: INFO: rcu detected stall in syscall_enter_from_user_mode, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: INFO: rcu detected stall in corrupted
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: INFO: rcu detected stall in corrupted
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: INFO: rcu detected stall in corrupted
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: INFO: rcu detected stall in sys_mkdir
a never seen crash title: INFO: rcu detected stall in sys_mkdir, ignore
reproducing took 2h42m32.84653082s
repro crashed as (corrupted=true):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
	(detected by 0, t=10502 jiffies, g=5365, q=121)
rcu: All QSes seen, last rcu_preempt kthread activity 10498 (4294954004-4294943506), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10498 jiffies! g5365 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:27584 pid:   15 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0x11b8/0x43b0 kernel/sched/core.c:6376
 schedule+0x11b/0x1e0 kernel/sched/core.c:6459
 schedule_timeout+0x15c/0x280 kernel/time/timer.c:1914
 rcu_gp_fqs_loop+0x29e/0x11b0 kernel/rcu/tree.c:1972
 rcu_gp_kthread+0x98/0x350 kernel/rcu/tree.c:2145
 kthread+0x436/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4196 Comm: syz-executor398 Not tainted 5.15.183-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
RIP: 0010:kasan_mem_to_shadow include/linux/kasan.h:55 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:128 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x41/0x290 mm/kasan/generic.c:189
Code: 82 57 02 00 00 49 89 f8 49 c1 e8 2f 41 81 f8 ff ff 01 00 0f 82 43 02 00 00 49 bf 01 00 00 00 00 fc ff df 49 89 fb 49 c1 eb 03 <49> b8 00 00 00 00 00 fc ff df 4f 8d 0c 03 48 8d 5c 37 ff 48 c1 eb
RSP: 0018:ffffc90002e9f6c0 EFLAGS: 00000802
RAX: 0000000000000001 RBX: 00000000000000a2 RCX: ffffffff815beefb
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8ff990d0
RBP: ffffc90002e9f930 R08: 000000000001ffff R09: 0000000000000001
R10: fffffbfff1ad148e R11: 1ffffffff1ff321a R12: ffff88807632e450
R13: 0000000000000010 R14: 0000000000000000 R15: dffffc0000000001
FS:  000055557540b3c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000020000006b000 CR3: 000000006fa72000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 instrument_atomic_read include/linux/instrumented.h:71 [inline]
 test_bit include/asm-generic/bitops/instrumented-non-atomic.h:134 [inline]
 hlock_class kernel/locking/lockdep.c:197 [inline]
 check_wait_context kernel/locking/lockdep.c:4686 [inline]
 __lock_acquire+0x51b/0x7c60 kernel/locking/lockdep.c:4962
 lock_acquire+0x197/0x3f0 kernel/locking/lockdep.c:5623
 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline]
 _raw_spin_lock_irq+0x9f/0xe0 kernel/locking/spinlock.c:170
 spin_lock_irq include/linux/spinlock.h:388 [inline]
 __set_current_blocked+0xe7/0x240 kernel/signal.c:3086
 set_current_blocked kernel/signal.c:3072 [inline]
 signal_delivered kernel/signal.c:2936 [inline]
 signal_setup_done+0x28c/0x440 kernel/signal.c:2947
 handle_signal arch/x86/kernel/signal.c:842 [inline]
 arch_do_signal_or_restart+0xf2e/0x1300 arch/x86/kernel/signal.c:869
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0x9e/0x130 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7ff29ba6ba60
Code: 83 c0 16 83 e0 f7 74 12 50 48 8d 3d ca c9 02 00 e8 a5 df fa ff 0f 1f 44 00 00 c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 <83> ff 21 74 0b c3 66 2e 0f 1f 84 00 00 00 00 00 55 53 48 89 f3 48
RSP: 002b:00007fff60afdfb8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007ff29ba45829
RDX: 00007fff60afdfc0 RSI: 00007fff60afe0f0 RDI: 0000000000000021
RBP: 0000000000000000 R08: ffffffffffffffff R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff29ba96036
R13: 00007fff60afe5b0 R14: 00007fff60afe5f0 R15: 0000000000000000
 </TASK>

report is corrupted, running repro again
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
final repro crashed as (corrupted=false):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
	(detected by 0, t=10502 jiffies, g=7145, q=31)
rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294956178-4294945675), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10504 jiffies! g7145 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:27464 pid:   15 ppid:     2 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5030 [inline]
 __schedule+0x11b8/0x43b0 kernel/sched/core.c:6376
 schedule+0x11b/0x1e0 kernel/sched/core.c:6459
 schedule_timeout+0x15c/0x280 kernel/time/timer.c:1914
 rcu_gp_fqs_loop+0x29e/0x11b0 kernel/rcu/tree.c:1972
 rcu_gp_kthread+0x98/0x350 kernel/rcu/tree.c:2145
 kthread+0x436/0x520 kernel/kthread.c:334
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 4201 Comm: syz-executor357 Not tainted 5.15.183-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
RIP: 0010:arch_irqs_disabled_flags arch/x86/include/asm/irqflags.h:127 [inline]
RIP: 0010:arch_local_irq_restore arch/x86/include/asm/irqflags.h:139 [inline]
RIP: 0010:lock_release+0x570/0x870 kernel/locking/lockdep.c:5646
Code: 0f c1 05 73 0d a6 7e 83 f8 01 75 75 48 c7 84 24 80 00 00 00 00 00 00 00 9c 8f 84 24 80 00 00 00 f6 84 24 81 00 00 00 02 75 75 <f7> 44 24 50 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 4b c7
RSP: 0018:ffffc90000dd0aa0 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 393d0376774b2430 RCX: 0e694a50998f0300
RDX: 0000000000000002 RSI: ffffffff8a0b2260 RDI: ffffffff8a59a2c0
RBP: ffffc90000dd0bb0 R08: dffffc0000000000 R09: fffffbfff1ad148e
R10: fffffbfff1ad148e R11: 1ffffffff1ad148d R12: ffff888023360b40
R13: dffffc0000000000 R14: ffff888023360ae0 R15: 1ffff920001ba160
FS:  00005555599d63c0(0000) GS:ffff8880b9100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdafd09f370 CR3: 000000006754e000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:158 [inline]
 _raw_spin_unlock_irqrestore+0x6d/0x100 kernel/locking/spinlock.c:194
 spin_unlock_irqrestore include/linux/spinlock.h:418 [inline]
 unlock_task_sighand include/linux/sched/signal.h:718 [inline]
 send_sigqueue+0x43c/0x620 kernel/signal.c:2003
 posix_timer_event kernel/time/posix-timers.c:359 [inline]
 posix_timer_fn+0x16a/0x3d0 kernel/time/posix-timers.c:385
 __run_hrtimer kernel/time/hrtimer.c:1690 [inline]
 __hrtimer_run_queues+0x53d/0xc40 kernel/time/hrtimer.c:1754
 hrtimer_interrupt+0x3bb/0x8d0 kernel/time/hrtimer.c:1816
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline]
 __sysvec_apic_timer_interrupt+0x137/0x4a0 arch/x86/kernel/apic/apic.c:1114
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline]
 sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:169 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x25/0x40 kernel/locking/spinlock.c:202
Code: f6 ff 0f 1f 00 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 fe e9 b1 f7 48 89 df e8 c6 be b2 f7 e8 01 63 d3 f7 fb bf 01 00 00 00 <e8> f6 e2 a6 f7 65 8b 05 67 f3 57 76 85 c0 74 02 5b c3 e8 14 fe 55
RSP: 0018:ffffc90002f4fbc0 EFLAGS: 00000282
RAX: 0e694a50998f0300 RBX: ffff88802a5f0000 RCX: 0e694a50998f0300
RDX: dffffc0000000000 RSI: ffffffff8a0b0fc0 RDI: 0000000000000001
RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed10054be001
R10: ffffed10054be001 R11: 1ffff110054be000 R12: ffff88802a5f0000
R13: 0000000000000021 R14: dffffc0000000000 R15: 000000001c000004
 spin_unlock_irq include/linux/spinlock.h:413 [inline]
 get_signal+0x11d6/0x12c0 kernel/signal.c:2903
 arch_do_signal_or_restart+0xc1/0x1300 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0x9e/0x130 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:214
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x16/0x40 kernel/entry/common.c:307
 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fdafd087829
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 1d 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd209c12b8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 00007fdafd087829
RDX: 000020000006b000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffffffffffff R09: ffffffffffffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fdafd0d8036
R13: 00007ffd209c12f0 R14: 00007ffd209c1330 R15: 0000000000000000
 </TASK>
INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.100 msecs