./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor430882064

<...>
Warning: Permanently added '10.128.0.156' (ED25519) to the list of known hosts.
execve("./syz-executor430882064", ["./syz-executor430882064"], 0x7ffd0d919150 /* 10 vars */) = 0
brk(NULL)                               = 0x555594509000
brk(0x555594509d00)                     = 0x555594509d00
arch_prctl(ARCH_SET_FS, 0x555594509380) = 0
set_tid_address(0x555594509650)         = 5832
set_robust_list(0x555594509660, 24)     = 0
rseq(0x555594509ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor430882064", 4096) = 27
getrandom("\xd6\x0d\x43\x4c\x43\xc3\x9e\xe1", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x555594509d00
brk(0x55559452ad00)                     = 0x55559452ad00
brk(0x55559452b000)                     = 0x55559452b000
mprotect(0x7fce56f24000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
mkdir("/syzcgroup", 0777)               = 0
mkdir("/syzcgroup/unified", 0777)       = 0
mount("none", "/syzcgroup/unified", "cgroup2", 0, NULL) = 0
chmod("/syzcgroup/unified", 0777)       = 0
openat(AT_FDCWD, "/syzcgroup/unified/cgroup.subtree_control", O_WRONLY) = 3
write(3, "+cpu", 4)                     = 4
write(3, "+io", 3)                      = 3
write(3, "+pids", 5)                    = 5
close(3)                                = 0
mkdir("/syzcgroup/net", 0777)           = 0
mount("none", "/syzcgroup/net", "cgroup", 0, "net") = -1 EINVAL (Invalid argument)
mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio") = 0
umount2("/syzcgroup/net", 0)            = 0
[   83.772112][ T5832] cgroup: Unknown subsys name 'net'
mount("none", "/syzcgroup/net", "cgroup", 0, "devices") = 0
umount2("/syzcgroup/net", 0)            = 0
mount("none", "/syzcgroup/net", "cgroup", 0, "blkio") = 0
umount2("/syzcgroup/net", 0)            = 0
mount("none", "/syzcgroup/net", "cgroup", 0, "freezer") = 0
umount2("/syzcgroup/net", 0)            = 0
mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted)
mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted)
mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted)
mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted)
mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = 0
chmod("/syzcgroup/net", 0777)           = 0
mkdir("/syzcgroup/cpu", 0777)           = 0
mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset") = -1 EINVAL (Invalid argument)
mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct") = 0
umount2("/syzcgroup/cpu", 0)            = 0
mount("none", "/syzcgroup/cpu", "cgroup", 0, "hugetlb") = 0
umount2("/syzcgroup/cpu", 0)            = 0
mount("none", "/syzcgroup/cpu", "cgroup", 0, "rlimit") = -1 EINVAL (Invalid argument)
mount("none", "/syzcgroup/cpu", "cgroup", 0, "memory") = 0
umount2("/syzcgroup/cpu", 0)            = 0
[   83.989711][ T5832] cgroup: Unknown subsys name 'cpuset'
[   84.022709][ T5832] cgroup: Unknown subsys name 'rlimit'
mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted)
mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted)
mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted)
mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted)
mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = 0
chmod("/syzcgroup/cpu", 0777)           = 0
openat(AT_FDCWD, "/syzcgroup/cpu/cgroup.clone_children", O_WRONLY|O_CLOEXEC) = 3
write(3, "1", 1)                        = 1
close(3)                                = 0
openat(AT_FDCWD, "/syzcgroup/cpu/cpuset.memory_pressure_enabled", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
mkdir("./syzkaller.Z0ePBp", 0700)       = 0
chmod("./syzkaller.Z0ePBp", 0777)       = 0
chdir("./syzkaller.Z0ePBp")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5833 attached
, child_tidptr=0x555594509650) = 5833
[pid  5833] set_robust_list(0x555594509660, 24) = 0
[pid  5833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5833] getppid()                   = 0
[pid  5833] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  5833] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  5833] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  5833] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  5833] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid  5833] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  5833] unshare(CLONE_NEWNS)        = 0
[pid  5833] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  5833] unshare(CLONE_NEWIPC)       = 0
[pid  5833] unshare(CLONE_NEWCGROUP)    = 0
[pid  5833] unshare(CLONE_NEWUTS)       = 0
[pid  5833] unshare(CLONE_SYSVSEM)      = 0
[pid  5833] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5833] write(3, "16777216", 8)     = 8
[pid  5833] close(3)                    = 0
[pid  5833] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  5833] write(3, "536870912", 9)    = 9
[pid  5833] close(3)                    = 0
[pid  5833] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5833] write(3, "1024", 4)         = 4
[pid  5833] close(3)                    = 0
[pid  5833] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5833] write(3, "8192", 4)         = 4
[pid  5833] close(3)                    = 0
[pid  5833] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5833] write(3, "1024", 4)         = 4
[pid  5833] close(3)                    = 0
[pid  5833] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  5833] write(3, "1024", 4)         = 4
[pid  5833] close(3)                    = 0
[pid  5833] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  5833] write(3, "1024 1048576 500 1024", 21) = 21
[pid  5833] close(3)                    = 0
[pid  5833] getpid()                    = 1
[pid  5833] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PTRACE|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_NICE|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  5833] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, permitted=1<<CAP_CHOWN|1<<CAP_DAC_OVERRIDE|1<<CAP_DAC_READ_SEARCH|1<<CAP_FOWNER|1<<CAP_FSETID|1<<CAP_KILL|1<<CAP_SETGID|1<<CAP_SETUID|1<<CAP_SETPCAP|1<<CAP_LINUX_IMMUTABLE|1<<CAP_NET_BIND_SERVICE|1<<CAP_NET_BROADCAST|1<<CAP_NET_ADMIN|1<<CAP_NET_RAW|1<<CAP_IPC_LOCK|1<<CAP_IPC_OWNER|1<<CAP_SYS_MODULE|1<<CAP_SYS_RAWIO|1<<CAP_SYS_CHROOT|1<<CAP_SYS_PACCT|1<<CAP_SYS_ADMIN|1<<CAP_SYS_BOOT|1<<CAP_SYS_RESOURCE|1<<CAP_SYS_TIME|1<<CAP_SYS_TTY_CONFIG|1<<CAP_MKNOD|1<<CAP_LEASE|1<<CAP_AUDIT_WRITE|1<<CAP_AUDIT_CONTROL|1<<CAP_SETFCAP|1<<CAP_MAC_OVERRIDE|1<<CAP_MAC_ADMIN|1<<CAP_SYSLOG|1<<CAP_WAKE_ALARM|1<<CAP_BLOCK_SUSPEND|1<<CAP_AUDIT_READ|1<<CAP_PERFMON|1<<CAP_BPF|1<<CAP_CHECKPOINT_RESTORE, inheritable=0}) = 0
[pid  5833] unshare(CLONE_NEWNET)       = 0
[pid  5833] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  5833] write(3, "0 65535", 7)      = 7
[pid  5833] close(3)                    = 0
[pid  5833] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid  5833] write(3, "100000", 6)       = 6
[pid  5833] close(3)                    = 0
[pid  5833] mkdir("./syz-tmp", 0777)    = 0
[pid  5833] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid  5833] mkdir("./syz-tmp/newroot", 0777) = 0
[pid  5833] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid  5833] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5833] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid  5833] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid  5833] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid  5833] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5833] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5833] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid  5833] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5833] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5833] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5833] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5833] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid  5833] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5833] mkdir("./syz-tmp/newroot/syzcgroup", 0700) = 0
[pid  5833] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700) = 0
[pid  5833] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700) = 0
[pid  5833] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700) = 0
[pid  5833] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5833] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5833] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5833] mkdir("./syz-tmp/pivot", 0777) = 0
[pid  5833] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid  5833] chdir("/")                  = 0
[pid  5833] umount2("./pivot", MNT_DETACH) = 0
[pid  5833] chroot("./newroot")         = 0
[pid  5833] chdir("/")                  = 0
[pid  5833] mkdir("/dev/gadgetfs", 0777) = 0
[pid  5833] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = 0
[pid  5833] mkdir("/dev/binderfs", 0777) = 0
[pid  5833] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid  5833] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  5833] getpid()                    = 1
[pid  5833] mkdir("/syzcgroup/unified/syz0", 0777) = 0
[pid  5833] openat(AT_FDCWD, "/syzcgroup/unified/syz0/pids.max", O_WRONLY|O_CLOEXEC) = 3
[pid  5833] write(3, "32", 2)           = 2
[pid  5833] close(3)                    = 0
[pid  5833] openat(AT_FDCWD, "/syzcgroup/unified/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3
[pid  5833] write(3, "1", 1)            = 1
[pid  5833] close(3)                    = 0
[pid  5833] mkdir("/syzcgroup/cpu/syz0", 0777) = 0
[pid  5833] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3
[pid  5833] write(3, "1", 1)            = 1
[pid  5833] close(3)                    = 0
[pid  5833] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC) = 3
[pid  5833] write(3, "313524224", 9)    = 9
[pid  5833] close(3)                    = 0
[pid  5833] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC) = 3
[pid  5833] write(3, "314572800", 9)    = 9
[   85.234098][ T5833] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality.
[pid  5833] close(3)                    = 0
[pid  5833] mkdir("/syzcgroup/net/syz0", 0777) = 0
[pid  5833] openat(AT_FDCWD, "/syzcgroup/net/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC) = 3
[pid  5833] write(3, "1", 1)            = 1
[pid  5833] close(3)                    = 0
[pid  5833] mkdir("./0", 0777)          = 0
[pid  5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555594509650) = 2
./strace-static-x86_64: Process 5836 attached
[pid  5836] set_robust_list(0x555594509660, 24) = 0
[pid  5836] chdir("./0")                = 0
[pid  5836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5836] setpgid(0, 0)               = 0
[pid  5836] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0
[pid  5836] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0
[pid  5836] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0
[pid  5836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5836] write(3, "1000", 4)         = 4
[pid  5836] close(3)                    = 0
[pid  5836] symlink("/dev/binderfs", "./binderfs") = 0
[pid  5836] write(1, "executing program\n", 18executing program
) = 18
[pid  5836] openat(AT_FDCWD, "./cgroup/cgroup.procs", O_RDONLY) = 3
[pid  5836] clone3({flags=CLONE_NEWNS|CLONE_NEWUTS|CLONE_INTO_CGROUP, exit_signal=0, stack=NULL, stack_size=0, cgroup=3}, 88) = -1 EBADF (Bad file descriptor)
[pid  5836] close(3)                    = 0
[pid  5836] close(4)                    = -1 EBADF (Bad file descriptor)
[pid  5836] close(5)                    = -1 EBADF (Bad file descriptor)
[pid  5836] close(6)                    = -1 EBADF (Bad file descriptor)
[pid  5836] close(7)                    = -1 EBADF (Bad file descriptor)
[pid  5836] close(8)                    = -1 EBADF (Bad file descriptor)
[pid  5836] close(9)                    = -1 EBADF (Bad file descriptor)
[pid  5836] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  5836] close(11)                   = -1 EBADF (Bad file descriptor)
[pid  5836] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  5836] close(13)                   = -1 EBADF (Bad file descriptor)
[pid  5836] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  5836] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  5836] close(16)                   = -1 EBADF (Bad file descriptor)
[pid  5836] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  5836] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  5836] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  5836] close(20)                   = -1 EBADF (Bad file descriptor)
[pid  5836] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  5836] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  5836] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  5836] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  5836] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  5836] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  5836] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  5836] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  5836] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  5836] exit_group(0)               = ?
[pid  5836] +++ exited with 0 +++
[pid  5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} ---
[   85.493159][    C1] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI
[   85.505170][    C1] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
[   85.513605][    C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.16.0-rc2-next-20250620-syzkaller #0 PREEMPT(full) 
[   85.524708][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   85.534751][    C1] RIP: 0010:pidfs_free_pid+0xaf/0x140
[   85.540134][    C1] Code: f0 ff ff 73 e4 43 80 3c 3c 00 74 08 4c 89 f7 e8 67 19 de ff 49 83 3e 00 0f 85 84 00 00 00 e8 78 ee 79 ff 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 42 19 de ff 4c 8b 33 4d 85 f6 74
[   85.559816][    C1] RSP: 0018:ffffc90000a08b90 EFLAGS: 00010246
[   85.566049][    C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88801ceada00
[   85.574009][    C1] RDX: 0000000000000100 RSI: 0000000000000001 RDI: ffff8880745f4370
[   85.582053][    C1] RBP: 0000000000000001 R08: ffff8880745f4303 R09: 1ffff1100e8be860
[   85.590015][    C1] R10: dffffc0000000000 R11: ffffed100e8be861 R12: 1ffff1100e8be86d
[   85.597974][    C1] R13: ffffffff81a8bfb4 R14: ffff8880745f4368 R15: dffffc0000000000
[   85.605935][    C1] FS:  0000000000000000(0000) GS:ffff888125d26000(0000) knlGS:0000000000000000
[   85.614861][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   85.621442][    C1] CR2: 00007ffcc2d1bf28 CR3: 00000000745f2000 CR4: 00000000003526f0
[   85.629499][    C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   85.637473][    C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   85.645531][    C1] Call Trace:
[   85.648812][    C1]  <IRQ>
[   85.651654][    C1]  ? __pfx_delayed_put_pid+0x10/0x10
[   85.656943][    C1]  put_pid+0x9c/0x130
[   85.660925][    C1]  rcu_core+0xca5/0x1710
[   85.665174][    C1]  ? __pfx_rcu_core+0x10/0x10
[   85.669864][    C1]  ? sched_balance_domains+0x121/0x9e0
[   85.675324][    C1]  ? sched_balance_domains+0x8be/0x9e0
[   85.680780][    C1]  ? sched_balance_domains+0x121/0x9e0
[   85.686241][    C1]  handle_softirqs+0x286/0x870
[   85.691013][    C1]  ? __irq_exit_rcu+0xca/0x1f0
[   85.695779][    C1]  ? __pfx_handle_softirqs+0x10/0x10
[   85.701155][    C1]  ? irqtime_account_irq+0xb6/0x1c0
[   85.706356][    C1]  __irq_exit_rcu+0xca/0x1f0
[   85.710945][    C1]  ? __pfx___irq_exit_rcu+0x10/0x10
[   85.716145][    C1]  irq_exit_rcu+0x9/0x30
[   85.720392][    C1]  sysvec_apic_timer_interrupt+0xa6/0xc0
[   85.726042][    C1]  </IRQ>
[   85.729007][    C1]  <TASK>
[   85.731937][    C1]  asm_sysvec_apic_timer_interrupt+0x1a/0x20
[   85.737912][    C1] RIP: 0010:pv_native_safe_halt+0x13/0x20
[   85.743633][    C1] Code: 43 dd 02 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 83 d5 1a 00 f3 0f 1e fa fb f4 <e9> 18 dd 02 00 cc cc cc cc cc cc cc cc 90 90 90 90 90 90 90 90 90
[   85.763256][    C1] RSP: 0018:ffffc90000197de0 EFLAGS: 000002c6
[   85.769320][    C1] RAX: 5ef6bd65ac57ee00 RBX: ffffffff81975fd8 RCX: 5ef6bd65ac57ee00
[   85.777285][    C1] RDX: 0000000000000001 RSI: ffffffff8d991d22 RDI: ffffffff8be320a0
[   85.785249][    C1] RBP: ffffc90000197f20 R08: ffff8880b8732f1b R09: 1ffff110170e65e3
[   85.793219][    C1] R10: dffffc0000000000 R11: ffffed10170e65e4 R12: ffffffff8fa193f0
[   85.801189][    C1] R13: 0000000000000001 R14: 0000000000000001 R15: 1ffff110039d5b40
[   85.809160][    C1]  ? do_idle+0x1e8/0x510
[   85.813413][    C1]  default_idle+0x13/0x20
[   85.817744][    C1]  default_idle_call+0x74/0xb0
[   85.822504][    C1]  do_idle+0x1e8/0x510
[   85.826577][    C1]  ? __pfx_do_idle+0x10/0x10
[   85.831166][    C1]  ? _raw_spin_unlock_irqrestore+0x85/0x110
[   85.837061][    C1]  ? lockdep_hardirqs_on+0x9c/0x150
[   85.842254][    C1]  ? _raw_spin_unlock_irqrestore+0xad/0x110
[   85.848147][    C1]  ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10
[   85.854481][    C1]  cpu_startup_entry+0x44/0x60
[   85.859335][    C1]  start_secondary+0x101/0x110
[   85.864096][    C1]  common_startup_64+0x13e/0x147
[   85.869038][    C1]  </TASK>
[   85.872055][    C1] Modules linked in:
[   85.876019][    C1] ---[ end trace 0000000000000000 ]---
[   85.881494][    C1] RIP: 0010:pidfs_free_pid+0xaf/0x140
[   85.886919][    C1] Code: f0 ff ff 73 e4 43 80 3c 3c 00 74 08 4c 89 f7 e8 67 19 de ff 49 83 3e 00 0f 85 84 00 00 00 e8 78 ee 79 ff 48 89 d8 48 c1 e8 03 <42> 80 3c 38 00 74 08 48 89 df e8 42 19 de ff 4c 8b 33 4d 85 f6 74
[   85.906557][    C1] RSP: 0018:ffffc90000a08b90 EFLAGS: 00010246
[   85.912670][    C1] RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffff88801ceada00
[   85.920680][    C1] RDX: 0000000000000100 RSI: 0000000000000001 RDI: ffff8880745f4370
[   85.928779][    C1] RBP: 0000000000000001 R08: ffff8880745f4303 R09: 1ffff1100e8be860
[   85.936869][    C1] R10: dffffc0000000000 R11: ffffed100e8be861 R12: 1ffff1100e8be86d
[   85.944889][    C1] R13: ffffffff81a8bfb4 R14: ffff8880745f4368 R15: dffffc0000000000
[   85.952859][    C1] FS:  0000000000000000(0000) GS:ffff888125d26000(0000) knlGS:0000000000000000
[   85.961990][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   85.968609][    C1] CR2: 00007ffcc2d1bf28 CR3: 00000000745f2000 CR4: 00000000003526f0
[   85.976950][    C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   85.984977][    C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   85.992937][    C1] Kernel panic - not syncing: Fatal exception in interrupt
[   86.000273][    C1] Kernel Offset: disabled
[   86.004587][    C1] Rebooting in 86400 seconds..