./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4077111769

<...>
Warning: Permanently added '10.128.1.92' (ED25519) to the list of known hosts.
execve("./syz-executor4077111769", ["./syz-executor4077111769"], 0x7ffe1445ae00 /* 10 vars */) = 0
brk(NULL)                               = 0x55555c9ab000
brk(0x55555c9abd40)                     = 0x55555c9abd40
arch_prctl(ARCH_SET_FS, 0x55555c9ab3c0) = 0
set_tid_address(0x55555c9ab690)         = 5833
set_robust_list(0x55555c9ab6a0, 24)     = 0
rseq(0x55555c9abce0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor4077111769", 4096) = 28
getrandom("\xee\xc1\x07\x2b\x56\x6c\x85\xb2", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55555c9abd40
brk(0x55555c9ccd40)                     = 0x55555c9ccd40
brk(0x55555c9cd000)                     = 0x55555c9cd000
mprotect(0x7fd8d46ae000, 16384, PROT_READ) = 0
mmap(0x3ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x3ffffffff000
mmap(0x400000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400000000000
mmap(0x400001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x400001000000
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5834 attached
, child_tidptr=0x55555c9ab690) = 5834
[pid  5834] set_robust_list(0x55555c9ab6a0, 24) = 0
[pid  5834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[  126.242434][   T30] audit: type=1400 audit(1742468230.209:88): avc:  denied  { execmem } for  pid=5833 comm="syz-executor407" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[pid  5834] getppid()                   = 0
[pid  5834] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  5834] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  5834] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  5834] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  5834] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid  5834] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  5834] unshare(CLONE_NEWNS)        = 0
[pid  5834] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  5834] unshare(CLONE_NEWIPC)       = 0
[pid  5834] unshare(CLONE_NEWCGROUP)    = 0
[pid  5834] unshare(CLONE_NEWUTS)       = 0
[pid  5834] unshare(CLONE_SYSVSEM)      = 0
[pid  5834] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5834] write(3, "16777216", 8)     = 8
[  126.411268][   T30] audit: type=1400 audit(1742468230.379:89): avc:  denied  { mounton } for  pid=5834 comm="syz-executor407" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid  5834] close(3)                    = 0
[pid  5834] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  5834] write(3, "536870912", 9)    = 9
[pid  5834] close(3)                    = 0
[pid  5834] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5834] write(3, "1024", 4)         = 4
[pid  5834] close(3)                    = 0
[pid  5834] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  5834] write(3, "8192", 4)         = 4
[pid  5834] close(3)                    = 0
[pid  5834] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  5834] write(3, "1024", 4)         = 4
[pid  5834] close(3)                    = 0
[pid  5834] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  5834] write(3, "1024", 4)         = 4
[pid  5834] close(3)                    = 0
[pid  5834] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  5834] write(3, "1024 1048576 500 1024", 21) = 21
[pid  5834] close(3)                    = 0
[pid  5834] getpid()                    = 1
[pid  5834] 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  5834] 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  5834] unshare(CLONE_NEWNET)       = 0
[pid  5834] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  5834] write(3, "0 65535", 7)      = 7
[pid  5834] close(3)                    = 0
[pid  5834] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid  5834] write(3, "100000", 6)       = 6
[pid  5834] close(3)                    = 0
[pid  5834] mkdir("./syz-tmp", 0777)    = 0
[pid  5834] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid  5834] mkdir("./syz-tmp/newroot", 0777) = 0
[pid  5834] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid  5834] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[  126.889684][   T30] audit: type=1400 audit(1742468230.849:90): avc:  denied  { mounton } for  pid=5834 comm="syz-executor407" path="/root/syz-tmp" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[  126.912756][   T30] audit: type=1400 audit(1742468230.859:91): avc:  denied  { mount } for  pid=5834 comm="syz-executor407" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[pid  5834] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid  5834] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid  5834] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid  5834] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid  5834] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5834] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid  5834] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[  126.935993][   T30] audit: type=1400 audit(1742468230.899:92): avc:  denied  { mounton } for  pid=5834 comm="syz-executor407" path="/root/syz-tmp/newroot/dev" dev="tmpfs" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1
[  126.960210][   T30] audit: type=1400 audit(1742468230.899:93): avc:  denied  { mount } for  pid=5834 comm="syz-executor407" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[pid  5834] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid  5834] 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  5834] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[  127.007434][   T30] audit: type=1400 audit(1742468230.969:94): avc:  denied  { mounton } for  pid=5834 comm="syz-executor407" path="/root/syz-tmp/newroot/sys/kernel/debug" dev="debugfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:debugfs_t tclass=dir permissive=1
[pid  5834] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid  5834] 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  5834] mkdir("./syz-tmp/pivot", 0777) = 0
[pid  5834] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid  5834] chdir("/")                  = 0
[  127.032810][   T30] audit: type=1400 audit(1742468230.989:95): avc:  denied  { mounton } for  pid=5834 comm="syz-executor407" path="/root/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=4799 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[pid  5834] umount2("./pivot", MNT_DETACH) = 0
[pid  5834] chroot("./newroot")         = 0
[pid  5834] chdir("/")                  = 0
[  127.103993][   T30] audit: type=1400 audit(1742468231.069:96): avc:  denied  { unmount } for  pid=5834 comm="syz-executor407" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[pid  5834] mkdir("/dev/gadgetfs", 0777) = 0
[pid  5834] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = 0
[pid  5834] mkdir("/dev/binderfs", 0777) = 0
[pid  5834] mount("binder", "/dev/binderfs", "binder", 0, NULL) = -1 ENODEV (No such device)
[pid  5834] symlink("/dev/binderfs", "./binderfs") = 0
[  127.176594][   T30] audit: type=1400 audit(1742468231.139:97): avc:  denied  { mounton } for  pid=5834 comm="syz-executor407" path="/dev/gadgetfs" dev="devtmpfs" ino=2727 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[pid  5834] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  5834] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5838 attached
, child_tidptr=0x55555c9ab690) = 2
[pid  5838] set_robust_list(0x55555c9ab6a0, 24) = 0
[pid  5838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5838] setpgid(0, 0)               = 0
[pid  5838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5838] write(3, "1000", 4)         = 4
[pid  5838] close(3)                    = 0
[pid  5838] write(1, "executing program\n", 18executing program
) = 18
[pid  5838] futex(0x7fd8d46b432c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5838] rt_sigaction(SIGRT_1, {sa_handler=0x7fd8d4652800, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fd8d4643e80}, NULL, 8) = 0
[pid  5838] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
[pid  5838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd8d45c4000
[pid  5838] mprotect(0x7fd8d45c5000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5838] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5838] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd8d45e4990, parent_tid=0x7fd8d45e4990, exit_signal=0, stack=0x7fd8d45c4000, stack_size=0x20300, tls=0x7fd8d45e46c0}./strace-static-x86_64: Process 5839 attached
 <unfinished ...>
[pid  5839] rseq(0x7fd8d45e4fe0, 0x20, 0, 0x53053053 <unfinished ...>
[pid  5838] <... clone3 resumed> => {parent_tid=[3]}, 88) = 3
[pid  5839] <... rseq resumed>)         = 0
[pid  5839] set_robust_list(0x7fd8d45e49a0, 24 <unfinished ...>
[pid  5838] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5839] <... set_robust_list resumed>) = 0
[pid  5838] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5839] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5838] futex(0x7fd8d46b4328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5839] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5838] <... futex resumed>)        = 0
[pid  5838] futex(0x7fd8d46b432c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5839] openat(AT_FDCWD, "/dev/nbd0", O_RDONLY) = 3
[pid  5839] futex(0x7fd8d46b432c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5839] futex(0x7fd8d46b4328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5838] <... futex resumed>)        = 0
[pid  5838] futex(0x7fd8d46b4328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5839] <... futex resumed>)        = 0
[pid  5838] <... futex resumed>)        = 1
[pid  5839] socketpair(AF_UNIX, SOCK_STREAM, 0,  <unfinished ...>
[pid  5838] futex(0x7fd8d46b432c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5839] <... socketpair resumed>[4, 5]) = 0
[pid  5839] futex(0x7fd8d46b432c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5838] <... futex resumed>)        = 0
[pid  5839] futex(0x7fd8d46b4328, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5838] futex(0x7fd8d46b4328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5839] <... futex resumed>)        = -1 EAGAIN (Resource temporarily unavailable)
[pid  5838] <... futex resumed>)        = 0
[pid  5839] ioctl(3, NBD_SET_SOCK, 4 <unfinished ...>
[pid  5838] futex(0x7fd8d46b432c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5839] <... ioctl resumed>)        = 0
[pid  5839] futex(0x7fd8d46b432c, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5838] <... futex resumed>)        = 0
[pid  5839] <... futex resumed>)        = 1
[pid  5838] futex(0x7fd8d46b4328, FUTEX_WAKE_PRIVATE, 1000000 <unfinished ...>
[pid  5839] ioctl(3, NBD_DO_IT <unfinished ...>
[pid  5838] <... futex resumed>)        = 0
[pid  5838] futex(0x7fd8d46b432c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out)
[pid  5838] futex(0x7fd8d46b433c, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5838] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fd8d45a3000
[pid  5838] mprotect(0x7fd8d45a4000, 131072, PROT_READ|PROT_WRITE) = 0
[pid  5838] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0
[pid  5838] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fd8d45c3990, parent_tid=0x7fd8d45c3990, exit_signal=0, stack=0x7fd8d45a3000, stack_size=0x20300, tls=0x7fd8d45c36c0}./strace-static-x86_64: Process 5840 attached
 <unfinished ...>
[pid  5840] rseq(0x7fd8d45c3fe0, 0x20, 0, 0x53053053) = 0
[pid  5840] set_robust_list(0x7fd8d45c39a0, 24 <unfinished ...>
[pid  5838] <... clone3 resumed> => {parent_tid=[4]}, 88) = 4
[pid  5840] <... set_robust_list resumed>) = 0
[pid  5838] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5840] rt_sigprocmask(SIG_SETMASK, [],  <unfinished ...>
[pid  5838] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5840] <... rt_sigprocmask resumed>NULL, 8) = 0
[pid  5840] ioctl(3, NBD_SET_SIZE, 2147483647 <unfinished ...>
[pid  5838] futex(0x7fd8d46b4338, FUTEX_WAKE_PRIVATE, 1000000) = 0
[pid  5838] futex(0x7fd8d46b433c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} <unfinished ...>
[pid  5840] <... ioctl resumed>)        = 0
[pid  5840] futex(0x7fd8d46b433c, FUTEX_WAKE_PRIVATE, 1000000) = 1
[pid  5840] futex(0x7fd8d46b4338, FUTEX_WAIT_PRIVATE, 0, NULL <unfinished ...>
[pid  5838] <... futex resumed>)        = 0
[  127.590174][ T5840] nbd0: detected capacity change from 0 to 4194303
[pid  5838] close(3)                    = 0
[pid  5838] close(4)                    = 0
[pid  5838] close(5)                    = 0
[pid  5838] close(6)                    = -1 EBADF (Bad file descriptor)
[pid  5838] close(7)                    = -1 EBADF (Bad file descriptor)
[pid  5838] close(8)                    = -1 EBADF (Bad file descriptor)
[pid  5838] close(9)                    = -1 EBADF (Bad file descriptor)
[pid  5838] close(10)                   = -1 EBADF (Bad file descriptor)
[pid  5838] close(11)                   = -1 EBADF (Bad file descriptor)
[  127.762516][   T54] block nbd0: Receive control failed (result -104)
[pid  5838] close(12)                   = -1 EBADF (Bad file descriptor)
[pid  5838] close(13)                   = -1 EBADF (Bad file descriptor)
[pid  5838] close(14)                   = -1 EBADF (Bad file descriptor)
[pid  5838] close(15)                   = -1 EBADF (Bad file descriptor)
[pid  5838] close(16)                   = -1 EBADF (Bad file descriptor)
[pid  5838] close(17)                   = -1 EBADF (Bad file descriptor)
[pid  5838] close(18)                   = -1 EBADF (Bad file descriptor)
[pid  5838] close(19)                   = -1 EBADF (Bad file descriptor)
[pid  5838] close(20)                   = -1 EBADF (Bad file descriptor)
[pid  5838] close(21)                   = -1 EBADF (Bad file descriptor)
[pid  5838] close(22)                   = -1 EBADF (Bad file descriptor)
[pid  5838] close(23)                   = -1 EBADF (Bad file descriptor)
[pid  5838] close(24)                   = -1 EBADF (Bad file descriptor)
[pid  5838] close(25)                   = -1 EBADF (Bad file descriptor)
[pid  5838] close(26)                   = -1 EBADF (Bad file descriptor)
[pid  5838] close(27)                   = -1 EBADF (Bad file descriptor)
[pid  5838] close(28)                   = -1 EBADF (Bad file descriptor)
[pid  5838] close(29)                   = -1 EBADF (Bad file descriptor)
[pid  5838] exit_group(0 <unfinished ...>
[pid  5840] <... futex resumed>)        = ?
[pid  5838] <... exit_group resumed>)   = ?
[pid  5840] +++ exited with 0 +++
[pid  5834] kill(-2, SIGKILL)           = 0
[pid  5834] kill(2, SIGKILL)            = 0
[pid  5834] openat(AT_FDCWD, "/sys/fs/fuse/connections", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid  5834] newfstatat(3, "", {st_mode=S_IFDIR|0755, st_size=0, ...}, AT_EMPTY_PATH) = 0
[pid  5834] getdents64(3, 0x55555c9ac730 /* 2 entries */, 32768) = 48
[pid  5834] getdents64(3, 0x55555c9ac730 /* 0 entries */, 32768) = 0
[pid  5834] close(3)                    = 0
[  158.110961][   T59] block nbd0: Possible stuck request ffff888026027000: control (read@0,4096B). Runtime 30 seconds
[  187.667161][ T5192] udevd[5192]: worker [5835] /devices/virtual/block/nbd0 is taking a long time
[  188.190847][   T11] block nbd0: Possible stuck request ffff888026027000: control (read@0,4096B). Runtime 60 seconds
[  218.270387][   T59] block nbd0: Possible stuck request ffff888026027000: control (read@0,4096B). Runtime 90 seconds
[  248.350328][   T59] block nbd0: Possible stuck request ffff888026027000: control (read@0,4096B). Runtime 120 seconds
[  278.430399][   T59] block nbd0: Possible stuck request ffff888026027000: control (read@0,4096B). Runtime 150 seconds
[  286.110751][   T31] INFO: task syz-executor407:5839 blocked for more than 143 seconds.
[  286.118886][   T31]       Not tainted 6.14.0-rc7-syzkaller-00074-ga7f2e10ecd8f #0
[  286.126591][   T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  286.135364][   T31] task:syz-executor407 state:D stack:27056 pid:5839  tgid:5838  ppid:5834   task_flags:0x400140 flags:0x00004006
[  286.147384][   T31] Call Trace:
[  286.150689][   T31]  <TASK>
[  286.153606][   T31]  __schedule+0xf43/0x5890
[  286.158022][   T31]  ? __pfx___lock_acquire+0x10/0x10
[  286.163237][   T31]  ? __pfx___lock_acquire+0x10/0x10
[  286.168442][   T31]  ? __pfx___schedule+0x10/0x10
[  286.173304][   T31]  ? schedule+0x298/0x350
[  286.177645][   T31]  ? __pfx_lock_release+0x10/0x10
[  286.182717][   T31]  ? __mutex_trylock_common+0x78/0x250
[  286.188182][   T31]  ? lock_acquire+0x2f/0xb0
[  286.192702][   T31]  ? schedule+0x1fd/0x350
[  286.197030][   T31]  schedule+0xe7/0x350
[  286.201118][   T31]  schedule_preempt_disabled+0x13/0x30
[  286.206573][   T31]  __mutex_lock+0x6bd/0xb10
[  286.211085][   T31]  ? lock_acquire.part.0+0x11b/0x380
[  286.216371][   T31]  ? bdev_release+0x15a/0x6d0
[  286.221069][   T31]  ? __pfx___mutex_lock+0x10/0x10
[  286.226091][   T31]  ? __pfx_lock_release+0x10/0x10
[  286.231144][   T31]  ? locks_remove_file+0x34c/0x5a0
[  286.236253][   T31]  ? do_raw_spin_unlock+0x172/0x230
[  286.241735][   T31]  ? bdev_release+0x15a/0x6d0
[  286.246440][   T31]  bdev_release+0x15a/0x6d0
[  286.251008][   T31]  ? task_work_run+0x126/0x250
[  286.255786][   T31]  ? __pfx_blkdev_release+0x10/0x10
[  286.261073][   T31]  blkdev_release+0x15/0x20
[  286.265590][   T31]  __fput+0x3ff/0xb70
[  286.269557][   T31]  task_work_run+0x14e/0x250
[  286.274199][   T31]  ? __pfx_task_work_run+0x10/0x10
[  286.279309][   T31]  ? __pfx_task_work_add+0x10/0x10
[  286.284490][   T31]  ? __pfx_blkdev_ioctl+0x10/0x10
[  286.289509][   T31]  ? selinux_file_ioctl+0x180/0x270
[  286.294773][   T31]  ptrace_notify+0x10e/0x130
[  286.299378][   T31]  syscall_exit_to_user_mode_prepare+0x126/0x290
[  286.305772][   T31]  syscall_exit_to_user_mode+0x11/0x2a0
[  286.311360][   T31]  do_syscall_64+0xda/0x250
[  286.315852][   T31]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[  286.321801][   T31] RIP: 0033:0x7fd8d462c839
[  286.326206][   T31] RSP: 002b:00007fd8d45e4218 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  286.334643][   T31] RAX: 0000000000000000 RBX: 00007fd8d46b4328 RCX: 00007fd8d462c839
[  286.342665][   T31] RDX: 0000000000000000 RSI: 000000000000ab03 RDI: 0000000000000003
[  286.350664][   T31] RBP: 00007fd8d46b4320 R08: 0000000000000000 R09: 0000000000000000
[  286.358625][   T31] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd8d46b432c
[  286.366642][   T31] R13: 00007fd8d468135c R14: 64626e2f7665642f R15: 0000400000000000
[  286.374636][   T31]  </TASK>
[  286.377664][   T31] 
[  286.377664][   T31] Showing all locks held in the system:
[  286.385443][   T31] 1 lock held by khungtaskd/31:
[  286.390313][   T31]  #0: ffffffff8e1bd140 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x7f/0x390
[  286.400241][   T31] 2 locks held by getty/5570:
[  286.404902][   T31]  #0: ffff8880364aa0a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80
[  286.414660][   T31]  #1: ffffc900033332f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0xfba/0x1480
[  286.424811][   T31] 1 lock held by udevd/5835:
[  286.429372][   T31]  #0: ffff888025bca4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_open+0x41a/0xe20
[  286.438700][   T31] 1 lock held by syz-executor407/5839:
[  286.444164][   T31]  #0: ffff888025bca4c8 (&disk->open_mutex){+.+.}-{4:4}, at: bdev_release+0x15a/0x6d0
[  286.453758][   T31] 
[  286.456071][   T31] =============================================
[  286.456071][   T31] 
[  286.464496][   T31] NMI backtrace for cpu 1
[  286.464505][   T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.14.0-rc7-syzkaller-00074-ga7f2e10ecd8f #0
[  286.464523][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  286.464532][   T31] Call Trace:
[  286.464537][   T31]  <TASK>
[  286.464543][   T31]  dump_stack_lvl+0x116/0x1f0
[  286.464570][   T31]  nmi_cpu_backtrace+0x27b/0x390
[  286.464588][   T31]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  286.464612][   T31]  nmi_trigger_cpumask_backtrace+0x29c/0x300
[  286.464632][   T31]  watchdog+0xf62/0x12b0
[  286.464670][   T31]  ? __pfx_watchdog+0x10/0x10
[  286.464693][   T31]  ? lockdep_hardirqs_on+0x7c/0x110
[  286.464716][   T31]  ? __kthread_parkme+0x148/0x220
[  286.464734][   T31]  ? __pfx_watchdog+0x10/0x10
[  286.464759][   T31]  kthread+0x3af/0x750
[  286.464779][   T31]  ? __pfx_kthread+0x10/0x10
[  286.464802][   T31]  ? __pfx_kthread+0x10/0x10
[  286.464822][   T31]  ret_from_fork+0x45/0x80
[  286.464843][   T31]  ? __pfx_kthread+0x10/0x10
[  286.464863][   T31]  ret_from_fork_asm+0x1a/0x30
[  286.464891][   T31]  </TASK>
[  286.464897][   T31] Sending NMI from CPU 1 to CPUs 0:
[  286.576253][    C0] NMI backtrace for cpu 0 skipped: idling at acpi_safe_halt+0x1a/0x20
[  286.577244][   T31] Kernel panic - not syncing: hung_task: blocked tasks
[  286.577254][   T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.14.0-rc7-syzkaller-00074-ga7f2e10ecd8f #0
[  286.577272][   T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  286.577281][   T31] Call Trace:
[  286.577286][   T31]  <TASK>
[  286.577293][   T31]  dump_stack_lvl+0x3d/0x1f0
[  286.577316][   T31]  panic+0x71d/0x800
[  286.577333][   T31]  ? __pfx_panic+0x10/0x10
[  286.577348][   T31]  ? __pfx__printk+0x10/0x10
[  286.577367][   T31]  ? ret_from_fork_asm+0x1a/0x30
[  286.577387][   T31]  ? irq_work_claim+0x76/0xa0
[  286.577409][   T31]  ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[  286.577429][   T31]  ? irq_work_queue+0x2a/0x80
[  286.577450][   T31]  ? watchdog+0xdcc/0x12b0
[  286.577471][   T31]  ? watchdog+0xdbf/0x12b0
[  286.577495][   T31]  watchdog+0xddd/0x12b0
[  286.577519][   T31]  ? __pfx_watchdog+0x10/0x10
[  286.577540][   T31]  ? lockdep_hardirqs_on+0x7c/0x110
[  286.577560][   T31]  ? __kthread_parkme+0x148/0x220
[  286.577576][   T31]  ? __pfx_watchdog+0x10/0x10
[  286.577598][   T31]  kthread+0x3af/0x750
[  286.577616][   T31]  ? __pfx_kthread+0x10/0x10
[  286.577637][   T31]  ? __pfx_kthread+0x10/0x10
[  286.577655][   T31]  ret_from_fork+0x45/0x80
[  286.577674][   T31]  ? __pfx_kthread+0x10/0x10
[  286.577691][   T31]  ret_from_fork_asm+0x1a/0x30
[  286.577715][   T31]  </TASK>
[  286.718000][   T31] Kernel Offset: disabled
[  286.722299][   T31] Rebooting in 86400 seconds..