./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2331290833

<...>
Warning: Permanently added '10.128.0.65' (ED25519) to the list of known hosts.
execve("./syz-executor2331290833", ["./syz-executor2331290833"], 0x7ffc93167bc0 /* 10 vars */) = 0
brk(NULL)                               = 0x55559155e000
brk(0x55559155ee00)                     = 0x55559155ee00
arch_prctl(ARCH_SET_FS, 0x55559155e480) = 0
set_tid_address(0x55559155e750)         = 288
set_robust_list(0x55559155e760, 24)     = 0
rseq(0x55559155eda0, 0x20, 0, 0x53053053) = -1 ENOSYS (Function not implemented)
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2331290833", 4096) = 28
getrandom("\x53\x82\x4c\x40\x4d\xe2\xf6\x3c", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55559155ee00
brk(0x55559157fe00)                     = 0x55559157fe00
brk(0x555591580000)                     = 0x555591580000
mprotect(0x7f9c181d4000, 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
rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0
rt_sigaction(SIGSEGV, {sa_handler=0x7f9c1812adf0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f9c18132b40}, NULL, 8) = 0
rt_sigaction(SIGBUS, {sa_handler=0x7f9c1812adf0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f9c18132b40}, NULL, 8) = 0
mkdir("./syzkaller.156h7Q", 0700)       = 0
chmod("./syzkaller.156h7Q", 0777)       = 0
chdir("./syzkaller.156h7Q")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55559155e750) = 289
./strace-static-x86_64: Process 289 attached
[pid   289] set_robust_list(0x55559155e760, 24) = 0
[pid   289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   289] getppid()                   = 0
[pid   289] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid   289] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid   289] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid   289] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid   289] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid   289] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid   289] unshare(CLONE_NEWNS)        = 0
[pid   289] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid   289] unshare(CLONE_NEWIPC)       = -1 EINVAL (Invalid argument)
[pid   289] unshare(CLONE_NEWCGROUP)    = 0
[pid   289] unshare(CLONE_NEWUTS)       = 0
[pid   289] unshare(CLONE_SYSVSEM)      = 0
[pid   289] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   289] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   289] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   289] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   289] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   289] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   289] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory)
[pid   289] getpid()                    = 1
[pid   289] 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   289] 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   289] unshare(CLONE_NEWNET)       = 0
[pid   289] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid   289] write(3, "0 65535", 7)      = 7
[pid   289] close(3)                    = 0
[pid   289] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid   289] write(3, "100000", 6)       = 6
[pid   289] close(3)                    = 0
[pid   289] mkdir("./syz-tmp", 0777)    = 0
[   26.842691][   T30] audit: type=1400 audit(1749100477.493:64): avc:  denied  { execmem } for  pid=288 comm="syz-executor233" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   26.865499][   T30] audit: type=1400 audit(1749100477.513:65): avc:  denied  { mounton } for  pid=289 comm="syz-executor233" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1
[pid   289] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid   289] mkdir("./syz-tmp/newroot", 0777) = 0
[pid   289] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid   289] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   289] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid   289] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid   289] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid   289] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid   289] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   289] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid   289] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   289] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   289] 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   289] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid   289] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0
[pid   289] 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   289] mkdir("./syz-tmp/pivot", 0777) = 0
[pid   289] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid   289] chdir("/")                  = 0
[pid   289] umount2("./pivot", MNT_DETACH) = 0
[pid   289] chroot("./newroot")         = 0
[pid   289] chdir("/")                  = 0
[pid   289] mkdir("/dev/gadgetfs", 0777) = 0
[   26.893988][   T30] audit: type=1400 audit(1749100477.543:66): avc:  denied  { mounton } for  pid=289 comm="syz-executor233" path="/root/syzkaller.156h7Q/syz-tmp" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   26.918918][   T30] audit: type=1400 audit(1749100477.543:67): avc:  denied  { mount } for  pid=289 comm="syz-executor233" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1
[pid   289] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL) = -1 ENODEV (No such device)
[pid   289] mkdir("/dev/binderfs", 0777) = 0
[pid   289] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid   289] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid   289] mkdir("./0", 0777)          = 0
[pid   289] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
[pid   289] ioctl(3, LOOP_CLR_FD)       = -1 ENXIO (No such device or address)
[pid   289] close(3)                    = 0
[pid   289] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55559155e750) = 2
./strace-static-x86_64: Process 291 attached
[pid   291] set_robust_list(0x55559155e760, 24) = 0
[pid   291] chdir("./0")                = 0
[pid   291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   291] setpgid(0, 0)               = 0
[pid   291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   291] write(3, "1000", 4)         = 4
[pid   291] close(3)                    = 0
[pid   291] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid   291] write(1, "executing program\n", 18) = 18
[pid   291] mkdir("./file0", 0777)      = 0
[pid   291] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid   291] open_tree(AT_FDCWD, "", OPEN_TREE_CLONE|OPEN_TREE_CLOEXEC|AT_SYMLINK_NOFOLLOW|AT_NO_AUTOMOUNT|AT_EMPTY_PATH|AT_RECURSIVE) = 3
[pid   291] move_mount(3, ".", AT_FDCWD, "./file0", 0) = 0
[   26.941579][   T30] audit: type=1400 audit(1749100477.573:68): avc:  denied  { mounton } for  pid=289 comm="syz-executor233" path="/root/syzkaller.156h7Q/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
[   26.943790][  T289] request_module fs-gadgetfs succeeded, but still no fs?
[pid   291] mount("./file0", "./file0", "incremental-fs", 0, NULL) = 0
[pid   291] close(3)                    = 0
[pid   291] close(4)                    = -1 EBADF (Bad file descriptor)
[pid   291] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   291] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   291] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   291] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   291] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   291] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(17)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   291] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   291] exit_group(0)               = ?
[pid   291] +++ exited with 0 +++
[pid   289] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=0} ---
[pid   289] restart_syscall(<... resuming interrupted clone ...>) = 0
[pid   289] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   289] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[pid   289] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0
[pid   289] getdents64(3, 0x55559155f7f0 /* 6 entries */, 32768) = 176
[pid   289] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   289] newfstatat(AT_FDCWD, "./0/.incomplete", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   289] umount2("./0/.incomplete", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   289] openat(AT_FDCWD, "./0/.incomplete", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   289] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   289] getdents64(4, 0x555591567830 /* 2 entries */, 32768) = 48
[pid   289] getdents64(4, 0x555591567830 /* 0 entries */, 32768) = 0
[pid   289] close(4)                    = 0
[pid   289] rmdir("./0/.incomplete")    = 0
[pid   289] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   289] newfstatat(AT_FDCWD, "./0/.index", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_SYMLINK_NOFOLLOW) = 0
[pid   289] umount2("./0/.index", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[pid   289] openat(AT_FDCWD, "./0/.index", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
[pid   289] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=40, ...}, AT_EMPTY_PATH) = 0
[pid   289] getdents64(4, 0x555591567830 /* 2 entries */, 32768) = 48
[pid   289] getdents64(4, 0x555591567830 /* 0 entries */, 32768) = 0
[pid   289] close(4)                    = 0
[pid   289] rmdir("./0/.index")         = 0
[   26.967405][   T30] audit: type=1400 audit(1749100477.573:69): avc:  denied  { mount } for  pid=289 comm="syz-executor233" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   26.990603][  T291] incfs: ino conflict with backing FS 9
[   27.009097][   T30] audit: type=1400 audit(1749100477.573:70): avc:  denied  { mounton } for  pid=289 comm="syz-executor233" path="/root/syzkaller.156h7Q/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
[   27.036547][  T289] ------------[ cut here ]------------
[   27.036787][   T30] audit: type=1400 audit(1749100477.573:71): avc:  denied  { mounton } for  pid=289 comm="syz-executor233" path="/root/syzkaller.156h7Q/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=542 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   27.042027][  T289] WARNING: CPU: 0 PID: 289 at fs/inode.c:332 drop_nlink+0xc5/0x110
[   27.069632][   T30] audit: type=1400 audit(1749100477.573:72): avc:  denied  { unmount } for  pid=289 comm="syz-executor233" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   27.069666][   T30] audit: type=1400 audit(1749100477.593:73): avc:  denied  { mounton } for  pid=289 comm="syz-executor233" path="/dev/gadgetfs" dev="devtmpfs" ino=556 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1
[   27.078182][  T289] Modules linked in:
[   27.124556][  T289] CPU: 0 PID: 289 Comm: syz-executor233 Not tainted 5.15.184-syzkaller-00129-g4032a894ccb2 #0
[   27.134876][  T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   27.145013][  T289] RIP: 0010:drop_nlink+0xc5/0x110
[   27.150129][  T289] Code: 1b 48 8d bb b8 04 00 00 be 08 00 00 00 e8 53 3d f2 ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 ab c9 b3 ff <0f> 0b eb 86 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5e ff ff ff 4c
[   27.169916][  T289] RSP: 0018:ffffc90000947ba8 EFLAGS: 00010293
[   27.176151][  T289] RAX: ffffffff81b4db35 RBX: ffff888122b89778 RCX: ffff88811d6c4f00
[   27.184350][  T289] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   27.192661][  T289] RBP: ffffc90000947bd0 R08: 0000000000000004 R09: 0000000000000003
[   27.201096][  T289] R10: fffff52000128f64 R11: 1ffff92000128f64 R12: dffffc0000000000
[   27.209110][  T289] R13: 1ffff110245712f8 R14: ffff888122b897c0 R15: 0000000000000000
[   27.217128][  T289] FS:  000055559155e480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   27.226287][  T289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.232896][  T289] CR2: 00005559ec167608 CR3: 00000001220bd000 CR4: 00000000003506b0
[   27.241113][  T289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   27.249656][  T289] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   27.258251][  T289] Call Trace:
[   27.261544][  T289]  <TASK>
[   27.264563][  T289]  shmem_rmdir+0x5b/0x90
[   27.269024][  T289]  vfs_rmdir+0x313/0x460
[   27.273424][  T289]  incfs_kill_sb+0x105/0x220
[   27.278443][  T289]  deactivate_locked_super+0xa0/0x100
[   27.283932][  T289]  deactivate_super+0xaf/0xe0
[   27.288839][  T289]  cleanup_mnt+0x446/0x500
[   27.293396][  T289]  __cleanup_mnt+0x19/0x20
[   27.298367][  T289]  task_work_run+0x127/0x190
[   27.303386][  T289]  ptrace_notify+0x212/0x250
[   27.308755][  T289]  ? do_notify_parent+0x800/0x800
[   27.314036][  T289]  ? user_path_at_empty+0x161/0x1c0
[   27.320178][  T289]  ? __x64_sys_umount+0x125/0x160
[   27.325971][  T289]  ? path_umount+0xf90/0xf90
[   27.330954][  T289]  syscall_exit_work+0x87/0x160
[   27.336051][  T289]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   27.342332][  T289]  syscall_exit_to_user_mode+0xd/0x30
[   27.347828][  T289]  do_syscall_64+0x58/0xa0
[   27.352488][  T289]  ? clear_bhb_loop+0x50/0xa0
[   27.357191][  T289]  ? clear_bhb_loop+0x50/0xa0
[   27.362126][  T289]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   27.368099][  T289] RIP: 0033:0x7f9c18161247
[   27.372556][  T289] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[   27.392300][  T289] RSP: 002b:00007ffc86b7c928 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   27.400923][  T289] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9c18161247
[   27.408946][  T289] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc86b7c9e0
[   27.417001][  T289] RBP: 00007ffc86b7c9e0 R08: 0000000000000000 R09: 0000000000000000
[   27.424965][  T289] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffc86b7da50
[   27.433223][  T289] R13: 000055559155f7c0 R14: 431bde82d7b634db R15: 00007ffc86b7da70
[   27.441347][  T289]  </TASK>
[   27.444363][  T289] ---[ end trace 792b8123d8866b58 ]---
[   27.449913][  T289] ==================================================================
[   27.457979][  T289] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   27.464211][  T289] Write of size 4 at addr 0000000000000170 by task syz-executor233/289
[   27.472629][  T289] 
[   27.475059][  T289] CPU: 0 PID: 289 Comm: syz-executor233 Tainted: G        W         5.15.184-syzkaller-00129-g4032a894ccb2 #0
[   27.487225][  T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   27.497449][  T289] Call Trace:
[   27.500733][  T289]  <TASK>
[   27.503661][  T289]  __dump_stack+0x21/0x30
[   27.508170][  T289]  dump_stack_lvl+0xee/0x150
[   27.512762][  T289]  ? show_regs_print_info+0x20/0x20
[   27.517987][  T289]  ? _raw_spin_lock+0x8e/0xe0
[   27.522687][  T289]  ? _raw_spin_trylock_bh+0x130/0x130
[   27.528053][  T289]  ? ihold+0x20/0x60
[   27.532054][  T289]  kasan_report+0xe7/0x140
[   27.536528][  T289]  ? ihold+0x20/0x60
[   27.540437][  T289]  kasan_check_range+0x280/0x290
[   27.545379][  T289]  __kasan_check_write+0x14/0x20
[   27.550312][  T289]  ihold+0x20/0x60
[   27.554024][  T289]  vfs_rmdir+0x1f0/0x460
[   27.558342][  T289]  incfs_kill_sb+0x105/0x220
[   27.562931][  T289]  deactivate_locked_super+0xa0/0x100
[   27.568288][  T289]  deactivate_super+0xaf/0xe0
[   27.572962][  T289]  cleanup_mnt+0x446/0x500
[   27.577473][  T289]  __cleanup_mnt+0x19/0x20
[   27.581995][  T289]  task_work_run+0x127/0x190
[   27.586587][  T289]  ptrace_notify+0x212/0x250
[   27.591184][  T289]  ? do_notify_parent+0x800/0x800
[   27.596322][  T289]  ? user_path_at_empty+0x161/0x1c0
[   27.601553][  T289]  ? __x64_sys_umount+0x125/0x160
[   27.606575][  T289]  ? path_umount+0xf90/0xf90
[   27.611289][  T289]  syscall_exit_work+0x87/0x160
[   27.616209][  T289]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   27.622367][  T289]  syscall_exit_to_user_mode+0xd/0x30
[   27.627836][  T289]  do_syscall_64+0x58/0xa0
[   27.632428][  T289]  ? clear_bhb_loop+0x50/0xa0
[   27.637193][  T289]  ? clear_bhb_loop+0x50/0xa0
[   27.642039][  T289]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   27.647949][  T289] RIP: 0033:0x7f9c18161247
[   27.652364][  T289] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[   27.672930][  T289] RSP: 002b:00007ffc86b7c928 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   27.681542][  T289] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9c18161247
[   27.689759][  T289] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc86b7c9e0
[   27.698002][  T289] RBP: 00007ffc86b7c9e0 R08: 0000000000000000 R09: 0000000000000000
[   27.706064][  T289] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffc86b7da50
[   27.714033][  T289] R13: 000055559155f7c0 R14: 431bde82d7b634db R15: 00007ffc86b7da70
[   27.722002][  T289]  </TASK>
[   27.725031][  T289] ==================================================================
[   27.733071][  T289] Disabling lock debugging due to kernel taint
[   27.739302][  T289] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   27.747107][  T289] #PF: supervisor write access in kernel mode
[   27.753495][  T289] #PF: error_code(0x0002) - not-present page
[   27.759556][  T289] PGD 0 P4D 0 
[   27.763018][  T289] Oops: 0002 [#1] PREEMPT SMP KASAN
[   27.768208][  T289] CPU: 0 PID: 289 Comm: syz-executor233 Tainted: G    B   W         5.15.184-syzkaller-00129-g4032a894ccb2 #0
[   27.780057][  T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   27.790251][  T289] RIP: 0010:ihold+0x26/0x60
[   27.794757][  T289] Code: 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 c1 c1 b3 ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 40 35 f2 ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 70 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 41
[   27.814857][  T289] RSP: 0018:ffffc90000947be8 EFLAGS: 00010246
[   27.821145][  T289] RAX: ffff88811d6c4f00 RBX: 0000000000000000 RCX: ffff88811d6c4f00
[   27.829115][  T289] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff
[   27.837071][  T289] RBP: ffffc90000947bf8 R08: 0000000000000004 R09: 0000000000000003
[   27.845357][  T289] R10: fffffbfff0e17a4c R11: 1ffffffff0e17a4c R12: 1ffff110241ba4f4
[   27.853329][  T289] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   27.861303][  T289] FS:  000055559155e480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   27.871010][  T289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.878237][  T289] CR2: 0000000000000170 CR3: 00000001220bd000 CR4: 00000000003506b0
[   27.886333][  T289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   27.894315][  T289] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   27.902299][  T289] Call Trace:
[   27.905747][  T289]  <TASK>
[   27.908775][  T289]  vfs_rmdir+0x1f0/0x460
[   27.913035][  T289]  incfs_kill_sb+0x105/0x220
[   27.917747][  T289]  deactivate_locked_super+0xa0/0x100
[   27.923469][  T289]  deactivate_super+0xaf/0xe0
[   27.928414][  T289]  cleanup_mnt+0x446/0x500
[   27.932849][  T289]  __cleanup_mnt+0x19/0x20
[   27.937267][  T289]  task_work_run+0x127/0x190
[   27.941871][  T289]  ptrace_notify+0x212/0x250
[   27.946556][  T289]  ? do_notify_parent+0x800/0x800
[   27.951798][  T289]  ? user_path_at_empty+0x161/0x1c0
[   27.957178][  T289]  ? __x64_sys_umount+0x125/0x160
[   27.962219][  T289]  ? path_umount+0xf90/0xf90
[   27.966808][  T289]  syscall_exit_work+0x87/0x160
[   27.971670][  T289]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   27.978102][  T289]  syscall_exit_to_user_mode+0xd/0x30
[   27.984790][  T289]  do_syscall_64+0x58/0xa0
[   27.990235][  T289]  ? clear_bhb_loop+0x50/0xa0
[   27.995018][  T289]  ? clear_bhb_loop+0x50/0xa0
[   27.999878][  T289]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   28.006157][  T289] RIP: 0033:0x7f9c18161247
[   28.010660][  T289] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8
[   28.031963][  T289] RSP: 002b:00007ffc86b7c928 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6
[   28.040680][  T289] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f9c18161247
[   28.048738][  T289] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc86b7c9e0
[   28.056703][  T289] RBP: 00007ffc86b7c9e0 R08: 0000000000000000 R09: 0000000000000000
[   28.064759][  T289] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffc86b7da50
[   28.073033][  T289] R13: 000055559155f7c0 R14: 431bde82d7b634db R15: 00007ffc86b7da70
[   28.081015][  T289]  </TASK>
[   28.084029][  T289] Modules linked in:
[   28.087926][  T289] CR2: 0000000000000170
[   28.092218][  T289] ---[ end trace 792b8123d8866b59 ]---
[   28.098025][  T289] RIP: 0010:ihold+0x26/0x60
[   28.102860][  T289] Code: 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 c1 c1 b3 ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 40 35 f2 ff 41 be 01 00 00 00 <f0> 44 0f c1 b3 70 01 00 00 41 ff c6 bf 02 00 00 00 44 89 f6 e8 41
[   28.122491][  T289] RSP: 0018:ffffc90000947be8 EFLAGS: 00010246
[   28.128560][  T289] RAX: ffff88811d6c4f00 RBX: 0000000000000000 RCX: ffff88811d6c4f00
[   28.136529][  T289] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff
[   28.144582][  T289] RBP: ffffc90000947bf8 R08: 0000000000000004 R09: 0000000000000003
[   28.152547][  T289] R10: fffffbfff0e17a4c R11: 1ffffffff0e17a4c R12: 1ffff110241ba4f4
[   28.160518][  T289] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   28.168574][  T289] FS:  000055559155e480(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
[   28.177593][  T289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   28.184172][  T289] CR2: 0000000000000170 CR3: 00000001220bd000 CR4: 00000000003506b0
[   28.192138][  T289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   28.200128][  T289] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   28.208097][  T289] Kernel panic - not syncing: Fatal exception
[   28.214399][  T289] Kernel Offset: disabled
[   28.218836][  T289] Rebooting in 86400 seconds..