./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1872290453

<...>
Warning: Permanently added '10.128.1.116' (ED25519) to the list of known hosts.
execve("./syz-executor1872290453", ["./syz-executor1872290453"], 0x7ffca723e5d0 /* 10 vars */) = 0
brk(NULL)                               = 0x5555948a2000
brk(0x5555948a2e00)                     = 0x5555948a2e00
arch_prctl(ARCH_SET_FS, 0x5555948a2480) = 0
set_tid_address(0x5555948a2750)         = 288
set_robust_list(0x5555948a2760, 24)     = 0
rseq(0x5555948a2da0, 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-executor1872290453", 4096) = 28
getrandom("\xde\x16\x71\x08\x9e\xd4\x4b\xd2", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x5555948a2e00
brk(0x5555948c3e00)                     = 0x5555948c3e00
brk(0x5555948c4000)                     = 0x5555948c4000
mprotect(0x7fe29b129000, 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=0x7fe29b07fdf0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fe29b087aa0}, NULL, 8) = 0
rt_sigaction(SIGBUS, {sa_handler=0x7fe29b07fdf0, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7fe29b087aa0}, NULL, 8) = 0
mkdir("./syzkaller.7aQueU", 0700)       = 0
chmod("./syzkaller.7aQueU", 0777)       = 0
chdir("./syzkaller.7aQueU")             = 0
unshare(CLONE_NEWPID)                   = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555948a2750) = 289
./strace-static-x86_64: Process 289 attached
[pid   289] set_robust_list(0x5555948a2760, 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
[   45.631898][   T30] audit: type=1400 audit(1752375721.590:64): avc:  denied  { execmem } for  pid=288 comm="syz-executor187" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1
[   45.656494][   T30] audit: type=1400 audit(1752375721.620:65): avc:  denied  { mounton } for  pid=289 comm="syz-executor187" 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
[   45.697399][   T30] audit: type=1400 audit(1752375721.660:66): avc:  denied  { mounton } for  pid=289 comm="syz-executor187" path="/root/syzkaller.7aQueU/syz-tmp" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[   45.722117][   T30] audit: type=1400 audit(1752375721.660:67): avc:  denied  { mount } for  pid=289 comm="syz-executor187" 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=0x5555948a2750) = 2
./strace-static-x86_64: Process 290 attached
[pid   290] set_robust_list(0x5555948a2760, 24) = 0
[pid   290] chdir("./0")                = 0
[pid   290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid   290] setpgid(0, 0)               = 0
[pid   290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid   290] write(3, "1000", 4)         = 4
[pid   290] close(3)                    = 0
[pid   290] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid   290] write(1, "executing program\n", 18) = 18
[pid   290] mkdir("./file0", 0777)      = 0
[pid   290] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} ---
[pid   290] mount(".", "./file0/../file0", NULL, MS_RDONLY|MS_SYNCHRONOUS|MS_DIRSYNC|MS_BIND|MS_SHARED, NULL) = 0
[pid   290] mount("./file0", "./file0", "incremental-fs", 0, NULL) = 0
[pid   290] close(3)                    = -1 EBADF (Bad file descriptor)
[pid   290] close(4)                    = -1 EBADF (Bad file descriptor)
[pid   290] close(5)                    = -1 EBADF (Bad file descriptor)
[pid   290] close(6)                    = -1 EBADF (Bad file descriptor)
[pid   290] close(7)                    = -1 EBADF (Bad file descriptor)
[pid   290] close(8)                    = -1 EBADF (Bad file descriptor)
[pid   290] close(9)                    = -1 EBADF (Bad file descriptor)
[pid   290] close(10)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(11)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(12)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(13)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(14)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(15)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(16)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(17)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(18)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(19)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(20)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(21)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(22)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(23)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(24)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(25)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(26)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(27)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(28)                   = -1 EBADF (Bad file descriptor)
[pid   290] close(29)                   = -1 EBADF (Bad file descriptor)
[pid   290] exit_group(0)               = ?
[pid   290] +++ 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] 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, 0x5555948a37f0 /* 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, 0x5555948ab830 /* 2 entries */, 32768) = 48
[pid   289] getdents64(4, 0x5555948ab830 /* 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, 0x5555948ab830 /* 2 entries */, 32768) = 48
[pid   289] getdents64(4, 0x5555948ab830 /* 0 entries */, 32768) = 0
[pid   289] close(4)                    = 0
[pid   289] rmdir("./0/.index")         = 0
[   45.723847][  T289] request_module fs-gadgetfs succeeded, but still no fs?
[   45.744602][   T30] audit: type=1400 audit(1752375721.680:68): avc:  denied  { mounton } for  pid=289 comm="syz-executor187" path="/root/syzkaller.7aQueU/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
[   45.769129][  T290] incfs: ino conflict with backing FS 9
[   45.777636][   T30] audit: type=1400 audit(1752375721.680:69): avc:  denied  { mount } for  pid=289 comm="syz-executor187" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1
[   45.804296][  T289] ------------[ cut here ]------------
[   45.804851][   T30] audit: type=1400 audit(1752375721.680:70): avc:  denied  { mounton } for  pid=289 comm="syz-executor187" path="/root/syzkaller.7aQueU/syz-tmp/newroot/selinux" dev="tmpfs" ino=5 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1
[   45.809754][  T289] WARNING: CPU: 0 PID: 289 at fs/inode.c:335 drop_nlink+0xc5/0x110
[   45.835399][   T30] audit: type=1400 audit(1752375721.680:71): avc:  denied  { mounton } for  pid=289 comm="syz-executor187" path="/root/syzkaller.7aQueU/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
[   45.835425][   T30] audit: type=1400 audit(1752375721.680:72): avc:  denied  { mounton } for  pid=289 comm="syz-executor187" path="/root/syzkaller.7aQueU/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=14702 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1
[   45.835445][   T30] audit: type=1400 audit(1752375721.680:73): avc:  denied  { unmount } for  pid=289 comm="syz-executor187" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1
[   45.843939][  T289] Modules linked in:
[   45.921094][  T289] CPU: 0 PID: 289 Comm: syz-executor187 Not tainted 5.15.185-syzkaller-00207-g32c443bd6d40 #0
[   45.931883][  T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   45.941987][  T289] RIP: 0010:drop_nlink+0xc5/0x110
[   45.947029][  T289] Code: 1b 48 8d bb b8 04 00 00 be 08 00 00 00 e8 63 3b f2 ff f0 48 ff 83 b8 04 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 bb c2 b3 ff <0f> 0b eb 86 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5e ff ff ff 4c
[   45.966641][  T289] RSP: 0018:ffffc900009b7ba8 EFLAGS: 00010293
[   45.972708][  T289] RAX: ffffffff81b4e575 RBX: ffff8881243f2e88 RCX: ffff888123a6bb40
[   45.980678][  T289] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   45.988654][  T289] RBP: ffffc900009b7bd0 R08: 0000000000000004 R09: 0000000000000003
[   45.996658][  T289] R10: fffff52000136f64 R11: 1ffff92000136f64 R12: dffffc0000000000
[   46.005890][  T289] R13: 1ffff1102487e5da R14: ffff8881243f2ed0 R15: 0000000000000000
[   46.013847][  T289] FS:  00005555948a2480(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   46.022805][  T289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.029398][  T289] CR2: 0000555bcc697388 CR3: 00000001219bc000 CR4: 00000000003506a0
[   46.037418][  T289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.045409][  T289] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.053360][  T289] Call Trace:
[   46.056673][  T289]  <TASK>
[   46.059807][  T289]  shmem_rmdir+0x5b/0x90
[   46.064029][  T289]  vfs_rmdir+0x313/0x460
[   46.068299][  T289]  incfs_kill_sb+0x105/0x220
[   46.072889][  T289]  deactivate_locked_super+0xa0/0x100
[   46.078270][  T289]  deactivate_super+0xaf/0xe0
[   46.082934][  T289]  cleanup_mnt+0x446/0x500
[   46.087350][  T289]  __cleanup_mnt+0x19/0x20
[   46.091756][  T289]  task_work_run+0x127/0x190
[   46.096373][  T289]  ptrace_notify+0x212/0x250
[   46.100975][  T289]  ? do_notify_parent+0x800/0x800
[   46.106003][  T289]  ? user_path_at_empty+0x161/0x1c0
[   46.111245][  T289]  ? __x64_sys_umount+0x125/0x160
[   46.116282][  T289]  ? path_umount+0xf90/0xf90
[   46.120859][  T289]  syscall_exit_work+0x87/0x160
[   46.125740][  T289]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   46.131885][  T289]  syscall_exit_to_user_mode+0xd/0x30
[   46.137262][  T289]  do_syscall_64+0x58/0xa0
[   46.141664][  T289]  ? clear_bhb_loop+0x50/0xa0
[   46.146344][  T289]  ? clear_bhb_loop+0x50/0xa0
[   46.151014][  T289]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   46.156931][  T289] RIP: 0033:0x7fe29b0b6187
[   46.161472][  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
[   46.181119][  T289] RSP: 002b:00007ffdb0106e08 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   46.189556][  T289] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fe29b0b6187
[   46.197528][  T289] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdb0106ec0
[   46.205502][  T289] RBP: 00007ffdb0106ec0 R08: 0000000000000000 R09: 0000000000000000
[   46.213448][  T289] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffdb0107f30
[   46.221422][  T289] R13: 00005555948a37c0 R14: 431bde82d7b634db R15: 00007ffdb0107f50
[   46.229402][  T289]  </TASK>
[   46.232401][  T289] ---[ end trace d2591f7383740fc8 ]---
[   46.237913][  T289] ==================================================================
[   46.246070][  T289] BUG: KASAN: null-ptr-deref in ihold+0x20/0x60
[   46.252530][  T289] Write of size 4 at addr 0000000000000170 by task syz-executor187/289
[   46.260745][  T289] 
[   46.263051][  T289] CPU: 1 PID: 289 Comm: syz-executor187 Tainted: G        W         5.15.185-syzkaller-00207-g32c443bd6d40 #0
[   46.274649][  T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   46.284679][  T289] Call Trace:
[   46.287937][  T289]  <TASK>
[   46.290844][  T289]  __dump_stack+0x21/0x30
[   46.295147][  T289]  dump_stack_lvl+0xee/0x150
[   46.299722][  T289]  ? show_regs_print_info+0x20/0x20
[   46.304889][  T289]  ? _raw_spin_lock+0x8e/0xe0
[   46.309538][  T289]  ? _raw_spin_trylock_bh+0x130/0x130
[   46.314883][  T289]  ? ihold+0x20/0x60
[   46.318750][  T289]  kasan_report+0xe7/0x140
[   46.323137][  T289]  ? ihold+0x20/0x60
[   46.327004][  T289]  kasan_check_range+0x280/0x290
[   46.331915][  T289]  __kasan_check_write+0x14/0x20
[   46.336821][  T289]  ihold+0x20/0x60
[   46.340512][  T289]  vfs_rmdir+0x1f0/0x460
[   46.344723][  T289]  incfs_kill_sb+0x105/0x220
[   46.349310][  T289]  deactivate_locked_super+0xa0/0x100
[   46.354656][  T289]  deactivate_super+0xaf/0xe0
[   46.359317][  T289]  cleanup_mnt+0x446/0x500
[   46.363871][  T289]  __cleanup_mnt+0x19/0x20
[   46.368283][  T289]  task_work_run+0x127/0x190
[   46.372853][  T289]  ptrace_notify+0x212/0x250
[   46.377423][  T289]  ? do_notify_parent+0x800/0x800
[   46.382422][  T289]  ? user_path_at_empty+0x161/0x1c0
[   46.387680][  T289]  ? __x64_sys_umount+0x125/0x160
[   46.392678][  T289]  ? path_umount+0xf90/0xf90
[   46.397239][  T289]  syscall_exit_work+0x87/0x160
[   46.402064][  T289]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   46.408185][  T289]  syscall_exit_to_user_mode+0xd/0x30
[   46.413536][  T289]  do_syscall_64+0x58/0xa0
[   46.417962][  T289]  ? clear_bhb_loop+0x50/0xa0
[   46.422623][  T289]  ? clear_bhb_loop+0x50/0xa0
[   46.427277][  T289]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   46.433150][  T289] RIP: 0033:0x7fe29b0b6187
[   46.437540][  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
[   46.457115][  T289] RSP: 002b:00007ffdb0106e08 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   46.465498][  T289] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fe29b0b6187
[   46.473441][  T289] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdb0106ec0
[   46.481385][  T289] RBP: 00007ffdb0106ec0 R08: 0000000000000000 R09: 0000000000000000
[   46.489326][  T289] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffdb0107f30
[   46.497273][  T289] R13: 00005555948a37c0 R14: 431bde82d7b634db R15: 00007ffdb0107f50
[   46.505221][  T289]  </TASK>
[   46.508217][  T289] ==================================================================
[   46.516240][  T289] Disabling lock debugging due to kernel taint
[   46.522538][  T289] BUG: kernel NULL pointer dereference, address: 0000000000000170
[   46.530330][  T289] #PF: supervisor write access in kernel mode
[   46.536383][  T289] #PF: error_code(0x0002) - not-present page
[   46.542343][  T289] PGD 0 P4D 0 
[   46.545710][  T289] Oops: 0002 [#1] PREEMPT SMP KASAN
[   46.550923][  T289] CPU: 1 PID: 289 Comm: syz-executor187 Tainted: G    B   W         5.15.185-syzkaller-00207-g32c443bd6d40 #0
[   46.562534][  T289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
[   46.572574][  T289] RIP: 0010:ihold+0x26/0x60
[   46.577150][  T289] Code: 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 d1 ba b3 ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 50 33 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 51
[   46.596746][  T289] RSP: 0018:ffffc900009b7be8 EFLAGS: 00010246
[   46.602794][  T289] RAX: ffff888123a6bb00 RBX: 0000000000000000 RCX: ffff888123a6bb40
[   46.610855][  T289] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff
[   46.618808][  T289] RBP: ffffc900009b7bf8 R08: 0000000000000004 R09: 0000000000000003
[   46.626761][  T289] R10: fffffbfff0e17a4c R11: 1ffffffff0e17a4c R12: 1ffff11024125d16
[   46.634714][  T289] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   46.642665][  T289] FS:  00005555948a2480(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   46.651572][  T289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.658134][  T289] CR2: 0000000000000170 CR3: 00000001219bc000 CR4: 00000000003506a0
[   46.666090][  T289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.674039][  T289] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.682000][  T289] Call Trace:
[   46.685260][  T289]  <TASK>
[   46.688173][  T289]  vfs_rmdir+0x1f0/0x460
[   46.692407][  T289]  incfs_kill_sb+0x105/0x220
[   46.696978][  T289]  deactivate_locked_super+0xa0/0x100
[   46.702329][  T289]  deactivate_super+0xaf/0xe0
[   46.706988][  T289]  cleanup_mnt+0x446/0x500
[   46.711390][  T289]  __cleanup_mnt+0x19/0x20
[   46.715785][  T289]  task_work_run+0x127/0x190
[   46.720391][  T289]  ptrace_notify+0x212/0x250
[   46.724966][  T289]  ? do_notify_parent+0x800/0x800
[   46.729971][  T289]  ? user_path_at_empty+0x161/0x1c0
[   46.735148][  T289]  ? __x64_sys_umount+0x125/0x160
[   46.740153][  T289]  ? path_umount+0xf90/0xf90
[   46.744721][  T289]  syscall_exit_work+0x87/0x160
[   46.749555][  T289]  syscall_exit_to_user_mode_prepare+0x1c/0x20
[   46.755688][  T289]  syscall_exit_to_user_mode+0xd/0x30
[   46.761042][  T289]  do_syscall_64+0x58/0xa0
[   46.765435][  T289]  ? clear_bhb_loop+0x50/0xa0
[   46.770092][  T289]  ? clear_bhb_loop+0x50/0xa0
[   46.774748][  T289]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[   46.780619][  T289] RIP: 0033:0x7fe29b0b6187
[   46.785013][  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
[   46.804596][  T289] RSP: 002b:00007ffdb0106e08 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6
[   46.812992][  T289] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007fe29b0b6187
[   46.820941][  T289] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffdb0106ec0
[   46.828908][  T289] RBP: 00007ffdb0106ec0 R08: 0000000000000000 R09: 0000000000000000
[   46.836868][  T289] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffdb0107f30
[   46.844826][  T289] R13: 00005555948a37c0 R14: 431bde82d7b634db R15: 00007ffdb0107f50
[   46.852784][  T289]  </TASK>
[   46.855790][  T289] Modules linked in:
[   46.859676][  T289] CR2: 0000000000000170
[   46.863813][  T289] ---[ end trace d2591f7383740fc9 ]---
[   46.869245][  T289] RIP: 0010:ihold+0x26/0x60
[   46.873732][  T289] Code: 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 d1 ba b3 ff 48 8d bb 70 01 00 00 be 04 00 00 00 e8 50 33 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 51
[   46.893328][  T289] RSP: 0018:ffffc900009b7be8 EFLAGS: 00010246
[   46.899390][  T289] RAX: ffff888123a6bb00 RBX: 0000000000000000 RCX: ffff888123a6bb40
[   46.907345][  T289] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000ffffffff
[   46.915298][  T289] RBP: ffffc900009b7bf8 R08: 0000000000000004 R09: 0000000000000003
[   46.923259][  T289] R10: fffffbfff0e17a4c R11: 1ffffffff0e17a4c R12: 1ffff11024125d16
[   46.931245][  T289] R13: dffffc0000000000 R14: 0000000000000001 R15: 0000000000000000
[   46.939292][  T289] FS:  00005555948a2480(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
[   46.948204][  T289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   46.954772][  T289] CR2: 0000000000000170 CR3: 00000001219bc000 CR4: 00000000003506a0
[   46.962842][  T289] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   46.970838][  T289] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   46.978797][  T289] Kernel panic - not syncing: Fatal exception
[   46.985002][  T289] Kernel Offset: disabled
[   46.989313][  T289] Rebooting in 86400 seconds..