./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor676107278
<...>
Warning: Permanently added '10.128.0.126' (ED25519) to the list of known hosts.
execve("./syz-executor676107278", ["./syz-executor676107278"], 0x7fff37c33a20 /* 10 vars */) = 0
brk(NULL) = 0x5555580b2000
brk(0x5555580b2d00) = 0x5555580b2d00
arch_prctl(ARCH_SET_FS, 0x5555580b2380) = 0
set_tid_address(0x5555580b2650) = 5226
set_robust_list(0x5555580b2660, 24) = 0
rseq(0x5555580b2ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor676107278", 4096) = 27
getrandom("\x78\xd6\x0e\xad\x64\xec\x16\x5e", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x5555580b2d00
brk(0x5555580d3d00) = 0x5555580d3d00
brk(0x5555580d4000) = 0x5555580d4000
mprotect(0x7efd8f568000, 16384, PROT_READ) = 0
mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000
mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000
mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000
unshare(CLONE_NEWPID) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5227 attached
<unfinished ...>
[pid 5227] set_robust_list(0x5555580b2660, 24 <unfinished ...>
[pid 5226] <... clone resumed>, child_tidptr=0x5555580b2650) = 5227
[pid 5227] <... set_robust_list resumed>) = 0
[pid 5227] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid 5227] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5227] setsid() = 1
[pid 5227] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid 5227] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid 5227] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid 5227] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid 5227] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid 5227] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid 5227] unshare(CLONE_NEWNS) = 0
[pid 5227] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid 5227] unshare(CLONE_NEWIPC) = 0
[pid 5227] unshare(CLONE_NEWCGROUP) = 0
[pid 5227] unshare(CLONE_NEWUTS) = 0
[pid 5227] unshare(CLONE_SYSVSEM) = 0
[pid 5227] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid 5227] write(3, "16777216", 8) = 8
[pid 5227] close(3) = 0
[pid 5227] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid 5227] write(3, "536870912", 9) = 9
[pid 5227] close(3) = 0
[pid 5227] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid 5227] write(3, "1024", 4) = 4
[pid 5227] close(3) = 0
[pid 5227] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid 5227] write(3, "8192", 4) = 4
[pid 5227] close(3) = 0
[pid 5227] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid 5227] write(3, "1024", 4) = 4
[pid 5227] close(3) = 0
[pid 5227] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid 5227] write(3, "1024", 4) = 4
[pid 5227] close(3) = 0
[pid 5227] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid 5227] write(3, "1024 1048576 500 1024", 21) = 21
[pid 5227] close(3) = 0
[pid 5227] getpid() = 1
[pid 5227] 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 5227] 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 5227] unshare(CLONE_NEWNET) = 0
[pid 5227] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid 5227] write(3, "0 65535", 7) = 7
[pid 5227] close(3) = 0
[pid 5227] openat(AT_FDCWD, "/dev/net/tun", O_RDWR|O_NONBLOCK) = 3
[pid 5227] dup2(3, 200) = 200
[pid 5227] close(3) = 0
[pid 5227] ioctl(200, TUNSETIFF, 0x7ffd11880270) = 0
[pid 5227] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/accept_dad", O_WRONLY|O_CLOEXEC) = 3
[pid 5227] write(3, "0", 1) = 1
[pid 5227] close(3) = 0
[pid 5227] openat(AT_FDCWD, "/proc/sys/net/ipv6/conf/syz_tun/router_solicitations", O_WRONLY|O_CLOEXEC) = 3
[pid 5227] write(3, "0", 1) = 1
[pid 5227] close(3) = 0
[pid 5227] socket(AF_NETLINK, SOCK_RAW, NETLINK_ROUTE) = 3
[pid 5227] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid 5227] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0
[pid 5227] close(4) = 0
[pid 5227] sendto(3, [{nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x18\x00\x00\x0b\x00\x00\x00\x08\x00\x02\x00\xac\x14\x14\xaa\x08\x00\x01\x00\xac\x14\x14\xaa"], 40, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 40
[pid 5227] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=40, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36
[pid 5227] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid 5227] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0
[pid 5227] close(4) = 0
[pid 5227] sendto(3, [{nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}, "\x0a\x78\x00\x00\x0b\x00\x00\x00\x14\x00\x02\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa\x14\x00\x01\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xaa"], 64, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 64
[pid 5227] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=64, nlmsg_type=0x14 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x500, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36
[pid 5227] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid 5227] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0
[pid 5227] close(4) = 0
[pid 5227] sendto(3, [{nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}, "\x02\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x08\x00\x01\x00\xac\x14\x14\xbb\x0a\x00\x02\x00\xbb\xaa\xaa\xaa\xaa\xaa\x00\x00"], 48, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 48
[pid 5227] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=48, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36
[pid 5227] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid 5227] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0
[pid 5227] close(4) = 0
[pid 5227] sendto(3, [{nlmsg_len=60, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}, "\x0a\x00\x00\x00\x0b\x00\x00\x00\x80\x00\x00\x00\x14\x00\x01\x00\xfe\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xbb\x0a\x00\x02\x00\xbb\xaa\xaa\xaa\xaa\xaa\x00\x00"], 60, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 60
[pid 5227] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=60, nlmsg_type=0x1c /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK|0x600, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36
[pid 5227] socket(AF_UNIX, SOCK_DGRAM|SOCK_CLOEXEC, 0) = 4
[pid 5227] ioctl(4, SIOCGIFINDEX, {ifr_name="syz_tun", ifr_ifindex=11}) = 0
[pid 5227] close(4) = 0
[pid 5227] sendto(3, [{nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}, "\x00\x00\x00\x00\x0b\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x0a\x00\x01\x00\xaa\xaa\xaa\xaa\xaa\xaa\x00\x00"], 44, 0, {sa_family=AF_NETLINK, nl_pid=0, nl_groups=00000000}, 12) = 44
[pid 5227] recvfrom(3, [{nlmsg_len=36, nlmsg_type=NLMSG_ERROR, nlmsg_flags=NLM_F_CAPPED, nlmsg_seq=0, nlmsg_pid=1}, {error=0, msg={nlmsg_len=44, nlmsg_type=0x10 /* NLMSG_??? */, nlmsg_flags=NLM_F_REQUEST|NLM_F_ACK, nlmsg_seq=0, nlmsg_pid=0}}], 4096, 0, NULL, NULL) = 36
[pid 5227] close(3) = 0
[pid 5227] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3
[pid 5227] write(3, "100000", 6) = 6
[pid 5227] close(3) = 0
[pid 5227] mkdir("./syz-tmp", 0777) = 0
[pid 5227] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0
[pid 5227] mkdir("./syz-tmp/newroot", 0777) = 0
[pid 5227] mkdir("./syz-tmp/newroot/dev", 0700) = 0
[pid 5227] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid 5227] mkdir("./syz-tmp/newroot/proc", 0700) = 0
[pid 5227] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0
[pid 5227] mkdir("./syz-tmp/newroot/selinux", 0700) = 0
[pid 5227] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid 5227] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory)
[pid 5227] mkdir("./syz-tmp/newroot/sys", 0700) = 0
[pid 5227] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0
[pid 5227] mkdir("./syz-tmp/pivot", 0777) = 0
[pid 5227] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0
[pid 5227] chdir("/") = 0
[pid 5227] umount2("./pivot", MNT_DETACH) = 0
[pid 5227] chroot("./newroot") = 0
[pid 5227] chdir("/") = 0
[pid 5227] mkdir("/dev/binderfs", 0777) = 0
[pid 5227] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid 5227] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5227] write(1, "executing program\n", 18executing program
) = 18
[pid 5227] memfd_create("syzkaller", 0) = 3
[pid 5227] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7efd87000000
[pid 5227] write(3, "\xeb\x52\x90\x4e\x54\x46\x53\x20\x20\x20\x20\x00\x10\x01\x00\x00\x00\x00\x00\x00\x00\xf8\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x80\x00\xff\x01\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\xff\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x78\x5f\xaa\x3b\xd7\x0e\xce\x68\x00\x00\x00\x00\x0e\x1f\xbe\x71\x7c\xac\x22\xc0\x74\x0b\x56\xb4\x0e\xbb\x07\x00"..., 2097152) = 2097152
[pid 5227] munmap(0x7efd87000000, 138412032) = 0
[pid 5227] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5227] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5227] close(3) = 0
[pid 5227] close(4) = 0
[pid 5227] mkdir("./file0", 0777) = 0
[pid 5227] mount("/dev/loop0", "./file0", "ntfs3", MS_NOEXEC|MS_REC, "") = 0
[pid 5227] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid 5227] chdir("./file0") = 0
[pid 5227] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5227] open(".", O_RDONLY) = 4
[pid 5227] fcntl(4, F_NOTIFY, DN_ACCESS|DN_CREATE|DN_DELETE|DN_RENAME|DN_ATTRIB|DN_MULTISHOT) = 0
syzkaller login: [ 79.927174][ T5227] loop0: detected capacity change from 0 to 4096
[ 79.952980][ T5227] ntfs3: loop0: Different NTFS sector size (4096) and media sector size (512).
[pid 5227] fchmodat(AT_FDCWD, ".", 000) = 0
[pid 5227] close(3) = 0
[pid 5227] close(4) = 0
[pid 5227] close(5) = -1 EBADF (Bad file descriptor)
[pid 5227] close(6) = -1 EBADF (Bad file descriptor)
[pid 5227] close(7) = -1 EBADF (Bad file descriptor)
[pid 5227] close(8) = -1 EBADF (Bad file descriptor)
[pid 5227] close(9) = -1 EBADF (Bad file descriptor)
[pid 5227] close(10) = -1 EBADF (Bad file descriptor)
[pid 5227] close(11) = -1 EBADF (Bad file descriptor)
[pid 5227] close(12) = -1 EBADF (Bad file descriptor)
[pid 5227] close(13) = -1 EBADF (Bad file descriptor)
[pid 5227] close(14) = -1 EBADF (Bad file descriptor)
[pid 5227] close(15) = -1 EBADF (Bad file descriptor)
[pid 5227] close(16) = -1 EBADF (Bad file descriptor)
[pid 5227] close(17) = -1 EBADF (Bad file descriptor)
[pid 5227] close(18) = -1 EBADF (Bad file descriptor)
[pid 5227] close(19) = -1 EBADF (Bad file descriptor)
[pid 5227] close(20) = -1 EBADF (Bad file descriptor)
[pid 5227] close(21) = -1 EBADF (Bad file descriptor)
[pid 5227] close(22) = -1 EBADF (Bad file descriptor)
[pid 5227] close(23) = -1 EBADF (Bad file descriptor)
[pid 5227] close(24) = -1 EBADF (Bad file descriptor)
[pid 5227] close(25) = -1 EBADF (Bad file descriptor)
[pid 5227] close(26) = -1 EBADF (Bad file descriptor)
[pid 5227] close(27) = -1 EBADF (Bad file descriptor)
[pid 5227] close(28) = -1 EBADF (Bad file descriptor)
[pid 5227] close(29) = -1 EBADF (Bad file descriptor)
[pid 5227] exit_group(1) = ?
[ 79.992184][ T5227] ntfs3: loop0: ino=5, "/" attr_set_size
[ 79.998321][ T5227] ntfs3: loop0: Mark volume as dirty due to NTFS errors
[ 80.078412][ T2976] ------------[ cut here ]------------
[ 80.084022][ T2976] kernel BUG at fs/notify/dnotify/dnotify.c:135!
[ 80.092583][ T2976] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
[ 80.099732][ T2976] CPU: 1 UID: 0 PID: 2976 Comm: kworker/u8:13 Not tainted 6.11.0-rc5-syzkaller-00050-g3ec3f5fc4a91 #0
[ 80.110679][ T2976] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
[ 80.120726][ T2976] Workqueue: events_unbound fsnotify_mark_destroy_workfn
[ 80.127772][ T2976] RIP: 0010:dnotify_free_mark+0x58/0x60
[ 80.133312][ T2976] Code: 89 df e8 eb b7 da ff 48 83 3b 00 75 17 e8 00 9b 76 ff 48 8b 3d 91 47 eb 0b 4c 89 f6 5b 41 5e e9 5e 0a cf ff e8 e9 9a 76 ff 90 <0f> 0b 66 0f 1f 44 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90
[ 80.152908][ T2976] RSP: 0018:ffffc90009ae7ae8 EFLAGS: 00010293
[ 80.158967][ T2976] RAX: ffffffff821cf0b7 RBX: ffff8880790da080 RCX: ffff88802bce9e00
[ 80.166942][ T2976] RDX: 0000000000000000 RSI: ffffffff8bead560 RDI: ffff8880790da000
[ 80.174904][ T2976] RBP: ffffc90009ae7bb0 R08: ffffffff934f58ff R09: 1ffffffff269eb1f
[ 80.182869][ T2976] R10: dffffc0000000000 R11: ffffffff821cf060 R12: ffff8880187b3800
[ 80.190834][ T2976] R13: ffffc90009ae7b40 R14: ffff8880790da000 R15: ffff8880790da000
[ 80.198796][ T2976] FS: 0000000000000000(0000) GS:ffff8880b9300000(0000) knlGS:0000000000000000
[ 80.207717][ T2976] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 80.214480][ T2976] CR2: 00007f7521d3b095 CR3: 0000000020224000 CR4: 00000000003506f0
[ 80.222462][ T2976] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 80.230434][ T2976] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 80.238405][ T2976] Call Trace:
[ 80.241679][ T2976] <TASK>
[ 80.244605][ T2976] ? __die_body+0x88/0xe0
[ 80.248942][ T2976] ? die+0xcf/0x110
[ 80.252751][ T2976] ? do_trap+0x15a/0x3a0
[ 80.256994][ T2976] ? dnotify_free_mark+0x58/0x60
[ 80.261927][ T2976] ? do_error_trap+0x1dc/0x2c0
[ 80.266696][ T2976] ? dnotify_free_mark+0x58/0x60
[ 80.271633][ T2976] ? __pfx_do_error_trap+0x10/0x10
[ 80.276760][ T2976] ? handle_invalid_op+0x34/0x40
[ 80.281695][ T2976] ? dnotify_free_mark+0x58/0x60
[ 80.286637][ T2976] ? exc_invalid_op+0x38/0x50
[ 80.291316][ T2976] ? asm_exc_invalid_op+0x1a/0x20
[ 80.296335][ T2976] ? __pfx_dnotify_free_mark+0x10/0x10
[ 80.301786][ T2976] ? dnotify_free_mark+0x57/0x60
[ 80.306719][ T2976] ? dnotify_free_mark+0x58/0x60
[ 80.311654][ T2976] ? dnotify_free_mark+0x57/0x60
[ 80.316587][ T2976] fsnotify_mark_destroy_workfn+0x2cf/0x350
[ 80.322475][ T2976] ? __pfx_fsnotify_mark_destroy_workfn+0x10/0x10
[ 80.329065][ T2976] ? process_scheduled_works+0x945/0x1830
[ 80.334785][ T2976] process_scheduled_works+0xa2c/0x1830
[ 80.340347][ T2976] ? __pfx_process_scheduled_works+0x10/0x10
[ 80.346329][ T2976] ? assign_work+0x364/0x3d0
[ 80.350917][ T2976] worker_thread+0x86d/0xd10
[ 80.355512][ T2976] ? __kthread_parkme+0x169/0x1d0
[ 80.360546][ T2976] ? __pfx_worker_thread+0x10/0x10
[ 80.365658][ T2976] kthread+0x2f0/0x390
[ 80.369727][ T2976] ? __pfx_worker_thread+0x10/0x10
[ 80.374837][ T2976] ? __pfx_kthread+0x10/0x10
[pid 5227] +++ exited with 1 +++
[ 80.379442][ T2976] ret_from_fork+0x4b/0x80
[ 80.383857][ T2976] ? __pfx_kthread+0x10/0x10
[ 80.388447][ T2976] ret_from_fork_asm+0x1a/0x30
[ 80.393222][ T2976] </TASK>
[ 80.396242][ T2976] Modules linked in:
[ 80.402981][ T2976] ---[ end trace 0000000000000000 ]---
[ 80.408540][ T2976] RIP: 0010:dnotify_free_mark+0x58/0x60
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5227, si_uid=0, si_status=1, si_utime=0, si_stime=27 /* 0.27 s */} ---
exit_group(0) = ?
+++ exited with 0 +++
[ 80.414134][ T2976] Code: 89 df e8 eb b7 da ff 48 83 3b 00 75 17 e8 00 9b 76 ff 48 8b 3d 91 47 eb 0b 4c 89 f6 5b 41 5e e9 5e 0a cf ff e8 e9 9a 76 ff 90 <0f> 0b 66 0f 1f 44 00 00 90 9