./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4234334066

<...>
Warning: Permanently added '10.128.1.62' (ECDSA) to the list of known hosts.
execve("./syz-executor4234334066", ["./syz-executor4234334066"], 0x7ffccf479e90 /* 10 vars */) = 0
brk(NULL)                               = 0x55555611e000
brk(0x55555611ec40)                     = 0x55555611ec40
arch_prctl(ARCH_SET_FS, 0x55555611e300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor4234334066", 4096) = 28
brk(0x55555613fc40)                     = 0x55555613fc40
brk(0x555556140000)                     = 0x555556140000
mprotect(0x7fa675652000, 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 3629 attached
, child_tidptr=0x55555611e5d0) = 3629
[pid  3629] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL) = -1 EBUSY (Device or resource busy)
[pid  3629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  3629] setsid()                    = 1
[pid  3629] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, NULL) = 0
[pid  3629] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, NULL) = 0
[pid  3629] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, NULL) = 0
[pid  3629] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, NULL) = 0
[pid  3629] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, NULL) = 0
[pid  3629] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, NULL) = 0
[pid  3629] unshare(CLONE_NEWNS)        = 0
[pid  3629] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0
[pid  3629] unshare(CLONE_NEWIPC)       = 0
[pid  3629] unshare(CLONE_NEWCGROUP)    = 0
[pid  3629] unshare(CLONE_NEWUTS)       = 0
[pid  3629] unshare(CLONE_SYSVSEM)      = 0
[pid  3629] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC) = 3
[pid  3629] write(3, "16777216", 8)     = 8
[pid  3629] close(3)                    = 0
[pid  3629] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3
[pid  3629] write(3, "536870912", 9)    = 9
[pid  3629] close(3)                    = 0
[pid  3629] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC) = 3
[pid  3629] write(3, "1024", 4)         = 4
[pid  3629] close(3)                    = 0
[pid  3629] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC) = 3
[pid  3629] write(3, "8192", 4)         = 4
[pid  3629] close(3)                    = 0
[pid  3629] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC) = 3
[pid  3629] write(3, "1024", 4)         = 4
[pid  3629] close(3)                    = 0
[pid  3629] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC) = 3
[pid  3629] write(3, "1024", 4)         = 4
[pid  3629] close(3)                    = 0
[pid  3629] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC) = 3
[pid  3629] write(3, "1024 1048576 500 1024", 21) = 21
[pid  3629] close(3)                    = 0
[pid  3629] getpid()                    = 1
[pid  3629] 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  3629] 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  3629] unshare(CLONE_NEWNET)       = 0
[pid  3629] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3
[pid  3629] write(3, "0 65535", 7)      = 7
[pid  3629] close(3)                    = 0
[pid  3629] mkdir("/dev/binderfs", 0777) = 0
[pid  3629] mount("binder", "/dev/binderfs", "binder", 0, NULL) = 0
[pid  3629] symlink("/dev/binderfs", "./binderfs") = 0
[pid  3629] memfd_create("syzkaller", 0) = 3
[pid  3629] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa66d197000
[pid  3629] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768) = 32768
[pid  3629] munmap(0x7fa66d197000, 32768) = 0
[pid  3629] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  3629] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  3629] close(3)                    = 0
[pid  3629] mkdir("./bus", 0777)        = 0
[pid  3629] mount("/dev/loop0", "./bus", "hfs", MS_NOEXEC|MS_NOATIME|MS_STRICTATIME, "dir_umask=00000000000000000000401,codepage=iso8859-3,") = 0
[pid  3629] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  3629] chdir("./bus")              = 0
[pid  3629] ioctl(4, LOOP_CLR_FD)       = 0
[pid  3629] close(4)                    = 0
[pid  3629] openat(AT_FDCWD, "blkio.bfq.io_wait_time_recursive", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  3629] exit_group(1)               = ?
syzkaller login: [   53.360470][ T3629] loop0: detected capacity change from 0 to 64
[   53.407073][   T52] ------------[ cut here ]------------
[   53.413181][   T52] kernel BUG at fs/hfs/inode.c:446!
[   53.418376][   T52] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[   53.424420][   T52] CPU: 0 PID: 52 Comm: kworker/u4:3 Not tainted 6.1.0-syzkaller #0
[   53.432286][   T52] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[   53.442335][   T52] Workqueue: writeback wb_workfn (flush-7:0)
[   53.448312][   T52] RIP: 0010:hfs_write_inode+0x5ec/0x980
[   53.453856][   T52] Code: 2e 66 8a 4c 89 ef e8 33 01 39 ff 49 83 fd 03 0f 84 95 00 00 00 49 83 fd 04 74 11 49 83 fd 02 0f 84 f7 fa ff ff e8 24 04 39 ff <0f> 0b e8 1d 04 39 ff 48 8d 7d 28 48 b8 00 00 00 00 00 fc ff df 48
[   53.473617][   T52] RSP: 0018:ffffc90000bd76e8 EFLAGS: 00010293
[   53.479748][   T52] RAX: 0000000000000000 RBX: 1ffff9200017aedf RCX: 0000000000000000
[   53.487696][   T52] RDX: ffff8880183857c0 RSI: ffffffff824719dc RDI: 0000000000000007
[   53.495642][   T52] RBP: ffff88807a360158 R08: 0000000000000007 R09: 0000000000000004
[   53.503607][   T52] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[   53.511645][   T52] R13: 0000000000000000 R14: ffffc90000bd7994 R15: ffffffff8a664d60
[   53.519602][   T52] FS:  0000000000000000(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
[   53.528519][   T52] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.535086][   T52] CR2: 0000556624251138 CR3: 0000000027c16000 CR4: 0000000000350ef0
[   53.543143][   T52] Call Trace:
[   53.546488][   T52]  <TASK>
[   53.549419][   T52]  ? hfs_inode_write_fork+0x1c0/0x1c0
[   53.554774][   T52]  ? find_held_lock+0x2d/0x110
[   53.559521][   T52]  ? __writeback_single_inode+0x323/0x1440
[   53.565310][   T52]  ? lock_downgrade+0x6e0/0x6e0
[   53.570145][   T52]  ? do_raw_spin_lock+0x124/0x2b0
[   53.575151][   T52]  __writeback_single_inode+0xcfc/0x1440
[   53.580768][   T52]  writeback_sb_inodes+0x54d/0xf90
[   53.585859][   T52]  ? sync_inode_metadata+0xe0/0xe0
[   53.590949][   T52]  ? rcu_read_lock_sched_held+0x3e/0x70
[   53.596479][   T52]  ? queue_io+0x427/0x600
[   53.600786][   T52]  wb_writeback+0x2c5/0xd70
[   53.605275][   T52]  ? __writeback_inodes_wb+0x280/0x280
[   53.610717][   T52]  wb_workfn+0x2e0/0x12f0
[   53.615027][   T52]  ? inode_wait_for_writeback+0x40/0x40
[   53.620555][   T52]  ? lock_release+0x810/0x810
[   53.625219][   T52]  ? lock_downgrade+0x6e0/0x6e0
[   53.630053][   T52]  ? __switch_to+0x5d0/0x10e0
[   53.634710][   T52]  process_one_work+0x9bf/0x1710
[   53.639632][   T52]  ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[   53.644982][   T52]  ? rwlock_bug.part.0+0x90/0x90
[   53.649893][   T52]  ? _raw_spin_lock_irq+0x45/0x50
[   53.654896][   T52]  worker_thread+0x669/0x1090
[   53.659659][   T52]  ? __kthread_parkme+0x163/0x220
[   53.664664][   T52]  ? process_one_work+0x1710/0x1710
[   53.669837][   T52]  kthread+0x2e8/0x3a0
[   53.674162][   T52]  ? kthread_complete_and_exit+0x40/0x40
[   53.679773][   T52]  ret_from_fork+0x1f/0x30
[   53.684175][   T52]  </TASK>
[   53.687169][   T52] Modules linked in:
[   53.691307][   T52] ---[ end trace 0000000000000000 ]---
[   53.697019][   T52] RIP: 0010:hfs_write_inode+0x5ec/0x980
[   53.703178][   T52] Code: 2e 66 8a 4c 89 ef e8 33 01 39 ff 49 83 fd 03 0f 84 95 00 00 00 49 83 fd 04 74 11 49 83 fd 02 0f 84 f7 fa ff ff e8 24 04 39 ff <0f> 0b e8 1d 04 39 ff 48 8d 7d 28 48 b8 00 00 00 00 00 fc ff df 48
[   53.722843][   T52] RSP: 0018:ffffc90000bd76e8 EFLAGS: 00010293
[   53.728933][   T52] RAX: 0000000000000000 RBX: 1ffff9200017aedf RCX: 0000000000000000
[   53.736918][   T52] RDX: ffff8880183857c0 RSI: ffffffff824719dc RDI: 0000000000000007
[   53.744917][   T52] RBP: ffff88807a360158 R08: 0000000000000007 R09: 0000000000000004
[   53.752921][   T52] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[   53.760902][   T52] R13: 0000000000000000 R14: ffffc90000bd7994 R15: ffffffff8a664d60
[   53.768923][   T52] FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
[   53.777885][   T52] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   53.784530][   T52] CR2: 00007fa675656140 CR3: 000000000c28e000 CR4: 0000000000350ee0
[   53.792503][   T52] Kernel panic - not syncing: Fatal exception
[   53.799426][   T52] Kernel Offset: disabled
[   53.803732][   T52] Rebooting in 86400 seconds..