./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2093828793

<...>
forked to background, child pid 3207
no interfaces have a carrier
[   27.544937][ T3208] 8021q: adding VLAN 0 to HW filter on device bond0
[   27.554427][ T3208] eql: remember to turn off Van-Jacobson compression on your slave devices
Starting sshd: OK

syzkaller
Warning: Permanently added '10.128.0.96' (ECDSA) to the list of known hosts.
execve("./syz-executor2093828793", ["./syz-executor2093828793"], 0x7ffd55aa1330 /* 10 vars */) = 0
brk(NULL)                               = 0x555555de1000
brk(0x555555de1c40)                     = 0x555555de1c40
arch_prctl(ARCH_SET_FS, 0x555555de1300) = 0
uname({sysname="Linux", nodename="syzkaller", ...}) = 0
readlink("/proc/self/exe", "/root/syz-executor2093828793", 4096) = 28
brk(0x555555e02c40)                     = 0x555555e02c40
brk(0x555555e03000)                     = 0x555555e03000
mprotect(0x7f3031f3a000, 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=0x555555de15d0) = 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) = 0x7f3029a7f000
[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(0x7f3029a7f000, 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("./file0", 0777)      = 0
[pid  3629] mount("/dev/loop0", "./file0", "hfs", MS_REC, "") = 0
[pid  3629] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
[pid  3629] chdir("./file0")            = 0
[pid  3629] ioctl(4, LOOP_CLR_FD)       = 0
[pid  3629] close(4)                    = 0
[pid  3629] openat(AT_FDCWD, "cpuacct.usage_percpu_user", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = 4
[pid  3629] exit_group(1)               = ?
syzkaller login: [   52.189228][ T3629] loop0: detected capacity change from 0 to 64
[   52.229685][   T41] ------------[ cut here ]------------
[   52.235702][   T41] kernel BUG at fs/hfs/inode.c:446!
[   52.242020][   T41] invalid opcode: 0000 [#1] PREEMPT SMP KASAN
[   52.248125][   T41] CPU: 1 PID: 41 Comm: kworker/u4:2 Not tainted 6.1.0-rc8-syzkaller-00148-g0d1409e4ff08 #0
[   52.258095][   T41] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
[   52.268137][   T41] Workqueue: writeback wb_workfn (flush-7:0)
[   52.274129][   T41] RIP: 0010:hfs_write_inode+0x5ec/0x980
[   52.279670][   T41] Code: 2e 66 8a 4c 89 ef e8 f3 ff 38 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 e4 02 39 ff <0f> 0b e8 dd 02 39 ff 48 8d 7d 28 48 b8 00 00 00 00 00 fc ff df 48
[   52.299270][   T41] RSP: 0018:ffffc90000b276e8 EFLAGS: 00010293
[   52.305347][   T41] RAX: 0000000000000000 RBX: 1ffff92000164edf RCX: 0000000000000000
[   52.313396][   T41] RDX: ffff8880170e1d40 RSI: ffffffff82471b1c RDI: 0000000000000007
[   52.321381][   T41] RBP: ffff888073fe94d8 R08: 0000000000000007 R09: 0000000000000004
[   52.329438][   T41] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[   52.337409][   T41] R13: 0000000000000000 R14: ffffc90000b27994 R15: ffffffff8a664da0
[   52.345474][   T41] FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
[   52.354412][   T41] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.360989][   T41] CR2: 00007fff68aaf038 CR3: 0000000021e45000 CR4: 0000000000350ee0
[   52.368949][   T41] Call Trace:
[   52.372226][   T41]  <TASK>
[   52.375148][   T41]  ? hfs_inode_write_fork+0x1c0/0x1c0
[   52.380539][   T41]  ? find_held_lock+0x2d/0x110
[   52.385304][   T41]  ? __writeback_single_inode+0x323/0x1440
[   52.391114][   T41]  ? lock_downgrade+0x6e0/0x6e0
[   52.395968][   T41]  ? do_raw_spin_lock+0x124/0x2b0
[   52.400984][   T41]  __writeback_single_inode+0xcfc/0x1440
[   52.406610][   T41]  writeback_sb_inodes+0x54d/0xf90
[   52.411738][   T41]  ? sync_inode_metadata+0xe0/0xe0
[   52.416859][   T41]  ? rcu_read_lock_sched_held+0x3e/0x70
[   52.422497][   T41]  ? queue_io+0x427/0x600
[   52.426818][   T41]  wb_writeback+0x2c5/0xd70
[   52.431316][   T41]  ? __writeback_inodes_wb+0x280/0x280
[   52.436774][   T41]  wb_workfn+0x2e0/0x12f0
[   52.441106][   T41]  ? inode_wait_for_writeback+0x40/0x40
[   52.446654][   T41]  ? lock_release+0x810/0x810
[   52.451346][   T41]  ? lock_downgrade+0x6e0/0x6e0
[   52.456209][   T41]  ? __switch_to+0x5d0/0x10e0
[   52.460881][   T41]  process_one_work+0x9bf/0x1710
[   52.465816][   T41]  ? pwq_dec_nr_in_flight+0x2a0/0x2a0
[   52.471207][   T41]  ? rwlock_bug.part.0+0x90/0x90
[   52.476227][   T41]  ? _raw_spin_lock_irq+0x45/0x50
[   52.481425][   T41]  worker_thread+0x669/0x1090
[   52.486102][   T41]  ? process_one_work+0x1710/0x1710
[   52.491310][   T41]  kthread+0x2e8/0x3a0
[   52.495367][   T41]  ? kthread_complete_and_exit+0x40/0x40
[   52.500996][   T41]  ret_from_fork+0x1f/0x30
[   52.505419][   T41]  </TASK>
[   52.508427][   T41] Modules linked in:
[   52.512562][   T41] ---[ end trace 0000000000000000 ]---
[   52.518061][   T41] RIP: 0010:hfs_write_inode+0x5ec/0x980
[   52.523705][   T41] Code: 2e 66 8a 4c 89 ef e8 f3 ff 38 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 e4 02 39 ff <0f> 0b e8 dd 02 39 ff 48 8d 7d 28 48 b8 00 00 00 00 00 fc ff df 48
[   52.543377][   T41] RSP: 0018:ffffc90000b276e8 EFLAGS: 00010293
[   52.549433][   T41] RAX: 0000000000000000 RBX: 1ffff92000164edf RCX: 0000000000000000
[   52.557472][   T41] RDX: ffff8880170e1d40 RSI: ffffffff82471b1c RDI: 0000000000000007
[   52.565501][   T41] RBP: ffff888073fe94d8 R08: 0000000000000007 R09: 0000000000000004
[   52.573503][   T41] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[   52.581512][   T41] R13: 0000000000000000 R14: ffffc90000b27994 R15: ffffffff8a664da0
[   52.589492][   T41] FS:  0000000000000000(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
[   52.598456][   T41] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   52.605113][   T41] CR2: 00007fff68aaf038 CR3: 0000000021e45000 CR4: 0000000000350ee0
[   52.613209][   T41] Kernel panic - not syncing: Fatal exception
[   52.619932][   T41] Kernel Offset: disabled
[   52.624250][   T41] Rebooting in 86400 seconds..