./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3750209876

<...>
Warning: Permanently added '10.128.1.190' (ED25519) to the list of known hosts.
execve("./syz-executor3750209876", ["./syz-executor3750209876"], 0x7fff82f72200 /* 10 vars */) = 0
brk(NULL)                               = 0x55558bda2000
brk(0x55558bda2d00)                     = 0x55558bda2d00
arch_prctl(ARCH_SET_FS, 0x55558bda2380) = 0
set_tid_address(0x55558bda2650)         = 5840
set_robust_list(0x55558bda2660, 24)     = 0
rseq(0x55558bda2ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3750209876", 4096) = 28
getrandom("\x54\xbe\xe9\x8b\x10\x57\x1f\xbf", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55558bda2d00
brk(0x55558bdc3d00)                     = 0x55558bdc3d00
brk(0x55558bdc4000)                     = 0x55558bdc4000
mprotect(0x7ffb8455a000, 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
mkdir("./syzkaller.BlL7ed", 0700)       = 0
chmod("./syzkaller.BlL7ed", 0777)       = 0
chdir("./syzkaller.BlL7ed")             = 0
mkdir("./0", 0777)                      = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR)  = 3
ioctl(3, LOOP_CLR_FD)                   = -1 ENXIO (No such device or address)
close(3)                                = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5841 attached
 <unfinished ...>
[pid  5841] set_robust_list(0x55558bda2660, 24 <unfinished ...>
[pid  5840] <... clone resumed>, child_tidptr=0x55558bda2650) = 5841
[pid  5841] <... set_robust_list resumed>) = 0
[pid  5841] chdir("./0")                = 0
[pid  5841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid  5841] setpgid(0, 0)               = 0
[pid  5841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5841] write(3, "1000", 4)         = 4
[pid  5841] close(3)                    = 0
[pid  5841] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid  5841] write(1, "executing program\n", 18) = 18
[pid  5841] memfd_create("syzkaller", 0) = 3
[pid  5841] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ffb7c000000
[pid  5841] 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  5841] munmap(0x7ffb7c000000, 138412032) = 0
[pid  5841] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5841] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5841] close(3)                    = 0
[pid  5841] close(4)                    = 0
[pid  5841] mkdir("./bus", 0777)        = 0
[pid  5841] mount("/dev/loop0", "./bus", "minix", MS_REC, "") = 0
[pid  5841] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid  5841] chdir("./bus")              = 0
[pid  5841] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[   62.416058][ T5841] loop0: detected capacity change from 0 to 64
[pid  5841] truncate("./file2", 524288) = 0
[pid  5841] open("./bus", O_RDWR|O_CREAT|O_NONBLOCK|O_DIRECT|O_NOFOLLOW|O_NOATIME, 000) = -1 ENOSPC (No space left on device)
[pid  5841] mkdir("./bus", 000)         = 0
[pid  5841] chdir("./bus")              = 0
[pid  5841] creat("./bus", 000)         = 4
[pid  5841] mkdirat(AT_FDCWD, "./file0", 000) = 0
[pid  5841] openat(AT_FDCWD, "/dev/fuse", O_RDWR|O_CREAT, 000) = 5
[   62.469737][ T5841] Trying to free block not in datazone
[pid  5841] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000005,rootmode=00000000000000000040000,user_id=00000000000000000000,group_id=0000000"...) = 0
[pid  5841] exit_group(0)               = ?
[pid  5841] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5841, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55558bda36f0 /* 4 entries */, 32768) = 104
umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./0/binderfs")                  = 0
umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
newfstatat(AT_FDCWD, "./0/bus", {st_mode=S_IFDIR|0755, st_size=512, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
openat(AT_FDCWD, "./0/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0755, st_size=512, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x55558bdab730 /* 8 entries */, 32768) = 232
umount2("./0/bus/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./0/bus/file0", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./0/bus/file0")                 = 0
umount2("./0/bus/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./0/bus/file1", {st_mode=S_IFREG|0755, st_size=10, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./0/bus/file1")                 = 0
umount2("./0/bus/file2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./0/bus/file2", {st_mode=S_IFREG|0755, st_size=524288, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./0/bus/file2")                 = 0
[   62.813343][ T5840] Trying to free block not in datazone
[   62.818983][ T5840] minix_free_inode: bit 5 already cleared
umount2("./0/bus/file3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./0/bus/file3", {st_mode=S_IFREG|0755, st_size=524288, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./0/bus/file3")                 = 0
umount2("./0/bus/file.cold", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./0/bus/file.cold", {st_mode=S_IFREG|0755, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[   62.901553][ T5840] Trying to free block not in datazone
[   62.908307][ T5840] Trying to free block not in datazone
[   62.913857][ T5840] Trying to free block not in datazone
[   62.919346][ T5840] minix_free_inode: bit 6 already cleared
unlink("./0/bus/file.cold")             = 0
umount2("./0/bus/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./0/bus/bus", {st_mode=S_IFDIR|000, st_size=256, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./0/bus/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
[   62.959357][ T5840] Trying to free block not in datazone
[   62.965650][ T5840] minix_free_inode: bit 7 already cleared
openat(AT_FDCWD, "./0/bus/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5
newfstatat(5, "", {st_mode=S_IFDIR|000, st_size=256, ...}, AT_EMPTY_PATH) = 0
getdents64(5, 0x55558bdb3770 /* 4 entries */, 32768) = 104
umount2("./0/bus/bus/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./0/bus/bus/bus", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
[   63.071613][ T5840] ------------[ cut here ]------------
[   63.077210][ T5840] WARNING: CPU: 0 PID: 5840 at fs/inode.c:407 drop_nlink+0xc4/0x110
[   63.085838][ T5840] Modules linked in:
[   63.089795][ T5840] CPU: 0 UID: 0 PID: 5840 Comm: syz-executor375 Not tainted 6.12.0-syzkaller-09073-g9f16d5e6f220 #0
[   63.101328][ T5840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   63.111474][ T5840] RIP: 0010:drop_nlink+0xc4/0x110
[   63.116617][ T5840] Code: bb 70 07 00 00 be 08 00 00 00 e8 b7 08 e6 ff f0 48 ff 83 70 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 fd 4e 7e ff 90 <0f> 0b 90 eb 83 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 5c ff ff ff
[   63.136451][ T5840] RSP: 0018:ffffc9000379fc30 EFLAGS: 00010293
[   63.142599][ T5840] RAX: ffffffff821790c3 RBX: 1ffff1100f109163 RCX: ffff88801f7e5a00
[   63.150567][ T5840] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   63.158631][ T5840] RBP: 0000000000000000 R08: ffffffff82179043 R09: 1ffffffff203846e
[   63.166705][ T5840] R10: dffffc0000000000 R11: fffffbfff203846f R12: ffff888078848b18
[   63.174815][ T5840] R13: 0000000000000000 R14: ffff888078848ad0 R15: dffffc0000000000
[   63.182834][ T5840] FS:  000055558bda2380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
[   63.191833][ T5840] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   63.199334][ T5840] CR2: 000055558bdb3738 CR3: 000000002a034000 CR4: 00000000003526f0
[   63.208544][ T5840] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   63.217147][ T5840] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   63.225206][ T5840] Call Trace:
[   63.228507][ T5840]  <TASK>
[   63.231483][ T5840]  ? __warn+0x168/0x4e0
[   63.235669][ T5840]  ? drop_nlink+0xc4/0x110
[   63.240094][ T5840]  ? report_bug+0x2b3/0x500
[   63.244670][ T5840]  ? drop_nlink+0xc4/0x110
[   63.249129][ T5840]  ? handle_bug+0x60/0x90
[   63.253521][ T5840]  ? exc_invalid_op+0x1a/0x50
[   63.258247][ T5840]  ? asm_exc_invalid_op+0x1a/0x20
[   63.263378][ T5840]  ? drop_nlink+0x43/0x110
[   63.267837][ T5840]  ? drop_nlink+0xc3/0x110
[   63.272348][ T5840]  ? drop_nlink+0xc4/0x110
[   63.276787][ T5840]  minix_unlink+0x22c/0x2d0
[   63.281415][ T5840]  ? __pfx_minix_unlink+0x10/0x10
[   63.286488][ T5840]  ? bpf_lsm_inode_unlink+0x9/0x10
[   63.291697][ T5840]  ? security_inode_unlink+0xd9/0x340
[   63.297126][ T5840]  vfs_unlink+0x365/0x650
[   63.301526][ T5840]  do_unlinkat+0x4ae/0x830
[   63.305974][ T5840]  ? __pfx_do_unlinkat+0x10/0x10
[   63.310970][ T5840]  ? __might_fault+0xc6/0x120
[   63.315669][ T5840]  ? strncpy_from_user+0x152/0x270
[   63.320855][ T5840]  ? getname_flags+0x1e3/0x540
[   63.325648][ T5840]  __x64_sys_unlink+0x47/0x50
[   63.330512][ T5840]  do_syscall_64+0xf3/0x230
[   63.335262][ T5840]  ? clear_bhb_loop+0x35/0x90
[   63.339970][ T5840]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   63.345917][ T5840] RIP: 0033:0x7ffb844e5d17
[   63.350361][ T5840] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 57 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[   63.370055][ T5840] RSP: 002b:00007ffc561509d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
[   63.378555][ T5840] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffb844e5d17
[   63.386600][ T5840] RDX: 00007ffc56150a00 RSI: 00007ffc56150a90 RDI: 00007ffc56150a90
[   63.394812][ T5840] RBP: 00007ffc56150a90 R08: 0000000000000000 R09: 0000000000000000
[   63.402851][ T5840] R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffc56151b80
[   63.410864][ T5840] R13: 000055558bdb3740 R14: 431bde82d7b634db R15: 00007ffc56153d00
[   63.419111][ T5840]  </TASK>
[   63.422170][ T5840] Kernel panic - not syncing: kernel: panic_on_warn set ...
[   63.429487][ T5840] CPU: 0 UID: 0 PID: 5840 Comm: syz-executor375 Not tainted 6.12.0-syzkaller-09073-g9f16d5e6f220 #0
[   63.440433][ T5840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[   63.450785][ T5840] Call Trace:
[   63.454075][ T5840]  <TASK>
[   63.457084][ T5840]  dump_stack_lvl+0x241/0x360
[   63.461777][ T5840]  ? __pfx_dump_stack_lvl+0x10/0x10
[   63.466992][ T5840]  ? __pfx__printk+0x10/0x10
[   63.471615][ T5840]  ? _printk+0xd5/0x120
[   63.475936][ T5840]  ? __init_begin+0x41000/0x41000
[   63.480976][ T5840]  ? vscnprintf+0x5d/0x90
[   63.485315][ T5840]  panic+0x349/0x880
[   63.489230][ T5840]  ? __warn+0x177/0x4e0
[   63.493411][ T5840]  ? __pfx_panic+0x10/0x10
[   63.497827][ T5840]  ? show_trace_log_lvl+0x3b2/0x410
[   63.503053][ T5840]  __warn+0x34b/0x4e0
[   63.507078][ T5840]  ? drop_nlink+0xc4/0x110
[   63.511504][ T5840]  report_bug+0x2b3/0x500
[   63.515869][ T5840]  ? drop_nlink+0xc4/0x110
[   63.520307][ T5840]  handle_bug+0x60/0x90
[   63.524655][ T5840]  exc_invalid_op+0x1a/0x50
[   63.529160][ T5840]  asm_exc_invalid_op+0x1a/0x20
[   63.534105][ T5840] RIP: 0010:drop_nlink+0xc4/0x110
[   63.539136][ T5840] Code: bb 70 07 00 00 be 08 00 00 00 e8 b7 08 e6 ff f0 48 ff 83 70 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 fd 4e 7e ff 90 <0f> 0b 90 eb 83 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 5c ff ff ff
[   63.558937][ T5840] RSP: 0018:ffffc9000379fc30 EFLAGS: 00010293
[   63.565044][ T5840] RAX: ffffffff821790c3 RBX: 1ffff1100f109163 RCX: ffff88801f7e5a00
[   63.573079][ T5840] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   63.581149][ T5840] RBP: 0000000000000000 R08: ffffffff82179043 R09: 1ffffffff203846e
[   63.589148][ T5840] R10: dffffc0000000000 R11: fffffbfff203846f R12: ffff888078848b18
[   63.597148][ T5840] R13: 0000000000000000 R14: ffff888078848ad0 R15: dffffc0000000000
[   63.605330][ T5840]  ? drop_nlink+0x43/0x110
[   63.609753][ T5840]  ? drop_nlink+0xc3/0x110
[   63.614177][ T5840]  minix_unlink+0x22c/0x2d0
[   63.618689][ T5840]  ? __pfx_minix_unlink+0x10/0x10
[   63.623720][ T5840]  ? bpf_lsm_inode_unlink+0x9/0x10
[   63.628834][ T5840]  ? security_inode_unlink+0xd9/0x340
[   63.634207][ T5840]  vfs_unlink+0x365/0x650
[   63.638554][ T5840]  do_unlinkat+0x4ae/0x830
[   63.643151][ T5840]  ? __pfx_do_unlinkat+0x10/0x10
[   63.648091][ T5840]  ? __might_fault+0xc6/0x120
[   63.652797][ T5840]  ? strncpy_from_user+0x152/0x270
[   63.658024][ T5840]  ? getname_flags+0x1e3/0x540
[   63.662974][ T5840]  __x64_sys_unlink+0x47/0x50
[   63.667829][ T5840]  do_syscall_64+0xf3/0x230
[   63.672545][ T5840]  ? clear_bhb_loop+0x35/0x90
[   63.677615][ T5840]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   63.683558][ T5840] RIP: 0033:0x7ffb844e5d17
[   63.688078][ T5840] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 57 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[   63.709022][ T5840] RSP: 002b:00007ffc561509d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000057
[   63.717899][ T5840] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffb844e5d17
[   63.726168][ T5840] RDX: 00007ffc56150a00 RSI: 00007ffc56150a90 RDI: 00007ffc56150a90
[   63.734147][ T5840] RBP: 00007ffc56150a90 R08: 0000000000000000 R09: 0000000000000000
[   63.742299][ T5840] R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffc56151b80
[   63.751274][ T5840] R13: 000055558bdb3740 R14: 431bde82d7b634db R15: 00007ffc56153d00
[   63.759383][ T5840]  </TASK>
[   63.762674][ T5840] Kernel Offset: disabled
[   63.767074][ T5840] Rebooting in 86400 seconds..