./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3525059510

<...>
Warning: Permanently added '10.128.1.120' (ED25519) to the list of known hosts.
execve("./syz-executor3525059510", ["./syz-executor3525059510"], 0x7ffdcef07c50 /* 10 vars */) = 0
brk(NULL)                               = 0x55558d610000
brk(0x55558d610d00)                     = 0x55558d610d00
arch_prctl(ARCH_SET_FS, 0x55558d610380) = 0
set_tid_address(0x55558d610650)         = 5822
set_robust_list(0x55558d610660, 24)     = 0
rseq(0x55558d610ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3525059510", 4096) = 28
getrandom("\xbb\x16\xac\xf2\x7e\x1a\x5d\x41", 8, GRND_NONBLOCK) = 8
brk(NULL)                               = 0x55558d610d00
brk(0x55558d631d00)                     = 0x55558d631d00
brk(0x55558d632000)                     = 0x55558d632000
mprotect(0x7f064dd9f000, 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
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 5823 attached
 <unfinished ...>
[pid  5823] set_robust_list(0x55558d610660, 24) = 0
[pid  5823] prctl(PR_SET_PDEATHSIG, SIGKILL <unfinished ...>
[pid  5822] <... clone resumed>, child_tidptr=0x55558d610650) = 5823
[pid  5823] <... prctl resumed>)        = 0
[pid  5823] setpgid(0, 0)               = 0
[pid  5823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid  5823] write(3, "1000", 4)         = 4
[pid  5823] close(3)                    = 0
[pid  5823] write(1, "executing program\n", 18executing program
) = 18
[pid  5823] memfd_create("syzkaller", 0) = 3
[pid  5823] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0645800000
[pid  5823] 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"..., 524288) = 524288
[pid  5823] munmap(0x7f0645800000, 138412032) = 0
[pid  5823] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid  5823] ioctl(4, LOOP_SET_FD, 3)    = 0
[pid  5823] close(3)                    = 0
[pid  5823] close(4)                    = 0
[pid  5823] mkdir("./file1", 0777)      = 0
[pid  5823] mount("/dev/loop0", "./file1", "hfsplus", 0, "") = 0
[   78.682567][ T5823] loop0: detected capacity change from 0 to 1024
[pid  5823] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
[pid  5823] chdir("./file1")            = 0
[pid  5823] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid  5823] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_LARGEFILE, 000) = 4
[pid  5823] open("./bus", O_RDWR|O_CREAT|O_TRUNC|O_SYNC|O_LARGEFILE|O_NOFOLLOW|O_NOATIME, 020) = 5
[pid  5823] rename("./bus", "./file1")  = -1 ENOENT (No such file or directory)
[   78.761421][ T5823] ------------[ cut here ]------------
[   78.767687][ T5823] WARNING: CPU: 0 PID: 5823 at fs/inode.c:407 drop_nlink+0xc4/0x110
[   78.776115][ T5823] Modules linked in:
[   78.780077][ T5823] CPU: 0 UID: 0 PID: 5823 Comm: syz-executor352 Not tainted 6.13.0-rc3-syzkaller-00136-g8faabc041a00 #0
[   78.791487][ T5823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
[   78.801683][ T5823] RIP: 0010:drop_nlink+0xc4/0x110
[   78.806882][ T5823] Code: bb 70 07 00 00 be 08 00 00 00 e8 07 3c e7 ff f0 48 ff 83 70 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 9d 64 83 ff 90 <0f> 0b 90 eb 83 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 5c ff ff ff
[   78.826605][ T5823] RSP: 0018:ffffc90003d7fb90 EFLAGS: 00010293
[   78.832729][ T5823] RAX: ffffffff821c0f03 RBX: 1ffff1100f96a54f RCX: ffff88807cb1da00
[   78.840840][ T5823] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   78.848893][ T5823] RBP: 0000000000000000 R08: ffffffff821c0e83 R09: 1ffff920007afed4
[   78.856933][ T5823] R10: dffffc0000000000 R11: fffff520007afed5 R12: ffff88807cb52a78
[   78.864969][ T5823] R13: ffff88807a4ff7d8 R14: ffff88807cb52a30 R15: dffffc0000000000
[   78.873054][ T5823] FS:  000055558d610380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
[   78.882074][ T5823] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   78.888752][ T5823] CR2: 00007ffd4439a000 CR3: 0000000034854000 CR4: 00000000003526f0
[   78.896792][ T5823] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   78.904778][ T5823] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   78.912839][ T5823] Call Trace:
[   78.916173][ T5823]  <TASK>
[   78.919115][ T5823]  ? __warn+0x165/0x4d0
[   78.923284][ T5823]  ? drop_nlink+0xc4/0x110
[   78.927825][ T5823]  ? report_bug+0x2b3/0x500
[   78.932378][ T5823]  ? drop_nlink+0xc4/0x110
[   78.936878][ T5823]  ? handle_bug+0x60/0x90
[   78.941240][ T5823]  ? exc_invalid_op+0x1a/0x50
[   78.946019][ T5823]  ? asm_exc_invalid_op+0x1a/0x20
[   78.951098][ T5823]  ? drop_nlink+0x43/0x110
[   78.955555][ T5823]  ? drop_nlink+0xc3/0x110
[   78.960104][ T5823]  ? drop_nlink+0xc4/0x110
[   78.964579][ T5823]  hfsplus_unlink+0x3fe/0x790
[   78.969385][ T5823]  ? __pfx_smack_inode_unlink+0x10/0x10
[   78.975012][ T5823]  ? __pfx_hfsplus_unlink+0x10/0x10
[   78.980345][ T5823]  ? down_write+0x18c/0x220
[   78.984888][ T5823]  ? bpf_lsm_inode_unlink+0x9/0x10
[   78.990116][ T5823]  ? security_inode_unlink+0xd9/0x340
[   78.995538][ T5823]  vfs_unlink+0x365/0x650
[   78.999958][ T5823]  do_unlinkat+0x4ae/0x830
[   79.004448][ T5823]  ? __pfx_do_unlinkat+0x10/0x10
[   79.009500][ T5823]  ? __check_object_size+0x47a/0x730
[   79.014845][ T5823]  ? __might_fault+0xc6/0x120
[   79.019624][ T5823]  ? strncpy_from_user+0x152/0x270
[   79.024911][ T5823]  ? getname_flags+0x1e3/0x540
[   79.029849][ T5823]  __x64_sys_unlinkat+0xcc/0xf0
[   79.034752][ T5823]  do_syscall_64+0xf3/0x230
[   79.039364][ T5823]  ? clear_bhb_loop+0x35/0x90
[   79.044095][ T5823]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   79.050113][ T5823] RIP: 0033:0x7f064dd2bad9
[   79.054575][ T5823] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[   79.074322][ T5823] RSP: 002b:00007ffd44399758 EFLAGS: 00000246 ORIG_RAX: 0000000000000107
[   79.082843][ T5823] RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007f064dd2bad9
[   79.090954][ T5823] RDX: 0000000000000000 RSI: 0000000020000c40 RDI: 00000000ffffff9c
[   79.099010][ T5823] RBP: 00007f064dd9f5f0 R08: 000055558d6114c0 R09: 000055558d6114c0
[   79.107120][ T5823] R10: 000055558d6114c0 R11: 0000000000000246 R12: 00007ffd44399780
[   79.115151][ T5823] R13: 00007ffd443999a8 R14: 431bde82d7b634db R15: 00007f064dd7403b
[   79.123229][ T5823]  </TASK>
[   79.126335][ T5823] Kernel panic - not syncing: kernel: panic_on_warn set ...
[   79.133624][ T5823] CPU: 0 UID: 0 PID: 5823 Comm: syz-executor352 Not tainted 6.13.0-rc3-syzkaller-00136-g8faabc041a00 #0
[   79.144750][ T5823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024
[   79.154812][ T5823] Call Trace:
[   79.158099][ T5823]  <TASK>
[   79.161036][ T5823]  dump_stack_lvl+0x241/0x360
[   79.165736][ T5823]  ? __pfx_dump_stack_lvl+0x10/0x10
[   79.170974][ T5823]  ? __pfx__printk+0x10/0x10
[   79.175577][ T5823]  ? vscnprintf+0x5d/0x90
[   79.179932][ T5823]  panic+0x349/0x880
[   79.183839][ T5823]  ? __warn+0x174/0x4d0
[   79.188006][ T5823]  ? __pfx_panic+0x10/0x10
[   79.192443][ T5823]  __warn+0x344/0x4d0
[   79.196430][ T5823]  ? drop_nlink+0xc4/0x110
[   79.200875][ T5823]  report_bug+0x2b3/0x500
[   79.205217][ T5823]  ? drop_nlink+0xc4/0x110
[   79.209738][ T5823]  handle_bug+0x60/0x90
[   79.213902][ T5823]  exc_invalid_op+0x1a/0x50
[   79.218409][ T5823]  asm_exc_invalid_op+0x1a/0x20
[   79.223272][ T5823] RIP: 0010:drop_nlink+0xc4/0x110
[   79.228310][ T5823] Code: bb 70 07 00 00 be 08 00 00 00 e8 07 3c e7 ff f0 48 ff 83 70 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 9d 64 83 ff 90 <0f> 0b 90 eb 83 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 5c ff ff ff
[   79.247928][ T5823] RSP: 0018:ffffc90003d7fb90 EFLAGS: 00010293
[   79.254015][ T5823] RAX: ffffffff821c0f03 RBX: 1ffff1100f96a54f RCX: ffff88807cb1da00
[   79.262086][ T5823] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[   79.270093][ T5823] RBP: 0000000000000000 R08: ffffffff821c0e83 R09: 1ffff920007afed4
[   79.278090][ T5823] R10: dffffc0000000000 R11: fffff520007afed5 R12: ffff88807cb52a78
[   79.286081][ T5823] R13: ffff88807a4ff7d8 R14: ffff88807cb52a30 R15: dffffc0000000000
[   79.294073][ T5823]  ? drop_nlink+0x43/0x110
[   79.298516][ T5823]  ? drop_nlink+0xc3/0x110
[   79.302961][ T5823]  hfsplus_unlink+0x3fe/0x790
[   79.307662][ T5823]  ? __pfx_smack_inode_unlink+0x10/0x10
[   79.313237][ T5823]  ? __pfx_hfsplus_unlink+0x10/0x10
[   79.318451][ T5823]  ? down_write+0x18c/0x220
[   79.322972][ T5823]  ? bpf_lsm_inode_unlink+0x9/0x10
[   79.328100][ T5823]  ? security_inode_unlink+0xd9/0x340
[   79.333498][ T5823]  vfs_unlink+0x365/0x650
[   79.337856][ T5823]  do_unlinkat+0x4ae/0x830
[   79.342298][ T5823]  ? __pfx_do_unlinkat+0x10/0x10
[   79.347251][ T5823]  ? __check_object_size+0x47a/0x730
[   79.352559][ T5823]  ? __might_fault+0xc6/0x120
[   79.357253][ T5823]  ? strncpy_from_user+0x152/0x270
[   79.362391][ T5823]  ? getname_flags+0x1e3/0x540
[   79.367169][ T5823]  __x64_sys_unlinkat+0xcc/0xf0
[   79.372043][ T5823]  do_syscall_64+0xf3/0x230
[   79.376568][ T5823]  ? clear_bhb_loop+0x35/0x90
[   79.381259][ T5823]  entry_SYSCALL_64_after_hwframe+0x77/0x7f
[   79.387171][ T5823] RIP: 0033:0x7f064dd2bad9
[   79.391598][ T5823] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[   79.411219][ T5823] RSP: 002b:00007ffd44399758 EFLAGS: 00000246 ORIG_RAX: 0000000000000107
[   79.419674][ T5823] RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007f064dd2bad9
[   79.427662][ T5823] RDX: 0000000000000000 RSI: 0000000020000c40 RDI: 00000000ffffff9c
[   79.435652][ T5823] RBP: 00007f064dd9f5f0 R08: 000055558d6114c0 R09: 000055558d6114c0
[   79.443646][ T5823] R10: 000055558d6114c0 R11: 0000000000000246 R12: 00007ffd44399780
[   79.451635][ T5823] R13: 00007ffd443999a8 R14: 431bde82d7b634db R15: 00007f064dd7403b
[   79.459659][ T5823]  </TASK>
[   79.463014][ T5823] Kernel Offset: disabled
[   79.467400][ T5823] Rebooting in 86400 seconds..