./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3067374182
<...>
Warning: Permanently added '10.128.0.181' (ED25519) to the list of known hosts.
execve("./syz-executor3067374182", ["./syz-executor3067374182"], 0x7fff48f04300 /* 10 vars */) = 0
brk(NULL) = 0x555590946000
brk(0x555590946d00) = 0x555590946d00
arch_prctl(ARCH_SET_FS, 0x555590946380) = 0
set_tid_address(0x555590946650) = 5820
set_robust_list(0x555590946660, 24) = 0
rseq(0x555590946ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor3067374182", 4096) = 28
getrandom("\x5c\x5b\xae\x23\xf9\x0f\x1d\xc6", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555590946d00
brk(0x555590967d00) = 0x555590967d00
brk(0x555590968000) = 0x555590968000
mprotect(0x7f221d1dd000, 16384, PROT_READ) = 0
mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000
mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000
mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000
write(1, "executing program\n", 18executing program
) = 18
memfd_create("syzkaller", 0) = 3
mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f2214c00000
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"..., 16777216) = 16777216
munmap(0x7f2214c00000, 138412032) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
ioctl(4, LOOP_SET_FD, 3) = 0
close(3) = 0
close(4) = 0
mkdir("./file1", 0777) = 0
mount("/dev/loop0", "./file1", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL|MS_STRICTATIME, "") = 0
openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3
chdir("./file1") = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[ 88.352764][ T5820] loop0: detected capacity change from 0 to 32768
[ 88.414204][ T5820] ------------[ cut here ]------------
[ 88.420211][ T5820] WARNING: CPU: 0 PID: 5820 at fs/inode.c:417 drop_nlink+0xc5/0x110
[ 88.428280][ T5820] Modules linked in:
[ 88.432284][ T5820] CPU: 0 UID: 0 PID: 5820 Comm: syz-executor306 Not tainted 6.15.0-rc5-syzkaller #0 PREEMPT(full)
[ 88.443062][ T5820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/29/2025
[ 88.453180][ T5820] RIP: 0010:drop_nlink+0xc5/0x110
[ 88.458281][ T5820] Code: 70 07 00 00 be 08 00 00 00 e8 b7 84 e8 ff f0 48 ff 83 70 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc cc e8 0c b3 88 ff 90 <0f> 0b 90 eb 81 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5b ff ff ff
[ 88.477945][ T5820] RSP: 0018:ffffc900040ff8b0 EFLAGS: 00010293
[ 88.484026][ T5820] RAX: ffffffff82371c54 RBX: ffff888074b70d68 RCX: ffff88802de43c00
[ 88.492040][ T5820] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 88.500064][ T5820] RBP: 0000000000000000 R08: ffffea0001ebcf77 R09: 1ffffd40003d79ee
[ 88.508120][ T5820] R10: dffffc0000000000 R11: fffff940003d79ef R12: 1ffff1100e96e1b6
[ 88.516124][ T5820] R13: 1ffff9200081ff28 R14: ffff888074b70db0 R15: dffffc0000000000
[ 88.524171][ T5820] FS: 0000555590946380(0000) GS:ffff8881260fd000(0000) knlGS:0000000000000000
[ 88.533164][ T5820] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 88.539856][ T5820] CR2: 00007f4b49d95ed8 CR3: 0000000075bea000 CR4: 00000000003526f0
[ 88.547888][ T5820] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 88.555888][ T5820] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 88.563910][ T5820] Call Trace:
[ 88.567231][ T5820]
[ 88.570175][ T5820] jfs_rename+0xbb3/0x1610
[ 88.574611][ T5820] ? __pfx_jfs_rename+0x10/0x10
[ 88.579625][ T5820] ? __lock_acquire+0xaac/0xd20
[ 88.584514][ T5820] ? do_raw_spin_lock+0x121/0x290
[ 88.589610][ T5820] ? do_raw_spin_unlock+0x122/0x240
[ 88.594873][ T5820] ? __pfx_jfs_rename+0x10/0x10
[ 88.599789][ T5820] vfs_rename+0xb99/0xec0
[ 88.604168][ T5820] ? __pfx_vfs_rename+0x10/0x10
[ 88.609076][ T5820] ? d_alloc+0x144/0x190
[ 88.613357][ T5820] ? bpf_lsm_path_rename+0x9/0x20
[ 88.618457][ T5820] ? security_path_rename+0x17d/0x490
[ 88.623866][ T5820] do_renameat2+0x878/0xc50
[ 88.628532][ T5820] ? __pfx_do_renameat2+0x10/0x10
[ 88.633599][ T5820] ? getname_flags+0x1e5/0x540
[ 88.638420][ T5820] __x64_sys_rename+0x82/0x90
[ 88.643132][ T5820] do_syscall_64+0xf6/0x210
[ 88.647698][ T5820] ? clear_bhb_loop+0x45/0xa0
[ 88.652404][ T5820] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 88.658378][ T5820] RIP: 0033:0x7f221d164639
[ 88.662882][ T5820] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 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
[ 88.682581][ T5820] RSP: 002b:00007ffd13a7c3f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
[ 88.691065][ T5820] RAX: ffffffffffffffda RBX: 00007ffd13a7c5d8 RCX: 00007f221d164639
[ 88.699126][ T5820] RDX: 0000000000000000 RSI: 0000200000000780 RDI: 00002000000003c0
[ 88.707151][ T5820] RBP: 00007f221d1dd610 R08: 0000000000006221 R09: 0000000000000000
[ 88.715129][ T5820] R10: 00007ffd13a7c2c0 R11: 0000000000000246 R12: 0000000000000001
[ 88.723158][ T5820] R13: 00007ffd13a7c5c8 R14: 0000000000000001 R15: 0000000000000001
[ 88.731196][ T5820]
[ 88.734247][ T5820] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 88.741540][ T5820] CPU: 0 UID: 0 PID: 5820 Comm: syz-executor306 Not tainted 6.15.0-rc5-syzkaller #0 PREEMPT(full)
[ 88.752215][ T5820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/29/2025
[ 88.762273][ T5820] Call Trace:
[ 88.765674][ T5820]
[ 88.768627][ T5820] dump_stack_lvl+0x99/0x250
[ 88.773238][ T5820] ? __asan_memcpy+0x40/0x70
[ 88.777841][ T5820] ? __pfx_dump_stack_lvl+0x10/0x10
[ 88.783050][ T5820] ? __pfx__printk+0x10/0x10
[ 88.787659][ T5820] panic+0x2db/0x790
[ 88.791565][ T5820] ? __pfx_panic+0x10/0x10
[ 88.796000][ T5820] __warn+0x31b/0x4b0
[ 88.799995][ T5820] ? drop_nlink+0xc5/0x110
[ 88.804520][ T5820] ? drop_nlink+0xc5/0x110
[ 88.808951][ T5820] report_bug+0x2be/0x4f0
[ 88.813291][ T5820] ? drop_nlink+0xc5/0x110
[ 88.817728][ T5820] ? drop_nlink+0xc5/0x110
[ 88.822159][ T5820] ? drop_nlink+0xc7/0x110
[ 88.826594][ T5820] handle_bug+0x84/0x160
[ 88.831052][ T5820] exc_invalid_op+0x1a/0x50
[ 88.835605][ T5820] asm_exc_invalid_op+0x1a/0x20
[ 88.840475][ T5820] RIP: 0010:drop_nlink+0xc5/0x110
[ 88.845526][ T5820] Code: 70 07 00 00 be 08 00 00 00 e8 b7 84 e8 ff f0 48 ff 83 70 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc cc e8 0c b3 88 ff 90 <0f> 0b 90 eb 81 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c 5b ff ff ff
[ 88.865142][ T5820] RSP: 0018:ffffc900040ff8b0 EFLAGS: 00010293
[ 88.871228][ T5820] RAX: ffffffff82371c54 RBX: ffff888074b70d68 RCX: ffff88802de43c00
[ 88.879228][ T5820] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 88.887204][ T5820] RBP: 0000000000000000 R08: ffffea0001ebcf77 R09: 1ffffd40003d79ee
[ 88.895186][ T5820] R10: dffffc0000000000 R11: fffff940003d79ef R12: 1ffff1100e96e1b6
[ 88.903169][ T5820] R13: 1ffff9200081ff28 R14: ffff888074b70db0 R15: dffffc0000000000
[ 88.911182][ T5820] ? drop_nlink+0xc4/0x110
[ 88.915628][ T5820] jfs_rename+0xbb3/0x1610
[ 88.920068][ T5820] ? __pfx_jfs_rename+0x10/0x10
[ 88.924952][ T5820] ? __lock_acquire+0xaac/0xd20
[ 88.929833][ T5820] ? do_raw_spin_lock+0x121/0x290
[ 88.934905][ T5820] ? do_raw_spin_unlock+0x122/0x240
[ 88.940130][ T5820] ? __pfx_jfs_rename+0x10/0x10
[ 88.945011][ T5820] vfs_rename+0xb99/0xec0
[ 88.949406][ T5820] ? __pfx_vfs_rename+0x10/0x10
[ 88.954282][ T5820] ? d_alloc+0x144/0x190
[ 88.958665][ T5820] ? bpf_lsm_path_rename+0x9/0x20
[ 88.963713][ T5820] ? security_path_rename+0x17d/0x490
[ 88.969111][ T5820] do_renameat2+0x878/0xc50
[ 88.973654][ T5820] ? __pfx_do_renameat2+0x10/0x10
[ 88.978710][ T5820] ? getname_flags+0x1e5/0x540
[ 88.983497][ T5820] __x64_sys_rename+0x82/0x90
[ 88.988193][ T5820] do_syscall_64+0xf6/0x210
[ 88.992714][ T5820] ? clear_bhb_loop+0x45/0xa0
[ 88.997408][ T5820] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 89.003310][ T5820] RIP: 0033:0x7f221d164639
[ 89.007737][ T5820] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 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
[ 89.027357][ T5820] RSP: 002b:00007ffd13a7c3f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
[ 89.035786][ T5820] RAX: ffffffffffffffda RBX: 00007ffd13a7c5d8 RCX: 00007f221d164639
[ 89.043777][ T5820] RDX: 0000000000000000 RSI: 0000200000000780 RDI: 00002000000003c0
[ 89.051797][ T5820] RBP: 00007f221d1dd610 R08: 0000000000006221 R09: 0000000000000000
[ 89.059786][ T5820] R10: 00007ffd13a7c2c0 R11: 0000000000000246 R12: 0000000000000001
[ 89.067772][ T5820] R13: 00007ffd13a7c5c8 R14: 0000000000000001 R15: 0000000000000001
[ 89.075772][ T5820]
[ 89.079100][ T5820] Kernel Offset: disabled
[ 89.083435][ T5820] Rebooting in 86400 seconds..