./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2279717072
<...>
Warning: Permanently added '10.128.1.93' (ED25519) to the list of known hosts.
execve("./syz-executor2279717072", ["./syz-executor2279717072"], 0x7fffffa27990 /* 10 vars */) = 0
brk(NULL) = 0x55556b6af000
brk(0x55556b6afd00) = 0x55556b6afd00
arch_prctl(ARCH_SET_FS, 0x55556b6af380) = 0
set_tid_address(0x55556b6af650) = 5817
set_robust_list(0x55556b6af660, 24) = 0
rseq(0x55556b6afca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2279717072", 4096) = 28
getrandom("\xe9\x01\x81\xc5\x26\xe9\xbd\xdd", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55556b6afd00
brk(0x55556b6d0d00) = 0x55556b6d0d00
brk(0x55556b6d1000) = 0x55556b6d1000
mprotect(0x7fe20dcce000, 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) = 0x7fe205800000
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(0x7fe205800000, 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
[ 87.897357][ T5817] loop0: detected capacity change from 0 to 32768
chdir("./file1") = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[ 87.975742][ T5817] ------------[ cut here ]------------
[ 87.981367][ T5817] WARNING: CPU: 0 PID: 5817 at fs/inode.c:417 drop_nlink+0xc5/0x110
[ 87.989962][ T5817] Modules linked in:
[ 87.994070][ T5817] CPU: 0 UID: 0 PID: 5817 Comm: syz-executor227 Not tainted 6.15.0-rc5-syzkaller #0 PREEMPT(full)
[ 88.004805][ T5817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/29/2025
[ 88.014935][ T5817] RIP: 0010:drop_nlink+0xc5/0x110
[ 88.020004][ T5817] 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
[ 88.039782][ T5817] RSP: 0018:ffffc90003fa78b0 EFLAGS: 00010293
[ 88.045981][ T5817] RAX: ffffffff82371c54 RBX: ffff888078bd8d68 RCX: ffff888079695a00
[ 88.054014][ T5817] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 88.062012][ T5817] RBP: 0000000000000000 R08: ffffea0001d573b7 R09: 1ffffd40003aae76
[ 88.070032][ T5817] R10: dffffc0000000000 R11: fffff940003aae77 R12: 1ffff1100f17b1b6
[ 88.078058][ T5817] R13: 1ffff920007f4f28 R14: ffff888078bd8db0 R15: dffffc0000000000
[ 88.086076][ T5817] FS: 000055556b6af380(0000) GS:ffff8881260fd000(0000) knlGS:0000000000000000
[ 88.095068][ T5817] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 88.101745][ T5817] CR2: 000000000066c7e0 CR3: 0000000075764000 CR4: 00000000003526f0
[ 88.109779][ T5817] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 88.117801][ T5817] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 88.125813][ T5817] Call Trace:
[ 88.129132][ T5817]
[ 88.132075][ T5817] jfs_rename+0xbb3/0x1610
[ 88.136569][ T5817] ? __pfx_jfs_rename+0x10/0x10
[ 88.141468][ T5817] ? __lock_acquire+0xaac/0xd20
[ 88.146381][ T5817] ? do_raw_spin_lock+0x121/0x290
[ 88.151440][ T5817] ? do_raw_spin_unlock+0x122/0x240
[ 88.156729][ T5817] ? __pfx_jfs_rename+0x10/0x10
[ 88.161637][ T5817] vfs_rename+0xb99/0xec0
[ 88.166530][ T5817] ? __pfx_vfs_rename+0x10/0x10
[ 88.171445][ T5817] ? d_alloc+0x144/0x190
[ 88.175765][ T5817] ? bpf_lsm_path_rename+0x9/0x20
[ 88.180832][ T5817] ? security_path_rename+0x17d/0x490
[ 88.186325][ T5817] do_renameat2+0x878/0xc50
[ 88.190879][ T5817] ? __pfx_do_renameat2+0x10/0x10
[ 88.195980][ T5817] ? getname_flags+0x1e5/0x540
[ 88.200786][ T5817] __x64_sys_rename+0x82/0x90
[ 88.205531][ T5817] do_syscall_64+0xf6/0x210
[ 88.210079][ T5817] ? clear_bhb_loop+0x45/0xa0
[ 88.214823][ T5817] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 88.220741][ T5817] RIP: 0033:0x7fe20dc55639
[ 88.225216][ T5817] 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
[ 88.244888][ T5817] RSP: 002b:00007ffc472e5298 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
[ 88.253354][ T5817] RAX: ffffffffffffffda RBX: 00007ffc472e5478 RCX: 00007fe20dc55639
[ 88.261348][ T5817] RDX: 0000000000000000 RSI: 0000200000000780 RDI: 00002000000003c0
[ 88.269459][ T5817] RBP: 00007fe20dcce610 R08: 0000000000006221 R09: 0000000000000000
[ 88.277491][ T5817] R10: 00007ffc472e5160 R11: 0000000000000246 R12: 0000000000000001
[ 88.285536][ T5817] R13: 00007ffc472e5468 R14: 0000000000000001 R15: 0000000000000001
[ 88.293591][ T5817]
[ 88.296641][ T5817] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 88.303940][ T5817] CPU: 0 UID: 0 PID: 5817 Comm: syz-executor227 Not tainted 6.15.0-rc5-syzkaller #0 PREEMPT(full)
[ 88.314616][ T5817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/29/2025
[ 88.324674][ T5817] Call Trace:
[ 88.327966][ T5817]
[ 88.330904][ T5817] dump_stack_lvl+0x99/0x250
[ 88.335507][ T5817] ? __asan_memcpy+0x40/0x70
[ 88.340105][ T5817] ? __pfx_dump_stack_lvl+0x10/0x10
[ 88.345318][ T5817] ? __pfx__printk+0x10/0x10
[ 88.349934][ T5817] panic+0x2db/0x790
[ 88.353850][ T5817] ? __pfx_panic+0x10/0x10
[ 88.358297][ T5817] __warn+0x31b/0x4b0
[ 88.362290][ T5817] ? drop_nlink+0xc5/0x110
[ 88.366731][ T5817] ? drop_nlink+0xc5/0x110
[ 88.371157][ T5817] report_bug+0x2be/0x4f0
[ 88.375607][ T5817] ? drop_nlink+0xc5/0x110
[ 88.380051][ T5817] ? drop_nlink+0xc5/0x110
[ 88.384496][ T5817] ? drop_nlink+0xc7/0x110
[ 88.388932][ T5817] handle_bug+0x84/0x160
[ 88.393213][ T5817] exc_invalid_op+0x1a/0x50
[ 88.397748][ T5817] asm_exc_invalid_op+0x1a/0x20
[ 88.402626][ T5817] RIP: 0010:drop_nlink+0xc5/0x110
[ 88.407671][ T5817] 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
[ 88.427302][ T5817] RSP: 0018:ffffc90003fa78b0 EFLAGS: 00010293
[ 88.433392][ T5817] RAX: ffffffff82371c54 RBX: ffff888078bd8d68 RCX: ffff888079695a00
[ 88.441377][ T5817] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 88.449350][ T5817] RBP: 0000000000000000 R08: ffffea0001d573b7 R09: 1ffffd40003aae76
[ 88.457331][ T5817] R10: dffffc0000000000 R11: fffff940003aae77 R12: 1ffff1100f17b1b6
[ 88.465310][ T5817] R13: 1ffff920007f4f28 R14: ffff888078bd8db0 R15: dffffc0000000000
[ 88.473402][ T5817] ? drop_nlink+0xc4/0x110
[ 88.477870][ T5817] jfs_rename+0xbb3/0x1610
[ 88.482321][ T5817] ? __pfx_jfs_rename+0x10/0x10
[ 88.487208][ T5817] ? __lock_acquire+0xaac/0xd20
[ 88.492075][ T5817] ? do_raw_spin_lock+0x121/0x290
[ 88.497118][ T5817] ? do_raw_spin_unlock+0x122/0x240
[ 88.502323][ T5817] ? __pfx_jfs_rename+0x10/0x10
[ 88.507192][ T5817] vfs_rename+0xb99/0xec0
[ 88.511550][ T5817] ? __pfx_vfs_rename+0x10/0x10
[ 88.516423][ T5817] ? d_alloc+0x144/0x190
[ 88.520673][ T5817] ? bpf_lsm_path_rename+0x9/0x20
[ 88.525702][ T5817] ? security_path_rename+0x17d/0x490
[ 88.531095][ T5817] do_renameat2+0x878/0xc50
[ 88.535634][ T5817] ? __pfx_do_renameat2+0x10/0x10
[ 88.540688][ T5817] ? getname_flags+0x1e5/0x540
[ 88.545479][ T5817] __x64_sys_rename+0x82/0x90
[ 88.550260][ T5817] do_syscall_64+0xf6/0x210
[ 88.554809][ T5817] ? clear_bhb_loop+0x45/0xa0
[ 88.559496][ T5817] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 88.565395][ T5817] RIP: 0033:0x7fe20dc55639
[ 88.569813][ T5817] 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
[ 88.589521][ T5817] RSP: 002b:00007ffc472e5298 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
[ 88.597946][ T5817] RAX: ffffffffffffffda RBX: 00007ffc472e5478 RCX: 00007fe20dc55639
[ 88.605923][ T5817] RDX: 0000000000000000 RSI: 0000200000000780 RDI: 00002000000003c0
[ 88.613906][ T5817] RBP: 00007fe20dcce610 R08: 0000000000006221 R09: 0000000000000000
[ 88.621972][ T5817] R10: 00007ffc472e5160 R11: 0000000000000246 R12: 0000000000000001
[ 88.629976][ T5817] R13: 00007ffc472e5468 R14: 0000000000000001 R15: 0000000000000001
[ 88.637978][ T5817]
[ 88.641284][ T5817] Kernel Offset: disabled
[ 88.645623][ T5817] Rebooting in 86400 seconds..