./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2403144971
<...>
Warning: Permanently added '10.128.0.176' (ED25519) to the list of known hosts.
execve("./syz-executor2403144971", ["./syz-executor2403144971"], 0x7ffd2bee62c0 /* 10 vars */) = 0
brk(NULL) = 0x555585560000
brk(0x555585560d00) = 0x555585560d00
arch_prctl(ARCH_SET_FS, 0x555585560380) = 0
set_tid_address(0x555585560650) = 5815
set_robust_list(0x555585560660, 24) = 0
rseq(0x555585560ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2403144971", 4096) = 28
getrandom("\x5c\xeb\xf7\x12\xf0\xd9\xeb\xed", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555585560d00
brk(0x555585581d00) = 0x555585581d00
brk(0x555585582000) = 0x555585582000
mprotect(0x7ff16a949000, 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
executing program
write(1, "executing program\n", 18) = 18
memfd_create("syzkaller", 0) = 3
mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7ff162400000
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(0x7ff162400000, 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)
[ 87.211225][ T5815] loop0: detected capacity change from 0 to 32768
[ 87.267224][ T5815] ------------[ cut here ]------------
[ 87.272851][ T5815] WARNING: CPU: 0 PID: 5815 at fs/inode.c:417 drop_nlink+0xc5/0x110
[ 87.280874][ T5815] Modules linked in:
[ 87.286043][ T5815] CPU: 0 UID: 0 PID: 5815 Comm: syz-executor240 Not tainted 6.15.0-rc4-syzkaller-00319-g14c55b7bb0a8 #0 PREEMPT(full)
[ 87.298534][ T5815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/29/2025
[ 87.308642][ T5815] RIP: 0010:drop_nlink+0xc5/0x110
[ 87.313722][ T5815] 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
[ 87.333464][ T5815] RSP: 0018:ffffc9000403f8b0 EFLAGS: 00010293
[ 87.339537][ T5815] RAX: ffffffff82371c54 RBX: ffff88807ab92910 RCX: ffff888068d38000
[ 87.347558][ T5815] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 87.355605][ T5815] RBP: 0000000000000000 R08: ffffea0001ebfef7 R09: 1ffffd40003d7fde
[ 87.363619][ T5815] R10: dffffc0000000000 R11: fffff940003d7fdf R12: 1ffff1100f57252b
[ 87.371605][ T5815] R13: 1ffff92000807f28 R14: ffff88807ab92958 R15: dffffc0000000000
[ 87.379643][ T5815] FS: 0000555585560380(0000) GS:ffff8881260fd000(0000) knlGS:0000000000000000
[ 87.388606][ T5815] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 87.395235][ T5815] CR2: 000000000066c7e0 CR3: 000000007eb1a000 CR4: 00000000003526f0
[ 87.403284][ T5815] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 87.411268][ T5815] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 87.419306][ T5815] Call Trace:
[ 87.422597][ T5815]
[ 87.425568][ T5815] jfs_rename+0xbb3/0x1610
[ 87.430021][ T5815] ? __pfx_jfs_rename+0x10/0x10
[ 87.435048][ T5815] ? __lock_acquire+0xaac/0xd20
[ 87.439934][ T5815] ? do_raw_spin_lock+0x121/0x290
[ 87.445038][ T5815] ? do_raw_spin_unlock+0x122/0x240
[ 87.450259][ T5815] ? __pfx_jfs_rename+0x10/0x10
[ 87.455183][ T5815] vfs_rename+0xb99/0xec0
[ 87.459550][ T5815] ? __pfx_vfs_rename+0x10/0x10
[ 87.464458][ T5815] ? d_alloc+0x144/0x190
[ 87.468736][ T5815] ? bpf_lsm_path_rename+0x9/0x20
[ 87.473857][ T5815] ? security_path_rename+0x17d/0x490
[ 87.479273][ T5815] do_renameat2+0x878/0xc50
[ 87.483868][ T5815] ? __pfx_do_renameat2+0x10/0x10
[ 87.488928][ T5815] ? getname_flags+0x1e5/0x540
[ 87.493783][ T5815] __x64_sys_rename+0x82/0x90
[ 87.498491][ T5815] do_syscall_64+0xf6/0x210
[ 87.503056][ T5815] ? asm_common_interrupt+0x26/0x40
[ 87.508281][ T5815] ? clear_bhb_loop+0x45/0xa0
[ 87.513057][ T5815] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 87.519004][ T5815] RIP: 0033:0x7ff16a8d0639
[ 87.523475][ T5815] 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
[ 87.543154][ T5815] RSP: 002b:00007ffc9b984ab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
[ 87.551573][ T5815] RAX: ffffffffffffffda RBX: 00007ffc9b984c98 RCX: 00007ff16a8d0639
[ 87.559602][ T5815] RDX: 0000000000000000 RSI: 0000200000000780 RDI: 00002000000003c0
[ 87.567623][ T5815] RBP: 00007ff16a949610 R08: 0000000000006221 R09: 0000000000000000
[ 87.575643][ T5815] R10: 00007ffc9b984980 R11: 0000000000000246 R12: 0000000000000001
[ 87.583665][ T5815] R13: 00007ffc9b984c88 R14: 0000000000000001 R15: 0000000000000001
[ 87.591649][ T5815]
[ 87.594723][ T5815] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 87.602013][ T5815] CPU: 0 UID: 0 PID: 5815 Comm: syz-executor240 Not tainted 6.15.0-rc4-syzkaller-00319-g14c55b7bb0a8 #0 PREEMPT(full)
[ 87.614420][ T5815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/29/2025
[ 87.624480][ T5815] Call Trace:
[ 87.627761][ T5815]
[ 87.630693][ T5815] dump_stack_lvl+0x99/0x250
[ 87.635298][ T5815] ? __asan_memcpy+0x40/0x70
[ 87.639894][ T5815] ? __pfx_dump_stack_lvl+0x10/0x10
[ 87.645101][ T5815] ? __pfx__printk+0x10/0x10
[ 87.649717][ T5815] panic+0x2db/0x790
[ 87.653627][ T5815] ? __pfx_panic+0x10/0x10
[ 87.658068][ T5815] __warn+0x31b/0x4b0
[ 87.662056][ T5815] ? drop_nlink+0xc5/0x110
[ 87.666484][ T5815] ? drop_nlink+0xc5/0x110
[ 87.670907][ T5815] report_bug+0x2be/0x4f0
[ 87.675239][ T5815] ? drop_nlink+0xc5/0x110
[ 87.679671][ T5815] ? drop_nlink+0xc5/0x110
[ 87.684098][ T5815] ? drop_nlink+0xc7/0x110
[ 87.688527][ T5815] handle_bug+0x84/0x160
[ 87.692773][ T5815] exc_invalid_op+0x1a/0x50
[ 87.697281][ T5815] asm_exc_invalid_op+0x1a/0x20
[ 87.702136][ T5815] RIP: 0010:drop_nlink+0xc5/0x110
[ 87.707171][ T5815] 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
[ 87.726794][ T5815] RSP: 0018:ffffc9000403f8b0 EFLAGS: 00010293
[ 87.732862][ T5815] RAX: ffffffff82371c54 RBX: ffff88807ab92910 RCX: ffff888068d38000
[ 87.740830][ T5815] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 87.748801][ T5815] RBP: 0000000000000000 R08: ffffea0001ebfef7 R09: 1ffffd40003d7fde
[ 87.756773][ T5815] R10: dffffc0000000000 R11: fffff940003d7fdf R12: 1ffff1100f57252b
[ 87.764749][ T5815] R13: 1ffff92000807f28 R14: ffff88807ab92958 R15: dffffc0000000000
[ 87.772725][ T5815] ? drop_nlink+0xc4/0x110
[ 87.777166][ T5815] jfs_rename+0xbb3/0x1610
[ 87.781601][ T5815] ? __pfx_jfs_rename+0x10/0x10
[ 87.786477][ T5815] ? __lock_acquire+0xaac/0xd20
[ 87.791338][ T5815] ? do_raw_spin_lock+0x121/0x290
[ 87.796381][ T5815] ? do_raw_spin_unlock+0x122/0x240
[ 87.801584][ T5815] ? __pfx_jfs_rename+0x10/0x10
[ 87.806467][ T5815] vfs_rename+0xb99/0xec0
[ 87.810818][ T5815] ? __pfx_vfs_rename+0x10/0x10
[ 87.815680][ T5815] ? d_alloc+0x144/0x190
[ 87.819924][ T5815] ? bpf_lsm_path_rename+0x9/0x20
[ 87.824961][ T5815] ? security_path_rename+0x17d/0x490
[ 87.830353][ T5815] do_renameat2+0x878/0xc50
[ 87.834882][ T5815] ? __pfx_do_renameat2+0x10/0x10
[ 87.839928][ T5815] ? getname_flags+0x1e5/0x540
[ 87.844696][ T5815] __x64_sys_rename+0x82/0x90
[ 87.849382][ T5815] do_syscall_64+0xf6/0x210
[ 87.853912][ T5815] ? asm_common_interrupt+0x26/0x40
[ 87.859118][ T5815] ? clear_bhb_loop+0x45/0xa0
[ 87.863796][ T5815] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 87.869774][ T5815] RIP: 0033:0x7ff16a8d0639
[ 87.874189][ T5815] 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
[ 87.893798][ T5815] RSP: 002b:00007ffc9b984ab8 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
[ 87.902214][ T5815] RAX: ffffffffffffffda RBX: 00007ffc9b984c98 RCX: 00007ff16a8d0639
[ 87.910190][ T5815] RDX: 0000000000000000 RSI: 0000200000000780 RDI: 00002000000003c0
[ 87.918161][ T5815] RBP: 00007ff16a949610 R08: 0000000000006221 R09: 0000000000000000
[ 87.926134][ T5815] R10: 00007ffc9b984980 R11: 0000000000000246 R12: 0000000000000001
[ 87.934125][ T5815] R13: 00007ffc9b984c88 R14: 0000000000000001 R15: 0000000000000001
[ 87.942113][ T5815]
[ 87.945441][ T5815] Kernel Offset: disabled
[ 87.949789][ T5815] Rebooting in 86400 seconds..