./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1726264097
<...>
Warning: Permanently added '10.128.1.233' (ED25519) to the list of known hosts.
execve("./syz-executor1726264097", ["./syz-executor1726264097"], 0x7ffd4b8cf2b0 /* 10 vars */) = 0
brk(NULL) = 0x55555725b000
brk(0x55555725bd00) = 0x55555725bd00
arch_prctl(ARCH_SET_FS, 0x55555725b380) = 0
set_tid_address(0x55555725b650) = 5847
set_robust_list(0x55555725b660, 24) = 0
rseq(0x55555725bca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1726264097", 4096) = 28
getrandom("\x54\xc5\x22\x70\x5d\x90\x05\xa9", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55555725bd00
brk(0x55555727cd00) = 0x55555727cd00
brk(0x55555727d000) = 0x55555727d000
mprotect(0x7f3066cdb000, 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) = 0x7f305e800000
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(0x7f305e800000, 138412032) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
ioctl(4, LOOP_SET_FD, 3) = 0
close(3) = 0
close(4) = 0
mkdir("./bus", 0777) = 0
mount("/dev/loop0", "./bus", "jfs", 0, "iocharset=maccroatian,discard=0x0000000000000003,nodiscard,errors=continue,iocharset=maccyrillic,") = 0
openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
chdir("./bus") = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
syzkaller login: [ 79.460374][ T5847] loop0: detected capacity change from 0 to 32768
[ 79.494956][ T5847]
[ 79.494956][ T5847] ... Log Wrap ... Log Wrap ... Log Wrap ...
[ 79.494956][ T5847]
rmdir("./file0") = -1 EIO (Input/output error)
chdir("./file0") = 0
[ 79.552969][ T5847] read_mapping_page failed!
[ 79.559201][ T5847] ERROR: (device loop0): txCommit:
[ 79.559201][ T5847]
[ 79.580205][ T5847] ------------[ cut here ]------------
[ 79.585705][ T5847] WARNING: fs/inode.c:474 at inc_nlink+0x122/0x150, CPU#0: syz-executor172/5847
[ 79.594816][ T5847] Modules linked in:
[ 79.598788][ T5847] CPU: 0 UID: 0 PID: 5847 Comm: syz-executor172 Not tainted 6.16.0-rc6-next-20250718-syzkaller #0 PREEMPT(full)
[ 79.610706][ T5847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 79.620801][ T5847] RIP: 0010:inc_nlink+0x122/0x150
[ 79.625993][ T5847] Code: e7 ff e9 3a ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 4c ff ff ff 48 89 df e8 e9 e2 e7 ff e9 3f ff ff ff e8 ff 92 84 ff 90 <0f> 0b 90 eb 80 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 50 ff ff ff
[ 79.645635][ T5847] RSP: 0018:ffffc900040bfb08 EFLAGS: 00010293
[ 79.651761][ T5847] RAX: ffffffff823b1e11 RBX: ffff888025a02958 RCX: ffff88807b408000
[ 79.659763][ T5847] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 79.667815][ T5847] RBP: 0000000000000000 R08: ffffffff8fa2a737 R09: 1ffffffff1f454e6
[ 79.676083][ T5847] R10: dffffc0000000000 R11: fffffbfff1f454e7 R12: dffffc0000000000
[ 79.684051][ T5847] R13: 1ffff11004b4052b R14: ffff888025a02910 R15: ffff888025a029e0
[ 79.692068][ T5847] FS: 000055555725b380(0000) GS:ffff888125be3000(0000) knlGS:0000000000000000
[ 79.701033][ T5847] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 79.707745][ T5847] CR2: 0000200000010b40 CR3: 00000000752b2000 CR4: 00000000003526f0
[ 79.715724][ T5847] Call Trace:
[ 79.719038][ T5847]
[ 79.721977][ T5847] jfs_mkdir+0x7e0/0xa70
[ 79.726263][ T5847] ? __pfx_jfs_mkdir+0x10/0x10
[ 79.731048][ T5847] ? generic_permission+0x2e5/0x690
[ 79.736274][ T5847] ? inode_permission+0x149/0x470
[ 79.741305][ T5847] ? may_create+0x227/0x320
[ 79.745797][ T5847] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 79.750866][ T5847] vfs_mkdir+0x303/0x510
[ 79.755136][ T5847] do_mkdirat+0x247/0x590
[ 79.759509][ T5847] ? __pfx_do_mkdirat+0x10/0x10
[ 79.764401][ T5847] ? strncpy_from_user+0x150/0x290
[ 79.769592][ T5847] ? getname_flags+0x1e5/0x540
[ 79.774471][ T5847] __x64_sys_mkdir+0x6c/0x80
[ 79.779137][ T5847] do_syscall_64+0xfa/0x3b0
[ 79.783749][ T5847] ? lockdep_hardirqs_on+0x9c/0x150
[ 79.789008][ T5847] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 79.795080][ T5847] ? clear_bhb_loop+0x60/0xb0
[ 79.799787][ T5847] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 79.805683][ T5847] RIP: 0033:0x7f3066c626f9
[ 79.810138][ T5847] 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
[ 79.829797][ T5847] RSP: 002b:00007ffd4056c098 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[ 79.838244][ T5847] RAX: ffffffffffffffda RBX: 0000200000000240 RCX: 00007f3066c626f9
[ 79.846244][ T5847] RDX: 00007f3066c626f9 RSI: 0000000000000000 RDI: 0000200000010b40
[ 79.854209][ T5847] RBP: 0030656c69662f2e R08: 0000000000000000 R09: 0000000000000000
[ 79.862207][ T5847] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 79.870208][ T5847] R13: 00007ffd4056c278 R14: 0000000000000001 R15: 0000000000000001
[ 79.878234][ T5847]
[ 79.881256][ T5847] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 79.888524][ T5847] CPU: 0 UID: 0 PID: 5847 Comm: syz-executor172 Not tainted 6.16.0-rc6-next-20250718-syzkaller #0 PREEMPT(full)
[ 79.900405][ T5847] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
[ 79.910456][ T5847] Call Trace:
[ 79.913736][ T5847]
[ 79.916667][ T5847] dump_stack_lvl+0x99/0x250
[ 79.921252][ T5847] ? __asan_memcpy+0x40/0x70
[ 79.925839][ T5847] ? __pfx_dump_stack_lvl+0x10/0x10
[ 79.931032][ T5847] ? __pfx__printk+0x10/0x10
[ 79.935628][ T5847] vpanic+0x281/0x750
[ 79.939604][ T5847] ? __pfx_vpanic+0x10/0x10
[ 79.944105][ T5847] ? is_bpf_text_address+0x292/0x2b0
[ 79.949390][ T5847] ? is_bpf_text_address+0x26/0x2b0
[ 79.954589][ T5847] panic+0xb9/0xc0
[ 79.958316][ T5847] ? __pfx_panic+0x10/0x10
[ 79.962749][ T5847] __warn+0x334/0x4c0
[ 79.966738][ T5847] ? inc_nlink+0x122/0x150
[ 79.971152][ T5847] ? inc_nlink+0x122/0x150
[ 79.975557][ T5847] report_bug+0x2be/0x4f0
[ 79.979887][ T5847] ? inc_nlink+0x122/0x150
[ 79.984308][ T5847] ? inc_nlink+0x122/0x150
[ 79.988722][ T5847] ? inc_nlink+0x124/0x150
[ 79.993130][ T5847] handle_bug+0x84/0x160
[ 79.997370][ T5847] exc_invalid_op+0x1a/0x50
[ 80.001864][ T5847] asm_exc_invalid_op+0x1a/0x20
[ 80.006710][ T5847] RIP: 0010:inc_nlink+0x122/0x150
[ 80.011730][ T5847] Code: e7 ff e9 3a ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 4c ff ff ff 48 89 df e8 e9 e2 e7 ff e9 3f ff ff ff e8 ff 92 84 ff 90 <0f> 0b 90 eb 80 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 50 ff ff ff
[ 80.031329][ T5847] RSP: 0018:ffffc900040bfb08 EFLAGS: 00010293
[ 80.037405][ T5847] RAX: ffffffff823b1e11 RBX: ffff888025a02958 RCX: ffff88807b408000
[ 80.045381][ T5847] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 80.053352][ T5847] RBP: 0000000000000000 R08: ffffffff8fa2a737 R09: 1ffffffff1f454e6
[ 80.061322][ T5847] R10: dffffc0000000000 R11: fffffbfff1f454e7 R12: dffffc0000000000
[ 80.069289][ T5847] R13: 1ffff11004b4052b R14: ffff888025a02910 R15: ffff888025a029e0
[ 80.077271][ T5847] ? inc_nlink+0x121/0x150
[ 80.081698][ T5847] ? inc_nlink+0x121/0x150
[ 80.086107][ T5847] jfs_mkdir+0x7e0/0xa70
[ 80.090447][ T5847] ? __pfx_jfs_mkdir+0x10/0x10
[ 80.095231][ T5847] ? generic_permission+0x2e5/0x690
[ 80.100433][ T5847] ? inode_permission+0x149/0x470
[ 80.105455][ T5847] ? may_create+0x227/0x320
[ 80.109968][ T5847] ? bpf_lsm_inode_mkdir+0x9/0x20
[ 80.114994][ T5847] vfs_mkdir+0x303/0x510
[ 80.119240][ T5847] do_mkdirat+0x247/0x590
[ 80.123592][ T5847] ? __pfx_do_mkdirat+0x10/0x10
[ 80.128446][ T5847] ? strncpy_from_user+0x150/0x290
[ 80.133563][ T5847] ? getname_flags+0x1e5/0x540
[ 80.138329][ T5847] __x64_sys_mkdir+0x6c/0x80
[ 80.142923][ T5847] do_syscall_64+0xfa/0x3b0
[ 80.147427][ T5847] ? lockdep_hardirqs_on+0x9c/0x150
[ 80.152635][ T5847] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 80.158700][ T5847] ? clear_bhb_loop+0x60/0xb0
[ 80.163382][ T5847] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 80.169280][ T5847] RIP: 0033:0x7f3066c626f9
[ 80.173697][ T5847] 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
[ 80.193296][ T5847] RSP: 002b:00007ffd4056c098 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
[ 80.201704][ T5847] RAX: ffffffffffffffda RBX: 0000200000000240 RCX: 00007f3066c626f9
[ 80.209669][ T5847] RDX: 00007f3066c626f9 RSI: 0000000000000000 RDI: 0000200000010b40
[ 80.217638][ T5847] RBP: 0030656c69662f2e R08: 0000000000000000 R09: 0000000000000000
[ 80.225599][ T5847] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
[ 80.233581][ T5847] R13: 00007ffd4056c278 R14: 0000000000000001 R15: 0000000000000001
[ 80.241566][ T5847]
[ 80.245036][ T5847] Kernel Offset: disabled
[ 80.249360][ T5847] Rebooting in 86400 seconds..