./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2924562156
<...>
Warning: Permanently added '10.128.10.6' (ED25519) to the list of known hosts.
execve("./syz-executor2924562156", ["./syz-executor2924562156"], 0x7ffd0a19ef50 /* 10 vars */) = 0
brk(NULL) = 0x555555b72000
brk(0x555555b72d00) = 0x555555b72d00
arch_prctl(ARCH_SET_FS, 0x555555b72380) = 0
set_tid_address(0x555555b72650) = 5830
set_robust_list(0x555555b72660, 24) = 0
rseq(0x555555b72ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2924562156", 4096) = 28
getrandom("\x75\x4d\x38\x1d\x01\xc8\xc1\xfe", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555555b72d00
brk(0x555555b93d00) = 0x555555b93d00
brk(0x555555b94000) = 0x555555b94000
mprotect(0x7f15096c3000, 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
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) = 0x7f1501200000
write(3, "\xce\xfa\xad\x1b\x00\x0e\x00\x00\xff\x7f\x00\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\x73\x79\x7a\x6b\x61\x6c\x73\x79\x7a\x6b\x61\x6c\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 32768) = 32768
munmap(0x7f1501200000, 138412032) = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
ioctl(4, LOOP_SET_FD, 3) = 0
close(3) = 0
close(4) = 0
mkdir("./file0", 0777) = 0
mount("/dev/loop0", "./file0", "bfs", 0, "\x9f\xce\xf7\x73\x37\x1e\x4e\x03\x5a\x4f\xf1\x90\xbe\xa4\xef\xd6\x86\x42\x04\x6c\x23\xbe\x8a\x9a\xae\x70\xa0\x04\x38\x60\xf9\x89\x31\xe9\xa9\xd2\xa4\xcb\x9b\x6c\xbf\xab\x8d\x88\x54\x2e\xaf\xc9\x85\x11\x79\xa8\xbc\x28\xda\xd0\xfb\xfc\x05\x80\x4b\x2b") = 0
openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3
chdir("./file0") = 0
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
mknod("./file0", 000) = 0
[ 60.172979][ T5830] loop0: detected capacity change from 0 to 64
open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EINVAL (Invalid argument)
rename("./bus", "./file0") = 0
mkdir(".", 0777) = -1 EEXIST (File exists)
mount(NULL, ".", 0x20000180, MS_NODEV|MS_NOEXEC|MS_SYNCHRONOUS|MS_REMOUNT|MS_NOATIME|MS_MOVE|MS_PRIVATE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "\xff\xff\x30\x31\x37\x37\x37\x37\x37\x37\x37\x37\x37\x37\x37\x37\x37\x37\x37\x37\x37\x37\x37\x37\x37\x30\x31\x37\x37\x37\x37\x37\x37\x37\x37\x37\x37\x37\x37\x37\x37\x37\x37\x37\x37\x37\x37\x37\xff\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\x30\xde\xfd\xd6\xf2\x4c\xb9\xac\xb7\xfe\x0b\x0d\xc9\x2a\x09\x31\x35\x91\x2e\xbe\xf4\x26\x73\x1f\xfe\x88\x13\x8f\x2b"...) = 0
openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 4
mknod("./file0", 000) = -1 EEXIST (File exists)
open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_DIRECT|O_NOATIME, 000) = -1 EINVAL (Invalid argument)
[ 60.313528][ T5830] ------------[ cut here ]------------
[ 60.319269][ T5830] WARNING: CPU: 0 PID: 5830 at fs/inode.c:407 drop_nlink+0xc4/0x110
[ 60.327576][ T5830] Modules linked in:
[ 60.331526][ T5830] CPU: 0 UID: 0 PID: 5830 Comm: syz-executor292 Not tainted 6.13.0-rc3-next-20241220-syzkaller #0
[ 60.342204][ T5830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 60.352321][ T5830] RIP: 0010:drop_nlink+0xc4/0x110
[ 60.357433][ T5830] Code: bb 70 07 00 00 be 08 00 00 00 e8 87 15 e7 ff f0 48 ff 83 70 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 4d 97 80 ff 90 <0f> 0b 90 eb 83 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 5c ff ff ff
[ 60.377094][ T5830] RSP: 0018:ffffc9000400f950 EFLAGS: 00010293
[ 60.383172][ T5830] RAX: ffffffff823e8cd3 RBX: 1ffff1100ed93154 RCX: ffff88802bcada00
[ 60.391219][ T5830] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 60.399234][ T5830] RBP: 0000000000000000 R08: ffffffff823e8c53 R09: 1ffffffff203563e
[ 60.407250][ T5830] R10: dffffc0000000000 R11: fffffbfff203563f R12: ffff888076c98aa0
[ 60.415284][ T5830] R13: dffffc0000000000 R14: ffff888076c98a58 R15: dffffc0000000000
[ 60.423252][ T5830] FS: 0000555555b72380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
[ 60.432221][ T5830] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 60.438867][ T5830] CR2: 000000000066c7e0 CR3: 0000000067ba2000 CR4: 00000000003526f0
[ 60.446924][ T5830] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 60.454968][ T5830] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 60.462939][ T5830] Call Trace:
[ 60.466264][ T5830]
[ 60.469209][ T5830] ? __warn+0x165/0x4d0
[ 60.473364][ T5830] ? drop_nlink+0xc4/0x110
[ 60.477859][ T5830] ? report_bug+0x2b3/0x500
[ 60.482396][ T5830] ? drop_nlink+0xc4/0x110
[ 60.486903][ T5830] ? handle_bug+0x60/0x90
[ 60.491256][ T5830] ? exc_invalid_op+0x1a/0x50
[ 60.496014][ T5830] ? asm_exc_invalid_op+0x1a/0x20
[ 60.501058][ T5830] ? drop_nlink+0x43/0x110
[ 60.505523][ T5830] ? drop_nlink+0xc3/0x110
[ 60.509958][ T5830] ? drop_nlink+0xc4/0x110
[ 60.514449][ T5830] bfs_rename+0x44e/0x530
[ 60.518796][ T5830] ? vfs_rename+0x5ee/0xf00
[ 60.523298][ T5830] ? __pfx_bfs_rename+0x10/0x10
[ 60.528190][ T5830] ? down_write_nested+0x195/0x220
[ 60.533318][ T5830] ? __pfx_down_write_nested+0x10/0x10
[ 60.538825][ T5830] ? do_raw_spin_unlock+0x13c/0x8b0
[ 60.544040][ T5830] ? __asan_memcpy+0x40/0x70
[ 60.548675][ T5830] ? __pfx_bfs_rename+0x10/0x10
[ 60.553546][ T5830] vfs_rename+0xbdb/0xf00
[ 60.557949][ T5830] ? __pfx_vfs_rename+0x10/0x10
[ 60.562819][ T5830] ? bpf_lsm_path_rename+0x9/0x10
[ 60.567895][ T5830] do_renameat2+0xd94/0x13f0
[ 60.572514][ T5830] ? __pfx_do_renameat2+0x10/0x10
[ 60.577655][ T5830] ? __virt_addr_valid+0x183/0x530
[ 60.582787][ T5830] ? __virt_addr_valid+0x45f/0x530
[ 60.587944][ T5830] ? __phys_addr_symbol+0x2f/0x70
[ 60.592989][ T5830] ? strncpy_from_user+0x152/0x270
[ 60.598168][ T5830] ? getname_flags+0x1e3/0x540
[ 60.602958][ T5830] __x64_sys_rename+0x82/0x90
[ 60.607719][ T5830] do_syscall_64+0xf3/0x230
[ 60.612244][ T5830] ? clear_bhb_loop+0x35/0x90
[ 60.616991][ T5830] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 60.622914][ T5830] RIP: 0033:0x7f150964fc79
[ 60.627397][ T5830] 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
[ 60.647077][ T5830] RSP: 002b:00007ffde2bb6518 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
[ 60.655570][ T5830] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f150964fc79
[ 60.663559][ T5830] RDX: ffffffffffffffb8 RSI: 0000000020000240 RDI: 00000000200001c0
[ 60.671598][ T5830] RBP: 00007f150969905e R08: 0000000000000000 R09: 0000000000000000
[ 60.679794][ T5830] R10: 0000000000000073 R11: 0000000000000246 R12: 0000000000000001
[ 60.687818][ T5830] R13: 00007ffde2bb66f8 R14: 0000000000000001 R15: 0000000000000001
[ 60.695865][ T5830]
[ 60.698889][ T5830] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 60.706194][ T5830] CPU: 0 UID: 0 PID: 5830 Comm: syz-executor292 Not tainted 6.13.0-rc3-next-20241220-syzkaller #0
[ 60.716764][ T5830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 60.726807][ T5830] Call Trace:
[ 60.730090][ T5830]
[ 60.733009][ T5830] dump_stack_lvl+0x241/0x360
[ 60.737677][ T5830] ? __pfx_dump_stack_lvl+0x10/0x10
[ 60.742857][ T5830] ? __pfx__printk+0x10/0x10
[ 60.747437][ T5830] ? vscnprintf+0x5d/0x90
[ 60.751774][ T5830] panic+0x349/0x880
[ 60.755665][ T5830] ? __warn+0x174/0x4d0
[ 60.759824][ T5830] ? __pfx_panic+0x10/0x10
[ 60.764242][ T5830] __warn+0x344/0x4d0
[ 60.768211][ T5830] ? drop_nlink+0xc4/0x110
[ 60.772619][ T5830] report_bug+0x2b3/0x500
[ 60.776934][ T5830] ? drop_nlink+0xc4/0x110
[ 60.781344][ T5830] handle_bug+0x60/0x90
[ 60.785484][ T5830] exc_invalid_op+0x1a/0x50
[ 60.789968][ T5830] asm_exc_invalid_op+0x1a/0x20
[ 60.794806][ T5830] RIP: 0010:drop_nlink+0xc4/0x110
[ 60.799838][ T5830] Code: bb 70 07 00 00 be 08 00 00 00 e8 87 15 e7 ff f0 48 ff 83 70 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 4d 97 80 ff 90 <0f> 0b 90 eb 83 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 5c ff ff ff
[ 60.819427][ T5830] RSP: 0018:ffffc9000400f950 EFLAGS: 00010293
[ 60.825496][ T5830] RAX: ffffffff823e8cd3 RBX: 1ffff1100ed93154 RCX: ffff88802bcada00
[ 60.833455][ T5830] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 60.841415][ T5830] RBP: 0000000000000000 R08: ffffffff823e8c53 R09: 1ffffffff203563e
[ 60.849382][ T5830] R10: dffffc0000000000 R11: fffffbfff203563f R12: ffff888076c98aa0
[ 60.857792][ T5830] R13: dffffc0000000000 R14: ffff888076c98a58 R15: dffffc0000000000
[ 60.865751][ T5830] ? drop_nlink+0x43/0x110
[ 60.870159][ T5830] ? drop_nlink+0xc3/0x110
[ 60.874566][ T5830] bfs_rename+0x44e/0x530
[ 60.878881][ T5830] ? vfs_rename+0x5ee/0xf00
[ 60.883375][ T5830] ? __pfx_bfs_rename+0x10/0x10
[ 60.888226][ T5830] ? down_write_nested+0x195/0x220
[ 60.893328][ T5830] ? __pfx_down_write_nested+0x10/0x10
[ 60.898782][ T5830] ? do_raw_spin_unlock+0x13c/0x8b0
[ 60.903967][ T5830] ? __asan_memcpy+0x40/0x70
[ 60.908541][ T5830] ? __pfx_bfs_rename+0x10/0x10
[ 60.913376][ T5830] vfs_rename+0xbdb/0xf00
[ 60.917699][ T5830] ? __pfx_vfs_rename+0x10/0x10
[ 60.922542][ T5830] ? bpf_lsm_path_rename+0x9/0x10
[ 60.927576][ T5830] do_renameat2+0xd94/0x13f0
[ 60.932204][ T5830] ? __pfx_do_renameat2+0x10/0x10
[ 60.937237][ T5830] ? __virt_addr_valid+0x183/0x530
[ 60.942341][ T5830] ? __virt_addr_valid+0x45f/0x530
[ 60.947466][ T5830] ? __phys_addr_symbol+0x2f/0x70
[ 60.952495][ T5830] ? strncpy_from_user+0x152/0x270
[ 60.957609][ T5830] ? getname_flags+0x1e3/0x540
[ 60.962381][ T5830] __x64_sys_rename+0x82/0x90
[ 60.967057][ T5830] do_syscall_64+0xf3/0x230
[ 60.971575][ T5830] ? clear_bhb_loop+0x35/0x90
[ 60.976248][ T5830] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 60.982142][ T5830] RIP: 0033:0x7f150964fc79
[ 60.986551][ T5830] 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
[ 61.006149][ T5830] RSP: 002b:00007ffde2bb6518 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
[ 61.014549][ T5830] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f150964fc79
[ 61.022505][ T5830] RDX: ffffffffffffffb8 RSI: 0000000020000240 RDI: 00000000200001c0
[ 61.030458][ T5830] RBP: 00007f150969905e R08: 0000000000000000 R09: 0000000000000000
[ 61.038413][ T5830] R10: 0000000000000073 R11: 0000000000000246 R12: 0000000000000001
[ 61.046374][ T5830] R13: 00007ffde2bb66f8 R14: 0000000000000001 R15: 0000000000000001
[ 61.054338][ T5830]
[ 61.057528][ T5830] Kernel Offset: disabled
[ 61.061899][ T5830] Rebooting in 86400 seconds..