./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2328874597
<...>
Warning: Permanently added '10.128.1.37' (ED25519) to the list of known hosts.
execve("./syz-executor2328874597", ["./syz-executor2328874597"], 0x7ffea6930160 /* 10 vars */) = 0
brk(NULL) = 0x555562096000
brk(0x555562096d00) = 0x555562096d00
arch_prctl(ARCH_SET_FS, 0x555562096380) = 0
set_tid_address(0x555562096650) = 5819
set_robust_list(0x555562096660, 24) = 0
rseq(0x555562096ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2328874597", 4096) = 28
getrandom("\x9a\x8b\x16\xa6\x93\x7c\x48\x85", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555562096d00
brk(0x5555620b7d00) = 0x5555620b7d00
brk(0x5555620b8000) = 0x5555620b8000
mprotect(0x7fe0e4ca7000, 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
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) = 0x7fe0dc600000
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(0x7fe0dc600000, 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
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)
[ 61.834250][ T5819] loop0: detected capacity change from 0 to 64
[ 61.892751][ T5819] ------------[ cut here ]------------
[ 61.898293][ T5819] WARNING: CPU: 0 PID: 5819 at fs/inode.c:407 drop_nlink+0xc4/0x110
[ 61.906394][ T5819] Modules linked in:
[ 61.910316][ T5819] CPU: 0 UID: 0 PID: 5819 Comm: syz-executor232 Not tainted 6.13.0-rc5-syzkaller-00161-g63676eefb7a0 #0
[ 61.921749][ T5819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 61.932199][ T5819] RIP: 0010:drop_nlink+0xc4/0x110
[ 61.937227][ T5819] Code: bb 70 07 00 00 be 08 00 00 00 e8 37 3b e7 ff f0 48 ff 83 70 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 8d 5b 83 ff 90 <0f> 0b 90 eb 83 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 5c ff ff ff
[ 61.957001][ T5819] RSP: 0018:ffffc90003c6f950 EFLAGS: 00010293
[ 61.963122][ T5819] RAX: ffffffff821c1843 RBX: 1ffff1100e5181f8 RCX: ffff8880351d9e00
[ 61.971110][ T5819] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 61.979158][ T5819] RBP: 0000000000000000 R08: ffffffff821c17c3 R09: 1ffffffff2030ad6
[ 61.987173][ T5819] R10: dffffc0000000000 R11: fffffbfff2030ad7 R12: ffff8880728c0fc0
[ 61.995236][ T5819] R13: dffffc0000000000 R14: ffff8880728c0f78 R15: dffffc0000000000
[ 62.003471][ T5819] FS: 0000555562096380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
[ 62.012464][ T5819] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 62.019038][ T5819] CR2: 0000558ecae7b0d8 CR3: 0000000012a66000 CR4: 00000000003526f0
[ 62.027042][ T5819] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 62.035061][ T5819] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 62.043085][ T5819] Call Trace:
[ 62.046374][ T5819]
[ 62.049292][ T5819] ? __warn+0x165/0x4d0
[ 62.053502][ T5819] ? drop_nlink+0xc4/0x110
[ 62.057940][ T5819] ? report_bug+0x2b3/0x500
[ 62.062485][ T5819] ? drop_nlink+0xc4/0x110
[ 62.066919][ T5819] ? handle_bug+0x60/0x90
[ 62.071234][ T5819] ? exc_invalid_op+0x1a/0x50
[ 62.075963][ T5819] ? asm_exc_invalid_op+0x1a/0x20
[ 62.081009][ T5819] ? drop_nlink+0x43/0x110
[ 62.085472][ T5819] ? drop_nlink+0xc3/0x110
[ 62.089918][ T5819] ? drop_nlink+0xc4/0x110
[ 62.094455][ T5819] bfs_rename+0x44e/0x530
[ 62.098802][ T5819] ? vfs_rename+0x5ee/0xf00
[ 62.103368][ T5819] ? __pfx_bfs_rename+0x10/0x10
[ 62.108249][ T5819] ? down_write_nested+0x195/0x220
[ 62.113437][ T5819] ? __pfx_down_write_nested+0x10/0x10
[ 62.118936][ T5819] ? do_raw_spin_unlock+0x13c/0x8b0
[ 62.124170][ T5819] ? __asan_memcpy+0x40/0x70
[ 62.128778][ T5819] ? __pfx_bfs_rename+0x10/0x10
[ 62.133698][ T5819] vfs_rename+0xbdb/0xf00
[ 62.138051][ T5819] ? __pfx_vfs_rename+0x10/0x10
[ 62.142950][ T5819] ? bpf_lsm_path_rename+0x9/0x10
[ 62.147992][ T5819] do_renameat2+0xd94/0x13f0
[ 62.152659][ T5819] ? __pfx_do_renameat2+0x10/0x10
[ 62.157709][ T5819] ? __virt_addr_valid+0x183/0x530
[ 62.162885][ T5819] ? __virt_addr_valid+0x45f/0x530
[ 62.168013][ T5819] ? __phys_addr_symbol+0x2f/0x70
[ 62.173093][ T5819] ? strncpy_from_user+0x152/0x270
[ 62.178240][ T5819] ? getname_flags+0x1e3/0x540
[ 62.183036][ T5819] __x64_sys_rename+0x82/0x90
[ 62.187728][ T5819] do_syscall_64+0xf3/0x230
[ 62.192292][ T5819] ? clear_bhb_loop+0x35/0x90
[ 62.196979][ T5819] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 62.202913][ T5819] RIP: 0033:0x7fe0e4c33c79
[ 62.207354][ T5819] 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
[ 62.227027][ T5819] RSP: 002b:00007ffd2e5337a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
[ 62.235490][ T5819] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007fe0e4c33c79
[ 62.243557][ T5819] RDX: ffffffffffffffb8 RSI: 0000000020000240 RDI: 00000000200001c0
[ 62.251570][ T5819] RBP: 00007fe0e4c7d05e R08: 0000000000000000 R09: 0000000000000000
[ 62.259619][ T5819] R10: 0000000000000073 R11: 0000000000000246 R12: 0000000000000001
[ 62.267633][ T5819] R13: 00007ffd2e533988 R14: 0000000000000001 R15: 0000000000000001
[ 62.275644][ T5819]
[ 62.278692][ T5819] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 62.285965][ T5819] CPU: 0 UID: 0 PID: 5819 Comm: syz-executor232 Not tainted 6.13.0-rc5-syzkaller-00161-g63676eefb7a0 #0
[ 62.297057][ T5819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 62.307101][ T5819] Call Trace:
[ 62.310365][ T5819]
[ 62.313282][ T5819] dump_stack_lvl+0x241/0x360
[ 62.317955][ T5819] ? __pfx_dump_stack_lvl+0x10/0x10
[ 62.323152][ T5819] ? __pfx__printk+0x10/0x10
[ 62.327734][ T5819] ? vscnprintf+0x5d/0x90
[ 62.332051][ T5819] panic+0x349/0x880
[ 62.335951][ T5819] ? __warn+0x174/0x4d0
[ 62.340091][ T5819] ? __pfx_panic+0x10/0x10
[ 62.344504][ T5819] __warn+0x344/0x4d0
[ 62.348474][ T5819] ? drop_nlink+0xc4/0x110
[ 62.352882][ T5819] report_bug+0x2b3/0x500
[ 62.357200][ T5819] ? drop_nlink+0xc4/0x110
[ 62.361606][ T5819] handle_bug+0x60/0x90
[ 62.365756][ T5819] exc_invalid_op+0x1a/0x50
[ 62.370251][ T5819] asm_exc_invalid_op+0x1a/0x20
[ 62.375100][ T5819] RIP: 0010:drop_nlink+0xc4/0x110
[ 62.380122][ T5819] Code: bb 70 07 00 00 be 08 00 00 00 e8 37 3b e7 ff f0 48 ff 83 70 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 8d 5b 83 ff 90 <0f> 0b 90 eb 83 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c 5c ff ff ff
[ 62.399725][ T5819] RSP: 0018:ffffc90003c6f950 EFLAGS: 00010293
[ 62.405791][ T5819] RAX: ffffffff821c1843 RBX: 1ffff1100e5181f8 RCX: ffff8880351d9e00
[ 62.413752][ T5819] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 62.421715][ T5819] RBP: 0000000000000000 R08: ffffffff821c17c3 R09: 1ffffffff2030ad6
[ 62.429678][ T5819] R10: dffffc0000000000 R11: fffffbfff2030ad7 R12: ffff8880728c0fc0
[ 62.437644][ T5819] R13: dffffc0000000000 R14: ffff8880728c0f78 R15: dffffc0000000000
[ 62.445615][ T5819] ? drop_nlink+0x43/0x110
[ 62.450033][ T5819] ? drop_nlink+0xc3/0x110
[ 62.454459][ T5819] bfs_rename+0x44e/0x530
[ 62.458784][ T5819] ? vfs_rename+0x5ee/0xf00
[ 62.463287][ T5819] ? __pfx_bfs_rename+0x10/0x10
[ 62.468134][ T5819] ? down_write_nested+0x195/0x220
[ 62.473240][ T5819] ? __pfx_down_write_nested+0x10/0x10
[ 62.478694][ T5819] ? do_raw_spin_unlock+0x13c/0x8b0
[ 62.483888][ T5819] ? __asan_memcpy+0x40/0x70
[ 62.488473][ T5819] ? __pfx_bfs_rename+0x10/0x10
[ 62.493319][ T5819] vfs_rename+0xbdb/0xf00
[ 62.497657][ T5819] ? __pfx_vfs_rename+0x10/0x10
[ 62.502508][ T5819] ? bpf_lsm_path_rename+0x9/0x10
[ 62.507528][ T5819] do_renameat2+0xd94/0x13f0
[ 62.512131][ T5819] ? __pfx_do_renameat2+0x10/0x10
[ 62.517155][ T5819] ? __virt_addr_valid+0x183/0x530
[ 62.522257][ T5819] ? __virt_addr_valid+0x45f/0x530
[ 62.527362][ T5819] ? __phys_addr_symbol+0x2f/0x70
[ 62.532390][ T5819] ? strncpy_from_user+0x152/0x270
[ 62.537501][ T5819] ? getname_flags+0x1e3/0x540
[ 62.542258][ T5819] __x64_sys_rename+0x82/0x90
[ 62.546929][ T5819] do_syscall_64+0xf3/0x230
[ 62.551429][ T5819] ? clear_bhb_loop+0x35/0x90
[ 62.556099][ T5819] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 62.561987][ T5819] RIP: 0033:0x7fe0e4c33c79
[ 62.566392][ T5819] 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
[ 62.585996][ T5819] RSP: 002b:00007ffd2e5337a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000052
[ 62.594411][ T5819] RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007fe0e4c33c79
[ 62.602376][ T5819] RDX: ffffffffffffffb8 RSI: 0000000020000240 RDI: 00000000200001c0
[ 62.610338][ T5819] RBP: 00007fe0e4c7d05e R08: 0000000000000000 R09: 0000000000000000
[ 62.618303][ T5819] R10: 0000000000000073 R11: 0000000000000246 R12: 0000000000000001
[ 62.626272][ T5819] R13: 00007ffd2e533988 R14: 0000000000000001 R15: 0000000000000001
[ 62.634249][ T5819]
[ 62.637401][ T5819] Kernel Offset: disabled
[ 62.641757][ T5819] Rebooting in 86400 seconds..