./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1978525169
<...>
Warning: Permanently added '10.128.1.99' (ED25519) to the list of known hosts.
execve("./syz-executor1978525169", ["./syz-executor1978525169"], 0x7fff50e0fdd0 /* 10 vars */) = 0
brk(NULL) = 0x55555fcf0000
brk(0x55555fcf0d00) = 0x55555fcf0d00
arch_prctl(ARCH_SET_FS, 0x55555fcf0380) = 0
set_tid_address(0x55555fcf0650) = 5818
set_robust_list(0x55555fcf0660, 24) = 0
rseq(0x55555fcf0ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor1978525169", 4096) = 28
getrandom("\x01\x52\xdf\xc1\x0f\xe7\xd4\xb9", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55555fcf0d00
brk(0x55555fd11d00) = 0x55555fd11d00
brk(0x55555fd12000) = 0x55555fd12000
mprotect(0x7f0340607000, 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
openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3
ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address)
close(3) = 0
clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5820 attached
, child_tidptr=0x55555fcf0650) = 5820
[pid 5820] set_robust_list(0x55555fcf0660, 24) = 0
[pid 5820] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5820] setpgid(0, 0) = 0
[pid 5820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5820] write(3, "1000", 4) = 4
[pid 5820] close(3) = 0
[pid 5820] write(1, "executing program\n", 18executing program
) = 18
[pid 5820] memfd_create("syzkaller", 0) = 3
[pid 5820] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0338000000
[pid 5820] 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"..., 67108864) = 67108864
[pid 5820] munmap(0x7f0338000000, 138412032) = 0
[pid 5820] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5820] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5820] close(3) = 0
[pid 5820] close(4) = 0
[pid 5820] mkdir("./file2", 0777) = 0
[ 64.547286][ T5820] loop0: detected capacity change from 0 to 131072
[ 64.588814][ T5820] F2FS-fs (loop0): invalid crc value
[ 64.601691][ T5820] F2FS-fs (loop0): Found nat_bits in checkpoint
[pid 5820] mount("/dev/loop0", "./file2", "f2fs", MS_DIRSYNC|MS_RELATIME, "") = 0
[pid 5820] openat(AT_FDCWD, "./file2", O_RDONLY|O_DIRECTORY) = 3
[pid 5820] chdir("./file2") = 0
[pid 5820] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[pid 5820] openat(AT_FDCWD, ".", O_RDONLY) = 4
[pid 5820] openat(4, ".", O_RDONLY) = 5
[ 64.641800][ T5820] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e4
[ 64.694674][ T5820] ------------[ cut here ]------------
[ 64.700309][ T5820] WARNING: CPU: 0 PID: 5820 at fs/inode.c:407 drop_nlink+0xc4/0x110
[ 64.708447][ T5820] Modules linked in:
[ 64.712440][ T5820] CPU: 0 UID: 0 PID: 5820 Comm: syz-executor197 Not tainted 6.13.0-rc7-syzkaller-00189-g595523945be0 #0
[ 64.723645][ T5820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 64.733771][ T5820] RIP: 0010:drop_nlink+0xc4/0x110
[ 64.738866][ T5820] Code: bb 70 07 00 00 be 08 00 00 00 e8 c7 35 e7 ff f0 48 ff 83 70 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 1d 54 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
[ 64.758573][ T5820] RSP: 0018:ffffc90003adf7d0 EFLAGS: 00010293
[ 64.764658][ T5820] RAX: ffffffff821c1e03 RBX: 1ffff1100ef57122 RCX: ffff88802ac0bc00
[ 64.772683][ T5820] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 64.780719][ T5820] RBP: 0000000000000000 R08: ffffffff821c1d83 R09: 1ffff1100ef571af
[ 64.788749][ T5820] R10: dffffc0000000000 R11: ffffed100ef571b0 R12: ffff888077ab8910
[ 64.796816][ T5820] R13: dffffc0000000000 R14: ffff888077ab88c8 R15: dffffc0000000000
[ 64.804866][ T5820] FS: 000055555fcf0380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
[ 64.813829][ T5820] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 64.820513][ T5820] CR2: 00007f034060b100 CR3: 0000000076bde000 CR4: 00000000003526f0
[ 64.828534][ T5820] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 64.836555][ T5820] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 64.844529][ T5820] Call Trace:
[ 64.847888][ T5820]
[ 64.850840][ T5820] ? __warn+0x165/0x4d0
[ 64.855046][ T5820] ? drop_nlink+0xc4/0x110
[ 64.859500][ T5820] ? report_bug+0x2b3/0x500
[ 64.864020][ T5820] ? drop_nlink+0xc4/0x110
[ 64.868493][ T5820] ? handle_bug+0x60/0x90
[ 64.872842][ T5820] ? exc_invalid_op+0x1a/0x50
[ 64.877610][ T5820] ? asm_exc_invalid_op+0x1a/0x20
[ 64.882669][ T5820] ? drop_nlink+0x43/0x110
[ 64.887169][ T5820] ? drop_nlink+0xc3/0x110
[ 64.891622][ T5820] ? drop_nlink+0xc4/0x110
[ 64.896130][ T5820] f2fs_rename2+0x1ba1/0x2d30
[ 64.900867][ T5820] ? __pfx_f2fs_rename2+0x10/0x10
[ 64.906002][ T5820] ? __pfx_lock_acquire+0x10/0x10
[ 64.911059][ T5820] ? __pfx___might_resched+0x10/0x10
[ 64.916413][ T5820] ? __pfx___might_resched+0x10/0x10
[ 64.921723][ T5820] ? vfs_rename+0x5ee/0xf00
[ 64.926285][ T5820] ? do_raw_spin_lock+0x14f/0x370
[ 64.931334][ T5820] ? down_write_nested+0x195/0x220
[ 64.936712][ T5820] ? __pfx_down_write_nested+0x10/0x10
[ 64.942188][ T5820] ? do_raw_spin_unlock+0x13c/0x8b0
[ 64.947520][ T5820] ? __asan_memcpy+0x40/0x70
[ 64.952148][ T5820] ? __pfx_f2fs_rename2+0x10/0x10
[ 64.957291][ T5820] vfs_rename+0xbdb/0xf00
[ 64.961660][ T5820] ? __pfx_vfs_rename+0x10/0x10
[ 64.966607][ T5820] ? bpf_lsm_path_rename+0x9/0x10
[ 64.971667][ T5820] do_renameat2+0xd94/0x13f0
[ 64.976368][ T5820] ? __pfx_do_renameat2+0x10/0x10
[ 64.981418][ T5820] ? __virt_addr_valid+0x183/0x530
[ 64.986586][ T5820] ? __virt_addr_valid+0x183/0x530
[ 64.991717][ T5820] ? __check_object_size+0x47a/0x730
[ 64.997083][ T5820] ? getname_flags+0x1e3/0x540
[ 65.001863][ T5820] ? do_syscall_64+0x100/0x230
[ 65.006690][ T5820] __x64_sys_renameat2+0xce/0xe0
[ 65.011652][ T5820] do_syscall_64+0xf3/0x230
[ 65.016206][ T5820] ? clear_bhb_loop+0x35/0x90
[ 65.020924][ T5820] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 65.026875][ T5820] RIP: 0033:0x7f0340583ad9
[ 65.031331][ T5820] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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
[ 65.051049][ T5820] RSP: 002b:00007ffc6918a328 EFLAGS: 00000246 ORIG_RAX: 000000000000013c
[ 65.059635][ T5820] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0340583ad9
[ 65.067665][ T5820] RDX: 0000000000000004 RSI: 00000000200000c0 RDI: 0000000000000005
[ 65.075718][ T5820] RBP: 00007f03406075f0 R08: 0000000000000000 R09: 000055555fcf14c0
[ 65.083723][ T5820] R10: 0000000020000100 R11: 0000000000000246 R12: 00007ffc6918a350
[ 65.091762][ T5820] R13: 00007ffc6918a578 R14: 431bde82d7b634db R15: 00007f03405cc03b
[ 65.099859][ T5820]
[ 65.102940][ T5820] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 65.110255][ T5820] CPU: 0 UID: 0 PID: 5820 Comm: syz-executor197 Not tainted 6.13.0-rc7-syzkaller-00189-g595523945be0 #0
[ 65.121364][ T5820] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
[ 65.131425][ T5820] Call Trace:
[ 65.134714][ T5820]
[ 65.137635][ T5820] dump_stack_lvl+0x241/0x360
[ 65.142322][ T5820] ? __pfx_dump_stack_lvl+0x10/0x10
[ 65.147518][ T5820] ? __pfx__printk+0x10/0x10
[ 65.152107][ T5820] ? vscnprintf+0x5d/0x90
[ 65.156464][ T5820] panic+0x349/0x880
[ 65.160378][ T5820] ? __warn+0x174/0x4d0
[ 65.164538][ T5820] ? __pfx_panic+0x10/0x10
[ 65.168971][ T5820] ? __warn+0x174/0x4d0
[ 65.173133][ T5820] ? __warn+0x32c/0x4d0
[ 65.177287][ T5820] __warn+0x344/0x4d0
[ 65.181258][ T5820] ? drop_nlink+0xc4/0x110
[ 65.185672][ T5820] report_bug+0x2b3/0x500
[ 65.190001][ T5820] ? drop_nlink+0xc4/0x110
[ 65.194418][ T5820] handle_bug+0x60/0x90
[ 65.198579][ T5820] exc_invalid_op+0x1a/0x50
[ 65.203099][ T5820] asm_exc_invalid_op+0x1a/0x20
[ 65.207983][ T5820] RIP: 0010:drop_nlink+0xc4/0x110
[ 65.213019][ T5820] Code: bb 70 07 00 00 be 08 00 00 00 e8 c7 35 e7 ff f0 48 ff 83 70 07 00 00 5b 41 5c 41 5e 41 5f 5d c3 cc cc cc cc e8 1d 54 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
[ 65.232633][ T5820] RSP: 0018:ffffc90003adf7d0 EFLAGS: 00010293
[ 65.238714][ T5820] RAX: ffffffff821c1e03 RBX: 1ffff1100ef57122 RCX: ffff88802ac0bc00
[ 65.246685][ T5820] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 65.254651][ T5820] RBP: 0000000000000000 R08: ffffffff821c1d83 R09: 1ffff1100ef571af
[ 65.262618][ T5820] R10: dffffc0000000000 R11: ffffed100ef571b0 R12: ffff888077ab8910
[ 65.270593][ T5820] R13: dffffc0000000000 R14: ffff888077ab88c8 R15: dffffc0000000000
[ 65.278568][ T5820] ? drop_nlink+0x43/0x110
[ 65.282988][ T5820] ? drop_nlink+0xc3/0x110
[ 65.287423][ T5820] f2fs_rename2+0x1ba1/0x2d30
[ 65.292117][ T5820] ? __pfx_f2fs_rename2+0x10/0x10
[ 65.297146][ T5820] ? __pfx_lock_acquire+0x10/0x10
[ 65.302164][ T5820] ? __pfx___might_resched+0x10/0x10
[ 65.307453][ T5820] ? __pfx___might_resched+0x10/0x10
[ 65.312742][ T5820] ? vfs_rename+0x5ee/0xf00
[ 65.317256][ T5820] ? do_raw_spin_lock+0x14f/0x370
[ 65.322287][ T5820] ? down_write_nested+0x195/0x220
[ 65.327395][ T5820] ? __pfx_down_write_nested+0x10/0x10
[ 65.332848][ T5820] ? do_raw_spin_unlock+0x13c/0x8b0
[ 65.338043][ T5820] ? __asan_memcpy+0x40/0x70
[ 65.342636][ T5820] ? __pfx_f2fs_rename2+0x10/0x10
[ 65.347662][ T5820] vfs_rename+0xbdb/0xf00
[ 65.352006][ T5820] ? __pfx_vfs_rename+0x10/0x10
[ 65.356858][ T5820] ? bpf_lsm_path_rename+0x9/0x10
[ 65.361883][ T5820] do_renameat2+0xd94/0x13f0
[ 65.366502][ T5820] ? __pfx_do_renameat2+0x10/0x10
[ 65.371525][ T5820] ? __virt_addr_valid+0x183/0x530
[ 65.376628][ T5820] ? __virt_addr_valid+0x183/0x530
[ 65.381735][ T5820] ? __check_object_size+0x47a/0x730
[ 65.387114][ T5820] ? getname_flags+0x1e3/0x540
[ 65.391870][ T5820] ? do_syscall_64+0x100/0x230
[ 65.396629][ T5820] __x64_sys_renameat2+0xce/0xe0
[ 65.401565][ T5820] do_syscall_64+0xf3/0x230
[ 65.406061][ T5820] ? clear_bhb_loop+0x35/0x90
[ 65.410734][ T5820] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 65.416627][ T5820] RIP: 0033:0x7f0340583ad9
[ 65.421038][ T5820] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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
[ 65.440635][ T5820] RSP: 002b:00007ffc6918a328 EFLAGS: 00000246 ORIG_RAX: 000000000000013c
[ 65.449051][ T5820] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f0340583ad9
[ 65.457017][ T5820] RDX: 0000000000000004 RSI: 00000000200000c0 RDI: 0000000000000005
[ 65.464978][ T5820] RBP: 00007f03406075f0 R08: 0000000000000000 R09: 000055555fcf14c0
[ 65.472941][ T5820] R10: 0000000020000100 R11: 0000000000000246 R12: 00007ffc6918a350
[ 65.480916][ T5820] R13: 00007ffc6918a578 R14: 431bde82d7b634db R15: 00007f03405cc03b
[ 65.488900][ T5820]
[ 65.492179][ T5820] Kernel Offset: disabled
[ 65.496562][ T5820] Rebooting in 86400 seconds..