./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2934672440
<...>
Warning: Permanently added '10.128.0.97' (ED25519) to the list of known hosts.
execve("./syz-executor2934672440", ["./syz-executor2934672440"], 0x7ffeb95aa0e0 /* 10 vars */) = 0
brk(NULL) = 0x555578115000
brk(0x555578115d00) = 0x555578115d00
arch_prctl(ARCH_SET_FS, 0x555578115380) = 0
set_tid_address(0x555578115650) = 5831
set_robust_list(0x555578115660, 24) = 0
rseq(0x555578115ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2934672440", 4096) = 28
getrandom("\x9b\xb4\x61\xb4\x0f\x85\xd6\x8b", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x555578115d00
brk(0x555578136d00) = 0x555578136d00
brk(0x555578137000) = 0x555578137000
mprotect(0x7f9c7e2c3000, 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
getrandom("\xf6\xd7\xc0\x62\xe7\x8a\x66\x28", 8, GRND_NONBLOCK) = 8
mkdir("./syzkaller.WRNGOA", 0700) = 0
chmod("./syzkaller.WRNGOA", 0777) = 0
chdir("./syzkaller.WRNGOA") = 0
mkdir("./0", 0777) = 0
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 5833 attached
, child_tidptr=0x555578115650) = 5833
[pid 5833] set_robust_list(0x555578115660, 24) = 0
[pid 5833] chdir("./0") = 0
[pid 5833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5833] setpgid(0, 0) = 0
[pid 5833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5833] write(3, "1000", 4) = 4
[pid 5833] close(3) = 0
[pid 5833] symlink("/dev/binderfs", "./binderfs") = 0
[pid 5833] write(1, "executing program\n", 18executing program
) = 18
[pid 5833] memfd_create("syzkaller", 0) = 3
[pid 5833] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f9c75e00000
[pid 5833] 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"..., 32768) = 32768
[pid 5833] munmap(0x7f9c75e00000, 138412032) = 0
[pid 5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5833] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5833] close(3) = 0
[pid 5833] close(4) = 0
[pid 5833] mkdir("./bus", 0777) = 0
[pid 5833] mount("/dev/loop0", "./bus", "minix", MS_REC, "") = 0
[pid 5833] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid 5833] chdir("./bus") = 0
[pid 5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[ 64.288457][ T5833] loop0: detected capacity change from 0 to 64
[pid 5833] truncate("./file2", 524288) = 0
[pid 5833] unlink("./file1") = 0
[pid 5833] creat("./bus", 000) = -1 ENOSPC (No space left on device)
[pid 5833] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists)
[pid 5833] mkdirat(AT_FDCWD, "./file1", 000) = 0
[pid 5833] mkdir("./bus", 000) = 0
[ 64.330920][ T5833] Trying to free block not in datazone
[ 64.344405][ T5833] Trying to free block not in datazone
[ 64.350546][ T5833] minix_free_inode: bit 5 already cleared
[ 64.370273][ T5833] overlayfs: upper fs needs to support d_type.
[pid 5833] mount(NULL, "./bus", "overlay", 0, "upperdir=./file1,lowerdir=./file0,workdir=./bus,") = 0
[pid 5833] chdir("./bus") = 0
[pid 5833] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME|O_CLOEXEC, 000) = 4
[ 64.379096][ T5833] overlayfs: upper fs does not support RENAME_WHITEOUT.
[ 64.386784][ T5833] overlayfs: failed to set xattr on upper
[ 64.392725][ T5833] overlayfs: ...falling back to redirect_dir=nofollow.
[ 64.399603][ T5833] overlayfs: ...falling back to index=off.
[ 64.405539][ T5833] overlayfs: ...falling back to uuid=null.
[pid 5833] exit_group(0) = ?
[pid 5833] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5833, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
restart_syscall(<... resuming interrupted clone ...>) = 0
umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x5555781166f0 /* 4 entries */, 32768) = 104
umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("./0/binderfs") = 0
umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
newfstatat(AT_FDCWD, "./0/bus", {st_mode=S_IFDIR|0755, st_size=512, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./0/bus", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy)
openat(AT_FDCWD, "./0/bus", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4
newfstatat(4, "", {st_mode=S_IFDIR|0755, st_size=512, ...}, AT_EMPTY_PATH) = 0
getdents64(4, 0x55557811e730 /* 8 entries */, 32768) = 232
umount2("./0/bus/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./0/bus/file0", {st_mode=S_IFDIR|0755, st_size=256, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./0/bus/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./0/bus/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5
newfstatat(5, "", {st_mode=S_IFDIR|0755, st_size=256, ...}, AT_EMPTY_PATH) = 0
getdents64(5, 0x555578126770 /* 4 entries */, 32768) = 104
umount2("./0/bus/file0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "./0/bus/file0/file0", {st_mode=S_IFDIR|000, st_size=192, ...}, AT_SYMLINK_NOFOLLOW) = 0
umount2("./0/bus/file0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./0/bus/file0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 6
newfstatat(6, "", {st_mode=S_IFDIR|000, st_size=192, ...}, AT_EMPTY_PATH) = 0
getdents64(6, 0x55557812e7b0 /* 2 entries */, 32768) = 48
getdents64(6, 0x55557812e7b0 /* 0 entries */, 32768) = 0
close(6) = 0
rmdir("./0/bus/file0/file0") = 0
umount2("\x2e\x2f\x30\x2f\x62\x75\x73\x2f\x66\x69\x6c\x65\x30\x2f\x66\x69\x96", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
newfstatat(AT_FDCWD, "\x2e\x2f\x30\x2f\x62\x75\x73\x2f\x66\x69\x6c\x65\x30\x2f\x66\x69\x96", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0
unlink("\x2e\x2f\x30\x2f\x62\x75\x73\x2f\x66\x69\x6c\x65\x30\x2f\x66\x69\x96") = 0
getdents64(5, 0x555578126770 /* 0 entries */, 32768) = 0
close(5) = 0
[ 64.418409][ T29] audit: type=1800 audit(1736009512.336:2): pid=5833 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor293" name="bus" dev="overlay" ino=4 res=0 errno=0
[ 64.479151][ T5831] ------------[ cut here ]------------
[ 64.484785][ T5831] WARNING: CPU: 1 PID: 5831 at fs/inode.c:407 drop_nlink+0xc4/0x110
[ 64.492876][ T5831] Modules linked in:
[ 64.496846][ T5831] CPU: 1 UID: 0 PID: 5831 Comm: syz-executor293 Not tainted 6.13.0-rc3-next-20241220-syzkaller #0
[ 64.507490][ T5831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 64.517620][ T5831] RIP: 0010:drop_nlink+0xc4/0x110
[ 64.522874][ T5831] 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
[ 64.542543][ T5831] RSP: 0018:ffffc90003fefd30 EFLAGS: 00010293
[ 64.548619][ T5831] RAX: ffffffff823e8cd3 RBX: 1ffff1100ed9dab5 RCX: ffff888075278000
[ 64.556686][ T5831] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 64.564719][ T5831] RBP: 0000000000000000 R08: ffffffff823e8c53 R09: 1ffffffff203563e
[ 64.572807][ T5831] R10: dffffc0000000000 R11: fffffbfff203563f R12: ffff888076ced5a8
[ 64.580849][ T5831] R13: ffff88807f9c3d60 R14: ffff888076ced560 R15: dffffc0000000000
[ 64.589045][ T5831] FS: 0000555578115380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
[ 64.598261][ T5831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 64.604908][ T5831] CR2: 00005555781367b8 CR3: 00000000748f2000 CR4: 00000000003526f0
[ 64.613056][ T5831] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 64.621103][ T5831] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 64.629163][ T5831] Call Trace:
[ 64.632494][ T5831]
[ 64.635482][ T5831] ? __warn+0x165/0x4d0
[ 64.639642][ T5831] ? drop_nlink+0xc4/0x110
[ 64.644137][ T5831] ? report_bug+0x2b3/0x500
[ 64.648695][ T5831] ? drop_nlink+0xc4/0x110
[ 64.653198][ T5831] ? handle_bug+0x60/0x90
[ 64.657583][ T5831] ? exc_invalid_op+0x1a/0x50
[ 64.662361][ T5831] ? asm_exc_invalid_op+0x1a/0x20
[ 64.667435][ T5831] ? drop_nlink+0x43/0x110
[ 64.671930][ T5831] ? drop_nlink+0xc3/0x110
[ 64.676384][ T5831] ? drop_nlink+0xc4/0x110
[ 64.681080][ T5831] minix_rmdir+0xa5/0xc0
[ 64.685349][ T5831] vfs_rmdir+0x3a3/0x510
[ 64.689593][ T5831] do_rmdir+0x3b5/0x580
[ 64.693849][ T5831] ? __virt_addr_valid+0x183/0x530
[ 64.699012][ T5831] ? __pfx_do_rmdir+0x10/0x10
[ 64.703869][ T5831] ? getname_flags+0x1e3/0x540
[ 64.708771][ T5831] __x64_sys_rmdir+0x47/0x50
[ 64.713430][ T5831] do_syscall_64+0xf3/0x230
[ 64.717958][ T5831] ? clear_bhb_loop+0x35/0x90
[ 64.722696][ T5831] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 64.728676][ T5831] RIP: 0033:0x7f9c7e24ed47
[ 64.733196][ T5831] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 54 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 64.752902][ T5831] RSP: 002b:00007ffdacfcd818 EFLAGS: 00000207 ORIG_RAX: 0000000000000054
[ 64.761398][ T5831] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9c7e24ed47
[ 64.769386][ T5831] RDX: 0000000000008890 RSI: 0000000000000000 RDI: 00007ffdacfce9c0
[ 64.777410][ T5831] RBP: 0000000000000065 R08: 0000000000000000 R09: 0000000000000000
[ 64.785425][ T5831] R10: 0000000000000100 R11: 0000000000000207 R12: 00007ffdacfce9c0
[ 64.793462][ T5831] R13: 0000555578126740 R14: 431bde82d7b634db R15: 00007ffdacfd0b40
[ 64.801487][ T5831]
[ 64.804525][ T5831] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 64.811810][ T5831] CPU: 1 UID: 0 PID: 5831 Comm: syz-executor293 Not tainted 6.13.0-rc3-next-20241220-syzkaller #0
[ 64.822400][ T5831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 64.832468][ T5831] Call Trace:
[ 64.835803][ T5831]
[ 64.838732][ T5831] dump_stack_lvl+0x241/0x360
[ 64.843415][ T5831] ? __pfx_dump_stack_lvl+0x10/0x10
[ 64.848609][ T5831] ? __pfx__printk+0x10/0x10
[ 64.853212][ T5831] ? vscnprintf+0x5d/0x90
[ 64.857542][ T5831] panic+0x349/0x880
[ 64.861440][ T5831] ? __warn+0x174/0x4d0
[ 64.865604][ T5831] ? __pfx_panic+0x10/0x10
[ 64.870029][ T5831] __warn+0x344/0x4d0
[ 64.874006][ T5831] ? drop_nlink+0xc4/0x110
[ 64.878422][ T5831] report_bug+0x2b3/0x500
[ 64.882759][ T5831] ? drop_nlink+0xc4/0x110
[ 64.887178][ T5831] handle_bug+0x60/0x90
[ 64.891330][ T5831] exc_invalid_op+0x1a/0x50
[ 64.895829][ T5831] asm_exc_invalid_op+0x1a/0x20
[ 64.900733][ T5831] RIP: 0010:drop_nlink+0xc4/0x110
[ 64.905789][ T5831] 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
[ 64.925422][ T5831] RSP: 0018:ffffc90003fefd30 EFLAGS: 00010293
[ 64.931507][ T5831] RAX: ffffffff823e8cd3 RBX: 1ffff1100ed9dab5 RCX: ffff888075278000
[ 64.939482][ T5831] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 64.947450][ T5831] RBP: 0000000000000000 R08: ffffffff823e8c53 R09: 1ffffffff203563e
[ 64.955419][ T5831] R10: dffffc0000000000 R11: fffffbfff203563f R12: ffff888076ced5a8
[ 64.963388][ T5831] R13: ffff88807f9c3d60 R14: ffff888076ced560 R15: dffffc0000000000
[ 64.971381][ T5831] ? drop_nlink+0x43/0x110
[ 64.975813][ T5831] ? drop_nlink+0xc3/0x110
[ 64.980249][ T5831] minix_rmdir+0xa5/0xc0
[ 64.984501][ T5831] vfs_rmdir+0x3a3/0x510
[ 64.988745][ T5831] do_rmdir+0x3b5/0x580
[ 64.992900][ T5831] ? __virt_addr_valid+0x183/0x530
[ 64.998022][ T5831] ? __pfx_do_rmdir+0x10/0x10
[ 65.002749][ T5831] ? getname_flags+0x1e3/0x540
[ 65.007530][ T5831] __x64_sys_rmdir+0x47/0x50
[ 65.012127][ T5831] do_syscall_64+0xf3/0x230
[ 65.016634][ T5831] ? clear_bhb_loop+0x35/0x90
[ 65.021315][ T5831] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 65.027207][ T5831] RIP: 0033:0x7f9c7e24ed47
[ 65.031619][ T5831] Code: 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 54 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48
[ 65.051237][ T5831] RSP: 002b:00007ffdacfcd818 EFLAGS: 00000207 ORIG_RAX: 0000000000000054
[ 65.059763][ T5831] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9c7e24ed47
[ 65.067739][ T5831] RDX: 0000000000008890 RSI: 0000000000000000 RDI: 00007ffdacfce9c0
[ 65.075721][ T5831] RBP: 0000000000000065 R08: 0000000000000000 R09: 0000000000000000
[ 65.083688][ T5831] R10: 0000000000000100 R11: 0000000000000207 R12: 00007ffdacfce9c0
[ 65.091656][ T5831] R13: 0000555578126740 R14: 431bde82d7b634db R15: 00007ffdacfd0b40
[ 65.099659][ T5831]
[ 65.102965][ T5831] Kernel Offset: disabled
[ 65.107329][ T5831] Rebooting in 86400 seconds..