./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2279117016
<...>
Warning: Permanently added '10.128.0.234' (ED25519) to the list of known hosts.
execve("./syz-executor2279117016", ["./syz-executor2279117016"], 0x7ffe95b3b010 /* 10 vars */) = 0
brk(NULL) = 0x55555cf28000
brk(0x55555cf28d00) = 0x55555cf28d00
arch_prctl(ARCH_SET_FS, 0x55555cf28380) = 0
set_tid_address(0x55555cf28650) = 5836
set_robust_list(0x55555cf28660, 24) = 0
rseq(0x55555cf28ca0, 0x20, 0, 0x53053053) = 0
prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0
readlink("/proc/self/exe", "/root/syz-executor2279117016", 4096) = 28
getrandom("\x79\x91\x5c\x3c\x73\x33\xcd\x24", 8, GRND_NONBLOCK) = 8
brk(NULL) = 0x55555cf28d00
brk(0x55555cf49d00) = 0x55555cf49d00
brk(0x55555cf4a000) = 0x55555cf4a000
mprotect(0x7fdce252f000, 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("\x73\x20\x37\x38\xf8\x7f\x6e\xa0", 8, GRND_NONBLOCK) = 8
mkdir("./syzkaller.hsi4lk", 0700) = 0
chmod("./syzkaller.hsi4lk", 0777) = 0
chdir("./syzkaller.hsi4lk") = 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 5838 attached
, child_tidptr=0x55555cf28650) = 5838
[pid 5838] set_robust_list(0x55555cf28660, 24) = 0
[pid 5838] chdir("./0") = 0
[pid 5838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0
[pid 5838] setpgid(0, 0) = 0
[pid 5838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3
[pid 5838] write(3, "1000", 4) = 4
[pid 5838] close(3) = 0
[pid 5838] symlink("/dev/binderfs", "./binderfs") = 0
executing program
[pid 5838] write(1, "executing program\n", 18) = 18
[pid 5838] memfd_create("syzkaller", 0) = 3
[pid 5838] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fdcda000000
[pid 5838] 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 5838] munmap(0x7fdcda000000, 138412032) = 0
[pid 5838] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4
[pid 5838] ioctl(4, LOOP_SET_FD, 3) = 0
[pid 5838] close(3) = 0
[pid 5838] close(4) = 0
[pid 5838] mkdir("./bus", 0777) = 0
[pid 5838] mount("/dev/loop0", "./bus", "minix", MS_REC, "") = 0
[pid 5838] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3
[pid 5838] chdir("./bus") = 0
[pid 5838] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy)
[ 87.659646][ T5838] loop0: detected capacity change from 0 to 64
[pid 5838] truncate("./file2", 524288) = 0
[pid 5838] socket(AF_NETLINK, SOCK_RAW, NETLINK_GENERIC) = 4
[pid 5838] unlink("./file1") = 0
[pid 5838] creat("./bus", 000) = -1 ENOSPC (No space left on device)
[pid 5838] mkdirat(AT_FDCWD, "./file0", 000) = -1 EEXIST (File exists)
[pid 5838] mkdirat(AT_FDCWD, "./file1", 000) = 0
[pid 5838] mkdir("./bus", 000) = 0
[ 87.721174][ T5838] Trying to free block not in datazone
[ 87.742885][ T5838] Trying to free block not in datazone
[ 87.749021][ T5838] minix_free_inode: bit 5 already cleared
[pid 5838] mount(NULL, "./bus", "overlay", 0, "upperdir=./file1,lowerdir=./file0,workdir=./bus,") = 0
[pid 5838] chdir("./bus") = 0
[ 87.798330][ T5838] overlayfs: upper fs needs to support d_type.
[ 87.809510][ T5838] overlayfs: upper fs does not support RENAME_WHITEOUT.
[ 87.817196][ T5838] overlayfs: failed to set xattr on upper
[ 87.823735][ T5838] overlayfs: ...falling back to redirect_dir=nofollow.
[ 87.831583][ T5838] overlayfs: ...falling back to index=off.
[ 87.838791][ T5838] overlayfs: ...falling back to uuid=null.
[pid 5838] open("./bus", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_NONBLOCK|O_SYNC|O_DIRECT|O_NOATIME|O_CLOEXEC, 000) = 5
[pid 5838] exit_group(0) = ?
[pid 5838] +++ exited with 0 +++
--- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5838, si_uid=0, si_status=0, si_utime=0, si_stime=10 /* 0.10 s */} ---
umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument)
openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3
[ 87.865156][ T29] audit: type=1800 audit(1736033956.121:2): pid=5838 uid=0 auid=4294967295 ses=4294967295 subj=unconfined op=collect_data cause=failed(directio) comm="syz-executor227" name="bus" dev="overlay" ino=4 res=0 errno=0
newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0
getdents64(3, 0x55555cf296f0 /* 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, 0x55555cf31730 /* 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, 0x55555cf39770 /* 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, 0x55555cf417b0 /* 2 entries */, 32768) = 48
getdents64(6, 0x55555cf417b0 /* 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, 0x55555cf39770 /* 0 entries */, 32768) = 0
close(5) = 0
[ 88.418757][ T5836] ------------[ cut here ]------------
[ 88.424743][ T5836] WARNING: CPU: 0 PID: 5836 at fs/inode.c:407 drop_nlink+0xc4/0x110
[ 88.433106][ T5836] Modules linked in:
[ 88.437121][ T5836] CPU: 0 UID: 0 PID: 5836 Comm: syz-executor227 Not tainted 6.13.0-rc3-next-20241220-syzkaller #0
[ 88.447903][ T5836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 88.458224][ T5836] RIP: 0010:drop_nlink+0xc4/0x110
[ 88.463641][ T5836] 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
[ 88.483719][ T5836] RSP: 0018:ffffc9000415fd30 EFLAGS: 00010293
[ 88.489861][ T5836] RAX: ffffffff823e8cd3 RBX: 1ffff1100e6c40ba RCX: ffff888079239e00
[ 88.497976][ T5836] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 88.506033][ T5836] RBP: 0000000000000000 R08: ffffffff823e8c53 R09: 1ffffffff203563e
[ 88.514695][ T5836] R10: dffffc0000000000 R11: fffffbfff203563f R12: ffff8880736205d0
[ 88.523794][ T5836] R13: ffff8880255438f8 R14: ffff888073620588 R15: dffffc0000000000
[ 88.532555][ T5836] FS: 000055555cf28380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
[ 88.541863][ T5836] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 88.549032][ T5836] CR2: 000055555cf497b8 CR3: 0000000076e60000 CR4: 00000000003526f0
[ 88.557156][ T5836] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 88.565335][ T5836] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 88.573426][ T5836] Call Trace:
[ 88.576747][ T5836]
[ 88.579706][ T5836] ? __warn+0x165/0x4d0
[ 88.584083][ T5836] ? drop_nlink+0xc4/0x110
[ 88.588570][ T5836] ? report_bug+0x2b3/0x500
[ 88.593314][ T5836] ? drop_nlink+0xc4/0x110
[ 88.597942][ T5836] ? handle_bug+0x60/0x90
[ 88.602504][ T5836] ? exc_invalid_op+0x1a/0x50
[ 88.607351][ T5836] ? asm_exc_invalid_op+0x1a/0x20
[ 88.612528][ T5836] ? drop_nlink+0x43/0x110
[ 88.617440][ T5836] ? drop_nlink+0xc3/0x110
[ 88.622405][ T5836] ? drop_nlink+0xc4/0x110
[ 88.627403][ T5836] minix_rmdir+0xa5/0xc0
[ 88.631923][ T5836] vfs_rmdir+0x3a3/0x510
[ 88.636578][ T5836] do_rmdir+0x3b5/0x580
[ 88.641158][ T5836] ? __virt_addr_valid+0x183/0x530
[ 88.646973][ T5836] ? __pfx_do_rmdir+0x10/0x10
[ 88.652050][ T5836] ? getname_flags+0x1e3/0x540
[ 88.657694][ T5836] __x64_sys_rmdir+0x47/0x50
[ 88.662583][ T5836] do_syscall_64+0xf3/0x230
[ 88.667318][ T5836] ? clear_bhb_loop+0x35/0x90
[ 88.672215][ T5836] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 88.678493][ T5836] RIP: 0033:0x7fdce24bad87
[ 88.683309][ T5836] 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
[ 88.704530][ T5836] RSP: 002b:00007ffc718be4a8 EFLAGS: 00000207 ORIG_RAX: 0000000000000054
[ 88.714939][ T5836] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdce24bad87
[ 88.723576][ T5836] RDX: 0000000000008890 RSI: 0000000000000000 RDI: 00007ffc718bf650
[ 88.732421][ T5836] RBP: 0000000000000065 R08: 0000000000000000 R09: 0000000000000000
[ 88.740675][ T5836] R10: 0000000000000100 R11: 0000000000000207 R12: 00007ffc718bf650
[ 88.749264][ T5836] R13: 000055555cf39740 R14: 431bde82d7b634db R15: 00007ffc718c17d0
[ 88.759218][ T5836]
[ 88.762665][ T5836] Kernel panic - not syncing: kernel: panic_on_warn set ...
[ 88.770462][ T5836] CPU: 0 UID: 0 PID: 5836 Comm: syz-executor227 Not tainted 6.13.0-rc3-next-20241220-syzkaller #0
[ 88.782407][ T5836] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
[ 88.793455][ T5836] Call Trace:
[ 88.797146][ T5836]
[ 88.800759][ T5836] dump_stack_lvl+0x241/0x360
[ 88.806529][ T5836] ? __pfx_dump_stack_lvl+0x10/0x10
[ 88.812495][ T5836] ? __pfx__printk+0x10/0x10
[ 88.817698][ T5836] ? vscnprintf+0x5d/0x90
[ 88.822684][ T5836] panic+0x349/0x880
[ 88.826994][ T5836] ? __warn+0x174/0x4d0
[ 88.831499][ T5836] ? __pfx_panic+0x10/0x10
[ 88.836307][ T5836] __warn+0x344/0x4d0
[ 88.840377][ T5836] ? drop_nlink+0xc4/0x110
[ 88.845363][ T5836] report_bug+0x2b3/0x500
[ 88.850004][ T5836] ? drop_nlink+0xc4/0x110
[ 88.854476][ T5836] handle_bug+0x60/0x90
[ 88.859519][ T5836] exc_invalid_op+0x1a/0x50
[ 88.864164][ T5836] asm_exc_invalid_op+0x1a/0x20
[ 88.869903][ T5836] RIP: 0010:drop_nlink+0xc4/0x110
[ 88.875445][ T5836] 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
[ 88.897672][ T5836] RSP: 0018:ffffc9000415fd30 EFLAGS: 00010293
[ 88.904992][ T5836] RAX: ffffffff823e8cd3 RBX: 1ffff1100e6c40ba RCX: ffff888079239e00
[ 88.914568][ T5836] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
[ 88.923259][ T5836] RBP: 0000000000000000 R08: ffffffff823e8c53 R09: 1ffffffff203563e
[ 88.931447][ T5836] R10: dffffc0000000000 R11: fffffbfff203563f R12: ffff8880736205d0
[ 88.940193][ T5836] R13: ffff8880255438f8 R14: ffff888073620588 R15: dffffc0000000000
[ 88.948486][ T5836] ? drop_nlink+0x43/0x110
[ 88.953385][ T5836] ? drop_nlink+0xc3/0x110
[ 88.958308][ T5836] minix_rmdir+0xa5/0xc0
[ 88.962703][ T5836] vfs_rmdir+0x3a3/0x510
[ 88.967623][ T5836] do_rmdir+0x3b5/0x580
[ 88.972176][ T5836] ? __virt_addr_valid+0x183/0x530
[ 88.977974][ T5836] ? __pfx_do_rmdir+0x10/0x10
[ 88.983812][ T5836] ? getname_flags+0x1e3/0x540
[ 88.989041][ T5836] __x64_sys_rmdir+0x47/0x50
[ 88.994762][ T5836] do_syscall_64+0xf3/0x230
[ 89.000139][ T5836] ? clear_bhb_loop+0x35/0x90
[ 89.005264][ T5836] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 89.011748][ T5836] RIP: 0033:0x7fdce24bad87
[ 89.016951][ T5836] 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
[ 89.038449][ T5836] RSP: 002b:00007ffc718be4a8 EFLAGS: 00000207 ORIG_RAX: 0000000000000054
[ 89.047272][ T5836] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fdce24bad87
[ 89.055979][ T5836] RDX: 0000000000008890 RSI: 0000000000000000 RDI: 00007ffc718bf650
[ 89.064795][ T5836] RBP: 0000000000000065 R08: 0000000000000000 R09: 0000000000000000
[ 89.073591][ T5836] R10: 0000000000000100 R11: 0000000000000207 R12: 00007ffc718bf650
[ 89.082312][ T5836] R13: 000055555cf39740 R14: 431bde82d7b634db R15: 00007ffc718c17d0
[ 89.090434][ T5836]
[ 89.093796][ T5836] Kernel Offset: disabled
[ 89.098402][ T5836] Rebooting in 86400 seconds..