./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2539794528 <...> Warning: Permanently added '10.128.0.240' (ED25519) to the list of known hosts. execve("./syz-executor2539794528", ["./syz-executor2539794528"], 0x7ffc220bd450 /* 10 vars */) = 0 brk(NULL) = 0x5555660d9000 brk(0x5555660d9d00) = 0x5555660d9d00 arch_prctl(ARCH_SET_FS, 0x5555660d9380) = 0 set_tid_address(0x5555660d9650) = 5830 set_robust_list(0x5555660d9660, 24) = 0 rseq(0x5555660d9ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2539794528", 4096) = 28 getrandom("\x30\xfd\x7e\x2f\xa8\xc8\xf2\x81", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555660d9d00 brk(0x5555660fad00) = 0x5555660fad00 brk(0x5555660fb000) = 0x5555660fb000 mprotect(0x7f764355e000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 mkdir("./syzkaller.a59ezA", 0700) = 0 chmod("./syzkaller.a59ezA", 0777) = 0 chdir("./syzkaller.a59ezA") = 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 5831 attached , child_tidptr=0x5555660d9650) = 5831 [pid 5831] set_robust_list(0x5555660d9660, 24) = 0 [pid 5831] chdir("./0") = 0 [pid 5831] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5831] setpgid(0, 0) = 0 [pid 5831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5831] write(3, "1000", 4) = 4 [pid 5831] close(3) = 0 [pid 5831] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5831] write(1, "executing program\n", 18) = 18 [pid 5831] memfd_create("syzkaller", 0) = 3 [pid 5831] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f763b000000 [pid 5831] 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"..., 16777216) = 16777216 [pid 5831] munmap(0x7f763b000000, 138412032) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5831] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5831] close(3) = 0 [pid 5831] close(4) = 0 [pid 5831] mkdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", 0777) = 0 [pid 5831] mount("/dev/loop0", "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", "jfs", MS_DIRSYNC|MS_POSIXACL, "") = 0 [pid 5831] openat(AT_FDCWD, "\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f", O_RDONLY|O_DIRECTORY) = 3 [ 89.909851][ T5831] loop0: detected capacity change from 0 to 32768 [pid 5831] chdir("\x13\x13\x77\xc5\xfc\x35\xd4\x14\x54\xd5\xd4\x1d\x29\xad\x1a\x60\x29\x59\x81\x46\xe6\xbe\x16\x6e\x41\xad\x0d\xbd\x40\x54\x03\x3c\x9f\x33\xbb\xda\x82\x24\xa2\xf3\xd7\x72\xe7\x63\x6e\x48\xb3\x3c\xbf\x70\x83\x72\xe8\xf1\xb9\x93\x3e\xc5\x12\x77\x43\xbe\x22\x06\x20\x9e\xf0\x2d\xf9\xcb\xf2\xf6\xe8\x80\xd3\x38\x2f") = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5831] openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 000) = 4 [pid 5831] pwrite64(4, "\"", 1, 327376) = 1 [pid 5831] sendfile(4, 4, NULL, 238724842) = 8192 [pid 5831] exit_group(0) = ? [pid 5831] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5831, si_uid=0, si_status=0, si_utime=0, si_stime=20 /* 0.20 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 [ 89.994249][ T5831] ERROR: (device loop0): dbAlloc: the hint is outside the map [ 89.994249][ T5831] [ 90.005257][ T5831] ERROR: (device loop0): remounting filesystem as read-only [ 90.012598][ T5831] ERROR: (device loop0): dbAlloc: the hint is outside the map [ 90.012598][ T5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 getdents64(3, 0x5555660da6f0 /* 4 entries */, 32768) = 176 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 [ 90.138611][ T5830] ------------[ cut here ]------------ [ 90.144256][ T5830] kernel BUG at fs/jfs/inode.c:169! [ 90.149503][ T5830] Oops: invalid opcode: 0000 [#1] SMP KASAN PTI [ 90.155777][ T5830] CPU: 0 UID: 0 PID: 5830 Comm: syz-executor253 Not tainted 6.14.0-syzkaller-13524-gf4d2ef48250a #0 PREEMPT(full) [ 90.167847][ T5830] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 90.177912][ T5830] RIP: 0010:jfs_evict_inode+0x437/0x440 [ 90.183469][ T5830] Code: df e8 9d ec d2 fe e9 1d fe ff ff e8 03 54 6b fe 48 c7 c7 e0 f0 15 8f 4c 89 ee e8 44 e4 e0 01 e9 8f fd ff ff e8 ea 53 6b fe 90 <0f> 0b 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 90.203098][ T5830] RSP: 0018:ffffc90003f4f958 EFLAGS: 00010293 [ 90.209174][ T5830] RAX: ffffffff8357f296 RBX: ffff88807b3d09f0 RCX: ffff888011fc0000 [ 90.217155][ T5830] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88807b3d0d68 [ 90.225131][ T5830] RBP: ffffc90003f4fad0 R08: ffffffff8261a043 R09: 1ffffffff20bd6ce [ 90.233111][ T5830] R10: dffffc0000000000 R11: ffffffff8357cf40 R12: ffff88807b3d0d68 [ 90.241093][ T5830] R13: ffff88807b3d0d68 R14: dffffc0000000000 R15: ffffc90003f4fa20 [ 90.249069][ T5830] FS: 00005555660d9380(0000) GS:ffff888124fc9000(0000) knlGS:0000000000000000 [ 90.258010][ T5830] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.264598][ T5830] CR2: 00005555660e26f8 CR3: 0000000079f46000 CR4: 00000000003526f0 [ 90.272573][ T5830] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 90.280546][ T5830] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 90.288520][ T5830] Call Trace: [ 90.291804][ T5830] [ 90.294738][ T5830] ? __pfx_jfs_evict_inode+0x10/0x10 [ 90.300035][ T5830] evict+0x4f9/0x9b0 [ 90.303952][ T5830] ? __pfx_evict+0x10/0x10 [ 90.308379][ T5830] ? do_raw_spin_unlock+0x13c/0x8b0 [ 90.313587][ T5830] evict_inodes+0x6f8/0x7a0 [ 90.318104][ T5830] ? __pfx_evict_inodes+0x10/0x10 [ 90.323134][ T5830] ? dput+0x37/0x2b0 [ 90.327039][ T5830] generic_shutdown_super+0xa0/0x2d0 [ 90.332340][ T5830] kill_block_super+0x44/0x90 [ 90.337029][ T5830] deactivate_locked_super+0xc4/0x130 [ 90.342415][ T5830] cleanup_mnt+0x422/0x4c0 [ 90.346857][ T5830] ? lockdep_hardirqs_on+0x9d/0x150 [ 90.352110][ T5830] task_work_run+0x251/0x310 [ 90.356727][ T5830] ? __pfx_task_work_run+0x10/0x10 [ 90.361861][ T5830] ? path_umount+0x251/0xfb0 [ 90.366466][ T5830] ptrace_notify+0x2dc/0x390 [ 90.371343][ T5830] ? __x64_sys_umount+0x122/0x170 [ 90.376379][ T5830] ? user_path_at+0x44/0x60 [ 90.380898][ T5830] ? __pfx_ptrace_notify+0x10/0x10 [ 90.386021][ T5830] ? kmem_cache_free+0x197/0x410 [ 90.390965][ T5830] ? __x64_sys_umount+0x122/0x170 [ 90.395995][ T5830] syscall_exit_work+0xc7/0x1d0 [ 90.400852][ T5830] syscall_exit_to_user_mode+0x24a/0x340 [ 90.406498][ T5830] do_syscall_64+0x100/0x230 [ 90.411108][ T5830] ? clear_bhb_loop+0x45/0xa0 [ 90.415792][ T5830] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 90.421695][ T5830] RIP: 0033:0x7f76434e5407 [ 90.426134][ T5830] Code: 07 00 48 83 c4 08 5b 5d c3 66 2e 0f 1f 84 00 00 00 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 [ 90.445746][ T5830] RSP: 002b:00007ffd604bee88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 90.454169][ T5830] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f76434e5407 [ 90.462145][ T5830] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd604bef40 [ 90.470125][ T5830] RBP: 00007ffd604bef40 R08: 0000000000000000 R09: 0000000000000000 [ 90.478120][ T5830] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd604bffb0 [ 90.486112][ T5830] R13: 00005555660da6c0 R14: 0000000000000001 R15: 431bde82d7b634db [ 90.494113][ T5830] [ 90.497152][ T5830] Modules linked in: [ 90.501411][ T5830] ---[ end trace 0000000000000000 ]--- [ 90.506959][ T5830] RIP: 0010:jfs_evict_inode+0x437/0x440 [ 90.512539][ T5830] Code: df e8 9d ec d2 fe e9 1d fe ff ff e8 03 54 6b fe 48 c7 c7 e0 f0 15 8f 4c 89 ee e8 44 e4 e0 01 e9 8f fd ff ff e8 ea 53 6b fe 90 <0f> 0b 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 90.532247][ T5830] RSP: 0018:ffffc90003f4f958 EFLAGS: 00010293 [ 90.538633][ T5830] RAX: ffffffff8357f296 RBX: ffff88807b3d09f0 RCX: ffff888011fc0000 [ 90.546669][ T5830] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88807b3d0d68 [ 90.554690][ T5830] RBP: ffffc90003f4fad0 R08: ffffffff8261a043 R09: 1ffffffff20bd6ce [ 90.562663][ T5830] R10: dffffc0000000000 R11: ffffffff8357cf40 R12: ffff88807b3d0d68 [ 90.570758][ T5830] R13: ffff88807b3d0d68 R14: dffffc0000000000 R15: ffffc90003f4fa20 [ 90.578785][ T5830] FS: 00005555660d9380(0000) GS:ffff888124fc9000(0000) knlGS:0000000000000000 [ 90.587761][ T5830] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 90.594387][ T5830] CR2: 00005555660e26f8 CR3: 0000000079f46000 CR4: 00000000003526f0 [ 90.602384][ T5830] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 90.610461][ T5830] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 90.618600][ T5830] Kernel panic - not syncing: Fatal exception [ 90.624936][ T5830] Kernel Offset: disabled [ 90.629289][ T5830] Rebooting in 86400 seconds..