./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor302591612 <...> Warning: Permanently added '10.128.0.250' (ED25519) to the list of known hosts. execve("./syz-executor302591612", ["./syz-executor302591612"], 0x7ffcc697a400 /* 10 vars */) = 0 brk(NULL) = 0x555560b5d000 brk(0x555560b5dd00) = 0x555560b5dd00 arch_prctl(ARCH_SET_FS, 0x555560b5d380) = 0 set_tid_address(0x555560b5d650) = 5817 set_robust_list(0x555560b5d660, 24) = 0 rseq(0x555560b5dca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor302591612", 4096) = 27 getrandom("\x4d\x40\xc8\x38\x57\xa1\xc5\x25", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555560b5dd00 brk(0x555560b7ed00) = 0x555560b7ed00 brk(0x555560b7f000) = 0x555560b7f000 mprotect(0x7f3bdff2a000, 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 mkdir("./syzkaller.BJYwOz", 0700) = 0 chmod("./syzkaller.BJYwOz", 0777) = 0 chdir("./syzkaller.BJYwOz") = 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 5818 attached , child_tidptr=0x555560b5d650) = 5818 [pid 5818] set_robust_list(0x555560b5d660, 24) = 0 [pid 5818] chdir("./0") = 0 [pid 5818] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5818] setpgid(0, 0) = 0 [pid 5818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5818] write(3, "1000", 4) = 4 [pid 5818] close(3) = 0 [pid 5818] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5818] write(1, "executing program\n", 18) = 18 [pid 5818] memfd_create("syzkaller", 0) = 3 [pid 5818] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f3bd7a00000 [pid 5818] 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 5818] munmap(0x7f3bd7a00000, 138412032) = 0 [pid 5818] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5818] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5818] close(3) = 0 [pid 5818] close(4) = 0 [pid 5818] mkdir("./file0", 0777) = 0 [ 62.135876][ T5818] loop0: detected capacity change from 0 to 32768 [pid 5818] mount("/dev/loop0", "./file0", "jfs", MS_NOSUID|MS_NODEV|MS_POSIXACL, "") = 0 [pid 5818] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5818] chdir("./file0") = 0 [pid 5818] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5818] openat(AT_FDCWD, ".pending_reads", O_WRONLY|O_CREAT|O_TRUNC|O_NONBLOCK|0x1c, 000) = 4 [pid 5818] read(-1, NULL, 0) = -1 EBADF (Bad file descriptor) [pid 5818] lchown(NULL, 0, 60928) = -1 EFAULT (Bad address) [pid 5818] mkdir(".", 0777) = -1 EEXIST (File exists) [pid 5818] mount(NULL, ".", 0x20000080, MS_NODEV|MS_SYNCHRONOUS|MS_REMOUNT|MS_MANDLOCK|MS_NOATIME|MS_NODIRATIME|MS_BIND|MS_MOVE|MS_REC|MS_SILENT|MS_PRIVATE|MS_SLAVE|MS_RELATIME|MS_I_VERSION|MS_STRICTATIME, "") = 0 [pid 5818] openat(AT_FDCWD, ".", O_RDONLY|O_DIRECTORY) = 5 [pid 5818] write(4, "\x30\x00\x00\x00\x05\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 48) = 48 [ 62.244528][ T5818] ======================================================= [ 62.244528][ T5818] WARNING: The mand mount option has been deprecated and [ 62.244528][ T5818] and is ignored by this kernel. Remove the mand [ 62.244528][ T5818] option from the mount to silence this warning. [ 62.244528][ T5818] ======================================================= [pid 5818] 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) = -1 EIO (Input/output error) [pid 5818] --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- [pid 5818] +++ killed by SIGSEGV +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_KILLED, si_pid=5818, si_uid=0, si_status=SIGSEGV, si_utime=4 /* 0.04 s */, si_stime=15 /* 0.15 s */} --- umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 62.295276][ T5818] ERROR: (device loop0): dbAlloc: unable to allocate blocks [ 62.295276][ T5818] [ 62.305603][ T5818] ERROR: (device loop0): remounting filesystem as read-only [ 62.313302][ T5818] ialloc: diAlloc returned -5! 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, 0x555560b5e6f0 /* 4 entries */, 32768) = 112 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 [ 62.452069][ T5817] ------------[ cut here ]------------ [ 62.457758][ T5817] kernel BUG at fs/jfs/inode.c:169! [ 62.463018][ T5817] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 62.469964][ T5817] CPU: 0 UID: 0 PID: 5817 Comm: syz-executor302 Not tainted 6.13.0-rc2-syzkaller-00130-g150b567e0d57 #0 [ 62.481062][ T5817] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/25/2024 [ 62.491115][ T5817] RIP: 0010:jfs_evict_inode+0x434/0x440 [ 62.496661][ T5817] Code: df e8 c0 91 d9 fe e9 1d fe ff ff e8 06 bc 75 fe 48 c7 c7 00 9f d4 8e 4c 89 ee e8 a7 11 c9 01 e9 92 fd ff ff e8 ed bb 75 fe 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 [ 62.516261][ T5817] RSP: 0018:ffffc900036c7978 EFLAGS: 00010293 [ 62.522325][ T5817] RAX: ffffffff8329a203 RBX: ffff88807950aed0 RCX: ffff88807ee7da00 [ 62.530287][ T5817] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88807950b248 [ 62.538249][ T5817] RBP: ffffc900036c7af0 R08: ffffffff82380493 R09: 1ffffffff284dd2b [ 62.546212][ T5817] R10: dffffc0000000000 R11: ffffffff83297f30 R12: ffff88807950b248 [ 62.554174][ T5817] R13: ffff88807950b2c8 R14: dffffc0000000000 R15: ffff88807950a198 [ 62.562147][ T5817] FS: 0000555560b5d380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 62.571089][ T5817] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.577677][ T5817] CR2: 00007fffab099e88 CR3: 000000007bff4000 CR4: 00000000003526f0 [ 62.585647][ T5817] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.593660][ T5817] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.601638][ T5817] Call Trace: [ 62.604914][ T5817] [ 62.607837][ T5817] ? __die_body+0x5f/0xb0 [ 62.612161][ T5817] ? die+0x9e/0xc0 [ 62.615870][ T5817] ? do_trap+0x15a/0x3a0 [ 62.620109][ T5817] ? jfs_evict_inode+0x434/0x440 [ 62.625043][ T5817] ? do_error_trap+0x1dc/0x2c0 [ 62.629797][ T5817] ? jfs_evict_inode+0x434/0x440 [ 62.634729][ T5817] ? __pfx_do_error_trap+0x10/0x10 [ 62.639837][ T5817] ? handle_invalid_op+0x34/0x40 [ 62.644766][ T5817] ? jfs_evict_inode+0x434/0x440 [ 62.649718][ T5817] ? exc_invalid_op+0x38/0x50 [ 62.654401][ T5817] ? asm_exc_invalid_op+0x1a/0x20 [ 62.659422][ T5817] ? __pfx_jfs_get_dquots+0x10/0x10 [ 62.664620][ T5817] ? dquot_drop+0x43/0x160 [ 62.669027][ T5817] ? jfs_evict_inode+0x433/0x440 [ 62.673960][ T5817] ? jfs_evict_inode+0x434/0x440 [ 62.678889][ T5817] ? jfs_evict_inode+0x433/0x440 [ 62.683820][ T5817] ? __pfx_jfs_evict_inode+0x10/0x10 [ 62.689099][ T5817] evict+0x4e8/0x9a0 [ 62.692997][ T5817] ? __pfx_evict+0x10/0x10 [ 62.697418][ T5817] ? do_raw_spin_unlock+0x13c/0x8b0 [ 62.702619][ T5817] ? list_lru_del_obj+0xa8/0x250 [ 62.707546][ T5817] evict_inodes+0x6f6/0x790 [ 62.712041][ T5817] ? __pfx_evict_inodes+0x10/0x10 [ 62.717053][ T5817] ? dput+0x37/0x2b0 [ 62.720940][ T5817] generic_shutdown_super+0xa0/0x2d0 [ 62.726223][ T5817] kill_block_super+0x44/0x90 [ 62.730891][ T5817] deactivate_locked_super+0xc4/0x130 [ 62.736308][ T5817] cleanup_mnt+0x41f/0x4b0 [ 62.740716][ T5817] ? lockdep_hardirqs_on+0x99/0x150 [ 62.745907][ T5817] task_work_run+0x24f/0x310 [ 62.750492][ T5817] ? __pfx_task_work_run+0x10/0x10 [ 62.755597][ T5817] ? path_umount+0x284/0xf70 [ 62.760188][ T5817] ptrace_notify+0x2d2/0x380 [ 62.764772][ T5817] ? __pfx_ptrace_notify+0x10/0x10 [ 62.769875][ T5817] ? kmem_cache_free+0x195/0x410 [ 62.774828][ T5817] ? __x64_sys_umount+0x123/0x170 [ 62.779874][ T5817] syscall_exit_work+0xc7/0x1d0 [ 62.784728][ T5817] syscall_exit_to_user_mode+0x24a/0x340 [ 62.790365][ T5817] do_syscall_64+0x100/0x230 [ 62.794950][ T5817] ? clear_bhb_loop+0x35/0x90 [ 62.799626][ T5817] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 62.805516][ T5817] RIP: 0033:0x7f3bdfeb15c7 [ 62.809930][ T5817] 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 [ 62.829527][ T5817] RSP: 002b:00007fffab09a638 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 62.837940][ T5817] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f3bdfeb15c7 [ 62.845902][ T5817] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007fffab09a6f0 [ 62.853860][ T5817] RBP: 00007fffab09a6f0 R08: 0000000000000000 R09: 0000000000000000 [ 62.861817][ T5817] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007fffab09b760 [ 62.869776][ T5817] R13: 0000555560b5e6c0 R14: 431bde82d7b634db R15: 00007fffab09b780 [ 62.877741][ T5817] [ 62.880749][ T5817] Modules linked in: [ 62.884780][ T5817] ---[ end trace 0000000000000000 ]--- [ 62.890358][ T5817] RIP: 0010:jfs_evict_inode+0x434/0x440 [ 62.895925][ T5817] Code: df e8 c0 91 d9 fe e9 1d fe ff ff e8 06 bc 75 fe 48 c7 c7 00 9f d4 8e 4c 89 ee e8 a7 11 c9 01 e9 92 fd ff ff e8 ed bb 75 fe 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 [ 62.915607][ T5817] RSP: 0018:ffffc900036c7978 EFLAGS: 00010293 [ 62.921983][ T5817] RAX: ffffffff8329a203 RBX: ffff88807950aed0 RCX: ffff88807ee7da00 [ 62.929989][ T5817] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88807950b248 [ 62.938001][ T5817] RBP: ffffc900036c7af0 R08: ffffffff82380493 R09: 1ffffffff284dd2b [ 62.945977][ T5817] R10: dffffc0000000000 R11: ffffffff83297f30 R12: ffff88807950b248 [ 62.953974][ T5817] R13: ffff88807950b2c8 R14: dffffc0000000000 R15: ffff88807950a198 [ 62.961976][ T5817] FS: 0000555560b5d380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 62.970969][ T5817] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.977613][ T5817] CR2: 00007fffab099e88 CR3: 000000007bff4000 CR4: 00000000003526f0 [ 62.985578][ T5817] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.993589][ T5817] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 63.001606][ T5817] Kernel panic - not syncing: Fatal exception [ 63.007889][ T5817] Kernel Offset: disabled [ 63.012206][ T5817] Rebooting in 86400 seconds..