./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor152788658 <...> Warning: Permanently added '10.128.0.55' (ED25519) to the list of known hosts. execve("./syz-executor152788658", ["./syz-executor152788658"], 0x7fffe0cf8b00 /* 10 vars */) = 0 brk(NULL) = 0x55558df08000 brk(0x55558df08d00) = 0x55558df08d00 arch_prctl(ARCH_SET_FS, 0x55558df08380) = 0 set_tid_address(0x55558df08650) = 5079 set_robust_list(0x55558df08660, 24) = 0 rseq(0x55558df08ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor152788658", 4096) = 27 getrandom("\x77\x10\x13\xe0\x0c\xec\x9e\x82", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558df08d00 brk(0x55558df29d00) = 0x55558df29d00 brk(0x55558df2a000) = 0x55558df2a000 mprotect(0x7f8cc70c1000, 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.TFUD3r", 0700) = 0 chmod("./syzkaller.TFUD3r", 0777) = 0 chdir("./syzkaller.TFUD3r") = 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 5080 attached , child_tidptr=0x55558df08650) = 5080 [pid 5080] set_robust_list(0x55558df08660, 24) = 0 [pid 5080] chdir("./0") = 0 [pid 5080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5080] setpgid(0, 0) = 0 [pid 5080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5080] write(3, "1000", 4) = 4 [pid 5080] close(3) = 0 [pid 5080] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5080] memfd_create("syzkaller", 0) = 3 [pid 5080] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f8cbec00000 [pid 5080] 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"..., 20699119) = 20699119 [pid 5080] munmap(0x7f8cbec00000, 138412032) = 0 [pid 5080] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5080] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5080] close(3) = 0 [pid 5080] close(4) = 0 [pid 5080] mkdir("./bus", 0777) = 0 [ 113.385043][ T5080] loop0: detected capacity change from 0 to 40427 [ 113.445465][ T5080] F2FS-fs (loop0): invalid crc value [ 113.457606][ T5080] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 5080] mount("/dev/loop0", "./bus", "f2fs", MS_RDONLY|MS_RELATIME, "") = 0 [pid 5080] openat(AT_FDCWD, "./bus", O_RDONLY|O_DIRECTORY) = 3 [pid 5080] chdir("./bus") = 0 [pid 5080] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 113.524577][ T5080] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e4 [pid 5080] creat("./bus", 000) = -1 E2BIG (Argument list too long) [pid 5080] exit_group(0) = ? [pid 5080] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5080, si_uid=0, si_status=0, si_utime=0, si_stime=45 /* 0.45 s */} --- umount2("./0", MNT_DETACH|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, 0x55558df096f0 /* 4 entries */, 32768) = 104 [ 113.564694][ T5080] F2FS-fs (loop0): Corrupted max_depth of 3: 16777217 [ 113.603476][ T5079] ------------[ cut here ]------------ [ 113.609389][ T5079] kernel BUG at fs/f2fs/inode.c:904! [ 113.614711][ T5079] invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI [ 113.621333][ T5079] CPU: 0 PID: 5079 Comm: syz-executor152 Not tainted 6.8.0-syzkaller-08951-gfe46a7dd189e #0 [ 113.631434][ T5079] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024 [ 113.641501][ T5079] RIP: 0010:f2fs_evict_inode+0x17a2/0x1e80 [ 113.647376][ T5079] Code: df 48 c1 ea 03 80 3c 02 00 0f 85 d9 05 00 00 8b 73 40 ba 01 00 00 00 48 89 ef e8 c9 8c 07 00 e9 9e fc ff ff e8 5f 53 ca fd 90 <0f> 0b e8 57 53 ca fd 48 c7 c0 48 08 fb 8d 48 ba 00 00 00 00 00 fc [ 113.667010][ T5079] RSP: 0018:ffffc900042c7a98 EFLAGS: 00010293 [ 113.673093][ T5079] RAX: 0000000000000000 RBX: ffff888077a111b0 RCX: ffffffff83c3d8af [ 113.681084][ T5079] RDX: ffff888025cfda00 RSI: ffffffff83c3e8d1 RDI: 0000000000000007 [ 113.689074][ T5079] RBP: ffff888020d3c000 R08: 0000000000000007 R09: 0000000000000000 [ 113.697057][ T5079] R10: 0000000000000001 R11: ffffffff93499f70 R12: 0000000000000001 [ 113.705040][ T5079] R13: 0000000000000000 R14: ffff888020d3d498 R15: ffff888077a11660 [ 113.713028][ T5079] FS: 000055558df08380(0000) GS:ffff8880b9400000(0000) knlGS:0000000000000000 [ 113.721978][ T5079] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 113.728574][ T5079] CR2: 000055558df116f8 CR3: 00000000774f4000 CR4: 0000000000350ef0 [ 113.736561][ T5079] Call Trace: [ 113.739844][ T5079] [ 113.742782][ T5079] ? show_regs+0x8c/0xa0 [ 113.747048][ T5079] ? die+0x36/0xa0 [ 113.750780][ T5079] ? do_trap+0x232/0x430 [ 113.755060][ T5079] ? f2fs_evict_inode+0x17a2/0x1e80 [ 113.760326][ T5079] ? f2fs_evict_inode+0x17a2/0x1e80 [ 113.765823][ T5079] ? do_error_trap+0xf4/0x230 [ 113.770535][ T5079] ? f2fs_evict_inode+0x17a2/0x1e80 [ 113.775781][ T5079] ? handle_invalid_op+0x34/0x40 [ 113.780755][ T5079] ? f2fs_evict_inode+0x17a2/0x1e80 [ 113.786001][ T5079] ? exc_invalid_op+0x2e/0x50 [ 113.790732][ T5079] ? asm_exc_invalid_op+0x1a/0x20 [ 113.795801][ T5079] ? f2fs_evict_inode+0x77f/0x1e80 [ 113.800942][ T5079] ? f2fs_evict_inode+0x17a1/0x1e80 [ 113.806168][ T5079] ? f2fs_evict_inode+0x17a2/0x1e80 [ 113.811415][ T5079] ? f2fs_evict_inode+0x17a1/0x1e80 [ 113.816648][ T5079] ? __pfx_do_raw_spin_lock+0x10/0x10 [ 113.822057][ T5079] ? do_raw_spin_unlock+0x172/0x230 [ 113.827303][ T5079] ? srso_return_thunk+0x5/0x5f [ 113.832179][ T5079] ? __pfx_f2fs_evict_inode+0x10/0x10 [ 113.837582][ T5079] evict+0x2f0/0x6c0 [ 113.841508][ T5079] dispose_list+0x117/0x1e0 [ 113.846040][ T5079] ? srso_return_thunk+0x5/0x5f [ 113.850919][ T5079] evict_inodes+0x34e/0x450 [ 113.855455][ T5079] ? __pfx_evict_inodes+0x10/0x10 [ 113.860504][ T5079] ? srso_return_thunk+0x5/0x5f [ 113.865385][ T5079] ? srso_return_thunk+0x5/0x5f [ 113.870263][ T5079] ? shrink_dcache_for_umount+0x17e/0x390 [ 113.876006][ T5079] generic_shutdown_super+0xb5/0x3d0 [ 113.881333][ T5079] kill_block_super+0x3b/0x90 [ 113.886032][ T5079] kill_f2fs_super+0x2b4/0x440 [ 113.890813][ T5079] ? __pfx_kill_f2fs_super+0x10/0x10 [ 113.896114][ T5079] ? srso_return_thunk+0x5/0x5f [ 113.900998][ T5079] deactivate_locked_super+0xc1/0x1a0 [ 113.906396][ T5079] deactivate_super+0xde/0x100 [ 113.911183][ T5079] cleanup_mnt+0x222/0x450 [ 113.915617][ T5079] task_work_run+0x151/0x250 [ 113.920230][ T5079] ? __pfx_task_work_run+0x10/0x10 [ 113.925381][ T5079] ptrace_notify+0x10e/0x130 [ 113.930011][ T5079] syscall_exit_to_user_mode_prepare+0x126/0x240 [ 113.936378][ T5079] syscall_exit_to_user_mode+0x11/0x2a0 [ 113.941952][ T5079] do_syscall_64+0xe2/0x260 [ 113.946501][ T5079] entry_SYSCALL_64_after_hwframe+0x6d/0x75 [ 113.952457][ T5079] RIP: 0033:0x7f8cc7049307 [ 113.956919][ T5079] 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 [ 113.976619][ T5079] RSP: 002b:00007ffeb31fdfa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 113.985055][ T5079] RAX: 0000000000000000 RBX: 000000000001b913 RCX: 00007f8cc7049307 [ 113.993047][ T5079] RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffeb31fe060 [ 114.001038][ T5079] RBP: 00007ffeb31fe060 R08: 0000000000000000 R09: 0000000000000000 [ 114.009028][ T5079] R10: 00000000ffffffff R11: 0000000000000202 R12: 00007ffeb31ff0c0 [ 114.017018][ T5079] R13: 000055558df096c0 R14: 0000000000000001 R15: 431bde82d7b634db [ 114.025019][ T5079] [ 114.028047][ T5079] Modules linked in: [ 114.033561][ T5079] ---[ end trace 0000000000000000 ]--- [ 114.039106][ T5079] RIP: 0010:f2fs_evict_inode+0x17a2/0x1e80 [ 114.044995][ T5079] Code: df 48 c1 ea 03 80 3c 02 00 0f 85 d9 05 00 00 8b 73 40 ba 01 00 00 00 48 89 ef e8 c9 8c 07 00 e9 9e fc ff ff e8 5f 53 ca fd 90 <0f> 0b e8 57 53 ca fd 48 c7 c0 48 08 fb 8d 48 ba 00 00 00 00 00 fc [ 114.065539][ T5079] RSP: 0018:ffffc900042c7a98 EFLAGS: 00010293 [ 114.071683][ T5079] RAX: 0000000000000000 RBX: ffff888077a111b0 RCX: ffffffff83c3d8af [ 114.079930][ T5079] RDX: ffff888025cfda00 RSI: ffffffff83c3e8d1 RDI: 0000000000000007 [ 114.088022][ T5079] RBP: ffff888020d3c000 R08: 0000000000000007 R09: 0000000000000000 [ 114.096079][ T5079] R10: 0000000000000001 R11: ffffffff93499f70 R12: 0000000000000001 [ 114.104096][ T5079] R13: 0000000000000000 R14: ffff888020d3d498 R15: ffff888077a11660 [ 114.112161][ T5079] FS: 000055558df08380(0000) GS:ffff8880b9500000(0000) knlGS:0000000000000000 [ 114.121200][ T5079] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 114.128014][ T5079] CR2: 000000000045bdd0 CR3: 00000000774f4000 CR4: 0000000000350ef0 [ 114.136132][ T5079] Kernel panic - not syncing: Fatal exception [ 114.142574][ T5079] Kernel Offset: disabled [ 114.146927][ T5079] Rebooting in 86400 seconds..