./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3715317617 <...> Warning: Permanently added '10.128.1.15' (ED25519) to the list of known hosts. execve("./syz-executor3715317617", ["./syz-executor3715317617"], 0x7ffd603a9550 /* 10 vars */) = 0 brk(NULL) = 0x5555557eb000 brk(0x5555557ebd00) = 0x5555557ebd00 arch_prctl(ARCH_SET_FS, 0x5555557eb380) = 0 set_tid_address(0x5555557eb650) = 5064 set_robust_list(0x5555557eb660, 24) = 0 rseq(0x5555557ebca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3715317617", 4096) = 28 getrandom("\x47\x40\x47\x56\x4e\xee\x29\x53", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555557ebd00 brk(0x55555580cd00) = 0x55555580cd00 brk(0x55555580d000) = 0x55555580d000 mprotect(0x7f6efb2ba000, 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.ktCUty", 0700) = 0 chmod("./syzkaller.ktCUty", 0777) = 0 chdir("./syzkaller.ktCUty") = 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 5065 attached , child_tidptr=0x5555557eb650) = 5065 [pid 5065] set_robust_list(0x5555557eb660, 24) = 0 [pid 5065] chdir("./0") = 0 [pid 5065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5065] setpgid(0, 0) = 0 [pid 5065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5065] write(3, "1000", 4) = 4 [pid 5065] close(3) = 0 [pid 5065] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5065] memfd_create("syzkaller", 0) = 3 [pid 5065] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f6ef2df7000 [pid 5065] 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"..., 67108864) = 67108864 [pid 5065] munmap(0x7f6ef2df7000, 138412032) = 0 [pid 5065] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5065] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5065] close(3) = 0 [pid 5065] mkdir("./file1", 0777) = 0 [ 55.004114][ T5065] loop0: detected capacity change from 0 to 131072 [ 55.021598][ T5065] F2FS-fs (loop0): invalid crc value [ 55.030108][ T5065] F2FS-fs (loop0): Found nat_bits in checkpoint [pid 5065] mount("/dev/loop0", "./file1", "f2fs", MS_RDONLY, "") = 0 [pid 5065] openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 [pid 5065] chdir("./file1") = 0 [pid 5065] ioctl(4, LOOP_CLR_FD) = 0 [pid 5065] close(4) = 0 [pid 5065] mkdirat(AT_FDCWD, "./cgroup.cpu/syz0", 0777) = -1 E2BIG (Argument list too long) [pid 5065] exit_group(0) = ? [pid 5065] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5065, si_uid=0, si_status=0, si_utime=7 /* 0.07 s */, si_stime=52 /* 0.52 s */} --- [ 55.063237][ T5065] F2FS-fs (loop0): Mounted with checkpoint version = 48b305e4 [ 55.079887][ T5065] F2FS-fs (loop0): Corrupted max_depth of 3: 127 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, 0x5555557ec6f0 /* 4 entries */, 32768) = 112 umount2("./0/binderfs", MNT_DETACH|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 [ 55.145565][ T5064] ------------[ cut here ]------------ [ 55.151098][ T5064] kernel BUG at fs/f2fs/inode.c:933! [ 55.156386][ T5064] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 55.162437][ T5064] CPU: 1 PID: 5064 Comm: syz-executor371 Not tainted 6.6.0-syzkaller-15365-g305230142ae0 #0 [ 55.172480][ T5064] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 [ 55.182515][ T5064] RIP: 0010:f2fs_evict_inode+0x178a/0x1e70 [ 55.188325][ T5064] Code: ff df 48 c1 ea 03 80 3c 02 00 0f 85 d8 05 00 00 8b 73 40 ba 01 00 00 00 48 89 ef e8 80 1b 07 00 e9 a3 fc ff ff e8 76 d2 d5 fd <0f> 0b e8 6f d2 d5 fd 48 c7 c0 88 4c 7a 8d 48 ba 00 00 00 00 00 fc [ 55.207914][ T5064] RSP: 0018:ffffc900039ffac8 EFLAGS: 00010293 [ 55.213963][ T5064] RAX: 0000000000000000 RBX: ffff88807e2c08d8 RCX: ffffffff83b2b9f6 [ 55.221916][ T5064] RDX: ffff888078270000 RSI: ffffffff83b2ca0a RDI: 0000000000000007 [ 55.229869][ T5064] RBP: ffff88807ec4c000 R08: 0000000000000007 R09: 0000000000000000 [ 55.237818][ T5064] R10: 0000000000000001 R11: ffffffff915f4988 R12: 0000000000000001 [ 55.245770][ T5064] R13: 0000000000000000 R14: ffff88807ec4d498 R15: ffff88807e2c0d88 [ 55.253723][ T5064] FS: 00005555557eb380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 55.262634][ T5064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.269198][ T5064] CR2: 00005555557f46f8 CR3: 0000000078430000 CR4: 0000000000350ef0 [ 55.277154][ T5064] Call Trace: [ 55.280433][ T5064] [ 55.283348][ T5064] ? show_regs+0x8f/0xa0 [ 55.287573][ T5064] ? die+0x36/0xa0 [ 55.291280][ T5064] ? do_trap+0x22b/0x420 [ 55.295503][ T5064] ? f2fs_evict_inode+0x178a/0x1e70 [ 55.300684][ T5064] ? f2fs_evict_inode+0x178a/0x1e70 [ 55.305859][ T5064] ? do_error_trap+0xf4/0x230 [ 55.310525][ T5064] ? f2fs_evict_inode+0x178a/0x1e70 [ 55.315702][ T5064] ? handle_invalid_op+0x34/0x40 [ 55.320632][ T5064] ? f2fs_evict_inode+0x178a/0x1e70 [ 55.325821][ T5064] ? exc_invalid_op+0x2d/0x40 [ 55.330493][ T5064] ? asm_exc_invalid_op+0x1a/0x20 [ 55.335500][ T5064] ? f2fs_evict_inode+0x776/0x1e70 [ 55.340589][ T5064] ? f2fs_evict_inode+0x178a/0x1e70 [ 55.345762][ T5064] ? f2fs_evict_inode+0x178a/0x1e70 [ 55.350940][ T5064] ? f2fs_evict_inode+0x178a/0x1e70 [ 55.356116][ T5064] ? spin_bug+0x1d0/0x1d0 [ 55.360437][ T5064] ? do_raw_spin_unlock+0x173/0x230 [ 55.365617][ T5064] ? f2fs_write_inode+0xd70/0xd70 [ 55.370636][ T5064] evict+0x2ed/0x6b0 [ 55.374514][ T5064] dispose_list+0x117/0x1e0 [ 55.378995][ T5064] evict_inodes+0x34f/0x450 [ 55.383492][ T5064] ? dispose_list+0x1e0/0x1e0 [ 55.388149][ T5064] ? shrink_dcache_for_umount+0x16e/0x340 [ 55.393848][ T5064] generic_shutdown_super+0xb5/0x3c0 [ 55.399113][ T5064] kill_block_super+0x3b/0x90 [ 55.403769][ T5064] kill_f2fs_super+0x2b7/0x3e0 [ 55.408520][ T5064] ? trace_event_raw_event_f2fs_unlink_enter+0x450/0x450 [ 55.415529][ T5064] deactivate_locked_super+0xbc/0x1a0 [ 55.420882][ T5064] deactivate_super+0xde/0x100 [ 55.425625][ T5064] cleanup_mnt+0x222/0x450 [ 55.430029][ T5064] task_work_run+0x14d/0x240 [ 55.434606][ T5064] ? task_work_cancel+0x30/0x30 [ 55.439456][ T5064] ptrace_notify+0x10c/0x130 [ 55.444027][ T5064] syscall_exit_to_user_mode_prepare+0x120/0x220 [ 55.450340][ T5064] syscall_exit_to_user_mode+0xd/0x60 [ 55.455690][ T5064] do_syscall_64+0x4b/0x110 [ 55.460180][ T5064] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 55.466059][ T5064] RIP: 0033:0x7f6efb237307 [ 55.470454][ T5064] Code: 08 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 [ 55.490044][ T5064] RSP: 002b:00007ffd36c0ac18 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 55.498435][ T5064] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f6efb237307 [ 55.506384][ T5064] RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffd36c0acd0 [ 55.514335][ T5064] RBP: 00007ffd36c0acd0 R08: 0000000000000000 R09: 0000000000000000 [ 55.522285][ T5064] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd36c0bd30 [ 55.530238][ T5064] R13: 00005555557ec6c0 R14: 0000000000000001 R15: 431bde82d7b634db [ 55.538191][ T5064] [ 55.541187][ T5064] Modules linked in: [ 55.545877][ T5064] ---[ end trace 0000000000000000 ]--- [ 55.553520][ T5064] RIP: 0010:f2fs_evict_inode+0x178a/0x1e70 [ 55.559367][ T5064] Code: ff df 48 c1 ea 03 80 3c 02 00 0f 85 d8 05 00 00 8b 73 40 ba 01 00 00 00 48 89 ef e8 80 1b 07 00 e9 a3 fc ff ff e8 76 d2 d5 fd <0f> 0b e8 6f d2 d5 fd 48 c7 c0 88 4c 7a 8d 48 ba 00 00 00 00 00 fc [ 55.579035][ T5064] RSP: 0018:ffffc900039ffac8 EFLAGS: 00010293 [ 55.585139][ T5064] RAX: 0000000000000000 RBX: ffff88807e2c08d8 RCX: ffffffff83b2b9f6 [ 55.593135][ T5064] RDX: ffff888078270000 RSI: ffffffff83b2ca0a RDI: 0000000000000007 [ 55.601132][ T5064] RBP: ffff88807ec4c000 R08: 0000000000000007 R09: 0000000000000000 [ 55.609111][ T5064] R10: 0000000000000001 R11: ffffffff915f4988 R12: 0000000000000001 [ 55.617110][ T5064] R13: 0000000000000000 R14: ffff88807ec4d498 R15: ffff88807e2c0d88 [ 55.625110][ T5064] FS: 00005555557eb380(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 55.634145][ T5064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.640778][ T5064] CR2: 00005555557f46f8 CR3: 0000000078430000 CR4: 0000000000350ef0 [ 55.648754][ T5064] Kernel panic - not syncing: Fatal exception [ 55.655099][ T5064] Kernel Offset: disabled [ 55.659409][ T5064] Rebooting in 86400 seconds..