./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor3140285776 <...> Warning: Permanently added '10.128.1.11' (ED25519) to the list of known hosts. execve("./syz-executor3140285776", ["./syz-executor3140285776"], 0x7ffdb5469340 /* 10 vars */) = 0 brk(NULL) = 0x555583765000 brk(0x555583765d00) = 0x555583765d00 arch_prctl(ARCH_SET_FS, 0x555583765380) = 0 set_tid_address(0x555583765650) = 5831 set_robust_list(0x555583765660, 24) = 0 rseq(0x555583765ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor3140285776", 4096) = 28 getrandom("\x6c\x20\x90\x85\x85\x67\x1a\xb4", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555583765d00 brk(0x555583786d00) = 0x555583786d00 brk(0x555583787000) = 0x555583787000 mprotect(0x7f41abaa3000, 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.I1bvat", 0700) = 0 chmod("./syzkaller.I1bvat", 0777) = 0 chdir("./syzkaller.I1bvat") = 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 5833 attached , child_tidptr=0x555583765650) = 5833 [pid 5833] set_robust_list(0x555583765660, 24) = 0 [pid 5833] chdir("./0") = 0 [pid 5833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5833] setpgid(0, 0) = 0 [pid 5833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] write(3, "1000", 4) = 4 [pid 5833] close(3) = 0 [pid 5833] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5833] write(1, "executing program\n", 18) = 18 [pid 5833] memfd_create("syzkaller", 0) = 3 [pid 5833] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f41a3400000 [pid 5833] write(3, "\x02\x02\x02\x02\x02\x02\x02\x02\x74\x68\x69\x73\x20\x69\x73\x20\x61\x6e\x20\x6f\x63\x66\x73\x32\x20\x76\x6f\x6c\x75\x6d\x65\x00\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02\x02"..., 16777216) = 16777216 [pid 5833] munmap(0x7f41a3400000, 138412032) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5833] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5833] close(3) = 0 [pid 5833] close(4) = 0 [pid 5833] mkdir("./file0", 0777) = 0 [ 79.533544][ T5833] loop0: detected capacity change from 0 to 32768 [ 79.588447][ T5833] (syz-executor314,5833,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xc2d589a7, computed 0x6a4501d0. Applying ECC. [ 79.603116][ T5833] (syz-executor314,5833,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [ 79.618986][ T5833] (syz-executor314,5833,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. [pid 5833] mount("/dev/loop0", "./file0", "ocfs2", MS_NOSUID|MS_NOEXEC|MS_STRICTATIME, "journal_async_commit,heartbeat=none,localflocks,inode64,localalloc=18446744073709551610,noacl,") = 0 [pid 5833] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 5833] chdir("./file0") = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 79.643620][ T5833] JBD2: Ignoring recovery information on journal [ 79.670556][ T5833] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 79.712180][ T5833] (syz-executor314,5833,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xc2d589a7, computed 0x6a4501d0. Applying ECC. [ 79.733608][ T5833] (syz-executor314,5833,1):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0x7d05e7ff, computed 0x7dc2e7ff. Applying ECC. [ 79.747701][ T5833] (syz-executor314,5833,1):ocfs2_block_check_validate:416 ERROR: Fixed CRC32 failed: stored: 0x7d05e7ff, computed 0x7dc2e7ff [ 79.760723][ T5833] (syz-executor314,5833,1):ocfs2_read_quota_phys_block:160 ERROR: status = -5 [ 79.769879][ T5833] (syz-executor314,5833,1):ocfs2_quota_read:201 ERROR: status = -5 [ 79.777864][ T5833] Quota error (device loop0): find_tree_dqentry: Can't read quota tree block 2 [ 79.787026][ T5833] Quota error (device loop0): qtree_read_dquot: Can't read quota structure for id 0 [ 79.796623][ T5833] (syz-executor314,5833,1):ocfs2_acquire_dquot:885 ERROR: status = -5 [pid 5833] openat(AT_FDCWD, "cpu.stat", O_RDWR|O_CREAT|O_NOCTTY|O_TRUNC|O_APPEND|FASYNC|0x18, 000) = -1 EIO (Input/output error) [pid 5833] exit_group(0) = ? [pid 5833] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5833, si_uid=0, si_status=0, si_utime=2 /* 0.02 s */, si_stime=34 /* 0.34 s */} --- restart_syscall(<... resuming interrupted clone ...>) = 0 umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 79.805605][ T5833] (syz-executor314,5833,1):ocfs2_mknod:312 ERROR: status = -5 [ 79.813190][ T5833] (syz-executor314,5833,1):ocfs2_mknod:500 ERROR: status = -5 [ 79.820812][ T5833] (syz-executor314,5833,1):ocfs2_create:674 ERROR: status = -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, 0x5555837666f0 /* 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 [ 79.991265][ T5831] ocfs2: Unmounting device (7,0) on (node local) [ 79.998428][ T5831] VFS: Busy inodes after unmount of loop0 (ocfs2) [ 79.998723][ T5831] ------------[ cut here ]------------ [ 80.010729][ T5831] kernel BUG at fs/super.c:652! [ 80.016043][ T5831] Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI [ 80.023039][ T5831] CPU: 0 UID: 0 PID: 5831 Comm: syz-executor314 Not tainted 6.12.0-next-20241118-syzkaller #0 [ 80.033293][ T5831] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024 [ 80.043375][ T5831] RIP: 0010:generic_shutdown_super+0x2ca/0x2d0 [ 80.049618][ T5831] Code: 1b 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 09 40 ed ff 48 8b 13 48 c7 c7 40 2c 18 8c 4c 89 e6 e8 17 d4 e9 fe 90 <0f> 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 80.069257][ T5831] RSP: 0018:ffffc90003d07be0 EFLAGS: 00010246 [ 80.075343][ T5831] RAX: 000000000000002f RBX: ffffffff8ee3aaa0 RCX: a37bb11960693000 [ 80.083408][ T5831] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 80.091385][ T5831] RBP: 1ffff110069f78f0 R08: ffffffff817f048c R09: 1ffff110170c519a [ 80.099371][ T5831] R10: dffffc0000000000 R11: ffffed10170c519b R12: ffff888034fbc668 [ 80.107360][ T5831] R13: dffffc0000000000 R14: ffffffff8c47f4d8 R15: ffff888034fbc780 [ 80.115339][ T5831] FS: 0000555583765380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 80.124468][ T5831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.131067][ T5831] CR2: 00007ffd97a3968c CR3: 0000000076440000 CR4: 00000000003526f0 [ 80.139053][ T5831] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.147027][ T5831] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.155009][ T5831] Call Trace: [ 80.158292][ T5831] [ 80.161227][ T5831] ? __die_body+0x5f/0xb0 [ 80.165590][ T5831] ? die+0x9e/0xc0 [ 80.169320][ T5831] ? do_trap+0x15a/0x3a0 [ 80.173578][ T5831] ? generic_shutdown_super+0x2ca/0x2d0 [ 80.179143][ T5831] ? do_error_trap+0x1dc/0x2c0 [ 80.183921][ T5831] ? generic_shutdown_super+0x2ca/0x2d0 [ 80.189476][ T5831] ? lockdep_hardirqs_on+0x99/0x150 [ 80.194708][ T5831] ? __pfx_do_error_trap+0x10/0x10 [ 80.199836][ T5831] ? report_bug+0x3e8/0x500 [ 80.204355][ T5831] ? handle_invalid_op+0x34/0x40 [ 80.209303][ T5831] ? generic_shutdown_super+0x2ca/0x2d0 [ 80.214853][ T5831] ? exc_invalid_op+0x38/0x50 [ 80.219537][ T5831] ? asm_exc_invalid_op+0x1a/0x20 [ 80.224568][ T5831] ? __wake_up_klogd+0xcc/0x110 [ 80.229437][ T5831] ? generic_shutdown_super+0x2ca/0x2d0 [ 80.235019][ T5831] kill_block_super+0x44/0x90 [ 80.239725][ T5831] deactivate_locked_super+0xc4/0x130 [ 80.245111][ T5831] cleanup_mnt+0x41f/0x4b0 [ 80.249559][ T5831] ? lockdep_hardirqs_on+0x99/0x150 [ 80.254891][ T5831] task_work_run+0x24f/0x310 [ 80.259506][ T5831] ? __pfx_task_work_run+0x10/0x10 [ 80.264630][ T5831] ? path_umount+0x284/0xf70 [ 80.269234][ T5831] ptrace_notify+0x2d2/0x380 [ 80.273841][ T5831] ? __pfx_ptrace_notify+0x10/0x10 [ 80.278962][ T5831] ? kmem_cache_free+0x195/0x410 [ 80.283916][ T5831] ? __x64_sys_umount+0x123/0x170 [ 80.288950][ T5831] syscall_exit_work+0xe3/0x220 [ 80.293812][ T5831] syscall_exit_to_user_mode+0x24a/0x340 [ 80.299465][ T5831] do_syscall_64+0x100/0x230 [ 80.304064][ T5831] ? clear_bhb_loop+0x35/0x90 [ 80.308754][ T5831] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 80.314667][ T5831] RIP: 0033:0x7f41aba2c447 [ 80.319109][ T5831] 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 [ 80.338726][ T5831] RSP: 002b:00007ffd97a39678 EFLAGS: 00000206 ORIG_RAX: 00000000000000a6 [ 80.347151][ T5831] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f41aba2c447 [ 80.355136][ T5831] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffd97a39730 [ 80.363113][ T5831] RBP: 00007ffd97a39730 R08: 0000000000000000 R09: 0000000000000000 [ 80.371089][ T5831] R10: 00000000ffffffff R11: 0000000000000206 R12: 00007ffd97a3a790 [ 80.379085][ T5831] R13: 00005555837666c0 R14: 0000000000000001 R15: 431bde82d7b634db [ 80.387099][ T5831] [ 80.390128][ T5831] Modules linked in: [ 80.394398][ T5831] ---[ end trace 0000000000000000 ]--- [ 80.400178][ T5831] RIP: 0010:generic_shutdown_super+0x2ca/0x2d0 [ 80.407282][ T5831] Code: 1b 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 09 40 ed ff 48 8b 13 48 c7 c7 40 2c 18 8c 4c 89 e6 e8 17 d4 e9 fe 90 <0f> 0b 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 80.427014][ T5831] RSP: 0018:ffffc90003d07be0 EFLAGS: 00010246 [ 80.433179][ T5831] RAX: 000000000000002f RBX: ffffffff8ee3aaa0 RCX: a37bb11960693000 [ 80.441181][ T5831] RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 [ 80.449255][ T5831] RBP: 1ffff110069f78f0 R08: ffffffff817f048c R09: 1ffff110170c519a [ 80.457276][ T5831] R10: dffffc0000000000 R11: ffffed10170c519b R12: ffff888034fbc668 [ 80.465502][ T5831] R13: dffffc0000000000 R14: ffffffff8c47f4d8 R15: ffff888034fbc780 [ 80.473574][ T5831] FS: 0000555583765380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 80.482553][ T5831] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 80.489168][ T5831] CR2: 00007ffd97a3968c CR3: 0000000076440000 CR4: 00000000003526f0 [ 80.497216][ T5831] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 80.505321][ T5831] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 80.513405][ T5831] Kernel panic - not syncing: Fatal exception [ 80.519795][ T5831] Kernel Offset: disabled [ 80.524129][ T5831] Rebooting in 86400 seconds..