ci2-android-5-15/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-5-15/syz-executor91982971 <...> Warning: Permanently added '10.128.1.47' (ED25519) to the list of known hosts. execve("ci2-android-5-15/syz-executor91982971", ["ci2-android-5-15/syz-executor91982971"], 0x7fffdcdb7ae0 /* 10 vars */) = 0 brk(NULL) = 0x5555565b9000 brk(0x5555565b9d40) = 0x5555565b9d40 arch_prctl(ARCH_SET_FS, 0x5555565b93c0) = 0 set_tid_address(0x5555565b9690) = 303 set_robust_list(0x5555565b96a0, 24) = 0 rseq({cpu_id_start=0, cpu_id=RSEQ_CPU_ID_UNINITIALIZED, rseq_cs=NULL, flags=0, node_id=0, mm_cid=0, slice_ctrl={request=0, granted=0, __reserved=0}, __reserved=0}, 32, 0, 0x53053053) = -1 ENOSYS (Function not implemented) prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlinkat(AT_FDCWD, "/proc/self/exe", "/root/ci2-android-5-15/syz-executor91982971", 4096) = 43 getrandom("\x30\x69\x61\xb7\xae\x25\x35\x1a", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555565b9d40 brk(0x5555565dad40) = 0x5555565dad40 brk(0x5555565db000) = 0x5555565db000 mprotect(0x7f0ab4231000, 20480, 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 getrandom("\x44\x36\x3b\x41\xc9\x6a\x74\xe4", 8, GRND_NONBLOCK) = 8 mkdir("./syzkaller.U7jFok", 0700) = 0 chmod("./syzkaller.U7jFok", 0777) = 0 chdir("./syzkaller.U7jFok") = 0 mkdir("./0", 0777) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDONLY) = 3 ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) close(3) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x5555565b9690) = 304 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-5-15/strace-static-x86_64: Process 304 attached [pid 304] set_robust_list(0x5555565b96a0, 24) = 0 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] chdir("./0") = 0 [pid 304] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 304] setpgid(0, 0) = 0 [pid 304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 304] write(3, "1000", 4) = 4 [pid 304] close(3) = 0 [pid 304] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 304] write(1, "executing program\n", 18) = 18 [ 25.146136][ T30] audit: type=1400 audit(1794046258.490:64): avc: denied { execmem } for pid=303 comm="syz-executor919" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 25.167442][ T30] audit: type=1400 audit(1794046258.510:65): avc: denied { read } for pid=303 comm="syz-executor919" name="loop0" dev="devtmpfs" ino=116 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [pid 304] memfd_create("syzkaller", 0) = 3 [pid 304] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f0aabd80000 [pid 304] 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"..., 262144) = 262144 [pid 304] munmap(0x7f0aabd80000, 138412032) = 0 [pid 304] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 304] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 304] close(3) = 0 [ 25.191638][ T30] audit: type=1400 audit(1794046258.510:66): avc: denied { open } for pid=303 comm="syz-executor919" path="/dev/loop0" dev="devtmpfs" ino=116 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 25.211577][ T304] loop0: detected capacity change from 0 to 512 [pid 304] close(4) = 0 [pid 304] mkdir("./file0", 0777) = 0 [ 25.216302][ T30] audit: type=1400 audit(1794046258.520:67): avc: denied { ioctl } for pid=303 comm="syz-executor919" path="/dev/loop0" dev="devtmpfs" ino=116 ioctlcmd=0x4c01 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 25.247706][ T30] audit: type=1400 audit(1794046258.560:68): avc: denied { write } for pid=304 comm="syz-executor919" name="loop0" dev="devtmpfs" ino=116 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 25.288805][ T30] audit: type=1400 audit(1794046258.640:69): avc: denied { mounton } for pid=304 comm="syz-executor919" path="/root/syzkaller.U7jFok/0/file0" dev="sda1" ino=2028 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [pid 304] mount("/dev/loop0", "./file0", "ext4", MS_NOSYMFOLLOW|MS_NOATIME|MS_I_VERSION|MS_LAZYTIME|0x200, "seclabel,,errors=continue") = 0 [pid 304] openat(AT_FDCWD, "./file0", O_RDONLY|O_DIRECTORY) = 3 [pid 304] chdir("./file0") = 0 [pid 304] openat(AT_FDCWD, "/dev/loop0", O_RDONLY) = 4 [pid 304] ioctl(4, LOOP_CLR_FD) = 0 [pid 304] close(4) = 0 [pid 304] mount("./file0", "./file0", "incremental-fs", MS_NODEV|MS_NOATIME, NULL) = 0 [pid 304] exit_group(0) = ? [pid 304] +++ exited with 0 +++ --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=304, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 getdents64(3, 0x5555565ba750 /* 4 entries */, 32768) = 112 umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) newfstatat(AT_FDCWD, "./0/file0", {st_mode=S_IFDIR|0755, st_size=1024, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./0/file0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EBUSY (Device or resource busy) openat(AT_FDCWD, "./0/file0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 25.342753][ T304] EXT4-fs error (device loop0): ext4_xattr_inode_iget:397: comm syz-executor919: Parent and EA inode have the same ino 15 [ 25.355975][ T304] EXT4-fs (loop0): 1 orphan inode deleted [ 25.361910][ T304] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue. Quota mode: none. fstat(4, {st_mode=S_IFDIR|0755, st_size=1024, ...}) = 0 getdents64(4, 0x5555565c2790 /* 5 entries */, 32768) = 144 umount2("./0/file0/lost+found", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/file0/lost+found", {st_mode=S_IFBLK|S_ISVTX|0614, st_rdev=makedev(0, 0xe), ...}, AT_SYMLINK_NOFOLLOW) = 0 unlink("./0/file0/lost+found") = 0 umount2("./0/file0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) newfstatat(AT_FDCWD, "./0/file0/file1", {st_mode=S_IFDIR|0700, st_size=60, ...}, AT_SYMLINK_NOFOLLOW) = 0 umount2("./0/file0/file1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) openat(AT_FDCWD, "./0/file0/file1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 5 fstat(5, {st_mode=S_IFDIR|0700, st_size=60, ...}) = 0 getdents64(5, 0x5555565ca7d0 /* 2 entries */, 32768) = 48 getdents64(5, 0x5555565ca7d0 /* 0 entries */, 32768) = 0 close(5) = 0 rmdir("./0/file0/file1") = 0 [ 25.372824][ T30] audit: type=1400 audit(1794046258.720:70): avc: denied { mount } for pid=304 comm="syz-executor919" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 25.391053][ T303] EXT4-fs error (device loop0): htree_dirblock_to_tree:1112: inode #2: block 13: comm syz-executor919: bad entry in directory: rec_len is smaller than minimal - offset=76, inode=0, rec_len=0, size=1024 fake=0 [ 25.395357][ T30] audit: type=1400 audit(1794046258.720:71): avc: denied { mounton } for pid=304 comm="syz-executor919" path="/root/syzkaller.U7jFok/0/file0/file0" dev="loop0" ino=12 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 25.440265][ T303] ------------[ cut here ]------------ [ 25.440408][ T30] audit: type=1400 audit(1794046258.720:72): avc: denied { write } for pid=304 comm="syz-executor919" name="file0" dev="loop0" ino=12 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 25.445753][ T303] kernel BUG at fs/namei.c:2941! [ 25.468072][ T30] audit: type=1400 audit(1794046258.720:73): avc: denied { add_name } for pid=304 comm="syz-executor919" name=".index" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 25.494190][ T303] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 25.500287][ T303] CPU: 0 PID: 303 Comm: syz-executor919 Not tainted syzkaller #0 [ 25.508003][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026 [ 25.518072][ T303] RIP: 0010:may_delete+0x727/0x730 [ 25.523215][ T303] Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 82 fe ff ff 48 89 df e8 da 25 f5 ff e9 75 fe ff ff e8 70 8b b5 ff 0f 0b e8 69 8b b5 ff <0f> 0b 0f 1f 80 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 51 8b [ 25.542813][ T303] RSP: 0018:ffffc90000977bc8 EFLAGS: 00010293 [ 25.548889][ T303] RAX: ffffffff81b44b97 RBX: ffff888121052bb0 RCX: ffff888100f93c00 [ 25.556874][ T303] RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000 [ 25.564838][ T303] RBP: ffffc90000977c20 R08: 0000000000000003 R09: 0000000000000004 [ 25.572819][ T303] R10: dffffc0000000000 R11: fffff5200012ef58 R12: 1ffff1102420a576 [ 25.580787][ T303] R13: 0000000000000001 R14: ffff8881210c9be0 R15: dffffc0000000000 [ 25.588755][ T303] FS: 00005555565b93c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 25.597682][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.604259][ T303] CR2: 0000556fd379b980 CR3: 000000011d610000 CR4: 00000000003506b0 [ 25.612246][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.620230][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.628198][ T303] Call Trace: [ 25.631475][ T303] [ 25.634421][ T303] vfs_rmdir+0x2f/0x450 [ 25.638577][ T303] ? incfs_kill_sb+0xec/0x210 [ 25.643253][ T303] incfs_kill_sb+0xfe/0x210 [ 25.647772][ T303] deactivate_locked_super+0xa0/0x100 [ 25.653140][ T303] deactivate_super+0xaf/0xe0 [ 25.657820][ T303] cleanup_mnt+0x44f/0x500 [ 25.662234][ T303] __cleanup_mnt+0x19/0x20 [ 25.666666][ T303] task_work_run+0x127/0x190 [ 25.671278][ T303] ptrace_notify+0x230/0x270 [ 25.675867][ T303] ? do_notify_parent+0x830/0x830 [ 25.680889][ T303] ? user_path_at_empty+0x162/0x1c0 [ 25.686087][ T303] ? __x64_sys_umount+0x12d/0x170 [ 25.691123][ T303] ? path_umount+0xfa0/0xfa0 [ 25.695708][ T303] syscall_exit_work+0x87/0x160 [ 25.700553][ T303] syscall_exit_to_user_mode_prepare+0x1c/0x20 [ 25.706705][ T303] syscall_exit_to_user_mode+0xd/0x30 [ 25.712088][ T303] do_syscall_64+0x58/0xa0 [ 25.716500][ T303] ? clear_bhb_loop+0x50/0xa0 [ 25.721172][ T303] ? clear_bhb_loop+0x50/0xa0 [ 25.725847][ T303] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 25.731869][ T303] RIP: 0033:0x7f0ab41a50b7 [ 25.736297][ T303] Code: bf 41 4d 56 53 b8 9d 00 00 00 0f 05 83 f8 ea 75 a2 c7 05 d4 19 09 00 00 00 00 00 eb 96 e8 81 05 00 00 90 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 d8 ff ff ff f7 d8 64 89 02 b8 [ 25.755907][ T303] RSP: 002b:00007ffc7f3b7fa8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 [ 25.764324][ T303] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f0ab41a50b7 [ 25.772289][ T303] RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc7f3b8060 [ 25.780255][ T303] RBP: 00007ffc7f3b8060 R08: 00007ffc7f3b9060 R09: 00000000ffffffff [ 25.788247][ T303] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc7f3b9150 [ 25.796214][ T303] R13: 00005555565c2760 R14: 0000000000000001 R15: 431bde82d7b634db [ 25.804182][ T303] [ 25.807197][ T303] Modules linked in: [ 25.811262][ T303] ---[ end trace 8f121f2575a6bb35 ]--- [ 25.816816][ T303] RIP: 0010:may_delete+0x727/0x730 [ 25.822027][ T303] Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 82 fe ff ff 48 89 df e8 da 25 f5 ff e9 75 fe ff ff e8 70 8b b5 ff 0f 0b e8 69 8b b5 ff <0f> 0b 0f 1f 80 00 00 00 00 55 48 89 e5 41 56 53 48 89 fb e8 51 8b [ 25.841700][ T303] RSP: 0018:ffffc90000977bc8 EFLAGS: 00010293 [ 25.847813][ T303] RAX: ffffffff81b44b97 RBX: ffff888121052bb0 RCX: ffff888100f93c00 [ 25.855786][ T303] RDX: 0000000000000000 RSI: 0000000000200000 RDI: 0000000000000000 [ 25.863824][ T303] RBP: ffffc90000977c20 R08: 0000000000000003 R09: 0000000000000004 [ 25.871830][ T303] R10: dffffc0000000000 R11: fffff5200012ef58 R12: 1ffff1102420a576 [ 25.879867][ T303] R13: 0000000000000001 R14: ffff8881210c9be0 R15: dffffc0000000000 [ 25.887955][ T303] FS: 00005555565b93c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 25.896885][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.903531][ T303] CR2: 00005555565d27d8 CR3: 000000011d610000 CR4: 00000000003506a0 [ 25.911538][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.919574][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.927570][ T303] Kernel panic - not syncing: Fatal exception [ 25.933950][ T303] Kernel Offset: disabled [ 25.938278][ T303] Rebooting in 86400 seconds..