ci2-android-5-10/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-5-10/syz-executor4033418306 <...> Warning: Permanently added '10.128.0.174' (ED25519) to the list of known hosts. execve("ci2-android-5-10/syz-executor4033418306", ["ci2-android-5-10/syz-executor4033418306"], 0x7ffeb2793d70 /* 10 vars */) = 0 brk(NULL) = 0x55556a457000 brk(0x55556a457d40) = 0x55556a457d40 arch_prctl(ARCH_SET_FS, 0x55556a4573c0) = 0 set_tid_address(0x55556a457690) = 297 set_robust_list(0x55556a4576a0, 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-5-10/syz-executor4033418306", 4096) = 45 getrandom("\x1a\x46\x89\x5e\x69\x47\x7c\x0c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55556a457d40 brk(0x55556a478d40) = 0x55556a478d40 brk(0x55556a479000) = 0x55556a479000 mprotect(0x7f0b9e4f7000, 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 executing program write(1, "executing program\n", 18) = 18 futex(0x7f0b9e4fdb4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7f0b9e45f710, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f0b9e452000}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0b9e40e000 mprotect(0x7f0b9e40f000, 131072, PROT_READ|PROT_WRITE) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b9e42e990, parent_tid=0x7f0b9e42e990, exit_signal=0, stack=0x7f0b9e40e000, stack_size=0x20300, tls=0x7f0b9e42e6c0} => {parent_tid=[298]}, 88) = 298 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 futex(0x7f0b9e4fdb48, FUTEX_WAKE_PRIVATE, 1000000) = 0 futex(0x7f0b9e4fdb4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 298 attached [pid 298] set_robust_list(0x7f0b9e42e9a0, 24) = 0 [pid 298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 298] mkdir("./file0", 000) = 0 [pid 298] futex(0x7f0b9e4fdb4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... futex resumed>) = 0 [pid 298] <... futex resumed>) = 1 [pid 297] futex(0x7f0b9e4fdb48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 297] futex(0x7f0b9e4fdb4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] openat(AT_FDCWD, "/dev/fuse", O_RDWR|O_CREAT, 000) = 3 [pid 298] futex(0x7f0b9e4fdb4c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 298] futex(0x7f0b9e4fdb48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 297] <... futex resumed>) = 0 [pid 297] futex(0x7f0b9e4fdb48, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 298] <... futex resumed>) = 0 [pid 297] futex(0x7f0b9e4fdb4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=0000000000000000040000,user_id=00000000000000000000,group_id=00000000"...) = 0 [pid 298] futex(0x7f0b9e4fdb4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... futex resumed>) = 0 [pid 297] futex(0x7f0b9e4fdb48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 297] futex(0x7f0b9e4fdb4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... futex resumed>) = 1 [pid 298] read(3, "\x38\x00\x00\x00\x1a\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x20\x00\x00\x00\x00\x00\x02\x00\xfb\xff\xff\x83", 8224) = 56 [pid 298] futex(0x7f0b9e4fdb4c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... futex resumed>) = 0 [pid 298] <... futex resumed>) = 1 [pid 297] futex(0x7f0b9e4fdb48, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 298] read(3 [ 26.514482][ T24] audit: type=1400 audit(1790454824.370:64): avc: denied { execmem } for pid=297 comm="syz-executor403" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 26.536923][ T24] audit: type=1400 audit(1790454824.400:65): avc: denied { read write } for pid=297 comm="syz-executor403" name="fuse" dev="devtmpfs" ino=90 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1 [pid 297] futex(0x7f0b9e4fdb4c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 297] futex(0x7f0b9e4fdb5c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 297] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f0b9e3ed000 [pid 297] mprotect(0x7f0b9e3ee000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 297] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 297] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f0b9e40d990, parent_tid=0x7f0b9e40d990, exit_signal=0, stack=0x7f0b9e3ed000, stack_size=0x20300, tls=0x7f0b9e40d6c0} => {parent_tid=[300]}, 88) = 300 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 297] futex(0x7f0b9e4fdb58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 297] futex(0x7f0b9e4fdb5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-5-10/strace-static-x86_64: Process 300 attached [pid 300] set_robust_list(0x7f0b9e40d9a0, 24) = 0 [pid 300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 300] write(3, "\x20\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x04\x00\x00\x00\x02\x00\x00\x00\x09\x00\x00\x00", 32) = 32 [ 26.560885][ T24] audit: type=1400 audit(1790454824.400:66): avc: denied { open } for pid=297 comm="syz-executor403" path="/dev/fuse" dev="devtmpfs" ino=90 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1 [ 26.584355][ T24] audit: type=1400 audit(1790454824.410:67): avc: denied { mounton } for pid=297 comm="syz-executor403" path="/root/file0" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [pid 300] futex(0x7f0b9e4fdb5c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... futex resumed>) = 0 [pid 297] futex(0x7f0b9e4fdb58, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 297] futex(0x7f0b9e4fdb5c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 300] <... futex resumed>) = 1 [pid 300] rename("./file0/../file0/file0", "./file0/../file0/file0" [pid 298] <... read resumed>, "\x2e\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x2c\x01\x00\x00\x00\x00\x00\x00\x66\x69\x6c\x65\x30\x00", 8192) = 46 [pid 298] write(3, "\x90\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x09\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\x00\x80\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x0b\x00\x00\x00\x00\x00\x00\x00\xff\x03\x00\x00\x00\x00\x00\x00\xbf\x0d\x00\x00"..., 144) = 144 [pid 298] futex(0x7f0b9e4fdb4c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [ 26.607179][ T24] audit: type=1400 audit(1790454824.410:68): avc: denied { mount } for pid=297 comm="syz-executor403" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 26.618570][ T300] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN [ 26.640959][ T300] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 26.649375][ T300] CPU: 1 PID: 300 Comm: syz-executor403 Not tainted syzkaller #0 [ 26.657082][ T300] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 26.667150][ T300] RIP: 0010:do_renameat2+0x4a0/0xe50 [ 26.672429][ T300] Code: 49 89 c5 48 3d 01 f0 ff ff 72 0e e8 6a 41 ba ff 4c 8b 24 24 e9 6d 03 00 00 4d 89 ec 49 c1 ec 03 48 b8 00 00 00 00 00 fc ff df <41> 0f b6 04 04 84 c0 0f 85 2e 05 00 00 41 8b 5d 00 be 00 00 70 00 [ 26.692034][ T300] RSP: 0018:ffffc90000bc7da0 EFLAGS: 00010202 [ 26.698122][ T300] RAX: dffffc0000000000 RBX: ffffc90000bc7e80 RCX: ffff88810bb0a800 [ 26.706090][ T300] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88810bb0a800 [ 26.714093][ T300] RBP: ffffc90000bc7f08 R08: ffff8881218a416f R09: 1ffff1102431482d [ 26.722054][ T300] R10: dffffc0000000000 R11: ffffed102431482e R12: 0000000000000001 [ 26.730016][ T300] R13: 0000000000000008 R14: ffff88810bb29100 R15: 1ffff92000178f01 [ 26.738008][ T300] FS: 00007f0b9e40d6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 26.746932][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.753510][ T300] CR2: 0000555a35285e38 CR3: 000000010ab0e000 CR4: 00000000003506a0 [ 26.761479][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.769623][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.777595][ T300] Call Trace: [ 26.780894][ T300] ? fsnotify_move+0x2a0/0x2a0 [ 26.785673][ T300] ? getname_flags+0x205/0x510 [ 26.790432][ T300] __x64_sys_rename+0x86/0x90 [ 26.795108][ T300] do_syscall_64+0x31/0x40 [ 26.799522][ T300] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 26.805424][ T300] RIP: 0033:0x7f0b9e44ce79 [ 26.809834][ T300] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d0 ff ff ff f7 d8 64 89 01 48 [ 26.829432][ T300] RSP: 002b:00007f0b9e40d218 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 [ 26.837854][ T300] RAX: ffffffffffffffda RBX: 00007f0b9e4fdb58 RCX: 00007f0b9e44ce79 [ 26.845822][ T300] RDX: 00007f0b9e44ce79 RSI: 00002000000000c0 RDI: 0000200000000100 [ 26.853871][ T300] RBP: 00007f0b9e4fdb50 R08: 33203a6b63617473 R09: 33203a6b63617473 [pid 298] futex(0x7f0b9e4fdb48, FUTEX_WAIT_PRIVATE, 0, NULL [pid 297] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [ 26.861839][ T300] R10: 33203a6b63617473 R11: 0000000000000246 R12: 00007f0b9e4cb41c [ 26.869809][ T300] R13: 0000200000006280 R14: 0000200000000100 R15: 00007fff05402098 [ 26.877810][ T300] Modules linked in: [ 26.882316][ T300] ---[ end trace 0729febeab040b8f ]--- [ 26.885924][ T24] audit: type=1400 audit(1790454824.740:69): avc: denied { read } for pid=77 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 26.888181][ T300] RIP: 0010:do_renameat2+0x4a0/0xe50 [ 26.914827][ T24] audit: type=1400 audit(1790454824.740:70): avc: denied { search } for pid=77 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 26.914920][ T300] Code: 49 89 c5 48 3d 01 f0 ff ff 72 0e e8 6a 41 ba ff 4c 8b 24 24 e9 6d 03 00 00 4d 89 ec 49 c1 ec 03 48 b8 00 00 00 00 00 fc ff df <41> 0f b6 04 04 84 c0 0f 85 2e 05 00 00 41 8b 5d 00 be 00 00 70 00 [ 26.936538][ T24] audit: type=1400 audit(1790454824.740:71): avc: denied { write } for pid=77 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 26.956107][ T300] RSP: 0018:ffffc90000bc7da0 EFLAGS: 00010202 [ 26.977054][ T24] audit: type=1400 audit(1790454824.740:72): avc: denied { add_name } for pid=77 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 26.983292][ T300] RAX: dffffc0000000000 RBX: ffffc90000bc7e80 RCX: ffff88810bb0a800 [ 27.004374][ T24] audit: type=1400 audit(1790454824.740:73): avc: denied { create } for pid=77 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 27.011759][ T300] RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff88810bb0a800 [ 27.039830][ T300] RBP: ffffc90000bc7f08 R08: ffff8881218a416f R09: 1ffff1102431482d [ 27.047849][ T300] R10: dffffc0000000000 R11: ffffed102431482e R12: 0000000000000001 [ 27.055867][ T300] R13: 0000000000000008 R14: ffff88810bb29100 R15: 1ffff92000178f01 [ 27.063852][ T300] FS: 00007f0b9e40d6c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 27.072831][ T300] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 27.079451][ T300] CR2: 0000555a35285e38 CR3: 000000010ab0e000 CR4: 00000000003506a0 [ 27.087477][ T300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 27.095491][ T300] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 27.103549][ T300] Kernel panic - not syncing: Fatal exception [ 27.109717][ T300] Kernel Offset: disabled [ 27.114049][ T300] Rebooting in 86400 seconds..