ci2-android-5-10/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-5-10/syz-executor1026063253 <...> Warning: Permanently added '10.128.10.39' (ED25519) to the list of known hosts. execve("ci2-android-5-10/syz-executor1026063253", ["ci2-android-5-10/syz-executor1026063253"], 0x7fff8c350ea0 /* 10 vars */) = 0 brk(NULL) = 0x55557a189000 brk(0x55557a189d40) = 0x55557a189d40 arch_prctl(ARCH_SET_FS, 0x55557a1893c0) = 0 set_tid_address(0x55557a189690) = 297 set_robust_list(0x55557a1896a0, 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-executor1026063253", 4096) = 45 getrandom("\xd4\x75\x84\xae\x99\x28\xa3\x70", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557a189d40 brk(0x55557a1aad40) = 0x55557a1aad40 brk(0x55557a1ab000) = 0x55557a1ab000 mprotect(0x7f6525510000, 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 write(1, "executing program\n", 18) = 18 futex(0x7f6525516b6c, FUTEX_WAKE_PRIVATE, 1000000) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7f65254787d0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f652546b0c0}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 executing program mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6525427000 mprotect(0x7f6525428000, 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=0x7f6525447990, parent_tid=0x7f6525447990, exit_signal=0, stack=0x7f6525427000, stack_size=0x20300, tls=0x7f65254476c0} => {parent_tid=[298]}, 88) = 298 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 futex(0x7f6525516b68, FUTEX_WAKE_PRIVATE, 1000000) = 0 futex(0x7f6525516b6c, 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(0x7f65254479a0, 24) = 0 [pid 298] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 298] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 298] futex(0x7f6525516b6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... futex resumed>) = 0 [pid 297] futex(0x7f6525516b68, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 297] futex(0x7f6525516b6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... futex resumed>) = 1 [pid 298] openat(AT_FDCWD, "/dev/fuse", O_RDWR) = 3 [pid 298] futex(0x7f6525516b6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... futex resumed>) = 0 [pid 297] futex(0x7f6525516b68, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 297] futex(0x7f6525516b6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... futex resumed>) = 1 [pid 298] mount(NULL, "./file0", "fuse", MS_NODEV|MS_NOATIME, "fd=0x0000000000000003,rootmode=00000000000000000040000,user_id=00000000000000000000,group_id=0000000"...) = 0 [pid 298] futex(0x7f6525516b6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... futex resumed>) = 0 [pid 297] futex(0x7f6525516b68, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 297] futex(0x7f6525516b6c, 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(0x7f6525516b6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... futex resumed>) = 0 [pid 297] futex(0x7f6525516b68, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 297] futex(0x7f6525516b6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... futex resumed>) = 1 [pid 298] write(3, "\x50\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x2b\x00\x00\x00\x00\x00\x00\x00\x42\x88\x41\x2b\x05\x00\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff\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", 80) = 80 [pid 298] futex(0x7f6525516b6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 297] <... futex resumed>) = 0 [pid 297] futex(0x7f6525516b68, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 297] futex(0x7f6525516b6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 298] <... futex resumed>) = 1 [ 25.215368][ T24] audit: type=1400 audit(1789181280.850:64): avc: denied { execmem } for pid=297 comm="syz-executor102" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 25.237278][ T24] audit: type=1400 audit(1789181280.850:65): avc: denied { read write } for pid=297 comm="syz-executor102" 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 298] statx(AT_FDCWD, "./file0/file1", AT_STATX_SYNC_AS_STAT|AT_EMPTY_PATH, STATX_INO [pid 297] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 297] futex(0x7f6525516b7c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 297] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6525406000 [pid 297] mprotect(0x7f6525407000, 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=0x7f6525426990, parent_tid=0x7f6525426990, exit_signal=0, stack=0x7f6525406000, stack_size=0x20300, tls=0x7f65254266c0} => {parent_tid=[300]}, 88) = 300 [pid 297] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 297] futex(0x7f6525516b78, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 297] futex(0x7f6525516b7c, 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(0x7f65254269a0, 24) = 0 [pid 300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 300] read(3, "\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\x2a\x01\x00\x00\x00\x00\x00\x00\x66\x69\x6c\x65\x31\x00", 8192) = 46 [ 25.260866][ T24] audit: type=1400 audit(1789181280.850:66): avc: denied { open } for pid=297 comm="syz-executor102" 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 [ 25.285505][ T298] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN [pid 300] write(3, "\x9f\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x06\x00\x00\x00\x06\x00\x00\x00\x00\x00\x00\x00\x97\x0f\x00\x00\x00\x00\x00\x00\x59\xd4\x00\x00\x00\x00\x00\x00\x05\x00\x00\x00\x00\x00\x00\x00\x60\xd3\x00\x00\x00\x00\x00\x00\xff\xff\xff\xff"..., 159) = 159 [pid 300] futex(0x7f6525516b7c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [ 25.286230][ T24] audit: type=1400 audit(1789181280.850:67): avc: denied { mounton } for pid=297 comm="syz-executor102" path="/root/file0" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 25.297400][ T298] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 25.297426][ T298] CPU: 1 PID: 298 Comm: syz-executor102 Not tainted syzkaller #0 [ 25.297432][ T298] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 25.297463][ T298] RIP: 0010:step_into+0x122/0xcd0 [ 25.297474][ T298] Code: 24 18 c6 44 24 5f 00 43 0f b6 04 2c 84 c0 48 8d 53 38 0f 85 3d 0a 00 00 44 8b 32 4c 8b bc 24 88 00 00 00 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 40 0a 00 00 45 8b 3f 44 89 fe 81 e6 00 [ 25.297481][ T298] RSP: 0018:ffffc90000b67900 EFLAGS: 00010203 [ 25.320360][ T24] audit: type=1400 audit(1789181280.850:68): avc: denied { mount } for pid=297 comm="syz-executor102" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 25.328647][ T298] RAX: 0000000000000001 RBX: ffffc90000b67b00 RCX: ffff88811b93a800 [ 25.328655][ T298] RDX: ffffc90000b67b38 RSI: 0000000000000000 RDI: 0000000000000000 [pid 300] futex(0x7f6525516b78, FUTEX_WAIT_PRIVATE, 0, NULL [pid 297] <... futex resumed>) = 0 [ 25.328663][ T298] RBP: ffffc90000b679e8 R08: 0000000000000000 R09: 1ffff1102418c494 [ 25.328671][ T298] R10: dffffc0000000000 R11: ffffed102418c495 R12: 1ffff9200016cf67 [ 25.328679][ T298] R13: dffffc0000000000 R14: 0000000000004005 R15: 000000000000000f [ 25.328690][ T298] FS: 00007f65254476c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 25.328725][ T298] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.369196][ T24] audit: type=1400 audit(1789181281.000:69): 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 [ 25.371507][ T298] CR2: 000020000000a000 CR3: 0000000121ca5000 CR4: 00000000003506a0 [ 25.377849][ T24] audit: type=1400 audit(1789181281.000:70): 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 [ 25.399813][ T298] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.399821][ T298] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.399825][ T298] Call Trace: [ 25.399845][ T298] ? lookup_one_len+0x2d0/0x2d0 [ 25.399858][ T298] ? set_root+0x3f0/0x3f0 [ 25.399871][ T298] ? __kasan_check_write+0x14/0x20 [ 25.399882][ T298] ? up_read+0x12/0x50 [ 25.399931][ T298] walk_component+0x263/0x460 [ 25.409702][ T24] audit: type=1400 audit(1789181281.000:71): 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 [ 25.416028][ T298] path_lookupat+0x155/0x430 [ 25.416045][ T298] filename_lookup+0x1fd/0x660 [ 25.416088][ T298] ? hashlen_string+0x120/0x120 [ 25.424844][ T24] audit: type=1400 audit(1789181281.000:72): 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 [ 25.432047][ T298] ? getname_flags+0x205/0x510 [ 25.432060][ T298] user_path_at_empty+0x43/0x50 [ 25.432097][ T298] vfs_statx+0x10a/0x530 [ 25.440473][ T24] audit: type=1400 audit(1789181281.000:73): 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 [ 25.449001][ T298] ? __kasan_check_write+0x14/0x20 [ 25.449019][ T298] ? _raw_spin_lock_irq+0x95/0xf0 [ 25.449030][ T298] ? cgroup_update_frozen+0x15c/0x980 [ 25.449070][ T298] ? vfs_fstatat+0x40/0x40 [ 25.659806][ T298] __x64_sys_statx+0x1ba/0x260 [ 25.664591][ T298] ? cp_statx+0x620/0x620 [ 25.668958][ T298] ? ptrace_notify+0x1ea/0x270 [ 25.673769][ T298] ? debug_smp_processor_id+0x17/0x20 [ 25.679157][ T298] ? fpregs_assert_state_consistent+0xb1/0xe0 [ 25.685251][ T298] ? syscall_trace_enter+0x4b/0x170 [ 25.690805][ T298] do_syscall_64+0x31/0x40 [ 25.695321][ T298] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 25.701240][ T298] RIP: 0033:0x7f6525465f39 [ 25.705670][ T298] 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 [ 25.725401][ T298] RSP: 002b:00007f6525447218 EFLAGS: 00000246 ORIG_RAX: 000000000000014c [ 25.733828][ T298] RAX: ffffffffffffffda RBX: 00007f6525516b68 RCX: 00007f6525465f39 [ 25.741817][ T298] RDX: 0000000000001000 RSI: 0000200000000640 RDI: 00000000ffffff9c [ 25.749895][ T298] RBP: 00007f6525516b60 R08: 0000000000000000 R09: 32203a6b63617473 [ 25.757872][ T298] R10: 0000000000000100 R11: 0000000000000246 R12: 00007f65254e4424 [ 25.765852][ T298] R13: 0000200000008200 R14: 00002000000020c0 R15: 00007f65254e003a [ 25.773833][ T298] Modules linked in: [ 25.778289][ T298] ---[ end trace 91d5fb9526f4d097 ]--- [ 25.784035][ T298] RIP: 0010:step_into+0x122/0xcd0 [ 25.789240][ T298] Code: 24 18 c6 44 24 5f 00 43 0f b6 04 2c 84 c0 48 8d 53 38 0f 85 3d 0a 00 00 44 8b 32 4c 8b bc 24 88 00 00 00 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 40 0a 00 00 45 8b 3f 44 89 fe 81 e6 00 [ 25.808916][ T298] RSP: 0018:ffffc90000b67900 EFLAGS: 00010203 [pid 297] exit_group(0) = ? [pid 300] <... futex resumed>) = ? [pid 300] +++ exited with 0 +++ [ 25.815083][ T298] RAX: 0000000000000001 RBX: ffffc90000b67b00 RCX: ffff88811b93a800 [ 25.823110][ T298] RDX: ffffc90000b67b38 RSI: 0000000000000000 RDI: 0000000000000000 [ 25.831113][ T298] RBP: ffffc90000b679e8 R08: 0000000000000000 R09: 1ffff1102418c494 [ 25.839146][ T298] R10: dffffc0000000000 R11: ffffed102418c495 R12: 1ffff9200016cf67 [ 25.847178][ T298] R13: dffffc0000000000 R14: 0000000000004005 R15: 000000000000000f [ 25.855198][ T298] FS: 00007f65254476c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 25.864473][ T298] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.871055][ T298] CR2: 00007f8ed1b83492 CR3: 0000000121ca5000 CR4: 00000000003506a0 [ 25.879078][ T298] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.887097][ T298] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.895144][ T298] Kernel panic - not syncing: Fatal exception [ 25.901645][ T298] Kernel Offset: disabled [ 25.905983][ T298] Rebooting in 86400 seconds..