ci2-android-6-1/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-1/syz-executor144168939 <...> Warning: Permanently added '10.128.0.151' (ED25519) to the list of known hosts. execve("ci2-android-6-1/syz-executor144168939", ["ci2-android-6-1/syz-executor144168939"], 0x7ffde32d28e0 /* 10 vars */) = 0 brk(NULL) = 0x55558e2e8000 brk(0x55558e2e8d40) = 0x55558e2e8d40 arch_prctl(ARCH_SET_FS, 0x55558e2e83c0) = 0 set_tid_address(0x55558e2e8690) = 304 set_robust_list(0x55558e2e86a0, 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-6-1/syz-executor144168939", 4096) = 43 getrandom("\x93\xb5\xf5\x38\xe8\xa5\x57\x49", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558e2e8d40 brk(0x55558e309d40) = 0x55558e309d40 brk(0x55558e30a000) = 0x55558e30a000 mprotect(0x7feaaf72b000, 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 executing program mkdirat(AT_FDCWD, "./debug", 0777) = 0 mount(NULL, "./debug", "debugfs", 0, NULL) = 0 openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [ 25.840183][ T28] audit: type=1400 audit(1791158597.931:64): avc: denied { execmem } for pid=304 comm="syz-executor144" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 25.844930][ T304] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 25.860308][ T28] audit: type=1400 audit(1791158597.931:65): avc: denied { mounton } for pid=304 comm="syz-executor144" path="/root/debug" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 25.871328][ T304] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 25.871344][ T304] CPU: 1 PID: 304 Comm: syz-executor144 Not tainted syzkaller #0 [ 25.871364][ T304] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 [ 25.871375][ T304] RIP: 0010:vsscanf+0x196/0x24b0 [ 25.895110][ T28] audit: type=1400 audit(1791158597.931:66): avc: denied { mount } for pid=304 comm="syz-executor144" name="/" dev="debugfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:debugfs_t tclass=filesystem permissive=1 [ 25.902433][ T304] Code: 48 c7 c6 70 13 8e 87 e8 48 26 7e fc 41 83 fe 25 74 4d 45 85 f6 0f 84 b6 21 00 00 48 ff c3 48 89 5c 24 78 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 4f 1b 00 00 41 0f b6 1f 45 0f b6 f6 44 [ 25.902452][ T304] RSP: 0018:ffffc90000e475e0 EFLAGS: 00010246 [ 25.902471][ T304] RAX: 0000000000000000 RBX: ffffffff85b0dd81 RCX: 0000000000000001 [ 25.913866][ T28] audit: type=1400 audit(1791158598.011:67): avc: denied { read } for pid=84 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 [ 25.920281][ T304] RDX: ffffffff84f34d48 RSI: ffffffff878e1370 RDI: 0000000000000030 [ 25.920297][ T304] RBP: ffffc90000e47710 R08: ffff88810ff68000 R09: 0000000000000002 [ 25.920312][ T304] R10: 0000000000000025 R11: 0000000000000000 R12: ffffffff85b0dd80 [ 25.920324][ T304] R13: dffffc0000000000 R14: 0000000000000030 R15: 0000000000000000 [ 25.926247][ T28] audit: type=1400 audit(1791158598.011:68): avc: denied { search } for pid=84 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 [ 25.947676][ T304] FS: 000055558e2e83c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 25.947698][ T304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.947713][ T304] CR2: 0000200000000040 CR3: 000000010d3c6000 CR4: 00000000003506a0 [ 25.968070][ T28] audit: type=1400 audit(1791158598.011:69): avc: denied { write } for pid=84 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 [ 25.973395][ T304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.981979][ T28] audit: type=1400 audit(1791158598.011:70): avc: denied { add_name } for pid=84 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 26.002996][ T304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.003013][ T304] Call Trace: [ 26.003018][ T304] [ 26.003026][ T304] ? __update_load_avg_cfs_rq+0xb1/0x2e0 [ 26.011918][ T28] audit: type=1400 audit(1791158598.011:71): avc: denied { create } for pid=84 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 26.019016][ T304] ? __cfi_vsscanf+0x10/0x10 [ 26.027466][ T28] audit: type=1400 audit(1791158598.011:72): avc: denied { append open } for pid=84 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 26.034994][ T304] sscanf+0xdf/0x130 [ 26.056916][ T28] audit: type=1400 audit(1791158598.011:73): avc: denied { getattr } for pid=84 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 26.065232][ T304] ? __cfi_sscanf+0x10/0x10 [ 26.227424][ T304] ? mutex_lock_interruptible+0x93/0x1b0 [ 26.233080][ T304] ? memcpy+0x56/0x70 [ 26.237088][ T304] split_huge_pages_write+0x37a/0x10d0 [ 26.242587][ T304] ? psi_task_change+0x1c1/0x340 [ 26.247560][ T304] ? __cfi_split_huge_pages_write+0x10/0x10 [ 26.253490][ T304] ? kvm_sched_clock_read+0x18/0x40 [ 26.258721][ T304] ? __this_cpu_preempt_check+0x13/0x20 [ 26.264316][ T304] ? xfd_validate_state+0x70/0x150 [ 26.269456][ T304] ? __kasan_check_write+0x14/0x20 [ 26.274589][ T304] ? debugfs_file_get+0x362/0x450 [ 26.279633][ T304] ? avc_policy_seqno+0x1b/0x70 [ 26.284504][ T304] ? selinux_file_permission+0x2a5/0x510 [ 26.290157][ T304] full_proxy_write+0x121/0x1d0 [ 26.295038][ T304] ? __cfi_full_proxy_write+0x10/0x10 [ 26.300426][ T304] vfs_write+0x3fb/0xd00 [ 26.304687][ T304] ? __cfi_vfs_write+0x10/0x10 [ 26.309471][ T304] ? memset+0x35/0x40 [ 26.313480][ T304] ? ptrace_stop+0x6dc/0x8e0 [ 26.318088][ T304] ? __kasan_check_read+0x11/0x20 [ 26.323149][ T304] ? __fdget_pos+0x2d4/0x380 [ 26.327781][ T304] ksys_write+0x14a/0x260 [ 26.332123][ T304] ? __cfi_ksys_write+0x10/0x10 [ 26.336984][ T304] ? fpregs_restore_userregs+0x128/0x260 [ 26.342630][ T304] __x64_sys_write+0x7b/0x90 [ 26.347232][ T304] x64_sys_call+0x27b/0x9a0 [ 26.351813][ T304] do_syscall_64+0x4c/0xa0 [ 26.356249][ T304] ? clear_bhb_loop+0x30/0x80 [ 26.360943][ T304] ? clear_bhb_loop+0x30/0x80 [ 26.365661][ T304] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 26.371589][ T304] RIP: 0033:0x7feaaf69ac39 [ 26.376026][ T304] 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 d8 ff ff ff f7 d8 64 89 01 48 [ 26.395656][ T304] RSP: 002b:00007ffd1edb0778 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 26.404106][ T304] RAX: ffffffffffffffda RBX: 0067756265642f2e RCX: 00007feaaf69ac39 [ 26.412096][ T304] RDX: 0000000000000017 RSI: 00002000000002c0 RDI: 0000000000000003 [ 26.420084][ T304] RBP: 0000000000000001 R08: 0000000000000000 R09: 00007ffd1edb08a8 [ 26.428091][ T304] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffd1edb0898 [ 26.436079][ T304] R13: 0000000000000002 R14: 00007feaaf72bca0 R15: 0000000000000002 [ 26.444072][ T304] [ 26.447135][ T304] Modules linked in: [ 26.451342][ T304] ---[ end trace 0000000000000000 ]--- [ 26.456890][ T304] RIP: 0010:vsscanf+0x196/0x24b0 [ 26.461857][ T304] Code: 48 c7 c6 70 13 8e 87 e8 48 26 7e fc 41 83 fe 25 74 4d 45 85 f6 0f 84 b6 21 00 00 48 ff c3 48 89 5c 24 78 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 4f 1b 00 00 41 0f b6 1f 45 0f b6 f6 44 [ 26.482342][ T304] RSP: 0018:ffffc90000e475e0 EFLAGS: 00010246 [ 26.488503][ T304] RAX: 0000000000000000 RBX: ffffffff85b0dd81 RCX: 0000000000000001 [ 26.496495][ T304] RDX: ffffffff84f34d48 RSI: ffffffff878e1370 RDI: 0000000000000030 [ 26.504508][ T304] RBP: ffffc90000e47710 R08: ffff88810ff68000 R09: 0000000000000002 [ 26.512543][ T304] R10: 0000000000000025 R11: 0000000000000000 R12: ffffffff85b0dd80 [ 26.520569][ T304] R13: dffffc0000000000 R14: 0000000000000030 R15: 0000000000000000 [ 26.528596][ T304] FS: 000055558e2e83c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 26.537581][ T304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.544186][ T304] CR2: 000055b12580b000 CR3: 000000010d3c6000 CR4: 00000000003506b0 [ 26.552201][ T304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.560204][ T304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.568223][ T304] Kernel panic - not syncing: Fatal exception [ 26.574440][ T304] Kernel Offset: disabled [ 26.578769][ T304] Rebooting in 86400 seconds..