ci2-android-5-15/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-5-15/syz-executor454371565 <...> Warning: Permanently added '10.128.1.35' (ED25519) to the list of known hosts. execve("ci2-android-5-15/syz-executor454371565", ["ci2-android-5-15/syz-executor454371565"], 0x7ffed2bb1500 /* 10 vars */) = 0 brk(NULL) = 0x555557374000 brk(0x555557374d40) = 0x555557374d40 arch_prctl(ARCH_SET_FS, 0x5555573743c0) = 0 set_tid_address(0x555557374690) = 303 set_robust_list(0x5555573746a0, 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-executor454371565", 4096) = 44 getrandom("\xb1\x9c\x56\xd7\xed\xef\x91\x0b", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555557374d40 brk(0x555557395d40) = 0x555557395d40 brk(0x555557396000) = 0x555557396000 mprotect(0x7f18d2352000, 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 mkdirat(AT_FDCWD, "./debug", 0257) = 0 mount(NULL, "./debug", "debugfs", 0, NULL) = 0 openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [ 23.002562][ T30] audit: type=1400 audit(1788573533.539:64): avc: denied { execmem } for pid=303 comm="syz-executor454" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 23.005867][ T303] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 23.022492][ T30] audit: type=1400 audit(1788573533.539:65): avc: denied { mounton } for pid=303 comm="syz-executor454" path="/root/debug" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 23.033653][ T303] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 23.033688][ T303] CPU: 1 PID: 303 Comm: syz-executor454 Not tainted syzkaller #0 [ 23.033703][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 23.033711][ T303] RIP: 0010:vsscanf+0x196/0x24b0 [ 23.033743][ T303] Code: 48 c7 c6 20 d0 99 86 e8 58 b4 f7 fe 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 [ 23.033759][ T303] RSP: 0018:ffffc900009675e0 EFLAGS: 00010246 [ 23.033774][ T303] RAX: 0000000000000000 RBX: ffffffff854b5901 RCX: 0000000000000001 [ 23.033783][ T303] RDX: ffffffff82720be8 RSI: ffffffff8699d020 RDI: 0000000000000030 [ 23.057880][ T30] audit: type=1400 audit(1788573533.539:66): avc: denied { mount } for pid=303 comm="syz-executor454" name="/" dev="debugfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:debugfs_t tclass=filesystem permissive=1 [ 23.064817][ T303] RBP: ffffc90000967710 R08: ffff88810ad062c0 R09: 0000000000000002 [ 23.072950][ T30] audit: type=1400 audit(1788573533.539:67): avc: denied { read } for pid=83 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 [ 23.082764][ T303] R10: 0000000000000025 R11: 0000000000000000 R12: ffffffff854b5900 [ 23.082779][ T303] R13: dffffc0000000000 R14: 0000000000000030 R15: 0000000000000000 [ 23.082787][ T303] FS: 00005555573743c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 23.082799][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.082810][ T303] CR2: 0000200000000240 CR3: 000000012338d000 CR4: 00000000003506a0 [ 23.082822][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.088110][ T30] audit: type=1400 audit(1788573533.539:68): avc: denied { search } for pid=83 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 [ 23.107329][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.107347][ T303] Call Trace: [ 23.107352][ T303] [ 23.107359][ T303] ? bprintf+0x140/0x140 [ 23.113574][ T30] audit: type=1400 audit(1788573533.539:69): avc: denied { write } for pid=83 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 [ 23.121373][ T303] ? enqueue_task_fair+0xaf1/0x2130 [ 23.121397][ T303] sscanf+0xdf/0x130 [ 23.129793][ T30] audit: type=1400 audit(1788573533.539:70): avc: denied { add_name } for pid=83 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 23.151733][ T303] ? skip_atoi+0x110/0x110 [ 23.151758][ T303] ? mutex_lock_interruptible+0x9b/0x1c0 [ 23.151775][ T303] ? check_stack_object+0x10f/0x150 [ 23.151792][ T303] split_huge_pages_write+0x30d/0xfc0 [ 23.160110][ T30] audit: type=1400 audit(1788573533.539:71): avc: denied { create } for pid=83 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 23.181468][ T303] ? check_preempt_wakeup+0x7d6/0xbb0 [ 23.181501][ T303] ? deferred_split_scan+0x860/0x860 [ 23.181519][ T303] ? __update_load_avg_cfs_rq+0xb1/0x2e0 [ 23.189813][ T30] audit: type=1400 audit(1788573533.539:72): avc: denied { append open } for pid=83 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 [ 23.197452][ T303] ? update_load_avg+0x442/0x1110 [ 23.197479][ T303] ? __kasan_check_write+0x14/0x20 [ 23.206989][ T30] audit: type=1400 audit(1788573533.539:73): avc: denied { getattr } for pid=83 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 [ 23.213222][ T303] ? debugfs_file_get+0x362/0x450 [ 23.436556][ T303] ? avc_policy_seqno+0x1b/0x70 [ 23.441392][ T303] ? selinux_file_permission+0x2aa/0x510 [ 23.447002][ T303] full_proxy_write+0x10f/0x1c0 [ 23.451840][ T303] ? full_proxy_read+0x1c0/0x1c0 [ 23.456769][ T303] vfs_write+0x404/0xfd0 [ 23.461001][ T303] ? _raw_spin_lock_irq+0x95/0xf0 [ 23.466028][ T303] ? file_end_write+0x1b0/0x1b0 [ 23.470875][ T303] ? _raw_spin_unlock_irq+0x4e/0x70 [ 23.476054][ T303] ? cgroup_leave_frozen+0x165/0x2a0 [ 23.481320][ T303] ? ptrace_stop+0x6d8/0xa70 [ 23.485895][ T303] ? __kasan_check_read+0x11/0x20 [ 23.490988][ T303] ? __fdget_pos+0x2d9/0x380 [ 23.495560][ T303] ksys_write+0x14a/0x260 [ 23.499886][ T303] ? __ia32_sys_read+0x90/0x90 [ 23.504628][ T303] ? __kasan_check_write+0x14/0x20 [ 23.509732][ T303] ? switch_fpu_return+0x15d/0x2c0 [ 23.514825][ T303] __x64_sys_write+0x7b/0x90 [ 23.519399][ T303] x64_sys_call+0x8ef/0x9a0 [ 23.523885][ T303] do_syscall_64+0x4c/0xa0 [ 23.528282][ T303] ? clear_bhb_loop+0x50/0xa0 [ 23.532947][ T303] ? clear_bhb_loop+0x50/0xa0 [ 23.537606][ T303] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 23.543481][ T303] RIP: 0033:0x7f18d22c1c39 [ 23.547879][ T303] 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 [ 23.567554][ T303] RSP: 002b:00007fff640f3f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 23.575954][ T303] RAX: ffffffffffffffda RBX: 0067756265642f2e RCX: 00007f18d22c1c39 [ 23.583920][ T303] RDX: 0000000000000005 RSI: 0000200000000600 RDI: 0000000000000003 [ 23.591894][ T303] RBP: 0000000000000001 R08: 0000000000000000 R09: 00007fff640f40c8 [ 23.599858][ T303] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff640f40b8 [ 23.607812][ T303] R13: 0000000000000002 R14: 00007f18d2352ca0 R15: 0000000000000002 [ 23.615777][ T303] [ 23.618799][ T303] Modules linked in: [ 23.622893][ T303] ---[ end trace 27e5c9a9ce419f1e ]--- [ 23.628431][ T303] RIP: 0010:vsscanf+0x196/0x24b0 [ 23.633387][ T303] Code: 48 c7 c6 20 d0 99 86 e8 58 b4 f7 fe 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 [ 23.653188][ T303] RSP: 0018:ffffc900009675e0 EFLAGS: 00010246 [ 23.659346][ T303] RAX: 0000000000000000 RBX: ffffffff854b5901 RCX: 0000000000000001 [ 23.667329][ T303] RDX: ffffffff82720be8 RSI: ffffffff8699d020 RDI: 0000000000000030 [ 23.675295][ T303] RBP: ffffc90000967710 R08: ffff88810ad062c0 R09: 0000000000000002 [ 23.683287][ T303] R10: 0000000000000025 R11: 0000000000000000 R12: ffffffff854b5900 [ 23.691273][ T303] R13: dffffc0000000000 R14: 0000000000000030 R15: 0000000000000000 [ 23.699270][ T303] FS: 00005555573743c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 23.708229][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.714795][ T303] CR2: 0000200000000240 CR3: 000000012338d000 CR4: 00000000003506a0 [ 23.722884][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.730880][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.738891][ T303] Kernel panic - not syncing: Fatal exception [ 23.745061][ T303] Kernel Offset: disabled [ 23.749465][ T303] Rebooting in 86400 seconds..