ci2-android-6-1/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-1/syz-executor2813752706 <...> Warning: Permanently added '10.128.1.59' (ED25519) to the list of known hosts. execve("ci2-android-6-1/syz-executor2813752706", ["ci2-android-6-1/syz-executor2813752706"], 0x7ffc838b3c00 /* 10 vars */) = 0 brk(NULL) = 0x5555818ae000 brk(0x5555818aed40) = 0x5555818aed40 arch_prctl(ARCH_SET_FS, 0x5555818ae3c0) = 0 set_tid_address(0x5555818ae690) = 305 set_robust_list(0x5555818ae6a0, 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-executor2813752706", 4096) = 44 getrandom("\x1e\x54\x43\xcf\xa4\x42\x11\x33", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555818aed40 brk(0x5555818cfd40) = 0x5555818cfd40 brk(0x5555818d0000) = 0x5555818d0000 mprotect(0x7f3fddf4e000, 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", 0777) = 0 mount(NULL, "./debug", "debugfs", 0, NULL) = 0 openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [ 24.858505][ T28] audit: type=1400 audit(1787048509.353:64): avc: denied { execmem } for pid=305 comm="syz-executor281" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 24.872425][ T305] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN [ 24.878184][ T28] audit: type=1400 audit(1787048509.363:65): avc: denied { mounton } for pid=305 comm="syz-executor281" path="/root/debug" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 24.889678][ T305] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 24.889693][ T305] CPU: 1 PID: 305 Comm: syz-executor281 Not tainted syzkaller #0 [ 24.889713][ T305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 24.915726][ T28] audit: type=1400 audit(1787048509.363:66): avc: denied { mount } for pid=305 comm="syz-executor281" name="/" dev="debugfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:debugfs_t tclass=filesystem permissive=1 [ 24.920771][ T305] RIP: 0010:vsscanf+0x196/0x24b0 [ 24.928851][ T28] audit: type=1400 audit(1787048509.373:67): avc: denied { read } for pid=85 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 [ 24.938618][ T305] Code: 48 c7 c6 90 02 8e 87 e8 48 9e 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 [ 24.962466][ T28] audit: type=1400 audit(1787048509.373:68): avc: denied { search } for pid=85 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 [ 24.966210][ T305] RSP: 0018:ffffc90000e975e0 EFLAGS: 00010246 [ 24.988906][ T28] audit: type=1400 audit(1787048509.373:69): avc: denied { write } for pid=85 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 [ 25.007969][ T305] [ 25.007999][ T305] RAX: 0000000000000000 RBX: ffffffff85b0d901 RCX: 0000000000000001 [ 25.008017][ T305] RDX: ffffffff84f2cd48 RSI: ffffffff878e0290 RDI: 0000000000000030 [ 25.008031][ T305] RBP: ffffc90000e97710 R08: ffff8881103c0000 R09: 0000000000000002 [ 25.030496][ T28] audit: type=1400 audit(1787048509.373:70): avc: denied { add_name } for pid=85 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 25.035466][ T305] R10: 0000000000000025 R11: 0000000000000000 R12: ffffffff85b0d900 [ 25.057293][ T28] audit: type=1400 audit(1787048509.373:71): avc: denied { create } for pid=85 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 25.058892][ T305] R13: dffffc0000000000 R14: 0000000000000030 R15: 0000000000000000 [ 25.058908][ T305] FS: 00005555818ae3c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 25.058927][ T305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.067313][ T28] audit: type=1400 audit(1787048509.373:72): avc: denied { append open } for pid=85 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 [ 25.074890][ T305] CR2: 0000200000000040 CR3: 0000000122864000 CR4: 00000000003506a0 [ 25.074909][ T305] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.074922][ T305] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.084068][ T28] audit: type=1400 audit(1787048509.373:73): avc: denied { getattr } for pid=85 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 [ 25.103379][ T305] Call Trace: [ 25.103390][ T305] [ 25.103398][ T305] ? __update_load_avg_cfs_rq+0xb1/0x2e0 [ 25.238124][ T305] ? __cfi_vsscanf+0x10/0x10 [ 25.242749][ T305] sscanf+0xdf/0x130 [ 25.246666][ T305] ? __cfi_sscanf+0x10/0x10 [ 25.251205][ T305] ? mutex_lock_interruptible+0x93/0x1b0 [ 25.256883][ T305] ? memcpy+0x56/0x70 [ 25.260895][ T305] split_huge_pages_write+0x37a/0x10d0 [ 25.266392][ T305] ? psi_task_change+0x1c1/0x340 [ 25.271357][ T305] ? __cfi_split_huge_pages_write+0x10/0x10 [ 25.277281][ T305] ? kvm_sched_clock_read+0x18/0x40 [ 25.282524][ T305] ? __kasan_check_write+0x14/0x20 [ 25.287647][ T305] ? debugfs_file_get+0x362/0x450 [ 25.292695][ T305] ? avc_policy_seqno+0x1b/0x70 [ 25.297570][ T305] ? selinux_file_permission+0x2a5/0x510 [ 25.303233][ T305] full_proxy_write+0x121/0x1d0 [ 25.308099][ T305] ? __cfi_full_proxy_write+0x10/0x10 [ 25.313530][ T305] vfs_write+0x3fb/0xd00 [ 25.317786][ T305] ? __cfi_vfs_write+0x10/0x10 [ 25.322587][ T305] ? memset+0x35/0x40 [ 25.326684][ T305] ? ptrace_stop+0x6dc/0x8e0 [ 25.331291][ T305] ? __kasan_check_read+0x11/0x20 [ 25.336337][ T305] ? __fdget_pos+0x2d4/0x380 [ 25.340943][ T305] ksys_write+0x14a/0x260 [ 25.345285][ T305] ? __cfi_ksys_write+0x10/0x10 [ 25.350161][ T305] ? fpregs_restore_userregs+0x128/0x260 [ 25.355830][ T305] __x64_sys_write+0x7b/0x90 [ 25.360491][ T305] x64_sys_call+0x27b/0x9a0 [ 25.365030][ T305] do_syscall_64+0x4c/0xa0 [ 25.369477][ T305] ? clear_bhb_loop+0x30/0x80 [ 25.374262][ T305] ? clear_bhb_loop+0x30/0x80 [ 25.378974][ T305] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 25.384893][ T305] RIP: 0033:0x7f3fddebdc39 [ 25.389347][ T305] 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 [ 25.408967][ T305] RSP: 002b:00007ffcb50955c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 25.417405][ T305] RAX: ffffffffffffffda RBX: 0067756265642f2e RCX: 00007f3fddebdc39 [ 25.425405][ T305] RDX: 0000000000000015 RSI: 0000200000000180 RDI: 0000000000000003 [ 25.433395][ T305] RBP: 0000000000000001 R08: 0000000000000000 R09: 00007ffcb50956f8 [ 25.441388][ T305] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcb50956e8 [ 25.449377][ T305] R13: 0000000000000002 R14: 00007f3fddf4eca0 R15: 0000000000000002 [ 25.457539][ T305] [ 25.460577][ T305] Modules linked in: [ 25.464903][ T305] ---[ end trace 0000000000000000 ]--- [ 25.470424][ T305] RIP: 0010:vsscanf+0x196/0x24b0 [ 25.475819][ T305] Code: 48 c7 c6 90 02 8e 87 e8 48 9e 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 [ 25.496323][ T305] RSP: 0018:ffffc90000e975e0 EFLAGS: 00010246 [ 25.502554][ T305] RAX: 0000000000000000 RBX: ffffffff85b0d901 RCX: 0000000000000001 [ 25.510605][ T305] RDX: ffffffff84f2cd48 RSI: ffffffff878e0290 RDI: 0000000000000030 [ 25.518600][ T305] RBP: ffffc90000e97710 R08: ffff8881103c0000 R09: 0000000000000002 [ 25.526652][ T305] R10: 0000000000000025 R11: 0000000000000000 R12: ffffffff85b0d900 [ 25.534671][ T305] R13: dffffc0000000000 R14: 0000000000000030 R15: 0000000000000000 [ 25.542736][ T305] FS: 00005555818ae3c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 25.551734][ T305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.558324][ T305] CR2: 0000200000000040 CR3: 0000000122864000 CR4: 00000000003506a0 [ 25.566383][ T305] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 25.574439][ T305] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 25.582462][ T305] Kernel panic - not syncing: Fatal exception [ 25.588698][ T305] Kernel Offset: disabled [ 25.593051][ T305] Rebooting in 86400 seconds..