ci2-android-6-12-rust/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-12-rust/syz-executor438057699 <...> Warning: Permanently added '10.128.0.119' (ED25519) to the list of known hosts. execve("ci2-android-6-12-rust/syz-executor438057699", ["ci2-android-6-12-rust/syz-executor438057699"], 0x7fff79d3ef10 /* 10 vars */) = 0 brk(NULL) = 0x555593b64000 brk(0x555593b64d40) = 0x555593b64d40 arch_prctl(ARCH_SET_FS, 0x555593b643c0) = 0 set_tid_address(0x555593b64690) = 313 set_robust_list(0x555593b646a0, 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-6-12-rust/syz-executor438057699", 4096) = 49 getrandom("\x96\xbb\x5a\xce\xb1\xb3\x86\xc8", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555593b64d40 brk(0x555593b85d40) = 0x555593b85d40 brk(0x555593b86000) = 0x555593b86000 mprotect(0x7fd9d645a000, 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 mkdirat(AT_FDCWD, "./debug", 0777) = 0 executing program mount(NULL, "./debug", "debugfs", 0, NULL) = 0 openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 [ 31.484401][ T36] audit: type=1400 audit(1788004293.650:64): avc: denied { execmem } for pid=313 comm="syz-executor438" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 31.505034][ T36] audit: type=1400 audit(1788004293.680:65): avc: denied { mounton } for pid=313 comm="syz-executor438" path="/root/debug" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 31.508470][ T313] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI [ 31.528454][ T36] audit: type=1400 audit(1788004293.680:66): avc: denied { mount } for pid=313 comm="syz-executor438" name="/" dev="debugfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:debugfs_t tclass=filesystem permissive=1 [ 31.540328][ T313] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 31.540357][ T313] CPU: 0 UID: 0 PID: 313 Comm: syz-executor438 Not tainted syzkaller #0 28bb5670a1b4a83370a1b0f1e6655e31af14d592 [ 31.583026][ T313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 31.593188][ T313] RIP: 0010:vsscanf+0x18c/0x24b0 [ 31.598154][ T313] Code: 48 c7 c6 70 bf e3 87 e8 a2 c2 e5 fb 41 83 fe 25 74 4d 45 85 f6 0f 84 a4 21 00 00 48 ff c3 48 89 5c 24 58 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 8e 1b 00 00 41 0f b6 1f 45 0f b6 f6 44 [ 31.617772][ T313] RSP: 0018:ffffc9000123f5a0 EFLAGS: 00010246 [ 31.623849][ T313] RAX: 0000000000000000 RBX: ffffffff86364c21 RCX: 0000000000000001 [ 31.631813][ T313] RDX: ffffffff85a1b41e RSI: ffffffff87e3bf70 RDI: 0000000000000030 [ 31.639783][ T313] RBP: ffffc9000123f6b0 R08: ffff8881077e1300 R09: 0000000000000002 [ 31.647750][ T313] R10: 0000000000000025 R11: 0000000000000000 R12: ffffffff86364c20 [ 31.655718][ T313] R13: dffffc0000000000 R14: 0000000000000030 R15: 0000000000000000 [ 31.663702][ T313] FS: 0000555593b643c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 31.672632][ T313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 31.679208][ T313] CR2: 000055f01f625000 CR3: 0000000103b1c000 CR4: 00000000003526b0 [ 31.687279][ T313] Call Trace: [ 31.690564][ T313] [ 31.693505][ T313] ? __cfi_vsscanf+0x10/0x10 [ 31.698108][ T313] sscanf+0xe3/0x150 [ 31.702014][ T313] ? __cfi_sscanf+0x10/0x10 [ 31.706523][ T313] ? mutex_lock_interruptible+0x97/0x1d0 [ 31.712163][ T313] ? __asan_memcpy+0x5a/0x80 [ 31.716775][ T313] split_huge_pages_write+0x3c7/0x1220 [ 31.722268][ T313] ? full_proxy_open+0x6f0/0x8e0 [ 31.727213][ T313] ? __cfi_split_huge_pages_write+0x10/0x10 [ 31.733115][ T313] ? dequeue_entities+0x1d2/0x1370 [ 31.738242][ T313] ? __kasan_check_write+0x18/0x20 [ 31.743368][ T313] ? __switch_to+0xc6b/0x1320 [ 31.748091][ T313] ? __kasan_check_write+0x18/0x20 [ 31.753211][ T313] ? debugfs_file_get+0x3be/0x590 [ 31.758239][ T313] full_proxy_write+0x125/0x1e0 [ 31.763096][ T313] ? __cfi_full_proxy_write+0x10/0x10 [ 31.768470][ T313] vfs_write+0x3c1/0xfd0 [ 31.772727][ T313] ? __kasan_check_write+0x18/0x20 [ 31.777846][ T313] ? _raw_spin_lock_irq+0x93/0x120 [ 31.782966][ T313] ? __cfi_vfs_write+0x10/0x10 [ 31.787728][ T313] ? cgroup_update_frozen+0x160/0x980 [ 31.793121][ T313] ? __asan_memset+0x39/0x50 [ 31.797708][ T313] ? ptrace_stop+0x6d6/0x8f0 [ 31.802301][ T313] ? __kasan_check_read+0x15/0x20 [ 31.807327][ T313] ksys_write+0x145/0x260 [ 31.811655][ T313] ? __cfi_ksys_write+0x10/0x10 [ 31.816502][ T313] ? __kasan_check_write+0x18/0x20 [ 31.821615][ T313] __x64_sys_write+0x7f/0x90 [ 31.826208][ T313] x64_sys_call+0x271c/0x2ee0 [ 31.830889][ T313] do_syscall_64+0x57/0xf0 [ 31.835324][ T313] ? clear_bhb_loop+0x50/0xa0 [ 31.840016][ T313] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 31.845918][ T313] RIP: 0033:0x7fd9d63c9c39 [ 31.850353][ T313] 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 [ 31.869966][ T313] RSP: 002b:00007ffecbb54388 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 31.878380][ T313] RAX: ffffffffffffffda RBX: 0067756265642f2e RCX: 00007fd9d63c9c39 [ 31.886347][ T313] RDX: 0000000000000015 RSI: 0000200000000180 RDI: 0000000000000003 [ 31.894313][ T313] RBP: 0000000000000001 R08: 0000000000000000 R09: 00007ffecbb544b8 [ 31.902280][ T313] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffecbb544a8 [ 31.910257][ T313] R13: 0000000000000002 R14: 00007fd9d645aca0 R15: 0000000000000002 [ 31.918237][ T313] [ 31.921264][ T313] Modules linked in: [ 31.925297][ T313] ---[ end trace 0000000000000000 ]--- [ 31.927698][ T36] audit: type=1400 audit(1788004294.100:67): avc: denied { read } for pid=93 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 [ 31.930795][ T313] RIP: 0010:vsscanf+0x18c/0x24b0 [ 31.957370][ T313] Code: 48 c7 c6 70 bf e3 87 e8 a2 c2 e5 fb 41 83 fe 25 74 4d 45 85 f6 0f 84 a4 21 00 00 48 ff c3 48 89 5c 24 58 4c 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 8e 1b 00 00 41 0f b6 1f 45 0f b6 f6 44 [ 31.961065][ T36] audit: type=1400 audit(1788004294.130:68): avc: denied { search } for pid=93 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 [ 31.977023][ T313] RSP: 0018:ffffc9000123f5a0 EFLAGS: 00010246 [ 31.998737][ T36] audit: type=1400 audit(1788004294.130:69): avc: denied { write } for pid=93 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 [ 32.004318][ T313] RAX: 0000000000000000 RBX: ffffffff86364c21 RCX: 0000000000000001 [ 32.025447][ T36] audit: type=1400 audit(1788004294.130:70): avc: denied { add_name } for pid=93 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 32.033863][ T313] RDX: ffffffff85a1b41e RSI: ffffffff87e3bf70 RDI: 0000000000000030 [ 32.054102][ T36] audit: type=1400 audit(1788004294.130:71): avc: denied { create } for pid=93 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 32.062135][ T313] RBP: ffffc9000123f6b0 R08: ffff8881077e1300 R09: 0000000000000002 [ 32.082387][ T36] audit: type=1400 audit(1788004294.130:72): avc: denied { append open } for pid=93 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 [ 32.090567][ T313] R10: 0000000000000025 R11: 0000000000000000 R12: ffffffff86364c20 [ 32.113191][ T36] audit: type=1400 audit(1788004294.130:73): avc: denied { getattr } for pid=93 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 [ 32.121292][ T313] R13: dffffc0000000000 R14: 0000000000000030 R15: 0000000000000000 [ 32.151365][ T313] FS: 0000555593b643c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 32.160336][ T313] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 32.166976][ T313] CR2: 000055f01f625000 CR3: 0000000103b1c000 CR4: 00000000003526b0 [ 32.175041][ T313] Kernel panic - not syncing: Fatal exception [ 32.181736][ T313] Kernel Offset: disabled [ 32.186074][ T313] Rebooting in 86400 seconds..