ci2-android-6-12-rust/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-12-rust/syz-executor1498598646 <...> Warning: Permanently added '10.128.1.5' (ED25519) to the list of known hosts. execve("ci2-android-6-12-rust/syz-executor1498598646", ["ci2-android-6-12-rust/syz-executor1498598646"], 0x7ffe2a3e2020 /* 10 vars */) = 0 brk(NULL) = 0x555566f84000 brk(0x555566f84d40) = 0x555566f84d40 arch_prctl(ARCH_SET_FS, 0x555566f843c0) = 0 set_tid_address(0x555566f84690) = 312 set_robust_list(0x555566f846a0, 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-executor1498598646", 4096) = 50 getrandom("\x81\xcc\xf2\x68\x9e\x41\x3e\xde", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555566f84d40 brk(0x555566fa5d40) = 0x555566fa5d40 brk(0x555566fa6000) = 0x555566fa6000 mprotect(0x7f75c5818000, 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", 0257) = 0 mount(NULL, "./debug", "debugfs", 0, NULL) = 0 openat(AT_FDCWD, "./debug/split_huge_pages", O_WRONLY) = 3 executing program [ 24.973993][ T36] audit: type=1400 audit(1788059410.070:64): avc: denied { execmem } for pid=312 comm="syz-executor149" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 24.980156][ T312] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI [ 24.995524][ T36] audit: type=1400 audit(1788059410.070:65): avc: denied { mounton } for pid=312 comm="syz-executor149" path="/root/debug" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 25.006369][ T312] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] [ 25.006405][ T312] CPU: 0 UID: 0 PID: 312 Comm: syz-executor149 Not tainted syzkaller #0 28bb5670a1b4a83370a1b0f1e6655e31af14d592 [ 25.006433][ T312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 25.006446][ T312] RIP: 0010:vsscanf+0x18c/0x24b0 [ 25.033483][ T36] audit: type=1400 audit(1788059410.070:66): avc: denied { mount } for pid=312 comm="syz-executor149" name="/" dev="debugfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:debugfs_t tclass=filesystem permissive=1 [ 25.037621][ T312] 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 [ 25.037642][ T312] RSP: 0018:ffffc900012cf5a0 EFLAGS: 00010246 [ 25.037674][ T312] RAX: 0000000000000000 RBX: ffffffff86364c21 RCX: 0000000000000001 [ 25.050449][ T36] audit: type=1400 audit(1788059410.130:67): avc: denied { read } for pid=92 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 [ 25.059627][ T312] RDX: ffffffff85a1b41e RSI: ffffffff87e3bf70 RDI: 0000000000000030 [ 25.059647][ T312] RBP: ffffc900012cf6b0 R08: ffff888108b95f00 R09: 0000000000000002 [ 25.059663][ T312] R10: 0000000000000025 R11: 0000000000000000 R12: ffffffff86364c20 [ 25.059677][ T312] R13: dffffc0000000000 R14: 0000000000000030 R15: 0000000000000000 [ 25.065514][ T36] audit: type=1400 audit(1788059410.130:68): avc: denied { search } for pid=92 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 [ 25.087015][ T312] FS: 0000555566f843c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 25.087042][ T312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.087058][ T312] CR2: 0000200000000240 CR3: 0000000104796000 CR4: 00000000003526b0 [ 25.108354][ T36] audit: type=1400 audit(1788059410.130:69): avc: denied { write } for pid=92 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 [ 25.113107][ T312] Call Trace: [ 25.121663][ T36] audit: type=1400 audit(1788059410.130:70): avc: denied { add_name } for pid=92 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 25.142787][ T312] [ 25.142803][ T312] ? __cfi_vsscanf+0x10/0x10 [ 25.142844][ T312] sscanf+0xe3/0x150 [ 25.151757][ T36] audit: type=1400 audit(1788059410.130:71): avc: denied { create } for pid=92 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 25.158797][ T312] ? __cfi_sscanf+0x10/0x10 [ 25.158834][ T312] ? mutex_lock_interruptible+0x97/0x1d0 [ 25.167294][ T36] audit: type=1400 audit(1788059410.130:72): avc: denied { append open } for pid=92 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 [ 25.174809][ T312] ? __asan_memcpy+0x5a/0x80 [ 25.196904][ T36] audit: type=1400 audit(1788059410.130:73): avc: denied { getattr } for pid=92 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 [ 25.204927][ T312] split_huge_pages_write+0x3c7/0x1220 [ 25.204963][ T312] ? __cfi_split_huge_pages_write+0x10/0x10 [ 25.367138][ T312] ? __kasan_check_write+0x18/0x20 [ 25.372278][ T312] ? resched_curr+0x119/0x440 [ 25.376994][ T312] ? __kasan_check_write+0x18/0x20 [ 25.382109][ T312] ? __switch_to+0xc6b/0x1320 [ 25.386861][ T312] ? __kasan_check_write+0x18/0x20 [ 25.391992][ T312] ? debugfs_file_get+0x3be/0x590 [ 25.397033][ T312] full_proxy_write+0x125/0x1e0 [ 25.401915][ T312] ? __cfi_full_proxy_write+0x10/0x10 [ 25.407511][ T312] vfs_write+0x3c1/0xfd0 [ 25.411782][ T312] ? __kasan_check_write+0x18/0x20 [ 25.416924][ T312] ? _raw_spin_lock_irq+0x93/0x120 [ 25.422075][ T312] ? __cfi_vfs_write+0x10/0x10 [ 25.426846][ T312] ? cgroup_update_frozen+0x160/0x980 [ 25.432304][ T312] ? __asan_memset+0x39/0x50 [ 25.436902][ T312] ? ptrace_stop+0x6d6/0x8f0 [ 25.441499][ T312] ? __kasan_check_read+0x15/0x20 [ 25.446532][ T312] ksys_write+0x145/0x260 [ 25.450867][ T312] ? __cfi_ksys_write+0x10/0x10 [ 25.455740][ T312] ? __kasan_check_write+0x18/0x20 [ 25.460856][ T312] __x64_sys_write+0x7f/0x90 [ 25.465534][ T312] x64_sys_call+0x271c/0x2ee0 [ 25.470215][ T312] do_syscall_64+0x57/0xf0 [ 25.474673][ T312] ? clear_bhb_loop+0x50/0xa0 [ 25.479530][ T312] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 25.485428][ T312] RIP: 0033:0x7f75c5787c39 [ 25.489885][ T312] 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 [ 25.509691][ T312] RSP: 002b:00007ffcb3f17748 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 25.518193][ T312] RAX: ffffffffffffffda RBX: 0067756265642f2e RCX: 00007f75c5787c39 [ 25.526306][ T312] RDX: 0000000000000005 RSI: 0000200000000600 RDI: 0000000000000003 [ 25.534297][ T312] RBP: 0000000000000001 R08: 0000000000000000 R09: 00007ffcb3f17878 [ 25.542282][ T312] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffcb3f17868 [ 25.550259][ T312] R13: 0000000000000002 R14: 00007f75c5818ca0 R15: 0000000000000002 [ 25.558264][ T312] [ 25.561287][ T312] Modules linked in: [ 25.565352][ T312] ---[ end trace 0000000000000000 ]--- [ 25.570933][ T312] RIP: 0010:vsscanf+0x18c/0x24b0 [ 25.575945][ T312] 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 [ 25.595677][ T312] RSP: 0018:ffffc900012cf5a0 EFLAGS: 00010246 [ 25.601869][ T312] RAX: 0000000000000000 RBX: ffffffff86364c21 RCX: 0000000000000001 [ 25.610065][ T312] RDX: ffffffff85a1b41e RSI: ffffffff87e3bf70 RDI: 0000000000000030 [ 25.618364][ T312] RBP: ffffc900012cf6b0 R08: ffff888108b95f00 R09: 0000000000000002 [ 25.626345][ T312] R10: 0000000000000025 R11: 0000000000000000 R12: ffffffff86364c20 [ 25.634394][ T312] R13: dffffc0000000000 R14: 0000000000000030 R15: 0000000000000000 [ 25.642427][ T312] FS: 0000555566f843c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 25.651524][ T312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 25.658177][ T312] CR2: 0000200000000240 CR3: 0000000104796000 CR4: 00000000003526b0 [ 25.666175][ T312] Kernel panic - not syncing: Fatal exception [ 25.672865][ T312] Kernel Offset: disabled [ 25.677208][ T312] Rebooting in 86400 seconds..