ci2-android-6-1/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-1/syz-executor2870351046 <...> Warning: Permanently added '10.128.0.51' (ED25519) to the list of known hosts. execve("ci2-android-6-1/syz-executor2870351046", ["ci2-android-6-1/syz-executor2870351046"], 0x7ffd6fd263f0 /* 10 vars */) = 0 brk(NULL) = 0x55557eb27000 brk(0x55557eb27d40) = 0x55557eb27d40 arch_prctl(ARCH_SET_FS, 0x55557eb273c0) = 0 set_tid_address(0x55557eb27690) = 304 set_robust_list(0x55557eb276a0, 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-executor2870351046", 4096) = 44 getrandom("\x90\x77\x42\xd5\x0f\x4d\x54\xad", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557eb27d40 brk(0x55557eb48d40) = 0x55557eb48d40 brk(0x55557eb49000) = 0x55557eb49000 mprotect(0x7f6e938cb000, 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 futex(0x7f6e938d1b6c, FUTEX_WAKE_PRIVATE, 1000000) = 0 rt_sigaction(SIGRT_1, {sa_handler=0x7f6e93833750, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7f6e93826040}, NULL, 8) = 0 rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6e937e2000 mprotect(0x7f6e937e3000, 131072, PROT_READ|PROT_WRITE) = 0 rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6e93802990, parent_tid=0x7f6e93802990, exit_signal=0, stack=0x7f6e937e2000, stack_size=0x20300, tls=0x7f6e938026c0} => {parent_tid=[305]}, 88) = 305 rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 futex(0x7f6e938d1b68, FUTEX_WAKE_PRIVATE, 1000000) = 0 futex(0x7f6e938d1b6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-1/strace-static-x86_64: Process 305 attached [pid 305] set_robust_list(0x7f6e938029a0, 24) = 0 [pid 305] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 305] mkdir("./file0", 000) = 0 [pid 305] futex(0x7f6e938d1b6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... futex resumed>) = 0 [pid 305] <... futex resumed>) = 1 [pid 304] futex(0x7f6e938d1b68, FUTEX_WAKE_PRIVATE, 1000000 [pid 305] openat(AT_FDCWD, "/dev/fuse", O_RDWR [pid 304] <... futex resumed>) = 0 [pid 304] futex(0x7f6e938d1b6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... openat resumed>) = 3 [pid 305] futex(0x7f6e938d1b6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... futex resumed>) = 0 [pid 304] futex(0x7f6e938d1b68, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] futex(0x7f6e938d1b6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... futex resumed>) = 1 [pid 305] mount(NULL, "./file0", "fuse", 0, "fd=0x0000000000000003,rootmode=00000000000000000040000,user_id=00000000000000000000,group_id=0000000"...) = 0 [pid 305] futex(0x7f6e938d1b6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... futex resumed>) = 0 [pid 304] futex(0x7f6e938d1b68, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] futex(0x7f6e938d1b6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... futex resumed>) = 1 [pid 305] read(3, "\x68\x00\x00\x00\x1a\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x26\x00\x00\x00\x00\x00\x02\x00\xfb\xff\xff\x73\x09\x00\x00\x80\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8224) = 104 [pid 305] futex(0x7f6e938d1b6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... futex resumed>) = 0 [pid 304] futex(0x7f6e938d1b68, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] futex(0x7f6e938d1b6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... futex resumed>) = 1 [pid 305] write(3, "\x20\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x00\x00\x00\x07\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x80\x1c\x00\x00", 32) = 32 [pid 305] futex(0x7f6e938d1b6c, FUTEX_WAKE_PRIVATE, 1000000 [pid 304] <... futex resumed>) = 0 [pid 304] futex(0x7f6e938d1b68, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] futex(0x7f6e938d1b6c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 305] <... futex resumed>) = 1 [ 27.812346][ T28] audit: type=1400 audit(1786208832.827:64): avc: denied { execmem } for pid=304 comm="syz-executor287" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 27.832547][ T28] audit: type=1400 audit(1786208832.847:65): avc: denied { read write } for pid=304 comm="syz-executor287" name="fuse" dev="devtmpfs" ino=93 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1 [pid 305] mount("./file0", "./file0", "incremental-fs", MS_NOSUID|MS_DIRSYNC, NULL [pid 304] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 304] futex(0x7f6e938d1b7c, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7f6e937c1000 [pid 304] mprotect(0x7f6e937c2000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 304] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 304] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7f6e937e1990, parent_tid=0x7f6e937e1990, exit_signal=0, stack=0x7f6e937c1000, stack_size=0x20300, tls=0x7f6e937e16c0} => {parent_tid=[307]}, 88) = 307 [pid 304] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 304] futex(0x7f6e938d1b78, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 304] futex(0x7f6e938d1b7c, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}ci2-android-6-1/strace-static-x86_64: Process 307 attached [pid 307] set_robust_list(0x7f6e937e19a0, 24) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] read(3, "\x2f\x00\x00\x00\x01\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x31\x01\x00\x00\x00\x00\x00\x00\x2e\x69\x6e\x64\x65\x78\x00", 8192) = 47 [ 27.856253][ T28] audit: type=1400 audit(1786208832.847:66): avc: denied { open } for pid=304 comm="syz-executor287" path="/dev/fuse" dev="devtmpfs" ino=93 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fuse_device_t tclass=chr_file permissive=1 [ 27.879803][ T28] audit: type=1400 audit(1786208832.857:67): avc: denied { mounton } for pid=304 comm="syz-executor287" path="/root/file0" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 27.902681][ T28] audit: type=1400 audit(1786208832.857:68): avc: denied { mount } for pid=304 comm="syz-executor287" name="/" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 27.914389][ T305] general protection fault, probably for non-canonical address 0xdffffc0000000007: 0000 [#1] PREEMPT SMP KASAN [ 27.925325][ T28] audit: type=1400 audit(1786208832.867:69): avc: denied { mounton } for pid=304 comm="syz-executor287" path="/root/file0" dev="fuse" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 27.936488][ T305] KASAN: null-ptr-deref in range [0x0000000000000038-0x000000000000003f] [ 27.936504][ T305] CPU: 0 PID: 305 Comm: syz-executor287 Not tainted syzkaller #0 [ 27.936525][ T305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 27.962602][ T28] audit: type=1400 audit(1786208832.927:70): 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 [ 27.967415][ T305] RIP: 0010:open_or_create_special_dir+0x85/0x1f0 [ 27.975531][ T28] audit: type=1400 audit(1786208832.927:71): 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 [ 27.985246][ T305] Code: 1b e8 0f 15 5a ff e9 21 01 00 00 e8 05 15 5a ff 48 c7 c3 ea ff ff ff e9 10 01 00 00 4c 89 f0 4c 8d 73 30 4d 89 f7 49 c1 ef 03 <41> 80 3c 07 00 74 08 4c 89 f7 e8 8c 9f 9f ff 49 83 3e 00 74 2c e8 [pid 307] write(3, "\x90\x00\x00\x00\x00\x00\x00\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x03\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x09\x00\x00\x00\x01\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x08\x00\x00\x00\x00\x00\x00\x00\xff\xff\x00\x00\x00\x00\x00\x00\x4f\x00\x00\x00\x00\x00\x00\x00\x06\x00\x00\x00"..., 144) = 144 [pid 307] futex(0x7f6e938d1b7c, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 307] futex(0x7f6e938d1b78, FUTEX_WAIT_PRIVATE, 0, NULL [pid 304] <... futex resumed>) = 0 [ 28.008058][ T28] audit: type=1400 audit(1786208832.927:72): 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 [ 28.013276][ T305] RSP: 0018:ffffc90000da7b00 EFLAGS: 00010202 [ 28.034924][ T28] audit: type=1400 audit(1786208832.927:73): 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 [ 28.054073][ T305] [ 28.054094][ T305] RAX: dffffc0000000000 RBX: 0000000000000008 RCX: ffff8881100c8000 [ 28.054116][ T305] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 00000000ffffffff [ 28.054128][ T305] RBP: ffffc90000da7b30 R08: ffff8881181c6f67 R09: 1ffff11023038dec [ 28.127880][ T305] R10: dffffc0000000000 R11: ffffed1023038ded R12: ffff8881181c6ec0 [ 28.135857][ T305] R13: ffffc90000da7b7f R14: 0000000000000038 R15: 0000000000000007 [ 28.143832][ T305] FS: 00007f6e938026c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 28.152764][ T305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.159350][ T305] CR2: 0000200000007480 CR3: 0000000110657000 CR4: 00000000003506b0 [ 28.167337][ T305] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.175318][ T305] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.183313][ T305] Call Trace: [ 28.186593][ T305] [ 28.189541][ T305] incfs_mount_fs+0x42f/0x890 [ 28.194257][ T305] ? __cfi_incfs_mount_fs+0x10/0x10 [ 28.199502][ T305] ? vfs_parse_fs_string+0x10b/0x170 [ 28.204830][ T305] ? cap_capable+0x1a6/0x230 [ 28.209427][ T305] ? __cfi_vfs_parse_fs_string+0x10/0x10 [ 28.215080][ T305] legacy_get_tree+0xfe/0x1a0 [ 28.219784][ T305] ? __cfi_incfs_mount_fs+0x10/0x10 [ 28.225004][ T305] vfs_get_tree+0x9a/0x270 [ 28.229430][ T305] do_new_mount+0x251/0xb40 [ 28.233952][ T305] ? security_capable+0x99/0xc0 [ 28.238813][ T305] path_mount+0x640/0xfd0 [ 28.243167][ T305] __se_sys_mount+0x320/0x390 [ 28.247874][ T305] ? __x64_sys_mount+0xd0/0xd0 [ 28.252647][ T305] ? fpregs_restore_userregs+0x128/0x260 [ 28.258296][ T305] __x64_sys_mount+0xbf/0xd0 [ 28.262899][ T305] x64_sys_call+0x65d/0x9a0 [ 28.267415][ T305] do_syscall_64+0x4c/0xa0 [ 28.271868][ T305] ? clear_bhb_loop+0x30/0x80 [ 28.276552][ T305] ? clear_bhb_loop+0x30/0x80 [ 28.281242][ T305] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 28.287155][ T305] RIP: 0033:0x7f6e93820eb9 [ 28.291592][ 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 d0 ff ff ff f7 d8 64 89 01 48 [ 28.311204][ T305] RSP: 002b:00007f6e93802218 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 28.319628][ T305] RAX: ffffffffffffffda RBX: 00007f6e938d1b68 RCX: 00007f6e93820eb9 [ 28.327614][ T305] RDX: 0000200000000200 RSI: 0000200000000140 RDI: 0000200000000000 [ 28.335599][ T305] RBP: 00007f6e938d1b60 R08: 0000000000000000 R09: 33203a6b63617473 [ 28.343587][ T305] R10: 0000000000000082 R11: 0000000000000246 R12: 00007f6e9389f41c [ 28.351566][ T305] R13: 0000200000004680 R14: 00002000000020c0 R15: 00007f6e9389b032 [ 28.359554][ T305] [pid 304] exit_group(0) = ? [pid 307] <... futex resumed>) = ? [pid 307] +++ exited with 0 +++ [ 28.362578][ T305] Modules linked in: [ 28.366860][ T305] ---[ end trace 0000000000000000 ]--- [ 28.372395][ T305] RIP: 0010:open_or_create_special_dir+0x85/0x1f0 [ 28.378928][ T305] Code: 1b e8 0f 15 5a ff e9 21 01 00 00 e8 05 15 5a ff 48 c7 c3 ea ff ff ff e9 10 01 00 00 4c 89 f0 4c 8d 73 30 4d 89 f7 49 c1 ef 03 <41> 80 3c 07 00 74 08 4c 89 f7 e8 8c 9f 9f ff 49 83 3e 00 74 2c e8 [ 28.398784][ T305] RSP: 0018:ffffc90000da7b00 EFLAGS: 00010202 [ 28.404877][ T305] RAX: dffffc0000000000 RBX: 0000000000000008 RCX: ffff8881100c8000 [ 28.412912][ T305] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 00000000ffffffff [ 28.420919][ T305] RBP: ffffc90000da7b30 R08: ffff8881181c6f67 R09: 1ffff11023038dec [ 28.428935][ T305] R10: dffffc0000000000 R11: ffffed1023038ded R12: ffff8881181c6ec0 [ 28.436959][ T305] R13: ffffc90000da7b7f R14: 0000000000000038 R15: 0000000000000007 [ 28.444955][ T305] FS: 00007f6e938026c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 28.453930][ T305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 28.460565][ T305] CR2: 0000200000007480 CR3: 0000000110657000 CR4: 00000000003506b0 [ 28.468578][ T305] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 28.476584][ T305] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 28.484556][ T305] Kernel panic - not syncing: Fatal exception [ 28.491204][ T305] Kernel Offset: disabled [ 28.495527][ T305] Rebooting in 86400 seconds..