ci2-android-5-10/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-5-10/syz-executor1705298956 <...> Warning: Permanently added '10.128.1.123' (ED25519) to the list of known hosts. execve("ci2-android-5-10/syz-executor1705298956", ["ci2-android-5-10/syz-executor1705298956"], 0x7ffe482daec0 /* 10 vars */) = 0 brk(NULL) = 0x5555822be000 brk(0x5555822bee00) = 0x5555822bee00 arch_prctl(ARCH_SET_FS, 0x5555822be480) = 0 set_tid_address(0x5555822be750) = 297 set_robust_list(0x5555822be760, 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-5-10/syz-executor1705298956", 4096) = 45 getrandom("\x4f\x34\xfe\xa3\x76\x9b\xed\xa8", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555822bee00 brk(0x5555822dfe00) = 0x5555822dfe00 brk(0x5555822e0000) = 0x5555822e0000 mprotect(0x7f870df43000, 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 rt_sigaction(SIGRTMIN, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGRT_1, {sa_handler=SIG_IGN, sa_mask=[], sa_flags=0}, NULL, 8) = 0 rt_sigaction(SIGSEGV, {sa_handler=0x7f870dea1190, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f870dea3f60}, NULL, 8) = 0 rt_sigaction(SIGBUS, {sa_handler=0x7f870dea1190, sa_mask=[], sa_flags=SA_RESTORER|SA_NODEFER|SA_SIGINFO, sa_restorer=0x7f870dea3f60}, NULL, 8) = 0 executing program write(1, "executing program\n", 18) = 18 mkdirat(AT_FDCWD, "./file0", 000) = 0 openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT, 0777) = 3 mkdir("./bus", 0777) = 0 --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_MAPERR, si_addr=NULL} --- mount(NULL, "./file0", "overlay", MS_NOEXEC|MS_LAZYTIME, "upperdir=./file0,lowerdir=.,workdir=./bus,metacopy=on,") = 0 mount("./file0", "./file0", "incremental-fs", 0, NULL) = 0 linkat(AT_FDCWD, "./file0/file1", AT_FDCWD, "./file0/file2", AT_EMPTY_PATH) = 0 [ 23.763865][ T24] audit: type=1400 audit(1786857269.380:64): avc: denied { execmem } for pid=297 comm="syz-executor170" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 23.783317][ T24] audit: type=1400 audit(1786857269.400:65): avc: denied { mounton } for pid=297 comm="syz-executor170" path="/root/file0" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 23.786130][ T297] general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN [ 23.806643][ T24] audit: type=1400 audit(1786857269.400:66): avc: denied { unlink } for pid=297 comm="syz-executor170" name="#1" dev="sda1" ino=2030 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=chr_file permissive=1 [ 23.817918][ T297] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037] [ 23.817941][ T297] CPU: 1 PID: 297 Comm: syz-executor170 Not tainted syzkaller #0 [ 23.817946][ T297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 23.817994][ T297] RIP: 0010:security_inode_getattr+0x47/0x130 [ 23.841216][ T24] audit: type=1400 audit(1786857269.400:67): avc: denied { mount } for pid=297 comm="syz-executor170" name="/" dev="overlay" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 23.848545][ T297] Code: 4c ff 4c 8d 73 08 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 77 c1 86 ff 4d 8b 36 49 83 c6 30 4c 89 f0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 f7 e8 5a c1 86 ff 4d 8b 36 49 83 c6 0c [ 23.848551][ T297] RSP: 0018:ffffc90000b17130 EFLAGS: 00010206 [ 23.848561][ T297] RAX: 0000000000000006 RBX: ffffc90000b174b0 RCX: ffff888104d913c0 [ 23.848567][ T297] RDX: 0000000000000000 RSI: ffffc90000b174c0 RDI: ffffc90000b174b0 [ 23.848581][ T297] RBP: ffffc90000b17158 R08: ffffc90000b174bf R09: ffffc90000b174b0 [ 23.856734][ T24] audit: type=1400 audit(1786857269.400:68): avc: denied { mount } for pid=297 comm="syz-executor170" name="/" dev="incremental-fs" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 23.866432][ T297] R10: dffffc0000000000 R11: fffff52000162e98 R12: ffffc90000b174b0 [ 23.866444][ T297] R13: dffffc0000000000 R14: 0000000000000030 R15: ffffc90000b174c0 [ 23.866452][ T297] FS: 00005555822be480(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 23.866458][ T297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.866464][ T297] CR2: 0000200000002000 CR3: 0000000121c50000 CR4: 00000000003506a0 [ 23.866473][ T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.866478][ T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.866481][ T297] Call Trace: [ 23.866495][ T297] vfs_getattr+0x25/0x70 [ 23.866512][ T297] ovl_copy_up_flags+0x472/0x1af0 [ 23.872734][ T24] audit: type=1400 audit(1786857269.400:69): avc: denied { write } for pid=297 comm="syz-executor170" name="/" dev="incremental-fs" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 23.894754][ T297] ? ovl_maybe_copy_up+0x190/0x190 [ 23.894765][ T297] ? __kasan_check_write+0x14/0x20 [ 23.894784][ T297] ? _raw_spin_lock_irqsave+0xc2/0x130 [ 23.915081][ T24] audit: type=1400 audit(1786857269.400:70): avc: denied { add_name } for pid=297 comm="syz-executor170" name="file1" dev="incremental-fs" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 23.920496][ T297] ? _raw_spin_lock+0xf0/0xf0 [ 23.920506][ T297] ? _raw_spin_unlock_irqrestore+0x5b/0x80 [ 23.920516][ T297] ? __stack_depot_save+0x480/0x4c0 [ 23.920531][ T297] ? __kasan_slab_alloc+0xc9/0xe0 [ 23.928724][ T24] audit: type=1400 audit(1786857269.400:71): avc: denied { link } for pid=297 comm="syz-executor170" name="file1" dev="incremental-fs" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 [ 23.936865][ T297] ? __kasan_slab_alloc+0xb7/0xe0 [ 23.936875][ T297] ? slab_post_alloc_hook+0x5d/0x2f0 [ 23.936889][ T297] ? mnt_want_write+0x19d/0x270 [ 23.936899][ T297] ovl_maybe_copy_up+0x160/0x190 [ 23.936913][ T297] ovl_open+0x9d/0x1f0 [ 23.945117][ T24] audit: type=1400 audit(1786857269.410:72): avc: denied { read append } for pid=297 comm="syz-executor170" name="file2" dev="incremental-fs" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 [ 23.968379][ T297] ? ovl_mmap+0x470/0x470 [ 23.968388][ T297] do_dentry_open+0x7a5/0x10a0 [ 23.968402][ T297] dentry_open+0xbb/0x100 [ 23.976798][ T24] audit: type=1400 audit(1786857269.410:73): avc: denied { open } for pid=297 comm="syz-executor170" path="/root/file0/file2" dev="incremental-fs" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 [ 23.984310][ T297] file_open+0x2a4/0x680 [ 24.232249][ T297] ? incfs_file_mmap+0x130/0x130 [ 24.237180][ T297] ? incfs_file_mmap+0x130/0x130 [ 24.242094][ T297] do_dentry_open+0x7a5/0x10a0 [ 24.246832][ T297] vfs_open+0x73/0x80 [ 24.250791][ T297] path_openat+0x26c3/0x3040 [ 24.255358][ T297] ? __kasan_slab_alloc+0xc9/0xe0 [ 24.260354][ T297] ? getname_flags+0xba/0x510 [ 24.265020][ T297] ? getname+0x19/0x20 [ 24.269066][ T297] ? do_sys_openat2+0xde/0x750 [ 24.273804][ T297] ? do_filp_open+0x400/0x400 [ 24.278471][ T297] do_filp_open+0x1df/0x400 [ 24.282948][ T297] ? vfs_tmpfile+0x2c0/0x2c0 [ 24.287527][ T297] ? get_unused_fd_flags+0x92/0xa0 [ 24.292614][ T297] do_sys_openat2+0x19f/0x750 [ 24.297267][ T297] ? _raw_spin_unlock_irq+0x4e/0x70 [ 24.302439][ T297] ? ptrace_notify+0x1ea/0x270 [ 24.307180][ T297] ? do_sys_open+0xe0/0xe0 [ 24.311571][ T297] ? do_notify_parent+0x810/0x810 [ 24.316570][ T297] ? switch_fpu_return+0x19c/0x330 [ 24.321653][ T297] ? fpu__clear_all+0x20/0x20 [ 24.326305][ T297] __x64_sys_openat+0x136/0x160 [ 24.331133][ T297] do_syscall_64+0x31/0x40 [ 24.335533][ T297] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 24.341411][ T297] RIP: 0033:0x7f870debc579 [ 24.345802][ T297] 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 [ 24.365403][ T297] RSP: 002b:00007ffd11b534c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 24.373878][ T297] RAX: ffffffffffffffda RBX: 0032656c69662f30 RCX: 00007f870debc579 [ 24.381826][ T297] RDX: 0000000000020400 RSI: 0000200000000000 RDI: ffffffffffffff9c [ 24.389777][ T297] RBP: 00007ffd11b534d8 R08: 00007f870dea1190 R09: 00007f870dea1190 [ 24.397724][ T297] R10: 00000000000000b6 R11: 0000000000000246 R12: 0000000000000000 [ 24.405672][ T297] R13: 0000000000000002 R14: 00007f870df43ca0 R15: 0000000000000002 [ 24.413621][ T297] Modules linked in: [ 24.417741][ T297] ---[ end trace 9fd65f518236d851 ]--- [ 24.423240][ T297] RIP: 0010:security_inode_getattr+0x47/0x130 [ 24.429339][ T297] Code: 4c ff 4c 8d 73 08 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 77 c1 86 ff 4d 8b 36 49 83 c6 30 4c 89 f0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 f7 e8 5a c1 86 ff 4d 8b 36 49 83 c6 0c [ 24.449065][ T297] RSP: 0018:ffffc90000b17130 EFLAGS: 00010206 [ 24.455124][ T297] RAX: 0000000000000006 RBX: ffffc90000b174b0 RCX: ffff888104d913c0 [ 24.463202][ T297] RDX: 0000000000000000 RSI: ffffc90000b174c0 RDI: ffffc90000b174b0 [ 24.471175][ T297] RBP: ffffc90000b17158 R08: ffffc90000b174bf R09: ffffc90000b174b0 [ 24.479154][ T297] R10: dffffc0000000000 R11: fffff52000162e98 R12: ffffc90000b174b0 [ 24.487224][ T297] R13: dffffc0000000000 R14: 0000000000000030 R15: ffffc90000b174c0 [ 24.495258][ T297] FS: 00005555822be480(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 24.504190][ T297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.510780][ T297] CR2: 0000200000002000 CR3: 0000000121c50000 CR4: 00000000003506a0 [ 24.518856][ T297] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.526842][ T297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.534801][ T297] Kernel panic - not syncing: Fatal exception [ 24.541069][ T297] Kernel Offset: disabled [ 24.545374][ T297] Rebooting in 86400 seconds..