ci2-android-5-15/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-5-15/syz-executor1210631392 <...> Warning: Permanently added '10.128.1.147' (ED25519) to the list of known hosts. execve("ci2-android-5-15/syz-executor1210631392", ["ci2-android-5-15/syz-executor1210631392"], 0x7ffe7532dd10 /* 10 vars */) = 0 brk(NULL) = 0x555583321000 brk(0x555583321d40) = 0x555583321d40 arch_prctl(ARCH_SET_FS, 0x5555833213c0) = 0 set_tid_address(0x555583321690) = 303 set_robust_list(0x5555833216a0, 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-5-15/syz-executor1210631392", 4096) = 45 getrandom("\x8b\xb2\x23\x64\x20\x08\x7c\x9c", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555583321d40 brk(0x555583342d40) = 0x555583342d40 brk(0x555583343000) = 0x555583343000 mprotect(0x7f2663fbf000, 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 mkdir("./bus", 000) = 0 openat(AT_FDCWD, "./file1", O_RDWR|O_CREAT|O_NOCTTY|O_SYNC|O_NOATIME|FASYNC, 0440) = 3 mkdirat(AT_FDCWD, "./file0", 0720) = 0 mount(NULL, "./file0", "overlay", MS_NOEXEC, "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 [ 23.376670][ T30] audit: type=1400 audit(1789168110.357:64): avc: denied { execmem } for pid=303 comm="syz-executor121" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 23.392668][ T303] general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN [ 23.396639][ T30] audit: type=1400 audit(1789168110.357:65): avc: denied { mounton } for pid=303 comm="syz-executor121" path="/root/file0" dev="sda1" ino=2027 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 23.408258][ T303] KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037] [ 23.408278][ T303] CPU: 0 PID: 303 Comm: syz-executor121 Not tainted syzkaller #0 [ 23.408294][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 23.408302][ T303] RIP: 0010:security_inode_getattr+0x47/0x130 [ 23.408339][ T303] Code: 45 ff 4c 8d 73 08 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 67 ae 84 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 4a ae 84 ff 4d 8b 36 49 83 c6 0c [ 23.432778][ T30] audit: type=1400 audit(1789168110.357:66): avc: denied { unlink } for pid=303 comm="syz-executor121" name="#1" dev="sda1" ino=2030 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=chr_file permissive=1 [ 23.439343][ T303] RSP: 0018:ffffc90000997680 EFLAGS: 00010206 [ 23.447205][ T30] audit: type=1400 audit(1789168110.357:67): avc: denied { mount } for pid=303 comm="syz-executor121" name="/" dev="overlay" ino=2027 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 23.457062][ T303] [ 23.457067][ T303] RAX: 0000000000000006 RBX: ffffc900009977a0 RCX: ffff88810b083b40 [ 23.457079][ T303] RDX: 0000000000000000 RSI: ffffc90000997890 RDI: ffffc900009977a0 [ 23.457089][ T303] RBP: ffffc900009976a8 R08: ffffc900009977af R09: ffffc900009977a0 [ 23.463427][ T30] audit: type=1400 audit(1789168110.357:68): avc: denied { mount } for pid=303 comm="syz-executor121" name="/" dev="incremental-fs" ino=2027 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 23.482713][ T303] R10: dffffc0000000000 R11: fffff52000132ef6 R12: ffffc900009977a0 [ 23.482726][ T303] R13: dffffc0000000000 R14: 0000000000000030 R15: ffffc90000997a60 [ 23.482737][ T303] FS: 00005555833213c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 23.482751][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.482761][ T303] CR2: 0000000000464430 CR3: 000000011cef1000 CR4: 00000000003506b0 [ 23.505268][ T30] audit: type=1400 audit(1789168110.357:69): avc: denied { write } for pid=303 comm="syz-executor121" name="/" dev="incremental-fs" ino=2027 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 23.510992][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.533452][ T30] audit: type=1400 audit(1789168110.357:70): avc: denied { add_name } for pid=303 comm="syz-executor121" name="file1" dev="incremental-fs" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 23.535494][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.543648][ T30] audit: type=1400 audit(1789168110.357:71): avc: denied { link } for pid=303 comm="syz-executor121" name="file1" dev="incremental-fs" ino=2026 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 [ 23.551397][ T303] Call Trace: [ 23.551404][ T303] [ 23.559604][ T30] audit: type=1400 audit(1789168110.417:72): avc: denied { read } for pid=83 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 [ 23.582752][ T303] vfs_getattr+0x29/0x310 [ 23.582775][ T303] ? ovl_path_lowerdata+0x15b/0x1b0 [ 23.582792][ T303] ovl_getattr+0x445/0xfc0 [ 23.590961][ T30] audit: type=1400 audit(1789168110.417:73): avc: denied { search } for pid=83 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 [ 23.598692][ T303] ? ovl_setattr+0x440/0x440 [ 23.598716][ T303] ? avc_has_perm+0x163/0x250 [ 23.779205][ T303] ? avc_has_perm_noaudit+0x490/0x490 [ 23.784572][ T303] ? memcpy+0x56/0x70 [ 23.788533][ T303] ? memcpy+0x56/0x70 [ 23.792499][ T303] ? ovl_setattr+0x440/0x440 [ 23.797070][ T303] vfs_getattr+0x279/0x310 [ 23.801469][ T303] incfs_getattr+0x29e/0x3a0 [ 23.806038][ T303] ? debug_smp_processor_id+0x17/0x20 [ 23.811394][ T303] ? incfs_setattr+0x3e0/0x3e0 [ 23.816136][ T303] ? incfs_setattr+0x3e0/0x3e0 [ 23.820879][ T303] ? vfs_statx+0x377/0xa20 [ 23.825275][ T303] ? incfs_setattr+0x3e0/0x3e0 [ 23.830021][ T303] vfs_statx+0x390/0xa20 [ 23.834243][ T303] ? vfs_fstatat+0x40/0x40 [ 23.838637][ T303] ? __schedule+0xbd7/0x14a0 [ 23.843211][ T303] __se_sys_newlstat+0x102/0x3c0 [ 23.848126][ T303] ? __kasan_check_write+0x14/0x20 [ 23.853233][ T303] ? __x64_sys_newlstat+0x70/0x70 [ 23.858238][ T303] ? _raw_spin_unlock_irq+0x4e/0x70 [ 23.863418][ T303] ? cgroup_leave_frozen+0x165/0x2a0 [ 23.868681][ T303] ? ptrace_stop+0x6d8/0xa70 [ 23.873259][ T303] ? __kasan_check_write+0x14/0x20 [ 23.878349][ T303] ? switch_fpu_return+0x15d/0x2c0 [ 23.883439][ T303] __x64_sys_newlstat+0x5b/0x70 [ 23.888272][ T303] x64_sys_call+0x290/0x9a0 [ 23.892774][ T303] do_syscall_64+0x4c/0xa0 [ 23.897170][ T303] ? clear_bhb_loop+0x50/0xa0 [ 23.901828][ T303] ? clear_bhb_loop+0x50/0xa0 [ 23.906496][ T303] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 23.912368][ T303] RIP: 0033:0x7f2663f2ed79 [ 23.916762][ T303] 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 [ 23.936347][ T303] RSP: 002b:00007fffecbb8018 EFLAGS: 00000246 ORIG_RAX: 0000000000000006 [ 23.944741][ T303] RAX: ffffffffffffffda RBX: 2f30656c69662f2e RCX: 00007f2663f2ed79 [ 23.952694][ T303] RDX: 00007f2663f2ed79 RSI: 0000000000000000 RDI: 00002000000006c0 [ 23.960645][ T303] RBP: 0032656c69662f30 R08: 0000000000000000 R09: 0000000000000000 [ 23.968594][ T303] R10: 0000000000001000 R11: 0000000000000246 R12: 0030656c69662f2e [ 23.976547][ T303] R13: 0000200000000000 R14: 00007f2663fbfca0 R15: 0000000000000002 [ 23.984506][ T303] [ 23.987678][ T303] Modules linked in: [ 23.992110][ T303] ---[ end trace b99af4d58c484a99 ]--- [ 23.997595][ T303] RIP: 0010:security_inode_getattr+0x47/0x130 [ 24.003696][ T303] Code: 45 ff 4c 8d 73 08 4c 89 f0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 f7 e8 67 ae 84 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 4a ae 84 ff 4d 8b 36 49 83 c6 0c [ 24.023338][ T303] RSP: 0018:ffffc90000997680 EFLAGS: 00010206 [ 24.029404][ T303] RAX: 0000000000000006 RBX: ffffc900009977a0 RCX: ffff88810b083b40 [ 24.037393][ T303] RDX: 0000000000000000 RSI: ffffc90000997890 RDI: ffffc900009977a0 [ 24.045553][ T303] RBP: ffffc900009976a8 R08: ffffc900009977af R09: ffffc900009977a0 [ 24.053546][ T303] R10: dffffc0000000000 R11: fffff52000132ef6 R12: ffffc900009977a0 [ 24.061519][ T303] R13: dffffc0000000000 R14: 0000000000000030 R15: ffffc90000997a60 [ 24.069515][ T303] FS: 00005555833213c0(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 24.078452][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.085031][ T303] CR2: 0000000000464430 CR3: 000000011cef1000 CR4: 00000000003506b0 [ 24.093016][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.100968][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.108977][ T303] Kernel panic - not syncing: Fatal exception [ 24.115229][ T303] Kernel Offset: disabled [ 24.119538][ T303] Rebooting in 86400 seconds..