ci2-android-6-1/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-1/syz-executor4133327692 <...> Warning: Permanently added '10.128.0.77' (ED25519) to the list of known hosts. execve("ci2-android-6-1/syz-executor4133327692", ["ci2-android-6-1/syz-executor4133327692"], 0x7fff7a540f20 /* 10 vars */) = 0 brk(NULL) = 0x55557ee65000 brk(0x55557ee65d40) = 0x55557ee65d40 arch_prctl(ARCH_SET_FS, 0x55557ee653c0) = 0 set_tid_address(0x55557ee65690) = 305 set_robust_list(0x55557ee656a0, 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-executor4133327692", 4096) = 44 getrandom("\xd8\x1c\x36\xd8\xc4\xbb\x20\x98", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557ee65d40 brk(0x55557ee86d40) = 0x55557ee86d40 brk(0x55557ee87000) = 0x55557ee87000 mprotect(0x7fb403e3d000, 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 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fb3fb98f000 executing program write(3, "\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\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\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 8388608) = 8388608 munmap(0x7fb3fb98f000, 138412032) = 0 lseek(3, 0, SEEK_END) = 8388608 ftruncate(3, 25165824) = 0 [ 23.355589][ T28] audit: type=1400 audit(1794497900.138:64): avc: denied { execmem } for pid=305 comm="syz-executor413" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 close(4) = 0 mkdir("./file1", 0777) = 0 [ 23.392803][ T28] audit: type=1400 audit(1794497900.168:65): avc: denied { read write } for pid=305 comm="syz-executor413" name="loop0" dev="devtmpfs" ino=118 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 23.393670][ T305] loop0: detected capacity change from 0 to 49152 [ 23.417227][ T28] audit: type=1400 audit(1794497900.168:66): avc: denied { open } for pid=305 comm="syz-executor413" path="/dev/loop0" dev="devtmpfs" ino=118 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 23.425152][ T305] EXT4-fs: Ignoring removed i_version option [ 23.454002][ T28] audit: type=1400 audit(1794497900.168:67): avc: denied { ioctl } for pid=305 comm="syz-executor413" path="/dev/loop0" dev="devtmpfs" ino=118 ioctlcmd=0x4c00 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 23.479950][ T28] audit: type=1400 audit(1794497900.208:68): avc: denied { mounton } for pid=305 comm="syz-executor413" path="/root/file1" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 mount("/dev/loop0", "./file1", "ext4", 0, "i_version,,errors=continue") = 0 openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 chdir("./file1") = 0 openat(AT_FDCWD, "/dev/loop0", O_RDONLY) = 4 ioctl(4, LOOP_CLR_FD) = 0 close(4) = 0 [ 23.490306][ T305] EXT4-fs (loop0): Using encoding defined by superblock: utf8-12.1.0 with flags 0x0 [ 23.515812][ T305] EXT4-fs (loop0): mounted filesystem with ordered data mode. Quota mode: none. [ 23.525748][ T28] audit: type=1400 audit(1794497900.308:69): avc: denied { mount } for pid=305 comm="syz-executor413" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 23.527051][ T305] general protection fault, probably for non-canonical address 0xdffffc0000000005: 0000 [#1] PREEMPT SMP KASAN [ 23.547812][ T28] audit: type=1400 audit(1794497900.308:70): avc: denied { write } for pid=305 comm="syz-executor413" name="file1" dev="loop0" ino=17 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 [ 23.559303][ T305] KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f] [ 23.559317][ T305] CPU: 0 PID: 305 Comm: syz-executor413 Not tainted syzkaller #0 [ 23.559332][ T305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 23.559340][ T305] RIP: 0010:jbd2_journal_file_inode+0x143/0x580 [ 23.581924][ T28] audit: type=1400 audit(1794497900.308:71): avc: denied { open } for pid=305 comm="syz-executor413" name="file1" dev="loop0" ino=17 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 [ 23.589997][ T305] Code: 03 48 89 45 c0 48 8d b8 80 04 00 00 48 89 7d b8 e8 82 f6 02 03 49 8d 7e 28 48 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 05 e8 42 e5 b7 ff 4d 09 66 28 4d 8d 66 38 4d 89 e7 [ 23.590012][ T305] RSP: 0018:ffffc90000e376f8 EFLAGS: 00010206 [ 23.598834][ T28] audit: type=1400 audit(1794497900.308:72): avc: denied { read } for pid=85 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 [ 23.607741][ T305] RAX: 0000000000000005 RBX: ffff88810c0903c0 RCX: dffffc0000000000 [ 23.607754][ T305] RDX: 0000000000000001 RSI: 0000000000000004 RDI: 0000000000000028 [ 23.607762][ T305] RBP: ffffc90000e37740 R08: 0000000000000003 R09: 0000000000000004 [ 23.607772][ T305] R10: dffffc0000000000 R11: fffff520001c6ed0 R12: 0000000000000006 [ 23.607782][ T305] R13: 0000000000000000 R14: 0000000000000000 R15: 1ffff11021812078 [ 23.607791][ T305] FS: 000055557ee653c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 23.614327][ T28] audit: type=1400 audit(1794497900.308:73): avc: denied { search } for pid=85 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 [ 23.636194][ T305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.636209][ T305] CR2: 0000200000004100 CR3: 0000000122629000 CR4: 00000000003506b0 [ 23.636222][ T305] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 23.636231][ T305] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 23.784031][ T305] Call Trace: [ 23.787291][ T305] [ 23.790215][ T305] jbd2_journal_inode_ranged_write+0x34/0x40 [ 23.796176][ T305] ext4_map_blocks+0x11c5/0x1a80 [ 23.801093][ T305] ? __cfi_ext4_map_blocks+0x10/0x10 [ 23.806355][ T305] ? __kasan_kmalloc+0x95/0xb0 [ 23.811101][ T305] ? memcpy+0x56/0x70 [ 23.815071][ T305] ext4_convert_inline_data_nolock+0x40a/0x9e0 [ 23.821198][ T305] ? ext4_add_dirent_to_inline+0x440/0x440 [ 23.826984][ T305] ext4_convert_inline_data+0x470/0x5b0 [ 23.832504][ T305] ? __cfi_ext4_convert_inline_data+0x10/0x10 [ 23.838544][ T305] ? setattr_prepare+0x206/0xcc0 [ 23.843461][ T305] ext4_setattr+0xf3c/0x1c80 [ 23.848033][ T305] ? current_time+0x19b/0x2c0 [ 23.852690][ T305] ? __cfi_current_time+0x10/0x10 [ 23.857709][ T305] ? __cfi_ext4_setattr+0x10/0x10 [ 23.862711][ T305] notify_change+0xd33/0x1030 [ 23.867387][ T305] do_truncate+0x1ac/0x240 [ 23.871783][ T305] ? __cfi_do_truncate+0x10/0x10 [ 23.876703][ T305] ? _raw_spin_lock+0x94/0xf0 [ 23.881368][ T305] ? security_inode_permission+0xc5/0x110 [ 23.887069][ T305] ? break_lease+0x7b/0xd0 [ 23.891483][ T305] vfs_truncate+0x25b/0x2f0 [ 23.895996][ T305] do_sys_truncate+0xf2/0x1c0 [ 23.900683][ T305] ? __cfi_do_sys_truncate+0x10/0x10 [ 23.905953][ T305] ? do_user_addr_fault+0x9a5/0x1030 [ 23.911218][ T305] ? debug_smp_processor_id+0x17/0x20 [ 23.916574][ T305] __x64_sys_truncate+0x5b/0x70 [ 23.921408][ T305] x64_sys_call+0x679/0x9a0 [ 23.925890][ T305] do_syscall_64+0x4c/0xa0 [ 23.930283][ T305] ? clear_bhb_loop+0x30/0x80 [ 23.934934][ T305] ? clear_bhb_loop+0x30/0x80 [ 23.939588][ T305] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 23.945456][ T305] RIP: 0033:0x7fb403db22e9 [ 23.949866][ 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 d8 ff ff ff f7 d8 64 89 01 48 [ 23.969442][ T305] RSP: 002b:00007ffc8a4895a8 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 23.977828][ T305] RAX: ffffffffffffffda RBX: 0031656c69662f2e RCX: 00007fb403db22e9 [ 23.985782][ T305] RDX: 00007ffc8a489430 RSI: 0000000000009fe6 RDI: 0000200000004100 [ 23.993730][ T305] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 24.001676][ T305] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc8a4896d8 [ 24.009623][ T305] R13: 0000000000000002 R14: 00007fb403e3dc80 R15: 0000000000000002 [ 24.017569][ T305] [ 24.020573][ T305] Modules linked in: [ 24.024521][ T305] ---[ end trace 0000000000000000 ]--- [ 24.029972][ T305] RIP: 0010:jbd2_journal_file_inode+0x143/0x580 [ 24.036259][ T305] Code: 03 48 89 45 c0 48 8d b8 80 04 00 00 48 89 7d b8 e8 82 f6 02 03 49 8d 7e 28 48 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 05 e8 42 e5 b7 ff 4d 09 66 28 4d 8d 66 38 4d 89 e7 [ 24.055883][ T305] RSP: 0018:ffffc90000e376f8 EFLAGS: 00010206 [ 24.061966][ T305] RAX: 0000000000000005 RBX: ffff88810c0903c0 RCX: dffffc0000000000 [ 24.069972][ T305] RDX: 0000000000000001 RSI: 0000000000000004 RDI: 0000000000000028 [ 24.077973][ T305] RBP: ffffc90000e37740 R08: 0000000000000003 R09: 0000000000000004 [ 24.085969][ T305] R10: dffffc0000000000 R11: fffff520001c6ed0 R12: 0000000000000006 [ 24.093952][ T305] R13: 0000000000000000 R14: 0000000000000000 R15: 1ffff11021812078 [ 24.101917][ T305] FS: 000055557ee653c0(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 24.110870][ T305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.117465][ T305] CR2: 0000200000004100 CR3: 0000000122629000 CR4: 00000000003506b0 [ 24.125450][ T305] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.133429][ T305] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.141382][ T305] Kernel panic - not syncing: Fatal exception [ 24.147539][ T305] Kernel Offset: disabled [ 24.151867][ T305] Rebooting in 86400 seconds..