ci2-android-5-15/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-5-15/syz-executor884999580 <...> Warning: Permanently added '10.128.1.63' (ED25519) to the list of known hosts. execve("ci2-android-5-15/syz-executor884999580", ["ci2-android-5-15/syz-executor884999580"], 0x7ffca4ec4950 /* 10 vars */) = 0 brk(NULL) = 0x555580967000 brk(0x555580967d40) = 0x555580967d40 arch_prctl(ARCH_SET_FS, 0x5555809673c0) = 0 set_tid_address(0x555580967690) = 303 set_robust_list(0x5555809676a0, 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-executor884999580", 4096) = 44 getrandom("\xf3\x5f\x43\xe1\x5a\xcf\x80\xac", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555580967d40 brk(0x555580988d40) = 0x555580988d40 brk(0x555580989000) = 0x555580989000 mprotect(0x7f5f76d66000, 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 executing program memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7f5f6e8b8000 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(0x7f5f6e8b8000, 138412032) = 0 lseek(3, 0, SEEK_END) = 8388608 ftruncate(3, 25165824) = 0 [ 20.228193][ T30] audit: type=1400 audit(1794497318.071:64): avc: denied { execmem } for pid=303 comm="syz-executor884" 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 [ 20.271295][ T30] audit: type=1400 audit(1794497318.121:65): avc: denied { read write } for pid=303 comm="syz-executor884" name="loop0" dev="devtmpfs" ino=116 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 20.271751][ T303] loop0: detected capacity change from 0 to 49152 [ 20.295604][ T30] audit: type=1400 audit(1794497318.121:66): avc: denied { open } for pid=303 comm="syz-executor884" path="/dev/loop0" dev="devtmpfs" ino=116 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 20.326055][ T30] audit: type=1400 audit(1794497318.121:67): avc: denied { ioctl } for pid=303 comm="syz-executor884" path="/dev/loop0" dev="devtmpfs" ino=116 ioctlcmd=0x4c00 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 close(4) = 0 mkdir("./sys", 0777) = 0 [ 20.411115][ T30] audit: type=1400 audit(1794497318.261:68): avc: denied { mounton } for pid=303 comm="syz-executor884" path="/root/sys" dev="sda1" ino=2025 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 mount("/dev/loop0", "./sys", "ext4", 0, "init_itable,,errors=continue") = 0 openat(AT_FDCWD, "./sys", O_RDONLY|O_DIRECTORY) = 3 chdir("./sys") = 0 openat(AT_FDCWD, "/dev/loop0", O_RDONLY) = 4 ioctl(4, LOOP_CLR_FD) = 0 close(4) = 0 [ 20.493004][ T303] EXT4-fs (loop0): Using encoding defined by superblock: utf8-12.1.0 with flags 0x0 [ 20.514310][ T303] EXT4-fs (loop0): mounted filesystem with ordered data mode. Opts: init_itable,,errors=continue. Quota mode: journalled. [ 20.527177][ T30] audit: type=1400 audit(1794497318.381:69): avc: denied { mount } for pid=303 comm="syz-executor884" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 20.540818][ T303] general protection fault, probably for non-canonical address 0xdffffc0000000005: 0000 [#1] PREEMPT SMP KASAN [ 20.549295][ T30] audit: type=1400 audit(1794497318.381:70): avc: denied { write } for pid=303 comm="syz-executor884" name="file1" dev="loop0" ino=17 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 [ 20.560629][ T303] KASAN: null-ptr-deref in range [0x0000000000000028-0x000000000000002f] [ 20.560648][ T303] CPU: 1 PID: 303 Comm: syz-executor884 Not tainted syzkaller #0 [ 20.582938][ T30] audit: type=1400 audit(1794497318.381:71): avc: denied { open } for pid=303 comm="syz-executor884" name="file1" dev="loop0" ino=17 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 [ 20.591300][ T303] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/06/2026 [ 20.591309][ T303] RIP: 0010:jbd2_journal_file_inode+0x143/0x580 [ 20.600109][ T30] audit: type=1400 audit(1794497318.391:72): 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 [ 20.621177][ T303] Code: 03 48 89 45 c0 48 8d b8 80 04 00 00 48 89 7d b8 e8 42 de c7 02 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 32 9c bb ff 4d 09 66 28 4d 8d 66 38 4d 89 e7 [ 20.621191][ T303] RSP: 0018:ffffc90000957718 EFLAGS: 00010206 [ 20.621214][ T303] RAX: 0000000000000005 RBX: ffff8881208413c0 RCX: dffffc0000000000 [ 20.621226][ T303] RDX: 0000000000000001 RSI: 0000000000000004 RDI: 0000000000000028 [ 20.631292][ T30] audit: type=1400 audit(1794497318.391:73): 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 [ 20.637462][ T303] RBP: ffffc90000957760 R08: 0000000000000003 R09: 0000000000000004 [ 20.729602][ T303] R10: dffffc0000000000 R11: fffff5200012aed4 R12: 0000000000000006 [ 20.737552][ T303] R13: 0000000000000000 R14: 0000000000000000 R15: 1ffff11024108278 [ 20.745502][ T303] FS: 00005555809673c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 20.754410][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 20.760970][ T303] CR2: 000056074e56a428 CR3: 000000011d133000 CR4: 00000000003506a0 [ 20.768923][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 20.776872][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 20.784822][ T303] Call Trace: [ 20.788081][ T303] [ 20.790991][ T303] jbd2_journal_inode_ranged_write+0x34/0x40 [ 20.796959][ T303] ext4_map_blocks+0x1167/0x1a50 [ 20.801877][ T303] ? ext4_issue_zeroout+0x250/0x250 [ 20.807058][ T303] ? memcpy+0x56/0x70 [ 20.811022][ T303] ext4_convert_inline_data_nolock+0x435/0xcd0 [ 20.817154][ T303] ? ext4_add_dirent_to_inline+0x4d0/0x4d0 [ 20.822937][ T303] ext4_convert_inline_data+0x470/0x5b0 [ 20.828461][ T303] ? ext4_inline_data_truncate+0xc30/0xc30 [ 20.834244][ T303] ? selinux_inode_setattr+0x601/0x810 [ 20.839682][ T303] ext4_setattr+0xdc7/0x1b10 [ 20.844251][ T303] ? ext4_write_inode+0x5a0/0x5a0 [ 20.849254][ T303] notify_change+0xc30/0xf40 [ 20.853826][ T303] do_truncate+0x1ac/0x240 [ 20.858226][ T303] ? put_page_bootmem+0x190/0x190 [ 20.863231][ T303] ? _raw_spin_lock+0x94/0xf0 [ 20.867886][ T303] ? security_inode_permission+0xb0/0x100 [ 20.873585][ T303] ? break_lease+0x7b/0xd0 [ 20.877981][ T303] vfs_truncate+0x25b/0x2f0 [ 20.882462][ T303] do_sys_truncate+0xf2/0x1c0 [ 20.887120][ T303] ? break_lease+0xd0/0xd0 [ 20.891519][ T303] ? __kasan_check_write+0x14/0x20 [ 20.896608][ T303] ? switch_fpu_return+0x15d/0x2c0 [ 20.901699][ T303] __x64_sys_truncate+0x5b/0x70 [ 20.906529][ T303] x64_sys_call+0x212/0x9a0 [ 20.911010][ T303] do_syscall_64+0x4c/0xa0 [ 20.915405][ T303] ? clear_bhb_loop+0x50/0xa0 [ 20.920063][ T303] ? clear_bhb_loop+0x50/0xa0 [ 20.924721][ T303] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 20.930593][ T303] RIP: 0033:0x7f5f76cdb2e9 [ 20.934985][ 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 [ 20.954569][ T303] RSP: 002b:00007fff4b5fe3e8 EFLAGS: 00000246 ORIG_RAX: 000000000000004c [ 20.962962][ T303] RAX: ffffffffffffffda RBX: 0000200000000000 RCX: 00007f5f76cdb2e9 [ 20.970912][ T303] RDX: 00007fff4b5fe270 RSI: 0000000002fffffd RDI: 00002000000033c0 [ 20.978865][ T303] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 20.986814][ T303] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff4b5fe518 [ 20.994762][ T303] R13: 0000000000000002 R14: 00007f5f76d66c80 R15: 0000000000000002 [ 21.002711][ T303] [ 21.005707][ T303] Modules linked in: [ 21.009732][ T303] ---[ end trace d1a5ba8d6dd0d721 ]--- [ 21.015255][ T303] RIP: 0010:jbd2_journal_file_inode+0x143/0x580 [ 21.021575][ T303] Code: 03 48 89 45 c0 48 8d b8 80 04 00 00 48 89 7d b8 e8 42 de c7 02 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 32 9c bb ff 4d 09 66 28 4d 8d 66 38 4d 89 e7 [ 21.041210][ T303] RSP: 0018:ffffc90000957718 EFLAGS: 00010206 [ 21.047251][ T303] RAX: 0000000000000005 RBX: ffff8881208413c0 RCX: dffffc0000000000 [ 21.055266][ T303] RDX: 0000000000000001 RSI: 0000000000000004 RDI: 0000000000000028 [ 21.063281][ T303] RBP: ffffc90000957760 R08: 0000000000000003 R09: 0000000000000004 [ 21.071289][ T303] R10: dffffc0000000000 R11: fffff5200012aed4 R12: 0000000000000006 [ 21.079249][ T303] R13: 0000000000000000 R14: 0000000000000000 R15: 1ffff11024108278 [ 21.087261][ T303] FS: 00005555809673c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 21.096234][ T303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.102860][ T303] CR2: 000056074e56a428 CR3: 000000011d133000 CR4: 00000000003506a0 [ 21.110882][ T303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 21.118827][ T303] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 21.126845][ T303] Kernel panic - not syncing: Fatal exception [ 21.133090][ T303] Kernel Offset: disabled [ 21.137393][ T303] Rebooting in 86400 seconds..