ci2-android-6-12-rust/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-12-rust/syz-executor1388569107 <...> syzkaller syzkaller login: [ 13.888175][ T36] kauditd_printk_skb: 48 callbacks suppressed [ 13.888191][ T36] audit: type=1400 audit(1793414665.139:59): avc: denied { transition } for pid=232 comm="sshd-session" path="/bin/sh" dev="sda1" ino=90 scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 13.892193][ T36] audit: type=1400 audit(1793414665.139:60): avc: denied { noatsecure } for pid=232 comm="sshd-session" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 13.895055][ T36] audit: type=1400 audit(1793414665.139:61): avc: denied { write } for pid=232 comm="sh" path="pipe:[2206]" dev="pipefs" ino=2206 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 13.898158][ T36] audit: type=1400 audit(1793414665.139:62): avc: denied { rlimitinh } for pid=232 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 13.900670][ T36] audit: type=1400 audit(1793414665.139:63): avc: denied { siginh } for pid=232 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.0.65' (ED25519) to the list of known hosts. execve("ci2-android-6-12-rust/syz-executor1388569107", ["ci2-android-6-12-rust/syz-executor1388569107"], 0x7fff8cd0eb30 /* 10 vars */) = 0 brk(NULL) = 0x55557219c000 brk(0x55557219cd40) = 0x55557219cd40 arch_prctl(ARCH_SET_FS, 0x55557219c3c0) = 0 set_tid_address(0x55557219c690) = 312 set_robust_list(0x55557219c6a0, 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-6-12-rust/syz-executor1388569107", 4096) = 50 getrandom("\x8a\xcf\x10\xd0\x28\xbd\x7b\xa0", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557219cd40 brk(0x5555721bdd40) = 0x5555721bdd40 brk(0x5555721be000) = 0x5555721be000 mprotect(0x7fd4298c6000, 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 openat(AT_FDCWD, "/dev/mapper/control", O_RDWR|O_NOATIME) = 3 ioctl(3, DM_DEV_CREATE, [{version=[4, 0, 0], data_size=312, name="syza0", flags=DM_READONLY_FLAG|DM_SECURE_DATA_FLAG|DM_IMA_MEASUREMENT_FLAG}] => [{version=[4, 48, 0], data_size=305, dev=makedev(0xfc, 0), name="syza0", target_count=0, open_count=0, event_nr=0, flags=DM_IMA_MEASUREMENT_FLAG}]) = 0 ioctl(3, DM_TABLE_LOAD, [{version=[4, 0, 0], data_size=392, data_start=312, dev=makedev(0xfc, 0), target_count=1, flags=0}, ...] => [{version=[4, 48, 0], data_size=305, data_start=312, dev=makedev(0xfc, 0), name="syza0", target_count=0, open_count=0, event_nr=0, flags=DM_INACTIVE_PRESENT_FLAG}]) = 0 [ 22.996864][ T36] audit: type=1400 audit(1793414674.249:64): avc: denied { execmem } for pid=312 comm="syz-executor138" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 23.011334][ T312] BUG: unable to handle page fault for address: fffffffffffffff1 [ 23.023205][ T36] audit: type=1400 audit(1793414674.249:65): avc: denied { read write } for pid=312 comm="syz-executor138" name="control" dev="devtmpfs" ino=198 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:lvm_control_t tclass=chr_file permissive=1 [ 23.023955][ T312] #PF: supervisor read access in kernel mode [ 23.023965][ T312] #PF: error_code(0x0000) - not-present page [ 23.023974][ T312] PGD 7cae067 P4D 7cae067 [ 23.049004][ T36] audit: type=1400 audit(1793414674.249:66): avc: denied { open } for pid=312 comm="syz-executor138" path="/dev/mapper/control" dev="devtmpfs" ino=198 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:lvm_control_t tclass=chr_file permissive=1 [ 23.053711][ T312] PUD 7cb0067 PMD 0 [ 23.059857][ T36] audit: type=1400 audit(1793414674.249:67): avc: denied { ioctl } for pid=312 comm="syz-executor138" path="/dev/mapper/control" dev="devtmpfs" ino=198 ioctlcmd=0xfd03 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:lvm_control_t tclass=chr_file permissive=1 [ 23.064062][ T312] [ 23.064078][ T312] Oops: Oops: 0000 [#1] PREEMPT SMP KASAN PTI [ 23.089024][ T36] audit: type=1400 audit(1793414674.259:68): avc: denied { read } for pid=92 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 [ 23.092237][ T312] CPU: 0 UID: 0 PID: 312 Comm: syz-executor138 Not tainted syzkaller #0 04b5f10b80d13b0533bf6aaa302b886c75cf6d37 [ 23.118213][ T36] audit: type=1400 audit(1793414674.259:69): avc: denied { search } for pid=92 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 [ 23.120286][ T312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 23.126497][ T36] audit: type=1400 audit(1793414674.259:70): avc: denied { write } for pid=92 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 [ 23.147906][ T312] RIP: 0010:snapshot_merge_next_chunks+0x270/0xcb0 [ 23.160182][ T36] audit: type=1400 audit(1793414674.259:71): avc: denied { add_name } for pid=92 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 23.181127][ T312] Code: 83 c3 38 48 89 d8 48 c1 e8 03 80 3c 08 00 74 08 48 89 df e8 62 7d df fd 4c 8b 1b 4c 89 ff 4c 89 e6 4c 89 ea 41 ba 9e 71 80 50 <45> 03 53 f1 74 02 0f 0b 2e e8 82 e3 fd 1b 89 c3 bf 01 00 00 00 89 [ 23.181143][ T312] RSP: 0018:ffffc900011ef8a0 EFLAGS: 00010246 [ 23.181158][ T312] RAX: 1ffffffff1062c8f RBX: ffffffff88316478 RCX: dffffc0000000000 [ 23.181170][ T312] RDX: ffffc900011ef940 RSI: ffffc900011ef920 RDI: ffff888105790400 [ 23.181181][ T312] RBP: ffffc900011efa90 R08: ffff888104f629bf R09: 1ffff110209ec537 [ 23.191530][ T36] audit: type=1400 audit(1793414674.259:72): avc: denied { create } for pid=92 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 23.212383][ T312] R10: 000000005080719e R11: 0000000000000000 R12: ffffc900011ef920 [ 23.212397][ T312] R13: ffffc900011ef940 R14: ffff888104f629b8 R15: ffff888105790400 [ 23.212410][ T312] FS: 000055557219c3c0(0000) GS:ffff8881f6c00000(0000) knlGS:0000000000000000 [ 23.219208][ T36] audit: type=1400 audit(1793414674.259:73): avc: denied { append open } for pid=92 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 23.239300][ T312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.239319][ T312] CR2: fffffffffffffff1 CR3: 0000000106be2000 CR4: 00000000003526b0 [ 23.239334][ T312] Call Trace: [ 23.239340][ T312] [ 23.239347][ T312] ? __kasan_check_write+0x18/0x20 [ 23.382313][ T312] ? downgrade_write+0x470/0x470 [ 23.387234][ T312] ? __origin_write+0x14b0/0x14b0 [ 23.392238][ T312] ? __kasan_check_write+0x18/0x20 [ 23.397338][ T312] ? rwsem_read_trylock+0x275/0x5a0 [ 23.402528][ T312] ? down_write+0xee/0x2b0 [ 23.406927][ T312] ? __cfi_down_write+0x10/0x10 [ 23.411756][ T312] ? __wake_up+0x169/0x190 [ 23.416156][ T312] ? down_read+0x7f/0xe0 [ 23.420389][ T312] ? __cfi_down_read+0x10/0x10 [ 23.425163][ T312] snapshot_merge_resume+0x256/0x2b0 [ 23.430433][ T312] ? __cfi_snapshot_merge_resume+0x10/0x10 [ 23.436216][ T312] dm_table_resume_targets+0x23c/0x380 [ 23.441657][ T312] __dm_resume+0x25/0x1b0 [ 23.445969][ T312] dm_resume+0x16a/0x1f0 [ 23.450190][ T312] dev_suspend+0x3ff/0x700 [ 23.454588][ T312] ? dev_suspend+0x2d0/0x700 [ 23.459179][ T312] ? __cfi_dev_suspend+0x10/0x10 [ 23.464124][ T312] dm_ctl_ioctl+0x8f3/0xde0 [ 23.468620][ T312] ? __cfi_dm_ctl_ioctl+0x10/0x10 [ 23.473637][ T312] ? ptrace_notify+0x20d/0x290 [ 23.478387][ T312] ? bpf_lsm_file_ioctl+0xd/0x20 [ 23.483398][ T312] ? security_file_ioctl+0x3e/0x110 [ 23.488589][ T312] ? __cfi_dm_ctl_ioctl+0x10/0x10 [ 23.493595][ T312] __se_sys_ioctl+0x123/0x1b0 [ 23.498247][ T312] __x64_sys_ioctl+0x7f/0xa0 [ 23.502831][ T312] x64_sys_call+0x1878/0x2ee0 [ 23.507497][ T312] do_syscall_64+0x57/0xf0 [ 23.511891][ T312] ? clear_bhb_loop+0x50/0xa0 [ 23.516542][ T312] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 23.522413][ T312] RIP: 0033:0x7fd429835ff9 [ 23.526814][ T312] 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 [ 23.546405][ T312] RSP: 002b:00007fff72021f58 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 23.554794][ T312] RAX: ffffffffffffffda RBX: 00007fff72022088 RCX: 00007fd429835ff9 [ 23.562739][ T312] RDX: 0000200000000980 RSI: 00000000c138fd06 RDI: 0000000000000003 [ 23.570681][ T312] RBP: 0000000000000001 R08: 00007fff72022088 R09: 00007fff72022088 [ 23.578715][ T312] R10: 0000000000000013 R11: 0000000000000246 R12: 00007fff72022078 [ 23.586663][ T312] R13: 0000000000000002 R14: 00007fd4298c6ca0 R15: 0000000000000002 [ 23.594613][ T312] [ 23.597611][ T312] Modules linked in: [ 23.601490][ T312] CR2: fffffffffffffff1 [ 23.605624][ T312] ---[ end trace 0000000000000000 ]--- [ 23.611059][ T312] RIP: 0010:snapshot_merge_next_chunks+0x270/0xcb0 [ 23.617546][ T312] Code: 83 c3 38 48 89 d8 48 c1 e8 03 80 3c 08 00 74 08 48 89 df e8 62 7d df fd 4c 8b 1b 4c 89 ff 4c 89 e6 4c 89 ea 41 ba 9e 71 80 50 <45> 03 53 f1 74 02 0f 0b 2e e8 82 e3 fd 1b 89 c3 bf 01 00 00 00 89 [ 23.637143][ T312] RSP: 0018:ffffc900011ef8a0 EFLAGS: 00010246 [ 23.643187][ T312] RAX: 1ffffffff1062c8f RBX: ffffffff88316478 RCX: dffffc0000000000 [ 23.651136][ T312] RDX: ffffc900011ef940 RSI: ffffc900011ef920 RDI: ffff888105790400 [ 23.659087][ T312] RBP: ffffc900011efa90 R08: ffff888104f629bf R09: 1ffff110209ec537 [ 23.667034][ T312] R10: 000000005080719e R11: 0000000000000000 R12: ffffc900011ef920 [ 23.674984][ T312] R13: ffffc900011ef940 R14: ffff888104f629b8 R15: ffff888105790400 [ 23.682931][ T312] FS: 000055557219c3c0(0000) GS:ffff8881f6c00000(0000) knlGS:0000000000000000 [ 23.691834][ T312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.698407][ T312] CR2: fffffffffffffff1 CR3: 0000000106be2000 CR4: 00000000003526b0 [ 23.706376][ T312] Kernel panic - not syncing: Fatal exception [ 23.712687][ T312] Kernel Offset: disabled [ 23.716993][ T312] Rebooting in 86400 seconds..