ci2-android-6-12-rust/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-12-rust/syz-executor2743202728 <...> syzkaller syzkaller login: [ 14.324961][ T36] kauditd_printk_skb: 48 callbacks suppressed [ 14.324976][ T36] audit: type=1400 audit(1793413189.740:59): 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 [ 14.328805][ T36] audit: type=1400 audit(1793413189.740:60): 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 [ 14.331649][ T36] audit: type=1400 audit(1793413189.740:61): avc: denied { write } for pid=232 comm="sh" path="pipe:[978]" dev="pipefs" ino=978 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 14.334618][ T36] audit: type=1400 audit(1793413189.740:62): 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 [ 14.337174][ T36] audit: type=1400 audit(1793413189.740:63): 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 '10.128.0.64' (ED25519) to the list of known hosts. execve("ci2-android-6-12-rust/syz-executor2743202728", ["ci2-android-6-12-rust/syz-executor2743202728"], 0x7fffa64054a0 /* 10 vars */) = 0 brk(NULL) = 0x55557ba9d000 brk(0x55557ba9dd40) = 0x55557ba9dd40 arch_prctl(ARCH_SET_FS, 0x55557ba9d3c0) = 0 set_tid_address(0x55557ba9d690) = 312 set_robust_list(0x55557ba9d6a0, 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-executor2743202728", 4096) = 50 getrandom("\xc2\x1f\xf7\x17\xe9\xc5\x2c\xcf", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55557ba9dd40 brk(0x55557babed40) = 0x55557babed40 brk(0x55557babf000) = 0x55557babf000 mprotect(0x7f6350d15000, 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 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 [ 22.595693][ T36] audit: type=1400 audit(1793413198.010:64): avc: denied { execmem } for pid=312 comm="syz-executor274" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 22.605347][ T312] BUG: unable to handle page fault for address: fffffffffffffff1 [ 22.622789][ T312] #PF: supervisor read access in kernel mode [ 22.626844][ T36] audit: type=1400 audit(1793413198.010:65): avc: denied { read write } for pid=312 comm="syz-executor274" 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 [ 22.628771][ T312] #PF: error_code(0x0000) - not-present page [ 22.652664][ T36] audit: type=1400 audit(1793413198.010:66): avc: denied { open } for pid=312 comm="syz-executor274" 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 [ 22.658489][ T312] PGD 7cae067 P4D 7cae067 PUD 7cb0067 PMD 0 [ 22.682795][ T36] audit: type=1400 audit(1793413198.010:67): avc: denied { ioctl } for pid=312 comm="syz-executor274" 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 [ 22.688754][ T312] Oops: Oops: 0000 [#1] PREEMPT SMP KASAN PTI [ 22.720603][ T312] CPU: 0 UID: 0 PID: 312 Comm: syz-executor274 Not tainted syzkaller #0 04b5f10b80d13b0533bf6aaa302b886c75cf6d37 [ 22.732490][ T312] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 [ 22.742535][ T312] RIP: 0010:snapshot_merge_next_chunks+0x270/0xcb0 [ 22.749040][ 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 1a c9 e2 fe <45> 03 53 f1 74 02 0f 0b 2e e8 82 e3 fd 1b 89 c3 bf 01 00 00 00 89 [ 22.768629][ T312] RSP: 0018:ffffc9000125f8a0 EFLAGS: 00010246 [ 22.774681][ T312] RAX: 1ffffffff1062c8f RBX: ffffffff88316478 RCX: dffffc0000000000 [ 22.782649][ T312] RDX: ffffc9000125f940 RSI: ffffc9000125f920 RDI: ffff888106b1e600 [ 22.790594][ T312] RBP: ffffc9000125fa90 R08: ffff888104f999bf R09: 1ffff110209f3337 [ 22.798554][ T312] R10: 00000000fee2c91a R11: 0000000000000000 R12: ffffc9000125f920 [ 22.806504][ T312] R13: ffffc9000125f940 R14: ffff888104f999b8 R15: ffff888106b1e600 [ 22.814455][ T312] FS: 000055557ba9d3c0(0000) GS:ffff8881f6c00000(0000) knlGS:0000000000000000 [ 22.823358][ T312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.829914][ T312] CR2: fffffffffffffff1 CR3: 00000001242ce000 CR4: 00000000003526b0 [ 22.837874][ T312] Call Trace: [ 22.841144][ T312] [ 22.844054][ T312] ? __kasan_check_write+0x18/0x20 [ 22.849148][ T312] ? downgrade_write+0x470/0x470 [ 22.854157][ T312] ? __origin_write+0x14b0/0x14b0 [ 22.859189][ T312] ? __kasan_check_write+0x18/0x20 [ 22.864300][ T312] ? rwsem_read_trylock+0x275/0x5a0 [ 22.869545][ T312] ? down_write+0xee/0x2b0 [ 22.873980][ T312] ? __cfi_down_write+0x10/0x10 [ 22.878827][ T312] ? __wake_up+0x169/0x190 [ 22.883229][ T312] ? down_read+0x7f/0xe0 [ 22.887470][ T312] ? __cfi_down_read+0x10/0x10 [ 22.892215][ T312] snapshot_merge_resume+0x256/0x2b0 [ 22.897481][ T312] ? __cfi_snapshot_merge_resume+0x10/0x10 [ 22.903268][ T312] dm_table_resume_targets+0x23c/0x380 [ 22.908708][ T312] __dm_resume+0x25/0x1b0 [ 22.913014][ T312] dm_resume+0x16a/0x1f0 [ 22.917237][ T312] dev_suspend+0x3ff/0x700 [ 22.921647][ T312] ? dev_suspend+0x2d0/0x700 [ 22.926231][ T312] ? __cfi_dev_suspend+0x10/0x10 [ 22.931150][ T312] dm_ctl_ioctl+0x8f3/0xde0 [ 22.935638][ T312] ? __cfi_dm_ctl_ioctl+0x10/0x10 [ 22.940642][ T312] ? ptrace_notify+0x20d/0x290 [ 22.945384][ T312] ? bpf_lsm_file_ioctl+0xd/0x20 [ 22.950307][ T312] ? security_file_ioctl+0x3e/0x110 [ 22.955484][ T312] ? __cfi_dm_ctl_ioctl+0x10/0x10 [ 22.960485][ T312] __se_sys_ioctl+0x123/0x1b0 [ 22.965138][ T312] __x64_sys_ioctl+0x7f/0xa0 [ 22.969716][ T312] x64_sys_call+0x1878/0x2ee0 [ 22.974367][ T312] do_syscall_64+0x57/0xf0 [ 22.978775][ T312] ? clear_bhb_loop+0x50/0xa0 [ 22.983445][ T312] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 22.989328][ T312] RIP: 0033:0x7f6350c84ff9 [ 22.993728][ 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 [ 23.013307][ T312] RSP: 002b:00007fff85220b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 23.021821][ T312] RAX: ffffffffffffffda RBX: 00007fff85220c38 RCX: 00007f6350c84ff9 [ 23.030601][ T312] RDX: 0000200000000980 RSI: 00000000c138fd06 RDI: 0000000000000003 [ 23.038561][ T312] RBP: 0000000000000001 R08: 00007fff85220c38 R09: 00007fff85220c38 [ 23.046692][ T312] R10: 0000000000000013 R11: 0000000000000246 R12: 00007fff85220c28 [ 23.054840][ T312] R13: 0000000000000002 R14: 00007f6350d15ca0 R15: 0000000000000002 [ 23.062810][ T312] [ 23.065810][ T312] Modules linked in: [ 23.069797][ T312] CR2: fffffffffffffff1 [ 23.074033][ T312] ---[ end trace 0000000000000000 ]--- [ 23.079498][ T312] RIP: 0010:snapshot_merge_next_chunks+0x270/0xcb0 [ 23.086065][ 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 1a c9 e2 fe <45> 03 53 f1 74 02 0f 0b 2e e8 82 e3 fd 1b 89 c3 bf 01 00 00 00 89 [ 23.106707][ T312] RSP: 0018:ffffc9000125f8a0 EFLAGS: 00010246 [ 23.113112][ T312] RAX: 1ffffffff1062c8f RBX: ffffffff88316478 RCX: dffffc0000000000 [ 23.121166][ T312] RDX: ffffc9000125f940 RSI: ffffc9000125f920 RDI: ffff888106b1e600 [ 23.129467][ T312] RBP: ffffc9000125fa90 R08: ffff888104f999bf R09: 1ffff110209f3337 [ 23.137429][ T312] R10: 00000000fee2c91a R11: 0000000000000000 R12: ffffc9000125f920 [ 23.145589][ T312] R13: ffffc9000125f940 R14: ffff888104f999b8 R15: ffff888106b1e600 [ 23.153846][ T312] FS: 000055557ba9d3c0(0000) GS:ffff8881f6c00000(0000) knlGS:0000000000000000 [ 23.162963][ T312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 23.170137][ T312] CR2: fffffffffffffff1 CR3: 00000001242ce000 CR4: 00000000003526b0 [ 23.178094][ T312] Kernel panic - not syncing: Fatal exception [ 23.184456][ T312] Kernel Offset: disabled [ 23.188764][ T312] Rebooting in 86400 seconds..