[ 84.644336][ T25] audit: type=1400 audit(1579474548.670:37): avc: denied { watch } for pid=10463 comm="restorecond" path="/root/.ssh" dev="sda1" ino=16179 scontext=system_u:system_r:kernel_t:s0 tcontext=unconfined_u:object_r:ssh_home_t:s0 tclass=dir permissive=1 [ 84.713370][ T25] audit: type=1400 audit(1579474548.680:38): avc: denied { watch } for pid=10463 comm="restorecond" path="/etc/selinux/restorecond.conf" dev="sda1" ino=2232 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 84.982626][ T25] audit: type=1800 audit(1579474549.010:39): pid=10372 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 85.004603][ T25] audit: type=1800 audit(1579474549.010:40): pid=10372 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 88.213195][ T25] audit: type=1400 audit(1579474552.240:41): avc: denied { map } for pid=10548 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.1.18' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 95.482543][ T25] audit: type=1400 audit(1579474559.510:42): avc: denied { map } for pid=10560 comm="syz-executor558" path="/root/syz-executor558201685" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 95.509992][ T25] audit: type=1400 audit(1579474559.520:43): avc: denied { create } for pid=10561 comm="syz-executor558" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 [ 95.536286][ T25] audit: type=1400 audit(1579474559.520:44): avc: denied { write } for pid=10561 comm="syz-executor558" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_netfilter_socket permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 96.563503][ C1] ================================================================== [ 96.571849][ C1] BUG: KASAN: slab-out-of-bounds in bitmap_port_gc+0x112/0x4f0 [ 96.579387][ C1] Read of size 8 at addr ffff88809e023800 by task syz-executor558/10934 [ 96.587691][ C1] [ 96.590028][ C1] CPU: 1 PID: 10934 Comm: syz-executor558 Not tainted 5.5.0-rc6-syzkaller #0 [ 96.598781][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 96.608841][ C1] Call Trace: executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 96.612124][ C1] [ 96.614989][ C1] dump_stack+0x197/0x210 [ 96.619333][ C1] ? bitmap_port_gc+0x112/0x4f0 [ 96.624195][ C1] print_address_description.constprop.0.cold+0xd4/0x30b [ 96.631220][ C1] ? bitmap_port_gc+0x112/0x4f0 [ 96.636074][ C1] ? bitmap_port_gc+0x112/0x4f0 [ 96.640937][ C1] __kasan_report.cold+0x1b/0x41 [ 96.645881][ C1] ? bitmap_port_gc+0x112/0x4f0 [ 96.650739][ C1] kasan_report+0x12/0x20 [ 96.655080][ C1] check_memory_region+0x134/0x1a0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 96.660200][ C1] __kasan_check_read+0x11/0x20 [ 96.665059][ C1] bitmap_port_gc+0x112/0x4f0 [ 96.669754][ C1] call_timer_fn+0x1ac/0x780 [ 96.674350][ C1] ? bitmap_port_test+0x170/0x170 [ 96.679385][ C1] ? msleep_interruptible+0x150/0x150 [ 96.684764][ C1] ? run_timer_softirq+0x6b1/0x1790 [ 96.689978][ C1] ? trace_hardirqs_on+0x67/0x240 [ 96.695100][ C1] ? bitmap_port_test+0x170/0x170 [ 96.700149][ C1] ? bitmap_port_test+0x170/0x170 [ 96.705187][ C1] run_timer_softirq+0x6c3/0x1790 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 96.710344][ C1] ? add_timer+0x930/0x930 [ 96.714778][ C1] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 96.720944][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 96.726499][ C1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 96.732484][ C1] ? trace_hardirqs_on+0x67/0x240 [ 96.737514][ C1] __do_softirq+0x262/0x98c [ 96.742026][ C1] ? sched_clock_cpu+0x1b/0x1b0 [ 96.746894][ C1] irq_exit+0x19b/0x1e0 [ 96.751060][ C1] smp_apic_timer_interrupt+0x1a3/0x610 [ 96.756609][ C1] apic_timer_interrupt+0xf/0x20 [ 96.761533][ C1] executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 96.764483][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x20/0x50 [ 96.770640][ C1] Code: 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 65 48 8b 04 25 c0 1e 02 00 65 8b 15 54 29 8d 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b <8b> 90 80 13 00 00 83 fa 02 75 20 48 8b 88 88 13 00 00 8b 80 84 13 [ 96.790421][ C1] RSP: 0018:ffffc90003667d80 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 96.798840][ C1] RAX: ffff888098c281c0 RBX: ffffc90003663d48 RCX: ffffffff8146faf5 [ 96.806818][ C1] RDX: 0000000000000000 RSI: ffffffff8146fad2 RDI: 0000000000000007 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 96.814798][ C1] RBP: ffffc90003667d80 R08: ffff888098c281c0 R09: ffffed101528cfa1 [ 96.822780][ C1] R10: ffffed101528cfa0 R11: ffff8880a9467d07 R12: 0000000000000000 [ 96.830757][ C1] R13: dffffc0000000000 R14: ffff888098c281c0 R15: ffffc90003660000 [ 96.838754][ C1] ? do_exit+0x1ac5/0x2f50 [ 96.843181][ C1] ? do_exit+0x1aa2/0x2f50 [ 96.847607][ C1] do_exit+0x1aa2/0x2f50 [ 96.851871][ C1] ? mm_update_next_owner+0x7c0/0x7c0 [ 96.857257][ C1] ? down_read_non_owner+0x490/0x490 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 96.862560][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 96.868853][ C1] ? handle_mm_fault+0x4ab/0xa50 [ 96.873814][ C1] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 96.879285][ C1] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 96.884762][ C1] do_group_exit+0x135/0x360 [ 96.889400][ C1] __x64_sys_exit_group+0x44/0x50 [ 96.894432][ C1] do_syscall_64+0xfa/0x790 [ 96.898951][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 96.904935][ C1] RIP: 0033:0x440008 [ 96.908843][ C1] Code: Bad RIP value. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 96.912909][ C1] RSP: 002b:00007ffdddcf8138 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 96.921327][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440008 [ 96.929304][ C1] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 96.937283][ C1] RBP: 00000000004bf890 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 96.945260][ C1] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000001 [ 96.953232][ C1] R13: 00000000006d1180 R14: 0000000000000000 R15: 0000000000000000 [ 96.961219][ C1] executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 96.963553][ C1] Allocated by task 10561: [ 96.968093][ C1] save_stack+0x23/0x90 [ 96.972257][ C1] __kasan_kmalloc.constprop.0+0xcf/0xe0 [ 96.977891][ C1] kasan_kmalloc+0x9/0x10 [ 96.982230][ C1] __kmalloc+0x163/0x770 [ 96.986479][ C1] ip_set_alloc+0x38/0x5e [ 96.990817][ C1] bitmap_port_create+0x3dc/0x7c0 [ 96.995848][ C1] ip_set_create+0x6f1/0x1500 [ 97.000533][ C1] nfnetlink_rcv_msg+0xcf2/0xfb0 [ 97.005476][ C1] netlink_rcv_skb+0x177/0x450 [ 97.010258][ C1] nfnetlink_rcv+0x1ba/0x460 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 97.014930][ C1] netlink_unicast+0x58c/0x7d0 [ 97.019699][ C1] netlink_sendmsg+0x91c/0xea0 [ 97.029512][ C1] sock_sendmsg+0xd7/0x130 [ 97.033942][ C1] ____sys_sendmsg+0x753/0x880 [ 97.038717][ C1] ___sys_sendmsg+0x100/0x170 [ 97.043399][ C1] __sys_sendmsg+0x105/0x1d0 [ 97.047993][ C1] __x64_sys_sendmsg+0x78/0xb0 [ 97.052776][ C1] do_syscall_64+0xfa/0x790 [ 97.057289][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 97.063175][ C1] executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 97.065506][ C1] Freed by task 10334: [ 97.069582][ C1] save_stack+0x23/0x90 [ 97.073744][ C1] __kasan_slab_free+0x102/0x150 [ 97.078692][ C1] kasan_slab_free+0xe/0x10 [ 97.083201][ C1] kfree+0x10a/0x2c0 [ 97.087124][ C1] tomoyo_init_log+0x15a9/0x2070 [ 97.092076][ C1] tomoyo_supervisor+0x33f/0xef0 [ 97.097024][ C1] tomoyo_env_perm+0x18e/0x210 [ 97.101805][ C1] tomoyo_find_next_domain+0x1354/0x1f6c [ 97.107450][ C1] tomoyo_bprm_check_security+0x124/0x1a0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 97.113176][ C1] security_bprm_check+0x63/0xb0 [ 97.118121][ C1] search_binary_handler+0x71/0x570 [ 97.124024][ C1] __do_execve_file.isra.0+0x1329/0x22b0 [ 97.129673][ C1] __x64_sys_execve+0x8f/0xc0 [ 97.134360][ C1] do_syscall_64+0xfa/0x790 [ 97.138872][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 97.144758][ C1] [ 97.147094][ C1] The buggy address belongs to the object at ffff88809e023800 [ 97.147094][ C1] which belongs to the cache kmalloc-32 of size 32 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 97.160982][ C1] The buggy address is located 0 bytes inside of [ 97.160982][ C1] 32-byte region [ffff88809e023800, ffff88809e023820) [ 97.174085][ C1] The buggy address belongs to the page: [ 97.179718][ C1] page:ffffea00027808c0 refcount:1 mapcount:0 mapping:ffff8880aa4001c0 index:0xffff88809e023fc1 [ 97.190224][ C1] raw: 00fffe0000000200 ffffea000276e088 ffffea0002899748 ffff8880aa4001c0 [ 97.198819][ C1] raw: ffff88809e023fc1 ffff88809e023000 0000000100000039 0000000000000000 [ 97.207428][ C1] page dumped because: kasan: bad access detected [ 97.213840][ C1] executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 97.216170][ C1] Memory state around the buggy address: [ 97.221812][ C1] ffff88809e023700: 00 01 fc fc fc fc fc fc 00 00 01 fc fc fc fc fc [ 97.229885][ C1] ffff88809e023780: 00 00 01 fc fc fc fc fc 00 00 01 fc fc fc fc fc [ 97.237979][ C1] >ffff88809e023800: 04 fc fc fc fc fc fc fc fb fb fb fb fc fc fc fc [ 97.246041][ C1] ^ [ 97.250134][ C1] ffff88809e023880: 00 00 00 00 fc fc fc fc fb fb fb fb fc fc fc fc [ 97.258209][ C1] ffff88809e023900: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 97.266272][ C1] ================================================================== [ 97.274340][ C1] Disabling lock debugging due to kernel taint [ 97.280551][ C1] Kernel panic - not syncing: panic_on_warn set ... [ 97.287239][ C1] CPU: 1 PID: 10934 Comm: syz-executor558 Tainted: G B 5.5.0-rc6-syzkaller #0 [ 97.297387][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 97.307451][ C1] Call Trace: [ 97.310752][ C1] executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 97.313616][ C1] dump_stack+0x197/0x210 [ 97.317953][ C1] panic+0x2e3/0x75c [ 97.321858][ C1] ? add_taint.cold+0x16/0x16 [ 97.326543][ C1] ? retint_kernel+0x2b/0x2b [ 97.331135][ C1] ? trace_hardirqs_on+0x5e/0x240 [ 97.336155][ C1] ? bitmap_port_gc+0x112/0x4f0 [ 97.341197][ C1] end_report+0x47/0x4f [ 97.345357][ C1] ? bitmap_port_gc+0x112/0x4f0 [ 97.350207][ C1] __kasan_report.cold+0xe/0x41 [ 97.355056][ C1] ? bitmap_port_gc+0x112/0x4f0 [ 97.359914][ C1] kasan_report+0x12/0x20 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 97.364350][ C1] check_memory_region+0x134/0x1a0 [ 97.369469][ C1] __kasan_check_read+0x11/0x20 [ 97.374324][ C1] bitmap_port_gc+0x112/0x4f0 [ 97.379013][ C1] call_timer_fn+0x1ac/0x780 [ 97.383605][ C1] ? bitmap_port_test+0x170/0x170 [ 97.388628][ C1] ? msleep_interruptible+0x150/0x150 [ 97.394008][ C1] ? run_timer_softirq+0x6b1/0x1790 [ 97.399226][ C1] ? trace_hardirqs_on+0x67/0x240 [ 97.404405][ C1] ? bitmap_port_test+0x170/0x170 [ 97.409428][ C1] ? bitmap_port_test+0x170/0x170 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 97.414557][ C1] run_timer_softirq+0x6c3/0x1790 [ 97.419595][ C1] ? add_timer+0x930/0x930 [ 97.424063][ C1] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 97.430224][ C1] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 97.435854][ C1] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 97.441861][ C1] ? trace_hardirqs_on+0x67/0x240 [ 97.446897][ C1] __do_softirq+0x262/0x98c [ 97.451410][ C1] ? sched_clock_cpu+0x1b/0x1b0 [ 97.456276][ C1] irq_exit+0x19b/0x1e0 [ 97.460448][ C1] smp_apic_timer_interrupt+0x1a3/0x610 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 97.466004][ C1] apic_timer_interrupt+0xf/0x20 [ 97.470935][ C1] [ 97.473883][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x20/0x50 [ 97.480046][ C1] Code: 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 65 48 8b 04 25 c0 1e 02 00 65 8b 15 54 29 8d 7e 81 e2 00 01 1f 00 48 8b 75 08 75 2b <8b> 90 80 13 00 00 83 fa 02 75 20 48 8b 88 88 13 00 00 8b 80 84 13 [ 97.499759][ C1] RSP: 0018:ffffc90003667d80 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 97.508214][ C1] RAX: ffff888098c281c0 RBX: ffffc90003663d48 RCX: ffffffff8146faf5 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 97.516189][ C1] RDX: 0000000000000000 RSI: ffffffff8146fad2 RDI: 0000000000000007 [ 97.524159][ C1] RBP: ffffc90003667d80 R08: ffff888098c281c0 R09: ffffed101528cfa1 [ 97.532126][ C1] R10: ffffed101528cfa0 R11: ffff8880a9467d07 R12: 0000000000000000 [ 97.540208][ C1] R13: dffffc0000000000 R14: ffff888098c281c0 R15: ffffc90003660000 [ 97.548202][ C1] ? do_exit+0x1ac5/0x2f50 [ 97.553276][ C1] ? do_exit+0x1aa2/0x2f50 [ 97.557698][ C1] do_exit+0x1aa2/0x2f50 [ 97.561961][ C1] ? mm_update_next_owner+0x7c0/0x7c0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 97.567343][ C1] ? down_read_non_owner+0x490/0x490 [ 97.572638][ C1] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 97.578889][ C1] ? handle_mm_fault+0x4ab/0xa50 [ 97.583838][ C1] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 97.589314][ C1] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 97.594786][ C1] do_group_exit+0x135/0x360 [ 97.599399][ C1] __x64_sys_exit_group+0x44/0x50 [ 97.604438][ C1] do_syscall_64+0xfa/0x790 [ 97.608949][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 97.614976][ C1] RIP: 0033:0x440008 [ 97.618882][ C1] Code: Bad RIP value. [ 97.623048][ C1] RSP: 002b:00007ffdddcf8138 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 97.631525][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000440008 [ 97.639492][ C1] RDX: 0000000000000000 RSI: 000000000000003c RDI: 0000000000000000 [ 97.647472][ C1] RBP: 00000000004bf890 R08: 00000000000000e7 R09: ffffffffffffffd0 [ 97.655448][ C1] R10: 0000000000000004 R11: 0000000000000246 R12: 0000000000000001 [ 97.663429][ C1] R13: 00000000006d1180 R14: 0000000000000000 R15: 0000000000000000 [ 97.672603][ C1] Kernel Offset: disabled [ 97.676930][ C1] Rebooting in 86400 seconds..