[....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[....] Starting file context maintaining daemon: restorecond[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[ 83.596997][ T26] audit: type=1800 audit(1579476952.880:39): pid=10138 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
[ 83.619123][ T26] audit: type=1800 audit(1579476952.890:40): pid=10138 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
[ 84.781502][ T26] audit: type=1400 audit(1579476954.070:41): avc: denied { map } for pid=10314 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
Debian GNU/Linux 7 syzkaller ttyS0
Warning: Permanently added '10.128.0.234' (ECDSA) to the list of known hosts.
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syzkaller login: [ 91.591740][ T26] audit: type=1400 audit(1579476960.880:42): avc: denied { map } for pid=10326 comm="syz-executor572" path="/root/syz-executor572643557" 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
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[ 91.619987][ T26] audit: type=1400 audit(1579476960.880:43): avc: denied { create } for pid=10327 comm="syz-executor572" 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
[ 91.646759][ T26] audit: type=1400 audit(1579476960.880:44): avc: denied { write } for pid=10327 comm="syz-executor572" 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
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[ 92.678852][ C0] ==================================================================
[ 92.687790][ C0] BUG: KASAN: slab-out-of-bounds in bitmap_port_gc+0x112/0x4f0
[ 92.695328][ C0] Read of size 8 at addr ffff8880a8a09900 by task swapper/0/0
[ 92.703044][ C0]
[ 92.705370][ C0] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.5.0-rc6-syzkaller #0
[ 92.713253][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 92.723454][ C0] Call Trace:
[ 92.726948][ C0]
[ 92.729803][ C0] dump_stack+0x197/0x210
[ 92.734126][ C0] ? bitmap_port_gc+0x112/0x4f0
[ 92.738971][ C0] print_address_description.constprop.0.cold+0xd4/0x30b
[ 92.746088][ C0] ? bitmap_port_gc+0x112/0x4f0
[ 92.750934][ C0] ? bitmap_port_gc+0x112/0x4f0
[ 92.755784][ C0] __kasan_report.cold+0x1b/0x41
[ 92.760777][ C0] ? bitmap_port_gc+0x112/0x4f0
[ 92.765624][ C0] kasan_report+0x12/0x20
[ 92.769988][ C0] check_memory_region+0x134/0x1a0
[ 92.775095][ C0] __kasan_check_read+0x11/0x20
[ 92.779945][ C0] bitmap_port_gc+0x112/0x4f0
[ 92.784632][ C0] call_timer_fn+0x1ac/0x780
[ 92.789394][ C0] ? bitmap_port_test+0x170/0x170
[ 92.794420][ C0] ? msleep_interruptible+0x150/0x150
[ 92.799808][ C0] ? run_timer_softirq+0x6b1/0x1790
[ 92.805006][ C0] ? trace_hardirqs_on+0x67/0x240
[ 92.810018][ C0] ? bitmap_port_test+0x170/0x170
[ 92.815040][ C0] ? bitmap_port_test+0x170/0x170
[ 92.820054][ C0] run_timer_softirq+0x6c3/0x1790
[ 92.825078][ C0] ? add_timer+0x930/0x930
[ 92.829839][ C0] ? rcu_lockdep_current_cpu_online+0xe3/0x130
[ 92.836053][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 92.841609][ C0] ? rcu_read_lock_any_held.part.0+0x50/0x50
[ 92.847694][ C0] ? trace_hardirqs_on+0x67/0x240
[ 92.852829][ C0] __do_softirq+0x262/0x98c
[ 92.857325][ C0] ? sched_clock_cpu+0x1b/0x1b0
[ 92.862177][ C0] irq_exit+0x19b/0x1e0
[ 92.866478][ C0] smp_apic_timer_interrupt+0x1a3/0x610
[ 92.872098][ C0] apic_timer_interrupt+0xf/0x20
[ 92.877138][ C0]
[ 92.880073][ C0] RIP: 0010:native_safe_halt+0xe/0x10
[ 92.885680][ C0] Code: 48 92 de f9 eb 8a cc cc cc cc cc cc e9 07 00 00 00 0f 00 2d 54 54 54 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d 44 54 54 00 fb f4 cc 55 48 89 e5 41 57 41 56 41 55 41 54 53 e8 4e 60 8e f9 e8 b9
[ 92.905382][ C0] RSP: 0018:ffffffff89807ce8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 92.913869][ C0] RAX: 1ffffffff1326676 RBX: ffffffff8987a140 RCX: 0000000000000000
[ 92.922141][ C0] RDX: dffffc0000000000 RSI: 0000000000000006 RDI: ffffffff8987a9d4
[ 92.931242][ C0] RBP: ffffffff89807d18 R08: ffffffff8987a140 R09: 0000000000000000
[ 92.939212][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000
[ 92.947187][ C0] R13: ffffffff8a7b4cc0 R14: 0000000000000000 R15: 0000000000000000
[ 92.955306][ C0] ? default_idle+0x4e/0x360
[ 92.959894][ C0] arch_cpu_idle+0xa/0x10
[ 92.964219][ C0] default_idle_call+0x84/0xb0
[ 92.969106][ C0] do_idle+0x3c8/0x6e0
[ 92.973183][ C0] ? arch_cpu_idle_exit+0x80/0x80
[ 92.978472][ C0] ? trace_hardirqs_on+0x67/0x240
[ 92.983586][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 92.990070][ C0] ? debug_smp_processor_id+0x33/0x18a
[ 92.995526][ C0] cpu_startup_entry+0x1b/0x20
[ 93.000546][ C0] rest_init+0x23b/0x371
[ 93.004782][ C0] arch_call_rest_init+0xe/0x1b
[ 93.009867][ C0] start_kernel+0x904/0x943
[ 93.014697][ C0] ? mem_encrypt_init+0xb/0xb
[ 93.019377][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 93.025629][ C0] ? x86_family+0x41/0x50
[ 93.030074][ C0] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[ 93.036311][ C0] x86_64_start_reservations+0x29/0x2b
[ 93.041760][ C0] x86_64_start_kernel+0x77/0x7b
[ 93.046688][ C0] secondary_startup_64+0xa4/0xb0
[ 93.051704][ C0]
[ 93.054116][ C0] Allocated by task 10327:
[ 93.058878][ C0] save_stack+0x23/0x90
[ 93.063157][ C0] __kasan_kmalloc.constprop.0+0xcf/0xe0
[ 93.068788][ C0] kasan_kmalloc+0x9/0x10
[ 93.073163][ C0] __kmalloc+0x163/0x770
[ 93.077432][ C0] ip_set_alloc+0x38/0x5e
[ 93.081758][ C0] bitmap_port_create+0x3dc/0x7c0
[ 93.086891][ C0] ip_set_create+0x6f1/0x1500
[ 93.091555][ C0] nfnetlink_rcv_msg+0xcf2/0xfb0
[ 93.096482][ C0] netlink_rcv_skb+0x177/0x450
[ 93.101496][ C0] nfnetlink_rcv+0x1ba/0x460
[ 93.106174][ C0] netlink_unicast+0x58c/0x7d0
[ 93.111050][ C0] netlink_sendmsg+0x91c/0xea0
[ 93.115819][ C0] sock_sendmsg+0xd7/0x130
[ 93.120220][ C0] ____sys_sendmsg+0x753/0x880
[ 93.125009][ C0] ___sys_sendmsg+0x100/0x170
[ 93.129670][ C0] __sys_sendmsg+0x105/0x1d0
[ 93.134261][ C0] __x64_sys_sendmsg+0x78/0xb0
[ 93.139021][ C0] do_syscall_64+0xfa/0x790
[ 93.143527][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 93.149418][ C0]
[ 93.151741][ C0] Freed by task 10098:
[ 93.155798][ C0] save_stack+0x23/0x90
[ 93.160047][ C0] __kasan_slab_free+0x102/0x150
[ 93.164990][ C0] kasan_slab_free+0xe/0x10
[ 93.169485][ C0] kfree+0x10a/0x2c0
[ 93.173379][ C0] tomoyo_supervisor+0xc2c/0xef0
[ 93.178351][ C0] tomoyo_env_perm+0x18e/0x210
[ 93.183441][ C0] tomoyo_find_next_domain+0x1354/0x1f6c
[ 93.189147][ C0] tomoyo_bprm_check_security+0x124/0x1a0
[ 93.194988][ C0] security_bprm_check+0x63/0xb0
[ 93.200009][ C0] search_binary_handler+0x71/0x570
[ 93.205206][ C0] __do_execve_file.isra.0+0x1329/0x22b0
[ 93.210833][ C0] __x64_sys_execve+0x8f/0xc0
[ 93.215608][ C0] do_syscall_64+0xfa/0x790
[ 93.220157][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 93.226043][ C0]
[ 93.228371][ C0] The buggy address belongs to the object at ffff8880a8a09900
[ 93.228371][ C0] which belongs to the cache kmalloc-32 of size 32
[ 93.242251][ C0] The buggy address is located 0 bytes inside of
[ 93.242251][ C0] 32-byte region [ffff8880a8a09900, ffff8880a8a09920)
[ 93.255248][ C0] The buggy address belongs to the page:
[ 93.260875][ C0] page:ffffea0002a28240 refcount:1 mapcount:0 mapping:ffff8880aa4001c0 index:0xffff8880a8a09fc1
[ 93.271279][ C0] raw: 00fffe0000000200 ffffea00028a5a08 ffffea0002935788 ffff8880aa4001c0
[ 93.279950][ C0] raw: ffff8880a8a09fc1 ffff8880a8a09000 0000000100000035 0000000000000000
[ 93.288675][ C0] page dumped because: kasan: bad access detected
[ 93.295169][ C0]
[ 93.297513][ C0] Memory state around the buggy address:
[ 93.303265][ C0] ffff8880a8a09800: 00 00 01 fc fc fc fc fc fb fb fb fb fc fc fc fc
[ 93.311319][ C0] ffff8880a8a09880: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc
[ 93.319554][ C0] >ffff8880a8a09900: 04 fc fc fc fc fc fc fc fb fb fb fb fc fc fc fc
[ 93.327609][ C0] ^
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[ 93.331677][ C0] ffff8880a8a09980: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc
[ 93.339929][ C0] ffff8880a8a09a00: 00 00 01 fc fc fc fc fc fb fb fb fb fc fc fc fc
[ 93.347994][ C0] ==================================================================
[ 93.356169][ C0] Disabling lock debugging due to kernel taint
[ 93.362364][ C0] Kernel panic - not syncing: panic_on_warn set ...
[ 93.368962][ C0] CPU: 0 PID: 0 Comm: swapper/0 Tainted: G B 5.5.0-rc6-syzkaller #0
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[ 93.378241][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 93.388423][ C0] Call Trace:
[ 93.391858][ C0]
[ 93.394820][ C0] dump_stack+0x197/0x210
[ 93.399280][ C0] panic+0x2e3/0x75c
[ 93.403184][ C0] ? add_taint.cold+0x16/0x16
[ 93.408027][ C0] ? retint_kernel+0x2b/0x2b
[ 93.412759][ C0] ? trace_hardirqs_on+0x5e/0x240
[ 93.417989][ C0] ? bitmap_port_gc+0x112/0x4f0
[ 93.422876][ C0] end_report+0x47/0x4f
[ 93.427118][ C0] ? bitmap_port_gc+0x112/0x4f0
[ 93.432128][ C0] __kasan_report.cold+0xe/0x41
[ 93.436994][ C0] ? bitmap_port_gc+0x112/0x4f0
[ 93.441863][ C0] kasan_report+0x12/0x20
[ 93.446380][ C0] check_memory_region+0x134/0x1a0
[ 93.451654][ C0] __kasan_check_read+0x11/0x20
[ 93.456531][ C0] bitmap_port_gc+0x112/0x4f0
[ 93.461255][ C0] call_timer_fn+0x1ac/0x780
[ 93.465846][ C0] ? bitmap_port_test+0x170/0x170
[ 93.470998][ C0] ? msleep_interruptible+0x150/0x150
[ 93.476390][ C0] ? run_timer_softirq+0x6b1/0x1790
[ 93.481619][ C0] ? trace_hardirqs_on+0x67/0x240
[ 93.486661][ C0] ? bitmap_port_test+0x170/0x170
[ 93.491815][ C0] ? bitmap_port_test+0x170/0x170
[ 93.496856][ C0] run_timer_softirq+0x6c3/0x1790
[ 93.502031][ C0] ? add_timer+0x930/0x930
[ 93.506693][ C0] ? rcu_lockdep_current_cpu_online+0xe3/0x130
[ 93.513012][ C0] ? rcu_read_lock_sched_held+0x9c/0xd0
[ 93.518589][ C0] ? rcu_read_lock_any_held.part.0+0x50/0x50
[ 93.524585][ C0] ? trace_hardirqs_on+0x67/0x240
[ 93.529627][ C0] __do_softirq+0x262/0x98c
[ 93.534140][ C0] ? sched_clock_cpu+0x1b/0x1b0
[ 93.539006][ C0] irq_exit+0x19b/0x1e0
[ 93.543180][ C0] smp_apic_timer_interrupt+0x1a3/0x610
[ 93.548746][ C0] apic_timer_interrupt+0xf/0x20
[ 93.553830][ C0]
[ 93.556779][ C0] RIP: 0010:native_safe_halt+0xe/0x10
[ 93.562152][ C0] Code: 48 92 de f9 eb 8a cc cc cc cc cc cc e9 07 00 00 00 0f 00 2d 54 54 54 00 f4 c3 66 90 e9 07 00 00 00 0f 00 2d 44 54 54 00 fb f4 cc 55 48 89 e5 41 57 41 56 41 55 41 54 53 e8 4e 60 8e f9 e8 b9
[ 93.581976][ C0] RSP: 0018:ffffffff89807ce8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 93.590588][ C0] RAX: 1ffffffff1326676 RBX: ffffffff8987a140 RCX: 0000000000000000
[ 93.598589][ C0] RDX: dffffc0000000000 RSI: 0000000000000006 RDI: ffffffff8987a9d4
[ 93.606678][ C0] RBP: ffffffff89807d18 R08: ffffffff8987a140 R09: 0000000000000000
[ 93.614652][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000
[ 93.622622][ C0] R13: ffffffff8a7b4cc0 R14: 0000000000000000 R15: 0000000000000000
[ 93.630773][ C0] ? default_idle+0x4e/0x360
[ 93.635379][ C0] arch_cpu_idle+0xa/0x10
[ 93.639722][ C0] default_idle_call+0x84/0xb0
[ 93.644512][ C0] do_idle+0x3c8/0x6e0
[ 93.648766][ C0] ? arch_cpu_idle_exit+0x80/0x80
[ 93.653805][ C0] ? trace_hardirqs_on+0x67/0x240
[ 93.658965][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 93.665211][ C0] ? debug_smp_processor_id+0x33/0x18a
[ 93.670769][ C0] cpu_startup_entry+0x1b/0x20
[ 93.675534][ C0] rest_init+0x23b/0x371
[ 93.679811][ C0] arch_call_rest_init+0xe/0x1b
[ 93.684845][ C0] start_kernel+0x904/0x943
[ 93.689475][ C0] ? mem_encrypt_init+0xb/0xb
[ 93.694154][ C0] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[ 93.700403][ C0] ? x86_family+0x41/0x50
[ 93.704742][ C0] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[ 93.711112][ C0] x86_64_start_reservations+0x29/0x2b
[ 93.716585][ C0] x86_64_start_kernel+0x77/0x7b
[ 93.721642][ C0] secondary_startup_64+0xa4/0xb0
[ 93.728631][ C0] Kernel Offset: disabled
[ 93.733309][ C0] Rebooting in 86400 seconds..