[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
Starting mcstransd:
[....] 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.
[ 12.288261] audit: type=1400 audit(1514805015.014:6): avc: denied { map } for pid=3132 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 '10.128.0.10' (ECDSA) to the list of known hosts.
executing program
executing program
executing program
executing program
syzkaller login: [ 18.446523] audit: type=1400 audit(1514805021.172:7): avc: denied { map } for pid=3146 comm="syzkaller171155" path="/root/syzkaller171155117" dev="sda1" ino=16481 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
[ 18.473254] audit: type=1400 audit(1514805021.199:8): avc: denied { map } for pid=3146 comm="syzkaller171155" path="/dev/usbmon0" dev="devtmpfs" ino=8925 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:usbmon_device_t:s0 tclass=chr_file permissive=1
[ 18.502871] page:ffffea000723b8c0 count:0 mapcount:0 mapping: (null) index:0x0
[ 18.511136] flags: 0x2fffc0000000000()
[ 18.515053] raw: 02fffc0000000000 0000000000000000 0000000000000000 00000000ffffffff
[ 18.522976] raw: ffffea0007337be0 ffffea000723bca0 0000000000000000 0000000000000000
[ 18.530879] page dumped because: VM_BUG_ON_PAGE(page_ref_count(page) <= 0)
[ 18.537973] ------------[ cut here ]------------
[ 18.542714] kernel BUG at ./include/linux/mm.h:844!
[ 18.547736] invalid opcode: 0000 [#1] SMP KASAN
[ 18.552378] Dumping ftrace buffer:
[ 18.555887] (ftrace buffer empty)
[ 18.559566] Modules linked in:
[ 18.562737] CPU: 1 PID: 3147 Comm: syzkaller171155 Not tainted 4.15.0-rc4-mm1+ #49
[ 18.570407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 18.579734] RIP: 0010:mon_bin_vma_fault+0x2f4/0x400
[ 18.584713] RSP: 0018:ffff8801c84e7510 EFLAGS: 00010203
[ 18.590041] RAX: 0000000000000000 RBX: 1ffff1003909cea4 RCX: 0000000000000000
[ 18.597277] RDX: 0000000000000000 RSI: 1ffff1003909cdee RDI: ffffed003909ce90
[ 18.604512] RBP: ffff8801c84e75e8 R08: 1ffff1003909cdb0 R09: 0000000000000000
[ 18.611747] R10: dffffc0000000000 R11: 0000000000000000 R12: 1ffff1003909cea8
[ 18.618984] R13: dffffc0000000000 R14: ffff8801c84e7840 R15: ffffea000723b8c0
[ 18.626222] FS: 00007f5b7ce10700(0000) GS:ffff8801db300000(0000) knlGS:0000000000000000
[ 18.634416] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 18.640269] CR2: 00000000208be000 CR3: 00000001c8f59002 CR4: 00000000001606e0
[ 18.647521] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 18.654760] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 18.661997] Call Trace:
[ 18.664561] ? mon_alloc_buff+0x1a0/0x1a0
[ 18.668684] ? find_held_lock+0x35/0x1d0
[ 18.672724] __do_fault+0xeb/0x30f
[ 18.676232] ? vma_gap_callbacks_rotate+0x62/0x80
[ 18.681044] ? pte_offset_kernel+0xc7/0xc7
[ 18.685245] ? print_irqtrace_events+0x270/0x270
[ 18.689968] ? rb_insert_color_cached+0x1660/0x1660
[ 18.694950] ? vma_compute_subtree_gap+0x200/0x200
[ 18.699849] ? rb_insert_color_cached+0x1660/0x1660
[ 18.704830] ? check_noncircular+0x20/0x20
[ 18.709035] __handle_mm_fault+0x1d8f/0x3ce0
[ 18.713412] ? __pmd_alloc+0x4e0/0x4e0
[ 18.717269] ? find_held_lock+0x35/0x1d0
[ 18.721299] ? handle_mm_fault+0x2a0/0x930
[ 18.725504] ? lock_downgrade+0x980/0x980
[ 18.729631] handle_mm_fault+0x38f/0x930
[ 18.733675] ? __handle_mm_fault+0x3ce0/0x3ce0
[ 18.738223] ? trace_event_raw_event_sched_switch+0x800/0x800
[ 18.744083] ? find_vma+0x30/0x150
[ 18.747593] __get_user_pages+0x50c/0x15f0
[ 18.751801] ? follow_page_mask+0x17f0/0x17f0
[ 18.756263] ? vma_link+0xe9/0x170
[ 18.759771] ? lock_acquire+0x1d5/0x580
[ 18.763711] ? lock_acquire+0x1d5/0x580
[ 18.767650] ? __mm_populate+0x2c7/0x450
[ 18.771679] ? lock_release+0xa40/0xa40
[ 18.775617] ? trace_event_raw_event_sched_switch+0x800/0x800
[ 18.781468] ? rcu_note_context_switch+0x710/0x710
[ 18.786364] populate_vma_page_range+0x20e/0x2f0
[ 18.791089] ? get_user_pages_unlocked+0x4f0/0x4f0
[ 18.795983] ? vmacache_find+0x5f/0x280
[ 18.799922] ? vmacache_update+0xfe/0x130
[ 18.804035] ? find_vma+0x30/0x150
[ 18.807541] __mm_populate+0x23a/0x450
[ 18.811406] ? populate_vma_page_range+0x2f0/0x2f0
[ 18.816307] ? down_read_killable+0x180/0x180
[ 18.820780] ? security_mmap_file+0x143/0x180
[ 18.825248] vm_mmap_pgoff+0x241/0x280
[ 18.829107] ? vma_is_stack_for_current+0xa0/0xa0
[ 18.833917] ? putname+0xee/0x130
[ 18.837336] ? rcu_read_lock_sched_held+0x108/0x120
[ 18.842334] ? kmem_cache_free+0x267/0x2a0
[ 18.846556] SyS_mmap_pgoff+0x462/0x5f0
[ 18.850518] ? find_mergeable_anon_vma+0xd0/0xd0
[ 18.855255] ? trace_hardirqs_on_caller+0x421/0x5c0
[ 18.860256] ? trace_hardirqs_on_thunk+0x1a/0x1c
[ 18.864993] SyS_mmap+0x16/0x20
[ 18.868259] entry_SYSCALL_64_fastpath+0x1f/0x96
[ 18.872995] RIP: 0033:0x449229
[ 18.876160] RSP: 002b:00007f5b7ce0fd98 EFLAGS: 00000212 ORIG_RAX: 0000000000000009
[ 18.883840] RAX: ffffffffffffffda RBX: 00000000006dac24 RCX: 0000000000449229
[ 18.891086] RDX: 0000000001000004 RSI: 0000000000004000 RDI: 0000000020ac6000
[ 18.898331] RBP: 0000000000000000 R08: 000000000000000a R09: 0000000000000000
[ 18.905573] R10: 0000000000008011 R11: 0000000000000212 R12: 00000000006dac20
[ 18.912817] R13: 6273752f7665642f R14: 00007f5b7ce109c0 R15: 0000000000000005
[ 18.920065] Code: 00 44 89 e0 5b 41 5c 41 5d 41 5e 41 5f 5d c3 41 bc 02 00 00 00 eb bb e8 db e1 96 fd 48 c7 c6 80 1f d1 85 4c 89 ff e8 6c a3 c0 fd <0f> 0b 48 89 95 28 ff ff ff 48 89 85 30 ff ff ff e8 b7 e1 96 fd
[ 18.939146] RIP: mon_bin_vma_fault+0x2f4/0x400 RSP: ffff8801c84e7510
[ 18.945684] ---[ end trace 6991b36c4e33f967 ]---
[ 18.950798] Kernel panic - not syncing: Fatal exception
[ 18.956580] Dumping ftrace buffer:
[ 18.960099] (ftrace buffer empty)
[ 18.963777] Kernel Offset: disabled
[ 18.967369] Rebooting in 86400 seconds..