[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 11.485522] audit: type=1400 audit(1514973868.047:6): avc: denied { map } for pid=3445 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 '10.128.15.198' (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 syzkaller login: [ 24.081464] audit: type=1400 audit(1514973880.643:7): avc: denied { map } for pid=3461 comm="syzkaller269568" path="/root/syzkaller269568357" 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 [ 24.087745] audit: type=1400 audit(1514973880.649:8): avc: denied { map } for pid=3461 comm="syzkaller269568" path="/dev/usbmon0" dev="devtmpfs" ino=1066 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 executing program [ 24.130025] page:ffffea0007071640 count:0 mapcount:0 mapping: (null) index:0x0 [ 24.138319] flags: 0x2fffc0000000000() [ 24.142339] raw: 02fffc0000000000 0000000000000000 0000000000000000 00000000ffffffff [ 24.150243] raw: ffffea000708cfe0 ffffea0007021be0 0000000000000000 0000000000000000 [ 24.158139] page dumped because: VM_BUG_ON_PAGE(page_ref_count(page) <= 0) [ 24.165240] ------------[ cut here ]------------ [ 24.169967] kernel BUG at ./include/linux/mm.h:844! [ 24.175032] invalid opcode: 0000 [#1] SMP KASAN [ 24.179672] Dumping ftrace buffer: [ 24.183207] (ftrace buffer empty) [ 24.186886] Modules linked in: [ 24.190048] CPU: 1 PID: 3462 Comm: syzkaller269568 Not tainted 4.15.0-rc6-next-20180103+ #87 [ 24.198592] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.207930] RIP: 0010:mon_bin_vma_fault+0x1df/0x250 [ 24.212928] RSP: 0018:ffff8801c0b57968 EFLAGS: 00010293 [ 24.218259] RAX: ffff8801c1b42480 RBX: ffffea0007071640 RCX: ffffffff817edb5c [ 24.225505] RDX: 0000000000000000 RSI: ffff8801c1b42cf8 RDI: ffffea0007071678 [ 24.232750] RBP: ffff8801c0b57988 R08: 0000000000000000 R09: 0000000000000000 [ 24.239989] R10: ffff8801c0b57aa0 R11: 0000000000000000 R12: ffff8801c0b57a50 [ 24.247314] R13: ffffea0007071640 R14: ffffea000708cfe0 R15: 1ffff1003816af3e [ 24.254553] FS: 00007f11b7f29700(0000) GS:ffff8801db500000(0000) knlGS:0000000000000000 [ 24.262744] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 24.268593] CR2: 000000002018c000 CR3: 00000001c1e70004 CR4: 00000000001606e0 [ 24.275844] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 24.283080] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 24.290326] Call Trace: [ 24.292898] __do_fault+0x8a/0x1d0 [ 24.296407] __handle_mm_fault+0x1c96/0x3210 [ 24.300802] ? __pmd_alloc+0x4e0/0x4e0 [ 24.304658] ? find_held_lock+0x35/0x1e0 [ 24.308697] handle_mm_fault+0x305/0x840 [ 24.312731] __get_user_pages+0x37e/0x1140 [ 24.316938] ? follow_page_mask+0x1430/0x1430 [ 24.321403] ? memset+0x31/0x40 [ 24.324652] populate_vma_page_range+0x18e/0x230 [ 24.329390] __mm_populate+0x204/0x350 [ 24.333261] ? populate_vma_page_range+0x230/0x230 [ 24.338177] vm_mmap_pgoff+0x1e1/0x1f0 [ 24.342033] ? vma_is_stack_for_current+0xa0/0xa0 [ 24.346853] ? __fget+0x22b/0x390 [ 24.350282] SyS_mmap_pgoff+0x423/0x580 [ 24.354247] ? find_mergeable_anon_vma+0x2a0/0x2a0 [ 24.359162] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 24.364159] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 24.368885] SyS_mmap+0x16/0x20 [ 24.372135] entry_SYSCALL_64_fastpath+0x23/0x9a [ 24.376872] RIP: 0033:0x449249 [ 24.380040] RSP: 002b:00007f11b7f28d98 EFLAGS: 00000212 ORIG_RAX: 0000000000000009 [ 24.387727] RAX: ffffffffffffffda RBX: 00000000006dac24 RCX: 0000000000449249 [ 24.394976] RDX: 0000000001000004 RSI: 0000000000004000 RDI: 0000000020ac6000 [ 24.402214] RBP: 0000000000000000 R08: 0000000000000025 R09: 0000000000000000 [ 24.409461] R10: 0000000000008011 R11: 0000000000000212 R12: 00000000006dac20 [ 24.416698] R13: 6b66722f7665642f R14: 6273752f7665642f R15: 0000000000000005 [ 24.423946] Code: 5d c3 bb 02 00 00 00 e8 a0 b9 e2 fd 89 d8 5b 41 5c 41 5d 41 5e 5d c3 e8 90 b9 e2 fd 48 c7 c6 00 0a 73 85 48 89 df e8 91 8a 03 fe <0f> 0b e8 7a b9 e2 fd 49 8d 5e ff e9 51 ff ff ff e8 3c 9b 0e fe [ 24.443015] RIP: mon_bin_vma_fault+0x1df/0x250 RSP: ffff8801c0b57968 [ 24.449509] ---[ end trace 77858ec5519e6d3f ]--- [ 24.454252] Kernel panic - not syncing: Fatal exception [ 24.459960] Dumping ftrace buffer: [ 24.463464] (ftrace buffer empty) [ 24.467151] Kernel Offset: disabled [ 24.470759] Rebooting in 86400 seconds..