audit: type=1400 audit(1545523850.377:39): avc:  denied  { map } for  pid=7682 comm="syz-executor2" path="/selinux/status" dev="selinuxfs" ino=19 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:security_t:s0 tclass=file permissive=1
WARNING: CPU: 0 PID: 9259 at arch/x86/mm/pat.c:1064 untrack_pfn+0x2b8/0x320 arch/x86/mm/pat.c:1064
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 9259 Comm: syz-executor1 Not tainted 4.20.0-rc7+ #163
kobject: 'loop0' (00000000d07c86c6): kobject_uevent_env
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1d3/0x2c6 lib/dump_stack.c:113
kobject: 'loop0' (00000000d07c86c6): fill_kobj_path: path = '/devices/virtual/block/loop0'
 panic+0x2ad/0x55c kernel/panic.c:188
kobject: 'loop5' (00000000aea4c8ad): kobject_uevent_env
 __warn.cold.8+0x20/0x45 kernel/panic.c:540
kobject: 'loop5' (00000000aea4c8ad): fill_kobj_path: path = '/devices/virtual/block/loop5'
 report_bug+0x254/0x2d0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271
 do_invalid_op+0x36/0x40 arch/x86/kernel/traps.c:290
kobject: 'loop3' (0000000030d5d503): kobject_uevent_env
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973
RIP: 0010:untrack_pfn+0x2b8/0x320 arch/x86/mm/pat.c:1064
Code: 00 00 00 00 48 8b 45 d0 65 48 33 04 25 28 00 00 00 75 39 48 81 c4 b0 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 c8 92 45 00 <0f> 0b eb b5 4c 89 e7 e8 6c 9c 88 00 e9 86 fe ff ff 48 8b bd 28 ff
RSP: 0018:ffff8881bf416fe8 EFLAGS: 00010293
RAX: ffff8881d1cd6080 RBX: 1ffff11037e82dff RCX: ffffffff813923d4
RDX: 0000000000000000 RSI: ffffffff81392518 RDI: 0000000000000005
RBP: ffff8881bf4170c0 R08: ffff8881d1cd6080 R09: ffffed1037ad73d9
R10: ffffed1037ad73d9 R11: ffff8881bd6b9ecb R12: ffff8881cdf68420
R13: 00000000ffffffea R14: 0000000000000000 R15: ffff8881bf417098
kobject: 'loop3' (0000000030d5d503): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop2' (000000003ea4d4e5): kobject_uevent_env
 unmap_single_vma+0x1c0/0x310 mm/memory.c:1288
kobject: 'loop2' (000000003ea4d4e5): fill_kobj_path: path = '/devices/virtual/block/loop2'
 unmap_vmas+0x125/0x200 mm/memory.c:1339
 exit_mmap+0x2be/0x590 mm/mmap.c:3145
kobject: 'loop4' (00000000f080f8d5): kobject_uevent_env
 __mmput kernel/fork.c:1050 [inline]
 mmput+0x247/0x610 kernel/fork.c:1071
kobject: 'loop4' (00000000f080f8d5): fill_kobj_path: path = '/devices/virtual/block/loop4'
 exit_mm kernel/exit.c:545 [inline]
 do_exit+0xe74/0x26d0 kernel/exit.c:854
kobject: 'loop3' (0000000030d5d503): kobject_uevent_env
kobject: 'loop3' (0000000030d5d503): fill_kobj_path: path = '/devices/virtual/block/loop3'
kobject: 'loop5' (00000000aea4c8ad): kobject_uevent_env
kobject: 'loop5' (00000000aea4c8ad): fill_kobj_path: path = '/devices/virtual/block/loop5'
 do_group_exit+0x177/0x440 kernel/exit.c:970
kobject: 'loop0' (00000000d07c86c6): kobject_uevent_env
 get_signal+0x8b0/0x1980 kernel/signal.c:2517
kobject: 'loop0' (00000000d07c86c6): fill_kobj_path: path = '/devices/virtual/block/loop0'
kobject: 'loop2' (000000003ea4d4e5): kobject_uevent_env
 do_signal+0x9c/0x21c0 arch/x86/kernel/signal.c:816
kobject: 'loop2' (000000003ea4d4e5): fill_kobj_path: path = '/devices/virtual/block/loop2'
 exit_to_usermode_loop+0x2e5/0x380 arch/x86/entry/common.c:162
 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:268 [inline]
 do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457669
Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f56a8b84cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000072bf08 RCX: 0000000000457669
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08
RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c
R13: 00007fffadecc28f R14: 00007f56a8b859c0 R15: 000000000072bf0c
Kernel Offset: disabled
Rebooting in 86400 seconds..