audit: type=1400 audit(1584968563.742:36): avc:  denied  { map } for  pid=7389 comm="syz-executor245" path="/root/syz-executor245420746" 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
kasan: CONFIG_KASAN_INLINE enabled
audit: type=1804 audit(1584968563.742:37): pid=7389 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor245" name="/root/bus" dev="sda1" ino=16485 res=1
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 7389 Comm: syz-executor245 Not tainted 4.14.174-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88808619a400 task.stack: ffff88808f8e8000
RIP: 0010:__rb_erase_augmented include/linux/rbtree_augmented.h:167 [inline]
RIP: 0010:rb_erase+0x29/0x19b0 lib/rbtree.c:459
RSP: 0018:ffff88808f8efa68 EFLAGS: 00010292
RAX: dffffc0000000000 RBX: ffff8880961603b0 RCX: 1ffff11011f1df26
RDX: 0000000000000001 RSI: ffffffff8a659de0 RDI: 0000000000000008
RBP: 0000000000000000 R08: ffffffff8a0f5c0c R09: 0000000000001bd2
R10: ffff88808f8ef870 R11: ffff88808619a400 R12: ffff8880961563f0
R13: 0000000000000000 R14: ffff888096156478 R15: ffffffff8a659de0
FS:  0000000001e7f880(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000562eaaa8b1a0 CR3: 000000009ed50000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 integrity_inode_free+0x119/0x300 security/integrity/iint.c:146
 security_inode_free+0x14/0x80 security/security.c:443
 __destroy_inode+0x1e8/0x4c0 fs/inode.c:237
 destroy_inode+0x49/0x110 fs/inode.c:264
 iput_final fs/inode.c:1523 [inline]
 iput fs/inode.c:1550 [inline]
 iput+0x457/0x8d0 fs/inode.c:1535
 swap_inode_boot_loader fs/ext4/ioctl.c:197 [inline]
 ext4_ioctl+0x145f/0x39f0 fs/ext4/ioctl.c:924
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x75a/0xfe0 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x440179
RSP: 002b:00007ffd46c2a978 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440179
RDX: 0000000000000000 RSI: 0000000000006611 RDI: 0000000000000003
RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a00
R13: 0000000000401a90 R14: 0000000000000000 R15: 0000000000000000
Code: 00 00 48 b8 00 00 00 00 00 fc ff df 41 57 49 89 f7 41 56 41 55 49 89 fd 48 83 c7 08 48 89 fa 41 54 48 c1 ea 03 55 53 48 83 ec 18 <80> 3c 02 00 0f 85 f5 10 00 00 49 8d 7d 10 4d 8b 75 08 48 b8 00 
RIP: __rb_erase_augmented include/linux/rbtree_augmented.h:167 [inline] RSP: ffff88808f8efa68
RIP: rb_erase+0x29/0x19b0 lib/rbtree.c:459 RSP: ffff88808f8efa68
---[ end trace bb9ba6e9b28241b3 ]---