audit: type=1400 audit(1539959715.229:35): avc:  denied  { map } for  pid=5517 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
audit: type=1400 audit(1539959721.889:36): avc:  denied  { map } for  pid=5531 comm="syz-executor532" path="/root/syz-executor532797478" 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
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 5531 Comm: syz-executor532 Not tainted 4.19.0-rc8+ #70
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:__rb_erase_augmented include/linux/rbtree_augmented.h:168 [inline]
RIP: 0010:rb_erase+0x306/0x3710 lib/rbtree.c:459
Code: c7 81 28 01 00 00 f2 f2 f2 f2 c7 81 2c 01 00 00 00 f2 f2 f2 48 89 f9 65 48 8b 1c 25 28 00 00 00 48 89 5d d0 31 db 48 c1 e9 03 <42> 80 3c 01 00 0f 85 41 1c 00 00 4c 8d 48 10 4c 8b 78 08 48 b9 00
RSP: 0018:ffff8801c4aa6918 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
RDX: 1ffff10038954d2b RSI: ffffffff8afbc860 RDI: 0000000000000008
RBP: ffff8801c4aa7320 R08: dffffc0000000000 R09: fffffbfff12d6990
R10: fffffbfff12d6990 R11: ffffffff896b4c83 R12: ffff8801b26cb3b0
R13: dffffc0000000000 R14: ffff8801c4aa72f8 R15: ffff8801c4aa7438
FS:  0000000001b73880(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000080 CR3: 00000001cc676000 CR4: 00000000001406f0
Call Trace:
 integrity_inode_free+0x12f/0x320 security/integrity/iint.c:150
 security_inode_free+0x19/0x90 security/security.c:453
 __destroy_inode+0x328/0x820 fs/inode.c:238
 destroy_inode+0xda/0x200 fs/inode.c:265
 evict+0x5e0/0x980 fs/inode.c:575
 iput_final fs/inode.c:1547 [inline]
 iput+0x679/0xa90 fs/inode.c:1573
 swap_inode_boot_loader fs/ext4/ioctl.c:188 [inline]
 ext4_ioctl+0x236f/0x4210 fs/ext4/ioctl.c:865
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:501 [inline]
 do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:685
 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:702
 __do_sys_ioctl fs/ioctl.c:709 [inline]
 __se_sys_ioctl fs/ioctl.c:707 [inline]
 __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:707
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x440009
Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 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 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007ffc31b028e8 EFLAGS: 00000213 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440009
RDX: 0000000000440009 RSI: 0000000000006611 RDI: 0000000000000003
RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8
R10: 0000000000000000 R11: 0000000000000213 R12: 0000000000401890
R13: 0000000000401920 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace 2401348003b7ea07 ]---
RIP: 0010:__rb_erase_augmented include/linux/rbtree_augmented.h:168 [inline]
RIP: 0010:rb_erase+0x306/0x3710 lib/rbtree.c:459
Code: c7 81 28 01 00 00 f2 f2 f2 f2 c7 81 2c 01 00 00 00 f2 f2 f2 48 89 f9 65 48 8b 1c 25 28 00 00 00 48 89 5d d0 31 db 48 c1 e9 03 <42> 80 3c 01 00 0f 85 41 1c 00 00 4c 8d 48 10 4c 8b 78 08 48 b9 00
RSP: 0018:ffff8801c4aa6918 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
RDX: 1ffff10038954d2b RSI: ffffffff8afbc860 RDI: 0000000000000008
RBP: ffff8801c4aa7320 R08: dffffc0000000000 R09: fffffbfff12d6990
R10: fffffbfff12d6990 R11: ffffffff896b4c83 R12: ffff8801b26cb3b0
R13: dffffc0000000000 R14: ffff8801c4aa72f8 R15: ffff8801c4aa7438
FS:  0000000001b73880(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000080 CR3: 00000001cc676000 CR4: 00000000001406f0