do_readv+0x11a/0x310 fs/read_write.c:1019
 __do_sys_readv fs/read_write.c:1106 [inline]
 __se_sys_readv fs/read_write.c:1103 [inline]
 __x64_sys_readv+0x75/0xb0 fs/read_write.c:1103
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
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: 1 PID: 8876 Comm: syz-executor0 Not tainted 4.19.0-rc6+ #258
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0033:0x457569
RIP: 0010:__rb_erase_augmented include/linux/rbtree_augmented.h:168 [inline]
RIP: 0010:rb_erase+0x306/0x3710 lib/rbtree.c:459
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
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: 002b:00007f0289508c78 EFLAGS: 00000246
RSP: 0018:ffff88019ab5e918 EFLAGS: 00010202
 ORIG_RAX: 0000000000000013
RAX: ffffffffffffffda RBX: 00007f0289508c90 RCX: 0000000000457569
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
RDX: 0000000000000001 RSI: 0000000020000240 RDI: 0000000000000005
RDX: 1ffff1003356bd2b RSI: ffffffff8afc38a0 RDI: 0000000000000008
RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f02895096d4
RBP: ffff88019ab5f320 R08: dffffc0000000000 R09: fffffbfff12d6a70
R13: 00000000004c30a4 R14: 00000000004d4d10 R15: 0000000000000006
R10: fffffbfff12d6a70 R11: ffffffff896b5383 R12: ffff8801910e8730
R13: dffffc0000000000 R14: ffff88019ab5f2f8 R15: ffff88019ab5f438
FS:  00007fa3ab5ee700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31635000 CR3: 00000001cdeeb000 CR4: 00000000001406e0
kobject: 'loop4' (00000000bf8a8294): kobject_uevent_env
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
kobject: 'loop4' (00000000bf8a8294): fill_kobj_path: path = '/devices/virtual/block/loop4'
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: 0033:0x457569
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:00007fa3ab5edc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000457569
RDX: 0000000000000000 RSI: 0000000000006611 RDI: 0000000000000005
RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa3ab5ee6d4
R13: 00000000004bf612 R14: 00000000004cf4c0 R15: 00000000ffffffff
Modules linked in:
---[ end trace 5d4556a66c466f93 ]---
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:ffff88019ab5e918 EFLAGS: 00010202
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000001
RDX: 1ffff1003356bd2b RSI: ffffffff8afc38a0 RDI: 0000000000000008
RBP: ffff88019ab5f320 R08: dffffc0000000000 R09: fffffbfff12d6a70
R10: fffffbfff12d6a70 R11: ffffffff896b5383 R12: ffff8801910e8730
R13: dffffc0000000000 R14: ffff88019ab5f2f8 R15: ffff88019ab5f438
FS:  00007fa3ab5ee700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b31635000 CR3: 00000001cdeeb000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400