Oops: general protection fault, probably for non-canonical address 0xdffffc000000006f: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000378-0x000000000000037f]
CPU: 1 UID: 0 PID: 8500 Comm: syz.9.264 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:ext4_inode_journal_mode+0x6d/0x480
Code: 00 4d 03 7d 00 4c 89 f8 48 c1 e8 03 80 3c 28 00 74 08 4c 89 ff e8 03 9e b6 ff 41 bc 78 03 00 00 4d 03 27 4c 89 e0 48 c1 e8 03 <80> 3c 28 00 74 08 4c 89 e7 e8 e5 9d b6 ff 49 83 3c 24 00 0f 84 01
RSP: 0018:ffffc90002bcf638 EFLAGS: 00010206
RAX: 000000000000006f RBX: ffff888111d0f250 RCX: 0000000000080000
RDX: ffffc900085b9000 RSI: 00000000000003b4 RDI: 00000000000003b5
RBP: dffffc0000000000 R08: ffff888111d0f337 R09: 1ffff110223a1e66
R10: dffffc0000000000 R11: ffffed10223a1e67 R12: 0000000000000378
R13: ffff888111d0f278 R14: 1ffff110223a1e4f R15: ffff88801bf16640
FS:  00007fe0f2bc56c0(0000) GS:ffff8881a3c12000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000060 CR3: 00000001062de000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 ext4_move_extents+0x2bb/0x3630
 ext4_ioctl+0x26a7/0x33c0
 __se_sys_ioctl+0xfc/0x170
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe0f1d8ec29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe0f2bc5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fe0f1fd5fa0 RCX: 00007fe0f1d8ec29
RDX: 0000200000000040 RSI: 00000000c028660f RDI: 0000000000000005
RBP: 00007fe0f1e11e41 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe0f1fd6038 R14: 00007fe0f1fd5fa0 R15: 00007ffd1dc74a88
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ext4_inode_journal_mode+0x6d/0x480
Code: 00 4d 03 7d 00 4c 89 f8 48 c1 e8 03 80 3c 28 00 74 08 4c 89 ff e8 03 9e b6 ff 41 bc 78 03 00 00 4d 03 27 4c 89 e0 48 c1 e8 03 <80> 3c 28 00 74 08 4c 89 e7 e8 e5 9d b6 ff 49 83 3c 24 00 0f 84 01
RSP: 0018:ffffc90002bcf638 EFLAGS: 00010206
RAX: 000000000000006f RBX: ffff888111d0f250 RCX: 0000000000080000
RDX: ffffc900085b9000 RSI: 00000000000003b4 RDI: 00000000000003b5
RBP: dffffc0000000000 R08: ffff888111d0f337 R09: 1ffff110223a1e66
R10: dffffc0000000000 R11: ffffed10223a1e67 R12: 0000000000000378
R13: ffff888111d0f278 R14: 1ffff110223a1e4f R15: ffff88801bf16640
FS:  00007fe0f2bc56c0(0000) GS:ffff8880b8612000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe0e89ff000 CR3: 00000001062de000 CR4: 00000000000006f0
