Oops: general protection fault, probably for non-canonical address 0xdffffc0000000104: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000820-0x0000000000000827]
CPU: 0 UID: 0 PID: 6887 Comm: syz.0.145 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:diRead+0x151/0xb90
Code: 89 f0 48 c1 e8 03 80 3c 28 00 74 08 4c 89 f7 e8 05 7f d6 fe 4c 89 64 24 50 4d 8b 36 4d 8d be 20 08 00 00 4c 89 f8 48 c1 e8 03 <80> 3c 28 00 74 08 4c 89 ff e8 e1 7e d6 fe 4d 8b 2f 4d 8d 7d 28 4c
RSP: 0018:ffffc9000b8af6f8 EFLAGS: 00010202
RAX: 0000000000000104 RBX: 0000000000000004 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 00000000ffffffff
RBP: dffffc0000000000 R08: ffff8881145d4a17 R09: 1ffff110228ba942
R10: dffffc0000000000 R11: ffffed10228ba943 R12: ffff8881145d4d70
R13: ffff888109378bc0 R14: 0000000000000000 R15: 0000000000000820
FS:  00007f0f65c466c0(0000) GS:ffff88818de5d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000102758000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 jfs_iget+0x89/0x470
 jfs_lookup+0x220/0x420
 __lookup_slow+0x2b7/0x410
 lookup_slow+0x53/0x70
 path_lookupat+0x3f5/0x8c0
 filename_lookup+0x256/0x5d0
 filename_linkat+0x11a/0x600
 __se_sys_link+0x55/0x2c0
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0f64d9c799
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f0f65c46028 EFLAGS: 00000246 ORIG_RAX: 0000000000000056
RAX: ffffffffffffffda RBX: 00007f0f65016180 RCX: 00007f0f64d9c799
RDX: 0000000000000000 RSI: 0000200000000240 RDI: 0000200000000940
RBP: 00007f0f64e32c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0f65016218 R14: 00007f0f65016180 R15: 00007ffe8e87ecc8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:diRead+0x151/0xb90
Code: 89 f0 48 c1 e8 03 80 3c 28 00 74 08 4c 89 f7 e8 05 7f d6 fe 4c 89 64 24 50 4d 8b 36 4d 8d be 20 08 00 00 4c 89 f8 48 c1 e8 03 <80> 3c 28 00 74 08 4c 89 ff e8 e1 7e d6 fe 4d 8b 2f 4d 8d 7d 28 4c
RSP: 0018:ffffc9000b8af6f8 EFLAGS: 00010202
RAX: 0000000000000104 RBX: 0000000000000004 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000008 RDI: 00000000ffffffff
RBP: dffffc0000000000 R08: ffff8881145d4a17 R09: 1ffff110228ba942
R10: dffffc0000000000 R11: ffffed10228ba943 R12: ffff8881145d4d70
R13: ffff888109378bc0 R14: 0000000000000000 R15: 0000000000000820
FS:  00007f0f65c466c0(0000) GS:ffff8882a945d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000002000 CR3: 0000000102758000 CR4: 00000000000006f0
