Oops: general protection fault, probably for non-canonical address 0xdffffc00000000c7: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000638-0x000000000000063f]
CPU: 1 UID: 0 PID: 6445 Comm: syz.5.94 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:txEnd+0xb4/0x530
Code: 49 8d 5e 20 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 4c 75 d1 fe 41 bf 38 06 00 00 4c 03 3b 4c 89 f8 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 ff e8 2d 75 d1 fe 49 8b 1f 48 83 c3 30
RSP: 0018:ffffc90003987aa0 EFLAGS: 00010202
RAX: 00000000000000c7 RBX: ffffc90002ae9020 RCX: 0000000000000000
RDX: 0000000000000006 RSI: ffffffff8def4b4b RDI: 00000000ffffffff
RBP: ffffc90003987d80 R08: ffffffff90118bb7 R09: 1ffffffff2023176
R10: dffffc0000000000 R11: fffffbfff2023177 R12: 1ffff92000730f6c
R13: dffffc0000000000 R14: ffffc90002ae9000 R15: 0000000000000638
FS:  00007f187abce6c0(0000) GS:ffff8882a9463000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f186fa3f000 CR3: 00000001057d2000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 jfs_symlink+0x91c/0xfd0
 vfs_symlink+0x195/0x340
 filename_symlinkat+0x1cd/0x410
 __se_sys_symlink+0x4d/0x2b0
 do_syscall_64+0x14d/0xf80
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1879d9c799
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:00007f187abce028 EFLAGS: 00000246 ORIG_RAX: 0000000000000058
RAX: ffffffffffffffda RBX: 00007f187a015fa0 RCX: 00007f1879d9c799
RDX: 0000000000000000 RSI: 0000200000000080 RDI: 00002000000005c0
RBP: 00007f1879e32c99 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f187a016038 R14: 00007f187a015fa0 R15: 00007fff5c2dad08
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:txEnd+0xb4/0x530
Code: 49 8d 5e 20 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 4c 75 d1 fe 41 bf 38 06 00 00 4c 03 3b 4c 89 f8 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 ff e8 2d 75 d1 fe 49 8b 1f 48 83 c3 30
RSP: 0018:ffffc90003987aa0 EFLAGS: 00010202
RAX: 00000000000000c7 RBX: ffffc90002ae9020 RCX: 0000000000000000
RDX: 0000000000000006 RSI: ffffffff8def4b4b RDI: 00000000ffffffff
RBP: ffffc90003987d80 R08: ffffffff90118bb7 R09: 1ffffffff2023176
R10: dffffc0000000000 R11: fffffbfff2023177 R12: 1ffff92000730f6c
R13: dffffc0000000000 R14: ffffc90002ae9000 R15: 0000000000000638
FS:  00007f187abce6c0(0000) GS:ffff8882a9463000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f186fa3f000 CR3: 00000001057d2000 CR4: 00000000000006f0
