loop0: detected capacity change from 0 to 32768
Oops: general protection fault, probably for non-canonical address 0xe00e9c0e000c60d6: 0000 [#1] SMP KASAN NOPTI
KASAN: maybe wild-memory-access in range [0x00750070006306b0-0x00750070006306b7]
CPU: 0 UID: 0 PID: 5801 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:timestamp_truncate fs/inode.c:2765 [inline]
RIP: 0010:inode_set_ctime_current+0xd5/0xaf0 fs/inode.c:2807
Code: d8 48 c1 e8 03 48 89 44 24 30 42 80 3c 20 00 74 08 48 89 df e8 2c cc e5 ff 4c 8b 3b 49 8d bf 40 06 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 8a 07 00 00 48 89 5c 24 20 41 8b 87 40
RSP: 0018:ffffc90002bd7620 EFLAGS: 00010202
RAX: 000ea00e000c60d6 RBX: ffff888045c4b220 RCX: ffff888039dd8000
RDX: 0000000000000000 RSI: 188fccb01e846088 RDI: 00750070006306b2
RBP: ffffc90002bd7710 R08: ffffffff8fef3f77 R09: 1ffffffff1fde7ee
R10: dffffc0000000000 R11: fffffbfff1fde7ef R12: dffffc0000000000
R13: ffff888045c4b1f8 R14: ffff888045c4b1f8 R15: 0075007000630072
FS:  00007f6b879a46c0(0000) GS:ffff88808ccea000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b33e63fff CR3: 0000000043f02000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 jfs_create+0x88a/0xb10 fs/jfs/namei.c:152
 lookup_open fs/namei.c:4449 [inline]
 open_last_lookups fs/namei.c:4549 [inline]
 path_openat+0x18dd/0x3e20 fs/namei.c:4793
 do_filp_open+0x22d/0x490 fs/namei.c:4823
 do_sys_openat2+0x12f/0x220 fs/open.c:1430
 do_sys_open fs/open.c:1436 [inline]
 __do_sys_openat fs/open.c:1452 [inline]
 __se_sys_openat fs/open.c:1447 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1447
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xe2/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6b86b9a679
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:00007f6b879a4028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f6b86e05fa0 RCX: 00007f6b86b9a679
RDX: 000000000000275a RSI: 0000200000000140 RDI: ffffffffffffff9c
RBP: 00007f6b86c2dee0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f6b86e06038 R14: 00007f6b86e05fa0 R15: 00007fffded5fec8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:timestamp_truncate fs/inode.c:2765 [inline]
RIP: 0010:inode_set_ctime_current+0xd5/0xaf0 fs/inode.c:2807
Code: d8 48 c1 e8 03 48 89 44 24 30 42 80 3c 20 00 74 08 48 89 df e8 2c cc e5 ff 4c 8b 3b 49 8d bf 40 06 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 8a 07 00 00 48 89 5c 24 20 41 8b 87 40
RSP: 0018:ffffc90002bd7620 EFLAGS: 00010202
RAX: 000ea00e000c60d6 RBX: ffff888045c4b220 RCX: ffff888039dd8000
RDX: 0000000000000000 RSI: 188fccb01e846088 RDI: 00750070006306b2
RBP: ffffc90002bd7710 R08: ffffffff8fef3f77 R09: 1ffffffff1fde7ee
R10: dffffc0000000000 R11: fffffbfff1fde7ef R12: dffffc0000000000
R13: ffff888045c4b1f8 R14: ffff888045c4b1f8 R15: 0075007000630072
FS:  00007f6b879a46c0(0000) GS:ffff88808ccea000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8b12eb5eb8 CR3: 0000000043f02000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
   0:	d8 48 c1             	fmuls  -0x3f(%rax)
   3:	e8 03 48 89 44       	call   0x4489480b
   8:	24 30                	and    $0x30,%al
   a:	42 80 3c 20 00       	cmpb   $0x0,(%rax,%r12,1)
   f:	74 08                	je     0x19
  11:	48 89 df             	mov    %rbx,%rdi
  14:	e8 2c cc e5 ff       	call   0xffe5cc45
  19:	4c 8b 3b             	mov    (%rbx),%r15
  1c:	49 8d bf 40 06 00 00 	lea    0x640(%r15),%rdi
  23:	48 89 f8             	mov    %rdi,%rax
  26:	48 c1 e8 03          	shr    $0x3,%rax
* 2a:	42 0f b6 04 20       	movzbl (%rax,%r12,1),%eax <-- trapping instruction
  2f:	84 c0                	test   %al,%al
  31:	0f 85 8a 07 00 00    	jne    0x7c1
  37:	48 89 5c 24 20       	mov    %rbx,0x20(%rsp)
  3c:	41                   	rex.B
  3d:	8b                   	.byte 0x8b
  3e:	87                   	.byte 0x87
  3f:	40                   	rex