Oops: general protection fault, probably for non-canonical address 0xe000080fc4bd20a8: 0000 [#1] SMP KASAN NOPTI
KASAN: probably user-memory-access in range [0x0000607e25e90540-0x0000607e25e90547]
CPU: 3 UID: 0 PID: 8281 Comm: syz.2.6816 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:module_is_live include/linux/module.h:618 [inline]
RIP: 0010:try_module_get+0x23/0xd0 kernel/module/main.c:913
Code: 90 90 90 90 90 90 90 f3 0f 1e fa 48 85 ff 0f 84 9b 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 55 48 c1 ea 03 53 48 89 fb <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 89 00 00 00 83 3b 02 74 67 48
RSP: 0018:ffffc9000c2cf8b8 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000607e25e90540 RCX: ffffc90030596000
RDX: 00000c0fc4bd20a8 RSI: ffffffff87d8ed90 RDI: 0000607e25e90540
RBP: ffff88802d0fe600 R08: 0000000000000001 R09: fffffbfff1f964b9
R10: ffffffff8fcb25cf R11: 0000000000000000 R12: ffff88802cefb180
R13: ffff888025d5ac80 R14: ffff8880251a14e8 R15: ffff88802cefb1c8
FS:  00007fea019f66c0(0000) GS:ffff8880d68d9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fea00b84580 CR3: 00000000255dd000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 dvb_device_open+0x124/0x3b0 drivers/media/dvb-core/dvbdev.c:103
 chrdev_open+0x234/0x6a0 fs/char_dev.c:414
 do_dentry_open+0x73e/0x1570 fs/open.c:962
 vfs_open+0x82/0x3f0 fs/open.c:1094
 do_open fs/namei.c:4637 [inline]
 path_openat+0x21dc/0x3120 fs/namei.c:4796
 do_filp_open+0x1f7/0x420 fs/namei.c:4823
 do_sys_openat2+0x12e/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+0x12d/0x210 fs/open.c:1447
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fea00b5b78e
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007fea019f5b28 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fea019f66c0 RCX: 00007fea00b5b78e
RDX: 0000000000000002 RSI: 00007fea019f5c00 RDI: ffffffffffffff9c
RBP: 00007fea019f5c00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: cccccccccccccccd
R13: 00007fea00e16038 R14: 00007fea00e15fa0 R15: 00007ffeb2d4f128
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:module_is_live include/linux/module.h:618 [inline]
RIP: 0010:try_module_get+0x23/0xd0 kernel/module/main.c:913
Code: 90 90 90 90 90 90 90 f3 0f 1e fa 48 85 ff 0f 84 9b 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 55 48 c1 ea 03 53 48 89 fb <0f> b6 04 02 84 c0 74 08 3c 03 0f 8e 89 00 00 00 83 3b 02 74 67 48
RSP: 0018:ffffc9000c2cf8b8 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000607e25e90540 RCX: ffffc90030596000
RDX: 00000c0fc4bd20a8 RSI: ffffffff87d8ed90 RDI: 0000607e25e90540
RBP: ffff88802d0fe600 R08: 0000000000000001 R09: fffffbfff1f964b9
R10: ffffffff8fcb25cf R11: 0000000000000000 R12: ffff88802cefb180
R13: ffff888025d5ac80 R14: ffff8880251a14e8 R15: ffff88802cefb1c8
FS:  00007fea019f66c0(0000) GS:ffff8880d68d9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fea00b84580 CR3: 00000000255dd000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
   0:	90                   	nop
   1:	90                   	nop
   2:	90                   	nop
   3:	90                   	nop
   4:	90                   	nop
   5:	90                   	nop
   6:	90                   	nop
   7:	f3 0f 1e fa          	endbr64
   b:	48 85 ff             	test   %rdi,%rdi
   e:	0f 84 9b 00 00 00    	je     0xaf
  14:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  1b:	fc ff df
  1e:	48 89 fa             	mov    %rdi,%rdx
  21:	55                   	push   %rbp
  22:	48 c1 ea 03          	shr    $0x3,%rdx
  26:	53                   	push   %rbx
  27:	48 89 fb             	mov    %rdi,%rbx
* 2a:	0f b6 04 02          	movzbl (%rdx,%rax,1),%eax <-- trapping instruction
  2e:	84 c0                	test   %al,%al
  30:	74 08                	je     0x3a
  32:	3c 03                	cmp    $0x3,%al
  34:	0f 8e 89 00 00 00    	jle    0xc3
  3a:	83 3b 02             	cmpl   $0x2,(%rbx)
  3d:	74 67                	je     0xa6
  3f:	48                   	rex.W