general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
CPU: 0 PID: 27232 Comm: syz-executor.3 Not tainted 6.3.0-rc6-next-20230414-syzkaller-12018-gd3f2cd248191 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/30/2023
RIP: 0010:folio_inode include/linux/pagemap.h:400 [inline]
RIP: 0010:folio_wait_stable+0x23/0xe0 mm/page-writeback.c:3132
Code: 00 00 00 0f 1f 40 00 f3 0f 1e fa 55 48 89 fd 53 e8 82 93 d1 ff 48 8d 7d 18 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 a4 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b
RSP: 0018:ffffc9000c8ef9f0 EFLAGS: 00010203
RAX: dffffc0000000000 RBX: ffff88803e968cb0 RCX: 0000000000000000
RDX: 0000000000000002 RSI: ffffffff81b1e30e RDI: 0000000000000016
RBP: fffffffffffffffe R08: 0000000000000005 R09: 00000000ffffffef
R10: 00000000fffffff4 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88803e968ed8 R14: 0000000000000000 R15: ffff88803e968a50
FS:  00007fa9de649700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007faef9985998 CR3: 00000000217a6000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ext4_da_write_begin+0x47f/0x8b0 fs/ext4/inode.c:2939
 generic_perform_write+0x256/0x570 mm/filemap.c:3921
 ext4_buffered_write_iter+0x15b/0x460 fs/ext4/file.c:289
 ext4_file_write_iter+0xbe0/0x1740 fs/ext4/file.c:710
 call_write_iter include/linux/fs.h:1854 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0xa1d/0xe40 fs/read_write.c:584
 ksys_write+0x12b/0x250 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fa9dd88c169
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa9de649168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fa9dd9abf80 RCX: 00007fa9dd88c169
RDX: 000000003af4701e RSI: 0000000020000240 RDI: 0000000000000003
RBP: 00007fa9dd8e7ca1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcd8a877df R14: 00007fa9de649300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:folio_inode include/linux/pagemap.h:400 [inline]
RIP: 0010:folio_wait_stable+0x23/0xe0 mm/page-writeback.c:3132
Code: 00 00 00 0f 1f 40 00 f3 0f 1e fa 55 48 89 fd 53 e8 82 93 d1 ff 48 8d 7d 18 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 a4 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8b
RSP: 0018:ffffc9000c8ef9f0 EFLAGS: 00010203
RAX: dffffc0000000000 RBX: ffff88803e968cb0 RCX: 0000000000000000
RDX: 0000000000000002 RSI: ffffffff81b1e30e RDI: 0000000000000016
RBP: fffffffffffffffe R08: 0000000000000005 R09: 00000000ffffffef
R10: 00000000fffffff4 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88803e968ed8 R14: 0000000000000000 R15: ffff88803e968a50
FS:  00007fa9de649700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007faef9985998 CR3: 00000000217a6000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	00 00                	add    %al,(%rax)
   2:	0f 1f 40 00          	nopl   0x0(%rax)
   6:	f3 0f 1e fa          	endbr64
   a:	55                   	push   %rbp
   b:	48 89 fd             	mov    %rdi,%rbp
   e:	53                   	push   %rbx
   f:	e8 82 93 d1 ff       	callq  0xffd19396
  14:	48 8d 7d 18          	lea    0x18(%rbp),%rdi
  18:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  1f:	fc ff df
  22:	48 89 fa             	mov    %rdi,%rdx
  25:	48 c1 ea 03          	shr    $0x3,%rdx
* 29:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2d:	0f 85 a4 00 00 00    	jne    0xd7
  33:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  3a:	fc ff df
  3d:	48                   	rex.W
  3e:	8b                   	.byte 0x8b