syz-executor.0[5451]: memfd_create() called without MFD_EXEC or MFD_NOEXEC_SEAL set
loop0: detected capacity change from 0 to 32768
general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 PID: 5451 Comm: syz-executor.0 Not tainted 6.5.0-syzkaller-09276-g99d99825fc07 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
RIP: 0010:dtExtendPage fs/jfs/jfs_dtree.c:1661 [inline]
RIP: 0010:dtSplitUp+0x1754/0x5850 fs/jfs/jfs_dtree.c:1034
Code: 8d 47 10 48 39 c5 74 0c e8 69 2f 8f fe 48 8d 5d e8 49 89 1f e8 5d 2f 8f fe 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 bf 3d 00 00 48 8b 2b 31 ff 48 89 ee e8 c5 2a 8f
RSP: 0018:ffffc900053ef250 EFLAGS: 00010256
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff82f84963 RDI: 0000000000000003
RBP: ffffc900053ef7f0 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff888076603130 R14: ffff888076603130 R15: ffffc900053ef7e0
FS:  00007f403622e6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002000c380 CR3: 000000002d05c000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 dtInsert+0x872/0xb00 fs/jfs/jfs_dtree.c:863
 jfs_create+0x63c/0xb10 fs/jfs/namei.c:137
 lookup_open.isra.0+0x1049/0x1360 fs/namei.c:3495
 open_last_lookups fs/namei.c:3563 [inline]
 path_openat+0x931/0x29c0 fs/namei.c:3793
 do_filp_open+0x1de/0x430 fs/namei.c:3823
 do_sys_openat2+0x176/0x1e0 fs/open.c:1422
 do_sys_open fs/open.c:1437 [inline]
 __do_sys_openat fs/open.c:1453 [inline]
 __se_sys_openat fs/open.c:1448 [inline]
 __x64_sys_openat+0x175/0x210 fs/open.c:1448
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f403507ad39
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f403622e0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f403519bf80 RCX: 00007f403507ad39
RDX: 0000000000161842 RSI: 000000002000c380 RDI: ffffffffffffff9c
RBP: 00007f40350d7567 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f403519bf80 R15: 00007ffcb2e0c318
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:dtExtendPage fs/jfs/jfs_dtree.c:1661 [inline]
RIP: 0010:dtSplitUp+0x1754/0x5850 fs/jfs/jfs_dtree.c:1034
Code: 8d 47 10 48 39 c5 74 0c e8 69 2f 8f fe 48 8d 5d e8 49 89 1f e8 5d 2f 8f fe 48 89 da 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 bf 3d 00 00 48 8b 2b 31 ff 48 89 ee e8 c5 2a 8f
RSP: 0018:ffffc900053ef250 EFLAGS: 00010256
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff82f84963 RDI: 0000000000000003
RBP: ffffc900053ef7f0 R08: 0000000000000003 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffff888076603130 R14: ffff888076603130 R15: ffffc900053ef7e0
FS:  00007f403622e6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f162bb735e8 CR3: 000000002d05c000 CR4: 0000000000350ee0
----------------
Code disassembly (best guess):
   0:	8d 47 10             	lea    0x10(%rdi),%eax
   3:	48 39 c5             	cmp    %rax,%rbp
   6:	74 0c                	je     0x14
   8:	e8 69 2f 8f fe       	call   0xfe8f2f76
   d:	48 8d 5d e8          	lea    -0x18(%rbp),%rbx
  11:	49 89 1f             	mov    %rbx,(%r15)
  14:	e8 5d 2f 8f fe       	call   0xfe8f2f76
  19:	48 89 da             	mov    %rbx,%rdx
  1c:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  23:	fc ff df
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1) <-- trapping instruction
  2e:	0f 85 bf 3d 00 00    	jne    0x3df3
  34:	48 8b 2b             	mov    (%rbx),%rbp
  37:	31 ff                	xor    %edi,%edi
  39:	48 89 ee             	mov    %rbp,%rsi
  3c:	e8                   	.byte 0xe8
  3d:	c5                   	.byte 0xc5
  3e:	2a                   	.byte 0x2a
  3f:	8f                   	.byte 0x8f