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: 4823 Comm: syz.3.1224 Not tainted 5.15.178-syzkaller-00013-g7d1f9b5c2ff5 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:____rb_erase_color lib/rbtree.c:354 [inline]
RIP: 0010:__rb_erase_color+0x20b/0xa60 lib/rbtree.c:413
Code: 49 89 de 49 c1 ee 03 43 80 3c 26 00 74 08 48 89 df e8 49 74 2a ff 4c 8b 3b 4d 89 fc 49 c1 ec 03 48 b8 00 00 00 00 00 fc ff df <41> 80 3c 04 00 74 08 4c 89 ff e8 26 74 2a ff 41 f6 07 01 48 89 5d
RSP: 0018:ffffc90000b17580 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff888112385bf8 RCX: ffff888118a13b40
RDX: ffffffff81a59790 RSI: ffff888109936c78 RDI: ffff888112385be8
RBP: ffffc90000b175e0 R08: ffffffff81a57850 R09: ffffed1021326d93
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff888112385be8 R14: 1ffff11022470b7f R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000006a0f000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 00000000000000fd DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 rb_erase_augmented include/linux/rbtree_augmented.h:305 [inline]
 rb_erase_augmented_cached include/linux/rbtree_augmented.h:314 [inline]
 vma_interval_tree_remove+0xb82/0xba0 mm/interval_tree.c:23
 __remove_shared_vm_struct mm/mmap.c:159 [inline]
 unlink_file_vma+0xd9/0xf0 mm/mmap.c:174
 free_pgtables+0x13f/0x280 mm/memory.c:490
 exit_mmap+0x47c/0x990 mm/mmap.c:3235
 __mmput+0x95/0x310 kernel/fork.c:1180
 mmput+0x5b/0x170 kernel/fork.c:1203
 exit_mm kernel/exit.c:554 [inline]
 do_exit+0xb9c/0x2ca0 kernel/exit.c:867
 do_group_exit+0x141/0x310 kernel/exit.c:1002
 get_signal+0x7a3/0x1630 kernel/signal.c:2907
 arch_do_signal_or_restart+0xbd/0x1680 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0xa0/0xe0 kernel/entry/common.c:178
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:214
 irqentry_exit_to_user_mode+0x9/0x10 kernel/entry/common.c:320
 irqentry_exit+0x12/0x40 kernel/entry/common.c:411
 exc_general_protection+0x327/0x4b0 arch/x86/kernel/traps.c:562
 asm_exc_general_protection+0x27/0x30 arch/x86/include/asm/idtentry.h:600
RIP: 0033:0x7f8ef8b7c171
Code: Unable to access opcode bytes at RIP 0x7f8ef8b7c147.
RSP: 002b:00002000000000f0 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f8ef8d94fa0 RCX: 00007f8ef8b7c169
RDX: 0000200000000100 RSI: 00002000000000f0 RDI: 0000000000000000
RBP: 00007f8ef8bfd2a0 R08: 0000200000000180 R09: 0000200000000180
R10: 0000200000000140 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f8ef8d94fa0 R15: 00007ffea26c1728
 </TASK>
Modules linked in:
---[ end trace 9d561af15b5fbb8a ]---
RIP: 0010:____rb_erase_color lib/rbtree.c:354 [inline]
RIP: 0010:__rb_erase_color+0x20b/0xa60 lib/rbtree.c:413
Code: 49 89 de 49 c1 ee 03 43 80 3c 26 00 74 08 48 89 df e8 49 74 2a ff 4c 8b 3b 4d 89 fc 49 c1 ec 03 48 b8 00 00 00 00 00 fc ff df <41> 80 3c 04 00 74 08 4c 89 ff e8 26 74 2a ff 41 f6 07 01 48 89 5d
RSP: 0018:ffffc90000b17580 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff888112385bf8 RCX: ffff888118a13b40
RDX: ffffffff81a59790 RSI: ffff888109936c78 RDI: ffff888112385be8
RBP: ffffc90000b175e0 R08: ffffffff81a57850 R09: ffffed1021326d93
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff888112385be8 R14: 1ffff11022470b7f R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000010d00b000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 00000000000000fd DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
----------------
Code disassembly (best guess):
   0:	49 89 de             	mov    %rbx,%r14
   3:	49 c1 ee 03          	shr    $0x3,%r14
   7:	43 80 3c 26 00       	cmpb   $0x0,(%r14,%r12,1)
   c:	74 08                	je     0x16
   e:	48 89 df             	mov    %rbx,%rdi
  11:	e8 49 74 2a ff       	call   0xff2a745f
  16:	4c 8b 3b             	mov    (%rbx),%r15
  19:	4d 89 fc             	mov    %r15,%r12
  1c:	49 c1 ec 03          	shr    $0x3,%r12
  20:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  27:	fc ff df
* 2a:	41 80 3c 04 00       	cmpb   $0x0,(%r12,%rax,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	4c 89 ff             	mov    %r15,%rdi
  34:	e8 26 74 2a ff       	call   0xff2a745f
  39:	41 f6 07 01          	testb  $0x1,(%r15)
  3d:	48                   	rex.W
  3e:	89                   	.byte 0x89
  3f:	5d                   	pop    %rbp