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: 9869 Comm: syz.0.2928 Tainted: G        W         5.15.184-syzkaller-00118-g4b77ae0e7f58 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
RIP: 0010:____rb_erase_color lib/rbtree.c:354 [inline]
RIP: 0010:__rb_erase_color+0x1e6/0xaf0 lib/rbtree.c:413
Code: 00 fc ff df 48 89 4d c0 80 3c 01 00 74 08 48 89 df e8 6e 16 3b ff 4c 8b 2b 4d 89 ef 49 c1 ef 03 48 b8 00 00 00 00 00 fc ff df <41> 80 3c 07 00 74 08 4c 89 ef e8 4b 16 3b ff 41 f6 45 00 01 48 89
RSP: 0018:ffffc90000b07640 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff88811e3a5880 RCX: 1ffff11023c74b10
RDX: ffffffff819ae7e0 RSI: 1ffff11021320641 RDI: ffff88811e3a5870
RBP: ffffc90000b076a0 R08: dffffc0000000000 R09: ffffed1021320645
R10: ffffed1021320645 R11: 1ffff11021320644 R12: 1ffff11023c74b11
R13: 0000000000000000 R14: ffff88811e3a5870 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9659025038 CR3: 0000000137929000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000200000000300 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+0xadf/0xb00 mm/interval_tree.c:23
 __remove_shared_vm_struct mm/mmap.c:159 [inline]
 unlink_file_vma+0xd7/0xf0 mm/mmap.c:174
 free_pgtables+0x139/0x280 mm/memory.c:490
 exit_mmap+0x407/0x860 mm/mmap.c:3235
 __mmput+0x93/0x320 kernel/fork.c:1180
 mmput+0x50/0x150 kernel/fork.c:1203
 exit_mm kernel/exit.c:554 [inline]
 do_exit+0x9ca/0x27a0 kernel/exit.c:867
 do_group_exit+0x141/0x310 kernel/exit.c:1002
 get_signal+0x66a/0x1480 kernel/signal.c:2907
 arch_do_signal_or_restart+0xc1/0x10f0 arch/x86/kernel/signal.c:867
 handle_signal_work kernel/entry/common.c:154 [inline]
 exit_to_user_mode_loop+0xa7/0xe0 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+0x1e4/0x270 arch/x86/kernel/traps.c:562
 asm_exc_general_protection+0x27/0x30 arch/x86/include/asm/idtentry.h:600
RIP: 0033:0x7f2c9ecf5971
Code: Unable to access opcode bytes at RIP 0x7f2c9ecf5947.
RSP: 002b:00002000000003b0 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f2c9ef1cfa0 RCX: 00007f2c9ecf5969
RDX: 00002000000003c0 RSI: 00002000000003b0 RDI: 0000000000080000
RBP: 00007f2c9ed77ab1 R08: 0000200000000540 R09: 0000200000000540
R10: 0000200000000400 R11: 0000000000000206 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f2c9ef1cfa0 R15: 00007fffc3a49448
 </TASK>
Modules linked in:
---[ end trace 2b4f1b2b6cd3e37f ]---
RIP: 0010:____rb_erase_color lib/rbtree.c:354 [inline]
RIP: 0010:__rb_erase_color+0x1e6/0xaf0 lib/rbtree.c:413
Code: 00 fc ff df 48 89 4d c0 80 3c 01 00 74 08 48 89 df e8 6e 16 3b ff 4c 8b 2b 4d 89 ef 49 c1 ef 03 48 b8 00 00 00 00 00 fc ff df <41> 80 3c 07 00 74 08 4c 89 ef e8 4b 16 3b ff 41 f6 45 00 01 48 89
RSP: 0018:ffffc90000b07640 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff88811e3a5880 RCX: 1ffff11023c74b10
RDX: ffffffff819ae7e0 RSI: 1ffff11021320641 RDI: ffff88811e3a5870
RBP: ffffc90000b076a0 R08: dffffc0000000000 R09: ffffed1021320645
R10: ffffed1021320645 R11: 1ffff11021320644 R12: 1ffff11023c74b11
R13: 0000000000000000 R14: ffff88811e3a5870 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9659025038 CR3: 000000010d1dd000 CR4: 00000000003506b0
DR0: 0000000000000000 DR1: 0000200000000300 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
----------------
Code disassembly (best guess), 3 bytes skipped:
   0:	df 48 89             	fisttps -0x77(%rax)
   3:	4d c0 80 3c 01 00 74 	rex.WRB rolb $0x8,0x7400013c(%r8)
   a:	08
   b:	48 89 df             	mov    %rbx,%rdi
   e:	e8 6e 16 3b ff       	call   0xff3b1681
  13:	4c 8b 2b             	mov    (%rbx),%r13
  16:	4d 89 ef             	mov    %r13,%r15
  19:	49 c1 ef 03          	shr    $0x3,%r15
  1d:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
  24:	fc ff df
* 27:	41 80 3c 07 00       	cmpb   $0x0,(%r15,%rax,1) <-- trapping instruction
  2c:	74 08                	je     0x36
  2e:	4c 89 ef             	mov    %r13,%rdi
  31:	e8 4b 16 3b ff       	call   0xff3b1681
  36:	41 f6 45 00 01       	testb  $0x1,0x0(%r13)
  3b:	48                   	rex.W
  3c:	89                   	.byte 0x89