general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 1 PID: 602 Comm: syz-executor.2 Not tainted 5.15.74-syzkaller-00582-g3cc69a0a0aff #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
RIP: 0010:rb_set_parent_color include/linux/rbtree_augmented.h:165 [inline]
RIP: 0010:____rb_erase_color lib/rbtree.c:359 [inline]
RIP: 0010:__rb_erase_color+0x2b6/0xb60 lib/rbtree.c:413
Code: 89 ef e8 8d 86 2c ff 48 8b 45 c8 49 89 45 00 49 89 c5 48 89 c3 48 83 cb 01 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 ff e8 5c 86 2c ff 49 89 1f 4c 89 eb 48 c1
RSP: 0018:ffffc90001197728 EFLAGS: 00010246

RAX: 0000000000000000 RBX: ffff88811b7ba181 RCX: dffffc0000000000
RDX: ffffffff81a88670 RSI: ffff88810c25f250 RDI: ffff88811b7ba180
RBP: ffffc90001197788 R08: ffffffff81a86809 R09: ffffed102184be4e
R10: ffffed102184be4e R11: 1ffff1102184be4d R12: 1ffff110219beda2
R13: ffff88811b7ba180 R14: ffff88810cdf6d10 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000004 CR3: 000000000620f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
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+0xa66/0xa80 mm/interval_tree.c:23
 __remove_shared_vm_struct mm/mmap.c:158 [inline]
 unlink_file_vma+0xd9/0xf0 mm/mmap.c:173
 free_pgtables+0x13b/0x210 mm/memory.c:456
 exit_mmap+0x3ee/0x700 mm/mmap.c:3207
 __mmput+0x95/0x300 kernel/fork.c:1171
 mmput+0x52/0x140 kernel/fork.c:1194
 exit_mm+0x54b/0x7a0 kernel/exit.c:504
 do_exit+0x63c/0x24d0 kernel/exit.c:815
 do_group_exit+0x13a/0x300 kernel/exit.c:925
 get_signal+0x77e/0x1600 kernel/signal.c:2891
 arch_do_signal_or_restart+0x9f/0x670 arch/x86/kernel/signal.c:865
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop+0xd4/0x110 kernel/entry/common.c:172
 exit_to_user_mode_prepare kernel/entry/common.c:207 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
 syscall_exit_to_user_mode+0x79/0xc0 kernel/entry/common.c:300
 do_syscall_64+0x50/0xd0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f8f57a275a9
Code: Unable to access opcode bytes at RIP 0x7f8f57a2757f.
RSP: 002b:00007f8f5799b218 EFLAGS: 00000246
 ORIG_RAX: 00000000000000ca
RAX: 0000000000000001 RBX: 00007f8f57b47f88 RCX: 00007f8f57a275a9
RDX: 00000000000f4240 RSI: 0000000000000081 RDI: 00007f8f57b47f8c
RBP: 00007f8f57b47f80 R08: 00007ffdecdac0b8 R09: 0000000000000000
R10: ffffffffffffffff R11: 0000000000000246 R12: 00007f8f57b47f8c
R13: 00007ffdeccafcef R14: 00007f8f5799b300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace 4ec0f38a4ac1d279 ]---
RIP: 0010:rb_set_parent_color include/linux/rbtree_augmented.h:165 [inline]
RIP: 0010:____rb_erase_color lib/rbtree.c:359 [inline]
RIP: 0010:__rb_erase_color+0x2b6/0xb60 lib/rbtree.c:413
Code: 89 ef e8 8d 86 2c ff 48 8b 45 c8 49 89 45 00 49 89 c5 48 89 c3 48 83 cb 01 4c 89 f8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 4c 89 ff e8 5c 86 2c ff 49 89 1f 4c 89 eb 48 c1
RSP: 0018:ffffc90001197728 EFLAGS: 00010246
RAX: 0000000000000000 RBX: ffff88811b7ba181 RCX: dffffc0000000000
RDX: ffffffff81a88670 RSI: ffff88810c25f250 RDI: ffff88811b7ba180
RBP: ffffc90001197788 R08: ffffffff81a86809 R09: ffffed102184be4e
R10: ffffed102184be4e R11: 1ffff1102184be4d R12: 1ffff110219beda2
R13: ffff88811b7ba180 R14: ffff88810cdf6d10 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000004 CR3: 000000010c9a1000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	89 ef                	mov    %ebp,%edi
   2:	e8 8d 86 2c ff       	callq  0xff2c8694
   7:	48 8b 45 c8          	mov    -0x38(%rbp),%rax
   b:	49 89 45 00          	mov    %rax,0x0(%r13)
   f:	49 89 c5             	mov    %rax,%r13
  12:	48 89 c3             	mov    %rax,%rbx
  15:	48 83 cb 01          	or     $0x1,%rbx
  19:	4c 89 f8             	mov    %r15,%rax
  1c:	48 c1 e8 03          	shr    $0x3,%rax
  20:	48 b9 00 00 00 00 00 	movabs $0xdffffc0000000000,%rcx
  27:	fc ff df
* 2a:	80 3c 08 00          	cmpb   $0x0,(%rax,%rcx,1) <-- trapping instruction
  2e:	74 08                	je     0x38
  30:	4c 89 ff             	mov    %r15,%rdi
  33:	e8 5c 86 2c ff       	callq  0xff2c8694
  38:	49 89 1f             	mov    %rbx,(%r15)
  3b:	4c 89 eb             	mov    %r13,%rbx
  3e:	48                   	rex.W
  3f:	c1                   	.byte 0xc1