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: 371 Comm: syz-executor709 Not tainted 5.15.94-syzkaller-03204-g5448b2fda85f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
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 39 6e 31 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 16 6e 31 ff 41 f6 07 01 48 89 5d
RSP: 0018:ffffc90000c376a0 EFLAGS: 00010246

RAX: dffffc0000000000 RBX: ffff88811bba3508 RCX: ffff88810c8b93c0
RDX: ffffffff81a3d410 RSI: ffff8881092cec78 RDI: ffff88811bba34f8
RBP: ffffc90000c37700 R08: ffffffff81a3b4d0 R09: ffffed1021259d93
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff88811bba34f8 R14: 1ffff110237746a1 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4597458040 CR3: 0000000120f3b000 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+0xb82/0xba0 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+0x13f/0x280 mm/memory.c:473
 exit_mmap+0x3e7/0x6f0 mm/mmap.c:3210
 __mmput+0x95/0x310 kernel/fork.c:1171
 mmput+0x5b/0x170 kernel/fork.c:1194
 exit_mm kernel/exit.c:551 [inline]
 do_exit+0xbb4/0x2b60 kernel/exit.c:862
 do_group_exit+0x141/0x310 kernel/exit.c:997
 get_signal+0x7a3/0x1630 kernel/signal.c:2891
 arch_do_signal_or_restart+0xbd/0x1680 arch/x86/kernel/signal.c:865
 handle_signal_work kernel/entry/common.c:148 [inline]
 exit_to_user_mode_loop+0xa0/0xe0 kernel/entry/common.c:172
 exit_to_user_mode_prepare+0x5a/0xa0 kernel/entry/common.c:207
 __syscall_exit_to_user_mode_work kernel/entry/common.c:289 [inline]
 syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:300
 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f45973d1419
Code: Unable to access opcode bytes at RIP 0x7f45973d13ef.
RSP: 002b:00007f45973762f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: fffffffffffffffc RBX: 00007f459745a248 RCX: 00007f45973d1419
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000040200000
RBP: 00007f459745a240 R08: 0000000000000000 R09: 0000000000003237
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f4597376300
R13: 0000000000000002 R14: 00007f4597376400 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace ca15f717750cf9f0 ]---
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 39 6e 31 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 16 6e 31 ff 41 f6 07 01 48 89 5d
RSP: 0018:ffffc90000c376a0 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff88811bba3508 RCX: ffff88810c8b93c0
RDX: ffffffff81a3d410 RSI: ffff8881092cec78 RDI: ffff88811bba34f8
RBP: ffffc90000c37700 R08: ffffffff81a3b4d0 R09: ffffed1021259d93
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff88811bba34f8 R14: 1ffff110237746a1 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f4597454994 CR3: 000000010c917000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
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 39 6e 31 ff       	callq  0xff316e4f
  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 16 6e 31 ff       	callq  0xff316e4f
  39:	41 f6 07 01          	testb  $0x1,(%r15)
  3d:	48                   	rex.W
  3e:	89                   	.byte 0x89
  3f:	5d                   	pop    %rbp