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: 289 Comm: syz-executor393 Not tainted 5.15.122-syzkaller-00676-g1463976ddc64 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023
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 b9 cb 2b 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 96 cb 2b ff 41 f6 07 01 48 89 5d
RSP: 0018:ffffc900009b7a00 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff88811d252068 RCX: ffff888117fc4f00
RDX: ffffffff81a47130 RSI: ffff88810be2a658 RDI: ffff88811d252058
RBP: ffffc900009b7a60 R08: ffffffff81a451f0 R09: ffffed10217c54cf
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff88811d252058 R14: 1ffff11023a4a40d R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555557291778 CR3: 000000011d040000 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:486
 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
 __do_sys_exit_group kernel/exit.c:1008 [inline]
 __se_sys_exit_group kernel/exit.c:1006 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1006
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f599b005339
Code: Unable to access opcode bytes at RIP 0x7f599b00530f.
RSP: 002b:00007ffd40b6fbb8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f599b005339
RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
RBP: 00007f599b08c370 R08: ffffffffffffffb0 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f599b08c370
R13: 0000000000000000 R14: 00007f599b08df60 R15: 00007f599afcacb0
 </TASK>
Modules linked in:
---[ end trace 535bce90460c5701 ]---
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 b9 cb 2b 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 96 cb 2b ff 41 f6 07 01 48 89 5d
RSP: 0018:ffffc900009b7a00 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff88811d252068 RCX: ffff888117fc4f00
RDX: ffffffff81a47130 RSI: ffff88810be2a658 RDI: ffff88811d252058
RBP: ffffc900009b7a60 R08: ffffffff81a451f0 R09: ffffed10217c54cf
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff88811d252058 R14: 1ffff11023a4a40d R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555557291778 CR3: 000000011d040000 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 b9 cb 2b ff       	call   0xff2bcbcf
  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 96 cb 2b ff       	call   0xff2bcbcf
  39:	41 f6 07 01          	testb  $0x1,(%r15)
  3d:	48                   	rex.W
  3e:	89                   	.byte 0x89
  3f:	5d                   	pop    %rbp