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: 2077 Comm: syz-executor Not tainted 5.15.157-syzkaller-00897-g53be7c8abe11 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
RIP: 0010:____rb_erase_color lib/rbtree.c:242 [inline]
RIP: 0010:__rb_erase_color+0x60/0xa60 lib/rbtree.c:413
Code: 03 48 89 45 c8 42 80 3c 20 00 74 08 48 89 df e8 a6 06 2b ff 4c 8b 33 4d 39 f7 0f 84 87 01 00 00 4c 89 e0 4d 89 f4 49 c1 ec 03 <41> 80 3c 04 00 74 08 4c 89 f7 e8 81 06 2b ff 48 89 5d a8 41 f6 06
RSP: 0018:ffffc90000b976a0 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff88810cd04750 RCX: ffff8881131f13c0
RDX: ffffffff81a57f70 RSI: ffff8881093314d0 RDI: ffff88811bbd73d0
RBP: ffffc90000b97700 R08: ffffffff81a56030 R09: ffffed102126629e
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff88810cd04748 R14: 0000000000000000 R15: ffff88811bbd73d0
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f42a3787476 CR3: 0000000121f5d000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 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:487
 exit_mmap+0x405/0x940 mm/mmap.c:3217
 __mmput+0x95/0x310 kernel/fork.c:1179
 mmput+0x5b/0x170 kernel/fork.c:1202
 exit_mm kernel/exit.c:552 [inline]
 do_exit+0xb9c/0x2ca0 kernel/exit.c:865
 do_group_exit+0x141/0x310 kernel/exit.c:1000
 get_signal+0x7a3/0x1630 kernel/signal.c:2896
 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
 __syscall_exit_to_user_mode_work kernel/entry/common.c:296 [inline]
 syscall_exit_to_user_mode+0x26/0x160 kernel/entry/common.c:307
 do_syscall_64+0x47/0xb0 arch/x86/entry/common.c:86
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f967dfac113
Code: Unable to access opcode bytes at RIP 0x7f967dfac0e9.
RSP: 002b:00007fffd2a7c568 EFLAGS: 00000202 ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 0000000000000824 RCX: 00007f967dfac113
RDX: 0000000040000000 RSI: 00007fffd2a7c57c RDI: 00000000ffffffff
RBP: 00007fffd2a7c57c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000000c
R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace ff87c5a0a7618427 ]---
RIP: 0010:____rb_erase_color lib/rbtree.c:242 [inline]
RIP: 0010:__rb_erase_color+0x60/0xa60 lib/rbtree.c:413
Code: 03 48 89 45 c8 42 80 3c 20 00 74 08 48 89 df e8 a6 06 2b ff 4c 8b 33 4d 39 f7 0f 84 87 01 00 00 4c 89 e0 4d 89 f4 49 c1 ec 03 <41> 80 3c 04 00 74 08 4c 89 f7 e8 81 06 2b ff 48 89 5d a8 41 f6 06
RSP: 0018:ffffc90000b976a0 EFLAGS: 00010246
RAX: dffffc0000000000 RBX: ffff88810cd04750 RCX: ffff8881131f13c0
RDX: ffffffff81a57f70 RSI: ffff8881093314d0 RDI: ffff88811bbd73d0
RBP: ffffc90000b97700 R08: ffffffff81a56030 R09: ffffed102126629e
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000000
R13: ffff88810cd04748 R14: 0000000000000000 R15: ffff88811bbd73d0
FS:  0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056348e476540 CR3: 000000015e98f000 CR4: 00000000003506a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
----------------
Code disassembly (best guess):
   0:	03 48 89             	add    -0x77(%rax),%ecx
   3:	45 c8 42 80 3c       	rex.RB enter $0x8042,$0x3c
   8:	20 00                	and    %al,(%rax)
   a:	74 08                	je     0x14
   c:	48 89 df             	mov    %rbx,%rdi
   f:	e8 a6 06 2b ff       	call   0xff2b06ba
  14:	4c 8b 33             	mov    (%rbx),%r14
  17:	4d 39 f7             	cmp    %r14,%r15
  1a:	0f 84 87 01 00 00    	je     0x1a7
  20:	4c 89 e0             	mov    %r12,%rax
  23:	4d 89 f4             	mov    %r14,%r12
  26:	49 c1 ec 03          	shr    $0x3,%r12
* 2a:	41 80 3c 04 00       	cmpb   $0x0,(%r12,%rax,1) <-- trapping instruction
  2f:	74 08                	je     0x39
  31:	4c 89 f7             	mov    %r14,%rdi
  34:	e8 81 06 2b ff       	call   0xff2b06ba
  39:	48 89 5d a8          	mov    %rbx,-0x58(%rbp)
  3d:	41                   	rex.B
  3e:	f6                   	.byte 0xf6
  3f:	06                   	(bad)