general protection fault, probably for non-canonical address 0xdffffc0000000013: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000098-0x000000000000009f]
CPU: 1 PID: 6846 Comm: syz-executor.3 Not tainted 5.14.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:vma_start_pgoff mm/interval_tree.c:15 [inline]
RIP: 0010:avc_start_pgoff mm/interval_tree.c:63 [inline]
RIP: 0010:__anon_vma_interval_tree_insert mm/interval_tree.c:71 [inline]
RIP: 0010:anon_vma_interval_tree_insert+0x1e2/0x4c0 mm/interval_tree.c:82
Code: cc cc ff 48 8d 7b e0 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 2c 02 00 00 4c 8b 7b e0 49 8d bf 98 00 00 00 48 89 fa 48 c1 ea 03 <80> 3c 2a 00 0f 85 06 02 00 00 4d 8b bf 98 00 00 00 4c 89 ef 4c 89
RSP: 0018:ffffc90002daf950 EFLAGS: 00010202
RAX: 1ffff11000021646 RBX: ffff88800010b250 RCX: 0000000000000000
RDX: 0000000000000013 RSI: ffffffff81a9407b RDI: 0000000000000098
RBP: dffffc0000000000 R08: 000000000000819f R09: 0000000000000001
R10: ffffffff81a94068 R11: 0000000000000000 R12: 000000000000819f
R13: 0000000000008180 R14: ffff888097391bd0 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9d00000(0063) knlGS:000000000ab9a380
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000090d52c5 CR3: 00000000481b6000 CR4: 00000000001526e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 anon_vma_chain_link mm/rmap.c:152 [inline]
 anon_vma_clone+0x23f/0x5f0 mm/rmap.c:293
 anon_vma_fork+0x82/0x630 mm/rmap.c:346
 dup_mmap kernel/fork.c:569 [inline]
 dup_mm+0xa07/0x13e0 kernel/fork.c:1453
 copy_mm kernel/fork.c:1505 [inline]
 copy_process+0x6fcf/0x7580 kernel/fork.c:2194
 kernel_clone+0xe7/0xac0 kernel/fork.c:2584
 __do_compat_sys_ia32_clone+0xac/0xe0 arch/x86/kernel/sys_ia32.c:254
 do_syscall_32_irqs_on arch/x86/entry/common.c:112 [inline]
 __do_fast_syscall_32+0x65/0xf0 arch/x86/entry/common.c:178
 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203
 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c
RIP: 0023:0xf7fc6549
Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
RSP: 002b:00000000086cfd30 EFLAGS: 00000206 ORIG_RAX: 0000000000000078
RAX: ffffffffffffffda RBX: 0000000001200011 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000000ab9a3e8
RBP: 000000000816c000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace 9d994f5923c53e5f ]---
RIP: 0010:vma_start_pgoff mm/interval_tree.c:15 [inline]
RIP: 0010:avc_start_pgoff mm/interval_tree.c:63 [inline]
RIP: 0010:__anon_vma_interval_tree_insert mm/interval_tree.c:71 [inline]
RIP: 0010:anon_vma_interval_tree_insert+0x1e2/0x4c0 mm/interval_tree.c:82
Code: cc cc ff 48 8d 7b e0 48 89 f8 48 c1 e8 03 80 3c 28 00 0f 85 2c 02 00 00 4c 8b 7b e0 49 8d bf 98 00 00 00 48 89 fa 48 c1 ea 03 <80> 3c 2a 00 0f 85 06 02 00 00 4d 8b bf 98 00 00 00 4c 89 ef 4c 89
RSP: 0018:ffffc90002daf950 EFLAGS: 00010202
RAX: 1ffff11000021646 RBX: ffff88800010b250 RCX: 0000000000000000
RDX: 0000000000000013 RSI: ffffffff81a9407b RDI: 0000000000000098
RBP: dffffc0000000000 R08: 000000000000819f R09: 0000000000000001
R10: ffffffff81a94068 R11: 0000000000000000 R12: 000000000000819f
R13: 0000000000008180 R14: ffff888097391bd0 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0063) knlGS:000000000ab9a380
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 0000000009cf6404 CR3: 00000000481b6000 CR4: 00000000001526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
   0:	cc                   	int3
   1:	cc                   	int3
   2:	ff 48 8d             	decl   -0x73(%rax)
   5:	7b e0                	jnp    0xffffffe7
   7:	48 89 f8             	mov    %rdi,%rax
   a:	48 c1 e8 03          	shr    $0x3,%rax
   e:	80 3c 28 00          	cmpb   $0x0,(%rax,%rbp,1)
  12:	0f 85 2c 02 00 00    	jne    0x244
  18:	4c 8b 7b e0          	mov    -0x20(%rbx),%r15
  1c:	49 8d bf 98 00 00 00 	lea    0x98(%r15),%rdi
  23:	48 89 fa             	mov    %rdi,%rdx
  26:	48 c1 ea 03          	shr    $0x3,%rdx
* 2a:	80 3c 2a 00          	cmpb   $0x0,(%rdx,%rbp,1) <-- trapping instruction
  2e:	0f 85 06 02 00 00    	jne    0x23a
  34:	4d 8b bf 98 00 00 00 	mov    0x98(%r15),%r15
  3b:	4c 89 ef             	mov    %r13,%rdi
  3e:	4c                   	rex.WR
  3f:	89                   	.byte 0x89