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: 3875 Comm: systemd-udevd Not tainted 5.7.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
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+0x1f8/0x500 mm/interval_tree.c:82
Code: d3 ff 48 8d 7d e0 48 89 f8 48 c1 e8 03 42 80 3c 30 00 0f 85 2a 02 00 00 48 8b 45 e0 48 8d b8 98 00 00 00 48 89 fa 48 c1 ea 03 <42> 80 3c 32 00 0f 85 f9 01 00 00 48 8b b0 98 00 00 00 48 8b 7c 24
RSP: 0018:ffffc90001477940 EFLAGS: 00010202
RAX: 0000000000000000 RBX: ffff8880a1ebad20 RCX: ffffffff81a07598
RDX: 0000000000000013 RSI: ffffffff81a075b0 RDI: 0000000000000098
RBP: ffff88800010ad40 R08: ffff8880a2caa340 R09: ffffed1012f4bac3
R10: ffff888097a5d617 R11: ffffed1012f4bac2 R12: ffff888097a5d6b0
R13: 0000000000000007 R14: dffffc0000000000 R15: 0000000000000001
FS:  00007f5cabf8c8c0(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000078c000 CR3: 00000000a34db000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 anon_vma_clone+0x15a/0x480 mm/rmap.c:292
 anon_vma_fork+0x82/0x490 mm/rmap.c:345
 dup_mmap kernel/fork.c:566 [inline]
 dup_mm+0x959/0x1300 kernel/fork.c:1372
 copy_mm kernel/fork.c:1428 [inline]
 copy_process+0x29e3/0x7130 kernel/fork.c:2099
 _do_fork+0x12d/0x1010 kernel/fork.c:2444
 __do_sys_clone+0xef/0x150 kernel/fork.c:2600
 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:295
 entry_SYSCALL_64_after_hwframe+0x49/0xb3
RIP: 0033:0x7f5caaddc38b
Code: db 45 85 f6 0f 85 95 01 00 00 64 4c 8b 04 25 10 00 00 00 31 d2 4d 8d 90 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 de 00 00 00 85 c0 41 89 c5 0f 85 e5 00 00
RSP: 002b:00007ffc4b3de340 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007ffc4b3de340 RCX: 00007f5caaddc38b
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 00007ffc4b3de390 R08: 00007f5cabf8c8c0 R09: 0000000000000210
R10: 00007f5cabf8cb90 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000020 R14: 0000000000000000 R15: 0000000000000000
Modules linked in:
---[ end trace 53dec15afa6f0ea8 ]---
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+0x1f8/0x500 mm/interval_tree.c:82
Code: d3 ff 48 8d 7d e0 48 89 f8 48 c1 e8 03 42 80 3c 30 00 0f 85 2a 02 00 00 48 8b 45 e0 48 8d b8 98 00 00 00 48 89 fa 48 c1 ea 03 <42> 80 3c 32 00 0f 85 f9 01 00 00 48 8b b0 98 00 00 00 48 8b 7c 24
RSP: 0018:ffffc90001477940 EFLAGS: 00010202
RAX: 0000000000000000 RBX: ffff8880a1ebad20 RCX: ffffffff81a07598
RDX: 0000000000000013 RSI: ffffffff81a075b0 RDI: 0000000000000098
RBP: ffff88800010ad40 R08: ffff8880a2caa340 R09: ffffed1012f4bac3
R10: ffff888097a5d617 R11: ffffed1012f4bac2 R12: ffff888097a5d6b0
R13: 0000000000000007 R14: dffffc0000000000 R15: 0000000000000001
FS:  00007f5cabf8c8c0(0000) GS:ffff8880ae700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000078c000 CR3: 00000000a34db000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400