RDX: 00007f00bda4ef20 RSI: 0000000000000058 RDI: 00007f00bda4ef20
RBP: 00007f00bda4f090 R08: 0000000000000000 R09: 0000000000000058
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007f00bcde6038 R14: 00007f00bcde5fa0 R15: 00007ffe9d388e38
 </TASK>
------------[ cut here ]------------
WARNING: mm/rmap.c:480 at unlink_anon_vmas+0x701/0x730 mm/rmap.c:480, CPU#1: syz.8.4653/24369
Modules linked in:
CPU: 1 UID: 0 PID: 24369 Comm: syz.8.4653 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:unlink_anon_vmas+0x701/0x730 mm/rmap.c:480
Code: ac ff 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d e9 54 c0 56 09 cc e8 ce fb ac ff 90 0f 0b 90 e9 e2 f9 ff ff e8 c0 fb ac ff 90 <0f> 0b 90 eb d3 48 c7 c1 10 aa c4 8f 80 e1 07 80 c1 03 38 c1 0f 8c
RSP: 0018:ffffc9000d9976c0 EFLAGS: 00010293
RAX: ffffffff82146de0 RBX: dffffc0000000000 RCX: ffff8880331c5ac0
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000001 R08: 00000000ffffffff R09: 1ffffffff1c8db7a
R10: dffffc0000000000 R11: fffffbfff1c8db7b R12: 1ffff110126cb198
R13: ffff88805a5e4a40 R14: ffff888093658c90 R15: ffff888093658cb0
FS:  00007f00bda4f6c0(0000) GS:ffff888125aad000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f00bda4ef98 CR3: 000000008c0da000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 anon_vma_fork+0x4b9/0x500 mm/rmap.c:438
 dup_mmap+0x954/0x1b80 mm/mmap.c:1790
 dup_mm kernel/fork.c:1529 [inline]
 copy_mm+0x13c/0x4b0 kernel/fork.c:1581
 copy_process+0x1812/0x3ba0 kernel/fork.c:2218
 kernel_clone+0x21e/0x820 kernel/fork.c:2648
 __do_sys_clone3 kernel/fork.c:2950 [inline]
 __se_sys_clone3+0x256/0x2d0 kernel/fork.c:2929
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f00bcb8f749
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f00bda4ef08 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 0000000000000058 RCX: 00007f00bcb8f749
RDX: 00007f00bda4ef20 RSI: 0000000000000058 RDI: 00007f00bda4ef20
RBP: 00007f00bda4f090 R08: 0000000000000000 R09: 0000000000000058
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007f00bcde6038 R14: 00007f00bcde5fa0 R15: 00007ffe9d388e38
 </TASK>