BUG: TASK stack guard page was hit at ffffc9000505ff18 (stack is ffffc90005060000..ffffc90005068000) stack guard page: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 29263 Comm: syz-executor.0 Not tainted 5.15.106-syzkaller-00249-g19c0ed55a470 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 RIP: 0010:get_populated_pcp_list+0x18/0x1ca0 mm/page_alloc.c:3162 Code: ff eb c3 e8 7e 5f 53 ff eb a4 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec a0 01 00 00 <44> 89 84 24 88 00 00 00 48 89 d3 41 89 f5 48 89 7c 24 38 65 48 8b RSP: 0018:ffffc9000505ff20 EFLAGS: 00010082 RAX: 0000000000000000 RBX: ffff8881f713b95c RCX: 0000000000000000 RDX: ffff8881f713b950 RSI: 0000000000000002 RDI: ffffffff8701b440 RBP: ffffc900050600f0 R08: 0000000000000901 R09: fffffbfff0e0374b R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000901 R13: 0000000000000246 R14: ffff8881f713b950 R15: 000000000003b950 FS: 00007efd91fae700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc9000505ff18 CR3: 000000012f434000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: Modules linked in: ---[ end trace 312f55de1265febd ]--- RIP: 0010:get_populated_pcp_list+0x18/0x1ca0 mm/page_alloc.c:3162 Code: ff eb c3 e8 7e 5f 53 ff eb a4 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 48 83 e4 e0 48 81 ec a0 01 00 00 <44> 89 84 24 88 00 00 00 48 89 d3 41 89 f5 48 89 7c 24 38 65 48 8b RSP: 0018:ffffc9000505ff20 EFLAGS: 00010082 RAX: 0000000000000000 RBX: ffff8881f713b95c RCX: 0000000000000000 RDX: ffff8881f713b950 RSI: 0000000000000002 RDI: ffffffff8701b440 RBP: ffffc900050600f0 R08: 0000000000000901 R09: fffffbfff0e0374b R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000901 R13: 0000000000000246 R14: ffff8881f713b950 R15: 000000000003b950 FS: 00007efd91fae700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc9000505ff18 CR3: 000000012f434000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: eb c3 jmp 0xffffffc5 2: e8 7e 5f 53 ff callq 0xff535f85 7: eb a4 jmp 0xffffffad 9: 0f 1f 84 00 00 00 00 nopl 0x0(%rax,%rax,1) 10: 00 11: 55 push %rbp 12: 48 89 e5 mov %rsp,%rbp 15: 41 57 push %r15 17: 41 56 push %r14 19: 41 55 push %r13 1b: 41 54 push %r12 1d: 53 push %rbx 1e: 48 83 e4 e0 and $0xffffffffffffffe0,%rsp 22: 48 81 ec a0 01 00 00 sub $0x1a0,%rsp * 29: 44 89 84 24 88 00 00 mov %r8d,0x88(%rsp) <-- trapping instruction 30: 00 31: 48 89 d3 mov %rdx,%rbx 34: 41 89 f5 mov %esi,%r13d 37: 48 89 7c 24 38 mov %rdi,0x38(%rsp) 3c: 65 gs 3d: 48 rex.W 3e: 8b .byte 0x8b