BUG: stack guard page was hit at ffffc90008937fe8 (stack is ffffc90008938000..ffffc9000893ffff) kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 3286 Comm: syz-executor.5 Not tainted 5.10.112-syzkaller-00287-gde64d941a71a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/12/2022 RIP: 0010:update_stack_state+0x11b/0x580 arch/x86/kernel/unwind_frame.c:205 Code: 08 49 8d 75 10 48 89 45 c0 48 01 c1 48 89 4d a0 4d 8d 65 18 49 8d 5d 28 49 8d 45 20 48 89 85 78 ff ff ff 4c 89 f0 48 c1 e8 03 <48> 89 85 68 ff ff ff 48 89 75 80 48 c1 ee 03 48 89 b5 70 ff ff ff RSP: 0018:ffffc90008937ff0 EFLAGS: 00010a02 RAX: 1ffff92001127025 RBX: ffffc90008938148 RCX: ffffc90008938120 RDX: dffffc0000000000 RSI: ffffc90008938130 RDI: ffffc90008938120 RBP: ffffc90008938088 R08: dffffc0000000001 R09: ffffc90008938120 R10: fffff52001127030 R11: 1ffff92001127024 R12: ffffc90008938138 R13: ffffc90008938120 R14: ffffc90008938128 R15: ffffc90008938158 FS: 00007f805c6f9700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90008937fe8 CR3: 000000010f96e000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: Modules linked in: ---[ end trace 9046064ad5767fdd ]--- RIP: 0010:update_stack_state+0x11b/0x580 arch/x86/kernel/unwind_frame.c:205 Code: 08 49 8d 75 10 48 89 45 c0 48 01 c1 48 89 4d a0 4d 8d 65 18 49 8d 5d 28 49 8d 45 20 48 89 85 78 ff ff ff 4c 89 f0 48 c1 e8 03 <48> 89 85 68 ff ff ff 48 89 75 80 48 c1 ee 03 48 89 b5 70 ff ff ff RSP: 0018:ffffc90008937ff0 EFLAGS: 00010a02 RAX: 1ffff92001127025 RBX: ffffc90008938148 RCX: ffffc90008938120 RDX: dffffc0000000000 RSI: ffffc90008938130 RDI: ffffc90008938120 RBP: ffffc90008938088 R08: dffffc0000000001 R09: ffffc90008938120 R10: fffff52001127030 R11: 1ffff92001127024 R12: ffffc90008938138 R13: ffffc90008938120 R14: ffffc90008938128 R15: ffffc90008938158 FS: 00007f805c6f9700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90008937fe8 CR3: 000000010f96e000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 08 49 8d or %cl,-0x73(%rcx) 3: 75 10 jne 0x15 5: 48 89 45 c0 mov %rax,-0x40(%rbp) 9: 48 01 c1 add %rax,%rcx c: 48 89 4d a0 mov %rcx,-0x60(%rbp) 10: 4d 8d 65 18 lea 0x18(%r13),%r12 14: 49 8d 5d 28 lea 0x28(%r13),%rbx 18: 49 8d 45 20 lea 0x20(%r13),%rax 1c: 48 89 85 78 ff ff ff mov %rax,-0x88(%rbp) 23: 4c 89 f0 mov %r14,%rax 26: 48 c1 e8 03 shr $0x3,%rax * 2a: 48 89 85 68 ff ff ff mov %rax,-0x98(%rbp) <-- trapping instruction 31: 48 89 75 80 mov %rsi,-0x80(%rbp) 35: 48 c1 ee 03 shr $0x3,%rsi 39: 48 89 b5 70 ff ff ff mov %rsi,-0x90(%rbp)