BUG: stack guard page was hit at ffffc90003197f38 (stack is ffffc90003198000..ffffc9000319ffff) kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 1001 Comm: syz-executor.1 Not tainted 5.10.102-syzkaller-00171-ge1b86e7f5cbb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:find_get_entry+0x3e/0x560 mm/filemap.c:1696 Code: e0 00 00 00 49 89 f6 48 89 fb 65 48 8b 04 25 28 00 00 00 48 89 84 24 c0 00 00 00 49 bf 00 00 00 00 00 fc ff df 4c 8d 64 24 60 <48> c7 44 24 40 b3 8a b5 41 48 c7 44 24 48 fc a3 c9 85 48 c7 44 24 RSP: 0018:ffffc90003197f40 EFLAGS: 00010282 RAX: dea9c77ba91e3900 RBX: ffff8881212c3850 RCX: ffff88810c8993c0 RDX: ffff88810c8993c0 RSI: 0000000000000000 RDI: ffff8881212c3850 RBP: ffffc90003198058 R08: ffffffff818f9062 R09: ffffed1021913279 R10: ffffed1021913279 R11: 0000000000000000 R12: ffffc90003197fa0 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007f9f180ae700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90003197f38 CR3: 00000001172dc000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: Modules linked in: ---[ end trace 49f633c1f9113836 ]--- RIP: 0010:find_get_entry+0x3e/0x560 mm/filemap.c:1696 Code: e0 00 00 00 49 89 f6 48 89 fb 65 48 8b 04 25 28 00 00 00 48 89 84 24 c0 00 00 00 49 bf 00 00 00 00 00 fc ff df 4c 8d 64 24 60 <48> c7 44 24 40 b3 8a b5 41 48 c7 44 24 48 fc a3 c9 85 48 c7 44 24 RSP: 0018:ffffc90003197f40 EFLAGS: 00010282 RAX: dea9c77ba91e3900 RBX: ffff8881212c3850 RCX: ffff88810c8993c0 RDX: ffff88810c8993c0 RSI: 0000000000000000 RDI: ffff8881212c3850 RBP: ffffc90003198058 R08: ffffffff818f9062 R09: ffffed1021913279 R10: ffffed1021913279 R11: 0000000000000000 R12: ffffc90003197fa0 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007f9f180ae700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90003197f38 CR3: 00000001172dc000 CR4: 00000000003506b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: e0 00 loopne 0x2 2: 00 00 add %al,(%rax) 4: 49 89 f6 mov %rsi,%r14 7: 48 89 fb mov %rdi,%rbx a: 65 48 8b 04 25 28 00 mov %gs:0x28,%rax 11: 00 00 13: 48 89 84 24 c0 00 00 mov %rax,0xc0(%rsp) 1a: 00 1b: 49 bf 00 00 00 00 00 movabs $0xdffffc0000000000,%r15 22: fc ff df 25: 4c 8d 64 24 60 lea 0x60(%rsp),%r12 * 2a: 48 c7 44 24 40 b3 8a movq $0x41b58ab3,0x40(%rsp) <-- trapping instruction 31: b5 41 33: 48 c7 44 24 48 fc a3 movq $0xffffffff85c9a3fc,0x48(%rsp) 3a: c9 85 3c: 48 rex.W 3d: c7 .byte 0xc7 3e: 44 rex.R 3f: 24 .byte 0x24