BUG: stack guard page was hit at ffffc90003187f98 (stack is ffffc90003188000..ffffc9000318ffff) kernel stack overflow (double-fault): 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 796 Comm: syz-executor304 Not tainted 5.10.109-syzkaller-00693-g414e6c8e941c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__update_load_avg_se+0x40/0xb90 kernel/sched/pelt.c:372 Code: f7 49 89 fe 48 be 00 00 00 00 00 fc ff df 48 8d 7a 38 48 89 f8 48 c1 e8 03 8a 04 30 84 c0 0f 85 38 08 00 00 8b 43 38 45 31 ed <89> 45 a8 85 c0 41 0f 95 c4 48 89 5d b0 48 81 c3 58 01 00 00 48 89 RSP: 0018:ffffc90003187fa0 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffff88810c856340 RCX: dffffc0000000000 RDX: ffff88810c856340 RSI: dffffc0000000000 RDI: ffff88810c856378 RBP: ffffc90003188030 R08: 00000000000001c3 R09: fffffbfff0c5ebeb R10: fffffbfff0c5ebeb R11: 1ffffffff0c5ebea R12: dffffc0000000000 R13: 0000000000000000 R14: 0000001122634f2b R15: ffff8881f7156000 FS: 0000555555cee3c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90003187f98 CR3: 000000010eae9000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: Modules linked in: ---[ end trace 7f3e83c1acb3b509 ]--- RIP: 0010:__update_load_avg_se+0x40/0xb90 kernel/sched/pelt.c:372 Code: f7 49 89 fe 48 be 00 00 00 00 00 fc ff df 48 8d 7a 38 48 89 f8 48 c1 e8 03 8a 04 30 84 c0 0f 85 38 08 00 00 8b 43 38 45 31 ed <89> 45 a8 85 c0 41 0f 95 c4 48 89 5d b0 48 81 c3 58 01 00 00 48 89 RSP: 0018:ffffc90003187fa0 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffff88810c856340 RCX: dffffc0000000000 RDX: ffff88810c856340 RSI: dffffc0000000000 RDI: ffff88810c856378 RBP: ffffc90003188030 R08: 00000000000001c3 R09: fffffbfff0c5ebeb R10: fffffbfff0c5ebeb R11: 1ffffffff0c5ebea R12: dffffc0000000000 R13: 0000000000000000 R14: 0000001122634f2b R15: ffff8881f7156000 FS: 0000555555cee3c0(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffc90003187f98 CR3: 000000010eae9000 CR4: 00000000003506a0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 49 89 fe mov %rdi,%r14 3: 48 be 00 00 00 00 00 movabs $0xdffffc0000000000,%rsi a: fc ff df d: 48 8d 7a 38 lea 0x38(%rdx),%rdi 11: 48 89 f8 mov %rdi,%rax 14: 48 c1 e8 03 shr $0x3,%rax 18: 8a 04 30 mov (%rax,%rsi,1),%al 1b: 84 c0 test %al,%al 1d: 0f 85 38 08 00 00 jne 0x85b 23: 8b 43 38 mov 0x38(%rbx),%eax 26: 45 31 ed xor %r13d,%r13d * 29: 89 45 a8 mov %eax,-0x58(%rbp) <-- trapping instruction 2c: 85 c0 test %eax,%eax 2e: 41 0f 95 c4 setne %r12b 32: 48 89 5d b0 mov %rbx,-0x50(%rbp) 36: 48 81 c3 58 01 00 00 add $0x158,%rbx 3d: 48 rex.W 3e: 89 .byte 0x89