------------[ cut here ]------------ WARNING: CPU: 0 PID: 5392 at kernel/sched/fair.c:5337 place_entity+0x463/0x520 kernel/sched/fair.c:5337 Modules linked in: CPU: 0 UID: 0 PID: 5392 Comm: syz.4.22 Not tainted 6.11.0-rc4-next-20240823-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:place_entity+0x463/0x520 kernel/sched/fair.c:5337 Code: 27 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc 48 8b 3c 24 4c 89 fe e8 77 14 00 00 48 89 04 24 e9 e0 fd ff ff 90 <0f> 0b 90 41 bd 01 00 00 00 e9 22 ff ff ff 89 d9 80 e1 07 38 c1 0f RSP: 0000:ffffc90004767b30 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000100000 RDX: 0000000000000400 RSI: ffff888063b39e80 RDI: ffff888063b39f00 RBP: dffffc0000000000 R08: 00000000000003b2 R09: 1ffffffff2038375 R10: dffffc0000000000 R11: fffffbfff2038376 R12: 00000000267c33f7 R13: 0000000000000000 R14: 0000000000000000 R15: ffff888063b39e80 FS: 00005555663af500(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000110c48c38a CR3: 000000002e76a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: enqueue_entity+0x271/0x1920 kernel/sched/fair.c:5409 enqueue_task_fair+0x206/0xe30 kernel/sched/fair.c:6985 enqueue_task+0x1a5/0x300 kernel/sched/core.c:2014 activate_task kernel/sched/core.c:2056 [inline] ttwu_do_activate+0x1d1/0x7e0 kernel/sched/core.c:3665 ttwu_queue kernel/sched/core.c:3940 [inline] try_to_wake_up+0x8bc/0x1480 kernel/sched/core.c:4266 swake_up_locked kernel/sched/swait.c:29 [inline] complete_with_flags kernel/sched/completion.c:24 [inline] complete+0xac/0x1c0 kernel/sched/completion.c:47 csd_do_func kernel/smp.c:134 [inline] __flush_smp_call_function_queue+0xb88/0x1690 kernel/smp.c:571 __sysvec_call_function_single+0xb8/0x430 arch/x86/kernel/smp.c:271 instr_sysvec_call_function_single arch/x86/kernel/smp.c:266 [inline] sysvec_call_function_single+0x4f/0xc0 arch/x86/kernel/smp.c:266 asm_sysvec_call_function_single+0x1a/0x20 arch/x86/include/asm/idtentry.h:709 RIP: 0033:0x7fd12d2588f3 Code: 40 0f b6 c6 c6 44 24 1e 01 45 31 ff 45 31 e4 89 44 24 18 48 8b 7c 24 08 44 89 fa 4d 8b 4d 30 4c 89 e0 48 8d 14 d7 4e 03 0c 32 <80> 3d 8e f1 2b 00 00 4d 89 cc 4c 89 ca 74 28 25 ff 0f 00 00 83 f0 RSP: 002b:00007ffe0643c160 EFLAGS: 00000286 RAX: ffffffff8187cee3 RBX: 00007fd12e045720 RCX: ffffffff8187cedc RDX: 00007fd12ca3b2c8 RSI: ffffffff8187cedc RDI: 00007fd12ca01000 RBP: 0000000000000000 R08: 00007fd12d500000 R09: ffffffff8187cf21 R10: 000000008187cee0 R11: 0000000000000003 R12: ffffffff8187cee3 R13: 00007fd12d516018 R14: 0000000000000008 R15: 0000000000007459