------------[ cut here ]------------ WARNING: CPU: 0 PID: 6220 at kernel/sched/fair.c:5337 place_entity+0x463/0x520 kernel/sched/fair.c:5337 Modules linked in: CPU: 0 UID: 0 PID: 6220 Comm: syz.4.165 Not tainted 6.11.0-rc4-next-20240821-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: 0018:ffffc90002f3f430 EFLAGS: 00010046 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000100000 RDX: 0000000000000400 RSI: ffff888026023c80 RDI: ffff888026023d00 RBP: dffffc0000000000 R08: ffff8880305c47c7 R09: 1ffff110060b88f8 R10: dffffc0000000000 R11: ffffed10060b88f9 R12: 000000008d730a05 R13: 0000000000000000 R14: 0000000000000000 R15: ffff888026023c80 FS: 00007f1dd133f6c0(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f85cb016108 CR3: 0000000061782000 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 wake_up_process kernel/sched/core.c:4398 [inline] wake_up_q+0xc8/0x120 kernel/sched/core.c:1056 rwsem_wake kernel/locking/rwsem.c:1214 [inline] __up_write kernel/locking/rwsem.c:1376 [inline] up_write+0x319/0x590 kernel/locking/rwsem.c:1632 filemap_invalidate_unlock include/linux/fs.h:848 [inline] blkdev_fallocate+0x4a8/0x530 block/fops.c:846 vfs_fallocate+0x553/0x6c0 fs/open.c:334 madvise_remove mm/madvise.c:1012 [inline] madvise_vma_behavior mm/madvise.c:1036 [inline] madvise_walk_vmas mm/madvise.c:1271 [inline] do_madvise+0x1e1f/0x4760 mm/madvise.c:1467 __do_sys_madvise mm/madvise.c:1484 [inline] __se_sys_madvise mm/madvise.c:1482 [inline] __x64_sys_madvise+0xa6/0xc0 mm/madvise.c:1482 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1dd0579e79 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1dd133f038 EFLAGS: 00000246 ORIG_RAX: 000000000000001c RAX: ffffffffffffffda RBX: 00007f1dd0716058 RCX: 00007f1dd0579e79 RDX: 0000000000000009 RSI: 0000000000600002 RDI: 0000000020000000 RBP: 00007f1dd05e7916 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f1dd0716058 R15: 00007ffc63328c38