------------[ cut here ]------------ debug_locks && !(lock_is_held(&(__rq_lockp(rq))->dep_map) != 0) WARNING: kernel/sched/sched.h:1665 at lockdep_assert_rq_held kernel/sched/sched.h:1665 [inline], CPU#0: migration/0/20 WARNING: kernel/sched/sched.h:1665 at lockdep_assert_rq_held kernel/sched/sched.h:1662 [inline], CPU#0: migration/0/20 WARNING: kernel/sched/sched.h:1665 at update_rq_clock+0x40a/0xd20 kernel/sched/core.c:875, CPU#0: migration/0/20 Modules linked in: CPU: 0 UID: 0 PID: 20 Comm: migration/0 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/05/2026 Stopper: 0x0 <- 0x0 RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1665 [inline] RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1662 [inline] RIP: 0010:update_rq_clock+0x40a/0xd20 kernel/sched/core.c:875 Code: ab c8 0b 00 00 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f e9 d3 ac 38 ff a8 04 0f 84 df fc ff ff 90 0f 0b 90 e9 d6 fc ff ff 90 <0f> 0b 90 e9 92 fc ff ff 4c 8d 83 c0 0b 00 00 48 b8 00 00 00 00 00 RSP: 0018:ffffc90000197c30 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffff8880b833c040 RCX: 0000000000000001 RDX: 0000000000000046 RSI: ffffffff8e3bc9cc RDI: ffffffff8c625b80 RBP: ffffc90000197dd0 R08: 0000000000000001 R09: 0000000000000001 R10: ffff8880b823cbd8 R11: 000000579649f400 R12: ffffffff9245cbe4 R13: ffff8880b833cf20 R14: ffff8880b833c040 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff888122944000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b33cfbffe CR3: 00000000397da000 CR4: 0000000000350ef0 Call Trace: pick_next_task kernel/sched/core.c:6375 [inline] __schedule+0x1c69/0x6920 kernel/sched/core.c:7199 __schedule_loop kernel/sched/core.c:7361 [inline] schedule+0xdd/0x2c0 kernel/sched/core.c:7376 smpboot_thread_fn+0x8a0/0xab0 kernel/smpboot.c:156 kthread+0x373/0x450 kernel/kthread.c:436 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245