smpboot: Booting Node 0 Processor 1 APIC 0x1 ------------[ cut here ]------------ debug_locks && !(lock_is_held(&(__rq_lockp(rq))->dep_map) != 0) WARNING: kernel/sched/sched.h:1575 at lockdep_assert_rq_held kernel/sched/sched.h:1575 [inline], CPU#0: syz.0.64/6285 WARNING: kernel/sched/sched.h:1575 at lockdep_assert_rq_held kernel/sched/sched.h:1573 [inline], CPU#0: syz.0.64/6285 WARNING: kernel/sched/sched.h:1575 at update_rq_clock+0x34a/0xd30 kernel/sched/core.c:837, CPU#0: syz.0.64/6285 Modules linked in: CPU: 0 UID: 0 PID: 6285 Comm: syz.0.64 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1575 [inline] RIP: 0010:lockdep_assert_rq_held kernel/sched/sched.h:1573 [inline] RIP: 0010:update_rq_clock+0x34a/0xd30 kernel/sched/core.c:837 Code: ab 48 0b 00 00 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f e9 c8 79 a6 09 a8 04 0f 84 9e fd ff ff 90 0f 0b 90 e9 95 fd ff ff 90 <0f> 0b 90 e9 51 fd ff ff 48 8d bb 18 0e 00 00 48 b8 00 00 00 00 00 RSP: 0018:ffffc90003ddf400 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffff8880b853ae00 RCX: 0000000000000001 RDX: 0000000000000046 RSI: ffffffff8dc27210 RDI: ffffffff8bfa95a0 RBP: ffffc90003ddf5a8 R08: 0000000000000001 R09: 0000000000000001 R10: ffffffff90b84bd7 R11: 0000000000000001 R12: ffffffff90b87eb4 R13: ffff8880b853bc30 R14: ffff88801c70bc80 R15: ffff8880b853ae00 FS: 00007efdee0686c0(0000) GS:ffff8881245c1000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b30910ff8 CR3: 000000007ad94000 CR4: 00000000003526f0 Call Trace: pick_next_task kernel/sched/core.c:6092 [inline] __schedule+0x1b0f/0x5fa0 kernel/sched/core.c:6809 __schedule_loop kernel/sched/core.c:6949 [inline] schedule+0xdd/0x390 kernel/sched/core.c:6964 schedule_timeout+0x1b2/0x280 kernel/time/sleep_timeout.c:75 do_wait_for_common kernel/sched/completion.c:100 [inline] __wait_for_common+0x2e7/0x4c0 kernel/sched/completion.c:121 wait_for_ap_thread kernel/cpu.c:273 [inline] bringup_wait_for_ap_online kernel/cpu.c:804 [inline] cpuhp_bringup_ap+0xcb/0x10e0 kernel/cpu.c:848 cpuhp_invoke_callback+0x3ab/0x9a0 kernel/cpu.c:195 __cpuhp_invoke_callback_range+0x158/0x1d0 kernel/cpu.c:973 cpuhp_invoke_callback_range kernel/cpu.c:997 [inline] cpuhp_up_callbacks kernel/cpu.c:1028 [inline] _cpu_up+0x3f6/0x960 kernel/cpu.c:1675 cpu_up+0x1ba/0x230 kernel/cpu.c:1707 cpu_subsys_online+0x84/0x190 drivers/base/cpu.c:61 device_online+0x114/0x1c0 drivers/base/core.c:4225 online_store+0x145/0x180 drivers/base/core.c:2809 dev_attr_store+0x58/0x80 drivers/base/core.c:2437 sysfs_kf_write+0xf2/0x150 fs/sysfs/file.c:142 kernfs_fop_write_iter+0x3e0/0x5f0 fs/kernfs/file.c:352 do_iter_readv_writev+0x6ee/0x920 fs/read_write.c:829 vfs_writev+0x360/0xe10 fs/read_write.c:1059 do_writev+0x13e/0x340 fs/read_write.c:1105 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7efded19bf79 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007efdee068028 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 RAX: ffffffffffffffda RBX: 00007efded416090 RCX: 00007efded19bf79 RDX: 0000000000000008 RSI: 0000200000000100 RDI: 0000000000000003 RBP: 00007efded2327e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007efded416128 R14: 00007efded416090 R15: 00007ffc2bcd9648