------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(1) WARNING: CPU: 0 PID: 18407 at kernel/locking/lockdep.c:234 hlock_class kernel/locking/lockdep.c:234 [inline] WARNING: CPU: 0 PID: 18407 at kernel/locking/lockdep.c:234 check_wait_context kernel/locking/lockdep.c:4852 [inline] WARNING: CPU: 0 PID: 18407 at kernel/locking/lockdep.c:234 __lock_acquire+0x564/0x2100 kernel/locking/lockdep.c:5178 Modules linked in: CPU: 0 UID: 0 PID: 18407 Comm: kworker/u8:35 Not tainted 6.14.0-rc7-syzkaller-00205-g586de92313fc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 Workqueue: events_unbound toggle_allocation_gate RIP: 0010:hlock_class kernel/locking/lockdep.c:234 [inline] RIP: 0010:check_wait_context kernel/locking/lockdep.c:4852 [inline] RIP: 0010:__lock_acquire+0x564/0x2100 kernel/locking/lockdep.c:5178 Code: 00 00 83 3d b1 4f a0 0e 00 75 23 90 48 c7 c7 40 b2 2a 8c 48 c7 c6 40 b5 2a 8c e8 47 bd e4 ff 48 ba 00 00 00 00 00 fc ff df 90 <0f> 0b 90 90 90 31 db 48 81 c3 c4 00 00 00 48 89 d8 48 c1 e8 03 0f RSP: 0018:ffffc90004a87370 EFLAGS: 00010046 RAX: 43ca964aec0d6100 RBX: 0000000000001b20 RCX: ffff888070b55a00 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00000000000c1b20 R08: ffffffff81819e52 R09: fffffbfff1d3a69c R10: dffffc0000000000 R11: fffffbfff1d3a69c R12: ffff888070b564d4 R13: 0000000000000014 R14: 1ffff1100e16acb6 R15: ffff888070b565b0 FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2dd17ff8 CR3: 00000000560bc000 CR4: 0000000000350ef0 Call Trace: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 _raw_spin_lock_nested+0x31/0x40 kernel/locking/spinlock.c:378 raw_spin_rq_lock_nested+0xb0/0x140 kernel/sched/core.c:606 raw_spin_rq_lock kernel/sched/sched.h:1521 [inline] rq_lock kernel/sched/sched.h:1852 [inline] __schedule+0x357/0x4c90 kernel/sched/core.c:6688 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7087 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354 asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:707 RIP: 0010:jump_entry_key include/linux/jump_label.h:136 [inline] RIP: 0010:__jump_label_update+0x46/0x3a0 kernel/jump_label.c:508 Code: 20 e8 fe b8 c8 ff 48 89 6c 24 18 48 39 eb 0f 83 3d 03 00 00 49 be 00 00 00 00 00 fc ff df 45 31 e4 48 89 5c 24 08 4a 8d 0c 23 <4e> 8d 6c 23 08 4d 89 ef 49 c1 ef 03 43 80 3c 37 00 48 89 0c 24 74 RSP: 0018:ffffc90004a879a8 EFLAGS: 00000202 RAX: ffffffff81f9294d RBX: ffffffff8e5e4790 RCX: ffffffff8e5e4810 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffc90004a87900 RBP: 000000000c0d9d99 R08: ffffc90004a87907 R09: 1ffff92000950f20 R10: dffffc0000000000 R11: fffff52000950f21 R12: 0000000000000080 R13: ffffffff8e5e4808 R14: dffffc0000000000 R15: 1ffffffff1cbc901 static_key_enable_cpuslocked+0x136/0x260 kernel/jump_label.c:210 static_key_enable+0x1a/0x20 kernel/jump_label.c:223 toggle_allocation_gate+0xbc/0x260 mm/kfence/core.c:850 process_one_work kernel/workqueue.c:3238 [inline] process_scheduled_works+0xac0/0x18e0 kernel/workqueue.c:3319 worker_thread+0x870/0xd30 kernel/workqueue.c:3400 kthread+0x7ab/0x920 kernel/kthread.c:464 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: e8 fe b8 c8 ff call 0xffc8b903 5: 48 89 6c 24 18 mov %rbp,0x18(%rsp) a: 48 39 eb cmp %rbp,%rbx d: 0f 83 3d 03 00 00 jae 0x350 13: 49 be 00 00 00 00 00 movabs $0xdffffc0000000000,%r14 1a: fc ff df 1d: 45 31 e4 xor %r12d,%r12d 20: 48 89 5c 24 08 mov %rbx,0x8(%rsp) 25: 4a 8d 0c 23 lea (%rbx,%r12,1),%rcx * 29: 4e 8d 6c 23 08 lea 0x8(%rbx,%r12,1),%r13 <-- trapping instruction 2e: 4d 89 ef mov %r13,%r15 31: 49 c1 ef 03 shr $0x3,%r15 35: 43 80 3c 37 00 cmpb $0x0,(%r15,%r14,1) 3a: 48 89 0c 24 mov %rcx,(%rsp) 3e: 74 .byte 0x74