============================= [ BUG: Invalid wait context ] 6.12.0-syzkaller-g28eb75e178d3 #0 Not tainted ----------------------------- syz.0.309/6351 is trying to lock: ffff88813fffc298 (&zone->lock){-.-.}-{3:3}, at: rmqueue_bulk mm/page_alloc.c:2307 [inline] ffff88813fffc298 (&zone->lock){-.-.}-{3:3}, at: __rmqueue_pcplist+0x4a2/0x2a80 mm/page_alloc.c:3001 other info that might help us debug this: context-{5:5} 3 locks held by syz.0.309/6351: #0: ffff8880b873e8d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598 #1: ffffffff8e93c860 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #1: ffffffff8e93c860 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #1: ffffffff8e93c860 (rcu_read_lock){....}-{1:3}, at: do_perf_sw_event kernel/events/core.c:10142 [inline] #1: ffffffff8e93c860 (rcu_read_lock){....}-{1:3}, at: ___perf_sw_event+0x1bd/0x730 kernel/events/core.c:10176 #2: ffff8880b8744958 (&pcp->lock){+.+.}-{3:3}, at: spin_trylock include/linux/spinlock.h:361 [inline] #2: ffff8880b8744958 (&pcp->lock){+.+.}-{3:3}, at: rmqueue_pcplist mm/page_alloc.c:3030 [inline] #2: ffff8880b8744958 (&pcp->lock){+.+.}-{3:3}, at: rmqueue mm/page_alloc.c:3074 [inline] #2: ffff8880b8744958 (&pcp->lock){+.+.}-{3:3}, at: get_page_from_freelist+0x7d3/0x3790 mm/page_alloc.c:3471 stack backtrace: CPU: 1 UID: 0 PID: 6351 Comm: syz.0.309 Not tainted 6.12.0-syzkaller-g28eb75e178d3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_lock_invalid_wait_context kernel/locking/lockdep.c:4826 [inline] check_wait_context kernel/locking/lockdep.c:4898 [inline] __lock_acquire+0x15a8/0x2100 kernel/locking/lockdep.c:5176 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162 rmqueue_bulk mm/page_alloc.c:2307 [inline] __rmqueue_pcplist+0x4a2/0x2a80 mm/page_alloc.c:3001 rmqueue_pcplist mm/page_alloc.c:3043 [inline] rmqueue mm/page_alloc.c:3074 [inline] get_page_from_freelist+0x886/0x3790 mm/page_alloc.c:3471 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4751 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265 stack_depot_save_flags+0x666/0x830 lib/stackdepot.c:627 kasan_save_stack+0x4f/0x60 mm/kasan/common.c:48 __kasan_record_aux_stack+0xac/0xc0 mm/kasan/generic.c:541 task_work_add+0xd9/0x490 kernel/task_work.c:77 __perf_event_overflow+0x78d/0xdc0 kernel/events/core.c:9908 perf_swevent_event+0x317/0x680 do_perf_sw_event kernel/events/core.c:10149 [inline] ___perf_sw_event+0x4f3/0x730 kernel/events/core.c:10176 __perf_sw_event_sched include/linux/perf_event.h:1497 [inline] perf_event_task_sched_out include/linux/perf_event.h:1530 [inline] prepare_task_switch kernel/sched/core.c:5173 [inline] context_switch kernel/sched/core.c:5316 [inline] __schedule+0x23df/0x4c30 kernel/sched/core.c:6756 preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6935 preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6959 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12 unwind_next_frame+0x18f8/0x22d0 arch/x86/kernel/unwind_orc.c:672 arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 unpoison_slab_object mm/kasan/common.c:319 [inline] __kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:345 kasan_slab_alloc include/linux/kasan.h:247 [inline] slab_post_alloc_hook mm/slub.c:4085 [inline] slab_alloc_node mm/slub.c:4134 [inline] kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4141 lsm_inode_alloc security/security.c:755 [inline] security_inode_alloc+0x37/0x310 security/security.c:1691 inode_init_always_gfp+0xa0f/0xd90 fs/inode.c:306 inode_init_always include/linux/fs.h:3121 [inline] alloc_inode+0x9f/0x1a0 fs/inode.c:343 sock_alloc net/socket.c:615 [inline] __sock_create+0x127/0xa30 net/socket.c:1522 sock_create net/socket.c:1616 [inline] __sys_socketpair+0x2ca/0x720 net/socket.c:1763 __do_sys_socketpair net/socket.c:1816 [inline] __se_sys_socketpair net/socket.c:1813 [inline] __x64_sys_socketpair+0x9b/0xb0 net/socket.c:1813 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: 0033:0x7f54cd37e819 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:00007ffe3ccbcd58 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007f54cd535fa0 RCX: 00007f54cd37e819 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000001 RBP: 00007f54cd3f175e R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000180 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f54cd535fa0 R14: 00007f54cd535fa0 R15: 00000000000012ff