============================= [ BUG: Invalid wait context ] 6.13.0-rc7-syzkaller-00019-gc45323b7560e #0 Not tainted ----------------------------- syz.0.30/6018 is trying to lock: ffff88813fffc298 (&zone->lock){-.-.}-{3:3}, at: rmqueue_bulk mm/page_alloc.c:2309 [inline] ffff88813fffc298 (&zone->lock){-.-.}-{3:3}, at: __rmqueue_pcplist+0x4a2/0x2a90 mm/page_alloc.c:3003 other info that might help us debug this: context-{2:2} 3 locks held by syz.0.30/6018: #0: ffff88802a1b2e60 (&sig->exec_update_lock){++++}-{4:4}, at: __do_sys_perf_event_open kernel/events/core.c:12861 [inline] #0: ffff88802a1b2e60 (&sig->exec_update_lock){++++}-{4:4}, at: __se_sys_perf_event_open+0xdc6/0x34b0 kernel/events/core.c:12721 #1: ffff88807a154ca8 (&ctx->mutex){+.+.}-{4:4}, at: __do_sys_perf_event_open kernel/events/core.c:12885 [inline] #1: ffff88807a154ca8 (&ctx->mutex){+.+.}-{4:4}, at: __se_sys_perf_event_open+0x12cc/0x34b0 kernel/events/core.c:12721 #2: ffff8880b8644958 (&pcp->lock){+.+.}-{3:3}, at: spin_trylock include/linux/spinlock.h:361 [inline] #2: ffff8880b8644958 (&pcp->lock){+.+.}-{3:3}, at: rmqueue_pcplist mm/page_alloc.c:3032 [inline] #2: ffff8880b8644958 (&pcp->lock){+.+.}-{3:3}, at: rmqueue mm/page_alloc.c:3076 [inline] #2: ffff8880b8644958 (&pcp->lock){+.+.}-{3:3}, at: get_page_from_freelist+0x7d3/0x37a0 mm/page_alloc.c:3473 stack backtrace: CPU: 0 UID: 0 PID: 6018 Comm: syz.0.30 Not tainted 6.13.0-rc7-syzkaller-00019-gc45323b7560e #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 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:2309 [inline] __rmqueue_pcplist+0x4a2/0x2a90 mm/page_alloc.c:3003 rmqueue_pcplist mm/page_alloc.c:3045 [inline] rmqueue mm/page_alloc.c:3076 [inline] get_page_from_freelist+0x886/0x37a0 mm/page_alloc.c:3473 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4753 alloc_pages_mpol_noprof+0x3e1/0x780 mm/mempolicy.c:2269 stack_depot_save_flags+0x72d/0x940 lib/stackdepot.c:627 kasan_save_stack+0x4f/0x60 mm/kasan/common.c:48 __kasan_record_aux_stack+0xac/0xc0 mm/kasan/generic.c:544 task_work_add+0xd9/0x490 kernel/task_work.c:77 __perf_event_overflow+0x78d/0xdc0 kernel/events/core.c:9901 perf_swevent_hrtimer+0x3b3/0x560 kernel/events/core.c:11276 __run_hrtimer kernel/time/hrtimer.c:1739 [inline] __hrtimer_run_queues+0x551/0xd30 kernel/time/hrtimer.c:1803 hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1865 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline] __sysvec_apic_timer_interrupt+0x110/0x420 arch/x86/kernel/apic/apic.c:1055 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:generic_exec_single+0x50a/0x980 kernel/smp.c:447 Code: e8 fb 05 0c 00 90 0f 0b 90 e9 6d fe ff ff e8 ed 05 0c 00 e8 68 7e 35 0a 4d 85 e4 0f 84 52 ff ff ff e8 da 05 0c 00 fb 45 31 f6 <48> c7 44 24 20 0e 36 e0 45 4b c7 04 2f 00 00 00 00 66 43 c7 44 2f RSP: 0018:ffffc9000468f900 EFLAGS: 00000246 RAX: ffffffff81937c96 RBX: 0000000000000000 RCX: 0000000000080000 RDX: ffffc9001017e000 RSI: 00000000000002be RDI: 00000000000002bf RBP: ffffc9000468f9d0 R08: ffffffff81937bcc R09: 1ffffffff2854b31 R10: dffffc0000000000 R11: fffffbfff2854b32 R12: 0000000000000200 R13: 1ffff920008d1f24 R14: 0000000000000000 R15: dffffc0000000000 smp_call_function_single+0x3fa/0x1990 kernel/smp.c:676 task_function_call kernel/events/core.c:120 [inline] perf_install_in_context+0x71a/0xb20 kernel/events/core.c:2985 __do_sys_perf_event_open kernel/events/core.c:13070 [inline] __se_sys_perf_event_open+0x2e04/0x34b0 kernel/events/core.c:12721 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: 0033:0x7f47ba58cda9 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:00007f47b83f6038 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f47ba7a6160 RCX: 00007f47ba58cda9 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000240 RBP: 00007f47ba60e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f47ba7a6160 R15: 00007fff05089548 ---------------- Code disassembly (best guess): 0: e8 fb 05 0c 00 call 0xc0600 5: 90 nop 6: 0f 0b ud2 8: 90 nop 9: e9 6d fe ff ff jmp 0xfffffe7b e: e8 ed 05 0c 00 call 0xc0600 13: e8 68 7e 35 0a call 0xa357e80 18: 4d 85 e4 test %r12,%r12 1b: 0f 84 52 ff ff ff je 0xffffff73 21: e8 da 05 0c 00 call 0xc0600 26: fb sti 27: 45 31 f6 xor %r14d,%r14d * 2a: 48 c7 44 24 20 0e 36 movq $0x45e0360e,0x20(%rsp) <-- trapping instruction 31: e0 45 33: 4b c7 04 2f 00 00 00 movq $0x0,(%r15,%r13,1) 3a: 00 3b: 66 data16 3c: 43 rex.XB 3d: c7 .byte 0xc7 3e: 44 2f rex.R (bad)