Hi Kernel Maintainers, Our tool found the following kernel bug "INFO: rcu detected stall in x64_sys_call" HEAD Commit: 6b0f8db921abf0520081d779876d3a41069dab95 Merge tag 'execve-v6.11-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux console output: https://github.com/androidAppGuard/KernelBugs/blob/main/6b0f8db921abf0520081d779876d3a41069dab95/51cc94811ebd073cf5874f118692256ef1eadf90/repro.log kernel config: https://github.com/androidAppGuard/KernelBugs/blob/main/6b0f8db921abf0520081d779876d3a41069dab95/.config syz repro: https://github.com/androidAppGuard/KernelBugs/blob/main/6b0f8db921abf0520081d779876d3a41069dab95/51cc94811ebd073cf5874f118692256ef1eadf90/repro.prog C reproducer: https://github.com/androidAppGuard/KernelBugs/blob/main/6b0f8db921abf0520081d779876d3a41069dab95/51cc94811ebd073cf5874f118692256ef1eadf90/repro.cprog Please let me know if there is anything I can help. Best, Hui Guo ====================================[cut here]=========================================== rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P8894/1:b..l P47/1:b..l rcu: (detected by 1, t=10502 jiffies, g=11937, q=81 ncpus=2) task:kworker/1:1 state:R running task stack:25680 pid:47 tgid:47 ppid:2 flags:0x00004000 Workqueue: events request_firmware_work_func Call Trace: <TASK> context_switch data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/sched/core.c:5188 [inline] __schedule+0xc3f/0x5390 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/sched/core.c:6529 preempt_schedule_common+0x44/0xb0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/sched/core.c:6708 preempt_schedule_thunk+0x1a/0x30 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/arch/x86/entry/thunk.S:12 unwind_next_frame+0x1108/0x2220 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/arch/x86/kernel/unwind_orc.c:672 arch_stack_walk+0xe6/0x160 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8f/0xc0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/stacktrace.c:122 save_stack+0x153/0x1e0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/page_owner.c:156 __reset_page_owner+0x8d/0x400 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/page_owner.c:297 reset_page_owner data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/./include/linux/page_owner.h:25 [inline] free_pages_prepare data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/page_alloc.c:1094 [inline] free_unref_page+0x655/0xe40 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/page_alloc.c:2612 qlink_free data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x50/0x150 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x192/0x1e0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x67/0x90 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/kasan/common.c:322 kasan_slab_alloc data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/./include/linux/kasan.h:201 [inline] slab_post_alloc_hook data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/slub.c:3988 [inline] slab_alloc_node data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/slub.c:4037 [inline] __kmalloc_cache_noprof+0x121/0x320 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/slub.c:4184 kmalloc_noprof data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/./include/linux/slab.h:681 [inline] dummy_urb_enqueue+0x8d/0x920 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/drivers/usb/gadget/udc/dummy_hcd.c:1271 usb_hcd_submit_urb+0x2be/0x2170 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/drivers/usb/core/hcd.c:1533 usb_submit_urb+0x86b/0x1730 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/drivers/usb/core/urb.c:581 ath9k_hif_usb_alloc_reg_in_urbs data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/drivers/net/wireless/ath/ath9k/hif_usb.c:1010 [inline] ath9k_hif_usb_alloc_urbs+0xad2/0x1060 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/drivers/net/wireless/ath/ath9k/hif_usb.c:1050 ath9k_hif_usb_dev_init data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/drivers/net/wireless/ath/ath9k/hif_usb.c:1136 [inline] ath9k_hif_usb_firmware_cb+0x146/0x620 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/drivers/net/wireless/ath/ath9k/hif_usb.c:1269 request_firmware_work_func+0x133/0x240 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/drivers/base/firmware_loader/main.c:1167 process_one_work+0x95a/0x1ad0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/workqueue.c:3231 process_scheduled_works data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/workqueue.c:3312 [inline] worker_thread+0x680/0xeb0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/workqueue.c:3390 kthread+0x2ca/0x3b0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/kthread.c:389 ret_from_fork+0x48/0x80 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/arch/x86/entry/entry_64.S:244 </TASK> task:syz-executor356 state:R running task stack:27696 pid:8894 tgid:8894 ppid:8369 flags:0x00004002 Call Trace: <TASK> context_switch data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/sched/core.c:5188 [inline] __schedule+0xc3f/0x5390 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/sched/core.c:6529 preempt_schedule_irq+0x51/0x90 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/sched/core.c:6851 irqentry_exit+0x36/0x90 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/entry/common.c:354 asm_sysvec_apic_timer_interrupt+0x1a/0x20 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/./arch/x86/include/asm/idtentry.h:702 RIP: 0010:lock_acquire+0x1f8/0x590 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/locking/lockdep.c:5727 Code: f6 99 7e 83 f8 01 0f 85 09 03 00 00 9c 58 f6 c4 02 0f 85 f4 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24 RSP: 0018:ffffc9000d6f7508 EFLAGS: 00000206 RAX: dffffc0000000000 RBX: 1ffff92001adeea4 RCX: 1ffff92001adee89 RDX: 1ffff11008f1a51b RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff28714d8 R10: ffffffff9438a6c7 R11: 0000000000000000 R12: 0000000000000002 R13: 0000000000000000 R14: ffffffff8dbb8d60 R15: 0000000000000000 rcu_lock_acquire data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/./include/linux/rcupdate.h:326 [inline] rcu_read_lock data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/./include/linux/rcupdate.h:838 [inline] is_bpf_text_address+0x38/0x1a0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/./kernel/bpf/core.c:767 kernel_text_address data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/extable.c:125 [inline] kernel_text_address+0x41/0x90 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/extable.c:94 __kernel_text_address+0xd/0x40 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/extable.c:79 unwind_get_return_address data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/arch/x86/kernel/unwind_orc.c:369 [inline] unwind_get_return_address+0x7d/0xe0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/arch/x86/kernel/unwind_orc.c:364 arch_stack_walk+0xa2/0x160 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/arch/x86/kernel/stacktrace.c:26 stack_trace_save+0x8f/0xc0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/stacktrace.c:122 kasan_save_stack+0x24/0x50 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/kasan/common.c:47 kasan_save_track+0x14/0x30 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/kasan/common.c:68 kasan_save_free_info+0x3b/0x60 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/kasan/generic.c:579 poison_slab_object data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/kasan/common.c:240 [inline] poison_slab_object+0xf9/0x180 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/kasan/common.c:211 __kasan_slab_free+0x33/0x50 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/kasan/common.c:256 kasan_slab_free data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/./include/linux/kasan.h:184 [inline] slab_free_hook data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/slub.c:2252 [inline] slab_free data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/slub.c:4473 [inline] kmem_cache_free+0x12a/0x3a0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/slub.c:4548 anon_vma_chain_free data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/rmap.c:147 [inline] unlink_anon_vmas+0x457/0x890 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/rmap.c:447 free_pgtables+0xc8/0x8f0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/memory.c:388 exit_mmap+0x3c7/0xb30 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/mmap.c:3423 __mmput+0x128/0x480 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/fork.c:1345 mmput+0x60/0x70 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/fork.c:1367 exit_mm data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/exit.c:571 [inline] do_exit+0x9b3/0x2b40 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/exit.c:869 do_group_exit+0xd3/0x2a0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/exit.c:1031 __do_sys_exit_group data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/exit.c:1042 [inline] __se_sys_exit_group data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/exit.c:1040 [inline] __x64_sys_exit_group+0x3e/0x50 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/exit.c:1040 x64_sys_call+0x1832/0x1840 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/./arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcb/0x250 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdbb0458421 RSP: 002b:00007ffd20d4abf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fdbb04df270 RCX: 00007fdbb0458421 RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000 RBP: 0000000000000000 R08: ffffffffffffffb8 R09: 00382e6364755f79 R10: 0000000000000011 R11: 0000000000000246 R12: 00007fdbb04df270 R13: 0000000000000000 R14: 00007fdbb04e4000 R15: 00007fdbb040c770 </TASK> rcu: rcu_preempt kthread starved for 620 jiffies! g11937 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:27584 pid:17 tgid:17 ppid:2 flags:0x00004000 Call Trace: <TASK> context_switch data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/sched/core.c:5188 [inline] __schedule+0xc3f/0x5390 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/sched/core.c:6529 __schedule_loop data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/sched/core.c:6606 [inline] schedule+0xe7/0x350 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/sched/core.c:6621 schedule_timeout+0x128/0x290 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/time/timer.c:2581 rcu_gp_fqs_loop+0x18f/0xa10 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/rcu/tree.c:2034 rcu_gp_kthread+0x273/0x370 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/rcu/tree.c:2236 kthread+0x2ca/0x3b0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/kthread.c:389 ret_from_fork+0x48/0x80 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/arch/x86/entry/entry_64.S:244 </TASK> rcu: Stack dump where RCU GP kthread last ran: Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 88 Comm: kswapd0 Not tainted 6.11.0-rc3-00013-g6b0f8db921ab #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.15.0-1 04/01/2014 RIP: 0010:unwind_next_frame+0x4eb/0x2220 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/arch/x86/kernel/unwind_orc.c:505 Code: 00 00 00 00 fc ff df 4c 89 ea 48 c1 ea 03 0f b6 04 02 4c 89 ea 83 e2 07 38 d0 7f 08 84 c0 0f 85 63 19 00 00 45 0f b6 7c 24 05 <31> ff 41 83 e7 07 44 89 fe e8 c7 0b 4e 00 45 84 ff 0f 84 95 fe ff RSP: 0018:ffffc90000006e28 EFLAGS: 00000046 RAX: 0000000000000000 RBX: ffffc90000006ea0 RCX: ffffffff813bf384 RDX: 0000000000000005 RSI: ffffffff813c0309 RDI: 0000000000000006 RBP: 0000000000000001 R08: 0000000000000820 R09: 0000000000000000 R10: ffffffff81e72e95 R11: 0000000000000000 R12: ffffffff908d9118 R13: ffffffff908d911d R14: ffffc90000006ed5 R15: 0000000000000002 FS: 0000000000000000(0000) GS:ffff88802c400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fea1e094e84 CR3: 000000001c9a6000 CR4: 0000000000350ef0 Call Trace: <NMI> </NMI> <IRQ> arch_stack_walk+0xe6/0x160 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8f/0xc0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/stacktrace.c:122 kasan_save_stack+0x24/0x50 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/kasan/common.c:47 kasan_save_track+0x14/0x30 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/kasan/common.c:68 poison_kmalloc_redzone data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/kasan/common.c:370 [inline] __kasan_kmalloc+0xaa/0xb0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/kasan/common.c:387 kmalloc_noprof data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/./include/linux/slab.h:681 [inline] dummy_urb_enqueue+0x8d/0x920 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/drivers/usb/gadget/udc/dummy_hcd.c:1271 usb_hcd_submit_urb+0x2be/0x2170 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/drivers/usb/core/hcd.c:1533 usb_submit_urb+0x86b/0x1730 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/drivers/usb/core/urb.c:581 ath9k_hif_usb_reg_in_cb+0x493/0x690 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/drivers/net/wireless/ath/ath9k/hif_usb.c:792 __usb_hcd_giveback_urb+0x38a/0x6d0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/drivers/usb/core/hcd.c:1650 usb_hcd_giveback_urb+0x39b/0x460 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/drivers/usb/core/hcd.c:1734 dummy_timer+0x12e6/0x31f0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/drivers/usb/gadget/udc/dummy_hcd.c:1987 __run_hrtimer data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/time/hrtimer.c:1689 [inline] __hrtimer_run_queues+0x212/0xcc0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/time/hrtimer.c:1753 hrtimer_interrupt+0x320/0x7b0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/time/hrtimer.c:1815 local_apic_timer_interrupt data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/arch/x86/kernel/apic/apic.c:1032 [inline] __sysvec_apic_timer_interrupt+0x114/0x460 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/arch/x86/kernel/apic/apic.c:1049 instr_sysvec_apic_timer_interrupt data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x45/0xb0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/./arch/x86/include/asm/idtentry.h:702 RIP: 0010:pv_wait_head_or_lock data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/locking/qspinlock_paravirt.h:430 [inline] RIP: 0010:__pv_queued_spin_lock_slowpath+0x405/0xc40 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/locking/qspinlock.c:508 Code: ed c6 45 01 01 41 bc 00 80 00 00 4c 8d 74 24 78 48 c1 e9 03 41 83 e5 07 48 b8 00 00 00 00 00 fc ff df 48 8d 1c 01 eb 0c f3 90 <41> 83 ec 01 0f 84 10 05 00 00 b8 00 01 00 00 66 89 44 24 78 0f b6 RSP: 0018:ffffc900000079c0 EFLAGS: 00000206 RAX: 0000000000000003 RBX: fffffbfff1dab7a4 RCX: 1ffffffff1dab7a4 RDX: 0000000000000001 RSI: ffffffff8af70852 RDI: 0000000000000000 RBP: ffffffff8ed5bd20 R08: 0000000000000001 R09: fffffbfff28714e6 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000006d46 R13: 0000000000000000 R14: ffffc90000007a38 R15: ffff88802c43fc80 pv_queued_spin_lock_slowpath data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/./arch/x86/include/asm/paravirt.h:584 [inline] queued_spin_lock_slowpath data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/./arch/x86/include/asm/qspinlock.h:51 [inline] queued_spin_lock data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/./include/asm-generic/qspinlock.h:114 [inline] do_raw_spin_lock+0x20f/0x2b0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/locking/spinlock_debug.c:116 spin_lock data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/./include/linux/spinlock.h:351 [inline] mac80211_hwsim_tx_frame_no_nl.isra.0+0x6ec/0x1270 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/drivers/net/wireless/virtual/mac80211_hwsim.c:1817 mac80211_hwsim_tx_frame+0x1ed/0x2a0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/drivers/net/wireless/virtual/mac80211_hwsim.c:2215 __mac80211_hwsim_beacon_tx data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/drivers/net/wireless/virtual/mac80211_hwsim.c:2232 [inline] mac80211_hwsim_beacon_tx+0x56e/0x9e0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/drivers/net/wireless/virtual/mac80211_hwsim.c:2315 __iterate_interfaces+0x2c3/0x5d0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/net/mac80211/util.c:772 ieee80211_iterate_active_interfaces_atomic+0x71/0x1b0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/net/mac80211/util.c:808 mac80211_hwsim_beacon+0x105/0x200 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/drivers/net/wireless/virtual/mac80211_hwsim.c:2345 __run_hrtimer data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/time/hrtimer.c:1689 [inline] __hrtimer_run_queues+0x212/0xcc0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/time/hrtimer.c:1753 hrtimer_run_softirq+0x17f/0x350 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/time/hrtimer.c:1770 handle_softirqs+0x1d7/0x870 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/softirq.c:554 __do_softirq data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/softirq.c:588 [inline] invoke_softirq data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/softirq.c:428 [inline] __irq_exit_rcu data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/softirq.c:637 [inline] irq_exit_rcu+0xbb/0x120 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x99/0xb0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/arch/x86/kernel/apic/apic.c:1043 </IRQ> <TASK> asm_sysvec_apic_timer_interrupt+0x1a/0x20 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/./arch/x86/include/asm/idtentry.h:702 RIP: 0010:stack_access_ok+0x13c/0x270 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/arch/x86/kernel/unwind_orc.c:394 Code: 3c 24 4c 39 fd 73 8c e8 52 0f 4e 00 48 8b 44 24 08 48 01 e8 49 39 c6 48 89 04 24 0f 83 72 ff ff ff e8 38 0f 4e 00 48 8b 04 24 <41> be 01 00 00 00 49 39 c7 73 a9 e9 59 ff ff ff e8 1f 0f 4e 00 48 RSP: 0018:ffffc90000ec7068 EFLAGS: 00000293 RAX: ffffc90000ec74b8 RBX: ffffc90000ec7128 RCX: ffffffff813bfc66 RDX: ffff888018a70000 RSI: ffffffff813bfd08 RDI: 0000000000000005 RBP: ffffc90000ec74b0 R08: 0000000000000002 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffffc90000ec7130 R13: ffffc90000ec7138 R14: ffffc90000ec0000 R15: ffffc90000ec8000 deref_stack_reg data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/arch/x86/kernel/unwind_orc.c:403 [inline] unwind_next_frame+0xd41/0x2220 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/arch/x86/kernel/unwind_orc.c:585 arch_stack_walk+0xe6/0x160 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8f/0xc0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/stacktrace.c:122 kasan_save_stack+0x24/0x50 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/kasan/common.c:47 kasan_save_track+0x14/0x30 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/kasan/common.c:68 kasan_save_free_info+0x3b/0x60 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/kasan/generic.c:579 poison_slab_object data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/kasan/common.c:240 [inline] poison_slab_object+0xf9/0x180 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/kasan/common.c:211 __kasan_slab_free+0x33/0x50 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/kasan/common.c:256 kasan_slab_free data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/./include/linux/kasan.h:184 [inline] slab_free_hook data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/slub.c:2252 [inline] slab_free data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/slub.c:4473 [inline] kmem_cache_free+0x12a/0x3a0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/slub.c:4548 __merge_or_add_vmap_area data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/vmalloc.c:1401 [inline] merge_or_add_vmap_area_augment data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/vmalloc.c:1458 [inline] reclaim_list_global.part.0+0x758/0x1760 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/vmalloc.c:2126 reclaim_list_global data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/vmalloc.c:2121 [inline] decay_va_pool_node+0xd22/0x1110 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/vmalloc.c:2187 vmap_node_shrink_scan+0x43/0x70 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/vmalloc.c:5090 do_shrink_slab+0x44e/0x1190 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/shrinker.c:435 shrink_slab+0x18d/0x12e0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/shrinker.c:662 shrink_one+0x4ad/0x7c0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/vmscan.c:4815 shrink_many data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/vmscan.c:4876 [inline] lru_gen_shrink_node data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/vmscan.c:4954 [inline] shrink_node+0x23db/0x3850 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/vmscan.c:5934 kswapd_shrink_node data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/vmscan.c:6762 [inline] balance_pgdat+0xba2/0x1880 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/vmscan.c:6954 kswapd+0x702/0xd50 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/mm/vmscan.c:7223 kthread+0x2ca/0x3b0 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/kernel/kthread.c:389 ret_from_fork+0x48/0x80 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 data/ghui/docker_data/linux_kernel/upstream/6b0f8db921abf0520081d779876d3a41069dab95/arch/x86/entry/entry_64.S:244 </TASK> INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 9.168 msecs ========================================================================================== This report is generated by reproducing the syz repro. It may contain errors.
