netlink: 48 bytes leftover after parsing attributes in process `syz-executor.4'. tc_dump_action: action bad kind Bluetooth: hci4: command 0x0419 tx timeout wlan1: No active IBSS STAs - trying to scan for other IBSS networks with same SSID (merge) watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor.5:10657] Modules linked in: irq event stamp: 2541765 hardirqs last enabled at (2541764): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (2541765): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (2538306): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (2538309): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (2538309): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 1 PID: 10657 Comm: syz-executor.5 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:unwind_next_frame+0x790/0x1400 arch/x86/kernel/unwind_orc.c:437 Code: 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 0f b6 34 10 49 8d 47 01 48 89 c7 48 c1 ef 03 0f b6 14 17 4c 89 ff 83 e7 07 40 38 fe <40> 0f 9e c7 40 84 f6 40 0f 95 c6 40 84 f7 0f 85 59 09 00 00 83 e0 RSP: 0018:ffff8880ba107730 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: ffffffff8b8cd929 RBX: 1ffff11017420eef RCX: ffff888029587f28 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000001 R08: ffffffff8b8cd92c R09: ffffffff8b8cd928 R10: ffff8880ba1078bf R11: 0000000000074071 R12: ffff8880ba1078a8 R13: ffff8880ba107895 R14: ffff8880ba107860 R15: ffffffff8b8cd928 FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055f908118160 CR3: 0000000009e6d000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __save_stack_trace+0x9f/0x190 arch/x86/kernel/stacktrace.c:44 save_stack mm/kasan/kasan.c:448 [inline] set_track mm/kasan/kasan.c:460 [inline] kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:553 kmem_cache_alloc_node+0x146/0x3b0 mm/slab.c:3649 __alloc_skb+0x71/0x560 net/core/skbuff.c:193 __netdev_alloc_skb+0x76/0x460 net/core/skbuff.c:407 netdev_alloc_skb include/linux/skbuff.h:2680 [inline] dev_alloc_skb include/linux/skbuff.h:2693 [inline] __ieee80211_beacon_get+0xc7d/0x1a30 net/mac80211/tx.c:4352 ieee80211_beacon_get_tim+0x88/0x890 net/mac80211/tx.c:4463 ieee80211_beacon_get include/net/mac80211.h:4484 [inline] mac80211_hwsim_beacon_tx+0xff/0x680 drivers/net/wireless/mac80211_hwsim.c:1577 __iterate_interfaces+0x2e1/0x4a0 net/mac80211/util.c:614 ieee80211_iterate_active_interfaces_atomic+0x8d/0x170 net/mac80211/util.c:650 mac80211_hwsim_beacon+0xc9/0x190 drivers/net/wireless/mac80211_hwsim.c:1615 __tasklet_hrtimer_trampoline+0x29/0xa0 kernel/softirq.c:601 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __do_softirq+0x265/0x980 kernel/softirq.c:292 invoke_softirq kernel/softirq.c:372 [inline] irq_exit+0x215/0x260 kernel/softirq.c:412 exiting_irq arch/x86/include/asm/apic.h:536 [inline] smp_apic_timer_interrupt+0x136/0x550 arch/x86/kernel/apic/apic.c:1098 apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:894 RIP: 0010:PageHuge+0x2/0x160 mm/hugetlb.c:1373 Code: 00 eb bd e8 d0 42 04 00 eb 94 e8 c9 42 04 00 e9 68 ff ff ff e8 bf 42 04 00 e9 3b ff ff ff e8 b5 42 04 00 e9 0b ff ff ff 41 54 <55> 53 48 89 fb e8 b4 65 ce ff 48 89 da 48 b8 00 00 00 00 00 fc ff RSP: 0018:ffff8880295876f0 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000000000 RCX: ffffffff81518c83 RDX: 1ffffd40004ef0c7 RSI: 0000000000000004 RDI: ffffea0002778600 RBP: ffffea0002778600 R08: 0000000000000000 R09: ffffed101742455a R10: ffff8880ba122ad3 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffffea0002778600 R15: 00007fb9bd400000 page_remove_file_rmap+0x3e/0xa30 mm/rmap.c:1215 page_remove_rmap+0xe5/0x120 mm/rmap.c:1297 zap_pte_range mm/memory.c:1350 [inline] zap_pmd_range mm/memory.c:1463 [inline] zap_pud_range mm/memory.c:1492 [inline] zap_p4d_range mm/memory.c:1513 [inline] unmap_page_range+0x147d/0x2c50 mm/memory.c:1534 unmap_single_vma+0x198/0x300 mm/memory.c:1579 unmap_vmas+0xa9/0x180 mm/memory.c:1609 exit_mmap+0x2b9/0x530 mm/mmap.c:3093 __mmput kernel/fork.c:1016 [inline] mmput+0x14e/0x4a0 kernel/fork.c:1037 exit_mm kernel/exit.c:549 [inline] do_exit+0xaec/0x2be0 kernel/exit.c:857 do_group_exit+0x125/0x310 kernel/exit.c:967 get_signal+0x3f2/0x1f70 kernel/signal.c:2589 do_signal+0x8f/0x1670 arch/x86/kernel/signal.c:799 exit_to_usermode_loop+0x204/0x2a0 arch/x86/entry/common.c:163 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fb9be569639 Code: Bad RIP value. RSP: 002b:00007fb9bcadc168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: 0000000000000000 RBX: 00007fb9be689f80 RCX: 00007fb9be569639 RDX: 0000000020000280 RSI: 00000000400454ca RDI: 0000000000000003 RBP: 00007fb9be5c4a41 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffb2c9ec7f R14: 00007fb9bcadc300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60