audit: type=1804 audit(1674463533.478:213): pid=23547 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir3711475298/syzkaller.luajrl/43/file0" dev="sda1" ino=14152 res=1 Bluetooth: hci18: command 0x0406 tx timeout Bluetooth: hci19: command 0x0406 tx timeout Bluetooth: hci20: command 0x0406 tx timeout Bluetooth: hci17: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.2:23472] Modules linked in: irq event stamp: 3140319 hardirqs last enabled at (3140318): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (3140319): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (3127966): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (3127969): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (3127969): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 1 PID: 23472 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 RIP: 0010:__read_once_size_nocheck.constprop.0+0x3/0x10 include/linux/compiler.h:281 Code: 00 75 18 48 8b 43 48 5b 5d c3 e8 c8 e4 6e 00 eb a8 48 89 ef e8 4e e5 6e 00 eb c4 48 89 ef e8 44 e5 6e 00 eb de 66 90 48 8b 07 <48> 89 06 c3 66 0f 1f 84 00 00 00 00 00 48 b8 00 00 00 00 00 fc ff RSP: 0018:ffff8880ba1076b0 EFLAGS: 00000287 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000200 RBX: 1ffff11017420ed8 RCX: 0000000000000000 RDX: ffff8880ba1078c0 RSI: ffff8880ba1076e0 RDI: ffff8880ba107b68 RBP: ffff8880ba107b68 R08: 0000000000000001 R09: 0000000000000001 R10: ffff8880ba1078df R11: 0000000000074071 R12: ffff8880ba107880 R13: ffff8880ba1078c0 R14: ffff8880ba100000 R15: ffffffff8b99d1c2 FS: 00007f70f87de700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b31328000 CR3: 0000000009e6d000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: deref_stack_reg arch/x86/kernel/unwind_orc.c:334 [inline] deref_stack_reg+0x134/0x1d0 arch/x86/kernel/unwind_orc.c:328 unwind_next_frame+0xf83/0x1400 arch/x86/kernel/unwind_orc.c:555 __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 __do_kmalloc_node mm/slab.c:3689 [inline] __kmalloc_node_track_caller+0x4c/0x70 mm/slab.c:3703 __kmalloc_reserve net/core/skbuff.c:137 [inline] __alloc_skb+0xae/0x560 net/core/skbuff.c:205 __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:page_remove_rmap+0xe6/0x120 mm/rmap.c:1328 Code: 90 51 d2 ff 48 89 ef e8 f8 86 ff ff 5b 5d 41 5c 41 5d 41 5e e9 7b 51 d2 ff e8 76 51 d2 ff 0f b6 f3 48 89 ef e8 ab 7c ff ff 5b <5d> 41 5c 41 5d 41 5e e9 5e 51 d2 ff e8 59 51 d2 ff 4d 8d 66 ff e9 RSP: 0018:ffff88803e20f748 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffff11007c09536 RDX: dffffc0000000000 RSI: 0000000000000002 RDI: 0000000000000286 RBP: ffffea0001136b40 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: dead000000000100 R15: 00007f70f9131000 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: 0033:0x7f70fa26c0c9 Code: Bad RIP value. RSP: 002b:00007f70f87de168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: 0000000000000000 RBX: 00007f70fa38bf80 RCX: 00007f70fa26c0c9 RDX: 0000000020002100 RSI: 00000000200020c0 RDI: 0000000000000000 RBP: 00007f70fa2c7ae9 R08: 0000000020002140 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdb9fae96f R14: 00007f70f87de300 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