mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium mac80211_hwsim: wmediumd released netlink socket, switching to perfect channel medium Bluetooth: hci2: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.0:2682] Modules linked in: irq event stamp: 3642003 hardirqs last enabled at (3642002): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (3642003): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (3628804): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (3628807): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (3628807): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 0 PID: 2682 Comm: syz-executor.0 Not tainted 4.19.181-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:lock_acquire+0x1ec/0x3c0 kernel/locking/lockdep.c:3910 Code: 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 b7 01 00 00 48 83 3d c9 4e a6 08 00 0f 84 2a 01 00 00 48 8b 7c 24 08 57 9d <0f> 1f 44 00 00 48 83 c4 18 5b 5d 41 5c 41 5d 41 5e 41 5f c3 65 8b RSP: 0018:ffff8880ba007c70 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3049 RBX: ffff888036562000 RCX: 600fd093b2ff9a58 RDX: dffffc0000000000 RSI: 00000000ccb207b3 RDI: 0000000000000286 RBP: ffffffff89f85e60 R08: 00000000a833bce6 R09: 0000000000000002 R10: ffff8880365628d8 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000000 FS: 00007fc2ce159700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000004af548 CR3: 0000000009e6d000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: rcu_lock_acquire include/linux/rcupdate.h:242 [inline] rcu_read_lock include/linux/rcupdate.h:627 [inline] sta_info_get_bss+0x68/0x340 net/mac80211/sta_info.c:199 __ieee80211_rx_handle_packet net/mac80211/rx.c:4461 [inline] ieee80211_rx_napi+0x106d/0x2470 net/mac80211/rx.c:4591 ieee80211_rx include/net/mac80211.h:4109 [inline] ieee80211_tasklet_handler+0x101/0x160 net/mac80211/main.c:229 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:535 [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:zap_pte_range mm/memory.c:1323 [inline] RIP: 0010:zap_pmd_range mm/memory.c:1452 [inline] RIP: 0010:zap_pud_range mm/memory.c:1481 [inline] RIP: 0010:zap_p4d_range mm/memory.c:1502 [inline] RIP: 0010:unmap_page_range+0xfc0/0x2a70 mm/memory.c:1523 Code: 10 49 89 c5 eb 83 e8 3f fb d6 ff 48 8b 7c 24 20 4c 89 e2 b9 01 00 00 00 49 8d b7 00 f0 ff ff e8 76 e6 ff ff 48 83 7c 24 60 00 <49> 89 c5 0f 85 9c 09 00 00 e8 12 fb d6 ff 48 8b 44 24 18 48 8d 78 RSP: 0018:ffff888038997a28 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: ffffea00029851c0 RBX: 8000000000000007 RCX: ffffffff818b47ac RDX: 0000000000000000 RSI: ffffffff818b4702 RDI: 0000000000000006 RBP: 0000000000000001 R08: 0000000000000000 R09: 000000000023ffff R10: 0000000000000006 R11: 0000000000000000 R12: 80000000a6147007 R13: ffffea0002985180 R14: dffffc0000000000 R15: 00007fc2cf6d0000 unmap_single_vma+0x198/0x300 mm/memory.c:1568 unmap_vmas+0xa9/0x180 mm/memory.c:1598 exit_mmap+0x2b9/0x530 mm/mmap.c:3093 __mmput kernel/fork.c:1015 [inline] mmput+0x14e/0x4a0 kernel/fork.c:1036 exit_mm kernel/exit.c:549 [inline] do_exit+0xaec/0x2be0 kernel/exit.c:857 do_group_exit+0x125/0x310 kernel/exit.c:967 __do_sys_exit_group kernel/exit.c:978 [inline] __se_sys_exit_group kernel/exit.c:976 [inline] __x64_sys_exit_group+0x3a/0x50 kernel/exit.c:976 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x466459 Code: Bad RIP value. RSP: 002b:00007fc2ce157f58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fc2ce1580f0 RCX: 0000000000466459 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000043 RBP: 00000000004be800 R08: 000000000000001e R09: 00007fc2ce1580f0 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000004af548 R13: 0000000000000016 R14: 00000000000000a8 R15: 0000000000000000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at native_safe_halt+0xe/0x10 arch/x86/include/asm/irqflags.h:60