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 Bluetooth: hci4: command 0x0406 tx timeout watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.2:8585] Modules linked in: irq event stamp: 3494521 hardirqs last enabled at (3494520): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (3494521): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (3481718): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (3481721): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (3481721): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 1 PID: 8585 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 RIP: 0010:slab_alloc_node mm/slab.c:3303 [inline] RIP: 0010:kmem_cache_alloc_node_trace+0x22/0x3b0 mm/slab.c:3666 Code: fd ff ff 0f 0b 0f 1f 00 41 57 41 56 49 89 ce 41 55 49 89 fd 41 54 55 89 f5 53 48 83 ec 10 89 54 24 08 65 44 8b 25 5e 5d 6a 7e <8b> 1d e4 ca 8e 09 44 89 64 24 0c 21 f3 89 df e8 6a 62 e6 ff 89 df RSP: 0018:ffff8880ba107b48 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: ffff88813bff0940 RBX: 0000000000000000 RCX: 0000000000000200 RDX: 00000000ffffffff RSI: 0000000000490220 RDI: ffff88813bff0940 RBP: 0000000000490220 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 00000000d44601c5 R12: 0000000000000000 R13: ffff88813bff0940 R14: 0000000000000200 R15: ffff88809ff14280 FS: 00007fb3fdd4b700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055e725323188 CR3: 0000000009e6d000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __do_kmalloc_node mm/slab.c:3688 [inline] __kmalloc_node_track_caller+0x38/0x70 mm/slab.c:3703 __kmalloc_reserve net/core/skbuff.c:137 [inline] __alloc_skb+0xae/0x560 net/core/skbuff.c:205 skb_copy+0x139/0x2f0 net/core/skbuff.c:1358 mac80211_hwsim_tx_frame_no_nl.isra.0+0xb8a/0x1330 drivers/net/wireless/mac80211_hwsim.c:1353 mac80211_hwsim_tx_frame+0x12b/0x210 drivers/net/wireless/mac80211_hwsim.c:1556 mac80211_hwsim_beacon_tx+0x3f8/0x680 drivers/net/wireless/mac80211_hwsim.c:1595 __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:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:lock_acquire+0x1ec/0x3c0 kernel/locking/lockdep.c:3911 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 09 2e 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:ffff8880274f7920 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3051 RBX: ffff888028d322c0 RCX: f571382d69872f36 RDX: dffffc0000000000 RSI: 00000000580e209d RDI: 0000000000000286 RBP: ffffffff89f85fa0 R08: 000000005eaf3dab R09: 0000000000000001 R10: ffff888028d32b70 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000002 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:242 [inline] rcu_read_lock include/linux/rcupdate.h:627 [inline] lock_page_memcg+0x36/0x220 mm/memcontrol.c:1908 page_remove_file_rmap+0x36/0xa30 mm/rmap.c:1212 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 __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: 0033:0x7fb3ff7d85a9 Code: Bad RIP value. RSP: 002b:00007fb3fdd49f38 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fb3fdd4a0d0 RCX: 00007fb3ff7d85a9 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000043 RBP: 00007fb3ff832566 R08: 000000000000001e R09: 00007fb3fdd4a0d0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb3ff822578 R13: 0000000000000016 R14: 00000000000000a8 R15: 0000000000000000 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