bond930: Enslaving vlan773 as an active interface with an up link watchdog: BUG: soft lockup - CPU#1 stuck for 21s! [syz-executor.2:2305] Modules linked in: irq event stamp: 4003991 hardirqs last enabled at (4003990): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (4003991): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (3997482): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (3997485): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (3997485): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 1 PID: 2305 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:789 [inline] RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xa3/0xe0 kernel/locking/spinlock.c:184 Code: 48 c7 c0 88 82 f1 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 75 2f 48 83 3d 7c 31 d8 01 00 74 15 48 89 df 57 9d <0f> 1f 44 00 00 eb b2 e8 fb eb e6 f8 eb c0 0f 0b 0f 0b 48 c7 c7 88 RSP: 0018:ffff8880ba107c28 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3051 RBX: 0000000000000286 RCX: 1ffff1100cd9851a RDX: dffffc0000000000 RSI: ffff888066cc28b0 RDI: 0000000000000286 RBP: ffff8880ba122b40 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000022b40 R14: 0000000000000000 R15: ffff8880ba122b40 FS: 00007f9218b40700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c022debfc0 CR3: 0000000096c1e000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __mod_timer kernel/time/timer.c:1071 [inline] mod_timer+0x4ea/0x1010 kernel/time/timer.c:1114 call_timer_fn+0x177/0x700 kernel/time/timer.c:1338 expire_timers+0x243/0x4e0 kernel/time/timer.c:1375 __run_timers kernel/time/timer.c:1696 [inline] run_timer_softirq+0x21c/0x670 kernel/time/timer.c:1709 __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:compound_head include/linux/page-flags.h:144 [inline] RIP: 0010:PageAnon include/linux/page-flags.h:418 [inline] RIP: 0010:zap_pte_range mm/memory.c:1340 [inline] RIP: 0010:zap_pmd_range mm/memory.c:1463 [inline] RIP: 0010:zap_pud_range mm/memory.c:1492 [inline] RIP: 0010:zap_p4d_range mm/memory.c:1513 [inline] RIP: 0010:unmap_page_range+0x1254/0x2c50 mm/memory.c:1534 Code: ed 48 89 41 18 0f 84 36 fe ff ff e8 36 e7 d6 ff 49 8d 6d 08 48 89 e8 48 c1 e8 03 42 80 3c 30 00 0f 85 df 16 00 00 49 8b 45 08 <31> ff 4d 89 ec 48 89 c3 48 89 84 24 c0 00 00 00 83 e3 01 48 89 de RSP: 0018:ffff88823aa6f770 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: dead000000000100 RBX: 0000000000000001 RCX: ffff88823aa6f9b0 RDX: 0000000000000000 RSI: ffffffff818b9e3a RDI: ffff88823aa6f9c8 RBP: ffffea00023ba508 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 800000008ee94007 R13: ffffea00023ba500 R14: dffffc0000000000 R15: 00007f92194ad000 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: 0033:0x7f921a1cb279 Code: Bad RIP value. RSP: 002b:00007f9218b40168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d8 RAX: 0000000000000000 RBX: 00007f921a2ddf80 RCX: 00007f921a1cb279 RDX: 0000000000000000 RSI: 0000000000200000 RDI: 00000000202ec000 RBP: 00007f921a225189 R08: 0000000000080000 R09: 0000000000000000 R10: 000000000000001e R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffdb31d98ef R14: 00007f9218b40300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 2313 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022 RIP: 0010:__lock_acquire+0x2ee/0x3ff0 kernel/locking/lockdep.c:3329 Code: 41 83 f9 2f 8b 15 b2 3c d9 0b 76 08 85 d2 0f 84 1e 0d 00 00 49 8d b5 88 08 00 00 48 2d 80 f5 d5 8c 48 c1 f8 04 48 89 74 24 10 <69> c0 3d cf f3 3c 44 8d 40 01 44 89 c8 4c 8d 14 80 49 c1 e2 03 45 RSP: 0018:ffff8880ba0079d8 EFLAGS: 00000046 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000004 RDX: 0000000000000000 RSI: ffff8880203449c8 RDI: ffffffff8cd5f6b8 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000002 R10: ffffffff8cd5f6bb R11: 0000000000000000 R12: 0000000000000001 R13: ffff888020344140 R14: ffffffff8d43e5e0 R15: 0000000000000001 FS: 00007f855df70700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2f25eeb058 CR3: 0000000009e6d000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x8c/0xc0 kernel/locking/spinlock.c:152 __debug_check_no_obj_freed lib/debugobjects.c:776 [inline] debug_check_no_obj_freed+0xb5/0x490 lib/debugobjects.c:817 kfree+0xb9/0x210 mm/slab.c:3821 skb_free_head net/core/skbuff.c:563 [inline] skb_release_data+0x6de/0x920 net/core/skbuff.c:583 skb_release_all net/core/skbuff.c:640 [inline] __kfree_skb net/core/skbuff.c:654 [inline] consume_skb+0x113/0x3d0 net/core/skbuff.c:714 mac80211_hwsim_tx_frame+0x133/0x210 drivers/net/wireless/mac80211_hwsim.c:1557 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:__read_once_size include/linux/compiler.h:263 [inline] RIP: 0010:compound_head include/linux/page-flags.h:142 [inline] RIP: 0010:PageAnon include/linux/page-flags.h:418 [inline] RIP: 0010:page_remove_rmap+0x16/0x120 mm/rmap.c:1296 Code: 08 00 e9 7a f6 ff ff e8 48 2f 08 00 e9 97 f6 ff ff 0f 1f 00 41 56 41 55 41 54 55 48 89 fd 53 89 f3 e8 3e 52 d2 ff 48 8d 7d 08 <48> b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f RSP: 0018:ffff8882380ef740 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff888020344140 RBX: 0000000000000000 RCX: ffffffff818ba030 RDX: 0000000000000000 RSI: ffffffff81903332 RDI: ffffea0001095708 RBP: ffffea0001095700 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: dead000000000100 R13: ffffea0001095700 R14: dffffc0000000000 R15: 00007f855e7c1000 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: 0033:0x7f855f5fb279 Code: Bad RIP value. RSP: 002b:00007f855df70168 EFLAGS: 00000246 ORIG_RAX: 00000000000000d8 RAX: 0000000000000000 RBX: 00007f855f70df80 RCX: 00007f855f5fb279 RDX: 0000000000000000 RSI: 0000000000200000 RDI: 00000000202ec000 RBP: 00007f855f655189 R08: 0000000000080000 R09: 0000000000000000 R10: 000000000000001e R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffea47efb7f R14: 00007f855df70300 R15: 0000000000022000