watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor.2:24882] Modules linked in: irq event stamp: 4402885 hardirqs last enabled at (4402884): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (4402885): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (4400344): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (4400347): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (4400347): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 0 PID: 24882 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:rep_nop arch/x86/include/asm/processor.h:656 [inline] RIP: 0010:cpu_relax arch/x86/include/asm/processor.h:661 [inline] RIP: 0010:pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:438 [inline] RIP: 0010:__pv_queued_spin_lock_slowpath+0x3a4/0xae0 kernel/locking/qspinlock.c:474 Code: 48 89 eb c6 45 01 01 41 bc 00 80 00 00 48 c1 e9 03 83 e3 07 41 be 01 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 8d 2c 01 eb 0c 90 41 83 ec 01 0f 84 38 04 00 00 41 0f b6 45 00 38 d8 7f 08 84 RSP: 0018:ffff8880ba007b30 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000001 RBX: 0000000000000000 RCX: 1ffffffff1b9c080 RDX: 0000000000000001 RSI: ffffffff8dce0401 RDI: ffffffff8dce0402 RBP: ffffffff8dce0400 R08: 0000000000000001 R09: fffffbfff1b9c080 R10: ffffffff8dce0403 R11: ffffffff8c66501b R12: 000000000000763f R13: fffffbfff1b9c080 R14: 0000000000000001 R15: ffff8880ba02be00 FS: 00007f013fdc8700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffb3ab9c718 CR3: 0000000035c6c000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:679 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:53 [inline] queued_spin_lock include/asm-generic/qspinlock.h:88 [inline] do_raw_spin_lock+0x189/0x220 kernel/locking/spinlock_debug.c:113 spin_lock include/linux/spinlock.h:329 [inline] mac80211_hwsim_tx_frame_no_nl.isra.0+0x6f6/0x1330 drivers/net/wireless/mac80211_hwsim.c:1304 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_release+0x429/0x8b0 kernel/locking/lockdep.c:3930 Code: 84 08 00 00 00 00 00 00 48 c1 e8 03 80 3c 10 00 0f 85 95 03 00 00 48 83 3d 7b 34 a6 08 00 0f 84 cc 01 00 00 48 8b 3c 24 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 49 c7 04 04 00 00 00 RSP: 0018:ffff88805f25f690 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3051 RBX: ffff88802485e600 RCX: 1ffff1100490bdd6 RDX: dffffc0000000000 RSI: 0000000000000002 RDI: 0000000000000286 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000000 R11: 0000000000000000 R12: 1ffff1100be4bed5 R13: 4d742cc6759f49ed R14: ffff88802485e600 R15: 0000000000000002 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: 0033:0x7f01418560d9 Code: Bad RIP value. RSP: 002b:00007f013fdc8168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: 0000000000000000 RBX: 00007f0141975f80 RCX: 00007f01418560d9 RDX: 0000000000000048 RSI: 0000000020000180 RDI: 000000000000000a RBP: 00007f01418b1ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffda54b083f R14: 00007f013fdc8300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 24885 Comm: syz-executor.0 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:__read_once_size include/linux/compiler.h:263 [inline] RIP: 0010:pv_wait_node kernel/locking/qspinlock_paravirt.h:304 [inline] RIP: 0010:__pv_queued_spin_lock_slowpath+0x5b5/0xae0 kernel/locking/qspinlock.c:439 Code: 24 4c 89 e9 83 e1 07 38 ca 7f 08 84 d2 0f 85 b4 03 00 00 0f b6 53 44 84 d2 0f 85 9f 00 00 00 f3 90 83 e8 01 0f 84 94 00 00 00 <41> 0f b6 10 40 38 d6 7c 08 84 d2 0f 85 45 03 00 00 41 8b 57 08 85 RSP: 0018:ffff8880ba107b30 EFLAGS: 00000206 RAX: 000000000000798b RBX: ffff8880ba02be00 RCX: 0000000000000004 RDX: 0000000000000000 RSI: 0000000000000003 RDI: ffff8880ba12be08 RBP: ffff8880ba12be44 R08: ffffed10174257c1 R09: ffffed10174257c8 R10: ffff8880ba12be44 R11: 0000000000000000 R12: ffffed10174057c8 R13: ffff8880ba02be44 R14: dffffc0000000000 R15: ffff8880ba12be00 FS: 00007fd9cb796700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c01a20eea0 CR3: 0000000035ed2000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:679 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:53 [inline] queued_spin_lock include/asm-generic/qspinlock.h:88 [inline] do_raw_spin_lock+0x189/0x220 kernel/locking/spinlock_debug.c:113 spin_lock include/linux/spinlock.h:329 [inline] mac80211_hwsim_tx_frame_no_nl.isra.0+0x6f6/0x1330 drivers/net/wireless/mac80211_hwsim.c:1304 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:__bpf_prog_run512+0xb6/0xe0 kernel/bpf/core.c:1452 Code: 44 24 70 48 8d 7c 24 20 e8 f7 9f ff ff c7 03 00 00 00 00 c7 43 10 00 00 00 00 48 c7 43 54 00 00 00 00 48 8b 8c 24 f8 02 00 00 <65> 48 2b 0c 25 28 00 00 00 75 0c 48 81 c4 00 03 00 00 5b 5d 41 5c RSP: 0018:ffff8880548e7940 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000000 RBX: ffffed100a91cf28 RCX: 243502d1e23aa500 RDX: 1ffff1100a91cf2c RSI: ffffffff816c43c1 RDI: ffffffff886fb908 RBP: ffffc90001b3c038 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff888047808780 R13: 00000000000000fe R14: dffffc0000000000 R15: ffffc90001b3c038 bpf_test_run_one net/bpf/test_run.c:22 [inline] bpf_test_run+0x109/0x440 net/bpf/test_run.c:43 bpf_prog_test_run_skb+0x579/0x9c0 net/bpf/test_run.c:147 bpf_prog_test_run kernel/bpf/syscall.c:1796 [inline] __do_sys_bpf kernel/bpf/syscall.c:2441 [inline] __se_sys_bpf+0xc9e/0x3a20 kernel/bpf/syscall.c:2384 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fd9cd2240d9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd9cb796168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fd9cd343f80 RCX: 00007fd9cd2240d9 RDX: 000000000000002c RSI: 0000000020000080 RDI: 000000000000000a RBP: 00007fd9cd27fae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc38ed13df R14: 00007fd9cb796300 R15: 0000000000022000