GRED: Unable to relocate VQ 0x0 after dequeue, screwing up backlog watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [ *:* ˜ÿ­@ÃSï~ÕŠ:570] Modules linked in: irq event stamp: 2824941 hardirqs last enabled at (2824940): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (2824941): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (2808278): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (2808281): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (2808281): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 1 PID: 570 Comm: *:* ˜ÿ­@ÃSï~ÕŠ Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 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:ffff8880ba107598 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3051 RBX: ffff88805a716540 RCX: 1ffff1100b4e2dc3 RDX: dffffc0000000000 RSI: 0000000000000003 RDI: 0000000000000286 RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000002 R10: 0000000000000000 R11: 0000000000074071 R12: 1ffff11017420eb6 R13: 7af92dd28887c77e R14: ffff88805a716540 R15: 0000000000000003 FS: 00007feb96ec7700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9c3997eda0 CR3: 0000000097447000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rcu_lock_release include/linux/rcupdate.h:247 [inline] rcu_read_unlock include/linux/rcupdate.h:681 [inline] is_bpf_text_address+0xfc/0x1b0 kernel/bpf/core.c:548 kernel_text_address kernel/extable.c:152 [inline] kernel_text_address+0xbd/0xf0 kernel/extable.c:122 __kernel_text_address+0x9/0x30 kernel/extable.c:107 unwind_get_return_address arch/x86/kernel/unwind_orc.c:297 [inline] unwind_get_return_address+0x51/0x90 arch/x86/kernel/unwind_orc.c:292 __save_stack_trace+0xaf/0x190 arch/x86/kernel/stacktrace.c:45 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 slab_post_alloc_hook mm/slab.h:445 [inline] slab_alloc mm/slab.c:3397 [inline] kmem_cache_alloc+0x110/0x370 mm/slab.c:3557 dst_alloc+0x106/0x1a0 net/core/dst.c:105 ip6_dst_alloc+0x2e/0x100 net/ipv6/route.c:357 icmp6_dst_alloc+0x1ab/0x660 net/ipv6/route.c:2731 ndisc_send_skb+0xd10/0x1720 net/ipv6/ndisc.c:471 ndisc_send_rs+0x131/0x690 net/ipv6/ndisc.c:685 addrconf_rs_timer+0x384/0x6a0 net/ipv6/addrconf.c:3835 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:__read_once_size include/linux/compiler.h:263 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:69 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0x1c/0x50 kernel/kcov.c:101 Code: 90 90 90 90 90 90 90 90 90 90 90 90 90 90 48 8b 34 24 65 48 8b 04 25 c0 df 01 00 65 8b 15 cc 59 9f 7e 81 e2 00 01 1f 00 75 2b <8b> 90 60 13 00 00 83 fa 02 75 20 48 8b 88 68 13 00 00 8b 80 64 13 RSP: 0018:ffff8880465d7768 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: ffff88805a716540 RBX: ffffea00025277c0 RCX: ffffffff818b9f8a RDX: 0000000000000000 RSI: ffffffff818b9fa0 RDI: 0000000000000007 RBP: ffffea00025277c8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000007 R11: 0000000000000000 R12: dead000000000100 R13: ffffea00025277c0 R14: dffffc0000000000 R15: 00007feb98245000 PagePoisoned include/linux/page-flags.h:162 [inline] PageSwapBacked include/linux/page-flags.h:295 [inline] mm_counter_file include/linux/mm.h:1642 [inline] mm_counter include/linux/mm.h:1651 [inline] zap_pte_range mm/memory.c:1349 [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+0x13a0/0x2c50 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: 0033:0x7feb989550c9 Code: Bad RIP value. RSP: 002b:00007feb96ec7218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 00007feb98a74f88 RCX: 00007feb989550c9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007feb98a74f88 RBP: 00007feb98a74f80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007feb98a74f8c R13: 00007ffd9bf7235f R14: 00007feb96ec7300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 569 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 RIP: 0010:__orc_find+0x8f/0xf0 arch/x86/kernel/unwind_orc.c:45 Code: d8 48 c1 e8 03 42 0f b6 14 38 48 89 d8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 48 48 63 03 48 01 d8 48 39 c1 73 b0 4c 8d 63 fc <49> 39 ec 73 b3 4d 29 ee 49 c1 fe 02 4b 8d 04 76 48 8d 04 46 48 83 RSP: 0018:ffff8880ba0076e8 EFLAGS: 00000297 RAX: ffffffff8198095b RBX: ffffffff8b38f6d4 RCX: ffffffff81980925 RDX: 0000000000000000 RSI: ffffffff8b99ceaa RDI: ffffffff8b38f6d0 RBP: ffffffff8b38f6d4 R08: 0000000000000000 R09: ffffffff8b99ceaa R10: ffff8880ba0078bf R11: 0000000000074071 R12: ffffffff8b38f6d0 R13: ffffffff8b38f6d0 R14: ffffffff8b38f6d0 R15: dffffc0000000000 FS: 00007f83ede2c700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c01210e0c0 CR3: 000000009a5ec000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: orc_find arch/x86/kernel/unwind_orc.c:159 [inline] unwind_next_frame+0x339/0x1400 arch/x86/kernel/unwind_orc.c:422 __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 kmem_cache_alloc_node+0x146/0x3b0 mm/slab.c:3649 __alloc_skb+0x71/0x560 net/core/skbuff.c:193 __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:debug_lockdep_rcu_enabled kernel/rcu/update.c:253 [inline] RIP: 0010:rcu_read_lock_held+0x0/0x110 kernel/rcu/update.c:281 Code: 89 e8 e4 b4 47 00 e9 18 fd ff ff 48 c7 c7 80 d9 e0 89 e8 d3 b4 47 00 e9 5c f8 ff ff 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 <48> c7 c0 44 e0 26 8b 53 48 ba 00 00 00 00 00 fc ff df 48 89 c1 83 RSP: 0018:ffff8880425af710 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 RAX: ffff88809d9343c0 RBX: 0000000000000001 RCX: ffffffff818a1012 RDX: 0000000000000000 RSI: ffffffff818a0e0d RDI: 0000000000000001 RBP: ffffea0002538040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: dead000000000100 R14: dead000000000100 R15: dffffc0000000000 page_memcg_rcu include/linux/mm.h:1156 [inline] workingset_activation+0x72/0x360 mm/workingset.c:320 mark_page_accessed+0x510/0xda0 mm/swap.c:390 zap_pte_range mm/memory.c:1347 [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+0x1af6/0x2c50 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: 0033:0x7f83ef8ba0c9 Code: Bad RIP value. RSP: 002b:00007f83ede2c218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: 0000000000000000 RBX: 00007f83ef9d9f88 RCX: 00007f83ef8ba0c9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f83ef9d9f88 RBP: 00007f83ef9d9f80 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f83ef9d9f8c R13: 00007ffe4d8c7b6f R14: 00007f83ede2c300 R15: 0000000000022000