watchdog: BUG: soft lockup - CPU#0 stuck for 143s! [syz-executor.1:9873] Modules linked in: irq event stamp: 0 hardirqs last enabled at (0): [<0000000000000000>] 0x0 hardirqs last disabled at (0): [] copy_process+0x1e1b/0x74c0 kernel/fork.c:2061 softirqs last enabled at (0): [] copy_process+0x1e5c/0x74c0 kernel/fork.c:2065 softirqs last disabled at (0): [<0000000000000000>] 0x0 CPU: 0 PID: 9873 Comm: syz-executor.1 Not tainted 5.13.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:mac80211_hwsim_tx_frame_no_nl.isra.0+0x77b/0x1330 drivers/net/wireless/mac80211_hwsim.c:1527 Code: 00 00 00 c6 84 24 98 00 00 00 00 74 bb e8 8d 9a 48 fc 48 8d bb ac 3c 00 00 48 89 f8 48 89 fa 48 c1 e8 03 83 e2 07 0f b6 04 28 <38> d0 7f 08 84 c0 0f 85 36 09 00 00 44 0f b6 bb ac 3c 00 00 31 ff RSP: 0018:ffffc90000007ba0 EFLAGS: 00000202 RAX: 0000000000000000 RBX: ffff888065da3260 RCX: 0000000000000100 RDX: 0000000000000004 RSI: ffffffff852ce783 RDI: ffff888065da6f0c RBP: dffffc0000000000 R08: 000000000000000a R09: 0000000000000000 R10: ffffffff852ce7b9 R11: 0000000000000000 R12: ffff88809baf0640 R13: ffff888028a1b490 R14: ffff888028a1b260 R15: 0000000000000000 FS: 00007fafa1385700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f42185df718 CR3: 0000000090a87000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: mac80211_hwsim_tx_frame+0x1ee/0x2a0 drivers/net/wireless/mac80211_hwsim.c:1784 mac80211_hwsim_beacon_tx+0x4b7/0x920 drivers/net/wireless/mac80211_hwsim.c:1838 __iterate_interfaces+0x1e5/0x520 net/mac80211/util.c:793 ieee80211_iterate_active_interfaces_atomic+0x8d/0x170 net/mac80211/util.c:829 mac80211_hwsim_beacon+0xd5/0x1a0 drivers/net/wireless/mac80211_hwsim.c:1861 __run_hrtimer kernel/time/hrtimer.c:1537 [inline] __hrtimer_run_queues+0x609/0xe40 kernel/time/hrtimer.c:1601 hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1618 __do_softirq+0x29b/0x9bd kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x16e/0x1c0 kernel/softirq.c:636 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:preempt_schedule_irq+0x49/0x90 kernel/sched/core.c:6328 Code: 55 53 65 48 8b 1c 25 00 f0 01 00 48 89 dd 48 c1 ed 03 48 01 c5 bf 01 00 00 00 e8 02 0e 2e f8 e8 6d 36 5a f8 fb bf 01 00 00 00 b2 cd ff ff 9c 58 fa f6 c4 02 75 27 bf 01 00 00 00 e8 10 fd 2d RSP: 0018:ffffc900036171c8 EFLAGS: 00000246 RAX: 0000000000000007 RBX: ffff88806d9c9c40 RCX: 1ffffffff1ad6449 RDX: 0000000000000000 RSI: ffffffff817b97b1 RDI: 0000000000000001 RBP: ffffed100db39388 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff817b9798 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 irqentry_exit+0x31/0x80 kernel/entry/common.c:427 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:skb_unref include/linux/skbuff.h:1062 [inline] RIP: 0010:kfree_skb+0x5e/0x3f0 net/core/skbuff.c:758 Code: 00 00 00 00 fc ff df 48 c1 ea 03 0f b6 14 02 4c 89 e0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 32 03 00 00 8b 9d dc 00 00 00 01 00 00 00 89 de e8 56 9b 6a fa 83 fb 01 0f 85 5e 02 00 00 e8 RSP: 0018:ffffc90003617290 EFLAGS: 00000246 RAX: 0000000000000007 RBX: 0000000000000001 RCX: ffffffff870aedbe RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff888076c5271c RBP: ffff888076c52640 R08: 0000000000000000 R09: ffff888076c5271f R10: ffffed100ed8a4e3 R11: 0000000000086087 R12: ffff888076c5271c R13: ffff88808467c2c0 R14: dffffc0000000000 R15: ffff888076c52b40 kfree_skb_list net/core/skbuff.c:771 [inline] skb_release_data+0x573/0x750 net/core/skbuff.c:674 skb_release_all net/core/skbuff.c:730 [inline] __kfree_skb net/core/skbuff.c:744 [inline] consume_skb net/core/skbuff.c:900 [inline] consume_skb+0xc2/0x160 net/core/skbuff.c:894 ip6_fragment+0x19bf/0x2700 net/ipv6/ip6_output.c:969 __ip6_finish_output net/ipv6/ip6_output.c:180 [inline] __ip6_finish_output+0x5fa/0x1050 net/ipv6/ip6_output.c:161 ip6_finish_output+0x32/0x200 net/ipv6/ip6_output.c:192 NF_HOOK_COND include/linux/netfilter.h:296 [inline] ip6_output+0x1e4/0x530 net/ipv6/ip6_output.c:215 dst_output include/net/dst.h:448 [inline] ip6_local_out+0xaf/0x1a0 net/ipv6/output_core.c:161 ip6_send_skb+0xb7/0x340 net/ipv6/ip6_output.c:1906 udp_v6_send_skb+0x7c3/0x15e0 net/ipv6/udp.c:1235 udp_v6_push_pending_frames+0x26e/0x380 net/ipv6/udp.c:1268 udpv6_sendmsg+0x1c8a/0x2c40 net/ipv6/udp.c:1560 inet6_sendmsg+0x99/0xe0 net/ipv6/af_inet6.c:642 sock_sendmsg_nosec net/socket.c:703 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:723 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2392 ___sys_sendmsg+0xf3/0x170 net/socket.c:2446 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2475 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665d9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fafa1385188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 RDX: 0000000001000000 RSI: 0000000020000000 RDI: 0000000000000006 RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007fff1643feaf R14: 00007fafa1385300 R15: 0000000000022000 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 9881 Comm: syz-executor.5 Not tainted 5.13.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:native_apic_mem_write+0x8/0x10 arch/x86/include/asm/apic.h:110 Code: c7 00 d8 e9 8e e8 88 90 88 00 eb b0 66 0f 1f 44 00 00 be 01 00 00 00 e9 26 f6 2c 00 cc cc cc cc cc cc 89 ff 89 b7 00 c0 5f ff 0f 1f 80 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 53 89 fb 48 RSP: 0018:ffffc90000dc0820 EFLAGS: 00000046 RAX: dffffc0000000000 RBX: ffffffff8b2ff8c0 RCX: 0000000000000020 RDX: 1ffffffff165ff1a RSI: 000000000000008d RDI: 0000000000000380 RBP: ffff8880b9d1f2c0 R08: 000000000000003f R09: ffffffff8d6aef17 R10: ffffffff816871f7 R11: 0000000000000000 R12: 000000000000008d R13: 0000000000000020 R14: ffff8880b9d42380 R15: 7fffffffffffffff FS: 00007f3c2a560700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000004 CR3: 000000008d7ab000 CR4: 00000000001506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: apic_write arch/x86/include/asm/apic.h:394 [inline] lapic_next_event+0x4d/0x80 arch/x86/kernel/apic/apic.c:472 clockevents_program_event+0x254/0x370 kernel/time/clockevents.c:334 tick_program_event+0xac/0x140 kernel/time/tick-oneshot.c:44 hrtimer_interrupt+0x414/0xa00 kernel/time/hrtimer.c:1676 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1089 [inline] __sysvec_apic_timer_interrupt+0x146/0x530 arch/x86/kernel/apic/apic.c:1106 sysvec_apic_timer_interrupt+0x40/0xc0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:trylock_clear_pending kernel/locking/qspinlock_paravirt.h:121 [inline] RIP: 0010:pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:435 [inline] RIP: 0010:__pv_queued_spin_lock_slowpath+0x3c9/0xb40 kernel/locking/qspinlock.c:508 Code: 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 f3 90 41 83 ec 01 0f 84 72 04 00 00 41 0f b6 45 00 <38> d8 7f 08 84 c0 0f 85 91 05 00 00 0f b6 45 00 84 c0 75 db be 02 RSP: 0018:ffffc90000dc0a30 EFLAGS: 00000202 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffffffff18ee238 RDX: 0000000000000001 RSI: ffffffff817b97b1 RDI: ffffffff81331571 RBP: ffffffff8c7711c0 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff817b9779 R11: 0000000000000080 R12: 0000000000005d76 R13: fffffbfff18ee238 R14: 0000000000000001 R15: ffff8880b9d52840 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:585 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline] queued_spin_lock include/asm-generic/qspinlock.h:85 [inline] do_raw_spin_lock+0x200/0x2b0 kernel/locking/spinlock_debug.c:113 spin_lock include/linux/spinlock.h:354 [inline] mac80211_hwsim_tx_frame_no_nl.isra.0+0x68f/0x1330 drivers/net/wireless/mac80211_hwsim.c:1516 mac80211_hwsim_tx_frame+0x1ee/0x2a0 drivers/net/wireless/mac80211_hwsim.c:1784 mac80211_hwsim_beacon_tx+0x4b7/0x920 drivers/net/wireless/mac80211_hwsim.c:1838 __iterate_interfaces+0x1e5/0x520 net/mac80211/util.c:793 ieee80211_iterate_active_interfaces_atomic+0x8d/0x170 net/mac80211/util.c:829 mac80211_hwsim_beacon+0xd5/0x1a0 drivers/net/wireless/mac80211_hwsim.c:1861 __run_hrtimer kernel/time/hrtimer.c:1537 [inline] __hrtimer_run_queues+0x609/0xe40 kernel/time/hrtimer.c:1601 hrtimer_run_softirq+0x17b/0x360 kernel/time/hrtimer.c:1618 __do_softirq+0x29b/0x9bd kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x16e/0x1c0 kernel/softirq.c:636 irq_exit_rcu+0x5/0x20 kernel/softirq.c:648 sysvec_apic_timer_interrupt+0x93/0xc0 arch/x86/kernel/apic/apic.c:1100 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:__schedule+0x0/0x2710 kernel/sched/core.c:5819 Code: 5b 5d 41 5c c3 e8 30 f2 99 f8 eb d9 e8 29 f2 99 f8 e9 4b ff ff ff e8 bf f1 99 f8 e9 02 ff ff ff e8 d5 f1 99 f8 e9 6c ff ff ff <55> 48 89 e5 41 57 48 8d 85 78 ff ff ff 41 56 49 c7 c6 40 1a 05 00 RSP: 0018:ffffc900032af0c0 EFLAGS: 00000246 RAX: 0000000000000007 RBX: ffff888026c63880 RCX: 1ffffffff1ad6449 RDX: 0000000000000000 RSI: ffffffff817b97b1 RDI: 0000000000000001 RBP: ffffed1004d8c710 R08: 0000000000000000 R09: 0000000000000000 R10: ffffffff817b9798 R11: 0000000000000001 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 preempt_schedule_irq+0x4e/0x90 kernel/sched/core.c:6328 irqentry_exit+0x31/0x80 kernel/entry/common.c:427 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:bpf_tree_comp kernel/bpf/core.c:593 [inline] RIP: 0010:__lt_find include/linux/rbtree_latch.h:115 [inline] RIP: 0010:latch_tree_find include/linux/rbtree_latch.h:208 [inline] RIP: 0010:bpf_ksym_find+0xf8/0x1c0 kernel/bpf/core.c:671 Code: 7e 14 f4 ff 4e 8d 24 33 49 8d bc 24 60 ff ff ff 48 89 f8 48 c1 e8 03 42 80 3c 28 00 0f 85 93 00 00 00 4d 8b bc 24 60 ff ff ff <48> 89 ef 4c 89 fe e8 1d 1a f4 ff 4c 39 fd 0f 83 11 ff ff ff e8 3f RSP: 0018:ffffc900032af190 EFLAGS: 00000246 RAX: 1ffff11005cc9229 RBX: ffff88802e6491e8 RCX: ffffc9001509e000 RDX: 0000000000040000 RSI: ffffffff81816d92 RDI: ffff88802e649148 RBP: 00000000004665d9 R08: 0000000000000000 R09: ffffffff8d6aef17 R10: ffffffff8181c016 R11: 0000000000086087 R12: ffff88802e6491e8 R13: dffffc0000000000 R14: 0000000000000000 R15: ffffffffa005a080 is_bpf_text_address+0x75/0x160 kernel/bpf/core.c:705 kernel_text_address kernel/extable.c:151 [inline] kernel_text_address+0xbd/0xf0 kernel/extable.c:120 __kernel_text_address+0x9/0x30 kernel/extable.c:105 unwind_get_return_address arch/x86/kernel/unwind_orc.c:318 [inline] unwind_get_return_address+0x51/0x90 arch/x86/kernel/unwind_orc.c:313 arch_stack_walk+0x93/0xe0 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:121 kasan_save_stack+0x1b/0x40 mm/kasan/common.c:38 kasan_set_track mm/kasan/common.c:46 [inline] set_alloc_info mm/kasan/common.c:434 [inline] __kasan_slab_alloc+0x84/0xa0 mm/kasan/common.c:467 kasan_slab_alloc include/linux/kasan.h:253 [inline] slab_post_alloc_hook mm/slab.h:512 [inline] slab_alloc_node mm/slub.c:2970 [inline] slab_alloc mm/slub.c:2978 [inline] kmem_cache_alloc+0x29b/0x4a0 mm/slub.c:2983 kmem_cache_zalloc include/linux/slab.h:711 [inline] sctp_chunkify+0x4b/0x2e0 net/sctp/sm_make_chunk.c:1381 _sctp_make_chunk+0x149/0x260 net/sctp/sm_make_chunk.c:1454 sctp_make_data net/sctp/sm_make_chunk.c:1475 [inline] sctp_make_datafrag_empty+0x164/0x230 net/sctp/sm_make_chunk.c:740 sctp_datamsg_from_user+0x615/0x1230 net/sctp/chunk.c:262 sctp_sendmsg_to_asoc+0x13af/0x2180 net/sctp/socket.c:1855 sctp_sendmsg+0x103b/0x1d30 net/sctp/socket.c:2027 inet_sendmsg+0x99/0xe0 net/ipv4/af_inet.c:821 sock_sendmsg_nosec net/socket.c:703 [inline] sock_sendmsg+0xcf/0x120 net/socket.c:723 ____sys_sendmsg+0x6e8/0x810 net/socket.c:2392 ___sys_sendmsg+0xf3/0x170 net/socket.c:2446 __sys_sendmsg+0xe5/0x1b0 net/socket.c:2475 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x4665d9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f3c2a560188 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 RDX: 00000000000000fc RSI: 0000000020000600 RDI: 0000000000000003 RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007ffc8c11930f R14: 00007f3c2a560300 R15: 0000000000022000