watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.3:9634] Modules linked in: irq event stamp: 4508937 hardirqs last enabled at (4508936): [] trace_hardirqs_on_thunk+0x1a/0x1c hardirqs last disabled at (4508937): [] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (4461136): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (4461139): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (4461139): [] irq_exit+0x215/0x260 kernel/softirq.c:412 CPU: 1 PID: 9634 Comm: syz-executor.3 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 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:ffff8880ba107c80 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3051 RBX: ffff88801c280680 RCX: 0000000000004f6e RDX: dffffc0000000000 RSI: 0000000007aaf49f RDI: 0000000000000286 RBP: ffff88809b1288b8 R08: ffffffff8cd3f0b0 R09: 0000000000000001 R10: ffff88801c280f30 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001 FS: 00007f446a493700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f446a472718 CR3: 000000004b041000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2a/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] mrp_periodic_timer+0x34/0x170 net/802/mrp.c:625 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:debug_lockdep_rcu_enabled kernel/rcu/update.c:254 [inline] RIP: 0010:debug_lockdep_rcu_enabled+0x87/0xe0 kernel/rcu/update.c:251 Code: 7c 04 84 d2 75 64 8b 0d 07 53 f5 08 85 c9 74 45 65 48 8b 1c 25 c0 df 01 00 48 8d bb 84 08 00 00 48 b8 00 00 00 00 00 fc ff df <48> 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 RSP: 0018:ffff88821fa87af8 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 RAX: dffffc0000000000 RBX: ffff88801c280680 RCX: 0000000000000001 RDX: 0000000000000004 RSI: 0000000000000002 RDI: ffff88801c280f04 RBP: ffff88821fa87bd0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff88801c280680 R13: 000000000002b0c0 R14: ffff88821fa80000 R15: ffff8880ba12b0c0 schedule_debug kernel/sched/core.c:3337 [inline] __schedule+0x13d/0x2040 kernel/sched/core.c:3439 preempt_schedule_common+0x45/0xc0 kernel/sched/core.c:3641 ieee802154 phy0 wpan0: encryption failed: -22 ___preempt_schedule+0x16/0x18 ieee802154 phy1 wpan1: encryption failed: -22 bpf_test_run_one net/bpf/test_run.c:24 [inline] bpf_test_run+0x367/0x440 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: 0033:0x7f446bb3f109 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 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f446a493168 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007f446bc52030 RCX: 00007f446bb3f109 RDX: 0000000000000028 RSI: 0000000020000080 RDI: 000000000000000a RBP: 00007f446bb9908d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc52c007cf R14: 00007f446a493300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 9719 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__sanitizer_cov_trace_pc+0x27/0x50 kernel/kcov.c:104 Code: 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 00 00 48 8b 11 48 83 c2 01 48 39 RSP: 0018:ffff8880ba007f58 EFLAGS: 00000046 RAX: ffff888041f7c280 RBX: 0000000000000000 RCX: ffffffff8167afb6 RDX: 0000000000000002 RSI: ffffffff8167afbf RDI: 0000000000000005 RBP: ffffffff88200958 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007fd83e256700(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f14a99f0000 CR3: 0000000018253000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: trace_hardirqs_off_caller kernel/trace/trace_preemptirq.c:68 [inline] trace_hardirqs_off_caller+0x5f/0x210 kernel/trace/trace_preemptirq.c:60 trace_hardirqs_off_thunk+0x1a/0x1c interrupt_entry+0xb8/0xb9 arch/x86/entry/entry_64.S:642 RIP: 0010:unwind_next_frame+0xf4f/0x1400 arch/x86/kernel/unwind_orc.c:555 Code: 44 0f b6 04 30 49 8d 47 03 49 89 c1 49 c1 e9 03 41 0f b6 34 31 49 89 f9 41 83 e1 07 45 38 c8 41 0f 9e c1 45 84 c0 41 0f 95 c0 <45> 84 c1 0f 85 b3 02 00 00 83 e0 07 40 38 c6 41 0f 9e c0 40 84 f6 RSP: 0018:ffff88821dc0f2b8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 RAX: ffffffff8b9099eb RBX: 1ffff11043b81e60 RCX: ffffffff8b9099ed RDX: ffff88821dc0f4e0 RSI: 0000000000000000 RDI: ffffffff8b9099ea RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001 R10: ffff88821dc0f4ff R11: 0000000000074071 R12: ffff88821dc0f490 R13: ffff88821dc0f4d5 R14: ffff88821dc0f4a0 R15: ffffffff8b9099e8 __unwind_start+0x5b8/0x960 arch/x86/kernel/unwind_orc.c:667 unwind_start arch/x86/include/asm/unwind.h:60 [inline] __save_stack_trace+0x72/0x190 arch/x86/kernel/stacktrace.c:43 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 __do_kmalloc_node mm/slab.c:3689 [inline] __kmalloc_node_track_caller+0x4c/0x70 mm/slab.c:3703 __kmalloc_reserve net/core/skbuff.c:137 [inline] pskb_expand_head+0x159/0xf20 net/core/skbuff.c:1473 skb_ensure_writable+0x2c6/0x470 net/core/skbuff.c:5196 __bpf_try_make_writable net/core/filter.c:1633 [inline] bpf_try_make_writable net/core/filter.c:1639 [inline] bpf_try_make_head_writable net/core/filter.c:1647 [inline] ____bpf_clone_redirect net/core/filter.c:2088 [inline] bpf_clone_redirect+0x131/0x430 net/core/filter.c:2066 ___bpf_prog_run+0x1bfa/0x4e80 kernel/bpf/core.c:1184 ---------------- Code disassembly (best guess): 0: 08 00 or %al,(%rax) 2: 00 00 add %al,(%rax) 4: 00 00 add %al,(%rax) 6: 00 48 c1 add %cl,-0x3f(%rax) 9: e8 03 80 3c 10 callq 0x103c8011 e: 00 0f add %cl,(%rdi) 10: 85 b7 01 00 00 48 test %esi,0x48000001(%rdi) 16: 83 3d 09 2e a6 08 00 cmpl $0x0,0x8a62e09(%rip) # 0x8a62e26 1d: 0f 84 2a 01 00 00 je 0x14d 23: 48 8b 7c 24 08 mov 0x8(%rsp),%rdi 28: 57 push %rdi 29: 9d popfq * 2a: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) <-- trapping instruction 2f: 48 83 c4 18 add $0x18,%rsp 33: 5b pop %rbx 34: 5d pop %rbp 35: 41 5c pop %r12 37: 41 5d pop %r13 39: 41 5e pop %r14 3b: 41 5f pop %r15 3d: c3 retq 3e: 65 gs 3f: 8b .byte 0x8b