BUG: soft lockup in ieee802154

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-4.19	BUG: soft lockup in ieee802154_rcv				1	944d	944d	0/1	auto-closed as invalid on 2022/01/14 23:47
upstream	INFO: rcu detected stall in ieee802154_rcv wpan				1	895d	895d	0/26	auto-closed as invalid on 2022/02/02 21:15

watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [syz-executor.4:8658] Modules linked in: irq event stamp: 2678019 hardirqs last enabled at (2678018): [<ffffffff881950e9>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:160 [inline] hardirqs last enabled at (2678018): [<ffffffff881950e9>] _raw_spin_unlock_irqrestore+0x79/0xe0 kernel/locking/spinlock.c:184 hardirqs last disabled at (2678019): [<ffffffff81003d00>] trace_hardirqs_off_thunk+0x1a/0x1c softirqs last enabled at (25874): [<ffffffff86768005>] rcu_read_unlock_bh include/linux/rcupdate.h:717 [inline] softirqs last enabled at (25874): [<ffffffff86768005>] __dev_queue_xmit+0x15f5/0x2e00 net/core/dev.c:3865 softirqs last disabled at (25875): [<ffffffff88200daa>] do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092 CPU: 1 PID: 8658 Comm: syz-executor.4 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:__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:ffff8880ba107a80 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff13 RAX: 1ffffffff13e3051 RBX: 0000000000000206 RCX: 1ffff11009db3957 RDX: dffffc0000000000 RSI: ffff88804ed9ca98 RDI: 0000000000000206 RBP: ffff8880ba12a240 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88808d25e980 R13: ffff8880ba107af0 R14: 0000000000000000 R15: 0000000000000000 FS: 00007ff05c04e700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555570ec708 CR3: 00000000a9bb9000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <IRQ> spin_unlock_irqrestore include/linux/spinlock.h:384 [inline] trace_drop_common.constprop.0+0x2c6/0x570 net/core/drop_monitor.c:201 trace_kfree_skb include/trace/events/skb.h:15 [inline] kfree_skb+0x216/0x3d0 net/core/skbuff.c:671 raw_rcv_skb.isra.0+0xd4/0xf0 net/ieee802154/socket.c:363 ieee802154_dgram_deliver net/ieee802154/socket.c:824 [inline] ieee802154_rcv+0x5d5/0x6f0 net/ieee802154/socket.c:1099 __netif_receive_skb_one_core+0x114/0x180 net/core/dev.c:4954 __netif_receive_skb+0x27/0x1c0 net/core/dev.c:5066 netif_receive_skb_internal+0xf0/0x3f0 net/core/dev.c:5156 ieee802154_deliver_skb net/mac802154/rx.c:37 [inline] ieee802154_subif_frame net/mac802154/rx.c:110 [inline] __ieee802154_rx_handle_packet net/mac802154/rx.c:220 [inline] ieee802154_rx+0x1335/0x1980 net/mac802154/rx.c:292 ieee802154_tasklet_handler+0xd9/0x100 net/mac802154/main.c:43 tasklet_action_common.constprop.0+0x265/0x360 kernel/softirq.c:522 __do_softirq+0x265/0x980 kernel/softirq.c:292 do_softirq_own_stack+0x2a/0x40 arch/x86/entry/entry_64.S:1092 </IRQ> do_softirq.part.0+0x160/0x1c0 kernel/softirq.c:336 do_softirq kernel/softirq.c:328 [inline] __local_bh_enable_ip+0x20e/0x270 kernel/softirq.c:189 local_bh_enable include/linux/bottom_half.h:32 [inline] rcu_read_unlock_bh include/linux/rcupdate.h:721 [inline] __dev_queue_xmit+0x1628/0x2e00 net/core/dev.c:3865 dgram_sendmsg+0x9c5/0xd10 net/ieee802154/socket.c:697 sock_sendmsg_nosec net/socket.c:651 [inline] sock_sendmsg+0xc3/0x120 net/socket.c:661 ___sys_sendmsg+0x3b3/0x8e0 net/socket.c:2227 __sys_sendmmsg+0x195/0x470 net/socket.c:2322 __do_sys_sendmmsg net/socket.c:2351 [inline] __se_sys_sendmmsg net/socket.c:2348 [inline] __x64_sys_sendmmsg+0x99/0x100 net/socket.c:2348 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7ff05d6d8fe9 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:00007ff05c04e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000133 RAX: ffffffffffffffda RBX: 00007ff05d7ebf60 RCX: 00007ff05d6d8fe9 RDX: 0400000000000116 RSI: 0000000020002240 RDI: 0000000000000005 RBP: 00007ff05d73308d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fffa36fa8bf R14: 00007ff05c04e300 R15: 0000000000022000 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:debug_lockdep_rcu_enabled kernel/rcu/update.c:254 [inline] RIP: 0010:debug_lockdep_rcu_enabled kernel/rcu/update.c:251 [inline] RIP: 0010:rcu_read_lock_sched_held+0x9e/0x1d0 kernel/rcu/update.c:111 Code: 08 b8 01 00 00 00 5b 5d c3 65 48 8b 2c 25 c0 df 01 00 48 8d bd 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 7c 08 84 d2 0f 85 dd RSP: 0018:ffff8880b5a5fde0 EFLAGS: 00000a03 RAX: dffffc0000000000 RBX: ffffffff8a45f160 RCX: 0000000000000001 RDX: 1ffff11016b49958 RSI: 0000000000000002 RDI: ffff8880b5a4cac4 RBP: ffff8880b5a4c240 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000006 R13: 0000000000000100 R14: 0000000000000006 R15: dffffc0000000000 FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555570f5848 CR3: 00000000afa98000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: trace_softirq_entry include/trace/events/irq.h:128 [inline] __do_softirq+0x7c0/0x980 kernel/softirq.c:291 run_ksoftirqd+0x57/0x110 kernel/softirq.c:653 smpboot_thread_fn+0x655/0x9e0 kernel/smpboot.c:164 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 ---------------- Code disassembly (best guess): 0: 48 c7 c0 88 82 f1 89 mov $0xffffffff89f18288,%rax 7: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx e: fc ff df 11: 48 c1 e8 03 shr $0x3,%rax 15: 80 3c 10 00 cmpb $0x0,(%rax,%rdx,1) 19: 75 2f jne 0x4a 1b: 48 83 3d 7c 31 d8 01 cmpq $0x0,0x1d8317c(%rip) # 0x1d8319f 22: 00 23: 74 15 je 0x3a 25: 48 89 df mov %rbx,%rdi 28: 57 push %rdi 29: 9d popfq * 2a: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1) <-- trapping instruction 2f: eb b2 jmp 0xffffffe3 31: e8 fb eb e6 f8 callq 0xf8e6ec31 36: eb c0 jmp 0xfffffff8 38: 0f 0b ud2 3a: 0f 0b ud2 3c: 48 rex.W 3d: c7 .byte 0xc7 3e: c7 (bad) 3f: 88 .byte 0x88