batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: batadv0: Interface activated: batadv_slave_0 ------------[ cut here ]------------ raw_local_irq_restore() called with IRQs enabled WARNING: CPU: 0 PID: 19853 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1d/0x20 kernel/locking/irqflag-debug.c:10 Modules linked in: CPU: 0 PID: 19853 Comm: syz-executor.5 Not tainted 5.11.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 kernel/locking/irqflag-debug.c:10 Code: 24 48 c7 c7 60 7b 89 88 e8 ec df c1 ff 80 3d ee fe e5 03 00 74 01 c3 48 c7 c7 60 f3 8a 88 c6 05 dd fe e5 03 01 e8 e1 de c1 ff <0f> 0b c3 48 39 77 10 0f 84 97 00 00 00 66 f7 47 22 f0 ff 74 4b 48 RSP: 0018:ffffc900025f6d40 EFLAGS: 00010282 RAX: 0000000000000000 RBX: ffff88803e769268 RCX: 0000000000000000 RDX: 0000000000000202 RSI: ffffffff88de2c80 RDI: fffff520004bed9a RBP: 0000000000000200 R08: 0000000000000001 R09: ffff8880b9e4c1a7 R10: ffffed10173c9834 R11: 0000000000000001 R12: 0000000000000003 R13: ffffed1007ced24d R14: 0000000000000001 R15: ffff8880b9e51f00 FS: 000000000191d400(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f057215f000 CR3: 000000004c358000 CR4: 00000000001506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kvm_wait arch/x86/kernel/kvm.c:860 [inline] kvm_wait+0xc9/0xe0 arch/x86/kernel/kvm.c:837 pv_wait arch/x86/include/asm/paravirt.h:564 [inline] pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:470 [inline] __pv_queued_spin_lock_slowpath+0x8b8/0xb40 kernel/locking/qspinlock.c:508 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:554 [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_bh include/linux/spinlock.h:359 [inline] batadv_tt_local_resize_to_mtu+0x6c/0xe0 net/batman-adv/translation-table.c:3978 batadv_hardif_activate_interface.part.0.cold+0x65/0x1b4 net/batman-adv/hard-interface.c:655 batadv_hardif_activate_interface net/batman-adv/hard-interface.c:989 [inline] batadv_hard_if_event+0x2f1/0x1150 net/batman-adv/hard-interface.c:1005 notifier_call_chain+0x94/0x170 kernel/notifier.c:83 call_netdevice_notifiers_extack net/core/dev.c:2075 [inline] call_netdevice_notifiers net/core/dev.c:2089 [inline] __dev_notify_flags+0xcd/0x220 net/core/dev.c:8695 dev_change_flags+0xf6/0x150 net/core/dev.c:8733 do_setlink+0x77c/0x2f10 net/core/rtnetlink.c:2708 __rtnl_newlink+0xab2/0x1350 net/core/rtnetlink.c:3376 rtnl_newlink+0x5a/0x90 net/core/rtnetlink.c:3491 rtnetlink_rcv_msg+0x32f/0x860 net/core/rtnetlink.c:5553 netlink_rcv_skb+0x118/0x370 net/netlink/af_netlink.c:2502 netlink_unicast_kernel net/netlink/af_netlink.c:1312 [inline] netlink_unicast+0x42e/0x700 net/netlink/af_netlink.c:1338 netlink_sendmsg+0x70e/0xbe0 net/netlink/af_netlink.c:1927 sock_sendmsg_nosec net/socket.c:652 [inline] sock_sendmsg+0xab/0xe0 net/socket.c:672 __sys_sendto+0x1a4/0x270 net/socket.c:1975 __do_sys_sendto net/socket.c:1987 [inline] __se_sys_sendto net/socket.c:1983 [inline] __x64_sys_sendto+0xd8/0x1b0 net/socket.c:1983 do_syscall_64+0x2d/0x70 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x41957c Code: fa fa ff ff 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 20 fb ff ff 48 8b RSP: 002b:00007ffc58692b80 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00000000014a4320 RCX: 000000000041957c RDX: 000000000000002c RSI: 00000000014a4370 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007ffc58692bd4 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00000000014a4370 R14: 0000000000000003 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 24 48 and $0x48,%al 2: c7 c7 60 7b 89 88 mov $0x88897b60,%edi 8: e8 ec df c1 ff callq 0xffc1dff9 d: 80 3d ee fe e5 03 00 cmpb $0x0,0x3e5feee(%rip) # 0x3e5ff02 14: 74 01 je 0x17 16: c3 retq 17: 48 c7 c7 60 f3 8a 88 mov $0xffffffff888af360,%rdi 1e: c6 05 dd fe e5 03 01 movb $0x1,0x3e5fedd(%rip) # 0x3e5ff02 25: e8 e1 de c1 ff callq 0xffc1df0b 2a: 0f 0b ud2 <-- trapping instruction 2c: c3 retq 2d: 48 39 77 10 cmp %rsi,0x10(%rdi) 31: 0f 84 97 00 00 00 je 0xce 37: 66 f7 47 22 f0 ff testw $0xfff0,0x22(%rdi) 3d: 74 4b je 0x8a 3f: 48 rex.W