IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered forwarding state IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready watchdog: BUG: soft lockup - CPU#0 stuck for 111s! [syz-executor324:7167] Modules linked in: irq event stamp: 21110909 hardirqs last enabled at (21110908): [] restore_regs_and_return_to_kernel+0x0/0x27 hardirqs last disabled at (21110909): [] apic_timer_interrupt+0x91/0xa0 arch/x86/entry/entry_64.S:792 softirqs last enabled at (212234): [] __do_softirq+0x645/0x9a0 kernel/softirq.c:314 softirqs last disabled at (217039): [] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (217039): [] irq_exit+0x160/0x1b0 kernel/softirq.c:409 CPU: 0 PID: 7167 Comm: syz-executor324 Not tainted 4.14.161-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff88809c3f85c0 task.stack: ffff88807f700000 RIP: 0010:eth_hdr include/linux/if_ether.h:28 [inline] RIP: 0010:hsr_addr_subst_dest+0x82/0x3d0 net/hsr/hsr_framereg.c:308 RSP: 0018:ffff8880aec07ba0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 RAX: dffffc0000000000 RBX: ffff88809c9e5200 RCX: 1ffff1101393ca82 RDX: 1ffff1101393ca5a RSI: ffff88809c9e5200 RDI: ffff88809c9e52d0 RBP: ffff8880aec07be0 R08: ffff88809c9e5418 R09: ffffed101393ca59 R10: ffffed101393ca58 R11: ffff88809c9e52c7 R12: 0000000000000042 R13: ffff8880a099c400 R14: ffff88808a538480 R15: dffffc0000000000 FS: 0000000000e53940(0000) GS:ffff8880aec00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffcf7fb9c70 CR3: 0000000089d57000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hsr_xmit net/hsr/hsr_forward.c:230 [inline] hsr_forward_do net/hsr/hsr_forward.c:295 [inline] hsr_forward_skb+0x1025/0x1940 net/hsr/hsr_forward.c:373 send_hsr_supervision_frame+0x892/0xec0 net/hsr/hsr_device.c:319 hsr_announce+0xf5/0x340 net/hsr/hsr_device.c:348 call_timer_fn+0x161/0x670 kernel/time/timer.c:1279 expire_timers kernel/time/timer.c:1318 [inline] __run_timers kernel/time/timer.c:1636 [inline] __run_timers kernel/time/timer.c:1604 [inline] run_timer_softirq+0x5b7/0x1520 kernel/time/timer.c:1649 __do_softirq+0x244/0x9a0 kernel/softirq.c:288 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x160/0x1b0 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:648 [inline] smp_apic_timer_interrupt+0x146/0x5e0 arch/x86/kernel/apic/apic.c:1102 apic_timer_interrupt+0x96/0xa0 arch/x86/entry/entry_64.S:792 RIP: 0010:arch_local_irq_restore arch/x86/include/asm/paravirt.h:779 [inline] RIP: 0010:lock_acquire+0x1ea/0x430 kernel/locking/lockdep.c:3997 RSP: 0018:ffff88807f707850 EFLAGS: 00000282 ORIG_RAX: ffffffffffffff10 RAX: 1ffffffff0fe2d29 RBX: ffff88809c3f85c0 RCX: 000000005f421e46 RDX: dffffc0000000000 RSI: ffff88809c3f8e90 RDI: 0000000000000282 RBP: ffff88807f707898 R08: 0000000000005bf0 R09: ffffffff8958d9c0 R10: ffff88809c3f8e90 R11: ffff88809c3f85c0 R12: ffffffff8802c478 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline] _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:152 spin_lock include/linux/spinlock.h:317 [inline] get_anon_bdev+0x81/0x1c0 fs/super.c:961 set_anon_super fs/super.c:998 [inline] ns_set_super+0x40/0x50 fs/super.c:1029 sget_userns+0x7cd/0xc30 fs/super.c:522 mount_ns+0x6d/0x190 fs/super.c:1044 proc_mount+0x6a/0xa0 fs/proc/root.c:101 mount_fs+0x97/0x2a1 fs/super.c:1237 vfs_kern_mount.part.0+0x5e/0x3d0 fs/namespace.c:1046 vfs_kern_mount fs/namespace.c:1036 [inline] kern_mount_data+0x56/0xc0 fs/namespace.c:3329 pid_ns_prepare_proc+0x1e/0x90 fs/proc/root.c:222 alloc_pid+0x9f0/0xc70 kernel/pid.c:324 copy_process.part.0+0x272f/0x6a70 kernel/fork.c:1785 copy_process kernel/fork.c:1586 [inline] _do_fork+0x19e/0xce0 kernel/fork.c:2070 SYSC_clone kernel/fork.c:2180 [inline] SyS_clone+0x37/0x50 kernel/fork.c:2174 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4440b9 RSP: 002b:00007ffe26dd7f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004440b9 RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000000020002100 RBP: 0000000000000000 R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000404df0 R14: 0000000000000000 R15: 0000000000000000 Code: 41 83 fc ff 0f 84 c0 02 00 00 e8 ca 0b 01 fb 48 8d bb d0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 01 03 00 00 4c 03 a3 d0 00 00 00 48 b8 00 00 00 00 00 fc Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 7172 Comm: syz-executor324 Not tainted 4.14.161-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff88809bc6a1c0 task.stack: ffff8880a41a0000 RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:36 [inline] RIP: 0010:static_key_false include/linux/jump_label.h:142 [inline] RIP: 0010:native_write_msr+0x6/0x30 arch/x86/include/asm/msr.h:150 RSP: 0018:ffff8880aed07e70 EFLAGS: 00000046 RAX: 000000000000014f RBX: 0000000000000838 RCX: 0000000000000838 RDX: 0000000000000000 RSI: 000000000000014f RDI: 0000000000000838 RBP: ffff8880aed07e88 R08: 000000da14eb3c6e R09: ffff88821fff7048 R10: ffff88821fff7050 R11: 0000000000000001 R12: ffff8880aed1f140 R13: 000000000000014f R14: 0000000000000003 R15: 000000d8cc8fb6e0 FS: 0000000000e53940(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffdd71e7ff8 CR3: 000000009065a000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: apic_write arch/x86/include/asm/apic.h:395 [inline] lapic_next_event+0x57/0x90 arch/x86/kernel/apic/apic.c:469 clockevents_program_event+0x21a/0x2f0 kernel/time/clockevents.c:339 tick_program_event+0x83/0xe0 kernel/time/tick-oneshot.c:47 hrtimer_interrupt+0x329/0x5d0 kernel/time/hrtimer.c:1331 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1075 [inline] smp_apic_timer_interrupt+0x11c/0x5e0 arch/x86/kernel/apic/apic.c:1100 apic_timer_interrupt+0x96/0xa0 arch/x86/entry/entry_64.S:792 RIP: 0010:pv_wait_head_or_lock kernel/locking/qspinlock_paravirt.h:411 [inline] RIP: 0010:__pv_queued_spin_lock_slowpath+0x26d/0x950 kernel/locking/qspinlock.c:465 RSP: 0018:ffff8880a41a7890 EFLAGS: 00000206 ORIG_RAX: ffffffffffffff10 RAX: 0000000000000003 RBX: dffffc0000000000 RCX: fffffbfff10058a0 RDX: 000000000000435b RSI: 0000000000000001 RDI: 0000000000000282 RBP: ffff8880a41a78f8 R08: 0000000000000000 R09: ffff88809bc6aa60 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: ffff8880aed2c0c0 R14: ffffed1015da5820 R15: ffffffff8802c500 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:669 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:52 [inline] queued_spin_lock include/asm-generic/qspinlock.h:90 [inline] do_raw_spin_lock+0x190/0x230 kernel/locking/spinlock_debug.c:113 __raw_spin_lock include/linux/spinlock_api_smp.h:143 [inline] _raw_spin_lock+0x37/0x40 kernel/locking/spinlock.c:152 spin_lock include/linux/spinlock.h:317 [inline] sget_userns+0xa8/0xc30 fs/super.c:491 mount_ns+0x6d/0x190 fs/super.c:1044 proc_mount+0x6a/0xa0 fs/proc/root.c:101 mount_fs+0x97/0x2a1 fs/super.c:1237 vfs_kern_mount.part.0+0x5e/0x3d0 fs/namespace.c:1046 vfs_kern_mount fs/namespace.c:1036 [inline] kern_mount_data+0x56/0xc0 fs/namespace.c:3329 pid_ns_prepare_proc+0x1e/0x90 fs/proc/root.c:222 alloc_pid+0x9f0/0xc70 kernel/pid.c:324 copy_process.part.0+0x272f/0x6a70 kernel/fork.c:1785 copy_process kernel/fork.c:1586 [inline] _do_fork+0x19e/0xce0 kernel/fork.c:2070 SYSC_clone kernel/fork.c:2180 [inline] SyS_clone+0x37/0x50 kernel/fork.c:2174 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x4440b9 RSP: 002b:00007ffe26dd7f48 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000004440b9 RDX: 9999999999999999 RSI: 0000000000000000 RDI: 0000000020002100 RBP: 0000000000000000 R08: ffffffffffffffff R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000404df0 R14: 0000000000000000 R15: 0000000000000000 Code: e1 c7 86 0f 21 f8 c3 0f 21 c0 c3 0f 21 c8 c3 0f 21 d0 c3 0f 21 d8 c3 0f 21 f0 c3 0f 0b 0f 1f 84 00 00 00 00 00 89 f9 89 f0 0f 30 <0f> 1f 44 00 00 c3 55 48 c1 e2 20 89 f6 48 89 e5 48 09 d6 31 d2