IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready 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! watchdog: BUG: soft lockup - CPU#0 stuck for 23s! [syz-executor426:9477] Modules linked in: irq event stamp: 4006915 hardirqs last enabled at (4006914): [] restore_regs_and_return_to_kernel+0x0/0x2a hardirqs last disabled at (4006915): [] apic_timer_interrupt+0x8e/0xa0 arch/x86/entry/entry_64.S:793 softirqs last enabled at (0): [] copy_process.part.0+0x12d0/0x71c0 kernel/fork.c:1734 softirqs last disabled at (439): [] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (439): [] irq_exit+0x193/0x240 kernel/softirq.c:409 CPU: 0 PID: 9477 Comm: syz-executor426 Not tainted 4.14.249-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff88808f950640 task.stack: ffff88809e9b0000 RIP: 0010:on_stack arch/x86/include/asm/stacktrace.h:42 [inline] RIP: 0010:stack_access_ok arch/x86/kernel/unwind_orc.c:276 [inline] RIP: 0010:deref_stack_reg+0xb2/0x1a0 arch/x86/kernel/unwind_orc.c:286 RSP: 0018:ffff8880ba407620 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10 RAX: dffffc0000000000 RBX: 1ffff11017480ec5 RCX: ffffffff8ad096b8 RDX: 1ffff11017480eed RSI: ffff8880ba407c88 RDI: ffff8880ba407768 RBP: ffff8880ba407c88 R08: ffffffff8ad096bc R09: ffffffff8ad096bd watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [syz-executor426:9480] R10: 000000000011a232 R11: 0000000000000001 R12: ffff8880ba407758 Modules linked in: R13: ffff8880ba4077a0 R14: ffff8880ba400000 R15: ffff8880ba407758 FS: 0000555556bfd300(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 irq event stamp: 4344777 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000508 CR3: 00000000a0d6e000 CR4: 00000000003406f0 hardirqs last enabled at (4344776): [] restore_regs_and_return_to_kernel+0x0/0x2a DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 hardirqs last disabled at (4344777): [] apic_timer_interrupt+0x8e/0xa0 arch/x86/entry/entry_64.S:793 softirqs last enabled at (0): [] copy_process.part.0+0x12d0/0x71c0 kernel/fork.c:1734 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 softirqs last disabled at (311): [] invoke_softirq kernel/softirq.c:368 [inline] softirqs last disabled at (311): [] irq_exit+0x193/0x240 kernel/softirq.c:409 Call Trace: CPU: 1 PID: 9480 Comm: syz-executor426 Not tainted 4.14.249-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff88809efce000 task.stack: ffff88809ea48000 unwind_next_frame+0xc98/0x17d0 arch/x86/kernel/unwind_orc.c:425 RIP: 0010:unwind_next_frame+0x88a/0x17d0 arch/x86/kernel/unwind_orc.c:356 RSP: 0000:ffff8880ba507438 EFLAGS: 00000a03 ORIG_RAX: ffffffffffffff10 RAX: ffffffff8ad05a1d RBX: 1ffff110174a0e8e RCX: ffffffff8ad05a1c RDX: ffff8880ba507cd0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000002 R08: ffffffff8ad05a20 R09: ffffffff8ad05a21 R10: 0000000000119818 R11: 1ffffffff15a0b43 R12: ffff8880ba50752d R13: ffff8880ba507530 R14: ffff8880ba507548 R15: ffff8880ba5074f8 FS: 0000555556bfd300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 __save_stack_trace+0x90/0x160 arch/x86/kernel/stacktrace.c:44 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000508 CR3: 000000009eaff000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 save_stack mm/kasan/kasan.c:447 [inline] set_track mm/kasan/kasan.c:459 [inline] kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:551 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __save_stack_trace+0x90/0x160 arch/x86/kernel/stacktrace.c:44 save_stack mm/kasan/kasan.c:447 [inline] set_track mm/kasan/kasan.c:459 [inline] kasan_kmalloc+0xeb/0x160 mm/kasan/kasan.c:551 kmem_cache_alloc_trace+0x131/0x3d0 mm/slab.c:3618 kmalloc include/linux/slab.h:488 [inline] dst_cow_metrics_generic+0x48/0x130 net/core/dst.c:210 ipv6_cow_metrics+0x70/0x180 net/ipv6/route.c:196 dst_metrics_write_ptr include/net/dst.h:146 [inline] dst_metric_set include/net/dst.h:207 [inline] icmp6_dst_alloc+0x3f6/0x580 net/ipv6/route.c:1782 ndisc_send_skb+0xace/0x1390 net/ipv6/ndisc.c:463 __do_kmalloc mm/slab.c:3720 [inline] __kmalloc+0x15a/0x400 mm/slab.c:3729 kmalloc include/linux/slab.h:493 [inline] kzalloc include/linux/slab.h:661 [inline] neigh_alloc net/core/neighbour.c:324 [inline] __neigh_create+0x1db/0x19b0 net/core/neighbour.c:499 ndisc_send_rs+0x125/0x630 net/ipv6/ndisc.c:677 addrconf_rs_timer+0x2bb/0x5a0 net/ipv6/addrconf.c:3766 ip6_finish_output2+0x802/0x1f10 net/ipv6/ip6_output.c:117 call_timer_fn+0x14a/0x650 kernel/time/timer.c:1280 ip6_finish_output+0x5c6/0xd50 net/ipv6/ip6_output.c:192 NF_HOOK_COND include/linux/netfilter.h:239 [inline] ip6_output+0x1c5/0x660 net/ipv6/ip6_output.c:209 dst_output include/net/dst.h:470 [inline] NF_HOOK include/linux/netfilter.h:250 [inline] ndisc_send_skb+0x82a/0x1390 net/ipv6/ndisc.c:483 expire_timers+0x232/0x4d0 kernel/time/timer.c:1319 __run_timers kernel/time/timer.c:1637 [inline] run_timer_softirq+0x1d5/0x5a0 kernel/time/timer.c:1650 __do_softirq+0x24d/0x9ff kernel/softirq.c:288 ndisc_send_rs+0x125/0x630 net/ipv6/ndisc.c:677 addrconf_rs_timer+0x2bb/0x5a0 net/ipv6/addrconf.c:3766 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x193/0x240 kernel/softirq.c:409 exiting_irq arch/x86/include/asm/apic.h:638 [inline] smp_apic_timer_interrupt+0x141/0x5e0 arch/x86/kernel/apic/apic.c:1106 apic_timer_interrupt+0x93/0xa0 arch/x86/entry/entry_64.S:793 call_timer_fn+0x14a/0x650 kernel/time/timer.c:1280 RIP: 0010:kick_process+0x4/0x170 kernel/sched/core.c:1452 RSP: 0018:ffff88809e9b7e10 EFLAGS: 00000297 ORIG_RAX: ffffffffffffff10 RAX: ffff88808f950640 RBX: ffff8880a37f67c0 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8880a37f67c0 RDI: ffff88808f950640 RBP: ffff88808f950d98 R08: ffffffff8b9b6dd8 R09: 0000000000000000 expire_timers+0x232/0x4d0 kernel/time/timer.c:1319 R10: 0000000000000000 R11: ffff88808f950640 R12: ffff88808f950640 __run_timers kernel/time/timer.c:1637 [inline] run_timer_softirq+0x1d5/0x5a0 kernel/time/timer.c:1650 R13: ffffed1011f2a1b3 R14: ffffed10146fecf8 R15: 0000000000000000 set_notify_resume include/linux/tracehook.h:165 [inline] task_work_add+0xc0/0xe0 kernel/task_work.c:40 fput fs/file_table.c:271 [inline] fput+0xaa/0x140 fs/file_table.c:264 __do_softirq+0x24d/0x9ff kernel/softirq.c:288 filp_close+0xfd/0x140 fs/open.c:1164 __close_fd+0x151/0x230 fs/file.c:639 invoke_softirq kernel/softirq.c:368 [inline] irq_exit+0x193/0x240 kernel/softirq.c:409 SYSC_close fs/open.c:1177 [inline] SyS_close+0x42/0x90 fs/open.c:1175 exiting_irq arch/x86/include/asm/apic.h:638 [inline] smp_apic_timer_interrupt+0x141/0x5e0 arch/x86/kernel/apic/apic.c:1106 apic_timer_interrupt+0x93/0xa0 arch/x86/entry/entry_64.S:793 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0010:preempt_schedule_irq+0xa6/0x140 kernel/sched/core.c:3611 RIP: 0033:0x7f4c4104eb3b RSP: 0000:ffff88809ea4fe20 EFLAGS: 00000282 RSP: 002b:00007ffedd8a44b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 ORIG_RAX: ffffffffffffff10 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f4c4104eb3b RAX: 1ffffffff11e1273 RBX: dffffc0000000000 RCX: 0000000000000000 RDX: 0000000000042000 RSI: 0000000000000004 RDI: 0000000000000003 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88809efce884 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000150 RBP: ffffed1013df9c00 R08: ffff88823fff7058 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 000000000001a384 R13: 00007ffedd8a4540 R14: 00007ffedd8a4530 R15: 00007ffedd8a44e8 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88809efce000 Code: R13: ffffffff88f09398 R14: 0000000000000000 R15: 0000000000000000 ea retint_kernel+0x1b/0x2d 03 RIP: 0010:exit_to_usermode_loop+0x6c/0x200 arch/x86/entry/common.c:152 80 RSP: 0000:ffff88809ea4fef8 EFLAGS: 00000297 3c ORIG_RAX: ffffffffffffff09 RAX: ffff88809efce000 RBX: 0000000000000008 RCX: 0000000000000000 02 RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff88809efce884 RBP: dffffc0000000000 R08: ffff88823fff7058 R09: 0000000000000000 00 R10: 0000000000000000 R11: 0000000000000000 R12: ffffed1013df9c00 0f R13: ffff88809ea4ff58 R14: ffff88809efce000 R15: ffffffff88f09398 85 e6 prepare_exit_to_usermode+0x1af/0x210 arch/x86/entry/common.c:199 00 retint_user+0x8/0x18 00 RIP: 0033:0x7f4c4104eb00 00 RSP: 002b:00007ffedd8a44c8 EFLAGS: 00000202 49 ORIG_RAX: ffffffffffffff10 8d RAX: 0000000000000000 RBX: 0000000000000004 RCX: 00007f4c4108e6f9 7c RDX: 0000000000042000 RSI: 0000000000000004 RDI: 0000000000000003 24 RBP: 0000000000000000 R08: 0000000000000150 R09: 0000000000000150 10 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000001a3a1 4d R13: 00007ffedd8a4540 R14: 00007ffedd8a4530 R15: 00007ffedd8a44e8 8b Code: 74 00 24 00 08 48 48 89 b8 c8 00 49 00 8b 00 57 00 38 00 48 fc be ff 00 df 00 48 00 89 00 fa 00 48 fc c1 ff ea df 03 48 80 c1 3c e8 02 03 00 0f <0f> b6 85 3c b7 30 00 48 00 8d 00 41 49 01 39 49 ee 89 49 c3 8b 49 44 c1 24 eb 10 03 77 41 13 0f 48 b6 39 34 e8 33 76 <49> 0e 89 cb