IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready
batman_adv: batadv0: Interface activated: batadv_slave_1
IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready
IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready
watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [syz-executor.2:9489]
Modules linked in:
irq event stamp: 4112415
hardirqs last  enabled at (4112414): [<ffffffff87400976>] restore_regs_and_return_to_kernel+0x0/0x2a
hardirqs last disabled at (4112415): [<ffffffff874018ae>] apic_timer_interrupt+0x8e/0xa0 arch/x86/entry/entry_64.S:793 arch/x86/entry/entry_64.S:793
softirqs last  enabled at (14002): [<ffffffff8760068b>] __do_softirq+0x68b/0x9ff kernel/softirq.c:314 kernel/softirq.c:314
softirqs last disabled at (15833): [<ffffffff81321d13>] invoke_softirq kernel/softirq.c:368 [inline]
softirqs last disabled at (15833): [<ffffffff81321d13>] invoke_softirq kernel/softirq.c:368 [inline] kernel/softirq.c:409
softirqs last disabled at (15833): [<ffffffff81321d13>] irq_exit+0x193/0x240 kernel/softirq.c:409 kernel/softirq.c:409
CPU: 0 PID: 9489 Comm: syz-executor.2 Not tainted 4.14.258-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff88809a1a4680 task.stack: ffff88808eff0000
RIP: 0010:dst_alloc+0x78/0x6d0 net/core/dst.c:102 net/core/dst.c:102
RSP: 0018:ffff8880ba407a38 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10
RAX: 0000000000000000 RBX: ffff8880953dcc40 RCX: 00000000ffffffff
RDX: 1ffff11012a7b99f RSI: ffff888093d82940 RDI: ffff8880953dccf8
RBP: ffff888093d82940 R08: 0000000000000000 R09: 0000000000000002
R10: 0000000000000000 R11: ffff88809a1a4680 R12: ffffffff863829d0
R13: 0000000000000000 R14: 0000000000000001 R15: 00000000ffffffff
FS:  0000555556981400(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555555a7f708 CR3: 000000009d537000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 __ip6_dst_alloc net/ipv6/route.c:357 [inline]
 __ip6_dst_alloc net/ipv6/route.c:357 [inline] net/ipv6/route.c:370
 ip6_dst_alloc+0x39/0x2d0 net/ipv6/route.c:370 net/ipv6/route.c:370
 icmp6_dst_alloc+0x155/0x580 net/ipv6/route.c:1768 net/ipv6/route.c:1768
 ndisc_send_skb+0xace/0x1390 net/ipv6/ndisc.c:463 net/ipv6/ndisc.c:463
 ndisc_send_rs+0x125/0x630 net/ipv6/ndisc.c:677 net/ipv6/ndisc.c:677
 addrconf_rs_timer+0x2bb/0x5a0 net/ipv6/addrconf.c:3769 net/ipv6/addrconf.c:3769
 call_timer_fn+0x14a/0x650 kernel/time/timer.c:1280 kernel/time/timer.c:1280
 expire_timers+0x232/0x4d0 kernel/time/timer.c:1319 kernel/time/timer.c:1319
 __run_timers kernel/time/timer.c:1637 [inline]
 __run_timers kernel/time/timer.c:1637 [inline] kernel/time/timer.c:1650
 run_timer_softirq+0x1d5/0x5a0 kernel/time/timer.c:1650 kernel/time/timer.c:1650
 __do_softirq+0x24d/0x9ff kernel/softirq.c:288 kernel/softirq.c:288
 invoke_softirq kernel/softirq.c:368 [inline]
 invoke_softirq kernel/softirq.c:368 [inline] kernel/softirq.c:409
 irq_exit+0x193/0x240 kernel/softirq.c:409 kernel/softirq.c:409
 exiting_irq arch/x86/include/asm/apic.h:638 [inline]
 exiting_irq arch/x86/include/asm/apic.h:638 [inline] arch/x86/kernel/apic/apic.c:1106
 smp_apic_timer_interrupt+0x141/0x5e0 arch/x86/kernel/apic/apic.c:1106 arch/x86/kernel/apic/apic.c:1106
 apic_timer_interrupt+0x93/0xa0 arch/x86/entry/entry_64.S:793 arch/x86/entry/entry_64.S:793
 </IRQ>
RIP: 0010:__read_once_size include/linux/compiler.h:185 [inline]
RIP: 0010:compound_head include/linux/page-flags.h:147 [inline]
RIP: 0010:PageAnon include/linux/page-flags.h:406 [inline]
RIP: 0010:zap_pte_range mm/memory.c:1354 [inline]
RIP: 0010:zap_pmd_range mm/memory.c:1466 [inline]
RIP: 0010:zap_pud_range mm/memory.c:1495 [inline]
RIP: 0010:zap_p4d_range mm/memory.c:1516 [inline]
RIP: 0010:__read_once_size include/linux/compiler.h:185 [inline] mm/memory.c:1537
RIP: 0010:compound_head include/linux/page-flags.h:147 [inline] mm/memory.c:1537
RIP: 0010:PageAnon include/linux/page-flags.h:406 [inline] mm/memory.c:1537
RIP: 0010:zap_pte_range mm/memory.c:1354 [inline] mm/memory.c:1537
RIP: 0010:zap_pmd_range mm/memory.c:1466 [inline] mm/memory.c:1537
RIP: 0010:zap_pud_range mm/memory.c:1495 [inline] mm/memory.c:1537
RIP: 0010:zap_p4d_range mm/memory.c:1516 [inline] mm/memory.c:1537
RIP: 0010:unmap_page_range+0xdc2/0x1ce0 mm/memory.c:1537 mm/memory.c:1537
RSP: 0018:ffff88808eff7a70 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff10
RAX: 1ffffd4000470ae4 RBX: dffffc0000000000 RCX: ffff88808eff7c80
RDX: 0000000000000000 RSI: ffff88808eff7c80 RDI: ffff88808eff7c98
RBP: ffff88809bc1f0d0 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: ffff88809a1a4680 R12: ffffea0002385700
R13: ffffea0002385720 R14: 00007fe5a6e1b000 R15: 0000000000000000
 unmap_single_vma+0x147/0x2b0 mm/memory.c:1582 mm/memory.c:1582
 unmap_vmas+0x9d/0x160 mm/memory.c:1612 mm/memory.c:1612
 exit_mmap+0x270/0x4d0 mm/mmap.c:3058 mm/mmap.c:3058
 __mmput kernel/fork.c:931 [inline]
 mmput kernel/fork.c:952 [inline]
 __mmput kernel/fork.c:931 [inline] kernel/fork.c:947
 mmput kernel/fork.c:952 [inline] kernel/fork.c:947
 mmput+0xfa/0x420 kernel/fork.c:947 kernel/fork.c:947
 exit_mm kernel/exit.c:548 [inline]
 exit_mm kernel/exit.c:548 [inline] kernel/exit.c:855
 do_exit+0x984/0x2850 kernel/exit.c:855 kernel/exit.c:855
 do_group_exit+0x100/0x2e0 kernel/exit.c:965 kernel/exit.c:965
 SYSC_exit_group kernel/exit.c:976 [inline]
 SYSC_exit_group kernel/exit.c:976 [inline] kernel/exit.c:974
 SyS_exit_group+0x19/0x20 kernel/exit.c:974 kernel/exit.c:974
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fe5a6d96e99
RSP: 002b:00007fff1e526e58 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000000000000001e RCX: 00007fe5a6d96e99
RDX: 00007fe5a6d49adb RSI: ffffffffffffffbc RDI: 0000000000000000
RBP: 0000000000000000 R08: 00007fe5a6eaeba8 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000001 R15: 00007fff1e526f40
Code: 8f fb 48 8d bb b8 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 47 06 00 00 48 8b 83 b8 00 00 00 <48> 8d 7b 04 ba 00 00 00 00 48 89 f9 48 85 c0 48 0f 48 c2 48 c1 
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 8002 Comm: syz-executor.4 Not tainted 4.14.258-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff8880b280a4c0 task.stack: ffff888095548000
RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline]
RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline] kernel/kcov.c:60
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 kernel/kcov.c:60 kernel/kcov.c:60
RSP: 0018:ffff88809554fa58 EFLAGS: 00000202
RAX: 0000000000000003 RBX: 1ffff11012aa9f50 RCX: 1ffff110165015b2
RDX: 0000000000000000 RSI: ffff8880b280ad70 RDI: 0000000000000286
RBP: ffff88809554fb08 R08: ffff8880b280a4c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: ffff88809554fbc0 R14: 0000000000000001 R15: 0000000000000001
FS:  00005555571f7400(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd017aa73a5 CR3: 000000009d537000 CR4: 00000000003406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 rep_nop arch/x86/include/asm/processor.h:646 [inline]
 cpu_relax arch/x86/include/asm/processor.h:651 [inline]
 csd_lock_wait kernel/smp.c:108 [inline]
 rep_nop arch/x86/include/asm/processor.h:646 [inline] kernel/smp.c:302
 cpu_relax arch/x86/include/asm/processor.h:651 [inline] kernel/smp.c:302
 csd_lock_wait kernel/smp.c:108 [inline] kernel/smp.c:302
 smp_call_function_single+0x17f/0x370 kernel/smp.c:302 kernel/smp.c:302
 smp_call_function_many+0x60f/0x7a0 kernel/smp.c:434 kernel/smp.c:434
 flush_tlb_others arch/x86/include/asm/paravirt.h:309 [inline]
 flush_tlb_others arch/x86/include/asm/paravirt.h:309 [inline] arch/x86/mm/tlb.c:709
 flush_tlb_mm_range+0x158/0x2f0 arch/x86/mm/tlb.c:709 arch/x86/mm/tlb.c:709
 dup_mmap kernel/fork.c:721 [inline]
 dup_mm kernel/fork.c:1200 [inline]
 copy_mm kernel/fork.c:1255 [inline]
 dup_mmap kernel/fork.c:721 [inline] kernel/fork.c:1791
 dup_mm kernel/fork.c:1200 [inline] kernel/fork.c:1791
 copy_mm kernel/fork.c:1255 [inline] kernel/fork.c:1791
 copy_process.part.0+0x5fd9/0x71c0 kernel/fork.c:1791 kernel/fork.c:1791
 copy_process kernel/fork.c:1606 [inline]
 copy_process kernel/fork.c:1606 [inline] kernel/fork.c:2092
 _do_fork+0x184/0xc80 kernel/fork.c:2092 kernel/fork.c:2092
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fe929f7948b
RSP: 002b:00007ffd86e2a690 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe929f7948b
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000001 R08: 0000000000000000 R09: 00005555571f7400
R10: 00005555571f76d0 R11: 0000000000000246 R12: 0000000000000001
R13: 0000000000000000 R14: 0000000000000001 R15: 00007ffd86e2a770
Code: ff ff 48 89 df e8 51 af 29 00 e9 9f fe ff ff 4c 89 e7 e8 44 af 29 00 e9 2c fe ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <65> 48 8b 04 25 c0 7f 02 00 48 85 c0 74 1a 65 8b 15 eb 43 ad 7e 
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	fb                   	sti
   1:	48 8d bb b8 00 00 00 	lea    0xb8(%rbx),%rdi
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df
  12:	48 89 fa             	mov    %rdi,%rdx
  15:	48 c1 ea 03          	shr    $0x3,%rdx
  19:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
  1d:	0f 85 47 06 00 00    	jne    0x66a
  23:	48 8b 83 b8 00 00 00 	mov    0xb8(%rbx),%rax
* 2a:	48 8d 7b 04          	lea    0x4(%rbx),%rdi <-- trapping instruction
  2e:	ba 00 00 00 00       	mov    $0x0,%edx
  33:	48 89 f9             	mov    %rdi,%rcx
  36:	48 85 c0             	test   %rax,%rax
  39:	48 0f 48 c2          	cmovs  %rdx,%rax
  3d:	48                   	rex.W
  3e:	c1                   	.byte 0xc1
----------------
Code disassembly (best guess), 1 bytes skipped:
   0:	fb                   	sti
   1:	48 8d bb b8 00 00 00 	lea    0xb8(%rbx),%rdi
   8:	48 b8 00 00 00 00 00 	movabs $0xdffffc0000000000,%rax
   f:	fc ff df
  12:	48 89 fa             	mov    %rdi,%rdx
  15:	48 c1 ea 03          	shr    $0x3,%rdx
  19:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
  1d:	0f 85 47 06 00 00    	jne    0x66a
  23:	48 8b 83 b8 00 00 00 	mov    0xb8(%rbx),%rax
* 2a:	48 8d 7b 04          	lea    0x4(%rbx),%rdi <-- trapping instruction
  2e:	ba 00 00 00 00       	mov    $0x0,%edx
  33:	48 89 f9             	mov    %rdi,%rcx
  36:	48 85 c0             	test   %rax,%rax
  39:	48 0f 48 c2          	cmovs  %rdx,%rax
  3d:	48                   	rex.W
  3e:	c1                   	.byte 0xc1