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BUG: KMSAN: uninit-value in bond_neigh_setup+0xa4/0x110 drivers/net/bonding/bond_main.c:3745
CPU: 1 PID: 16758 Comm: syz-executor.1 Not tainted 5.5.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1c9/0x220 lib/dump_stack.c:118
 kmsan_report+0xf8/0x1e0 mm/kmsan/kmsan_report.c:118
 __msan_warning+0x58/0xa0 mm/kmsan/kmsan_instr.c:215
 bond_neigh_setup+0xa4/0x110 drivers/net/bonding/bond_main.c:3745
 bond_neigh_init+0x216/0x4b0 drivers/net/bonding/bond_main.c:3716
 ___neigh_create+0x15f1/0x2e20 net/core/neighbour.c:613
 __neigh_create+0xbd/0xd0 net/core/neighbour.c:674
 ip6_finish_output2+0x149a/0x2670 net/ipv6/ip6_output.c:113
 __ip6_finish_output+0x83d/0x8f0 net/ipv6/ip6_output.c:142
 ip6_finish_output+0x2db/0x420 net/ipv6/ip6_output.c:152
 NF_HOOK_COND include/linux/netfilter.h:296 [inline]
 ip6_output+0x60a/0x770 net/ipv6/ip6_output.c:175
 dst_output include/net/dst.h:436 [inline]
 NF_HOOK include/linux/netfilter.h:307 [inline]
 mld_sendpack+0xebd/0x13d0 net/ipv6/mcast.c:1682
 mld_send_cr net/ipv6/mcast.c:1978 [inline]
 mld_ifc_timer_expire+0x1181/0x1790 net/ipv6/mcast.c:2477
 call_timer_fn+0x232/0x530 kernel/time/timer.c:1404
 expire_timers kernel/time/timer.c:1449 [inline]
 __run_timers+0xd60/0x1270 kernel/time/timer.c:1773
 run_timer_softirq+0x2d/0x50 kernel/time/timer.c:1786
 __do_softirq+0x4a1/0x83a kernel/softirq.c:293
 invoke_softirq kernel/softirq.c:375 [inline]
 irq_exit+0x230/0x280 kernel/softirq.c:416
 exiting_irq+0xe/0x10 arch/x86/include/asm/apic.h:536
 smp_apic_timer_interrupt+0x48/0x70 arch/x86/kernel/apic/apic.c:1140
 apic_timer_interrupt+0x2e/0x40 arch/x86/entry/entry_64.S:834
 </IRQ>
RIP: 0010:__msan_poison_alloca+0x6/0x120 mm/kmsan/kmsan_instr.c:172
Code: ff 75 e0 9d 89 d8 48 83 c4 10 5b 41 5e 41 5f 5d c3 0f 0b 48 c7 c7 af 16 87 bc 31 c0 e8 95 64 4a ff 0f 1f 00 55 48 89 e5 41 57 <41> 56 41 55 41 54 53 48 83 e4 f0 48 83 ec 50 80 3d ec 31 3f 0e 00
RSP: 0018:ffffafab59ccfd48 EFLAGS: 00000212 ORIG_RAX: ffffffffffffff13
RAX: 0000000000000000 RBX: ffffafab59ccfe10 RCX: ffffb7ab59ccfec8
RDX: ffffffffbcca7cc0 RSI: 0000000000000008 RDI: ffffafab59ccfe10
RBP: ffffafab59ccfd50 R08: 0000000000000000 R09: ffffa39b2fffb001
R10: 0000000000000000 R11: ffffffffae812580 R12: ffffafab59ccfec0
R13: 0000000000000000 R14: 0000000000000000 R15: 00000000072715d0
 __iter_div_u64_rem kernel/time/timekeeping.c:899 [inline]
 timespec64_add_ns include/linux/time64.h:156 [inline]
 ktime_get_ts64+0x565/0x830 kernel/time/timekeeping.c:899
 posix_ktime_get_ts+0x38/0x60 kernel/time/posix-timers.c:192
 __do_sys_clock_gettime kernel/time/posix-timers.c:1070 [inline]
 __se_sys_clock_gettime+0x263/0x350 kernel/time/posix-timers.c:1060
 __x64_sys_clock_gettime+0x3e/0x60 kernel/time/posix-timers.c:1060
 do_syscall_64+0xb6/0x160 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x44/0xa9
RIP: 0033:0x45d75a
Code: 25 18 00 00 00 00 74 01 f0 48 0f b1 3d ef b1 61 00 48 39 c2 75 da f3 c3 0f 1f 84 00 00 00 00 00 48 63 ff b8 e4 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 06 f3 c3 0f 1f 40 00 48 c7 c2 d4 ff ff ff f7
RSP: 002b:0000000000a6fbc8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e4
RAX: ffffffffffffffda RBX: 0000000000082701 RCX: 000000000045d75a
RDX: 0000000000000000 RSI: 0000000000a6fbd0 RDI: 0000000000000001
RBP: 0000000000000001 R08: 00000000fe976043 R09: ffffffffffffffff
R10: 0000000000a6fcd0 R11: 0000000000000246 R12: 000000000075c9a0
R13: 000000000075c9a0 R14: 0000000000761eb8 R15: 000000000075c07c

Local variable ----parms@bond_neigh_init created at:
 bond_neigh_init+0x8c/0x4b0 drivers/net/bonding/bond_main.c:3707
 bond_neigh_init+0x8c/0x4b0 drivers/net/bonding/bond_main.c:3707
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