Oops: general protection fault, probably for non-canonical address 0xe81ffbf1100f34c9: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: maybe wild-memory-access in range [0x40ffff888079a648-0x40ffff888079a64f]
CPU: 0 UID: 0 PID: 5849 Comm: kworker/0:3 Not tainted 6.12.0-syzkaller-09567-g7eef7e306d3c #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: mld mld_dad_work
RIP: 0010:read_pnet include/net/net_namespace.h:387 [inline]
RIP: 0010:dev_net include/linux/netdevice.h:2635 [inline]
RIP: 0010:rt6_is_valid net/ipv6/route.c:1401 [inline]
RIP: 0010:rt6_get_pcpu_route net/ipv6/route.c:1411 [inline]
RIP: 0010:ip6_pol_route+0x531/0x15d0 net/ipv6/route.c:2264
Code: 08 00 74 08 4c 89 f7 e8 8d 68 92 f7 bb 08 01 00 00 49 03 1e e8 d0 52 5e 01 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 61 68 92 f7 41 bc cc 0e 00 00 4c 03
RSP: 0018:ffffc900000073a0 EFLAGS: 00010206
RAX: 081ffff1100f34c9 RBX: 40ffff888079a648 RCX: dffffc0000000000
RDX: ffff88807b531e00 RSI: 00000000ff000000 RDI: 0000000000000000
RBP: ffffc900000074f0 R08: ffffffff8a6b312b R09: ffff88802750f780
R10: dffffc0000000000 R11: fffffbfff203a1af R12: ffffc90000007470
R13: 1ffff92000000e8e R14: ffff888033f52001 R15: 00000000ff000000
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd9697ff000 CR3: 000000006e79e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
pol_lookup_func include/net/ip6_fib.h:616 [inline]
fib6_rule_lookup+0x58c/0x790 net/ipv6/fib6_rules.c:117
ip6_route_input_lookup net/ipv6/route.c:2300 [inline]
ip6_route_input+0x859/0xd90 net/ipv6/route.c:2596
ip6_rcv_finish+0x144/0x180 net/ipv6/ip6_input.c:77
NF_HOOK+0x3a4/0x450 include/linux/netfilter.h:314
__netif_receive_skb_one_core net/core/dev.c:5672 [inline]
__netif_receive_skb+0x1ea/0x650 net/core/dev.c:5785
process_backlog+0x662/0x15b0 net/core/dev.c:6117
__napi_poll+0xcb/0x490 net/core/dev.c:6877
napi_poll net/core/dev.c:6946 [inline]
net_rx_action+0x89b/0x1240 net/core/dev.c:7068
handle_softirqs+0x2c5/0x980 kernel/softirq.c:554
do_softirq+0x11b/0x1e0 kernel/softirq.c:455
__local_bh_enable_ip+0x1bb/0x200 kernel/softirq.c:382
local_bh_enable include/linux/bottom_half.h:33 [inline]
rcu_read_unlock_bh include/linux/rcupdate.h:919 [inline]
__dev_queue_xmit+0x1775/0x3f50 net/core/dev.c:4461
dev_queue_xmit include/linux/netdevice.h:3168 [inline]
neigh_hh_output include/net/neighbour.h:523 [inline]
neigh_output include/net/neighbour.h:537 [inline]
ip6_finish_output2+0x1284/0x17b0 net/ipv6/ip6_output.c:141
ip6_finish_output+0x41e/0x840 net/ipv6/ip6_output.c:226
NF_HOOK+0x9e/0x430 include/linux/netfilter.h:314
mld_sendpack+0x843/0xdb0 net/ipv6/mcast.c:1819
mld_dad_work+0x44/0x500 net/ipv6/mcast.c:2260
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:read_pnet include/net/net_namespace.h:387 [inline]
RIP: 0010:dev_net include/linux/netdevice.h:2635 [inline]
RIP: 0010:rt6_is_valid net/ipv6/route.c:1401 [inline]
RIP: 0010:rt6_get_pcpu_route net/ipv6/route.c:1411 [inline]
RIP: 0010:ip6_pol_route+0x531/0x15d0 net/ipv6/route.c:2264
Code: 08 00 74 08 4c 89 f7 e8 8d 68 92 f7 bb 08 01 00 00 49 03 1e e8 d0 52 5e 01 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df <80> 3c 08 00 74 08 48 89 df e8 61 68 92 f7 41 bc cc 0e 00 00 4c 03
RSP: 0018:ffffc900000073a0 EFLAGS: 00010206
RAX: 081ffff1100f34c9 RBX: 40ffff888079a648 RCX: dffffc0000000000
RDX: ffff88807b531e00 RSI: 00000000ff000000 RDI: 0000000000000000
RBP: ffffc900000074f0 R08: ffffffff8a6b312b R09: ffff88802750f780
R10: dffffc0000000000 R11: fffffbfff203a1af R12: ffffc90000007470
R13: 1ffff92000000e8e R14: ffff888033f52001 R15: 00000000ff000000
FS: 0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd9697ff000 CR3: 000000006e79e000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 08 00 or %al,(%rax)
2: 74 08 je 0xc
4: 4c 89 f7 mov %r14,%rdi
7: e8 8d 68 92 f7 call 0xf7926899
c: bb 08 01 00 00 mov $0x108,%ebx
11: 49 03 1e add (%r14),%rbx
14: e8 d0 52 5e 01 call 0x15e52e9
19: 48 89 d8 mov %rbx,%rax
1c: 48 c1 e8 03 shr $0x3,%rax
20: 48 b9 00 00 00 00 00 movabs $0xdffffc0000000000,%rcx
27: fc ff df
* 2a: 80 3c 08 00 cmpb $0x0,(%rax,%rcx,1) <-- trapping instruction
2e: 74 08 je 0x38
30: 48 89 df mov %rbx,%rdi
33: e8 61 68 92 f7 call 0xf7926899
38: 41 bc cc 0e 00 00 mov $0xecc,%r12d
3e: 4c rex.WR
3f: 03 .byte 0x3