Oops: general protection fault, probably for non-canonical address 0xf81ffbf1100c1d95: 0000 [#1] SMP KASAN PTI
KASAN: maybe wild-memory-access in range [0xc0ffff888060eca8-0xc0ffff888060ecaf]
CPU: 1 UID: 0 PID: 5898 Comm: kworker/1:5 Not tainted 6.15.0-rc7-syzkaller-00152-gd0c22de9995b #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: mld mld_ifc_work
RIP: 0010:read_pnet include/net/net_namespace.h:409 [inline]
RIP: 0010:dev_net include/linux/netdevice.h:2708 [inline]
RIP: 0010:rt6_is_valid net/ipv6/route.c:1435 [inline]
RIP: 0010:rt6_get_pcpu_route net/ipv6/route.c:1445 [inline]
RIP: 0010:ip6_pol_route+0x497/0x1180 net/ipv6/route.c:2299
Code: e0 48 c1 e8 03 42 80 3c 30 00 74 08 4c 89 e7 e8 4f e6 18 f8 41 bf 08 01 00 00 4d 03 3c 24 e8 30 ae 48 01 4c 89 f8 48 c1 e8 03 <42> 80 3c 30 00 74 08 4c 89 ff e8 2a e6 18 f8 41 be 0c 0f 00 00 4d
RSP: 0018:ffffc90000a08540 EFLAGS: 00010a06
RAX: 181ffff1100c1d95 RBX: 00000000ff000000 RCX: ffff88807cf41e00
RDX: ffff88807cf41e00 RSI: 00000000ff000000 RDI: 0000000000000000
RBP: ffffc90000a08650 R08: 0000000000000000 R09: ffff888068250280
R10: dffffc0000000000 R11: fffffbfff1efc16f R12: ffff888033c48501
R13: ffffffff8a06dcf2 R14: dffffc0000000000 R15: c0ffff888060eca8
FS: 0000000000000000(0000) GS:ffff8881261f6000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdf35e2ade5 CR3: 000000007ed1c000 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+0x52f/0x6f0 net/ipv6/fib6_rules.c:120
ip6_route_input_lookup net/ipv6/route.c:2335 [inline]
ip6_route_input+0x6ce/0xa50 net/ipv6/route.c:2631
ip6_rcv_finish+0x141/0x2d0 net/ipv6/ip6_input.c:77
NF_HOOK+0x30c/0x3a0 include/linux/netfilter.h:314
__netif_receive_skb_one_core net/core/dev.c:5887 [inline]
__netif_receive_skb+0xd3/0x380 net/core/dev.c:6000
process_backlog+0x60e/0x14f0 net/core/dev.c:6352
__napi_poll+0xc7/0x480 net/core/dev.c:7324
napi_poll net/core/dev.c:7388 [inline]
net_rx_action+0x6ea/0xdf0 net/core/dev.c:7510
handle_softirqs+0x283/0x870 kernel/softirq.c:579
do_softirq+0xec/0x180 kernel/softirq.c:480
__local_bh_enable_ip+0x17d/0x1c0 kernel/softirq.c:407
local_bh_enable include/linux/bottom_half.h:33 [inline]
rcu_read_unlock_bh include/linux/rcupdate.h:910 [inline]
__dev_queue_xmit+0x1cd7/0x3a70 net/core/dev.c:4656
dev_queue_xmit include/linux/netdevice.h:3350 [inline]
neigh_hh_output include/net/neighbour.h:523 [inline]
neigh_output include/net/neighbour.h:537 [inline]
ip6_finish_output2+0x11bc/0x16a0 net/ipv6/ip6_output.c:141
__ip6_finish_output net/ipv6/ip6_output.c:-1 [inline]
ip6_finish_output+0x234/0x7d0 net/ipv6/ip6_output.c:226
NF_HOOK+0x9e/0x380 include/linux/netfilter.h:314
mld_sendpack+0x800/0xd80 net/ipv6/mcast.c:1868
mld_send_cr net/ipv6/mcast.c:2169 [inline]
mld_ifc_work+0x835/0xde0 net/ipv6/mcast.c:2702
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0xade/0x17a0 kernel/workqueue.c:3319
worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
kthread+0x711/0x8a0 kernel/kthread.c:464
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:read_pnet include/net/net_namespace.h:409 [inline]
RIP: 0010:dev_net include/linux/netdevice.h:2708 [inline]
RIP: 0010:rt6_is_valid net/ipv6/route.c:1435 [inline]
RIP: 0010:rt6_get_pcpu_route net/ipv6/route.c:1445 [inline]
RIP: 0010:ip6_pol_route+0x497/0x1180 net/ipv6/route.c:2299
Code: e0 48 c1 e8 03 42 80 3c 30 00 74 08 4c 89 e7 e8 4f e6 18 f8 41 bf 08 01 00 00 4d 03 3c 24 e8 30 ae 48 01 4c 89 f8 48 c1 e8 03 <42> 80 3c 30 00 74 08 4c 89 ff e8 2a e6 18 f8 41 be 0c 0f 00 00 4d
RSP: 0018:ffffc90000a08540 EFLAGS: 00010a06
RAX: 181ffff1100c1d95 RBX: 00000000ff000000 RCX: ffff88807cf41e00
RDX: ffff88807cf41e00 RSI: 00000000ff000000 RDI: 0000000000000000
RBP: ffffc90000a08650 R08: 0000000000000000 R09: ffff888068250280
R10: dffffc0000000000 R11: fffffbfff1efc16f R12: ffff888033c48501
R13: ffffffff8a06dcf2 R14: dffffc0000000000 R15: c0ffff888060eca8
FS: 0000000000000000(0000) GS:ffff8881261f6000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdf35e2ade5 CR3: 000000007ed1c000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: e0 48 loopne 0x4a
2: c1 e8 03 shr $0x3,%eax
5: 42 80 3c 30 00 cmpb $0x0,(%rax,%r14,1)
a: 74 08 je 0x14
c: 4c 89 e7 mov %r12,%rdi
f: e8 4f e6 18 f8 call 0xf818e663
14: 41 bf 08 01 00 00 mov $0x108,%r15d
1a: 4d 03 3c 24 add (%r12),%r15
1e: e8 30 ae 48 01 call 0x148ae53
23: 4c 89 f8 mov %r15,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 80 3c 30 00 cmpb $0x0,(%rax,%r14,1) <-- trapping instruction
2f: 74 08 je 0x39
31: 4c 89 ff mov %r15,%rdi
34: e8 2a e6 18 f8 call 0xf818e663
39: 41 be 0c 0f 00 00 mov $0xf0c,%r14d
3f: 4d rex.WRB