batman_adv: batadv0: Removing interface: batadv_slave_1
veth1_macvtap: left promiscuous mode
veth0_macvtap: left promiscuous mode
veth1_vlan: left promiscuous mode
veth0_vlan: left promiscuous mode
Oops: general protection fault, probably for non-canonical address 0xdffffc001fffe000: 0000 [#1] SMP KASAN PTI
KASAN: probably user-memory-access in range [0x00000000ffff0000-0x00000000ffff0007]
CPU: 1 UID: 0 PID: 13 Comm: kworker/u8:1 Not tainted 6.15.0-rc4-syzkaller-00147-gebd297a2affa #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/29/2025
Workqueue: netns cleanup_net
RIP: 0010:ip6_mc_clear_src+0x119/0x4e0 net/ipv6/mcast.c:2599
Code: ff ff ff e8 29 ab 40 01 89 c5 31 ff 89 c6 e8 4e 85 aa f7 85 ed 74 45 e8 05 81 aa f7 eb 05 e8 fe 80 aa f7 4c 89 e0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 e7 e8 e8 75 0c f8 49 8b 2c 24 49 8d 7c
RSP: 0018:ffffc90000127198 EFLAGS: 00010206
RAX: 000000001fffe000 RBX: 1ffff11005278102 RCX: ffff88801bee0000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffffff8f7ed377 R09: 1ffffffff1efda6e
R10: dffffc0000000000 R11: fffffbfff1efda6f R12: 00000000ffff0000
R13: dffffc0000000000 R14: 0000000000000538 R15: ffff8880293c0810
FS: 0000000000000000(0000) GS:ffff8881261cc000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fb0500e7d60 CR3: 000000000dd36000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
__ipv6_dev_mc_dec+0x30d/0x390 net/ipv6/mcast.c:1021
addrconf_leave_solict net/ipv6/addrconf.c:2254 [inline]
__ipv6_ifa_notify+0x43d/0xac0 net/ipv6/addrconf.c:6299
addrconf_ifdown+0xe69/0x1880 net/ipv6/addrconf.c:3978
addrconf_notify+0x1bc/0x1010 net/ipv6/addrconf.c:-1
notifier_call_chain+0x1b3/0x3e0 kernel/notifier.c:85
call_netdevice_notifiers_extack net/core/dev.c:2214 [inline]
call_netdevice_notifiers net/core/dev.c:2228 [inline]
dev_close_many+0x29c/0x410 net/core/dev.c:1731
unregister_netdevice_many_notify+0x834/0x2330 net/core/dev.c:11952
unregister_netdevice_many net/core/dev.c:12046 [inline]
default_device_exit_batch+0x819/0x890 net/core/dev.c:12538
ops_exit_list net/core/net_namespace.c:177 [inline]
cleanup_net+0x7a9/0xbd0 net/core/net_namespace.c:654
process_one_work kernel/workqueue.c:3238 [inline]
process_scheduled_works+0xadb/0x17a0 kernel/workqueue.c:3319
worker_thread+0x8a0/0xda0 kernel/workqueue.c:3400
kthread+0x70e/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
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:ip6_mc_clear_src+0x119/0x4e0 net/ipv6/mcast.c:2599
Code: ff ff ff e8 29 ab 40 01 89 c5 31 ff 89 c6 e8 4e 85 aa f7 85 ed 74 45 e8 05 81 aa f7 eb 05 e8 fe 80 aa f7 4c 89 e0 48 c1 e8 03 <42> 80 3c 28 00 74 08 4c 89 e7 e8 e8 75 0c f8 49 8b 2c 24 49 8d 7c
RSP: 0018:ffffc90000127198 EFLAGS: 00010206
RAX: 000000001fffe000 RBX: 1ffff11005278102 RCX: ffff88801bee0000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000001 R08: ffffffff8f7ed377 R09: 1ffffffff1efda6e
R10: dffffc0000000000 R11: fffffbfff1efda6f R12: 00000000ffff0000
R13: dffffc0000000000 R14: 0000000000000538 R15: ffff8880293c0810
FS: 0000000000000000(0000) GS:ffff8881261cc000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055cc4ad91f50 CR3: 000000007b2a6000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess), 3 bytes skipped:
0: e8 29 ab 40 01 call 0x140ab2e
5: 89 c5 mov %eax,%ebp
7: 31 ff xor %edi,%edi
9: 89 c6 mov %eax,%esi
b: e8 4e 85 aa f7 call 0xf7aa855e
10: 85 ed test %ebp,%ebp
12: 74 45 je 0x59
14: e8 05 81 aa f7 call 0xf7aa811e
19: eb 05 jmp 0x20
1b: e8 fe 80 aa f7 call 0xf7aa811e
20: 4c 89 e0 mov %r12,%rax
23: 48 c1 e8 03 shr $0x3,%rax
* 27: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1) <-- trapping instruction
2c: 74 08 je 0x36
2e: 4c 89 e7 mov %r12,%rdi
31: e8 e8 75 0c f8 call 0xf80c761e
36: 49 8b 2c 24 mov (%r12),%rbp
3a: 49 rex.WB
3b: 8d .byte 0x8d
3c: 7c .byte 0x7c