mac80211_hwsim hwsim7 wlan1: left promiscuous mode
mac80211_hwsim hwsim7 wlan1: entered promiscuous mode
mac80211_hwsim hwsim7 wlan1: left promiscuous mode
EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000.
Oops: general protection fault, probably for non-canonical address 0xdffffc000000002e: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000170-0x0000000000000177]
CPU: 1 UID: 0 PID: 4233 Comm: syz-executor.5 Not tainted 6.18.0-rc5-next-20251114 #1 PREEMPT(voluntary)
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:nsproxy_free+0x28a/0x5a0
Code: 02 00 00 4c 8b 65 28 4d 85 e4 74 43 e8 7f 56 30 00 49 8d bc 24 78 01 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 f7 02 00 00 49 8b 9c 24 78 01 00 00 bf 08 00 00
RSP: 0018:ffff888018617a98 EFLAGS: 00010217
RAX: dffffc0000000000 RBX: 0000000000000003 RCX: ffffc9000823a000
RDX: 000000000000002e RSI: ffffffff8144dd61 RDI: 0000000000000174
RBP: ffff88800b7599c0 R08: 0000000000000001 R09: ffffed1001868543
R10: 0000000000000003 R11: ffff88801de9ec00 R12: fffffffffffffffc
R13: ffff88800c342a1c R14: ffffffff85cfdf20 R15: ffff8880496a5bb8
FS: 00007fb0647f5700(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002044c000 CR3: 000000000a255000 CR4: 0000000000350ef0
Call Trace:
create_new_namespaces+0x585/0x750
copy_namespaces+0x45c/0x580
copy_process+0x26e4/0x72a0
kernel_clone+0xea/0x7f0
__do_sys_clone+0xce/0x120
do_syscall_64+0xbf/0x430
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb0672c1b19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb0647f5188 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fb0673d50e0 RCX: 00007fb0672c1b19
RDX: 0000000020000000 RSI: 00000000200000c0 RDI: 0000000040084100
RBP: 00007fb06731bf6d R08: 0000000020000180 R09: 0000000000000000
R10: 0000000020000040 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe1ef9b98f R14: 00007fb0647f5300 R15: 0000000000022000
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:nsproxy_free+0x28a/0x5a0
Code: 02 00 00 4c 8b 65 28 4d 85 e4 74 43 e8 7f 56 30 00 49 8d bc 24 78 01 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 f7 02 00 00 49 8b 9c 24 78 01 00 00 bf 08 00 00
RSP: 0018:ffff888018617a98 EFLAGS: 00010217
RAX: dffffc0000000000 RBX: 0000000000000003 RCX: ffffc9000823a000
RDX: 000000000000002e RSI: ffffffff8144dd61 RDI: 0000000000000174
RBP: ffff88800b7599c0 R08: 0000000000000001 R09: ffffed1001868543
R10: 0000000000000003 R11: ffff88801de9ec00 R12: fffffffffffffffc
R13: ffff88800c342a1c R14: ffffffff85cfdf20 R15: ffff8880496a5bb8
FS: 00007fb0647f5700(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000002044c000 CR3: 000000000a255000 CR4: 0000000000350ef0
Oops: general protection fault, probably for non-canonical address 0xdffffc000000002e: 0000 [#2] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000170-0x0000000000000177]
CPU: 0 UID: 0 PID: 4225 Comm: syz-executor.5 Tainted: G D 6.18.0-rc5-next-20251114 #1 PREEMPT(voluntary)
Tainted: [D]=DIE
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:nsproxy_free+0x28a/0x5a0
Code: 02 00 00 4c 8b 65 28 4d 85 e4 74 43 e8 7f 56 30 00 49 8d bc 24 78 01 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 f7 02 00 00 49 8b 9c 24 78 01 00 00 bf 08 00 00
RSP: 0018:ffff88801dc7fa98 EFLAGS: 00010217
RAX: dffffc0000000000 RBX: 0000000000000002 RCX: ffffc90007835000
RDX: 000000000000002e RSI: ffffffff8144dd61 RDI: 0000000000000174
RBP: ffff88800974f478 R08: 0000000000000001 R09: ffffed1001868543
R10: 0000000000000002 R11: 0000000000000000 R12: fffffffffffffffc
R13: ffff88800c342a1c R14: ffffffff85cfdf20 R15: ffff88804962a438
FS: 00007fb064816700(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc452331660 CR3: 000000000a255000 CR4: 0000000000350ef0
Call Trace:
create_new_namespaces+0x585/0x750
copy_namespaces+0x45c/0x580
copy_process+0x26e4/0x72a0
kernel_clone+0xea/0x7f0
__do_sys_clone+0xce/0x120
do_syscall_64+0xbf/0x430
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb0672c1b19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb064816188 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007fb0673d5020 RCX: 00007fb0672c1b19
RDX: 0000000020000600 RSI: 00000000200005c0 RDI: 0000000040800000
RBP: 00007fb06731bf6d R08: 0000000020000680 R09: 0000000000000000
R10: 0000000020000640 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe1ef9b98f R14: 00007fb064816300 R15: 0000000000022000
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:nsproxy_free+0x28a/0x5a0
Code: 02 00 00 4c 8b 65 28 4d 85 e4 74 43 e8 7f 56 30 00 49 8d bc 24 78 01 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 f7 02 00 00 49 8b 9c 24 78 01 00 00 bf 08 00 00
RSP: 0018:ffff888018617a98 EFLAGS: 00010217
RAX: dffffc0000000000 RBX: 0000000000000003 RCX: ffffc9000823a000
RDX: 000000000000002e RSI: ffffffff8144dd61 RDI: 0000000000000174
RBP: ffff88800b7599c0 R08: 0000000000000001 R09: ffffed1001868543
R10: 0000000000000003 R11: ffff88801de9ec00 R12: fffffffffffffffc
R13: ffff88800c342a1c R14: ffffffff85cfdf20 R15: ffff8880496a5bb8
FS: 00007fb064816700(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc452331660 CR3: 000000000a255000 CR4: 0000000000350ef0
tmpfs: Unsupported parameter 'huge'
mac80211_hwsim hwsim3 wlan1: entered promiscuous mode
loop1: detected capacity change from 0 to 264192
loop3: detected capacity change from 0 to 512
tmpfs: Unsupported parameter 'huge'
EXT4-fs (loop1): VFS: Can't find ext4 filesystem
mac80211_hwsim hwsim7 wlan1: entered promiscuous mode
loop1: detected capacity change from 0 to 264192
EXT4-fs (loop1): VFS: Can't find ext4 filesystem
mac80211_hwsim hwsim3 wlan1: left promiscuous mode
mac80211_hwsim hwsim7 wlan1: left promiscuous mode
----------------
Code disassembly (best guess):
0: 02 00 add (%rax),%al
2: 00 4c 8b 65 add %cl,0x65(%rbx,%rcx,4)
6: 28 4d 85 sub %cl,-0x7b(%rbp)
9: e4 74 in $0x74,%al
b: 43 e8 7f 56 30 00 rex.XB callq 0x305690
11: 49 8d bc 24 78 01 00 lea 0x178(%r12),%rdi
18: 00
19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
20: fc ff df
23: 48 89 fa mov %rdi,%rdx
26: 48 c1 ea 03 shr $0x3,%rdx
* 2a: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) <-- trapping instruction
2e: 0f 85 f7 02 00 00 jne 0x32b
34: 49 8b 9c 24 78 01 00 mov 0x178(%r12),%rbx
3b: 00
3c: bf .byte 0xbf
3d: 08 00 or %al,(%rax)