wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. Oops: general protection fault, probably for non-canonical address 0xdffffc0000000017: 0000 [#1] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x00000000000000b8-0x00000000000000bf] CPU: 0 UID: 0 PID: 3920 Comm: syz-executor.7 Not tainted 6.18.0-rc5-next-20251112 #1 PREEMPT(voluntary) Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:put_pid_ns+0x30/0x80 Code: 89 fd 53 e8 42 a0 03 00 48 85 ed 74 3d e8 38 a0 03 00 48 8d bd d0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 35 48 8b 9d d0 00 00 00 bf 08 00 00 00 48 89 de e8 RSP: 0018:ffff888048ebfdb0 EFLAGS: 00010216 RAX: dffffc0000000000 RBX: 0000000000000003 RCX: ffffc90002634000 RDX: 0000000000000017 RSI: ffffffff81712278 RDI: 00000000000000ba RBP: ffffffffffffffea R08: 0000000000000001 R09: ffffed10091d7fa3 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888018fa4888 R13: ffff888018fa4a3c R14: ffffffff85cfbf20 R15: ffff888017d6a438 FS: 00007f930b13b700(0000) GS:ffff8880e5397000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffeb4687ea8 CR3: 000000000c363000 CR4: 0000000000350ef0 Call Trace: nsproxy_free+0xfa/0x5a0 create_new_namespaces+0x585/0x750 unshare_nsproxy_namespaces+0xc0/0x200 ksys_unshare+0x468/0xa10 __x64_sys_unshare+0x31/0x40 do_syscall_64+0xbf/0x430 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f930dbc5b19 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:00007f930b13b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 00007f930dcd8f60 RCX: 00007f930dbc5b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000400 RBP: 00007f930dc1ff6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc9589cd8f R14: 00007f930b13b300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:put_pid_ns+0x30/0x80 Code: 89 fd 53 e8 42 a0 03 00 48 85 ed 74 3d e8 38 a0 03 00 48 8d bd d0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 35 48 8b 9d d0 00 00 00 bf 08 00 00 00 48 89 de e8 RSP: 0018:ffff888048ebfdb0 EFLAGS: 00010216 RAX: dffffc0000000000 RBX: 0000000000000003 RCX: ffffc90002634000 RDX: 0000000000000017 RSI: ffffffff81712278 RDI: 00000000000000ba RBP: ffffffffffffffea R08: 0000000000000001 R09: ffffed10091d7fa3 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888018fa4888 R13: ffff888018fa4a3c R14: ffffffff85cfbf20 R15: ffff888017d6a438 FS: 00007f930b13b700(0000) GS:ffff8880e5397000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffeb4687ea8 CR3: 000000000c363000 CR4: 0000000000350ef0 Oops: general protection fault, probably for non-canonical address 0xdffffc0000000017: 0000 [#2] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x00000000000000b8-0x00000000000000bf] CPU: 0 UID: 0 PID: 3927 Comm: syz-executor.7 Tainted: G D 6.18.0-rc5-next-20251112 #1 PREEMPT(voluntary) Tainted: [D]=DIE Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:put_pid_ns+0x30/0x80 Code: 89 fd 53 e8 42 a0 03 00 48 85 ed 74 3d e8 38 a0 03 00 48 8d bd d0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 35 48 8b 9d d0 00 00 00 bf 08 00 00 00 48 89 de e8 RSP: 0018:ffff88804ad0fdb0 EFLAGS: 00010216 RAX: dffffc0000000000 RBX: 0000000000000002 RCX: ffffc90003a3e000 RDX: 0000000000000017 RSI: ffffffff81712278 RDI: 00000000000000ba RBP: ffffffffffffffea R08: 0000000000000001 R09: ffffed10095a1fa3 R10: 0000000000000000 R11: ffff88806ce38278 R12: ffff888018fa5110 R13: ffff888018fa52c4 R14: ffffffff85cfbf20 R15: ffff8880177abff8 FS: 00007f930b11a700(0000) GS:ffff8880e5397000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d722000 CR3: 000000000c363000 CR4: 0000000000350ef0 Call Trace: nsproxy_free+0xfa/0x5a0 create_new_namespaces+0x585/0x750 unshare_nsproxy_namespaces+0xc0/0x200 ksys_unshare+0x468/0xa10 __x64_sys_unshare+0x31/0x40 do_syscall_64+0xbf/0x430 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f930dbc5b19 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:00007f930b11a188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 00007f930dcd9020 RCX: 00007f930dbc5b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000 RBP: 00007f930dc1ff6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc9589cd8f R14: 00007f930b11a300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:put_pid_ns+0x30/0x80 Code: 89 fd 53 e8 42 a0 03 00 48 85 ed 74 3d e8 38 a0 03 00 48 8d bd d0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 35 48 8b 9d d0 00 00 00 bf 08 00 00 00 48 89 de e8 RSP: 0018:ffff888048ebfdb0 EFLAGS: 00010216 RAX: dffffc0000000000 RBX: 0000000000000003 RCX: ffffc90002634000 RDX: 0000000000000017 RSI: ffffffff81712278 RDI: 00000000000000ba RBP: ffffffffffffffea R08: 0000000000000001 R09: ffffed10091d7fa3 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888018fa4888 R13: ffff888018fa4a3c R14: ffffffff85cfbf20 R15: ffff888017d6a438 FS: 00007f930b11a700(0000) GS:ffff8880e5397000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d722000 CR3: 000000000c363000 CR4: 0000000000350ef0 ieee80211 phy14: Selected rate control algorithm 'minstrel_ht' wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 ieee80211 phy15: Selected rate control algorithm 'minstrel_ht' wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 ieee80211 phy16: Selected rate control algorithm 'minstrel_ht' wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 ieee80211 phy17: Selected rate control algorithm 'minstrel_ht' wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 Oops: general protection fault, probably for non-canonical address 0xdffffc0000000017: 0000 [#3] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x00000000000000b8-0x00000000000000bf] CPU: 1 UID: 0 PID: 3932 Comm: syz-executor.7 Tainted: G D 6.18.0-rc5-next-20251112 #1 PREEMPT(voluntary) Tainted: [D]=DIE Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:put_pid_ns+0x30/0x80 Code: 89 fd 53 e8 42 a0 03 00 48 85 ed 74 3d e8 38 a0 03 00 48 8d bd d0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 35 48 8b 9d d0 00 00 00 bf 08 00 00 00 48 89 de e8 RSP: 0018:ffff88801e707db0 EFLAGS: 00010216 RAX: dffffc0000000000 RBX: 0000000000000004 RCX: ffffc90004443000 RDX: 0000000000000017 RSI: ffffffff81712278 RDI: 00000000000000ba RBP: ffffffffffffffea R08: 0000000000000001 R09: ffffed1003ce0fa3 R10: 0000000000000000 R11: ffff88806cf38278 R12: ffff888018fa4888 R13: ffff888018fa4a3c R14: ffffffff85cfbf20 R15: ffff8880177adbb8 FS: 00007f930b0f9700(0000) GS:ffff8880e5497000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff7a565dd8 CR3: 000000000c363000 CR4: 0000000000350ef0 Call Trace: nsproxy_free+0xfa/0x5a0 create_new_namespaces+0x585/0x750 unshare_nsproxy_namespaces+0xc0/0x200 ksys_unshare+0x468/0xa10 __x64_sys_unshare+0x31/0x40 do_syscall_64+0xbf/0x430 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f930dbc5b19 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:00007f930b0f9188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 00007f930dcd90e0 RCX: 00007f930dbc5b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000400 RBP: 00007f930dc1ff6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc9589cd8f R14: 00007f930b0f9300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:put_pid_ns+0x30/0x80 Code: 89 fd 53 e8 42 a0 03 00 48 85 ed 74 3d e8 38 a0 03 00 48 8d bd d0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 35 48 8b 9d d0 00 00 00 bf 08 00 00 00 48 89 de e8 RSP: 0018:ffff888048ebfdb0 EFLAGS: 00010216 RAX: dffffc0000000000 RBX: 0000000000000003 RCX: ffffc90002634000 RDX: 0000000000000017 RSI: ffffffff81712278 RDI: 00000000000000ba RBP: ffffffffffffffea R08: 0000000000000001 R09: ffffed10091d7fa3 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888018fa4888 R13: ffff888018fa4a3c R14: ffffffff85cfbf20 R15: ffff888017d6a438 FS: 00007f930b0f9700(0000) GS:ffff8880e5497000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff7a565dd8 CR3: 000000000c363000 CR4: 0000000000350ef0 Oops: general protection fault, probably for non-canonical address 0xdffffc0000000017: 0000 [#4] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x00000000000000b8-0x00000000000000bf] CPU: 0 UID: 0 PID: 3966 Comm: syz-executor.7 Tainted: G D 6.18.0-rc5-next-20251112 #1 PREEMPT(voluntary) Tainted: [D]=DIE Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:put_pid_ns+0x30/0x80 Code: 89 fd 53 e8 42 a0 03 00 48 85 ed 74 3d e8 38 a0 03 00 48 8d bd d0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 35 48 8b 9d d0 00 00 00 bf 08 00 00 00 48 89 de e8 RSP: 0018:ffff888013f1fdb0 EFLAGS: 00010216 RAX: dffffc0000000000 RBX: 0000000000000002 RCX: ffffc90004845000 RDX: 0000000000000017 RSI: ffffffff81712278 RDI: 00000000000000ba RBP: ffffffffffffffea R08: 0000000000000001 R09: ffffed10027e3fa3 R10: 0000000000000000 R11: ffff88806ce38278 R12: ffff888018fa53e8 R13: ffff888018fa559c R14: ffffffff85cfbf20 R15: ffff888048a9dbb8 FS: 00007f930b0d8700(0000) GS:ffff8880e5397000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd168c187b0 CR3: 000000000c363000 CR4: 0000000000350ef0 Call Trace: nsproxy_free+0xfa/0x5a0 create_new_namespaces+0x585/0x750 unshare_nsproxy_namespaces+0xc0/0x200 ksys_unshare+0x468/0xa10 __x64_sys_unshare+0x31/0x40 do_syscall_64+0xbf/0x430 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f930dbc5b19 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:00007f930b0d8188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110 RAX: ffffffffffffffda RBX: 00007f930dcd91a0 RCX: 00007f930dbc5b19 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000 RBP: 00007f930dc1ff6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc9589cd8f R14: 00007f930b0d8300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:put_pid_ns+0x30/0x80 Code: 89 fd 53 e8 42 a0 03 00 48 85 ed 74 3d e8 38 a0 03 00 48 8d bd d0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 75 35 48 8b 9d d0 00 00 00 bf 08 00 00 00 48 89 de e8 RSP: 0018:ffff888048ebfdb0 EFLAGS: 00010216 RAX: dffffc0000000000 RBX: 0000000000000003 RCX: ffffc90002634000 RDX: 0000000000000017 RSI: ffffffff81712278 RDI: 00000000000000ba RBP: ffffffffffffffea R08: 0000000000000001 R09: ffffed10091d7fa3 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888018fa4888 R13: ffff888018fa4a3c R14: ffffffff85cfbf20 R15: ffff888017d6a438 FS: 00007f930b0d8700(0000) GS:ffff8880e5397000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fd168c187b0 CR3: 000000000c363000 CR4: 0000000000350ef0 kmemleak: 2 new suspected memory leaks (see /sys/kernel/debug/kmemleak) ---------------- Code disassembly (best guess): 0: 89 fd mov %edi,%ebp 2: 53 push %rbx 3: e8 42 a0 03 00 callq 0x3a04a 8: 48 85 ed test %rbp,%rbp b: 74 3d je 0x4a d: e8 38 a0 03 00 callq 0x3a04a 12: 48 8d bd d0 00 00 00 lea 0xd0(%rbp),%rdi 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: 75 35 jne 0x65 30: 48 8b 9d d0 00 00 00 mov 0xd0(%rbp),%rbx 37: bf 08 00 00 00 mov $0x8,%edi 3c: 48 89 de mov %rbx,%rsi 3f: e8 .byte 0xe8