Oops: general protection fault, probably for non-canonical address 0xdffffc000000002e: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000170-0x0000000000000177]
CPU: 0 UID: 0 PID: 17621 Comm: syz-executor.5 Not tainted 6.18.0-rc5-next-20251113 #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 4f 47 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:ffff888050eef9f8 EFLAGS: 00010217
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc900017f1000
RDX: 000000000000002e RSI: ffffffff8144cb61 RDI: 0000000000000174
RBP: ffff88804e1e2c30 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8664e957 R11: 0000000000000001 R12: fffffffffffffffc
R13: ffff88804e3b261c R14: ffff88801baa2490 R15: ffff8880509f5bb8
FS: 00007f42580e6700(0000) GS:ffff8880e5394000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555569d08c58 CR3: 0000000050f05000 CR4: 0000000000350ef0
Call Trace:
create_new_namespaces+0x585/0x750
copy_namespaces+0x45c/0x580
copy_process+0x26e4/0x72a0
kernel_clone+0xea/0x7f0
__do_sys_clone3+0x1f5/0x280
do_syscall_64+0xbf/0x430
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f425ab70b19
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:00007f42580e6188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007f425ac83f60 RCX: 00007f425ab70b19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020005880
RBP: 00007f425abcaf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc102e3cbf R14: 00007f42580e6300 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 4f 47 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:ffff888050eef9f8 EFLAGS: 00010217
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc900017f1000
RDX: 000000000000002e RSI: ffffffff8144cb61 RDI: 0000000000000174
RBP: ffff88804e1e2c30 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8664e957 R11: 0000000000000001 R12: fffffffffffffffc
R13: ffff88804e3b261c R14: ffff88801baa2490 R15: ffff8880509f5bb8
FS: 00007f42580e6700(0000) GS:ffff8880e5394000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555569d08c58 CR3: 0000000050f05000 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: 17604 Comm: syz-executor.7 Tainted: G D 6.18.0-rc5-next-20251113 #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 4f 47 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:ffff88804f73f9f8 EFLAGS: 00010217
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc90006216000
RDX: 000000000000002e RSI: ffffffff8144cb61 RDI: 0000000000000174
RBP: ffff88804d8f5b60 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff8664e957 R11: 0000000000000000 R12: fffffffffffffffc
R13: ffff88801b9de81c R14: ffff888016805040 R15: ffff88804f53a438
FS: 00007f0ec5432700(0000) GS:ffff8880e5394000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055556711ac58 CR3: 0000000051403000 CR4: 0000000000350ef0
Call Trace:
create_new_namespaces+0x585/0x750
copy_namespaces+0x45c/0x580
copy_process+0x26e4/0x72a0
kernel_clone+0xea/0x7f0
__do_sys_clone3+0x1f5/0x280
do_syscall_64+0xbf/0x430
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0ec7ebcb19
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:00007f0ec5432188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007f0ec7fcff60 RCX: 00007f0ec7ebcb19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020005880
RBP: 00007f0ec7f16f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff7f93719f R14: 00007f0ec5432300 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 4f 47 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:ffff888050eef9f8 EFLAGS: 00010217
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc900017f1000
RDX: 000000000000002e RSI: ffffffff8144cb61 RDI: 0000000000000174
RBP: ffff88804e1e2c30 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8664e957 R11: 0000000000000001 R12: fffffffffffffffc
R13: ffff88804e3b261c R14: ffff88801baa2490 R15: ffff8880509f5bb8
FS: 00007f0ec5432700(0000) GS:ffff8880e5394000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055556711ac58 CR3: 0000000051403000 CR4: 0000000000350ef0
audit: type=1326 audit(1763022435.835:60): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=17726 comm="syz-executor.2" exe="/syz-executor.2" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7ff65736eb19 code=0x0
Oops: general protection fault, probably for non-canonical address 0xdffffc000000002e: 0000 [#3] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000170-0x0000000000000177]
CPU: 0 UID: 0 PID: 17737 Comm: syz-executor.7 Tainted: G D 6.18.0-rc5-next-20251113 #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 4f 47 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:ffff88804ee7f9f8 EFLAGS: 00010217
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc90006216000
RDX: 000000000000002e RSI: ffffffff8144cb61 RDI: 0000000000000174
RBP: ffff88804e1e27b8 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff8664e957 R11: 0000000000000000 R12: fffffffffffffffc
R13: ffff88804e3b321c R14: ffff88801baa2cb0 R15: ffff88804f413ff8
FS: 00007f0ec5432700(0000) GS:ffff8880e5394000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ce23000 CR3: 00000000514a3000 CR4: 0000000000350ef0
Call Trace:
create_new_namespaces+0x585/0x750
copy_namespaces+0x45c/0x580
copy_process+0x26e4/0x72a0
kernel_clone+0xea/0x7f0
__do_sys_clone3+0x1f5/0x280
do_syscall_64+0xbf/0x430
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0ec7ebcb19
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:00007f0ec5432188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007f0ec7fcff60 RCX: 00007f0ec7ebcb19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020005880
RBP: 00007f0ec7f16f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff7f93719f R14: 00007f0ec5432300 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 4f 47 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:ffff888050eef9f8 EFLAGS: 00010217
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc900017f1000
RDX: 000000000000002e RSI: ffffffff8144cb61 RDI: 0000000000000174
RBP: ffff88804e1e2c30 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8664e957 R11: 0000000000000001 R12: fffffffffffffffc
R13: ffff88804e3b261c R14: ffff88801baa2490 R15: ffff8880509f5bb8
FS: 00007f0ec5432700(0000) GS:ffff8880e5394000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ce23000 CR3: 00000000514a3000 CR4: 0000000000350ef0
audit: type=1326 audit(1763022436.663:61): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=17726 comm="syz-executor.2" exe="/syz-executor.2" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7ff65736eb19 code=0x0
audit: type=1326 audit(1763022436.736:62): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=17972 comm="syz-executor.2" exe="/syz-executor.2" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7ff65736eb19 code=0x0
audit: type=1326 audit(1763022436.868:63): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=18010 comm="syz-executor.0" exe="/syz-executor.0" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7f3f1e226b19 code=0x0
audit: type=1326 audit(1763022437.732:64): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=18101 comm="syz-executor.2" exe="/syz-executor.2" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7ff65736eb19 code=0x0
audit: type=1326 audit(1763022437.773:65): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=18112 comm="syz-executor.0" exe="/syz-executor.0" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7f3f1e226b19 code=0x0
audit: type=1326 audit(1763022438.669:66): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=18450 comm="syz-executor.0" exe="/syz-executor.0" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7f3f1e226b19 code=0x0
audit: type=1326 audit(1763022438.676:67): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=18446 comm="syz-executor.2" exe="/syz-executor.2" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7ff65736eb19 code=0x0
9p: Unknown access argument 18446744073709551615: -34
9p: Unknown access argument 18446744073709551615: -34
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
9p: Unknown access argument 18446744073709551615: -34
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
9p: Unknown access argument 18446744073709551615: -34
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
9p: Unknown access argument 18446744073709551615: -34
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.0'.
----------------
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 4f 47 30 00 rex.XB callq 0x304760
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)