RBP: 00007ff5428d81d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffc8ad8f81f R14: 00007ff5428d8300 R15: 0000000000022000
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
CPU: 1 UID: 0 PID: 8410 Comm: syz-executor.2 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:nsproxy_free+0x219/0x5a0
Code: 0f 85 3c 03 00 00 4c 8b 65 40 4d 85 e4 74 41 e8 bd 47 30 00 49 8d 7c 24 20 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 72 03 00 00 49 8b 5c 24 20 bf 08 00 00 00 48 89
RSP: 0018:ffff88804a7579f8 EFLAGS: 00010213
RAX: dffffc0000000000 RBX: 0000000000000006 RCX: ffffc90008ed1000
RDX: 0000000000000002 RSI: ffffffff81447af3 RDI: 0000000000000014
RBP: ffff88800974f3a8 R08: 0000000000000001 R09: ffffed1003db8171
R10: 0000000000000006 R11: 0000000000000001 R12: fffffffffffffff4
R13: ffff88800f098fec R14: ffffffff85cfbf20 R15: ffff88801739dbb8
FS: 00007ff5428d8700(0000) GS:ffff8880e5497000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff5428d7f78 CR3: 000000000de08000 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: 0033:0x7ff545362b19
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:00007ff5428d8188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007ff545475f60 RCX: 00007ff545362b19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020000500
RBP: 00007ff5428d81d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffc8ad8f81f R14: 00007ff5428d8300 R15: 0000000000022000
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:nsproxy_free+0x219/0x5a0
Code: 0f 85 3c 03 00 00 4c 8b 65 40 4d 85 e4 74 41 e8 bd 47 30 00 49 8d 7c 24 20 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 72 03 00 00 49 8b 5c 24 20 bf 08 00 00 00 48 89
RSP: 0018:ffff88804a7579f8 EFLAGS: 00010213
RAX: dffffc0000000000 RBX: 0000000000000006 RCX: ffffc90008ed1000
RDX: 0000000000000002 RSI: ffffffff81447af3 RDI: 0000000000000014
RBP: ffff88800974f3a8 R08: 0000000000000001 R09: ffffed1003db8171
R10: 0000000000000006 R11: 0000000000000001 R12: fffffffffffffff4
R13: ffff88800f098fec R14: ffffffff85cfbf20 R15: ffff88801739dbb8
FS: 00007ff5428d8700(0000) GS:ffff8880e5497000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff5428d7f78 CR3: 000000000de08000 CR4: 0000000000350ef0
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 8424 Comm: syz-executor.4 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
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
__kvmalloc_node_noprof+0x11f/0x770
alloc_fdtable+0xf2/0x2d0
dup_fd+0x6ef/0xa80
copy_process+0x21c4/0x72a0
kernel_clone+0xea/0x7f0
__do_sys_clone3+0x1f5/0x280
do_syscall_64+0xbf/0x430
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fabf7f9bb19
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:00007fabf5511188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007fabf80aef60 RCX: 00007fabf7f9bb19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020000500
RBP: 00007fabf55111d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffce130297f R14: 00007fabf5511300 R15: 0000000000022000
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 8440 Comm: syz-executor.4 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
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
__kvmalloc_node_noprof+0x11f/0x770
alloc_fdtable+0x163/0x2d0
dup_fd+0x6ef/0xa80
copy_process+0x21c4/0x72a0
kernel_clone+0xea/0x7f0
__do_sys_clone3+0x1f5/0x280
do_syscall_64+0xbf/0x430
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fabf7f9bb19
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:00007fabf5511188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007fabf80aef60 RCX: 00007fabf7f9bb19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020000500
RBP: 00007fabf55111d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffce130297f R14: 00007fabf5511300 R15: 0000000000022000
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 8547 Comm: syz-executor.0 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
Call Trace:
dump_stack_lvl+0xfa/0x120
should_fail_ex+0x4d7/0x5e0
should_failslab+0xc2/0x120
__kmalloc_cache_noprof+0x81/0x6b0
copy_cgroup_ns+0x214/0x790
create_new_namespaces+0x334/0x750
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: 0033:0x7f2117d5ab19
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:00007f21152d0188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007f2117e6df60 RCX: 00007f2117d5ab19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020000500
RBP: 00007f21152d01d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffc18a1656f R14: 00007f21152d0300 R15: 0000000000022000
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#2] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
CPU: 1 UID: 0 PID: 8547 Comm: syz-executor.0 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:nsproxy_free+0x219/0x5a0
Code: 0f 85 3c 03 00 00 4c 8b 65 40 4d 85 e4 74 41 e8 bd 47 30 00 49 8d 7c 24 20 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 72 03 00 00 49 8b 5c 24 20 bf 08 00 00 00 48 89
RSP: 0018:ffff88804adbf9f8 EFLAGS: 00010213
RAX: dffffc0000000000 RBX: 0000000000000006 RCX: ffffc9000088e000
RDX: 0000000000000002 RSI: ffffffff81447af3 RDI: 0000000000000014
RBP: ffff88800974fb60 R08: 0000000000000001 R09: ffffed1003db8019
R10: 0000000000000006 R11: 0000000000000001 R12: fffffffffffffff4
R13: ffff88800f09848c R14: ffffffff85cfbf20 R15: ffff888016ed2438
FS: 00007f21152d0700(0000) GS:ffff8880e5497000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f21152cff78 CR3: 0000000017f77000 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: 0033:0x7f2117d5ab19
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:00007f21152d0188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007f2117e6df60 RCX: 00007f2117d5ab19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020000500
RBP: 00007f21152d01d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007ffc18a1656f R14: 00007f21152d0300 R15: 0000000000022000
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:nsproxy_free+0x219/0x5a0
Code: 0f 85 3c 03 00 00 4c 8b 65 40 4d 85 e4 74 41 e8 bd 47 30 00 49 8d 7c 24 20 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 72 03 00 00 49 8b 5c 24 20 bf 08 00 00 00 48 89
RSP: 0018:ffff88804a7579f8 EFLAGS: 00010213
RAX: dffffc0000000000 RBX: 0000000000000006 RCX: ffffc90008ed1000
RDX: 0000000000000002 RSI: ffffffff81447af3 RDI: 0000000000000014
RBP: ffff88800974f3a8 R08: 0000000000000001 R09: ffffed1003db8171
R10: 0000000000000006 R11: 0000000000000001 R12: fffffffffffffff4
R13: ffff88800f098fec R14: ffffffff85cfbf20 R15: ffff88801739dbb8
FS: 00007f21152d0700(0000) GS:ffff8880e5497000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f21152cff78 CR3: 0000000017f77000 CR4: 0000000000350ef0
netlink: 212 bytes leftover after parsing attributes in process `syz-executor.3'.
----------------
Code disassembly (best guess):
0: 0f 85 3c 03 00 00 jne 0x342
6: 4c 8b 65 40 mov 0x40(%rbp),%r12
a: 4d 85 e4 test %r12,%r12
d: 74 41 je 0x50
f: e8 bd 47 30 00 callq 0x3047d1
14: 49 8d 7c 24 20 lea 0x20(%r12),%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: 0f 85 72 03 00 00 jne 0x3a6
34: 49 8b 5c 24 20 mov 0x20(%r12),%rbx
39: bf 08 00 00 00 mov $0x8,%edi
3e: 48 rex.W
3f: 89 .byte 0x89