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: 15877 Comm: syz-executor.7 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: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:ffff88805c067db0 EFLAGS: 00010216
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc900011ea000
RDX: 0000000000000017 RSI: ffffffff81717278 RDI: 00000000000000ba
RBP: ffffffffffffffea R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8664e957 R11: 0000000000000001 R12: ffff88800eee3330
R13: ffff88800eee34e4 R14: ffffffff85cfdf20 R15: ffff88805fcf5bb8
FS:  00007fd48a448700(0000) GS:ffff8880e5394000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000000 CR3: 0000000060253000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 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: 0033:0x7fd48ced2b19
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:00007fd48a448188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007fd48cfe5f60 RCX: 00007fd48ced2b19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000002c020600
RBP: 00007fd48cf2cf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcb343cbef R14: 00007fd48a448300 R15: 0000000000022000
 </TASK>
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:ffff88805c067db0 EFLAGS: 00010216
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc900011ea000
RDX: 0000000000000017 RSI: ffffffff81717278 RDI: 00000000000000ba
kernel write not supported for file [eventfd] (pid: 39 comm: kworker/1:1)
kernel write not supported for file [eventfd] (pid: 39 comm: kworker/1:1)
RBP: ffffffffffffffea R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8664e957 R11: 0000000000000001 R12: ffff88800eee3330
R13: ffff88800eee34e4 R14: ffffffff85cfdf20 R15: ffff88805fcf5bb8
FS:  00007fd48a448700(0000) GS:ffff8880e5394000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020000000 CR3: 0000000060253000 CR4: 0000000000350ef0
random: crng reseeded on system resumption
random: crng reseeded on system resumption
random: crng reseeded on system resumption
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: 16217 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: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:ffff88805fc87db0 EFLAGS: 00010216
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc900011ea000
RDX: 0000000000000017 RSI: ffffffff81717278 RDI: 00000000000000ba
RBP: ffffffffffffffea R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff8664e957 R11: 0000000000000000 R12: ffff88800eee3bb8
R13: ffff88800eee3d6c R14: ffffffff85cfdf20 R15: ffff8880609e3ff8
FS:  00007fd48a448700(0000) GS:ffff8880e5394000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d025000 CR3: 000000005ccb1000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 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: 0033:0x7fd48ced2b19
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:00007fd48a448188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007fd48cfe5f60 RCX: 00007fd48ced2b19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000002c020600
RBP: 00007fd48cf2cf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcb343cbef R14: 00007fd48a448300 R15: 0000000000022000
 </TASK>
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:ffff88805c067db0 EFLAGS: 00010216
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc900011ea000
RDX: 0000000000000017 RSI: ffffffff81717278 RDI: 00000000000000ba
RBP: ffffffffffffffea R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8664e957 R11: 0000000000000001 R12: ffff88800eee3330
R13: ffff88800eee34e4 R14: ffffffff85cfdf20 R15: ffff88805fcf5bb8
FS:  00007fd48a448700(0000) GS:ffff8880e5394000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d025000 CR3: 000000005ccb1000 CR4: 0000000000350ef0
random: crng reseeded on system resumption
random: crng reseeded on system resumption
random: crng reseeded on system resumption
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: 16365 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: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:ffff88805fb8fdb0 EFLAGS: 00010216
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc900011ea000
RDX: 0000000000000017 RSI: ffffffff81717278 RDI: 00000000000000ba
RBP: ffffffffffffffea R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff8664e957 R11: 0000000000000000 R12: ffff88801921d998
R13: ffff88801921db4c R14: ffffffff85cfdf20 R15: ffff88805acba438
FS:  00007fd48a448700(0000) GS:ffff8880e5494000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa4719d09c8 CR3: 0000000060327000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 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: 0033:0x7fd48ced2b19
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:00007fd48a448188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007fd48cfe5f60 RCX: 00007fd48ced2b19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000002c020600
RBP: 00007fd48cf2cf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcb343cbef R14: 00007fd48a448300 R15: 0000000000022000
 </TASK>
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:ffff88805c067db0 EFLAGS: 00010216
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc900011ea000
RDX: 0000000000000017 RSI: ffffffff81717278 RDI: 00000000000000ba
RBP: ffffffffffffffea R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8664e957 R11: 0000000000000001 R12: ffff88800eee3330
R13: ffff88800eee34e4 R14: ffffffff85cfdf20 R15: ffff88805fcf5bb8
FS:  00007fd48a448700(0000) GS:ffff8880e5494000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa4719d09c8 CR3: 0000000060327000 CR4: 0000000000350ef0
random: crng reseeded on system resumption
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000017: 0000 [#4] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x00000000000000b8-0x00000000000000bf]
CPU: 1 UID: 0 PID: 16688 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: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:ffff888060787db0 EFLAGS: 00010216
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc900011ea000
RDX: 0000000000000017 RSI: ffffffff81717278 RDI: 00000000000000ba
RBP: ffffffffffffffea R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff8664e957 R11: ffff88806cf37498 R12: ffff88801921df48
R13: ffff88801921e0fc R14: ffffffff85cfdf20 R15: ffff8880600ea438
FS:  00007fd48a448700(0000) GS:ffff8880e5494000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcd73d5e018 CR3: 0000000056271000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 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: 0033:0x7fd48ced2b19
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:00007fd48a448188 EFLAGS: 00000246 ORIG_RAX: 0000000000000110
RAX: ffffffffffffffda RBX: 00007fd48cfe5f60 RCX: 00007fd48ced2b19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000002c020600
RBP: 00007fd48cf2cf6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcb343cbef R14: 00007fd48a448300 R15: 0000000000022000
 </TASK>
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:ffff88805c067db0 EFLAGS: 00010216
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: ffffc900011ea000
RDX: 0000000000000017 RSI: ffffffff81717278 RDI: 00000000000000ba
RBP: ffffffffffffffea R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff8664e957 R11: 0000000000000001 R12: ffff88800eee3330
R13: ffff88800eee34e4 R14: ffffffff85cfdf20 R15: ffff88805fcf5bb8
FS:  00007fd48a448700(0000) GS:ffff8880e5494000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fcd73d5e018 CR3: 0000000056271000 CR4: 0000000000350ef0
kauditd_printk_skb: 63 callbacks suppressed
audit: type=1326 audit(1763021500.186:254): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=16741 comm="syz-executor.0" exe="/syz-executor.0" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f09fc02cb19 code=0x0
No source specified
No source specified
No source specified
audit: type=1326 audit(1763021500.594:255): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=16975 comm="syz-executor.0" exe="/syz-executor.0" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f09fc02cb19 code=0x0
No source specified
No source specified
audit: type=1326 audit(1763021500.913:256): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=17210 comm="syz-executor.0" exe="/syz-executor.0" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f09fc02cb19 code=0x0
audit: type=1326 audit(1763021501.197:257): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=17444 comm="syz-executor.0" exe="/syz-executor.0" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f09fc02cb19 code=0x0
netlink: 'syz-executor.4': attribute type 19 has an invalid length.
syz-executor.6 (17848): /proc/17848/oom_adj is deprecated, please use /proc/17848/oom_score_adj instead.
netlink: 'syz-executor.4': attribute type 19 has an invalid length.
program syz-executor.5 is using a deprecated SCSI ioctl, please convert it to SG_IO
netlink: 'syz-executor.4': attribute type 19 has an invalid length.
program syz-executor.5 is using a deprecated SCSI ioctl, please convert it to SG_IO
program syz-executor.5 is using a deprecated SCSI ioctl, please convert it to SG_IO
program syz-executor.5 is using a deprecated SCSI ioctl, please convert it to SG_IO
netlink: 'syz-executor.4': attribute type 19 has an invalid length.
----------------
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