------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x33f/0x3d0, CPU#1: syz-executor.7/5423
Modules linked in:
CPU: 1 UID: 0 PID: 5423 Comm: syz-executor.7 Not tainted 6.18.0-rc4-next-20251110 #1 PREEMPT(voluntary)
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:nsproxy_ns_active_get+0x33f/0x3d0
Code: ab ff 90 0f 0b 90 eb ee e8 ae 52 ab ff 90 0f 0b 90 e9 3f fd ff ff e8 a0 52 ab ff 90 0f 0b 90 e9 92 fd ff ff e8 92 52 ab ff 90 <0f> 0b 90 e9 e5 fd ff ff e8 84 52 ab ff 90 0f 0b 90 e9 38 fe ff ff
RSP: 0018:ffff88804b9c7e08 EFLAGS: 00010216
RAX: 0000000000000d88 RBX: ffff88800dba33a8 RCX: ffffc90007628000
RDX: 0000000000040000 RSI: ffffffff81c9575e RDI: 0000000000000001
RBP: ffff88801a2a8001 R08: 0000000000000001 R09: ffffed1003455141
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888015dd68c0
R13: 0000000000000000 R14: ffff88801f0ad340 R15: ffff88804b9c7e98
FS: 00007f6d54f86700(0000) GS:ffff8880e549c000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d331000 CR3: 000000000e3ff000 CR4: 0000000000350ef0
Call Trace:
switch_task_namespaces+0x3d/0x110
__do_sys_setns+0x6b0/0x19a0
do_syscall_64+0xbf/0x430
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6d57a12107
Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 34 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
netlink: 96 bytes leftover after parsing attributes in process `syz-executor.6'.
RSP: 002b:00007f6d54f86128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f6d57b23f60 RCX: 00007f6d57a12107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcb33c758f R14: 00007f6d54f86300 R15: 0000000000022000
irq event stamp: 2227
hardirqs last enabled at (2235): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (2244): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (1990): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (1571): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x35b/0x3d0, CPU#1: syz-executor.7/5423
Modules linked in:
CPU: 1 UID: 0 PID: 5423 Comm: syz-executor.7 Tainted: G W 6.18.0-rc4-next-20251110 #1 PREEMPT(voluntary)
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
Tainted: [W]=WARN
CPU: 0 UID: 0 PID: 5426 Comm: syz-executor.5 Tainted: G W 6.18.0-rc4-next-20251110 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
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
kmem_cache_alloc_noprof+0x80/0x690
dst_alloc+0x9c/0x620
rt_dst_alloc+0x50/0x3d0
ip_route_output_key_hash_rcu+0x894/0x2370
ip_route_output_key_hash+0x10f/0x2b0
ip_route_output_flow+0x27/0x150
__ip4_datagram_connect+0x8b1/0x11d0
__ip6_datagram_connect+0x9f1/0x1030
udpv6_connect+0x38/0x270
inet_dgram_connect+0x142/0x200
__sys_connect_file+0x14b/0x1b0
__sys_connect+0x161/0x1a0
__x64_sys_connect+0x73/0xb0
do_syscall_64+0xbf/0x430
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f929d70fb19
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:00007f929ac85188 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: ffffffffffffffda RBX: 00007f929d822f60 RCX: 00007f929d70fb19
RDX: 000000000000001c RSI: 0000000020000000 RDI: 0000000000000003
RBP: 00007f929ac851d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fff94bfab1f R14: 00007f929ac85300 R15: 0000000000022000
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:nsproxy_ns_active_get+0x35b/0x3d0
Code: 0f 0b 90 e9 92 fd ff ff e8 92 52 ab ff 90 0f 0b 90 e9 e5 fd ff ff e8 84 52 ab ff 90 0f 0b 90 e9 38 fe ff ff e8 76 52 ab ff 90 <0f> 0b 90 e9 8b fe ff ff e8 68 52 ab ff 90 0f 0b 90 e9 de fe ff ff
RSP: 0018:ffff88804b9c7e08 EFLAGS: 00010212
RAX: 000000000001d74d RBX: ffff88800dba33a8 RCX: ffffc90007628000
RDX: 0000000000040000 RSI: ffffffff81c9577a RDI: 0000000000000001
RBP: ffff8880094e9801 R08: 0000000000000001 R09: ffffed100129d317
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888015dd68c0
R13: 0000000000000000 R14: ffff88801f0ad340 R15: ffff88804b9c7e98
FS: 00007f6d54f86700(0000) GS:ffff8880e549c000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d331000 CR3: 000000000e3ff000 CR4: 0000000000350ef0
Call Trace:
switch_task_namespaces+0x3d/0x110
__do_sys_setns+0x6b0/0x19a0
do_syscall_64+0xbf/0x430
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6d57a12107
Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 34 01 00 00 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:00007f6d54f86128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f6d57b23f60 RCX: 00007f6d57a12107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcb33c758f R14: 00007f6d54f86300 R15: 0000000000022000
irq event stamp: 2733
hardirqs last enabled at (2739): [] vprintk_emit+0x650/0x690
hardirqs last disabled at (2744): [] vprintk_emit+0x5e1/0x690
softirqs last enabled at (2480): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (2475): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
FAULT_INJECTION: forcing a failure.
name fail_usercopy, interval 1, probability 0, space 0, times 0
CPU: 1 UID: 0 PID: 5451 Comm: syz-executor.5 Tainted: G W 6.18.0-rc4-next-20251110 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
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
_copy_to_user+0x32/0xd0
simple_read_from_buffer+0xe0/0x180
proc_fail_nth_read+0x18a/0x240
vfs_read+0x1eb/0xc70
ksys_read+0x121/0x240
do_syscall_64+0xbf/0x430
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f929d6c269c
Code: ec 28 48 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 f9 fc ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 31 c0 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 48 89 44 24 08 e8 2f fd ff ff 48
RSP: 002b:00007f929ac85170 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f929d6c269c
RDX: 000000000000000f RSI: 00007f929ac851e0 RDI: 0000000000000004
RBP: 00007f929ac851d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007fff94bfab1f R14: 00007f929ac85300 R15: 0000000000022000