------------[ cut here ]------------ WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x323/0x3d0, CPU#1: syz-executor.7/19288 Modules linked in: CPU: 1 UID: 0 PID: 19288 Comm: syz-executor.7 Not tainted 6.18.0-rc5-next-20251111 #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+0x323/0x3d0 Code: 00 01 0f 98 c3 31 ff 89 de e8 29 50 ab ff 84 db 75 07 5b 5d e9 4e 55 ab ff e8 49 55 ab ff 90 0f 0b 90 eb ee e8 3e 55 ab ff 90 <0f> 0b 90 e9 3f fd ff ff e8 30 55 ab ff 90 0f 0b 90 e9 92 fd ff ff RSP: 0018:ffff88804c177e08 EFLAGS: 00010216 RAX: 0000000000000daa RBX: ffff888018d55618 RCX: ffffc9000780b000 RDX: 0000000000040000 RSI: ffffffff81c95522 RDI: 0000000000000001 RBP: ffff88801c212001 R08: 0000000000000001 R09: ffffed1003842417 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016382380 R13: 0000000000000000 R14: ffff88801c910000 R15: ffff88804c177e98 FS: 00007f7e7d96b700(0000) GS:ffff8880e549c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555939a4708 CR3: 000000001a978000 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: 0033:0x7f7e803f7107 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:00007f7e7d96b128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 00007f7e80508f60 RCX: 00007f7e803f7107 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc0ee0188f R14: 00007f7e7d96b300 R15: 0000000000022000 irq event stamp: 741 hardirqs last enabled at (751): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (760): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (442): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (437): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x331/0x3d0, CPU#1: syz-executor.7/19288 Modules linked in: CPU: 1 UID: 0 PID: 19288 Comm: syz-executor.7 Tainted: G W 6.18.0-rc5-next-20251111 #1 PREEMPT(voluntary) Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:nsproxy_ns_active_get+0x331/0x3d0 Code: 84 db 75 07 5b 5d e9 4e 55 ab ff e8 49 55 ab ff 90 0f 0b 90 eb ee e8 3e 55 ab ff 90 0f 0b 90 e9 3f fd ff ff e8 30 55 ab ff 90 <0f> 0b 90 e9 92 fd ff ff e8 22 55 ab ff 90 0f 0b 90 e9 e5 fd ff ff RSP: 0018:ffff88804c177e08 EFLAGS: 00010212 RAX: 000000000001badd RBX: ffff888018d55618 RCX: ffffc9000780b000 RDX: 0000000000040000 RSI: ffffffff81c95530 RDI: 0000000000000001 RBP: ffff888019504501 R08: 0000000000000001 R09: ffffed10032a0900 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016382380 R13: 0000000000000000 R14: ffff88801c910000 R15: ffff88804c177e98 FS: 00007f7e7d96b700(0000) GS:ffff8880e549c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555939a4708 CR3: 000000001a978000 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: 0033:0x7f7e803f7107 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:00007f7e7d96b128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 00007f7e80508f60 RCX: 00007f7e803f7107 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc0ee0188f R14: 00007f7e7d96b300 R15: 0000000000022000 irq event stamp: 1685 hardirqs last enabled at (1695): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1710): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (1708): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (1703): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x33f/0x3d0, CPU#1: syz-executor.7/19288 Modules linked in: CPU: 1 UID: 0 PID: 19288 Comm: syz-executor.7 Tainted: G W 6.18.0-rc5-next-20251111 #1 PREEMPT(voluntary) Tainted: [W]=WARN 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 3e 55 ab ff 90 0f 0b 90 e9 3f fd ff ff e8 30 55 ab ff 90 0f 0b 90 e9 92 fd ff ff e8 22 55 ab ff 90 <0f> 0b 90 e9 e5 fd ff ff e8 14 55 ab ff 90 0f 0b 90 e9 38 fe ff ff RSP: 0018:ffff88804c177e08 EFLAGS: 00010212 RAX: 0000000000036fac RBX: ffff888018d55618 RCX: ffffc9000780b000 RDX: 0000000000040000 RSI: ffffffff81c9553e RDI: 0000000000000001 RBP: ffff8880190ae001 R08: 0000000000000001 R09: ffffed1003215d41 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016382380 R13: 0000000000000000 R14: ffff88801c910000 R15: ffff88804c177e98 FS: 00007f7e7d96b700(0000) GS:ffff8880e549c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555939a4708 CR3: 000000001a978000 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: 0033:0x7f7e803f7107 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:00007f7e7d96b128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 00007f7e80508f60 RCX: 00007f7e803f7107 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc0ee0188f R14: 00007f7e7d96b300 R15: 0000000000022000 irq event stamp: 2123 hardirqs last enabled at (2133): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (2142): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (2046): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2041): [] __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.7/19288 Modules linked in: CPU: 1 UID: 0 PID: 19288 Comm: syz-executor.7 Tainted: G W 6.18.0-rc5-next-20251111 #1 PREEMPT(voluntary) Tainted: [W]=WARN 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 22 55 ab ff 90 0f 0b 90 e9 e5 fd ff ff e8 14 55 ab ff 90 0f 0b 90 e9 38 fe ff ff e8 06 55 ab ff 90 <0f> 0b 90 e9 8b fe ff ff e8 f8 54 ab ff 90 0f 0b 90 e9 de fe ff ff RSP: 0018:ffff88804c177e08 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff888018d55618 RCX: ffffc9000780b000 RDX: 0000000000040000 RSI: ffffffff81c9555a RDI: 0000000000000001 RBP: ffff8880200ea201 R08: 0000000000000001 R09: ffffed100401d457 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016382380 R13: 0000000000000000 R14: ffff88801c910000 R15: ffff88804c177e98 FS: 00007f7e7d96b700(0000) GS:ffff8880e549c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555939a4708 CR3: 000000001a978000 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: 0033:0x7f7e803f7107 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:00007f7e7d96b128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 00007f7e80508f60 RCX: 00007f7e803f7107 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc0ee0188f R14: 00007f7e7d96b300 R15: 0000000000022000 irq event stamp: 2405 hardirqs last enabled at (2411): [] vprintk_emit+0x650/0x690 hardirqs last disabled at (2416): [] vprintk_emit+0x5e1/0x690 softirqs last enabled at (2046): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2041): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]---