------------[ cut here ]------------ WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x323/0x3d0, CPU#0: syz-executor.0/36339 Modules linked in: CPU: 0 UID: 0 PID: 36339 Comm: syz-executor.0 Not tainted 6.18.0-rc4-next-20251107 #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 1f ab ff 84 db 75 07 5b 5d e9 4e 24 ab ff e8 49 24 ab ff 90 0f 0b 90 eb ee e8 3e 24 ab ff 90 <0f> 0b 90 e9 3f fd ff ff e8 30 24 ab ff 90 0f 0b 90 e9 92 fd ff ff RSP: 0018:ffff888056e4fe08 EFLAGS: 00010216 RAX: 0000000000000979 RBX: ffff8880139e6750 RCX: ffffc90005614000 RDX: 0000000000040000 RSI: ffffffff81c9aaf2 RDI: 0000000000000001 RBP: ffff888009425c01 R08: 0000000000000001 R09: ffffed1001284b97 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016089880 R13: 0000000000000000 R14: ffff888049e63780 R15: ffff888056e4fe98 FS: 00007f16975eb700(0000) GS:ffff8880e5398000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f16975eb718 CR3: 0000000056b55000 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: 0033:0x7f169a0b9107 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:00007f16975eb128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 00007f169a1cb0e0 RCX: 00007f169a0b9107 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff254717df R14: 00007f16975eb300 R15: 0000000000022000 irq event stamp: 571 hardirqs last enabled at (579): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (602): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (600): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (587): [] __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#0: syz-executor.0/36339 Modules linked in: CPU: 0 UID: 0 PID: 36339 Comm: syz-executor.0 Tainted: G W 6.18.0-rc4-next-20251107 #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 24 ab ff e8 49 24 ab ff 90 0f 0b 90 eb ee e8 3e 24 ab ff 90 0f 0b 90 e9 3f fd ff ff e8 30 24 ab ff 90 <0f> 0b 90 e9 92 fd ff ff e8 22 24 ab ff 90 0f 0b 90 e9 e5 fd ff ff RSP: 0018:ffff888056e4fe08 EFLAGS: 00010216 RAX: 000000000001af42 RBX: ffff8880139e6750 RCX: ffffc90005614000 RDX: 0000000000040000 RSI: ffffffff81c9ab00 RDI: 0000000000000001 RBP: ffff8880182f8e01 R08: 0000000000000001 R09: ffffed100305f211 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016089880 R13: 0000000000000000 R14: ffff888049e63780 R15: ffff888056e4fe98 FS: 00007f16975eb700(0000) GS:ffff8880e5398000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f16975eb718 CR3: 0000000056b55000 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: 0033:0x7f169a0b9107 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:00007f16975eb128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 00007f169a1cb0e0 RCX: 00007f169a0b9107 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff254717df R14: 00007f16975eb300 R15: 0000000000022000 irq event stamp: 1891 hardirqs last enabled at (1901): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1910): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (1850): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (1445): [] __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#0: syz-executor.0/36339 Modules linked in: CPU: 0 UID: 0 PID: 36339 Comm: syz-executor.0 Tainted: G W 6.18.0-rc4-next-20251107 #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 24 ab ff 90 0f 0b 90 e9 3f fd ff ff e8 30 24 ab ff 90 0f 0b 90 e9 92 fd ff ff e8 22 24 ab ff 90 <0f> 0b 90 e9 e5 fd ff ff e8 14 24 ab ff 90 0f 0b 90 e9 38 fe ff ff RSP: 0018:ffff888056e4fe08 EFLAGS: 00010212 RAX: 0000000000035c92 RBX: ffff8880139e6750 RCX: ffffc90005614000 RDX: 0000000000040000 RSI: ffffffff81c9ab0e RDI: 0000000000000001 RBP: ffff88801981e001 R08: 0000000000000001 R09: ffffed1003303d41 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016089880 R13: 0000000000000000 R14: ffff888049e63780 R15: ffff888056e4fe98 FS: 00007f16975eb700(0000) GS:ffff8880e5398000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f16975eb718 CR3: 0000000056b55000 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: 0033:0x7f169a0b9107 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:00007f16975eb128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 00007f169a1cb0e0 RCX: 00007f169a0b9107 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff254717df R14: 00007f16975eb300 R15: 0000000000022000 irq event stamp: 2421 hardirqs last enabled at (2429): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (2438): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (2366): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2279): [] __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#0: syz-executor.0/36339 Modules linked in: CPU: 0 UID: 0 PID: 36339 Comm: syz-executor.0 Tainted: G W 6.18.0-rc4-next-20251107 #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 24 ab ff 90 0f 0b 90 e9 e5 fd ff ff e8 14 24 ab ff 90 0f 0b 90 e9 38 fe ff ff e8 06 24 ab ff 90 <0f> 0b 90 e9 8b fe ff ff e8 f8 23 ab ff 90 0f 0b 90 e9 de fe ff ff RSP: 0018:ffff888056e4fe08 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff8880139e6750 RCX: ffffc90005614000 RDX: 0000000000040000 RSI: ffffffff81c9ab2a RDI: 0000000000000001 RBP: ffff888009841c01 R08: 0000000000000001 R09: ffffed1001308397 R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016089880 R13: 0000000000000000 R14: ffff888049e63780 R15: ffff888056e4fe98 FS: 00007f16975eb700(0000) GS:ffff8880e5398000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f16975eb718 CR3: 0000000056b55000 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: 0033:0x7f169a0b9107 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:00007f16975eb128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 00007f169a1cb0e0 RCX: 00007f169a0b9107 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff254717df R14: 00007f16975eb300 R15: 0000000000022000 irq event stamp: 3567 hardirqs last enabled at (3577): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (3586): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (3556): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (3551): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- ------------[ cut here ]------------ WARNING: ./include/linux/ns_common.h:288 at alloc_pid+0xcc8/0x1150, CPU#0: syz-executor.0/283 Modules linked in: CPU: 0 UID: 0 PID: 283 Comm: syz-executor.0 Tainted: G W 6.18.0-rc4-next-20251107 #1 PREEMPT(voluntary) Tainted: [W]=WARN Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:alloc_pid+0xcc8/0x1150 Code: 00 00 00 e8 6a 58 6f 00 f0 83 83 68 01 00 00 01 0f 98 c3 31 ff 89 de e8 86 a2 31 00 84 db 0f 84 bc f3 ff ff e8 a9 a7 31 00 90 <0f> 0b 90 e9 ae f3 ff ff e8 9b a7 31 00 90 48 c7 c6 40 16 e7 84 48 RSP: 0018:ffff888016157ab0 EFLAGS: 00010293 RAX: 0000000000000000 RBX: ffff888015188001 RCX: ffffffff8143277a RDX: ffff888017149bc0 RSI: ffffffff81432787 RDI: 0000000000000001 RBP: ffff88806ce35f60 R08: 0000000000000001 R09: ffffed1002a3102d R10: 0000000000000001 R11: 0000000000000001 R12: ffff88806ce35f88 R13: ffffffff85d02760 R14: ffff888054b8de00 R15: ffff888015188000 FS: 00005555668f2400(0000) GS:ffff8880e5398000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa29e1072c0 CR3: 000000001e1b2000 CR4: 0000000000350ef0 Call Trace: copy_process+0x3be1/0x72a0 kernel_clone+0xea/0x7f0 __do_sys_clone+0xce/0x120 do_syscall_64+0xbf/0x430 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f169a0b610b Code: ed 0f 85 60 01 00 00 64 4c 8b 0c 25 10 00 00 00 45 31 c0 4d 8d 91 d0 02 00 00 31 d2 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 89 00 00 00 41 89 c5 85 c0 0f 85 90 00 00 RSP: 002b:00007fff25471a10 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f169a0b610b RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 0000000000000001 R08: 0000000000000000 R09: 00005555668f2400 R10: 00005555668f26d0 R11: 0000000000000246 R12: 0000000000000001 R13: 0000000000000001 R14: 0000000000000001 R15: 00007fff25471af0 irq event stamp: 1786293 hardirqs last enabled at (1786303): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1786312): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (1786282): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (1786079): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- loop5: detected capacity change from 0 to 8 tmpfs: Bad value for 'mpol' tmpfs: Bad value for 'mpol'