------------[ cut here ]------------ WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x323/0x3d0, CPU#0: syz-executor.5/9571 Modules linked in: CPU: 0 UID: 0 PID: 9571 Comm: syz-executor.5 Not tainted 6.18.0-rc4-next-20251104 #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 f9 d7 ab ff 84 db 75 07 5b 5d e9 1e dd ab ff e8 19 dd ab ff 90 0f 0b 90 eb ee e8 0e dd ab ff 90 <0f> 0b 90 e9 3f fd ff ff e8 00 dd ab ff 90 0f 0b 90 e9 92 fd ff ff RSP: 0018:ffff88801b997e08 EFLAGS: 00010212 RAX: 0000000000000ce6 RBX: ffff8880440ba9c0 RCX: ffffc900058b6000 RDX: 0000000000040000 RSI: ffffffff81c8ab62 RDI: 0000000000000001 RBP: ffff88801a18fc01 R08: 0000000000000001 R09: ffffed1003431f97 R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880160d0540 R13: 0000000000000000 R14: ffff8880169d0000 R15: ffff88801b997e98 FS: 00007f07c46b4700(0000) GS:ffff8880e53a8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f07c7252018 CR3: 0000000044060000 CR4: 0000000000350ef0 Call Trace: switch_task_namespaces+0x3d/0x110 __do_sys_setns+0x6b0/0x19a0 do_syscall_64+0xbf/0x3f0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f07c7140107 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:00007f07c46b4128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 00007f07c7251f60 RCX: 00007f07c7140107 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff4474d3ff R14: 00007f07c46b4300 R15: 0000000000022000 irq event stamp: 1145 hardirqs last enabled at (1153): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1164): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (1030): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (983): [] __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.5/9571 Modules linked in: CPU: 0 UID: 0 PID: 9571 Comm: syz-executor.5 Tainted: G W 6.18.0-rc4-next-20251104 #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 1e dd ab ff e8 19 dd ab ff 90 0f 0b 90 eb ee e8 0e dd ab ff 90 0f 0b 90 e9 3f fd ff ff e8 00 dd ab ff 90 <0f> 0b 90 e9 92 fd ff ff e8 f2 dc ab ff 90 0f 0b 90 e9 e5 fd ff ff RSP: 0018:ffff88801b997e08 EFLAGS: 00010216 RAX: 000000000001b143 RBX: ffff8880440ba9c0 RCX: ffffc900058b6000 RDX: 0000000000040000 RSI: ffffffff81c8ab70 RDI: 0000000000000001 RBP: ffff88800f87c501 R08: 0000000000000001 R09: ffffed1001f0f900 R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880160d0540 R13: 0000000000000000 R14: ffff8880169d0000 R15: ffff88801b997e98 FS: 00007f07c46b4700(0000) GS:ffff8880e53a8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f07c7252018 CR3: 0000000044060000 CR4: 0000000000350ef0 Call Trace: switch_task_namespaces+0x3d/0x110 __do_sys_setns+0x6b0/0x19a0 do_syscall_64+0xbf/0x3f0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f07c7140107 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:00007f07c46b4128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 00007f07c7251f60 RCX: 00007f07c7140107 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff4474d3ff R14: 00007f07c46b4300 R15: 0000000000022000 irq event stamp: 1569 hardirqs last enabled at (1579): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (1588): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (1302): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (1287): [] __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.5/9571 Modules linked in: CPU: 0 UID: 0 PID: 9571 Comm: syz-executor.5 Tainted: G W 6.18.0-rc4-next-20251104 #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 0e dd ab ff 90 0f 0b 90 e9 3f fd ff ff e8 00 dd ab ff 90 0f 0b 90 e9 92 fd ff ff e8 f2 dc ab ff 90 <0f> 0b 90 e9 e5 fd ff ff e8 e4 dc ab ff 90 0f 0b 90 e9 38 fe ff ff RSP: 0018:ffff88801b997e08 EFLAGS: 00010216 RAX: 0000000000035cf4 RBX: ffff8880440ba9c0 RCX: ffffc900058b6000 RDX: 0000000000040000 RSI: ffffffff81c8ab7e RDI: 0000000000000001 RBP: ffff888016394001 R08: 0000000000000001 R09: ffffed1002c72941 R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880160d0540 R13: 0000000000000000 R14: ffff8880169d0000 R15: ffff88801b997e98 FS: 00007f07c46b4700(0000) GS:ffff8880e53a8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f07c7252018 CR3: 0000000044060000 CR4: 0000000000350ef0 Call Trace: switch_task_namespaces+0x3d/0x110 __do_sys_setns+0x6b0/0x19a0 do_syscall_64+0xbf/0x3f0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f07c7140107 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:00007f07c46b4128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 00007f07c7251f60 RCX: 00007f07c7140107 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff4474d3ff R14: 00007f07c46b4300 R15: 0000000000022000 irq event stamp: 1987 hardirqs last enabled at (1995): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (2004): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (1838): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (1831): [] __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.5/9571 Modules linked in: CPU: 0 UID: 0 PID: 9571 Comm: syz-executor.5 Tainted: G W 6.18.0-rc4-next-20251104 #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 f2 dc ab ff 90 0f 0b 90 e9 e5 fd ff ff e8 e4 dc ab ff 90 0f 0b 90 e9 38 fe ff ff e8 d6 dc ab ff 90 <0f> 0b 90 e9 8b fe ff ff e8 c8 dc ab ff 90 0f 0b 90 e9 de fe ff ff RSP: 0018:ffff88801b997e08 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffff8880440ba9c0 RCX: ffffc900058b6000 RDX: 0000000000040000 RSI: ffffffff81c8ab9a RDI: 0000000000000001 RBP: ffff88800e666801 R08: 0000000000000001 R09: ffffed1001cccd17 R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880160d0540 R13: 0000000000000000 R14: ffff8880169d0000 R15: ffff88801b997e98 FS: 00007f07c46b4700(0000) GS:ffff8880e53a8000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f07c7252018 CR3: 0000000044060000 CR4: 0000000000350ef0 Call Trace: switch_task_namespaces+0x3d/0x110 __do_sys_setns+0x6b0/0x19a0 do_syscall_64+0xbf/0x3f0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f07c7140107 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:00007f07c46b4128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 00007f07c7251f60 RCX: 00007f07c7140107 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff4474d3ff R14: 00007f07c46b4300 R15: 0000000000022000 irq event stamp: 3047 hardirqs last enabled at (3055): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (3066): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (2988): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (2943): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- loop3: detected capacity change from 0 to 4 loop3: detected capacity change from 0 to 4 EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8. EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8. EXT4-fs (sda): re-mounted 7b5d9a40-9011-49ec-8035-27953f97a4d8.