------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:262 at nsproxy_ns_active_get+0x33f/0x3d0, CPU#0: syz-executor.0/13678
Modules linked in:
CPU: 0 UID: 0 PID: 13678 Comm: syz-executor.0 Not tainted 6.18.0-rc4-next-20251103 #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 2e e2 ab ff 90 0f 0b 90 e9 3f fd ff ff e8 20 e2 ab ff 90 0f 0b 90 e9 92 fd ff ff e8 12 e2 ab ff 90 <0f> 0b 90 e9 e5 fd ff ff e8 04 e2 ab ff 90 0f 0b 90 e9 38 fe ff ff
RSP: 0018:ffff888016947e08 EFLAGS: 00010216
RAX: 0000000000000d51 RBX: ffff8880097c03a8 RCX: ffffc90004210000
RDX: 0000000000040000 RSI: ffffffff81c89d0e RDI: 0000000000000001
RBP: ffff888017888001 R08: 0000000000000001 R09: ffffed1002f11141
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88801574fdc0
R13: 0000000000000000 R14: ffff88801dec3780 R15: ffff888016947e98
FS: 00007f71f1d66700(0000) GS:ffff8880e53a8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f213b0a8018 CR3: 000000004af1e000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
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: 0033:0x7f71f47f2107
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:00007f71f1d66128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f71f4903f60 RCX: 00007f71f47f2107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff845ce44f R14: 00007f71f1d66300 R15: 0000000000022000
irq event stamp: 2365
hardirqs last enabled at (2373): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (2434): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (2506): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (2517): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:262 at nsproxy_ns_active_get+0x35b/0x3d0, CPU#0: syz-executor.0/13678
Modules linked in:
CPU: 0 UID: 0 PID: 13678 Comm: syz-executor.0 Tainted: G W 6.18.0-rc4-next-20251103 #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 12 e2 ab ff 90 0f 0b 90 e9 e5 fd ff ff e8 04 e2 ab ff 90 0f 0b 90 e9 38 fe ff ff e8 f6 e1 ab ff 90 <0f> 0b 90 e9 8b fe ff ff e8 e8 e1 ab ff 90 0f 0b 90 e9 de fe ff ff
RSP: 0018:ffff888016947e08 EFLAGS: 00010212
RAX: 000000000001c7ba RBX: ffff8880097c03a8 RCX: ffffc90004210000
RDX: 0000000000040000 RSI: ffffffff81c89d2a RDI: 0000000000000001
RBP: ffff888009487e01 R08: 0000000000000001 R09: ffffed1001290fd7
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88801574fdc0
R13: 0000000000000000 R14: ffff88801dec3780 R15: ffff888016947e98
FS: 00007f71f1d66700(0000) GS:ffff8880e53a8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f213b0a8018 CR3: 000000004af1e000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
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: 0033:0x7f71f47f2107
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:00007f71f1d66128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f71f4903f60 RCX: 00007f71f47f2107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff845ce44f R14: 00007f71f1d66300 R15: 0000000000022000
irq event stamp: 3061
hardirqs last enabled at (3071): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (3078): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (2892): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (2849): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
loop7: detected capacity change from 0 to 512
------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:262 at nsproxy_ns_active_get+0x369/0x3d0, CPU#0: syz-executor.0/13678
Modules linked in:
CPU: 0 UID: 0 PID: 13678 Comm: syz-executor.0 Tainted: G W 6.18.0-rc4-next-20251103 #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+0x369/0x3d0
Code: 0f 0b 90 e9 e5 fd ff ff e8 04 e2 ab ff 90 0f 0b 90 e9 38 fe ff ff e8 f6 e1 ab ff 90 0f 0b 90 e9 8b fe ff ff e8 e8 e1 ab ff 90 <0f> 0b 90 e9 de fe ff ff e8 da e1 ab ff 90 0f 0b 90 e9 31 ff ff ff
RSP: 0018:ffff888016947e08 EFLAGS: 00010212
RAX: 000000000003f8d1 RBX: ffff8880097c0138 RCX: ffffc90004210000
RDX: 0000000000040000 RSI: ffffffff81c89d38 RDI: 0000000000000001
RBP: ffff88800abdc801 R08: 0000000000000001 R09: ffffed100157b95a
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016d19a40
R13: 0000000000000000 R14: ffff88801dec3780 R15: ffff888016947e98
FS: 00007f71f1d66700(0000) GS:ffff8880e53a8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f71f1b41000 CR3: 000000004af1e000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
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: 0033:0x7f71f47f2107
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:00007f71f1d66128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f71f47f2107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f71f1d666bc
R13: 000000000000000e R14: 00007f71f1d66300 R15: 0000000000022000
irq event stamp: 3651
hardirqs last enabled at (3659): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (3668): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (3594): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (3589): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
EXT4-fs (loop7): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir409054749/syzkaller.eJRtV7/3/file0 supports timestamps until 2038-01-19 (0x7fffffff)
EXT4-fs warning (device sda): ext4_group_extend:1862: can't shrink FS - resize aborted
EXT4-fs (loop7): unmounting filesystem 00000000-0000-0000-0000-000000000000.
loop7: detected capacity change from 0 to 512
EXT4-fs (loop7): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
ext4 filesystem being mounted at /syzkaller-testdir409054749/syzkaller.eJRtV7/4/file0 supports timestamps until 2038-01-19 (0x7fffffff)
EXT4-fs (loop7): unmounting filesystem 00000000-0000-0000-0000-000000000000.