------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x323/0x3d0, CPU#0: syz-executor.0/4741
Modules linked in:
CPU: 0 UID: 0 PID: 4741 Comm: syz-executor.0 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:ffff88804c317e08 EFLAGS: 00010216
RAX: 0000000000000d22 RBX: ffff88801e5b88f0 RCX: ffffc9000121a000
RDX: 0000000000040000 RSI: ffffffff81c8ab62 RDI: 0000000000000001
RBP: ffff88800e933c01 R08: 0000000000000001 R09: ffffed1001d26797
R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880166a8540
R13: 0000000000000000 R14: ffff88804a1fd340 R15: ffff88804c317e98
FS: 00007f1609689700(0000) GS:ffff8880e53a8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2cf23000 CR3: 000000001e21a000 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: 0033:0x7f160c115107
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:00007f1609689128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f160c226f60 RCX: 00007f160c115107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc3c4ea3bf R14: 00007f1609689300 R15: 0000000000022000
irq event stamp: 1629
hardirqs last enabled at (1639): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (1646): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (1420): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (1245): [] __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.0/4741
Modules linked in:
CPU: 0 UID: 0 PID: 4741 Comm: syz-executor.0 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:ffff88804c317e08 EFLAGS: 00010206
RAX: 000000000001b560 RBX: ffff88801e5b88f0 RCX: ffffc9000121a000
RDX: 0000000000040000 RSI: ffffffff81c8ab70 RDI: 0000000000000001
RBP: ffff88801a0e4501 R08: 0000000000000001 R09: ffffed100341c900
R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880166a8540
R13: 0000000000000000 R14: ffff88804a1fd340 R15: ffff88804c317e98
FS: 00007f1609689700(0000) GS:ffff8880e53a8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2cf23000 CR3: 000000001e21a000 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: 0033:0x7f160c115107
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:00007f1609689128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f160c226f60 RCX: 00007f160c115107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc3c4ea3bf R14: 00007f1609689300 R15: 0000000000022000
irq event stamp: 2023
hardirqs last enabled at (2031): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (2040): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (1420): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (1245): [] __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.0/4741
Modules linked in:
CPU: 0 UID: 0 PID: 4741 Comm: syz-executor.0 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:ffff88804c317e08 EFLAGS: 00010216
RAX: 00000000000364e9 RBX: ffff88801e5b88f0 RCX: ffffc9000121a000
RDX: 0000000000040000 RSI: ffffffff81c8ab7e RDI: 0000000000000001
RBP: ffff88801753e001 R08: 0000000000000001 R09: ffffed1002ea7d41
R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880166a8540
R13: 0000000000000000 R14: ffff88804a1fd340 R15: ffff88804c317e98
FS: 00007f1609689700(0000) GS:ffff8880e53a8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2cf23000 CR3: 000000001e21a000 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: 0033:0x7f160c115107
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:00007f1609689128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f160c226f60 RCX: 00007f160c115107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc3c4ea3bf R14: 00007f1609689300 R15: 0000000000022000
irq event stamp: 2419
hardirqs last enabled at (2429): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (2440): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (2102): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (2095): [] __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.0/4741
Modules linked in:
CPU: 0 UID: 0 PID: 4741 Comm: syz-executor.0 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:ffff88804c317e08 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff88801e5b88f0 RCX: ffffc9000121a000
RDX: 0000000000040000 RSI: ffffffff81c8ab9a RDI: 0000000000000001
RBP: ffff888009487201 R08: 0000000000000001 R09: ffffed1001290e57
R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880166a8540
R13: 0000000000000000 R14: ffff88804a1fd340 R15: ffff88804c317e98
FS: 00007f1609689700(0000) GS:ffff8880e53a8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2cf23000 CR3: 000000001e21a000 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: 0033:0x7f160c115107
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:00007f1609689128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f160c226f60 RCX: 00007f160c115107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc3c4ea3bf R14: 00007f1609689300 R15: 0000000000022000
irq event stamp: 2819
hardirqs last enabled at (2827): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (2836): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (2102): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (2095): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x369/0x3d0, CPU#0: syz-executor.0/4741
Modules linked in:
CPU: 0 UID: 0 PID: 4741 Comm: syz-executor.0 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+0x369/0x3d0
Code: 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 e8 ba dc ab ff 90 0f 0b 90 e9 31 ff ff ff
RSP: 0018:ffff88804c317e08 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff88801e5b8f70 RCX: ffffc9000121a000
RDX: 0000000000040000 RSI: ffffffff81c8aba8 RDI: 0000000000000001
RBP: ffff88800e22b001 R08: 0000000000000001 R09: ffffed1001c45652
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016510a80
R13: 0000000000000000 R14: ffff88804a1fd340 R15: ffff88804c317e98
FS: 00007f1609689700(0000) GS:ffff8880e53a8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d533000 CR3: 000000001e21a000 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: 0033:0x7f160c115107
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:00007f1609689128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f160c115107
RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000006
RBP: 0000000000000006 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f16096896bc
R13: 000000000000000e R14: 00007f1609689300 R15: 0000000000022000
irq event stamp: 3507
hardirqs last enabled at (3515): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (3530): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (3524): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (3519): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
syz-executor.4 (4727) used greatest stack depth: 24048 bytes left
loop3: detected capacity change from 0 to 64
FAT-fs (loop3): invalid media value (0x00)
FAT-fs (loop3): Can't find a valid FAT filesystem
loop1: detected capacity change from 0 to 256
FAT-fs (loop1): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1)
FAT-fs (loop1): error, invalid access to FAT (entry 0x000000ff)
FAT-fs (loop1): Filesystem has been set read-only