------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x323/0x3d0, CPU#0: syz-executor.2/37907
Modules linked in:
CPU: 0 UID: 0 PID: 37907 Comm: syz-executor.2 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:ffff88803f527e08 EFLAGS: 00010212
RAX: 0000000000000d24 RBX: ffff88801deb0d68 RCX: ffffc90011d18000
RDX: 0000000000040000 RSI: ffffffff81c95522 RDI: 0000000000000001
RBP: ffff88804a040801 R08: 0000000000000001 R09: ffffed1009408117
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888051dd9500
R13: 0000000000000000 R14: ffff888007373780 R15: ffff88803f527e98
FS: 00007f5b2f3df700(0000) GS:ffff8880e539c000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2cf23000 CR3: 000000004fc24000 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: 0033:0x7f5b31e6b107
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:00007f5b2f3df128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f5b31f7cf60 RCX: 00007f5b31e6b107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdefcf50bf R14: 00007f5b2f3df300 R15: 0000000000022000
irq event stamp: 1057
hardirqs last enabled at (1067): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (1074): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (784): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (743): [] __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.2/37907
Modules linked in:
CPU: 0 UID: 0 PID: 37907 Comm: syz-executor.2 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:ffff88803f527e08 EFLAGS: 00010216
RAX: 000000000001c3d3 RBX: ffff88801deb0d68 RCX: ffffc90011d18000
RDX: 0000000000040000 RSI: ffffffff81c95530 RDI: 0000000000000001
RBP: ffff888015b14b01 R08: 0000000000000001 R09: ffffed1002b629b6
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888051dd9500
R13: 0000000000000000 R14: ffff888007373780 R15: ffff88803f527e98
FS: 00007f5b2f3df700(0000) GS:ffff8880e539c000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2cf23000 CR3: 000000004fc24000 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: 0033:0x7f5b31e6b107
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:00007f5b2f3df128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f5b31f7cf60 RCX: 00007f5b31e6b107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdefcf50bf R14: 00007f5b2f3df300 R15: 0000000000022000
irq event stamp: 1885
hardirqs last enabled at (1901): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (1908): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (1898): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (1893): [] __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.2/37907
Modules linked in:
CPU: 0 UID: 0 PID: 37907 Comm: syz-executor.2 Tainted: G W 6.18.0-rc5-next-20251111 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
loop5: detected capacity change from 0 to 75
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:ffff88803f527e08 EFLAGS: 00010216
RAX: 0000000000038254 RBX: ffff88801deb0d68 RCX: ffffc90011d18000
RDX: 0000000000040000 RSI: ffffffff81c9553e RDI: 0000000000000001
RBP: ffff88804a600001 R08: 0000000000000001 R09: ffffed10094c0141
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888051dd9500
R13: 0000000000000000 R14: ffff888007373780 R15: ffff88803f527e98
FS: 00007f5b2f3df700(0000) GS:ffff8880e539c000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2cf23000 CR3: 000000004fc24000 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: 0033:0x7f5b31e6b107
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:00007f5b2f3df128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f5b31f7cf60 RCX: 00007f5b31e6b107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdefcf50bf R14: 00007f5b2f3df300 R15: 0000000000022000
irq event stamp: 2329
hardirqs last enabled at (2339): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (2348): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (1898): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (1893): [] __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.2/37907
Modules linked in:
CPU: 0 UID: 0 PID: 37907 Comm: syz-executor.2 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:ffff88803f527e08 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff88801deb0d68 RCX: ffffc90011d18000
RDX: 0000000000040000 RSI: ffffffff81c9555a RDI: 0000000000000001
RBP: ffff8880164d5801 R08: 0000000000000001 R09: ffffed1002c9ab17
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888051dd9500
R13: 0000000000000000 R14: ffff888007373780 R15: ffff88803f527e98
FS: 00007f5b2f3df700(0000) GS:ffff8880e539c000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2cf23000 CR3: 000000004fc24000 CR4: 0000000000350ef0
EXT4-fs (loop5): couldn't mount as ext2 due to feature incompatibilities
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: 0033:0x7f5b31e6b107
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:00007f5b2f3df128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007f5b31f7cf60 RCX: 00007f5b31e6b107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdefcf50bf R14: 00007f5b2f3df300 R15: 0000000000022000
irq event stamp: 2739
hardirqs last enabled at (2747): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (2756): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (1898): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (1893): [] __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#1: syz-executor.2/37907
Modules linked in:
CPU: 1 UID: 0 PID: 37907 Comm: syz-executor.2 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+0x369/0x3d0
Code: 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 e8 ea 54 ab ff 90 0f 0b 90 e9 31 ff ff ff
RSP: 0018:ffff88803f527e08 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff8880511d7138 RCX: ffffc90011d18000
RDX: 0000000000040000 RSI: ffffffff81c95568 RDI: 0000000000000001
RBP: ffff88804a3db001 R08: 0000000000000001 R09: ffffed100947b652
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016496e00
R13: 0000000000000000 R14: ffff888007373780 R15: ffff88803f527e98
FS: 00007f5b2f3df700(0000) GS:ffff8880e549c000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efcebcee3a0 CR3: 000000004fc24000 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: 0033:0x7f5b31e6b107
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:00007f5b2f3df128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f5b31e6b107
RDX: 0000000000000010 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5b2f3df6bc
R13: 000000000000000e R14: 00007f5b2f3df300 R15: 0000000000022000
irq event stamp: 5333
hardirqs last enabled at (5375): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (5449): [] handle_softirqs+0x633/0x770
softirqs last enabled at (5490): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (5499): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
loop5: detected capacity change from 0 to 75
EXT4-fs (loop5): couldn't mount as ext2 due to feature incompatibilities