------------[ cut here ]------------
WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x323/0x3d0, CPU#1: syz-executor.7/4721
Modules linked in:
CPU: 1 UID: 0 PID: 4721 Comm: syz-executor.7 Not tainted 6.18.0-rc4-next-20251105 #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 e9 cd ab ff 84 db 75 07 5b 5d e9 0e d3 ab ff e8 09 d3 ab ff 90 0f 0b 90 eb ee e8 fe d2 ab ff 90 <0f> 0b 90 e9 3f fd ff ff e8 f0 d2 ab ff 90 0f 0b 90 e9 92 fd ff ff
RSP: 0018:ffff88803faf7e08 EFLAGS: 00010216
RAX: 0000000000000cfb RBX: ffff8880097c19c0 RCX: ffffc9000441f000
RDX: 0000000000040000 RSI: ffffffff81c8c9f2 RDI: 0000000000000001
RBP: ffff88801b740401 R08: 0000000000000001 R09: ffffed10036e8097
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016d02540
R13: 0000000000000000 R14: ffff8880401cd340 R15: ffff88803faf7e98
FS: 00007fc9de7e9700(0000) GS:ffff8880e54a5000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc9e1387018 CR3: 00000000405aa000 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: 0033:0x7fc9e1275107
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:00007fc9de7e9128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007fc9e1386f60 RCX: 00007fc9e1275107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff8c509eff R14: 00007fc9de7e9300 R15: 0000000000022000
irq event stamp: 573
hardirqs last enabled at (581): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (590): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (446): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (435): [] __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#1: syz-executor.7/4721
Modules linked in:
CPU: 1 UID: 0 PID: 4721 Comm: syz-executor.7 Tainted: G W 6.18.0-rc4-next-20251105 #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 0e d3 ab ff e8 09 d3 ab ff 90 0f 0b 90 eb ee e8 fe d2 ab ff 90 0f 0b 90 e9 3f fd ff ff e8 f0 d2 ab ff 90 <0f> 0b 90 e9 92 fd ff ff e8 e2 d2 ab ff 90 0f 0b 90 e9 e5 fd ff ff
RSP: 0018:ffff88803faf7e08 EFLAGS: 00010216
RAX: 000000000001cc96 RBX: ffff8880097c19c0 RCX: ffffc9000441f000
RDX: 0000000000040000 RSI: ffffffff81c8ca00 RDI: 0000000000000001
RBP: ffff88801f244001 R08: 0000000000000001 R09: ffffed1003e4884a
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016d02540
R13: 0000000000000000 R14: ffff8880401cd340 R15: ffff88803faf7e98
FS: 00007fc9de7e9700(0000) GS:ffff8880e54a5000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc9e1387018 CR3: 00000000405aa000 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: 0033:0x7fc9e1275107
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:00007fc9de7e9128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007fc9e1386f60 RCX: 00007fc9e1275107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff8c509eff R14: 00007fc9de7e9300 R15: 0000000000022000
irq event stamp: 1063
hardirqs last enabled at (1073): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (1080): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (830): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (787): [] __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#1: syz-executor.7/4721
Modules linked in:
CPU: 1 UID: 0 PID: 4721 Comm: syz-executor.7 Tainted: G W 6.18.0-rc4-next-20251105 #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 fe d2 ab ff 90 0f 0b 90 e9 3f fd ff ff e8 f0 d2 ab ff 90 0f 0b 90 e9 92 fd ff ff e8 e2 d2 ab ff 90 <0f> 0b 90 e9 e5 fd ff ff e8 d4 d2 ab ff 90 0f 0b 90 e9 38 fe ff ff
RSP: 0018:ffff88803faf7e08 EFLAGS: 00010212
RAX: 000000000003935e RBX: ffff8880097c19c0 RCX: ffffc9000441f000
RDX: 0000000000040000 RSI: ffffffff81c8ca0e RDI: 0000000000000001
RBP: ffff888016e4c001 R08: 0000000000000001 R09: ffffed1002dc9941
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016d02540
R13: 0000000000000000 R14: ffff8880401cd340 R15: ffff88803faf7e98
FS: 00007fc9de7e9700(0000) GS:ffff8880e54a5000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc9e1387018 CR3: 00000000405aa000 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: 0033:0x7fc9e1275107
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:00007fc9de7e9128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007fc9e1386f60 RCX: 00007fc9e1275107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff8c509eff R14: 00007fc9de7e9300 R15: 0000000000022000
irq event stamp: 1677
hardirqs last enabled at (1687): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (1694): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (1428): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (1423): [] __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#1: syz-executor.7/4721
Modules linked in:
CPU: 1 UID: 0 PID: 4721 Comm: syz-executor.7 Tainted: G W 6.18.0-rc4-next-20251105 #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 e2 d2 ab ff 90 0f 0b 90 e9 e5 fd ff ff e8 d4 d2 ab ff 90 0f 0b 90 e9 38 fe ff ff e8 c6 d2 ab ff 90 <0f> 0b 90 e9 8b fe ff ff e8 b8 d2 ab ff 90 0f 0b 90 e9 de fe ff ff
RSP: 0018:ffff88803faf7e08 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff8880097c19c0 RCX: ffffc9000441f000
RDX: 0000000000040000 RSI: ffffffff81c8ca2a RDI: 0000000000000001
RBP: ffff88800983e601 R08: 0000000000000001 R09: ffffed1001307cd7
R10: 0000000000000001 R11: 0000000000000001 R12: ffff888016d02540
R13: 0000000000000000 R14: ffff8880401cd340 R15: ffff88803faf7e98
FS: 00007fc9de7e9700(0000) GS:ffff8880e54a5000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc9e1387018 CR3: 00000000405aa000 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: 0033:0x7fc9e1275107
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:00007fc9de7e9128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007fc9e1386f60 RCX: 00007fc9e1275107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff8c509eff R14: 00007fc9de7e9300 R15: 0000000000022000
irq event stamp: 2083
hardirqs last enabled at (2095): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (2104): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (1428): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (1423): [] __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.7/4721
Modules linked in:
CPU: 1 UID: 0 PID: 4721 Comm: syz-executor.7 Tainted: G W 6.18.0-rc4-next-20251105 #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 d4 d2 ab ff 90 0f 0b 90 e9 38 fe ff ff e8 c6 d2 ab ff 90 0f 0b 90 e9 8b fe ff ff e8 b8 d2 ab ff 90 <0f> 0b 90 e9 de fe ff ff e8 aa d2 ab ff 90 0f 0b 90 e9 31 ff ff ff
RSP: 0018:ffff88803faf7e08 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff8880097c1b60 RCX: ffffc9000441f000
RDX: 0000000000040000 RSI: ffffffff81c8ca38 RDI: 0000000000000001
RBP: ffff8880184e1801 R08: 0000000000000001 R09: ffffed100309c34a
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88801e95d500
R13: 0000000000000000 R14: ffff8880401cd340 R15: ffff88803faf7e98
FS: 00007fc9de7e9700(0000) GS:ffff8880e54a5000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc9e1387018 CR3: 00000000405aa000 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: 0033:0x7fc9e1275107
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:00007fc9de7e9128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fc9e1275107
RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000003
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc9de7e96bc
R13: 000000000000000e R14: 00007fc9de7e9300 R15: 0000000000022000
irq event stamp: 2709
hardirqs last enabled at (2719): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (2726): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (2464): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (2401): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
audit: type=1326 audit(1762329961.283:10): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=5061 comm="syz-executor.1" exe="/syz-executor.1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f9575be7b19 code=0x0
loop6: detected capacity change from 0 to 136
isofs_fill_super: get root inode failed
loop6: detected capacity change from 0 to 136
isofs_fill_super: get root inode failed
loop6: detected capacity change from 0 to 136
audit: type=1326 audit(1762329961.566:11): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=5090 comm="syz-executor.1" exe="/syz-executor.1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f9575be7b19 code=0x0
audit: type=1326 audit(1762329961.568:12): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=5099 comm="syz-executor.3" exe="/syz-executor.3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f31ca963b19 code=0x0
isofs_fill_super: get root inode failed
audit: type=1326 audit(1762329962.498:13): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=5126 comm="syz-executor.3" exe="/syz-executor.3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f31ca963b19 code=0x0
loop6: detected capacity change from 0 to 136
audit: type=1326 audit(1762329962.506:14): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=5124 comm="syz-executor.1" exe="/syz-executor.1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f9575be7b19 code=0x0
isofs_fill_super: get root inode failed
audit: type=1326 audit(1762329963.395:15): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=5153 comm="syz-executor.3" exe="/syz-executor.3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f31ca963b19 code=0x0
audit: type=1326 audit(1762329963.396:16): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=5155 comm="syz-executor.1" exe="/syz-executor.1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f9575be7b19 code=0x0
loop5: detected capacity change from 0 to 512
EXT4-fs (loop5): mounting ext2 file system using the ext4 subsystem
EXT4-fs (loop5): warning: mounting unchecked fs, running e2fsck is recommended
EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.
loop5: detected capacity change from 0 to 512
EXT4-fs (loop5): mounting ext2 file system using the ext4 subsystem
EXT4-fs (loop5): warning: mounting unchecked fs, running e2fsck is recommended
EXT4-fs (loop5): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: none.
EXT4-fs (loop5): unmounting filesystem 00000000-0000-0000-0000-000000000000.