netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'.
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WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x33f/0x3d0, CPU#0: syz-executor.4/48370
Modules linked in:
CPU: 0 UID: 0 PID: 48370 Comm: syz-executor.4 Not tainted 6.18.0-rc4-next-20251107 #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 3e 24 ab ff 90 0f 0b 90 e9 3f fd ff ff e8 30 24 ab ff 90 0f 0b 90 e9 92 fd ff ff e8 22 24 ab ff 90 <0f> 0b 90 e9 e5 fd ff ff e8 14 24 ab ff 90 0f 0b 90 e9 38 fe ff ff
RSP: 0018:ffff888039c27e08 EFLAGS: 00010212
RAX: 0000000000000d0c RBX: ffff88804a9a6820 RCX: ffffc90006e60000
RDX: 0000000000040000 RSI: ffffffff81c9ab0e RDI: 0000000000000001
RBP: ffff8880169bc001 R08: 0000000000000001 R09: ffffed1002d37941
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800d6ac540
R13: 0000000000000000 R14: ffff88804a6db780 R15: ffff888039c27e98
FS: 00007ff8e6ffb700(0000) GS:ffff8880e5398000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d322000 CR3: 00000000503df000 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/0x430
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff8e9a87107
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:00007ff8e6ffb128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007ff8e9b98f60 RCX: 00007ff8e9a87107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffaa98f38f R14: 00007ff8e6ffb300 R15: 0000000000022000
irq event stamp: 1833
hardirqs last enabled at (1843): [] __up_console_sem+0x78/0x80
loop2: detected capacity change from 0 to 2048
hardirqs last disabled at (1848): [] console_flush_one_record+0x903/0xb20
softirqs last enabled at (1592): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (1513): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
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WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x35b/0x3d0, CPU#0: syz-executor.4/48370
Modules linked in:
CPU: 0 UID: 0 PID: 48370 Comm: syz-executor.4 Tainted: G W 6.18.0-rc4-next-20251107 #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 24 ab ff 90 0f 0b 90 e9 e5 fd ff ff e8 14 24 ab ff 90 0f 0b 90 e9 38 fe ff ff e8 06 24 ab ff 90 <0f> 0b 90 e9 8b fe ff ff e8 f8 23 ab ff 90 0f 0b 90 e9 de fe ff ff
RSP: 0018:ffff888039c27e08 EFLAGS: 00010206
RAX: 00000000000212d0 RBX: ffff88804a9a6820 RCX: ffffc90006e60000
RDX: 0000000000040000 RSI: ffffffff81c9ab2a RDI: 0000000000000001
RBP: ffff88800948b001 R08: 0000000000000001 R09: ffffed1001291617
R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800d6ac540
R13: 0000000000000000 R14: ffff88804a6db780 R15: ffff888039c27e98
FS: 00007ff8e6ffb700(0000) GS:ffff8880e5398000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d322000 CR3: 00000000503df000 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/0x430
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff8e9a87107
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:00007ff8e6ffb128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134
RAX: ffffffffffffffda RBX: 00007ff8e9b98f60 RCX: 00007ff8e9a87107
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef
RBP: 0000000000000004 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffaa98f38f R14: 00007ff8e6ffb300 R15: 0000000000022000
irq event stamp: 2245
hardirqs last enabled at (2253): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (2264): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (1592): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (1513): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
EXT4-fs error (device loop2): ext4_ext_check_inode:523: inode #3: comm syz-executor.2: pblk 0 bad header/extent: invalid extent entries - magic f30a, entries 1, max 4(4), depth 0(0)
EXT4-fs error (device loop2): ext4_quota_enable:7139: comm syz-executor.2: Bad quota inode: 3, type: 0
EXT4-fs warning (device loop2): ext4_enable_quotas:7177: Failed to enable quota tracking (type=0, err=-117, ino=3). Please run e2fsck to fix.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.4'.
EXT4-fs (loop2): mount failed