netlink: 'syz-executor.7': attribute type 12 has an invalid length. ------------[ cut here ]------------ WARNING: ./include/linux/ns_common.h:288 at nsproxy_ns_active_get+0x33f/0x3d0, CPU#0: syz-executor.5/28969 Modules linked in: CPU: 0 UID: 0 PID: 28969 Comm: syz-executor.5 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+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:ffff8880498d7e08 EFLAGS: 00010216 RAX: 0000000000000cfb RBX: ffff88800df01478 RCX: ffffc90005618000 RDX: 0000000000040000 RSI: ffffffff81c9553e RDI: 0000000000000001 RBP: ffff888017bee001 R08: 0000000000000001 R09: ffffed1002f7dd41 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800985f880 R13: 0000000000000000 R14: ffff88803d25b780 R15: ffff8880498d7e98 FS: 00007fa483d4b700(0000) GS:ffff8880e539c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa4868e9018 CR3: 0000000035b9c000 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: 0033:0x7fa4867d7107 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:00007fa483d4b128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 00007fa4868e8f60 RCX: 00007fa4867d7107 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffeeecd16bf R14: 00007fa483d4b300 R15: 0000000000022000 irq event stamp: 467 hardirqs last enabled at (473): [] vprintk_emit+0x650/0x690 hardirqs last disabled at (478): [] vprintk_emit+0x5e1/0x690 softirqs last enabled at (348): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (285): [] __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.5/28969 Modules linked in: CPU: 0 UID: 0 PID: 28969 Comm: syz-executor.5 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:ffff8880498d7e08 EFLAGS: 00010212 RAX: 0000000000011d32 RBX: ffff88800df01478 RCX: ffffc90005618000 RDX: 0000000000040000 RSI: ffffffff81c9555a RDI: 0000000000000001 RBP: ffff888009842a01 R08: 0000000000000001 R09: ffffed1001308557 R10: 0000000000000001 R11: 0000000000000001 R12: ffff88800985f880 R13: 0000000000000000 R14: ffff88803d25b780 R15: ffff8880498d7e98 FS: 00007fa483d4b700(0000) GS:ffff8880e539c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa4868e9018 CR3: 0000000035b9c000 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: 0033:0x7fa4867d7107 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:00007fa483d4b128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 00007fa4868e8f60 RCX: 00007fa4867d7107 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000000000ef RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffeeecd16bf R14: 00007fa483d4b300 R15: 0000000000022000 irq event stamp: 731 hardirqs last enabled at (737): [] vprintk_emit+0x650/0x690 hardirqs last disabled at (742): [] vprintk_emit+0x5e1/0x690 softirqs last enabled at (348): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (285): [] __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.5/28969 Modules linked in: CPU: 0 UID: 0 PID: 28969 Comm: syz-executor.5 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:ffff8880498d7e08 EFLAGS: 00010216 RAX: 000000000002a349 RBX: ffff88800df015b0 RCX: ffffc90005618000 RDX: 0000000000040000 RSI: ffffffff81c95568 RDI: 0000000000000001 RBP: ffff8880165e1801 R08: 0000000000000001 R09: ffffed1002cbc34a R10: 0000000000000001 R11: 0000000000000001 R12: ffff8880177da1c0 R13: 0000000000000000 R14: ffff88803d25b780 R15: ffff8880498d7e98 FS: 00007fa483d4b700(0000) GS:ffff8880e539c000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002095a000 CR3: 0000000035b9c000 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: 0033:0x7fa4867d7107 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:00007fa483d4b128 EFLAGS: 00000246 ORIG_RAX: 0000000000000134 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fa4867d7107 RDX: 0000000000000010 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa483d4b6bc R13: 000000000000000e R14: 00007fa483d4b300 R15: 0000000000022000 irq event stamp: 1133 hardirqs last enabled at (1139): [] vprintk_emit+0x650/0x690 hardirqs last disabled at (1146): [] vprintk_emit+0x5e1/0x690 softirqs last enabled at (1002): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (925): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- loop2: detected capacity change from 0 to 264192 EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir245382861/syzkaller.gb8uk7/582/file0 supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. loop2: detected capacity change from 0 to 264192 netlink: 40 bytes leftover after parsing attributes in process `syz-executor.7'. EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir245382861/syzkaller.gb8uk7/583/file0 supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. netlink: 40 bytes leftover after parsing attributes in process `syz-executor.7'. netlink: 40 bytes leftover after parsing attributes in process `syz-executor.7'. netlink: 40 bytes leftover after parsing attributes in process `syz-executor.7'. loop2: detected capacity change from 0 to 264192 EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir245382861/syzkaller.gb8uk7/587/file0 supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. loop2: detected capacity change from 0 to 264192 EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir245382861/syzkaller.gb8uk7/589/file0 supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. loop2: detected capacity change from 0 to 264192 EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir245382861/syzkaller.gb8uk7/590/file0 supports timestamps until 2038-01-19 (0x7fffffff) netlink: 'syz-executor.7': attribute type 8 has an invalid length. EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. netlink: 'syz-executor.7': attribute type 8 has an invalid length. loop2: detected capacity change from 0 to 264192 EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir245382861/syzkaller.gb8uk7/591/file0 supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. loop2: detected capacity change from 0 to 264192 EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir245382861/syzkaller.gb8uk7/593/file0 supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. loop2: detected capacity change from 0 to 264192 EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir245382861/syzkaller.gb8uk7/594/file0 supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. loop2: detected capacity change from 0 to 264192 EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir245382861/syzkaller.gb8uk7/595/file0 supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. loop2: detected capacity change from 0 to 264192 __nla_validate_parse: 5 callbacks suppressed netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir245382861/syzkaller.gb8uk7/596/file0 supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'. audit: type=1326 audit(1762849756.351:35): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=30396 comm="syz-executor.5" exe="/syz-executor.5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fa4867d5b19 code=0x0 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. loop2: detected capacity change from 0 to 264192 EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir245382861/syzkaller.gb8uk7/597/file0 supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. audit: type=1326 audit(1762849757.177:36): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=30396 comm="syz-executor.5" exe="/syz-executor.5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fa4867d5b19 code=0x0 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. loop2: detected capacity change from 0 to 264192 netlink: 32 bytes leftover after parsing attributes in process `syz-executor.7'. netlink: 28 bytes leftover after parsing attributes in process `syz-executor.0'. EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir245382861/syzkaller.gb8uk7/598/file0 supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 32 bytes leftover after parsing attributes in process `syz-executor.7'. netlink: 28 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'. loop2: detected capacity change from 0 to 264192 netlink: 'syz-executor.7': attribute type 13 has an invalid length. EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir245382861/syzkaller.gb8uk7/600/file0 supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. netlink: 'syz-executor.7': attribute type 13 has an invalid length. loop2: detected capacity change from 0 to 264192 EXT4-fs (loop2): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir245382861/syzkaller.gb8uk7/601/file0 supports timestamps until 2038-01-19 (0x7fffffff) netlink: 'syz-executor.7': attribute type 13 has an invalid length. EXT4-fs (loop2): unmounting filesystem 00000000-0000-0000-0000-000000000000. loop2: detected capacity change from 0 to 264192 netlink: 'syz-executor.7': attribute type 13 has an invalid length. ext4 filesystem being mounted at /syzkaller-testdir245382861/syzkaller.gb8uk7/602/file0 supports timestamps until 2038-01-19 (0x7fffffff) loop2: detected capacity change from 0 to 264192 ext4 filesystem being mounted at /syzkaller-testdir245382861/syzkaller.gb8uk7/603/file0 supports timestamps until 2038-01-19 (0x7fffffff) loop2: detected capacity change from 0 to 264192 ext4 filesystem being mounted at /syzkaller-testdir245382861/syzkaller.gb8uk7/604/file0 supports timestamps until 2038-01-19 (0x7fffffff) loop2: detected capacity change from 0 to 264192 ext4 filesystem being mounted at /syzkaller-testdir245382861/syzkaller.gb8uk7/605/file0 supports timestamps until 2038-01-19 (0x7fffffff) loop2: detected capacity change from 0 to 264192 ext4 filesystem being mounted at /syzkaller-testdir245382861/syzkaller.gb8uk7/606/file0 supports timestamps until 2038-01-19 (0x7fffffff) loop2: detected capacity change from 0 to 264192 ext4 filesystem being mounted at /syzkaller-testdir245382861/syzkaller.gb8uk7/607/file0 supports timestamps until 2038-01-19 (0x7fffffff) audit: type=1326 audit(1762849761.213:37): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=31508 comm="syz-executor.5" exe="/syz-executor.5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fa4867d5b19 code=0x0 loop2: detected capacity change from 0 to 264192 ext4 filesystem being mounted at /syzkaller-testdir245382861/syzkaller.gb8uk7/608/file0 supports timestamps until 2038-01-19 (0x7fffffff)