------------[ cut here ]------------
WARNING: fs/namespace.c:1375 at cleanup_mnt+0x33f/0x430, CPU#0: syz-executor.5/33022
Modules linked in:
CPU: 0 UID: 0 PID: 33022 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:cleanup_mnt+0x33f/0x430
Code: c7 a0 45 d1 85 e8 01 7c fa 02 49 8d 7d 40 5b 48 c7 c6 10 e2 be 81 5d 41 5c 41 5d 41 5e 41 5f e9 57 b3 9c ff e8 82 46 b4 ff 90 <0f> 0b 90 e9 e6 fc ff ff e8 74 46 b4 ff 4c 89 ef e8 6c d7 06 00 e9
RSP: 0018:ffff888018e2faf8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000008 RCX: ffffffff81bf9de5
RDX: ffff888047738000 RSI: ffffffff81bfa0fe RDI: 0000000000000005
RBP: ffff888020566900 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000008 R11: 0000000000000000 R12: ffff8880477388d8
R13: ffff888020566700 R14: 0000000000000001 R15: ffff888020566740
FS: 0000000000000000(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2cd22000 CR3: 000000001eef6000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
task_work_run+0x172/0x280
do_exit+0x846/0x2970
do_group_exit+0xd3/0x2a0
get_signal+0x2315/0x2340
arch_do_signal_or_restart+0x80/0x790
irqentry_exit_to_user_mode+0x106/0x1c0
exc_page_fault+0xd9/0x180
asm_exc_page_fault+0x26/0x30
RIP: 0033:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 002b:000000002000021c EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f92268f9f60 RCX: 00007f92267e6b19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020000240
RBP: 00007f9226840f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd35421f0f R14: 00007f9223d5c300 R15: 0000000000022000
irq event stamp: 725
hardirqs last enabled at (735): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (744): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (378): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (373): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
WARNING: fs/namespace.c:1434 at mntput_no_expire+0x78e/0xbe0, CPU#1: syz-executor.5/33022
Modules linked in:
CPU: 1 UID: 0 PID: 33022 Comm: syz-executor.5 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:mntput_no_expire+0x78e/0xbe0
Code: 05 16 42 81 04 01 e8 31 f8 91 ff e9 41 fc ff ff e8 b7 50 b4 ff 31 ff 44 89 ee e8 dd 4b b4 ff 45 85 ed 79 09 e8 a3 50 b4 ff 90 <0f> 0b 90 e8 9a 50 b4 ff e8 75 f6 fb 02 31 ff 89 c5 89 c6 e8 ba 4b
RSP: 0018:ffff88801701f9b8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff11002e03f3c RCX: ffffffff81bf96d3
RDX: ffff888045de0000 RSI: ffffffff81bf96dd RDI: 0000000000000005
RBP: ffff88801ff72a80 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000001 R12: ffff88801701fa20
R13: 00000000ffffffff R14: dead000000000100 R15: ffff88801ff72a80
FS: 0000000000000000(0000) GS:ffff8880e56dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ce29000 CR3: 000000003d467000 CR4: 0000000000350ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
namespace_unlock+0x57d/0x810
put_mnt_ns+0xf5/0x120
free_nsproxy+0x3a/0x400
switch_task_namespaces+0xe2/0x100
do_exit+0x841/0x2970
do_group_exit+0xd3/0x2a0
get_signal+0x2315/0x2340
arch_do_signal_or_restart+0x80/0x790
irqentry_exit_to_user_mode+0x106/0x1c0
exc_page_fault+0xd9/0x180
asm_exc_page_fault+0x26/0x30
RIP: 0033:0x0
Code: Unable to access opcode bytes at 0xffffffffffffffd6.
RSP: 002b:000000002000021c EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007f92268f9f60 RCX: 00007f92267e6b19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020000240
RBP: 00007f9226840f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd35421f0f R14: 00007f9223d5c300 R15: 0000000000022000
irq event stamp: 709
hardirqs last enabled at (719): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (726): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (594): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (745): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
netlink: 'syz-executor.7': attribute type 16 has an invalid length.
netlink: 'syz-executor.7': attribute type 16 has an invalid length.
netlink: 'syz-executor.7': attribute type 16 has an invalid length.
netlink: 'syz-executor.4': attribute type 16 has an invalid length.
netlink: 'syz-executor.4': attribute type 16 has an invalid length.
netlink: 'syz-executor.7': attribute type 16 has an invalid length.
netlink: 'syz-executor.4': attribute type 16 has an invalid length.
netlink: 'syz-executor.7': attribute type 16 has an invalid length.
No source specified
No source specified
No source specified
No source specified
No source specified
audit: type=1326 audit(1756463136.284:18): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=6361 comm="syz-executor.3" exe="/syz-executor.3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fb6e1288b19 code=0x0
audit: type=1326 audit(1756463137.130:19): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=6361 comm="syz-executor.3" exe="/syz-executor.3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fb6e1288b19 code=0x0
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=16 sclass=netlink_audit_socket pid=6386 comm=syz-executor.1
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=17 sclass=netlink_audit_socket pid=6386 comm=syz-executor.1
audit: type=1326 audit(1756463137.331:20): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=6389 comm="syz-executor.3" exe="/syz-executor.3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fb6e1288b19 code=0x0
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=16 sclass=netlink_audit_socket pid=6396 comm=syz-executor.1
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=17 sclass=netlink_audit_socket pid=6396 comm=syz-executor.1
Bluetooth: hci7: unexpected event for opcode 0x0804
Bluetooth: hci7: ACL packet for unknown connection handle 200
Bluetooth: hci7: SCO packet for unknown connection handle 0
Bluetooth: hci7: ACL packet for unknown connection handle 201
Bluetooth: hci7: ACL packet for unknown connection handle 200
Bluetooth: hci7: ACL packet for unknown connection handle 201
Bluetooth: hci7: SCO packet for unknown connection handle 201
Bluetooth: hci5: unexpected event for opcode 0x0804
Bluetooth: hci5: ACL packet for unknown connection handle 200
Bluetooth: hci5: SCO packet for unknown connection handle 0
Bluetooth: hci5: ACL packet for unknown connection handle 201
Bluetooth: hci5: ACL packet for unknown connection handle 200
Bluetooth: hci5: ACL packet for unknown connection handle 201
Bluetooth: hci5: SCO packet for unknown connection handle 201
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=16 sclass=netlink_audit_socket pid=6415 comm=syz-executor.1
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=17 sclass=netlink_audit_socket pid=6415 comm=syz-executor.1
Bluetooth: hci5: unexpected event for opcode 0x0804
Bluetooth: hci5: ACL packet for unknown connection handle 200
Bluetooth: hci5: SCO packet for unknown connection handle 0
Bluetooth: hci5: ACL packet for unknown connection handle 201
Bluetooth: hci5: ACL packet for unknown connection handle 200
Bluetooth: hci5: ACL packet for unknown connection handle 201
Bluetooth: hci5: SCO packet for unknown connection handle 201
Bluetooth: hci7: unexpected event for opcode 0x0804
Bluetooth: hci7: ACL packet for unknown connection handle 200
Bluetooth: hci7: SCO packet for unknown connection handle 0
Bluetooth: hci7: ACL packet for unknown connection handle 201
Bluetooth: hci7: ACL packet for unknown connection handle 200
Bluetooth: hci7: ACL packet for unknown connection handle 201
Bluetooth: hci7: SCO packet for unknown connection handle 201
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=16 sclass=netlink_audit_socket pid=6439 comm=syz-executor.1
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=17 sclass=netlink_audit_socket pid=6439 comm=syz-executor.1
Bluetooth: hci5: unexpected event for opcode 0x0804
Bluetooth: hci5: ACL packet for unknown connection handle 200
Bluetooth: hci5: SCO packet for unknown connection handle 0
Bluetooth: hci5: ACL packet for unknown connection handle 201
Bluetooth: hci5: ACL packet for unknown connection handle 200
Bluetooth: hci5: ACL packet for unknown connection handle 201
Bluetooth: hci5: SCO packet for unknown connection handle 201
audit: type=1326 audit(1756463138.344:21): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=6441 comm="syz-executor.3" exe="/syz-executor.3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fb6e1288b19 code=0x0
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=16 sclass=netlink_audit_socket pid=6452 comm=syz-executor.1
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=17 sclass=netlink_audit_socket pid=6452 comm=syz-executor.1
autofs4:pid:6467:validate_dev_ioctl: path string terminator missing for cmd(0xc0189375)
Bluetooth: hci7: unexpected event for opcode 0x0804
Bluetooth: hci7: ACL packet for unknown connection handle 200
Bluetooth: hci7: ACL packet for unknown connection handle 201
Bluetooth: hci7: ACL packet for unknown connection handle 200
Bluetooth: hci7: ACL packet for unknown connection handle 201
autofs4:pid:6467:validate_dev_ioctl: path string terminator missing for cmd(0xc0189375)
audit: type=1326 audit(1756463139.331:22): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=6465 comm="syz-executor.3" exe="/syz-executor.3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7fb6e1288b19 code=0x0
autofs4:pid:6484:validate_dev_ioctl: path string terminator missing for cmd(0xc0189375)
autofs4:pid:6504:validate_dev_ioctl: path string terminator missing for cmd(0xc0189375)
autofs4:pid:6522:validate_dev_ioctl: path string terminator missing for cmd(0xc0189375)
Bluetooth: hci7: Controller not accepting commands anymore: ncmd = 0
Bluetooth: hci7: Injecting HCI hardware error event
Bluetooth: hci7: hardware error 0x00
Bluetooth: hci5: Controller not accepting commands anymore: ncmd = 0
Bluetooth: hci5: Injecting HCI hardware error event
Bluetooth: hci5: hardware error 0x00
No source specified
No source specified
No source specified
No source specified
Bluetooth: hci7: Opcode 0x0c03 failed: -110
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'.
Bluetooth: hci5: Opcode 0x0c03 failed: -110
No source specified
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'.
netlink: 4 bytes leftover after parsing attributes in process `syz-executor.4'.