audit: type=1326 audit(1756612500.025:12): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=3972 comm="syz-executor.3" exe="/syz-executor.3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f3d5a91ab19 code=0x0
------------[ cut here ]------------
WARNING: fs/namespace.c:1434 at mntput_no_expire+0x78e/0xbe0, CPU#0: syz-executor.0/3974
Modules linked in:
CPU: 0 UID: 0 PID: 3974 Comm: syz-executor.0 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:ffff8880456879b8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 1ffff11008ad0f3c RCX: ffffffff81bf96d3
RDX: ffff88801bbc3700 RSI: ffffffff81bf96dd RDI: 0000000000000005
RBP: ffff888017a59c00 R08: 0000000000000001 R09: 0000000000000000
R10: 00000000ffffffff R11: 0000000000000001 R12: ffff888045687a20
R13: 00000000ffffffff R14: dead000000000100 R15: ffff888017a59c00
FS: 0000000000000000(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2cc24000 CR3: 0000000043aff000 CR4: 0000000000350ef0
Call Trace:
namespace_unlock+0x7f1/0x810
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: 0033:0xe
Code: Unable to access opcode bytes at 0xffffffffffffffe4.
RSP: 002b:00007fd93ca6c190 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007fd93f609f60 RCX: 00007fd93f4f6b19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 00000000200002c0
RBP: 00007fd93f550f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffd453a918f R14: 00007fd93ca6c300 R15: 0000000000022000
irq event stamp: 1701
hardirqs last enabled at (1711): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (1720): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (1308): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (1299): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
program syz-executor.3 is using a deprecated SCSI ioctl, please convert it to SG_IO
program syz-executor.3 is using a deprecated SCSI ioctl, please convert it to SG_IO
program syz-executor.7 is using a deprecated SCSI ioctl, please convert it to SG_IO
program syz-executor.7 is using a deprecated SCSI ioctl, please convert it to SG_IO
loop1: detected capacity change from 0 to 49
program syz-executor.6 is using a deprecated SCSI ioctl, please convert it to SG_IO
audit: type=1400 audit(1756612500.313:13): avc: denied { watch_reads } for pid=3975 comm="syz-executor.7" path="/syzkaller-testdir023599156/syzkaller.73Dg6r/2/file0" dev="sda" ino=16012 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=dir permissive=1
syz-executor.2 (3958) used greatest stack depth: 24560 bytes left
syz-executor.5 (3951) used greatest stack depth: 24464 bytes left
audit: type=1326 audit(1756612500.853:14): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=3972 comm="syz-executor.3" exe="/syz-executor.3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x7f3d5a91ab19 code=0x0
program syz-executor.3 is using a deprecated SCSI ioctl, please convert it to SG_IO
program syz-executor.3 is using a deprecated SCSI ioctl, please convert it to SG_IO