kernel_clone+0xea/0x7f0
__do_sys_clone3+0x1f5/0x280
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
------------[ cut here ]------------
WARNING: fs/namespace.c:1375 at cleanup_mnt+0x33f/0x430, CPU#0: syz-executor.7/4654
Modules linked in:
CPU: 0 UID: 0 PID: 4654 Comm: syz-executor.7 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:ffff88804758faf8 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 000000000000000d RCX: ffffffff81bf9de5
RDX: ffff88801f3fd280 RSI: ffffffff81bfa0fe RDI: 0000000000000005
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: 000000000000000d R11: 0000000000000001 R12: ffff88801f3fdb58
R13: ffff8880162ed340 R14: 0000000000000001 R15: ffff8880162ed380
FS: 0000000000000000(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d032000 CR3: 000000003dfe8000 CR4: 0000000000350ef0
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: 0033:0xe
Code: Unable to access opcode bytes at 0xffffffffffffffe4.
RSP: 002b:00007fc8b977a190 EFLAGS: 00010217
RAX: 0000000000000000 RBX: 00007fc8bc317f60 RCX: 00007fc8bc204b19
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 00000000200002c0
RBP: 00007fc8bc25ef6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffde923107f R14: 00007fc8b977a300 R15: 0000000000022000
irq event stamp: 1199
hardirqs last enabled at (1207): [] __up_console_sem+0x78/0x80
hardirqs last disabled at (1216): [] __up_console_sem+0x5d/0x80
softirqs last enabled at (1230): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (1225): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
process 'syz-executor.7' launched './file1' with NULL argv: empty string added
loop2: detected capacity change from 0 to 264192
loop2: detected capacity change from 0 to 736
loop4: detected capacity change from 0 to 16148
iso9660: Unknown parameter 'cieck'
loop4: detected capacity change from 0 to 16148
iso9660: Unknown parameter 'cieck'
ISOFS: Unable to identify CD-ROM format.