loop8: rw=524288, sector=45064, nr_sectors = 8 limit=40427
syz-executor: attempt to access beyond end of device
loop8: rw=0, sector=45064, nr_sectors = 8 limit=40427
------------[ cut here ]------------
WARNING: CPU: 0 PID: 10810 at fs/namespace.c:1426 cleanup_mnt+0x489/0x4c0 fs/namespace.c:1426
Modules linked in:
CPU: 0 UID: 0 PID: 10810 Comm: syz-executor Not tainted 6.15.0-rc5-syzkaller-00136-g9c69f8884904 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/29/2025
RIP: 0010:cleanup_mnt+0x489/0x4c0 fs/namespace.c:1426
Code: 48 c7 c6 90 39 3a 82 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d e9 27 d9 6c ff e8 c2 96 85 ff e9 d0 fc ff ff e8 b8 96 85 ff 90 <0f> 0b 90 e9 dc fc ff ff e8 aa 96 85 ff 48 8b 1c 24 48 89 df e8 6e
RSP: 0018:ffffc9000419fc08 EFLAGS: 00010293
RAX: ffffffff823a38a8 RBX: ffff88805d45d500 RCX: ffff8880292cda00
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000000
RBP: 0000000000000003 R08: ffffffff8f7da777 R09: 1ffffffff1efb4ee
R10: dffffc0000000000 R11: ffffffff823a33f0 R12: 0000000000000000
R13: 1ffff1100ba8baab R14: ffff88805d45d558 R15: 0000000000000002
FS: 0000000000000000(0000) GS:ffff888126100000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005585e7308950 CR3: 0000000060c12000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
task_work_run+0x1d1/0x260 kernel/task_work.c:227
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0x8d6/0x2550 kernel/exit.c:953
do_group_exit+0x21c/0x2d0 kernel/exit.c:1102
__do_sys_exit_group kernel/exit.c:1113 [inline]
__se_sys_exit_group kernel/exit.c:1111 [inline]
__x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1111
x64_sys_call+0x21ba/0x21c0 arch/x86/include/generated/asm/syscalls_64.h:232
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf6/0x210 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f250098e969
Code: Unable to access opcode bytes at 0x7f250098e93f.
RSP: 002b:00007fff4c021e78 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f2500a1090f RCX: 00007f250098e969
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: 0000000000000010 R08: 00007fff4c01fc16 R09: 00007fff4c023130
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fff4c023130
R13: 00007f2500a1089d R14: 00005555576b34a8 R15: 00007fff4c024200
</TASK>