loop2: de[ 79.361530][ T5040] loop2: detected capacity change from 0 to 256 exFAT-fs (loop2): start_clu is invalid cluster(0x400) ------------[ cut here ]------------ rtmutex deadlock detected WARNING: CPU: 0 PID: 5040 at kernel/locking/rtmutex.c:1669 rt_mutex_handle_deadlock kernel/locking/rtmutex.c:1669 [inline] WARNING: CPU: 0 PID: 5040 at kernel/locking/rtmutex.c:1669 __rt_mutex_slowlock kernel/locking/rtmutex.c:1726 [inline] WARNING: CPU: 0 PID: 5040 at kernel/locking/rtmutex.c:1669 __rt_mutex_slowlock_locked+0x5b9/0xdc0 kernel/locking/rtmutex.c:1751 Modules linked in: CPU: 0 UID: 0 PID: 5040 Comm: syz.2.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 RIP: 0010:rt_mutex_handle_deadlock kernel/locking/rtmutex.c:1669 [inline] RIP: 0010:__rt_mutex_slowlock kernel/locking/rtmutex.c:1726 [inline] RIP: 0010:__rt_mutex_slowlock_locked+0x5b9/0xdc0 kernel/locking/rtmutex.c:1751 Code: 2d 02 48 89 df e8 17 09 2e 02 41 83 ff dd 0f 85 09 05 00 00 48 89 df e8 c5 0a 2e 02 90 48 c7 c7 aa da 4f 84 e8 58 11 29 02 90 <0f> 0b 90 90 b8 01 00 00 00 41 87 46 18 e8 25 5e fc ff eb f0 4c 89 RSP: 0018:ffffc900033f3d10 EFLAGS: 00010246 RAX: 70096438b7ff4500 RBX: ffff888112289008 RCX: 0000000000000000 RDX: 0000000000000002 RSI: ffffffff844ca28c RDI: 00000000ffffffff RBP: 0000000000000001 R08: 0000000000001fff R09: ffffffff84b7a7d0 R10: 0000000000005ffd R11: 00000000ffffdfff R12: ffff88810d69d340 R13: ffff88810d69dd60 R14: ffff88810d69d340 R15: 00000000ffffffdd FS: 00007fe1d554f6c0(0000) GS:ffff88813ba00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 000000010dff4000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: rt_mutex_slowlock+0x48/0xb0 kernel/locking/rtmutex.c:1790 __rt_mutex_lock kernel/locking/rtmutex.c:1808 [inline] rwbase_write_lock+0x8f/0x220 kernel/locking/rwbase_rt.c:244 inode_lock include/linux/fs.h:818 [inline] vfs_rmdir+0x58/0x180 fs/namei.c:4383 do_rmdir+0x129/0x320 fs/namei.c:4453 __do_sys_unlinkat fs/namei.c:4629 [inline] __se_sys_unlinkat fs/namei.c:4623 [inline] __x64_sys_unlinkat+0x34/0x50 fs/namei.c:4623 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xe2/0x210 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fe1d56df6c9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fe1d554f038 EFLAGS: 00000246 ORIG_RAX: 0000000000000107 RAX: ffffffffffffffda RBX: 00007fe1d5935fa0 RCX: 00007fe1d56df6c9 RDX: 0000000000000200 RSI: 0000200000000040 RDI: 0000000000000006 RBP: 00007fe1d5761f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fe1d5936038 R14: 00007fe1d5935fa0 R15: 00007ffdc8e682e8