loop0: detected capacity change from 0 to 32768 ocfs2: Readonly device (7,0) detected. Cluster services will not be used for this mount. Recovery will be skipped. ocfs2: Mounting device (7,0) on (node local, slot 65535) with ordered data mode. ------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(lock->magic != lock) WARNING: CPU: 0 PID: 5315 at kernel/locking/mutex.c:564 __mutex_lock_common kernel/locking/mutex.c:564 [inline] WARNING: CPU: 0 PID: 5315 at kernel/locking/mutex.c:564 __mutex_lock+0xed2/0x1010 kernel/locking/mutex.c:730 Modules linked in: CPU: 0 UID: 0 PID: 5315 Comm: syz.0.0 Not tainted 6.13.0-syzkaller-07644-gc2da8b3f914f #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:__mutex_lock_common kernel/locking/mutex.c:564 [inline] RIP: 0010:__mutex_lock+0xed2/0x1010 kernel/locking/mutex.c:730 Code: 0f b6 04 28 84 c0 0f 85 23 01 00 00 83 3d 89 60 25 04 00 75 19 90 48 c7 c7 80 7d 0a 8c 48 c7 c6 20 7e 0a 8c e8 4f ca 89 f5 90 <0f> 0b 90 90 90 e9 91 f2 ff ff 90 0f 0b 90 e9 16 f7 ff ff 90 0f 0b RSP: 0018:ffffc900019b7780 EFLAGS: 00010246 RAX: 8f976cf13f45dd00 RBX: ffffc900019b7848 RCX: 0000000000100000 RDX: ffffc9000ecea000 RSI: 00000000000008ea RDI: 00000000000008eb RBP: ffffc900019b7918 R08: ffffffff81802a82 R09: 1ffff11003f8519a R10: dffffc0000000000 R11: ffffed1003f8519b R12: 1ffff92000336f04 R13: dffffc0000000000 R14: ffff888040568df0 R15: 0000000000000000 FS: 00007fc35d9a66c0(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020019000 CR3: 0000000040788000 CR4: 0000000000352ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ocfs2_trim_fs_lock_res_init+0x35/0x4d0 fs/ocfs2/dlmglue.c:702 ocfs2_trim_fs+0x13c/0x2920 fs/ocfs2/alloc.c:7662 ocfs2_ioctl+0x71a/0x7d0 fs/ocfs2/ioctl.c:936 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xf5/0x170 fs/ioctl.c:892 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc35cb8cd29 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:00007fc35d9a6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc35cda5fa0 RCX: 00007fc35cb8cd29 RDX: 0000000020000080 RSI: 00000000c0185879 RDI: 000000000000000a RBP: 00007fc35cc0e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fc35cda5fa0 R15: 00007ffd39dfd018