loop4: detected capacity change from 0 to 64 ------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(lock->magic != lock) WARNING: CPU: 0 PID: 22253 at kernel/locking/mutex.c:582 __mutex_lock_common+0x1a3e/0x2530 kernel/locking/mutex.c:582 Modules linked in: CPU: 0 PID: 22253 Comm: syz-executor.4 Not tainted 6.5.0-rc3-syzkaller-00044-g0a8db05b571a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 RIP: 0010:__mutex_lock_common+0x1a3e/0x2530 kernel/locking/mutex.c:582 Code: 04 28 84 c0 0f 85 82 08 00 00 83 3d 93 c0 d2 03 00 0f 85 00 e7 ff ff 48 c7 c7 00 7c 0a 8b 48 c7 c6 a0 7c 0a 8b e8 02 61 8d f6 <0f> 0b e9 e6 e6 ff ff e8 b6 b6 3a f6 e9 59 fb ff ff 0f 0b e9 bd f0 RSP: 0018:ffffc90005f875a0 EFLAGS: 00010246 RAX: 6d9b5e3e18f60c00 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffc9000bb29000 RSI: 0000000000009d02 RDI: 0000000000009d03 RBP: ffffc90005f87710 R08: ffffffff815333a2 R09: 1ffff11017325162 R10: dffffc0000000000 R11: ffffed1017325163 R12: 0000000000000000 R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f917fca86c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f917eed71e5 CR3: 000000002cb23000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x1b/0x20 kernel/locking/mutex.c:799 reiserfs_write_lock+0x7a/0xd0 fs/reiserfs/lock.c:27 reiserfs_lookup+0x162/0x580 fs/reiserfs/namei.c:364 lookup_open fs/namei.c:3470 [inline] open_last_lookups fs/namei.c:3560 [inline] path_openat+0x11f1/0x3180 fs/namei.c:3790 do_filp_open+0x234/0x490 fs/namei.c:3820 do_sys_openat2+0x13e/0x1d0 fs/open.c:1407 do_sys_open fs/open.c:1422 [inline] __do_sys_openat fs/open.c:1438 [inline] __se_sys_openat fs/open.c:1433 [inline] __x64_sys_openat+0x247/0x290 fs/open.c:1433 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f917ee7cb29 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f917fca80c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f917ef9bf80 RCX: 00007f917ee7cb29 RDX: 000000000000275a RSI: 0000000020000080 RDI: ffffffffffffff9c RBP: 00007f917eec847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f917ef9bf80 R15: 00007ffef696d608