------------[ cut here ]------------ VFS: brelse: Trying to free free buffer WARNING: CPU: 1 PID: 7953 at fs/buffer.c:1229 __brelse fs/buffer.c:1229 [inline] WARNING: CPU: 1 PID: 7953 at fs/buffer.c:1229 brelse include/linux/buffer_head.h:324 [inline] WARNING: CPU: 1 PID: 7953 at fs/buffer.c:1229 bh_lru_install fs/buffer.c:1346 [inline] WARNING: CPU: 1 PID: 7953 at fs/buffer.c:1229 __find_get_block+0x109d/0x1150 fs/buffer.c:1400 Modules linked in: CPU: 1 UID: 0 PID: 7953 Comm: syz.0.273 Not tainted 6.13.0-rc5-syzkaller-00004-gccb98ccef0e5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:__brelse fs/buffer.c:1229 [inline] RIP: 0010:brelse include/linux/buffer_head.h:324 [inline] RIP: 0010:bh_lru_install fs/buffer.c:1346 [inline] RIP: 0010:__find_get_block+0x109d/0x1150 fs/buffer.c:1400 Code: d7 3c 9a e8 05 60 dc ff e9 1b f7 ff ff e8 6b 83 78 ff e9 87 f7 ff ff e8 61 83 78 ff 90 48 c7 c7 e0 f0 18 8c e8 d4 26 39 ff 90 <0f> 0b 90 90 e9 6b f7 ff ff e8 45 83 78 ff 48 c7 c7 c0 c8 a8 8e 4c RSP: 0018:ffffc90002e37540 EFLAGS: 00010246 RAX: c9fc2ff4068e3400 RBX: 0000000000000000 RCX: 0000000000080000 RDX: ffffc90004e53000 RSI: 000000000000441f RDI: 0000000000004420 RBP: ffffc90002e37678 R08: ffffffff816019a2 R09: 1ffff110170e519a R10: dffffc0000000000 R11: ffffed10170e519b R12: ffff88807878dbc8 R13: ffff8880b87398b0 R14: ffff88805a743d98 R15: ffff8880579bd888 FS: 00007f0d564686c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f0d56446f98 CR3: 000000005cef4000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: bdev_getblk+0x33/0x670 fs/buffer.c:1425 __bread_gfp+0x86/0x400 fs/buffer.c:1485 sb_bread_unmovable include/linux/buffer_head.h:352 [inline] ntfs_bread fs/ntfs3/fsntfs.c:1025 [inline] ntfs_read_run_nb+0x59d/0xf70 fs/ntfs3/fsntfs.c:1245 ntfs_read_bh+0x40/0x780 fs/ntfs3/fsntfs.c:1313 indx_read+0x2ea/0xc50 fs/ntfs3/index.c:1067 indx_find+0x47a/0xbf0 fs/ntfs3/index.c:1181 dir_search_u+0x1b7/0x3a0 fs/ntfs3/dir.c:254 ntfs_lookup+0x106/0x1f0 fs/ntfs3/namei.c:85 lookup_one_qstr_excl+0x11f/0x260 fs/namei.c:1692 filename_create+0x297/0x540 fs/namei.c:4081 do_symlinkat+0xf9/0x3a0 fs/namei.c:4688 __do_sys_symlinkat fs/namei.c:4711 [inline] __se_sys_symlinkat fs/namei.c:4708 [inline] __x64_sys_symlinkat+0x95/0xb0 fs/namei.c:4708 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: 0033:0x7f0d55585d29 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:00007f0d56468038 EFLAGS: 00000246 ORIG_RAX: 000000000000010a RAX: ffffffffffffffda RBX: 00007f0d55775fa0 RCX: 00007f0d55585d29 RDX: 0000000020000100 RSI: ffffffffffffff9c RDI: 0000000020000140 RBP: 00007f0d55601b08 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f0d55775fa0 R15: 00007ffdd1dcdd78