WARNING: CPU: 0 PID: 5073 at fs/hfsplus/extents.c:346 hfsplus_free_extents+0x703/0xae0 fs/hfsplus/extents.c:-1 Modules linked in: CPU: 0 PID: 5073 Comm: syz.0.16 Not tainted 5.15.179-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:hfsplus_free_extents+0x703/0xae0 fs/hfsplus/extents.c:346 Code: 0f cb 44 89 ef 89 de e8 9b b2 3f ff 41 39 dd 75 20 49 83 c7 28 e8 2d b1 3f ff 41 bc 05 00 00 00 e9 e2 f9 ff ff e8 1d b1 3f ff <0f> 0b e9 83 f9 ff ff 44 89 ef 89 de e8 6c b2 3f ff 41 29 dd 73 0a RSP: 0018:ffffc900031af750 EFLAGS: 00010293 RAX: ffffffff8240eba3 RBX: ffff88807de33020 RCX: ffff888027890000 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888079474048 RBP: ffff888020264000 R08: dffffc0000000000 R09: ffffed100f28e80a R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 000000000000014e R14: 000000000000014e R15: ffff88807e1c86d8 FS: 00007fcd614ad6c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fcd614add58 CR3: 00000000702d8000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hfsplus_file_truncate+0x871/0xc70 fs/hfsplus/extents.c:592 hfsplus_write_begin+0xce/0xd0 fs/hfsplus/inode.c:57 cont_expand_zero fs/buffer.c:2398 [inline] cont_write_begin+0x2ad/0x840 fs/buffer.c:2461 hfsplus_write_begin+0x92/0xd0 fs/hfsplus/inode.c:53 generic_cont_expand_simple+0x144/0x230 fs/buffer.c:2362 hfsplus_setattr+0x169/0x280 fs/hfsplus/inode.c:261 notify_change+0xc6d/0xf50 fs/attr.c:505 do_truncate+0x21c/0x300 fs/open.c:65 vfs_truncate+0x2dd/0x3a0 fs/open.c:111 do_sys_truncate+0xda/0x190 fs/open.c:134 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fcd62276d29 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:00007fcd614ad038 EFLAGS: 00000246 ORIG_RAX: 000000000000004c RAX: ffffffffffffffda RBX: 00007fcd62467160 RCX: 00007fcd62276d29 RDX: 0000000000000000 RSI: 0000000000100004 RDI: 0000000020000000 RBP: 00007fcd622f2b08 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fcd62467160 R15: 00007ffc90684408