loop4: detected capacity change from 0 to 1024 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 8779 at fs/hfsplus/extents.c:346 hfsplus_free_extents+0x703/0xae0 Modules linked in: CPU: 0 PID: 8779 Comm: syz-executor.4 Not tainted 6.5.0-rc5-syzkaller-00353-gae545c3283dc #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:hfsplus_free_extents+0x703/0xae0 fs/hfsplus/extents.c:346 Code: 0f cb 44 89 ef 89 de e8 8b e8 29 ff 41 39 dd 75 20 49 83 c7 28 e8 fd e6 29 ff 41 bc 05 00 00 00 e9 e2 f9 ff ff e8 ed e6 29 ff <0f> 0b e9 83 f9 ff ff 44 89 ef 89 de e8 5c e8 29 ff 41 29 dd 73 0a RSP: 0018:ffffc9000bc778d0 EFLAGS: 00010293 RAX: ffffffff8261d143 RBX: ffff888076cb9820 RCX: ffff888028485940 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff888066310048 RBP: ffff88802afe0000 R08: ffff88806631004f R09: 1ffff1100cc62009 R10: dffffc0000000000 R11: ffffed100cc6200a R12: dffffc0000000000 R13: 00000000000000d4 R14: 000000000000002a R15: ffff888064df8718 FS: 00007fd56e0f66c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020014000 CR3: 000000001e9dd000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hfsplus_file_truncate+0x71d/0xb40 fs/hfsplus/extents.c:606 hfsplus_write_begin+0xc6/0xd0 fs/hfsplus/inode.c:56 generic_perform_write+0x31b/0x630 mm/filemap.c:3923 generic_file_write_iter+0xaf/0x310 mm/filemap.c:4044 call_write_iter include/linux/fs.h:1877 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x782/0xaf0 fs/read_write.c:584 ksys_write+0x1a0/0x2c0 fs/read_write.c:637 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: 0033:0x7fd56d47cae9 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:00007fd56e0f60c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fd56d59bf80 RCX: 00007fd56d47cae9 RDX: 0000000008800000 RSI: 0000000020000380 RDI: 0000000000000005 RBP: 00007fd56d4c847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fd56d59bf80 R15: 00007fff422b2478