------------[ cut here ]------------ WARNING: CPU: 1 PID: 7975 at fs/hfsplus/extents.c:346 hfsplus_free_extents+0x703/0xae0 Modules linked in: CPU: 1 PID: 7975 Comm: syz.4.1258 Not tainted 5.15.178-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:hfsplus_free_extents+0x703/0xae0 fs/hfsplus/extents.c:346 Code: 0f cb 44 89 ef 89 de e8 eb bd 3f ff 41 39 dd 75 20 49 83 c7 28 e8 7d bc 3f ff 41 bc 05 00 00 00 e9 e2 f9 ff ff e8 6d bc 3f ff <0f> 0b e9 83 f9 ff ff 44 89 ef 89 de e8 bc bd 3f ff 41 29 dd 73 0a RSP: 0018:ffffc9000141fad0 EFLAGS: 00010287 RAX: ffffffff8240c923 RBX: ffff888079141020 RCX: 0000000000080000 RDX: ffffc9000c871000 RSI: 000000000001b66e RDI: 000000000001b66f RBP: ffff888078098000 R08: dffffc0000000000 R09: ffffed100f01380a R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 000000000000000c R14: 0000000000000006 R15: ffff888024869498 FS: 00007f3d8e7fc6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f2c69ecf2d8 CR3: 000000007bbb7000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hfsplus_file_truncate+0x5e9/0xc70 fs/hfsplus/extents.c:608 hfsplus_setattr+0x1b9/0x280 fs/hfsplus/inode.c:267 notify_change+0xc6d/0xf50 fs/attr.c:505 do_truncate+0x21c/0x300 fs/open.c:65 do_sys_ftruncate+0x2eb/0x390 fs/open.c:193 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: 0033:0x7f3d90992de9 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:00007f3d8e7fc038 EFLAGS: 00000246 ORIG_RAX: 000000000000004d RAX: ffffffffffffffda RBX: 00007f3d90babfa0 RCX: 00007f3d90992de9 RDX: 0000000000000000 RSI: 000000000000c17a RDI: 0000000000000004 RBP: 00007f3d90a142a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f3d90babfa0 R15: 00007ffd40f09ae8