syzbot

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WARNING: CPU: 0 PID: 4167 at fs/hfsplus/extents.c:346 hfsplus_free_extents+0x703/0xae0
Modules linked in:

CPU: 0 PID: 4167 Comm: syz-executor417 Not tainted 5.15.175-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:hfsplus_free_extents+0x703/0xae0 fs/hfsplus/extents.c:346
Code: 0f cb 44 89 ef 89 de e8 1b c9 3f ff 41 39 dd 75 20 49 83 c7 28 e8 ad c7 3f ff 41 bc 05 00 00 00 e9 e2 f9 ff ff e8 9d c7 3f ff <0f> 0b e9 83 f9 ff ff 44 89 ef 89 de e8 ec c8 3f ff 41 29 dd 73 0a
RSP: 0018:ffffc90002daf750 EFLAGS: 00010293

RAX: ffffffff8240bd43 RBX: ffff88802ba22020 RCX: ffff888025f65940
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffff88802ae7a048
RBP: ffff88802ae4c000 R08: dffffc0000000000 R09: ffffed10055cf40a
R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000
R13: 000000000000014e R14: 000000000000014e R15: ffff888022368d98
FS:  00007fa5763486c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa576409110 CR3: 0000000072e93000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 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: 0033:0x7fa5763cd949
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 18 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:00007fa576348168 EFLAGS: 00000246 ORIG_RAX: 000000000000004c
RAX: ffffffffffffffda RBX: 00007fa576454628 RCX: 00007fa5763cd949
RDX: 00007fa5763a70a6 RSI: 0000000000100004 RDI: 0000000020000000
RBP: 00007fa576454620 R08: 00007ffd0e1601c7 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa57645462c
R13: 000000000000006e R14: 00007ffd0e1600e0 R15: 00007ffd0e1601c8
 </TASK>