syzbot

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kernel BUG at fs/hfsplus/bnode.c:618!
Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 6302 Comm: syz-executor385 Not tainted 6.12.0-rc5-syzkaller-00308-g3e5e6c9900c3 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:hfsplus_bnode_put+0x510/0x520 fs/hfsplus/bnode.c:618
Code: ff e9 bf fe ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c f3 fe ff ff 4c 89 ef e8 bb df 77 ff e9 e6 fe ff ff e8 d1 44 11 ff 90 <0f> 0b e8 c9 44 11 ff 90 0f 0b 66 0f 1f 44 00 00 90 90 90 90 90 90
RSP: 0018:ffffc900046d7090 EFLAGS: 00010293
RAX: ffffffff828394ef RBX: ffff888027efe580 RCX: ffff88802afd1e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff82839060 R09: 1ffff11004fdfcb0
R10: dffffc0000000000 R11: ffffed1004fdfcb1 R12: ffff888027efe500
R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff888072192000
FS:  0000555557df1380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555557e02738 CR3: 0000000011bf2000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 hfsplus_bmap_alloc+0x590/0x640 fs/hfsplus/btree.c:414
 hfs_bnode_split+0xde/0x1110 fs/hfsplus/brec.c:245
 hfsplus_brec_insert+0x3a6/0xde0 fs/hfsplus/brec.c:100
 hfsplus_create_cat+0xef5/0x1b70 fs/hfsplus/catalog.c:308
 hfsplus_mknod+0x16a/0x2a0 fs/hfsplus/dir.c:494
 lookup_open fs/namei.c:3595 [inline]
 open_last_lookups fs/namei.c:3694 [inline]
 path_openat+0x1c03/0x3590 fs/namei.c:3930
 do_filp_open+0x235/0x490 fs/namei.c:3960
 do_sys_openat2+0x13e/0x1d0 fs/open.c:1415
 do_sys_open fs/open.c:1430 [inline]
 __do_sys_creat fs/open.c:1508 [inline]
 __se_sys_creat fs/open.c:1502 [inline]
 __x64_sys_creat+0x123/0x170 fs/open.c:1502
 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: 0033:0x7fd6e1cea259
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc6afd22e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd6e1cea259
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000300
RBP: 00000000ffffffff R08: 0000000000000800 R09: 0000000000000800
R10: 0000000000000800 R11: 0000000000000246 R12: 00007ffc6afd2330
R13: 00007ffc6afd2370 R14: 0000000000080000 R15: 0000000000000003
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:hfsplus_bnode_put+0x510/0x520 fs/hfsplus/bnode.c:618
Code: ff e9 bf fe ff ff 44 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c f3 fe ff ff 4c 89 ef e8 bb df 77 ff e9 e6 fe ff ff e8 d1 44 11 ff 90 <0f> 0b e8 c9 44 11 ff 90 0f 0b 66 0f 1f 44 00 00 90 90 90 90 90 90
RSP: 0018:ffffc900046d7090 EFLAGS: 00010293
RAX: ffffffff828394ef RBX: ffff888027efe580 RCX: ffff88802afd1e00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff82839060 R09: 1ffff11004fdfcb0
R10: dffffc0000000000 R11: ffffed1004fdfcb1 R12: ffff888027efe500
R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff888072192000
FS:  0000555557df1380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000555557e02738 CR3: 0000000011bf2000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400