------------[ cut here ]------------ kernel BUG at fs/hfsplus/bnode.c:624! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 4928 Comm: syz.2.184 Not tainted 6.1.141-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:hfsplus_bnode_put+0x537/0x540 fs/hfsplus/bnode.c:624 Code: 97 8b ff e9 b2 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c f0 fe ff ff 48 89 df e8 b3 96 8b ff e9 e3 fe ff ff e8 f9 1d 3a ff <0f> 0b e8 f2 1d 3a ff 0f 0b 55 41 57 41 56 41 54 53 89 f3 49 89 fe RSP: 0018:ffffc900037cf568 EFLAGS: 00010283 RAX: ffffffff8246b877 RBX: ffff88807706e700 RCX: 0000000000080000 RDX: ffffc9000ea52000 RSI: 0000000000004c0a RDI: 0000000000004c0b RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed100ee0dcf1 R10: ffffed100ee0dcf1 R11: 1ffff1100ee0dcf0 R12: ffff88807706e780 R13: 1ffff920006f9ec0 R14: dffffc0000000000 R15: ffff8880772be000 FS: 00007f1089f6e6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3a25f7e2d8 CR3: 00000000249e0000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hfsplus_bmap_alloc+0x521/0x5b0 fs/hfsplus/btree.c:414 hfs_bnode_split+0xc9/0xee0 fs/hfsplus/brec.c:245 hfsplus_brec_insert+0x38b/0xcc0 fs/hfsplus/brec.c:100 hfsplus_create_cat+0x3b0/0x1020 fs/hfsplus/catalog.c:292 hfsplus_mknod+0x166/0x280 fs/hfsplus/dir.c:494 vfs_mkdir+0x387/0x570 fs/namei.c:4106 do_mkdirat+0x1d0/0x430 fs/namei.c:4131 __do_sys_mkdirat fs/namei.c:4146 [inline] __se_sys_mkdirat fs/namei.c:4144 [inline] __x64_sys_mkdirat+0x85/0x90 fs/namei.c:4144 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f108918e929 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:00007f1089f6e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007f10893b6080 RCX: 00007f108918e929 RDX: 0000000000000000 RSI: 00002000000005c0 RDI: ffffffffffffff9c RBP: 00007f1089210b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f10893b6080 R15: 00007ffe50e280a8 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:hfsplus_bnode_put+0x537/0x540 fs/hfsplus/bnode.c:624 Code: 97 8b ff e9 b2 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c f0 fe ff ff 48 89 df e8 b3 96 8b ff e9 e3 fe ff ff e8 f9 1d 3a ff <0f> 0b e8 f2 1d 3a ff 0f 0b 55 41 57 41 56 41 54 53 89 f3 49 89 fe RSP: 0018:ffffc900037cf568 EFLAGS: 00010283 RAX: ffffffff8246b877 RBX: ffff88807706e700 RCX: 0000000000080000 RDX: ffffc9000ea52000 RSI: 0000000000004c0a RDI: 0000000000004c0b RBP: 0000000000000000 R08: dffffc0000000000 R09: ffffed100ee0dcf1 R10: ffffed100ee0dcf1 R11: 1ffff1100ee0dcf0 R12: ffff88807706e780 R13: 1ffff920006f9ec0 R14: dffffc0000000000 R15: ffff8880772be000 FS: 00007f1089f6e6c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2d90aff8 CR3: 00000000249e0000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400