------------[ cut here ]------------ kernel BUG at fs/hfsplus/bnode.c:631! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 10246 Comm: syz.1.1359 Not tainted 5.15.179-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:hfsplus_bnode_put+0x507/0x510 fs/hfsplus/bnode.c:631 Code: 88 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 73 7b 88 ff e9 e6 fe ff ff e8 29 89 3e ff <0f> 0b e8 22 89 3e ff 0f 0b 55 41 57 41 56 41 54 53 41 89 f7 49 89 RSP: 0018:ffffc9000487f310 EFLAGS: 00010287 RAX: ffffffff82421397 RBX: ffff8880693f5880 RCX: 0000000000080000 RDX: ffffc9000daf9000 RSI: 00000000000190ec RDI: 00000000000190ed RBP: 0000000000000000 R08: ffffffff82420f0c R09: ffffed100d27eb11 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880693f5800 R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff888079ca8000 FS: 00007f057f1556c0(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3ed59b8f98 CR3: 00000000747c9000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hfsplus_bmap_alloc+0x632/0x720 fs/hfsplus/btree.c:413 hfs_bnode_split+0xda/0x1100 fs/hfsplus/brec.c:245 hfsplus_brec_insert+0x3a2/0xdd0 fs/hfsplus/brec.c:100 hfsplus_rename_cat+0x652/0x1090 fs/hfsplus/catalog.c:491 hfsplus_link+0x3a9/0x840 fs/hfsplus/dir.c:323 vfs_link+0x65e/0x810 fs/namei.c:4557 do_linkat+0x5c8/0x9d0 fs/namei.c:4628 __do_sys_link fs/namei.c:4662 [inline] __se_sys_link fs/namei.c:4660 [inline] __x64_sys_link+0x82/0x90 fs/namei.c:4660 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: 0033:0x7f058130d169 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:00007f057f155038 EFLAGS: 00000246 ORIG_RAX: 0000000000000056 RAX: ffffffffffffffda RBX: 00007f0581526080 RCX: 00007f058130d169 RDX: 0000000000000000 RSI: 00002000000007c0 RDI: 0000200000001240 RBP: 00007f058138e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f0581526080 R15: 00007fff751b1618 Modules linked in: ---[ end trace 0bb9378d023442b8 ]--- RIP: 0010:hfsplus_bnode_put+0x507/0x510 fs/hfsplus/bnode.c:631 Code: 88 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 73 7b 88 ff e9 e6 fe ff ff e8 29 89 3e ff <0f> 0b e8 22 89 3e ff 0f 0b 55 41 57 41 56 41 54 53 41 89 f7 49 89 RSP: 0018:ffffc9000487f310 EFLAGS: 00010287 RAX: ffffffff82421397 RBX: ffff8880693f5880 RCX: 0000000000080000 RDX: ffffc9000daf9000 RSI: 00000000000190ec RDI: 00000000000190ed RBP: 0000000000000000 R08: ffffffff82420f0c R09: ffffed100d27eb11 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8880693f5800 R13: dffffc0000000000 R14: dffffc0000000000 R15: ffff888079ca8000 FS: 00007f057f1556c0(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f1489688178 CR3: 00000000747c9000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400