hfs: new node 0 already hashed?
------------[ cut here ]------------
WARNING: CPU: 0 PID: 5418 at fs/hfs/bnode.c:432 hfs_bnode_create+0x428/0x4ec fs/hfs/bnode.c:431
Modules linked in:
CPU: 0 PID: 5418 Comm: syz-executor.5 Not tainted 5.15.107-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : hfs_bnode_create+0x428/0x4ec fs/hfs/bnode.c:431
lr : hfs_bnode_create+0x428/0x4ec fs/hfs/bnode.c:431
sp : ffff80001d297070
x29: ffff80001d297080 x28: ffff00012a37f000 x27: 00000000000000f8
x26: ffff00012a37f0f8 x25: dfff800000000000 x24: 1ffff00003a52e24
x23: 0000000000000000 x22: ffff0000d7fd80e0 x21: ffff0000d7fd8000
x20: 0000000000000000 x19: ffff0000c8b8f800 x18: 0000000000000001
x17: ff80800008333ebc x16: ffff800011943d44 x15: ffff800008333ebc
x14: 00000000ffffffff x13: ffffffffffffffff x12: 0000000000040000
x11: 000000000000da24 x10: ffff800022d3b000 x9 : 7852a5492ca0a200
x8 : 7852a5492ca0a200 x7 : 0000000000000001 x6 : 0000000000000001
x5 : ffff80001d2967d8 x4 : ffff8000149af940 x3 : ffff80000854a4a4
x2 : 0000000000000001 x1 : 0000000100000000 x0 : 000000000000001f
Call trace:
 hfs_bnode_create+0x428/0x4ec fs/hfs/bnode.c:431
 hfs_bmap_alloc+0x5c0/0x6b4 fs/hfs/btree.c:288
 hfs_bnode_split+0xcc/0xd88 fs/hfsplus/brec.c:245
 hfs_brec_insert+0x2bc/0x97c fs/hfs/brec.c:102
 hfs_cat_create+0x340/0x844 fs/hfs/catalog.c:118
 hfs_create+0x70/0xe4 fs/hfs/dir.c:202
 lookup_open fs/namei.c:3392 [inline]
 open_last_lookups fs/namei.c:3462 [inline]
 path_openat+0xec0/0x26f0 fs/namei.c:3669
 do_filp_open+0x1a8/0x3b4 fs/namei.c:3699
 do_sys_openat2+0x128/0x3d8 fs/open.c:1211
 do_sys_open fs/open.c:1227 [inline]
 __do_sys_openat fs/open.c:1243 [inline]
 __se_sys_openat fs/open.c:1238 [inline]
 __arm64_sys_openat+0x1f0/0x240 fs/open.c:1238
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
irq event stamp: 2106
hardirqs last  enabled at (2105): [<ffff800008329afc>] __up_console_sem+0xb4/0x100 kernel/printk/printk.c:257
hardirqs last disabled at (2106): [<ffff80001193f3d8>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:387
softirqs last  enabled at (2032): [<ffff800008030068>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:31
softirqs last disabled at (2030): [<ffff800008030034>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:18
---[ end trace 41ee6e977750b12b ]---
------------[ cut here ]------------
kernel BUG at fs/hfs/bnode.c:479!
Internal error: Oops - BUG: 0 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 5418 Comm: syz-executor.5 Tainted: G        W         5.15.107-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : hfs_bnode_put+0x414/0x420 fs/hfs/bnode.c:479
lr : hfs_bnode_put+0x414/0x420 fs/hfs/bnode.c:479
sp : ffff80001d297310
x29: ffff80001d297310 x28: 0000000000000036 x27: ffff0000c8b8f800
x26: ffff0000c8b8f800 x25: ffff0000d7fd8000 x24: 1fffe00019171f00
x23: dfff800000000000 x22: ffff0000d7fd8000 x21: ffff0000c8b8f880

x20: 0000000000000000 x19: ffff0000c8b8f800 x18: 0000000000000000
x17: ff80800008fc6620
 x16: 0000000000000002 x15: ffff800008fc6620
x14: 0000000000000000 x13: ffffffffffffffff x12: 0000000000040000
x11: 00000000000240ca x10: ffff800022d3b000 x9 : ffff800008fc4f2c
x8 : 00000000000240cb x7 : 0000000000000000 x6 : 0000100000000025
x5 : ffff0000cf219f4d x4 : ffff00012a37f688 x3 : ffff800008fc4b70
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 hfs_bnode_put+0x414/0x420 fs/hfs/bnode.c:479
 hfs_brec_insert+0x648/0x97c fs/hfs/brec.c:162
 hfs_cat_create+0x340/0x844 fs/hfs/catalog.c:118
 hfs_create+0x70/0xe4 fs/hfs/dir.c:202
 lookup_open fs/namei.c:3392 [inline]
 open_last_lookups fs/namei.c:3462 [inline]
 path_openat+0xec0/0x26f0 fs/namei.c:3669
 do_filp_open+0x1a8/0x3b4 fs/namei.c:3699
 do_sys_openat2+0x128/0x3d8 fs/open.c:1211
 do_sys_open fs/open.c:1227 [inline]
 __do_sys_openat fs/open.c:1243 [inline]
 __se_sys_openat fs/open.c:1238 [inline]
 __arm64_sys_openat+0x1f0/0x240 fs/open.c:1238
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:596
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:614
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: aa1403e0 97e40449 17ffffa5 97d3eac0 (d4210000) 
---[ end trace 41ee6e977750b12c ]---