RBP: 00007f07009871d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000007400 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffeadeccc3f R14: 00007f0700987300 R15: 0000000000022000
hfs: new node 0 already hashed?
------------[ cut here ]------------
WARNING: CPU: 1 PID: 29761 at fs/hfs/bnode.c:431 hfs_bnode_create.cold+0x27/0x4e fs/hfs/bnode.c:431
Kernel panic - not syncing: panic_on_warn set ...

CPU: 1 PID: 29761 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 panic+0x26a/0x50e kernel/panic.c:186
 __warn.cold+0x20/0x5a kernel/panic.c:541
 report_bug+0x262/0x2b0 lib/bug.c:183
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038
RIP: 0010:hfs_bnode_create.cold+0x27/0x4e fs/hfs/bnode.c:431
Code: 14 07 fa e8 e8 39 6c f9 4c 89 ef e8 70 04 23 00 89 ee 48 c7 c7 e0 9c 7d 88 e8 3d 6b fd ff 48 c7 c7 40 9d 7d 88 e8 31 6b fd ff <0f> 0b e9 b1 1c 07 fa e8 ba 39 6c f9 89 ee 48 c7 c7 40 9a 7d 88 e8
RSP: 0018:ffff888099016f50 EFLAGS: 00010286
RAX: 0000000000000024 RBX: dffffc0000000000 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff814dff01 RDI: ffffed1013202ddc
RBP: 0000000000000000 R08: 0000000000000024 R09: 0000000000000000
R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880afd4b100
R13: ffff88809f774250 R14: ffff88809f774180 R15: 0000000000000000
 hfs_bmap_alloc+0x4d6/0x5e0 fs/hfs/btree.c:288
 hfs_btree_inc_height.isra.0+0xe6/0x950 fs/hfs/brec.c:471
 hfs_brec_insert+0x84d/0xbb0 fs/hfs/brec.c:148
 __hfs_ext_write_extent+0x3ec/0x510 fs/hfs/extent.c:124
 __hfs_ext_cache_extent fs/hfs/extent.c:174 [inline]
 hfs_ext_read_extent+0x810/0xa20 fs/hfs/extent.c:202
 hfs_extend_file+0x4a0/0xac0 fs/hfs/extent.c:401
 hfs_get_block+0x17b/0x7e0 fs/hfs/extent.c:353
 __block_write_begin_int+0x46c/0x17b0 fs/buffer.c:1978
 __block_write_begin fs/buffer.c:2028 [inline]
 block_write_begin+0x58/0x2e0 fs/buffer.c:2087
 cont_write_begin+0x55a/0x820 fs/buffer.c:2440
 hfs_write_begin+0x87/0x150 fs/hfs/inode.c:58
 cont_expand_zero fs/buffer.c:2367 [inline]
 cont_write_begin+0x2ee/0x820 fs/buffer.c:2430
 hfs_write_begin+0x87/0x150 fs/hfs/inode.c:58
 generic_perform_write+0x1f8/0x4d0 mm/filemap.c:3170
 __generic_file_write_iter+0x24b/0x610 mm/filemap.c:3295
 generic_file_write_iter+0x3f8/0x730 mm/filemap.c:3323
 call_write_iter include/linux/fs.h:1821 [inline]
 do_iter_readv_writev+0x668/0x790 fs/read_write.c:681
 do_iter_write+0x182/0x5d0 fs/read_write.c:960
 vfs_writev+0x153/0x2e0 fs/read_write.c:1005
 do_pwritev+0x1b6/0x270 fs/read_write.c:1094
 __do_sys_pwritev2 fs/read_write.c:1153 [inline]
 __se_sys_pwritev2 fs/read_write.c:1144 [inline]
 __x64_sys_pwritev2+0xeb/0x150 fs/read_write.c:1144
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f07024150f9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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:00007f0700987168 EFLAGS: 00000246 ORIG_RAX: 0000000000000148
RAX: ffffffffffffffda RBX: 00007f0702534f80 RCX: 00007f07024150f9
RDX: 0000000000000001 RSI: 0000000020000680 RDI: 0000000000000004
RBP: 00007f07009871d0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000007400 R11: 0000000000000246 R12: 0000000000000001
R13: 00007ffeadeccc3f R14: 00007f0700987300 R15: 0000000000022000
Kernel Offset: disabled
Rebooting in 86400 seconds..