------------[ cut here ]------------ kernel BUG at fs/hfsplus/bnode.c:618! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 4927 Comm: syz-executor.4 Not tainted 6.1.77-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 RIP: 0010:hfsplus_bnode_put+0x6b3/0x6d0 fs/hfsplus/bnode.c:618 Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 6c fd ff ff 48 89 df e8 ce 49 82 ff e9 5f fd ff ff e8 94 dc 2a ff 0f 0b e8 8d dc 2a ff <0f> 0b e8 86 dc 2a ff 0f 0b e8 7f dc 2a ff 0f 0b 66 2e 0f 1f 84 00 RSP: 0018:ffffc900031cf250 EFLAGS: 00010246 RAX: ffffffff825f9e93 RBX: ffff888017659380 RCX: 0000000000040000 RDX: ffffc9000bdba000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: 0000000000000000 R08: ffffffff825f985c R09: ffffed1002ecb271 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888017659300 R13: dffffc0000000000 R14: ffff888039ed0000 R15: ffff888017659300 FS: 00007f0e106c46c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f9cd13a8000 CR3: 00000000359e7000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000006 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: hfsplus_bnode_find+0x3e4/0x10b0 fs/hfsplus/bnode.c:548 hfsplus_bmap_alloc+0xc5/0x630 fs/hfsplus/btree.c:390 hfs_btree_inc_height+0x11a/0xdb0 fs/hfsplus/brec.c:475 hfsplus_brec_insert+0x162/0xdd0 fs/hfsplus/brec.c:75 __hfsplus_ext_write_extent+0x36b/0x5b0 fs/hfsplus/extents.c:107 hfsplus_ext_write_extent_locked fs/hfsplus/extents.c:139 [inline] hfsplus_ext_write_extent+0x166/0x1f0 fs/hfsplus/extents.c:150 hfsplus_write_inode+0x1e/0x5c0 fs/hfsplus/super.c:154 write_inode fs/fs-writeback.c:1460 [inline] __writeback_single_inode+0x67d/0x11e0 fs/fs-writeback.c:1677 writeback_single_inode+0x22c/0x960 fs/fs-writeback.c:1733 sync_inode_metadata+0xc8/0x130 fs/fs-writeback.c:2789 hfsplus_file_fsync+0xf4/0x4c0 fs/hfsplus/inode.c:321 generic_write_sync include/linux/fs.h:2941 [inline] generic_file_write_iter+0x29d/0x310 mm/filemap.c:3981 call_write_iter include/linux/fs.h:2249 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x7ae/0xba0 fs/read_write.c:584 ksys_write+0x19c/0x2c0 fs/read_write.c:637 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f0e0f87dda9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f0e106c40c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f0e0f9abf80 RCX: 00007f0e0f87dda9 RDX: 000000000000fecc RSI: 0000000020000100 RDI: 0000000000000004 RBP: 00007f0e0f8ca47a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f0e0f9abf80 R15: 00007fff2d650f18 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:hfsplus_bnode_put+0x6b3/0x6d0 fs/hfsplus/bnode.c:618 Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 6c fd ff ff 48 89 df e8 ce 49 82 ff e9 5f fd ff ff e8 94 dc 2a ff 0f 0b e8 8d dc 2a ff <0f> 0b e8 86 dc 2a ff 0f 0b e8 7f dc 2a ff 0f 0b 66 2e 0f 1f 84 00 RSP: 0018:ffffc900031cf250 EFLAGS: 00010246 RAX: ffffffff825f9e93 RBX: ffff888017659380 RCX: 0000000000040000 RDX: ffffc9000bdba000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: 0000000000000000 R08: ffffffff825f985c R09: ffffed1002ecb271 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff888017659300 R13: dffffc0000000000 R14: ffff888039ed0000 R15: ffff888017659300 FS: 00007f0e106c46c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f49523ff988 CR3: 00000000359e7000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000006 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400