loop3: detected capacity change from 0 to 1024 hfsplus: new node 0 already hashed? ------------[ cut here ]------------ WARNING: CPU: 1 PID: 17094 at fs/hfsplus/bnode.c:573 hfsplus_bnode_create+0x147/0x4e0 fs/hfsplus/bnode.c:573 Modules linked in: CPU: 1 PID: 17094 Comm: syz-executor.3 Not tainted 6.8.0-rc4-syzkaller-00180-g4f5e5092fdbf #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 RIP: 0010:hfsplus_bnode_create+0x147/0x4e0 fs/hfsplus/bnode.c:573 Code: 44 89 fe e8 4b 66 25 ff 45 39 fc 75 9e e8 21 6c 25 ff 4c 89 f7 e8 79 6f 57 08 44 89 e6 48 c7 c7 40 3d 08 8b e8 da 7e 07 ff 90 <0f> 0b 90 e8 01 6c 25 ff 48 89 d8 48 83 c4 18 5b 5d 41 5c 41 5d 41 RSP: 0018:ffffc900278d7170 EFLAGS: 00010286 RAX: 0000000000000023 RBX: ffff888051692330 RCX: ffffc900076e1000 RDX: 0000000000000000 RSI: ffffffff816e9616 RDI: 0000000000000005 RBP: ffff888051c5e000 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000080000000 R11: 0000000000000003 R12: 0000000000000000 R13: dffffc0000000000 R14: ffff888051c5e0e0 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff88802c300000(0063) knlGS:00000000f5f43b40 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f5f44000 CR3: 000000005175e000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: hfsplus_bmap_alloc+0x72c/0x830 fs/hfsplus/btree.c:415 hfs_bnode_split+0xe5/0xdd0 fs/hfsplus/brec.c:245 hfsplus_brec_insert+0x2f7/0xc50 fs/hfsplus/brec.c:100 hfsplus_create_cat+0x511/0x10e0 fs/hfsplus/catalog.c:292 hfsplus_fill_super+0x16ce/0x1bc0 fs/hfsplus/super.c:560 mount_bdev+0x1e3/0x2d0 fs/super.c:1663 legacy_get_tree+0x109/0x220 fs/fs_context.c:662 vfs_get_tree+0x8f/0x380 fs/super.c:1784 do_new_mount fs/namespace.c:3352 [inline] path_mount+0x6e2/0x1f10 fs/namespace.c:3679 do_mount fs/namespace.c:3692 [inline] __do_sys_mount fs/namespace.c:3898 [inline] __se_sys_mount fs/namespace.c:3875 [inline] __ia32_sys_mount+0x295/0x320 fs/namespace.c:3875 do_syscall_32_irqs_on arch/x86/entry/common.c:165 [inline] __do_fast_syscall_32+0x7c/0x120 arch/x86/entry/common.c:321 do_fast_syscall_32+0x33/0x80 arch/x86/entry/common.c:346 entry_SYSENTER_compat_after_hwframe+0x7c/0x86 RIP: 0023:0xf7349579 Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f5f43400 EFLAGS: 00000292 ORIG_RAX: 0000000000000015 RAX: ffffffffffffffda RBX: 00000000f5f43460 RCX: 0000000020000040 RDX: 0000000020000000 RSI: 00000000022000d0 RDI: 00000000f5f434a0 RBP: 00000000f5f43460 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 10 06 adc %al,(%rsi) 2: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 6: 10 07 adc %al,(%rdi) 8: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi c: 10 08 adc %cl,(%rax) e: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1e: 00 51 52 add %dl,0x52(%rcx) 21: 55 push %rbp 22: 89 e5 mov %esp,%ebp 24: 0f 34 sysenter 26: cd 80 int $0x80 * 28: 5d pop %rbp <-- trapping instruction 29: 5a pop %rdx 2a: 59 pop %rcx 2b: c3 ret 2c: 90 nop 2d: 90 nop 2e: 90 nop 2f: 90 nop 30: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 37: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi