Hello, syzbot found the following issue on: HEAD commit: d9fc1511728c Merge tag 'net-6.2-rc4' of git://git.kernel.o.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=10d0e102480000 kernel config: https://syzkaller.appspot.com/x/.config?x=ebc110f9741920ed dashboard link: https://syzkaller.appspot.com/bug?extid=005d2a9ecd9fbf525f6a compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/b6279846a2e7/disk-d9fc1511.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/8fb1b3c8ac10/vmlinux-d9fc1511.xz kernel image: https://storage.googleapis.com/syzbot-assets/c6f486ee1f67/bzImage-d9fc1511.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+005d2a9ecd9fbf525f6a@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ kernel BUG at fs/hfsplus/bnode.c:618! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 15519 Comm: syz-executor.3 Not tainted 6.2.0-rc3-syzkaller-00165-gd9fc1511728c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:hfsplus_bnode_put+0x637/0x640 fs/hfsplus/bnode.c:618 Code: 00 81 ff e9 af fd ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c de fd ff ff 48 89 df e8 63 ff 80 ff e9 d1 fd ff ff e8 d9 55 2b ff <0f> 0b e8 d2 55 2b ff 0f 0b 55 41 57 41 56 41 54 53 41 89 f7 49 89 RSP: 0018:ffffc9000644f0b0 EFLAGS: 00010283 RAX: ffffffff82608627 RBX: ffff888075b89880 RCX: 0000000000040000 RDX: ffffc90015209000 RSI: 0000000000002ec3 RDI: 0000000000002ec4 RBP: 0000000000000000 R08: ffffffff82608066 R09: ffffed100eb71311 R10: ffffed100eb71311 R11: 1ffff1100eb71310 R12: ffff888075b89800 R13: ffff88807c450000 R14: dffffc0000000000 R15: 1ffff1100eb71300 FS: 00007f0a28019700(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fddfd293000 CR3: 0000000021031000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> hfsplus_bmap_alloc+0x580/0x610 fs/hfsplus/btree.c:414 hfs_bnode_split+0xc3/0x10c0 fs/hfsplus/brec.c:245 hfsplus_brec_insert+0x36c/0xd70 fs/hfsplus/brec.c:100 hfsplus_create_cat+0x583/0xa20 fs/hfsplus/catalog.c:308 hfsplus_mknod+0x165/0x290 fs/hfsplus/dir.c:494 lookup_open fs/namei.c:3413 [inline] open_last_lookups fs/namei.c:3481 [inline] path_openat+0x12ac/0x2dd0 fs/namei.c:3711 do_filp_open+0x264/0x4f0 fs/namei.c:3741 do_sys_openat2+0x124/0x4e0 fs/open.c:1310 do_sys_open fs/open.c:1326 [inline] __do_sys_openat fs/open.c:1342 [inline] __se_sys_openat fs/open.c:1337 [inline] __x64_sys_openat+0x243/0x290 fs/open.c:1337 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f0a2728c0c9 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:00007f0a28019168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f0a273abf80 RCX: 00007f0a2728c0c9 RDX: 000000000000275a RSI: 0000000020000040 RDI: ffffffffffffff9c RBP: 00007f0a272e7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe38bdd94f R14: 00007f0a28019300 R15: 0000000000022000 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:hfsplus_bnode_put+0x637/0x640 fs/hfsplus/bnode.c:618 Code: 00 81 ff e9 af fd ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c de fd ff ff 48 89 df e8 63 ff 80 ff e9 d1 fd ff ff e8 d9 55 2b ff <0f> 0b e8 d2 55 2b ff 0f 0b 55 41 57 41 56 41 54 53 41 89 f7 49 89 RSP: 0018:ffffc9000644f0b0 EFLAGS: 00010283 RAX: ffffffff82608627 RBX: ffff888075b89880 RCX: 0000000000040000 RDX: ffffc90015209000 RSI: 0000000000002ec3 RDI: 0000000000002ec4 RBP: 0000000000000000 R08: ffffffff82608066 R09: ffffed100eb71311 R10: ffffed100eb71311 R11: 1ffff1100eb71310 R12: ffff888075b89800 R13: ffff88807c450000 R14: dffffc0000000000 R15: 1ffff1100eb71300 FS: 00007f0a28019700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f15b1770000 CR3: 0000000021031000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 --- This report is generated by a bot. It may contain errors. See https://goo.gl/tpsmEJ for more information about syzbot. syzbot engineers can be reached at syzkaller@xxxxxxxxxxxxxxxx. syzbot will keep track of this issue. See: https://goo.gl/tpsmEJ#status for how to communicate with syzbot.
