Hello, syzbot found the following issue on: HEAD commit: b229b6ca5abb Merge tag 'perf-tools-fixes-for-v6.1-2022-10-.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=11168446880000 kernel config: https://syzkaller.appspot.com/x/.config?x=1d3548a4365ba17d dashboard link: https://syzkaller.appspot.com/bug?extid=2da5e132dd0268a9c0e4 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/24728b72a896/disk-b229b6ca.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/10a3c40c60e1/vmlinux-b229b6ca.xz kernel image: https://storage.googleapis.com/syzbot-assets/69f963b02b7e/bzImage-b229b6ca.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+2da5e132dd0268a9c0e4@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ kernel BUG at fs/reiserfs/journal.c:3039! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 1 PID: 17357 Comm: syz-executor.5 Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022 RIP: 0010:do_journal_begin_r+0x105b/0x1070 fs/reiserfs/journal.c:3039 Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 22 ff ff ff 48 89 df e8 b6 ec b2 ff e9 15 ff ff ff e8 1c f4 5e ff 0f 0b e8 15 f4 5e ff <0f> 0b e8 3e d6 0a 08 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 55 RSP: 0018:ffffc9000cf375c0 EFLAGS: 00010287 RAX: ffffffff8228dbcb RBX: 0000000011008083 RCX: 0000000000040000 RDX: ffffc9000be91000 RSI: 00000000000012c4 RDI: 00000000000012c5 RBP: ffffc9000cf37768 R08: ffffffff8228cca2 R09: fffffbfff1c1b5f6 R10: fffffbfff1c1b5f6 R11: 1ffffffff1c1b5f5 R12: ffff8880411d4678 R13: ffffc9000cedf214 R14: dffffc0000000000 R15: 0000000000000100 FS: 00007f76be5ff700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000c02de75000 CR3: 0000000027e78000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> journal_begin+0x14b/0x350 fs/reiserfs/journal.c:3255 reiserfs_create+0x2c3/0x660 fs/reiserfs/namei.c:661 lookup_open fs/namei.c:3413 [inline] open_last_lookups fs/namei.c:3481 [inline] path_openat+0x12d0/0x2df0 fs/namei.c:3710 do_filp_open+0x264/0x4f0 fs/namei.c:3740 do_sys_openat2+0x124/0x4e0 fs/open.c:1310 do_sys_open fs/open.c:1326 [inline] __do_sys_open fs/open.c:1334 [inline] __se_sys_open fs/open.c:1330 [inline] __x64_sys_open+0x221/0x270 fs/open.c:1330 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: 0033:0x7f76bf28b5a9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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:00007f76be5ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f76bf3ac120 RCX: 00007f76bf28b5a9 RDX: 0000000000000000 RSI: 0000000000042142 RDI: 00000000200000c0 RBP: 00007f76bf2e67b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc4062385f R14: 00007f76be5ff300 R15: 0000000000022000 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:do_journal_begin_r+0x105b/0x1070 fs/reiserfs/journal.c:3039 Code: ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 22 ff ff ff 48 89 df e8 b6 ec b2 ff e9 15 ff ff ff e8 1c f4 5e ff 0f 0b e8 15 f4 5e ff <0f> 0b e8 3e d6 0a 08 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 55 RSP: 0018:ffffc9000cf375c0 EFLAGS: 00010287 RAX: ffffffff8228dbcb RBX: 0000000011008083 RCX: 0000000000040000 RDX: ffffc9000be91000 RSI: 00000000000012c4 RDI: 00000000000012c5 RBP: ffffc9000cf37768 R08: ffffffff8228cca2 R09: fffffbfff1c1b5f6 R10: fffffbfff1c1b5f6 R11: 1ffffffff1c1b5f5 R12: ffff8880411d4678 R13: ffffc9000cedf214 R14: dffffc0000000000 R15: 0000000000000100 FS: 00007f76be5ff700(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f76bf3a8000 CR3: 0000000027e78000 CR4: 00000000003506e0 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.
