Hello, syzbot found the following issue on: HEAD commit: 3f7168591ebf Merge tag '6.7-rc5-smb3-client-fixes' of git:.. git tree: upstream console output: https://syzkaller.appspot.com/x/log.txt?x=16940dc1e80000 kernel config: https://syzkaller.appspot.com/x/.config?x=53ec3da1d259132f dashboard link: https://syzkaller.appspot.com/bug?extid=99bd43b50bec81a1e6e3 compiler: Debian clang version 15.0.6, GNU ld (GNU Binutils for Debian) 2.40 Unfortunately, I don't have any reproducer for this issue yet. Downloadable assets: disk image: https://storage.googleapis.com/syzbot-assets/adeb888d7857/disk-3f716859.raw.xz vmlinux: https://storage.googleapis.com/syzbot-assets/a6ed44d5ad04/vmlinux-3f716859.xz kernel image: https://storage.googleapis.com/syzbot-assets/a04c379bea2a/bzImage-3f716859.xz IMPORTANT: if you fix the issue, please add the following tag to the commit: Reported-by: syzbot+99bd43b50bec81a1e6e3@xxxxxxxxxxxxxxxxxxxxxxxxx ------------[ cut here ]------------ kernel BUG at fs/reiserfs/journal.c:1107! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 17565 Comm: syz-executor.3 Not tainted 6.7.0-rc5-syzkaller-00134-g3f7168591ebf #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:flush_commit_list+0x1c1e/0x1c50 fs/reiserfs/journal.c:1107 Code: ff 90 0f 0b e8 73 54 54 ff 90 0f 0b e8 6b 54 54 ff 90 0f 0b e8 63 54 54 ff 90 0f 0b e8 5b 54 54 ff 90 0f 0b e8 53 54 54 ff 90 <0f> 0b e8 4b 54 54 ff 90 0f 0b 44 89 f1 80 e1 07 80 c1 03 38 c1 0f RSP: 0018:ffffc90014caf2e0 EFLAGS: 00010246 RAX: ffffffff823a28ed RBX: ffff888027da34d0 RCX: 0000000000040000 RDX: ffffc9000b8bc000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: 0000000000000002 R08: ffffffff823a1d75 R09: 1ffff11006ed153f R10: dffffc0000000000 R11: ffffed1006ed1540 R12: ffff888027da341c R13: dffffc0000000000 R14: ffff888142a78000 R15: 1ffff11004fb469a FS: 00007f607875e6c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555555a40978 CR3: 0000000012d8a000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: <TASK> flush_journal_list+0x2a8/0x1c80 fs/reiserfs/journal.c:1390 flush_used_journal_lists+0x1256/0x15d0 fs/reiserfs/journal.c:1828 do_journal_end+0x3d51/0x4b40 do_journal_begin_r+0x970/0x1030 journal_begin+0x14c/0x360 fs/reiserfs/journal.c:3254 reiserfs_remount+0xf6f/0x18f0 fs/reiserfs/super.c:1559 reconfigure_super+0x440/0x870 fs/super.c:1143 vfs_cmd_reconfigure fs/fsopen.c:267 [inline] vfs_fsconfig_locked fs/fsopen.c:296 [inline] __do_sys_fsconfig fs/fsopen.c:476 [inline] __se_sys_fsconfig+0xab5/0xec0 fs/fsopen.c:349 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x45/0x110 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7f6077a7cba9 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:00007f607875e0c8 EFLAGS: 00000246 ORIG_RAX: 00000000000001af RAX: ffffffffffffffda RBX: 00007f6077b9bf80 RCX: 00007f6077a7cba9 RDX: 0000000000000000 RSI: 0000000000000007 RDI: 0000000000000004 RBP: 00007f6077ac847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f6077b9bf80 R15: 00007ffcea3279c8 </TASK> Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:flush_commit_list+0x1c1e/0x1c50 fs/reiserfs/journal.c:1107 Code: ff 90 0f 0b e8 73 54 54 ff 90 0f 0b e8 6b 54 54 ff 90 0f 0b e8 63 54 54 ff 90 0f 0b e8 5b 54 54 ff 90 0f 0b e8 53 54 54 ff 90 <0f> 0b e8 4b 54 54 ff 90 0f 0b 44 89 f1 80 e1 07 80 c1 03 38 c1 0f RSP: 0018:ffffc90014caf2e0 EFLAGS: 00010246 RAX: ffffffff823a28ed RBX: ffff888027da34d0 RCX: 0000000000040000 RDX: ffffc9000b8bc000 RSI: 000000000003ffff RDI: 0000000000040000 RBP: 0000000000000002 R08: ffffffff823a1d75 R09: 1ffff11006ed153f R10: dffffc0000000000 R11: ffffed1006ed1540 R12: ffff888027da341c R13: dffffc0000000000 R14: ffff888142a78000 R15: 1ffff11004fb469a FS: 00007f607875e6c0(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f4f92bfe000 CR3: 0000000012d8a000 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. If the report is already addressed, let syzbot know by replying with: #syz fix: exact-commit-title If you want to overwrite report's subsystems, reply with: #syz set subsystems: new-subsystem (See the list of subsystem names on the web dashboard) If the report is a duplicate of another one, reply with: #syz dup: exact-subject-of-another-report If you want to undo deduplication, reply with: #syz undup
