reiserfs: using flush barriers REISERFS (device loop3): journal params: device loop3, size 8192, journal first block 18, max trans len 1024, max batch 900, max commit age 30, max trans age 30 REISERFS (device loop3): checking transaction log (loop3) REISERFS (device loop3): Using r5 hash to sort names ------------[ cut here ]------------ kernel BUG at fs/reiserfs/journal.c:3640! invalid opcode: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 0 PID: 19089 Comm: syz-executor.3 Not tainted 4.14.213-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff88801e1ee000 task.stack: ffff88809c0d8000 RIP: 0010:check_journal_end fs/reiserfs/journal.c:3640 [inline] RIP: 0010:do_journal_end+0x30ee/0x4260 fs/reiserfs/journal.c:4037 RSP: 0018:ffff88809c0df9f8 EFLAGS: 00010246 RAX: 0000000000040000 RBX: ffffc90012d5d000 RCX: ffffc900078d8000 RDX: 0000000000040000 RSI: ffffffff81b5f1ce RDI: ffff88809c0dfc3c RBP: ffff888067f3ab40 R08: 0000000000000000 R09: 000000000004088a R10: ffff88801e1ee8d8 R11: ffff88801e1ee000 R12: 0000000000000000 R13: ffffc90012d5d058 R14: ffffc90012d5d048 R15: ffff88809c0dfc38 FS: 00007fb812a42700(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055e6c5ca0160 CR3: 00000000439d7000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: journal_end+0x259/0x300 fs/reiserfs/journal.c:3409 reiserfs_fill_super+0x1ac0/0x28be fs/reiserfs/super.c:2171 mount_bdev+0x2b3/0x360 fs/super.c:1134 mount_fs+0x92/0x2a0 fs/super.c:1237 vfs_kern_mount.part.0+0x5b/0x470 fs/namespace.c:1046 vfs_kern_mount fs/namespace.c:1036 [inline] do_new_mount fs/namespace.c:2549 [inline] do_mount+0xe53/0x2a00 fs/namespace.c:2879 SYSC_mount fs/namespace.c:3095 [inline] SyS_mount+0xa8/0x120 fs/namespace.c:3072 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x460c6a RSP: 002b:00007fb812a41a78 EFLAGS: 00000212 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fb812a41b10 RCX: 0000000000460c6a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fb812a41ad0 RBP: 00007fb812a41ad0 R08: 00007fb812a41b10 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000212 R12: 0000000020000000 R13: 0000000020000100 R14: 0000000020000200 R15: 0000000020011200 Code: e8 08 21 ff ff e9 11 fa ff ff e8 ee 4d a1 ff 0f 0b e8 e7 4d a1 ff 0f 0b e8 e0 4d a1 ff 0f 0b e8 d9 4d a1 ff 0f 0b e8 d2 4d a1 ff <0f> 0b e8 cb 4d a1 ff 48 8d bb d0 01 00 00 48 b8 00 00 00 00 00 RIP: check_journal_end fs/reiserfs/journal.c:3640 [inline] RSP: ffff88809c0df9f8 RIP: do_journal_end+0x30ee/0x4260 fs/reiserfs/journal.c:4037 RSP: ffff88809c0df9f8 ---[ end trace 9dbf57f228f5f8a6 ]---