REISERFS (device loop3): journal params: device loop3, size 8192, journal first block 4294967294, max trans len 1024, max batch 900, max commit age 30, max trans age 30 reiserfs: using flush barriers REISERFS (device loop3): checking transaction log (loop3) REISERFS (device loop3): Using tea hash to sort names ------------[ cut here ]------------ kernel BUG at fs/reiserfs/journal.c:3654! invalid opcode: 0000 [#1] PREEMPT SMP KASAN Modules linked in: CPU: 1 PID: 7993 Comm: syz-executor281 Not tainted 4.14.275-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 REISERFS (device loop4): found reiserfs format "3.6" with standard journal task: ffff8880b2924180 task.stack: ffff8880b1990000 RIP: 0010:check_journal_end fs/reiserfs/journal.c:3654 [inline] RIP: 0010:do_journal_end+0x30ee/0x4260 fs/reiserfs/journal.c:4051 RSP: 0018:ffff8880b19979f8 EFLAGS: 00010297 RAX: ffff8880b2924180 RBX: ffffc90006346000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8880b1997c30 RDI: ffff8880b1997c3c RBP: ffff8880b18a09c0 R08: 0000000000000000 R09: 000000000004057e R10: ffff8880b2924a58 R11: ffff8880b2924180 R12: 0000000000000000 R13: ffffc90006346058 R14: ffffc90006346048 R15: ffff8880b1997c38 FS: 0000555556386300(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000 REISERFS (device loop4): using ordered data mode CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007effe353a000 CR3: 000000009b315000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: reiserfs: using flush barriers journal_end+0x259/0x300 fs/reiserfs/journal.c:3423 reiserfs_fill_super+0x1cec/0x2980 fs/reiserfs/super.c:2179 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:2572 [inline] do_mount+0xe65/0x2a10 fs/namespace.c:2902 SYSC_mount fs/namespace.c:3118 [inline] SyS_mount+0xa8/0x120 fs/namespace.c:3095 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7fc88f08fdea RSP: 002b:00007ffc3bd7c0e8 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffc3bd7c140 RCX: 00007fc88f08fdea RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffc3bd7c100 RBP: 00007ffc3bd7c100 R08: 00007ffc3bd7c140 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000286 R12: 00000000200002a8 R13: 0000000000000003 R14: 0000000000000004 R15: 0000000000000007 Code: e8 38 20 ff ff e9 11 fa ff ff e8 1e 4e a2 ff 0f 0b e8 17 4e a2 ff 0f 0b e8 10 4e a2 ff 0f 0b e8 09 4e a2 ff 0f 0b e8 02 4e a2 ff <0f> 0b e8 fb 4d a2 ff 48 8d bb d0 01 00 00 48 b8 00 00 00 00 00 RIP: check_journal_end fs/reiserfs/journal.c:3654 [inline] RSP: ffff8880b19979f8 RIP: do_journal_end+0x30ee/0x4260 fs/reiserfs/journal.c:4051 RSP: ffff8880b19979f8 ---[ end trace 2d6fee010496d2b3 ]---