reiserfs: using flush barriers REISERFS (device loop4): journal params: device loop4, size 15748, journal first block 18, max trans len 1024, max batch 900, max commit age 30, max trans age 30 REISERFS (device loop4): checking transaction log (loop4) REISERFS (device loop2): Using tea hash to sort names BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 PGD 9689e067 P4D 9689e067 PUD a165b067 PMD 0 Oops: 0010 [#1] PREEMPT SMP KASAN CPU: 0 PID: 10015 Comm: syz-executor.2 Not tainted 4.18.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010: (null) Code: Bad RIP value. RSP: 0018:ffff8800a18d7788 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 1ffff1001431aef6 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8800979ad760 RDI: ffff880065268168 RBP: ffff8800a18d78f8 R08: 0000000000000000 R09: ffffed00174c454a R10: ffffed00174c454a R11: ffff8800ba622a53 R12: ffffffff87d6c200 R13: ffff880065268168 R14: ffff8800979ad760 R15: dffffc0000000000 FS: 00007f8e7ea6f700(0000) GS:ffff8800ba600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000096875000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lookup_one_len+0x132/0x160 fs/namei.c:2519 reiserfs_lookup_privroot+0x92/0x230 fs/reiserfs/xattr.c:946 reiserfs_fill_super+0x1a92/0x26c0 fs/reiserfs/super.c:2176 mount_bdev+0x26f/0x330 fs/super.c:1174 get_super_block+0x10/0x20 fs/reiserfs/super.c:2605 mount_fs+0x7f/0x2a9 fs/super.c:1277 vfs_kern_mount.part.9+0x58/0x3c0 fs/namespace.c:1046 vfs_kern_mount fs/namespace.c:1036 [inline] do_new_mount fs/namespace.c:2542 [inline] do_mount+0x376/0x2710 fs/namespace.c:2872 ksys_mount+0xb1/0xd0 fs/namespace.c:3088 __do_sys_mount fs/namespace.c:3102 [inline] __se_sys_mount fs/namespace.c:3099 [inline] __x64_sys_mount+0xb9/0x150 fs/namespace.c:3099 do_syscall_64+0xda/0x540 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x467afa Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8e7ea6efa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467afa RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f8e7ea6f000 RBP: 00007f8e7ea6f040 R08: 00007f8e7ea6f040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f8e7ea6f000 R15: 0000000020011500 Modules linked in: CR2: 0000000000000000 ---[ end trace 1e069a6309ea6f87 ]--- RIP: 0010: (null) init_special_inode: bogus i_mode (101) for inode loop1:2 Code: Bad RIP value. RSP: 0018:ffff8800a18d7788 EFLAGS: 00010246 REISERFS (device loop1): Using tea hash to sort names init_special_inode: bogus i_mode (101) for inode loop3:2 RAX: dffffc0000000000 RBX: 1ffff1001431aef6 RCX: 0000000000000000 BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 PGD 9f100067 P4D 9f100067 PUD 9f101067 PMD 0 Oops: 0010 [#2] PREEMPT SMP KASAN CPU: 0 PID: 10139 Comm: syz-executor.1 Tainted: G D 4.18.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010: (null) Code: Bad RIP value. RSP: 0018:ffff88009f7bf788 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 1ffff10013ef7ef6 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffff8800979ada20 RDI: ffff880065380168 RBP: ffff88009f7bf8f8 R08: 0000000000000000 R09: 0000000000000001 R10: ffff8800979ad8c0 R11: 0000000000000000 R12: ffffffff87d6c200 R13: ffff880065380168 R14: ffff8800979ada20 R15: dffffc0000000000 FS: 00007f320d6ea700(0000) GS:ffff8800ba600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 000000009f6fe000 CR4: 00000000001406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lookup_one_len+0x132/0x160 fs/namei.c:2519 reiserfs_lookup_privroot+0x92/0x230 fs/reiserfs/xattr.c:946 reiserfs_fill_super+0x1a92/0x26c0 fs/reiserfs/super.c:2176 mount_bdev+0x26f/0x330 fs/super.c:1174 get_super_block+0x10/0x20 fs/reiserfs/super.c:2605 mount_fs+0x7f/0x2a9 fs/super.c:1277 vfs_kern_mount.part.9+0x58/0x3c0 fs/namespace.c:1046 vfs_kern_mount fs/namespace.c:1036 [inline] do_new_mount fs/namespace.c:2542 [inline] do_mount+0x376/0x2710 fs/namespace.c:2872 init_special_inode: bogus i_mode (101) for inode loop5:2 ksys_mount+0xb1/0xd0 fs/namespace.c:3088 __do_sys_mount fs/namespace.c:3102 [inline] __se_sys_mount fs/namespace.c:3099 [inline] __x64_sys_mount+0xb9/0x150 fs/namespace.c:3099 do_syscall_64+0xda/0x540 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x467afa Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 REISERFS (device loop3): Using tea hash to sort names 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f320d6e9fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467afa RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f320d6ea000 RBP: 00007f320d6ea040 R08: 00007f320d6ea040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f320d6ea000 R15: 0000000020011500 Modules linked in: CR2: 0000000000000000 BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 PGD 89a6c067 P4D 89a6c067 PUD a1c26067 PMD 0 RDX: 0000000000000000 RSI: ffff8800979ad760 RDI: ffff880065268168 Oops: 0010 [#3] PREEMPT SMP KASAN CPU: 1 PID: 10069 Comm: syz-executor.3 Tainted: G D 4.18.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010: (null) Code: Bad RIP value. RSP: 0018:ffff8800892bf788 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 1ffff10011257ef6 RCX: 0000000000000001 RDX: 0000000000000000 RSI: ffff8800978bf600 RDI: ffff880065268700 RBP: ffff8800892bf8f8 R08: 0000000000000000 R09: 0000000000000001 R10: ffff8800978bf340 R11: 0000000000000000 R12: ffffffff87d6c200 R13: ffff880065268700 R14: ffff8800978bf600 R15: dffffc0000000000 FS: 00007fc7f3339700(0000) GS:ffff8800ba700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 0000000096872000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: RBP: ffff8800a18d78f8 R08: 0000000000000000 R09: ffffed00174c454a R10: ffffed00174c454a R11: ffff8800ba622a53 R12: ffffffff87d6c200 lookup_one_len+0x132/0x160 fs/namei.c:2519 reiserfs_lookup_privroot+0x92/0x230 fs/reiserfs/xattr.c:946 reiserfs_fill_super+0x1a92/0x26c0 fs/reiserfs/super.c:2176 R13: ffff880065268168 R14: ffff8800979ad760 R15: dffffc0000000000 FS: 00007f8e7ea6f700(0000) GS:ffff8800ba600000(0000) knlGS:0000000000000000 mount_bdev+0x26f/0x330 fs/super.c:1174 get_super_block+0x10/0x20 fs/reiserfs/super.c:2605 mount_fs+0x7f/0x2a9 fs/super.c:1277 vfs_kern_mount.part.9+0x58/0x3c0 fs/namespace.c:1046 vfs_kern_mount fs/namespace.c:1036 [inline] do_new_mount fs/namespace.c:2542 [inline] do_mount+0x376/0x2710 fs/namespace.c:2872 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 ksys_mount+0xb1/0xd0 fs/namespace.c:3088 __do_sys_mount fs/namespace.c:3102 [inline] __se_sys_mount fs/namespace.c:3099 [inline] __x64_sys_mount+0xb9/0x150 fs/namespace.c:3099 do_syscall_64+0xda/0x540 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x467afa CR2: 00007f720cdd7008 CR3: 0000000096875000 CR4: 00000000001406f0 Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 00 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc7f3338fa8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 0000000000467afa RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fc7f3339000 RBP: 00007fc7f3339040 R08: 00007fc7f3339040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000000 R13: 0000000020000100 R14: 00007fc7f3339000 R15: 0000000020011500 Modules linked in: CR2: 0000000000000000 REISERFS (device loop5): Using tea hash to sort names