RBP: 0000000020000500 R08: 00007f30ac069b30 R09: 00007f30ac069ad0
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004
R13: 0000000000000000 R14: 00000000004d9088 R15: 0000000000000003
REISERFS warning (device loop2):  reiserfs_fill_super: Cannot allocate memory for journal device name
------------[ cut here ]------------
kernel BUG at fs/reiserfs/lock.c:44!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 16697 Comm: syz-executor2 Not tainted 4.20.0-rc5+ #361
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:reiserfs_write_unlock+0xeb/0x110 fs/reiserfs/lock.c:44
Code: 5d c3 e8 08 c4 6e ff 48 8d 7b 28 48 c7 83 a8 00 00 00 00 00 00 00 e8 64 fd c9 05 e8 ef c3 6e ff 5b 41 5c 5d c3 e8 e5 c3 6e ff <0f> 0b e8 de 1c b2 ff eb a1 e8 f7 1c b2 ff e9 33 ff ff ff e8 ed 1c
RSP: 0018:ffff888183c6f738 EFLAGS: 00010246
RAX: 0000000000040000 RBX: ffff8881d487e480 RCX: ffffc90009dfe000
RDX: 0000000000040000 RSI: ffffffff8210d7db RDI: ffff8881d487e528
RBP: ffff888183c6f748 R08: ffffed103078df10 R09: 0000000000000000
R10: ffffed103b5e5020 R11: ffff8881daf28107 R12: ffff888183c6fa20
R13: ffffed103078df28 R14: ffffed103078df18 R15: ffff8881d7e0a9c0
FS:  00007f30ac06a700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000708158 CR3: 00000001d2f87000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 reiserfs_fill_super+0xeb4/0x3900 fs/reiserfs/super.c:2219
 mount_bdev+0x30c/0x3e0 fs/super.c:1158
 get_super_block+0x34/0x40 fs/reiserfs/super.c:2605
 mount_fs+0xae/0x31d fs/super.c:1261
 vfs_kern_mount.part.35+0xdc/0x4f0 fs/namespace.c:961
 vfs_kern_mount fs/namespace.c:951 [inline]
 do_new_mount fs/namespace.c:2469 [inline]
 do_mount+0x581/0x31f0 fs/namespace.c:2801
 ksys_mount+0x12d/0x140 fs/namespace.c:3017
 __do_sys_mount fs/namespace.c:3031 [inline]
 __se_sys_mount fs/namespace.c:3028 [inline]
 __x64_sys_mount+0xbe/0x150 fs/namespace.c:3028
 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x459fda
Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 7d 89 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 5a 89 fb ff c3 66 0f 1f 84 00 00 00 00 00
RSP: 002b:00007f30ac069a88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f30ac069b30 RCX: 0000000000459fda
RDX: 00007f30ac069ad0 RSI: 0000000020000500 RDI: 00007f30ac069af0
RBP: 0000000020000500 R08: 00007f30ac069b30 R09: 00007f30ac069ad0
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004
R13: 0000000000000000 R14: 00000000004d9088 R15: 0000000000000003
Modules linked in:
---[ end trace aceee2c23bff923a ]---
kobject: 'loop1' (0000000021572297): kobject_uevent_env
RIP: 0010:reiserfs_write_unlock+0xeb/0x110 fs/reiserfs/lock.c:44
kobject: 'loop1' (0000000021572297): fill_kobj_path: path = '/devices/virtual/block/loop1'
Code: 5d c3 e8 08 c4 6e ff 48 8d 7b 28 48 c7 83 a8 00 00 00 00 00 00 00 e8 64 fd c9 05 e8 ef c3 6e ff 5b 41 5c 5d c3 e8 e5 c3 6e ff <0f> 0b e8 de 1c b2 ff eb a1 e8 f7 1c b2 ff e9 33 ff ff ff e8 ed 1c
kobject: 'loop1' (0000000021572297): kobject_uevent_env
RSP: 0018:ffff888183c6f738 EFLAGS: 00010246
kobject: 'loop1' (0000000021572297): fill_kobj_path: path = '/devices/virtual/block/loop1'
RAX: 0000000000040000 RBX: ffff8881d487e480 RCX: ffffc90009dfe000
RDX: 0000000000040000 RSI: ffffffff8210d7db RDI: ffff8881d487e528
RBP: ffff888183c6f748 R08: ffffed103078df10 R09: 0000000000000000
R10: ffffed103b5e5020 R11: ffff8881daf28107 R12: ffff888183c6fa20
R13: ffffed103078df28 R14: ffffed103078df18 R15: ffff8881d7e0a9c0
FS:  00007f30ac06a700(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
kobject: 'loop1' (0000000021572297): kobject_uevent_env
CR2: 00007f161816adb8 CR3: 00000001d2f87000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
kobject: 'loop1' (0000000021572297): fill_kobj_path: path = '/devices/virtual/block/loop1'
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
kobject: 'loop2' (000000008a59dabd): kobject_uevent_env