R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 R13: 0000000000000000 R14: 00000000004d7ec0 R15: 0000000000000003 REISERFS warning (device loop1): reiserfs_fill_super: Cannot allocate memory for journal device name input: syz0 as /devices/virtual/input/input13174 ------------[ cut here ]------------ kernel BUG at fs/reiserfs/lock.c:44! invalid opcode: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 26445 Comm: syz-executor1 Not tainted 4.19.0-rc6+ #51 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 kobject: 'input13168' (00000000d7ed4fe8): kobject_uevent_env RIP: 0010:reiserfs_write_unlock+0xeb/0x110 fs/reiserfs/lock.c:44 Code: 5d c3 e8 48 43 6f ff 48 8d 7b 28 48 c7 83 a8 00 00 00 00 00 00 00 e8 64 da 9f 05 e8 2f 43 6f ff 5b 41 5c 5d c3 e8 25 43 6f ff <0f> 0b e8 6e b3 b2 ff eb a1 e8 87 b3 b2 ff e9 33 ff ff ff e8 7d b3 RSP: 0018:ffff880187c37738 EFLAGS: 00010246 kobject: 'input13168' (00000000d7ed4fe8): fill_kobj_path: path = '/devices/virtual/input/input13168' RAX: 0000000000040000 RBX: ffff8801bfc584c0 RCX: ffffc90003ef8000 RDX: 0000000000040000 RSI: ffffffff820f926b RDI: ffff8801bfc58568 RBP: ffff880187c37748 R08: 0000000000000000 R09: fffffbfff12720c0 R10: fffffbfff12720c0 R11: ffffffff89390603 R12: ffff880187c37a20 R13: ffffed0030f86f28 R14: ffffed0030f86f18 R15: ffffed0030f86f08 kobject: 'input13174' (00000000dca13c6e): kobject_uevent_env FS: 00007fefa9acc700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 kobject: 'input13174' (00000000dca13c6e): fill_kobj_path: path = '/devices/virtual/input/input13174' CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600400 CR3: 00000001bf254000 CR4: 00000000001426f0 Call Trace: reiserfs_fill_super+0xfa0/0x3b90 fs/reiserfs/super.c:2219 kobject: 'input13174' (00000000dca13c6e): kobject_cleanup, parent (null) kobject: 'input13168' (00000000d7ed4fe8): kobject_cleanup, parent (null) kobject: 'input13174' (00000000dca13c6e): calling ktype release mount_bdev+0x30c/0x3e0 fs/super.c:1158 kobject: 'input13174': free name 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 kobject: 'input13168' (00000000d7ed4fe8): calling ktype release vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2457 [inline] do_mount+0x581/0x31f0 fs/namespace.c:2787 kobject: 'input13168': free name kobject: 'loop4' (0000000012b73ef6): kobject_uevent_env ksys_mount+0x12d/0x140 fs/namespace.c:3003 __do_sys_mount fs/namespace.c:3017 [inline] __se_sys_mount fs/namespace.c:3014 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3014 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 kobject: 'loop4' (0000000012b73ef6): fill_kobj_path: path = '/devices/virtual/block/loop4' entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x459fea Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 9d 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 7a 89 fb ff c3 66 0f 1f 84 00 00 00 00 00 RSP: 002b:00007fefa9acba88 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fefa9acbb30 RCX: 0000000000459fea RDX: 00007fefa9acbad0 RSI: 0000000020000040 RDI: 00007fefa9acbaf0 RBP: 0000000020000040 R08: 00007fefa9acbb30 R09: 00007fefa9acbad0 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000004 R13: 0000000000000000 R14: 00000000004d7ec0 R15: 0000000000000003 Modules linked in: ---[ end trace 2ea64587f89838bc ]--- kobject: 'loop1' (00000000fb13db3c): kobject_uevent_env RIP: 0010:reiserfs_write_unlock+0xeb/0x110 fs/reiserfs/lock.c:44 kobject: 'loop1' (00000000fb13db3c): fill_kobj_path: path = '/devices/virtual/block/loop1' kobject: 'event6' (00000000a794e0b4): kobject_cleanup, parent (null) kobject: 'input13175' (000000008caa0466): kobject_cleanup, parent (null) kobject: 'input13171' (00000000ecab11a5): kobject_uevent_env Code: 5d c3 e8 48 43 6f ff 48 8d 7b 28 48 c7 83 a8 00 00 00 00 00 00 00 e8 64 da 9f 05 e8 2f 43 6f ff 5b 41 5c 5d c3 e8 25 43 6f ff <0f> 0b e8 6e b3 b2 ff eb a1 e8 87 b3 b2 ff e9 33 ff ff ff e8 7d b3 kobject: 'input13171' (00000000ecab11a5): fill_kobj_path: path = '/devices/virtual/input/input13171' RSP: 0018:ffff880187c37738 EFLAGS: 00010246 kobject: 'input13175' (000000008caa0466): calling ktype release RAX: 0000000000040000 RBX: ffff8801bfc584c0 RCX: ffffc90003ef8000 kobject: 'input13175': free name kobject: 'input13172' (0000000028cf8a4e): kobject_uevent_env kobject: 'input13172' (0000000028cf8a4e): fill_kobj_path: path = '/devices/virtual/input/input13172' RDX: 0000000000040000 RSI: ffffffff820f926b RDI: ffff8801bfc58568 kobject: 'input13171' (00000000ecab11a5): kobject_cleanup, parent (null) kobject: 'input13172' (0000000028cf8a4e): kobject_cleanup, parent (null) kobject: 'input13172' (0000000028cf8a4e): calling ktype release RBP: ffff880187c37748 R08: 0000000000000000 R09: fffffbfff12720c0 kobject: 'input13172': free name kobject: 'input13171' (00000000ecab11a5): calling ktype release R10: fffffbfff12720c0 R11: ffffffff89390603 R12: ffff880187c37a20 kobject: 'input13171': free name kobject: 'event6' (00000000a794e0b4): calling ktype release kobject: 'event6': free name kobject: 'loop3' (00000000a8c20f6a): kobject_uevent_env kobject: 'input13160' (00000000d3cb2eb5): kobject_uevent_env R13: ffffed0030f86f28 R14: ffffed0030f86f18 R15: ffffed0030f86f08 kobject: 'event4' (000000000b06c5c4): kobject_add_internal: parent: 'input13165', set: 'devices' kobject: 'loop3' (00000000a8c20f6a): fill_kobj_path: path = '/devices/virtual/block/loop3' kobject: 'input13160' (00000000d3cb2eb5): fill_kobj_path: path = '/devices/virtual/input/input13160' FS: 00007fefa9acc700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 kobject: 'input13160' (00000000d3cb2eb5): kobject_cleanup, parent (null) CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 kobject: 'event4' (000000000b06c5c4): kobject_uevent_env CR2: 0000000000706158 CR3: 00000001bf254000 CR4: 00000000001426e0 kobject: 'loop2' (000000005b3dc1f8): kobject_uevent_env