RBP: 0000000000000006 R08: 00007ffeec4e5e20 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffeec4e5e20 R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 REISERFS warning (device loop0): 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: 8336 Comm: syz-executor040 Not tainted 4.19.105-syzkaller #0 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 78 fb 86 ff 48 8d 7b 28 48 c7 83 a8 00 00 00 00 00 00 00 e8 74 cb 6f 05 e8 5f fb 86 ff 5b 41 5c 5d c3 e8 55 fb 86 ff <0f> 0b e8 de 98 be ff eb a1 e8 f7 98 be ff e9 33 ff ff ff e8 ed 98 RSP: 0018:ffff88808ecb7a90 EFLAGS: 00010293 RAX: ffff88807e192100 RBX: ffff8880891f0900 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff81e3e16b RDI: ffff8880891f09a8 RBP: ffff88808ecb7aa0 R08: 0000000000000065 R09: ffffed1015d25079 R10: ffffed1015d25078 R11: ffff8880ae9283c7 R12: ffff8880891f0900 R13: ffff8880891f0bc8 R14: 00000000ffffffea R15: ffff8880a82f4140 FS: 000000000244f880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000625208 CR3: 00000000a885c000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: reiserfs_fill_super+0x29ce/0x2e90 fs/reiserfs/super.c:2222 mount_bdev+0x304/0x3c0 fs/super.c:1158 get_super_block+0x35/0x40 fs/reiserfs/super.c:2609 mount_fs+0xa8/0x31f fs/super.c:1261 vfs_kern_mount.part.0+0x6f/0x410 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2469 [inline] do_mount+0x53e/0x2bc0 fs/namespace.c:2799 ksys_mount+0xdb/0x150 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xbe/0x150 fs/namespace.c:3026 do_syscall_64+0xfd/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x44867a Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 bd a2 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 9a a2 fb ff c3 66 0f 1f 84 00 00 00 00 00 RSP: 002b:00007ffeec4e5d88 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000044867a RDX: 00007ffeec4e5dc0 RSI: 0000000020000140 RDI: 00007ffeec4e5de0 RBP: 0000000000000006 R08: 00007ffeec4e5e20 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffeec4e5e20 R13: 0000000000000005 R14: 0000000000000000 R15: 0000000000000000 Modules linked in: ---[ end trace 96121f8b88a9933f ]--- RIP: 0010:reiserfs_write_unlock+0xeb/0x110 fs/reiserfs/lock.c:44 Code: 5d c3 e8 78 fb 86 ff 48 8d 7b 28 48 c7 83 a8 00 00 00 00 00 00 00 e8 74 cb 6f 05 e8 5f fb 86 ff 5b 41 5c 5d c3 e8 55 fb 86 ff <0f> 0b e8 de 98 be ff eb a1 e8 f7 98 be ff e9 33 ff ff ff e8 ed 98 RSP: 0018:ffff88808ecb7a90 EFLAGS: 00010293 RAX: ffff88807e192100 RBX: ffff8880891f0900 RCX: 0000000000000000 RDX: 0000000000000000 RSI: ffffffff81e3e16b RDI: ffff8880891f09a8 RBP: ffff88808ecb7aa0 R08: 0000000000000065 R09: ffffed1015d25079 R10: ffffed1015d25078 R11: ffff8880ae9283c7 R12: ffff8880891f0900 R13: ffff8880891f0bc8 R14: 00000000ffffffea R15: ffff8880a82f4140 FS: 000000000244f880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000625208 CR3: 00000000a885c000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400