REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 0, max trans age 30 REISERFS (device loop4): checking transaction log (loop4) REISERFS (device loop4): Using r5 hash to sort names REISERFS (device loop4): using 3.5.x disk format ------------[ cut here ]------------ WARNING: CPU: 0 PID: 21501 at fs/inode.c:979 unlock_new_inode.cold+0x11/0x3f fs/inode.c:979 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 21501 Comm: syz-executor.4 Not tainted 4.19.152-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x22c/0x33e lib/dump_stack.c:118 panic+0x2ac/0x565 kernel/panic.c:186 __warn.cold+0x20/0x5a kernel/panic.c:541 report_bug+0x262/0x2b0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1e1/0x330 arch/x86/kernel/traps.c:296 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 RIP: 0010:unlock_new_inode.cold+0x11/0x3f fs/inode.c:979 Code: ee e8 71 d6 b4 ff 48 c7 c7 80 0f 16 88 e8 14 52 9e ff 0f 0b e9 a7 76 ff ff e8 59 d6 b4 ff 48 c7 c7 80 0f 16 88 e8 fc 51 9e ff <0f> 0b b8 ff ff 37 00 4c 89 e2 48 c1 ea 03 48 c1 e0 2a 80 3c 02 00 RSP: 0018:ffff88808dd3f600 EFLAGS: 00010282 RAX: 0000000000000024 RBX: ffff888080709900 RCX: 0000000000000000 RDX: 0000000000040000 RSI: ffffffff815b62af RDI: ffffed1011ba7eb2 RBP: 0000000000000000 R08: 0000000000000024 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff8880807099d0 R13: ffff888080709988 R14: 0000000000000000 R15: 00000000fffffff4 reiserfs_new_inode+0x3b8/0x2150 fs/reiserfs/inode.c:2164 reiserfs_mkdir+0x4ad/0x980 fs/reiserfs/namei.c:841 create_privroot fs/reiserfs/xattr.c:880 [inline] reiserfs_xattr_init+0x406/0xae0 fs/reiserfs/xattr.c:1002 reiserfs_fill_super+0x222a/0x2e60 fs/reiserfs/super.c:2180 mount_bdev+0x2fc/0x3b0 fs/super.c:1158 mount_fs+0xa3/0x318 fs/super.c:1261 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2469 [inline] do_mount+0x51c/0x2f10 fs/namespace.c:2799 ksys_mount+0xcf/0x130 fs/namespace.c:3015 __do_sys_mount fs/namespace.c:3029 [inline] __se_sys_mount fs/namespace.c:3026 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3026 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4608aa Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 ad 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 8a 89 fb ff c3 66 0f 1f 84 00 00 00 00 00 RSP: 002b:00007faa97cdda88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007faa97cddb20 RCX: 00000000004608aa RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007faa97cddae0 RBP: 00007faa97cddae0 R08: 00007faa97cddb20 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000 R13: 0000000020000100 R14: 0000000020000200 R15: 0000000020011400 Kernel Offset: disabled Rebooting in 86400 seconds..