REISERFS (device loop4): using 3.5.x disk format reiserfs: enabling write barrier flush mode ------------[ cut here ]------------ WARNING: CPU: 0 PID: 28122 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: 28122 Comm: syz-executor.4 Not tainted 4.19.146-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 31 ee b4 ff 48 c7 c7 80 0e 16 88 e8 54 69 9e ff 0f 0b e9 a7 76 ff ff e8 19 ee b4 ff 48 c7 c7 80 0e 16 88 e8 3c 69 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:ffff88820fcdf670 EFLAGS: 00010286 RAX: 0000000000000024 RBX: ffff88807f8bd1e8 RCX: 0000000000000000 RDX: 000000000002b67d RSI: ffffffff815b523f RDI: ffffed1041f9bec0 RBP: 0000000000000000 R08: 0000000000000024 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff88807f8bd2b8 R13: ffff88807f8bd270 R14: 0000000000000000 R15: 00000000fffffff4 reiserfs_new_inode+0x3b8/0x2150 fs/reiserfs/inode.c:2168 reiserfs_mkdir+0x4ad/0x980 fs/reiserfs/namei.c:841 create_privroot fs/reiserfs/xattr.c:873 [inline] reiserfs_xattr_init+0x406/0xae0 fs/reiserfs/xattr.c:995 reiserfs_remount+0x103c/0x1640 fs/reiserfs/super.c:1599 do_remount_sb+0x1a0/0x6a0 fs/super.c:888 do_remount fs/namespace.c:2290 [inline] do_mount+0x1854/0x2f10 fs/namespace.c:2790 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: 0033:0x46004a Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 fd 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 da 89 fb ff c3 66 0f 1f 84 00 00 00 00 00 RSP: 002b:00007fba76e7ba88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fba76e7bb20 RCX: 000000000046004a RDX: 0000000020000540 RSI: 0000000020000580 RDI: 0000000000000000 RBP: 00007fba76e7bae0 R08: 00007fba76e7bb20 R09: 0000000020000540 R10: 0000000000240038 R11: 0000000000000202 R12: 0000000020000540 R13: 0000000020000580 R14: 0000000000000000 R15: 0000000020001ec0 Kernel Offset: disabled Rebooting in 86400 seconds..