REISERFS (device loop4): checking transaction log (loop4) REISERFS (device loop4): Using rupasov hash to sort names REISERFS (device loop4): using 3.5.x disk format reiserfs: enabling write barrier flush mode ------------[ cut here ]------------ WARNING: CPU: 0 PID: 20504 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: 20504 Comm: syz-executor.4 Not tainted 4.19.148-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 01 e9 b4 ff 48 c7 c7 00 0f 16 88 e8 24 64 9e ff 0f 0b e9 a7 76 ff ff e8 e9 e8 b4 ff 48 c7 c7 00 0f 16 88 e8 0c 64 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:ffff88803cc0f670 EFLAGS: 00010286 RAX: 0000000000000024 RBX: ffff8880801742a8 RCX: 0000000000000000 RDX: 000000000003b587 RSI: ffffffff815b523f RDI: ffffed1007981ec0 RBP: 0000000000000000 R08: 0000000000000024 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff888080174378 R13: ffff888080174330 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: 0033:0x460bca Code: b8 a6 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 dd 87 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 ba 87 fb ff c3 66 0f 1f 84 00 00 00 00 00 kauditd_printk_skb: 14 callbacks suppressed audit: type=1800 audit(1601241512.309:155): pid=20528 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.0" name="file0" dev="sda1" ino=16912 res=0 RSP: 002b:00007f72b2c05a88 EFLAGS: 00000212 ORIG_RAX: 00000000000000a5 audit: type=1804 audit(1601241512.329:156): pid=20528 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir249606626/syzkaller.SWyqGp/309/file0" dev="sda1" ino=16912 res=1 RAX: ffffffffffffffda RBX: 00007f72b2c05b20 RCX: 0000000000460bca RDX: 0000000020000540 RSI: 0000000020000580 RDI: 0000000000000000 RBP: 00007f72b2c05ae0 R08: 00007f72b2c05b20 R09: 0000000020000540 R10: 0000000000240038 R11: 0000000000000212 R12: 0000000020000540 R13: 0000000020000580 R14: 0000000000000000 R15: 0000000020001ec0 Kernel Offset: disabled ======================================================