REISERFS (device loop5): journal params: device loop5, size 15748, journal first block 18, max trans len 1024, max batch 900, max commit age 0, max trans age 30 REISERFS (device loop5): checking transaction log (loop5) Bluetooth: hci3: command 0x0419 tx timeout REISERFS (device loop5): Using rupasov hash to sort names BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 PGD 46f62067 P4D 46f62067 PUD 46f1a067 PMD 0 Oops: 0010 [#1] PREEMPT SMP KASAN CPU: 1 PID: 12395 Comm: syz-executor.5 Not tainted 4.19.179-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010: (null) Code: Bad RIP value. RSP: 0018:ffff888047a2f8a8 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 1ffff11008f45f18 RCX: ffffc9001066a000 RDX: 0000000000000000 RSI: ffff88808d9f11a0 RDI: ffff88803e817740 RBP: ffffffff8878d340 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff88808d9f11a0 R13: ffff88803e817740 R14: ffff888047a2fa38 R15: ffff888047a2f8e0 FS: 00007f5ceebb1700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffffffffd6 CR3: 00000000470d2000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __lookup_slow+0x246/0x4a0 fs/namei.c:1672 lookup_one_len+0x163/0x190 fs/namei.c:2544 reiserfs_lookup_privroot+0x92/0x280 fs/reiserfs/xattr.c:970 reiserfs_fill_super+0x13ea/0x2cf0 fs/reiserfs/super.c:2197 mount_bdev+0x2fc/0x3b0 fs/super.c:1158 mount_fs+0xa3/0x310 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+0x113c/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+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x46748a Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f5ceebb0fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000040 RCX: 000000000046748a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f5ceebb1000 RBP: 00007f5ceebb1040 R08: 00007f5ceebb1040 R09: 0000000020000000 R10: 0000000000208403 R11: 0000000000000206 R12: 0000000020000000 R13: 0000000020000100 R14: 00007f5ceebb1000 R15: 0000000020011500 Modules linked in: CR2: 0000000000000000 ---[ end trace b0cbb356a747e462 ]--- RIP: 0010: (null) Code: Bad RIP value. RSP: 0018:ffff888047a2f8a8 EFLAGS: 00010246 RAX: dffffc0000000000 RBX: 1ffff11008f45f18 RCX: ffffc9001066a000 RDX: 0000000000000000 RSI: ffff88808d9f11a0 RDI: ffff88803e817740 RBP: ffffffff8878d340 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff88808d9f11a0 R13: ffff88803e817740 R14: ffff888047a2fa38 R15: ffff888047a2f8e0 FS: 00007f5ceebb1700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000004 CR3: 00000000470d2000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400