================================================================================
UBSAN: Undefined behaviour in fs/ext4/super.c:3763:25
shift exponent 65 is too large for 32-bit type 'int'
CPU: 1 PID: 8069 Comm: syz-executor.5 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
 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161
 __ubsan_handle_shift_out_of_bounds.cold+0x1c4/0x250 lib/ubsan.c:422
 ext4_fill_super.cold+0x33b/0x4ea fs/ext4/super.c:3763
 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:00007f359afa8a88 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f359afa8b20 RCX: 00000000004608aa
RDX: 0000000020000000 RSI: 0000000020000040 RDI: 00007f359afa8ae0
RBP: 00007f359afa8ae0 R08: 00007f359afa8b20 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000020000000
R13: 0000000020000040 R14: 00000000200000c0 R15: 0000000020000280
================================================================================
EXT4-fs (loop5): journaled quota format not specified
netlink: 'syz-executor.1': attribute type 5 has an invalid length.
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.1'.
EXT4-fs (loop5): journaled quota format not specified
L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details.
audit: type=1800 audit(1603209496.510:9): pid=8119 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.5" name="bus" dev="sda1" ino=15773 res=0
EXT4-fs (loop1): ext4_check_descriptors: Checksum for group 0 failed (60935!=0)
EXT4-fs (loop1): orphan cleanup on readonly fs
EXT4-fs error (device loop1): ext4_free_inode:283: comm syz-executor.1: reserved or nonexistent inode 3
EXT4-fs warning (device loop1): ext4_enable_quotas:5872: Failed to enable quota tracking (type=0, err=-22). Please run e2fsck to fix.
EXT4-fs (loop1): Cannot turn on quotas: error -22
EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
audit: type=1800 audit(1603209497.490:10): pid=8161 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="syz-executor.5" name="bus" dev="sda1" ino=15750 res=0
EXT4-fs (loop1): ext4_check_descriptors: Checksum for group 0 failed (60935!=0)
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'.
EXT4-fs (loop1): orphan cleanup on readonly fs
EXT4-fs error (device loop1): ext4_free_inode:283: comm syz-executor.1: reserved or nonexistent inode 3
syz-executor.5 uses obsolete (PF_INET,SOCK_PACKET)
EXT4-fs warning (device loop1): ext4_enable_quotas:5872: Failed to enable quota tracking (type=0, err=-22). Please run e2fsck to fix.
EXT4-fs (loop1): Cannot turn on quotas: error -22
EXT4-fs (loop1): mounted filesystem without journal. Opts: ,errors=continue
================================================================================
UBSAN: Undefined behaviour in drivers/vhost/vhost.c:116:62
load of value 187 is not a valid value for type '_Bool'
CPU: 1 PID: 8220 Comm: syz-executor.3 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
 ubsan_epilogue+0xe/0x3a lib/ubsan.c:161
 __ubsan_handle_load_invalid_value.cold+0x63/0x6f lib/ubsan.c:454
 vhost_init_is_le drivers/vhost/vhost.c:116 [inline]
 vhost_reset_is_le drivers/vhost/vhost.c:143 [inline]
 vhost_vq_reset.constprop.0.cold+0x15/0x1a drivers/vhost/vhost.c:325
 vhost_dev_init+0x442/0x780 drivers/vhost/vhost.c:463
 vhost_net_open+0x54c/0x730 drivers/vhost/net.c:1103
 misc_open+0x372/0x4a0 drivers/char/misc.c:141
 chrdev_open+0x266/0x770 fs/char_dev.c:423
 do_dentry_open+0x4aa/0x1160 fs/open.c:796
 do_last fs/namei.c:3421 [inline]
 path_openat+0x7d5/0x2e90 fs/namei.c:3537
 do_filp_open+0x18c/0x3f0 fs/namei.c:3567
 do_sys_open+0x3b3/0x520 fs/open.c:1085
 do_syscall_64+0xf9/0x670 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x45de59
Code: 0d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 db b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f38ea6bdc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0000000000024a80 RCX: 000000000045de59
RDX: 0000000000000002 RSI: 0000000020000080 RDI: ffffffffffffff9c
RBP: 000000000118bf68 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000118bf2c
R13: 00007fff5ce9e96f R14: 00007f38ea6be9c0 R15: 000000000118bf2c
================================================================================
x_tables: ip6_tables: CLASSIFY target: used from hooks PREROUTING, but only usable from FORWARD/OUTPUT/POSTROUTING
x_tables: duplicate underflow at hook 2
xt_CT: You must specify a L4 protocol and not use inversions on it
x_tables: duplicate underflow at hook 1
netlink: 8 bytes leftover after parsing attributes in process `syz-executor.0'.
x_tables: duplicate underflow at hook 2
syz-executor.1 calls setitimer() with new_value NULL pointer. Misfeature support will be removed