SQUASHFS error: Unable to read metadata cache entry [131] SQUASHFS error: Unable to read inode 0x2b001e squashfs: SQUASHFS error: Major/Minor mismatch, trying to mount newer 4.206 filesystem squashfs: SQUASHFS error: Major/Minor mismatch, trying to mount newer 4.4 filesystem ================================================================== BUG: KASAN: slab-out-of-bounds in squashfs_get_id+0x1ae/0x1d0 fs/squashfs/id.c:51 Read of size 8 at addr ffff8880a32a4560 by task syz-executor.1/6245 CPU: 1 PID: 6245 Comm: syz-executor.1 Not tainted 4.19.172-syzkaller #0 squashfs: SQUASHFS error: Please update your kernel 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+0x1fc/0x2ef lib/dump_stack.c:118 print_address_description.cold+0x54/0x219 mm/kasan/report.c:256 kasan_report_error.cold+0x8a/0x1b9 mm/kasan/report.c:354 kasan_report mm/kasan/report.c:412 [inline] __asan_report_load8_noabort+0x88/0x90 mm/kasan/report.c:433 squashfs_get_id+0x1ae/0x1d0 fs/squashfs/id.c:51 squashfs_new_inode fs/squashfs/inode.c:64 [inline] squashfs_read_inode+0x1b4/0x1b40 fs/squashfs/inode.c:133 squashfs_fill_super+0x1655/0x1c00 fs/squashfs/super.c:318 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: 0033:0x46702a 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:00007fcdafae8fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 000000000046702a RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fcdafae9000 RBP: 00007fcdafae9040 R08: 00007fcdafae9040 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000 R13: 0000000020000100 R14: 00007fcdafae9000 R15: 0000000020010300 Allocated by task 8102: __do_kmalloc_node mm/slab.c:3689 [inline] __kmalloc_node+0x4c/0x70 mm/slab.c:3696 kmalloc_node include/linux/slab.h:557 [inline] kvmalloc_node+0x61/0xf0 mm/util.c:423 xt_jumpstack_alloc net/netfilter/x_tables.c:1328 [inline] xt_replace_table+0x190/0x640 net/netfilter/x_tables.c:1374 __do_replace+0x1d7/0x870 net/ipv6/netfilter/ip6_tables.c:1087 do_replace net/ipv6/netfilter/ip6_tables.c:1160 [inline] do_ip6t_set_ctl+0x2d2/0x430 net/ipv6/netfilter/ip6_tables.c:1684 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x6f/0xc0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt+0x103/0x160 net/ipv6/ipv6_sockglue.c:945 tcp_setsockopt+0x86/0xd0 net/ipv4/tcp.c:3097 __sys_setsockopt+0x14d/0x240 net/socket.c:1901 __do_sys_setsockopt net/socket.c:1912 [inline] __se_sys_setsockopt net/socket.c:1909 [inline] __x64_sys_setsockopt+0xba/0x150 net/socket.c:1909 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe Freed by task 8102: __cache_free mm/slab.c:3503 [inline] kfree+0xcc/0x210 mm/slab.c:3822 kvfree+0x59/0x60 mm/util.c:452 xt_free_table_info+0xb6/0x180 net/netfilter/x_tables.c:1197 __do_replace+0x6ab/0x870 net/ipv6/netfilter/ip6_tables.c:1107 do_replace net/ipv6/netfilter/ip6_tables.c:1160 [inline] do_ip6t_set_ctl+0x2d2/0x430 net/ipv6/netfilter/ip6_tables.c:1684 nf_sockopt net/netfilter/nf_sockopt.c:106 [inline] nf_setsockopt+0x6f/0xc0 net/netfilter/nf_sockopt.c:115 ipv6_setsockopt+0x103/0x160 net/ipv6/ipv6_sockglue.c:945 tcp_setsockopt+0x86/0xd0 net/ipv4/tcp.c:3097 __sys_setsockopt+0x14d/0x240 net/socket.c:1901 __do_sys_setsockopt net/socket.c:1912 [inline] __se_sys_setsockopt net/socket.c:1909 [inline] __x64_sys_setsockopt+0xba/0x150 net/socket.c:1909 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe The buggy address belongs to the object at ffff8880a32a4540 which belongs to the cache kmalloc-32 of size 32 The buggy address is located 0 bytes to the right of 32-byte region [ffff8880a32a4540, ffff8880a32a4560) The buggy address belongs to the page: page:ffffea00028ca900 count:1 mapcount:0 mapping:ffff88813bff01c0 index:0xffff8880a32a4fc1 flags: 0xfff00000000100(slab) raw: 00fff00000000100 ffffea0002855648 ffffea0002623648 ffff88813bff01c0 raw: ffff8880a32a4fc1 ffff8880a32a4000 0000000100000012 0000000000000000 page dumped because: kasan: bad access detected Memory state around the buggy address: ffff8880a32a4400: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc ffff8880a32a4480: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc >ffff8880a32a4500: 00 fc fc fc fc fc fc fc fb fb fb fb fc fc fc fc ^ ffff8880a32a4580: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc ffff8880a32a4600: fb fb fb fb fc fc fc fc fb fb fb fb fc fc fc fc ================================================================== squashfs: SQUASHFS error: Please update your kernel SQUASHFS error: squashfs_read_data failed to read block 0x132 SQUASHFS error: Unable to read metadata cache entry [132]