Warning: Permanently added '10.128.0.125' (ED25519) to the list of known hosts. executing program [ 36.441565][ T4222] loop0: detected capacity change from 0 to 2048 [ 36.444916][ T4222] ======================================================= [ 36.444916][ T4222] WARNING: The mand mount option has been deprecated and [ 36.444916][ T4222] and is ignored by this kernel. Remove the mand [ 36.444916][ T4222] option from the mount to silence this warning. [ 36.444916][ T4222] ======================================================= [ 36.456915][ T4222] UDF-fs: error (device loop0): udf_read_tagged: tag checksum failed, block 99: 0x27 != 0x4d [ 36.461686][ T4222] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 36.468706][ T4222] ================================================================== [ 36.470809][ T4222] BUG: KASAN: slab-out-of-bounds in udf_write_aext+0x4c0/0x668 [ 36.472729][ T4222] Write of size 4 at addr ffff0000d67b1bf0 by task syz-executor209/4222 [ 36.474839][ T4222] [ 36.475468][ T4222] CPU: 0 PID: 4222 Comm: syz-executor209 Not tainted 6.1.93-syzkaller #0 [ 36.477676][ T4222] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 [ 36.480321][ T4222] Call trace: [ 36.481171][ T4222] dump_backtrace+0x1c8/0x1f4 [ 36.482428][ T4222] show_stack+0x2c/0x3c [ 36.483522][ T4222] dump_stack_lvl+0x108/0x170 [ 36.484754][ T4222] print_report+0x174/0x4c0 [ 36.485995][ T4222] kasan_report+0xd4/0x130 [ 36.487165][ T4222] __asan_report_store_n_noabort+0x28/0x34 [ 36.488680][ T4222] udf_write_aext+0x4c0/0x668 [ 36.489887][ T4222] udf_add_entry+0x11e0/0x28b0 [ 36.491109][ T4222] udf_mkdir+0x158/0x7e0 [ 36.492242][ T4222] vfs_mkdir+0x334/0x4e4 [ 36.493391][ T4222] do_mkdirat+0x220/0x510 [ 36.494549][ T4222] __arm64_sys_mkdirat+0x90/0xa8 [ 36.495817][ T4222] invoke_syscall+0x98/0x2c0 [ 36.496996][ T4222] el0_svc_common+0x138/0x258 [ 36.498200][ T4222] do_el0_svc+0x64/0x218 [ 36.499312][ T4222] el0_svc+0x58/0x168 [ 36.500363][ T4222] el0t_64_sync_handler+0x84/0xf0 [ 36.501670][ T4222] el0t_64_sync+0x18c/0x190 [ 36.502948][ T4222] [ 36.503547][ T4222] Allocated by task 3843: [ 36.504654][ T4222] kasan_set_track+0x4c/0x80 [ 36.505845][ T4222] kasan_save_alloc_info+0x24/0x30 [ 36.507176][ T4222] __kasan_kmalloc+0xac/0xc4 [ 36.508360][ T4222] __kmalloc_node_track_caller+0xd0/0x1c0 [ 36.509858][ T4222] __alloc_skb+0x180/0x580 [ 36.511015][ T4222] netlink_sendmsg+0x634/0xb18 [ 36.512252][ T4222] ____sys_sendmsg+0x55c/0x848 [ 36.513485][ T4222] __sys_sendmsg+0x26c/0x33c [ 36.514685][ T4222] __arm64_sys_sendmsg+0x80/0x94 [ 36.515950][ T4222] invoke_syscall+0x98/0x2c0 [ 36.517136][ T4222] el0_svc_common+0x138/0x258 [ 36.518334][ T4222] do_el0_svc+0x64/0x218 [ 36.519427][ T4222] el0_svc+0x58/0x168 [ 36.520481][ T4222] el0t_64_sync_handler+0x84/0xf0 [ 36.521793][ T4222] el0t_64_sync+0x18c/0x190 [ 36.522990][ T4222] [ 36.523563][ T4222] The buggy address belongs to the object at ffff0000d67b1800 [ 36.523563][ T4222] which belongs to the cache kmalloc-512 of size 512 [ 36.527236][ T4222] The buggy address is located 496 bytes to the right of [ 36.527236][ T4222] 512-byte region [ffff0000d67b1800, ffff0000d67b1a00) [ 36.530870][ T4222] [ 36.531488][ T4222] The buggy address belongs to the physical page: [ 36.533161][ T4222] page:000000001f182754 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1167b0 [ 36.535841][ T4222] head:000000001f182754 order:2 compound_mapcount:0 compound_pincount:0 [ 36.537959][ T4222] flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff) [ 36.540073][ T4222] raw: 05ffc00000010200 fffffc000374e200 dead000000000002 ffff0000c0002600 [ 36.542302][ T4222] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 36.544497][ T4222] page dumped because: kasan: bad access detected [ 36.546174][ T4222] [ 36.546781][ T4222] Memory state around the buggy address: [ 36.548245][ T4222] ffff0000d67b1a80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 36.550340][ T4222] ffff0000d67b1b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 36.552407][ T4222] >ffff0000d67b1b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 36.554484][ T4222] ^ [ 36.556446][ T4222] ffff0000d67b1c00: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 36.558572][ T4222] ffff0000d67b1c80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 36.560690][ T4222] ================================================================== [ 36.563501][ T4222] Disabling lock debugging due to kernel taint executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program