Warning: Permanently added '10.128.0.249' (ED25519) to the list of known hosts.
executing program
[   34.141269][ T6242] loop0: detected capacity change from 0 to 2048
[   34.152330][ T6243] NILFS (loop0): segctord starting. Construction interval = 5 seconds, CP frequency < 30 seconds
[   34.160636][ T6242] ------------[ cut here ]------------
[   34.162145][ T6242] UBSAN: array-index-out-of-bounds in fs/nilfs2/dir.c:257:18
[   34.164086][ T6242] index 15 is out of range for type 'unsigned char[15]'
[   34.165894][ T6242] CPU: 0 PID: 6242 Comm: syz-executor268 Not tainted 6.9.0-rc3-syzkaller-gb5d2afe8745b #0
[   34.168349][ T6242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[   34.170941][ T6242] Call trace:
[   34.171772][ T6242]  dump_backtrace+0x1b8/0x1e4
[   34.172922][ T6242]  show_stack+0x2c/0x3c
[   34.174056][ T6242]  dump_stack_lvl+0xe4/0x150
[   34.175354][ T6242]  dump_stack+0x1c/0x28
[   34.176472][ T6242]  __ubsan_handle_out_of_bounds+0xf8/0x148
[   34.178045][ T6242]  nilfs_add_link+0xb64/0xc10
[   34.179320][ T6242]  nilfs_link+0x12c/0x1f8
[   34.180488][ T6242]  vfs_link+0x3e8/0x560
[   34.181614][ T6242]  do_linkat+0x2e0/0x620
[   34.182681][ T6242]  __arm64_sys_linkat+0xe4/0x100
[   34.183956][ T6242]  invoke_syscall+0x98/0x2b8
[   34.185209][ T6242]  el0_svc_common+0x130/0x23c
[   34.186486][ T6242]  do_el0_svc+0x48/0x58
[   34.187549][ T6242]  el0_svc+0x54/0x168
[   34.188697][ T6242]  el0t_64_sync_handler+0x84/0xfc
[   34.189991][ T6242]  el0t_64_sync+0x190/0x194
[   34.191532][ T6242] ---[ end trace ]---
[   34.192574][ T6242] ==================================================================
[   34.194634][ T6242] BUG: KASAN: global-out-of-bounds in nilfs_add_link+0xac4/0xc10
[   34.196548][ T6242] Read of size 1 at addr ffff80008b394c8f by task syz-executor268/6242
[   34.198661][ T6242] 
[   34.199292][ T6242] CPU: 0 PID: 6242 Comm: syz-executor268 Not tainted 6.9.0-rc3-syzkaller-gb5d2afe8745b #0
[   34.201852][ T6242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
[   34.204488][ T6242] Call trace:
[   34.205315][ T6242]  dump_backtrace+0x1b8/0x1e4
[   34.206545][ T6242]  show_stack+0x2c/0x3c
[   34.207717][ T6242]  dump_stack_lvl+0xe4/0x150
[   34.208921][ T6242]  print_report+0x198/0x538
[   34.210160][ T6242]  kasan_report+0xd8/0x138
[   34.211315][ T6242]  __asan_report_load1_noabort+0x20/0x2c
[   34.212895][ T6242]  nilfs_add_link+0xac4/0xc10
[   34.214168][ T6242]  nilfs_link+0x12c/0x1f8
[   34.215395][ T6242]  vfs_link+0x3e8/0x560
[   34.216534][ T6242]  do_linkat+0x2e0/0x620
[   34.217605][ T6242]  __arm64_sys_linkat+0xe4/0x100
[   34.218848][ T6242]  invoke_syscall+0x98/0x2b8
[   34.220039][ T6242]  el0_svc_common+0x130/0x23c
[   34.221255][ T6242]  do_el0_svc+0x48/0x58
[   34.222384][ T6242]  el0_svc+0x54/0x168
[   34.223332][ T6242]  el0t_64_sync_handler+0x84/0xfc
[   34.224640][ T6242]  el0t_64_sync+0x190/0x194
[   34.225882][ T6242] 
[   34.226480][ T6242] The buggy address belongs to the variable:
[   34.228093][ T6242]  nilfs_type_by_mode+0xf/0x40
[   34.229314][ T6242] 
[   34.229919][ T6242] The buggy address belongs to the virtual mapping at
[   34.229919][ T6242]  [ffff80008af80000, ffff80008e9c0000) created by:
[   34.229919][ T6242]  declare_kernel_vmas+0x58/0xb8
[   34.234583][ T6242] 
[   34.235242][ T6242] The buggy address belongs to the physical page:
[   34.237001][ T6242] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1a9f94
[   34.239284][ T6242] flags: 0x5ffe00000004000(reserved|node=0|zone=2|lastcpupid=0xfff)
[   34.241406][ T6242] page_type: 0xffffffff()
[   34.242500][ T6242] raw: 05ffe00000004000 fffffdffc5a7e508 fffffdffc5a7e508 0000000000000000
[   34.244779][ T6242] raw: 0000000000000000 0000000000000000 00000001ffffffff 0000000000000000
[   34.247035][ T6242] page dumped because: kasan: bad access detected
[   34.248729][ T6242] 
[   34.249326][ T6242] Memory state around the buggy address:
[   34.250800][ T6242]  ffff80008b394b80: f9 f9 f9 f9 00 00 00 00 00 00 00 00 06 f9 f9 f9
[   34.252976][ T6242]  ffff80008b394c00: f9 f9 f9 f9 00 00 00 00 00 00 00 f9 f9 f9 f9 f9
[   34.255126][ T6242] >ffff80008b394c80: 00 07 f9 f9 00 00 00 00 00 00 00 00 00 02 f9 f9
[   34.257227][ T6242]                       ^
[   34.258288][ T6242]  ffff80008b394d00: f9 f9 f9 f9 00 00 01 f9 f9 f9 f9 f9 00 f9 f9 f9
[   34.260472][ T6242]  ffff80008b394d80: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
[   34.262463][ T6242] ==================================================================
[   34.264742][ T6242] Disabling lock debugging due to kernel taint