Warning: Permanently added '10.128.0.7' (ED25519) to the list of known hosts. executing program [ 164.164695][ T4241] loop0: detected capacity change from 0 to 1024 [ 164.212246][ T269] ================================================================== [ 164.214494][ T269] BUG: KASAN: slab-out-of-bounds in copy_page_from_iter_atomic+0x9a4/0x1104 [ 164.216810][ T269] Read of size 2048 at addr ffff0000c8bcf000 by task kworker/u4:4/269 [ 164.219012][ T269] [ 164.219686][ T269] CPU: 0 PID: 269 Comm: kworker/u4:4 Not tainted 6.1.78-syzkaller #0 [ 164.221895][ T269] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 164.224630][ T269] Workqueue: loop0 loop_rootcg_workfn [ 164.226088][ T269] Call trace: [ 164.226998][ T269] dump_backtrace+0x1c8/0x1f4 [ 164.228291][ T269] show_stack+0x2c/0x3c [ 164.229444][ T269] dump_stack_lvl+0x108/0x170 [ 164.230704][ T269] print_report+0x174/0x4c0 [ 164.231957][ T269] kasan_report+0xd4/0x130 [ 164.233201][ T269] kasan_check_range+0x264/0x2a4 [ 164.234593][ T269] memcpy+0x48/0x90 [ 164.235661][ T269] copy_page_from_iter_atomic+0x9a4/0x1104 [ 164.237297][ T269] generic_perform_write+0x2fc/0x55c [ 164.238791][ T269] __generic_file_write_iter+0x168/0x388 [ 164.240375][ T269] generic_file_write_iter+0xb8/0x2b4 [ 164.241787][ T269] do_iter_write+0x534/0x964 [ 164.243024][ T269] vfs_iter_write+0x88/0xac [ 164.244326][ T269] loop_process_work+0x15b4/0x24a4 [ 164.245690][ T269] loop_rootcg_workfn+0x28/0x38 [ 164.247049][ T269] process_one_work+0x7ac/0x1404 [ 164.248402][ T269] worker_thread+0x8e4/0xfec [ 164.249664][ T269] kthread+0x250/0x2d8 [ 164.250829][ T269] ret_from_fork+0x10/0x20 [ 164.252097][ T269] [ 164.252693][ T269] Allocated by task 4241: [ 164.253901][ T269] kasan_set_track+0x4c/0x80 [ 164.255141][ T269] kasan_save_alloc_info+0x24/0x30 [ 164.256536][ T269] __kasan_kmalloc+0xac/0xc4 [ 164.257814][ T269] __kmalloc+0xd8/0x1c4 [ 164.258964][ T269] hfsplus_read_wrapper+0x3ac/0xfcc [ 164.260381][ T269] hfsplus_fill_super+0x2f0/0x166c [ 164.261742][ T269] mount_bdev+0x274/0x370 [ 164.262913][ T269] hfsplus_mount+0x44/0x58 [ 164.264093][ T269] legacy_get_tree+0xd4/0x16c [ 164.265390][ T269] vfs_get_tree+0x90/0x274 [ 164.266606][ T269] do_new_mount+0x278/0x8fc [ 164.267784][ T269] path_mount+0x590/0xe5c [ 164.268972][ T269] __arm64_sys_mount+0x45c/0x594 [ 164.270394][ T269] invoke_syscall+0x98/0x2c0 [ 164.271624][ T269] el0_svc_common+0x138/0x258 [ 164.272873][ T269] do_el0_svc+0x64/0x218 [ 164.274049][ T269] el0_svc+0x58/0x168 [ 164.275130][ T269] el0t_64_sync_handler+0x84/0xf0 [ 164.276520][ T269] el0t_64_sync+0x18c/0x190 [ 164.277756][ T269] [ 164.278394][ T269] The buggy address belongs to the object at ffff0000c8bcf000 [ 164.278394][ T269] which belongs to the cache kmalloc-512 of size 512 [ 164.282349][ T269] The buggy address is located 0 bytes inside of [ 164.282349][ T269] 512-byte region [ffff0000c8bcf000, ffff0000c8bcf200) [ 164.285892][ T269] [ 164.286535][ T269] The buggy address belongs to the physical page: [ 164.288368][ T269] page:00000000546c58c3 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x108bcc [ 164.291158][ T269] head:00000000546c58c3 order:2 compound_mapcount:0 compound_pincount:0 [ 164.293396][ T269] flags: 0x5ffc00000010200(slab|head|node=0|zone=2|lastcpupid=0x7ff) [ 164.295658][ T269] raw: 05ffc00000010200 fffffc00033c1300 dead000000000002 ffff0000c0002600 [ 164.298018][ T269] raw: 0000000000000000 0000000000100010 00000001ffffffff 0000000000000000 [ 164.300393][ T269] page dumped because: kasan: bad access detected [ 164.302187][ T269] [ 164.302804][ T269] Memory state around the buggy address: [ 164.304346][ T269] ffff0000c8bcf100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 164.306566][ T269] ffff0000c8bcf180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 164.308742][ T269] >ffff0000c8bcf200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 164.310892][ T269] ^ [ 164.312045][ T269] ffff0000c8bcf280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 164.314221][ T269] ffff0000c8bcf300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 164.316480][ T269] ================================================================== [ 164.318772][ T269] Disabling lock debugging due to kernel taint executing program [ 164.329255][ T4243] loop0: detected capacity change from 0 to 1024 executing program [ 164.369179][ T4244] loop0: detected capacity change from 0 to 1024 executing program [ 164.430081][ T4245] loop0: detected capacity change from 0 to 1024 executing program [ 164.487607][ T4246] loop0: detected capacity change from 0 to 1024 executing program [ 164.542615][ T4247] loop0: detected capacity change from 0 to 1024 executing program [ 164.607147][ T4248] loop0: detected capacity change from 0 to 1024 executing program [ 164.676731][ T4249] loop0: detected capacity change from 0 to 1024 executing program [ 164.729244][ T4250] loop0: detected capacity change from 0 to 1024 executing program [ 164.783452][ T4251] loop0: detected capacity change from 0 to 1024 executing program [ 164.840643][ T4252] loop0: detected capacity change from 0 to 1024 executing program [ 164.889644][ T4253] loop0: detected capacity change from 0 to 1024 executing program [ 164.939647][ T4254] loop0: detected capacity change from 0 to 1024 executing program [ 164.987383][ T4255] loop0: detected capacity change from 0 to 1024 executing program [ 165.029497][ T4256] loop0: detected capacity change from 0 to 1024 executing program [ 165.088757][ T4257] loop0: detected capacity change from 0 to 1024 executing program [ 165.164488][ T4258] loop0: detected capacity change from 0 to 1024 executing program [ 165.237592][ T4259] loop0: detected capacity change from 0 to 1024 executing program [ 165.278550][ T4260] loop0: detected capacity change from 0 to 1024 executing program [ 165.344728][ T4261] loop0: detected capacity change from 0 to 1024 executing program [ 165.397735][ T4262] loop0: detected capacity change from 0 to 1024 executing program [ 165.458190][ T4263] loop0: detected capacity change from 0 to 1024 executing program [ 165.529700][ T4264] loop0: detected capacity change from 0 to 1024 executing program [ 165.577096][ T4265] loop0: detected capacity change from 0 to 1024 executing program [ 165.627872][ T4266] loop0: detected capacity change from 0 to 1024 executing program [ 165.677456][ T4267] loop0: detected capacity change from 0 to 1024 executing program [ 165.741942][ T4268] loop0: detected capacity change from 0 to 1024 executing program [ 165.803161][ T4269] loop0: detected capacity change from 0 to 1024 executing program [ 165.867086][ T4270] loop0: detected capacity change from 0 to 1024 executing program [ 165.903528][ T4271] loop0: detected capacity change from 0 to 1024 executing program [ 165.949346][ T4272] loop0: detected capacity change from 0 to 1024 executing program [ 166.007828][ T4273] loop0: detected capacity change from 0 to 1024 executing program [ 166.073792][ T4274] loop0: detected capacity change from 0 to 1024 executing program [ 166.128341][ T4275] loop0: detected capacity change from 0 to 1024 executing program [ 166.169880][ T4276] loop0: detected capacity change from 0 to 1024 executing program [ 166.229288][ T4277] loop0: detected capacity change from 0 to 1024 executing program [ 166.277566][ T4278] loop0: detected capacity change from 0 to 1024 executing program [ 166.317736][ T4279] loop0: detected capacity change from 0 to 1024 executing program [ 166.378614][ T4280] loop0: detected capacity change from 0 to 1024 executing program [ 166.453543][ T4281] loop0: detected capacity change from 0 to 1024 executing program [ 166.507132][ T4282] loop0: detected capacity change from 0 to 1024 executing program [ 166.558310][ T4283] loop0: detected capacity change from 0 to 1024 executing program [ 166.620824][ T4284] loop0: detected capacity change from 0 to 1024 executing program [ 166.679592][ T4285] loop0: detected capacity change from 0 to 1024 executing program [ 166.756598][ T4286] loop0: detected capacity change from 0 to 1024 executing program [ 166.808641][ T4287] loop0: detected capacity change from 0 to 1024 executing program [ 166.868519][ T4288] loop0: detected capacity change from 0 to 1024 executing program [ 166.937342][ T4289] loop0: detected capacity change from 0 to 1024 executing program [ 166.990337][ T4290] loop0: detected capacity change from 0 to 1024 executing program [ 167.050901][ T4291] loop0: detected capacity change from 0 to 1024 executing program [ 167.099407][ T4292] loop0: detected capacity change from 0 to 1024 executing program [ 167.156937][ T4293] loop0: detected capacity change from 0 to 1024 executing program [ 167.208110][ T4294] loop0: detected capacity change from 0 to 1024 executing program [ 167.279481][ T4295] loop0: detected capacity change from 0 to 1024 executing program [ 167.368443][ T4242] I/O error, dev loop0, sector 32 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 2 [ 167.374727][ T4296] loop0: detected capacity change from 0 to 1024 executing program [ 167.438821][ T4297] loop0: detected capacity change from 0 to 1024 executing program [ 167.506916][ T4298] loop0: detected capacity change from 0 to 1024 executing program [ 167.567389][ T4299] loop0: detected capacity change from 0 to 1024 executing program [ 167.608131][ T4300] loop0: detected capacity change from 0 to 1024 executing program [ 167.669404][ T4301] loop0: detected capacity change from 0 to 1024 executing program [ 167.717113][ T4302] loop0: detected capacity change from 0 to 1024 executing program [ 167.767493][ T4303] loop0: detected capacity change from 0 to 1024 executing program [ 167.812370][ T4304] loop0: detected capacity change from 0 to 1024 executing program [ 167.868194][ T4305] loop0: detected capacity change from 0 to 1024 executing program [ 167.918538][ T4306] loop0: detected capacity change from 0 to 1024 executing program [ 167.988582][ T4307] loop0: detected capacity change from 0 to 1024 executing program [ 168.028806][ T4308] loop0: detected capacity change from 0 to 1024 executing program [ 168.084296][ T4309] loop0: detected capacity change from 0 to 1024 executing program [ 168.139315][ T4310] loop0: detected capacity change from 0 to 1024 executing program [ 168.180660][ T4311] loop0: detected capacity change from 0 to 1024 executing program [ 168.227323][ T4312] loop0: detected capacity change from 0 to 1024 executing program [ 168.290319][ T4313] loop0: detected capacity change from 0 to 1024 executing program [ 168.337787][ T4314] loop0: detected capacity change from 0 to 1024 executing program [ 168.387780][ T4315] loop0: detected capacity change from 0 to 1024 executing program [ 168.437922][ T4316] loop0: detected capacity change from 0 to 1024 executing program [ 168.488082][ T4317] loop0: detected capacity change from 0 to 1024 executing program [ 168.537994][ T4318] loop0: detected capacity change from 0 to 1024 executing program [ 168.586766][ T4319] loop0: detected capacity change from 0 to 1024 executing program [ 168.639886][ T4320] loop0: detected capacity change from 0 to 1024 executing program [ 168.709231][ T4321] loop0: detected capacity change from 0 to 1024 executing program [ 168.756916][ T4322] loop0: detected capacity change from 0 to 1024 executing program [ 168.820716][ T4323] loop0: detected capacity change from 0 to 1024 executing program [ 168.867300][ T4324] loop0: detected capacity change from 0 to 1024 executing program [ 168.923243][ T4325] loop0: detected capacity change from 0 to 1024 executing program [ 168.971958][ T4326] loop0: detected capacity change from 0 to 1024 executing program [ 169.022679][ T4327] loop0: detected capacity change from 0 to 1024 executing program [ 169.069478][ T4328] loop0: detected capacity change from 0 to 1024 executing program [ 169.127842][ T4329] loop0: detected capacity change from 0 to 1024 executing program [ 169.181169][ T4330] loop0: detected capacity change from 0 to 1024 executing program [ 169.238401][ T4331] loop0: detected capacity change from 0 to 1024 executing program [ 169.311390][ T4332] loop0: detected capacity change from 0 to 1024 executing program [ 169.360151][ T4333] loop0: detected capacity change from 0 to 1024 executing program [ 169.409510][ T4334] loop0: detected capacity change from 0 to 1024 executing program [ 169.472243][ T4335] loop0: detected capacity change from 0 to 1024 executing program [ 169.560296][ T4336] loop0: detected capacity change from 0 to 1024 executing program [ 169.609480][ T4337] loop0: detected capacity change from 0 to 1024 executing program [ 169.658433][ T4338] loop0: detected capacity change from 0 to 1024 executing program [ 169.744931][ T4339] loop0: detected capacity change from 0 to 1024 executing program [ 169.778304][ T4340] loop0: detected capacity change from 0 to 1024 executing program [ 169.839543][ T4341] loop0: detected capacity change from 0 to 1024 executing program [ 169.890445][ T4342] loop0: detected capacity change from 0 to 1024 executing program [ 169.939109][ T4343] loop0: detected capacity change from 0 to 1024 executing program [ 170.013335][ T4344] loop0: detected capacity change from 0 to 1024 executing program [ 170.068383][ T4345] loop0: detected capacity change from 0 to 1024 executing program [ 170.141831][ T4346] loop0: detected capacity change from 0 to 1024 executing program [ 170.204586][ T4347] loop0: detected capacity change from 0 to 1024 executing program [ 170.237051][ T4348] loop0: detected capacity change from 0 to 1024 executing program [ 170.298029][ T4349] loop0: detected capacity change from 0 to 1024 executing program [ 170.360104][ T4350] loop0: detected capacity change from 0 to 1024 executing program [ 170.434313][ T4351] loop0: detected capacity change from 0 to 1024 executing program [ 170.472508][ T4352] loop0: detected capacity change from 0 to 1024 executing program [ 170.547307][ T4353] loop0: detected capacity change from 0 to 1024 executing program [ 170.618339][ T4354] loop0: detected capacity change from 0 to 1024 executing program [ 170.687824][ T4355] loop0: detected capacity change from 0 to 1024 executing program [ 170.760180][ T4356] loop0: detected capacity change from 0 to 1024 executing program [ 170.820523][ T4357] loop0: detected capacity change from 0 to 1024 executing program [ 170.904485][ T4358] loop0: detected capacity change from 0 to 1024 executing program [ 170.965490][ T4359] loop0: detected capacity change from 0 to 1024 executing program [ 171.018746][ T4360] loop0: detected capacity change from 0 to 1024 executing program [ 171.067329][ T4361] loop0: detected capacity change from 0 to 1024 executing program [ 171.128551][ T4362] loop0: detected capacity change from 0 to 1024 executing program [ 171.198466][ T4363] loop0: detected capacity change from 0 to 1024 executing program [ 171.259030][ T4364] loop0: detected capacity change from 0 to 1024 executing program [ 171.312345][ T4365] loop0: detected capacity change from 0 to 1024 executing program [ 171.358075][ T4366] loop0: detected capacity change from 0 to 1024 executing program [ 171.408350][ T4367] loop0: detected capacity change from 0 to 1024 executing program [ 171.475205][ T4368] loop0: detected capacity change from 0 to 1024 executing program [ 171.509015][ T4369] loop0: detected capacity change from 0 to 1024 executing program [ 171.580980][ T4370] loop0: detected capacity change from 0 to 1024 executing program [ 171.627979][ T4371] loop0: detected capacity change from 0 to 1024 executing program [ 171.672187][ T4372] loop0: detected capacity change from 0 to 1024 executing program [ 171.726779][ T4373] loop0: detected capacity change from 0 to 1024 executing program [ 171.801246][ T4374] loop0: detected capacity change from 0 to 1024 executing program [ 171.864095][ T4375] loop0: detected capacity change from 0 to 1024 executing program [ 171.896945][ T4376] loop0: detected capacity change from 0 to 1024 executing program [ 171.961384][ T4377] loop0: detected capacity change from 0 to 1024 executing program [ 172.040966][ T4378] loop0: detected capacity change from 0 to 1024 executing program [ 172.098455][ T4379] loop0: detected capacity change from 0 to 1024 executing program [ 172.147337][ T4380] loop0: detected capacity change from 0 to 1024 executing program [ 172.197941][ T4381] loop0: detected capacity change from 0 to 1024 executing program [ 172.247912][ T4382] loop0: detected capacity change from 0 to 1024 executing program [ 172.304578][ T4383] loop0: detected capacity change from 0 to 1024 executing program [ 172.357191][ T4384] loop0: detected capacity change from 0 to 1024 executing program [ 172.408767][ T4385] loop0: detected capacity change from 0 to 1024 executing program [ 172.467755][ T4386] loop0: detected capacity change from 0 to 1024 executing program [ 172.529297][ T4387] loop0: detected capacity change from 0 to 1024 executing program [ 172.566942][ T4388] loop0: detected capacity change from 0 to 1024 executing program [ 172.617728][ T4389] loop0: detected capacity change from 0 to 1024 executing program [ 172.668425][ T4390] loop0: detected capacity change from 0 to 1024 executing program [ 172.760023][ T4391] loop0: detected capacity change from 0 to 1024 executing program [ 172.822036][ T4392] loop0: detected capacity change from 0 to 1024 executing program [ 172.870792][ T4393] loop0: detected capacity change from 0 to 1024 executing program [ 172.927090][ T4394] loop0: detected capacity change from 0 to 1024 executing program [ 172.979770][ T4395] loop0: detected capacity change from 0 to 1024 executing program [ 173.041093][ T4396] loop0: detected capacity change from 0 to 1024 executing program [ 173.086454][ T4397] loop0: detected capacity change from 0 to 1024 executing program [ 173.116654][ T4398] loop0: detected capacity change from 0 to 1024 executing program [ 173.188017][ T4399] loop0: detected capacity change from 0 to 1024 executing program [ 173.249166][ T4400] loop0: detected capacity change from 0 to 1024 executing program [ 173.306961][ T4401] loop0: detected capacity change from 0 to 1024 executing program [ 173.348205][ T4402] loop0: detected capacity change from 0 to 1024 executing program [ 173.410290][ T4403] loop0: detected capacity change from 0 to 1024 executing program [ 173.450047][ T4404] loop0: detected capacity change from 0 to 1024 executing program [ 173.517106][ T4405] loop0: detected capacity change from 0 to 1024 executing program [ 173.572248][ T4406] loop0: detected capacity change from 0 to 1024 executing program [ 173.617145][ T4407] loop0: detected capacity change from 0 to 1024 executing program [ 173.670610][ T4408] loop0: detected capacity change from 0 to 1024 executing program [ 173.732036][ T4409] loop0: detected capacity change from 0 to 1024 executing program [ 173.762334][ T4410] loop0: detected capacity change from 0 to 1024 executing program [ 173.798244][ T4411] loop0: detected capacity change from 0 to 1024 executing program [ 173.851240][ T4412] loop0: detected capacity change from 0 to 1024 executing program [ 173.899157][ T4413] loop0: detected capacity change from 0 to 1024 executing program [ 173.967200][ T4414] loop0: detected capacity change from 0 to 1024 executing program [ 174.018015][ T4415] loop0: detected capacity change from 0 to 1024 executing program [ 174.081776][ T4416] loop0: detected capacity change from 0 to 1024 executing program [ 174.126762][ T4417] loop0: detected capacity change from 0 to 1024 executing program [ 174.177029][ T4418] loop0: detected capacity change from 0 to 1024