loop4: p163 size 4211081216 extends beyond EOD, truncated loop4: p164 start 591104 is beyond EOD, truncated loop4: p165 size 4211081216 extends beyond EOD, truncated loop4: p166 start 591104 is beyond EOD, truncated loop4: p167 size 4211081216 extends beyond EOD, truncated loop4: p168 start 591104 is beyond EOD, truncated loop4: p169 size 4211081216 extends beyond EOD, ================================================================== BUG: KCSAN: data-race in console_flush_all / console_flush_all write to 0xffffffff86a1d408 of 8 bytes by task 5639 on cpu 0: console_emit_next_record kernel/printk/printk.c:3099 [inline] console_flush_all+0x35a/0x730 kernel/printk/printk.c:3226 __console_flush_and_unlock kernel/printk/printk.c:3285 [inline] console_unlock+0xa1/0x330 kernel/printk/printk.c:3325 vprintk_emit+0x388/0x650 kernel/printk/printk.c:2450 vprintk_default+0x26/0x30 kernel/printk/printk.c:2465 vprintk+0x1d/0x30 kernel/printk/printk_safe.c:82 _printk+0x79/0xa0 kernel/printk/printk.c:2475 isofs_read_inode fs/isofs/inode.c:1370 [inline] __isofs_iget+0xe68/0x10a0 fs/isofs/inode.c:1509 isofs_iget fs/isofs/isofs.h:133 [inline] isofs_get_blocks+0x185/0x490 fs/isofs/inode.c:1064 isofs_get_block fs/isofs/inode.c:1117 [inline] isofs_bmap fs/isofs/inode.c:1128 [inline] isofs_bread+0x5b/0x100 fs/isofs/inode.c:1136 isofs_find_entry fs/isofs/namei.c:59 [inline] isofs_lookup+0x18c/0x8f0 fs/isofs/namei.c:165 __lookup_slow+0x193/0x250 fs/namei.c:1817 lookup_slow+0x3c/0x60 fs/namei.c:1834 walk_component fs/namei.c:2138 [inline] link_path_walk+0x71d/0x8b0 fs/namei.c:2503 path_parentat fs/namei.c:2707 [inline] __filename_parentat+0x15c/0x3f0 fs/namei.c:2731 filename_parentat fs/namei.c:2749 [inline] filename_create+0x79/0x290 fs/namei.c:4113 do_mkdirat+0x52/0x3f0 fs/namei.c:4384 __do_sys_mkdirat fs/namei.c:4409 [inline] __se_sys_mkdirat fs/namei.c:4407 [inline] __x64_sys_mkdirat+0x4c/0x60 fs/namei.c:4407 x64_sys_call+0x2be0/0x2fb0 arch/x86/include/generated/asm/syscalls_64.h:259 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd0/0x1a0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffffffff86a1d408 of 8 bytes by task 5548 on cpu 1: console_flush_all+0x563/0x730 kernel/printk/printk.c:3227 __console_flush_and_unlock kernel/printk/printk.c:3285 [inline] console_unlock+0xa1/0x330 kernel/printk/printk.c:3325 vprintk_emit+0x388/0x650 kernel/printk/printk.c:2450 vprintk_default+0x26/0x30 kernel/printk/printk.c:2465 vprintk+0x1d/0x30 kernel/printk/printk_safe.c:82 _printk+0x79/0xa0 kernel/printk/printk.c:2475 blk_add_partition block/partitions/core.c:549 [inline] blk_add_partitions block/partitions/core.c:633 [inline] bdev_disk_changed+0x874/0xcb0 block/partitions/core.c:693 loop_reread_partitions drivers/block/loop.c:436 [inline] loop_set_status+0x516/0x5c0 drivers/block/loop.c:1266 lo_ioctl+0x75b/0x15d0 drivers/block/loop.c:-1 blkdev_ioctl+0x352/0x440 block/ioctl.c:704 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xcb/0x140 fs/ioctl.c:892 __x64_sys_ioctl+0x43/0x50 fs/ioctl.c:892 x64_sys_call+0x19a8/0x2fb0 arch/x86/include/generated/asm/syscalls_64.h:17 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xd0/0x1a0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x0000000000000e97 -> 0x0000000000000e98 Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 5548 Comm: syz.4.540 Not tainted 6.15.0-rc6-syzkaller-00105-g088d13246a46 #0 PREEMPT(voluntary) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025 ================================================================== truncated loop4: p170 start 591104 is beyond EOD, truncated loop4: p171 size 4211081216 extends beyond EOD, truncated loop4: p172 start 591104 is beyond EOD, truncated loop4: p173 size 4211081216 extends beyond EOD, truncated loop4: p174 start 591104 is beyond EOD, truncated loop4: p175 size 4211081216 extends beyond EOD, truncated loop4: p176 start 591104 is beyond EOD, truncated loop4: p177 size 4211081216 extends beyond EOD, truncated loop4: p178 start 591104 is beyond EOD, truncated loop4: p179 size 4211081216 extends beyond EOD, truncated loop4: p180 start 591104 is beyond EOD, truncated loop4: p181 size 4211081216 extends beyond EOD, truncated loop4: p182 start 591104 is beyond EOD, truncated loop4: p183 size 4211081216 extends beyond EOD, truncated loop4: p184 start 591104 is beyond EOD, truncated loop4: p185 size 4211081216 extends beyond EOD, truncated loop4: p186 start 591104 is beyond EOD, truncated loop4: p187 size 4211081216 extends beyond EOD, truncated loop4: p188 start 591104 is beyond EOD, truncated loop4: p189 size 4211081216 extends beyond EOD, truncated loop4: p190 start 591104 is beyond EOD, truncated loop4: p191 size 4211081216 extends beyond EOD, truncated loop4: p192 start 591104 is beyond EOD, truncated loop4: p193 size 4211081216 extends beyond EOD, truncated loop4: p194 start 591104 is beyond EOD, truncated loop4: p195 size 4211081216 extends beyond EOD, truncated loop4: p196 start 591104 is beyond EOD, truncated loop4: p197 size 4211081216 extends beyond EOD, truncated loop4: p198 start 591104 is beyond EOD, truncated loop4: p199 size 4211081216 extends beyond EOD, truncated loop4: p200 start 591104 is beyond EOD, truncated loop4: p201 size 4211081216 extends beyond EOD, truncated loop4: p202 start 591104 is beyond EOD, truncated loop4: p203 size 4211081216 extends beyond EOD, truncated loop4: p204 start 591104 is beyond EOD, truncated loop4: p205 size 4211081216 extends beyond EOD, truncated loop4: p206 start 591104 is beyond EOD, truncated loop4: p207 size 4211081216 extends beyond EOD, truncated loop4: p208 start 591104 is beyond EOD, truncated loop4: p209 size 4211081216 extends beyond EOD, truncated loop4: p210 start 591104 is beyond EOD, truncated loop4: p211 size 4211081216 extends beyond EOD, truncated loop4: p212 start 591104 is beyond EOD, truncated loop4: p213 size 4211081216 extends beyond EOD, truncated loop4: p214 start 591104 is beyond EOD, truncated loop4: p215 size 4211081216 extends beyond EOD, truncated loop4: p216 start 591104 is beyond EOD, truncated loop4: p217 size 4211081216 extends beyond EOD, truncated loop4: p218 start 591104 is beyond EOD, truncated loop4: p219 size 4211081216 extends beyond EOD, truncated loop4: p220 start 591104 is beyond EOD, truncated loop4: p221 size 4211081216 extends beyond EOD, truncated loop4: p222 start 591104 is beyond EOD, truncated loop4: p223 size 4211081216 extends beyond EOD, truncated loop4: p224 start 591104 is beyond EOD, truncated loop4: p225 size 4211081216 extends beyond EOD, truncated loop4: p226 start 591104 is beyond EOD, truncated loop4: p227 size 4211081216 extends beyond EOD, truncated loop4: p228 start 591104 is beyond EOD, truncated loop4: p229 size 4211081216 extends beyond EOD, truncated loop4: p230 start 591104 is beyond EOD, truncated loop4: p231 size 4211081216 extends beyond EOD, truncated loop4: p232 start 591104 is beyond EOD, truncated loop4: p233 size 4211081216 extends beyond EOD, truncated loop4: p234 start 591104 is beyond EOD, truncated loop4: p235 size 4211081216 extends beyond EOD, truncated loop4: p236 start 591104 is beyond EOD, truncated loop4: p237 size 4211081216 extends beyond EOD, truncated loop4: p238 start 591104 is beyond EOD, truncated loop4: p239 size 4211081216 extends beyond EOD, truncated loop4: p240 start 591104 is beyond EOD, truncated loop4: p241 size 4211081216 extends beyond EOD, truncated loop4: p242 start 591104 is beyond EOD, truncated loop4: p243 size 4211081216 extends beyond EOD, truncated loop4: p244 start 591104 is beyond EOD, truncated loop4: p245 size 4211081216 extends beyond EOD, truncated loop4: p246 start 591104 is beyond EOD, truncated loop4: p247 size 4211081216 extends beyond EOD, truncated loop4: p248 start 591104 is beyond EOD, truncated loop4: p249 size 4211081216 extends beyond EOD, truncated loop4: p250 start 591104 is beyond EOD, truncated loop4: p251 size 4211081216 extends beyond EOD, truncated loop4: p252 start 591104 is beyond EOD, truncated loop4: p253 size 4211081216 extends beyond EOD, truncated loop4: p254 start 591104 is beyond EOD, truncated loop4: p255 size 4211081216 extends beyond EOD, truncated