loop0: p12 size 108986237 extends beyond EOD, truncated loop0: p13 size 108986237 extends beyond EOD, truncated loop0: p14 size 108986237 extends beyond EOD, truncated loop0: p15 size 108986237 extends beyond EOD, truncated loop0: p16 size 108986237 extends beyond EOD, ================================================================== BUG: KCSAN: data-race in data_push_tail / string write to 0xffffffff88bf797c of 1 bytes by task 8313 on cpu 0: string_nocheck lib/vsprintf.c:636 [inline] string+0x17f/0x210 lib/vsprintf.c:714 vsnprintf+0x537/0x890 lib/vsprintf.c:2843 vscnprintf+0x42/0x90 lib/vsprintf.c:2908 printk_sprint+0x30/0x2d0 kernel/printk/printk.c:2216 vprintk_store+0x589/0x870 kernel/printk/printk.c:2336 vprintk_emit+0x168/0x690 kernel/printk/printk.c:2408 vprintk_default+0x26/0x30 kernel/printk/printk.c:2447 vprintk+0x1d/0x30 kernel/printk/printk_safe.c:82 _printk+0x7a/0xa0 kernel/printk/printk.c:2457 uprobe_warn kernel/events/uprobes.c:123 [inline] uprobe_unregister_nosync+0x1d7/0x200 kernel/events/uprobes.c:1312 bpf_uprobe_unregister kernel/trace/bpf_trace.c:3171 [inline] bpf_uprobe_multi_link_release+0x55/0x100 kernel/trace/bpf_trace.c:3182 bpf_link_free+0xb2/0x360 kernel/bpf/syscall.c:3136 bpf_link_put_direct kernel/bpf/syscall.c:3179 [inline] bpf_link_release+0x52/0x70 kernel/bpf/syscall.c:3186 __fput+0x2ac/0x640 fs/file_table.c:464 ____fput+0x1c/0x30 fs/file_table.c:492 task_work_run+0x13a/0x1a0 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xa8/0x120 kernel/entry/common.c:218 do_syscall_64+0xd6/0x1c0 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f read to 0xffffffff88bf7978 of 8 bytes by task 8305 on cpu 1: data_make_reusable kernel/printk/printk_ringbuffer.c:594 [inline] data_push_tail+0x102/0x430 kernel/printk/printk_ringbuffer.c:679 data_alloc+0xbe/0x2c0 kernel/printk/printk_ringbuffer.c:1054 prb_reserve+0x85e/0xb60 kernel/printk/printk_ringbuffer.c:1669 vprintk_store+0x558/0x870 kernel/printk/printk.c:2326 vprintk_emit+0x168/0x690 kernel/printk/printk.c:2408 vprintk_default+0x26/0x30 kernel/printk/printk.c:2447 vprintk+0x1d/0x30 kernel/printk/printk_safe.c:82 _printk+0x7a/0xa0 kernel/printk/printk.c:2457 blk_add_partition block/partitions/core.c:549 [inline] blk_add_partitions block/partitions/core.c:633 [inline] bdev_disk_changed+0x866/0xcb0 block/partitions/core.c:693 loop_reread_partitions drivers/block/loop.c:537 [inline] loop_set_status+0x3f5/0x480 drivers/block/loop.c:1305 lo_ioctl+0x839/0x14f0 blkdev_ioctl+0x359/0x450 block/ioctl.c:693 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:906 [inline] __se_sys_ioctl+0xc9/0x140 fs/ioctl.c:892 __x64_sys_ioctl+0x43/0x50 fs/ioctl.c:892 x64_sys_call+0x1690/0x2dc0 arch/x86/include/generated/asm/syscalls_64.h:17 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xc9/0x1c0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f value changed: 0x00000000fffff58f -> 0x696765726e75206f Reported by Kernel Concurrency Sanitizer on: CPU: 1 UID: 0 PID: 8305 Comm: syz.0.1854 Not tainted 6.14.0-rc2-syzkaller-00162-g68763b29e0a6 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 ================================================================== truncated loop0: p17 size 108986237 extends beyond EOD, truncated loop0: p18 size 108986237 extends beyond EOD, truncated loop0: p19 size 108986237 extends beyond EOD, truncated loop0: p20 size 108986237 extends beyond EOD, truncated loop0: p21 size 108986237 extends beyond EOD, truncated loop0: p22 size 108986237 extends beyond EOD, truncated loop0: p23 size 108986237 extends beyond EOD, truncated loop0: p24 size 108986237 extends beyond EOD, truncated loop0: p25 size 108986237 extends beyond EOD, truncated loop0: p26 size 108986237 extends beyond EOD, truncated loop0: p27 size 108986237 extends beyond EOD, truncated loop0: p28 size 108986237 extends beyond EOD, truncated loop0: p29 size 108986237 extends beyond EOD, truncated loop0: p30 size 108986237 extends beyond EOD, truncated loop0: p31 size 108986237 extends beyond EOD, truncated loop0: p32 size 108986237 extends beyond EOD, truncated loop0: p33 size 108986237 extends beyond EOD, truncated loop0: p34 size 108986237 extends beyond EOD, truncated loop0: p35 size 108986237 extends beyond EOD, truncated loop0: p36 size 108986237 extends beyond EOD, truncated loop0: p37 size 108986237 extends beyond EOD, truncated loop0: p38 size 108986237 extends beyond EOD, truncated loop0: p39 size 108986237 extends beyond EOD, truncated loop0: p40 size 108986237 extends beyond EOD, truncated loop0: p41 size 108986237 extends beyond EOD, truncated loop0: p42 size 108986237 extends beyond EOD, truncated loop0: p43 size 108986237 extends beyond EOD, truncated loop0: p44 size 108986237 extends beyond EOD, truncated loop0: p45 size 108986237 extends beyond EOD, truncated loop0: p46 size 108986237 extends beyond EOD, truncated loop0: p47 size 108986237 extends beyond EOD, truncated loop0: p48 size 108986237 extends beyond EOD, truncated loop0: p49 size 108986237 extends beyond EOD, truncated loop0: p50 size 108986237 extends beyond EOD, truncated loop0: p51 size 108986237 extends beyond EOD, truncated loop0: p52 size 108986237 extends beyond EOD, truncated loop0: p53 size 108986237 extends beyond EOD, truncated loop0: p54 size 108986237 extends beyond EOD, truncated loop0: p55 size 108986237 extends beyond EOD, truncated loop0: p56 size 108986237 extends beyond EOD, truncated loop0: p57 size 108986237 extends beyond EOD, truncated loop0: p58 size 108986237 extends beyond EOD, truncated loop0: p59 size 108986237 extends beyond EOD, truncated loop0: p60 size 108986237 extends beyond EOD, truncated loop0: p61 size 108986237 extends beyond EOD, truncated loop0: p62 size 108986237 extends beyond EOD, truncated loop0: p63 size 108986237 extends beyond EOD, truncated loop0: p64 size 108986237 extends beyond EOD, truncated loop0: p65 size 108986237 extends beyond EOD, truncated loop0: p66 size 108986237 extends beyond EOD, truncated loop0: p67 size 108986237 extends beyond EOD, truncated loop0: p68 size 108986237 extends beyond EOD, truncated loop0: p69 size 108986237 extends beyond EOD, truncated loop0: p70 size 108986237 extends beyond EOD, truncated loop0: p71 size 108986237 extends beyond EOD, truncated loop0: p72 size 108986237 extends beyond EOD, truncated loop0: p73 size 108986237 extends beyond EOD, truncated loop0: p74 size 108986237 extends beyond EOD, truncated loop0: p75 size 108986237 extends beyond EOD, truncated loop0: p76 size 108986237 extends beyond EOD, truncated loop0: p77 size 108986237 extends beyond EOD, truncated loop0: p78 size 108986237 extends beyond EOD, truncated loop0: p79 size 108986237 extends beyond EOD, truncated loop0: p80 size 108986237 extends beyond EOD, truncated loop0: p81 size 108986237 extends beyond EOD, truncated loop0: p82 size 108986237 extends beyond EOD, truncated loop0: p83 size 108986237 extends beyond EOD, truncated loop0: p84 size 108986237 extends beyond EOD, truncated loop0: p85 size 108986237 extends beyond EOD, truncated loop0: p86 size 108986237 extends beyond EOD, truncated loop0: p87 size 108986237 extends beyond EOD, truncated loop0: p88 size 108986237 extends beyond EOD, truncated loop0: p89 size 108986237 extends beyond EOD, truncated loop0: p90 size 108986237 extends beyond EOD, truncated loop0: p91 size 108986237 extends beyond EOD, truncated loop0: p92 size 108986237 extends beyond EOD, truncated loop0: p93 size 108986237 extends beyond EOD, truncated loop0: p94 size 108986237 extends beyond EOD, truncated loop0: p95 size 108986237 extends beyond EOD, truncated loop0: p96 size 108986237 extends beyond EOD, truncated loop0: p97 size 108986237 extends beyond EOD, truncated loop0: p98 size 108986237 extends beyond EOD, truncated loop0: p99 size 108986237 extends beyond EOD, truncated loop0: p100 size 108986237 extends beyond EOD, truncated loop0: p101 size 108986237 extends beyond EOD, truncated loop0: p102 size 108986237 extends beyond EOD, truncated loop0: p103 size 108986237 extends beyond EOD, truncated loop0: p104 size 108986237 extends beyond EOD, truncated loop0: p105 size 108986237 extends beyond EOD, truncated loop0: p106 size 108986237 extends beyond EOD, truncated loop0: p107 size 108986237 extends beyond EOD, truncated loop0: p108 size 108986237 extends beyond EOD, truncated loop0: p109 size 108986237 extends beyond EOD, truncated loop0: p110 size 108986237 extends beyond EOD, truncated loop0: p111 size 108986237 extends beyond EOD, truncated loop0: p112 size 108986237 extends beyond EOD, truncated loop0: p113 size 108986237 extends beyond EOD, truncated loop0: p114 size 108986237 extends beyond EOD, truncated loop0: p115 size 108986237 extends beyond EOD, truncated loop0: p116 size 108986237 extends beyond EOD, truncated loop0: p117 size 108986237 extends beyond EOD, truncated loop0: p118 size 108986237 extends beyond EOD, truncated loop0: p119 size 108986237 extends beyond EOD, truncated loop0: p120 size 108986237 extends beyond EOD, truncated loop0: p121 size 108986237 extends beyond EOD, truncated loop0: p122 size 108986237 extends beyond EOD, truncated loop0: p123 size 108986237 extends beyond EOD, truncated loop0: p124 size 108986237 extends beyond EOD, truncated loop0: p125 size 108986237 extends beyond EOD, truncated loop0: p126 size 108986237 extends beyond EOD, truncated loop0: p127 size 108986237 extends beyond EOD, truncated loop0: p128 size 108986237 extends beyond EOD, truncated loop0: p129 size 108986237 extends beyond EOD, truncated loop0: p130 size 108986237 extends beyond EOD, truncated loop0: p131 size 108986237 extends beyond EOD, truncated loop0: p132 size 108986237 extends beyond EOD, truncated loop0: p133 size 108986237 extends beyond EOD, truncated loop0: p134 size 108986237 extends beyond EOD, truncated loop0: p135 size 108986237 extends beyond EOD, truncated loop0: p136 size 108986237 extends beyond EOD, truncated loop0: p137 size 108986237 extends beyond EOD, truncated loop0: p138 size 108986237 extends beyond EOD, truncated loop0: p139 size 108986237 extends beyond EOD, truncated loop0: p140 size 108986237 extends beyond EOD, truncated loop0: p141 size 108986237 extends beyond EOD, truncated loop0: p142 size 108986237 extends beyond EOD, truncated loop0: p143 size 108986237 extends beyond EOD, truncated loop0: p144 size 108986237 extends beyond EOD, truncated loop0: p145 size 108986237 extends beyond EOD, truncated loop0: p146 size 108986237 extends beyond EOD, truncated loop0: p147 size 108986237 extends beyond EOD, truncated loop0: p148 size 108986237 extends beyond EOD, truncated loop0: p149 size 108986237 extends beyond EOD, truncated loop0: p150 size 108986237 extends beyond EOD, truncated loop0: p151 size 108986237 extends beyond EOD, truncated loop0: p152 size 108986237 extends beyond EOD, truncated loop0: p153 size 108986237 extends beyond EOD, truncated loop0: p154 size 108986237 extends beyond EOD, truncated loop0: p155 size 108986237 extends beyond EOD, truncated loop0: p156 size 108986237 extends beyond EOD, truncated loop0: p157 size 108986237 extends beyond EOD, truncated loop0: p158 size 108986237 extends beyond EOD, truncated loop0: p159 size 108986237 extends beyond EOD, truncated loop0: p160 size 108986237 extends beyond EOD, truncated loop0: p161 size 108986237 extends beyond EOD, truncated loop0: p162 size 108986237 extends beyond EOD, truncated loop0: p163 size 108986237 extends beyond EOD, truncated loop0: p164 size 108986237 extends beyond EOD, truncated loop0: p165 size 108986237 extends beyond EOD, truncated loop0: p166 size 108986237 extends beyond EOD, truncated loop0: p167 size 108986237 extends beyond EOD, truncated loop0: p168 size 108986237 extends beyond EOD, truncated loop0: p169 size 108986237 extends beyond EOD, truncated loop0: p170 size 108986237 extends beyond EOD, truncated loop0: p171 size 108986237 extends beyond EOD, truncated loop0: p172 size 108986237 extends beyond EOD, truncated loop0: p173 size 108986237 extends beyond EOD, truncated loop0: p174 size 108986237 extends beyond EOD, truncated loop0: p175 size 108986237 extends beyond EOD, truncated loop0: p176 size 108986237 extends beyond EOD, truncated loop0: p177 size 108986237 extends beyond EOD, truncated loop0: p178 size 108986237 extends beyond EOD, truncated loop0: p179 size 108986237 extends beyond EOD, truncated loop0: p180 size 108986237 extends beyond EOD, truncated loop0: p181 size 108986237 extends beyond EOD, truncated loop0: p182 size 108986237 extends beyond EOD, truncated loop0: p183 size 108986237 extends beyond EOD, truncated loop0: p184 size 108986237 extends beyond EOD, truncated loop0: p185 size 108986237 extends beyond EOD, truncated loop0: p186 size 108986237 extends beyond EOD, truncated loop0: p187 size 108986237 extends beyond EOD, truncated loop0: p188 size 108986237 extends beyond EOD, truncated loop0: p189 size 108986237 extends beyond EOD, truncated loop0: p190 size 108986237 extends beyond EOD, truncated loop0: p191 size 108986237 extends beyond EOD, truncated loop0: p192 size 108986237 extends beyond EOD, truncated loop0: p193 size 108986237 extends beyond EOD, truncated loop0: p194 size 108986237 extends beyond EOD, truncated loop0: p195 size 108986237 extends beyond EOD, truncated loop0: p196 size 108986237 extends beyond EOD, truncated loop0: p197 size 108986237 extends beyond EOD, truncated loop0: p198 size 108986237 extends beyond EOD, truncated loop0: p199 size 108986237 extends beyond EOD, truncated loop0: p200 size 108986237 extends beyond EOD, truncated loop0: p201 size 108986237 extends beyond EOD, truncated loop0: p202 size 108986237 extends beyond EOD, truncated loop0: p203 size 108986237 extends beyond EOD, truncated loop0: p204 size 108986237 extends beyond EOD, truncated loop0: p205 size 108986237 extends beyond EOD, truncated loop0: p206 size 108986237 extends beyond EOD, truncated loop0: p207 size 108986237 extends beyond EOD, truncated loop0: p208 size 108986237 extends beyond EOD, truncated loop0: p209 size 108986237 extends beyond EOD, truncated loop0: p210 size 108986237 extends beyond EOD, truncated loop0: p211 size 108986237 extends beyond EOD, truncated loop0: p212 size 108986237 extends beyond EOD, truncated loop0: p213 size 108986237 extends beyond EOD, truncated loop0: p214 size 108986237 extends beyond EOD, truncated loop0: p215 size 108986237 extends beyond EOD, truncated loop0: p216 size 108986237 extends beyond EOD, truncated loop0: p217 size 108986237 extends beyond EOD, truncated loop0: p218 size 108986237 extends beyond EOD, truncated loop0: p219 size 108986237 extends beyond EOD, truncated loop0: p220 size 108986237 extends beyond EOD, truncated loop0: p221 size 108986237 extends beyond EOD, truncated loop0: p222 size 108986237 extends beyond EOD, truncated loop0: p223 size 108986237 extends beyond EOD, truncated loop0: p224 size 108986237 extends beyond EOD, truncated loop0: p225 size 108986237 extends beyond EOD, truncated loop0: p226 size 108986237 extends beyond EOD, truncated loop0: p227 size 108986237 extends beyond EOD, truncated loop0: p228 size 108986237 extends beyond EOD, truncated loop0: p229 size 108986237 extends beyond EOD, truncated loop0: p230 size 108986237 extends beyond EOD, truncated loop0: p231 size 108986237 extends beyond EOD, truncated loop0: p232 size 108986237 extends beyond EOD, truncated loop0: p233 size 108986237 extends beyond EOD, truncated loop0: p234 size 108986237 extends beyond EOD, truncated loop0: p235 size 108986237 extends beyond EOD, truncated loop0: p236 size 108986237 extends beyond EOD, truncated loop0: p237 size 108986237 extends beyond EOD, truncated loop0: p238 size 108986237 extends beyond EOD, truncated loop0: p239 size 108986237 extends beyond EOD, truncated loop0: p240 size 108986237 extends beyond EOD, truncated loop0: p241 size 108986237 extends beyond EOD, truncated loop0: p242 size 108986237 extends beyond EOD, truncated loop0: p243 size 108986237 extends beyond EOD, truncated loop0: p244 size 108986237 extends beyond EOD, truncated loop0: p245 size 108986237 extends beyond EOD, truncated loop0: p246 size 108986237 extends beyond EOD, truncated loop0: p247 size 108986237 extends beyond EOD, truncated loop0: p248 size 108986237 extends beyond EOD, truncated loop0: p249 size 108986237 extends beyond EOD, truncated loop0: p250 size 108986237 extends beyond EOD, truncated loop0: p251 size 108986237 extends beyond EOD, truncated loop0: p252 size 108986237 extends beyond EOD, truncated loop0: p253 size 108986237 extends beyond EOD, truncated loop0: p254 size 108986237 extends beyond EOD, truncated loop0: p255 size 108986237 extends beyond EOD, truncated