loop5: p61 start 53543428 is beyond EOD, truncated
loop5: p62 start 53543428 is beyond EOD, truncated
==================================================================
BUG: KCSAN: data-race in _prb_read_valid / data_alloc
write to 0xffffffff86c69c58 of 8 bytes by interrupt on cpu 0:
data_alloc+0x2fc/0x380 kernel/printk/printk_ringbuffer.c:1129
prb_reserve+0x8e3/0xaf0 kernel/printk/printk_ringbuffer.c:1727
vprintk_store+0x54a/0x910 kernel/printk/printk.c:2354
vprintk_emit+0x1a4/0x600 kernel/printk/printk.c:2455
vprintk_default+0x26/0x30 kernel/printk/printk.c:2494
vprintk+0x1d/0x30 kernel/printk/printk_safe.c:82
_printk+0x79/0xa0 kernel/printk/printk.c:2504
print_daily_error_info+0x210/0x300 fs/ext4/super.c:3715
call_timer_fn+0x3b/0x240 kernel/time/timer.c:1748
expire_timers kernel/time/timer.c:1799 [inline]
__run_timers kernel/time/timer.c:2374 [inline]
__run_timer_base+0x40c/0x5f0 kernel/time/timer.c:2386
run_timer_base kernel/time/timer.c:2395 [inline]
run_timer_softirq+0x31/0x70 kernel/time/timer.c:2405
handle_softirqs+0xb9/0x280 kernel/softirq.c:622
__do_softirq kernel/softirq.c:656 [inline]
invoke_softirq kernel/softirq.c:496 [inline]
__irq_exit_rcu+0x42/0xd0 kernel/softirq.c:735
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
sysvec_apic_timer_interrupt+0x74/0x80 arch/x86/kernel/apic/apic.c:1062
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
console_trylock_spinning kernel/printk/printk.c:-1 [inline]
vprintk_emit+0x3d3/0x600 kernel/printk/printk.c:2478
vprintk_default+0x26/0x30 kernel/printk/printk.c:2494
vprintk+0x1d/0x30 kernel/printk/printk_safe.c:82
_printk+0x79/0xa0 kernel/printk/printk.c:2504
__ext4_msg+0x1aa/0x1c0 fs/ext4/super.c:1001
ext4_handle_error+0x527/0x570 fs/ext4/super.c:741
__ext4_error_inode+0x1af/0x3a0 fs/ext4/super.c:871
check_igot_inode+0x153/0x180 fs/ext4/inode.c:5250
__ext4_iget+0x1fe6/0x2400 fs/ext4/inode.c:5618
ext4_xattr_inode_iget+0x9d/0x200 fs/ext4/xattr.c:441
ext4_xattr_inode_dec_ref_all+0x12a/0x8d0 fs/ext4/xattr.c:1194
ext4_xattr_delete_inode+0x6b5/0x790 fs/ext4/xattr.c:2952
ext4_evict_inode+0xb18/0xdf0 fs/ext4/inode.c:284
evict+0x2a5/0x510 fs/inode.c:825
iput_final fs/inode.c:2019 [inline]
iput+0x430/0x5a0 fs/inode.c:2068
ext4_process_orphan+0x1a4/0x1c0 fs/ext4/orphan.c:358
ext4_orphan_cleanup+0x6a6/0xa10 fs/ext4/orphan.c:472
__ext4_fill_super fs/ext4/super.c:5705 [inline]
ext4_fill_super+0x33ab/0x3760 fs/ext4/super.c:5828
get_tree_bdev_flags+0x291/0x300 fs/super.c:1634
get_tree_bdev+0x1f/0x30 fs/super.c:1657
ext4_get_tree+0x1c/0x30 fs/ext4/super.c:5860
vfs_get_tree+0x57/0x1d0 fs/super.c:1694
fc_mount fs/namespace.c:1198 [inline]
do_new_mount_fc fs/namespace.c:3765 [inline]
do_new_mount+0x288/0x8d0 fs/namespace.c:3841
path_mount+0x4ad/0xb90 fs/namespace.c:4161
do_mount fs/namespace.c:4174 [inline]
__do_sys_mount fs/namespace.c:4390 [inline]
__se_sys_mount+0x28c/0x2e0 fs/namespace.c:4367
__x64_sys_mount+0x67/0x80 fs/namespace.c:4367
x64_sys_call+0x2d61/0x3020 arch/x86/include/generated/asm/syscalls_64.h:166
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x136/0x3c0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
read to 0xffffffff86c69c58 of 16 bytes by task 2980 on cpu 1:
desc_read kernel/printk/printk_ringbuffer.c:496 [inline]
desc_read_finalized_seq kernel/printk/printk_ringbuffer.c:1934 [inline]
prb_read kernel/printk/printk_ringbuffer.c:1982 [inline]
_prb_read_valid+0x183/0x930 kernel/printk/printk_ringbuffer.c:2173
desc_update_last_finalized+0x8f/0x170 kernel/printk/printk_ringbuffer.c:1573
prb_final_commit+0x111/0x150 kernel/printk/printk_ringbuffer.c:1842
vprintk_store+0x6f9/0x910 kernel/printk/printk.c:2338
vprintk_emit+0x1a4/0x600 kernel/printk/printk.c:2455
vprintk_default+0x26/0x30 kernel/printk/printk.c:2494
vprintk+0x1d/0x30 kernel/printk/printk_safe.c:82
_printk+0x79/0xa0 kernel/printk/printk.c:2504
disk_unlock_native_capacity block/partitions/core.c:522 [inline]
blk_add_partition block/partitions/core.c:545 [inline]
blk_add_partitions block/partitions/core.c:635 [inline]
bdev_disk_changed+0xacb/0xe20 block/partitions/core.c:695
blkdev_get_whole+0x1e8/0x2c0 block/bdev.c:751
bdev_open+0x279/0x7d0 block/bdev.c:960
bdev_file_open_by_dev+0x1cc/0x230 block/bdev.c:1062
disk_scan_partitions+0x149/0x1b0 block/genhd.c:387
blkdev_common_ioctl+0x120d/0x2060 block/ioctl.c:712
blkdev_ioctl+0x31f/0x460 block/ioctl.c:791
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:597 [inline]
__se_sys_ioctl+0xce/0x140 fs/ioctl.c:583
__x64_sys_ioctl+0x43/0x50 fs/ioctl.c:583
x64_sys_call+0x1563/0x3020 arch/x86/include/generated/asm/syscalls_64.h:17
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0x136/0x3c0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Reported by Kernel Concurrency Sanitizer on:
CPU: 1 UID: 0 PID: 2980 Comm: udevd Tainted: G W syzkaller #0 PREEMPT(lazy)
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
==================================================================
loop5: p63 start 53543428 is beyond EOD, truncated
loop5: p64 start 53543428 is beyond EOD, truncated
loop5: p65 start 53543428 is beyond EOD, truncated
loop5: p66 start 53543428 is beyond EOD, truncated
loop5: p67 start 53543428 is beyond EOD, truncated
loop5: p68 start 53543428 is beyond EOD, truncated
loop5: p69 start 53543428 is beyond EOD, truncated
loop5: p70 start 53543428 is beyond EOD, truncated
loop5: p71 start 53543428 is beyond EOD, truncated
loop5: p72 start 53543428 is beyond EOD, truncated
loop5: p73 start 53543428 is beyond EOD, truncated
loop5: p74 start 53543428 is beyond EOD, truncated
loop5: p75 start 53543428 is beyond EOD, truncated
loop5: p76 start 53543428 is beyond EOD, truncated
loop5: p77 start 53543428 is beyond EOD, truncated
loop5: p78 start 53543428 is beyond EOD, truncated
loop5: p79 start 53543428 is beyond EOD, truncated
loop5: p80 start 53543428 is beyond EOD, truncated
loop5: p81 start 53543428 is beyond EOD, truncated
loop5: p82 start 53543428 is beyond EOD, truncated
loop5: p83 start 53543428 is beyond EOD, truncated
loop5: p84 start 53543428 is beyond EOD, truncated
loop5: p85 start 53543428 is beyond EOD, truncated
loop5: p86 start 53543428 is beyond EOD, truncated
loop5: p87 start 53543428 is beyond EOD, truncated
loop5: p88 start 53543428 is beyond EOD, truncated
loop5: p89 start 53543428 is beyond EOD, truncated
loop5: p90 start 53543428 is beyond EOD, truncated
loop5: p91 start 53543428 is beyond EOD, truncated
loop5: p92 start 53543428 is beyond EOD, truncated
loop5: p93 start 53543428 is beyond EOD, truncated
loop5: p94 start 53543428 is beyond EOD, truncated
loop5: p95 start 53543428 is beyond EOD, truncated
loop5: p96 start 53543428 is beyond EOD, truncated
loop5: p97 start 53543428 is beyond EOD, truncated
loop5: p98 start 53543428 is beyond EOD, truncated
loop5: p99 start 53543428 is beyond EOD, truncated
loop5: p100 start 53543428 is beyond EOD, truncated
loop5: p101 start 53543428 is beyond EOD, truncated
loop5: p102 start 53543428 is beyond EOD, truncated
loop5: p103 start 53543428 is beyond EOD, truncated
loop5: p104 start 53543428 is beyond EOD, truncated
loop5: p105 start 53543428 is beyond EOD, truncated
loop5: p106 start 53543428 is beyond EOD, truncated
loop5: p107 start 53543428 is beyond EOD, truncated
loop5: p108 start 53543428 is beyond EOD, truncated
loop5: p109 start 53543428 is beyond EOD, truncated
loop5: p110 start 53543428 is beyond EOD, truncated
loop5: p111 start 53543428 is beyond EOD, truncated
loop5: p112 start 53543428 is beyond EOD, truncated
loop5: p113 start 53543428 is beyond EOD, truncated
loop5: p114 start 53543428 is beyond EOD, truncated
loop5: p115 start 53543428 is beyond EOD, truncated
loop5: p116 start 53543428 is beyond EOD, truncated
loop5: p117 start 53543428 is beyond EOD, truncated
loop5: p118 start 53543428 is beyond EOD, truncated
loop5: p119 start 53543428 is beyond EOD, truncated
loop5: p120 start 53543428 is beyond EOD, truncated
loop5: p121 start 53543428 is beyond EOD, truncated
loop5: p122 start 53543428 is beyond EOD, truncated
loop5: p123 start 53543428 is beyond EOD, truncated
loop5: p124 start 53543428 is beyond EOD, truncated
loop5: p125 start 53543428 is beyond EOD, truncated
loop5: p126 start 53543428 is beyond EOD, truncated
loop5: p127 start 53543428 is beyond EOD, truncated
loop5: p128 start 53543428 is beyond EOD, truncated
loop5: p129 start 53543428 is beyond EOD, truncated
loop5: p130 start 53543428 is beyond EOD, truncated
loop5: p131 start 53543428 is beyond EOD, truncated
loop5: p132 start 53543428 is beyond EOD, truncated
loop5: p133 start 53543428 is beyond EOD, truncated
loop5: p134 start 53543428 is beyond EOD, truncated
loop5: p135 start 53543428 is beyond EOD, truncated
loop5: p136 start 53543428 is beyond EOD, truncated
loop5: p137 start 53543428 is beyond EOD, truncated
loop5: p138 start 53543428 is beyond EOD, truncated
loop5: p139 start 53543428 is beyond EOD, truncated
loop5: p140 start 53543428 is beyond EOD, truncated
loop5: p141 start 53543428 is beyond EOD, truncated
loop5: p142 start 53543428 is beyond EOD, truncated
loop5: p143 start 53543428 is beyond EOD, truncated
loop5: p144 start 53543428 is beyond EOD, truncated
loop5: p145 start 53543428 is beyond EOD, truncated
loop5: p146 start 53543428 is beyond EOD, truncated
loop5: p147 start 53543428 is beyond EOD, truncated
loop5: p148 start 53543428 is beyond EOD, truncated
loop5: p149 start 53543428 is beyond EOD, truncated
loop5: p150 start 53543428 is beyond EOD, truncated
loop5: p151 start 53543428 is beyond EOD, truncated
loop5: p152 start 53543428 is beyond EOD, truncated
loop5: p153 start 53543428 is beyond EOD, truncated
loop5: p154 start 53543428 is beyond EOD, truncated
loop5: p155 start 53543428 is beyond EOD, truncated
loop5: p156 start 53543428 is beyond EOD, truncated
loop5: p157 start 53543428 is beyond EOD, truncated
loop5: p158 start 53543428 is beyond EOD, truncated
loop5: p159 start 53543428 is beyond EOD, truncated
loop5: p160 start 53543428 is beyond EOD, truncated
loop5: p161 start 53543428 is beyond EOD, truncated
loop5: p162 start 53543428 is beyond EOD, truncated
loop5: p163 start 53543428 is beyond EOD, truncated
loop5: p164 start 53543428 is beyond EOD, truncated
loop5: p165 start 53543428 is beyond EOD, truncated
loop5: p166 start 53543428 is beyond EOD, truncated
loop5: p167 start 53543428 is beyond EOD, truncated
loop5: p168 start 53543428 is beyond EOD, truncated
loop5: p169 start 53543428 is beyond EOD, truncated
loop5: p170 start 53543428 is beyond EOD, truncated
loop5: p171 start 53543428 is beyond EOD, truncated
loop5: p172 start 53543428 is beyond EOD, truncated
loop5: p173 start 53543428 is beyond EOD, truncated
loop5: p174 start 53543428 is beyond EOD, truncated
loop5: p175 start 53543428 is beyond EOD, truncated
loop5: p176 start 53543428 is beyond EOD, truncated
loop5: p177 start 53543428 is beyond EOD, truncated
loop5: p178 start 53543428 is beyond EOD, truncated
loop5: p179 start 53543428 is beyond EOD, truncated
loop5: p180 start 53543428 is beyond EOD, truncated
loop5: p181 start 53543428 is beyond EOD, truncated
loop5: p182 start 53543428 is beyond EOD, truncated
loop5: p183 start 53543428 is beyond EOD, truncated
loop5: p184 start 53543428 is beyond EOD, truncated
loop5: p185 start 53543428 is beyond EOD, truncated
loop5: p186 start 53543428 is beyond EOD, truncated
loop5: p187 start 53543428 is beyond EOD, truncated
loop5: p188 start 53543428 is beyond EOD, truncated
loop5: p189 start 53543428 is beyond EOD, truncated
loop5: p190 start 53543428 is beyond EOD, truncated
loop5: p191 start 53543428 is beyond EOD, truncated
loop5: p192 start 53543428 is beyond EOD, truncated
loop5: p193 start 53543428 is beyond EOD, truncated
loop5: p194 start 53543428 is beyond EOD, truncated
loop5: p195 start 53543428 is beyond EOD, truncated
loop5: p196 start 53543428 is beyond EOD, truncated
loop5: p197 start 53543428 is beyond EOD, truncated
loop5: p198 start 53543428 is beyond EOD, truncated
loop5: p199 start 53543428 is beyond EOD, truncated
loop5: p200 start 53543428 is beyond EOD, truncated
loop5: p201 start 53543428 is beyond EOD, truncated
loop5: p202 start 53543428 is beyond EOD, truncated
loop5: p203 start 53543428 is beyond EOD, truncated
loop5: p204 start 53543428 is beyond EOD, truncated
loop5: p205 start 53543428 is beyond EOD, truncated
loop5: p206 start 53543428 is beyond EOD, truncated
loop5: p207 start 53543428 is beyond EOD, truncated
loop5: p208 start 53543428 is beyond EOD, truncated
loop5: p209 start 53543428 is beyond EOD, truncated
loop5: p210 start 53543428 is beyond EOD, truncated
loop5: p211 start 53543428 is beyond EOD, truncated
loop5: p212 start 53543428 is beyond EOD, truncated
loop5: p213 start 53543428 is beyond EOD, truncated
loop5: p214 start 53543428 is beyond EOD, truncated
loop5: p215 start 53543428 is beyond EOD, truncated
loop5: p216 start 53543428 is beyond EOD, truncated
loop5: p217 start 53543428 is beyond EOD, truncated
loop5: p218 start 53543428 is beyond EOD, truncated
loop5: p219 start 53543428 is beyond EOD, truncated
loop5: p220 start 53543428 is beyond EOD, truncated
loop5: p221 start 53543428 is beyond EOD, truncated
loop5: p222 start 53543428 is beyond EOD, truncated
loop5: p223 start 53543428 is beyond EOD, truncated
loop5: p224 start 53543428 is beyond EOD, truncated
loop5: p225 start 53543428 is beyond EOD, truncated
loop5: p226 start 53543428 is beyond EOD, truncated
loop5: p227 start 53543428 is beyond EOD, truncated
loop5: p228 start 53543428 is beyond EOD, truncated
loop5: p229 start 53543428 is beyond EOD, truncated
loop5: p230 start 53543428 is beyond EOD, truncated
loop5: p231 start 53543428 is beyond EOD, truncated
loop5: p232 start 53543428 is beyond EOD, truncated
loop5: p233 start 53543428 is beyond EOD, truncated
loop5: p234 start 53543428 is beyond EOD, truncated
loop5: p235 start 53543428 is beyond EOD, truncated
loop5: p236 start 53543428 is beyond EOD, truncated
loop5: p237 start 53543428 is beyond EOD, truncated
loop5: p238 start 53543428 is beyond EOD, truncated
loop5: p239 start 53543428 is beyond EOD, truncated
loop5: p240 start 53543428 is beyond EOD, truncated
loop5: p241 start 53543428 is beyond EOD, truncated
loop5: p242 start 53543428 is beyond EOD, truncated
loop5: p243 start 53543428 is beyond EOD, truncated
loop5: p244 start 53543428 is beyond EOD, truncated
loop5: p245 start 53543428 is beyond EOD, truncated
loop5: p246 start 53543428 is beyond EOD, truncated
loop5: p247 start 53543428 is beyond EOD, truncated
loop5: p248 start 53543428 is beyond EOD, truncated
loop5: p249 start 53543428 is beyond EOD, truncated
loop5: p250 start 53543428 is beyond EOD, truncated
loop5: p251 start 53543428 is beyond EOD, truncated
loop5: p252 start 53543428 is beyond EOD, truncated
loop5: p253 start 53543428 is beyond EOD, truncated
loop5: p254 start 53543428 is beyond EOD, truncated
loop5: p255 start 53543428 is beyond EOD, truncated