Symlink component flag not implemented
Symlink component flag not implemented (129)
==================================================================
BUG: KCSAN: data-race in data_push_tail / number

write to 0xffffffff88bc8f8b of 1 bytes by task 22216 on cpu 1:
 number+0x88c/0xac0 lib/vsprintf.c:551
 vsnprintf+0x6ae/0x890 lib/vsprintf.c:2807
 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+0x15e/0x680 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
 isofs_read_inode fs/isofs/inode.c:1377 [inline]
 __isofs_iget+0xed4/0xf80 fs/isofs/inode.c:1509
 isofs_iget fs/isofs/isofs.h:133 [inline]
 isofs_get_blocks+0x18c/0x4a0 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+0x189/0x8c0 fs/isofs/namei.c:165
 __lookup_slow+0x184/0x250 fs/namei.c:1791
 lookup_slow+0x3c/0x60 fs/namei.c:1808
 walk_component fs/namei.c:2112 [inline]
 link_path_walk+0x668/0x830 fs/namei.c:2477
 path_lookupat+0x72/0x2b0 fs/namei.c:2633
 filename_lookup+0x150/0x340 fs/namei.c:2663
 user_path_at+0x3c/0x120 fs/namei.c:3070
 do_mount fs/namespace.c:3897 [inline]
 __do_sys_mount fs/namespace.c:4111 [inline]
 __se_sys_mount+0x24b/0x2d0 fs/namespace.c:4088
 __x64_sys_mount+0x67/0x80 fs/namespace.c:4088
 x64_sys_call+0x2c84/0x2dc0 arch/x86/include/generated/asm/syscalls_64.h:166
 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

read to 0xffffffff88bc8f88 of 8 bytes by task 22218 on cpu 0:
 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+0x15e/0x680 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
 isofs_read_inode fs/isofs/inode.c:1370 [inline]
 __isofs_iget+0xe9d/0xf80 fs/isofs/inode.c:1509
 isofs_iget fs/isofs/isofs.h:133 [inline]
 isofs_get_blocks+0x18c/0x4a0 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+0x189/0x8c0 fs/isofs/namei.c:165
 __lookup_slow+0x184/0x250 fs/namei.c:1791
 lookup_slow+0x3c/0x60 fs/namei.c:1808
 walk_component fs/namei.c:2112 [inline]
 link_path_walk+0x668/0x830 fs/namei.c:2477
 path_lookupat+0x72/0x2b0 fs/namei.c:2633
 filename_lookup+0x150/0x340 fs/namei.c:2663
 user_path_at+0x3c/0x120 fs/namei.c:3070
 do_mount fs/namespace.c:3897 [inline]
 __do_sys_mount fs/namespace.c:4111 [inline]
 __se_sys_mount+0x24b/0x2d0 fs/namespace.c:4088
 __x64_sys_mount+0x67/0x80 fs/namespace.c:4088
 x64_sys_call+0x2c84/0x2dc0 arch/x86/include/generated/asm/syscalls_64.h:166
 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: 0x00000001000015e8 -> 0x292e293635383128

Reported by Kernel Concurrency Sanitizer on:
CPU: 0 UID: 0 PID: 22218 Comm: syz.6.6382 Not tainted 6.13.0-syzkaller-05474-g113691ce9f32 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024
==================================================================
rock: directory entry would overflow storage
rock: sig=0x4f50, size=4, remaining=3
iso9660: Corrupted directory entry in block 6 of inode 1792