syz.0.161: attempt to access beyond end of device
loop0: rw=0, sector=6491536, nr_sectors = 2 limit=128
Buffer I/O error on dev loop0, logical block 3245768, async page read
------------[ cut here ]------------
WARNING: CPU: 1 PID: 7169 at fs/inode.c:464 inc_nlink+0x120/0x170 fs/inode.c:464
Modules linked in:
CPU: 1 UID: 0 PID: 7169 Comm: syz.0.161 Not tainted 6.14.0-rc7-syzkaller-ga2392f333575 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : inc_nlink+0x120/0x170 fs/inode.c:464
lr : inc_nlink+0x120/0x170 fs/inode.c:464
sp : ffff80009fb77b80
x29: ffff80009fb77b80 x28: 1fffe0001f73c00c x27: dfff800000000000
x26: 0000000000000000 x25: 00000000000001c0 x24: 000000000000007e
x23: 1fffe0001f73c010 x22: dfff800000000000 x21: 0000000000000000
x20: ffff0000fb9e0038 x19: ffff0000fb9e0080 x18: 1fffe000366f6086
x17: ffff80008fbbd000 x16: ffff80008b7c7f00 x15: 0000000000000005
x14: 1ffff00013f6ef48 x13: 0000000000000000 x12: 0000000000000000
x11: ffff700013f6ef4d x10: 0000000000ff0100 x9 : 0000000000000000
x8 : ffff0000c9761e80 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : ffff80009fb77a20 x3 : 00000000000001c0
x2 : ffff0000dd0745e0 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 inc_nlink+0x120/0x170 fs/inode.c:464 (P)
 inode_inc_link_count include/linux/fs.h:2577 [inline]
 sysv_mkdir+0x2c/0x138 fs/sysv/namei.c:119
 vfs_mkdir+0x27c/0x410 fs/namei.c:4313
 do_mkdirat+0x250/0x584 fs/namei.c:4336
 __do_sys_mkdirat fs/namei.c:4351 [inline]
 __se_sys_mkdirat fs/namei.c:4349 [inline]
 __arm64_sys_mkdirat+0x8c/0xa4 fs/namei.c:4349
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
irq event stamp: 678
hardirqs last  enabled at (677): [<ffff80008b7c650c>] __exit_to_kernel_mode arch/arm64/kernel/entry-common.c:85 [inline]
hardirqs last  enabled at (677): [<ffff80008b7c650c>] exit_to_kernel_mode+0xdc/0x10c arch/arm64/kernel/entry-common.c:95
hardirqs last disabled at (678): [<ffff80008b7c3e94>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:488
softirqs last  enabled at (8): [<ffff8000801283e0>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (6): [<ffff8000801283ac>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---