[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... Starting Load/Save RF Kill Switch Status... [ OK ] Started Update UTMP about System Runlevel Changes. [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.1.25' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 42.566350] VFS: Found a V7 FS (block size = 512) on device loop0 [ 42.574002] attempt to access beyond end of device [ 42.579397] loop0: rw=0, want=9698052, limit=112 [ 42.584298] Buffer I/O error on dev loop0, logical block 9698051, async page read [ 42.592655] attempt to access beyond end of device [ 42.597793] loop0: rw=0, want=565370, limit=112 [ 42.602450] Buffer I/O error on dev loop0, logical block 565369, async page read [ 42.610120] attempt to access beyond end of device [ 42.615031] loop0: rw=0, want=10282938, limit=112 [ 42.619921] Buffer I/O error on dev loop0, logical block 10282937, async page read [ 42.627715] attempt to access beyond end of device [ 42.632630] loop0: rw=0, want=7284998, limit=112 [ 42.637426] Buffer I/O error on dev loop0, logical block 7284997, async page read [ 42.645056] attempt to access beyond end of device [ 42.650074] loop0: rw=0, want=3984204, limit=112 [ 42.654826] Buffer I/O error on dev loop0, logical block 3984203, async page read [ 42.662526] attempt to access beyond end of device [ 42.667506] loop0: rw=0, want=6992027, limit=112 [ 42.672248] Buffer I/O error on dev loop0, logical block 6992026, async page read [ 42.679925] attempt to access beyond end of device [ 42.684840] loop0: rw=0, want=6756799, limit=112 [ 42.689646] Buffer I/O error on dev loop0, logical block 6756798, async page read [ 42.697355] attempt to access beyond end of device [ 42.702264] loop0: rw=0, want=575895, limit=112 [ 42.706909] Buffer I/O error on dev loop0, logical block 575894, async page read [ 42.714707] BUG: sleeping function called from invalid context at fs/buffer.c:1381 [ 42.722577] in_atomic(): 1, irqs_disabled(): 0, pid: 7981, name: syz-executor245 [ 42.730168] 2 locks held by syz-executor245/7981: [ 42.734990] #0: (&type->i_mutex_dir_key#7){.+.+}, at: [] lookup_slow+0x129/0x400 [ 42.744318] #1: (pointers_lock){.+.+}, at: [] get_block+0x153/0x1230 [ 42.752618] Preemption disabled at: [ 42.752626] [< (null)>] (null) [ 42.761114] CPU: 0 PID: 7981 Comm: syz-executor245 Not tainted 4.14.299-syzkaller #0 [ 42.768978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 42.778306] Call Trace: [ 42.780871] dump_stack+0x1b2/0x281 [ 42.784476] ___might_sleep.cold+0x235/0x250 [ 42.788862] __bread_gfp+0x3e/0x2e0 [ 42.792467] get_branch+0x2ac/0x600 [ 42.796069] get_block+0x176/0x1230 [ 42.799674] ? block_to_path.isra.0+0x420/0x420 [ 42.804315] ? create_page_buffers+0x14d/0x1c0 [ 42.808874] ? create_empty_buffers+0x282/0x470 [ 42.813516] ? do_raw_spin_unlock+0x164/0x220 [ 42.817986] ? _raw_spin_unlock+0x29/0x40 [ 42.822105] ? create_page_buffers+0xce/0x1c0 [ 42.826576] block_read_full_page+0x25e/0x8d0 [ 42.831050] ? block_to_path.isra.0+0x420/0x420 [ 42.835693] ? __lru_cache_add+0x178/0x250 [ 42.839901] ? __bread_gfp+0x2e0/0x2e0 [ 42.843764] ? add_to_page_cache_lru+0x136/0x2b0 [ 42.848493] ? add_to_page_cache_locked+0x40/0x40 [ 42.853308] ? alloc_pages_current+0x15d/0x260 [ 42.857864] do_read_cache_page+0x38e/0xc10 [ 42.862164] ? sysv_bmap+0x30/0x30 [ 42.865685] sysv_find_entry+0x20d/0x610 [ 42.869721] ? __d_lookup_rcu+0x640/0x640 [ 42.873844] sysv_inode_by_name+0x5b/0x330 [ 42.878053] ? sysv_dotdot+0x140/0x140 [ 42.881920] sysv_lookup+0x64/0xe0 [ 42.885435] lookup_slow+0x20a/0x400 [ 42.889128] ? follow_dotdot_rcu+0xf00/0xf00 [ 42.893510] ? lookup_fast+0x430/0xe30 [ 42.897380] ? security_inode_permission+0xb5/0xf0 [ 42.902285] walk_component+0x6a1/0xbc0 [ 42.906239] ? lookup_fast+0xe30/0xe30 [ 42.910104] ? walk_component+0xbc0/0xbc0 [ 42.914233] path_lookupat+0x1bb/0x780 [ 42.918098] ? path_mountpoint+0x940/0x940 [ 42.922313] ? cache_alloc_refill+0x2fa/0x350 [ 42.926784] filename_lookup+0x18a/0x510 [ 42.930822] ? filename_parentat+0x520/0x520 [ 42.935225] ? __check_object_size+0x179/0x230 [ 42.939785] ? strncpy_from_user+0x210/0x2c0 [ 42.944176] ? getname_flags+0x22e/0x550 [ 42.948219] do_mount+0x118/0x2a30 [ 42.951735] ? task_work_run+0xfd/0x190 [ 42.955686] ? __close_fd+0x146/0x230 [ 42.959462] ? copy_mount_string+0x40/0x40 [ 42.963671] ? lock_acquire+0x170/0x3f0 [ 42.967619] ? dnotify_flush+0x19/0x2c0 [ 42.971571] ? fput_many+0xe/0x140 [ 42.975087] ? copy_mount_options+0x1fa/0x2f0 [ 42.979559] ? copy_mnt_ns+0xa30/0xa30 [ 42.983422] SyS_mount+0xa8/0x120 [ 42.986848] ? copy_mnt_ns+0xa30/0xa30 [ 42.990714] do_syscall_64+0x1d5/0x640 [ 42.994578] entry_SYSCALL_64_after_hwframe+0x5e/0xd3 [ 43.000651] attempt to access beyond end of device [ 43.005584] loop0: rw=0, want=10310910, limit=112 [ 43.010508] Buffer I/O error on dev loop0, logical block 10310909, async page read [