Buffer I/O error on dev loop0, logical block 13466417, async page read syz-executor123: attempt to access beyond end of device loop0: rw=0, sector=8073605, nr_sectors = 1 limit=128 Buffer I/O error on dev loop0, logical block 8073605, async page read BUG: sleeping function called from invalid context at include/linux/sched/mm.h:306 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5166, name: syz-executor123 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor123/5166: #0: ffff88802af6ed38 (&iint_mutex_key[depth]){+.+.}-{3:3}, at: process_measurement+0x89a/0x2280 security/integrity/ima/ima_main.c:267 #1: ffff888032078328 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:859 [inline] #1: ffff888032078328 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: page_cache_ra_unbounded+0x13a/0x5f0 mm/readahead.c:225 #2: ffffffff8dbd4db8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x15c0 fs/sysv/itree.c:222 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 3 PID: 5166 Comm: syz-executor123 Not tainted 6.8.0-rc7-syzkaller-00250-g137e0ec05aeb #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c7/0x5e0 kernel/sched/core.c:10176 might_alloc include/linux/sched/mm.h:306 [inline] bdev_getblk+0x8d/0xc0 fs/buffer.c:1425 __bread_gfp+0xa9/0x370 fs/buffer.c:1474 sb_bread include/linux/buffer_head.h:321 [inline] get_branch+0x2cb/0x670 fs/sysv/itree.c:105 get_block+0x1ad/0x15c0 fs/sysv/itree.c:223 block_read_full_folio+0x38f/0xa70 fs/buffer.c:2382 read_pages+0xa7d/0xdd0 mm/readahead.c:180 page_cache_ra_unbounded+0x457/0x5f0 mm/readahead.c:269 do_page_cache_ra mm/readahead.c:299 [inline] page_cache_ra_order+0x7b7/0xa70 mm/readahead.c:544 ondemand_readahead+0x520/0x1140 mm/readahead.c:666 page_cache_sync_ra+0x174/0x1d0 mm/readahead.c:693 page_cache_sync_readahead include/linux/pagemap.h:1300 [inline] filemap_get_pages+0xc10/0x1840 mm/filemap.c:2498 filemap_read+0x39b/0xcf0 mm/filemap.c:2594 generic_file_read_iter+0x350/0x460 mm/filemap.c:2784 __kernel_read+0x3ee/0xb20 fs/read_write.c:434 integrity_kernel_read+0x7f/0xb0 security/integrity/iint.c:221 ima_calc_file_hash_tfm+0x2cf/0x3e0 security/integrity/ima/ima_crypto.c:485 ima_calc_file_shash security/integrity/ima/ima_crypto.c:516 [inline] ima_calc_file_hash+0x1c6/0x4a0 security/integrity/ima/ima_crypto.c:573 ima_collect_measurement+0x86c/0xa20 security/integrity/ima/ima_api.c:290 process_measurement+0xe96/0x2280 security/integrity/ima/ima_main.c:359 ima_file_check+0xc2/0x110 security/integrity/ima/ima_main.c:557 do_open fs/namei.c:3647 [inline] path_openat+0x17b1/0x29a0 fs/namei.c:3802 do_filp_open+0x1de/0x440 fs/namei.c:3829 do_sys_openat2+0x17a/0x1e0 fs/open.c:1404 do_sys_open fs/open.c:1419 [inline] __do_sys_open fs/open.c:1427 [inline] __se_sys_open fs/open.c:1423 [inline] __x64_sys_open+0x154/0x1e0 fs/open.c:1423 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd5/0x270 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x6f/0x77 RIP: 0033:0x7fbf5f36f5f9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff54165128 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007fbf5f36f5f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000000 RBP: 00007fbf5f3ec610 R08: 0000000000009e07 R09: 0000000000000000 R10: 00007fff54164ff0 R11: 0000000000000246 R12: 0000000000000001 R13: 00007fff541652f8 R14: 0000000000000001 R15: 0000000000000001 syz-executor123: attempt to access beyond end of device loop0: rw=0, sector=3245518, nr_sectors = 1 limit=128 Buffer I/O error on dev loop0, logical block 3245518, async page read syz-executor123: attempt to access beyond end of device loop0: rw=0, sector=8769403, nr_sectors = 1 limit=128 Buffer I/O error on dev loop0, logical block 8769403, async page read