loop4: rw=0, sector=13466417, nr_sectors = 1 limit=128 Buffer I/O error on dev loop4, logical block 13466417, async page read syz-executor.4: attempt to access beyond end of device loop4: rw=0, sector=8073605, nr_sectors = 1 limit=128 Buffer I/O error on dev loop4, logical block 8073605, async page read BUG: sleeping function called from invalid context at fs/buffer.c:1331 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5768, name: syz-executor.4 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor.4/5768: #0: ffff888022008bc0 (&iint->mutex){+.+.}-{3:3}, at: process_measurement+0x3b9/0x18b0 security/integrity/ima/ima_main.c:260 #1: ffff88806b744db8 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:811 [inline] #1: ffff88806b744db8 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: page_cache_ra_unbounded+0x153/0x5e0 mm/readahead.c:226 #2: ffffffff8c963d58 (pointers_lock){.+.+}-{2:2}, at: get_block+0x16b/0x1580 fs/sysv/itree.c:217 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 PID: 5768 Comm: syz-executor.4 Not tainted 6.1.0-rc7-syzkaller-00012-gca57f02295f1 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd1/0x138 lib/dump_stack.c:106 __might_resched.cold+0x222/0x26b kernel/sched/core.c:9908 __getblk_gfp fs/buffer.c:1331 [inline] __bread_gfp+0x40/0x330 fs/buffer.c:1367 sb_bread include/linux/buffer_head.h:338 [inline] get_branch+0x2cd/0x640 fs/sysv/itree.c:104 get_block+0x188/0x1580 fs/sysv/itree.c:218 block_read_full_folio+0x35b/0x9d0 fs/buffer.c:2271 read_pages+0xa16/0xd60 mm/readahead.c:181 page_cache_ra_unbounded+0x477/0x5e0 mm/readahead.c:270 do_page_cache_ra mm/readahead.c:300 [inline] page_cache_ra_order+0x6ec/0xa00 mm/readahead.c:560 ondemand_readahead+0x6b3/0x1000 mm/readahead.c:682 page_cache_sync_ra+0x1c9/0x200 mm/readahead.c:709 page_cache_sync_readahead include/linux/pagemap.h:1213 [inline] filemap_get_pages+0x2ca/0x16b0 mm/filemap.c:2581 filemap_read+0x315/0xc00 mm/filemap.c:2675 generic_file_read_iter+0x3b4/0x5a0 mm/filemap.c:2821 __kernel_read+0x2ca/0x7c0 fs/read_write.c:428 integrity_kernel_read+0x7f/0xb0 security/integrity/iint.c:199 ima_calc_file_hash_tfm+0x2aa/0x3b0 security/integrity/ima/ima_crypto.c:485 ima_calc_file_shash security/integrity/ima/ima_crypto.c:516 [inline] ima_calc_file_hash+0x195/0x4a0 security/integrity/ima/ima_crypto.c:573 ima_collect_measurement+0x642/0x7b0 security/integrity/ima/ima_api.c:292 process_measurement+0xd1e/0x18b0 security/integrity/ima/ima_main.c:337 ima_file_check+0xb0/0x100 security/integrity/ima/ima_main.c:517 do_open fs/namei.c:3559 [inline] path_openat+0x1611/0x2860 fs/namei.c:3714 do_filp_open+0x1ba/0x410 fs/namei.c:3741 do_sys_openat2+0x16d/0x4c0 fs/open.c:1310 do_sys_open fs/open.c:1326 [inline] __do_sys_open fs/open.c:1334 [inline] __se_sys_open fs/open.c:1330 [inline] __x64_sys_open+0x11d/0x1c0 fs/open.c:1330 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb877c8c0d9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 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:00007fb8789eb168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fb877dabf80 RCX: 00007fb877c8c0d9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 RBP: 00007fb877ce7ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd357ae78f R14: 00007fb8789eb300 R15: 0000000000022000 syz-executor.4: attempt to access beyond end of device loop4: rw=0, sector=3245518, nr_sectors = 1 limit=128 Buffer I/O error on dev loop4, logical block 3245518, async page read syz-executor.4: attempt to access beyond end of device loop4: rw=0, sector=8769403, nr_sectors = 1 limit=128 syz-executor.4 (5768) used greatest stack depth: 22480 bytes left