Buffer I/O error on dev loop2, logical block 13466417, async page read syz-executor.2: attempt to access beyond end of device loop2: rw=0, sector=8073605, nr_sectors = 1 limit=128 Buffer I/O error on dev loop2, 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: 5832, name: syz-executor.2 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor.2/5832: #0: ffff888027beb898 (&iint_mutex_key[depth]){+.+.}-{3:3}, at: process_measurement+0x896/0x2260 security/integrity/ima/ima_main.c:267 #1: ffff88806aba22d8 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:857 [inline] #1: ffff88806aba22d8 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: page_cache_ra_unbounded+0x13a/0x5f0 mm/readahead.c:225 #2: ffffffff8d3ce3b8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x15c0 fs/sysv/itree.c:221 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 PID: 5832 Comm: syz-executor.2 Not tainted 6.7.0-rc1-syzkaller-00019-gc42d9eeef8e5 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/10/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10151 might_alloc include/linux/sched/mm.h:306 [inline] bdev_getblk+0x89/0xc0 fs/buffer.c:1425 __bread_gfp+0xaf/0x370 fs/buffer.c:1474 sb_bread include/linux/buffer_head.h:324 [inline] get_branch+0x2cb/0x660 fs/sysv/itree.c:104 get_block+0x1ad/0x15c0 fs/sysv/itree.c:222 block_read_full_folio+0x3df/0xaa0 fs/buffer.c:2399 read_pages+0xa76/0xdc0 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+0x72b/0xa80 mm/readahead.c:546 ondemand_readahead+0x493/0x1130 mm/readahead.c:668 page_cache_sync_ra+0x174/0x1d0 mm/readahead.c:695 page_cache_sync_readahead include/linux/pagemap.h:1266 [inline] filemap_get_pages+0xc06/0x1830 mm/filemap.c:2497 filemap_read+0x39b/0xcf0 mm/filemap.c:2593 generic_file_read_iter+0x346/0x450 mm/filemap.c:2772 __kernel_read+0x301/0x870 fs/read_write.c:428 integrity_kernel_read+0x7f/0xb0 security/integrity/iint.c:221 ima_calc_file_hash_tfm+0x2c5/0x3d0 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+0x85e/0xa20 security/integrity/ima/ima_api.c:290 process_measurement+0xe92/0x2260 security/integrity/ima/ima_main.c:359 ima_file_check+0xc2/0x110 security/integrity/ima/ima_main.c:557 do_open fs/namei.c:3624 [inline] path_openat+0x1821/0x2c50 fs/namei.c:3779 do_filp_open+0x1de/0x430 fs/namei.c:3809 do_sys_openat2+0x176/0x1e0 fs/open.c:1440 do_sys_open fs/open.c:1455 [inline] __do_sys_open fs/open.c:1463 [inline] __se_sys_open fs/open.c:1459 [inline] __x64_sys_open+0x154/0x1e0 fs/open.c:1459 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x40/0x110 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7fc54467c859 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc5454ae0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fc54479bf80 RCX: 00007fc54467c859 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 RBP: 00007fc5446d8ad0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fc54479bf80 R15: 00007ffdcad58578 syz-executor.2: attempt to access beyond end of device loop2: rw=0, sector=3245518, nr_sectors = 1 limit=128 Buffer I/O error on dev loop2, logical block 3245518, async page read syz-executor.2: attempt to access beyond end of device loop2: rw=0, sector=8769403, nr_sectors = 1 limit=128 Buffer I/O error on dev loop2, logical block 8769403, async page read syz-executor.2 (5832) used greatest stack depth: 21760 bytes left