Buffer I/O error on dev loop1, logical block 13466417, async page read syz-executor.1: attempt to access beyond end of device loop1: rw=0, sector=209285, nr_sectors = 1 limit=128 Buffer I/O error on dev loop1, logical block 209285, async page read BUG: sleeping function called from invalid context at fs/buffer.c:1437 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 27550, name: syz-executor.1 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor.1/27550: #0: ffff88801d3e32c0 (&iint->mutex){+.+.}-{3:3}, at: process_measurement+0x893/0x1cc0 security/integrity/ima/ima_main.c:266 #1: ffff88808106b870 (mapping.invalidate_lock#8){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:857 [inline] #1: ffff88808106b870 (mapping.invalidate_lock#8){.+.+}-{3:3}, at: page_cache_ra_unbounded+0x13a/0x5e0 mm/readahead.c:225 #2: ffffffff8cfbff78 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 PID: 27550 Comm: syz-executor.1 Not tainted 6.6.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023 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:10187 __getblk_gfp fs/buffer.c:1437 [inline] __bread_gfp+0x3f/0x310 fs/buffer.c:1473 sb_bread include/linux/buffer_head.h:326 [inline] get_branch+0x2cb/0x660 fs/sysv/itree.c:104 get_block+0x1ad/0x14f0 fs/sysv/itree.c:222 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2391 read_pages+0xa76/0xdb0 mm/readahead.c:180 page_cache_ra_unbounded+0x457/0x5e0 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:1293 [inline] filemap_get_pages+0xc06/0x1830 mm/filemap.c:2556 filemap_read+0x39b/0xcf0 mm/filemap.c:2652 generic_file_read_iter+0x346/0x450 mm/filemap.c:2831 __kernel_read+0x301/0x8a0 fs/read_write.c:428 integrity_kernel_read+0x7f/0xb0 security/integrity/iint.c:195 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+0x5e2/0x6f0 security/integrity/ima/ima_api.c:289 process_measurement+0xc87/0x1cc0 security/integrity/ima/ima_main.c:345 ima_file_check+0xc2/0x110 security/integrity/ima/ima_main.c:543 do_open fs/namei.c:3641 [inline] path_openat+0x17a1/0x29c0 fs/namei.c:3796 do_filp_open+0x1de/0x430 fs/namei.c:3823 do_sys_openat2+0x176/0x1e0 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_sys_open fs/open.c:1445 [inline] __se_sys_open fs/open.c:1441 [inline] __x64_sys_open+0x154/0x1e0 fs/open.c:1441 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fd474a7cae9 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:00007fd47583d0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007fd474b9bf80 RCX: 00007fd474a7cae9 RDX: 0000000000000310 RSI: 0000000000000100 RDI: 00000000200001c0 RBP: 00007fd474ac847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fd474b9bf80 R15: 00007ffc9291ae78 syz-executor.1: attempt to access beyond end of device loop1: rw=0, sector=8767744, nr_sectors = 1 limit=128 Buffer I/O error on dev loop1, logical block 8767744, async page read syz-executor.1: attempt to access beyond end of device loop1: rw=0, sector=13269809, nr_sectors = 1 limit=128 Buffer I/O error on dev loop1, logical block 13269809, async page read syz-executor.1: attempt to access beyond end of device loop1: rw=0, sector=1157, nr_sectors = 1 limit=128 Buffer I/O error on dev loop1, logical block 1157, async page read