loop2: rw=0, sector=8768635, nr_sectors = 1 limit=128 Buffer I/O error on dev loop2, logical block 8768635, async page read syz-executor.2: attempt to access beyond end of device loop2: rw=0, sector=13466417, nr_sectors = 1 limit=128 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 fs/buffer.c:1374 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 6410, name: syz-executor.2 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor.2/6410: #0: ffff88802c239620 (&iint->mutex){+.+.}-{3:3}, at: process_measurement+0x7c0/0x1ce0 security/integrity/ima/ima_main.c:262 #1: ffff88806eb5b2b0 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:813 [inline] #1: ffff88806eb5b2b0 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: page_cache_ra_unbounded+0xf1/0x7c0 mm/readahead.c:226 #2: ffffffff8d1e7418 (pointers_lock){.+.+}-{2:2}, at: get_block+0x15f/0x16a0 fs/sysv/itree.c:217 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 PID: 6410 Comm: syz-executor.2 Not tainted 6.3.0-rc4-syzkaller-00039-gffe78bbd5121 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 __might_resched+0x5cf/0x780 kernel/sched/core.c:10061 __getblk_gfp+0x45/0xa40 fs/buffer.c:1374 __bread_gfp+0x2e/0x380 fs/buffer.c:1410 sb_bread include/linux/buffer_head.h:341 [inline] get_branch+0x2af/0x660 fs/sysv/itree.c:104 get_block+0x17c/0x16a0 fs/sysv/itree.c:218 block_read_full_folio+0x47b/0x1000 fs/buffer.c:2319 read_pages+0x5fa/0x830 mm/readahead.c:181 page_cache_ra_unbounded+0x697/0x7c0 mm/readahead.c:270 page_cache_sync_readahead include/linux/pagemap.h:1214 [inline] filemap_get_pages+0x49c/0x20c0 mm/filemap.c:2598 filemap_read+0x45a/0x1170 mm/filemap.c:2693 __kernel_read+0x422/0x8a0 fs/read_write.c:428 integrity_kernel_read+0xb0/0xf0 security/integrity/iint.c:199 ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:485 [inline] ima_calc_file_shash security/integrity/ima/ima_crypto.c:516 [inline] ima_calc_file_hash+0xa5b/0x1c00 security/integrity/ima/ima_crypto.c:573 ima_collect_measurement+0x3a7/0x880 security/integrity/ima/ima_api.c:293 process_measurement+0xfdb/0x1ce0 security/integrity/ima/ima_main.c:341 ima_file_check+0xf1/0x170 security/integrity/ima/ima_main.c:539 do_open fs/namei.c:3562 [inline] path_openat+0x280a/0x3170 fs/namei.c:3715 do_filp_open+0x234/0x490 fs/namei.c:3742 do_sys_openat2+0x13f/0x500 fs/open.c:1348 do_sys_open fs/open.c:1364 [inline] __do_sys_open fs/open.c:1372 [inline] __se_sys_open fs/open.c:1368 [inline] __x64_sys_open+0x225/0x270 fs/open.c:1368 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x41/0xc0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f67fae8c0f9 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:00007f67fbc08168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f67fafabf80 RCX: 00007f67fae8c0f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000080 RBP: 00007f67faee7b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff80f2d0ef R14: 00007f67fbc08300 R15: 0000000000022000 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 syz-executor.2 (6410) used greatest stack depth: 19816 bytes left