loop2: rw=0, want=13466418, limit=128 Buffer I/O error on dev loop2, logical block 13466417, async page read attempt to access beyond end of device loop2: rw=0, want=8073606, 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:1319 in_atomic(): 1, irqs_disabled(): 0, pid: 10536, name: syz-executor.2 2 locks held by syz-executor.2/10536: #0: 000000002c5bd35f (&iint->mutex){+.+.}, at: process_measurement+0x316/0x1440 security/integrity/ima/ima_main.c:224 #1: 000000005a7ebf4f (pointers_lock){.+.+}, at: get_block+0x171/0x1510 fs/sysv/itree.c:217 Preemption disabled at: [<0000000000000000>] (null) CPU: 0 PID: 10536 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 ___might_sleep.cold+0x235/0x250 kernel/sched/core.c:6192 __getblk_gfp fs/buffer.c:1319 [inline] __bread_gfp+0x3f/0x300 fs/buffer.c:1366 sb_bread include/linux/buffer_head.h:309 [inline] get_branch+0x2cd/0x640 fs/sysv/itree.c:104 get_block+0x194/0x1510 fs/sysv/itree.c:218 block_read_full_page+0x288/0xd10 fs/buffer.c:2259 read_pages.isra.0+0x329/0x5d0 mm/readahead.c:133 __do_page_cache_readahead+0x5c6/0x6c0 mm/readahead.c:211 ra_submit mm/internal.h:66 [inline] ondemand_readahead.isra.0+0x575/0xd40 mm/readahead.c:493 page_cache_sync_readahead mm/readahead.c:528 [inline] page_cache_sync_readahead+0x275/0x520 mm/readahead.c:510 generic_file_buffered_read mm/filemap.c:2115 [inline] generic_file_read_iter+0x1497/0x2b60 mm/filemap.c:2385 call_read_iter include/linux/fs.h:1815 [inline] new_sync_read fs/read_write.c:406 [inline] __vfs_read+0x518/0x750 fs/read_write.c:418 integrity_kernel_read+0x147/0x1f0 security/integrity/iint.c:200 ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:364 [inline] ima_calc_file_shash security/integrity/ima/ima_crypto.c:393 [inline] ima_calc_file_hash+0x4b2/0x8a0 security/integrity/ima/ima_crypto.c:450 ima_collect_measurement+0x4c4/0x570 security/integrity/ima/ima_api.c:231 process_measurement+0xddd/0x1440 security/integrity/ima/ima_main.c:284 ima_file_check+0xb9/0x100 security/integrity/ima/ima_main.c:391 do_last fs/namei.c:3425 [inline] path_openat+0x7e4/0x2df0 fs/namei.c:3537 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_sys_open+0x3b3/0x520 fs/open.c:1085 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f588f3a00c9 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:00007f5885501168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f588f4c0050 RCX: 00007f588f3a00c9 RDX: 000000000000001a RSI: 0000000000040400 RDI: 00000000200000c0 RBP: 00007f588f3fbae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff291ccbbf R14: 00007f5885501300 R15: 0000000000022000 attempt to access beyond end of device loop2: rw=0, want=3245519, limit=128 Buffer I/O error on dev loop2, logical block 3245518, async page read attempt to access beyond end of device loop2: rw=0, want=8769404, limit=128 Buffer I/O error on dev loop2, logical block 8769403, async page read attempt to access beyond end of device loop2: rw=0, want=3245513, limit=128 attempt to access beyond end of device loop2: rw=0, want=8767868, limit=128 attempt to access beyond end of device loop2: rw=0, want=13269810, limit=128 attempt to access beyond end of device loop2: rw=0, want=8073606, limit=128 attempt to access beyond end of device loop2: rw=0, want=3245516, limit=128 attempt to access beyond end of device loop2: rw=0, want=8768636, limit=128 attempt to access beyond end of device loop2: rw=0, want=13466418, limit=128 attempt to access beyond end of device loop2: rw=0, want=8073606, limit=128 audit: type=1800 audit(1673419193.770:321): pid=10536 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.2" name="/" dev="loop2" ino=2 res=0 VFS: Found a Xenix FS (block size = 512) on device loop2 sysv_count_free_blocks: >flc_size entries in free-list block sysv_count_free_inodes: unable to read inode table attempt to access beyond end of device loop2: rw=0, want=3245513, limit=128 attempt to access beyond end of device loop2: rw=0, want=8767868, limit=128 attempt to access beyond end of device loop2: rw=0, want=13269810, limit=128 attempt to access beyond end of device sysv_count_free_blocks: >flc_size entries in free-list block loop2: rw=0, want=8073606, limit=128 audit: type=1804 audit(1673419194.300:322): pid=10609 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.2" name="/root/syzkaller-testdir398982498/syzkaller.ROmhkE/1005/file0" dev="loop2" ino=2 res=1 attempt to access beyond end of device loop2: rw=0, want=3245516, limit=128 sysv_count_free_inodes: unable to read inode table attempt to access beyond end of device loop2: rw=0, want=8768636, limit=128 attempt to access beyond end of device loop2: rw=0, want=13466418, limit=128 attempt to access beyond end of device loop2: rw=0, want=8073606, limit=128 BUG: sleeping function called from invalid context at fs/buffer.c:1319 in_atomic(): 1, irqs_disabled(): 0, pid: 10607, name: syz-executor.2 2 locks held by syz-executor.2/10607: #0: 000000000d6f0463 (&iint->mutex){+.+.}, at: process_measurement+0x316/0x1440 security/integrity/ima/ima_main.c:224 #1: 000000005a7ebf4f (pointers_lock){.+.+}, at: get_block+0x171/0x1510 fs/sysv/itree.c:217 Preemption disabled at: [<0000000000000000>] (null) CPU: 1 PID: 10607 Comm: syz-executor.2 Tainted: G W 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 ___might_sleep.cold+0x235/0x250 kernel/sched/core.c:6192 __getblk_gfp fs/buffer.c:1319 [inline] __bread_gfp+0x3f/0x300 fs/buffer.c:1366 sb_bread include/linux/buffer_head.h:309 [inline] get_branch+0x2cd/0x640 fs/sysv/itree.c:104 get_block+0x194/0x1510 fs/sysv/itree.c:218 block_read_full_page+0x288/0xd10 fs/buffer.c:2259 read_pages.isra.0+0x329/0x5d0 mm/readahead.c:133 __do_page_cache_readahead+0x5c6/0x6c0 mm/readahead.c:211 ra_submit mm/internal.h:66 [inline] ondemand_readahead.isra.0+0x575/0xd40 mm/readahead.c:493 page_cache_sync_readahead mm/readahead.c:528 [inline] page_cache_sync_readahead+0x275/0x520 mm/readahead.c:510 generic_file_buffered_read mm/filemap.c:2115 [inline] generic_file_read_iter+0x1497/0x2b60 mm/filemap.c:2385 call_read_iter include/linux/fs.h:1815 [inline] new_sync_read fs/read_write.c:406 [inline] __vfs_read+0x518/0x750 fs/read_write.c:418 integrity_kernel_read+0x147/0x1f0 security/integrity/iint.c:200 ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:364 [inline] ima_calc_file_shash security/integrity/ima/ima_crypto.c:393 [inline] ima_calc_file_hash+0x4b2/0x8a0 security/integrity/ima/ima_crypto.c:450 ima_collect_measurement+0x4c4/0x570 security/integrity/ima/ima_api.c:231 process_measurement+0xddd/0x1440 security/integrity/ima/ima_main.c:284 ima_file_check+0xb9/0x100 security/integrity/ima/ima_main.c:391 do_last fs/namei.c:3425 [inline] path_openat+0x7e4/0x2df0 fs/namei.c:3537 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_sys_open+0x3b3/0x520 fs/open.c:1085 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f588f3a00c9 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:00007f5885501168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f588f4c0050 RCX: 00007f588f3a00c9 RDX: 000000000000001a RSI: 0000000000040400 RDI: 00000000200000c0 RBP: 00007f588f3fbae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff291ccbbf R14: 00007f5885501300 R15: 0000000000022000 attempt to access beyond end of device loop2: rw=0, want=3245519, limit=128 attempt to access beyond end of device loop2: rw=0, want=8769404, limit=128 attempt to access beyond end of device loop2: rw=0, want=3245513, limit=128 attempt to access beyond end of device loop2: rw=0, want=8767868, limit=128 attempt to access beyond end of device loop2: rw=0, want=13269810, limit=128 attempt to access beyond end of device loop2: rw=0, want=8073606, limit=128 attempt to access beyond end of device loop2: rw=0, want=3245516, limit=128 attempt to access beyond end of device loop2: rw=0, want=8768636, limit=128 attempt to access beyond end of device loop2: rw=0, want=13466418, limit=128 attempt to access beyond end of device loop2: rw=0, want=8073606, limit=128 attempt to access beyond end of device loop2: rw=0, want=3245513, limit=128 attempt to access beyond end of device loop2: rw=0, want=8767868, limit=128 attempt to access beyond end of device loop2: rw=0, want=13269810, limit=128 attempt to access beyond end of device loop2: rw=0, want=8073606, limit=128 attempt to access beyond end of device loop2: rw=0, want=3245516, limit=128 attempt to access beyond end of device loop2: rw=0, want=8768636, limit=128 attempt to access beyond end of device loop2: rw=0, want=13466418, limit=128 attempt to access beyond end of device loop2: rw=0, want=8073606, limit=128 audit: type=1800 audit(1673419194.470:323): pid=10607 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.2" name="/" dev="loop2" ino=2 res=0 audit: type=1800 audit(1673419194.470:324): pid=10612 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.2" name="/" dev="loop2" ino=2 res=0 audit: type=1804 audit(1673419194.870:325): pid=10631 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir398982498/syzkaller.ROmhkE/1006/file0" dev="sda1" ino=15628 res=1 VFS: Found a Xenix FS (block size = 512) on device loop2 audit: type=1804 audit(1673419195.240:326): pid=10653 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir398982498/syzkaller.ROmhkE/1007/file0" dev="sda1" ino=15624 res=1 VFS: Found a Xenix FS (block size = 512) on device loop2 sysv_count_free_blocks: >flc_size entries in free-list block sysv_count_free_inodes: unable to read inode table audit: type=1804 audit(1673419195.970:327): pid=10684 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.2" name="/root/syzkaller-testdir398982498/syzkaller.ROmhkE/1008/file0" dev="sda1" ino=15633 res=1 VFS: Found a Xenix FS (block size = 512) on device loop2 sysv_count_free_blocks: >flc_size entries in free-list block sysv_count_free_inodes: unable to read inode table VFS: Found a Xenix FS (block size = 512) on device loop2 VFS: Found a Xenix FS (block size = 512) on device loop2 sysv_count_free_blocks: >flc_size entries in free-list block sysv_count_free_inodes: unable to read inode table VFS: Found a Xenix FS (block size = 512) on device loop2 VFS: Found a Xenix FS (block size = 512) on device loop2 sysv_count_free_blocks: >flc_size entries in free-list block sysv_count_free_inodes: unable to read inode table VFS: Found a Xenix FS (block size = 512) on device loop2 sysv_count_free_blocks: >flc_size entries in free-list block sysv_count_free_inodes: unable to read inode table VFS: Found a Xenix FS (block size = 512) on device loop2 audit: type=1804 audit(1673419202.360:328): pid=11082 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.1" name="/root/syzkaller-testdir3183561841/syzkaller.nU1J4i/957/file0" dev="sda1" ino=14671 res=1 VFS: Found a Xenix FS (block size = 512) on device loop2