loop1: rw=0, want=13466418, limit=128 attempt to access beyond end of device loop1: 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: 12643, name: syz-executor.1 2 locks held by syz-executor.1/12643: #0: 00000000a9af5a8e (&iint->mutex){+.+.}, at: process_measurement+0x316/0x1440 security/integrity/ima/ima_main.c:224 #1: 00000000aa0a52b9 (pointers_lock){.+.+}, at: get_block+0x171/0x1510 fs/sysv/itree.c:217 Preemption disabled at: [<0000000000000000>] (null) CPU: 0 PID: 12643 Comm: syz-executor.1 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 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: 0033:0x7f2fb1df40c9 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:00007f2fb0366168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f2fb1f13f80 RCX: 00007f2fb1df40c9 RDX: 0000000000000000 RSI: 000000000002007e RDI: 00000000200000c0 RBP: 00007f2fb1e4fae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd4538ffaf R14: 00007f2fb0366300 R15: 0000000000022000 attempt to access beyond end of device loop1: rw=0, want=3245519, limit=128 attempt to access beyond end of device loop1: rw=0, want=8769404, limit=128 attempt to access beyond end of device loop1: rw=0, want=3245513, limit=128 attempt to access beyond end of device loop1: rw=0, want=8767868, limit=128 attempt to access beyond end of device loop1: rw=0, want=13269810, limit=128 attempt to access beyond end of device loop1: rw=0, want=8073606, limit=128 attempt to access beyond end of device loop1: rw=0, want=3245516, limit=128 attempt to access beyond end of device loop1: rw=0, want=8768636, limit=128 attempt to access beyond end of device loop1: rw=0, want=13466418, limit=128 attempt to access beyond end of device loop1: rw=0, want=8073606, limit=128 audit: type=1800 audit(1674343350.481:52): pid=12643 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.1" name="/" dev="loop1" ino=2 res=0 VFS: unable to find oldfs superblock on device loop2 VFS: unable to find oldfs superblock on device loop5 VFS: Found a Xenix FS (block size = 512) on device loop0 VFS: Found a Xenix FS (block size = 512) on device loop1 VFS: Found a Xenix FS (block size = 1024) on device loop3 VFS: Found a Xenix FS (block size = 1024) on device loop4 sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_inode: inode 0,1,2 or nonexistent inode sysv_free_block: flc_count > flc_size VFS: unable to find oldfs superblock on device loop5 sysv_free_block: flc_count > flc_size VFS: unable to find oldfs superblock on device loop2 sysv_free_block: flc_count > flc_size VFS: Found a Xenix FS (block size = 512) on device loop0 sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_inode: inode 0,1,2 or nonexistent inode VFS: Found a Xenix FS (block size = 512) on device loop1 attempt to access beyond end of device loop0: rw=0, want=3245519, limit=128 sysv_free_block: flc_count > flc_size VFS: unable to find oldfs superblock on device loop3 VFS: Found a Xenix FS (block size = 1024) on device loop4 VFS: unable to find oldfs superblock on device loop5 sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size audit: type=1804 audit(1674343351.461:53): pid=12771 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir2859142842/syzkaller.o3jlUl/59/file0" dev="sda1" ino=14348 res=1 sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size VFS: Found a Xenix FS (block size = 512) on device loop0 VFS: Found a Xenix FS (block size = 512) on device loop1 VFS: unable to find oldfs superblock on device loop2 attempt to access beyond end of device VFS: unable to find oldfs superblock on device loop3 loop0: rw=0, want=3245513, limit=128 sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_inode: inode 0,1,2 or nonexistent inode VFS: unable to find oldfs superblock on device loop5 VFS: unable to find oldfs superblock on device loop2 audit: type=1804 audit(1674343351.861:54): pid=12804 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir2859142842/syzkaller.o3jlUl/60/file0" dev="sda1" ino=14359 res=1 VFS: Found a Xenix FS (block size = 512) on device loop0 attempt to access beyond end of device loop0: rw=0, want=3245513, limit=128 sysv_free_block: flc_count > flc_size VFS: unable to find oldfs superblock on device loop4 sysv_free_block: flc_count > flc_size VFS: unable to find oldfs superblock on device loop3 VFS: Found a Xenix FS (block size = 512) on device loop1 sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size attempt to access beyond end of device audit: type=1804 audit(1674343352.111:55): pid=12819 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir2859142842/syzkaller.o3jlUl/60/file0" dev="loop0" ino=2 res=1 loop0: rw=0, want=3245513, limit=128 buffer_io_error: 88 callbacks suppressed Buffer I/O error on dev loop0, logical block 3245512, async page read audit: type=1800 audit(1674343352.161:56): pid=12818 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.0" name="/" dev="loop0" ino=2 res=0 attempt to access beyond end of device loop0: rw=0, want=3245513, limit=128 Buffer I/O error on dev loop0, logical block 3245512, async page read VFS: unable to find oldfs superblock on device loop5 VFS: unable to find oldfs superblock on device loop2 VFS: unable to find oldfs superblock on device loop3 VFS: unable to find oldfs superblock on device loop2 VFS: Found a Xenix FS (block size = 512) on device loop4 kauditd_printk_skb: 1 callbacks suppressed audit: type=1804 audit(1674343352.491:58): pid=12867 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir2859142842/syzkaller.o3jlUl/61/file0" dev="sda1" ino=14385 res=1 VFS: Found a Xenix FS (block size = 512) on device loop1 VFS: unable to find oldfs superblock on device loop5 VFS: Found a Xenix FS (block size = 512) on device loop0 attempt to access beyond end of device VFS: unable to find oldfs superblock on device loop2 VFS: unable to find oldfs superblock on device loop3 loop0: rw=0, want=3245513, limit=128 sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size sysv_free_block: flc_count > flc_size VFS: unable to find oldfs superblock on device loop5 sysv_free_block: flc_count > flc_size attempt to access beyond end of device audit: type=1804 audit(1674343352.801:59): pid=12888 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=open_writers comm="syz-executor.0" name="/root/syzkaller-testdir2859142842/syzkaller.o3jlUl/61/file0" dev="loop0" ino=2 res=1 loop0: rw=0, want=3245513, limit=128 audit: type=1804 audit(1674343352.801:60): pid=12887 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=invalid_pcr cause=ToMToU comm="syz-executor.0" name="/root/syzkaller-testdir2859142842/syzkaller.o3jlUl/61/file0" dev="loop0" ino=2 res=1 Buffer I/O error on dev loop0, logical block 3245512, async page read attempt to access beyond end of device loop0: rw=0, want=3245513, limit=128 Buffer I/O error on dev loop0, logical block 3245512, async page read VFS: unable to find oldfs superblock on device loop4 audit: type=1800 audit(1674343352.881:61): pid=12888 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.0" name="/" dev="loop0" ino=2 res=0 VFS: unable to find oldfs superblock on device loop2 audit: type=1800 audit(1674343352.911:62): pid=12887 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.0" name="/" dev="loop0" ino=2 res=0 VFS: unable to find oldfs superblock on device loop3 VFS: unable to find oldfs superblock on device loop5 VFS: Found a Xenix FS (block size = 512) on device loop0 attempt to access beyond end of device loop0: rw=0, want=3245519, limit=128 sysv_free_block: flc_count > flc_size VFS: unable to find oldfs superblock on device loop2 VFS: unable to find oldfs superblock on device loop3 VFS: unable to find oldfs superblock on device loop5 VFS: Found a Xenix FS (block size = 512) on device loop0 VFS: unable to find oldfs superblock on device loop4 attempt to access beyond end of device loop0: rw=0, want=3245519, limit=128 sysv_free_block: flc_count > flc_size attempt to access beyond end of device loop0: rw=0, want=3245513, limit=128 Buffer I/O error on dev loop0, logical block 3245512, async page read attempt to access beyond end of device loop0: rw=0, want=8767868, limit=128 Buffer I/O error on dev loop0, logical block 8767867, async page read VFS: unable to find oldfs superblock on device loop5 attempt to access beyond end of device VFS: unable to find oldfs superblock on device loop2 VFS: unable to find oldfs superblock on device loop4 VFS: unable to find oldfs superblock on device loop3 loop0: rw=0, want=13269810, limit=128 Buffer I/O error on dev loop0, logical block 13269809, async page read attempt to access beyond end of device loop0: rw=0, want=8073606, limit=128 Buffer I/O error on dev loop0, logical block 8073605, async page read attempt to access beyond end of device loop0: rw=0, want=3245516, limit=128 Buffer I/O error on dev loop0, logical block 3245515, async page read attempt to access beyond end of device loop0: rw=0, want=8768636, limit=128 Buffer I/O error on dev loop0, logical block 8768635, async page read attempt to access beyond end of device loop0: rw=0, want=13466418, limit=128 attempt to access beyond end of device loop0: rw=0, want=8073606, limit=128 attempt to access beyond end of device loop0: rw=0, want=3245513, limit=128 attempt to access beyond end of device loop0: rw=0, want=8767868, limit=128 attempt to access beyond end of device loop0: rw=0, want=13269810, limit=128 attempt to access beyond end of device loop0: rw=0, want=8073606, limit=128 attempt to access beyond end of device loop0: rw=0, want=3245516, limit=128 attempt to access beyond end of device loop0: rw=0, want=8768636, limit=128 attempt to access beyond end of device loop0: rw=0, want=13466418, limit=128 attempt to access beyond end of device loop0: rw=0, want=8073606, limit=128 audit: type=1800 audit(1674343356.041:63): pid=12940 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.0" name="/" dev="loop0" ino=2 res=0 VFS: Found a Xenix FS (block size = 512) on device loop0 attempt to access beyond end of device loop0: rw=0, want=3245519, limit=128 sysv_free_block: flc_count > flc_size attempt to access beyond end of device loop0: rw=0, want=3245513, limit=128 attempt to access beyond end of device loop0: rw=0, want=8767868, limit=128 attempt to access beyond end of device loop0: rw=0, want=13269810, limit=128 VFS: unable to find oldfs superblock on device loop4 attempt to access beyond end of device loop0: rw=0, want=8073606, limit=128 attempt to access beyond end of device loop0: rw=0, want=3245516, limit=128 attempt to access beyond end of device loop0: rw=0, want=8768636, limit=128 attempt to access beyond end of device loop0: rw=0, want=13466418, limit=128 attempt to access beyond end of device loop0: rw=0, want=8073606, limit=128 attempt to access beyond end of device loop0: rw=0, want=3245513, limit=128 attempt to access beyond end of device loop0: rw=0, want=8767868, limit=128 attempt to access beyond end of device loop0: rw=0, want=13269810, limit=128 attempt to access beyond end of device loop0: rw=0, want=8073606, limit=128 attempt to access beyond end of device loop0: rw=0, want=3245516, limit=128 attempt to access beyond end of device loop0: rw=0, want=8768636, limit=128 attempt to access beyond end of device loop0: rw=0, want=13466418, limit=128 attempt to access beyond end of device loop0: rw=0, want=8073606, limit=128 audit: type=1800 audit(1674343356.431:64): pid=12997 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed comm="syz-executor.0" name="/" dev="loop0" ino=2 res=0 VFS: unable to find oldfs superblock on device loop2 VFS: unable to find oldfs superblock on device loop4 VFS: unable to find oldfs superblock on device loop3 VFS: unable to find oldfs superblock on device loop5 VFS: Found a Xenix FS (block size = 512) on device loop0 VFS: unable to find oldfs superblock on device loop2 VFS: unable to find oldfs superblock on device loop4 VFS: unable to find oldfs superblock on device loop3 VFS: Found a Xenix FS (block size = 512) on device loop0 VFS: unable to find oldfs superblock on device loop2 attempt to access beyond end of device VFS: unable to find oldfs superblock on device loop5 loop0: rw=0, want=3245513, limit=128 buffer_io_error: 26 callbacks suppressed Buffer I/O error on dev loop0, logical block 3245512, async page read attempt to access beyond end of device loop0: rw=0, want=8767868, limit=128 Buffer I/O error on dev loop0, logical block 8767867, async page read attempt to access beyond end of device loop0: rw=0, want=13269810, limit=128 Buffer I/O error on dev loop0, logical block 13269809, async page read attempt to access beyond end of device loop0: rw=0, want=8073606, limit=128 Buffer I/O error on dev loop0, logical block 8073605, async page read attempt to access beyond end of device loop0: rw=0, want=3245516, limit=128 Buffer I/O error on dev loop0, logical block 3245515, async page read VFS: unable to find oldfs superblock on device loop4 attempt to access beyond end of device loop0: rw=0, want=8768636, limit=128 Buffer I/O error on dev loop0, logical block 8768635, async page read attempt to access beyond end of device loop0: rw=0, want=13466418, limit=128 Buffer I/O error on dev loop0, logical block 13466417, async page read attempt to access beyond end of device loop0: rw=0, want=8073606, limit=128 Buffer I/O error on dev loop0, 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: 13064, name: syz-executor.0 2 locks held by syz-executor.0/13064: #0: 0000000018309430 (&iint->mutex){+.+.}, at: process_measurement+0x316/0x1440 security/integrity/ima/ima_main.c:224 #1: 00000000aa0a52b9 (pointers_lock){.+.+}, at: get_block+0x171/0x1510 fs/sysv/itree.c:217 Preemption disabled at: [<0000000000000000>] (null) CPU: 0 PID: 13064 Comm: syz-executor.0 Tainted: G W 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 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: 0033:0x7f5a61b1f0c9 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:00007f5a60091168 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f5a61c3ef80 RCX: 00007f5a61b1f0c9 RDX: 0000000000000000 RSI: 000000000002007e RDI: 00000000200000c0 RBP: 00007f5a61b7aae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff333cc16f R14: 00007f5a60091300 R15: 0000000000022000 attempt to access beyond end of device loop0: rw=0, want=3245519, limit=128 Buffer I/O error on dev loop0, logical block 3245518, async page read attempt to access beyond end of device loop0: rw=0, want=8769404, limit=128 Buffer I/O error on dev loop0, logical block 8769403, async page read attempt to access beyond end of device loop0: rw=0, want=3245513, limit=128 attempt to access beyond end of device loop0: rw=0, want=8767868, limit=128 attempt to access beyond end of device loop0: rw=0, want=13269810, limit=128 attempt to access beyond end of device loop0: rw=0, want=8073606, limit=128 attempt to access beyond end of device loop0: rw=0, want=3245516, limit=128 attempt to access beyond end of device loop0: rw=0, want=8768636, limit=128 attempt to access beyond end of device loop0: rw=0, want=13466418, limit=128 attempt to access beyond end of device loop0: rw=0, want=8073606, limit=128