From: syzbot <syzbot+69b40dc5fd40f32c199f@syzkaller.appspotmail.com>
To: hch@infradead.org, linux-kernel@vger.kernel.org,
syzkaller-bugs@googlegroups.com
Subject: [syzbot] BUG: sleeping function called from invalid context in __getblk_gfp
Date: Mon, 28 Nov 2022 02:01:37 -0800 [thread overview]
Message-ID: <0000000000000ccf9a05ee84f5b0@google.com> (raw)
Hello,
syzbot found the following issue on:
HEAD commit: 644e9524388a Merge tag 'for-v6.1-rc' of git://git.kernel.o..
git tree: upstream
console+strace: https://syzkaller.appspot.com/x/log.txt?x=13bf0dc3880000
kernel config: https://syzkaller.appspot.com/x/.config?x=8d01b6e3197974dd
dashboard link: https://syzkaller.appspot.com/bug?extid=69b40dc5fd40f32c199f
compiler: Debian clang version 13.0.1-++20220126092033+75e33f71c2da-1~exp1~20220126212112.63, GNU ld (GNU Binutils for Debian) 2.35.2
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1282cf9b880000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17a7ad75880000
Downloadable assets:
disk image: https://storage.googleapis.com/syzbot-assets/0968428e17b4/disk-644e9524.raw.xz
vmlinux: https://storage.googleapis.com/syzbot-assets/fd4c3bfd0777/vmlinux-644e9524.xz
kernel image: https://storage.googleapis.com/syzbot-assets/ee4571f27f1c/bzImage-644e9524.xz
mounted in repro: https://storage.googleapis.com/syzbot-assets/4a1592babcac/mount_0.gz
IMPORTANT: if you fix the issue, please add the following tag to the commit:
Reported-by: syzbot+69b40dc5fd40f32c199f@syzkaller.appspotmail.com
Buffer I/O error on dev loop0, logical block 13466417, async page read
syz-executor380: attempt to access beyond end of device
loop0: rw=0, sector=16147212, nr_sectors = 2 limit=128
Buffer I/O error on dev loop0, logical block 8073606, async page read
BUG: sleeping function called from invalid context at fs/buffer.c:1331
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 3632, name: syz-executor380
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor380/3632:
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline]
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: open_last_lookups fs/namei.c:3480 [inline]
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: path_openat+0x7aa/0x2df0 fs/namei.c:3711
#1: ffffffff8d3e65f8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x159/0x16d0 fs/sysv/itree.c:217
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 0 PID: 3632 Comm: syz-executor380 Not tainted 6.1.0-rc6-syzkaller-00308-g644e9524388a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106
__might_resched+0x4e9/0x6b0 kernel/sched/core.c:9908
__getblk_gfp+0x41/0x290 fs/buffer.c:1331
__bread_gfp+0x28/0x320 fs/buffer.c:1367
sb_bread include/linux/buffer_head.h:338 [inline]
get_branch+0x2ce/0x680 fs/sysv/itree.c:104
get_block+0x175/0x16d0 fs/sysv/itree.c:218
block_read_full_folio+0x3b3/0xfa0 fs/buffer.c:2271
filemap_read_folio+0x187/0x7d0 mm/filemap.c:2407
do_read_cache_folio+0x2d3/0x790 mm/filemap.c:3534
do_read_cache_page mm/filemap.c:3576 [inline]
read_cache_page+0x56/0x270 mm/filemap.c:3585
read_mapping_page include/linux/pagemap.h:756 [inline]
dir_get_page fs/sysv/dir.c:58 [inline]
sysv_find_entry+0x1b3/0x440 fs/sysv/dir.c:146
sysv_inode_by_name+0x74/0x1b0 fs/sysv/dir.c:360
sysv_lookup+0x62/0xe0 fs/sysv/namei.c:38
lookup_open fs/namei.c:3391 [inline]
open_last_lookups fs/namei.c:3481 [inline]
path_openat+0x10e6/0x2df0 fs/namei.c:3711
do_filp_open+0x264/0x4f0 fs/namei.c:3741
do_sys_openat2+0x124/0x4e0 fs/open.c:1310
do_sys_open fs/open.c:1326 [inline]
__do_sys_openat fs/open.c:1342 [inline]
__se_sys_openat fs/open.c:1337 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1337
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5ab3064739
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdfc2aa1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f5ab3064739
RDX: 0000000000000000 RSI: 0000000020004280 RDI: 00000000ffffff9c
RBP: 00007f5ab3023fd0 R08: 0000000000009e04 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5ab3024060
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
</TASK>
syz-executor380: attempt to access beyond end of device
loop0: rw=0, sector=6491548, nr_sectors = 2 limit=128
Buffer I/O error on dev loop0, logical block 3245774, async page read
syz-executor380: attempt to access beyond end of device
loop0: rw=0, sector=17669878, nr_sectors = 2 limit=128
Buffer I/O error on dev loop0, logical block 8834939, async page read
BUG: sleeping function called from invalid context at fs/buffer.c:1331
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 3632, name: syz-executor380
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor380/3632:
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline]
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: open_last_lookups fs/namei.c:3480 [inline]
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: path_openat+0x7aa/0x2df0 fs/namei.c:3711
#1: ffffffff8d3e65f8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x159/0x16d0 fs/sysv/itree.c:217
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 0 PID: 3632 Comm: syz-executor380 Tainted: G W 6.1.0-rc6-syzkaller-00308-g644e9524388a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106
__might_resched+0x4e9/0x6b0 kernel/sched/core.c:9908
__getblk_gfp+0x41/0x290 fs/buffer.c:1331
__bread_gfp+0x28/0x320 fs/buffer.c:1367
sb_bread include/linux/buffer_head.h:338 [inline]
get_branch+0x2ce/0x680 fs/sysv/itree.c:104
get_block+0x175/0x16d0 fs/sysv/itree.c:218
block_read_full_folio+0x3b3/0xfa0 fs/buffer.c:2271
filemap_read_folio+0x187/0x7d0 mm/filemap.c:2407
do_read_cache_folio+0x2d3/0x790 mm/filemap.c:3534
do_read_cache_page mm/filemap.c:3576 [inline]
read_cache_page+0x56/0x270 mm/filemap.c:3585
read_mapping_page include/linux/pagemap.h:756 [inline]
dir_get_page fs/sysv/dir.c:58 [inline]
sysv_find_entry+0x1b3/0x440 fs/sysv/dir.c:146
sysv_inode_by_name+0x74/0x1b0 fs/sysv/dir.c:360
sysv_lookup+0x62/0xe0 fs/sysv/namei.c:38
lookup_open fs/namei.c:3391 [inline]
open_last_lookups fs/namei.c:3481 [inline]
path_openat+0x10e6/0x2df0 fs/namei.c:3711
do_filp_open+0x264/0x4f0 fs/namei.c:3741
do_sys_openat2+0x124/0x4e0 fs/open.c:1310
do_sys_open fs/open.c:1326 [inline]
__do_sys_openat fs/open.c:1342 [inline]
__se_sys_openat fs/open.c:1337 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1337
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5ab3064739
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdfc2aa1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f5ab3064739
RDX: 0000000000000000 RSI: 0000000020004280 RDI: 00000000ffffff9c
RBP: 00007f5ab3023fd0 R08: 0000000000009e04 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5ab3024060
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
</TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1331
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 3632, name: syz-executor380
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor380/3632:
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline]
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: open_last_lookups fs/namei.c:3480 [inline]
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: path_openat+0x7aa/0x2df0 fs/namei.c:3711
#1: ffffffff8d3e65f8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x159/0x16d0 fs/sysv/itree.c:217
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 3632 Comm: syz-executor380 Tainted: G W 6.1.0-rc6-syzkaller-00308-g644e9524388a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106
__might_resched+0x4e9/0x6b0 kernel/sched/core.c:9908
__getblk_gfp+0x41/0x290 fs/buffer.c:1331
__bread_gfp+0x28/0x320 fs/buffer.c:1367
sb_bread include/linux/buffer_head.h:338 [inline]
get_branch+0x2ce/0x680 fs/sysv/itree.c:104
get_block+0x175/0x16d0 fs/sysv/itree.c:218
block_read_full_folio+0x3b3/0xfa0 fs/buffer.c:2271
filemap_read_folio+0x187/0x7d0 mm/filemap.c:2407
do_read_cache_folio+0x2d3/0x790 mm/filemap.c:3534
do_read_cache_page mm/filemap.c:3576 [inline]
read_cache_page+0x56/0x270 mm/filemap.c:3585
read_mapping_page include/linux/pagemap.h:756 [inline]
dir_get_page fs/sysv/dir.c:58 [inline]
sysv_find_entry+0x1b3/0x440 fs/sysv/dir.c:146
sysv_inode_by_name+0x74/0x1b0 fs/sysv/dir.c:360
sysv_lookup+0x62/0xe0 fs/sysv/namei.c:38
lookup_open fs/namei.c:3391 [inline]
open_last_lookups fs/namei.c:3481 [inline]
path_openat+0x10e6/0x2df0 fs/namei.c:3711
do_filp_open+0x264/0x4f0 fs/namei.c:3741
do_sys_openat2+0x124/0x4e0 fs/open.c:1310
do_sys_open fs/open.c:1326 [inline]
__do_sys_openat fs/open.c:1342 [inline]
__se_sys_openat fs/open.c:1337 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1337
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5ab3064739
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdfc2aa1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f5ab3064739
RDX: 0000000000000000 RSI: 0000000020004280 RDI: 00000000ffffff9c
RBP: 00007f5ab3023fd0 R08: 0000000000009e04 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5ab3024060
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
</TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1331
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 3632, name: syz-executor380
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor380/3632:
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline]
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: open_last_lookups fs/namei.c:3480 [inline]
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: path_openat+0x7aa/0x2df0 fs/namei.c:3711
#1: ffffffff8d3e65f8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x159/0x16d0 fs/sysv/itree.c:217
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 3632 Comm: syz-executor380 Tainted: G W 6.1.0-rc6-syzkaller-00308-g644e9524388a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106
__might_resched+0x4e9/0x6b0 kernel/sched/core.c:9908
__getblk_gfp+0x41/0x290 fs/buffer.c:1331
__bread_gfp+0x28/0x320 fs/buffer.c:1367
sb_bread include/linux/buffer_head.h:338 [inline]
get_branch+0x2ce/0x680 fs/sysv/itree.c:104
get_block+0x175/0x16d0 fs/sysv/itree.c:218
block_read_full_folio+0x3b3/0xfa0 fs/buffer.c:2271
filemap_read_folio+0x187/0x7d0 mm/filemap.c:2407
do_read_cache_folio+0x2d3/0x790 mm/filemap.c:3534
do_read_cache_page mm/filemap.c:3576 [inline]
read_cache_page+0x56/0x270 mm/filemap.c:3585
read_mapping_page include/linux/pagemap.h:756 [inline]
dir_get_page fs/sysv/dir.c:58 [inline]
sysv_find_entry+0x1b3/0x440 fs/sysv/dir.c:146
sysv_inode_by_name+0x74/0x1b0 fs/sysv/dir.c:360
sysv_lookup+0x62/0xe0 fs/sysv/namei.c:38
lookup_open fs/namei.c:3391 [inline]
open_last_lookups fs/namei.c:3481 [inline]
path_openat+0x10e6/0x2df0 fs/namei.c:3711
do_filp_open+0x264/0x4f0 fs/namei.c:3741
do_sys_openat2+0x124/0x4e0 fs/open.c:1310
do_sys_open fs/open.c:1326 [inline]
__do_sys_openat fs/open.c:1342 [inline]
__se_sys_openat fs/open.c:1337 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1337
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5ab3064739
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdfc2aa1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f5ab3064739
RDX: 0000000000000000 RSI: 0000000020004280 RDI: 00000000ffffff9c
RBP: 00007f5ab3023fd0 R08: 0000000000009e04 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5ab3024060
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
</TASK>
BUG: sleeping function called from invalid context at include/linux/pagemap.h:937
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 3632, name: syz-executor380
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor380/3632:
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline]
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: open_last_lookups fs/namei.c:3480 [inline]
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: path_openat+0x7aa/0x2df0 fs/namei.c:3711
#1: ffffffff8d3e65f8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x159/0x16d0 fs/sysv/itree.c:217
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 3632 Comm: syz-executor380 Tainted: G W 6.1.0-rc6-syzkaller-00308-g644e9524388a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106
__might_resched+0x4e9/0x6b0 kernel/sched/core.c:9908
folio_lock include/linux/pagemap.h:937 [inline]
__filemap_get_folio+0x43c/0x1260 mm/filemap.c:1931
pagecache_get_page+0x28/0x260 mm/folio-compat.c:110
find_or_create_page include/linux/pagemap.h:613 [inline]
grow_dev_page+0xba/0x920 fs/buffer.c:946
grow_buffers fs/buffer.c:1011 [inline]
__getblk_slow fs/buffer.c:1038 [inline]
__getblk_gfp+0x16c/0x290 fs/buffer.c:1333
__bread_gfp+0x28/0x320 fs/buffer.c:1367
sb_bread include/linux/buffer_head.h:338 [inline]
get_branch+0x2ce/0x680 fs/sysv/itree.c:104
get_block+0x175/0x16d0 fs/sysv/itree.c:218
block_read_full_folio+0x3b3/0xfa0 fs/buffer.c:2271
filemap_read_folio+0x187/0x7d0 mm/filemap.c:2407
do_read_cache_folio+0x2d3/0x790 mm/filemap.c:3534
do_read_cache_page mm/filemap.c:3576 [inline]
read_cache_page+0x56/0x270 mm/filemap.c:3585
read_mapping_page include/linux/pagemap.h:756 [inline]
dir_get_page fs/sysv/dir.c:58 [inline]
sysv_find_entry+0x1b3/0x440 fs/sysv/dir.c:146
sysv_inode_by_name+0x74/0x1b0 fs/sysv/dir.c:360
sysv_lookup+0x62/0xe0 fs/sysv/namei.c:38
lookup_open fs/namei.c:3391 [inline]
open_last_lookups fs/namei.c:3481 [inline]
path_openat+0x10e6/0x2df0 fs/namei.c:3711
do_filp_open+0x264/0x4f0 fs/namei.c:3741
do_sys_openat2+0x124/0x4e0 fs/open.c:1310
do_sys_open fs/open.c:1326 [inline]
__do_sys_openat fs/open.c:1342 [inline]
__se_sys_openat fs/open.c:1337 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1337
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5ab3064739
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdfc2aa1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f5ab3064739
RDX: 0000000000000000 RSI: 0000000020004280 RDI: 00000000ffffff9c
RBP: 00007f5ab3023fd0 R08: 0000000000009e04 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5ab3024060
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
</TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1331
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 3632, name: syz-executor380
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor380/3632:
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline]
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: open_last_lookups fs/namei.c:3480 [inline]
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: path_openat+0x7aa/0x2df0 fs/namei.c:3711
#1: ffffffff8d3e65f8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x159/0x16d0 fs/sysv/itree.c:217
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 3632 Comm: syz-executor380 Tainted: G W 6.1.0-rc6-syzkaller-00308-g644e9524388a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106
__might_resched+0x4e9/0x6b0 kernel/sched/core.c:9908
__getblk_gfp+0x41/0x290 fs/buffer.c:1331
__bread_gfp+0x28/0x320 fs/buffer.c:1367
sb_bread include/linux/buffer_head.h:338 [inline]
get_branch+0x2ce/0x680 fs/sysv/itree.c:104
get_block+0x175/0x16d0 fs/sysv/itree.c:218
block_read_full_folio+0x3b3/0xfa0 fs/buffer.c:2271
filemap_read_folio+0x187/0x7d0 mm/filemap.c:2407
do_read_cache_folio+0x2d3/0x790 mm/filemap.c:3534
do_read_cache_page mm/filemap.c:3576 [inline]
read_cache_page+0x56/0x270 mm/filemap.c:3585
read_mapping_page include/linux/pagemap.h:756 [inline]
dir_get_page fs/sysv/dir.c:58 [inline]
sysv_find_entry+0x1b3/0x440 fs/sysv/dir.c:146
sysv_inode_by_name+0x74/0x1b0 fs/sysv/dir.c:360
sysv_lookup+0x62/0xe0 fs/sysv/namei.c:38
lookup_open fs/namei.c:3391 [inline]
open_last_lookups fs/namei.c:3481 [inline]
path_openat+0x10e6/0x2df0 fs/namei.c:3711
do_filp_open+0x264/0x4f0 fs/namei.c:3741
do_sys_openat2+0x124/0x4e0 fs/open.c:1310
do_sys_open fs/open.c:1326 [inline]
__do_sys_openat fs/open.c:1342 [inline]
__se_sys_openat fs/open.c:1337 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1337
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5ab3064739
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdfc2aa1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f5ab3064739
RDX: 0000000000000000 RSI: 0000000020004280 RDI: 00000000ffffff9c
RBP: 00007f5ab3023fd0 R08: 0000000000009e04 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5ab3024060
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
</TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1331
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 3632, name: syz-executor380
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor380/3632:
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline]
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: open_last_lookups fs/namei.c:3480 [inline]
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: path_openat+0x7aa/0x2df0 fs/namei.c:3711
#1: ffffffff8d3e65f8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x159/0x16d0 fs/sysv/itree.c:217
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 3632 Comm: syz-executor380 Tainted: G W 6.1.0-rc6-syzkaller-00308-g644e9524388a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106
__might_resched+0x4e9/0x6b0 kernel/sched/core.c:9908
__getblk_gfp+0x41/0x290 fs/buffer.c:1331
__bread_gfp+0x28/0x320 fs/buffer.c:1367
sb_bread include/linux/buffer_head.h:338 [inline]
get_branch+0x2ce/0x680 fs/sysv/itree.c:104
get_block+0x175/0x16d0 fs/sysv/itree.c:218
block_read_full_folio+0x3b3/0xfa0 fs/buffer.c:2271
filemap_read_folio+0x187/0x7d0 mm/filemap.c:2407
do_read_cache_folio+0x2d3/0x790 mm/filemap.c:3534
do_read_cache_page mm/filemap.c:3576 [inline]
read_cache_page+0x56/0x270 mm/filemap.c:3585
read_mapping_page include/linux/pagemap.h:756 [inline]
dir_get_page fs/sysv/dir.c:58 [inline]
sysv_find_entry+0x1b3/0x440 fs/sysv/dir.c:146
sysv_inode_by_name+0x74/0x1b0 fs/sysv/dir.c:360
sysv_lookup+0x62/0xe0 fs/sysv/namei.c:38
lookup_open fs/namei.c:3391 [inline]
open_last_lookups fs/namei.c:3481 [inline]
path_openat+0x10e6/0x2df0 fs/namei.c:3711
do_filp_open+0x264/0x4f0 fs/namei.c:3741
do_sys_openat2+0x124/0x4e0 fs/open.c:1310
do_sys_open fs/open.c:1326 [inline]
__do_sys_openat fs/open.c:1342 [inline]
__se_sys_openat fs/open.c:1337 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1337
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5ab3064739
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdfc2aa1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f5ab3064739
RDX: 0000000000000000 RSI: 0000000020004280 RDI: 00000000ffffff9c
RBP: 00007f5ab3023fd0 R08: 0000000000009e04 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5ab3024060
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
</TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1331
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 3632, name: syz-executor380
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor380/3632:
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline]
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: open_last_lookups fs/namei.c:3480 [inline]
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: path_openat+0x7aa/0x2df0 fs/namei.c:3711
#1: ffffffff8d3e65f8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x159/0x16d0 fs/sysv/itree.c:217
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 3632 Comm: syz-executor380 Tainted: G W 6.1.0-rc6-syzkaller-00308-g644e9524388a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106
__might_resched+0x4e9/0x6b0 kernel/sched/core.c:9908
__getblk_gfp+0x41/0x290 fs/buffer.c:1331
__bread_gfp+0x28/0x320 fs/buffer.c:1367
sb_bread include/linux/buffer_head.h:338 [inline]
get_branch+0x2ce/0x680 fs/sysv/itree.c:104
get_block+0x175/0x16d0 fs/sysv/itree.c:218
block_read_full_folio+0x3b3/0xfa0 fs/buffer.c:2271
filemap_read_folio+0x187/0x7d0 mm/filemap.c:2407
do_read_cache_folio+0x2d3/0x790 mm/filemap.c:3534
do_read_cache_page mm/filemap.c:3576 [inline]
read_cache_page+0x56/0x270 mm/filemap.c:3585
read_mapping_page include/linux/pagemap.h:756 [inline]
dir_get_page fs/sysv/dir.c:58 [inline]
sysv_find_entry+0x1b3/0x440 fs/sysv/dir.c:146
sysv_inode_by_name+0x74/0x1b0 fs/sysv/dir.c:360
sysv_lookup+0x62/0xe0 fs/sysv/namei.c:38
lookup_open fs/namei.c:3391 [inline]
open_last_lookups fs/namei.c:3481 [inline]
path_openat+0x10e6/0x2df0 fs/namei.c:3711
do_filp_open+0x264/0x4f0 fs/namei.c:3741
do_sys_openat2+0x124/0x4e0 fs/open.c:1310
do_sys_open fs/open.c:1326 [inline]
__do_sys_openat fs/open.c:1342 [inline]
__se_sys_openat fs/open.c:1337 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1337
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5ab3064739
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdfc2aa1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f5ab3064739
RDX: 0000000000000000 RSI: 0000000020004280 RDI: 00000000ffffff9c
RBP: 00007f5ab3023fd0 R08: 0000000000009e04 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5ab3024060
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
</TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1331
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 3632, name: syz-executor380
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor380/3632:
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline]
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: open_last_lookups fs/namei.c:3480 [inline]
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: path_openat+0x7aa/0x2df0 fs/namei.c:3711
#1: ffffffff8d3e65f8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x159/0x16d0 fs/sysv/itree.c:217
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 3632 Comm: syz-executor380 Tainted: G W 6.1.0-rc6-syzkaller-00308-g644e9524388a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106
__might_resched+0x4e9/0x6b0 kernel/sched/core.c:9908
__getblk_gfp+0x41/0x290 fs/buffer.c:1331
__bread_gfp+0x28/0x320 fs/buffer.c:1367
sb_bread include/linux/buffer_head.h:338 [inline]
get_branch+0x2ce/0x680 fs/sysv/itree.c:104
get_block+0x175/0x16d0 fs/sysv/itree.c:218
block_read_full_folio+0x3b3/0xfa0 fs/buffer.c:2271
filemap_read_folio+0x187/0x7d0 mm/filemap.c:2407
do_read_cache_folio+0x2d3/0x790 mm/filemap.c:3534
do_read_cache_page mm/filemap.c:3576 [inline]
read_cache_page+0x56/0x270 mm/filemap.c:3585
read_mapping_page include/linux/pagemap.h:756 [inline]
dir_get_page fs/sysv/dir.c:58 [inline]
sysv_find_entry+0x1b3/0x440 fs/sysv/dir.c:146
sysv_inode_by_name+0x74/0x1b0 fs/sysv/dir.c:360
sysv_lookup+0x62/0xe0 fs/sysv/namei.c:38
lookup_open fs/namei.c:3391 [inline]
open_last_lookups fs/namei.c:3481 [inline]
path_openat+0x10e6/0x2df0 fs/namei.c:3711
do_filp_open+0x264/0x4f0 fs/namei.c:3741
do_sys_openat2+0x124/0x4e0 fs/open.c:1310
do_sys_open fs/open.c:1326 [inline]
__do_sys_openat fs/open.c:1342 [inline]
__se_sys_openat fs/open.c:1337 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1337
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5ab3064739
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdfc2aa1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f5ab3064739
RDX: 0000000000000000 RSI: 0000000020004280 RDI: 00000000ffffff9c
RBP: 00007f5ab3023fd0 R08: 0000000000009e04 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5ab3024060
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
</TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1331
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 3632, name: syz-executor380
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor380/3632:
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline]
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: open_last_lookups fs/namei.c:3480 [inline]
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: path_openat+0x7aa/0x2df0 fs/namei.c:3711
#1: ffffffff8d3e65f8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x159/0x16d0 fs/sysv/itree.c:217
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 3632 Comm: syz-executor380 Tainted: G W 6.1.0-rc6-syzkaller-00308-g644e9524388a #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
Call Trace:
<TASK>
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1b1/0x28e lib/dump_stack.c:106
__might_resched+0x4e9/0x6b0 kernel/sched/core.c:9908
__getblk_gfp+0x41/0x290 fs/buffer.c:1331
__bread_gfp+0x28/0x320 fs/buffer.c:1367
sb_bread include/linux/buffer_head.h:338 [inline]
get_branch+0x2ce/0x680 fs/sysv/itree.c:104
get_block+0x175/0x16d0 fs/sysv/itree.c:218
block_read_full_folio+0x3b3/0xfa0 fs/buffer.c:2271
filemap_read_folio+0x187/0x7d0 mm/filemap.c:2407
do_read_cache_folio+0x2d3/0x790 mm/filemap.c:3534
do_read_cache_page mm/filemap.c:3576 [inline]
read_cache_page+0x56/0x270 mm/filemap.c:3585
read_mapping_page include/linux/pagemap.h:756 [inline]
dir_get_page fs/sysv/dir.c:58 [inline]
sysv_find_entry+0x1b3/0x440 fs/sysv/dir.c:146
sysv_inode_by_name+0x74/0x1b0 fs/sysv/dir.c:360
sysv_lookup+0x62/0xe0 fs/sysv/namei.c:38
lookup_open fs/namei.c:3391 [inline]
open_last_lookups fs/namei.c:3481 [inline]
path_openat+0x10e6/0x2df0 fs/namei.c:3711
do_filp_open+0x264/0x4f0 fs/namei.c:3741
do_sys_openat2+0x124/0x4e0 fs/open.c:1310
do_sys_open fs/open.c:1326 [inline]
__do_sys_openat fs/open.c:1342 [inline]
__se_sys_openat fs/open.c:1337 [inline]
__x64_sys_openat+0x243/0x290 fs/open.c:1337
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f5ab3064739
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 51 14 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 c0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffdfc2aa1f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 0030656c69662f2e RCX: 00007f5ab3064739
RDX: 0000000000000000 RSI: 0000000020004280 RDI: 00000000ffffff9c
RBP: 00007f5ab3023fd0 R08: 0000000000009e04 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5ab3024060
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
</TASK>
BUG: sleeping function called from invalid context at include/linux/pagemap.h:937
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 3632, name: syz-executor380
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor380/3632:
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline]
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: open_last_lookups fs/namei.c:3480 [inline]
#0: ffff888073674188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: path_openat+0x7aa/0x2df0 fs/namei.c:3711
---
This report is generated by a bot. It may contain errors.
See https://goo.gl/tpsmEJ for more information about syzbot.
syzbot engineers can be reached at syzkaller@googlegroups.com.
syzbot will keep track of this issue. See:
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syzbot can test patches for this issue, for details see:
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next reply other threads:[~2022-11-28 10:02 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-28 10:01 syzbot [this message]
2023-03-26 22:24 ` [PATCH] sysv: convert pointers_lock from rw_lock to rw_sem Tetsuo Handa
2023-03-27 0:04 ` Al Viro
2023-03-27 10:19 ` Tetsuo Handa
2023-03-27 13:02 ` Al Viro
2023-03-27 13:09 ` Tetsuo Handa
2023-04-10 12:04 ` [PATCH] sysv: don't call sb_bread() with pointers_lock held Tetsuo Handa
2023-04-10 14:56 ` [PATCH v2] " Tetsuo Handa
2024-01-30 9:36 ` [PATCH] " Christian Brauner
2024-01-30 1:15 ` [syzbot] [fs?] BUG: sleeping function called from invalid context in __getblk_gfp syzbot
2024-01-30 11:54 ` Jan Kara
2024-01-30 15:57 ` Christoph Hellwig
2024-01-31 10:56 ` Christian Brauner
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