audit: type=1800 audit(1660168356.574:52): pid=15440 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.1" name="file0" dev="sda1" ino=13880 res=0
audit: type=1804 audit(1660168356.574:53): pid=15440 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir2661076891/syzkaller.KYI1b4/11/file0" dev="sda1" ino=13880 res=1
INFO: task syz-executor.2:11977 blocked for more than 140 seconds.
Not tainted 4.14.290-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.2 D28912 11977 7975 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2811 [inline]
__schedule+0x88b/0x1de0 kernel/sched/core.c:3387
schedule+0x8d/0x1b0 kernel/sched/core.c:3431
__rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:588 [inline]
rwsem_down_write_failed+0x343/0x6d0 kernel/locking/rwsem-xadd.c:617
call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:105
__down_write arch/x86/include/asm/rwsem.h:126 [inline]
down_write+0x4f/0x90 kernel/locking/rwsem.c:56
inode_lock include/linux/fs.h:719 [inline]
fuse_flush+0x1c7/0x520 fs/fuse/file.c:423
filp_close+0x9d/0x140 fs/open.c:1158
__close_fd+0x151/0x230 fs/file.c:639
SYSC_close fs/open.c:1177 [inline]
SyS_close+0x42/0x90 fs/open.c:1175
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f7ed5270ebb
RSP: 002b:00007ffe94eaca20 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f7ed5270ebb
RDX: 0000001b2d920000 RSI: 00007f7ed4e39c18 RDI: 0000000000000004
RBP: 00007f7ed53d2980 R08: 0000000000000000 R09: 00000000c07cd304
R10: 001401b215a3e1fe R11: 0000000000000293 R12: 0000000000029a03
R13: 00007ffe94eacb20 R14: 00007f7ed53d0f80 R15: 0000000000000032
INFO: task syz-executor.2:12000 blocked for more than 140 seconds.
Not tainted 4.14.290-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.2 D28696 12000 7975 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2811 [inline]
__schedule+0x88b/0x1de0 kernel/sched/core.c:3387
schedule+0x8d/0x1b0 kernel/sched/core.c:3431
fuse_wait_on_page_writeback fs/fuse/file.c:385 [inline]
fuse_wait_on_page_writeback.isra.0+0xdc/0x120 fs/fuse/file.c:381
fuse_launder_page fs/fuse/file.c:2042 [inline]
fuse_launder_page+0xa2/0xd0 fs/fuse/file.c:2035
do_launder_page mm/truncate.c:609 [inline]
invalidate_inode_pages2_range+0x547/0xc00 mm/truncate.c:685
fuse_finish_open+0x262/0x500 fs/fuse/file.c:181
fuse_open_common+0x234/0x290 fs/fuse/file.c:224
do_dentry_open+0x44b/0xec0 fs/open.c:777
vfs_open+0x105/0x220 fs/open.c:888
do_last fs/namei.c:3428 [inline]
path_openat+0x628/0x2970 fs/namei.c:3569
do_filp_open+0x179/0x3c0 fs/namei.c:3603
do_sys_open+0x296/0x410 fs/open.c:1081
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f7ed52be279
RSP: 002b:00007f7ed3c12168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f7ed53d1050 RCX: 00007f7ed52be279
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0
RBP: 00007f7ed5318189 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe94eac9bf R14: 00007f7ed3c12300 R15: 0000000000022000
INFO: task syz-executor.1:12006 blocked for more than 140 seconds.
Not tainted 4.14.290-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.1 D28912 12006 7971 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2811 [inline]
__schedule+0x88b/0x1de0 kernel/sched/core.c:3387
schedule+0x8d/0x1b0 kernel/sched/core.c:3431
__rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:588 [inline]
rwsem_down_write_failed+0x343/0x6d0 kernel/locking/rwsem-xadd.c:617
call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:105
__down_write arch/x86/include/asm/rwsem.h:126 [inline]
down_write+0x4f/0x90 kernel/locking/rwsem.c:56
inode_lock include/linux/fs.h:719 [inline]
fuse_flush+0x1c7/0x520 fs/fuse/file.c:423
filp_close+0x9d/0x140 fs/open.c:1158
__close_fd+0x151/0x230 fs/file.c:639
SYSC_close fs/open.c:1177 [inline]
SyS_close+0x42/0x90 fs/open.c:1175
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f967f6afebb
RSP: 002b:00007ffcaf2989b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f967f6afebb
RDX: 0000001b2d620000 RSI: 00007f967f278ba0 RDI: 0000000000000004
RBP: 00007f967f811980 R08: 0000000000000000 R09: 00000000c07cd304
R10: 00120029f6f61540 R11: 0000000000000293 R12: 0000000000029e53
R13: 00007ffcaf298ab0 R14: 00007f967f80ff80 R15: 0000000000000032
INFO: task syz-executor.1:12016 blocked for more than 140 seconds.
Not tainted 4.14.290-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.1 D29136 12016 7971 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2811 [inline]
__schedule+0x88b/0x1de0 kernel/sched/core.c:3387
schedule+0x8d/0x1b0 kernel/sched/core.c:3431
fuse_wait_on_page_writeback fs/fuse/file.c:385 [inline]
fuse_wait_on_page_writeback.isra.0+0xdc/0x120 fs/fuse/file.c:381
fuse_launder_page fs/fuse/file.c:2042 [inline]
fuse_launder_page+0xa2/0xd0 fs/fuse/file.c:2035
do_launder_page mm/truncate.c:609 [inline]
invalidate_inode_pages2_range+0x547/0xc00 mm/truncate.c:685
fuse_finish_open+0x262/0x500 fs/fuse/file.c:181
fuse_open_common+0x234/0x290 fs/fuse/file.c:224
do_dentry_open+0x44b/0xec0 fs/open.c:777
vfs_open+0x105/0x220 fs/open.c:888
do_last fs/namei.c:3428 [inline]
path_openat+0x628/0x2970 fs/namei.c:3569
do_filp_open+0x179/0x3c0 fs/namei.c:3603
do_sys_open+0x296/0x410 fs/open.c:1081
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f967f6fd279
RSP: 002b:00007f967e051168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f967f810050 RCX: 00007f967f6fd279
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0
RBP: 00007f967f757189 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffcaf29894f R14: 00007f967e051300 R15: 0000000000022000
INFO: task syz-executor.5:12043 blocked for more than 140 seconds.
Not tainted 4.14.290-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D28912 12043 7973 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2811 [inline]
__schedule+0x88b/0x1de0 kernel/sched/core.c:3387
schedule+0x8d/0x1b0 kernel/sched/core.c:3431
__rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:588 [inline]
rwsem_down_write_failed+0x343/0x6d0 kernel/locking/rwsem-xadd.c:617
call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:105
__down_write arch/x86/include/asm/rwsem.h:126 [inline]
down_write+0x4f/0x90 kernel/locking/rwsem.c:56
inode_lock include/linux/fs.h:719 [inline]
fuse_flush+0x1c7/0x520 fs/fuse/file.c:423
filp_close+0x9d/0x140 fs/open.c:1158
__close_fd+0x151/0x230 fs/file.c:639
SYSC_close fs/open.c:1177 [inline]
SyS_close+0x42/0x90 fs/open.c:1175
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f84049ecebb
RSP: 002b:00007ffc0d636890 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f84049ecebb
RDX: 0000001b2db20000 RSI: 00007f84045b5d38 RDI: 0000000000000004
RBP: 00007f8404b4e980 R08: 0000000000000000 R09: 00000000c07cd304
R10: 0013ba9033bcd090 R11: 0000000000000293 R12: 000000000003717c
R13: 00007ffc0d636990 R14: 00007f8404b4cf80 R15: 0000000000000032
INFO: task syz-executor.5:12051 blocked for more than 140 seconds.
Not tainted 4.14.290-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D29136 12051 7973 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2811 [inline]
__schedule+0x88b/0x1de0 kernel/sched/core.c:3387
schedule+0x8d/0x1b0 kernel/sched/core.c:3431
fuse_wait_on_page_writeback fs/fuse/file.c:385 [inline]
fuse_wait_on_page_writeback.isra.0+0xdc/0x120 fs/fuse/file.c:381
fuse_launder_page fs/fuse/file.c:2042 [inline]
fuse_launder_page+0xa2/0xd0 fs/fuse/file.c:2035
do_launder_page mm/truncate.c:609 [inline]
invalidate_inode_pages2_range+0x547/0xc00 mm/truncate.c:685
fuse_finish_open+0x262/0x500 fs/fuse/file.c:181
fuse_open_common+0x234/0x290 fs/fuse/file.c:224
do_dentry_open+0x44b/0xec0 fs/open.c:777
vfs_open+0x105/0x220 fs/open.c:888
do_last fs/namei.c:3428 [inline]
path_openat+0x628/0x2970 fs/namei.c:3569
do_filp_open+0x179/0x3c0 fs/namei.c:3603
do_sys_open+0x296/0x410 fs/open.c:1081
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f8404a3a279
RSP: 002b:00007f840338e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f8404b4d050 RCX: 00007f8404a3a279
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0
RBP: 00007f8404a94189 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc0d63682f R14: 00007f840338e300 R15: 0000000000022000
INFO: task syz-executor.0:12067 blocked for more than 140 seconds.
Not tainted 4.14.290-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.0 D28912 12067 7970 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2811 [inline]
__schedule+0x88b/0x1de0 kernel/sched/core.c:3387
schedule+0x8d/0x1b0 kernel/sched/core.c:3431
__rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:588 [inline]
rwsem_down_write_failed+0x343/0x6d0 kernel/locking/rwsem-xadd.c:617
call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:105
__down_write arch/x86/include/asm/rwsem.h:126 [inline]
down_write+0x4f/0x90 kernel/locking/rwsem.c:56
inode_lock include/linux/fs.h:719 [inline]
fuse_flush+0x1c7/0x520 fs/fuse/file.c:423
filp_close+0x9d/0x140 fs/open.c:1158
__close_fd+0x151/0x230 fs/file.c:639
SYSC_close fs/open.c:1177 [inline]
SyS_close+0x42/0x90 fs/open.c:1175
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f8ad6acbebb
RSP: 002b:00007ffde87e1400 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007f8ad6acbebb
RDX: 0000001b2d720000 RSI: 00007f8ad6694ea8 RDI: 0000000000000004
RBP: 00007f8ad6c2d980 R08: 0000000000000000 R09: 00000000c07cd304
R10: 001b0060e74244b8 R11: 0000000000000293 R12: 0000000000037659
R13: 00007ffde87e1500 R14: 00007f8ad6c2bf80 R15: 0000000000000032
INFO: task syz-executor.0:12077 blocked for more than 140 seconds.
Not tainted 4.14.290-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.0 D29136 12077 7970 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2811 [inline]
__schedule+0x88b/0x1de0 kernel/sched/core.c:3387
schedule+0x8d/0x1b0 kernel/sched/core.c:3431
fuse_wait_on_page_writeback fs/fuse/file.c:385 [inline]
fuse_wait_on_page_writeback.isra.0+0xdc/0x120 fs/fuse/file.c:381
fuse_launder_page fs/fuse/file.c:2042 [inline]
fuse_launder_page+0xa2/0xd0 fs/fuse/file.c:2035
do_launder_page mm/truncate.c:609 [inline]
invalidate_inode_pages2_range+0x547/0xc00 mm/truncate.c:685
fuse_finish_open+0x262/0x500 fs/fuse/file.c:181
fuse_open_common+0x234/0x290 fs/fuse/file.c:224
do_dentry_open+0x44b/0xec0 fs/open.c:777
vfs_open+0x105/0x220 fs/open.c:888
do_last fs/namei.c:3428 [inline]
path_openat+0x628/0x2970 fs/namei.c:3569
do_filp_open+0x179/0x3c0 fs/namei.c:3603
do_sys_open+0x296/0x410 fs/open.c:1081
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7f8ad6b19279
RSP: 002b:00007f8ad546d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007f8ad6c2c050 RCX: 00007f8ad6b19279
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0
RBP: 00007f8ad6b73189 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffde87e139f R14: 00007f8ad546d300 R15: 0000000000022000
INFO: task syz-executor.2:12562 blocked for more than 140 seconds.
Not tainted 4.14.290-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.2 D28912 12562 12102 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2811 [inline]
__schedule+0x88b/0x1de0 kernel/sched/core.c:3387
schedule+0x8d/0x1b0 kernel/sched/core.c:3431
__rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:588 [inline]
rwsem_down_write_failed+0x343/0x6d0 kernel/locking/rwsem-xadd.c:617
call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:105
__down_write arch/x86/include/asm/rwsem.h:126 [inline]
down_write+0x4f/0x90 kernel/locking/rwsem.c:56
inode_lock include/linux/fs.h:719 [inline]
fuse_flush+0x1c7/0x520 fs/fuse/file.c:423
filp_close+0x9d/0x140 fs/open.c:1158
__close_fd+0x151/0x230 fs/file.c:639
SYSC_close fs/open.c:1177 [inline]
SyS_close+0x42/0x90 fs/open.c:1175
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7ff7902afebb
RSP: 002b:00007ffe19a64bc0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 00007ff7902afebb
RDX: 0000001b30120000 RSI: 00007ff78fe78fd8 RDI: 0000000000000004
RBP: 00007ff790411980 R08: 0000000000000000 R09: 00000000c07cd304
R10: 0008ca0b588b0178 R11: 0000000000000293 R12: 0000000000038b65
R13: 00007ffe19a64cc0 R14: 00007ff79040ff80 R15: 0000000000000032
INFO: task syz-executor.2:12579 blocked for more than 140 seconds.
Not tainted 4.14.290-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.2 D28992 12579 12102 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2811 [inline]
__schedule+0x88b/0x1de0 kernel/sched/core.c:3387
schedule+0x8d/0x1b0 kernel/sched/core.c:3431
fuse_wait_on_page_writeback fs/fuse/file.c:385 [inline]
fuse_wait_on_page_writeback.isra.0+0xdc/0x120 fs/fuse/file.c:381
fuse_launder_page fs/fuse/file.c:2042 [inline]
fuse_launder_page+0xa2/0xd0 fs/fuse/file.c:2035
do_launder_page mm/truncate.c:609 [inline]
invalidate_inode_pages2_range+0x547/0xc00 mm/truncate.c:685
fuse_finish_open+0x262/0x500 fs/fuse/file.c:181
fuse_open_common+0x234/0x290 fs/fuse/file.c:224
do_dentry_open+0x44b/0xec0 fs/open.c:777
vfs_open+0x105/0x220 fs/open.c:888
do_last fs/namei.c:3428 [inline]
path_openat+0x628/0x2970 fs/namei.c:3569
do_filp_open+0x179/0x3c0 fs/namei.c:3603
do_sys_open+0x296/0x410 fs/open.c:1081
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7ff7902fd279
RSP: 002b:00007ff78ec51168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055
RAX: ffffffffffffffda RBX: 00007ff790410050 RCX: 00007ff7902fd279
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000200001c0
RBP: 00007ff790357189 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe19a64b5f R14: 00007ff78ec51300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/1517:
#0: (tasklist_lock){.+.+}, at: [<ffffffff8701eaf9>] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4548
2 locks held by kworker/1:2/4637:
#0: ("events"){+.+.}, at: [<ffffffff81364eb0>] process_one_work+0x6b0/0x14a0 kernel/workqueue.c:2088
#1: ((&rew.rew_work)){+.+.}, at: [<ffffffff81364ee6>] process_one_work+0x6e6/0x14a0 kernel/workqueue.c:2092
1 lock held by in:imklog/7660:
#0: (&f->f_pos_lock){+.+.}, at: [<ffffffff818d727b>] __fdget_pos+0x1fb/0x2b0 fs/file.c:819
1 lock held by syz-executor.2/11977:
#0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f4067>] inode_lock include/linux/fs.h:719 [inline]
#0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f4067>] fuse_flush+0x1c7/0x520 fs/fuse/file.c:423
2 locks held by syz-executor.2/12000:
#0: (sb_writers#15){.+.+}, at: [<ffffffff818e02ea>] sb_start_write include/linux/fs.h:1551 [inline]
#0: (sb_writers#15){.+.+}, at: [<ffffffff818e02ea>] mnt_want_write+0x3a/0xb0 fs/namespace.c:386
#1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f3c74>] inode_lock include/linux/fs.h:719 [inline]
#1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f3c74>] fuse_open_common+0x1a4/0x290 fs/fuse/file.c:217
1 lock held by syz-executor.1/12006:
#0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f4067>] inode_lock include/linux/fs.h:719 [inline]
#0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f4067>] fuse_flush+0x1c7/0x520 fs/fuse/file.c:423
2 locks held by syz-executor.1/12016:
#0: (sb_writers#15){.+.+}, at: [<ffffffff818e02ea>] sb_start_write include/linux/fs.h:1551 [inline]
#0: (sb_writers#15){.+.+}, at: [<ffffffff818e02ea>] mnt_want_write+0x3a/0xb0 fs/namespace.c:386
#1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f3c74>] inode_lock include/linux/fs.h:719 [inline]
#1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f3c74>] fuse_open_common+0x1a4/0x290 fs/fuse/file.c:217
1 lock held by syz-executor.5/12043:
#0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f4067>] inode_lock include/linux/fs.h:719 [inline]
#0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f4067>] fuse_flush+0x1c7/0x520 fs/fuse/file.c:423
2 locks held by syz-executor.5/12051:
#0: (sb_writers#15){.+.+}, at: [<ffffffff818e02ea>] sb_start_write include/linux/fs.h:1551 [inline]
#0: (sb_writers#15){.+.+}, at: [<ffffffff818e02ea>] mnt_want_write+0x3a/0xb0 fs/namespace.c:386
#1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f3c74>] inode_lock include/linux/fs.h:719 [inline]
#1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f3c74>] fuse_open_common+0x1a4/0x290 fs/fuse/file.c:217
1 lock held by syz-executor.0/12067:
#0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f4067>] inode_lock include/linux/fs.h:719 [inline]
#0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f4067>] fuse_flush+0x1c7/0x520 fs/fuse/file.c:423
2 locks held by syz-executor.0/12077:
#0: (sb_writers#15){.+.+}, at: [<ffffffff818e02ea>] sb_start_write include/linux/fs.h:1551 [inline]
#0: (sb_writers#15){.+.+}, at: [<ffffffff818e02ea>] mnt_want_write+0x3a/0xb0 fs/namespace.c:386
#1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f3c74>] inode_lock include/linux/fs.h:719 [inline]
#1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f3c74>] fuse_open_common+0x1a4/0x290 fs/fuse/file.c:217
1 lock held by syz-executor.2/12562:
#0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f4067>] inode_lock include/linux/fs.h:719 [inline]
#0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f4067>] fuse_flush+0x1c7/0x520 fs/fuse/file.c:423
2 locks held by syz-executor.2/12579:
#0: (sb_writers#15){.+.+}, at: [<ffffffff818e02ea>] sb_start_write include/linux/fs.h:1551 [inline]
#0: (sb_writers#15){.+.+}, at: [<ffffffff818e02ea>] mnt_want_write+0x3a/0xb0 fs/namespace.c:386
#1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f3c74>] inode_lock include/linux/fs.h:719 [inline]
#1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f3c74>] fuse_open_common+0x1a4/0x290 fs/fuse/file.c:217
1 lock held by syz-executor.1/12589:
#0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f4067>] inode_lock include/linux/fs.h:719 [inline]
#0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f4067>] fuse_flush+0x1c7/0x520 fs/fuse/file.c:423
2 locks held by syz-executor.1/12596:
#0: (sb_writers#15){.+.+}, at: [<ffffffff818e02ea>] sb_start_write include/linux/fs.h:1551 [inline]
#0: (sb_writers#15){.+.+}, at: [<ffffffff818e02ea>] mnt_want_write+0x3a/0xb0 fs/namespace.c:386
#1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f3c74>] inode_lock include/linux/fs.h:719 [inline]
#1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f3c74>] fuse_open_common+0x1a4/0x290 fs/fuse/file.c:217
1 lock held by syz-executor.5/13551:
#0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f4067>] inode_lock include/linux/fs.h:719 [inline]
#0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f4067>] fuse_flush+0x1c7/0x520 fs/fuse/file.c:423
2 locks held by syz-executor.5/13563:
#0: (sb_writers#15){.+.+}, at: [<ffffffff818e02ea>] sb_start_write include/linux/fs.h:1551 [inline]
#0: (sb_writers#15){.+.+}, at: [<ffffffff818e02ea>] mnt_want_write+0x3a/0xb0 fs/namespace.c:386
#1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f3c74>] inode_lock include/linux/fs.h:719 [inline]
#1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f3c74>] fuse_open_common+0x1a4/0x290 fs/fuse/file.c:217
1 lock held by syz-executor.2/13577:
#0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f4067>] inode_lock include/linux/fs.h:719 [inline]
#0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f4067>] fuse_flush+0x1c7/0x520 fs/fuse/file.c:423
2 locks held by syz-executor.2/13593:
#0: (sb_writers#15){.+.+}, at: [<ffffffff818e02ea>] sb_start_write include/linux/fs.h:1551 [inline]
#0: (sb_writers#15){.+.+}, at: [<ffffffff818e02ea>] mnt_want_write+0x3a/0xb0 fs/namespace.c:386
#1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f3c74>] inode_lock include/linux/fs.h:719 [inline]
#1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f3c74>] fuse_open_common+0x1a4/0x290 fs/fuse/file.c:217
1 lock held by syz-executor.0/13614:
#0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f4067>] inode_lock include/linux/fs.h:719 [inline]
#0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f4067>] fuse_flush+0x1c7/0x520 fs/fuse/file.c:423
2 locks held by syz-executor.0/13628:
#0: (sb_writers#15){.+.+}, at: [<ffffffff818e02ea>] sb_start_write include/linux/fs.h:1551 [inline]
#0: (sb_writers#15){.+.+}, at: [<ffffffff818e02ea>] mnt_want_write+0x3a/0xb0 fs/namespace.c:386
#1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f3c74>] inode_lock include/linux/fs.h:719 [inline]
#1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f3c74>] fuse_open_common+0x1a4/0x290 fs/fuse/file.c:217
1 lock held by syz-executor.1/13622:
#0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f4067>] inode_lock include/linux/fs.h:719 [inline]
#0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f4067>] fuse_flush+0x1c7/0x520 fs/fuse/file.c:423
2 locks held by syz-executor.1/13629:
#0: (sb_writers#15){.+.+}, at: [<ffffffff818e02ea>] sb_start_write include/linux/fs.h:1551 [inline]
#0: (sb_writers#15){.+.+}, at: [<ffffffff818e02ea>] mnt_want_write+0x3a/0xb0 fs/namespace.c:386
#1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f3c74>] inode_lock include/linux/fs.h:719 [inline]
#1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f3c74>] fuse_open_common+0x1a4/0x290 fs/fuse/file.c:217
1 lock held by syz-executor.5/14552:
#0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f4067>] inode_lock include/linux/fs.h:719 [inline]
#0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f4067>] fuse_flush+0x1c7/0x520 fs/fuse/file.c:423
2 locks held by syz-executor.5/14564:
#0: (sb_writers#15){.+.+}, at: [<ffffffff818e02ea>] sb_start_write include/linux/fs.h:1551 [inline]
#0: (sb_writers#15){.+.+}, at: [<ffffffff818e02ea>] mnt_want_write+0x3a/0xb0 fs/namespace.c:386
#1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f3c74>] inode_lock include/linux/fs.h:719 [inline]
#1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f3c74>] fuse_open_common+0x1a4/0x290 fs/fuse/file.c:217
1 lock held by syz-executor.0/14643:
#0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f4067>] inode_lock include/linux/fs.h:719 [inline]
#0: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f4067>] fuse_flush+0x1c7/0x520 fs/fuse/file.c:423
2 locks held by syz-executor.0/14660:
#0: (sb_writers#15){.+.+}, at: [<ffffffff818e02ea>] sb_start_write include/linux/fs.h:1551 [inline]
#0: (sb_writers#15){.+.+}, at: [<ffffffff818e02ea>] mnt_want_write+0x3a/0xb0 fs/namespace.c:386
#1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f3c74>] inode_lock include/linux/fs.h:719 [inline]
#1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [<ffffffff822f3c74>] fuse_open_common+0x1a4/0x290 fs/fuse/file.c:217
1 lock held by syz-executor.0/15416:
#0: (rtnl_mutex){+.+.}, at: [<ffffffff85c805bd>] rtnl_lock net/core/rtnetlink.c:72 [inline]
#0: (rtnl_mutex){+.+.}, at: [<ffffffff85c805bd>] rtnetlink_rcv_msg+0x31d/0xb10 net/core/rtnetlink.c:4317
1 lock held by syz-executor.0/15427:
#0: (rtnl_mutex){+.+.}, at: [<ffffffff85c805bd>] rtnl_lock net/core/rtnetlink.c:72 [inline]
#0: (rtnl_mutex){+.+.}, at: [<ffffffff85c805bd>] rtnetlink_rcv_msg+0x31d/0xb10 net/core/rtnetlink.c:4317
3 locks held by syz-executor.5/15419:
#0: (br_ioctl_mutex){+.+.}, at: [<ffffffff85bc8509>] sock_ioctl+0x239/0x4c0 net/socket.c:1036
#1: (rtnl_mutex){+.+.}, at: [<ffffffff8650d563>] br_del_bridge+0x13/0xe0 net/bridge/br_if.c:403
#2: (rcu_preempt_state.exp_mutex){+.+.}, at: [<ffffffff814701dd>] exp_funnel_lock kernel/rcu/tree_exp.h:305 [inline]
#2: (rcu_preempt_state.exp_mutex){+.+.}, at: [<ffffffff814701dd>] _synchronize_rcu_expedited+0x32d/0x770 kernel/rcu/tree_exp.h:596
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 1517 Comm: khungtaskd Not tainted 4.14.290-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0x1b2/0x281 lib/dump_stack.c:58
nmi_cpu_backtrace.cold+0x57/0x93 lib/nmi_backtrace.c:101
nmi_trigger_cpumask_backtrace+0x13a/0x180 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:140 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:195 [inline]
watchdog+0x5b9/0xb40 kernel/hung_task.c:274
kthread+0x30d/0x420 kernel/kthread.c:232
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 15439 Comm: syz-executor.1 Not tainted 4.14.290-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
task: ffff8880595803c0 task.stack: ffff888059398000
RIP: 0010:rcu_read_unlock_sched_notrace include/linux/rcupdate.h:775 [inline]
RIP: 0010:trace_lock_release include/trace/events/lock.h:58 [inline]
RIP: 0010:lock_release+0x5be/0x870 kernel/locking/lockdep.c:4016
RSP: 0018:ffff88805939f938 EFLAGS: 00000086
RAX: 0000000000000000 RBX: 1ffff1100b273f2a RCX: 0000000000000001
RDX: 0000000000000001 RSI: 0000000000000002 RDI: ffff888059580c44
RBP: ffff88809f9ab3d0 R08: ffffffff8b9c15f8 R09: 0000000000050406
R10: 0000000000000000 R11: ffff8880595803c0 R12: ffffffff81742d94
R13: ffff8880595803c0 R14: ffff88805939fb38 R15: dffffc0000000000
FS: 00007fd6645db700(0000) GS:ffff8880ba400000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020200030 CR3: 00000000abd02000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000004 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__might_fault mm/memory.c:4705 [inline]
__might_fault+0x177/0x1b0 mm/memory.c:4690
_copy_from_user+0x27/0x100 lib/usercopy.c:10
copy_from_user include/linux/uaccess.h:147 [inline]
copy_msghdr_from_user+0x7b/0x3b0 net/socket.c:1943
___sys_recvmsg+0xe5/0x4d0 net/socket.c:2209
__sys_recvmmsg+0x1f3/0x5d0 net/socket.c:2329
SYSC_recvmmsg net/socket.c:2405 [inline]
SyS_recvmmsg+0x125/0x140 net/socket.c:2394
do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x7fd665c87279
RSP: 002b:00007fd6645db168 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fd665d9a050 RCX: 00007fd665c87279
RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 00007fd665ce1189 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe391bda2f R14: 00007fd6645db300 R15: 0000000000022000
Code: 65 ff 05 26 ac c0 7e 48 8b 05 17 a3 b1 08 e8 fa 4d 04 00 85 c0 74 0d 80 3d f8 52 b1 08 00 0f 84 47 01 00 00 65 ff 0d 02 ac c0 7e <0f> 85 a5 fb ff ff e8 b3 48 be ff e9 9b fb ff ff 0f 0b 0f 0b 0f