INFO: task syz-executor.0:14589 can't die for more than 143 seconds.
task:syz-executor.0 state:D stack:27624 pid:14589 ppid: 13489 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4987 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6268
schedule+0xd2/0x260 kernel/sched/core.c:6341
rwsem_down_write_slowpath+0x761/0x1130 kernel/locking/rwsem.c:1117
__down_write_common kernel/locking/rwsem.c:1272 [inline]
__down_write_common kernel/locking/rwsem.c:1269 [inline]
__down_write kernel/locking/rwsem.c:1281 [inline]
down_write+0x135/0x150 kernel/locking/rwsem.c:1528
inode_lock include/linux/fs.h:783 [inline]
lock_mount+0x8a/0x2e0 fs/namespace.c:2242
do_new_mount_fc fs/namespace.c:2931 [inline]
do_new_mount fs/namespace.c:2990 [inline]
path_mount+0x14c6/0x1fa0 fs/namespace.c:3318
do_mount fs/namespace.c:3331 [inline]
__do_sys_mount fs/namespace.c:3539 [inline]
__se_sys_mount fs/namespace.c:3516 [inline]
__x64_sys_mount+0x27f/0x300 fs/namespace.c:3516
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f229ea75ae9
RSP: 002b:00007f229bfca188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f229eb89020 RCX: 00007f229ea75ae9
RDX: 0000000020000140 RSI: 0000000020000000 RDI: 0000000000000000
RBP: 00007f229eacff6d R08: 0000000020000580 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffda5109ebf R14: 00007f229bfca300 R15: 0000000000022000
INFO: task syz-executor.0:14589 blocked for more than 143 seconds.
Not tainted 5.16.0-rc1-next-20211118-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27624 pid:14589 ppid: 13489 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4987 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6268
schedule+0xd2/0x260 kernel/sched/core.c:6341
rwsem_down_write_slowpath+0x761/0x1130 kernel/locking/rwsem.c:1117
__down_write_common kernel/locking/rwsem.c:1272 [inline]
__down_write_common kernel/locking/rwsem.c:1269 [inline]
__down_write kernel/locking/rwsem.c:1281 [inline]
down_write+0x135/0x150 kernel/locking/rwsem.c:1528
inode_lock include/linux/fs.h:783 [inline]
lock_mount+0x8a/0x2e0 fs/namespace.c:2242
do_new_mount_fc fs/namespace.c:2931 [inline]
do_new_mount fs/namespace.c:2990 [inline]
path_mount+0x14c6/0x1fa0 fs/namespace.c:3318
do_mount fs/namespace.c:3331 [inline]
__do_sys_mount fs/namespace.c:3539 [inline]
__se_sys_mount fs/namespace.c:3516 [inline]
__x64_sys_mount+0x27f/0x300 fs/namespace.c:3516
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f229ea75ae9
RSP: 002b:00007f229bfca188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f229eb89020 RCX: 00007f229ea75ae9
RDX: 0000000020000140 RSI: 0000000020000000 RDI: 0000000000000000
RBP: 00007f229eacff6d R08: 0000000020000580 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffda5109ebf R14: 00007f229bfca300 R15: 0000000000022000
INFO: task syz-executor.0:14595 can't die for more than 143 seconds.
task:syz-executor.0 state:D stack:29568 pid:14595 ppid: 13489 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4987 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6268
schedule+0xd2/0x260 kernel/sched/core.c:6341
rwsem_down_read_slowpath+0x4c5/0x990 kernel/locking/rwsem.c:996
__down_read_common kernel/locking/rwsem.c:1224 [inline]
__down_read kernel/locking/rwsem.c:1233 [inline]
down_read+0xe2/0x440 kernel/locking/rwsem.c:1476
inode_lock_shared include/linux/fs.h:793 [inline]
lookup_slow fs/namei.c:1673 [inline]
walk_component+0x400/0x6a0 fs/namei.c:1970
lookup_last fs/namei.c:2425 [inline]
path_lookupat+0x1bb/0x860 fs/namei.c:2449
filename_lookup+0x1c6/0x590 fs/namei.c:2478
user_path_at_empty+0x42/0x60 fs/namei.c:2801
user_path_at include/linux/namei.h:57 [inline]
do_mount fs/namespace.c:3328 [inline]
__do_sys_mount fs/namespace.c:3539 [inline]
__se_sys_mount fs/namespace.c:3516 [inline]
__x64_sys_mount+0x1ea/0x300 fs/namespace.c:3516
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f229ea75ae9
RSP: 002b:00007f229bfa9188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f229eb890e0 RCX: 00007f229ea75ae9
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f229eacff6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffda5109ebf R14: 00007f229bfa9300 R15: 0000000000022000
INFO: task syz-executor.0:14595 blocked for more than 144 seconds.
Not tainted 5.16.0-rc1-next-20211118-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:29568 pid:14595 ppid: 13489 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4987 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6268
schedule+0xd2/0x260 kernel/sched/core.c:6341
rwsem_down_read_slowpath+0x4c5/0x990 kernel/locking/rwsem.c:996
__down_read_common kernel/locking/rwsem.c:1224 [inline]
__down_read kernel/locking/rwsem.c:1233 [inline]
down_read+0xe2/0x440 kernel/locking/rwsem.c:1476
inode_lock_shared include/linux/fs.h:793 [inline]
lookup_slow fs/namei.c:1673 [inline]
walk_component+0x400/0x6a0 fs/namei.c:1970
lookup_last fs/namei.c:2425 [inline]
path_lookupat+0x1bb/0x860 fs/namei.c:2449
filename_lookup+0x1c6/0x590 fs/namei.c:2478
user_path_at_empty+0x42/0x60 fs/namei.c:2801
user_path_at include/linux/namei.h:57 [inline]
do_mount fs/namespace.c:3328 [inline]
__do_sys_mount fs/namespace.c:3539 [inline]
__se_sys_mount fs/namespace.c:3516 [inline]
__x64_sys_mount+0x1ea/0x300 fs/namespace.c:3516
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f229ea75ae9
RSP: 002b:00007f229bfa9188 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f229eb890e0 RCX: 00007f229ea75ae9
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f229eacff6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffda5109ebf R14: 00007f229bfa9300 R15: 0000000000022000
INFO: task syz-executor.0:14635 can't die for more than 144 seconds.
task:syz-executor.0 state:D stack:29504 pid:14635 ppid: 13489 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4987 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6268
schedule+0xd2/0x260 kernel/sched/core.c:6341
rwsem_down_write_slowpath+0x761/0x1130 kernel/locking/rwsem.c:1117
__down_write_common kernel/locking/rwsem.c:1272 [inline]
__down_write_common kernel/locking/rwsem.c:1269 [inline]
__down_write kernel/locking/rwsem.c:1281 [inline]
down_write+0x135/0x150 kernel/locking/rwsem.c:1528
inode_lock include/linux/fs.h:783 [inline]
vfs_setxattr+0x11c/0x330 fs/xattr.c:300
setxattr+0x218/0x2b0 fs/xattr.c:575
path_setxattr+0x197/0x1c0 fs/xattr.c:595
__do_sys_setxattr fs/xattr.c:611 [inline]
__se_sys_setxattr fs/xattr.c:607 [inline]
__x64_sys_setxattr+0xc0/0x160 fs/xattr.c:607
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f229ea75ae9
RSP: 002b:00007f229bf88188 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc
RAX: ffffffffffffffda RBX: 00007f229eb891a0 RCX: 00007f229ea75ae9
RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000020000080
RBP: 00007f229eacff6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffda5109ebf R14: 00007f229bf88300 R15: 0000000000022000
INFO: task syz-executor.0:14635 blocked for more than 144 seconds.
Not tainted 5.16.0-rc1-next-20211118-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:29504 pid:14635 ppid: 13489 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:4987 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6268
schedule+0xd2/0x260 kernel/sched/core.c:6341
rwsem_down_write_slowpath+0x761/0x1130 kernel/locking/rwsem.c:1117
__down_write_common kernel/locking/rwsem.c:1272 [inline]
__down_write_common kernel/locking/rwsem.c:1269 [inline]
__down_write kernel/locking/rwsem.c:1281 [inline]
down_write+0x135/0x150 kernel/locking/rwsem.c:1528
inode_lock include/linux/fs.h:783 [inline]
vfs_setxattr+0x11c/0x330 fs/xattr.c:300
setxattr+0x218/0x2b0 fs/xattr.c:575
path_setxattr+0x197/0x1c0 fs/xattr.c:595
__do_sys_setxattr fs/xattr.c:611 [inline]
__se_sys_setxattr fs/xattr.c:607 [inline]
__x64_sys_setxattr+0xc0/0x160 fs/xattr.c:607
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f229ea75ae9
RSP: 002b:00007f229bf88188 EFLAGS: 00000246 ORIG_RAX: 00000000000000bc
RAX: ffffffffffffffda RBX: 00007f229eb891a0 RCX: 00007f229ea75ae9
RDX: 0000000000000000 RSI: 0000000020000180 RDI: 0000000020000080
RBP: 00007f229eacff6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffda5109ebf R14: 00007f229bf88300 R15: 0000000000022000
Showing all locks held in the system:
1 lock held by khungtaskd/26:
#0: ffffffff8bb83ba0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6458
3 locks held by kworker/u4:4/220:
1 lock held by in:imklog/6228:
#0: ffff88807bbced70 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:990
2 locks held by syz-executor.0/14580:
#0: ffff88802055e460 (sb_writers#26){.+.+}-{0:0}, at: path_setxattr+0xb2/0x1c0 fs/xattr.c:593
#1: ffff888076e2a250 (&sb->s_type->i_mutex_key#33){++++}-{3:3}, at: inode_lock include/linux/fs.h:783 [inline]
#1: ffff888076e2a250 (&sb->s_type->i_mutex_key#33){++++}-{3:3}, at: vfs_setxattr+0x11c/0x330 fs/xattr.c:300
1 lock held by syz-executor.0/14589:
#0: ffff888076e2a250 (&sb->s_type->i_mutex_key#33){++++}-{3:3}, at: inode_lock include/linux/fs.h:783 [inline]
#0: ffff888076e2a250 (&sb->s_type->i_mutex_key#33){++++}-{3:3}, at: lock_mount+0x8a/0x2e0 fs/namespace.c:2242
1 lock held by syz-executor.0/14595:
#0: ffff888076e2a250 (&sb->s_type->i_mutex_key#33){++++}-{3:3}, at: inode_lock_shared include/linux/fs.h:793 [inline]
#0: ffff888076e2a250 (&sb->s_type->i_mutex_key#33){++++}-{3:3}, at: lookup_slow fs/namei.c:1673 [inline]
#0: ffff888076e2a250 (&sb->s_type->i_mutex_key#33){++++}-{3:3}, at: walk_component+0x400/0x6a0 fs/namei.c:1970
2 locks held by syz-executor.0/14635:
#0: ffff88802055e460 (sb_writers#26){.+.+}-{0:0}, at: path_setxattr+0xb2/0x1c0 fs/xattr.c:593
#1: ffff888076e2a250 (&sb->s_type->i_mutex_key#33){++++}-{3:3}, at: inode_lock include/linux/fs.h:783 [inline]
#1: ffff888076e2a250 (&sb->s_type->i_mutex_key#33){++++}-{3:3}, at: vfs_setxattr+0x11c/0x330 fs/xattr.c:300
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 26 Comm: khungtaskd Not tainted 5.16.0-rc1-next-20211118-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x1b3/0x230 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:254 [inline]
watchdog+0xcb7/0xed0 kernel/hung_task.c:339
kthread+0x405/0x4f0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 2968 Comm: systemd-journal Not tainted 5.16.0-rc1-next-20211118-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0033:0x7f97233c6c1a
Code: 02 00 00 48 83 7c 24 70 00 0f 84 91 02 00 00 48 83 bc 24 80 00 00 00 00 0f 84 a2 02 00 00 83 f9 08 41 89 cc 0f 87 b6 02 00 00 <89> c8 41 89 d5 4c 89 cb 4c 8b 7c c5 18 4d 85 ff 0f 84 a0 00 00 00
RSP: 002b:00007fff5a1fc0d0 EFLAGS: 00000297
RAX: 0000557b964f8b10 RBX: 0000557b964f8ae0 RCX: 0000000000000001
RDX: 0000000000000003 RSI: 0000000000000017 RDI: 0000000000000002
RBP: 0000557b964ea040 R08: 0000000000000000 R09: 000000000012abe0
R10: 7b2139a4b5a7aaca R11: 4fe998773ad4242d R12: 0000000000000001
R13: 00007fff5a1fc238 R14: 0000000000000017 R15: 00007fff5a1fc1a0
FS: 00007f972378e8c0 GS: 0000000000000000