INFO: task udevd:2970 blocked for more than 143 seconds.
Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:udevd state:D stack:23704 pid:2970 ppid:1 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0x8fc/0xda0 kernel/sched/core.c:6503
schedule+0xcb/0x190 kernel/sched/core.c:6579
rwsem_down_read_slowpath+0x5fe/0x950 kernel/locking/rwsem.c:1095
__down_read_common+0x54/0x2a0 kernel/locking/rwsem.c:1260
kernfs_fop_readdir+0x577/0x870 fs/kernfs/dir.c:1810
iterate_dir+0x257/0x5f0
__do_sys_getdents64 fs/readdir.c:369 [inline]
__se_sys_getdents64+0x1e9/0x4b0 fs/readdir.c:354
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f32b18ff097
RSP: 002b:00007ffd6b88ea28 EFLAGS: 00000293 ORIG_RAX: 00000000000000d9
RAX: ffffffffffffffda RBX: 000055f5cb464f00 RCX: 00007f32b18ff097
RDX: 0000000000008000 RSI: 000055f5cb464f30 RDI: 000000000000000c
RBP: 000055f5cb464f30 R08: 0000000000000030 R09: 00007f32b19f5a60
R10: 0000000000000010 R11: 0000000000000293 R12: fffffffffffffe68
R13: 000055f5cb464f04 R14: 0000000000000016 R15: 0000000000000000
INFO: task kworker/u4:8:4227 blocked for more than 143 seconds.
Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u4:8 state:D stack:24088 pid:4227 ppid:2 flags:0x00004000
Workqueue: netns cleanup_net
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0x8fc/0xda0 kernel/sched/core.c:6503
schedule+0xcb/0x190 kernel/sched/core.c:6579
rwsem_down_read_slowpath+0x5fe/0x950 kernel/locking/rwsem.c:1095
__down_read_common+0x54/0x2a0 kernel/locking/rwsem.c:1260
kernfs_find_and_get_ns+0x6d/0x100 fs/kernfs/dir.c:873
kernfs_find_and_get include/linux/kernfs.h:597 [inline]
sysfs_unmerge_group+0x5e/0x130 fs/sysfs/group.c:365
rpm_sysfs_remove drivers/base/power/sysfs.c:826 [inline]
dpm_sysfs_remove+0x65/0xb0 drivers/base/power/sysfs.c:835
device_del+0x2ed/0xbe0 drivers/base/core.c:3681
unregister_netdevice_many+0x14aa/0x1a30 net/core/dev.c:10874
ip_tunnel_delete_nets+0x325/0x370 net/ipv4/ip_tunnel.c:1126
ops_exit_list net/core/net_namespace.c:174 [inline]
cleanup_net+0x80c/0xc50 net/core/net_namespace.c:601
process_one_work+0x81c/0xd10 kernel/workqueue.c:2289
worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
INFO: task kworker/0:28:11833 blocked for more than 143 seconds.
Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:28 state:D stack:26840 pid:11833 ppid:2 flags:0x00004000
Workqueue: ipv6_addrconf addrconf_verify_work
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0x8fc/0xda0 kernel/sched/core.c:6503
schedule+0xcb/0x190 kernel/sched/core.c:6579
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6638
__mutex_lock_common+0xecf/0x26c0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:799
addrconf_verify_work+0x15/0x30 net/ipv6/addrconf.c:4624
process_one_work+0x81c/0xd10 kernel/workqueue.c:2289
worker_thread+0xb14/0x1330 kernel/workqueue.c:2436
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
INFO: task syz-executor.5:13090 blocked for more than 144 seconds.
Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:26904 pid:13090 ppid:3642 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0x8fc/0xda0 kernel/sched/core.c:6503
schedule+0xcb/0x190 kernel/sched/core.c:6579
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6638
__mutex_lock_common+0xecf/0x26c0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:799
rtnl_lock net/core/rtnetlink.c:74 [inline]
rtnetlink_rcv_msg+0x75d/0xe90 net/core/rtnetlink.c:6088
netlink_rcv_skb+0x1f0/0x460 net/netlink/af_netlink.c:2540
netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
netlink_unicast+0x7e7/0x9c0 net/netlink/af_netlink.c:1345
netlink_sendmsg+0x9b3/0xcd0 net/netlink/af_netlink.c:1921
sock_sendmsg_nosec net/socket.c:714 [inline]
sock_sendmsg net/socket.c:734 [inline]
____sys_sendmsg+0x597/0x8e0 net/socket.c:2482
___sys_sendmsg net/socket.c:2536 [inline]
__sys_sendmsg+0x28e/0x390 net/socket.c:2565
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f03aec8b5a9
RSP: 002b:00007f03af965168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f03aedac050 RCX: 00007f03aec8b5a9
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000005
RBP: 00007f03aece67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffef452f67f R14: 00007f03af965300 R15: 0000000000022000
INFO: task syz-executor.5:13098 blocked for more than 144 seconds.
Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:28056 pid:13098 ppid:3642 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0x8fc/0xda0 kernel/sched/core.c:6503
schedule+0xcb/0x190 kernel/sched/core.c:6579
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6638
__mutex_lock_common+0xecf/0x26c0 kernel/locking/mutex.c:679
__mutex_lock kernel/locking/mutex.c:747 [inline]
mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:799
rtnl_lock net/core/rtnetlink.c:74 [inline]
rtnetlink_rcv_msg+0x75d/0xe90 net/core/rtnetlink.c:6088
netlink_rcv_skb+0x1f0/0x460 net/netlink/af_netlink.c:2540
netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
netlink_unicast+0x7e7/0x9c0 net/netlink/af_netlink.c:1345
netlink_sendmsg+0x9b3/0xcd0 net/netlink/af_netlink.c:1921
sock_sendmsg_nosec net/socket.c:714 [inline]
sock_sendmsg net/socket.c:734 [inline]
____sys_sendmsg+0x597/0x8e0 net/socket.c:2482
___sys_sendmsg net/socket.c:2536 [inline]
__sys_sendmsg+0x28e/0x390 net/socket.c:2565
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f03aec8b5a9
RSP: 002b:00007f03af944168 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f03aedac120 RCX: 00007f03aec8b5a9
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000006
RBP: 00007f03aece67b0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffef452f67f R14: 00007f03af944300 R15: 0000000000022000
INFO: task modprobe:13089 blocked for more than 144 seconds.
Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:modprobe state:D stack:25880 pid:13089 ppid:4048 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0x8fc/0xda0 kernel/sched/core.c:6503
schedule+0xcb/0x190 kernel/sched/core.c:6579
rwsem_down_read_slowpath+0x5fe/0x950 kernel/locking/rwsem.c:1095
__down_read_common+0x54/0x2a0 kernel/locking/rwsem.c:1260
kernfs_iop_permission+0xa9/0x360 fs/kernfs/inode.c:290
do_inode_permission fs/namei.c:458 [inline]
inode_permission+0x22c/0x450 fs/namei.c:525
may_lookup fs/namei.c:1715 [inline]
link_path_walk+0x2ef/0xf00 fs/namei.c:2262
path_lookupat+0xab/0x450 fs/namei.c:2473
filename_lookup+0x285/0x660 fs/namei.c:2503
user_path_at_empty+0x40/0x1a0 fs/namei.c:2876
user_path_at include/linux/namei.h:57 [inline]
user_statfs fs/statfs.c:103 [inline]
__do_sys_statfs fs/statfs.c:195 [inline]
__se_sys_statfs+0xe6/0x220 fs/statfs.c:192
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f586bc202a7
RSP: 002b:00007ffd72b21498 EFLAGS: 00000246 ORIG_RAX: 0000000000000089
RAX: ffffffffffffffda RBX: 00007f586bb1d4f8 RCX: 00007f586bc202a7
RDX: 00007f586bb1f17c RSI: 00007ffd72b21520 RDI: 00007f586bb15723
RBP: 00007f586bb15723 R08: 0000000000007fff R09: 0000000000000000
R10: 00007ffd72b21530 R11: 0000000000000246 R12: 00007ffd72b21520
R13: 00007ffd72b216b0 R14: 00007f586bb1d4f8 R15: 0000000000000000
INFO: task syz-executor.0:13105 blocked for more than 145 seconds.
Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:26392 pid:13105 ppid:3781 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0x8fc/0xda0 kernel/sched/core.c:6503
schedule+0xcb/0x190 kernel/sched/core.c:6579
rwsem_down_write_slowpath+0xfdc/0x14a0 kernel/locking/rwsem.c:1190
__down_write_common kernel/locking/rwsem.c:1305 [inline]
__down_write kernel/locking/rwsem.c:1314 [inline]
down_write+0x231/0x270 kernel/locking/rwsem.c:1563
kernfs_add_one+0x94/0x560 fs/kernfs/dir.c:738
kernfs_create_dir_ns+0x1bf/0x220 fs/kernfs/dir.c:1021
sysfs_create_dir_ns+0x181/0x390 fs/sysfs/dir.c:59
create_dir lib/kobject.c:63 [inline]
kobject_add_internal+0x6dd/0xd10 lib/kobject.c:223
kobject_add_varg lib/kobject.c:358 [inline]
kobject_init_and_add+0x123/0x190 lib/kobject.c:441
nfs_netns_client_alloc fs/nfs/sysfs.c:163 [inline]
nfs_netns_sysfs_setup+0xcb/0x150 fs/nfs/sysfs.c:175
nfs_net_init+0x11/0x20 fs/nfs/inode.c:2338
ops_init+0x353/0x5d0 net/core/net_namespace.c:135
setup_net+0x4bb/0xc10 net/core/net_namespace.c:332
copy_net_ns+0x359/0x5b0 net/core/net_namespace.c:478
create_new_namespaces+0x4db/0x8e0 kernel/nsproxy.c:110
copy_namespaces+0x333/0x390 kernel/nsproxy.c:178
copy_process+0x1a55/0x3fc0 kernel/fork.c:2256
kernel_clone+0x227/0x640 kernel/fork.c:2671
__do_sys_clone3 kernel/fork.c:2970 [inline]
__se_sys_clone3+0x372/0x410 kernel/fork.c:2954
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f6b5268b5a9
RSP: 002b:00007f6b5330f038 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007f6b527ac050 RCX: 00007f6b5268b5a9
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 00007f6b5330f050
RBP: 00007f6b526e67b0 R08: 0000000000000000 R09: 0000000000000058
R10: 00007f6b5330f050 R11: 0000000000000246 R12: 0000000000000058
R13: 00007fff0d3f1dcf R14: 00007f6b5330f300 R15: 0000000000022000
INFO: task syz-executor.4:13104 blocked for more than 145 seconds.
Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:26392 pid:13104 ppid:3643 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5191 [inline]
__schedule+0x8fc/0xda0 kernel/sched/core.c:6503
schedule+0xcb/0x190 kernel/sched/core.c:6579
rwsem_down_write_slowpath+0xfdc/0x14a0 kernel/locking/rwsem.c:1190
__down_write_common kernel/locking/rwsem.c:1305 [inline]
__down_write kernel/locking/rwsem.c:1314 [inline]
down_write+0x231/0x270 kernel/locking/rwsem.c:1563
kernfs_add_one+0x94/0x560 fs/kernfs/dir.c:738
kernfs_create_dir_ns+0x1bf/0x220 fs/kernfs/dir.c:1021
sysfs_create_dir_ns+0x181/0x390 fs/sysfs/dir.c:59
create_dir lib/kobject.c:63 [inline]
kobject_add_internal+0x6dd/0xd10 lib/kobject.c:223
kobject_add_varg lib/kobject.c:358 [inline]
kobject_init_and_add+0x123/0x190 lib/kobject.c:441
nfs_netns_client_alloc fs/nfs/sysfs.c:163 [inline]
nfs_netns_sysfs_setup+0xcb/0x150 fs/nfs/sysfs.c:175
nfs_net_init+0x11/0x20 fs/nfs/inode.c:2338
ops_init+0x353/0x5d0 net/core/net_namespace.c:135
setup_net+0x4bb/0xc10 net/core/net_namespace.c:332
copy_net_ns+0x359/0x5b0 net/core/net_namespace.c:478
create_new_namespaces+0x4db/0x8e0 kernel/nsproxy.c:110
copy_namespaces+0x333/0x390 kernel/nsproxy.c:178
copy_process+0x1a55/0x3fc0 kernel/fork.c:2256
kernel_clone+0x227/0x640 kernel/fork.c:2671
__do_sys_clone3 kernel/fork.c:2970 [inline]
__se_sys_clone3+0x372/0x410 kernel/fork.c:2954
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fa950c8b5a9
RSP: 002b:00007fa951a0a038 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007fa950dac050 RCX: 00007fa950c8b5a9
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 00007fa951a0a050
RBP: 00007fa950ce67b0 R08: 0000000000000000 R09: 0000000000000058
R10: 00007fa951a0a050 R11: 0000000000000246 R12: 0000000000000058
R13: 00007fff1d4ec90f R14: 00007fa951a0a300 R15: 0000000000022000
INFO: lockdep is turned off.
NMI backtrace for cpu 1
CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106
nmi_cpu_backtrace+0x4e3/0x560 lib/nmi_backtrace.c:111
nmi_trigger_cpumask_backtrace+0x19b/0x3e0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline]
watchdog+0xcf5/0xd40 kernel/hung_task.c:377
kthread+0x266/0x300 kernel/kthread.c:376
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:306
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 13103 Comm: syz-executor.3 Not tainted 6.1.0-rc2-syzkaller-00105-gb229b6ca5abb #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/11/2022
RIP: 0010:rwsem_try_write_lock kernel/locking/rwsem.c:610 [inline]
RIP: 0010:rwsem_down_write_slowpath+0xbbd/0x14a0 kernel/locking/rwsem.c:1161
Code: 12 25 50 8a 48 8b 5c 24 48 48 89 df be 04 00 00 00 e8 f7 5b 8e f7 44 89 f8 87 03 48 8b 7c 24 18 e8 48 b7 00 00 48 8b 44 24 68 <42> 80 3c 28 00 48 8b 5c 24 30 74 08 48 89 df e8 1f 5a 8e f7 4c 8b
RSP: 0018:ffffc9000ddf7200 EFLAGS: 00000046
RAX: 1ffff1100240cf26 RBX: 0000000000000001 RCX: 0000000000000001
RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc9000ddf70e0
RBP: ffffc9000ddf7430 R08: dffffc0000000000 R09: fffff52001bbee1c
R10: fffff52001bbee1d R11: 1ffff92001bbee1c R12: ffffc9000ee3f280
R13: dffffc0000000000 R14: ffff8880120678d8 R15: 0000000000000002
FS: 00007f6341bd8700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f5871855008 CR3: 0000000092534000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__down_write_common kernel/locking/rwsem.c:1305 [inline]
__down_write kernel/locking/rwsem.c:1314 [inline]
down_write+0x231/0x270 kernel/locking/rwsem.c:1563
kernfs_add_one+0x94/0x560 fs/kernfs/dir.c:738
__kernfs_create_file+0x232/0x2e0 fs/kernfs/file.c:1072
sysfs_add_file_mode_ns+0x21d/0x330 fs/sysfs/file.c:294
sysfs_create_file_ns+0x18e/0x290 fs/sysfs/file.c:355
bond_create_sysfs+0x71/0xf0 drivers/net/bonding/bond_sysfs.c:813
bond_net_init+0x8f/0xa0 drivers/net/bonding/bond_main.c:6320
ops_init+0x353/0x5d0 net/core/net_namespace.c:135
setup_net+0x4bb/0xc10 net/core/net_namespace.c:332
copy_net_ns+0x359/0x5b0 net/core/net_namespace.c:478
create_new_namespaces+0x4db/0x8e0 kernel/nsproxy.c:110
copy_namespaces+0x333/0x390 kernel/nsproxy.c:178
copy_process+0x1a55/0x3fc0 kernel/fork.c:2256
kernel_clone+0x227/0x640 kernel/fork.c:2671
__do_sys_clone3 kernel/fork.c:2970 [inline]
__se_sys_clone3+0x372/0x410 kernel/fork.c:2954
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x2b/0x70 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f6340e8b5a9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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:00007f6341bd8038 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3
RAX: ffffffffffffffda RBX: 00007f6340fac050 RCX: 00007f6340e8b5a9
RDX: 0000000000000000 RSI: 0000000000000058 RDI: 00007f6341bd8050
RBP: 00007f6340ee67b0 R08: 0000000000000000 R09: 0000000000000058
R10: 00007f6341bd8050 R11: 0000000000000246 R12: 0000000000000058
R13: 00007ffdf46897bf R14: 00007f6341bd8300 R15: 0000000000022000