last executing test programs:
419.213185ms ago: executing program 0:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dsp', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/dsp', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dsp', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/dsp', 0x800, 0x0)
367.540343ms ago: executing program 0:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/debug/sync/sw_sync', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/sys/kernel/debug/sync/sw_sync', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/sync/sw_sync', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/sys/kernel/debug/sync/sw_sync', 0x800, 0x0)
349.639395ms ago: executing program 4:
pread64(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0)
324.880009ms ago: executing program 0:
statfs(&(0x7f0000000000), &(0x7f0000000000))
323.035859ms ago: executing program 3:
getdents(0xffffffffffffffff, &(0x7f0000000000), 0x0)
306.252402ms ago: executing program 0:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/capi/capi20ncci', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/proc/capi/capi20ncci', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/capi/capi20ncci', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/capi/capi20ncci', 0x800, 0x0)
304.204702ms ago: executing program 4:
clock_gettime(0x0, &(0x7f0000000000))
285.800605ms ago: executing program 3:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/video36', 0x2, 0x0)
263.064509ms ago: executing program 4:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ubi_ctrl', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ubi_ctrl', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ubi_ctrl', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ubi_ctrl', 0x800, 0x0)
255.00353ms ago: executing program 2:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/debug/bluetooth/6lowpan_enable', 0x2, 0x0)
253.5732ms ago: executing program 0:
fsopen(&(0x7f0000000000), 0x0)
235.305473ms ago: executing program 4:
statx(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0, &(0x7f0000000000))
226.913064ms ago: executing program 2:
sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0)
208.200657ms ago: executing program 1:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/revoke-subject', 0x2, 0x0)
191.88232ms ago: executing program 4:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/xen/evtchn', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/xen/evtchn', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/xen/evtchn', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/xen/evtchn', 0x800, 0x0)
188.133331ms ago: executing program 2:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/policy', 0x0, 0x0)
179.524512ms ago: executing program 3:
fspick(0xffffffffffffffff, &(0x7f0000000000), 0x0)
177.970432ms ago: executing program 1:
symlink(&(0x7f0000000000), &(0x7f0000000000))
154.781705ms ago: executing program 3:
move_mount(0xffffffffffffffff, &(0x7f0000000000), 0xffffffffffffffff, &(0x7f0000000000), 0x0)
151.278496ms ago: executing program 4:
writev(0xffffffffffffffff, &(0x7f0000000000), 0x0)
144.047447ms ago: executing program 1:
rename(&(0x7f0000000000), &(0x7f0000000000))
136.330979ms ago: executing program 2:
mkdir(&(0x7f0000000000), 0x0)
124.94629ms ago: executing program 3:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/snapshot', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/snapshot', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/snapshot', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/snapshot', 0x800, 0x0)
115.508882ms ago: executing program 1:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/keychord', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/keychord', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/keychord', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/keychord', 0x800, 0x0)
112.216042ms ago: executing program 2:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ashmem', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ashmem', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ashmem', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ashmem', 0x800, 0x0)
79.216478ms ago: executing program 0:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/mixer', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/mixer', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/mixer', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/mixer', 0x800, 0x0)
77.626138ms ago: executing program 1:
open_tree(0xffffffffffffffff, &(0x7f0000000000), 0x0)
63.72708ms ago: executing program 2:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/irnet', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/irnet', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/irnet', 0x2, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/irnet', 0x800, 0x0)
40.062093ms ago: executing program 1:
openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/syslog', 0x2, 0x0)
0s ago: executing program 3:
tee(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x0)
kernel console output (not intermixed with test programs):
Warning: Permanently added '10.128.1.119' (ED25519) to the list of known hosts.
2024/06/17 17:04:03 fuzzer started
2024/06/17 17:04:04 dialing manager at 10.128.0.163:30033
[ 58.463497][ T5081] cgroup: Unknown subsys name 'net'
[ 58.791718][ T5081] cgroup: Unknown subsys name 'rlimit'
[ 59.910520][ T5096] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
2024/06/17 17:04:10 starting 5 executor processes
[ 68.117921][ T2483]
[ 68.120463][ T2483] =============================
[ 68.125320][ T2483] WARNING: suspicious RCU usage
[ 68.130211][ T2483] 6.10.0-rc4-syzkaller #0 Not tainted
[ 68.135586][ T2483] -----------------------------
[ 68.140491][ T2483] net/netfilter/ipset/ip_set_core.c:1200 suspicious rcu_dereference_protected() usage!
[ 68.150151][ T2483]
[ 68.150151][ T2483] other info that might help us debug this:
[ 68.150151][ T2483]
[ 68.160682][ T2483]
2024/06/17 17:04:14 SYZFATAL: failed to recv *flatrpc.HostMessageRaw: EOF
[ 68.160682][ T2483] rcu_scheduler_active = 2, debug_locks = 1
[ 68.169084][ T2483] 3 locks held by kworker/u8:10/2483:
[ 68.174480][ T2483] #0: ffff888015ed3148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 68.185862][ T2483] #1: ffffc9000952fd00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 68.196821][ T2483] #2: ffffffff8f5c95d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0
[ 68.206303][ T2483]
[ 68.206303][ T2483] stack backtrace:
[ 68.212453][ T2483] CPU: 0 PID: 2483 Comm: kworker/u8:10 Not tainted 6.10.0-rc4-syzkaller #0
[ 68.221061][ T2483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 68.231131][ T2483] Workqueue: netns cleanup_net
[ 68.235912][ T2483] Call Trace:
[ 68.239179][ T2483]
[ 68.242099][ T2483] dump_stack_lvl+0x241/0x360
[ 68.246773][ T2483] ? __pfx_dump_stack_lvl+0x10/0x10
[ 68.251960][ T2483] ? __pfx__printk+0x10/0x10
[ 68.256548][ T2483] lockdep_rcu_suspicious+0x221/0x340
[ 68.261912][ T2483] _destroy_all_sets+0x232/0x5f0
[ 68.266856][ T2483] ip_set_net_exit+0x20/0x50
[ 68.271442][ T2483] cleanup_net+0x802/0xcc0
[ 68.275855][ T2483] ? __pfx_cleanup_net+0x10/0x10
[ 68.280797][ T2483] ? process_scheduled_works+0x945/0x1830
[ 68.286507][ T2483] process_scheduled_works+0xa2c/0x1830
[ 68.292066][ T2483] ? __pfx_process_scheduled_works+0x10/0x10
[ 68.298057][ T2483] ? assign_work+0x364/0x3d0
[ 68.302656][ T2483] worker_thread+0x86d/0xd70
[ 68.307253][ T2483] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 68.313167][ T2483] ? __kthread_parkme+0x169/0x1d0
[ 68.318206][ T2483] ? __pfx_worker_thread+0x10/0x10
[ 68.323321][ T2483] kthread+0x2f0/0x390
[ 68.327387][ T2483] ? __pfx_worker_thread+0x10/0x10
[ 68.332495][ T2483] ? __pfx_kthread+0x10/0x10
[ 68.337081][ T2483] ret_from_fork+0x4b/0x80
[ 68.341489][ T2483] ? __pfx_kthread+0x10/0x10
[ 68.346076][ T2483] ret_from_fork_asm+0x1a/0x30
[ 68.350848][ T2483]
[ 68.360109][ T2483]
[ 68.362481][ T2483] =============================
[ 68.367802][ T2483] WARNING: suspicious RCU usage
[ 68.372678][ T2483] 6.10.0-rc4-syzkaller #0 Not tainted
[ 68.378129][ T2483] -----------------------------
[ 68.382992][ T2483] net/netfilter/ipset/ip_set_core.c:1211 suspicious rcu_dereference_protected() usage!
[ 68.392682][ T2483]
[ 68.392682][ T2483] other info that might help us debug this:
[ 68.392682][ T2483]
[ 68.402995][ T2483]
[ 68.402995][ T2483] rcu_scheduler_active = 2, debug_locks = 1
[ 68.411130][ T2483] 3 locks held by kworker/u8:10/2483:
[ 68.416552][ T2483] #0: ffff888015ed3148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830
[ 68.427540][ T2483] #1: ffffc9000952fd00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830
[ 68.438188][ T2483] #2: ffffffff8f5c95d0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0
[ 68.447693][ T2483]
[ 68.447693][ T2483] stack backtrace:
[ 68.453599][ T2483] CPU: 0 PID: 2483 Comm: kworker/u8:10 Not tainted 6.10.0-rc4-syzkaller #0
[ 68.462205][ T2483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024
[ 68.472276][ T2483] Workqueue: netns cleanup_net
[ 68.477082][ T2483] Call Trace:
[ 68.480391][ T2483]
[ 68.483328][ T2483] dump_stack_lvl+0x241/0x360
[ 68.488040][ T2483] ? __pfx_dump_stack_lvl+0x10/0x10
[ 68.493264][ T2483] ? __pfx__printk+0x10/0x10
[ 68.497888][ T2483] lockdep_rcu_suspicious+0x221/0x340
[ 68.503288][ T2483] _destroy_all_sets+0x53f/0x5f0
[ 68.508254][ T2483] ip_set_net_exit+0x20/0x50
[ 68.512869][ T2483] cleanup_net+0x802/0xcc0
[ 68.517320][ T2483] ? __pfx_cleanup_net+0x10/0x10
[ 68.522295][ T2483] ? process_scheduled_works+0x945/0x1830
[ 68.528031][ T2483] process_scheduled_works+0xa2c/0x1830
[ 68.533625][ T2483] ? __pfx_process_scheduled_works+0x10/0x10
[ 68.539635][ T2483] ? assign_work+0x364/0x3d0
[ 68.544255][ T2483] worker_thread+0x86d/0xd70
[ 68.548880][ T2483] ? _raw_spin_unlock_irqrestore+0xdd/0x140
[ 68.554805][ T2483] ? __kthread_parkme+0x169/0x1d0
[ 68.559857][ T2483] ? __pfx_worker_thread+0x10/0x10
[ 68.564986][ T2483] kthread+0x2f0/0x390
[ 68.569078][ T2483] ? __pfx_worker_thread+0x10/0x10
[ 68.574200][ T2483] ? __pfx_kthread+0x10/0x10
[ 68.578808][ T2483] ret_from_fork+0x4b/0x80
[ 68.583249][ T2483] ? __pfx_kthread+0x10/0x10
[ 68.587864][ T2483] ret_from_fork_asm+0x1a/0x30
[ 68.592669][ T2483]