last executing test programs: 872.294993ms ago: executing program 1: socket$pptp(0x18, 0x1, 0x2) 796.299763ms ago: executing program 1: getsockopt(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000000), &(0x7f0000000000)) 289.427185ms ago: executing program 3: syz_open_dev$vim2m(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$vim2m(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$vim2m(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$vim2m(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$vim2m(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$vim2m(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$vim2m(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$vim2m(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$vim2m(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$vim2m(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$vim2m(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$vim2m(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$vim2m(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$vim2m(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$vim2m(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$vim2m(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$vim2m(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$vim2m(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$vim2m(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$vim2m(&(0x7f0000000500), 0x4, 0x800) 281.109452ms ago: executing program 4: accept4(0xffffffffffffffff, 0x0, &(0x7f0000000000), 0x0) 237.796264ms ago: executing program 4: fsetxattr(0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000000), 0x0, 0x0) 222.604343ms ago: executing program 3: syz_open_dev$media(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$media(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$media(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$media(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$media(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$media(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$media(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$media(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$media(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$media(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$media(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$media(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$media(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$media(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$media(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$media(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$media(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$media(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$media(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$media(&(0x7f0000000500), 0x4, 0x800) 210.743999ms ago: executing program 4: syz_open_dev$loop(&(0x7f0000000040), 0x0, 0x0) syz_open_dev$loop(&(0x7f0000000080), 0x0, 0x1) syz_open_dev$loop(&(0x7f00000000c0), 0x0, 0x2) syz_open_dev$loop(&(0x7f0000000100), 0x0, 0x800) syz_open_dev$loop(&(0x7f0000000140), 0x1, 0x0) syz_open_dev$loop(&(0x7f0000000180), 0x1, 0x1) syz_open_dev$loop(&(0x7f00000001c0), 0x1, 0x2) syz_open_dev$loop(&(0x7f0000000200), 0x1, 0x800) syz_open_dev$loop(&(0x7f0000000240), 0x2, 0x0) syz_open_dev$loop(&(0x7f0000000280), 0x2, 0x1) syz_open_dev$loop(&(0x7f00000002c0), 0x2, 0x2) syz_open_dev$loop(&(0x7f0000000300), 0x2, 0x800) syz_open_dev$loop(&(0x7f0000000340), 0x3, 0x0) syz_open_dev$loop(&(0x7f0000000380), 0x3, 0x1) syz_open_dev$loop(&(0x7f00000003c0), 0x3, 0x2) syz_open_dev$loop(&(0x7f0000000400), 0x3, 0x800) syz_open_dev$loop(&(0x7f0000000440), 0x4, 0x0) syz_open_dev$loop(&(0x7f0000000480), 0x4, 0x1) syz_open_dev$loop(&(0x7f00000004c0), 0x4, 0x2) syz_open_dev$loop(&(0x7f0000000500), 0x4, 0x800) 192.566208ms ago: executing program 1: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/raw-gadget', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/raw-gadget', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/raw-gadget', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/raw-gadget', 0x800, 0x0) 189.99163ms ago: executing program 2: setfsgid(0x0) 177.648586ms ago: executing program 3: pipe2(&(0x7f0000000000), 0x0) 173.726638ms ago: executing program 0: timer_create(0x0, &(0x7f0000000000), &(0x7f0000000000)) 164.369086ms ago: executing program 2: io_destroy(0x0) 163.792737ms ago: executing program 4: mknod(&(0x7f0000000000), 0x0, 0x0) 161.496799ms ago: executing program 0: futex_waitv(&(0x7f0000000000), 0x0, 0x0, &(0x7f0000000000), 0x0) 151.09197ms ago: executing program 0: fspick(0xffffffffffffffff, &(0x7f0000000000), 0x0) 141.258231ms ago: executing program 2: openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/attr/current', 0x2, 0x0) 119.851501ms ago: executing program 3: rmdir(&(0x7f0000000000)) 115.974301ms ago: executing program 4: ftruncate(0xffffffffffffffff, 0x0) 102.687905ms ago: executing program 3: lremovexattr(&(0x7f0000000000), &(0x7f0000000000)) 94.130621ms ago: executing program 0: mq_unlink(&(0x7f0000000000)) 90.210104ms ago: executing program 2: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/fuse', 0x2, 0x0) 60.425775ms ago: executing program 0: clone3(&(0x7f0000000000), 0x0) exit(0x0) 42.082694ms ago: executing program 2: io_cancel(0x0, &(0x7f0000000000), &(0x7f0000000000)) 41.557914ms ago: executing program 3: 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) 31.060584ms ago: executing program 4: unlinkat(0xffffffffffffffff, &(0x7f0000000000), 0x0) 24.586819ms ago: executing program 0: renameat2(0xffffffffffffffff, &(0x7f0000000000), 0xffffffffffffffff, &(0x7f0000000000), 0x0) 0s ago: executing program 2: mknodat(0xffffffffffffffff, &(0x7f0000000000), 0x0, 0x0) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.1.144' (ED25519) to the list of known hosts. 2024/06/19 07:54:55 fuzzer started 2024/06/19 07:54:55 dialing manager at 10.128.0.169:30001 [ 57.683173][ T5089] cgroup: Unknown subsys name 'net' [ 57.886817][ T5089] cgroup: Unknown subsys name 'rlimit' 2024/06/19 07:54:57 starting 5 executor processes [ 59.130453][ T5095] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 60.450061][ T2448] [ 60.452607][ T2448] ============================= [ 60.457480][ T2448] WARNING: suspicious RCU usage [ 60.462813][ T2448] 6.10.0-rc4-syzkaller-00045-g92e5605a199e #0 Not tainted [ 60.470097][ T2448] ----------------------------- [ 60.475057][ T2448] net/netfilter/ipset/ip_set_core.c:1200 suspicious rcu_dereference_protected() usage! [ 60.484801][ T2448] [ 60.484801][ T2448] other info that might help us debug this: [ 60.484801][ T2448] [ 60.495222][ T2448] 2024/06/19 07:54:59 SYZFATAL: failed to recv *flatrpc.HostMessageRaw: EOF [ 60.495222][ T2448] rcu_scheduler_active = 2, debug_locks = 1 [ 60.503653][ T2448] 3 locks held by kworker/u8:7/2448: [ 60.509043][ T2448] #0: ffff888015ed5948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 60.520502][ T2448] #1: ffffc90009457d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 60.531935][ T2448] #2: ffffffff8f5da110 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 [ 60.542725][ T2448] [ 60.542725][ T2448] stack backtrace: [ 60.549213][ T2448] CPU: 1 PID: 2448 Comm: kworker/u8:7 Not tainted 6.10.0-rc4-syzkaller-00045-g92e5605a199e #0 [ 60.559627][ T2448] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 60.569682][ T2448] Workqueue: netns cleanup_net [ 60.574474][ T2448] Call Trace: [ 60.577751][ T2448] [ 60.580735][ T2448] dump_stack_lvl+0x241/0x360 [ 60.585415][ T2448] ? __pfx_dump_stack_lvl+0x10/0x10 [ 60.590606][ T2448] ? __pfx__printk+0x10/0x10 [ 60.595195][ T2448] lockdep_rcu_suspicious+0x221/0x340 [ 60.600565][ T2448] _destroy_all_sets+0x232/0x5f0 [ 60.605499][ T2448] ip_set_net_exit+0x20/0x50 [ 60.610084][ T2448] cleanup_net+0x802/0xcc0 [ 60.614525][ T2448] ? __pfx_cleanup_net+0x10/0x10 [ 60.619690][ T2448] ? process_scheduled_works+0x945/0x1830 [ 60.625591][ T2448] process_scheduled_works+0xa2c/0x1830 [ 60.631160][ T2448] ? __pfx_process_scheduled_works+0x10/0x10 [ 60.637170][ T2448] ? assign_work+0x364/0x3d0 [ 60.641875][ T2448] worker_thread+0x86d/0xd70 [ 60.646646][ T2448] ? __kthread_parkme+0x169/0x1d0 [ 60.651671][ T2448] ? __pfx_worker_thread+0x10/0x10 [ 60.656864][ T2448] kthread+0x2f0/0x390 [ 60.660934][ T2448] ? __pfx_worker_thread+0x10/0x10 [ 60.666042][ T2448] ? __pfx_kthread+0x10/0x10 [ 60.670657][ T2448] ret_from_fork+0x4b/0x80 [ 60.675103][ T2448] ? __pfx_kthread+0x10/0x10 [ 60.679903][ T2448] ret_from_fork_asm+0x1a/0x30 [ 60.684726][ T2448] [ 60.822403][ T2448] [ 60.824799][ T2448] ============================= [ 60.829846][ T2448] WARNING: suspicious RCU usage [ 60.834798][ T2448] 6.10.0-rc4-syzkaller-00045-g92e5605a199e #0 Not tainted [ 60.842011][ T2448] ----------------------------- [ 60.846901][ T2448] net/netfilter/ipset/ip_set_core.c:1211 suspicious rcu_dereference_protected() usage! [ 60.856618][ T2448] [ 60.856618][ T2448] other info that might help us debug this: [ 60.856618][ T2448] [ 60.866968][ T2448] [ 60.866968][ T2448] rcu_scheduler_act