last executing test programs: 615.999964ms ago: executing program 3: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/bifrost', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/bifrost', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/bifrost', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/bifrost', 0x800, 0x0) 586.481878ms ago: executing program 3: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/adsp1', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/adsp1', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/adsp1', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/adsp1', 0x800, 0x0) 384.25936ms ago: executing program 2: openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/status', 0x0, 0x0) 370.236992ms ago: executing program 4: clock_gettime(0x0, &(0x7f0000000000)) 361.427844ms ago: executing program 2: lchown(&(0x7f0000000000), 0x0, 0x0) 335.948828ms ago: executing program 4: openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/kernel/debug/damon/monitor_on', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/sys/kernel/debug/damon/monitor_on', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/sys/kernel/debug/damon/monitor_on', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/sys/kernel/debug/damon/monitor_on', 0x800, 0x0) 332.637388ms ago: executing program 2: 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) 309.137772ms ago: executing program 4: io_uring_enter(0xffffffffffffffff, 0x0, 0x0, 0x0, &(0x7f0000000000), 0x0) 289.016885ms ago: executing program 2: utimensat(0xffffffffffffffff, &(0x7f0000000000), &(0x7f0000000000), 0x0) 286.075056ms ago: executing program 4: openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/reclaim', 0x1, 0x0) 254.481881ms ago: executing program 2: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vsock', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vsock', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vsock', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vsock', 0x800, 0x0) 249.828661ms ago: executing program 4: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/virtual_nci', 0x2, 0x0) 233.690754ms ago: executing program 1: openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/sys/net/ipv4/tcp_rmem', 0x1, 0x0) 209.056777ms ago: executing program 1: pselect6(0x0, &(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000), &(0x7f0000000000)) 188.093511ms ago: executing program 2: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/audio1', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/audio1', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/audio1', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/audio1', 0x800, 0x0) 173.375643ms ago: executing program 1: openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/self/attr/current', 0x2, 0x0) 156.280866ms ago: executing program 4: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ttynull', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ttynull', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ttynull', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ttynull', 0x800, 0x0) 154.504326ms ago: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000040)='/sys/fs/smackfs/change-rule', 0x2, 0x0) 130.09479ms ago: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000040)='/proc/thread-self', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/proc/thread-self', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/proc/thread-self', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/proc/thread-self', 0x800, 0x0) 119.220562ms ago: executing program 3: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vcsa', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vcsa', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vcsa', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vcsa', 0x800, 0x0) 106.194273ms ago: executing program 1: stat(&(0x7f0000000000), &(0x7f0000000000)) 104.535434ms ago: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/ptmx', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/ptmx', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ptmx', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/ptmx', 0x800, 0x0) 99.404535ms ago: executing program 3: syncfs(0xffffffffffffffff) 55.973871ms ago: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/mali0', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/mali0', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/mali0', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/mali0', 0x800, 0x0) 55.405121ms ago: executing program 3: openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/context', 0x2, 0x0) 54.987662ms ago: executing program 1: openat(0xffffffffffffff9c, &(0x7f0000000040)='/selinux/commit_pending_bools', 0x1, 0x0) 30.517745ms ago: executing program 1: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/video36', 0x2, 0x0) 25.411016ms ago: executing program 0: fchown(0xffffffffffffffff, 0x0, 0x0) 10.184219ms ago: executing program 3: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/vcs', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/vcs', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/vcs', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/vcs', 0x800, 0x0) 0s ago: executing program 0: openat(0xffffffffffffff9c, &(0x7f0000000040)='/dev/cdrom', 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000080)='/dev/cdrom', 0x1, 0x0) openat(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/cdrom', 0x2, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='/dev/cdrom', 0x800, 0x0) kernel console output (not intermixed with test programs): Warning: Permanently added '10.128.0.142' (ED25519) to the list of known hosts. 2024/06/18 15:17:04 fuzzer started 2024/06/18 15:17:04 dialing manager at 10.128.0.163:30033 [ 57.148117][ T5076] cgroup: Unknown subsys name 'net' [ 57.399082][ T5076] cgroup: Unknown subsys name 'rlimit' [ 58.544640][ T5099] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k 2024/06/18 15:17:11 starting 5 executor processes [ 67.059847][ T51] [ 67.062303][ T51] ============================= [ 67.067328][ T51] WARNING: suspicious RCU usage [ 67.072198][ T51] 6.10.0-rc4-syzkaller-00035-g3d54351c64e8 #0 Not tainted [ 67.079595][ T51] ----------------------------- [ 67.084531][ T51] net/netfilter/ipset/ip_set_core.c:1200 suspicious rcu_dereference_protected() usage! [ 67.094325][ T51] [ 67.094325][ T51] other info that might help us debug this: [ 67.094325][ T51] [ 67.104838][ T51] [ 67.104838][ T51] rcu_scheduler_active = 2, debug_locks = 1 [ 67.113207][ T51] 3 locks held by kworker/u8:3/51: [ 67.118492][ T51] #0: ffff888015ed3148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 67.130173][ T51] #1: ffffc90000bb7d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 67.141133][ T51] #2: ffffffff8f5c9290 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 [ 67.150710][ T51] [ 67.150710][ T51] stack backtrace: [ 67.157111][ T51] CPU: 0 PID: 51 Comm: kworker/u8:3 Not tainted 6.10.0-rc4-syzkaller-00035-g3d54351c64e8 #0 [ 67.167203][ T51] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 67.177282][ T51] Workqueue: netns cleanup_net [ 67.182395][ T51] Call Trace: [ 67.185790][ T51] [ 67.188857][ T51] dump_stack_lvl+0x241/0x360 [ 67.193587][ T51] ? __pfx_dump_stack_lvl+0x10/0x10 [ 67.198806][ T51] ? __pfx__printk+0x10/0x10 [ 67.203405][ T51] lockdep_rcu_suspicious+0x221/0x340 [ 67.208776][ T51] _destroy_all_sets+0x232/0x5f0 [ 67.213802][ T51] ip_set_net_exit+0x20/0x50 [ 67.218395][ T51] cleanup_net+0x802/0xcc0 [ 67.222822][ T51] ? __pfx_cleanup_net+0x10/0x10 [ 67.227800][ T51] ? process_scheduled_works+0x945/0x1830 [ 67.233721][ T51] process_scheduled_works+0xa2c/0x1830 [ 67.239369][ T51] ? __pfx_process_scheduled_works+0x10/0x10 [ 67.245352][ T51] ? assign_work+0x364/0x3d0 [ 67.249984][ T51] worker_thread+0x86d/0xd70 [ 67.254683][ T51] ? __kthread_parkme+0x169/0x1d0 2024/06/18 15:17:14 SYZFATAL: failed to recv *flatrpc.HostMessageRaw: EOF [ 67.259834][ T51] ? __pfx_worker_thread+0x10/0x10 [ 67.264966][ T51] kthread+0x2f0/0x390 [ 67.269098][ T51] ? __pfx_worker_thread+0x10/0x10 [ 67.274498][ T51] ? __pfx_kthread+0x10/0x10 [ 67.279122][ T51] ret_from_fork+0x4b/0x80 [ 67.283546][ T51] ? __pfx_kthread+0x10/0x10 [ 67.288133][ T51] ret_from_fork_asm+0x1a/0x30 [ 67.292996][ T51] [ 67.352630][ T51] [ 67.355278][ T51] ============================= [ 67.360155][ T51] WARNING: suspicious RCU usage [ 67.365157][ T51] 6.10.0-rc4-syzkaller-00035-g3d54351c64e8 #0 Not tainted [ 67.372369][ T51] ----------------------------- [ 67.377536][ T51] net/netfilter/ipset/ip_set_core.c:1211 suspicious rcu_dereference_protected() usage! [ 67.387525][ T51] [ 67.387525][ T51] other info that might help us debug this: [ 67.387525][ T51] [ 67.398479][ T51] [ 67.398479][ T51] rcu_scheduler_active = 2, debug_locks = 1 [ 67.406700][ T51] 3 locks held by kworker/u8:3/51: [ 67.411834][ T51] #0: ffff888015ed3148 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x90a/0x1830 [ 67.423105][ T51] #1: ffffc90000bb7d00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x945/0x1830 [ 67.434041][ T51] #2: ffffffff8f5c9290 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 [ 67.443509][ T51] [ 67.443509][ T51] stack backtrace: [ 67.449462][ T51] CPU: 1 PID: 51 Comm: kworker/u8:3 Not tainted 6.10.0-rc4-syzkaller-00035-g3d54351c64e8 #0 [ 67.459555][ T51] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 [ 67.469715][ T51] Workqueue: netns cleanup_net [ 67.474516][ T51] Call Trace: [ 67.477797][ T51] [ 67.480819][ T51] dump_stack_lvl+0x241/0x360 [ 67.485510][ T51] ? __pfx_dump_stack_lvl+0x10/0x10 [ 67.491230][ T51] ? __pfx__printk+0x10/0x10 [ 67.495932][ T51] lockdep_rcu_suspicious+0x221/0x340 [ 67.501344][ T51] _destroy_all_sets+0x53f/0x5f0 [ 67.506368][ T51] ip_set_net_exit+0x20/0x50 [ 67.511053][ T51] cleanup_net+0x802/0xcc0 [ 67.515480][ T51] ? __pfx_cleanup_net+0x10/0x10 [ 67.520713][ T51] ? process_scheduled_works+0x945/0x1830 [ 67.526558][ T51] process_scheduled_works+0xa2c/0x1830 [ 67.532170][ T51] ? __pfx_process_scheduled_works+0x10/0x10 [ 67.538181][ T51] ? assign_work+0x364/0x3d0 [ 67.542982][ T51] worker_thread+0x86d/0xd70 [ 67.547622][ T51] ? __kthread_parkme+0x169/0x1d0 [ 67.552653][ T51] ? __pfx_worker_thread+0x10/0x10 [ 67.557763][ T51] kthread+0x2f0/0x390 [ 67.561826][ T51] ? __pfx_worker_thread+0x10/0x10 [ 67.566946][ T51] ? __pfx_kthread+0x10/0x10 [ 67.571527][ T51] ret_from_fork+0x4b/0x80 [ 67.575943][ T51] ? __pfx_kthread+0x10/0x10 [ 67.580889][ T51] ret_from_fork_asm+0x1a/0x30 [ 67.585721][ T51]