Warning: Permanently added '10.128.0.71' (ED25519) to the list of known hosts. executing program [ 47.448783][ T4020] [ 47.449416][ T4020] ============================= [ 47.450916][ T4020] WARNING: suspicious RCU usage [ 47.452168][ T4020] 5.15.177-syzkaller #0 Not tainted [ 47.453473][ T4020] ----------------------------- [ 47.455225][ T4020] include/linux/rhashtable.h:594 suspicious rcu_dereference_check() usage! [ 47.457412][ T4020] [ 47.457412][ T4020] other info that might help us debug this: [ 47.457412][ T4020] [ 47.460259][ T4020] [ 47.460259][ T4020] rcu_scheduler_active = 2, debug_locks = 1 [ 47.462264][ T4020] 1 lock held by syz-executor254/4020: [ 47.463578][ T4020] #0: ffff800016cb4b68 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c [ 47.465993][ T4020] [ 47.465993][ T4020] stack backtrace: [ 47.467501][ T4020] CPU: 0 PID: 4020 Comm: syz-executor254 Not tainted 5.15.177-syzkaller #0 [ 47.469591][ T4020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 47.472193][ T4020] Call trace: [ 47.472940][ T4020] dump_backtrace+0x0/0x530 [ 47.474078][ T4020] show_stack+0x2c/0x3c [ 47.475008][ T4020] dump_stack_lvl+0x108/0x170 [ 47.476058][ T4020] dump_stack+0x1c/0x58 [ 47.477134][ T4020] lockdep_rcu_suspicious+0x188/0x1e0 [ 47.478375][ T4020] rhltable_lookup+0x6a0/0x6a8 [ 47.479606][ T4020] mr_mfc_find_any_parent+0xe8/0x20c [ 47.480910][ T4020] ip_mr_forward+0x214/0xe10 [ 47.482042][ T4020] ipmr_mfc_add+0x1ea0/0x28a0 [ 47.483191][ T4020] ip_mroute_setsockopt+0xaf8/0xe94 [ 47.484558][ T4020] ip_setsockopt+0x618/0x32cc [ 47.485746][ T4020] raw_setsockopt+0x104/0x2b8 [ 47.486960][ T4020] sock_common_setsockopt+0xb0/0xcc [ 47.488230][ T4020] __sys_setsockopt+0x3a8/0x6b4 [ 47.489500][ T4020] __arm64_sys_setsockopt+0xb8/0xd4 [ 47.490901][ T4020] invoke_syscall+0x98/0x2b8 [ 47.492016][ T4020] el0_svc_common+0x138/0x258 [ 47.493155][ T4020] do_el0_svc+0x58/0x14c [ 47.494303][ T4020] el0_svc+0x7c/0x1f0 [ 47.495257][ T4020] el0t_64_sync_handler+0x84/0xe4 [ 47.496521][ T4020] el0t_64_sync+0x1a0/0x1a4 [ 47.498879][ T4020] [ 47.499439][ T4020] ============================= [ 47.500574][ T4020] WARNING: suspicious RCU usage [ 47.501756][ T4020] 5.15.177-syzkaller #0 Not tainted [ 47.503093][ T4020] ----------------------------- [ 47.504475][ T4020] include/linux/rhashtable.h:369 suspicious rcu_dereference_check() usage! [ 47.506712][ T4020] [ 47.506712][ T4020] other info that might help us debug this: [ 47.506712][ T4020] [ 47.509358][ T4020] [ 47.509358][ T4020] rcu_scheduler_active = 2, debug_locks = 1 [ 47.511481][ T4020] 1 lock held by syz-executor254/4020: [ 47.512770][ T4020] #0: ffff800016cb4b68 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c [ 47.515316][ T4020] [ 47.515316][ T4020] stack backtrace: [ 47.516841][ T4020] CPU: 0 PID: 4020 Comm: syz-executor254 Not tainted 5.15.177-syzkaller #0 [ 47.519078][ T4020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 47.521631][ T4020] Call trace: [ 47.522471][ T4020] dump_backtrace+0x0/0x530 [ 47.523599][ T4020] show_stack+0x2c/0x3c [ 47.524534][ T4020] dump_stack_lvl+0x108/0x170 [ 47.525755][ T4020] dump_stack+0x1c/0x58 [ 47.526793][ T4020] lockdep_rcu_suspicious+0x188/0x1e0 [ 47.528125][ T4020] rhltable_lookup+0x45c/0x6a8 [ 47.529348][ T4020] mr_mfc_find_any_parent+0xe8/0x20c [ 47.530674][ T4020] ip_mr_forward+0x214/0xe10 [ 47.531883][ T4020] ipmr_mfc_add+0x1ea0/0x28a0 [ 47.533113][ T4020] ip_mroute_setsockopt+0xaf8/0xe94 [ 47.534420][ T4020] ip_setsockopt+0x618/0x32cc [ 47.535671][ T4020] raw_setsockopt+0x104/0x2b8 [ 47.536768][ T4020] sock_common_setsockopt+0xb0/0xcc [ 47.538146][ T4020] __sys_setsockopt+0x3a8/0x6b4 [ 47.539235][ T4020] __arm64_sys_setsockopt+0xb8/0xd4 [ 47.540409][ T4020] invoke_syscall+0x98/0x2b8 [ 47.541483][ T4020] el0_svc_common+0x138/0x258 [ 47.542637][ T4020] do_el0_svc+0x58/0x14c [ 47.543734][ T4020] el0_svc+0x7c/0x1f0 [ 47.544749][ T4020] el0t_64_sync_handler+0x84/0xe4 [ 47.546103][ T4020] el0t_64_sync+0x1a0/0x1a4 [ 47.547357][ T4020] [ 47.547925][ T4020] ============================= [ 47.549149][ T4020] WARNING: suspicious RCU usage [ 47.550470][ T4020] 5.15.177-syzkaller #0 Not tainted [ 47.551683][ T4020] ----------------------------- [ 47.552965][ T4020] include/linux/rhashtable.h:614 suspicious rcu_dereference_check() usage! [ 47.555332][ T4020] [ 47.555332][ T4020] other info that might help us debug this: [ 47.555332][ T4020] [ 47.558038][ T4020] [ 47.558038][ T4020] rcu_scheduler_active = 2, debug_locks = 1 [ 47.559925][ T4020] 1 lock held by syz-executor254/4020: [ 47.561180][ T4020] #0: ffff800016cb4b68 (rtnl_mutex){+.+.}-{3:3}, at: rtnl_lock+0x20/0x2c [ 47.563265][ T4020] [ 47.563265][ T4020] stack backtrace: [ 47.564819][ T4020] CPU: 0 PID: 4020 Comm: syz-executor254 Not tainted 5.15.177-syzkaller #0 [ 47.566997][ T4020] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 47.569573][ T4020] Call trace: [ 47.570281][ T4020] dump_backtrace+0x0/0x530 [ 47.571339][ T4020] show_stack+0x2c/0x3c [ 47.572293][ T4020] dump_stack_lvl+0x108/0x170 [ 47.573431][ T4020] dump_stack+0x1c/0x58 [ 47.574377][ T4020] lockdep_rcu_suspicious+0x188/0x1e0 [ 47.575636][ T4020] rhltable_lookup+0x554/0x6a8 [ 47.577050][ T4020] mr_mfc_find_any_parent+0xe8/0x20c [ 47.578438][ T4020] ip_mr_forward+0x214/0xe10 [ 47.579615][ T4020] ipmr_mfc_add+0x1ea0/0x28a0 [ 47.580870][ T4020] ip_mroute_setsockopt+0xaf8/0xe94 [ 47.582231][ T4020] ip_setsockopt+0x618/0x32cc [ 47.583534][ T4020] raw_setsockopt+0x104/0x2b8 [ 47.584722][ T4020] sock_common_setsockopt+0xb0/0xcc [ 47.586147][ T4020] __sys_setsockopt+0x3a8/0x6b4 [ 47.587387][ T4020] __arm64_sys_setsockopt+0xb8/0xd4 [ 47.588651][ T4020] invoke_syscall+0x98/0x2b8 [ 47.589818][ T4020] el0_svc_common+0x138/0x258 [ 47.591090][ T4020] do_el0_svc+0x58/0x14c [ 47.592153][ T4020] el0_svc+0x7c/0x1f0 [ 47.593168][ T4020] el0t_64_sync_handler+0x84/0xe4 [ 47.594426][ T4020] el0t_64_sync+0x1a0/0x1a4