Warning: Permanently added '10.128.1.55' (ECDSA) to the list of known hosts. executing program [ 74.515615][ T9166] [ 74.518003][ T9166] ================================ [ 74.523196][ T9166] WARNING: inconsistent lock state [ 74.529117][ T9166] 5.2.0-rc1+ #1 Not tainted [ 74.533778][ T9166] -------------------------------- [ 74.539198][ T9166] inconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage. [ 74.546121][ T9166] syz-executor466/9166 [HC0[0]:SC0[0]:HE1:SE1] takes: [ 74.552916][ T9166] 00000000d797836f (&(&crng->lock)->rlock){+.?.}, at: rhashtable_walk_enter+0xf9/0x390 [ 74.562686][ T9166] {IN-SOFTIRQ-W} state was registered at: [ 74.568519][ T9166] lock_acquire+0x16f/0x3f0 [ 74.573371][ T9166] _raw_spin_lock_irqsave+0x95/0xcd [ 74.578748][ T9166] _extract_crng+0xd8/0x270 [ 74.583336][ T9166] extract_crng+0x5f/0x80 [ 74.587804][ T9166] _get_random_bytes+0x168/0x400 [ 74.593002][ T9166] get_random_bytes+0x35/0x40 [ 74.597761][ T9166] __prandom_timer+0x68/0x110 [ 74.602521][ T9166] call_timer_fn+0x193/0x720 [ 74.607181][ T9166] run_timer_softirq+0x66f/0x1740 [ 74.612282][ T9166] __do_softirq+0x25c/0x94c [ 74.616979][ T9166] irq_exit+0x180/0x1d0 [ 74.621218][ T9166] smp_apic_timer_interrupt+0x13b/0x550 [ 74.626987][ T9166] apic_timer_interrupt+0xf/0x20 [ 74.632014][ T9166] _raw_spin_unlock_irqrestore+0x95/0xe0 [ 74.637737][ T9166] __debug_object_init+0x190/0xc30 [ 74.642934][ T9166] debug_object_activate+0x2b1/0x4e0 [ 74.648299][ T9166] __call_rcu.constprop.0+0x32/0x720 [ 74.653670][ T9166] call_rcu+0xb/0x10 [ 74.657713][ T9166] security_inode_free+0xa6/0xd0 [ 74.663151][ T9166] __destroy_inode+0x260/0x650 [ 74.668051][ T9166] destroy_inode+0x98/0x1c0 [ 74.672644][ T9166] evict+0x42e/0x680 [ 74.676618][ T9166] iput+0x52b/0x8d0 [ 74.680886][ T9166] dentry_unlink_inode+0x2d9/0x400 [ 74.686071][ T9166] __dentry_kill+0x38b/0x600 [ 74.690949][ T9166] dentry_kill+0xd7/0x5e0 [ 74.695361][ T9166] shrink_dentry_list+0x2ca/0x720 [ 74.700470][ T9166] shrink_dcache_sb+0x185/0x270 [ 74.705400][ T9166] reconfigure_super+0x27e/0x920 [ 74.710413][ T9166] do_mount+0x15fb/0x1c00 [ 74.714826][ T9166] ksys_mount+0xdb/0x150 [ 74.719163][ T9166] __x64_sys_mount+0xbe/0x150 [ 74.723968][ T9166] do_syscall_64+0xfd/0x680 [ 74.728603][ T9166] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 74.734567][ T9166] irq event stamp: 10455 [ 74.739034][ T9166] hardirqs last enabled at (10455): [] _raw_spin_unlock_irqrestore+0x6b/0xe0 [ 74.749661][ T9166] hardirqs last disabled at (10454): [] _raw_spin_lock_irqsave+0x6f/0xcd [ 74.761568][ T9166] softirqs last enabled at (10444): [] release_sock+0x156/0x1c0 [ 74.771071][ T9166] softirqs last disabled at (10442): [] release_sock+0x20/0x1c0 [ 74.780351][ T9166] [ 74.780351][ T9166] other info that might help us debug this: [ 74.788419][ T9166] Possible unsafe locking scenario: [ 74.788419][ T9166] [ 74.795981][ T9166] CPU0 [ 74.799247][ T9166] ---- [ 74.802681][ T9166] lock(&(&crng->lock)->rlock); [ 74.807612][ T9166] [ 74.811052][ T9166] lock(&(&crng->lock)->rlock); [ 74.816293][ T9166] [ 74.816293][ T9166] *** DEADLOCK *** [ 74.816293][ T9166] [ 74.824678][ T9166] 3 locks held by syz-executor466/9166: [ 74.830214][ T9166] #0: 00000000e426c751 (sock_diag_mutex){+.+.}, at: sock_diag_rcv+0x1c/0x40 [ 74.839292][ T9166] #1: 0000000007ed3648 (sock_diag_table_mutex){+.+.}, at: sock_diag_rcv_msg+0x19d/0x410 [ 74.849228][ T9166] #2: 000000007bc38978 (nlk_cb_mutex-SOCK_DIAG){+.+.}, at: __netlink_dump_start+0x10c/0x7d0 [ 74.859433][ T9166] [ 74.859433][ T9166] stack backtrace: [ 74.865589][ T9166] CPU: 0 PID: 9166 Comm: syz-executor466 Not tainted 5.2.0-rc1+ #1 [ 74.873479][ T9166] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 74.883534][ T9166] Call Trace: [ 74.886824][ T9166] dump_stack+0x172/0x1f0 [ 74.891349][ T9166] print_usage_bug.cold+0x393/0x4a2 [ 74.896641][ T9166] mark_lock+0xd46/0x1370 [ 74.900954][ T9166] ? save_stack+0x5c/0x90 [ 74.905320][ T9166] ? print_shortest_lock_dependencies+0x90/0x90 [ 74.911618][ T9166] __lock_acquire+0x12df/0x5490 [ 74.916470][ T9166] ? sock_diag_rcv+0x2b/0x40 [ 74.921212][ T9166] ? netlink_unicast+0x531/0x710 [ 74.926137][ T9166] ? netlink_sendmsg+0x8ae/0xd70 [ 74.931068][ T9166] ? sock_sendmsg+0xd7/0x130 [ 74.935705][ T9166] ? ___sys_sendmsg+0x803/0x920 [ 74.940606][ T9166] ? __sys_sendmsg+0x105/0x1d0 [ 74.945497][ T9166] ? __x64_sys_sendmsg+0x78/0xb0 [ 74.950432][ T9166] ? do_syscall_64+0xfd/0x680 [ 74.955211][ T9166] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 74.961351][ T9166] ? mark_held_locks+0xf0/0xf0 [ 74.966133][ T9166] ? fs_reclaim_acquire.part.0+0x30/0x30 [ 74.972157][ T9166] ? find_held_lock+0x35/0x130 [ 74.976913][ T9166] ? fs_reclaim_acquire.part.0+0x30/0x30 [ 74.982781][ T9166] lock_acquire+0x16f/0x3f0 [ 74.987376][ T9166] ? rhashtable_walk_enter+0xf9/0x390 [ 74.992847][ T9166] _raw_spin_lock+0x2f/0x40 [ 74.997345][ T9166] ? rhashtable_walk_enter+0xf9/0x390 [ 75.002833][ T9166] rhashtable_walk_enter+0xf9/0x390 [ 75.008034][ T9166] __tipc_dump_start+0x1fa/0x3c0 [ 75.013154][ T9166] tipc_dump_start+0x70/0x90 [ 75.017925][ T9166] __netlink_dump_start+0x4f8/0x7d0 [ 75.023126][ T9166] ? __tipc_dump_start+0x3c0/0x3c0 [ 75.028264][ T9166] tipc_sock_diag_handler_dump+0x1d9/0x270 [ 75.034082][ T9166] ? __tipc_diag_gen_cookie+0x90/0x90 [ 75.039460][ T9166] ? sock_diag_rcv+0x1c/0x40 [ 75.044057][ T9166] ? __tipc_dump_start+0x3c0/0x3c0 [ 75.049164][ T9166] ? tipc_unregister_sysctl+0x20/0x20 [ 75.054583][ T9166] ? tipc_ioctl+0x2e0/0x2e0 [ 75.059090][ T9166] sock_diag_rcv_msg+0x319/0x410 [ 75.064032][ T9166] netlink_rcv_skb+0x177/0x450 [ 75.068892][ T9166] ? sock_diag_bind+0x80/0x80 [ 75.073568][ T9166] ? netlink_ack+0xb50/0xb50 [ 75.078161][ T9166] ? kasan_check_read+0x11/0x20 [ 75.083011][ T9166] ? netlink_deliver_tap+0x254/0xbf0 [ 75.088288][ T9166] sock_diag_rcv+0x2b/0x40 [ 75.092705][ T9166] netlink_unicast+0x531/0x710 [ 75.097485][ T9166] ? netlink_attachskb+0x770/0x770 [ 75.102732][ T9166] ? _copy_from_iter_full+0x25d/0x8c0 [ 75.108112][ T9166] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 75.113845][ T9166] ? __check_object_size+0x3d/0x42f [ 75.119175][ T9166] netlink_sendmsg+0x8ae/0xd70 [ 75.123941][ T9166] ? netlink_unicast+0x710/0x710 [ 75.128875][ T9166] ? tomoyo_socket_sendmsg+0x26/0x30 [ 75.134155][ T9166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 75.140389][ T9166] ? security_socket_sendmsg+0x8d/0xc0 [ 75.145964][ T9166] ? netlink_unicast+0x710/0x710 [ 75.150906][ T9166] sock_sendmsg+0xd7/0x130 [ 75.155425][ T9166] ___sys_sendmsg+0x803/0x920 [ 75.160301][ T9166] ? copy_msghdr_from_user+0x430/0x430 [ 75.165758][ T9166] ? prep_transhuge_page+0xa0/0xa0 [ 75.170912][ T9166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 75.177149][ T9166] ? __handle_mm_fault+0x7cb/0x3eb0 [ 75.182461][ T9166] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 75.188708][ T9166] ? __fget_light+0x1a9/0x230 [ 75.193389][ T9166] ? __fdget+0x1b/0x20 [ 75.197461][ T9166] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 75.203703][ T9166] __sys_sendmsg+0x105/0x1d0 [ 75.208298][ T9166] ? __ia32_sys_shutdown+0x80/0x80 [ 75.213419][ T9166] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 75.219265][ T9166] ? do_syscall_64+0x26/0x680 [ 75.223945][ T9166] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 75.230087][ T9166] ? do_syscall_64+0x26/0x680 [ 75.234768][ T9166] __x64_sys_sendmsg+0x78/0xb0 [ 75.239532][ T9166] do_syscall_64+0xfd/0x680 [ 75.244120][ T9166] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 75.250096][ T9166] RIP: 0033:0x440219 [ 75.253993][ T9166] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 0f 83 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 75.273848][ T9166] RSP: 002b:00007ffd34aa7b58 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 75.282263][ T9166] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440219 [ 75.290256][ T9166] RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000000003 [ 75.298231][ T9166] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 75.306300][ T9166] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401aa0 [ 75.314281][ T9166] R13: 0000000000401b30 R14: 0000000000000000 R15: 0000000000000000