[ 18.859040][ C2] [ 18.859246][ C2] ================================ [ 18.859461][ C2] WARNING: inconsistent lock state [ 18.859670][ C2] 6.15.0-virtme #1 Not tainted [ 18.859880][ C2] -------------------------------- [ 18.860092][ C2] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 18.860350][ C2] ksft_runner.sh/266 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 18.860612][ C2] ffffffff9a78d218 (&xa->xa_lock#8){+.?.}-{3:3}, at: xa_set_mark+0x73/0x120 [ 18.860983][ C2] {SOFTIRQ-ON-W} state was registered at: [ 18.861190][ C2] __lock_acquire+0x20b/0x7e0 [ 18.861409][ C2] lock_acquire.part.0+0xb6/0x240 [ 18.861620][ C2] _raw_spin_lock+0x33/0x40 [ 18.861831][ C2] xa_store+0x1c/0x50 [ 18.861990][ C2] ref_tracker_dir_debugfs+0x168/0x1b0 [ 18.862203][ C2] init_net_debugfs+0x15/0x70 [ 18.862416][ C2] do_one_initcall+0x8c/0x1e0 [ 18.862632][ C2] do_initcalls+0x176/0x280 [ 18.862842][ C2] kernel_init_freeable+0x22d/0x300 [ 18.863051][ C2] kernel_init+0x20/0x200 [ 18.863262][ C2] ret_from_fork+0x240/0x320 [ 18.863474][ C2] ret_from_fork_asm+0x1a/0x30 [ 18.863681][ C2] irq event stamp: 5264 [ 18.863840][ C2] hardirqs last enabled at (5264): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 18.864259][ C2] hardirqs last disabled at (5263): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 18.864626][ C2] softirqs last enabled at (4292): [] handle_softirqs+0x358/0x620 [ 18.864994][ C2] softirqs last disabled at (4709): [] __irq_exit_rcu+0xfa/0x160 [ 18.865355][ C2] [ 18.865355][ C2] other info that might help us debug this: [ 18.865664][ C2] Possible unsafe locking scenario: [ 18.865664][ C2] [ 18.865970][ C2] CPU0 [ 18.866130][ C2] ---- [ 18.866284][ C2] lock(&xa->xa_lock#8); [ 18.866444][ C2] [ 18.866600][ C2] lock(&xa->xa_lock#8); [ 18.866807][ C2] [ 18.866807][ C2] *** DEADLOCK *** [ 18.866807][ C2] [ 18.867113][ C2] 4 locks held by ksft_runner.sh/266: [ 18.867325][ C2] #0: ffff888005215678 (&sig->cred_guard_mutex){+.+.}-{4:4}, at: bprm_execve+0x4f/0x490 [ 18.867700][ C2] #1: ffffffff97f81e90 (remove_cache_srcu){.+.+}-{0:0}, at: kasan_quarantine_reduce+0x88/0x1e0 [ 18.868119][ C2] #2: ffffffff97d794e0 (rcu_read_lock){....}-{1:3}, at: unwind_next_frame+0x147/0x1e10 [ 18.868487][ C2] #3: ffffffff97d793c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x2e4/0xf20 [ 18.868855][ C2] [ 18.868855][ C2] stack backtrace: [ 18.869116][ C2] CPU: 2 UID: 0 PID: 266 Comm: ksft_runner.sh Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 18.869121][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 18.869123][ C2] Call Trace: [ 18.869125][ C2] [ 18.869126][ C2] dump_stack_lvl+0x82/0xd0 [ 18.869132][ C2] print_usage_bug.part.0+0x25f/0x360 [ 18.869137][ C2] mark_lock_irq+0x343/0x400 [ 18.869144][ C2] mark_lock+0x174/0x2f0 [ 18.869148][ C2] mark_usage+0x46/0x150 [ 18.869152][ C2] __lock_acquire+0x20b/0x7e0 [ 18.869155][ C2] ? unwind_next_frame+0x4f8/0x1e10 [ 18.869159][ C2] ? qlist_free_all+0x4c/0x120 [ 18.869162][ C2] lock_acquire.part.0+0xb6/0x240 [ 18.869166][ C2] ? xa_set_mark+0x73/0x120 [ 18.869169][ C2] ? rcu_is_watching+0x12/0xc0 [ 18.869174][ C2] ? lock_acquire+0x10c/0x170 [ 18.869177][ C2] ? xa_set_mark+0x73/0x120 [ 18.869181][ C2] _raw_spin_lock+0x33/0x40 [ 18.869184][ C2] ? xa_set_mark+0x73/0x120 [ 18.869187][ C2] xa_set_mark+0x73/0x120 [ 18.869189][ C2] ? __pfx_xa_set_mark+0x10/0x10 [ 18.869192][ C2] ? __lock_acquire+0x44d/0x7e0 [ 18.869197][ C2] ? find_held_lock+0x2b/0x80 [ 18.869202][ C2] ref_tracker_dir_exit+0xb2/0x740 [ 18.869205][ C2] ? mark_held_locks+0x49/0x80 [ 18.869209][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 18.869212][ C2] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 18.869216][ C2] ? ref_tracker_free+0x35d/0x900 [ 18.869219][ C2] ? __lock_acquire+0x44d/0x7e0 [ 18.869223][ C2] ? __pfx_ref_tracker_free+0x10/0x10 [ 18.869225][ C2] ? __sk_destruct+0x383/0x780 [ 18.869230][ C2] ? rcu_do_batch+0x34f/0xf20 [ 18.869233][ C2] ? rcu_core+0x2bb/0x500 [ 18.869235][ C2] ? handle_softirqs+0x21b/0x620 [ 18.869239][ C2] __put_net+0x83/0x140 [ 18.869244][ C2] ? set_track_prepare+0x30/0x70 [ 18.869248][ C2] ? __pfx___put_net+0x10/0x10 [ 18.869252][ C2] ? bpf_sk_storage_free+0x9f/0x1c0 [ 18.869257][ C2] __sk_destruct+0x58a/0x780 [ 18.869260][ C2] ? rcu_do_batch+0x34a/0xf20 [ 18.869263][ C2] rcu_do_batch+0x34f/0xf20 [ 18.869267][ C2] ? find_held_lock+0x2b/0x80 [ 18.869270][ C2] ? __pfx_rcu_do_batch+0x10/0x10 [ 18.869274][ C2] ? mark_held_locks+0x49/0x80 [ 18.869277][ C2] ? note_gp_changes+0x182/0x1e0 [ 18.869280][ C2] ? lockdep_hardirqs_on+0x7c/0x110 [ 18.869285][ C2] rcu_core+0x2bb/0x500 [ 18.869288][ C2] handle_softirqs+0x21b/0x620 [ 18.869294][ C2] __irq_exit_rcu+0xfa/0x160 [ 18.869297][ C2] irq_exit_rcu+0xe/0x30 [ 18.869300][ C2] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 18.869304][ C2] [ 18.869305][ C2] [ 18.869306][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 18.869311][ C2] RIP: 0010:lock_acquire.part.0+0xf2/0x240 [ 18.869315][ C2] Code: ff ff ff 65 0f c1 05 bd f0 15 05 83 f8 01 0f 85 3e 01 00 00 9c 58 f6 c4 02 0f 85 29 01 00 00 48 85 db 74 01 fb 48 8b 44 24 30 <65> 48 2b 05 ee af 15 05 0f 85 3a 01 00 00 48 83 c4 38 5b 5d 41 5c [ 18.869318][ C2] RSP: 0018:ffffc90000717720 EFLAGS: 00000206 [ 18.869321][ C2] RAX: d7c0ea2c23bf7c00 RBX: 0000000000000200 RCX: 0000000000000001 [ 18.869323][ C2] RDX: 0000000000000000 RSI: ffffffff9788de21 RDI: ffffffff9705a220 [ 18.869325][ C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000001 [ 18.869326][ C2] R10: 0000000000000000 R11: ffffffff97d794e0 R12: 0000000000000002 [ 18.869327][ C2] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff97d794e0 [ 18.869333][ C2] ? rcu_is_watching+0x12/0xc0 [ 18.869337][ C2] ? lock_acquire+0x10c/0x170 [ 18.869340][ C2] ? unwind_next_frame+0x147/0x1e10 [ 18.869344][ C2] unwind_next_frame+0x15b/0x1e10 [ 18.869347][ C2] ? unwind_next_frame+0x147/0x1e10 [ 18.869350][ C2] ? do_execveat_common.isra.0+0x3f5/0x550 [ 18.869354][ C2] ? __lock_release+0x5d/0x170 [ 18.869358][ C2] ? __pfx_unwind_next_frame+0x10/0x10 [ 18.869362][ C2] ? do_execveat_common.isra.0+0x3f5/0x550 [ 18.869365][ C2] ? kernel_text_address+0x17/0xe0 [ 18.869369][ C2] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 18.869374][ C2] arch_stack_walk+0x8b/0xf0 [ 18.869380][ C2] ? do_execveat_common.isra.0+0x3f5/0x550 [ 18.869385][ C2] stack_trace_save+0x93/0xd0 [ 18.869388][ C2] ? __pfx_stack_trace_save+0x10/0x10 [ 18.869390][ C2] ? check_bytes_and_report+0x6d/0x150 [ 18.869396][ C2] ? check_object+0x164/0x3a0 [ 18.869400][ C2] set_track_prepare+0x30/0x70 [ 18.869402][ C2] ? kasan_quarantine_reduce+0x195/0x1e0 [ 18.869405][ C2] ? __kasan_slab_alloc+0x49/0x70 [ 18.869408][ C2] ? __kmalloc_noprof+0x18d/0x470 [ 18.869411][ C2] ? load_elf_phdrs+0xd8/0x1a0 [ 18.869415][ C2] ? load_elf_binary+0x1003/0x2960 [ 18.869419][ C2] ? exec_binprm+0x258/0x640 [ 18.869422][ C2] ? bprm_execve+0x1af/0x490 [ 18.869425][ C2] ? do_execveat_common.isra.0+0x3f5/0x550 [ 18.869429][ C2] free_to_partial_list+0x1d8/0x340 [ 18.869432][ C2] ? qlist_free_all+0x47/0x120 [ 18.869436][ C2] qlist_free_all+0x4c/0x120 [ 18.869439][ C2] ? load_elf_phdrs+0xd8/0x1a0 [ 18.869442][ C2] kasan_quarantine_reduce+0x195/0x1e0 [ 18.869446][ C2] __kasan_slab_alloc+0x49/0x70 [ 18.869449][ C2] __kmalloc_noprof+0x18d/0x470 [ 18.869453][ C2] load_elf_phdrs+0xd8/0x1a0 [ 18.869456][ C2] ? __pfx_load_elf_phdrs+0x10/0x10 [ 18.869459][ C2] ? trace_kmalloc+0x2a/0xe0 [ 18.869463][ C2] ? __kmalloc_cache_noprof+0x15f/0x360 [ 18.869467][ C2] load_elf_binary+0x1003/0x2960 [ 18.869472][ C2] ? __lock_acquire+0x44d/0x7e0 [ 18.869477][ C2] ? find_held_lock+0x2b/0x80 [ 18.869480][ C2] ? __pfx_load_elf_binary+0x10/0x10 [ 18.869483][ C2] ? exec_binprm+0x237/0x640 [ 18.869489][ C2] exec_binprm+0x258/0x640 [ 18.869494][ C2] ? __pfx_exec_binprm+0x10/0x10 [ 18.869497][ C2] ? bprm_execve+0x93/0x490 [ 18.869503][ C2] bprm_execve+0x1af/0x490 [ 18.869506][ C2] do_execveat_common.isra.0+0x3f5/0x550 [ 18.869512][ C2] __x64_sys_execve+0x8e/0xb0 [ 18.869515][ C2] do_syscall_64+0xc1/0x380 [ 18.869519][ C2] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 18.869521][ C2] RIP: 0033:0x7fd398ee140b [ 18.869525][ C2] Code: c0 75 03 5f ff e7 c3 48 8b 0d f1 a9 1b 00 f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 80 00 00 00 00 f3 0f 1e fa b8 3b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d c5 a9 1b 00 f7 d8 64 89 01 48 [ 18.869527][ C2] RSP: 002b:00007ffeeea5ea18 EFLAGS: 00000246 ORIG_RAX: 000000000000003b [ 18.869530][ C2] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd398ee140b [ 18.869532][ C2] RDX: 000056155fea16a0 RSI: 000056155fe9f550 RDI: 000056155fec36e0 [ 18.869533][ C2] RBP: 000056155fec36e0 R08: 000056155fea0f50 R09: 0000000000000020 [ 18.869535][ C2] R10: 00000000000001b6 R11: 0000000000000246 R12: 00000000ffffffff [ 18.869536][ C2] R13: 000056155fe9f550 R14: 000056155fea16a0 R15: 000056155fe90650 [ 18.869542][ C2]