[ 12.861075][ C2] [ 12.861238][ C2] ================================ [ 12.861476][ C2] WARNING: inconsistent lock state [ 12.861707][ C2] 6.15.0-virtme #1 Not tainted [ 12.861943][ C2] -------------------------------- [ 12.862178][ C2] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 12.862464][ C2] kworker/u19:2/231 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 12.862754][ C2] ffffffffb8dc5af8 (pin_fs_lock){+.?.}-{3:3}, at: simple_pin_fs+0x24/0x150 [ 12.863171][ C2] {SOFTIRQ-ON-W} state was registered at: [ 12.863404][ C2] __lock_acquire+0x20b/0x7e0 [ 12.863644][ C2] lock_acquire.part.0+0xb6/0x240 [ 12.863875][ C2] _raw_spin_lock+0x33/0x40 [ 12.864124][ C2] simple_pin_fs+0x24/0x150 [ 12.864354][ C2] start_creating.part.0+0x52/0x310 [ 12.864617][ C2] debugfs_create_dir+0x6a/0x540 [ 12.864849][ C2] component_debug_init+0x17/0x30 [ 12.865087][ C2] do_one_initcall+0x8f/0x1e0 [ 12.865320][ C2] do_initcalls+0x176/0x280 [ 12.865554][ C2] kernel_init_freeable+0x22d/0x300 [ 12.865788][ C2] kernel_init+0x20/0x200 [ 12.866068][ C2] ret_from_fork+0x240/0x320 [ 12.866303][ C2] ret_from_fork_asm+0x1a/0x30 [ 12.866536][ C2] irq event stamp: 1144 [ 12.866712][ C2] hardirqs last enabled at (1144): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 12.867209][ C2] hardirqs last disabled at (1143): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 12.867639][ C2] softirqs last enabled at (500): [] handle_softirqs+0x358/0x620 [ 12.868051][ C2] softirqs last disabled at (693): [] __irq_exit_rcu+0xfa/0x160 [ 12.868467][ C2] [ 12.868467][ C2] other info that might help us debug this: [ 12.868830][ C2] Possible unsafe locking scenario: [ 12.868830][ C2] [ 12.869182][ C2] CPU0 [ 12.869358][ C2] ---- [ 12.869535][ C2] lock(pin_fs_lock); [ 12.869727][ C2] [ 12.869901][ C2] lock(pin_fs_lock); [ 12.870080][ C2] [ 12.870080][ C2] *** DEADLOCK *** [ 12.870080][ C2] [ 12.870427][ C2] 3 locks held by kworker/u19:2/231: [ 12.870668][ C2] #0: ffff88800a0d63f8 (&sig->cred_guard_mutex){+.+.}-{4:4}, at: bprm_execve+0x4f/0x490 [ 12.871081][ C2] #1: ffffffffb8b775e0 (rcu_read_lock){....}-{1:3}, at: unwind_next_frame+0x147/0x1e10 [ 12.871551][ C2] #2: ffffffffb8b774c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x2e4/0xf20 [ 12.871970][ C2] [ 12.871970][ C2] stack backtrace: [ 12.872265][ C2] CPU: 2 UID: 0 PID: 231 Comm: kworker/u19:2 Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 12.872270][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.872272][ C2] Call Trace: [ 12.872275][ C2] [ 12.872277][ C2] dump_stack_lvl+0x82/0xd0 [ 12.872287][ C2] print_usage_bug.part.0+0x25f/0x360 [ 12.872296][ C2] mark_lock_irq+0x343/0x400 [ 12.872301][ C2] ? __pfx_unwind_next_frame+0x10/0x10 [ 12.872304][ C2] ? save_trace+0x52/0x170 [ 12.872309][ C2] mark_lock+0x174/0x2f0 [ 12.872313][ C2] mark_usage+0x46/0x150 [ 12.872316][ C2] __lock_acquire+0x20b/0x7e0 [ 12.872320][ C2] ? __lock_acquire+0x44d/0x7e0 [ 12.872324][ C2] lock_acquire.part.0+0xb6/0x240 [ 12.872327][ C2] ? simple_pin_fs+0x24/0x150 [ 12.872332][ C2] ? rcu_is_watching+0x12/0xc0 [ 12.872338][ C2] ? lock_acquire+0x10c/0x170 [ 12.872341][ C2] ? simple_pin_fs+0x24/0x150 [ 12.872345][ C2] _raw_spin_lock+0x33/0x40 [ 12.872350][ C2] ? simple_pin_fs+0x24/0x150 [ 12.872352][ C2] simple_pin_fs+0x24/0x150 [ 12.872355][ C2] debugfs_remove+0x35/0x70 [ 12.872360][ C2] ref_tracker_dir_exit+0xcf/0x740 [ 12.872366][ C2] ? __pfx_ref_tracker_free+0x10/0x10 [ 12.872369][ C2] ? __sk_destruct+0x383/0x780 [ 12.872375][ C2] ? rcu_do_batch+0x34c/0xf20 [ 12.872379][ C2] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 12.872381][ C2] ? irq_exit_rcu+0xe/0x30 [ 12.872386][ C2] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 12.872391][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 12.872396][ C2] ? lock_release+0x36/0xc0 [ 12.872398][ C2] ? unwind_next_frame+0x4f3/0x1e10 [ 12.872401][ C2] ? __unwind_start+0x52b/0x800 [ 12.872404][ C2] ? arch_stack_walk+0x67/0xf0 [ 12.872408][ C2] ? stack_trace_save+0x93/0xd0 [ 12.872413][ C2] ? kasan_save_stack+0x24/0x50 [ 12.872418][ C2] ? kasan_save_track+0x14/0x30 [ 12.872421][ C2] ? __kasan_slab_alloc+0x59/0x70 [ 12.872428][ C2] __put_net+0x19/0x60 [ 12.872432][ C2] __sk_destruct+0x58a/0x780 [ 12.872437][ C2] ? rcu_do_batch+0x34a/0xf20 [ 12.872439][ C2] rcu_do_batch+0x34c/0xf20 [ 12.872443][ C2] ? find_held_lock+0x2b/0x80 [ 12.872446][ C2] ? __pfx_rcu_do_batch+0x10/0x10 [ 12.872450][ C2] ? mark_held_locks+0x49/0x80 [ 12.872453][ C2] ? note_gp_changes+0x182/0x1e0 [ 12.872456][ C2] ? lockdep_hardirqs_on+0x7c/0x110 [ 12.872461][ C2] rcu_core+0x2bb/0x500 [ 12.872465][ C2] handle_softirqs+0x218/0x620 [ 12.872470][ C2] __irq_exit_rcu+0xfa/0x160 [ 12.872474][ C2] irq_exit_rcu+0xe/0x30 [ 12.872477][ C2] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 12.872480][ C2] [ 12.872481][ C2] [ 12.872483][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 12.872485][ C2] RIP: 0010:lock_release+0x36/0xc0 [ 12.872490][ C2] Code: fd 53 e8 bd 88 ff ff 8b 15 7b 4b 20 04 85 d2 74 73 65 8b 05 9c fe 14 05 85 c0 75 68 65 48 8b 05 38 be 14 05 8b 80 4c 0a 00 00 <85> c0 75 56 48 81 7d 00 40 2d 58 ba 74 4c 9c 5b fa 48 c7 c7 da 3d [ 12.872493][ C2] RSP: 0018:ffffc900004b6f58 EFLAGS: 00000246 [ 12.872496][ C2] RAX: 0000000000000000 RBX: 1ffff92000096df8 RCX: ffffc900004b8001 [ 12.872498][ C2] RDX: 0000000000000001 RSI: ffffffffb7e53c20 RDI: ffffffffb86eae30 [ 12.872500][ C2] RBP: ffffffffb8b775e0 R08: 0000000000000000 R09: ffffc900004b7109 [ 12.872502][ C2] R10: 0000000000000000 R11: ffffc900004b7108 R12: ffffffffb5213a2e [ 12.872504][ C2] R13: ffffc900004b70c8 R14: ffffc900004b0000 R15: ffffc900004b7168 [ 12.872506][ C2] ? unwind_next_frame+0x4ee/0x1e10 [ 12.872513][ C2] ? lock_release+0x13/0xc0 [ 12.872516][ C2] unwind_next_frame+0x4f3/0x1e10 [ 12.872520][ C2] ? arch_stack_walk+0x67/0xf0 [ 12.872525][ C2] ? __pfx_unwind_next_frame+0x10/0x10 [ 12.872533][ C2] ? __lock_acquire+0x44d/0x7e0 [ 12.872536][ C2] ? get_stack_info_noinstr+0x18/0x120 [ 12.872541][ C2] __unwind_start+0x52b/0x800 [ 12.872544][ C2] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 12.872548][ C2] arch_stack_walk+0x67/0xf0 [ 12.872553][ C2] ? stack_trace_save+0x93/0xd0 [ 12.872557][ C2] stack_trace_save+0x93/0xd0 [ 12.872560][ C2] ? __pfx_stack_trace_save+0x10/0x10 [ 12.872563][ C2] ? validate_chain+0x166/0x4d0 [ 12.872567][ C2] kasan_save_stack+0x24/0x50 [ 12.872571][ C2] ? memchr_inv+0x1f4/0x260 [ 12.872576][ C2] ? check_bytes_and_report+0x6d/0x150 [ 12.872583][ C2] ? find_held_lock+0x2b/0x80 [ 12.872587][ C2] ? mark_held_locks+0x49/0x80 [ 12.872590][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 12.872594][ C2] ? lockdep_hardirqs_on+0x7c/0x110 [ 12.872597][ C2] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 12.872601][ C2] ? get_partial_node.part.0+0x1c2/0x3b0 [ 12.872606][ C2] ? ___slab_alloc+0x4b2/0x1170 [ 12.872610][ C2] ? __alloc_object+0x2f/0x2e0 [ 12.872617][ C2] kasan_save_track+0x14/0x30 [ 12.872621][ C2] __kasan_slab_alloc+0x59/0x70 [ 12.872625][ C2] kmem_cache_alloc_noprof+0x10b/0x330 [ 12.872628][ C2] ? fuse_file_alloc+0xb0/0x2c0 [ 12.872634][ C2] __alloc_object+0x2f/0x2e0 [ 12.872638][ C2] __create_object+0x22/0xb0 [ 12.872642][ C2] __kmalloc_cache_noprof+0x2bb/0x360 [ 12.872645][ C2] ? __lock_acquire+0x44d/0x7e0 [ 12.872648][ C2] ? kasan_save_track+0x14/0x30 [ 12.872652][ C2] fuse_file_alloc+0xb0/0x2c0 [ 12.872656][ C2] fuse_file_open+0x155/0x7f0 [ 12.872660][ C2] fuse_open+0x204/0x6e0 [ 12.872664][ C2] do_dentry_open+0x433/0x10a0 [ 12.872668][ C2] ? __pfx_fuse_open+0x10/0x10 [ 12.872672][ C2] vfs_open+0x82/0x350 [ 12.872679][ C2] backing_file_open+0x8a/0xf0 [ 12.872684][ C2] ? inode_owner_or_capable+0xad/0x170 [ 12.872689][ C2] ovl_open_realfile+0x221/0x330 [ 12.872696][ C2] ovl_open+0x1a1/0x2e0 [ 12.872700][ C2] ? __pfx_ovl_open+0x10/0x10 [ 12.872702][ C2] ? __lock_release+0x5d/0x170 [ 12.872708][ C2] do_dentry_open+0x433/0x10a0 [ 12.872710][ C2] ? __pfx_ovl_open+0x10/0x10 [ 12.872715][ C2] vfs_open+0x82/0x350 [ 12.872720][ C2] do_open+0x591/0xb60 [ 12.872725][ C2] path_openat+0x1e2/0x380 [ 12.872729][ C2] ? __pfx_path_openat+0x10/0x10 [ 12.872732][ C2] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 12.872736][ C2] ? arch_stack_walk+0x8b/0xf0 [ 12.872739][ C2] do_filp_open+0x1d7/0x420 [ 12.872743][ C2] ? __pfx_do_filp_open+0x10/0x10 [ 12.872746][ C2] ? rcu_read_lock_any_held+0x43/0xb0 [ 12.872750][ C2] ? validate_chain+0x166/0x4d0 [ 12.872756][ C2] ? __pfx_page_put_link+0x10/0x10 [ 12.872761][ C2] ? find_held_lock+0x2b/0x80 [ 12.872766][ C2] ? mark_held_locks+0x49/0x80 [ 12.872771][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 12.872776][ C2] ? lockdep_hardirqs_on+0x7c/0x110 [ 12.872781][ C2] do_open_execat+0xaa/0x2e0 [ 12.872784][ C2] ? __pfx_do_open_execat+0x10/0x10 [ 12.872788][ C2] ? getname_kernel+0x14b/0x2d0 [ 12.872792][ C2] open_exec+0x2b/0x50 [ 12.872794][ C2] load_elf_binary+0x51e/0x2960 [ 12.872799][ C2] ? __lock_acquire+0x44d/0x7e0 [ 12.872805][ C2] ? find_held_lock+0x2b/0x80 [ 12.872807][ C2] ? __pfx_load_elf_binary+0x10/0x10 [ 12.872810][ C2] ? exec_binprm+0x237/0x640 [ 12.872814][ C2] exec_binprm+0x255/0x640 [ 12.872819][ C2] ? __pfx_exec_binprm+0x10/0x10 [ 12.872821][ C2] ? bprm_execve+0x93/0x490 [ 12.872826][ C2] bprm_execve+0x1af/0x490 [ 12.872829][ C2] kernel_execve+0x252/0x2f0 [ 12.872832][ C2] call_usermodehelper_exec_async+0x23e/0x460 [ 12.872837][ C2] ? lockdep_hardirqs_on+0x7c/0x110 [ 12.872840][ C2] ? __pfx_call_usermodehelper_exec_async+0x10/0x10 [ 12.872843][ C2] ? __pfx_call_usermodehelper_exec_async+0x10/0x10 [ 12.872846][ C2] ret_from_fork+0x240/0x320 [ 12.872849][ C2] ? __pfx_call_usermodehelper_exec_async+0x10/0x10 [ 12.872853][ C2] ret_from_fork_asm+0x1a/0x30 [ 12.872860][ C2] [ 12.908453][ C2] BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1576 [ 12.908898][ C2] in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 231, name: kworker/u19:2 [ 12.909490][ C2] preempt_count: 100, expected: 0 [ 12.909731][ C2] RCU nest depth: 1, expected: 0 [ 12.909977][ C2] INFO: lockdep is turned off. [ 12.910428][ C2] Preemption disabled at: [ 12.910430][ C2] [] handle_softirqs+0xe5/0x620 [ 12.910947][ C2] CPU: 2 UID: 0 PID: 231 Comm: kworker/u19:2 Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 12.910952][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 12.910955][ C2] Call Trace: [ 12.910957][ C2] [ 12.910960][ C2] dump_stack_lvl+0xb0/0xd0 [ 12.910969][ C2] __might_resched+0x360/0x5a0 [ 12.910978][ C2] down_write+0x72/0x210 [ 12.910983][ C2] ? __pfx_down_write+0x10/0x10 [ 12.910986][ C2] ? simple_recursive_removal+0x33/0x610 [ 12.910992][ C2] ? rcu_is_watching+0x12/0xc0 [ 12.910999][ C2] ? do_raw_spin_unlock+0x58/0x220 [ 12.911003][ C2] simple_recursive_removal+0x6a/0x610 [ 12.911006][ C2] ? do_raw_spin_unlock+0x58/0x220 [ 12.911009][ C2] ? __pfx_remove_one+0x10/0x10 [ 12.911015][ C2] debugfs_remove+0x44/0x70 [ 12.911019][ C2] ref_tracker_dir_exit+0xcf/0x740 [ 12.911024][ C2] ? __pfx_ref_tracker_free+0x10/0x10 [ 12.911027][ C2] ? __sk_destruct+0x383/0x780 [ 12.911033][ C2] ? rcu_do_batch+0x34c/0xf20 [ 12.911038][ C2] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 12.911041][ C2] ? irq_exit_rcu+0xe/0x30 [ 12.911044][ C2] ? sysvec_apic_timer_interrupt+0xa8/0xc0 [ 12.911049][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 12.911055][ C2] ? lock_release+0x36/0xc0 [ 12.911060][ C2] ? unwind_next_frame+0x4f3/0x1e10 [ 12.911066][ C2] ? __unwind_start+0x52b/0x800 [ 12.911070][ C2] ? arch_stack_walk+0x67/0xf0 [ 12.911076][ C2] ? stack_trace_save+0x93/0xd0 [ 12.911082][ C2] ? kasan_save_stack+0x24/0x50 [ 12.911090][ C2] ? kasan_save_track+0x14/0x30 [ 12.911095][ C2] ? __kasan_slab_alloc+0x59/0x70 [ 12.911104][ C2] __put_net+0x19/0x60 [ 12.911111][ C2] __sk_destruct+0x58a/0x780 [ 12.911119][ C2] ? rcu_do_batch+0x34a/0xf20 [ 12.911124][ C2] rcu_do_batch+0x34c/0xf20 [ 12.911130][ C2] ? find_held_lock+0x2b/0x80 [ 12.911137][ C2] ? __pfx_rcu_do_batch+0x10/0x10 [ 12.911142][ C2] ? mark_held_locks+0x49/0x80 [ 12.911148][ C2] ? note_gp_changes+0x182/0x1e0 [ 12.911153][ C2] ? lockdep_hardirqs_on+0x7c/0x110 [ 12.911161][ C2] rcu_core+0x2bb/0x500 [ 12.911169][ C2] handle_softirqs+0x218/0x620 [ 12.911179][ C2] __irq_exit_rcu+0xfa/0x160 [ 12.911184][ C2] irq_exit_rcu+0xe/0x30 [ 12.911187][ C2] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 12.911191][ C2] [ 12.911192][ C2] [ 12.911194][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 12.911198][ C2] RIP: 0010:lock_release+0x36/0xc0 [ 12.911202][ C2] Code: fd 53 e8 bd 88 ff ff 8b 15 7b 4b 20 04 85 d2 74 73 65 8b 05 9c fe 14 05 85 c0 75 68 65 48 8b 05 38 be 14 05 8b 80 4c 0a 00 00 <85> c0 75 56 48 81 7d 00 40 2d 58 ba 74 4c 9c 5b fa 48 c7 c7 da 3d [ 12.911205][ C2] RSP: 0018:ffffc900004b6f58 EFLAGS: 00000246 [ 12.911209][ C2] RAX: 0000000000000000 RBX: 1ffff92000096df8 RCX: ffffc900004b8001 [ 12.911211][ C2] RDX: 0000000000000001 RSI: ffffffffb7e53c20 RDI: ffffffffb86eae30 [ 12.911213][ C2] RBP: ffffffffb8b775e0 R08: 0000000000000000 R09: ffffc900004b7109 [ 12.911215][ C2] R10: 0000000000000000 R11: ffffc900004b7108 R12: ffffffffb5213a2e [ 12.911217][ C2] R13: ffffc900004b70c8 R14: ffffc900004b0000 R15: ffffc900004b7168 [ 12.911219][ C2] ? unwind_next_frame+0x4ee/0x1e10 [ 12.911226][ C2] ? lock_release+0x13/0xc0 [ 12.911230][ C2] unwind_next_frame+0x4f3/0x1e10 [ 12.911233][ C2] ? arch_stack_walk+0x67/0xf0 [ 12.911238][ C2] ? __pfx_unwind_next_frame+0x10/0x10 [ 12.911242][ C2] ? __lock_acquire+0x44d/0x7e0 [ 12.911245][ C2] ? get_stack_info_noinstr+0x18/0x120 [ 12.911250][ C2] __unwind_start+0x52b/0x800 [ 12.911253][ C2] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 12.911257][ C2] arch_stack_walk+0x67/0xf0 [ 12.911261][ C2] ? stack_trace_save+0x93/0xd0 [ 12.911265][ C2] stack_trace_save+0x93/0xd0 [ 12.911268][ C2] ? __pfx_stack_trace_save+0x10/0x10 [ 12.911271][ C2] ? validate_chain+0x166/0x4d0 [ 12.911276][ C2] kasan_save_stack+0x24/0x50 [ 12.911279][ C2] ? memchr_inv+0x1f4/0x260 [ 12.911284][ C2] ? check_bytes_and_report+0x6d/0x150 [ 12.911291][ C2] ? find_held_lock+0x2b/0x80 [ 12.911295][ C2] ? mark_held_locks+0x49/0x80 [ 12.911298][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 12.911303][ C2] ? lockdep_hardirqs_on+0x7c/0x110 [ 12.911307][ C2] ? _raw_spin_unlock_irqrestore+0x46/0x80 [ 12.911311][ C2] ? get_partial_node.part.0+0x1c2/0x3b0 [ 12.911316][ C2] ? ___slab_alloc+0x4b2/0x1170 [ 12.911320][ C2] ? __alloc_object+0x2f/0x2e0 [ 12.911328][ C2] kasan_save_track+0x14/0x30 [ 12.911331][ C2] __kasan_slab_alloc+0x59/0x70 [ 12.911335][ C2] kmem_cache_alloc_noprof+0x10b/0x330 [ 12.911339][ C2] ? fuse_file_alloc+0xb0/0x2c0 [ 12.911344][ C2] __alloc_object+0x2f/0x2e0 [ 12.911348][ C2] __create_object+0x22/0xb0 [ 12.911352][ C2] __kmalloc_cache_noprof+0x2bb/0x360 [ 12.911356][ C2] ? __lock_acquire+0x44d/0x7e0 [ 12.911361][ C2] ? kasan_save_track+0x14/0x30 [ 12.911365][ C2] fuse_file_alloc+0xb0/0x2c0 [ 12.911368][ C2] fuse_file_open+0x155/0x7f0 [ 12.911372][ C2] fuse_open+0x204/0x6e0 [ 12.911376][ C2] do_dentry_open+0x433/0x10a0 [ 12.911380][ C2] ? __pfx_fuse_open+0x10/0x10 [ 12.911384][ C2] vfs_open+0x82/0x350 [ 12.911390][ C2] backing_file_open+0x8a/0xf0 [ 12.911393][ C2] ? inode_owner_or_capable+0xad/0x170 [ 12.911398][ C2] ovl_open_realfile+0x221/0x330 [ 12.911404][ C2] ovl_open+0x1a1/0x2e0 [ 12.911407][ C2] ? __pfx_ovl_open+0x10/0x10 [ 12.911410][ C2] ? __lock_release+0x5d/0x170 [ 12.911415][ C2] do_dentry_open+0x433/0x10a0 [ 12.911418][ C2] ? __pfx_ovl_open+0x10/0x10 [ 12.911422][ C2] vfs_open+0x82/0x350 [ 12.911427][ C2] do_open+0x591/0xb60 [ 12.911433][ C2] path_openat+0x1e2/0x380 [ 12.911436][ C2] ? __pfx_path_openat+0x10/0x10 [ 12.911439][ C2] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 12.911443][ C2] ? arch_stack_walk+0x8b/0xf0 [ 12.911446][ C2] do_filp_open+0x1d7/0x420 [ 12.911449][ C2] ? __pfx_do_filp_open+0x10/0x10 [ 12.911452][ C2] ? rcu_read_lock_any_held+0x43/0xb0 [ 12.911458][ C2] ? validate_chain+0x166/0x4d0 [ 12.911463][ C2] ? __pfx_page_put_link+0x10/0x10 [ 12.911470][ C2] ? find_held_lock+0x2b/0x80 [ 12.911474][ C2] ? mark_held_locks+0x49/0x80 [ 12.911477][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 12.911480][ C2] ? lockdep_hardirqs_on+0x7c/0x110 [ 12.911486][ C2] do_open_execat+0xaa/0x2e0 [ 12.911488][ C2] ? __pfx_do_open_execat+0x10/0x10 [ 12.911493][ C2] ? getname_kernel+0x14b/0x2d0 [ 12.911497][ C2] open_exec+0x2b/0x50 [ 12.911500][ C2] load_elf_binary+0x51e/0x2960 [ 12.911505][ C2] ? __lock_acquire+0x44d/0x7e0 [ 12.911510][ C2] ? find_held_lock+0x2b/0x80 [ 12.911513][ C2] ? __pfx_load_elf_binary+0x10/0x10 [ 12.911515][ C2] ? exec_binprm+0x237/0x640 [ 12.911520][ C2] exec_binprm+0x255/0x640 [ 12.911524][ C2] ? __pfx_exec_binprm+0x10/0x10 [ 12.911527][ C2] ? bprm_execve+0x93/0x490 [ 12.911532][ C2] bprm_execve+0x1af/0x490 [ 12.911535][ C2] kernel_execve+0x252/0x2f0 [ 12.911541][ C2] call_usermodehelper_exec_async+0x23e/0x460 [ 12.911546][ C2] ? lockdep_hardirqs_on+0x7c/0x110 [ 12.911551][ C2] ? __pfx_call_usermodehelper_exec_async+0x10/0x10 [ 12.911556][ C2] ? __pfx_call_usermodehelper_exec_async+0x10/0x10 [ 12.911562][ C2] ret_from_fork+0x240/0x320 [ 12.911570][ C2] ? __pfx_call_usermodehelper_exec_async+0x10/0x10 [ 12.911576][ C2] ret_from_fork_asm+0x1a/0x30 [ 12.911588][ C2]