[ 16.867795][ C2] [ 16.868001][ C2] ================================ [ 16.868202][ C2] WARNING: inconsistent lock state [ 16.868396][ C2] 6.15.0-virtme #1 Not tainted [ 16.868596][ C2] -------------------------------- [ 16.868790][ C2] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 16.869035][ C2] ksft_runner.sh/257 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 16.869278][ C2] ffffffff8b38d218 (&xa->xa_lock#8){+.?.}-{3:3}, at: xa_set_mark+0x73/0x120 [ 16.869623][ C2] {SOFTIRQ-ON-W} state was registered at: [ 16.869817][ C2] __lock_acquire+0x20b/0x7e0 [ 16.870017][ C2] lock_acquire.part.0+0xb6/0x240 [ 16.870211][ C2] _raw_spin_lock+0x33/0x40 [ 16.870408][ C2] xa_store+0x1c/0x50 [ 16.870554][ C2] ref_tracker_dir_debugfs+0x168/0x1b0 [ 16.870750][ C2] init_net_debugfs+0x15/0x70 [ 16.870946][ C2] do_one_initcall+0x8c/0x1e0 [ 16.871141][ C2] do_initcalls+0x176/0x280 [ 16.871336][ C2] kernel_init_freeable+0x22d/0x300 [ 16.871530][ C2] kernel_init+0x20/0x200 [ 16.871727][ C2] ret_from_fork+0x240/0x320 [ 16.871929][ C2] ret_from_fork_asm+0x1a/0x30 [ 16.872125][ C2] irq event stamp: 2320 [ 16.872271][ C2] hardirqs last enabled at (2320): [] _raw_spin_unlock_irqrestore+0x5d/0x80 [ 16.872657][ C2] hardirqs last disabled at (2319): [] _raw_spin_lock_irqsave+0x5b/0x60 [ 16.873000][ C2] softirqs last enabled at (1104): [] handle_softirqs+0x358/0x620 [ 16.873340][ C2] softirqs last disabled at (1181): [] __irq_exit_rcu+0xfa/0x160 [ 16.873678][ C2] [ 16.873678][ C2] other info that might help us debug this: [ 16.873963][ C2] Possible unsafe locking scenario: [ 16.873963][ C2] [ 16.874251][ C2] CPU0 [ 16.874395][ C2] ---- [ 16.874539][ C2] lock(&xa->xa_lock#8); [ 16.874690][ C2] [ 16.874836][ C2] lock(&xa->xa_lock#8); [ 16.875026][ C2] [ 16.875026][ C2] *** DEADLOCK *** [ 16.875026][ C2] [ 16.875311][ C2] 6 locks held by ksft_runner.sh/257: [ 16.875513][ C2] #0: ffff888008f4f948 (vm_lock){++++}-{0:0}, at: do_user_addr_fault+0x461/0xe00 [ 16.875862][ C2] #1: ffffffff889794e0 (rcu_read_lock){....}-{1:3}, at: do_fault_around+0x1e9/0x4c0 [ 16.876208][ C2] #2: ffffffff889794e0 (rcu_read_lock){....}-{1:3}, at: filemap_map_pages+0x169/0xf90 [ 16.876550][ C2] #3: ffffffff889794e0 (rcu_read_lock){....}-{1:3}, at: ___pte_offset_map+0x2c/0x2a0 [ 16.876895][ C2] #4: ffff8880094f72e0 (ptlock_ptr(ptdesc)#2){+.+.}-{3:3}, at: __pte_offset_map_lock+0xfa/0x280 [ 16.877289][ C2] #5: ffffffff889793c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x2e4/0xf20 [ 16.877635][ C2] [ 16.877635][ C2] stack backtrace: [ 16.877873][ C2] CPU: 2 UID: 0 PID: 257 Comm: ksft_runner.sh Not tainted 6.15.0-virtme #1 PREEMPT(full) [ 16.877878][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 16.877880][ C2] Call Trace: [ 16.877882][ C2] [ 16.877883][ C2] dump_stack_lvl+0x82/0xd0 [ 16.877889][ C2] print_usage_bug.part.0+0x25f/0x360 [ 16.877894][ C2] mark_lock_irq+0x343/0x400 [ 16.877901][ C2] mark_lock+0x174/0x2f0 [ 16.877905][ C2] mark_usage+0x46/0x150 [ 16.877908][ C2] __lock_acquire+0x20b/0x7e0 [ 16.877912][ C2] ? unwind_next_frame+0x4f8/0x1e10 [ 16.877916][ C2] ? handle_pte_fault+0x3fc/0x700 [ 16.877920][ C2] lock_acquire.part.0+0xb6/0x240 [ 16.877924][ C2] ? xa_set_mark+0x73/0x120 [ 16.877927][ C2] ? rcu_is_watching+0x12/0xc0 [ 16.877932][ C2] ? lock_acquire+0x10c/0x170 [ 16.877935][ C2] ? xa_set_mark+0x73/0x120 [ 16.877938][ C2] _raw_spin_lock+0x33/0x40 [ 16.877941][ C2] ? xa_set_mark+0x73/0x120 [ 16.877944][ C2] xa_set_mark+0x73/0x120 [ 16.877947][ C2] ? __pfx_xa_set_mark+0x10/0x10 [ 16.877949][ C2] ? __lock_acquire+0x44d/0x7e0 [ 16.877955][ C2] ? find_held_lock+0x2b/0x80 [ 16.877958][ C2] ref_tracker_dir_exit+0xb2/0x740 [ 16.877962][ C2] ? mark_held_locks+0x49/0x80 [ 16.877966][ C2] ? _raw_spin_unlock_irqrestore+0x5d/0x80 [ 16.877969][ C2] ? __pfx_ref_tracker_dir_exit+0x10/0x10 [ 16.877973][ C2] ? ref_tracker_free+0x35d/0x900 [ 16.877976][ C2] ? __lock_acquire+0x44d/0x7e0 [ 16.877979][ C2] ? __pfx_ref_tracker_free+0x10/0x10 [ 16.877982][ C2] ? __sk_destruct+0x383/0x780 [ 16.877987][ C2] ? rcu_do_batch+0x34f/0xf20 [ 16.877989][ C2] ? rcu_core+0x2bb/0x500 [ 16.877992][ C2] ? handle_softirqs+0x21b/0x620 [ 16.877996][ C2] __put_net+0x83/0x140 [ 16.878000][ C2] ? do_fault_around+0x2a8/0x4c0 [ 16.878004][ C2] ? __pfx___put_net+0x10/0x10 [ 16.878008][ C2] ? bpf_sk_storage_free+0x9f/0x1c0 [ 16.878014][ C2] __sk_destruct+0x58a/0x780 [ 16.878017][ C2] ? rcu_do_batch+0x34a/0xf20 [ 16.878020][ C2] rcu_do_batch+0x34f/0xf20 [ 16.878025][ C2] ? __pfx_rcu_do_batch+0x10/0x10 [ 16.878029][ C2] ? mark_held_locks+0x49/0x80 [ 16.878032][ C2] ? note_gp_changes+0x182/0x1e0 [ 16.878035][ C2] ? lockdep_hardirqs_on+0x7c/0x110 [ 16.878040][ C2] rcu_core+0x2bb/0x500 [ 16.878043][ C2] handle_softirqs+0x21b/0x620 [ 16.878049][ C2] __irq_exit_rcu+0xfa/0x160 [ 16.878052][ C2] irq_exit_rcu+0xe/0x30 [ 16.878056][ C2] sysvec_apic_timer_interrupt+0xa8/0xc0 [ 16.878059][ C2] [ 16.878060][ C2] [ 16.878061][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 16.878065][ C2] RIP: 0010:lock_is_held_type+0x106/0x150 [ 16.878069][ C2] Code: 00 00 b8 ff ff ff ff 65 0f c1 05 25 f6 97 02 83 f8 01 75 2d 9c 58 f6 c4 02 75 43 48 f7 04 24 00 02 00 00 74 01 fb 48 83 c4 08 <44> 89 e8 5b 5d 41 5c 41 5d 41 5e 41 5f c3 cc cc cc cc 45 31 ed eb [ 16.878072][ C2] RSP: 0000:ffffc900007d7948 EFLAGS: 00000286 [ 16.878075][ C2] RAX: 0000000000000046 RBX: 0000000000000001 RCX: 0000000000000001 [ 16.878077][ C2] RDX: 0000000000000000 RSI: ffffffff8848de21 RDI: ffffffff87c5a220 [ 16.878078][ C2] RBP: ffffffff889794e0 R08: 0000000000000001 R09: fffff9400018ab40 [ 16.878080][ C2] R10: ffffea0000c55a07 R11: ffffffff889794e0 R12: ffff888009f40040 [ 16.878082][ C2] R13: 0000000000000001 R14: 00000000ffffffff R15: ffff888009f40ab8 [ 16.878089][ C2] xas_reload+0x1fc/0x390 [ 16.878093][ C2] next_uptodate_folio+0xbc/0x340 [ 16.878098][ C2] filemap_map_pages+0x506/0xf90 [ 16.878105][ C2] ? __pfx_filemap_map_pages+0x10/0x10 [ 16.878109][ C2] ? rcu_is_watching+0x12/0xc0 [ 16.878113][ C2] ? lock_acquire+0x10c/0x170 [ 16.878116][ C2] ? do_fault_around+0x1e9/0x4c0 [ 16.878120][ C2] ? __pfx_filemap_map_pages+0x10/0x10 [ 16.878122][ C2] do_fault_around+0x2a8/0x4c0 [ 16.878125][ C2] ? find_held_lock+0x2b/0x80 [ 16.878129][ C2] do_pte_missing+0x876/0xe00 [ 16.878133][ C2] handle_pte_fault+0x3fc/0x700 [ 16.878136][ C2] ? __lock_acquire+0x44d/0x7e0 [ 16.878139][ C2] ? __pfx_handle_pte_fault+0x10/0x10 [ 16.878143][ C2] ? reacquire_held_locks+0xd1/0x200 [ 16.878146][ C2] ? do_user_addr_fault+0x461/0xe00 [ 16.878150][ C2] __handle_mm_fault+0x3fc/0x5e0 [ 16.878153][ C2] ? __pfx___handle_mm_fault+0x10/0x10 [ 16.878156][ C2] ? lock_vma_under_rcu+0x36c/0x6b0 [ 16.878159][ C2] ? __lock_release+0xa8/0x170 [ 16.878165][ C2] ? __pfx_lock_vma_under_rcu+0x10/0x10 [ 16.878169][ C2] handle_mm_fault+0x200/0x420 [ 16.878173][ C2] ? __pfx_handle_mm_fault+0x10/0x10 [ 16.878175][ C2] ? exc_page_fault+0x5d/0xc0 [ 16.878178][ C2] ? __lock_release+0x5d/0x170 [ 16.878183][ C2] do_user_addr_fault+0x576/0xe00 [ 16.878187][ C2] ? rcu_is_watching+0x12/0xc0 [ 16.878192][ C2] exc_page_fault+0x5d/0xc0 [ 16.878195][ C2] asm_exc_page_fault+0x26/0x30 [ 16.878198][ C2] RIP: 0033:0x55926e396450 [ 16.878201][ C2] Code: c5 e9 d2 fd ff ff 0f 1f 40 00 83 ff 01 74 87 e9 37 ff ff ff 4c 89 ee 48 8d 3d c6 bb 06 00 31 c0 e8 05 0e 00 00 e9 67 fe ff ff 0f 1e fa 41 55 55 48 89 fd 53 89 f3 48 83 ec 20 64 48 8b 04 25 [ 16.878203][ C2] RSP: 002b:00007ffd37774e08 EFLAGS: 00010206 [ 16.878205][ C2] RAX: 000055927119e750 RBX: 0000000000000000 RCX: 0000000000000004 [ 16.878207][ C2] RDX: 0000000000000020 RSI: 0000000000000001 RDI: 00005592711c1560 [ 16.878209][ C2] RBP: 00000000ffffffff R08: 00005592711b1e40 R09: 0000000000000000 [ 16.878210][ C2] R10: 0000000000000008 R11: ce539a4f86592f74 R12: 00000000ffffffff [ 16.878212][ C2] R13: 00005592711bf700 R14: 0000559271191010 R15: 000055927118c660 [ 16.878217][ C2]