INFO: trying to register non-static key. The code is fine but needs lockdep annotation, or maybe you didn't initialize this object before use? turning off the locking correctness validator. CPU: 1 PID: 21972 Comm: syz-executor.0 Not tainted 5.17.0-rc8-syzkaller-00178-g46d2c20b0b10 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106 assign_lock_key kernel/locking/lockdep.c:951 [inline] register_lock_class+0xf1b/0x11a0 kernel/locking/lockdep.c:1263 __lock_acquire+0x10b/0x56c0 kernel/locking/lockdep.c:4906 lock_acquire kernel/locking/lockdep.c:5639 [inline] lock_acquire+0x1ab/0x510 kernel/locking/lockdep.c:5604 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x39/0x50 kernel/locking/spinlock.c:162 skb_queue_tail+0x21/0x140 net/core/skbuff.c:3341 ath9k_htc_txep+0x287/0x400 drivers/net/wireless/ath/ath9k/htc_drv_txrx.c:712 ath9k_htc_txcompletion_cb+0x1cd/0x2f0 drivers/net/wireless/ath/ath9k/htc_hst.c:348 hif_usb_regout_cb+0x115/0x1c0 drivers/net/wireless/ath/ath9k/hif_usb.c:90 __usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1670 usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1747 dummy_timer+0x11f9/0x32b0 drivers/usb/gadget/udc/dummy_hcd.c:1988 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421 expire_timers kernel/time/timer.c:1466 [inline] __run_timers.part.0+0x67c/0xa30 kernel/time/timer.c:1734 __run_timers kernel/time/timer.c:1715 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747 __do_softirq+0x288/0x9a5 kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x113/0x170 kernel/softirq.c:637 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:on_stack arch/x86/include/asm/stacktrace.h:60 [inline] RIP: 0010:stack_access_ok arch/x86/kernel/unwind_orc.c:342 [inline] RIP: 0010:deref_stack_reg+0x99/0x150 arch/x86/kernel/unwind_orc.c:352 Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 94 00 00 00 49 39 ed 49 8b 44 24 10 77 13 48 39 e8 76 0e 48 8d 55 08 48 39 d0 72 05 <49> 39 d5 72 3b 49 8d 7c 24 28 48 b8 00 00 00 00 00 fc ff df 49 8d RSP: 0018:ffffc9000189f360 EFLAGS: 00000212 RAX: ffffc900018a0000 RBX: ffffc9000189f4b0 RCX: ffffffff890bcf61 RDX: ffffc9000189f7c8 RSI: ffffc9000189f7c0 RDI: ffffc9000189f478 RBP: ffffc9000189f7c0 R08: ffffffff890bcf5c R09: 0000000000000001 R10: fffff52000313e98 R11: 000000000005003e R12: ffffc9000189f468 R13: ffffc90001898000 R14: ffffc9000189f468 R15: ffffffff890bcf60 unwind_next_frame+0xcdc/0x1ce0 arch/x86/kernel/unwind_orc.c:534 arch_stack_walk+0x7d/0xe0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:122 kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38 kasan_set_track+0x21/0x30 mm/kasan/common.c:45 kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:370 ____kasan_slab_free mm/kasan/common.c:366 [inline] ____kasan_slab_free+0x102/0x150 mm/kasan/common.c:328 kasan_slab_free include/linux/kasan.h:236 [inline] slab_free_hook mm/slub.c:1728 [inline] slab_free_freelist_hook mm/slub.c:1754 [inline] slab_free mm/slub.c:3509 [inline] kmem_cache_free+0xd5/0x400 mm/slub.c:3526 jbd2_free_handle include/linux/jbd2.h:1605 [inline] jbd2_journal_stop+0x656/0xf20 fs/jbd2/transaction.c:1948 __ext4_journal_stop+0xde/0x1f0 fs/ext4/ext4_jbd2.c:127 ext4_dirty_inode+0xe8/0x110 fs/ext4/inode.c:5903 __mark_inode_dirty+0x3f8/0xf30 fs/fs-writeback.c:2409 mark_inode_dirty include/linux/fs.h:2367 [inline] generic_write_end+0x238/0x400 fs/buffer.c:2203 ext4_da_write_end+0x1c2/0x990 fs/ext4/inode.c:3042 generic_perform_write+0x2c6/0x510 mm/filemap.c:3776 ext4_buffered_write_iter+0x1a2/0x390 fs/ext4/file.c:268 ext4_dio_write_iter fs/ext4/file.c:584 [inline] ext4_file_write_iter+0xb3b/0x1970 fs/ext4/file.c:675 call_write_iter include/linux/fs.h:2074 [inline] new_sync_write+0x431/0x660 fs/read_write.c:503 vfs_write+0x7cd/0xae0 fs/read_write.c:590 ksys_write+0x12d/0x250 fs/read_write.c:643 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fdd753b4049 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fdd7452a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fdd754c6f60 RCX: 00007fdd753b4049 RDX: 00000000fffffeb0 RSI: 0000000020001800 RDI: 0000000000000006 RBP: 00007fdd7540e08d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd362371ef R14: 00007fdd7452a300 R15: 0000000000022000 general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 PID: 21972 Comm: syz-executor.0 Not tainted 5.17.0-rc8-syzkaller-00178-g46d2c20b0b10 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__skb_insert include/linux/skbuff.h:2011 [inline] RIP: 0010:__skb_queue_before include/linux/skbuff.h:2117 [inline] RIP: 0010:__skb_queue_tail include/linux/skbuff.h:2150 [inline] RIP: 0010:skb_queue_tail+0x9e/0x140 net/core/skbuff.c:3342 Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 80 00 00 00 4c 89 e2 4c 89 65 08 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 48 89 6b 08 <80> 3c 02 00 75 4f 48 8d 7b 10 49 89 2c 24 48 b8 00 00 00 00 00 fc RSP: 0018:ffffc900001589d8 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: ffff88811cac38e8 RCX: ffffffff8129fc50 RDX: 0000000000000000 RSI: 0000000000000012 RDI: ffff88810c231288 RBP: ffff88810c231280 R08: 0000000000000001 R09: 0000000000000003 R10: fffff5200002b129 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88811cac3900 R14: 0000000100010eba R15: ffffffff83164120 FS: 00007fdd7452a700(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020e7f000 CR3: 0000000116e58000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ath9k_htc_txep+0x287/0x400 drivers/net/wireless/ath/ath9k/htc_drv_txrx.c:712 ath9k_htc_txcompletion_cb+0x1cd/0x2f0 drivers/net/wireless/ath/ath9k/htc_hst.c:348 hif_usb_regout_cb+0x115/0x1c0 drivers/net/wireless/ath/ath9k/hif_usb.c:90 __usb_hcd_giveback_urb+0x2b0/0x5c0 drivers/usb/core/hcd.c:1670 usb_hcd_giveback_urb+0x367/0x410 drivers/usb/core/hcd.c:1747 dummy_timer+0x11f9/0x32b0 drivers/usb/gadget/udc/dummy_hcd.c:1988 call_timer_fn+0x1a5/0x6b0 kernel/time/timer.c:1421 expire_timers kernel/time/timer.c:1466 [inline] __run_timers.part.0+0x67c/0xa30 kernel/time/timer.c:1734 __run_timers kernel/time/timer.c:1715 [inline] run_timer_softirq+0xb3/0x1d0 kernel/time/timer.c:1747 __do_softirq+0x288/0x9a5 kernel/softirq.c:558 invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x113/0x170 kernel/softirq.c:637 irq_exit_rcu+0x5/0x20 kernel/softirq.c:649 sysvec_apic_timer_interrupt+0x8e/0xc0 arch/x86/kernel/apic/apic.c:1097 asm_sysvec_apic_timer_interrupt+0x12/0x20 arch/x86/include/asm/idtentry.h:638 RIP: 0010:on_stack arch/x86/include/asm/stacktrace.h:60 [inline] RIP: 0010:stack_access_ok arch/x86/kernel/unwind_orc.c:342 [inline] RIP: 0010:deref_stack_reg+0x99/0x150 arch/x86/kernel/unwind_orc.c:352 Code: df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 94 00 00 00 49 39 ed 49 8b 44 24 10 77 13 48 39 e8 76 0e 48 8d 55 08 48 39 d0 72 05 <49> 39 d5 72 3b 49 8d 7c 24 28 48 b8 00 00 00 00 00 fc ff df 49 8d RSP: 0018:ffffc9000189f360 EFLAGS: 00000212 RAX: ffffc900018a0000 RBX: ffffc9000189f4b0 RCX: ffffffff890bcf61 RDX: ffffc9000189f7c8 RSI: ffffc9000189f7c0 RDI: ffffc9000189f478 RBP: ffffc9000189f7c0 R08: ffffffff890bcf5c R09: 0000000000000001 R10: fffff52000313e98 R11: 000000000005003e R12: ffffc9000189f468 R13: ffffc90001898000 R14: ffffc9000189f468 R15: ffffffff890bcf60 unwind_next_frame+0xcdc/0x1ce0 arch/x86/kernel/unwind_orc.c:534 arch_stack_walk+0x7d/0xe0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:122 kasan_save_stack+0x1e/0x40 mm/kasan/common.c:38 kasan_set_track+0x21/0x30 mm/kasan/common.c:45 kasan_set_free_info+0x20/0x30 mm/kasan/generic.c:370 ____kasan_slab_free mm/kasan/common.c:366 [inline] ____kasan_slab_free+0x102/0x150 mm/kasan/common.c:328 kasan_slab_free include/linux/kasan.h:236 [inline] slab_free_hook mm/slub.c:1728 [inline] slab_free_freelist_hook mm/slub.c:1754 [inline] slab_free mm/slub.c:3509 [inline] kmem_cache_free+0xd5/0x400 mm/slub.c:3526 jbd2_free_handle include/linux/jbd2.h:1605 [inline] jbd2_journal_stop+0x656/0xf20 fs/jbd2/transaction.c:1948 __ext4_journal_stop+0xde/0x1f0 fs/ext4/ext4_jbd2.c:127 ext4_dirty_inode+0xe8/0x110 fs/ext4/inode.c:5903 __mark_inode_dirty+0x3f8/0xf30 fs/fs-writeback.c:2409 mark_inode_dirty include/linux/fs.h:2367 [inline] generic_write_end+0x238/0x400 fs/buffer.c:2203 ext4_da_write_end+0x1c2/0x990 fs/ext4/inode.c:3042 generic_perform_write+0x2c6/0x510 mm/filemap.c:3776 ext4_buffered_write_iter+0x1a2/0x390 fs/ext4/file.c:268 ext4_dio_write_iter fs/ext4/file.c:584 [inline] ext4_file_write_iter+0xb3b/0x1970 fs/ext4/file.c:675 call_write_iter include/linux/fs.h:2074 [inline] new_sync_write+0x431/0x660 fs/read_write.c:503 vfs_write+0x7cd/0xae0 fs/read_write.c:590 ksys_write+0x12d/0x250 fs/read_write.c:643 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x44/0xae RIP: 0033:0x7fdd753b4049 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fdd7452a168 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fdd754c6f60 RCX: 00007fdd753b4049 RDX: 00000000fffffeb0 RSI: 0000000020001800 RDI: 0000000000000006 RBP: 00007fdd7540e08d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd362371ef R14: 00007fdd7452a300 R15: 0000000000022000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:__skb_insert include/linux/skbuff.h:2011 [inline] RIP: 0010:__skb_queue_before include/linux/skbuff.h:2117 [inline] RIP: 0010:__skb_queue_tail include/linux/skbuff.h:2150 [inline] RIP: 0010:skb_queue_tail+0x9e/0x140 net/core/skbuff.c:3342 Code: 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 80 00 00 00 4c 89 e2 4c 89 65 08 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 48 89 6b 08 <80> 3c 02 00 75 4f 48 8d 7b 10 49 89 2c 24 48 b8 00 00 00 00 00 fc RSP: 0018:ffffc900001589d8 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: ffff88811cac38e8 RCX: ffffffff8129fc50 RDX: 0000000000000000 RSI: 0000000000000012 RDI: ffff88810c231288 RBP: ffff88810c231280 R08: 0000000000000001 R09: 0000000000000003 R10: fffff5200002b129 R11: 0000000000000000 R12: 0000000000000000 R13: ffff88811cac3900 R14: 0000000100010eba R15: ffffffff83164120 FS: 00007fdd7452a700(0000) GS:ffff8881f6900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020e7f000 CR3: 0000000116e58000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: df 48 89 fisttps -0x77(%rax) 3: fa cli 4: 48 c1 ea 03 shr $0x3,%rdx 8: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1) c: 0f 85 94 00 00 00 jne 0xa6 12: 49 39 ed cmp %rbp,%r13 15: 49 8b 44 24 10 mov 0x10(%r12),%rax 1a: 77 13 ja 0x2f 1c: 48 39 e8 cmp %rbp,%rax 1f: 76 0e jbe 0x2f 21: 48 8d 55 08 lea 0x8(%rbp),%rdx 25: 48 39 d0 cmp %rdx,%rax 28: 72 05 jb 0x2f * 2a: 49 39 d5 cmp %rdx,%r13 <-- trapping instruction 2d: 72 3b jb 0x6a 2f: 49 8d 7c 24 28 lea 0x28(%r12),%rdi 34: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 3b: fc ff df 3e: 49 rex.WB 3f: 8d .byte 0x8d