[ 4210.029057][ C2] ==================================================================
[ 4210.029314][ C2] BUG: KASAN: null-ptr-deref in sock_def_write_space_wfree+0x210/0x360
[ 4210.029541][ C2] Read of size 8 at addr 0000000000000008 by task cmsg_sender/8049
[ 4210.029754][ C2]
[ 4210.029834][ C2] CPU: 2 PID: 8049 Comm: cmsg_sender Not tainted 6.9.0-rc2-virtme #1
[ 4210.030059][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4210.030381][ C2] Call Trace:
[ 4210.030493][ C2]
[ 4210.030577][ C2] dump_stack_lvl+0x82/0xd0
[ 4210.030725][ C2] kasan_report+0xbd/0xf0
[ 4210.030834][ C2] ? sock_def_write_space_wfree+0x210/0x360
[ 4210.031014][ C2] kasan_check_range+0x39/0x1c0
[ 4210.031156][ C2] sock_def_write_space_wfree+0x210/0x360
[ 4210.031297][ C2] sock_wfree+0x25f/0x3e0
[ 4210.031405][ C2] skb_release_head_state+0x7a/0x1e0
[ 4210.031547][ C2] consume_skb+0x76/0x110
[ 4210.031658][ C2] dummy_xmit+0x106/0x170
[ 4210.031765][ C2] ? trace_net_dev_start_xmit+0xff/0x170
[ 4210.031907][ C2] dev_hard_start_xmit+0x10e/0x360
[ 4210.032052][ C2] sch_direct_xmit+0x203/0x11c0
[ 4210.032197][ C2] ? __pfx_sch_direct_xmit+0x10/0x10
[ 4210.032341][ C2] __qdisc_run+0x1cd/0x3d0
[ 4210.032482][ C2] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 4210.032625][ C2] ? __pfx___qdisc_run+0x10/0x10
[ 4210.032771][ C2] ? do_raw_spin_lock+0x131/0x270
[ 4210.032913][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 4210.033055][ C2] ? lock_acquire+0x32/0xc0
[ 4210.033198][ C2] ? net_tx_action+0x3a5/0x680
[ 4210.033352][ C2] net_tx_action+0x3f6/0x680
[ 4210.033494][ C2] __do_softirq+0x1f8/0x5df
[ 4210.033639][ C2] irq_exit_rcu+0x97/0xc0
[ 4210.033748][ C2] sysvec_apic_timer_interrupt+0x75/0x80
[ 4210.033892][ C2]
[ 4210.033972][ C2]
[ 4210.034043][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 4210.034219][ C2] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 4210.034409][ C2] Code: 10 e8 b1 00 79 fd 48 89 ef e8 e9 70 79 fd 81 e3 00 02 00 00 75 1d 9c 58 f6 c4 02 75 29 48 85 db 74 01 fb 65 ff 0d 15 5c 8d 53 <74> 0e 5b 5d c3 cc cc cc cc e8 0f d1 9c fd eb dc 0f 1f 44 00 00 5b
[ 4210.034905][ C2] RSP: 0018:ffffc9000058fa80 EFLAGS: 00000282
[ 4210.035090][ C2] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff5f458b4
[ 4210.035299][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffac766dc1
[ 4210.035509][ C2] RBP: ffff8880010bfa80 R08: 0000000000000001 R09: fffffbfff5f432aa
[ 4210.035720][ C2] R10: ffffffffafa19557 R11: 0000000000000008 R12: ffff8880010bfa80
[ 4210.035934][ C2] R13: ffffea0000330000 R14: ffff88800196ac40 R15: ffff88800cc015b0
[ 4210.036153][ C2] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 4210.036331][ C2] get_partial_node.part.0+0x1c5/0x3a0
[ 4210.036476][ C2] ___slab_alloc+0xb70/0x10a0
[ 4210.036619][ C2] ? kmem_cache_alloc+0x42/0x270
[ 4210.036761][ C2] ? vm_area_alloc+0xe4/0x1b0
[ 4210.036913][ C2] ? __pfx___lock_release+0x10/0x10
[ 4210.037058][ C2] ? vm_area_alloc+0xe4/0x1b0
[ 4210.037197][ C2] ? kmem_cache_alloc+0x243/0x270
[ 4210.037343][ C2] kmem_cache_alloc+0x243/0x270
[ 4210.037485][ C2] vm_area_alloc+0xe4/0x1b0
[ 4210.037624][ C2] mmap_region+0x2a6/0x2110
[ 4210.037770][ C2] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10
[ 4210.037946][ C2] ? __pfx_mmap_region+0x10/0x10
[ 4210.038092][ C2] ? get_unmapped_area+0x209/0x310
[ 4210.038233][ C2] do_mmap+0x622/0xc70
[ 4210.038339][ C2] ? __lock_release+0x103/0x460
[ 4210.038482][ C2] ? __fget_files+0x1bc/0x410
[ 4210.038627][ C2] vm_mmap_pgoff+0x113/0x2f0
[ 4210.038774][ C2] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 4210.038916][ C2] ? __fget_files+0x1bc/0x410
[ 4210.039057][ C2] ? __fget_files+0x1c1/0x410
[ 4210.039199][ C2] ksys_mmap_pgoff+0x290/0x410
[ 4210.039345][ C2] do_syscall_64+0xc6/0x1e0
[ 4210.039489][ C2] entry_SYSCALL_64_after_hwframe+0x72/0x7a
[ 4210.039663][ C2] RIP: 0033:0x7fca18a2c287
[ 4210.039812][ C2] Code: c3 66 90 48 89 2b 48 c7 43 08 00 04 00 00 5b 5d 41 5c c3 f3 0f 1e fa 41 89 ca 41 f7 c1 ff 0f 00 00 75 10 b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 19 c3 c7 05 46 ef 00 00 16 00 00 00 48 c7 c0
[ 4210.040310][ C2] RSP: 002b:00007ffe97541b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
[ 4210.040521][ C2] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fca18a2c287
[ 4210.040731][ C2] RDX: 0000000000000003 RSI: 0000000000006000 RDI: 00007fca189e5000
[ 4210.040942][ C2] RBP: 00007ffe97542220 R08: 0000000000000005 R09: 00000000001f5000
[ 4210.041158][ C2] R10: 0000000000000812 R11: 0000000000000246 R12: 00007ffe97541ba0
[ 4210.041369][ C2] R13: 00007ffe975422c0 R14: 0000000000000000 R15: 00007fca189fd940
[ 4210.041579][ C2]
[ 4210.041684][ C2] ==================================================================
[ 4210.041907][ C2] Disabling lock debugging due to kernel taint
[ 4210.042119][ C2] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN NOPTI
[ 4210.042433][ C2] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
[ 4210.042638][ C2] CPU: 2 PID: 8049 Comm: cmsg_sender Tainted: G B 6.9.0-rc2-virtme #1
[ 4210.042885][ C2] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4210.043197][ C2] RIP: 0010:sock_def_write_space_wfree+0x221/0x360
[ 4210.043377][ C2] Code: 00 4c 8b bb a0 01 00 00 be 08 00 00 00 4d 8d 77 08 4c 89 f7 e8 e0 0e 8b fe 4c 89 f2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 fe 00 00 00 49 8b 47 08 a8 04 0f 85 dc fe ff ff
[ 4210.043888][ C2] RSP: 0018:ffffc90000230c30 EFLAGS: 00010202
[ 4210.044068][ C2] RAX: dffffc0000000000 RBX: ffff88800bc2b340 RCX: ffffffffa9d9564a
[ 4210.044278][ C2] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffffffaf2fda00
[ 4210.044488][ C2] RBP: ffff88800bc2b3a0 R08: 0000000000000001 R09: fffffbfff5e5fb40
[ 4210.044693][ C2] R10: ffffffffaf2fda07 R11: 205d324320202020 R12: 0000000000000000
[ 4210.044905][ C2] R13: ffff88800bc2b4c0 R14: 0000000000000008 R15: 0000000000000000
[ 4210.045119][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[ 4210.045360][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4210.045534][ C2] CR2: 00007fca189f8270 CR3: 00000000114e4003 CR4: 0000000000770ef0
[ 4210.045744][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4210.045951][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4210.046157][ C2] PKRU: 55555554
[ 4210.046262][ C2] Call Trace:
[ 4210.046368][ C2]
[ 4210.046439][ C2] ? die_addr+0x41/0xa0
[ 4210.046548][ C2] ? exc_general_protection+0x149/0x220
[ 4210.046691][ C2] ? asm_exc_general_protection+0x26/0x30
[ 4210.046839][ C2] ? add_taint+0x2a/0x90
[ 4210.046952][ C2] ? sock_def_write_space_wfree+0x221/0x360
[ 4210.047127][ C2] sock_wfree+0x25f/0x3e0
[ 4210.047237][ C2] skb_release_head_state+0x7a/0x1e0
[ 4210.047376][ C2] consume_skb+0x76/0x110
[ 4210.047479][ C2] dummy_xmit+0x106/0x170
[ 4210.047584][ C2] ? trace_net_dev_start_xmit+0xff/0x170
[ 4210.047722][ C2] dev_hard_start_xmit+0x10e/0x360
[ 4210.047864][ C2] sch_direct_xmit+0x203/0x11c0
[ 4210.048008][ C2] ? __pfx_sch_direct_xmit+0x10/0x10
[ 4210.048149][ C2] __qdisc_run+0x1cd/0x3d0
[ 4210.048290][ C2] ? __pfx_lock_acquire.part.0+0x10/0x10
[ 4210.048438][ C2] ? __pfx___qdisc_run+0x10/0x10
[ 4210.048579][ C2] ? do_raw_spin_lock+0x131/0x270
[ 4210.048720][ C2] ? __pfx_do_raw_spin_lock+0x10/0x10
[ 4210.048856][ C2] ? lock_acquire+0x32/0xc0
[ 4210.048997][ C2] ? net_tx_action+0x3a5/0x680
[ 4210.049145][ C2] net_tx_action+0x3f6/0x680
[ 4210.049292][ C2] __do_softirq+0x1f8/0x5df
[ 4210.049434][ C2] irq_exit_rcu+0x97/0xc0
[ 4210.049540][ C2] sysvec_apic_timer_interrupt+0x75/0x80
[ 4210.049763][ C2]
[ 4210.049835][ C2]
[ 4210.049905][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20
[ 4210.050074][ C2] RIP: 0010:_raw_spin_unlock_irqrestore+0x43/0x70
[ 4210.050251][ C2] Code: 10 e8 b1 00 79 fd 48 89 ef e8 e9 70 79 fd 81 e3 00 02 00 00 75 1d 9c 58 f6 c4 02 75 29 48 85 db 74 01 fb 65 ff 0d 15 5c 8d 53 <74> 0e 5b 5d c3 cc cc cc cc e8 0f d1 9c fd eb dc 0f 1f 44 00 00 5b
[ 4210.050833][ C2] RSP: 0018:ffffc9000058fa80 EFLAGS: 00000282
[ 4210.051176][ C2] RAX: 0000000000000006 RBX: 0000000000000200 RCX: 1ffffffff5f458b4
[ 4210.051387][ C2] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffffac766dc1
[ 4210.051599][ C2] RBP: ffff8880010bfa80 R08: 0000000000000001 R09: fffffbfff5f432aa
[ 4210.051894][ C2] R10: ffffffffafa19557 R11: 0000000000000008 R12: ffff8880010bfa80
[ 4210.052100][ C2] R13: ffffea0000330000 R14: ffff88800196ac40 R15: ffff88800cc015b0
[ 4210.052308][ C2] ? _raw_spin_unlock_irqrestore+0x51/0x70
[ 4210.052565][ C2] get_partial_node.part.0+0x1c5/0x3a0
[ 4210.052705][ C2] ___slab_alloc+0xb70/0x10a0
[ 4210.052843][ C2] ? kmem_cache_alloc+0x42/0x270
[ 4210.052986][ C2] ? vm_area_alloc+0xe4/0x1b0
[ 4210.053206][ C2] ? __pfx___lock_release+0x10/0x10
[ 4210.053346][ C2] ? vm_area_alloc+0xe4/0x1b0
[ 4210.053482][ C2] ? kmem_cache_alloc+0x243/0x270
[ 4210.053620][ C2] kmem_cache_alloc+0x243/0x270
[ 4210.053761][ C2] vm_area_alloc+0xe4/0x1b0
[ 4210.053978][ C2] mmap_region+0x2a6/0x2110
[ 4210.054117][ C2] ? __pfx_arch_get_unmapped_area_topdown+0x10/0x10
[ 4210.054294][ C2] ? __pfx_mmap_region+0x10/0x10
[ 4210.054436][ C2] ? get_unmapped_area+0x209/0x310
[ 4210.054659][ C2] do_mmap+0x622/0xc70
[ 4210.054764][ C2] ? __lock_release+0x103/0x460
[ 4210.054902][ C2] ? __fget_files+0x1bc/0x410
[ 4210.055040][ C2] vm_mmap_pgoff+0x113/0x2f0
[ 4210.055262][ C2] ? __pfx_vm_mmap_pgoff+0x10/0x10
[ 4210.055398][ C2] ? __fget_files+0x1bc/0x410
[ 4210.055539][ C2] ? __fget_files+0x1c1/0x410
[ 4210.055684][ C2] ksys_mmap_pgoff+0x290/0x410
[ 4210.055903][ C2] do_syscall_64+0xc6/0x1e0
[ 4210.056041][ C2] entry_SYSCALL_64_after_hwframe+0x72/0x7a
[ 4210.056210][ C2] RIP: 0033:0x7fca18a2c287
[ 4210.056349][ C2] Code: c3 66 90 48 89 2b 48 c7 43 08 00 04 00 00 5b 5d 41 5c c3 f3 0f 1e fa 41 89 ca 41 f7 c1 ff 0f 00 00 75 10 b8 09 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 19 c3 c7 05 46 ef 00 00 16 00 00 00 48 c7 c0
[ 4210.056933][ C2] RSP: 002b:00007ffe97541b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
[ 4210.057142][ C2] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fca18a2c287
[ 4210.057430][ C2] RDX: 0000000000000003 RSI: 0000000000006000 RDI: 00007fca189e5000
[ 4210.057638][ C2] RBP: 00007ffe97542220 R08: 0000000000000005 R09: 00000000001f5000
[ 4210.057925][ C2] R10: 0000000000000812 R11: 0000000000000246 R12: 00007ffe97541ba0
[ 4210.058136][ C2] R13: 00007ffe975422c0 R14: 0000000000000000 R15: 00007fca189fd940
[ 4210.058345][ C2]
[ 4210.058448][ C2] Modules linked in: sch_fq sctp cls_bpf xt_length act_ct nf_flow_table nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 cls_matchall act_gact cls_flower sch_ingress bonding psample macsec ip6_gre ip_gre gre cls_u32 sch_htb sha1_generic xfrm_user xt_policy nft_compat nf_tables libcrc32c vxlan mpls_iptunnel mpls_router [last unloaded: test_bpf]
[ 4210.059475][ C2] ---[ end trace 0000000000000000 ]---
[ 4210.059618][ C2] RIP: 0010:sock_def_write_space_wfree+0x221/0x360
[ 4210.059799][ C2] Code: 00 4c 8b bb a0 01 00 00 be 08 00 00 00 4d 8d 77 08 4c 89 f7 e8 e0 0e 8b fe 4c 89 f2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 fe 00 00 00 49 8b 47 08 a8 04 0f 85 dc fe ff ff
[ 4210.060379][ C2] RSP: 0018:ffffc90000230c30 EFLAGS: 00010202
[ 4210.060554][ C2] RAX: dffffc0000000000 RBX: ffff88800bc2b340 RCX: ffffffffa9d9564a
[ 4210.060842][ C2] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffffffaf2fda00
[ 4210.061044][ C2] RBP: ffff88800bc2b3a0 R08: 0000000000000001 R09: fffffbfff5e5fb40
[ 4210.061334][ C2] R10: ffffffffaf2fda07 R11: 205d324320202020 R12: 0000000000000000
[ 4210.061541][ C2] R13: ffff88800bc2b4c0 R14: 0000000000000008 R15: 0000000000000000
[ 4210.061743][ C2] FS: 0000000000000000(0000) GS:ffff888036100000(0000) knlGS:0000000000000000
[ 4210.062147][ C2] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4210.062320][ C2] CR2: 00007fca189f8270 CR3: 00000000114e4003 CR4: 0000000000770ef0
[ 4210.062531][ C2] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4210.062824][ C2] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4210.063027][ C2] PKRU: 55555554
[ 4210.063136][ C2] Kernel panic - not syncing: Fatal exception in interrupt
[ 4210.063662][ C2] Kernel Offset: 0x28a00000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[ 4210.063984][ C2] ---[ end Kernel panic - not syncing: Fatal exception in interrupt ]---
WAIT TIMEOUT stderr
Ctrl-C stderr
Ctrl-C stderr
WAIT TIMEOUT stderr