syzkaller login: [ 108.867574][ T148] cfg80211: failed to load regulatory.db Warning: Permanently added '[localhost]:25257' (ED25519) to the list of known hosts. executing program [ 109.489187][ T5304] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 109.495337][ T5304] #PF: supervisor instruction fetch in kernel mode [ 109.501511][ T5304] #PF: error_code(0x0010) - not-present page [ 109.506923][ T5304] PGD 0 P4D 0 [ 109.510758][ T5304] Oops: Oops: 0010 [#1] SMP KASAN NOPTI [ 109.513863][ T5304] CPU: 0 UID: 0 PID: 5304 Comm: syz-executor294 Not tainted 6.14.0-syzkaller-02665-g1e26c5e28ca5 #0 PREEMPT(full) [ 109.522083][ T5304] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 109.529082][ T5304] RIP: 0010:0x0 [ 109.531451][ T5304] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 109.552518][ T5304] RSP: 0018:ffffc9000314f8b8 EFLAGS: 00010293 [ 109.561708][ T5304] RAX: ffffffff81fdbd4a RBX: 0000000000000000 RCX: ffff888000bb0000 [ 109.571519][ T5304] RDX: 0000000000000000 RSI: ffffea000120e1c0 RDI: ffff8880340378c0 [ 109.574746][ T5304] RBP: ffffc9000314f980 R08: ffffffff81fdbd0e R09: 1ffffd4000241c38 [ 109.577560][ T5304] R10: dffffc0000000000 R11: 0000000000000000 R12: 1ffffd4000241c38 [ 109.580351][ T5304] R13: ffffea000120e1c0 R14: ffffc9000314f900 R15: 1ffffd4000241c39 [ 109.604504][ T5304] FS: 000055558bdf7380(0000) GS:ffff88808c825000(0000) knlGS:0000000000000000 [ 109.611398][ T5304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 109.614891][ T5304] CR2: ffffffffffffffd6 CR3: 000000004091a000 CR4: 0000000000352ef0 [ 109.621088][ T5304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 109.629268][ T5304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 109.633585][ T5304] Call Trace: [ 109.641491][ T5304] [ 109.642953][ T5304] ? __die_body+0x5f/0xb0 [ 109.646277][ T5304] ? page_fault_oops+0x991/0xd80 [ 109.651069][ T5304] ? __pfx_page_fault_oops+0x10/0x10 [ 109.653039][ T5304] ? __lock_acquire+0xad5/0xd80 [ 109.659584][ T5304] ? rcu_is_watching+0x15/0xb0 [ 109.664361][ T5304] ? is_errata93+0xbe/0x260 [ 109.666307][ T5304] ? exc_page_fault+0x5f1/0x8b0 [ 109.668385][ T5304] ? asm_exc_page_fault+0x26/0x30 [ 109.676161][ T5304] ? filemap_read_folio+0xfe/0x3b0 [ 109.680946][ T5304] ? filemap_read_folio+0x13a/0x3b0 [ 109.683054][ T5304] filemap_read_folio+0x14a/0x3b0 [ 109.695588][ T5304] ? __pfx_filemap_read_folio+0x10/0x10 [ 109.698752][ T5304] ? __filemap_get_folio+0x9d2/0xb40 [ 109.701143][ T5304] do_read_cache_folio+0x373/0x5b0 [ 109.703388][ T5304] freader_get_folio+0x54d/0x880 [ 109.711324][ T5304] freader_fetch+0x9d/0x5b0 [ 109.713359][ T5304] ? mt_find+0x699/0x8f0 [ 109.721055][ T5304] __build_id_parse+0x185/0x8e0 [ 109.723214][ T5304] ? __pfx___build_id_parse+0x10/0x10 [ 109.733679][ T5304] procfs_procmap_ioctl+0xd09/0x1680 [ 109.739569][ T5304] ? __pfx_procfs_procmap_ioctl+0x10/0x10 [ 109.745505][ T5304] ? __x64_sys_openat+0x249/0x2a0 [ 109.750168][ T5304] ? __pfx_procfs_procmap_ioctl+0x10/0x10 [ 109.754909][ T5304] __se_sys_ioctl+0xf1/0x160 [ 109.759272][ T5304] do_syscall_64+0xf3/0x230 [ 109.763815][ T5304] ? clear_bhb_loop+0x45/0xa0 [ 109.767734][ T5304] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 109.775731][ T5304] RIP: 0033:0x7fe818bec6e9 [ 109.780603][ T5304] Code: 48 83 c4 28 c3 e8 37 17 00 00 0f 1f 80 00 00 00 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 [ 109.802036][ T5304] RSP: 002b:00007ffcdb6f1438 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 109.810443][ T5304] RAX: ffffffffffffffda RBX: 00007ffcdb6f1440 RCX: 00007fe818bec6e9 [ 109.817546][ T5304] RDX: 0000200000000180 RSI: 00000000c0686611 RDI: 0000000000000004 [ 109.824507][ T5304] RBP: 00007fe818c5f610 R08: 0000000000000000 R09: 65732f636f72702f [ 109.834047][ T5304] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 109.841767][ T5304] R13: 00007ffcdb6f1678 R14: 0000000000000001 R15: 0000000000000001 [ 109.851378][ T5304] [ 109.855213][ T5304] Modules linked in: [ 109.859218][ T5304] CR2: 0000000000000000 [ 109.863203][ T5304] ---[ end trace 0000000000000000 ]--- [ 109.869784][ T5304] RIP: 0010:0x0 [ 109.872525][ T5304] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 109.881502][ T5304] RSP: 0018:ffffc9000314f8b8 EFLAGS: 00010293 [ 109.889298][ T5304] RAX: ffffffff81fdbd4a RBX: 0000000000000000 RCX: ffff888000bb0000 [ 109.895267][ T5304] RDX: 0000000000000000 RSI: ffffea000120e1c0 RDI: ffff8880340378c0 [ 109.904789][ T5304] RBP: ffffc9000314f980 R08: ffffffff81fdbd0e R09: 1ffffd4000241c38 [ 109.907714][ T5304] R10: dffffc0000000000 R11: 0000000000000000 R12: 1ffffd4000241c38 [ 109.916109][ T5304] R13: ffffea000120e1c0 R14: ffffc9000314f900 R15: 1ffffd4000241c39 [ 109.920850][ T5304] FS: 000055558bdf7380(0000) GS:ffff88808c825000(0000) knlGS:0000000000000000 [ 109.927580][ T5304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 109.935822][ T5304] CR2: ffffffffffffffd6 CR3: 000000004091a000 CR4: 0000000000352ef0 [ 109.939065][ T5304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 109.942422][ T5304] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 109.956133][ T5304] Kernel panic - not syncing: Fatal exception [ 109.965060][ T5304] Kernel Offset: disabled [ 109.966760][ T5304] Rebooting in 86400 seconds.. VM DIAGNOSIS: 19:25:26 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000073 RBX=ffffffff9a7f3200 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc9000314ef30 R8 =ffffffff858c1e1b R9 =1ffff11003d35046 R10=dffffc0000000000 R11=ffffffff858c1dd0 R12=dffffc0000000000 R13=0000000000000073 R14=0000000000000073 R15=00000000000003f8 RIP=ffffffff858c1e4e RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 ffffffff 00c00000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 000055558bdf7380 ffffffff 00c00000 GS =0000 ffff88808c825000 ffffffff 00c00000 LDT=0000 0000000000000000 ffffffff 00c00000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000000000000000 CR3=000000004091a000 CR4=00352ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000fffe0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 Opmask00=0000000000280001 Opmask01=0000000000000001 Opmask02=00000000fff7ffff Opmask03=0000000000000000 Opmask04=0000000000000000 Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffcdb6f1440 0000003000000018 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fe818c6aa60 00007fe818c5f5f8 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fe818c50e84 00007fe818c64240 ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM16=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM17=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2525252525252525 2525252525252525 2525252525252525 2525252525252525 ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 666c65732f636f72 702f0073252f666c 65732d6461657268 742f636f72702f00 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 434940560a464a57 550a0056000a4349 405608414440574d 510a464a57550a00 ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM27=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM28=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM29=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM30=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM31=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000