Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:28630' (ECDSA) to the list of known hosts. 2023/05/17 21:29:34 fuzzer started 2023/05/17 21:29:34 dialing manager at localhost:44319 2023/05/17 21:29:34 checking machine... 2023/05/17 21:29:34 checking revisions... syzkaller login: [ 36.481903] kmemleak: Automatic memory scanning thread ended 2023/05/17 21:29:34 testing simple program... [ 36.546269] cgroup: Unknown subsys name 'net' [ 36.632563] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.399511] audit: type=1400 audit(1684358986.630:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 49.527041] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.528619] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.530386] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.533392] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.535514] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.537368] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 49.917490] ------------[ cut here ]------------ [ 49.918167] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 49.919813] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.920890] Modules linked in: [ 49.921300] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 49.925025] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.926055] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.926735] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 49.928912] RSP: 0018:ffff88800bb37c00 EFLAGS: 00010282 [ 49.929560] RAX: 0000000000000000 RBX: ffff88800dd75040 RCX: 0000000000000000 [ 49.930441] RDX: ffff888016a41b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 49.931315] RBP: ffff88800dd75054 R08: 0000000000000001 R09: 0000000000000000 [ 49.932220] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.933113] R13: ffffffff84e23fe0 R14: ffff88800dd75048 R15: ffffffff84d74dc0 [ 49.934000] FS: 00005555573c5400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 49.934983] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.935720] CR2: 00007f2dcb3146f4 CR3: 0000000015868000 CR4: 0000000000350ee0 [ 49.936581] Call Trace: [ 49.936942] [ 49.937238] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 49.937878] ipv4_frags_init_net+0x269/0x440 [ 49.938430] ops_init+0xbb/0x6b0 [ 49.938909] setup_net+0x3d9/0x990 [ 49.939360] ? down_read_killable+0x1d7/0x4e0 [ 49.939956] ? __pfx_setup_net+0x10/0x10 [ 49.940470] ? copy_net_ns+0x17c/0x770 [ 49.941010] copy_net_ns+0x321/0x770 [ 49.941486] create_new_namespaces+0x3f6/0xb30 [ 49.942105] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.942745] ksys_unshare+0x44d/0x8e0 [ 49.943233] ? __pfx_ksys_unshare+0x10/0x10 [ 49.943810] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.944530] __x64_sys_unshare+0x31/0x40 [ 49.945108] do_syscall_64+0x3f/0x90 [ 49.945807] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.946746] RIP: 0033:0x7f5c227f90d7 [ 49.947324] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 49.949663] RSP: 002b:00007ffca05c2b58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 49.950620] RAX: ffffffffffffffda RBX: 00007ffca05c3198 RCX: 00007f5c227f90d7 [ 49.951565] RDX: 00007f5c2286341f RSI: 00007ffca05c2af0 RDI: 0000000040000000 [ 49.952490] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffca05c2900 [ 49.953369] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f5c2290bbf0 [ 49.954262] R13: 00007ffca05c2c30 R14: 0000000000000000 R15: 00000000000000f8 [ 49.955189] [ 49.955489] irq event stamp: 7813 [ 49.955946] hardirqs last enabled at (7825): [] __up_console_sem+0x78/0x80 [ 49.957006] hardirqs last disabled at (7836): [] __up_console_sem+0x5d/0x80 [ 49.958057] softirqs last enabled at (7720): [] irq_exit_rcu+0x93/0xc0 [ 49.959081] softirqs last disabled at (7707): [] irq_exit_rcu+0x93/0xc0 [ 49.960141] ---[ end trace 0000000000000000 ]--- [ 49.965472] ------------[ cut here ]------------ [ 49.966202] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 49.967886] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.968968] Modules linked in: [ 49.969389] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 49.970579] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.971662] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.972316] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 49.974634] RSP: 0018:ffff88800bb37c00 EFLAGS: 00010282 [ 49.975327] RAX: 0000000000000000 RBX: ffff88800dc1a840 RCX: 0000000000000000 [ 49.976233] RDX: ffff888016a41b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 49.977160] RBP: ffff88800dc1a854 R08: 0000000000000001 R09: 0000000000000000 [ 49.978092] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 49.979028] R13: ffffffff84e23fe0 R14: ffff88800dc1a848 R15: ffffffff84da7d60 [ 49.979929] FS: 00005555573c5400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 49.980942] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.981691] CR2: 00007f2dcb3146f4 CR3: 0000000015868000 CR4: 0000000000350ee0 [ 49.982546] Call Trace: [ 49.982913] [ 49.983212] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 49.983865] ipv6_frags_init_net+0x206/0x3c0 [ 49.984446] ops_init+0xbb/0x6b0 [ 49.984929] setup_net+0x3d9/0x990 [ 49.985388] ? down_read_killable+0x1d7/0x4e0 [ 49.985988] ? __pfx_setup_net+0x10/0x10 [ 49.986497] ? copy_net_ns+0x17c/0x770 [ 49.987036] copy_net_ns+0x321/0x770 [ 49.987522] create_new_namespaces+0x3f6/0xb30 [ 49.988147] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.988808] ksys_unshare+0x44d/0x8e0 [ 49.989301] ? __pfx_ksys_unshare+0x10/0x10 [ 49.989878] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.990585] __x64_sys_unshare+0x31/0x40 [ 49.991126] do_syscall_64+0x3f/0x90 [ 49.991602] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.992281] RIP: 0033:0x7f5c227f90d7 [ 49.992793] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 49.994955] RSP: 002b:00007ffca05c2b58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 49.995914] RAX: ffffffffffffffda RBX: 00007ffca05c3198 RCX: 00007f5c227f90d7 [ 49.996818] RDX: 00007f5c2286341f RSI: 00007ffca05c2af0 RDI: 0000000040000000 [ 49.997723] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffca05c2900 [ 49.998591] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f5c2290bbf0 [ 49.999470] R13: 00007ffca05c2c30 R14: 0000000000000000 R15: 00000000000000f8 [ 50.000405] [ 50.000740] irq event stamp: 9767 [ 50.001165] hardirqs last enabled at (9777): [] __up_console_sem+0x78/0x80 [ 50.002225] hardirqs last disabled at (9788): [] __up_console_sem+0x5d/0x80 [ 50.003300] softirqs last enabled at (9572): [] irq_exit_rcu+0x93/0xc0 [ 50.004322] softirqs last disabled at (9563): [] irq_exit_rcu+0x93/0xc0 [ 50.005359] ---[ end trace 0000000000000000 ]--- [ 50.006742] ------------[ cut here ]------------ [ 50.007320] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.009255] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.010323] Modules linked in: [ 50.010758] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.012030] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.013078] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.013759] Code: 89 d8 4c 8b 43 08 48 c1 e8 03 42 80 3c 20 00 0f 85 af 00 00 00 48 8b 13 4c 89 e9 4c 89 fe 48 c7 c7 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 50.015940] RSP: 0018:ffff88800bb37bf0 EFLAGS: 00010286 [ 50.016601] RAX: 0000000000000000 RBX: ffff88800dc1a240 RCX: 0000000000000000 [ 50.017496] RDX: ffff888016a41b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.018386] RBP: ffff88800dc1a254 R08: 0000000000000001 R09: 0000000000000000 [ 50.019273] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.020155] R13: ffffffff84e23fe0 R14: ffff88800dc1a248 R15: ffffffff84db0aa0 [ 50.021066] FS: 00005555573c5400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.022057] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.022818] CR2: 00007f2dcb3146f4 CR3: 0000000015868000 CR4: 0000000000350ee0 [ 50.023755] Call Trace: [ 50.024073] [ 50.024365] nf_ct_net_init+0x224/0x3d0 [ 50.024900] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.025445] ops_init+0xbb/0x6b0 [ 50.025903] setup_net+0x3d9/0x990 [ 50.026336] ? down_read_killable+0x1d7/0x4e0 [ 50.026905] ? __pfx_setup_net+0x10/0x10 [ 50.027387] ? copy_net_ns+0x17c/0x770 [ 50.027908] copy_net_ns+0x321/0x770 [ 50.028376] create_new_namespaces+0x3f6/0xb30 [ 50.028963] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.029544] ksys_unshare+0x44d/0x8e0 [ 50.030062] ? __pfx_ksys_unshare+0x10/0x10 [ 50.030577] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.031275] __x64_sys_unshare+0x31/0x40 [ 50.031795] do_syscall_64+0x3f/0x90 [ 50.032268] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.032981] RIP: 0033:0x7f5c227f90d7 [ 50.033438] Code: 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 50.035598] RSP: 002b:00007ffca05c2b58 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.036539] RAX: ffffffffffffffda RBX: 00007ffca05c3198 RCX: 00007f5c227f90d7 [ 50.037429] RDX: 00007f5c2286341f RSI: 00007ffca05c2af0 RDI: 0000000040000000 [ 50.038320] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffca05c2900 [ 50.039203] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f5c2290bbf0 [ 50.040084] R13: 00007ffca05c2c30 R14: 0000000000000000 R15: 00000000000000f8 [ 50.041003] [ 50.041302] irq event stamp: 10585 [ 50.041757] hardirqs last enabled at (10597): [] __up_console_sem+0x78/0x80 [ 50.042824] hardirqs last disabled at (10608): [] __up_console_sem+0x5d/0x80 [ 50.044087] softirqs last enabled at (10522): [] irq_exit_rcu+0x93/0xc0 [ 50.045503] softirqs last disabled at (10517): [] irq_exit_rcu+0x93/0xc0 [ 50.046900] ---[ end trace 0000000000000000 ]--- executing program [ 51.548227] Bluetooth: hci0: command 0x0409 tx timeout [ 53.596429] Bluetooth: hci0: command 0x041b tx timeout executing program [ 55.643720] Bluetooth: hci0: command 0x040f tx timeout executing program [ 57.692718] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 21:29:48 Registers: info registers vcpu 0 RAX=0000000000029a1b RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f RFL=00000206 [-----P-] CPL=0 II=0 A20=1 SMM=0 HLT=1 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff88806ce00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f9881017a50 CR3=0000000015cae000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 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 XMM00=00000000000000000000000000000000 XMM01=60bf1b95a75dad83b94607c738736a9a XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=f50da590c3a18abe000000000013bfd8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=c8ab984ebebcec2a00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88800bb375f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00005555573c5400 00000000 00000000 GS =0000 ffff88806cf00000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f2dcb3146f4 CR3=0000000015868000 CR4=00350ee0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 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 XMM00=00000000000000000000000000000000 XMM01=00000000000000000000000000000000 XMM02=00000000000000000000000000000000 XMM03=00000000000000000000000000000000 XMM04=0000000000000000000000000000ff00 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000000000000000000000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000