syzkaller login: [ 34.176262] sshd (226) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:34089' (ECDSA) to the list of known hosts. 2023/05/17 14:08:42 fuzzer started 2023/05/17 14:08:43 dialing manager at localhost:44319 2023/05/17 14:08:43 checking machine... 2023/05/17 14:08:43 checking revisions... [ 35.354043] kmemleak: Automatic memory scanning thread ended 2023/05/17 14:08:43 testing simple program... [ 35.420685] cgroup: Unknown subsys name 'net' [ 35.492276] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.389079] audit: type=1400 audit(1684332536.467:6): 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 [ 49.548717] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.550679] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.553104] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.555415] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.557330] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.558676] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 49.941524] ------------[ cut here ]------------ [ 49.942319] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 49.944354] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.945605] Modules linked in: [ 49.946160] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 49.951158] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.952423] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.953268] 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 [ 49.955963] RSP: 0018:ffff88801f517c00 EFLAGS: 00010282 [ 49.956758] RAX: 0000000000000000 RBX: ffff88800c949040 RCX: 0000000000000000 [ 49.957865] RDX: ffff88801909d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 49.958970] RBP: ffff88800c949054 R08: 0000000000000001 R09: 0000000000000000 [ 49.960053] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 49.960942] R13: ffffffff84e23fe0 R14: ffff88800c949048 R15: ffffffff84d74dc0 [ 49.961824] FS: 0000555556b88400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 49.962817] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.963530] CR2: 00007f2f65c716f4 CR3: 000000002032c000 CR4: 0000000000350ef0 [ 49.964422] Call Trace: [ 49.964749] [ 49.965081] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 49.965691] ipv4_frags_init_net+0x269/0x440 [ 49.966277] ops_init+0xbb/0x6b0 [ 49.966723] setup_net+0x3d9/0x990 [ 49.967205] ? down_read_killable+0x1d7/0x4e0 [ 49.967810] ? __pfx_setup_net+0x10/0x10 [ 49.968315] ? copy_net_ns+0x17c/0x770 [ 49.968847] copy_net_ns+0x321/0x770 [ 49.969329] create_new_namespaces+0x3f6/0xb30 [ 49.969943] unshare_nsproxy_namespaces+0xc1/0x200 [ 49.970550] ksys_unshare+0x44d/0x8e0 [ 49.971069] ? __pfx_ksys_unshare+0x10/0x10 [ 49.971628] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 49.972378] __x64_sys_unshare+0x31/0x40 [ 49.972923] do_syscall_64+0x3f/0x90 [ 49.973401] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 49.974072] RIP: 0033:0x7f2fb7b9c0d7 [ 49.974532] 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 [ 49.976693] RSP: 002b:00007ffe64694988 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 49.977636] RAX: ffffffffffffffda RBX: 00007ffe64694fc8 RCX: 00007f2fb7b9c0d7 [ 49.978538] RDX: 00007f2fb7c0641f RSI: 00007ffe64694920 RDI: 0000000040000000 [ 49.979421] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe64694730 [ 49.980315] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f2fb7caebf0 [ 49.981202] R13: 00007ffe64694a60 R14: 0000000000000000 R15: 00000000000000f8 [ 49.982115] [ 49.982413] irq event stamp: 8397 [ 49.982867] hardirqs last enabled at (8409): [] __up_console_sem+0x78/0x80 [ 49.983924] hardirqs last disabled at (8420): [] __up_console_sem+0x5d/0x80 [ 49.984965] softirqs last enabled at (8304): [] irq_exit_rcu+0x93/0xc0 [ 49.985984] softirqs last disabled at (8299): [] irq_exit_rcu+0x93/0xc0 [ 49.987006] ---[ end trace 0000000000000000 ]--- [ 49.992594] ------------[ cut here ]------------ [ 49.993226] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 49.994994] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 49.996061] Modules linked in: [ 49.996463] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 49.997614] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.998624] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 49.999312] 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 [ 50.001490] RSP: 0018:ffff88801f517c00 EFLAGS: 00010282 [ 50.002178] RAX: 0000000000000000 RBX: ffff888015992a40 RCX: 0000000000000000 [ 50.003063] RDX: ffff88801909d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.003973] RBP: ffff888015992a54 R08: 0000000000000001 R09: 0000000000000000 [ 50.004851] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.005695] R13: ffffffff84e23fe0 R14: ffff888015992a48 R15: ffffffff84da7d60 [ 50.006588] FS: 0000555556b88400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.007594] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.008342] CR2: 00007f2f65c716f4 CR3: 000000002032c000 CR4: 0000000000350ef0 [ 50.009231] Call Trace: [ 50.009559] [ 50.009888] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.010503] ipv6_frags_init_net+0x206/0x3c0 [ 50.011098] ops_init+0xbb/0x6b0 [ 50.011565] setup_net+0x3d9/0x990 [ 50.012064] ? down_read_killable+0x1d7/0x4e0 [ 50.012640] ? __pfx_setup_net+0x10/0x10 [ 50.013180] ? copy_net_ns+0x17c/0x770 [ 50.013692] copy_net_ns+0x321/0x770 [ 50.014221] create_new_namespaces+0x3f6/0xb30 [ 50.014844] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.015461] ksys_unshare+0x44d/0x8e0 [ 50.015995] ? __pfx_ksys_unshare+0x10/0x10 [ 50.016537] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.017272] __x64_sys_unshare+0x31/0x40 [ 50.017812] do_syscall_64+0x3f/0x90 [ 50.018287] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.018957] RIP: 0033:0x7f2fb7b9c0d7 [ 50.019418] 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 [ 50.021582] RSP: 002b:00007ffe64694988 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.022527] RAX: ffffffffffffffda RBX: 00007ffe64694fc8 RCX: 00007f2fb7b9c0d7 [ 50.023420] RDX: 00007f2fb7c0641f RSI: 00007ffe64694920 RDI: 0000000040000000 [ 50.024306] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe64694730 [ 50.025198] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f2fb7caebf0 [ 50.026087] R13: 00007ffe64694a60 R14: 0000000000000000 R15: 00000000000000f8 [ 50.027006] [ 50.027309] irq event stamp: 10229 [ 50.027747] hardirqs last enabled at (10239): [] __up_console_sem+0x78/0x80 [ 50.028826] hardirqs last disabled at (10252): [] __up_console_sem+0x5d/0x80 [ 50.029877] softirqs last enabled at (9724): [] irq_exit_rcu+0x93/0xc0 [ 50.030884] softirqs last disabled at (9681): [] irq_exit_rcu+0x93/0xc0 [ 50.031943] ---[ end trace 0000000000000000 ]--- [ 50.033311] ------------[ cut here ]------------ [ 50.033953] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.035848] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.036920] Modules linked in: [ 50.037325] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.038482] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.039541] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.040256] 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 [ 50.042453] RSP: 0018:ffff88801f517bf0 EFLAGS: 00010286 [ 50.043141] RAX: 0000000000000000 RBX: ffff888015993240 RCX: 0000000000000000 [ 50.044080] RDX: ffff88801909d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.044968] RBP: ffff888015993254 R08: 0000000000000001 R09: 0000000000000000 [ 50.045890] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.046758] R13: ffffffff84e23fe0 R14: ffff888015993248 R15: ffffffff84db0aa0 [ 50.047663] FS: 0000555556b88400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.048694] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.049431] CR2: 00007f2f65c716f4 CR3: 000000002032c000 CR4: 0000000000350ef0 [ 50.050356] Call Trace: [ 50.050690] [ 50.051022] nf_ct_net_init+0x224/0x3d0 [ 50.051578] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.052210] ops_init+0xbb/0x6b0 [ 50.052678] setup_net+0x3d9/0x990 [ 50.053186] ? down_read_killable+0x1d7/0x4e0 [ 50.053805] ? __pfx_setup_net+0x10/0x10 [ 50.054331] ? copy_net_ns+0x17c/0x770 [ 50.054891] copy_net_ns+0x321/0x770 [ 50.055395] create_new_namespaces+0x3f6/0xb30 [ 50.056046] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.056680] ksys_unshare+0x44d/0x8e0 [ 50.057214] ? __pfx_ksys_unshare+0x10/0x10 [ 50.057813] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.058558] __x64_sys_unshare+0x31/0x40 [ 50.059132] do_syscall_64+0x3f/0x90 [ 50.059652] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.060353] RIP: 0033:0x7f2fb7b9c0d7 [ 50.060861] 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 [ 50.063079] RSP: 002b:00007ffe64694988 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.064080] RAX: ffffffffffffffda RBX: 00007ffe64694fc8 RCX: 00007f2fb7b9c0d7 [ 50.064997] RDX: 00007f2fb7c0641f RSI: 00007ffe64694920 RDI: 0000000040000000 [ 50.065895] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe64694730 [ 50.066809] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f2fb7caebf0 [ 50.067698] R13: 00007ffe64694a60 R14: 0000000000000000 R15: 00000000000000f8 [ 50.068646] [ 50.068987] irq event stamp: 11035 [ 50.069438] hardirqs last enabled at (11045): [] __up_console_sem+0x78/0x80 [ 50.070524] hardirqs last disabled at (11056): [] __up_console_sem+0x5d/0x80 [ 50.071634] softirqs last enabled at (10582): [] irq_exit_rcu+0x93/0xc0 [ 50.072675] softirqs last disabled at (10577): [] irq_exit_rcu+0x93/0xc0 [ 50.073742] ---[ end trace 0000000000000000 ]--- executing program [ 51.573311] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 53.619883] Bluetooth: hci0: command 0x041b tx timeout [ 55.667841] Bluetooth: hci0: command 0x040f tx timeout executing program [ 57.715881] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 14:08:58 Registers: info registers vcpu 0 RAX=000000000000002e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801f5175f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002e R11=0000000000000001 R12=000000000000002e 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 0000555556b88400 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=00007f2f65c716f4 CR3=000000002032c000 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=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 info registers vcpu 1 RAX=0000000000026b23 RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f RFL=00000202 [-------] 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 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=00007f8ed86256f4 CR3=000000000ee0e000 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=0ce57a31e9ce9a8f2a468f184c30b79c XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=2900552427e1a248000000000013bbd0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=4b0c78b71da2d8d800000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200000200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000