syzkaller login: [ 43.223198] sshd (225) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:64599' (ECDSA) to the list of known hosts. 2023/05/18 09:39:50 fuzzer started 2023/05/18 09:39:51 dialing manager at localhost:44319 2023/05/18 09:39:51 checking machine... 2023/05/18 09:39:51 checking revisions... [ 44.596189] kmemleak: Automatic memory scanning thread ended 2023/05/18 09:39:51 testing simple program... [ 44.658697] cgroup: Unknown subsys name 'net' [ 44.733833] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 59.094964] audit: type=1400 audit(1684402805.766:6): avc: denied { execmem } for pid=260 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program [ 60.216666] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 60.219783] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 60.222189] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 60.226050] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 60.227825] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 60.230766] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 60.538186] ------------[ cut here ]------------ [ 60.539130] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 60.541424] WARNING: CPU: 1 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 60.543092] Modules linked in: [ 60.543663] CPU: 1 PID: 261 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 60.545914] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 60.548088] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 60.549382] 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 [ 60.551996] RSP: 0018:ffff888020287c00 EFLAGS: 00010282 [ 60.552778] RAX: 0000000000000000 RBX: ffff88800ae91840 RCX: 0000000000000000 [ 60.553839] RDX: ffff888015953680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 60.554915] RBP: ffff88800ae91854 R08: 0000000000000001 R09: 0000000000000000 [ 60.555976] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 60.557035] R13: ffffffff84e23fe0 R14: ffff88800ae91848 R15: ffffffff84d74dc0 [ 60.558106] FS: 00005555557a3400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 60.559307] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.560190] CR2: 00007f30326546f4 CR3: 0000000020242000 CR4: 0000000000350ee0 [ 60.561259] Call Trace: [ 60.561647] [ 60.562048] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 60.562807] ipv4_frags_init_net+0x269/0x440 [ 60.563513] ops_init+0xbb/0x6b0 [ 60.564088] setup_net+0x3d9/0x990 [ 60.564632] ? down_read_killable+0x1d7/0x4e0 [ 60.565346] ? __pfx_setup_net+0x10/0x10 [ 60.565996] ? copy_net_ns+0x17c/0x770 [ 60.566621] copy_net_ns+0x321/0x770 [ 60.567254] create_new_namespaces+0x3f6/0xb30 [ 60.568000] unshare_nsproxy_namespaces+0xc1/0x200 [ 60.568731] ksys_unshare+0x44d/0x8e0 [ 60.569354] ? __pfx_ksys_unshare+0x10/0x10 [ 60.570046] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 60.570967] __x64_sys_unshare+0x31/0x40 [ 60.571581] do_syscall_64+0x3f/0x90 [ 60.572195] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 60.573006] RIP: 0033:0x7f9ed40c90d7 [ 60.573570] 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 [ 60.576178] RSP: 002b:00007ffe3cfdcde8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 60.577319] RAX: ffffffffffffffda RBX: 00007ffe3cfdd428 RCX: 00007f9ed40c90d7 [ 60.578410] RDX: 00007f9ed413341f RSI: 00007ffe3cfdcd80 RDI: 0000000040000000 [ 60.579473] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe3cfdcb90 [ 60.580543] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f9ed41dbbf0 [ 60.581608] R13: 00007ffe3cfdcec0 R14: 0000000000000000 R15: 00000000000000f8 [ 60.582714] [ 60.583111] irq event stamp: 7431 [ 60.583618] hardirqs last enabled at (7441): [] __up_console_sem+0x78/0x80 [ 60.584906] hardirqs last disabled at (7454): [] __up_console_sem+0x5d/0x80 [ 60.586063] softirqs last enabled at (6910): [] irq_exit_rcu+0x93/0xc0 [ 60.587203] softirqs last disabled at (6905): [] irq_exit_rcu+0x93/0xc0 [ 60.588325] ---[ end trace 0000000000000000 ]--- [ 60.594415] ------------[ cut here ]------------ [ 60.595236] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 60.597023] WARNING: CPU: 1 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 60.598178] Modules linked in: [ 60.598660] CPU: 1 PID: 261 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 60.600090] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 60.601188] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 60.601860] 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 [ 60.604241] RSP: 0018:ffff888020287c00 EFLAGS: 00010282 [ 60.605139] RAX: 0000000000000000 RBX: ffff888016639a40 RCX: 0000000000000000 [ 60.606206] RDX: ffff888015953680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 60.607227] RBP: ffff888016639a54 R08: 0000000000000001 R09: 0000000000000000 [ 60.608228] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 60.609232] R13: ffffffff84e23fe0 R14: ffff888016639a48 R15: ffffffff84da7d60 [ 60.610239] FS: 00005555557a3400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 60.611363] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.612200] CR2: 00007f30326546f4 CR3: 0000000020242000 CR4: 0000000000350ee0 [ 60.613263] Call Trace: [ 60.613651] [ 60.614047] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 60.614806] ipv6_frags_init_net+0x206/0x3c0 [ 60.615502] ops_init+0xbb/0x6b0 [ 60.616060] setup_net+0x3d9/0x990 [ 60.616592] ? down_read_killable+0x1d7/0x4e0 [ 60.617307] ? __pfx_setup_net+0x10/0x10 [ 60.617952] ? copy_net_ns+0x17c/0x770 [ 60.618560] copy_net_ns+0x321/0x770 [ 60.619182] create_new_namespaces+0x3f6/0xb30 [ 60.619854] unshare_nsproxy_namespaces+0xc1/0x200 [ 60.620626] ksys_unshare+0x44d/0x8e0 [ 60.621250] ? __pfx_ksys_unshare+0x10/0x10 [ 60.621936] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 60.622777] __x64_sys_unshare+0x31/0x40 [ 60.623430] do_syscall_64+0x3f/0x90 [ 60.624040] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 60.624796] RIP: 0033:0x7f9ed40c90d7 [ 60.625383] 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 [ 60.627964] RSP: 002b:00007ffe3cfdcde8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 60.629077] RAX: ffffffffffffffda RBX: 00007ffe3cfdd428 RCX: 00007f9ed40c90d7 [ 60.630120] RDX: 00007f9ed413341f RSI: 00007ffe3cfdcd80 RDI: 0000000040000000 [ 60.631183] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe3cfdcb90 [ 60.632228] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f9ed41dbbf0 [ 60.633281] R13: 00007ffe3cfdcec0 R14: 0000000000000000 R15: 00000000000000f8 [ 60.634356] [ 60.634539] irq event stamp: 9389 [ 60.634790] hardirqs last enabled at (9399): [] __up_console_sem+0x78/0x80 [ 60.635418] hardirqs last disabled at (9410): [] __up_console_sem+0x5d/0x80 [ 60.636043] softirqs last enabled at (8998): [] irq_exit_rcu+0x93/0xc0 [ 60.636628] softirqs last disabled at (8989): [] irq_exit_rcu+0x93/0xc0 [ 60.637233] ---[ end trace 0000000000000000 ]--- [ 60.638091] ------------[ cut here ]------------ [ 60.638458] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 60.639540] WARNING: CPU: 1 PID: 261 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 60.640160] Modules linked in: [ 60.640397] CPU: 1 PID: 261 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 60.641074] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 60.641650] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 60.642045] 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 [ 60.643328] RSP: 0018:ffff888020287bf0 EFLAGS: 00010286 [ 60.643715] RAX: 0000000000000000 RBX: ffff888008d55640 RCX: 0000000000000000 [ 60.644236] RDX: ffff888015953680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 60.644739] RBP: ffff888008d55654 R08: 0000000000000001 R09: 0000000000000000 [ 60.645258] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 60.645762] R13: ffffffff84e23fe0 R14: ffff888008d55648 R15: ffffffff84db0aa0 [ 60.646285] FS: 00005555557a3400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 60.646848] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.647276] CR2: 00007f30326546f4 CR3: 0000000020242000 CR4: 0000000000350ee0 [ 60.647778] Call Trace: [ 60.647979] [ 60.648152] nf_ct_net_init+0x224/0x3d0 [ 60.648452] ? __pfx_nf_ct_net_init+0x10/0x10 [ 60.648786] ops_init+0xbb/0x6b0 [ 60.649061] setup_net+0x3d9/0x990 [ 60.649327] ? down_read_killable+0x1d7/0x4e0 [ 60.649651] ? __pfx_setup_net+0x10/0x10 [ 60.649964] ? copy_net_ns+0x17c/0x770 [ 60.650273] copy_net_ns+0x321/0x770 [ 60.650557] create_new_namespaces+0x3f6/0xb30 [ 60.650907] unshare_nsproxy_namespaces+0xc1/0x200 [ 60.651268] ksys_unshare+0x44d/0x8e0 [ 60.651555] ? __pfx_ksys_unshare+0x10/0x10 [ 60.651866] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 60.652293] __x64_sys_unshare+0x31/0x40 [ 60.652595] do_syscall_64+0x3f/0x90 [ 60.652873] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 60.653264] RIP: 0033:0x7f9ed40c90d7 [ 60.653538] 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 [ 60.654814] RSP: 002b:00007ffe3cfdcde8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 60.655343] RAX: ffffffffffffffda RBX: 00007ffe3cfdd428 RCX: 00007f9ed40c90d7 [ 60.655840] RDX: 00007f9ed413341f RSI: 00007ffe3cfdcd80 RDI: 0000000040000000 [ 60.656348] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe3cfdcb90 [ 60.656838] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f9ed41dbbf0 [ 60.657349] R13: 00007ffe3cfdcec0 R14: 0000000000000000 R15: 00000000000000f8 [ 60.657844] [ 60.658028] irq event stamp: 10131 [ 60.658291] hardirqs last enabled at (10141): [] __up_console_sem+0x78/0x80 [ 60.658877] hardirqs last disabled at (10150): [] __up_console_sem+0x5d/0x80 [ 60.659480] softirqs last enabled at (10082): [] irq_exit_rcu+0x93/0xc0 [ 60.660064] softirqs last disabled at (10077): [] irq_exit_rcu+0x93/0xc0 [ 60.660636] ---[ end trace 0000000000000000 ]--- [ 62.303664] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 64.351017] Bluetooth: hci0: command 0x041b tx timeout executing program [ 66.399041] Bluetooth: hci0: command 0x040f tx timeout executing program [ 68.446968] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 09:40:06 Registers: info registers vcpu 0 RAX=0000000000025ec7 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=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 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=00007ff07d8f8650 CR3=0000000016484000 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=dd13a79101754797b54731913f77473e XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d35f14e95510c1f600000000001104d0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=d5ecbbec33d5440000000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00002000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000030 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880202875e0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000030 R11=0000000000000001 R12=0000000000000030 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 00005555557a3400 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=00007f30326546f4 CR3=0000000020242000 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