syzkaller login: [ 34.320482] sshd (218) used greatest stack depth: 24168 bytes left Warning: Permanently added '[localhost]:30934' (ECDSA) to the list of known hosts. 2023/05/17 21:15:26 fuzzer started 2023/05/17 21:15:26 dialing manager at localhost:44319 2023/05/17 21:15:26 checking machine... 2023/05/17 21:15:26 checking revisions... [ 36.141072] kmemleak: Automatic memory scanning thread ended 2023/05/17 21:15:27 testing simple program... [ 36.214301] cgroup: Unknown subsys name 'net' [ 36.298297] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.009652] audit: type=1400 audit(1684358140.970:6): avc: denied { execmem } for pid=257 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 [ 51.141601] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.143883] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.147033] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.152011] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.153748] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.155036] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.538069] ------------[ cut here ]------------ [ 51.539240] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.541394] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.542825] Modules linked in: [ 51.543396] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.548544] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.549964] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.550911] 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 [ 51.554083] RSP: 0018:ffff8880200d7c00 EFLAGS: 00010282 [ 51.555085] RAX: 0000000000000000 RBX: ffff88800e954440 RCX: 0000000000000000 [ 51.556411] RDX: ffff888017f3d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.557688] RBP: ffff88800e954454 R08: 0000000000000001 R09: 0000000000000000 [ 51.558883] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.560095] R13: ffffffff84e23fe0 R14: ffff88800e954448 R15: ffffffff84d74dc0 [ 51.561301] FS: 000055555683e400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.562652] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.563726] CR2: 00007fd6fabd86f4 CR3: 0000000020108000 CR4: 0000000000350ef0 [ 51.564812] Call Trace: [ 51.565230] [ 51.565600] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.566443] ipv4_frags_init_net+0x269/0x440 [ 51.567198] ops_init+0xbb/0x6b0 [ 51.567832] setup_net+0x3d9/0x990 [ 51.568403] ? down_read_killable+0x1d7/0x4e0 [ 51.569145] ? __pfx_setup_net+0x10/0x10 [ 51.569836] ? copy_net_ns+0x17c/0x770 [ 51.570467] copy_net_ns+0x321/0x770 [ 51.571102] create_new_namespaces+0x3f6/0xb30 [ 51.571883] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.572646] ksys_unshare+0x44d/0x8e0 [ 51.573290] ? __pfx_ksys_unshare+0x10/0x10 [ 51.574021] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.574956] __x64_sys_unshare+0x31/0x40 [ 51.575607] do_syscall_64+0x3f/0x90 [ 51.576238] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.577081] RIP: 0033:0x7f47e24830d7 [ 51.577687] 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 [ 51.580369] RSP: 002b:00007ffd7c27eb38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.581364] RAX: ffffffffffffffda RBX: 00007ffd7c27f178 RCX: 00007f47e24830d7 [ 51.582299] RDX: 00007f47e24ed41f RSI: 00007ffd7c27ead0 RDI: 0000000040000000 [ 51.583250] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd7c27e8e0 [ 51.584206] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f47e2595bf0 [ 51.585135] R13: 00007ffd7c27ec10 R14: 0000000000000000 R15: 00000000000000f8 [ 51.586081] [ 51.586392] irq event stamp: 10453 [ 51.586876] hardirqs last enabled at (10465): [] __up_console_sem+0x78/0x80 [ 51.588020] hardirqs last disabled at (10476): [] __up_console_sem+0x5d/0x80 [ 51.589113] softirqs last enabled at (10224): [] irq_exit_rcu+0x93/0xc0 [ 51.590206] softirqs last disabled at (10219): [] irq_exit_rcu+0x93/0xc0 [ 51.591293] ---[ end trace 0000000000000000 ]--- [ 51.597123] ------------[ cut here ]------------ [ 51.597740] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.599563] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.600624] Modules linked in: [ 51.601065] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.602218] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.603242] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.603943] 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 [ 51.606123] RSP: 0018:ffff8880200d7c00 EFLAGS: 00010282 [ 51.606814] RAX: 0000000000000000 RBX: ffff88800d8ce840 RCX: 0000000000000000 [ 51.607728] RDX: ffff888017f3d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.608657] RBP: ffff88800d8ce854 R08: 0000000000000001 R09: 0000000000000000 [ 51.609595] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.610532] R13: ffffffff84e23fe0 R14: ffff88800d8ce848 R15: ffffffff84da7d60 [ 51.611463] FS: 000055555683e400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.612510] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.613309] CR2: 00007fd6fabd86f4 CR3: 0000000020108000 CR4: 0000000000350ef0 [ 51.614235] Call Trace: [ 51.614583] [ 51.614920] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.615573] ipv6_frags_init_net+0x206/0x3c0 [ 51.616189] ops_init+0xbb/0x6b0 [ 51.616657] setup_net+0x3d9/0x990 [ 51.617161] ? down_read_killable+0x1d7/0x4e0 [ 51.617786] ? __pfx_setup_net+0x10/0x10 [ 51.618327] ? copy_net_ns+0x17c/0x770 [ 51.618894] copy_net_ns+0x321/0x770 [ 51.619422] create_new_namespaces+0x3f6/0xb30 [ 51.620048] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.620684] ksys_unshare+0x44d/0x8e0 [ 51.621222] ? __pfx_ksys_unshare+0x10/0x10 [ 51.621826] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.622576] __x64_sys_unshare+0x31/0x40 [ 51.623136] do_syscall_64+0x3f/0x90 [ 51.623643] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.624347] RIP: 0033:0x7f47e24830d7 [ 51.624857] 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 [ 51.627106] RSP: 002b:00007ffd7c27eb38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.628118] RAX: ffffffffffffffda RBX: 00007ffd7c27f178 RCX: 00007f47e24830d7 [ 51.629036] RDX: 00007f47e24ed41f RSI: 00007ffd7c27ead0 RDI: 0000000040000000 [ 51.629954] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd7c27e8e0 [ 51.630885] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f47e2595bf0 [ 51.631820] R13: 00007ffd7c27ec10 R14: 0000000000000000 R15: 00000000000000f8 [ 51.632734] [ 51.633095] irq event stamp: 11961 [ 51.633544] hardirqs last enabled at (11971): [] __up_console_sem+0x78/0x80 [ 51.634648] hardirqs last disabled at (11982): [] __up_console_sem+0x5d/0x80 [ 51.635792] softirqs last enabled at (11954): [] irq_exit_rcu+0x93/0xc0 [ 51.636885] softirqs last disabled at (11949): [] irq_exit_rcu+0x93/0xc0 [ 51.637967] ---[ end trace 0000000000000000 ]--- [ 51.639376] ------------[ cut here ]------------ [ 51.640073] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.642121] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.643226] Modules linked in: [ 51.643659] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.644884] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.645953] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.646621] 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 [ 51.648907] RSP: 0018:ffff8880200d7bf0 EFLAGS: 00010286 [ 51.649585] RAX: 0000000000000000 RBX: ffff88800d8ce240 RCX: 0000000000000000 [ 51.650523] RDX: ffff888017f3d1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.651479] RBP: ffff88800d8ce254 R08: 0000000000000001 R09: 0000000000000000 [ 51.652403] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.653328] R13: ffffffff84e23fe0 R14: ffff88800d8ce248 R15: ffffffff84db0aa0 [ 51.654257] FS: 000055555683e400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.655308] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.656105] CR2: 00007fd6fabd86f4 CR3: 0000000020108000 CR4: 0000000000350ef0 [ 51.657033] Call Trace: [ 51.657372] [ 51.657686] nf_ct_net_init+0x224/0x3d0 [ 51.658260] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.658894] ops_init+0xbb/0x6b0 [ 51.659382] setup_net+0x3d9/0x990 [ 51.659892] ? down_read_killable+0x1d7/0x4e0 [ 51.660490] ? __pfx_setup_net+0x10/0x10 [ 51.661052] ? copy_net_ns+0x17c/0x770 [ 51.661581] copy_net_ns+0x321/0x770 [ 51.662119] create_new_namespaces+0x3f6/0xb30 [ 51.662727] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.663414] ksys_unshare+0x44d/0x8e0 [ 51.663967] ? __pfx_ksys_unshare+0x10/0x10 [ 51.664534] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.665304] __x64_sys_unshare+0x31/0x40 [ 51.665883] do_syscall_64+0x3f/0x90 [ 51.666391] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.667112] RIP: 0033:0x7f47e24830d7 [ 51.667608] 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 [ 51.669865] RSP: 002b:00007ffd7c27eb38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.670876] RAX: ffffffffffffffda RBX: 00007ffd7c27f178 RCX: 00007f47e24830d7 [ 51.671827] RDX: 00007f47e24ed41f RSI: 00007ffd7c27ead0 RDI: 0000000040000000 [ 51.672721] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd7c27e8e0 [ 51.673644] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f47e2595bf0 [ 51.674567] R13: 00007ffd7c27ec10 R14: 0000000000000000 R15: 00000000000000f8 [ 51.675529] [ 51.675870] irq event stamp: 12723 [ 51.676323] hardirqs last enabled at (12733): [] __up_console_sem+0x78/0x80 [ 51.677432] hardirqs last disabled at (12744): [] __up_console_sem+0x5d/0x80 [ 51.678531] softirqs last enabled at (12208): [] irq_exit_rcu+0x93/0xc0 [ 51.679635] softirqs last disabled at (12185): [] irq_exit_rcu+0x93/0xc0 [ 51.680701] ---[ end trace 0000000000000000 ]--- [ 53.221454] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.271345] Bluetooth: hci0: command 0x041b tx timeout executing program [ 57.316896] Bluetooth: hci0: command 0x040f tx timeout [ 59.364861] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 21:15:42 Registers: info registers vcpu 0 RAX=0000000000000065 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880200d75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000065 R11=0000000000000001 R12=0000000000000065 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 000055555683e400 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=00007fd6fabd86f4 CR3=0000000020108000 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=000000000002525d 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=00007f90cc31ae10 CR3=0000000016604000 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=48f8007a21fd32b4bd49dd535920c097 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=feff9b39db674ede000000000013c018 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=a620223fea4ffedd00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000