syzkaller login: [ 35.249975] sshd (226) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:2046' (ECDSA) to the list of known hosts. 2023/05/16 15:30:54 fuzzer started 2023/05/16 15:30:55 dialing manager at localhost:35573 2023/05/16 15:30:55 checking machine... 2023/05/16 15:30:55 checking revisions... [ 36.527004] kmemleak: Automatic memory scanning thread ended 2023/05/16 15:30:55 testing simple program... [ 36.598737] cgroup: Unknown subsys name 'net' [ 36.665365] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.301497] audit: type=1400 audit(1684251068.131:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 50.413708] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.415556] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.417183] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.420797] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.423659] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.425055] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.882045] ------------[ cut here ]------------ [ 50.882803] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.884676] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.885931] Modules linked in: [ 50.886471] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.891916] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.893156] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.893930] 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 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 50.896564] RSP: 0018:ffff88801ff77c00 EFLAGS: 00010282 [ 50.897366] RAX: 0000000000000000 RBX: ffff888016546040 RCX: 0000000000000000 [ 50.898428] RDX: ffff8880159fd1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.899480] RBP: ffff888016546054 R08: 0000000000000001 R09: 0000000000000000 [ 50.900538] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.901583] R13: ffffffff84e223a0 R14: ffff888016546048 R15: ffffffff84d73340 [ 50.902665] FS: 00005555565a8400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.903848] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.904730] CR2: 00007f53175586f4 CR3: 000000002038c000 CR4: 0000000000350ee0 [ 50.905776] Call Trace: [ 50.906192] [ 50.906565] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.907322] ipv4_frags_init_net+0x269/0x440 [ 50.907977] ops_init+0xbb/0x6b0 [ 50.908531] setup_net+0x3d9/0x990 [ 50.909061] ? down_read_killable+0x1d7/0x4e0 [ 50.909764] ? __pfx_setup_net+0x10/0x10 [ 50.910417] ? copy_net_ns+0x17c/0x770 [ 50.911010] copy_net_ns+0x321/0x770 [ 50.911606] create_new_namespaces+0x3f6/0xb30 [ 50.912347] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.913072] ksys_unshare+0x44d/0x8e0 [ 50.913691] ? __pfx_ksys_unshare+0x10/0x10 [ 50.914395] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.915278] __x64_sys_unshare+0x31/0x40 [ 50.915886] do_syscall_64+0x3f/0x90 [ 50.916484] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.917262] RIP: 0033:0x7f93085100d7 [ 50.917794] 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 [ 50.920304] RSP: 002b:00007ffd0d445af8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.921379] RAX: ffffffffffffffda RBX: 00007ffd0d446138 RCX: 00007f93085100d7 [ 50.922423] RDX: 00007f930857a41f RSI: 00007ffd0d445a90 RDI: 0000000040000000 [ 50.923441] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd0d4458a0 [ 50.924451] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9308622bf0 [ 50.925449] R13: 00007ffd0d445bd0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.926519] [ 50.926861] irq event stamp: 7847 [ 50.927380] hardirqs last enabled at (7859): [] __up_console_sem+0x78/0x80 [ 50.928635] hardirqs last disabled at (7870): [] __up_console_sem+0x5d/0x80 [ 50.929905] softirqs last enabled at (7652): [] irq_exit_rcu+0x93/0xc0 [ 50.931157] softirqs last disabled at (7647): [] irq_exit_rcu+0x93/0xc0 [ 50.932387] ---[ end trace 0000000000000000 ]--- [ 50.938574] ------------[ cut here ]------------ [ 50.939329] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.941403] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.942697] Modules linked in: [ 50.943244] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.944706] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.945972] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.946817] 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 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 50.949523] RSP: 0018:ffff88801ff77c00 EFLAGS: 00010282 [ 50.950395] RAX: 0000000000000000 RBX: ffff88800dc3d840 RCX: 0000000000000000 [ 50.951560] RDX: ffff8880159fd1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.952713] RBP: ffff88800dc3d854 R08: 0000000000000001 R09: 0000000000000000 [ 50.953865] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.955016] R13: ffffffff84e223a0 R14: ffff88800dc3d848 R15: ffffffff84da62e0 [ 50.956171] FS: 00005555565a8400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.957446] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.958394] CR2: 00007f53175586f4 CR3: 000000002038c000 CR4: 0000000000350ee0 [ 50.959396] Call Trace: [ 50.959751] [ 50.960067] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.960752] ipv6_frags_init_net+0x206/0x3c0 [ 50.961372] ops_init+0xbb/0x6b0 [ 50.961841] setup_net+0x3d9/0x990 [ 50.962341] ? down_read_killable+0x1d7/0x4e0 [ 50.962952] ? __pfx_setup_net+0x10/0x10 [ 50.963513] ? copy_net_ns+0x17c/0x770 [ 50.964036] copy_net_ns+0x321/0x770 [ 50.964564] create_new_namespaces+0x3f6/0xb30 [ 50.965214] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.965861] ksys_unshare+0x44d/0x8e0 [ 50.966417] ? __pfx_ksys_unshare+0x10/0x10 [ 50.967009] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.967788] __x64_sys_unshare+0x31/0x40 [ 50.968361] do_syscall_64+0x3f/0x90 [ 50.968865] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.969578] RIP: 0033:0x7f93085100d7 [ 50.970069] 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 [ 50.972390] RSP: 002b:00007ffd0d445af8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.973379] RAX: ffffffffffffffda RBX: 00007ffd0d446138 RCX: 00007f93085100d7 [ 50.974325] RDX: 00007f930857a41f RSI: 00007ffd0d445a90 RDI: 0000000040000000 [ 50.975298] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd0d4458a0 [ 50.976243] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9308622bf0 [ 50.977192] R13: 00007ffd0d445bd0 R14: 0000000000000000 R15: 00000000000000f8 [ 50.978118] [ 50.978477] irq event stamp: 9907 [ 50.978926] hardirqs last enabled at (9917): [] __up_console_sem+0x78/0x80 [ 50.980059] hardirqs last disabled at (9928): [] __up_console_sem+0x5d/0x80 [ 50.981180] softirqs last enabled at (9856): [] irq_exit_rcu+0x93/0xc0 [ 50.982278] softirqs last disabled at (9851): [] irq_exit_rcu+0x93/0xc0 [ 50.983380] ---[ end trace 0000000000000000 ]--- [ 50.985538] ------------[ cut here ]------------ [ 50.986185] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.988284] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.989414] Modules linked in: [ 50.989839] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.991081] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.992161] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.992835] 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 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 50.995159] RSP: 0018:ffff88801ff77bf0 EFLAGS: 00010286 [ 50.995859] RAX: 0000000000000000 RBX: ffff88800dc3d240 RCX: 0000000000000000 [ 50.996801] RDX: ffff8880159fd1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.997753] RBP: ffff88800dc3d254 R08: 0000000000000001 R09: 0000000000000000 [ 50.998705] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.999679] R13: ffffffff84e223a0 R14: ffff88800dc3d248 R15: ffffffff84daf020 [ 51.000627] FS: 00005555565a8400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.001700] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.002515] CR2: 00007f53175586f4 CR3: 000000002038c000 CR4: 0000000000350ee0 [ 51.003461] Call Trace: [ 51.003802] [ 51.004151] nf_ct_net_init+0x224/0x3d0 [ 51.004700] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.005336] ops_init+0xbb/0x6b0 [ 51.005810] setup_net+0x3d9/0x990 [ 51.006315] ? down_read_killable+0x1d7/0x4e0 [ 51.006926] ? __pfx_setup_net+0x10/0x10 [ 51.007472] ? copy_net_ns+0x17c/0x770 [ 51.007990] copy_net_ns+0x321/0x770 [ 51.008548] create_new_namespaces+0x3f6/0xb30 [ 51.009205] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.009855] ksys_unshare+0x44d/0x8e0 [ 51.010424] ? __pfx_ksys_unshare+0x10/0x10 [ 51.011002] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.011773] __x64_sys_unshare+0x31/0x40 [ 51.012346] do_syscall_64+0x3f/0x90 [ 51.012862] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.013582] RIP: 0033:0x7f93085100d7 [ 51.014086] 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 [ 51.016472] RSP: 002b:00007ffd0d445af8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.017499] RAX: ffffffffffffffda RBX: 00007ffd0d446138 RCX: 00007f93085100d7 [ 51.018482] RDX: 00007f930857a41f RSI: 00007ffd0d445a90 RDI: 0000000040000000 [ 51.019453] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd0d4458a0 [ 51.020405] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9308622bf0 [ 51.021362] R13: 00007ffd0d445bd0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.022280] [ 51.022602] irq event stamp: 10711 [ 51.023035] hardirqs last enabled at (10721): [] __up_console_sem+0x78/0x80 [ 51.024114] hardirqs last disabled at (10732): [] __up_console_sem+0x5d/0x80 [ 51.025235] softirqs last enabled at (10144): [] irq_exit_rcu+0x93/0xc0 [ 51.026325] softirqs last disabled at (10091): [] irq_exit_rcu+0x93/0xc0 [ 51.027448] ---[ end trace 0000000000000000 ]--- executing program [ 52.495738] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 54.544240] Bluetooth: hci0: command 0x041b tx timeout [ 56.591211] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.639216] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 15:31:09 Registers: info registers vcpu 0 RAX=00000000000268eb RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f 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=00007f49f3c0bad0 CR3=000000000e338000 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=8440de4796cd3f9532460ebf8d5faaa8 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=cdcda2d778e1b171000000000013b7c0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=9db5249120f5559400000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00200000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801ff775f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 R13=ffffffff87f27bc0 R14=0000000000000010 R15=ffffffff82507670 RIP=ffffffff825076dd 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 00005555565a8400 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=00007f53175586f4 CR3=000000002038c000 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