Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:23748' (ECDSA) to the list of known hosts. 2023/05/17 00:34:41 fuzzer started 2023/05/17 00:34:41 dialing manager at localhost:35573 2023/05/17 00:34:41 checking machine... 2023/05/17 00:34:41 checking revisions... syzkaller login: [ 54.355812] kmemleak: Automatic memory scanning thread ended 2023/05/17 00:34:41 testing simple program... [ 54.427777] cgroup: Unknown subsys name 'net' [ 54.518776] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 67.410461] kmemleak: 1 new suspected memory leaks (see /sys/kernel/debug/kmemleak) [ 67.595018] audit: type=1400 audit(1684283695.101:6): 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 [ 68.725035] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 68.726616] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 68.729460] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 68.732165] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 68.734339] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 68.735566] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 69.129908] ------------[ cut here ]------------ [ 69.130689] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 69.132895] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 69.133984] Modules linked in: [ 69.134393] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 69.139296] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 69.140493] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 69.141315] 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 [ 69.143587] RSP: 0018:ffff88802029fc00 EFLAGS: 00010282 [ 69.144283] RAX: 0000000000000000 RBX: ffff88800f56c040 RCX: 0000000000000000 [ 69.145209] RDX: ffff888020290000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 69.146117] RBP: ffff88800f56c054 R08: 0000000000000001 R09: 0000000000000000 [ 69.147038] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 69.147939] R13: ffffffff84e223a0 R14: ffff88800f56c048 R15: ffffffff84d73340 [ 69.148856] FS: 0000555555aa1400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 69.149878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.150606] CR2: 00007f3c942806f4 CR3: 000000000f6aa000 CR4: 0000000000350ef0 [ 69.151555] Call Trace: [ 69.151929] [ 69.152237] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 69.152893] ipv4_frags_init_net+0x269/0x440 [ 69.153461] ops_init+0xbb/0x6b0 [ 69.153940] setup_net+0x3d9/0x990 [ 69.154396] ? down_read_killable+0x1d7/0x4e0 [ 69.155019] ? __pfx_setup_net+0x10/0x10 [ 69.155537] ? copy_net_ns+0x17c/0x770 [ 69.156077] copy_net_ns+0x321/0x770 [ 69.156570] create_new_namespaces+0x3f6/0xb30 [ 69.157191] unshare_nsproxy_namespaces+0xc1/0x200 [ 69.157841] ksys_unshare+0x44d/0x8e0 [ 69.158334] ? __pfx_ksys_unshare+0x10/0x10 [ 69.158912] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 69.159635] __x64_sys_unshare+0x31/0x40 [ 69.160186] do_syscall_64+0x3f/0x90 [ 69.160687] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 69.161329] RIP: 0033:0x7ff7cc79f0d7 [ 69.161828] 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 [ 69.164036] RSP: 002b:00007ffcdebcab98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 69.164987] RAX: ffffffffffffffda RBX: 00007ffcdebcb1d8 RCX: 00007ff7cc79f0d7 [ 69.165876] RDX: 00007ff7cc80941f RSI: 00007ffcdebcab30 RDI: 0000000040000000 [ 69.166775] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcdebca940 [ 69.167669] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff7cc8b1bf0 [ 69.168528] R13: 00007ffcdebcac70 R14: 0000000000000000 R15: 00000000000000f8 [ 69.169442] [ 69.169774] irq event stamp: 8657 [ 69.170201] hardirqs last enabled at (8667): [] __up_console_sem+0x78/0x80 [ 69.171275] hardirqs last disabled at (8678): [] __up_console_sem+0x5d/0x80 [ 69.172324] softirqs last enabled at (8352): [] irq_exit_rcu+0x93/0xc0 [ 69.173360] softirqs last disabled at (8347): [] irq_exit_rcu+0x93/0xc0 [ 69.174397] ---[ end trace 0000000000000000 ]--- [ 69.184135] ------------[ cut here ]------------ [ 69.184954] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 69.186989] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 69.188149] Modules linked in: [ 69.188567] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 69.189829] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 69.190930] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 69.191605] 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 [ 69.194022] RSP: 0018:ffff88802029fc00 EFLAGS: 00010282 [ 69.194797] RAX: 0000000000000000 RBX: ffff888016294640 RCX: 0000000000000000 [ 69.195793] RDX: ffff888020290000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 69.196773] RBP: ffff888016294654 R08: 0000000000000001 R09: 0000000000000000 [ 69.197636] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 69.198616] R13: ffffffff84e223a0 R14: ffff888016294648 R15: ffffffff84da62e0 [ 69.199609] FS: 0000555555aa1400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 69.200808] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.201523] CR2: 00007fcbad608e20 CR3: 000000000f6aa000 CR4: 0000000000350ee0 [ 69.202509] Call Trace: [ 69.202919] [ 69.203237] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 69.203891] ipv6_frags_init_net+0x206/0x3c0 [ 69.204456] ops_init+0xbb/0x6b0 [ 69.204938] setup_net+0x3d9/0x990 [ 69.205398] ? down_read_killable+0x1d7/0x4e0 [ 69.206010] ? __pfx_setup_net+0x10/0x10 [ 69.206514] ? copy_net_ns+0x17c/0x770 [ 69.207066] copy_net_ns+0x321/0x770 [ 69.207554] create_new_namespaces+0x3f6/0xb30 [ 69.208176] unshare_nsproxy_namespaces+0xc1/0x200 [ 69.208822] ksys_unshare+0x44d/0x8e0 [ 69.209315] ? __pfx_ksys_unshare+0x10/0x10 [ 69.209905] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 69.210620] __x64_sys_unshare+0x31/0x40 executing program [ 69.211191] do_syscall_64+0x3f/0x90 [ 69.211960] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 69.212600] RIP: 0033:0x7ff7cc79f0d7 [ 69.213093] 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 [ 69.215285] RSP: 002b:00007ffcdebcab98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 69.216239] RAX: ffffffffffffffda RBX: 00007ffcdebcb1d8 RCX: 00007ff7cc79f0d7 [ 69.217144] RDX: 00007ff7cc80941f RSI: 00007ffcdebcab30 RDI: 0000000040000000 [ 69.218047] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcdebca940 [ 69.218931] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff7cc8b1bf0 [ 69.219831] R13: 00007ffcdebcac70 R14: 0000000000000000 R15: 00000000000000f8 [ 69.220764] [ 69.221070] irq event stamp: 11889 [ 69.221508] hardirqs last enabled at (11899): [] __up_console_sem+0x78/0x80 [ 69.222581] hardirqs last disabled at (11910): [] __up_console_sem+0x5d/0x80 [ 69.223685] softirqs last enabled at (11650): [] irq_exit_rcu+0x93/0xc0 [ 69.224727] softirqs last disabled at (11645): [] irq_exit_rcu+0x93/0xc0 [ 69.225781] ---[ end trace 0000000000000000 ]--- [ 69.227158] ------------[ cut here ]------------ [ 69.227811] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 69.229842] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 69.230920] Modules linked in: [ 69.231329] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 69.232476] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 69.233497] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 69.234171] 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 [ 69.236405] RSP: 0018:ffff88802029fbf0 EFLAGS: 00010286 [ 69.237092] RAX: 0000000000000000 RBX: ffff888016295840 RCX: 0000000000000000 [ 69.237981] RDX: ffff888020290000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 69.238874] RBP: ffff888016295854 R08: 0000000000000001 R09: 0000000000000000 [ 69.239780] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 69.240676] R13: ffffffff84e223a0 R14: ffff888016295848 R15: ffffffff84daf020 [ 69.241532] FS: 0000555555aa1400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 69.242518] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.243261] CR2: 00007fcbad608e20 CR3: 000000000f6aa000 CR4: 0000000000350ee0 [ 69.244189] Call Trace: [ 69.244515] [ 69.244850] nf_ct_net_init+0x224/0x3d0 [ 69.245362] ? __pfx_nf_ct_net_init+0x10/0x10 [ 69.245967] ops_init+0xbb/0x6b0 [ 69.246412] setup_net+0x3d9/0x990 [ 69.246899] ? down_read_killable+0x1d7/0x4e0 [ 69.247493] ? __pfx_setup_net+0x10/0x10 [ 69.248049] ? copy_net_ns+0x17c/0x770 [ 69.248554] copy_net_ns+0x321/0x770 [ 69.249072] create_new_namespaces+0x3f6/0xb30 [ 69.249694] unshare_nsproxy_namespaces+0xc1/0x200 [ 69.250313] ksys_unshare+0x44d/0x8e0 [ 69.250847] ? __pfx_ksys_unshare+0x10/0x10 [ 69.251406] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 69.252162] __x64_sys_unshare+0x31/0x40 [ 69.252718] do_syscall_64+0x3f/0x90 [ 69.253191] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 69.253867] RIP: 0033:0x7ff7cc79f0d7 [ 69.254333] 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 [ 69.256495] RSP: 002b:00007ffcdebcab98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 69.257447] RAX: ffffffffffffffda RBX: 00007ffcdebcb1d8 RCX: 00007ff7cc79f0d7 [ 69.258342] RDX: 00007ff7cc80941f RSI: 00007ffcdebcab30 RDI: 0000000040000000 [ 69.259256] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcdebca940 [ 69.260151] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff7cc8b1bf0 [ 69.261035] R13: 00007ffcdebcac70 R14: 0000000000000000 R15: 00000000000000f8 [ 69.261949] [ 69.262250] irq event stamp: 12663 [ 69.262716] hardirqs last enabled at (12675): [] __up_console_sem+0x78/0x80 [ 69.263806] hardirqs last disabled at (12686): [] __up_console_sem+0x5d/0x80 [ 69.264877] softirqs last enabled at (12146): [] irq_exit_rcu+0x93/0xc0 [ 69.265907] softirqs last disabled at (12129): [] irq_exit_rcu+0x93/0xc0 [ 69.266938] ---[ end trace 0000000000000000 ]--- [ 70.805386] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 72.851848] Bluetooth: hci0: command 0x041b tx timeout [ 74.899720] Bluetooth: hci0: command 0x040f tx timeout executing program [ 76.947829] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 00:34:37 Registers: info registers vcpu 0 RAX=000000000000002e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88802029f5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002e R11=0000000000000001 R12=000000000000002e 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 0000555555aa1400 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=00007f3c942806f4 CR3=000000000f6aa000 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=00000000000582b3 RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f 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=00007fcbad5a3780 CR3=00000000161b6000 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=555dc1b76c9db98f3d419f3ce5340550 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=0fcf88beb650bd75000000000013bbd0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=7303ded08fe6c18c00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000