Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:36834' (ECDSA) to the list of known hosts. 2023/05/17 00:19:06 fuzzer started 2023/05/17 00:19:06 dialing manager at localhost:35573 2023/05/17 00:19:06 checking machine... 2023/05/17 00:19:06 checking revisions... syzkaller login: [ 60.491350] kmemleak: Automatic memory scanning thread ended 2023/05/17 00:19:07 testing simple program... [ 60.560431] cgroup: Unknown subsys name 'net' [ 60.644927] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 74.624366] audit: type=1400 audit(1684282761.131:6): 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 [ 75.758642] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 75.760152] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 75.762908] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 75.765892] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 75.767856] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 75.769022] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 76.170243] ------------[ cut here ]------------ [ 76.171433] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 76.172774] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 76.173643] Modules linked in: [ 76.173950] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 76.174921] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 76.179432] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 76.180010] 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 [ 76.181835] RSP: 0018:ffff88801a1c7c00 EFLAGS: 00010282 [ 76.182457] RAX: 0000000000000000 RBX: ffff88800e094c40 RCX: 0000000000000000 [ 76.183126] RDX: ffff8880177c0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 76.183884] RBP: ffff88800e094c54 R08: 0000000000000001 R09: 0000000000000000 [ 76.184638] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 76.185418] R13: ffffffff84e223a0 R14: ffff88800e094c48 R15: ffffffff84d73340 [ 76.186088] FS: 000055555587c400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 76.186910] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.187551] CR2: 00007f8fd91cf6f4 CR3: 000000000e866000 CR4: 0000000000350ee0 [ 76.188223] Call Trace: [ 76.188577] [ 76.188818] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 76.189388] ipv4_frags_init_net+0x269/0x440 [ 76.189817] ops_init+0xbb/0x6b0 [ 76.190157] setup_net+0x3d9/0x990 [ 76.190588] ? down_read_killable+0x1d7/0x4e0 [ 76.191032] ? __pfx_setup_net+0x10/0x10 [ 76.191507] ? copy_net_ns+0x17c/0x770 [ 76.191910] copy_net_ns+0x321/0x770 [ 76.192359] create_new_namespaces+0x3f6/0xb30 [ 76.192828] unshare_nsproxy_namespaces+0xc1/0x200 [ 76.193423] ksys_unshare+0x44d/0x8e0 [ 76.193812] ? __pfx_ksys_unshare+0x10/0x10 [ 76.194237] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 76.194874] __x64_sys_unshare+0x31/0x40 [ 76.195375] do_syscall_64+0x3f/0x90 [ 76.195743] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 76.196236] RIP: 0033:0x7fe8ff9740d7 [ 76.196681] 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 [ 76.198436] RSP: 002b:00007fffb9cafa08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 76.199145] RAX: ffffffffffffffda RBX: 00007fffb9cb0048 RCX: 00007fe8ff9740d7 [ 76.199878] RDX: 00007fe8ff9de41f RSI: 00007fffb9caf9a0 RDI: 0000000040000000 [ 76.200626] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffb9caf7b0 [ 76.201364] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fe8ffa86bf0 [ 76.202008] R13: 00007fffb9cafae0 R14: 0000000000000000 R15: 00000000000000f8 [ 76.202777] [ 76.203015] irq event stamp: 9835 [ 76.203491] hardirqs last enabled at (9911): [] __up_console_sem+0x78/0x80 [ 76.204449] hardirqs last disabled at (9980): [] __up_console_sem+0x5d/0x80 [ 76.205375] softirqs last enabled at (10022): [] irq_exit_rcu+0x93/0xc0 [ 76.206170] softirqs last disabled at (9991): [] irq_exit_rcu+0x93/0xc0 [ 76.207078] ---[ end trace 0000000000000000 ]--- [ 76.212097] ------------[ cut here ]------------ [ 76.212584] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 76.213882] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 76.214745] Modules linked in: [ 76.215070] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 76.215990] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 76.216782] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 76.217323] 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 [ 76.219014] RSP: 0018:ffff88801a1c7c00 EFLAGS: 00010282 [ 76.219561] RAX: 0000000000000000 RBX: ffff888009a51c40 RCX: 0000000000000000 [ 76.220223] RDX: ffff8880177c0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 76.220909] RBP: ffff888009a51c54 R08: 0000000000000001 R09: 0000000000000000 [ 76.221649] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 76.222338] R13: ffffffff84e223a0 R14: ffff888009a51c48 R15: ffffffff84da62e0 [ 76.222998] FS: 000055555587c400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 76.223779] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.224356] CR2: 00007f8fd91cf6f4 CR3: 000000000e866000 CR4: 0000000000350ee0 [ 76.225025] Call Trace: [ 76.225303] [ 76.225535] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 76.226007] ipv6_frags_init_net+0x206/0x3c0 [ 76.226460] ops_init+0xbb/0x6b0 [ 76.226808] setup_net+0x3d9/0x990 [ 76.227155] ? down_read_killable+0x1d7/0x4e0 [ 76.227619] ? __pfx_setup_net+0x10/0x10 [ 76.228015] ? copy_net_ns+0x17c/0x770 [ 76.228454] copy_net_ns+0x321/0x770 [ 76.228824] create_new_namespaces+0x3f6/0xb30 [ 76.229332] unshare_nsproxy_namespaces+0xc1/0x200 [ 76.229805] ksys_unshare+0x44d/0x8e0 [ 76.230182] ? __pfx_ksys_unshare+0x10/0x10 [ 76.230645] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 76.231194] __x64_sys_unshare+0x31/0x40 [ 76.231650] do_syscall_64+0x3f/0x90 [ 76.232027] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 76.232573] RIP: 0033:0x7fe8ff9740d7 [ 76.232925] 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 [ 76.234615] RSP: 002b:00007fffb9cafa08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 76.235353] RAX: ffffffffffffffda RBX: 00007fffb9cb0048 RCX: 00007fe8ff9740d7 [ 76.236014] RDX: 00007fe8ff9de41f RSI: 00007fffb9caf9a0 RDI: 0000000040000000 [ 76.236725] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffb9caf7b0 [ 76.237432] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fe8ffa86bf0 [ 76.238091] R13: 00007fffb9cafae0 R14: 0000000000000000 R15: 00000000000000f8 [ 76.238822] [ 76.239059] irq event stamp: 11917 [ 76.239435] hardirqs last enabled at (11929): [] __up_console_sem+0x78/0x80 [ 76.240233] hardirqs last disabled at (11938): [] __up_console_sem+0x5d/0x80 [ 76.241093] softirqs last enabled at (11708): [] irq_exit_rcu+0x93/0xc0 [ 76.241896] softirqs last disabled at (11703): [] irq_exit_rcu+0x93/0xc0 [ 76.242735] ---[ end trace 0000000000000000 ]--- [ 76.243774] ------------[ cut here ]------------ [ 76.244230] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 76.245825] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 76.246703] Modules linked in: [ 76.247033] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 76.247937] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 76.248745] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 76.249314] 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 [ 76.251304] RSP: 0018:ffff88801a1c7bf0 EFLAGS: 00010286 [ 76.251912] RAX: 0000000000000000 RBX: ffff888009a51640 RCX: 0000000000000000 [ 76.252607] RDX: ffff8880177c0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 76.253316] RBP: ffff888009a51654 R08: 0000000000000001 R09: 0000000000000000 [ 76.253995] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 76.254705] R13: ffffffff84e223a0 R14: ffff888009a51648 R15: ffffffff84daf020 [ 76.255413] FS: 000055555587c400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 76.256177] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 76.256781] CR2: 00007f8fd91cf6f4 CR3: 000000000e866000 CR4: 0000000000350ee0 [ 76.257522] Call Trace: [ 76.257817] [ 76.258088] nf_ct_net_init+0x224/0x3d0 [ 76.258533] ? __pfx_nf_ct_net_init+0x10/0x10 [ 76.258988] ops_init+0xbb/0x6b0 [ 76.259377] setup_net+0x3d9/0x990 [ 76.259738] ? down_read_killable+0x1d7/0x4e0 [ 76.260184] ? __pfx_setup_net+0x10/0x10 [ 76.260615] ? copy_net_ns+0x17c/0x770 [ 76.261037] copy_net_ns+0x321/0x770 [ 76.261447] create_new_namespaces+0x3f6/0xb30 [ 76.261917] unshare_nsproxy_namespaces+0xc1/0x200 [ 76.262436] ksys_unshare+0x44d/0x8e0 [ 76.262833] ? __pfx_ksys_unshare+0x10/0x10 [ 76.263325] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 76.263914] __x64_sys_unshare+0x31/0x40 [ 76.264374] do_syscall_64+0x3f/0x90 [ 76.264767] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 76.265342] RIP: 0033:0x7fe8ff9740d7 [ 76.265731] 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 [ 76.267513] RSP: 002b:00007fffb9cafa08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 76.268250] RAX: ffffffffffffffda RBX: 00007fffb9cb0048 RCX: 00007fe8ff9740d7 [ 76.268969] RDX: 00007fe8ff9de41f RSI: 00007fffb9caf9a0 RDI: 0000000040000000 [ 76.269692] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffb9caf7b0 [ 76.270398] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fe8ffa86bf0 [ 76.271082] R13: 00007fffb9cafae0 R14: 0000000000000000 R15: 00000000000000f8 [ 76.271804] [ 76.272043] irq event stamp: 12671 [ 76.272420] hardirqs last enabled at (12683): [] __up_console_sem+0x78/0x80 [ 76.273265] hardirqs last disabled at (12692): [] __up_console_sem+0x5d/0x80 [ 76.274119] softirqs last enabled at (12178): [] irq_exit_rcu+0x93/0xc0 [ 76.274951] softirqs last disabled at (12153): [] irq_exit_rcu+0x93/0xc0 [ 76.275787] ---[ end trace 0000000000000000 ]--- [ 77.841234] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 79.888450] Bluetooth: hci0: command 0x041b tx timeout executing program [ 81.936369] Bluetooth: hci0: command 0x040f tx timeout [ 83.985367] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 00:18:58 Registers: info registers vcpu 0 RAX=000000000002049b 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=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=00007fcbbc728c48 CR3=000000000d668000 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=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=435020647261646e61745320554d4551 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=45203066623763356131303838386600 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000006e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801a1c7618 R8 =0000000000000001 R9 =000000000000000a R10=000000000000006e R11=0000000000000001 R12=000000000000006e 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 000055555587c400 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=00007f8fd91cf6f4 CR3=000000000e866000 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