Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:53084' (ECDSA) to the list of known hosts. 2023/05/17 06:07:46 fuzzer started 2023/05/17 06:07:46 dialing manager at localhost:35573 2023/05/17 06:07:46 checking machine... 2023/05/17 06:07:46 checking revisions... syzkaller login: [ 36.421148] kmemleak: Automatic memory scanning thread ended 2023/05/17 06:07:47 testing simple program... [ 36.485647] cgroup: Unknown subsys name 'net' [ 36.574948] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.692782] audit: type=1400 audit(1684303679.277:6): 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 [ 49.804777] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.806872] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.808321] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.811233] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.812829] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.814289] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.096271] ------------[ cut here ]------------ [ 50.096633] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.097635] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.098821] Modules linked in: [ 50.099051] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.103162] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.103919] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.104446] 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 [ 50.106120] RSP: 0018:ffff888016eafc00 EFLAGS: 00010282 [ 50.106632] RAX: 0000000000000000 RBX: ffff88800f08b840 RCX: 0000000000000000 [ 50.107322] RDX: ffff8880159c8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.107981] RBP: ffff88800f08b854 R08: 0000000000000001 R09: 0000000000000000 [ 50.108670] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.109354] R13: ffffffff84e223a0 R14: ffff88800f08b848 R15: ffffffff84d73340 [ 50.110018] FS: 0000555556bae400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.110805] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.111381] CR2: 00007f85331aa6f4 CR3: 000000001f18a000 CR4: 0000000000350ee0 [ 50.112041] Call Trace: [ 50.112317] [ 50.112546] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.113014] ipv4_frags_init_net+0x269/0x440 [ 50.113469] ops_init+0xbb/0x6b0 [ 50.113812] setup_net+0x3d9/0x990 [ 50.114186] ? down_read_killable+0x1d7/0x4e0 [ 50.114639] ? __pfx_setup_net+0x10/0x10 [ 50.115024] ? copy_net_ns+0x17c/0x770 [ 50.115384] copy_net_ns+0x321/0x770 [ 50.115665] create_new_namespaces+0x3f6/0xb30 [ 50.116011] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.116401] ksys_unshare+0x44d/0x8e0 [ 50.116689] ? __pfx_ksys_unshare+0x10/0x10 [ 50.117002] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.117443] __x64_sys_unshare+0x31/0x40 [ 50.117745] do_syscall_64+0x3f/0x90 [ 50.118024] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.118430] RIP: 0033:0x7f95c83e20d7 [ 50.118703] 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 [ 50.119963] RSP: 002b:00007ffe5e246d78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.120524] RAX: ffffffffffffffda RBX: 00007ffe5e2473b8 RCX: 00007f95c83e20d7 [ 50.121022] RDX: 00007f95c844c41f RSI: 00007ffe5e246d10 RDI: 0000000040000000 [ 50.121542] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe5e246b20 [ 50.122045] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f95c84f4bf0 [ 50.122578] R13: 00007ffe5e246e50 R14: 0000000000000000 R15: 00000000000000f8 [ 50.123414] [ 50.123596] irq event stamp: 9419 [ 50.123848] hardirqs last enabled at (9429): [] __up_console_sem+0x78/0x80 [ 50.124477] hardirqs last disabled at (9440): [] __up_console_sem+0x5d/0x80 [ 50.125105] softirqs last enabled at (9390): [] irq_exit_rcu+0x93/0xc0 [ 50.125697] softirqs last disabled at (9385): [] irq_exit_rcu+0x93/0xc0 [ 50.126310] ---[ end trace 0000000000000000 ]--- [ 50.130139] ------------[ cut here ]------------ [ 50.130481] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.131421] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.132037] Modules linked in: [ 50.132293] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.132952] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.133545] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.133903] 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 [ 50.135210] RSP: 0018:ffff888016eafc00 EFLAGS: 00010282 [ 50.135584] RAX: 0000000000000000 RBX: ffff88800e479040 RCX: 0000000000000000 [ 50.136105] RDX: ffff8880159c8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.136606] RBP: ffff88800e479054 R08: 0000000000000001 R09: 0000000000000000 [ 50.137134] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.137637] R13: ffffffff84e223a0 R14: ffff88800e479048 R15: ffffffff84da62e0 [ 50.138156] FS: 0000555556bae400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.138739] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.139170] CR2: 00007f85331aa6f4 CR3: 000000001f18a000 CR4: 0000000000350ee0 [ 50.139675] Call Trace: [ 50.139865] [ 50.140040] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.140439] ipv6_frags_init_net+0x206/0x3c0 [ 50.140772] ops_init+0xbb/0x6b0 [ 50.141037] setup_net+0x3d9/0x990 [ 50.141330] ? down_read_killable+0x1d7/0x4e0 [ 50.141656] ? __pfx_setup_net+0x10/0x10 [ 50.141945] ? copy_net_ns+0x17c/0x770 [ 50.142260] copy_net_ns+0x321/0x770 [ 50.142547] create_new_namespaces+0x3f6/0xb30 [ 50.142901] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.143284] ksys_unshare+0x44d/0x8e0 [ 50.143573] ? __pfx_ksys_unshare+0x10/0x10 [ 50.143894] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.144330] __x64_sys_unshare+0x31/0x40 [ 50.144625] do_syscall_64+0x3f/0x90 [ 50.144902] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.145297] RIP: 0033:0x7f95c83e20d7 [ 50.145560] 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 [ 50.146849] RSP: 002b:00007ffe5e246d78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.147405] RAX: ffffffffffffffda RBX: 00007ffe5e2473b8 RCX: 00007f95c83e20d7 [ 50.147916] RDX: 00007f95c844c41f RSI: 00007ffe5e246d10 RDI: 0000000040000000 [ 50.148442] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe5e246b20 [ 50.148936] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f95c84f4bf0 [ 50.149465] R13: 00007ffe5e246e50 R14: 0000000000000000 R15: 00000000000000f8 [ 50.149980] [ 50.150176] irq event stamp: 11013 [ 50.150424] hardirqs last enabled at (11023): [] __up_console_sem+0x78/0x80 [ 50.151058] hardirqs last disabled at (11032): [] __up_console_sem+0x5d/0x80 [ 50.151686] softirqs last enabled at (10496): [] irq_exit_rcu+0x93/0xc0 [ 50.152287] softirqs last disabled at (10473): [] irq_exit_rcu+0x93/0xc0 [ 50.152891] ---[ end trace 0000000000000000 ]--- [ 50.153661] ------------[ cut here ]------------ [ 50.153993] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.155058] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.155679] Modules linked in: [ 50.155916] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.156594] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.157191] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.157560] 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 [ 50.158858] RSP: 0018:ffff888016eafbf0 EFLAGS: 00010286 [ 50.159264] RAX: 0000000000000000 RBX: ffff88800e479e40 RCX: 0000000000000000 [ 50.159774] RDX: ffff8880159c8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.160295] RBP: ffff88800e479e54 R08: 0000000000000001 R09: 0000000000000000 [ 50.160813] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.161343] R13: ffffffff84e223a0 R14: ffff88800e479e48 R15: ffffffff84daf020 [ 50.161863] FS: 0000555556bae400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.162438] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.162861] CR2: 00007f85331aa6f4 CR3: 000000001f18a000 CR4: 0000000000350ee0 [ 50.163378] Call Trace: [ 50.163568] [ 50.163743] nf_ct_net_init+0x224/0x3d0 [ 50.164055] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.164416] ops_init+0xbb/0x6b0 [ 50.164673] setup_net+0x3d9/0x990 [ 50.164925] ? down_read_killable+0x1d7/0x4e0 [ 50.165273] ? __pfx_setup_net+0x10/0x10 [ 50.165574] ? copy_net_ns+0x17c/0x770 [ 50.165870] copy_net_ns+0x321/0x770 [ 50.166169] create_new_namespaces+0x3f6/0xb30 [ 50.166513] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.167289] ksys_unshare+0x44d/0x8e0 [ 50.167907] ? __pfx_ksys_unshare+0x10/0x10 [ 50.168634] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.169568] __x64_sys_unshare+0x31/0x40 [ 50.170251] do_syscall_64+0x3f/0x90 [ 50.170859] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.171696] RIP: 0033:0x7f95c83e20d7 [ 50.172312] 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 [ 50.175056] RSP: 002b:00007ffe5e246d78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.176042] RAX: ffffffffffffffda RBX: 00007ffe5e2473b8 RCX: 00007f95c83e20d7 [ 50.176935] RDX: 00007f95c844c41f RSI: 00007ffe5e246d10 RDI: 0000000040000000 [ 50.177831] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe5e246b20 [ 50.178737] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f95c84f4bf0 [ 50.179645] R13: 00007ffe5e246e50 R14: 0000000000000000 R15: 00000000000000f8 [ 50.180559] [ 50.180859] irq event stamp: 11733 [ 50.181337] hardirqs last enabled at (11745): [] __up_console_sem+0x78/0x80 [ 50.182412] hardirqs last disabled at (11756): [] __up_console_sem+0x5d/0x80 [ 50.183509] softirqs last enabled at (10496): [] irq_exit_rcu+0x93/0xc0 [ 50.184574] softirqs last disabled at (11777): [] irq_exit_rcu+0x93/0xc0 [ 50.185641] ---[ end trace 0000000000000000 ]--- executing program [ 51.880751] Bluetooth: hci0: command 0x0409 tx timeout [ 53.928246] Bluetooth: hci0: command 0x041b tx timeout executing program [ 55.976195] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.024167] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 06:08:00 Registers: info registers vcpu 0 RAX=000000000001f4e7 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=00007f9c40f17430 CR3=0000000015a2a000 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=2030303a38303a36302037312079614d XMM01=5d3135303939302e30352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d31 XMM07=6e72656b2072656c6c616b7a79732030 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 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=ffff888016eaf5f0 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 0000555556bae400 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=00007f85331aa6f4 CR3=000000001f18a000 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