Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:6631' (ECDSA) to the list of known hosts. 2023/05/17 04:45:26 fuzzer started 2023/05/17 04:45:27 dialing manager at localhost:35573 2023/05/17 04:45:27 checking machine... 2023/05/17 04:45:27 checking revisions... syzkaller login: [ 37.473417] kmemleak: Automatic memory scanning thread ended 2023/05/17 04:45:27 testing simple program... [ 37.541703] cgroup: Unknown subsys name 'net' [ 37.624312] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.950792] audit: type=1400 audit(1684298740.772:6): 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 [ 52.066395] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.067836] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.070121] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.074410] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.077026] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.078464] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 52.481811] ------------[ cut here ]------------ [ 52.483240] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.485037] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.486462] Modules linked in: [ 52.486993] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.491968] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.493063] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.494037] 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 [ 52.496676] RSP: 0018:ffff88800f1f7c00 EFLAGS: 00010282 [ 52.497669] RAX: 0000000000000000 RBX: ffff888009a57040 RCX: 0000000000000000 [ 52.498815] RDX: ffff888016a58000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.500093] RBP: ffff888009a57054 R08: 0000000000000001 R09: 0000000000000000 [ 52.501099] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.502384] R13: ffffffff84e223a0 R14: ffff888009a57048 R15: ffffffff84d73340 [ 52.503564] FS: 00005555568b8400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.504951] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.505844] CR2: 00007f4dd8f7f6f4 CR3: 000000000dab8000 CR4: 0000000000350ee0 [ 52.507108] Call Trace: [ 52.507617] [ 52.508040] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.508959] ipv4_frags_init_net+0x269/0x440 [ 52.509808] ops_init+0xbb/0x6b0 [ 52.510478] setup_net+0x3d9/0x990 [ 52.511129] ? down_read_killable+0x1d7/0x4e0 [ 52.511978] ? __pfx_setup_net+0x10/0x10 [ 52.512735] ? copy_net_ns+0x17c/0x770 [ 52.513520] copy_net_ns+0x321/0x770 [ 52.514194] create_new_namespaces+0x3f6/0xb30 [ 52.515077] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.515992] ksys_unshare+0x44d/0x8e0 [ 52.516737] ? __pfx_ksys_unshare+0x10/0x10 [ 52.517465] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.518201] __x64_sys_unshare+0x31/0x40 [ 52.518762] do_syscall_64+0x3f/0x90 [ 52.519228] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.519885] RIP: 0033:0x7fd81cd350d7 [ 52.520375] 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 [ 52.522538] RSP: 002b:00007ffce31ceea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.523487] RAX: ffffffffffffffda RBX: 00007ffce31cf4e8 RCX: 00007fd81cd350d7 [ 52.524372] RDX: 00007fd81cd9f41f RSI: 00007ffce31cee40 RDI: 0000000040000000 [ 52.525250] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffce31cec50 [ 52.526133] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fd81ce47bf0 [ 52.526997] R13: 00007ffce31cef80 R14: 0000000000000000 R15: 00000000000000f8 [ 52.527912] [ 52.528220] irq event stamp: 11947 [ 52.528699] hardirqs last enabled at (11959): [] __up_console_sem+0x78/0x80 [ 52.529801] hardirqs last disabled at (11970): [] __up_console_sem+0x5d/0x80 [ 52.530927] softirqs last enabled at (11810): [] irq_exit_rcu+0x93/0xc0 [ 52.532015] softirqs last disabled at (11805): [] irq_exit_rcu+0x93/0xc0 [ 52.533142] ---[ end trace 0000000000000000 ]--- [ 52.539232] ------------[ cut here ]------------ [ 52.539883] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.541788] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.542895] Modules linked in: [ 52.543323] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.544563] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.545662] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.546366] 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 [ 52.548656] RSP: 0018:ffff88800f1f7c00 EFLAGS: 00010282 [ 52.549406] RAX: 0000000000000000 RBX: ffff88800f0eee40 RCX: 0000000000000000 [ 52.550279] RDX: ffff888016a58000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.551197] RBP: ffff88800f0eee54 R08: 0000000000000001 R09: 0000000000000000 [ 52.552105] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.553113] R13: ffffffff84e223a0 R14: ffff88800f0eee48 R15: ffffffff84da62e0 [ 52.554036] FS: 00005555568b8400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.555073] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.555856] CR2: 00007f4dd8f7f6f4 CR3: 000000000dab8000 CR4: 0000000000350ee0 [ 52.556778] Call Trace: [ 52.557123] [ 52.557462] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.558086] ipv6_frags_init_net+0x206/0x3c0 [ 52.558688] ops_init+0xbb/0x6b0 [ 52.559145] setup_net+0x3d9/0x990 [ 52.559636] ? down_read_killable+0x1d7/0x4e0 [ 52.560217] ? __pfx_setup_net+0x10/0x10 [ 52.560762] ? copy_net_ns+0x17c/0x770 [ 52.561290] copy_net_ns+0x321/0x770 [ 52.561814] create_new_namespaces+0x3f6/0xb30 [ 52.562450] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.563083] ksys_unshare+0x44d/0x8e0 [ 52.563620] ? __pfx_ksys_unshare+0x10/0x10 [ 52.564188] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.564955] __x64_sys_unshare+0x31/0x40 [ 52.565536] do_syscall_64+0x3f/0x90 [ 52.566022] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.566728] RIP: 0033:0x7fd81cd350d7 [ 52.567209] 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 [ 52.569393] RSP: 002b:00007ffce31ceea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.570307] RAX: ffffffffffffffda RBX: 00007ffce31cf4e8 RCX: 00007fd81cd350d7 [ 52.571197] RDX: 00007fd81cd9f41f RSI: 00007ffce31cee40 RDI: 0000000040000000 [ 52.572094] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffce31cec50 [ 52.572975] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fd81ce47bf0 [ 52.573883] R13: 00007ffce31cef80 R14: 0000000000000000 R15: 00000000000000f8 [ 52.574795] [ 52.575096] irq event stamp: 13961 [ 52.575557] hardirqs last enabled at (13973): [] __up_console_sem+0x78/0x80 [ 52.576614] hardirqs last disabled at (13984): [] __up_console_sem+0x5d/0x80 [ 52.577699] softirqs last enabled at (13598): [] irq_exit_rcu+0x93/0xc0 [ 52.578739] softirqs last disabled at (13593): [] irq_exit_rcu+0x93/0xc0 [ 52.579781] ---[ end trace 0000000000000000 ]--- [ 52.581133] ------------[ cut here ]------------ [ 52.581783] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.583892] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.584941] Modules linked in: [ 52.585390] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.586547] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.587555] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.588200] 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 [ 52.590413] RSP: 0018:ffff88800f1f7bf0 EFLAGS: 00010286 [ 52.591063] RAX: 0000000000000000 RBX: ffff88800f0ef640 RCX: 0000000000000000 [ 52.591962] RDX: ffff888016a58000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.592850] RBP: ffff88800f0ef654 R08: 0000000000000001 R09: 0000000000000000 [ 52.593765] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.594654] R13: ffffffff84e223a0 R14: ffff88800f0ef648 R15: ffffffff84daf020 [ 52.595553] FS: 00005555568b8400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.596547] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.597271] CR2: 00007f4dd8f7f6f4 CR3: 000000000dab8000 CR4: 0000000000350ee0 [ 52.598158] Call Trace: [ 52.598506] [ 52.598804] nf_ct_net_init+0x224/0x3d0 [ 52.599315] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.599924] ops_init+0xbb/0x6b0 [ 52.600392] setup_net+0x3d9/0x990 [ 52.600843] ? down_read_killable+0x1d7/0x4e0 [ 52.601458] ? __pfx_setup_net+0x10/0x10 [ 52.601958] ? copy_net_ns+0x17c/0x770 [ 52.602486] copy_net_ns+0x321/0x770 [ 52.602963] create_new_namespaces+0x3f6/0xb30 [ 52.603570] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.604191] ksys_unshare+0x44d/0x8e0 [ 52.604708] ? __pfx_ksys_unshare+0x10/0x10 [ 52.605281] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.606048] __x64_sys_unshare+0x31/0x40 [ 52.606619] do_syscall_64+0x3f/0x90 [ 52.607122] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.607816] RIP: 0033:0x7fd81cd350d7 [ 52.608295] 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 [ 52.610541] RSP: 002b:00007ffce31ceea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.611509] RAX: ffffffffffffffda RBX: 00007ffce31cf4e8 RCX: 00007fd81cd350d7 [ 52.612407] RDX: 00007fd81cd9f41f RSI: 00007ffce31cee40 RDI: 0000000040000000 [ 52.613287] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffce31cec50 [ 52.614180] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fd81ce47bf0 [ 52.615062] R13: 00007ffce31cef80 R14: 0000000000000000 R15: 00000000000000f8 [ 52.615974] [ 52.616271] irq event stamp: 14739 [ 52.616733] hardirqs last enabled at (14751): [] __up_console_sem+0x78/0x80 [ 52.617817] hardirqs last disabled at (14762): [] __up_console_sem+0x5d/0x80 [ 52.618884] softirqs last enabled at (14238): [] irq_exit_rcu+0x93/0xc0 [ 52.619920] softirqs last disabled at (14217): [] irq_exit_rcu+0x93/0xc0 [ 52.620954] ---[ end trace 0000000000000000 ]--- [ 54.153962] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 56.200398] Bluetooth: hci0: command 0x041b tx timeout [ 58.249443] Bluetooth: hci0: command 0x040f tx timeout executing program [ 60.296445] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 04:45:40 Registers: info registers vcpu 0 RAX=0000000000027ffd 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=00007f57328e7a80 CR3=00000000169ae000 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=2032343a35343a34302037312079614d XMM01=5d3339393638342e32352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d33 XMM07=6e72656b2072656c6c616b7a79732032 XMM08=7475636578652d7a7973223d6d6d6f63 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=ffff88800f1f75f0 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 00005555568b8400 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=00007f4dd8f7f6f4 CR3=000000000dab8000 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