Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:2490' (ECDSA) to the list of known hosts. 2023/05/18 10:25:18 fuzzer started 2023/05/18 10:25:18 dialing manager at localhost:44319 2023/05/18 10:25:18 checking machine... 2023/05/18 10:25:18 checking revisions... syzkaller login: [ 38.535695] kmemleak: Automatic memory scanning thread ended 2023/05/18 10:25:18 testing simple program... [ 38.611859] cgroup: Unknown subsys name 'net' [ 38.717334] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.718824] audit: type=1400 audit(1684405532.052:6): avc: denied { execmem } for pid=256 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 52.830638] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.833627] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.835623] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.840074] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.841505] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.842683] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.210841] ------------[ cut here ]------------ [ 53.211627] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 53.214041] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.215345] Modules linked in: [ 53.215881] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.220634] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.221681] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.222387] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 53.224670] RSP: 0018:ffff88801a007c00 EFLAGS: 00010282 [ 53.225394] RAX: 0000000000000000 RBX: ffff88800c6bb840 RCX: 0000000000000000 [ 53.226351] RDX: ffff88801a1b51c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.227268] RBP: ffff88800c6bb854 R08: 0000000000000001 R09: 0000000000000000 [ 53.228185] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.229120] R13: ffffffff84e23fe0 R14: ffff88800c6bb848 R15: ffffffff84d74dc0 [ 53.230058] FS: 0000555556ce2400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.231093] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.231854] CR2: 00007f6af75396f4 CR3: 000000000fcfe000 CR4: 0000000000350ee0 [ 53.232793] Call Trace: [ 53.233129] [ 53.233430] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.234113] ipv4_frags_init_net+0x269/0x440 [ 53.234694] ops_init+0xbb/0x6b0 [ 53.235192] setup_net+0x3d9/0x990 [ 53.235660] ? down_read_killable+0x1d7/0x4e0 [ 53.236282] ? __pfx_setup_net+0x10/0x10 [ 53.236835] ? copy_net_ns+0x17c/0x770 [ 53.237361] copy_net_ns+0x321/0x770 [ 53.237886] create_new_namespaces+0x3f6/0xb30 [ 53.238512] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.239176] ksys_unshare+0x44d/0x8e0 [ 53.239689] ? __pfx_ksys_unshare+0x10/0x10 [ 53.240288] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.241055] __x64_sys_unshare+0x31/0x40 [ 53.241593] do_syscall_64+0x3f/0x90 [ 53.242132] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.242829] RIP: 0033:0x7efdcc89b0d7 [ 53.243307] 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 [ 53.245556] RSP: 002b:00007ffc220be348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.246569] RAX: ffffffffffffffda RBX: 00007ffc220be988 RCX: 00007efdcc89b0d7 [ 53.247486] RDX: 00007efdcc90541f RSI: 00007ffc220be2e0 RDI: 0000000040000000 [ 53.248389] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc220be0f0 [ 53.249321] R10: 0000000000000000 R11: 0000000000000206 R12: 00007efdcc9adbf0 [ 53.250249] R13: 00007ffc220be420 R14: 0000000000000000 R15: 00000000000000f8 [ 53.251203] [ 53.251519] irq event stamp: 8471 [ 53.251991] hardirqs last enabled at (8483): [] __up_console_sem+0x78/0x80 [ 53.253082] hardirqs last disabled at (8494): [] __up_console_sem+0x5d/0x80 [ 53.254192] softirqs last enabled at (8042): [] irq_exit_rcu+0x93/0xc0 [ 53.255273] softirqs last disabled at (8033): [] irq_exit_rcu+0x93/0xc0 [ 53.256333] ---[ end trace 0000000000000000 ]--- [ 53.263129] ------------[ cut here ]------------ [ 53.263764] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.265438] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.266570] Modules linked in: [ 53.267027] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.268239] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.269291] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.269998] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 53.272289] RSP: 0018:ffff88801a007c00 EFLAGS: 00010282 [ 53.272997] RAX: 0000000000000000 RBX: ffff88800d6e9640 RCX: 0000000000000000 [ 53.273935] RDX: ffff88801a1b51c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.274877] RBP: ffff88800d6e9654 R08: 0000000000000001 R09: 0000000000000000 [ 53.275803] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.276685] R13: ffffffff84e23fe0 R14: ffff88800d6e9648 R15: ffffffff84da7d60 [ 53.277612] FS: 0000555556ce2400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.278663] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.279419] CR2: 00007f6af75396f4 CR3: 000000000fcfe000 CR4: 0000000000350ee0 [ 53.280337] Call Trace: [ 53.280678] [ 53.281011] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.281649] ipv6_frags_init_net+0x206/0x3c0 [ 53.282275] ops_init+0xbb/0x6b0 [ 53.282776] setup_net+0x3d9/0x990 [ 53.283251] ? down_read_killable+0x1d7/0x4e0 [ 53.283877] ? __pfx_setup_net+0x10/0x10 [ 53.284411] ? copy_net_ns+0x17c/0x770 [ 53.284984] copy_net_ns+0x321/0x770 [ 53.285498] create_new_namespaces+0x3f6/0xb30 [ 53.286156] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.286821] ksys_unshare+0x44d/0x8e0 [ 53.287330] ? __pfx_ksys_unshare+0x10/0x10 [ 53.287938] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.288665] __x64_sys_unshare+0x31/0x40 [ 53.289225] do_syscall_64+0x3f/0x90 [ 53.289749] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.290447] RIP: 0033:0x7efdcc89b0d7 [ 53.290966] 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 [ 53.293187] RSP: 002b:00007ffc220be348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.294186] RAX: ffffffffffffffda RBX: 00007ffc220be988 RCX: 00007efdcc89b0d7 [ 53.295097] RDX: 00007efdcc90541f RSI: 00007ffc220be2e0 RDI: 0000000040000000 [ 53.296025] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc220be0f0 [ 53.296960] R10: 0000000000000000 R11: 0000000000000206 R12: 00007efdcc9adbf0 [ 53.297888] R13: 00007ffc220be420 R14: 0000000000000000 R15: 00000000000000f8 [ 53.298834] [ 53.299146] irq event stamp: 10985 [ 53.299591] hardirqs last enabled at (10995): [] __up_console_sem+0x78/0x80 [ 53.300691] hardirqs last disabled at (11006): [] __up_console_sem+0x5d/0x80 [ 53.301794] softirqs last enabled at (10490): [] irq_exit_rcu+0x93/0xc0 [ 53.302892] softirqs last disabled at (10485): [] irq_exit_rcu+0x93/0xc0 [ 53.303979] ---[ end trace 0000000000000000 ]--- [ 53.305354] ------------[ cut here ]------------ [ 53.306003] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.307997] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.309090] Modules linked in: [ 53.309511] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.310731] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.311793] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.312460] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 53.314737] RSP: 0018:ffff88801a007bf0 EFLAGS: 00010286 [ 53.315409] RAX: 0000000000000000 RBX: ffff88800d89cc40 RCX: 0000000000000000 [ 53.316320] RDX: ffff88801a1b51c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.317232] RBP: ffff88800d89cc54 R08: 0000000000000001 R09: 0000000000000000 [ 53.318189] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.319114] R13: ffffffff84e23fe0 R14: ffff88800d89cc48 R15: ffffffff84db0aa0 [ 53.320035] FS: 0000555556ce2400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.321072] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.321835] CR2: 00007f6af75396f4 CR3: 000000000fcfe000 CR4: 0000000000350ee0 [ 53.322772] Call Trace: [ 53.323117] [ 53.323421] nf_ct_net_init+0x224/0x3d0 [ 53.324007] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.324607] ops_init+0xbb/0x6b0 [ 53.325107] setup_net+0x3d9/0x990 [ 53.325584] ? down_read_killable+0x1d7/0x4e0 [ 53.326222] ? __pfx_setup_net+0x10/0x10 [ 53.326809] ? copy_net_ns+0x17c/0x770 [ 53.327338] copy_net_ns+0x321/0x770 [ 53.327878] create_new_namespaces+0x3f6/0xb30 [ 53.328477] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.329164] ksys_unshare+0x44d/0x8e0 [ 53.329676] ? __pfx_ksys_unshare+0x10/0x10 [ 53.330304] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.331075] __x64_sys_unshare+0x31/0x40 [ 53.331611] do_syscall_64+0x3f/0x90 [ 53.332144] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.332839] RIP: 0033:0x7efdcc89b0d7 [ 53.333325] 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 [ 53.335588] RSP: 002b:00007ffc220be348 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 53.336580] RAX: ffffffffffffffda RBX: 00007ffc220be988 RCX: 00007efdcc89b0d7 [ 53.337502] RDX: 00007efdcc90541f RSI: 00007ffc220be2e0 RDI: 0000000040000000 [ 53.338438] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffc220be0f0 [ 53.339360] R10: 0000000000000000 R11: 0000000000000206 R12: 00007efdcc9adbf0 [ 53.340282] R13: 00007ffc220be420 R14: 0000000000000000 R15: 00000000000000f8 [ 53.341233] [ 53.341546] irq event stamp: 11807 [ 53.342051] hardirqs last enabled at (11819): [] __up_console_sem+0x78/0x80 [ 53.343151] hardirqs last disabled at (11830): [] __up_console_sem+0x5d/0x80 [ 53.344255] softirqs last enabled at (11624): [] irq_exit_rcu+0x93/0xc0 [ 53.345323] softirqs last disabled at (11619): [] irq_exit_rcu+0x93/0xc0 [ 53.346416] ---[ end trace 0000000000000000 ]--- executing program [ 54.855312] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 56.903352] Bluetooth: hci0: command 0x041b tx timeout [ 58.951804] Bluetooth: hci0: command 0x040f tx timeout executing program [ 60.998795] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 10:25:31 Registers: info registers vcpu 0 RAX=000000000002a6b5 RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f 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=00007fae57957000 CR3=0000000016032000 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=2f51bb22ac6c9f9db4435d575f773e31 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=e387138366ae13c0000000000013bf88 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=9d11cb19cdc0444e00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000020000000000000002000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000006d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801a0075f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000006d R11=0000000000000001 R12=000000000000006d R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd 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 0000555556ce2400 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=00007f6af75396f4 CR3=000000000fcfe000 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