Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:48170' (ECDSA) to the list of known hosts. 2023/05/18 04:13:45 fuzzer started 2023/05/18 04:13:45 dialing manager at localhost:44319 2023/05/18 04:13:45 checking machine... 2023/05/18 04:13:45 checking revisions... syzkaller login: [ 29.434524] kmemleak: Automatic memory scanning thread ended 2023/05/18 04:13:45 testing simple program... [ 29.507098] cgroup: Unknown subsys name 'net' [ 29.598786] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 41.652923] audit: type=1400 audit(1684383237.896:6): 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 [ 42.737707] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 42.740785] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 42.741701] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 42.744885] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 42.746952] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 42.748515] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 43.191517] ------------[ cut here ]------------ [ 43.192295] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 43.194505] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 43.195792] Modules linked in: [ 43.196326] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 43.201163] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.202246] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 43.202975] 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 [ 43.206084] RSP: 0018:ffff88800dac7c00 EFLAGS: 00010282 [ 43.207076] RAX: 0000000000000000 RBX: ffff88800c69ac40 RCX: 0000000000000000 [ 43.208328] RDX: ffff888019583680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 43.209503] RBP: ffff88800c69ac54 R08: 0000000000000001 R09: 0000000000000000 [ 43.210531] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 43.211550] R13: ffffffff84e23fe0 R14: ffff88800c69ac48 R15: ffffffff84d74dc0 [ 43.212673] FS: 0000555555fe2400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 43.213795] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.214605] CR2: 00007f55d9d546f4 CR3: 0000000016160000 CR4: 0000000000350ee0 [ 43.215587] Call Trace: [ 43.215950] [ 43.216306] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 43.216979] ipv4_frags_init_net+0x269/0x440 [ 43.217648] ops_init+0xbb/0x6b0 [ 43.218171] setup_net+0x3d9/0x990 [ 43.218673] ? down_read_killable+0x1d7/0x4e0 [ 43.219326] ? __pfx_setup_net+0x10/0x10 [ 43.219888] ? copy_net_ns+0x17c/0x770 [ 43.220478] copy_net_ns+0x321/0x770 [ 43.221006] create_new_namespaces+0x3f6/0xb30 [ 43.221709] unshare_nsproxy_namespaces+0xc1/0x200 [ 43.222424] ksys_unshare+0x44d/0x8e0 [ 43.222965] ? __pfx_ksys_unshare+0x10/0x10 [ 43.223605] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 43.224411] __x64_sys_unshare+0x31/0x40 [ 43.224979] do_syscall_64+0x3f/0x90 [ 43.225545] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 43.226326] RIP: 0033:0x7fd1452160d7 [ 43.226837] 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 [ 43.229337] RSP: 002b:00007ffd32adecd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 43.230483] RAX: ffffffffffffffda RBX: 00007ffd32adf318 RCX: 00007fd1452160d7 [ 43.231511] RDX: 00007fd14528041f RSI: 00007ffd32adec70 RDI: 0000000040000000 [ 43.232505] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd32adea80 [ 43.233528] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd145328bf0 [ 43.234562] R13: 00007ffd32adedb0 R14: 0000000000000000 R15: 00000000000000f8 [ 43.235569] [ 43.235897] irq event stamp: 8645 [ 43.236394] hardirqs last enabled at (8657): [] __up_console_sem+0x78/0x80 [ 43.237567] hardirqs last disabled at (8668): [] __up_console_sem+0x5d/0x80 [ 43.238729] softirqs last enabled at (8552): [] irq_exit_rcu+0x93/0xc0 [ 43.239863] softirqs last disabled at (8547): [] irq_exit_rcu+0x93/0xc0 [ 43.241002] ---[ end trace 0000000000000000 ]--- [ 43.253186] ------------[ cut here ]------------ [ 43.253954] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 43.256210] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 43.257503] Modules linked in: [ 43.257958] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 43.259371] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.260593] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 43.261490] 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 [ 43.264139] RSP: 0018:ffff88800dac7c00 EFLAGS: 00010282 [ 43.264919] RAX: 0000000000000000 RBX: ffff88801615e640 RCX: 0000000000000000 [ 43.266110] RDX: ffff888019583680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 43.267264] RBP: ffff88801615e654 R08: 0000000000000001 R09: 0000000000000000 [ 43.268411] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 43.269560] R13: ffffffff84e23fe0 R14: ffff88801615e648 R15: ffffffff84da7d60 [ 43.270699] FS: 0000555555fe2400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 43.271936] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.272812] CR2: 00007f70dcc57048 CR3: 0000000016160000 CR4: 0000000000350ef0 [ 43.273872] Call Trace: [ 43.274284] [ 43.274633] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 43.275386] ipv6_frags_init_net+0x206/0x3c0 [ 43.276082] ops_init+0xbb/0x6b0 [ 43.276602] setup_net+0x3d9/0x990 [ 43.277173] ? down_read_killable+0x1d7/0x4e0 [ 43.277866] ? __pfx_setup_net+0x10/0x10 [ 43.278497] ? copy_net_ns+0x17c/0x770 [ 43.279132] copy_net_ns+0x321/0x770 [ 43.279701] create_new_namespaces+0x3f6/0xb30 [ 43.280425] unshare_nsproxy_namespaces+0xc1/0x200 [ 43.281171] ksys_unshare+0x44d/0x8e0 [ 43.281754] ? __pfx_ksys_unshare+0x10/0x10 [ 43.282435] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 43.283271] __x64_sys_unshare+0x31/0x40 [ 43.283865] do_syscall_64+0x3f/0x90 [ 43.284454] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 43.285235] RIP: 0033:0x7fd1452160d7 [ 43.285770] 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 [ 43.288257] RSP: 002b:00007ffd32adecd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 43.289374] RAX: ffffffffffffffda RBX: 00007ffd32adf318 RCX: 00007fd1452160d7 [ 43.290385] RDX: 00007fd14528041f RSI: 00007ffd32adec70 RDI: 0000000040000000 [ 43.291391] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd32adea80 [ 43.292405] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd145328bf0 [ 43.293435] R13: 00007ffd32adedb0 R14: 0000000000000000 R15: 00000000000000f8 [ 43.294479] [ 43.294826] irq event stamp: 11619 [ 43.295353] hardirqs last enabled at (11631): [] __up_console_sem+0x78/0x80 [ 43.296607] hardirqs last disabled at (11642): [] __up_console_sem+0x5d/0x80 [ 43.297834] softirqs last enabled at (11276): [] irq_exit_rcu+0x93/0xc0 [ 43.299007] softirqs last disabled at (11251): [] irq_exit_rcu+0x93/0xc0 [ 43.300166] ---[ end trace 0000000000000000 ]--- [ 43.301726] ------------[ cut here ]------------ [ 43.302387] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 43.304511] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 43.305673] Modules linked in: [ 43.306150] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 43.307400] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.308490] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 43.309229] 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 [ 43.311614] RSP: 0018:ffff88800dac7bf0 EFLAGS: 00010286 [ 43.312348] RAX: 0000000000000000 RBX: ffff88800ec0de40 RCX: 0000000000000000 [ 43.313326] RDX: ffff888019583680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 43.314297] RBP: ffff88800ec0de54 R08: 0000000000000001 R09: 0000000000000000 [ 43.315264] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 43.316219] R13: ffffffff84e23fe0 R14: ffff88800ec0de48 R15: ffffffff84db0aa0 [ 43.317177] FS: 0000555555fe2400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 43.318269] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.319064] CR2: 00007f70dcc57048 CR3: 0000000016160000 CR4: 0000000000350ef0 [ 43.319986] Call Trace: [ 43.320379] [ 43.320706] nf_ct_net_init+0x224/0x3d0 [ 43.321353] ? __pfx_nf_ct_net_init+0x10/0x10 [ 43.321998] ops_init+0xbb/0x6b0 [ 43.322533] setup_net+0x3d9/0x990 [ 43.323072] ? down_read_killable+0x1d7/0x4e0 [ 43.323705] ? __pfx_setup_net+0x10/0x10 [ 43.324298] ? copy_net_ns+0x17c/0x770 [ 43.324859] copy_net_ns+0x321/0x770 [ 43.325450] create_new_namespaces+0x3f6/0xb30 [ 43.326126] unshare_nsproxy_namespaces+0xc1/0x200 [ 43.326805] ksys_unshare+0x44d/0x8e0 [ 43.327383] ? __pfx_ksys_unshare+0x10/0x10 [ 43.327996] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 43.328824] __x64_sys_unshare+0x31/0x40 [ 43.329453] do_syscall_64+0x3f/0x90 [ 43.329982] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 43.330715] RIP: 0033:0x7fd1452160d7 [ 43.331241] 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 [ 43.333567] RSP: 002b:00007ffd32adecd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 43.334589] RAX: ffffffffffffffda RBX: 00007ffd32adf318 RCX: 00007fd1452160d7 [ 43.335535] RDX: 00007fd14528041f RSI: 00007ffd32adec70 RDI: 0000000040000000 [ 43.336474] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd32adea80 [ 43.337432] R10: 0000000000000000 R11: 0000000000000206 R12: 00007fd145328bf0 [ 43.338371] R13: 00007ffd32adedb0 R14: 0000000000000000 R15: 00000000000000f8 [ 43.339335] [ 43.339659] irq event stamp: 12395 [ 43.340167] hardirqs last enabled at (12407): [] __up_console_sem+0x78/0x80 [ 43.341317] hardirqs last disabled at (12418): [] __up_console_sem+0x5d/0x80 [ 43.342467] softirqs last enabled at (12320): [] irq_exit_rcu+0x93/0xc0 [ 43.343576] softirqs last disabled at (12315): [] irq_exit_rcu+0x93/0xc0 [ 43.344675] ---[ end trace 0000000000000000 ]--- executing program [ 44.765833] Bluetooth: hci0: command 0x0409 tx timeout [ 46.814237] Bluetooth: hci0: command 0x041b tx timeout executing program [ 48.861099] Bluetooth: hci0: command 0x040f tx timeout executing program [ 50.909115] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 04:13:59 Registers: info registers vcpu 0 RAX=000000000001cf77 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=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=00007f70dcc4d020 CR3=000000000ec2e000 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=a629a19890b3c9b5aa43d2b86937ff8e XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=559bdd894fbceef7000000000013b798 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=1c747b3fc3363b6b00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff82507ef0 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88800dac7598 R8 =0000000000000004 R9 =0000000000000010 R10=0000000000000010 R11=0000000000000001 R12=0000000000002710 R13=0000000000000020 R14=fffffbfff0fe5bd1 R15=dffffc0000000000 RIP=ffffffff82507f45 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 0000555555fe2400 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=00007f55d9d546f4 CR3=0000000016160000 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