Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:37828' (ECDSA) to the list of known hosts. 2023/05/17 16:33:59 fuzzer started 2023/05/17 16:33:59 dialing manager at localhost:44319 2023/05/17 16:33:59 checking machine... 2023/05/17 16:33:59 checking revisions... syzkaller login: [ 43.791255] kmemleak: Automatic memory scanning thread ended 2023/05/17 16:33:59 testing simple program... [ 43.860833] cgroup: Unknown subsys name 'net' [ 43.921970] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 56.527425] audit: type=1400 audit(1684341252.451:6): 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 [ 57.631093] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 57.632707] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 57.635597] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 57.639530] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 57.641114] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 57.642497] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.012965] ------------[ cut here ]------------ [ 58.013645] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 58.015308] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.016398] Modules linked in: [ 58.016804] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 58.021550] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.022739] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.023524] 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 [ 58.025745] RSP: 0018:ffff8880146a7c00 EFLAGS: 00010282 [ 58.026453] RAX: 0000000000000000 RBX: ffff88801032c440 RCX: 0000000000000000 [ 58.027358] RDX: ffff888010340000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 58.028247] RBP: ffff88801032c454 R08: 0000000000000001 R09: 0000000000000000 [ 58.029129] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 58.030024] R13: ffffffff84e23fe0 R14: ffff88801032c448 R15: ffffffff84d74dc0 [ 58.030944] FS: 0000555556c24400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.031948] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.032695] CR2: 00007eff8a6c66f4 CR3: 0000000015b4e000 CR4: 0000000000350ee0 [ 58.033579] Call Trace: [ 58.033906] [ 58.034251] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 58.034874] ipv4_frags_init_net+0x269/0x440 [ 58.035466] ops_init+0xbb/0x6b0 [ 58.035923] setup_net+0x3d9/0x990 [ 58.036407] ? down_read_killable+0x1d7/0x4e0 [ 58.036980] ? __pfx_setup_net+0x10/0x10 [ 58.037518] ? copy_net_ns+0x17c/0x770 [ 58.038030] copy_net_ns+0x321/0x770 [ 58.038570] create_new_namespaces+0x3f6/0xb30 [ 58.039183] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.039799] ksys_unshare+0x44d/0x8e0 [ 58.040325] ? __pfx_ksys_unshare+0x10/0x10 [ 58.040870] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.041611] __x64_sys_unshare+0x31/0x40 [ 58.042141] do_syscall_64+0x3f/0x90 [ 58.042654] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.043338] RIP: 0033:0x7f7c1aeb10d7 [ 58.043803] 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 [ 58.045986] RSP: 002b:00007ffdf4974638 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.046952] RAX: ffffffffffffffda RBX: 00007ffdf4974c78 RCX: 00007f7c1aeb10d7 [ 58.047849] RDX: 00007f7c1af1b41f RSI: 00007ffdf49745d0 RDI: 0000000040000000 [ 58.048724] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdf49743e0 [ 58.049609] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f7c1afc3bf0 [ 58.050526] R13: 00007ffdf4974710 R14: 0000000000000000 R15: 00000000000000f8 [ 58.051442] [ 58.051746] irq event stamp: 7849 [ 58.052198] hardirqs last enabled at (7861): [] __up_console_sem+0x78/0x80 [ 58.053254] hardirqs last disabled at (7872): [] __up_console_sem+0x5d/0x80 [ 58.054323] softirqs last enabled at (7422): [] irq_exit_rcu+0x93/0xc0 [ 58.055351] softirqs last disabled at (7409): [] irq_exit_rcu+0x93/0xc0 [ 58.056378] ---[ end trace 0000000000000000 ]--- [ 58.061435] ------------[ cut here ]------------ [ 58.062030] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 58.063677] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.064761] Modules linked in: [ 58.065201] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 58.066381] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.067398] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.068052] 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 [ 58.070282] RSP: 0018:ffff8880146a7c00 EFLAGS: 00010282 [ 58.070947] RAX: 0000000000000000 RBX: ffff88800eff0a40 RCX: 0000000000000000 [ 58.071844] RDX: ffff888010340000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 58.072736] RBP: ffff88800eff0a54 R08: 0000000000000001 R09: 0000000000000000 [ 58.073637] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.074541] R13: ffffffff84e23fe0 R14: ffff88800eff0a48 R15: ffffffff84da7d60 [ 58.075457] FS: 0000555556c24400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.076462] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.077208] CR2: 00007eff8a6c66f4 CR3: 0000000015b4e000 CR4: 0000000000350ee0 [ 58.078066] Call Trace: [ 58.078441] [ 58.078742] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 58.079383] ipv6_frags_init_net+0x206/0x3c0 [ 58.079943] ops_init+0xbb/0x6b0 [ 58.080417] setup_net+0x3d9/0x990 [ 58.080881] ? down_read_killable+0x1d7/0x4e0 [ 58.081490] ? __pfx_setup_net+0x10/0x10 [ 58.082000] ? copy_net_ns+0x17c/0x770 [ 58.082552] copy_net_ns+0x321/0x770 [ 58.083045] create_new_namespaces+0x3f6/0xb30 [ 58.083655] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.084303] ksys_unshare+0x44d/0x8e0 [ 58.084794] ? __pfx_ksys_unshare+0x10/0x10 [ 58.085369] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.086080] __x64_sys_unshare+0x31/0x40 [ 58.086647] do_syscall_64+0x3f/0x90 [ 58.087125] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.087799] RIP: 0033:0x7f7c1aeb10d7 [ 58.088300] 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 [ 58.090516] RSP: 002b:00007ffdf4974638 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.091479] RAX: ffffffffffffffda RBX: 00007ffdf4974c78 RCX: 00007f7c1aeb10d7 [ 58.092374] RDX: 00007f7c1af1b41f RSI: 00007ffdf49745d0 RDI: 0000000040000000 [ 58.093271] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdf49743e0 [ 58.094138] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f7c1afc3bf0 [ 58.095028] R13: 00007ffdf4974710 R14: 0000000000000000 R15: 00000000000000f8 [ 58.095941] [ 58.096269] irq event stamp: 9563 [ 58.096702] hardirqs last enabled at (9573): [] __up_console_sem+0x78/0x80 [ 58.097756] hardirqs last disabled at (9584): [] __up_console_sem+0x5d/0x80 [ 58.098823] softirqs last enabled at (9136): [] irq_exit_rcu+0x93/0xc0 [ 58.099858] softirqs last disabled at (9131): [] irq_exit_rcu+0x93/0xc0 [ 58.100878] ---[ end trace 0000000000000000 ]--- [ 58.102228] ------------[ cut here ]------------ [ 58.102820] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 58.104738] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.105814] Modules linked in: [ 58.106263] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 58.107415] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.108430] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.109072] 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 [ 58.111253] RSP: 0018:ffff8880146a7bf0 EFLAGS: 00010286 [ 58.111904] RAX: 0000000000000000 RBX: ffff88800eff1040 RCX: 0000000000000000 [ 58.112797] RDX: ffff888010340000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 58.113687] RBP: ffff88800eff1054 R08: 0000000000000001 R09: 0000000000000000 [ 58.114602] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.115492] R13: ffffffff84e23fe0 R14: ffff88800eff1048 R15: ffffffff84db0aa0 [ 58.116402] FS: 0000555556c24400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 58.117393] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.118111] CR2: 00007eff8a6c66f4 CR3: 0000000015b4e000 CR4: 0000000000350ee0 [ 58.119014] Call Trace: [ 58.119367] [ 58.119674] nf_ct_net_init+0x224/0x3d0 [ 58.120223] ? __pfx_nf_ct_net_init+0x10/0x10 [ 58.120792] ops_init+0xbb/0x6b0 [ 58.121273] setup_net+0x3d9/0x990 [ 58.121735] ? down_read_killable+0x1d7/0x4e0 [ 58.122343] ? __pfx_setup_net+0x10/0x10 [ 58.122852] ? copy_net_ns+0x17c/0x770 [ 58.123397] copy_net_ns+0x321/0x770 [ 58.123881] create_new_namespaces+0x3f6/0xb30 [ 58.124495] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.125108] ksys_unshare+0x44d/0x8e0 [ 58.125630] ? __pfx_ksys_unshare+0x10/0x10 [ 58.126218] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.126929] __x64_sys_unshare+0x31/0x40 [ 58.127476] do_syscall_64+0x3f/0x90 [ 58.127953] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.128630] RIP: 0033:0x7f7c1aeb10d7 [ 58.129105] 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 [ 58.131293] RSP: 002b:00007ffdf4974638 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.132247] RAX: ffffffffffffffda RBX: 00007ffdf4974c78 RCX: 00007f7c1aeb10d7 [ 58.133119] RDX: 00007f7c1af1b41f RSI: 00007ffdf49745d0 RDI: 0000000040000000 [ 58.134008] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdf49743e0 [ 58.134934] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f7c1afc3bf0 [ 58.135827] R13: 00007ffdf4974710 R14: 0000000000000000 R15: 00000000000000f8 [ 58.136748] [ 58.137054] irq event stamp: 10315 [ 58.137513] hardirqs last enabled at (10327): [] __up_console_sem+0x78/0x80 [ 58.138582] hardirqs last disabled at (10338): [] __up_console_sem+0x5d/0x80 [ 58.139653] softirqs last enabled at (10264): [] irq_exit_rcu+0x93/0xc0 [ 58.140683] softirqs last disabled at (10259): [] irq_exit_rcu+0x93/0xc0 [ 58.141720] ---[ end trace 0000000000000000 ]--- executing program [ 59.715887] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 61.763254] Bluetooth: hci0: command 0x041b tx timeout [ 63.811230] Bluetooth: hci0: command 0x040f tx timeout executing program [ 65.860255] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 16:34:06 Registers: info registers vcpu 0 RAX=ffffffff816c8856 RBX=ffffffff85de6cc0 RCX=ffffffff816c8825 RDX=0000000000000000 RSI=ffffffff86117b86 RDI=ffffffff85de6ca8 RBP=ffffffff85de6cbc RSP=ffff888016457610 R8 =ffffffff86117b86 R9 =ffffffff8612f1be R10=0000000000038001 R11=000000000001cfb3 R12=ffffffff85de6cbc R13=ffffffff85de6ca8 R14=ffffffff85de6cb8 R15=dffffc0000000000 RIP=ffffffff8112fc7f RFL=00000297 [--S-APC] 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 00007f6f5c60e700 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=00007f6016022830 CR3=0000000016640000 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=6465746e69615420302e726f74756365 XMM04=636f72703d7373616c63742030733a74 XMM05=3a755f6d65747379733d747865746e6f XMM06=5f6d65747379733a755f6d6574737973 XMM07=00000000000000000000000000000000 XMM08=74203f3d72646461203f3d656d616e00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000002e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880146a75f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002e R11=0000000000000001 R12=000000000000002e 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 0000555556c24400 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=00007eff8a6c66f4 CR3=0000000015b4e000 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