syzkaller login: [ 31.733836] sshd (211) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:43090' (ECDSA) to the list of known hosts. 2023/05/16 16:52:10 fuzzer started 2023/05/16 16:52:11 dialing manager at localhost:35573 2023/05/16 16:52:11 checking machine... 2023/05/16 16:52:11 checking revisions... [ 36.451692] kmemleak: Automatic memory scanning thread ended 2023/05/16 16:52:11 testing simple program... [ 36.520904] cgroup: Unknown subsys name 'net' [ 36.605022] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.374754] audit: type=1400 audit(1684255945.352:6): 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 executing program [ 51.456250] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.458565] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.459732] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.463676] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.465373] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.474852] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.862466] ------------[ cut here ]------------ [ 51.863220] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.865667] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.866748] Modules linked in: [ 51.867140] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.870566] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.872940] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.873650] 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 [ 51.875863] RSP: 0018:ffff8880201ffc00 EFLAGS: 00010282 [ 51.876557] RAX: 0000000000000000 RBX: ffff88800f233840 RCX: 0000000000000000 [ 51.877475] RDX: ffff88801a513680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.878375] RBP: ffff88800f233854 R08: 0000000000000001 R09: 0000000000000000 [ 51.879257] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.880161] R13: ffffffff84e223a0 R14: ffff88800f233848 R15: ffffffff84d73340 [ 51.881068] FS: 0000555556acb400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.882086] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.882828] CR2: 00007f6a45cca6f4 CR3: 0000000009544000 CR4: 0000000000350ee0 [ 51.883715] Call Trace: [ 51.884044] [ 51.884375] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.884987] ipv4_frags_init_net+0x269/0x440 [ 51.885596] ops_init+0xbb/0x6b0 [ 51.886047] setup_net+0x3d9/0x990 [ 51.886531] ? down_read_killable+0x1d7/0x4e0 [ 51.887101] ? __pfx_setup_net+0x10/0x10 [ 51.887641] ? copy_net_ns+0x17c/0x770 [ 51.888150] copy_net_ns+0x321/0x770 [ 51.888664] create_new_namespaces+0x3f6/0xb30 [ 51.889254] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.889922] ksys_unshare+0x44d/0x8e0 [ 51.890452] ? __pfx_ksys_unshare+0x10/0x10 [ 51.890998] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.891741] __x64_sys_unshare+0x31/0x40 [ 51.892259] do_syscall_64+0x3f/0x90 [ 51.892762] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.893459] RIP: 0033:0x7efc18cb50d7 [ 51.893932] 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 [ 51.896068] RSP: 002b:00007ffd2dbe7628 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.897004] RAX: ffffffffffffffda RBX: 00007ffd2dbe7c68 RCX: 00007efc18cb50d7 [ 51.897904] RDX: 00007efc18d1f41f RSI: 00007ffd2dbe75c0 RDI: 0000000040000000 [ 51.898783] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd2dbe73d0 [ 51.899664] R10: 0000000000000000 R11: 0000000000000206 R12: 00007efc18dc7bf0 [ 51.900554] R13: 00007ffd2dbe7700 R14: 0000000000000000 R15: 00000000000000f8 [ 51.901486] [ 51.901791] irq event stamp: 12653 [ 51.902217] hardirqs last enabled at (12663): [] __up_console_sem+0x78/0x80 [ 51.903278] hardirqs last disabled at (12674): [] __up_console_sem+0x5d/0x80 [ 51.904358] softirqs last enabled at (11722): [] netlink_insert+0x187/0x1820 [ 51.905465] softirqs last disabled at (11720): [] release_sock+0x1f/0x1b0 [ 51.906509] ---[ end trace 0000000000000000 ]--- [ 51.912234] ------------[ cut here ]------------ [ 51.912846] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.914501] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.915551] Modules linked in: [ 51.915958] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.917114] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.918132] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.918801] 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 [ 51.920964] RSP: 0018:ffff8880201ffc00 EFLAGS: 00010282 [ 51.921672] RAX: 0000000000000000 RBX: ffff88800d7c3840 RCX: 0000000000000000 [ 51.922572] RDX: ffff88801a513680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.923493] RBP: ffff88800d7c3854 R08: 0000000000000001 R09: 0000000000000000 [ 51.924416] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.925355] R13: ffffffff84e223a0 R14: ffff88800d7c3848 R15: ffffffff84da62e0 [ 51.926237] FS: 0000555556acb400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.927252] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.927988] CR2: 00007f6a45cca6f4 CR3: 0000000009544000 CR4: 0000000000350ee0 [ 51.928889] Call Trace: [ 51.929228] [ 51.929562] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.930176] ipv6_frags_init_net+0x206/0x3c0 [ 51.930761] ops_init+0xbb/0x6b0 [ 51.931205] setup_net+0x3d9/0x990 [ 51.931685] ? down_read_killable+0x1d7/0x4e0 [ 51.932256] ? __pfx_setup_net+0x10/0x10 [ 51.932800] ? copy_net_ns+0x17c/0x770 [ 51.933347] copy_net_ns+0x321/0x770 [ 51.933835] create_new_namespaces+0x3f6/0xb30 [ 51.934457] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.935079] ksys_unshare+0x44d/0x8e0 [ 51.935601] ? __pfx_ksys_unshare+0x10/0x10 [ 51.936148] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.936883] __x64_sys_unshare+0x31/0x40 [ 51.937436] do_syscall_64+0x3f/0x90 [ 51.937911] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.938577] RIP: 0033:0x7efc18cb50d7 [ 51.939038] 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 [ 51.941198] RSP: 002b:00007ffd2dbe7628 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.942154] RAX: ffffffffffffffda RBX: 00007ffd2dbe7c68 RCX: 00007efc18cb50d7 [ 51.943049] RDX: 00007efc18d1f41f RSI: 00007ffd2dbe75c0 RDI: 0000000040000000 [ 51.943941] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd2dbe73d0 [ 51.944829] R10: 0000000000000000 R11: 0000000000000206 R12: 00007efc18dc7bf0 [ 51.945741] R13: 00007ffd2dbe7700 R14: 0000000000000000 R15: 00000000000000f8 [ 51.946650] [ 51.946953] irq event stamp: 14383 [ 51.947415] hardirqs last enabled at (14395): [] __up_console_sem+0x78/0x80 [ 51.948474] hardirqs last disabled at (14406): [] __up_console_sem+0x5d/0x80 [ 51.949537] softirqs last enabled at (13424): [] irq_exit_rcu+0x93/0xc0 [ 51.950579] softirqs last disabled at (13381): [] irq_exit_rcu+0x93/0xc0 [ 51.951620] ---[ end trace 0000000000000000 ]--- [ 51.952949] ------------[ cut here ]------------ [ 51.953577] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.955601] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.956664] Modules linked in: [ 51.957066] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.958278] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.959312] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.959957] 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 [ 51.962159] RSP: 0018:ffff8880201ffbf0 EFLAGS: 00010286 [ 51.962848] RAX: 0000000000000000 RBX: ffff88800d7c2040 RCX: 0000000000000000 [ 51.963730] RDX: ffff88801a513680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.964620] RBP: ffff88800d7c2054 R08: 0000000000000001 R09: 0000000000000000 [ 51.965528] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.966425] R13: ffffffff84e223a0 R14: ffff88800d7c2048 R15: ffffffff84daf020 [ 51.967311] FS: 0000555556acb400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.968270] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.969015] CR2: 00007f6a45cca6f4 CR3: 0000000009544000 CR4: 0000000000350ee0 [ 51.969923] Call Trace: [ 51.970249] [ 51.970579] nf_ct_net_init+0x224/0x3d0 [ 51.971095] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.971700] ops_init+0xbb/0x6b0 [ 51.972152] setup_net+0x3d9/0x990 [ 51.972638] ? down_read_killable+0x1d7/0x4e0 [ 51.973202] ? __pfx_setup_net+0x10/0x10 [ 51.973766] ? copy_net_ns+0x17c/0x770 [ 51.974277] copy_net_ns+0x321/0x770 [ 51.974786] create_new_namespaces+0x3f6/0xb30 [ 51.975404] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.976017] ksys_unshare+0x44d/0x8e0 [ 51.976541] ? __pfx_ksys_unshare+0x10/0x10 [ 51.977095] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.977841] __x64_sys_unshare+0x31/0x40 [ 51.978394] do_syscall_64+0x3f/0x90 [ 51.978866] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.979529] RIP: 0033:0x7efc18cb50d7 [ 51.979995] 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 [ 51.982185] RSP: 002b:00007ffd2dbe7628 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.983135] RAX: ffffffffffffffda RBX: 00007ffd2dbe7c68 RCX: 00007efc18cb50d7 [ 51.984024] RDX: 00007efc18d1f41f RSI: 00007ffd2dbe75c0 RDI: 0000000040000000 [ 51.984924] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd2dbe73d0 [ 51.985828] R10: 0000000000000000 R11: 0000000000000206 R12: 00007efc18dc7bf0 [ 51.986715] R13: 00007ffd2dbe7700 R14: 0000000000000000 R15: 00000000000000f8 [ 51.987640] [ 51.987947] irq event stamp: 15127 [ 51.988408] hardirqs last enabled at (15139): [] __up_console_sem+0x78/0x80 [ 51.989470] hardirqs last disabled at (15150): [] __up_console_sem+0x5d/0x80 [ 51.990537] softirqs last enabled at (14900): [] irq_exit_rcu+0x93/0xc0 [ 51.991579] softirqs last disabled at (14895): [] irq_exit_rcu+0x93/0xc0 [ 51.992621] ---[ end trace 0000000000000000 ]--- [ 53.540899] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.588348] Bluetooth: hci0: command 0x041b tx timeout executing program [ 57.636359] Bluetooth: hci0: command 0x040f tx timeout [ 59.684343] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 16:52:26 Registers: info registers vcpu 0 RAX=000000000001da41 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=00007efc4553f928 CR3=0000000016024000 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=82664349d282deadd045e9dc94c005a9 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=0013ad65119292df000000000010f818 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=954bf9ddf0c52a9600000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00200000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000005 RBX=00000000000003f9 RCX=0000000000000000 RDX=00000000000003f9 RSI=ffffffff825075f0 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880201ff620 R8 =0000000000000001 R9 =ffffed100403feb5 R10=0000000000000003 R11=0000000000000001 R12=000000000000005f R13=ffffffff87f27bc0 R14=ffffffff87f27c10 R15=ffffffff87f27e78 RIP=ffffffff82507645 RFL=00000006 [-----P-] 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 0000555556acb400 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=00007f6a45cca6f4 CR3=0000000009544000 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