syzkaller login: [ 37.789942] sshd (226) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:6917' (ECDSA) to the list of known hosts. 2023/05/18 04:39:58 fuzzer started 2023/05/18 04:39:59 dialing manager at localhost:44319 2023/05/18 04:39:59 checking machine... 2023/05/18 04:39:59 checking revisions... [ 39.016941] kmemleak: Automatic memory scanning thread ended 2023/05/18 04:39:59 testing simple program... [ 39.086768] cgroup: Unknown subsys name 'net' [ 39.158782] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.312787] audit: type=1400 audit(1684384811.626:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 52.388957] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.390934] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.392606] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.396224] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.398153] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.399829] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.658250] ------------[ cut here ]------------ [ 52.658633] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.659945] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.660547] Modules linked in: [ 52.660773] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.661397] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.665508] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.665953] 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 [ 52.667677] RSP: 0018:ffff88802021fc00 EFLAGS: 00010282 [ 52.668290] RAX: 0000000000000000 RBX: ffff88800f17c840 RCX: 0000000000000000 [ 52.668946] RDX: ffff888019c39b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.669693] RBP: ffff88800f17c854 R08: 0000000000000001 R09: 0000000000000000 [ 52.670467] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.671240] R13: ffffffff84e23fe0 R14: ffff88800f17c848 R15: ffffffff84d74dc0 [ 52.671889] FS: 0000555556472400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.672720] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.673392] CR2: 00007fab716026f4 CR3: 000000000c93c000 CR4: 0000000000350ee0 [ 52.674165] Call Trace: [ 52.674350] [ 52.674511] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.674863] ipv4_frags_init_net+0x269/0x440 [ 52.675256] ops_init+0xbb/0x6b0 [ 52.675498] setup_net+0x3d9/0x990 [ 52.675743] ? down_read_killable+0x1d7/0x4e0 [ 52.676130] ? __pfx_setup_net+0x10/0x10 [ 52.676402] ? copy_net_ns+0x17c/0x770 [ 52.676673] copy_net_ns+0x321/0x770 [ 52.676938] create_new_namespaces+0x3f6/0xb30 [ 52.677326] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.677655] ksys_unshare+0x44d/0x8e0 [ 52.677917] ? __pfx_ksys_unshare+0x10/0x10 [ 52.678296] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.678675] __x64_sys_unshare+0x31/0x40 [ 52.678949] do_syscall_64+0x3f/0x90 [ 52.679306] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.679670] RIP: 0033:0x7f4d7950b0d7 [ 52.679924] 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 [ 52.681179] RSP: 002b:00007ffe7e26bcb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.681690] RAX: ffffffffffffffda RBX: 00007ffe7e26c2f8 RCX: 00007f4d7950b0d7 [ 52.682280] RDX: 00007f4d7957541f RSI: 00007ffe7e26bc50 RDI: 0000000040000000 [ 52.682752] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe7e26ba60 [ 52.683308] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f4d7961dbf0 [ 52.683782] R13: 00007ffe7e26bd90 R14: 0000000000000000 R15: 00000000000000f8 [ 52.684352] [ 52.684520] irq event stamp: 9057 [ 52.684754] hardirqs last enabled at (9067): [] __up_console_sem+0x78/0x80 [ 52.685425] hardirqs last disabled at (9114): [] __up_console_sem+0x5d/0x80 [ 52.685996] softirqs last enabled at (9110): [] irq_exit_rcu+0x93/0xc0 [ 52.686573] softirqs last disabled at (9075): [] irq_exit_rcu+0x93/0xc0 [ 52.687143] ---[ end trace 0000000000000000 ]--- [ 52.690443] ------------[ cut here ]------------ [ 52.690777] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.691837] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.692454] Modules linked in: [ 52.692686] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.693364] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.693912] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.694293] 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 [ 52.695500] RSP: 0018:ffff88802021fc00 EFLAGS: 00010282 [ 52.695859] RAX: 0000000000000000 RBX: ffff88800ee0ec40 RCX: 0000000000000000 [ 52.696357] RDX: ffff888019c39b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.696845] RBP: ffff88800ee0ec54 R08: 0000000000000001 R09: 0000000000000000 [ 52.697343] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.697821] R13: ffffffff84e23fe0 R14: ffff88800ee0ec48 R15: ffffffff84da7d60 [ 52.698327] FS: 0000555556472400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.698865] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.699285] CR2: 00007fab716026f4 CR3: 000000000c93c000 CR4: 0000000000350ee0 [ 52.699767] Call Trace: [ 52.699944] [ 52.700131] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.700476] ipv6_frags_init_net+0x206/0x3c0 [ 52.700783] ops_init+0xbb/0x6b0 [ 52.701063] setup_net+0x3d9/0x990 [ 52.701313] ? down_read_killable+0x1d7/0x4e0 [ 52.701634] ? __pfx_setup_net+0x10/0x10 [ 52.701919] ? copy_net_ns+0x17c/0x770 [ 52.702226] copy_net_ns+0x321/0x770 [ 52.702499] create_new_namespaces+0x3f6/0xb30 [ 52.702814] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.703175] ksys_unshare+0x44d/0x8e0 [ 52.703444] ? __pfx_ksys_unshare+0x10/0x10 [ 52.703743] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.704163] __x64_sys_unshare+0x31/0x40 [ 52.704449] do_syscall_64+0x3f/0x90 [ 52.704713] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.705100] RIP: 0033:0x7f4d7950b0d7 [ 52.705359] 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 [ 52.706559] RSP: 002b:00007ffe7e26bcb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.707092] RAX: ffffffffffffffda RBX: 00007ffe7e26c2f8 RCX: 00007f4d7950b0d7 [ 52.707580] RDX: 00007f4d7957541f RSI: 00007ffe7e26bc50 RDI: 0000000040000000 [ 52.708084] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe7e26ba60 [ 52.708559] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f4d7961dbf0 [ 52.709062] R13: 00007ffe7e26bd90 R14: 0000000000000000 R15: 00000000000000f8 [ 52.709546] [ 52.709711] irq event stamp: 10749 [ 52.709947] hardirqs last enabled at (10759): [] __up_console_sem+0x78/0x80 [ 52.710560] hardirqs last disabled at (10770): [] __up_console_sem+0x5d/0x80 [ 52.711175] softirqs last enabled at (10786): [] irq_exit_rcu+0x93/0xc0 [ 52.711735] softirqs last disabled at (10779): [] irq_exit_rcu+0x93/0xc0 [ 52.712314] ---[ end trace 0000000000000000 ]--- [ 52.713559] ------------[ cut here ]------------ [ 52.713885] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.715509] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.716167] Modules linked in: [ 52.716398] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.717115] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.717678] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.718107] 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 [ 52.719405] RSP: 0018:ffff88802021fbf0 EFLAGS: 00010286 [ 52.719772] RAX: 0000000000000000 RBX: ffff88800ee0e440 RCX: 0000000000000000 [ 52.720328] RDX: ffff888019c39b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.720814] RBP: ffff88800ee0e454 R08: 0000000000000001 R09: 0000000000000000 [ 52.721377] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.721857] R13: ffffffff84e23fe0 R14: ffff88800ee0e448 R15: ffffffff84db0aa0 [ 52.722407] FS: 0000555556472400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.722945] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.723418] CR2: 00007fab716026f4 CR3: 000000000c93c000 CR4: 0000000000350ee0 [ 52.723892] Call Trace: [ 52.724149] [ 52.724317] nf_ct_net_init+0x224/0x3d0 [ 52.724605] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.724943] ops_init+0xbb/0x6b0 [ 52.725263] setup_net+0x3d9/0x990 [ 52.725526] ? down_read_killable+0x1d7/0x4e0 [ 52.725846] ? __pfx_setup_net+0x10/0x10 [ 52.726201] ? copy_net_ns+0x17c/0x770 [ 52.726484] copy_net_ns+0x321/0x770 [ 52.726755] create_new_namespaces+0x3f6/0xb30 [ 52.727151] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.727493] ksys_unshare+0x44d/0x8e0 [ 52.727769] ? __pfx_ksys_unshare+0x10/0x10 [ 52.728141] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.728542] __x64_sys_unshare+0x31/0x40 [ 52.728840] do_syscall_64+0x3f/0x90 [ 52.729210] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.729566] RIP: 0033:0x7f4d7950b0d7 [ 52.729822] 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 [ 52.731154] RSP: 002b:00007ffe7e26bcb8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.731666] RAX: ffffffffffffffda RBX: 00007ffe7e26c2f8 RCX: 00007f4d7950b0d7 [ 52.732212] RDX: 00007f4d7957541f RSI: 00007ffe7e26bc50 RDI: 0000000040000000 [ 52.732689] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe7e26ba60 [ 52.733267] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f4d7961dbf0 [ 52.733742] R13: 00007ffe7e26bd90 R14: 0000000000000000 R15: 00000000000000f8 [ 52.734373] [ 52.734542] irq event stamp: 12615 [ 52.734788] hardirqs last enabled at (12625): [] __up_console_sem+0x78/0x80 [ 52.735463] hardirqs last disabled at (12684): [] __up_console_sem+0x5d/0x80 [ 52.736114] softirqs last enabled at (12724): [] irq_exit_rcu+0x93/0xc0 [ 52.736674] softirqs last disabled at (12693): [] irq_exit_rcu+0x93/0xc0 [ 52.737330] ---[ end trace 0000000000000000 ]--- executing program [ 54.474639] Bluetooth: hci0: command 0x0409 tx timeout [ 56.522096] Bluetooth: hci0: command 0x041b tx timeout executing program [ 58.570093] Bluetooth: hci0: command 0x040f tx timeout executing program [ 60.618125] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 04:40:10 Registers: info registers vcpu 0 RAX=0000000080000000 RBX=0000000000000000 RCX=0000000000000000 RDX=ffff888017b98000 RSI=ffffffff816ff5fe RDI=0000000000000005 RBP=ffffffff849eec40 RSP=ffff88800fcb7970 R8 =0000000000000005 R9 =0000000000000000 R10=0000000000000000 R11=205d353439393536 R12=0000000000000024 R13=00000000000000a8 R14=00007f229acb1da8 R15=ffff88800fcb7a18 RIP=ffffffff814be660 RFL=00000246 [---Z-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 00007f229acd2700 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=00007fc7ac1be8b0 CR3=000000000e43c000 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=30343a34302038312079614d3e30333c XMM01=7661532f64616f4c2064657472617453 XMM02=6c694b20465220657661532f64616f4c XMM03=747379732032313a30343a3430203831 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320383234 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000029 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88802021f618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000029 R11=0000000000000001 R12=0000000000000029 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 0000555556472400 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=00007fab716026f4 CR3=000000000c93c000 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