Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:28672' (ECDSA) to the list of known hosts. 2023/05/17 06:04:11 fuzzer started 2023/05/17 06:04:12 dialing manager at localhost:35573 2023/05/17 06:04:12 checking machine... 2023/05/17 06:04:12 checking revisions... syzkaller login: [ 38.183303] kmemleak: Automatic memory scanning thread ended 2023/05/17 06:04:12 testing simple program... [ 38.271519] cgroup: Unknown subsys name 'net' [ 38.367695] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.348265] audit: type=1400 audit(1684303465.467:6): 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 [ 52.443029] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.444848] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.446645] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.449705] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.452695] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.453980] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.825497] ------------[ cut here ]------------ [ 52.826290] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.828424] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.829556] Modules linked in: [ 52.829965] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.834535] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.835650] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.836358] 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 [ 52.838578] RSP: 0018:ffff88801edb7c00 EFLAGS: 00010282 [ 52.839275] RAX: 0000000000000000 RBX: ffff88800ef36840 RCX: 0000000000000000 [ 52.840189] RDX: ffff88800fd151c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.841114] RBP: ffff88800ef36854 R08: 0000000000000001 R09: 0000000000000000 [ 52.841987] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.842881] R13: ffffffff84e223a0 R14: ffff88800ef36848 R15: ffffffff84d73340 [ 52.843798] FS: 00005555562f2400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.844827] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.845575] CR2: 00007f72b9587ce8 CR3: 000000001a6be000 CR4: 0000000000350ee0 [ 52.846478] Call Trace: [ 52.846810] [ 52.847140] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.847757] ipv4_frags_init_net+0x269/0x440 [ 52.848391] ops_init+0xbb/0x6b0 [ 52.848845] setup_net+0x3d9/0x990 [ 52.849332] ? down_read_killable+0x1d7/0x4e0 [ 52.849919] ? __pfx_setup_net+0x10/0x10 [ 52.850455] ? copy_net_ns+0x17c/0x770 [ 52.850970] copy_net_ns+0x321/0x770 [ 52.851475] create_new_namespaces+0x3f6/0xb30 [ 52.852099] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.852722] ksys_unshare+0x44d/0x8e0 [ 52.853251] ? __pfx_ksys_unshare+0x10/0x10 [ 52.853798] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.854539] __x64_sys_unshare+0x31/0x40 [ 52.855086] do_syscall_64+0x3f/0x90 [ 52.855560] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.856279] RIP: 0033:0x7f26859bc0d7 [ 52.856744] 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 [ 52.858925] RSP: 002b:00007ffcdffb4178 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.859886] RAX: ffffffffffffffda RBX: 00007ffcdffb47b8 RCX: 00007f26859bc0d7 [ 52.860785] RDX: 00007f2685a2641f RSI: 00007ffcdffb4110 RDI: 0000000040000000 [ 52.861685] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcdffb3f20 [ 52.862573] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f2685acebf0 [ 52.863457] R13: 00007ffcdffb4250 R14: 0000000000000000 R15: 00000000000000f8 [ 52.864400] [ 52.864707] irq event stamp: 10391 [ 52.865167] hardirqs last enabled at (10403): [] __up_console_sem+0x78/0x80 [ 52.866239] hardirqs last disabled at (10414): [] __up_console_sem+0x5d/0x80 [ 52.867313] softirqs last enabled at (9940): [] irq_exit_rcu+0x93/0xc0 [ 52.868382] softirqs last disabled at (9905): [] irq_exit_rcu+0x93/0xc0 [ 52.869439] ---[ end trace 0000000000000000 ]--- [ 52.874922] ------------[ cut here ]------------ [ 52.875560] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.877432] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.878502] Modules linked in: [ 52.878925] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.880110] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.881141] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.881797] 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 [ 52.884071] RSP: 0018:ffff88801edb7c00 EFLAGS: 00010282 [ 52.884738] RAX: 0000000000000000 RBX: ffff88800c4cbc40 RCX: 0000000000000000 [ 52.885629] RDX: ffff88800fd151c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.886512] RBP: ffff88800c4cbc54 R08: 0000000000000001 R09: 0000000000000000 [ 52.887400] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.888297] R13: ffffffff84e223a0 R14: ffff88800c4cbc48 R15: ffffffff84da62e0 [ 52.889193] FS: 00005555562f2400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.890194] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.890914] CR2: 00007f72b9587ce8 CR3: 000000001a6be000 CR4: 0000000000350ee0 [ 52.891843] Call Trace: [ 52.892201] [ 52.892506] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.893147] ipv6_frags_init_net+0x206/0x3c0 [ 52.893717] ops_init+0xbb/0x6b0 [ 52.894192] setup_net+0x3d9/0x990 [ 52.894649] ? down_read_killable+0x1d7/0x4e0 [ 52.895251] ? __pfx_setup_net+0x10/0x10 [ 52.895761] ? copy_net_ns+0x17c/0x770 [ 52.896313] copy_net_ns+0x321/0x770 [ 52.896806] create_new_namespaces+0x3f6/0xb30 [ 52.897427] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.898078] ksys_unshare+0x44d/0x8e0 [ 52.898574] ? __pfx_ksys_unshare+0x10/0x10 [ 52.899159] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.899882] __x64_sys_unshare+0x31/0x40 [ 52.900428] do_syscall_64+0x3f/0x90 [ 52.900912] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.901581] RIP: 0033:0x7f26859bc0d7 [ 52.902084] 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 [ 52.904308] RSP: 002b:00007ffcdffb4178 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.905268] RAX: ffffffffffffffda RBX: 00007ffcdffb47b8 RCX: 00007f26859bc0d7 [ 52.906153] RDX: 00007f2685a2641f RSI: 00007ffcdffb4110 RDI: 0000000040000000 [ 52.907023] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcdffb3f20 [ 52.907912] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f2685acebf0 [ 52.908813] R13: 00007ffcdffb4250 R14: 0000000000000000 R15: 00000000000000f8 [ 52.909726] [ 52.910028] irq event stamp: 12145 [ 52.910491] hardirqs last enabled at (12157): [] __up_console_sem+0x78/0x80 [ 52.911565] hardirqs last disabled at (12168): [] __up_console_sem+0x5d/0x80 [ 52.912659] softirqs last enabled at (11698): [] irq_exit_rcu+0x93/0xc0 [ 52.913699] softirqs last disabled at (11693): [] irq_exit_rcu+0x93/0xc0 [ 52.914761] ---[ end trace 0000000000000000 ]--- [ 52.916137] ------------[ cut here ]------------ [ 52.916724] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.918581] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.919634] Modules linked in: [ 52.920094] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.921245] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.922257] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.922898] 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 [ 52.925085] RSP: 0018:ffff88801edb7bf0 EFLAGS: 00010286 [ 52.925734] RAX: 0000000000000000 RBX: ffff88800c4cb640 RCX: 0000000000000000 [ 52.926628] RDX: ffff88800fd151c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.927520] RBP: ffff88800c4cb654 R08: 0000000000000001 R09: 0000000000000000 [ 52.928426] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.929324] R13: ffffffff84e223a0 R14: ffff88800c4cb648 R15: ffffffff84daf020 [ 52.930222] FS: 00005555562f2400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.931216] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.931931] CR2: 00007f72b9587ce8 CR3: 000000001a6be000 CR4: 0000000000350ee0 [ 52.932835] Call Trace: [ 52.933197] [ 52.933505] nf_ct_net_init+0x224/0x3d0 [ 52.934020] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.934624] ops_init+0xbb/0x6b0 [ 52.935097] setup_net+0x3d9/0x990 [ 52.935553] ? down_read_killable+0x1d7/0x4e0 [ 52.936175] ? __pfx_setup_net+0x10/0x10 [ 52.936685] ? copy_net_ns+0x17c/0x770 [ 52.937219] copy_net_ns+0x321/0x770 [ 52.937699] create_new_namespaces+0x3f6/0xb30 [ 52.938321] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.938935] ksys_unshare+0x44d/0x8e0 [ 52.939466] ? __pfx_ksys_unshare+0x10/0x10 [ 52.940029] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.940774] __x64_sys_unshare+0x31/0x40 [ 52.941333] do_syscall_64+0x3f/0x90 [ 52.941811] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.942486] RIP: 0033:0x7f26859bc0d7 [ 52.942959] 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 [ 52.945150] RSP: 002b:00007ffcdffb4178 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.946095] RAX: ffffffffffffffda RBX: 00007ffcdffb47b8 RCX: 00007f26859bc0d7 [ 52.946981] RDX: 00007f2685a2641f RSI: 00007ffcdffb4110 RDI: 0000000040000000 [ 52.947906] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcdffb3f20 [ 52.948795] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f2685acebf0 [ 52.949686] R13: 00007ffcdffb4250 R14: 0000000000000000 R15: 00000000000000f8 [ 52.950595] [ 52.950902] irq event stamp: 12889 [ 52.951365] hardirqs last enabled at (12901): [] __up_console_sem+0x78/0x80 [ 52.952437] hardirqs last disabled at (12912): [] __up_console_sem+0x5d/0x80 [ 52.953506] softirqs last enabled at (12798): [] irq_exit_rcu+0x93/0xc0 [ 52.954549] softirqs last disabled at (12793): [] irq_exit_rcu+0x93/0xc0 [ 52.955590] ---[ end trace 0000000000000000 ]--- executing program [ 54.473749] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 56.521668] Bluetooth: hci0: command 0x041b tx timeout [ 58.570142] Bluetooth: hci0: command 0x040f tx timeout executing program [ 60.617136] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 06:04:17 Registers: info registers vcpu 0 RAX=0000000000000003 RBX=0000000000000002 RCX=ffffffff844e98c6 RDX=0000000000034e98 RSI=0000000000034e98 RDI=ffffffff865ad328 RBP=ffff88806ce09af8 RSP=ffff88806ce09a30 R8 =0000000000000000 R9 =ffffffff860c72be R10=0000000000038001 R11=00000000000b52b5 R12=ffff88806ce09b00 R13=ffff88806ce09ae8 R14=ffff88806ce09ae1 R15=ffff88806ce09aa0 RIP=ffffffff811314b2 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 00007f397edd8700 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=00007f397403a0e8 CR3=000000000939e000 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=2036323a34303a36302037312079614d XMM01=5d3432343832382e32352020205b203a XMM02=74656e20746120383532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120383532203a4449 XMM06=57205d3432343832382e32352020205b XMM07=79732036323a34303a36302037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000023 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801edb75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000023 R11=0000000000000001 R12=0000000000000023 R13=ffffffff87f27bc0 R14=0000000000000010 R15=ffffffff82507670 RIP=ffffffff825076dd 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 00005555562f2400 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=00007f72b9587ce8 CR3=000000001a6be000 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