Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:56126' (ECDSA) to the list of known hosts. 2023/05/16 13:42:11 fuzzer started 2023/05/16 13:42:12 dialing manager at localhost:35573 2023/05/16 13:42:12 checking machine... 2023/05/16 13:42:12 checking revisions... syzkaller login: [ 37.919133] kmemleak: Automatic memory scanning thread ended 2023/05/16 13:42:12 testing simple program... [ 37.968322] cgroup: Unknown subsys name 'net' [ 38.044888] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.793773] audit: type=1400 audit(1684244545.185:6): avc: denied { execmem } for pid=264 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 51.918696] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.920679] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.925276] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.928348] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.929953] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.932084] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.311890] ------------[ cut here ]------------ [ 52.312793] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.315051] WARNING: CPU: 1 PID: 265 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.316345] Modules linked in: [ 52.316932] CPU: 1 PID: 265 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.319273] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.321474] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.322673] 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 [ 52.325328] RSP: 0018:ffff8880187a7c00 EFLAGS: 00010282 [ 52.326049] RAX: 0000000000000000 RBX: ffff88800dc43040 RCX: 0000000000000000 [ 52.326866] RDX: ffff88801a47b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.327712] RBP: ffff88800dc43054 R08: 0000000000000001 R09: 0000000000000000 [ 52.328557] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.329408] R13: ffffffff84e223a0 R14: ffff88800dc43048 R15: ffffffff84d73340 [ 52.330273] FS: 000055555675e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.331220] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.331892] CR2: 00007f1da8509670 CR3: 000000000f24c000 CR4: 0000000000350ee0 [ 52.332742] Call Trace: [ 52.333096] [ 52.333390] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.334034] ipv4_frags_init_net+0x269/0x440 [ 52.334572] ops_init+0xbb/0x6b0 [ 52.335031] setup_net+0x3d9/0x990 [ 52.335481] ? down_read_killable+0x1d7/0x4e0 [ 52.336075] ? __pfx_setup_net+0x10/0x10 [ 52.336569] ? copy_net_ns+0x17c/0x770 [ 52.337085] copy_net_ns+0x321/0x770 [ 52.337554] create_new_namespaces+0x3f6/0xb30 [ 52.338159] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.338775] ksys_unshare+0x44d/0x8e0 [ 52.339286] ? __pfx_ksys_unshare+0x10/0x10 [ 52.339829] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.340572] __x64_sys_unshare+0x31/0x40 [ 52.341131] do_syscall_64+0x3f/0x90 [ 52.341607] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.342295] RIP: 0033:0x7f85329950d7 [ 52.342754] 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 [ 52.344891] RSP: 002b:00007fffc93e9db8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.345865] RAX: ffffffffffffffda RBX: 00007fffc93ea3f8 RCX: 00007f85329950d7 [ 52.346754] RDX: 00007f85329ff41f RSI: 00007fffc93e9d50 RDI: 0000000040000000 [ 52.347642] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffc93e9b60 [ 52.348522] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f8532aa7bf0 [ 52.349410] R13: 00007fffc93e9e90 R14: 0000000000000000 R15: 00000000000000f8 [ 52.350335] [ 52.350643] irq event stamp: 8147 [ 52.351096] hardirqs last enabled at (8159): [] __up_console_sem+0x78/0x80 [ 52.352146] hardirqs last disabled at (8170): [] __up_console_sem+0x5d/0x80 [ 52.353198] softirqs last enabled at (8084): [] irq_exit_rcu+0x93/0xc0 [ 52.354242] softirqs last disabled at (8079): [] irq_exit_rcu+0x93/0xc0 [ 52.355269] ---[ end trace 0000000000000000 ]--- [ 52.360800] ------------[ cut here ]------------ [ 52.361556] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.363317] WARNING: CPU: 1 PID: 265 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.364384] Modules linked in: [ 52.364798] CPU: 1 PID: 265 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.365977] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.366983] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.367665] 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 [ 52.369838] RSP: 0018:ffff8880187a7c00 EFLAGS: 00010282 [ 52.370531] RAX: 0000000000000000 RBX: ffff88801024c440 RCX: 0000000000000000 [ 52.371438] RDX: ffff88801a47b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.372339] RBP: ffff88801024c454 R08: 0000000000000001 R09: 0000000000000000 [ 52.373229] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.374126] R13: ffffffff84e223a0 R14: ffff88801024c448 R15: ffffffff84da62e0 [ 52.374985] FS: 000055555675e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.376028] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.376739] CR2: 00007f1da8509670 CR3: 000000000f24c000 CR4: 0000000000350ee0 [ 52.377629] Call Trace: [ 52.377977] [ 52.378318] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.378899] ipv6_frags_init_net+0x206/0x3c0 [ 52.379461] ops_init+0xbb/0x6b0 [ 52.379903] setup_net+0x3d9/0x990 [ 52.380372] ? down_read_killable+0x1d7/0x4e0 [ 52.380913] ? __pfx_setup_net+0x10/0x10 [ 52.381418] ? copy_net_ns+0x17c/0x770 [ 52.381922] copy_net_ns+0x321/0x770 [ 52.382424] create_new_namespaces+0x3f6/0xb30 [ 52.383137] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.383766] ksys_unshare+0x44d/0x8e0 [ 52.384290] ? __pfx_ksys_unshare+0x10/0x10 [ 52.384834] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.385586] __x64_sys_unshare+0x31/0x40 [ 52.386150] do_syscall_64+0x3f/0x90 [ 52.386604] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.387233] RIP: 0033:0x7f85329950d7 [ 52.387669] 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 [ 52.389710] RSP: 002b:00007fffc93e9db8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.390619] RAX: ffffffffffffffda RBX: 00007fffc93ea3f8 RCX: 00007f85329950d7 [ 52.391462] RDX: 00007f85329ff41f RSI: 00007fffc93e9d50 RDI: 0000000040000000 [ 52.392309] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffc93e9b60 [ 52.393150] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f8532aa7bf0 [ 52.393975] R13: 00007fffc93e9e90 R14: 0000000000000000 R15: 00000000000000f8 [ 52.394838] [ 52.395154] irq event stamp: 10183 [ 52.395563] hardirqs last enabled at (10193): [] __up_console_sem+0x78/0x80 [ 52.396562] hardirqs last disabled at (10204): [] __up_console_sem+0x5d/0x80 [ 52.397565] softirqs last enabled at (9666): [] irq_exit_rcu+0x93/0xc0 [ 52.398545] softirqs last disabled at (9613): [] irq_exit_rcu+0x93/0xc0 [ 52.399501] ---[ end trace 0000000000000000 ]--- [ 52.400777] ------------[ cut here ]------------ [ 52.401367] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.403285] WARNING: CPU: 1 PID: 265 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.404270] Modules linked in: [ 52.404651] CPU: 1 PID: 265 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.405753] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.406712] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.407345] 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 [ 52.409377] RSP: 0018:ffff8880187a7bf0 EFLAGS: 00010286 [ 52.410031] RAX: 0000000000000000 RBX: ffff88800d801e40 RCX: 0000000000000000 [ 52.410832] RDX: ffff88801a47b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.411673] RBP: ffff88800d801e54 R08: 0000000000000001 R09: 0000000000000000 [ 52.412523] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.413360] R13: ffffffff84e223a0 R14: ffff88800d801e48 R15: ffffffff84daf020 [ 52.414232] FS: 000055555675e400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.415246] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.415959] CR2: 00007f1da8509670 CR3: 000000000f24c000 CR4: 0000000000350ee0 [ 52.416859] Call Trace: [ 52.417211] [ 52.417514] nf_ct_net_init+0x224/0x3d0 [ 52.418064] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.418632] ops_init+0xbb/0x6b0 [ 52.419131] setup_net+0x3d9/0x990 [ 52.419650] ? down_read_killable+0x1d7/0x4e0 [ 52.420331] ? __pfx_setup_net+0x10/0x10 [ 52.420919] ? copy_net_ns+0x17c/0x770 [ 52.421526] copy_net_ns+0x321/0x770 [ 52.422116] create_new_namespaces+0x3f6/0xb30 [ 52.422782] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.423515] ksys_unshare+0x44d/0x8e0 [ 52.424109] ? __pfx_ksys_unshare+0x10/0x10 [ 52.424739] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.425591] __x64_sys_unshare+0x31/0x40 [ 52.426218] do_syscall_64+0x3f/0x90 [ 52.426757] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.427532] RIP: 0033:0x7f85329950d7 [ 52.428074] 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 [ 52.430237] RSP: 002b:00007fffc93e9db8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 52.431186] RAX: ffffffffffffffda RBX: 00007fffc93ea3f8 RCX: 00007f85329950d7 [ 52.432078] RDX: 00007f85329ff41f RSI: 00007fffc93e9d50 RDI: 0000000040000000 [ 52.432926] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffc93e9b60 [ 52.433843] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f8532aa7bf0 [ 52.434735] R13: 00007fffc93e9e90 R14: 0000000000000000 R15: 00000000000000f8 [ 52.435651] [ 52.435953] irq event stamp: 10941 [ 52.436416] hardirqs last enabled at (10953): [] __up_console_sem+0x78/0x80 [ 52.437472] hardirqs last disabled at (10964): [] __up_console_sem+0x5d/0x80 [ 52.438540] softirqs last enabled at (10602): [] irq_exit_rcu+0x93/0xc0 [ 52.439570] softirqs last disabled at (10593): [] irq_exit_rcu+0x93/0xc0 [ 52.440606] ---[ end trace 0000000000000000 ]--- executing program [ 53.991911] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 56.039076] Bluetooth: hci0: command 0x041b tx timeout [ 58.087099] Bluetooth: hci0: command 0x040f tx timeout executing program [ 60.135094] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 13:42:25 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=dffffc0000000000 RCX=0000000000000001 RDX=ffff88800de48510 RSI=0000000000000002 RDI=ffff88801934a5e0 RBP=ffff88801934a5e0 RSP=ffff888017047c68 R8 =0000000000000003 R9 =0000000000004000 R10=0000000000008000 R11=0000000000000001 R12=0000000000000001 R13=0000000000000002 R14=ffff88800de48510 R15=0000000000000002 RIP=ffffffff8198e114 RFL=00000292 [--S-A--] 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 00007fdfbbfff700 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=00007f1da8527e40 CR3=000000000f2a2000 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=2036323a32343a33312036312079614d XMM01=5d3337323931332e32352020205b203a XMM02=435020647261646e61745320554d4551 XMM03=312e3120534f4942202c293639393120 XMM04=32312e3120534f4942202c2936393931 XMM05=20435020647261646e61745320554d45 XMM06=205d3337323931332e32352020205b20 XMM07=732036323a32343a3331203631207961 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880187a75e0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 000055555675e400 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=00007f1da8509670 CR3=000000000f24c000 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