Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:8631' (ECDSA) to the list of known hosts. 2023/05/17 02:25:11 fuzzer started 2023/05/17 02:25:11 dialing manager at localhost:35573 2023/05/17 02:25:11 checking machine... 2023/05/17 02:25:11 checking revisions... syzkaller login: [ 31.748539] kmemleak: Automatic memory scanning thread ended 2023/05/17 02:25:12 testing simple program... [ 31.822937] cgroup: Unknown subsys name 'net' [ 31.950630] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 45.432496] audit: type=1400 audit(1684290325.794:6): 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 [ 46.561402] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 46.563370] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 46.568341] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 46.572063] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 46.573444] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 46.575283] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 46.960171] ------------[ cut here ]------------ [ 46.960882] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 46.962731] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 46.963815] Modules linked in: [ 46.964228] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 46.965432] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.969877] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 46.970667] 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 [ 46.972962] RSP: 0018:ffff888019a9fc00 EFLAGS: 00010282 [ 46.973761] RAX: 0000000000000000 RBX: ffff88800c52c440 RCX: 0000000000000000 [ 46.974740] RDX: ffff8880147a0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 46.975726] RBP: ffff88800c52c454 R08: 0000000000000001 R09: 0000000000000000 [ 46.976707] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 46.977696] R13: ffffffff84e223a0 R14: ffff88800c52c448 R15: ffffffff84d73340 [ 46.978687] FS: 0000555555c5d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 46.979785] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.980713] CR2: 00007f1f309af6f4 CR3: 000000001a1a2000 CR4: 0000000000350ee0 [ 46.981779] Call Trace: [ 46.982108] [ 46.982406] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 46.983169] ipv4_frags_init_net+0x269/0x440 [ 46.983937] ops_init+0xbb/0x6b0 [ 46.984394] setup_net+0x3d9/0x990 [ 46.984931] ? down_read_killable+0x1d7/0x4e0 [ 46.985539] ? __pfx_setup_net+0x10/0x10 [ 46.986052] ? copy_net_ns+0x17c/0x770 [ 46.986595] copy_net_ns+0x321/0x770 [ 46.987073] create_new_namespaces+0x3f6/0xb30 [ 46.987702] unshare_nsproxy_namespaces+0xc1/0x200 [ 46.988323] ksys_unshare+0x44d/0x8e0 [ 46.988861] ? __pfx_ksys_unshare+0x10/0x10 [ 46.989413] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 46.990161] __x64_sys_unshare+0x31/0x40 [ 46.990706] do_syscall_64+0x3f/0x90 [ 46.991184] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 46.991855] RIP: 0033:0x7f4dfd44f0d7 [ 46.992322] 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 [ 46.994515] RSP: 002b:00007ffec58337c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 46.995420] RAX: ffffffffffffffda RBX: 00007ffec5833e08 RCX: 00007f4dfd44f0d7 [ 46.996325] RDX: 00007f4dfd4b941f RSI: 00007ffec5833760 RDI: 0000000040000000 [ 46.997230] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffec5833570 [ 46.998133] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4dfd561bf0 [ 46.999029] R13: 00007ffec58338a0 R14: 0000000000000000 R15: 00000000000000f8 [ 46.999943] [ 47.000245] irq event stamp: 9165 [ 47.000717] hardirqs last enabled at (9177): [] __up_console_sem+0x78/0x80 [ 47.001780] hardirqs last disabled at (9188): [] __up_console_sem+0x5d/0x80 [ 47.002848] softirqs last enabled at (8918): [] irq_exit_rcu+0x93/0xc0 [ 47.003896] softirqs last disabled at (8901): [] irq_exit_rcu+0x93/0xc0 [ 47.004979] ---[ end trace 0000000000000000 ]--- [ 47.010043] ------------[ cut here ]------------ [ 47.010957] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 47.012656] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 47.013708] Modules linked in: [ 47.014117] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 47.015269] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.016277] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 47.016973] 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 [ 47.019143] RSP: 0018:ffff888019a9fc00 EFLAGS: 00010282 [ 47.019836] RAX: 0000000000000000 RBX: ffff888015c24e40 RCX: 0000000000000000 [ 47.020745] RDX: ffff8880147a0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 47.021649] RBP: ffff888015c24e54 R08: 0000000000000001 R09: 0000000000000000 [ 47.022539] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 47.023403] R13: ffffffff84e223a0 R14: ffff888015c24e48 R15: ffffffff84da62e0 [ 47.024289] FS: 0000555555c5d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 47.025315] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.026071] CR2: 00007f1f309af6f4 CR3: 000000001a1a2000 CR4: 0000000000350ee0 [ 47.026967] Call Trace: [ 47.027298] [ 47.027647] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 47.028254] ipv6_frags_init_net+0x206/0x3c0 [ 47.028856] ops_init+0xbb/0x6b0 [ 47.029298] setup_net+0x3d9/0x990 [ 47.029784] ? down_read_killable+0x1d7/0x4e0 [ 47.030346] ? __pfx_setup_net+0x10/0x10 [ 47.030891] ? copy_net_ns+0x17c/0x770 [ 47.031398] copy_net_ns+0x321/0x770 [ 47.031913] create_new_namespaces+0x3f6/0xb30 [ 47.032529] unshare_nsproxy_namespaces+0xc1/0x200 [ 47.033169] ksys_unshare+0x44d/0x8e0 [ 47.033693] ? __pfx_ksys_unshare+0x10/0x10 [ 47.034236] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 47.034976] __x64_sys_unshare+0x31/0x40 [ 47.035540] do_syscall_64+0x3f/0x90 [ 47.036009] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 47.036688] RIP: 0033:0x7f4dfd44f0d7 [ 47.037151] 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 [ 47.039311] RSP: 002b:00007ffec58337c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 47.040263] RAX: ffffffffffffffda RBX: 00007ffec5833e08 RCX: 00007f4dfd44f0d7 [ 47.041175] RDX: 00007f4dfd4b941f RSI: 00007ffec5833760 RDI: 0000000040000000 [ 47.042077] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffec5833570 [ 47.042970] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4dfd561bf0 [ 47.043872] R13: 00007ffec58338a0 R14: 0000000000000000 R15: 00000000000000f8 [ 47.044822] [ 47.045125] irq event stamp: 10917 [ 47.045590] hardirqs last enabled at (10929): [] __up_console_sem+0x78/0x80 [ 47.046659] hardirqs last disabled at (10940): [] __up_console_sem+0x5d/0x80 [ 47.047726] softirqs last enabled at (10400): [] irq_exit_rcu+0x93/0xc0 [ 47.048788] softirqs last disabled at (10285): [] irq_exit_rcu+0x93/0xc0 [ 47.049835] ---[ end trace 0000000000000000 ]--- [ 47.051187] ------------[ cut here ]------------ [ 47.051860] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 47.053892] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 47.054944] Modules linked in: [ 47.055349] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 47.056518] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.057548] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 47.058187] 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 [ 47.060348] RSP: 0018:ffff888019a9fbf0 EFLAGS: 00010286 [ 47.061059] RAX: 0000000000000000 RBX: ffff888015c25640 RCX: 0000000000000000 [ 47.061947] RDX: ffff8880147a0000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 47.062831] RBP: ffff888015c25654 R08: 0000000000000001 R09: 0000000000000000 [ 47.063727] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 47.064632] R13: ffffffff84e223a0 R14: ffff888015c25648 R15: ffffffff84daf020 [ 47.065528] FS: 0000555555c5d400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 47.066523] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.067232] CR2: 00007f1f309af6f4 CR3: 000000001a1a2000 CR4: 0000000000350ee0 [ 47.068129] Call Trace: [ 47.068485] [ 47.068808] nf_ct_net_init+0x224/0x3d0 [ 47.069316] ? __pfx_nf_ct_net_init+0x10/0x10 [ 47.069941] ops_init+0xbb/0x6b0 [ 47.070393] setup_net+0x3d9/0x990 [ 47.070876] ? down_read_killable+0x1d7/0x4e0 [ 47.071440] ? __pfx_setup_net+0x10/0x10 [ 47.071972] ? copy_net_ns+0x17c/0x770 [ 47.072506] copy_net_ns+0x321/0x770 [ 47.072997] create_new_namespaces+0x3f6/0xb30 [ 47.073617] unshare_nsproxy_namespaces+0xc1/0x200 [ 47.074227] ksys_unshare+0x44d/0x8e0 [ 47.074751] ? __pfx_ksys_unshare+0x10/0x10 [ 47.075297] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 47.076035] __x64_sys_unshare+0x31/0x40 [ 47.076595] do_syscall_64+0x3f/0x90 [ 47.077068] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 47.077749] RIP: 0033:0x7f4dfd44f0d7 [ 47.078243] 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 [ 47.080411] RSP: 002b:00007ffec58337c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 47.081397] RAX: ffffffffffffffda RBX: 00007ffec5833e08 RCX: 00007f4dfd44f0d7 [ 47.082310] RDX: 00007f4dfd4b941f RSI: 00007ffec5833760 RDI: 0000000040000000 [ 47.083191] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffec5833570 [ 47.084120] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f4dfd561bf0 [ 47.085025] R13: 00007ffec58338a0 R14: 0000000000000000 R15: 00000000000000f8 [ 47.085944] [ 47.086247] irq event stamp: 11729 [ 47.086717] hardirqs last enabled at (11741): [] __up_console_sem+0x78/0x80 [ 47.087785] hardirqs last disabled at (11752): [] __up_console_sem+0x5d/0x80 [ 47.088913] softirqs last enabled at (11770): [] irq_exit_rcu+0x93/0xc0 [ 47.089969] softirqs last disabled at (11761): [] irq_exit_rcu+0x93/0xc0 [ 47.091021] ---[ end trace 0000000000000000 ]--- [ 48.642685] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 50.688537] Bluetooth: hci0: command 0x041b tx timeout executing program [ 52.736588] Bluetooth: hci0: command 0x040f tx timeout [ 54.784535] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 02:25:24 Registers: info registers vcpu 0 RAX=000000000001b9a7 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=00000202 [-------] 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=00007f531c6df470 CR3=000000000f54e000 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=2037323a35323a32302037312079614d XMM01=5d3233343536392e36342020205b203a XMM02=435020647261646e61745320554d4551 XMM03=312e3120534f4942202c293639393120 XMM04=32312e3120534f4942202c2936393931 XMM05=20435020647261646e61745320554d45 XMM06=205d3233343536392e36342020205b20 XMM07=732037323a35323a3230203731207961 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000006e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888019a9f618 R8 =0000000000000001 R9 =000000000000000a R10=000000000000006e R11=0000000000000001 R12=000000000000006e 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 0000555555c5d400 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=00007f1f309af6f4 CR3=000000001a1a2000 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