Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:18724' (ECDSA) to the list of known hosts. 2023/05/17 07:02:58 fuzzer started 2023/05/17 07:02:58 dialing manager at localhost:35573 2023/05/17 07:02:58 checking machine... 2023/05/17 07:02:58 checking revisions... syzkaller login: [ 39.961621] kmemleak: Automatic memory scanning thread ended 2023/05/17 07:02:59 testing simple program... [ 40.035615] cgroup: Unknown subsys name 'net' [ 40.127396] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 52.520007] audit: type=1400 audit(1684306991.616:6): 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 [ 53.633895] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.635711] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.638231] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.640920] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.642345] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.643603] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 54.043070] ------------[ cut here ]------------ [ 54.043737] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 54.045465] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.046537] Modules linked in: [ 54.046974] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.052297] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.053413] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.054192] 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 [ 54.056491] RSP: 0018:ffff888019b67c00 EFLAGS: 00010282 [ 54.057293] RAX: 0000000000000000 RBX: ffff88800e692c40 RCX: 0000000000000000 [ 54.058372] RDX: ffff888019b50000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.059475] RBP: ffff88800e692c54 R08: 0000000000000001 R09: 0000000000000000 [ 54.060509] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 54.061557] R13: ffffffff84e223a0 R14: ffff88800e692c48 R15: ffffffff84d73340 [ 54.062679] FS: 000055555705a400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 54.063858] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.064685] CR2: 00007fab323246f4 CR3: 0000000018bde000 CR4: 0000000000350ef0 [ 54.065530] Call Trace: [ 54.065899] [ 54.066200] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 54.066845] ipv4_frags_init_net+0x269/0x440 [ 54.067395] ops_init+0xbb/0x6b0 [ 54.067885] setup_net+0x3d9/0x990 [ 54.068379] ? down_read_killable+0x1d7/0x4e0 [ 54.068989] ? __pfx_setup_net+0x10/0x10 [ 54.069519] ? copy_net_ns+0x17c/0x770 [ 54.070082] copy_net_ns+0x321/0x770 [ 54.070586] create_new_namespaces+0x3f6/0xb30 [ 54.071234] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.071921] ksys_unshare+0x44d/0x8e0 [ 54.072470] ? __pfx_ksys_unshare+0x10/0x10 [ 54.073074] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.073846] __x64_sys_unshare+0x31/0x40 [ 54.074387] do_syscall_64+0x3f/0x90 [ 54.074915] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.075587] RIP: 0033:0x7f1560f620d7 [ 54.076114] 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 [ 54.078411] RSP: 002b:00007ffcd0437818 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.079403] RAX: ffffffffffffffda RBX: 00007ffcd0437e58 RCX: 00007f1560f620d7 [ 54.080365] RDX: 00007f1560fcc41f RSI: 00007ffcd04377b0 RDI: 0000000040000000 [ 54.081302] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcd04375c0 [ 54.082236] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f1561074bf0 [ 54.083177] R13: 00007ffcd04378f0 R14: 0000000000000000 R15: 00000000000000f8 [ 54.084153] [ 54.084470] irq event stamp: 9409 [ 54.084943] hardirqs last enabled at (9421): [] __up_console_sem+0x78/0x80 [ 54.086048] hardirqs last disabled at (9432): [] __up_console_sem+0x5d/0x80 [ 54.087139] softirqs last enabled at (9086): [] irq_exit_rcu+0x93/0xc0 [ 54.088226] softirqs last disabled at (9075): [] irq_exit_rcu+0x93/0xc0 [ 54.089310] ---[ end trace 0000000000000000 ]--- [ 54.094527] ------------[ cut here ]------------ [ 54.095439] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 54.097127] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.098214] Modules linked in: [ 54.098671] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.099875] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.100946] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.101610] 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 [ 54.103859] RSP: 0018:ffff888019b67c00 EFLAGS: 00010282 [ 54.104712] RAX: 0000000000000000 RBX: ffff88800e647040 RCX: 0000000000000000 [ 54.105713] RDX: ffff888019b50000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.106606] RBP: ffff88800e647054 R08: 0000000000000001 R09: 0000000000000000 [ 54.107525] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.108483] R13: ffffffff84e223a0 R14: ffff88800e647048 R15: ffffffff84da62e0 [ 54.109394] FS: 000055555705a400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 54.110424] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.111181] CR2: 00007fab323246f4 CR3: 0000000018bde000 CR4: 0000000000350ef0 [ 54.112118] Call Trace: [ 54.112451] [ 54.112794] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 54.113426] ipv6_frags_init_net+0x206/0x3c0 [ 54.114034] ops_init+0xbb/0x6b0 [ 54.114496] setup_net+0x3d9/0x990 [ 54.114995] ? down_read_killable+0x1d7/0x4e0 [ 54.115580] ? __pfx_setup_net+0x10/0x10 [ 54.116157] ? copy_net_ns+0x17c/0x770 [ 54.116719] copy_net_ns+0x321/0x770 [ 54.117217] create_new_namespaces+0x3f6/0xb30 [ 54.117856] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.118499] ksys_unshare+0x44d/0x8e0 [ 54.119049] ? __pfx_ksys_unshare+0x10/0x10 [ 54.119617] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.120436] __x64_sys_unshare+0x31/0x40 [ 54.121008] do_syscall_64+0x3f/0x90 [ 54.121497] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.122172] RIP: 0033:0x7f1560f620d7 [ 54.122668] 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 [ 54.124838] RSP: 002b:00007ffcd0437818 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.125795] RAX: ffffffffffffffda RBX: 00007ffcd0437e58 RCX: 00007f1560f620d7 [ 54.126688] RDX: 00007f1560fcc41f RSI: 00007ffcd04377b0 RDI: 0000000040000000 [ 54.127535] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcd04375c0 [ 54.128447] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f1561074bf0 [ 54.129337] R13: 00007ffcd04378f0 R14: 0000000000000000 R15: 00000000000000f8 [ 54.130244] [ 54.130545] irq event stamp: 11027 [ 54.131013] hardirqs last enabled at (11039): [] __up_console_sem+0x78/0x80 [ 54.132082] hardirqs last disabled at (11050): [] __up_console_sem+0x5d/0x80 [ 54.133142] softirqs last enabled at (10510): [] irq_exit_rcu+0x93/0xc0 [ 54.134186] softirqs last disabled at (10395): [] irq_exit_rcu+0x93/0xc0 [ 54.135228] ---[ end trace 0000000000000000 ]--- [ 54.136608] ------------[ cut here ]------------ [ 54.137251] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 54.139121] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.140213] Modules linked in: [ 54.140624] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 54.141810] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.142835] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.143479] 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 [ 54.145692] RSP: 0018:ffff888019b67bf0 EFLAGS: 00010286 [ 54.146352] RAX: 0000000000000000 RBX: ffff88800e646840 RCX: 0000000000000000 [ 54.147292] RDX: ffff888019b50000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 54.148246] RBP: ffff88800e646854 R08: 0000000000000001 R09: 0000000000000000 [ 54.149175] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.150097] R13: ffffffff84e223a0 R14: ffff88800e646848 R15: ffffffff84daf020 [ 54.151042] FS: 000055555705a400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 54.152103] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.152868] CR2: 00007fab323246f4 CR3: 0000000018bde000 CR4: 0000000000350ef0 [ 54.153803] Call Trace: [ 54.154143] [ 54.154455] nf_ct_net_init+0x224/0x3d0 [ 54.155021] ? __pfx_nf_ct_net_init+0x10/0x10 [ 54.155614] ops_init+0xbb/0x6b0 [ 54.156123] setup_net+0x3d9/0x990 [ 54.156584] ? down_read_killable+0x1d7/0x4e0 [ 54.157226] ? __pfx_setup_net+0x10/0x10 [ 54.157791] ? copy_net_ns+0x17c/0x770 [ 54.158312] copy_net_ns+0x321/0x770 [ 54.158842] create_new_namespaces+0x3f6/0xb30 [ 54.159448] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.160135] ksys_unshare+0x44d/0x8e0 [ 54.160675] ? __pfx_ksys_unshare+0x10/0x10 [ 54.161244] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.162022] __x64_sys_unshare+0x31/0x40 [ 54.162557] do_syscall_64+0x3f/0x90 [ 54.163083] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.163785] RIP: 0033:0x7f1560f620d7 [ 54.164275] 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 [ 54.166535] RSP: 002b:00007ffcd0437818 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.167519] RAX: ffffffffffffffda RBX: 00007ffcd0437e58 RCX: 00007f1560f620d7 [ 54.168475] RDX: 00007f1560fcc41f RSI: 00007ffcd04377b0 RDI: 0000000040000000 [ 54.169398] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffcd04375c0 [ 54.170313] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f1561074bf0 [ 54.171232] R13: 00007ffcd04378f0 R14: 0000000000000000 R15: 00000000000000f8 [ 54.172189] [ 54.172499] irq event stamp: 11767 [ 54.172978] hardirqs last enabled at (11779): [] __up_console_sem+0x78/0x80 [ 54.174084] hardirqs last disabled at (11790): [] __up_console_sem+0x5d/0x80 [ 54.175199] softirqs last enabled at (11528): [] irq_exit_rcu+0x93/0xc0 [ 54.176295] softirqs last disabled at (11523): [] irq_exit_rcu+0x93/0xc0 [ 54.177375] ---[ end trace 0000000000000000 ]--- executing program [ 55.716323] Bluetooth: hci0: command 0x0409 tx timeout [ 57.763764] Bluetooth: hci0: command 0x041b tx timeout executing program [ 59.812698] Bluetooth: hci0: command 0x040f tx timeout executing program [ 61.859834] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 07:03:10 Registers: info registers vcpu 0 RAX=0000000000000036 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888019b675f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000036 R11=0000000000000001 R12=0000000000000036 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 000055555705a400 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=00007fab323246f4 CR3=0000000018bde000 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=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 info registers vcpu 1 RAX=0000000000036dc1 RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 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 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=00007f65e475a020 CR3=000000000d8e8000 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=2033313a33303a37302037312079614d XMM01=5d3437393634302e34352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d34 XMM07=6e72656b2072656c6c616b7a79732033 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000