Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:1288' (ECDSA) to the list of known hosts. 2023/05/17 02:29:36 fuzzer started 2023/05/17 02:29:36 dialing manager at localhost:35573 2023/05/17 02:29:36 checking machine... 2023/05/17 02:29:36 checking revisions... syzkaller login: [ 36.209196] kmemleak: Automatic memory scanning thread ended 2023/05/17 02:29:37 testing simple program... [ 36.273632] cgroup: Unknown subsys name 'net' [ 36.334750] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.622779] audit: type=1400 audit(1684290590.510:6): avc: denied { execmem } for pid=263 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 50.750313] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.751859] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.753629] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.758227] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.760136] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.762380] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 51.158680] ------------[ cut here ]------------ [ 51.159744] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.162080] WARNING: CPU: 0 PID: 264 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.163309] Modules linked in: [ 51.163721] CPU: 0 PID: 264 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.168527] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.169627] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.170366] 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 [ 51.172543] RSP: 0018:ffff888014777c00 EFLAGS: 00010282 [ 51.173243] RAX: 0000000000000000 RBX: ffff888016738840 RCX: 0000000000000000 [ 51.174149] RDX: ffff888018b051c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.175063] RBP: ffff888016738854 R08: 0000000000000001 R09: 0000000000000000 [ 51.175922] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.176829] R13: ffffffff84e223a0 R14: ffff888016738848 R15: ffffffff84d73340 [ 51.177729] FS: 0000555555aca400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.178748] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.179502] CR2: 00007f7c971a26f4 CR3: 000000000e686000 CR4: 0000000000350ef0 [ 51.180412] Call Trace: [ 51.180752] [ 51.181089] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.181717] ipv4_frags_init_net+0x269/0x440 [ 51.182332] ops_init+0xbb/0x6b0 [ 51.182781] setup_net+0x3d9/0x990 [ 51.183280] ? down_read_killable+0x1d7/0x4e0 [ 51.183852] ? __pfx_setup_net+0x10/0x10 [ 51.184398] ? copy_net_ns+0x17c/0x770 [ 51.184912] copy_net_ns+0x321/0x770 [ 51.185429] create_new_namespaces+0x3f6/0xb30 [ 51.186067] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.186689] ksys_unshare+0x44d/0x8e0 [ 51.187222] ? __pfx_ksys_unshare+0x10/0x10 [ 51.187774] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.188520] __x64_sys_unshare+0x31/0x40 [ 51.189073] do_syscall_64+0x3f/0x90 [ 51.189550] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.190254] RIP: 0033:0x7feea142e0d7 [ 51.190727] 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 [ 51.192897] RSP: 002b:00007ffe8991bc68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.193842] RAX: ffffffffffffffda RBX: 00007ffe8991c2a8 RCX: 00007feea142e0d7 [ 51.194748] RDX: 00007feea149841f RSI: 00007ffe8991bc00 RDI: 0000000040000000 [ 51.195633] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe8991ba10 [ 51.196526] R10: 0000000000000000 R11: 0000000000000202 R12: 00007feea1540bf0 [ 51.197408] R13: 00007ffe8991bd40 R14: 0000000000000000 R15: 00000000000000f8 [ 51.198344] [ 51.198654] irq event stamp: 11491 [ 51.199123] hardirqs last enabled at (11503): [] __up_console_sem+0x78/0x80 [ 51.200183] hardirqs last disabled at (11514): [] __up_console_sem+0x5d/0x80 [ 51.201255] softirqs last enabled at (11040): [] irq_exit_rcu+0x93/0xc0 [ 51.202316] softirqs last disabled at (11035): [] irq_exit_rcu+0x93/0xc0 [ 51.203361] ---[ end trace 0000000000000000 ]--- [ 51.208648] ------------[ cut here ]------------ [ 51.209277] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.210942] WARNING: CPU: 0 PID: 264 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.212016] Modules linked in: [ 51.212427] CPU: 0 PID: 264 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.213593] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.214633] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.215319] 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 [ 51.217475] RSP: 0018:ffff888014777c00 EFLAGS: 00010282 [ 51.218181] RAX: 0000000000000000 RBX: ffff88800ec59440 RCX: 0000000000000000 [ 51.219075] RDX: ffff888018b051c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.219924] RBP: ffff88800ec59454 R08: 0000000000000001 R09: 0000000000000000 [ 51.220812] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.221699] R13: ffffffff84e223a0 R14: ffff88800ec59448 R15: ffffffff84da62e0 [ 51.222603] FS: 0000555555aca400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.223591] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.224328] CR2: 00007f7c971a26f4 CR3: 000000000e686000 CR4: 0000000000350ef0 [ 51.225213] Call Trace: [ 51.225548] [ 51.225849] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.226530] ipv6_frags_init_net+0x206/0x3c0 [ 51.227124] ops_init+0xbb/0x6b0 [ 51.227573] setup_net+0x3d9/0x990 [ 51.228064] ? down_read_killable+0x1d7/0x4e0 [ 51.228637] ? __pfx_setup_net+0x10/0x10 [ 51.229186] ? copy_net_ns+0x17c/0x770 [ 51.229694] copy_net_ns+0x321/0x770 [ 51.230229] create_new_namespaces+0x3f6/0xb30 [ 51.230817] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.231471] ksys_unshare+0x44d/0x8e0 [ 51.231997] ? __pfx_ksys_unshare+0x10/0x10 [ 51.232553] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.233321] __x64_sys_unshare+0x31/0x40 [ 51.233846] do_syscall_64+0x3f/0x90 [ 51.234387] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.235074] RIP: 0033:0x7feea142e0d7 [ 51.235544] 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 [ 51.237700] RSP: 002b:00007ffe8991bc68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.238675] RAX: ffffffffffffffda RBX: 00007ffe8991c2a8 RCX: 00007feea142e0d7 [ 51.239572] RDX: 00007feea149841f RSI: 00007ffe8991bc00 RDI: 0000000040000000 [ 51.240466] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe8991ba10 [ 51.241372] R10: 0000000000000000 R11: 0000000000000202 R12: 00007feea1540bf0 [ 51.242292] R13: 00007ffe8991bd40 R14: 0000000000000000 R15: 00000000000000f8 [ 51.243239] [ 51.243551] irq event stamp: 13465 [ 51.244022] hardirqs last enabled at (13477): [] __up_console_sem+0x78/0x80 [ 51.245100] hardirqs last disabled at (13488): [] __up_console_sem+0x5d/0x80 [ 51.246199] softirqs last enabled at (13314): [] irq_exit_rcu+0x93/0xc0 [ 51.247256] softirqs last disabled at (13309): [] irq_exit_rcu+0x93/0xc0 [ 51.248306] ---[ end trace 0000000000000000 ]--- [ 51.249824] ------------[ cut here ]------------ [ 51.250532] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.252408] WARNING: CPU: 0 PID: 264 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.253481] Modules linked in: [ 51.253897] CPU: 0 PID: 264 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 51.255076] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.256105] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.256756] 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 [ 51.258944] RSP: 0018:ffff888014777bf0 EFLAGS: 00010286 [ 51.259634] RAX: 0000000000000000 RBX: ffff88800ec58a40 RCX: 0000000000000000 [ 51.260536] RDX: ffff888018b051c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 51.261439] RBP: ffff88800ec58a54 R08: 0000000000000001 R09: 0000000000000000 [ 51.262364] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.263270] R13: ffffffff84e223a0 R14: ffff88800ec58a48 R15: ffffffff84daf020 [ 51.264187] FS: 0000555555aca400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.265181] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.265897] CR2: 00007f7c971a26f4 CR3: 000000000e686000 CR4: 0000000000350ef0 [ 51.266813] Call Trace: [ 51.267180] [ 51.267485] nf_ct_net_init+0x224/0x3d0 [ 51.268046] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.268622] ops_init+0xbb/0x6b0 [ 51.269112] setup_net+0x3d9/0x990 [ 51.269572] ? down_read_killable+0x1d7/0x4e0 [ 51.270212] ? __pfx_setup_net+0x10/0x10 [ 51.270728] ? copy_net_ns+0x17c/0x770 [ 51.271279] copy_net_ns+0x321/0x770 [ 51.271764] create_new_namespaces+0x3f6/0xb30 [ 51.272395] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.273057] ksys_unshare+0x44d/0x8e0 [ 51.273555] ? __pfx_ksys_unshare+0x10/0x10 [ 51.274153] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.274883] __x64_sys_unshare+0x31/0x40 [ 51.275441] do_syscall_64+0x3f/0x90 [ 51.275928] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.276615] RIP: 0033:0x7feea142e0d7 [ 51.277116] 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 [ 51.279343] RSP: 002b:00007ffe8991bc68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.280320] RAX: ffffffffffffffda RBX: 00007ffe8991c2a8 RCX: 00007feea142e0d7 [ 51.281239] RDX: 00007feea149841f RSI: 00007ffe8991bc00 RDI: 0000000040000000 [ 51.282171] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe8991ba10 [ 51.283067] R10: 0000000000000000 R11: 0000000000000202 R12: 00007feea1540bf0 [ 51.283943] R13: 00007ffe8991bd40 R14: 0000000000000000 R15: 00000000000000f8 [ 51.284878] [ 51.285216] irq event stamp: 14307 [ 51.285659] hardirqs last enabled at (14317): [] __up_console_sem+0x78/0x80 [ 51.286764] hardirqs last disabled at (14328): [] __up_console_sem+0x5d/0x80 [ 51.287856] softirqs last enabled at (13792): [] irq_exit_rcu+0x93/0xc0 [ 51.288904] softirqs last disabled at (13769): [] irq_exit_rcu+0x93/0xc0 [ 51.289944] ---[ end trace 0000000000000000 ]--- [ 52.833621] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 54.881084] Bluetooth: hci0: command 0x041b tx timeout [ 56.930142] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.977056] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 02:29:52 Registers: info registers vcpu 0 RAX=0000000000000036 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff8880147775f0 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 0000555555aca400 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=00007f7c971a26f4 CR3=000000000e686000 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=0000000000030123 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=00007f00cadf2880 CR3=0000000015be0000 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=2032353a39323a32302037312079614d XMM01=5d3038303236312e31352020205b203a XMM02=74656e20746120343632203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120343632203a4449 XMM06=57205d3038303236312e31352020205b XMM07=79732032353a39323a32302037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000