Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:18575' (ECDSA) to the list of known hosts. 2023/05/17 03:30:59 fuzzer started 2023/05/17 03:30:59 dialing manager at localhost:35573 2023/05/17 03:30:59 checking machine... 2023/05/17 03:30:59 checking revisions... syzkaller login: [ 37.308774] kmemleak: Automatic memory scanning thread ended 2023/05/17 03:30:59 testing simple program... [ 37.381758] cgroup: Unknown subsys name 'net' [ 37.449449] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.596606] audit: type=1400 audit(1684294272.949:6): 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 [ 51.753372] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.755020] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.756582] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.767109] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.768814] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.769993] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 52.188739] ------------[ cut here ]------------ [ 52.189462] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.191576] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.192876] Modules linked in: [ 52.193403] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.198247] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.199417] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.200149] 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 [ 52.202654] RSP: 0018:ffff888013fd7c00 EFLAGS: 00010282 [ 52.203441] RAX: 0000000000000000 RBX: ffff888015b15c40 RCX: 0000000000000000 [ 52.204470] RDX: ffff88800dd40000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.205497] RBP: ffff888015b15c54 R08: 0000000000000001 R09: 0000000000000000 [ 52.206564] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.207589] R13: ffffffff84e223a0 R14: ffff888015b15c48 R15: ffffffff84d73340 [ 52.208601] FS: 000055555608c400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.209759] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.210597] CR2: 00007f52aab1d6f4 CR3: 0000000019f62000 CR4: 0000000000350ef0 [ 52.211620] Call Trace: [ 52.211995] [ 52.212384] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.213082] ipv4_frags_init_net+0x269/0x440 [ 52.213762] ops_init+0xbb/0x6b0 [ 52.214266] setup_net+0x3d9/0x990 [ 52.214819] ? down_read_killable+0x1d7/0x4e0 [ 52.215507] ? __pfx_setup_net+0x10/0x10 [ 52.216086] ? copy_net_ns+0x17c/0x770 [ 52.216697] copy_net_ns+0x321/0x770 [ 52.217243] create_new_namespaces+0x3f6/0xb30 [ 52.217959] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.218693] ksys_unshare+0x44d/0x8e0 [ 52.219245] ? __pfx_ksys_unshare+0x10/0x10 [ 52.219902] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.220747] __x64_sys_unshare+0x31/0x40 [ 52.221368] do_syscall_64+0x3f/0x90 [ 52.221911] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.222673] RIP: 0033:0x7fef3e3370d7 [ 52.223199] 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 [ 52.225668] RSP: 002b:00007ffeccb408f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.226731] RAX: ffffffffffffffda RBX: 00007ffeccb40f38 RCX: 00007fef3e3370d7 [ 52.227733] RDX: 00007fef3e3a141f RSI: 00007ffeccb40890 RDI: 0000000040000000 [ 52.228729] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeccb406a0 [ 52.229731] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fef3e449bf0 [ 52.230726] R13: 00007ffeccb409d0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.231758] [ 52.232096] irq event stamp: 9189 [ 52.232601] hardirqs last enabled at (9201): [] __up_console_sem+0x78/0x80 [ 52.233808] hardirqs last disabled at (9212): [] __up_console_sem+0x5d/0x80 [ 52.234989] softirqs last enabled at (8812): [] irq_exit_rcu+0x93/0xc0 [ 52.236140] softirqs last disabled at (8807): [] irq_exit_rcu+0x93/0xc0 [ 52.237282] ---[ end trace 0000000000000000 ]--- [ 52.244689] ------------[ cut here ]------------ [ 52.245451] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.247272] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.248443] Modules linked in: [ 52.248881] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.250147] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.251243] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.251964] 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 [ 52.254358] RSP: 0018:ffff888013fd7c00 EFLAGS: 00010282 [ 52.255077] RAX: 0000000000000000 RBX: ffff88800ee89a40 RCX: 0000000000000000 [ 52.256047] RDX: ffff88800dd40000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.257002] RBP: ffff88800ee89a54 R08: 0000000000000001 R09: 0000000000000000 [ 52.257992] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.258948] R13: ffffffff84e223a0 R14: ffff88800ee89a48 R15: ffffffff84da62e0 [ 52.259907] FS: 000055555608c400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.260984] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.261816] CR2: 00007f52aab1d6f4 CR3: 0000000019f62000 CR4: 0000000000350ef0 [ 52.262777] Call Trace: [ 52.263126] [ 52.263493] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.264161] ipv6_frags_init_net+0x206/0x3c0 [ 52.264796] ops_init+0xbb/0x6b0 [ 52.265280] setup_net+0x3d9/0x990 [ 52.265813] ? down_read_killable+0x1d7/0x4e0 [ 52.266467] ? __pfx_setup_net+0x10/0x10 [ 52.267013] ? copy_net_ns+0x17c/0x770 [ 52.267598] copy_net_ns+0x321/0x770 [ 52.268115] create_new_namespaces+0x3f6/0xb30 [ 52.268781] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.269500] ksys_unshare+0x44d/0x8e0 [ 52.270052] ? __pfx_ksys_unshare+0x10/0x10 [ 52.270682] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.271487] __x64_sys_unshare+0x31/0x40 [ 52.272034] do_syscall_64+0x3f/0x90 [ 52.272587] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.273278] RIP: 0033:0x7fef3e3370d7 [ 52.273817] 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 [ 52.276136] RSP: 002b:00007ffeccb408f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.277157] RAX: ffffffffffffffda RBX: 00007ffeccb40f38 RCX: 00007fef3e3370d7 [ 52.278121] RDX: 00007fef3e3a141f RSI: 00007ffeccb40890 RDI: 0000000040000000 [ 52.279079] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeccb406a0 [ 52.280040] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fef3e449bf0 [ 52.281009] R13: 00007ffeccb409d0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.282043] [ 52.282411] irq event stamp: 13007 [ 52.282879] hardirqs last enabled at (13017): [] __up_console_sem+0x78/0x80 [ 52.284018] hardirqs last disabled at (13028): [] __up_console_sem+0x5d/0x80 [ 52.285158] softirqs last enabled at (12822): [] irq_exit_rcu+0x93/0xc0 [ 52.286282] softirqs last disabled at (12817): [] irq_exit_rcu+0x93/0xc0 [ 52.287410] ---[ end trace 0000000000000000 ]--- [ 52.288854] ------------[ cut here ]------------ [ 52.289508] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.291674] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.292812] Modules linked in: [ 52.293258] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 52.294527] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.295621] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.296319] 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 [ 52.298689] RSP: 0018:ffff888013fd7bf0 EFLAGS: 00010286 [ 52.299436] RAX: 0000000000000000 RBX: ffff88800ee89440 RCX: 0000000000000000 [ 52.300410] RDX: ffff88800dd40000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 52.301385] RBP: ffff88800ee89454 R08: 0000000000000001 R09: 0000000000000000 [ 52.302388] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.303382] R13: ffffffff84e223a0 R14: ffff88800ee89448 R15: ffffffff84daf020 [ 52.304377] FS: 000055555608c400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 52.305495] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.306302] CR2: 00007f52aab1d6f4 CR3: 0000000019f62000 CR4: 0000000000350ef0 [ 52.307295] Call Trace: [ 52.307710] [ 52.308038] nf_ct_net_init+0x224/0x3d0 [ 52.308646] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.309295] ops_init+0xbb/0x6b0 [ 52.309832] setup_net+0x3d9/0x990 [ 52.310380] ? down_read_killable+0x1d7/0x4e0 [ 52.311013] ? __pfx_setup_net+0x10/0x10 [ 52.311622] ? copy_net_ns+0x17c/0x770 [ 52.312185] copy_net_ns+0x321/0x770 [ 52.312754] create_new_namespaces+0x3f6/0xb30 [ 52.313450] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.314167] ksys_unshare+0x44d/0x8e0 [ 52.314759] ? __pfx_ksys_unshare+0x10/0x10 [ 52.315407] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.316210] __x64_sys_unshare+0x31/0x40 [ 52.316823] do_syscall_64+0x3f/0x90 [ 52.317384] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.318100] RIP: 0033:0x7fef3e3370d7 [ 52.318644] 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 [ 52.321102] RSP: 002b:00007ffeccb408f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.322214] RAX: ffffffffffffffda RBX: 00007ffeccb40f38 RCX: 00007fef3e3370d7 [ 52.323229] RDX: 00007fef3e3a141f RSI: 00007ffeccb40890 RDI: 0000000040000000 [ 52.324224] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeccb406a0 [ 52.325231] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fef3e449bf0 [ 52.326244] R13: 00007ffeccb409d0 R14: 0000000000000000 R15: 00000000000000f8 [ 52.327277] [ 52.327647] irq event stamp: 13809 [ 52.328136] hardirqs last enabled at (13819): [] __up_console_sem+0x78/0x80 [ 52.329354] hardirqs last disabled at (13832): [] __up_console_sem+0x5d/0x80 [ 52.330582] softirqs last enabled at (13286): [] irq_exit_rcu+0x93/0xc0 [ 52.331711] softirqs last disabled at (13281): [] irq_exit_rcu+0x93/0xc0 [ 52.332846] ---[ end trace 0000000000000000 ]--- [ 53.833164] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.880412] Bluetooth: hci0: command 0x041b tx timeout [ 57.928425] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.976396] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 03:31:14 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888013fd75f0 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 000055555608c400 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=00007f52aab1d6f4 CR3=0000000019f62000 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=000000000002fbd1 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=00000206 [-----P-] 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=00007f0a41b1e0d0 CR3=000000000f0e8000 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=2034313a31333a33302037312079614d XMM01=5d3330343339312e32352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d33 XMM07=6e72656b2072656c6c616b7a79732034 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000