Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:51745' (ECDSA) to the list of known hosts. 2023/05/17 13:09:37 fuzzer started 2023/05/17 13:09:37 dialing manager at localhost:44319 2023/05/17 13:09:37 checking machine... 2023/05/17 13:09:37 checking revisions... syzkaller login: [ 46.783249] kmemleak: Automatic memory scanning thread ended 2023/05/17 13:09:37 testing simple program... [ 46.852713] cgroup: Unknown subsys name 'net' [ 46.944042] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 58.998038] audit: type=1400 audit(1684328990.081:6): avc: denied { execmem } for pid=256 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 60.161067] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 60.163403] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 60.164692] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 60.168155] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 60.170443] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 60.172238] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 60.581789] ------------[ cut here ]------------ [ 60.582541] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 60.584512] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 60.585781] Modules linked in: [ 60.586275] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 60.590583] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 60.591678] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 60.592362] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 60.594674] RSP: 0018:ffff88801cfafc00 EFLAGS: 00010282 [ 60.595375] RAX: 0000000000000000 RBX: ffff88800f9f4840 RCX: 0000000000000000 [ 60.596326] RDX: ffff88801a358000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 60.597274] RBP: ffff88800f9f4854 R08: 0000000000000001 R09: 0000000000000000 [ 60.598226] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 60.599168] R13: ffffffff84e23fe0 R14: ffff88800f9f4848 R15: ffffffff84d74dc0 [ 60.600150] FS: 0000555555d67400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 60.601221] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.602007] CR2: 00007ffca5dbf000 CR3: 000000000e88a000 CR4: 0000000000350ef0 [ 60.602954] Call Trace: [ 60.603310] [ 60.603627] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 60.604311] ipv4_frags_init_net+0x269/0x440 [ 60.604936] ops_init+0xbb/0x6b0 [ 60.605413] setup_net+0x3d9/0x990 [ 60.605935] ? down_read_killable+0x1d7/0x4e0 [ 60.606542] ? __pfx_setup_net+0x10/0x10 [ 60.607120] ? copy_net_ns+0x17c/0x770 [ 60.607713] copy_net_ns+0x321/0x770 [ 60.608229] create_new_namespaces+0x3f6/0xb30 [ 60.608893] unshare_nsproxy_namespaces+0xc1/0x200 [ 60.609544] ksys_unshare+0x44d/0x8e0 [ 60.610099] ? __pfx_ksys_unshare+0x10/0x10 [ 60.610707] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 60.611467] __x64_sys_unshare+0x31/0x40 [ 60.612051] do_syscall_64+0x3f/0x90 [ 60.612561] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 60.613276] RIP: 0033:0x7fcdcf2ea0d7 [ 60.613797] 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 [ 60.616121] RSP: 002b:00007ffe24ec77f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 60.617123] RAX: ffffffffffffffda RBX: 00007ffe24ec7e38 RCX: 00007fcdcf2ea0d7 [ 60.618070] RDX: 00007fcdcf35441f RSI: 00007ffe24ec7790 RDI: 0000000040000000 [ 60.619015] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe24ec75a0 [ 60.619985] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fcdcf3fcbf0 [ 60.620923] R13: 00007ffe24ec78d0 R14: 0000000000000000 R15: 00000000000000f8 [ 60.621891] [ 60.622211] irq event stamp: 7765 [ 60.622689] hardirqs last enabled at (7777): [] __up_console_sem+0x78/0x80 [ 60.623854] hardirqs last disabled at (7788): [] __up_console_sem+0x5d/0x80 [ 60.625006] softirqs last enabled at (7672): [] irq_exit_rcu+0x93/0xc0 [ 60.626101] softirqs last disabled at (7661): [] irq_exit_rcu+0x93/0xc0 [ 60.627190] ---[ end trace 0000000000000000 ]--- [ 60.632613] ------------[ cut here ]------------ [ 60.633424] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 60.635235] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 60.636418] Modules linked in: [ 60.636904] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 60.638192] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 60.639339] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 60.640090] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 60.642456] RSP: 0018:ffff88801cfafc00 EFLAGS: 00010282 [ 60.643223] RAX: 0000000000000000 RBX: ffff88800ed7d240 RCX: 0000000000000000 [ 60.644220] RDX: ffff88801a358000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 60.645213] RBP: ffff88800ed7d254 R08: 0000000000000001 R09: 0000000000000000 [ 60.646204] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 60.647183] R13: ffffffff84e23fe0 R14: ffff88800ed7d248 R15: ffffffff84da7d60 [ 60.648207] FS: 0000555555d67400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 60.649320] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.650138] CR2: 00007ffca5dbf000 CR3: 000000000e88a000 CR4: 0000000000350ef0 [ 60.651119] Call Trace: [ 60.651489] [ 60.651848] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 60.652531] ipv6_frags_init_net+0x206/0x3c0 [ 60.653178] ops_init+0xbb/0x6b0 [ 60.653704] setup_net+0x3d9/0x990 [ 60.654211] ? down_read_killable+0x1d7/0x4e0 [ 60.654879] ? __pfx_setup_net+0x10/0x10 [ 60.655457] ? copy_net_ns+0x17c/0x770 [ 60.656049] copy_net_ns+0x321/0x770 [ 60.656585] create_new_namespaces+0x3f6/0xb30 [ 60.657253] unshare_nsproxy_namespaces+0xc1/0x200 [ 60.657968] ksys_unshare+0x44d/0x8e0 [ 60.658507] ? __pfx_ksys_unshare+0x10/0x10 [ 60.659142] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 60.659990] __x64_sys_unshare+0x31/0x40 [ 60.660565] do_syscall_64+0x3f/0x90 [ 60.661132] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 60.661882] RIP: 0033:0x7fcdcf2ea0d7 [ 60.662397] 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 [ 60.664811] RSP: 002b:00007ffe24ec77f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 60.665864] RAX: ffffffffffffffda RBX: 00007ffe24ec7e38 RCX: 00007fcdcf2ea0d7 [ 60.666852] RDX: 00007fcdcf35441f RSI: 00007ffe24ec7790 RDI: 0000000040000000 [ 60.667866] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe24ec75a0 [ 60.668850] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fcdcf3fcbf0 [ 60.669816] R13: 00007ffe24ec78d0 R14: 0000000000000000 R15: 00000000000000f8 [ 60.670816] [ 60.671143] irq event stamp: 9647 [ 60.671615] hardirqs last enabled at (9657): [] __up_console_sem+0x78/0x80 [ 60.672821] hardirqs last disabled at (9670): [] __up_console_sem+0x5d/0x80 [ 60.673989] softirqs last enabled at (9192): [] irq_exit_rcu+0x93/0xc0 [ 60.675125] softirqs last disabled at (9183): [] irq_exit_rcu+0x93/0xc0 [ 60.676274] ---[ end trace 0000000000000000 ]--- [ 60.677740] ------------[ cut here ]------------ [ 60.678386] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 60.680466] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 60.681671] Modules linked in: [ 60.682122] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 60.683411] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 60.684531] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 60.685289] 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 60 40 e2 84 e8 fa ff d4 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 60.687717] RSP: 0018:ffff88801cfafbf0 EFLAGS: 00010286 [ 60.688434] RAX: 0000000000000000 RBX: ffff88800ed7d840 RCX: 0000000000000000 [ 60.689424] RDX: ffff88801a358000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 60.690407] RBP: ffff88800ed7d854 R08: 0000000000000001 R09: 0000000000000000 [ 60.691395] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 60.692379] R13: ffffffff84e23fe0 R14: ffff88800ed7d848 R15: ffffffff84db0aa0 [ 60.693365] FS: 0000555555d67400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 60.694467] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 60.695298] CR2: 00007ffca5dbf000 CR3: 000000000e88a000 CR4: 0000000000350ef0 [ 60.696280] Call Trace: [ 60.696674] [ 60.697010] nf_ct_net_init+0x224/0x3d0 [ 60.697580] ? __pfx_nf_ct_net_init+0x10/0x10 [ 60.698239] ops_init+0xbb/0x6b0 [ 60.698765] setup_net+0x3d9/0x990 [ 60.699298] ? down_read_killable+0x1d7/0x4e0 [ 60.699959] ? __pfx_setup_net+0x10/0x10 [ 60.700525] ? copy_net_ns+0x17c/0x770 [ 60.701105] copy_net_ns+0x321/0x770 [ 60.701630] create_new_namespaces+0x3f6/0xb30 [ 60.702293] unshare_nsproxy_namespaces+0xc1/0x200 [ 60.702997] ksys_unshare+0x44d/0x8e0 [ 60.703547] ? __pfx_ksys_unshare+0x10/0x10 [ 60.704172] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 60.704983] __x64_sys_unshare+0x31/0x40 [ 60.705553] do_syscall_64+0x3f/0x90 [ 60.706093] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 60.706838] RIP: 0033:0x7fcdcf2ea0d7 [ 60.707357] 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 [ 60.709688] RSP: 002b:00007ffe24ec77f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 60.710757] RAX: ffffffffffffffda RBX: 00007ffe24ec7e38 RCX: 00007fcdcf2ea0d7 [ 60.711758] RDX: 00007fcdcf35441f RSI: 00007ffe24ec7790 RDI: 0000000040000000 [ 60.712737] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe24ec75a0 [ 60.713708] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fcdcf3fcbf0 [ 60.714689] R13: 00007ffe24ec78d0 R14: 0000000000000000 R15: 00000000000000f8 [ 60.715697] [ 60.716027] irq event stamp: 10425 [ 60.716511] hardirqs last enabled at (10435): [] __up_console_sem+0x78/0x80 [ 60.717692] hardirqs last disabled at (10446): [] __up_console_sem+0x5d/0x80 [ 60.718902] softirqs last enabled at (10350): [] irq_exit_rcu+0x93/0xc0 [ 60.720053] softirqs last disabled at (10345): [] irq_exit_rcu+0x93/0xc0 [ 60.721191] ---[ end trace 0000000000000000 ]--- executing program [ 62.247269] Bluetooth: hci0: command 0x0409 tx timeout [ 64.295726] Bluetooth: hci0: command 0x041b tx timeout executing program [ 66.342700] Bluetooth: hci0: command 0x040f tx timeout executing program [ 68.390725] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 13:09:41 Registers: info registers vcpu 0 RAX=0000000000000057 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801cfaf5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000057 R11=0000000000000001 R12=0000000000000057 R13=ffffffff87f2dbc0 R14=0000000000000010 R15=ffffffff82507f70 RIP=ffffffff82507fdd 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 0000555555d67400 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=00007ffca5dbf000 CR3=000000000e88a000 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=0000000000028e0d RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f 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=00007f8174036058 CR3=000000000d5d8000 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=2031353a39303a33312037312079614d XMM01=5d3138373538352e30362020205b203a XMM02=646f4d205d3138373538352e30362020 XMM03=6b7a79732031353a39303a3331203731 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120373532203a4449 XMM06=57205d3231353438352e30362020205b XMM07=79732031353a39303a33312037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000