Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:21965' (ECDSA) to the list of known hosts. 2023/05/16 15:32:23 fuzzer started 2023/05/16 15:32:24 dialing manager at localhost:35573 2023/05/16 15:32:24 checking machine... 2023/05/16 15:32:24 checking revisions... syzkaller login: [ 44.993218] kmemleak: Automatic memory scanning thread ended 2023/05/16 15:32:24 testing simple program... [ 45.059225] cgroup: Unknown subsys name 'net' [ 45.123886] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 57.712267] audit: type=1400 audit(1684251157.012:6): 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 [ 58.827765] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.830355] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.831533] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.834356] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.835719] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 58.837414] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.170222] ------------[ cut here ]------------ [ 59.171042] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 59.172906] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.173993] Modules linked in: [ 59.174438] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.179147] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.180175] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.180827] 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 [ 59.183043] RSP: 0018:ffff88802032fc00 EFLAGS: 00010282 [ 59.183716] RAX: 0000000000000000 RBX: ffff88800dbaa040 RCX: 0000000000000000 [ 59.184626] RDX: ffff88800c61b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.185522] RBP: ffff88800dbaa054 R08: 0000000000000001 R09: 0000000000000000 [ 59.186435] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 59.187352] R13: ffffffff84e223a0 R14: ffff88800dbaa048 R15: ffffffff84d73340 [ 59.188264] FS: 0000555555aec400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.189269] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.189979] CR2: 00007fbb084f26f4 CR3: 000000001588c000 CR4: 0000000000350ee0 [ 59.190878] Call Trace: [ 59.191266] [ 59.191567] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 59.192233] ipv4_frags_init_net+0x269/0x440 [ 59.192789] ops_init+0xbb/0x6b0 [ 59.193279] setup_net+0x3d9/0x990 [ 59.193739] ? down_read_killable+0x1d7/0x4e0 [ 59.194348] ? __pfx_setup_net+0x10/0x10 [ 59.194857] ? copy_net_ns+0x17c/0x770 [ 59.195405] copy_net_ns+0x321/0x770 [ 59.195893] create_new_namespaces+0x3f6/0xb30 [ 59.196526] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.197179] ksys_unshare+0x44d/0x8e0 [ 59.197680] ? __pfx_ksys_unshare+0x10/0x10 [ 59.198273] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.198991] __x64_sys_unshare+0x31/0x40 [ 59.199578] do_syscall_64+0x3f/0x90 [ 59.200104] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.200742] RIP: 0033:0x7f7d6dea50d7 [ 59.201261] 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 [ 59.203455] RSP: 002b:00007ffeb5baeb98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.204408] RAX: ffffffffffffffda RBX: 00007ffeb5baf1d8 RCX: 00007f7d6dea50d7 [ 59.205302] RDX: 00007f7d6df0f41f RSI: 00007ffeb5baeb30 RDI: 0000000040000000 [ 59.206194] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeb5bae940 [ 59.207114] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f7d6dfb7bf0 [ 59.207968] R13: 00007ffeb5baec70 R14: 0000000000000000 R15: 00000000000000f8 [ 59.209048] [ 59.209467] irq event stamp: 8087 [ 59.210111] hardirqs last enabled at (8099): [] __up_console_sem+0x78/0x80 [ 59.211565] hardirqs last disabled at (8110): [] __up_console_sem+0x5d/0x80 [ 59.213046] softirqs last enabled at (7572): [] irq_exit_rcu+0x93/0xc0 [ 59.214311] softirqs last disabled at (7567): [] irq_exit_rcu+0x93/0xc0 [ 59.215456] ---[ end trace 0000000000000000 ]--- [ 59.221313] ------------[ cut here ]------------ [ 59.221925] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 59.223576] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.224678] Modules linked in: [ 59.225131] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.226312] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.227381] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.228061] 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 [ 59.230244] RSP: 0018:ffff88802032fc00 EFLAGS: 00010282 [ 59.230897] RAX: 0000000000000000 RBX: ffff88800eb11240 RCX: 0000000000000000 [ 59.231867] RDX: ffff88800c61b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.232800] RBP: ffff88800eb11254 R08: 0000000000000001 R09: 0000000000000000 [ 59.233727] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.234657] R13: ffffffff84e223a0 R14: ffff88800eb11248 R15: ffffffff84da62e0 [ 59.235613] FS: 0000555555aec400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.236727] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.237509] CR2: 00007fbb084f26f4 CR3: 000000001588c000 CR4: 0000000000350ee0 [ 59.238440] Call Trace: [ 59.238766] [ 59.239138] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 59.239772] ipv6_frags_init_net+0x206/0x3c0 [ 59.240429] ops_init+0xbb/0x6b0 [ 59.240878] setup_net+0x3d9/0x990 [ 59.241362] ? down_read_killable+0x1d7/0x4e0 [ 59.241944] ? __pfx_setup_net+0x10/0x10 [ 59.242490] ? copy_net_ns+0x17c/0x770 [ 59.243031] copy_net_ns+0x321/0x770 [ 59.243535] create_new_namespaces+0x3f6/0xb30 [ 59.244168] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.244793] ksys_unshare+0x44d/0x8e0 [ 59.245316] ? __pfx_ksys_unshare+0x10/0x10 [ 59.245867] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.246606] __x64_sys_unshare+0x31/0x40 [ 59.247169] do_syscall_64+0x3f/0x90 [ 59.247653] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.248340] RIP: 0033:0x7f7d6dea50d7 [ 59.248810] 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 [ 59.251027] RSP: 002b:00007ffeb5baeb98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.251961] RAX: ffffffffffffffda RBX: 00007ffeb5baf1d8 RCX: 00007f7d6dea50d7 [ 59.252861] RDX: 00007f7d6df0f41f RSI: 00007ffeb5baeb30 RDI: 0000000040000000 [ 59.253743] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeb5bae940 [ 59.254659] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f7d6dfb7bf0 [ 59.255579] R13: 00007ffeb5baec70 R14: 0000000000000000 R15: 00000000000000f8 [ 59.256493] [ 59.256801] irq event stamp: 9885 [ 59.257262] hardirqs last enabled at (9897): [] __up_console_sem+0x78/0x80 [ 59.258350] hardirqs last disabled at (9908): [] __up_console_sem+0x5d/0x80 [ 59.259445] softirqs last enabled at (9390): [] irq_exit_rcu+0x93/0xc0 [ 59.260480] softirqs last disabled at (9385): [] irq_exit_rcu+0x93/0xc0 [ 59.261527] ---[ end trace 0000000000000000 ]--- [ 59.262880] ------------[ cut here ]------------ [ 59.263541] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 59.265539] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.266623] Modules linked in: [ 59.267069] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 59.268276] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.269296] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.269938] 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 [ 59.272143] RSP: 0018:ffff88802032fbf0 EFLAGS: 00010286 [ 59.272800] RAX: 0000000000000000 RBX: ffff88800eb11840 RCX: 0000000000000000 [ 59.273705] RDX: ffff88800c61b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 59.274613] RBP: ffff88800eb11854 R08: 0000000000000001 R09: 0000000000000000 [ 59.275524] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.276422] R13: ffffffff84e223a0 R14: ffff88800eb11848 R15: ffffffff84daf020 [ 59.277326] FS: 0000555555aec400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.278333] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.279089] CR2: 00007fbb084f26f4 CR3: 000000001588c000 CR4: 0000000000350ee0 [ 59.279957] Call Trace: [ 59.280323] [ 59.280633] nf_ct_net_init+0x224/0x3d0 [ 59.281196] ? __pfx_nf_ct_net_init+0x10/0x10 [ 59.281772] ops_init+0xbb/0x6b0 [ 59.282263] setup_net+0x3d9/0x990 [ 59.282719] ? down_read_killable+0x1d7/0x4e0 [ 59.283351] ? __pfx_setup_net+0x10/0x10 [ 59.283864] ? copy_net_ns+0x17c/0x770 [ 59.284416] copy_net_ns+0x321/0x770 [ 59.284905] create_new_namespaces+0x3f6/0xb30 [ 59.285536] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.286206] ksys_unshare+0x44d/0x8e0 [ 59.286703] ? __pfx_ksys_unshare+0x10/0x10 [ 59.287315] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.288068] __x64_sys_unshare+0x31/0x40 [ 59.288596] do_syscall_64+0x3f/0x90 [ 59.289116] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.289758] RIP: 0033:0x7f7d6dea50d7 [ 59.290266] 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 [ 59.292451] RSP: 002b:00007ffeb5baeb98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.293406] RAX: ffffffffffffffda RBX: 00007ffeb5baf1d8 RCX: 00007f7d6dea50d7 [ 59.294298] RDX: 00007f7d6df0f41f RSI: 00007ffeb5baeb30 RDI: 0000000040000000 [ 59.295216] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeb5bae940 [ 59.296112] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f7d6dfb7bf0 [ 59.296969] R13: 00007ffeb5baec70 R14: 0000000000000000 R15: 00000000000000f8 [ 59.297879] [ 59.298214] irq event stamp: 10711 [ 59.298656] hardirqs last enabled at (10721): [] __up_console_sem+0x78/0x80 [ 59.299742] hardirqs last disabled at (10732): [] __up_console_sem+0x5d/0x80 [ 59.300818] softirqs last enabled at (10550): [] irq_exit_rcu+0x93/0xc0 [ 59.301886] softirqs last disabled at (10545): [] irq_exit_rcu+0x93/0xc0 [ 59.302951] ---[ end trace 0000000000000000 ]--- executing program [ 60.915640] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 62.963364] Bluetooth: hci0: command 0x041b tx timeout [ 65.011237] Bluetooth: hci0: command 0x040f tx timeout executing program [ 67.061050] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 15:32:29 Registers: info registers vcpu 0 RAX=ffffed100d9c1373 RBX=ffffffff877970e0 RCX=0000000000000001 RDX=1ffffffff0a8562d RSI=2eb3aa432424b246 RDI=00000000a7036e27 RBP=0000000000000000 RSP=ffff88806ce09b00 R8 =ffffffff8542b192 R9 =fffffbfff0ef2d38 R10=ffffffff877969c7 R11=0000000000000001 R12=ffffffff8542b170 R13=ffffffff8542a780 R14=ffffffff85d35b6c R15=0000000000000001 RIP=ffffffff812d1bd4 RFL=00000082 [--S----] 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 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=00007f370ef2c000 CR3=000000000e71e000 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=2038333a32333a35312036312079614d XMM01=5d3833343437312e39352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d38 XMM07=6e72656b2072656c6c616b7a79732038 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000002e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88802032f5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002e R11=0000000000000001 R12=000000000000002e 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 0000555555aec400 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=00007fbb084f26f4 CR3=000000001588c000 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