Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:13886' (ECDSA) to the list of known hosts. 2023/05/16 20:04:00 fuzzer started 2023/05/16 20:04:00 dialing manager at localhost:35573 2023/05/16 20:04:00 checking machine... 2023/05/16 20:04:00 checking revisions... syzkaller login: [ 51.063681] kmemleak: Automatic memory scanning thread ended 2023/05/16 20:04:00 testing simple program... [ 51.130857] cgroup: Unknown subsys name 'net' [ 51.217905] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 62.668688] audit: type=1400 audit(1684267452.129:6): avc: denied { execmem } for pid=266 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program [ 63.826512] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 63.828476] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 63.831427] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 63.834090] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 63.836071] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 63.837287] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 64.248212] ------------[ cut here ]------------ [ 64.249572] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 64.251796] WARNING: CPU: 1 PID: 267 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 64.253271] Modules linked in: [ 64.253845] CPU: 1 PID: 267 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 64.259329] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 64.260486] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 64.261205] 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 [ 64.263644] RSP: 0018:ffff888016e27c00 EFLAGS: 00010282 [ 64.264437] RAX: 0000000000000000 RBX: ffff8880159e8440 RCX: 0000000000000000 [ 64.265435] RDX: ffff8880158e3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 64.266443] RBP: ffff8880159e8454 R08: 0000000000000001 R09: 0000000000000000 [ 64.267443] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 64.268467] R13: ffffffff84e223a0 R14: ffff8880159e8448 R15: ffffffff84d73340 [ 64.269482] FS: 0000555555ccd400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 64.270573] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.271378] CR2: 00007fbf4f0666f4 CR3: 00000000191ec000 CR4: 0000000000350ee0 [ 64.272362] Call Trace: [ 64.272714] [ 64.273037] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 64.273733] ipv4_frags_init_net+0x269/0x440 [ 64.274375] ops_init+0xbb/0x6b0 [ 64.274870] setup_net+0x3d9/0x990 [ 64.275399] ? down_read_killable+0x1d7/0x4e0 [ 64.276026] ? __pfx_setup_net+0x10/0x10 [ 64.276623] ? copy_net_ns+0x17c/0x770 [ 64.277172] copy_net_ns+0x321/0x770 [ 64.277731] create_new_namespaces+0x3f6/0xb30 [ 64.278401] unshare_nsproxy_namespaces+0xc1/0x200 [ 64.279077] ksys_unshare+0x44d/0x8e0 [ 64.279649] ? __pfx_ksys_unshare+0x10/0x10 [ 64.280262] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 64.281077] __x64_sys_unshare+0x31/0x40 [ 64.281671] do_syscall_64+0x3f/0x90 [ 64.282184] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 64.282946] RIP: 0033:0x7f59e363c0d7 [ 64.283495] 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 [ 64.285921] RSP: 002b:00007ffeee4e5248 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 64.286991] RAX: ffffffffffffffda RBX: 00007ffeee4e5888 RCX: 00007f59e363c0d7 [ 64.287986] RDX: 00007f59e36a641f RSI: 00007ffeee4e51e0 RDI: 0000000040000000 [ 64.288975] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeee4e4ff0 [ 64.289978] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f59e374ebf0 [ 64.290979] R13: 00007ffeee4e5320 R14: 0000000000000000 R15: 00000000000000f8 [ 64.292030] [ 64.292398] irq event stamp: 9397 [ 64.292875] hardirqs last enabled at (9407): [] __up_console_sem+0x78/0x80 [ 64.294014] hardirqs last disabled at (9418): [] __up_console_sem+0x5d/0x80 [ 64.295146] softirqs last enabled at (8928): [] irq_exit_rcu+0x93/0xc0 [ 64.296266] softirqs last disabled at (8907): [] irq_exit_rcu+0x93/0xc0 [ 64.297379] ---[ end trace 0000000000000000 ]--- [ 64.302899] ------------[ cut here ]------------ [ 64.303574] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 64.305441] WARNING: CPU: 1 PID: 267 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 64.306598] Modules linked in: [ 64.307046] CPU: 1 PID: 267 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 64.308339] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 64.309461] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 64.310172] 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 [ 64.312600] RSP: 0018:ffff888016e27c00 EFLAGS: 00010282 [ 64.313362] RAX: 0000000000000000 RBX: ffff88800d9e1640 RCX: 0000000000000000 [ 64.314346] RDX: ffff8880158e3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 64.315327] RBP: ffff88800d9e1654 R08: 0000000000000001 R09: 0000000000000000 [ 64.316282] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 64.317273] R13: ffffffff84e223a0 R14: ffff88800d9e1648 R15: ffffffff84da62e0 [ 64.318268] FS: 0000555555ccd400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 64.319387] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.320189] CR2: 00007fbf4f0666f4 CR3: 00000000191ec000 CR4: 0000000000350ee0 [ 64.321173] Call Trace: [ 64.321569] [ 64.321901] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 64.322606] ipv6_frags_init_net+0x206/0x3c0 [ 64.323221] ops_init+0xbb/0x6b0 [ 64.323746] setup_net+0x3d9/0x990 [ 64.324241] ? down_read_killable+0x1d7/0x4e0 [ 64.324884] ? __pfx_setup_net+0x10/0x10 [ 64.325476] ? copy_net_ns+0x17c/0x770 [ 64.326028] copy_net_ns+0x321/0x770 [ 64.326584] create_new_namespaces+0x3f6/0xb30 [ 64.327220] unshare_nsproxy_namespaces+0xc1/0x200 [ 64.327952] ksys_unshare+0x44d/0x8e0 [ 64.328523] ? __pfx_ksys_unshare+0x10/0x10 [ 64.329117] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 64.329925] __x64_sys_unshare+0x31/0x40 [ 64.330524] do_syscall_64+0x3f/0x90 [ 64.331038] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 64.331783] RIP: 0033:0x7f59e363c0d7 [ 64.332323] 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 [ 64.334696] RSP: 002b:00007ffeee4e5248 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 64.335742] RAX: ffffffffffffffda RBX: 00007ffeee4e5888 RCX: 00007f59e363c0d7 [ 64.336725] RDX: 00007f59e36a641f RSI: 00007ffeee4e51e0 RDI: 0000000040000000 [ 64.337710] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeee4e4ff0 [ 64.338685] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f59e374ebf0 [ 64.339656] R13: 00007ffeee4e5320 R14: 0000000000000000 R15: 00000000000000f8 [ 64.340680] [ 64.341009] irq event stamp: 11095 [ 64.341547] hardirqs last enabled at (11107): [] __up_console_sem+0x78/0x80 [ 64.342719] hardirqs last disabled at (11118): [] __up_console_sem+0x5d/0x80 [ 64.343903] softirqs last enabled at (10278): [] irq_exit_rcu+0x93/0xc0 [ 64.345018] softirqs last disabled at (10233): [] irq_exit_rcu+0x93/0xc0 [ 64.346147] ---[ end trace 0000000000000000 ]--- [ 64.347709] ------------[ cut here ]------------ [ 64.348452] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 64.350549] WARNING: CPU: 1 PID: 267 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 64.351686] Modules linked in: [ 64.352138] CPU: 1 PID: 267 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 64.353386] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 64.354484] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 64.355169] 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 [ 64.357535] RSP: 0018:ffff888016e27bf0 EFLAGS: 00010286 [ 64.358248] RAX: 0000000000000000 RBX: ffff88800d9e1240 RCX: 0000000000000000 [ 64.359204] RDX: ffff8880158e3680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 64.360193] RBP: ffff88800d9e1254 R08: 0000000000000001 R09: 0000000000000000 [ 64.361162] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 64.362113] R13: ffffffff84e223a0 R14: ffff88800d9e1248 R15: ffffffff84daf020 [ 64.363109] FS: 0000555555ccd400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 64.364208] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 64.365026] CR2: 00007fbf4f0666f4 CR3: 00000000191ec000 CR4: 0000000000350ee0 [ 64.365995] Call Trace: [ 64.366372] [ 64.366696] nf_ct_net_init+0x224/0x3d0 [ 64.367244] ? __pfx_nf_ct_net_init+0x10/0x10 [ 64.367909] ops_init+0xbb/0x6b0 [ 64.368419] setup_net+0x3d9/0x990 [ 64.368908] ? down_read_killable+0x1d7/0x4e0 [ 64.369547] ? __pfx_setup_net+0x10/0x10 [ 64.370089] ? copy_net_ns+0x17c/0x770 [ 64.370669] copy_net_ns+0x321/0x770 [ 64.371190] create_new_namespaces+0x3f6/0xb30 [ 64.371871] unshare_nsproxy_namespaces+0xc1/0x200 [ 64.372565] ksys_unshare+0x44d/0x8e0 [ 64.373101] ? __pfx_ksys_unshare+0x10/0x10 [ 64.373718] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 64.374519] __x64_sys_unshare+0x31/0x40 [ 64.375087] do_syscall_64+0x3f/0x90 [ 64.375630] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 64.376356] RIP: 0033:0x7f59e363c0d7 [ 64.376862] 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 [ 64.379327] RSP: 002b:00007ffeee4e5248 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 64.380391] RAX: ffffffffffffffda RBX: 00007ffeee4e5888 RCX: 00007f59e363c0d7 [ 64.381371] RDX: 00007f59e36a641f RSI: 00007ffeee4e51e0 RDI: 0000000040000000 [ 64.382345] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeee4e4ff0 [ 64.383282] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f59e374ebf0 [ 64.384281] R13: 00007ffeee4e5320 R14: 0000000000000000 R15: 00000000000000f8 [ 64.385287] [ 64.385650] irq event stamp: 11885 [ 64.386122] hardirqs last enabled at (11895): [] __up_console_sem+0x78/0x80 [ 64.387314] hardirqs last disabled at (11908): [] __up_console_sem+0x5d/0x80 [ 64.388496] softirqs last enabled at (11790): [] irq_exit_rcu+0x93/0xc0 [ 64.389635] softirqs last disabled at (11785): [] irq_exit_rcu+0x93/0xc0 [ 64.390760] ---[ end trace 0000000000000000 ]--- [ 65.915070] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 67.962730] Bluetooth: hci0: command 0x041b tx timeout executing program [ 70.010385] Bluetooth: hci0: command 0x040f tx timeout executing program [ 72.058415] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 20:03:58 Registers: info registers vcpu 0 RAX=00000000000a0004 RBX=0000000000000004 RCX=0000000000020000 RDX=1ffff11002b27b8e RSI=0000000000000000 RDI=ffff88801593dc74 RBP=0000000000000000 RSP=ffff888017b3f4b8 R8 =1ffff11002b27b89 R9 =0000000000020000 R10=0000000000000014 R11=0000000000000001 R12=ffff88801593dc50 R13=ffff88801593d1c0 R14=ffffffff8560b640 R15=0000000000000000 RIP=ffffffff812d10e5 RFL=00000006 [-----P-] 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 00007efe6d87a700 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=00007f877ecbda20 CR3=000000000e1c2000 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=2033313a34303a30322036312079614d XMM01=5d3534383335322e34362020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d35 XMM07=6e72656b2072656c6c616b7a79732033 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000037 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888016e275f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000037 R11=0000000000000001 R12=0000000000000037 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 0000555555ccd400 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=00007fbf4f0666f4 CR3=00000000191ec000 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