syzkaller login: [ 58.833765] sshd (218) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:23507' (ECDSA) to the list of known hosts. 2023/05/17 07:53:10 fuzzer started 2023/05/17 07:53:11 dialing manager at localhost:35573 2023/05/17 07:53:11 checking machine... 2023/05/17 07:53:11 checking revisions... [ 61.138224] kmemleak: Automatic memory scanning thread ended 2023/05/17 07:53:11 testing simple program... [ 61.221031] cgroup: Unknown subsys name 'net' [ 61.280175] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 73.663189] audit: type=1400 audit(1684310003.712:6): 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 [ 74.828593] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 74.830222] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 74.832519] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 74.836205] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 74.838105] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 74.839346] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 75.233584] ------------[ cut here ]------------ [ 75.234225] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 75.236002] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 75.237038] Modules linked in: [ 75.237483] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 75.239120] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 75.240947] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 75.242128] 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 [ 75.244459] RSP: 0018:ffff88801eac7c00 EFLAGS: 00010282 [ 75.245179] RAX: 0000000000000000 RBX: ffff88800f756c40 RCX: 0000000000000000 [ 75.246167] RDX: ffff88800fa351c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 75.247131] RBP: ffff88800f756c54 R08: 0000000000000001 R09: 0000000000000000 [ 75.248122] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 75.249090] R13: ffffffff84e223a0 R14: ffff88800f756c48 R15: ffffffff84d73340 [ 75.250069] FS: 0000555555ac9400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 75.251163] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.251973] CR2: 00007f52292636f4 CR3: 0000000017530000 CR4: 0000000000350ef0 [ 75.252977] Call Trace: [ 75.253326] [ 75.253689] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 75.254364] ipv4_frags_init_net+0x269/0x440 [ 75.255009] ops_init+0xbb/0x6b0 [ 75.255514] setup_net+0x3d9/0x990 [ 75.256009] ? down_read_killable+0x1d7/0x4e0 [ 75.256666] ? __pfx_setup_net+0x10/0x10 [ 75.257238] ? copy_net_ns+0x17c/0x770 [ 75.257818] copy_net_ns+0x321/0x770 [ 75.258347] create_new_namespaces+0x3f6/0xb30 [ 75.259033] unshare_nsproxy_namespaces+0xc1/0x200 [ 75.259719] ksys_unshare+0x44d/0x8e0 [ 75.260262] ? __pfx_ksys_unshare+0x10/0x10 [ 75.260908] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 75.261725] __x64_sys_unshare+0x31/0x40 [ 75.262280] do_syscall_64+0x3f/0x90 [ 75.262839] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 75.263563] RIP: 0033:0x7f173d7d10d7 [ 75.264060] 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 [ 75.266474] RSP: 002b:00007fffeb388548 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 75.267494] RAX: ffffffffffffffda RBX: 00007fffeb388b88 RCX: 00007f173d7d10d7 [ 75.268455] RDX: 00007f173d83b41f RSI: 00007fffeb3884e0 RDI: 0000000040000000 [ 75.269405] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffeb3882f0 [ 75.270364] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f173d8e3bf0 [ 75.271341] R13: 00007fffeb388620 R14: 0000000000000000 R15: 00000000000000f8 [ 75.272341] [ 75.272703] irq event stamp: 10707 [ 75.273197] hardirqs last enabled at (10717): [] __up_console_sem+0x78/0x80 [ 75.274386] hardirqs last disabled at (10728): [] __up_console_sem+0x5d/0x80 [ 75.275546] softirqs last enabled at (9794): [] netlink_insert+0x187/0x1820 [ 75.276721] softirqs last disabled at (9792): [] release_sock+0x1f/0x1b0 [ 75.277915] ---[ end trace 0000000000000000 ]--- [ 75.284021] ------------[ cut here ]------------ [ 75.284697] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 75.286596] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 75.287745] Modules linked in: [ 75.288157] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 75.289343] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 75.290362] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 75.291045] 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 [ 75.293220] RSP: 0018:ffff88801eac7c00 EFLAGS: 00010282 [ 75.293902] RAX: 0000000000000000 RBX: ffff888009097040 RCX: 0000000000000000 [ 75.294790] RDX: ffff88800fa351c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 75.295673] RBP: ffff888009097054 R08: 0000000000000001 R09: 0000000000000000 [ 75.296555] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 75.297513] R13: ffffffff84e223a0 R14: ffff888009097048 R15: ffffffff84da62e0 [ 75.298495] FS: 0000555555ac9400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 75.299583] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.300338] CR2: 00007f52292636f4 CR3: 0000000017530000 CR4: 0000000000350ef0 [ 75.301328] Call Trace: [ 75.301712] [ 75.302042] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 75.302742] ipv6_frags_init_net+0x206/0x3c0 [ 75.303334] ops_init+0xbb/0x6b0 [ 75.303858] setup_net+0x3d9/0x990 [ 75.304332] ? down_read_killable+0x1d7/0x4e0 [ 75.305003] ? __pfx_setup_net+0x10/0x10 [ 75.305576] ? copy_net_ns+0x17c/0x770 [ 75.306126] copy_net_ns+0x321/0x770 [ 75.306690] create_new_namespaces+0x3f6/0xb30 [ 75.307311] unshare_nsproxy_namespaces+0xc1/0x200 [ 75.308022] ksys_unshare+0x44d/0x8e0 [ 75.308577] ? __pfx_ksys_unshare+0x10/0x10 [ 75.309190] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 75.309992] __x64_sys_unshare+0x31/0x40 [ 75.310571] do_syscall_64+0x3f/0x90 [ 75.311098] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 75.311847] RIP: 0033:0x7f173d7d10d7 [ 75.312349] 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 [ 75.314723] RSP: 002b:00007fffeb388548 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 75.315747] RAX: ffffffffffffffda RBX: 00007fffeb388b88 RCX: 00007f173d7d10d7 [ 75.316719] RDX: 00007f173d83b41f RSI: 00007fffeb3884e0 RDI: 0000000040000000 [ 75.317687] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffeb3882f0 [ 75.318653] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f173d8e3bf0 [ 75.319650] R13: 00007fffeb388620 R14: 0000000000000000 R15: 00000000000000f8 [ 75.320609] [ 75.320964] irq event stamp: 12713 [ 75.321476] hardirqs last enabled at (12725): [] __up_console_sem+0x78/0x80 [ 75.322631] hardirqs last disabled at (12736): [] __up_console_sem+0x5d/0x80 [ 75.323805] softirqs last enabled at (12686): [] irq_exit_rcu+0x93/0xc0 [ 75.324946] softirqs last disabled at (12677): [] irq_exit_rcu+0x93/0xc0 [ 75.326070] ---[ end trace 0000000000000000 ]--- [ 75.327552] ------------[ cut here ]------------ [ 75.328177] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 75.330406] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 75.331617] Modules linked in: [ 75.332057] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 75.333355] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 75.334458] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 75.335144] 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 [ 75.337557] RSP: 0018:ffff88801eac7bf0 EFLAGS: 00010286 [ 75.338223] RAX: 0000000000000000 RBX: ffff888009096240 RCX: 0000000000000000 [ 75.339122] RDX: ffff88800fa351c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 75.340015] RBP: ffff888009096254 R08: 0000000000000001 R09: 0000000000000000 [ 75.340907] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 75.341793] R13: ffffffff84e223a0 R14: ffff888009096248 R15: ffffffff84daf020 [ 75.342685] FS: 0000555555ac9400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 75.343665] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 75.344375] CR2: 00007f52292636f4 CR3: 0000000017530000 CR4: 0000000000350ef0 [ 75.345274] Call Trace: [ 75.345632] [ 75.345939] nf_ct_net_init+0x224/0x3d0 [ 75.346483] ? __pfx_nf_ct_net_init+0x10/0x10 [ 75.347054] ops_init+0xbb/0x6b0 [ 75.347538] setup_net+0x3d9/0x990 [ 75.347992] ? down_read_killable+0x1d7/0x4e0 [ 75.348645] ? __pfx_setup_net+0x10/0x10 [ 75.349214] ? copy_net_ns+0x17c/0x770 [ 75.349795] copy_net_ns+0x321/0x770 [ 75.350316] create_new_namespaces+0x3f6/0xb30 [ 75.351005] unshare_nsproxy_namespaces+0xc1/0x200 [ 75.351714] ksys_unshare+0x44d/0x8e0 [ 75.352249] ? __pfx_ksys_unshare+0x10/0x10 [ 75.352918] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 75.353731] __x64_sys_unshare+0x31/0x40 [ 75.354277] do_syscall_64+0x3f/0x90 [ 75.354828] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 75.355560] RIP: 0033:0x7f173d7d10d7 [ 75.356071] 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 [ 75.358461] RSP: 002b:00007fffeb388548 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 75.359490] RAX: ffffffffffffffda RBX: 00007fffeb388b88 RCX: 00007f173d7d10d7 [ 75.360460] RDX: 00007f173d83b41f RSI: 00007fffeb3884e0 RDI: 0000000040000000 [ 75.361388] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffeb3882f0 [ 75.362359] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f173d8e3bf0 [ 75.363346] R13: 00007fffeb388620 R14: 0000000000000000 R15: 00000000000000f8 [ 75.364351] [ 75.364695] irq event stamp: 13555 [ 75.365196] hardirqs last enabled at (13565): [] __up_console_sem+0x78/0x80 [ 75.366389] hardirqs last disabled at (13576): [] __up_console_sem+0x5d/0x80 [ 75.367559] softirqs last enabled at (13360): [] irq_exit_rcu+0x93/0xc0 [ 75.368696] softirqs last disabled at (13355): [] irq_exit_rcu+0x93/0xc0 [ 75.369835] ---[ end trace 0000000000000000 ]--- executing program [ 76.912060] Bluetooth: hci0: command 0x0409 tx timeout [ 78.959495] Bluetooth: hci0: command 0x041b tx timeout executing program [ 81.008547] Bluetooth: hci0: command 0x040f tx timeout executing program [ 83.055504] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 07:53:00 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801eac7618 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 0000555555ac9400 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=00007f52292636f4 CR3=0000000017530000 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=0000000080000000 RBX=dffffc0000000000 RCX=0000000000000000 RDX=ffff888016c11b40 RSI=ffffffff815a58e3 RDI=0000000000000006 RBP=ffff888016cc7d28 RSP=ffff888016cc7c58 R8 =0000000000000006 R9 =0000000000000101 R10=0000000000000098 R11=0000000000000000 R12=0000000000000098 R13=ffff888016cc7d60 R14=0000000000000101 R15=ffffc9000068f540 RIP=ffffffff814bf87b RFL=00000292 [--S-A--] 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 00007fa61f4bc900 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=00007fa61e8ad780 CR3=0000000016522000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=c79cb06d587eb3ab000000000013ca18 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=3bfd3b06697158e400000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000020000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000