Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:23115' (ECDSA) to the list of known hosts. 2023/05/17 07:48:36 fuzzer started 2023/05/17 07:48:36 dialing manager at localhost:35573 2023/05/17 07:48:36 checking machine... 2023/05/17 07:48:36 checking revisions... syzkaller login: [ 32.605769] kmemleak: Automatic memory scanning thread ended 2023/05/17 07:48:36 testing simple program... [ 32.666306] cgroup: Unknown subsys name 'net' [ 32.744312] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 45.363087] audit: type=1400 audit(1684309729.470:6): avc: denied { execmem } for pid=257 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 46.489742] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 46.493008] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 46.495078] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 46.498994] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 46.501412] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 46.502866] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 46.917669] ------------[ cut here ]------------ [ 46.918496] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 46.920611] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 46.921981] Modules linked in: [ 46.922464] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 46.927244] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.928261] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 46.928939] 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 [ 46.931149] RSP: 0018:ffff88801fd07c00 EFLAGS: 00010282 [ 46.931822] RAX: 0000000000000000 RBX: ffff8880100dc040 RCX: 0000000000000000 [ 46.932706] RDX: ffff88801581d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 46.933592] RBP: ffff8880100dc054 R08: 0000000000000001 R09: 0000000000000000 [ 46.934496] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 46.935379] R13: ffffffff84e223a0 R14: ffff8880100dc048 R15: ffffffff84d73340 [ 46.936261] FS: 00005555572d1400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 46.937246] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.938002] CR2: 00007f9458b0a6f4 CR3: 0000000016b7e000 CR4: 0000000000350ef0 [ 46.938905] Call Trace: [ 46.939233] [ 46.939537] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 46.940191] ipv4_frags_init_net+0x269/0x440 [ 46.940749] ops_init+0xbb/0x6b0 [ 46.941217] setup_net+0x3d9/0x990 [ 46.941667] ? down_read_killable+0x1d7/0x4e0 [ 46.942276] ? __pfx_setup_net+0x10/0x10 [ 46.942785] ? copy_net_ns+0x17c/0x770 [ 46.943321] copy_net_ns+0x321/0x770 [ 46.943817] create_new_namespaces+0x3f6/0xb30 [ 46.944440] unshare_nsproxy_namespaces+0xc1/0x200 [ 46.945100] ksys_unshare+0x44d/0x8e0 [ 46.945587] ? __pfx_ksys_unshare+0x10/0x10 [ 46.946179] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 46.946927] __x64_sys_unshare+0x31/0x40 [ 46.947449] do_syscall_64+0x3f/0x90 [ 46.947962] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 46.948611] RIP: 0033:0x7f4815cba0d7 [ 46.949112] 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 [ 46.951347] RSP: 002b:00007ffd97f77ad8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 46.952305] RAX: ffffffffffffffda RBX: 00007ffd97f78118 RCX: 00007f4815cba0d7 [ 46.953195] RDX: 00007f4815d2441f RSI: 00007ffd97f77a70 RDI: 0000000040000000 [ 46.954104] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd97f77880 [ 46.954985] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f4815dccbf0 [ 46.955840] R13: 00007ffd97f77bb0 R14: 0000000000000000 R15: 00000000000000f8 [ 46.956750] [ 46.957086] irq event stamp: 7759 [ 46.957516] hardirqs last enabled at (7769): [] __up_console_sem+0x78/0x80 [ 46.958583] hardirqs last disabled at (7780): [] __up_console_sem+0x5d/0x80 [ 46.959624] softirqs last enabled at (7242): [] irq_exit_rcu+0x93/0xc0 [ 46.960683] softirqs last disabled at (7237): [] irq_exit_rcu+0x93/0xc0 [ 46.961720] ---[ end trace 0000000000000000 ]--- [ 46.967006] ------------[ cut here ]------------ [ 46.967607] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 46.969285] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 46.970419] Modules linked in: [ 46.970839] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 46.972021] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.973030] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 46.973666] 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 [ 46.975844] RSP: 0018:ffff88801fd07c00 EFLAGS: 00010282 [ 46.976525] RAX: 0000000000000000 RBX: ffff888013db2e40 RCX: 0000000000000000 [ 46.977436] RDX: ffff88801581d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 46.978342] RBP: ffff888013db2e54 R08: 0000000000000001 R09: 0000000000000000 [ 46.979252] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 46.980141] R13: ffffffff84e223a0 R14: ffff888013db2e48 R15: ffffffff84da62e0 [ 46.981050] FS: 00005555572d1400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 46.982076] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.982794] CR2: 00007f9458b0a6f4 CR3: 0000000016b7e000 CR4: 0000000000350ef0 [ 46.983694] Call Trace: [ 46.984059] [ 46.984359] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 46.985009] ipv6_frags_init_net+0x206/0x3c0 [ 46.985564] ops_init+0xbb/0x6b0 [ 46.986048] setup_net+0x3d9/0x990 [ 46.986502] ? down_read_killable+0x1d7/0x4e0 [ 46.987103] ? __pfx_setup_net+0x10/0x10 [ 46.987623] ? copy_net_ns+0x17c/0x770 [ 46.988166] copy_net_ns+0x321/0x770 [ 46.988651] create_new_namespaces+0x3f6/0xb30 [ 46.989274] unshare_nsproxy_namespaces+0xc1/0x200 [ 46.989931] ksys_unshare+0x44d/0x8e0 [ 46.990429] ? __pfx_ksys_unshare+0x10/0x10 [ 46.991006] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 46.991734] __x64_sys_unshare+0x31/0x40 [ 46.992289] do_syscall_64+0x3f/0x90 [ 46.992770] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 46.993446] RIP: 0033:0x7f4815cba0d7 [ 46.993963] 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 [ 46.996175] RSP: 002b:00007ffd97f77ad8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 46.997145] RAX: ffffffffffffffda RBX: 00007ffd97f78118 RCX: 00007f4815cba0d7 [ 46.998066] RDX: 00007f4815d2441f RSI: 00007ffd97f77a70 RDI: 0000000040000000 [ 46.998955] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd97f77880 [ 46.999813] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f4815dccbf0 [ 47.000701] R13: 00007ffd97f77bb0 R14: 0000000000000000 R15: 00000000000000f8 [ 47.001596] [ 47.001931] irq event stamp: 9743 [ 47.002362] hardirqs last enabled at (9753): [] __up_console_sem+0x78/0x80 [ 47.003422] hardirqs last disabled at (9764): [] __up_console_sem+0x5d/0x80 [ 47.004491] softirqs last enabled at (9460): [] irq_exit_rcu+0x93/0xc0 [ 47.005515] softirqs last disabled at (9451): [] irq_exit_rcu+0x93/0xc0 [ 47.006560] ---[ end trace 0000000000000000 ]--- [ 47.008000] ------------[ cut here ]------------ [ 47.008578] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 47.010625] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 47.011700] Modules linked in: [ 47.012141] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 47.013295] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.014338] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 47.015004] 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 [ 47.017159] RSP: 0018:ffff88801fd07bf0 EFLAGS: 00010286 [ 47.017815] RAX: 0000000000000000 RBX: ffff888013db3840 RCX: 0000000000000000 [ 47.018706] RDX: ffff88801581d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 47.019604] RBP: ffff888013db3854 R08: 0000000000000001 R09: 0000000000000000 [ 47.020493] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 47.021379] R13: ffffffff84e223a0 R14: ffff888013db3848 R15: ffffffff84daf020 [ 47.022277] FS: 00005555572d1400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 47.023276] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.024027] CR2: 00007f9458b0a6f4 CR3: 0000000016b7e000 CR4: 0000000000350ef0 [ 47.024918] Call Trace: [ 47.025255] [ 47.025556] nf_ct_net_init+0x224/0x3d0 [ 47.026125] ? __pfx_nf_ct_net_init+0x10/0x10 [ 47.026705] ops_init+0xbb/0x6b0 [ 47.027189] setup_net+0x3d9/0x990 [ 47.027640] ? down_read_killable+0x1d7/0x4e0 [ 47.028239] ? __pfx_setup_net+0x10/0x10 [ 47.028743] ? copy_net_ns+0x17c/0x770 [ 47.029289] copy_net_ns+0x321/0x770 [ 47.029773] create_new_namespaces+0x3f6/0xb30 [ 47.030407] unshare_nsproxy_namespaces+0xc1/0x200 [ 47.031053] ksys_unshare+0x44d/0x8e0 [ 47.031551] ? __pfx_ksys_unshare+0x10/0x10 [ 47.032130] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 47.032845] __x64_sys_unshare+0x31/0x40 [ 47.033424] do_syscall_64+0x3f/0x90 [ 47.033942] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 47.034588] RIP: 0033:0x7f4815cba0d7 [ 47.035085] 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 [ 47.037242] RSP: 002b:00007ffd97f77ad8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 47.038226] RAX: ffffffffffffffda RBX: 00007ffd97f78118 RCX: 00007f4815cba0d7 [ 47.039111] RDX: 00007f4815d2441f RSI: 00007ffd97f77a70 RDI: 0000000040000000 [ 47.040000] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd97f77880 [ 47.040853] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f4815dccbf0 [ 47.041747] R13: 00007ffd97f77bb0 R14: 0000000000000000 R15: 00000000000000f8 [ 47.042681] [ 47.043011] irq event stamp: 10635 [ 47.043447] hardirqs last enabled at (10645): [] __up_console_sem+0x78/0x80 [ 47.044512] hardirqs last disabled at (10656): [] __up_console_sem+0x5d/0x80 [ 47.045574] softirqs last enabled at (10560): [] irq_exit_rcu+0x93/0xc0 [ 47.046640] softirqs last disabled at (10555): [] irq_exit_rcu+0x93/0xc0 [ 47.047666] ---[ end trace 0000000000000000 ]--- executing program [ 48.513431] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 50.561709] Bluetooth: hci0: command 0x041b tx timeout [ 52.609020] Bluetooth: hci0: command 0x040f tx timeout executing program [ 54.657032] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 07:48:47 Registers: info registers vcpu 0 RAX=000000000000006f RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801fd075f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000006f R11=0000000000000001 R12=000000000000006f 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 00005555572d1400 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=00007f9458b0a6f4 CR3=0000000016b7e000 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=00000000000369a3 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=00007f77e3ce3ae0 CR3=0000000015ab0000 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=2031353a38343a37302037312079614d XMM01=5d3131363032392e36342020205b203a XMM02=74656e20746120383532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120383532203a4449 XMM06=57205d3131363032392e36342020205b XMM07=79732031353a38343a37302037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000