Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:27059' (ECDSA) to the list of known hosts. 2023/05/17 17:22:52 fuzzer started 2023/05/17 17:22:52 dialing manager at localhost:44319 2023/05/17 17:22:52 checking machine... 2023/05/17 17:22:52 checking revisions... syzkaller login: [ 78.463881] kmemleak: Automatic memory scanning thread ended 2023/05/17 17:22:52 testing simple program... [ 78.534198] cgroup: Unknown subsys name 'net' [ 78.609270] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 92.405271] audit: type=1400 audit(1684344186.590:6): 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 executing program [ 93.543833] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 93.545452] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 93.546697] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 93.548939] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 93.550492] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 93.552025] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 93.939224] ------------[ cut here ]------------ [ 93.939918] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 93.942102] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 93.943189] Modules linked in: [ 93.943593] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 93.948840] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 93.949851] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 93.950487] 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 [ 93.952667] RSP: 0018:ffff888020047c00 EFLAGS: 00010282 [ 93.953339] RAX: 0000000000000000 RBX: ffff88800eae9840 RCX: 0000000000000000 [ 93.954223] RDX: ffff888018053680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 93.955115] RBP: ffff88800eae9854 R08: 0000000000000001 R09: 0000000000000000 [ 93.956037] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 93.956954] R13: ffffffff84e23fe0 R14: ffff88800eae9848 R15: ffffffff84d74dc0 [ 93.957863] FS: 000055555562f400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 93.958892] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 93.959629] CR2: 00007f31046316f4 CR3: 0000000020266000 CR4: 0000000000350ee0 [ 93.960559] Call Trace: [ 93.960925] [ 93.961232] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 93.961896] ipv4_frags_init_net+0x269/0x440 [ 93.962475] ops_init+0xbb/0x6b0 [ 93.962977] setup_net+0x3d9/0x990 [ 93.963454] ? down_read_killable+0x1d7/0x4e0 [ 93.964081] ? __pfx_setup_net+0x10/0x10 [ 93.964618] ? copy_net_ns+0x17c/0x770 [ 93.965233] copy_net_ns+0x321/0x770 [ 93.965776] create_new_namespaces+0x3f6/0xb30 [ 93.966398] unshare_nsproxy_namespaces+0xc1/0x200 [ 93.967069] ksys_unshare+0x44d/0x8e0 [ 93.967576] ? __pfx_ksys_unshare+0x10/0x10 [ 93.968200] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 93.968984] __x64_sys_unshare+0x31/0x40 [ 93.969522] do_syscall_64+0x3f/0x90 [ 93.970055] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 93.970756] RIP: 0033:0x7f1621c370d7 [ 93.971244] 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 [ 93.973512] RSP: 002b:00007fff483dcdd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 93.974496] RAX: ffffffffffffffda RBX: 00007fff483dd418 RCX: 00007f1621c370d7 [ 93.975413] RDX: 00007f1621ca141f RSI: 00007fff483dcd70 RDI: 0000000040000000 [ 93.976351] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff483dcb80 [ 93.977271] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f1621d49bf0 [ 93.978203] R13: 00007fff483dceb0 R14: 0000000000000000 R15: 00000000000000f8 [ 93.979185] [ 93.979496] irq event stamp: 8353 [ 93.979971] hardirqs last enabled at (8365): [] __up_console_sem+0x78/0x80 [ 93.981298] hardirqs last disabled at (8376): [] __up_console_sem+0x5d/0x80 [ 93.982393] softirqs last enabled at (8132): [] irq_exit_rcu+0x93/0xc0 [ 93.983612] softirqs last disabled at (8127): [] irq_exit_rcu+0x93/0xc0 [ 93.984695] ---[ end trace 0000000000000000 ]--- [ 93.992523] ------------[ cut here ]------------ [ 93.993228] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 93.995197] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 93.996256] Modules linked in: [ 93.996664] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 93.997861] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 93.998867] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 93.999512] 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 [ 94.001734] RSP: 0018:ffff888020047c00 EFLAGS: 00010282 [ 94.002411] RAX: 0000000000000000 RBX: ffff888013a35a40 RCX: 0000000000000000 [ 94.003339] RDX: ffff888018053680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 94.004268] RBP: ffff888013a35a54 R08: 0000000000000001 R09: 0000000000000000 [ 94.005183] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 94.006101] R13: ffffffff84e23fe0 R14: ffff888013a35a48 R15: ffffffff84da7d60 [ 94.007021] FS: 000055555562f400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 94.008050] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.008859] CR2: 00007f31046316f4 CR3: 0000000020266000 CR4: 0000000000350ee0 [ 94.009779] Call Trace: [ 94.010115] [ 94.010418] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 94.011094] ipv6_frags_init_net+0x206/0x3c0 [ 94.011673] ops_init+0xbb/0x6b0 [ 94.012172] setup_net+0x3d9/0x990 [ 94.012643] ? down_read_killable+0x1d7/0x4e0 [ 94.013268] ? __pfx_setup_net+0x10/0x10 [ 94.013827] ? copy_net_ns+0x17c/0x770 [ 94.014347] copy_net_ns+0x321/0x770 [ 94.014888] create_new_namespaces+0x3f6/0xb30 [ 94.015488] unshare_nsproxy_namespaces+0xc1/0x200 [ 94.016187] ksys_unshare+0x44d/0x8e0 [ 94.016692] ? __pfx_ksys_unshare+0x10/0x10 [ 94.017291] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 94.018054] __x64_sys_unshare+0x31/0x40 [ 94.018581] do_syscall_64+0x3f/0x90 [ 94.019103] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 94.019802] RIP: 0033:0x7f1621c370d7 [ 94.020293] 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 [ 94.022525] RSP: 002b:00007fff483dcdd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 94.023499] RAX: ffffffffffffffda RBX: 00007fff483dd418 RCX: 00007f1621c370d7 [ 94.024432] RDX: 00007f1621ca141f RSI: 00007fff483dcd70 RDI: 0000000040000000 [ 94.025356] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff483dcb80 [ 94.026282] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f1621d49bf0 [ 94.027188] R13: 00007fff483dceb0 R14: 0000000000000000 R15: 00000000000000f8 [ 94.028116] [ 94.028446] irq event stamp: 10527 [ 94.028930] hardirqs last enabled at (10539): [] __up_console_sem+0x78/0x80 [ 94.030058] hardirqs last disabled at (10552): [] __up_console_sem+0x5d/0x80 [ 94.031165] softirqs last enabled at (10010): [] irq_exit_rcu+0x93/0xc0 [ 94.032241] softirqs last disabled at (9987): [] irq_exit_rcu+0x93/0xc0 [ 94.033310] ---[ end trace 0000000000000000 ]--- [ 94.034794] ------------[ cut here ]------------ [ 94.035389] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 94.037327] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 94.038432] Modules linked in: [ 94.038884] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 94.040072] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 94.041143] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 94.041841] 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 [ 94.044108] RSP: 0018:ffff888020047bf0 EFLAGS: 00010286 [ 94.044844] RAX: 0000000000000000 RBX: ffff888013a35440 RCX: 0000000000000000 [ 94.045764] RDX: ffff888018053680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 94.046641] RBP: ffff888013a35454 R08: 0000000000000001 R09: 0000000000000000 [ 94.047559] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 94.048487] R13: ffffffff84e23fe0 R14: ffff888013a35448 R15: ffffffff84db0aa0 [ 94.049408] FS: 000055555562f400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 94.050437] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 94.051222] CR2: 00007f31046316f4 CR3: 0000000020266000 CR4: 0000000000350ee0 [ 94.052148] Call Trace: [ 94.052484] [ 94.052835] nf_ct_net_init+0x224/0x3d0 [ 94.053368] ? __pfx_nf_ct_net_init+0x10/0x10 [ 94.053992] ops_init+0xbb/0x6b0 [ 94.054455] setup_net+0x3d9/0x990 [ 94.054960] ? down_read_killable+0x1d7/0x4e0 [ 94.055549] ? __pfx_setup_net+0x10/0x10 [ 94.056104] ? copy_net_ns+0x17c/0x770 [ 94.056652] copy_net_ns+0x321/0x770 [ 94.057182] create_new_namespaces+0x3f6/0xb30 [ 94.057813] unshare_nsproxy_namespaces+0xc1/0x200 [ 94.058447] ksys_unshare+0x44d/0x8e0 [ 94.058984] ? __pfx_ksys_unshare+0x10/0x10 [ 94.059545] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 94.060327] __x64_sys_unshare+0x31/0x40 [ 94.060890] do_syscall_64+0x3f/0x90 [ 94.061379] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 94.062075] RIP: 0033:0x7f1621c370d7 [ 94.062550] 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 [ 94.064792] RSP: 002b:00007fff483dcdd8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 94.065778] RAX: ffffffffffffffda RBX: 00007fff483dd418 RCX: 00007f1621c370d7 [ 94.066664] RDX: 00007f1621ca141f RSI: 00007fff483dcd70 RDI: 0000000040000000 [ 94.067600] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff483dcb80 [ 94.068544] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f1621d49bf0 [ 94.069458] R13: 00007fff483dceb0 R14: 0000000000000000 R15: 00000000000000f8 [ 94.070395] [ 94.070737] irq event stamp: 11381 [ 94.071182] hardirqs last enabled at (11391): [] __up_console_sem+0x78/0x80 [ 94.072292] hardirqs last disabled at (11402): [] __up_console_sem+0x5d/0x80 [ 94.073385] softirqs last enabled at (11054): [] irq_exit_rcu+0x93/0xc0 [ 94.074451] softirqs last disabled at (11049): [] irq_exit_rcu+0x93/0xc0 [ 94.075512] ---[ end trace 0000000000000000 ]--- [ 95.629176] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 97.677008] Bluetooth: hci0: command 0x041b tx timeout executing program [ 99.724860] Bluetooth: hci0: command 0x040f tx timeout [ 101.772798] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 17:22:27 Registers: info registers vcpu 0 RAX=000000000003439b RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 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 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=00007f78a45158f8 CR3=000000000e454000 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=b2c8b44e97d515837a47eb139ab78eb6 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=3450ece868918179000000000013e4c8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=41551b3a14fa6d2b00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000002e RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880200475f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002e R11=0000000000000001 R12=000000000000002e 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 000055555562f400 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=00007f31046316f4 CR3=0000000020266000 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