Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:31700' (ECDSA) to the list of known hosts. 2023/05/18 01:44:40 fuzzer started 2023/05/18 01:44:41 dialing manager at localhost:44319 2023/05/18 01:44:41 checking machine... 2023/05/18 01:44:41 checking revisions... syzkaller login: [ 36.237796] kmemleak: Automatic memory scanning thread ended 2023/05/18 01:44:41 testing simple program... [ 36.307334] cgroup: Unknown subsys name 'net' [ 36.409381] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.052514] audit: type=1400 audit(1684374294.311:6): avc: denied { execmem } for pid=256 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 50.217202] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.226793] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.228148] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.231749] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.233345] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.234658] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.638758] ------------[ cut here ]------------ [ 50.639997] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.642039] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.643289] Modules linked in: [ 50.643697] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.648207] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.649223] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.649862] 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 [ 50.652058] RSP: 0018:ffff88801ed0fc00 EFLAGS: 00010282 [ 50.652704] RAX: 0000000000000000 RBX: ffff888015b22040 RCX: 0000000000000000 [ 50.653618] RDX: ffff888016f651c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.654507] RBP: ffff888015b22054 R08: 0000000000000001 R09: 0000000000000000 [ 50.655396] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.656282] R13: ffffffff84e23fe0 R14: ffff888015b22048 R15: ffffffff84d74dc0 [ 50.657184] FS: 0000555556da4400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.658176] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.658917] CR2: 00007ffcee021000 CR3: 000000001468a000 CR4: 0000000000350ef0 [ 50.659768] Call Trace: [ 50.660121] [ 50.660419] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.661059] ipv4_frags_init_net+0x269/0x440 [ 50.661619] ops_init+0xbb/0x6b0 [ 50.662129] setup_net+0x3d9/0x990 [ 50.662592] ? down_read_killable+0x1d7/0x4e0 [ 50.663199] ? __pfx_setup_net+0x10/0x10 [ 50.663704] ? copy_net_ns+0x17c/0x770 [ 50.664240] copy_net_ns+0x321/0x770 [ 50.664728] create_new_namespaces+0x3f6/0xb30 [ 50.665343] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.665989] ksys_unshare+0x44d/0x8e0 [ 50.666492] ? __pfx_ksys_unshare+0x10/0x10 [ 50.667066] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.667774] __x64_sys_unshare+0x31/0x40 [ 50.668321] do_syscall_64+0x3f/0x90 [ 50.668797] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.669465] RIP: 0033:0x7f145de150d7 [ 50.669956] 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 [ 50.672113] RSP: 002b:00007fff075b2c28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.673061] RAX: ffffffffffffffda RBX: 00007fff075b3268 RCX: 00007f145de150d7 [ 50.673948] RDX: 00007f145de7f41f RSI: 00007fff075b2bc0 RDI: 0000000040000000 [ 50.674834] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff075b29d0 [ 50.675715] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f145df27bf0 [ 50.676595] R13: 00007fff075b2d00 R14: 0000000000000000 R15: 00000000000000f8 [ 50.677522] [ 50.677827] irq event stamp: 8117 [ 50.678286] hardirqs last enabled at (8129): [] __up_console_sem+0x78/0x80 [ 50.679328] hardirqs last disabled at (8140): [] __up_console_sem+0x5d/0x80 [ 50.680366] softirqs last enabled at (7656): [] irq_exit_rcu+0x93/0xc0 [ 50.681384] softirqs last disabled at (7629): [] irq_exit_rcu+0x93/0xc0 [ 50.682424] ---[ end trace 0000000000000000 ]--- [ 50.687393] ------------[ cut here ]------------ [ 50.688005] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.689612] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.690717] Modules linked in: [ 50.691161] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.692309] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.693314] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.694006] 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 [ 50.696185] RSP: 0018:ffff88801ed0fc00 EFLAGS: 00010282 [ 50.696841] RAX: 0000000000000000 RBX: ffff888013a5d240 RCX: 0000000000000000 [ 50.697722] RDX: ffff888016f651c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.698614] RBP: ffff888013a5d254 R08: 0000000000000001 R09: 0000000000000000 [ 50.699495] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.700391] R13: ffffffff84e23fe0 R14: ffff888013a5d248 R15: ffffffff84da7d60 [ 50.701302] FS: 0000555556da4400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.702351] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.703111] CR2: 00007ffcee021000 CR3: 000000001468a000 CR4: 0000000000350ef0 [ 50.704022] Call Trace: [ 50.704350] [ 50.704644] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.705300] ipv6_frags_init_net+0x206/0x3c0 [ 50.705859] ops_init+0xbb/0x6b0 [ 50.706350] setup_net+0x3d9/0x990 [ 50.706807] ? down_read_killable+0x1d7/0x4e0 [ 50.707407] ? __pfx_setup_net+0x10/0x10 [ 50.707960] ? copy_net_ns+0x17c/0x770 [ 50.708473] copy_net_ns+0x321/0x770 [ 50.708991] create_new_namespaces+0x3f6/0xb30 [ 50.709579] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.710248] ksys_unshare+0x44d/0x8e0 [ 50.710733] ? __pfx_ksys_unshare+0x10/0x10 [ 50.711309] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.712049] __x64_sys_unshare+0x31/0x40 [ 50.712563] do_syscall_64+0x3f/0x90 [ 50.713068] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.713715] RIP: 0033:0x7f145de150d7 [ 50.714216] 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 [ 50.716388] RSP: 002b:00007fff075b2c28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.717329] RAX: ffffffffffffffda RBX: 00007fff075b3268 RCX: 00007f145de150d7 [ 50.718233] RDX: 00007f145de7f41f RSI: 00007fff075b2bc0 RDI: 0000000040000000 [ 50.719122] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff075b29d0 [ 50.720001] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f145df27bf0 [ 50.720843] R13: 00007fff075b2d00 R14: 0000000000000000 R15: 00000000000000f8 [ 50.721748] [ 50.722082] irq event stamp: 9727 [ 50.722521] hardirqs last enabled at (9737): [] __up_console_sem+0x78/0x80 [ 50.723578] hardirqs last disabled at (9748): [] __up_console_sem+0x5d/0x80 [ 50.724647] softirqs last enabled at (9280): [] irq_exit_rcu+0x93/0xc0 [ 50.725671] softirqs last disabled at (9275): [] irq_exit_rcu+0x93/0xc0 [ 50.726707] ---[ end trace 0000000000000000 ]--- [ 50.728112] ------------[ cut here ]------------ [ 50.728701] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.730680] WARNING: CPU: 0 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.731737] Modules linked in: [ 50.732177] CPU: 0 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 50.733318] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.734333] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.735007] 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 [ 50.737156] RSP: 0018:ffff88801ed0fbf0 EFLAGS: 00010286 [ 50.737799] RAX: 0000000000000000 RBX: ffff888013a5c840 RCX: 0000000000000000 [ 50.738695] RDX: ffff888016f651c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 50.739571] RBP: ffff888013a5c854 R08: 0000000000000001 R09: 0000000000000000 [ 50.740455] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.741342] R13: ffffffff84e23fe0 R14: ffff888013a5c848 R15: ffffffff84db0aa0 [ 50.742267] FS: 0000555556da4400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.743252] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.743995] CR2: 00007ffcee021000 CR3: 000000001468a000 CR4: 0000000000350ef0 [ 50.744845] Call Trace: [ 50.745203] [ 50.745508] nf_ct_net_init+0x224/0x3d0 [ 50.746066] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.746655] ops_init+0xbb/0x6b0 [ 50.747132] setup_net+0x3d9/0x990 [ 50.747588] ? down_read_killable+0x1d7/0x4e0 [ 50.748189] ? __pfx_setup_net+0x10/0x10 [ 50.748708] ? copy_net_ns+0x17c/0x770 [ 50.749248] copy_net_ns+0x321/0x770 [ 50.749744] create_new_namespaces+0x3f6/0xb30 [ 50.750364] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.751014] ksys_unshare+0x44d/0x8e0 [ 50.751506] ? __pfx_ksys_unshare+0x10/0x10 [ 50.752082] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.752783] __x64_sys_unshare+0x31/0x40 [ 50.753322] do_syscall_64+0x3f/0x90 [ 50.753799] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.754489] RIP: 0033:0x7f145de150d7 [ 50.754984] 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 [ 50.757131] RSP: 002b:00007fff075b2c28 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 50.758080] RAX: ffffffffffffffda RBX: 00007fff075b3268 RCX: 00007f145de150d7 [ 50.758969] RDX: 00007f145de7f41f RSI: 00007fff075b2bc0 RDI: 0000000040000000 [ 50.759812] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff075b29d0 [ 50.760694] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f145df27bf0 [ 50.761564] R13: 00007fff075b2d00 R14: 0000000000000000 R15: 00000000000000f8 [ 50.762488] [ 50.762791] irq event stamp: 10555 [ 50.763246] hardirqs last enabled at (10567): [] __up_console_sem+0x78/0x80 [ 50.764294] hardirqs last disabled at (10578): [] __up_console_sem+0x5d/0x80 [ 50.765387] softirqs last enabled at (10592): [] irq_exit_rcu+0x93/0xc0 [ 50.766440] softirqs last disabled at (10587): [] irq_exit_rcu+0x93/0xc0 [ 50.767467] ---[ end trace 0000000000000000 ]--- executing program [ 52.301545] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 54.348959] Bluetooth: hci0: command 0x041b tx timeout [ 56.396944] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.444940] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 01:44:56 Registers: info registers vcpu 0 RAX=000000000000003a RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801ed0f5f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000003a R11=0000000000000001 R12=000000000000003a 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 0000555556da4400 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=00007ffcee021000 CR3=000000001468a000 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=000000000002ba7d RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844d199f 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=00007f32684fd200 CR3=0000000015bcc000 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=2035353a34343a31302038312079614d XMM01=5d3739393933362e30352020205b203a XMM02=657268745f776f6c5f6761726670692f XMM03=6c61626f6c67206c656e72656b206f74 XMM04=6f6c5f676172667069203a6174616420 XMM05=2073746e696f702061746164203a6873 XMM06=347670692f74656e206c746373797320 XMM07=6c656e72656b2072656c6c616b7a7973 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000