Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:5729' (ECDSA) to the list of known hosts. 2023/05/18 05:45:43 fuzzer started 2023/05/18 05:45:43 dialing manager at localhost:44319 2023/05/18 05:45:43 checking machine... 2023/05/18 05:45:43 checking revisions... syzkaller login: [ 38.359856] kmemleak: Automatic memory scanning thread ended 2023/05/18 05:45:43 testing simple program... [ 38.432309] cgroup: Unknown subsys name 'net' [ 38.507601] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.635222] audit: type=1400 audit(1684388757.055:6): 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 [ 52.729889] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.731345] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.734920] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.737987] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.739416] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.740863] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.130546] ------------[ cut here ]------------ [ 53.131347] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 53.133297] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.134607] Modules linked in: [ 53.135124] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.140230] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.141415] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.142223] 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 [ 53.144435] RSP: 0018:ffff888016e5fc00 EFLAGS: 00010282 [ 53.145218] RAX: 0000000000000000 RBX: ffff888016619040 RCX: 0000000000000000 [ 53.146125] RDX: ffff8880183ad1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.147012] RBP: ffff888016619054 R08: 0000000000000001 R09: 0000000000000000 [ 53.147903] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.148821] R13: ffffffff84e23fe0 R14: ffff888016619048 R15: ffffffff84d74dc0 [ 53.149735] FS: 000055555601f400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.150751] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.151458] CR2: 00007f5dec2bc6f4 CR3: 0000000010160000 CR4: 0000000000350ef0 [ 53.152371] Call Trace: [ 53.152727] [ 53.153029] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.153682] ipv4_frags_init_net+0x269/0x440 [ 53.154249] ops_init+0xbb/0x6b0 [ 53.154728] setup_net+0x3d9/0x990 [ 53.155185] ? down_read_killable+0x1d7/0x4e0 [ 53.155792] ? __pfx_setup_net+0x10/0x10 [ 53.156323] ? copy_net_ns+0x17c/0x770 [ 53.156876] copy_net_ns+0x321/0x770 [ 53.157363] create_new_namespaces+0x3f6/0xb30 [ 53.157980] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.158595] ksys_unshare+0x44d/0x8e0 [ 53.159126] ? __pfx_ksys_unshare+0x10/0x10 [ 53.159704] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.160427] __x64_sys_unshare+0x31/0x40 [ 53.160975] do_syscall_64+0x3f/0x90 [ 53.161456] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.162131] RIP: 0033:0x7fb3704a80d7 [ 53.162595] 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 [ 53.164769] RSP: 002b:00007fff264433f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.165729] RAX: ffffffffffffffda RBX: 00007fff26443a38 RCX: 00007fb3704a80d7 [ 53.166596] RDX: 00007fb37051241f RSI: 00007fff26443390 RDI: 0000000040000000 [ 53.167507] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff264431a0 [ 53.168426] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb3705babf0 [ 53.169317] R13: 00007fff264434d0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.170227] [ 53.170534] irq event stamp: 8241 [ 53.170991] hardirqs last enabled at (8253): [] __up_console_sem+0x78/0x80 [ 53.172084] hardirqs last disabled at (8264): [] __up_console_sem+0x5d/0x80 [ 53.173140] softirqs last enabled at (7832): [] irq_exit_rcu+0x93/0xc0 [ 53.174176] softirqs last disabled at (7827): [] irq_exit_rcu+0x93/0xc0 [ 53.175228] ---[ end trace 0000000000000000 ]--- [ 53.180243] ------------[ cut here ]------------ [ 53.180995] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.182660] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.183741] Modules linked in: [ 53.184159] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.185350] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.186397] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.187091] 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 [ 53.189296] RSP: 0018:ffff888016e5fc00 EFLAGS: 00010282 [ 53.189997] RAX: 0000000000000000 RBX: ffff888013dae240 RCX: 0000000000000000 [ 53.190890] RDX: ffff8880183ad1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.191795] RBP: ffff888013dae254 R08: 0000000000000001 R09: 0000000000000000 [ 53.192697] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.193579] R13: ffffffff84e23fe0 R14: ffff888013dae248 R15: ffffffff84da7d60 [ 53.194484] FS: 000055555601f400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.195495] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.196264] CR2: 00007f5dec2bc6f4 CR3: 0000000010160000 CR4: 0000000000350ef0 [ 53.197177] Call Trace: [ 53.197504] [ 53.197845] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.198457] ipv6_frags_init_net+0x206/0x3c0 [ 53.199058] ops_init+0xbb/0x6b0 [ 53.199504] setup_net+0x3d9/0x990 [ 53.199989] ? down_read_killable+0x1d7/0x4e0 [ 53.200572] ? __pfx_setup_net+0x10/0x10 [ 53.201123] ? copy_net_ns+0x17c/0x770 [ 53.201631] copy_net_ns+0x321/0x770 [ 53.202147] create_new_namespaces+0x3f6/0xb30 [ 53.202761] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.203380] ksys_unshare+0x44d/0x8e0 [ 53.203920] ? __pfx_ksys_unshare+0x10/0x10 [ 53.204477] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.205231] __x64_sys_unshare+0x31/0x40 [ 53.205781] do_syscall_64+0x3f/0x90 [ 53.206261] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.206939] RIP: 0033:0x7fb3704a80d7 [ 53.207414] 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 [ 53.209618] RSP: 002b:00007fff264433f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.210558] RAX: ffffffffffffffda RBX: 00007fff26443a38 RCX: 00007fb3704a80d7 [ 53.211459] RDX: 00007fb37051241f RSI: 00007fff26443390 RDI: 0000000040000000 [ 53.212376] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff264431a0 [ 53.213273] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb3705babf0 [ 53.214164] R13: 00007fff264434d0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.215075] [ 53.215384] irq event stamp: 9941 [ 53.215848] hardirqs last enabled at (9953): [] __up_console_sem+0x78/0x80 [ 53.216917] hardirqs last disabled at (9964): [] __up_console_sem+0x5d/0x80 [ 53.218001] softirqs last enabled at (9424): [] irq_exit_rcu+0x93/0xc0 [ 53.219039] softirqs last disabled at (9367): [] irq_exit_rcu+0x93/0xc0 [ 53.220088] ---[ end trace 0000000000000000 ]--- executing program [ 53.222032] ------------[ cut here ]------------ [ 53.222722] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.224630] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.225750] Modules linked in: [ 53.226157] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.227316] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.228361] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.229049] 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 [ 53.231284] RSP: 0018:ffff888016e5fbf0 EFLAGS: 00010286 [ 53.231982] RAX: 0000000000000000 RBX: ffff888013daf840 RCX: 0000000000000000 [ 53.232888] RDX: ffff8880183ad1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.233790] RBP: ffff888013daf854 R08: 0000000000000001 R09: 0000000000000000 [ 53.234687] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.235539] R13: ffffffff84e23fe0 R14: ffff888013daf848 R15: ffffffff84db0aa0 [ 53.236448] FS: 000055555601f400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 53.237450] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.238190] CR2: 00007f5dec2bc6f4 CR3: 0000000010160000 CR4: 0000000000350ef0 [ 53.239104] Call Trace: [ 53.239444] [ 53.239796] nf_ct_net_init+0x224/0x3d0 [ 53.240330] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.240955] ops_init+0xbb/0x6b0 [ 53.241404] setup_net+0x3d9/0x990 [ 53.241899] ? down_read_killable+0x1d7/0x4e0 [ 53.242469] ? __pfx_setup_net+0x10/0x10 [ 53.243017] ? copy_net_ns+0x17c/0x770 [ 53.243528] copy_net_ns+0x321/0x770 [ 53.244072] create_new_namespaces+0x3f6/0xb30 [ 53.244690] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.245323] ksys_unshare+0x44d/0x8e0 [ 53.245849] ? __pfx_ksys_unshare+0x10/0x10 [ 53.246400] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.247145] __x64_sys_unshare+0x31/0x40 [ 53.247696] do_syscall_64+0x3f/0x90 [ 53.248188] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.248865] RIP: 0033:0x7fb3704a80d7 [ 53.249331] 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 [ 53.251521] RSP: 002b:00007fff264433f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.252510] RAX: ffffffffffffffda RBX: 00007fff26443a38 RCX: 00007fb3704a80d7 [ 53.253409] RDX: 00007fb37051241f RSI: 00007fff26443390 RDI: 0000000040000000 [ 53.254300] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff264431a0 [ 53.255196] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb3705babf0 [ 53.256091] R13: 00007fff264434d0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.257009] [ 53.257311] irq event stamp: 10763 [ 53.257773] hardirqs last enabled at (10775): [] __up_console_sem+0x78/0x80 [ 53.258850] hardirqs last disabled at (10786): [] __up_console_sem+0x5d/0x80 [ 53.259934] softirqs last enabled at (10470): [] irq_exit_rcu+0x93/0xc0 [ 53.260985] softirqs last disabled at (10465): [] irq_exit_rcu+0x93/0xc0 [ 53.262046] ---[ end trace 0000000000000000 ]--- [ 54.809311] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 56.856811] Bluetooth: hci0: command 0x041b tx timeout [ 58.904720] Bluetooth: hci0: command 0x040f tx timeout executing program [ 60.952712] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 05:45:57 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888016e5f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 000055555601f400 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=00007f5dec2bc6f4 CR3=0000000010160000 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=0000000000038bd5 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=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 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=00007f5b6a8d7e10 CR3=000000000e986000 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=22007c1aa38a2496d24795d42ab11740 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=a3e7e5c3f85b6b6c000000000013c040 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=2d9dd5caf92270cb00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020002000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000