Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:53532' (ECDSA) to the list of known hosts. 2023/05/17 12:17:16 fuzzer started 2023/05/17 12:17:16 dialing manager at localhost:44319 2023/05/17 12:17:16 checking machine... 2023/05/17 12:17:16 checking revisions... syzkaller login: [ 37.469231] kmemleak: Automatic memory scanning thread ended 2023/05/17 12:17:16 testing simple program... [ 37.535423] cgroup: Unknown subsys name 'net' [ 37.621241] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.829421] audit: type=1400 audit(1684325850.168:6): 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 [ 51.913060] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.914618] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.917317] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.919805] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.921428] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.922626] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 52.323084] ------------[ cut here ]------------ [ 52.323909] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.325961] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.327150] Modules linked in: [ 52.327579] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.332301] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.333310] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.334001] 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 [ 52.336180] RSP: 0018:ffff88801999fc00 EFLAGS: 00010282 [ 52.336875] RAX: 0000000000000000 RBX: ffff88800efe0040 RCX: 0000000000000000 [ 52.337732] RDX: ffff88800d03b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.338620] RBP: ffff88800efe0054 R08: 0000000000000001 R09: 0000000000000000 [ 52.339497] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.340387] R13: ffffffff84e23fe0 R14: ffff88800efe0048 R15: ffffffff84d74dc0 [ 52.341268] FS: 0000555557083400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.342253] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.342977] CR2: 00007fa3e1b676f4 CR3: 000000001e922000 CR4: 0000000000350ee0 [ 52.343887] Call Trace: [ 52.344212] [ 52.344507] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.345141] ipv4_frags_init_net+0x269/0x440 [ 52.345701] ops_init+0xbb/0x6b0 [ 52.346176] setup_net+0x3d9/0x990 [ 52.346628] ? down_read_killable+0x1d7/0x4e0 [ 52.347220] ? __pfx_setup_net+0x10/0x10 [ 52.347729] ? copy_net_ns+0x17c/0x770 [ 52.348271] copy_net_ns+0x321/0x770 [ 52.348752] create_new_namespaces+0x3f6/0xb30 [ 52.349369] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.350002] ksys_unshare+0x44d/0x8e0 [ 52.350490] ? __pfx_ksys_unshare+0x10/0x10 [ 52.351064] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.351775] __x64_sys_unshare+0x31/0x40 [ 52.352319] do_syscall_64+0x3f/0x90 [ 52.352803] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.353468] RIP: 0033:0x7ff1602a50d7 [ 52.353956] 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 [ 52.356103] RSP: 002b:00007ffdb10c2358 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.357045] RAX: ffffffffffffffda RBX: 00007ffdb10c2998 RCX: 00007ff1602a50d7 [ 52.357927] RDX: 00007ff16030f41f RSI: 00007ffdb10c22f0 RDI: 0000000040000000 [ 52.358781] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdb10c2100 [ 52.359676] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff1603b7bf0 [ 52.360572] R13: 00007ffdb10c2430 R14: 0000000000000000 R15: 00000000000000f8 [ 52.361487] [ 52.361783] irq event stamp: 14477 [ 52.362241] hardirqs last enabled at (14489): [] __up_console_sem+0x78/0x80 [ 52.363293] hardirqs last disabled at (14500): [] __up_console_sem+0x5d/0x80 [ 52.364391] softirqs last enabled at (14016): [] irq_exit_rcu+0x93/0xc0 [ 52.365427] softirqs last disabled at (13993): [] irq_exit_rcu+0x93/0xc0 [ 52.366461] ---[ end trace 0000000000000000 ]--- [ 52.371501] ------------[ cut here ]------------ [ 52.372171] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.373827] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.374926] Modules linked in: [ 52.375330] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.376488] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.377502] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.378183] 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 [ 52.380325] RSP: 0018:ffff88801999fc00 EFLAGS: 00010282 [ 52.381015] RAX: 0000000000000000 RBX: ffff88800d7a5e40 RCX: 0000000000000000 [ 52.381888] RDX: ffff88800d03b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.382737] RBP: ffff88800d7a5e54 R08: 0000000000000001 R09: 0000000000000000 [ 52.383630] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.384564] R13: ffffffff84e23fe0 R14: ffff88800d7a5e48 R15: ffffffff84da7d60 [ 52.385495] FS: 0000555557083400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.386530] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.387295] CR2: 00007fa3e1b676f4 CR3: 000000001e922000 CR4: 0000000000350ee0 [ 52.388225] Call Trace: [ 52.388567] [ 52.388900] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 52.389532] ipv6_frags_init_net+0x206/0x3c0 [ 52.390132] ops_init+0xbb/0x6b0 [ 52.390596] setup_net+0x3d9/0x990 [ 52.391101] ? down_read_killable+0x1d7/0x4e0 [ 52.391683] ? __pfx_setup_net+0x10/0x10 [ 52.392260] ? copy_net_ns+0x17c/0x770 [ 52.392794] copy_net_ns+0x321/0x770 [ 52.393321] create_new_namespaces+0x3f6/0xb30 [ 52.393950] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.394582] ksys_unshare+0x44d/0x8e0 [ 52.395117] ? __pfx_ksys_unshare+0x10/0x10 [ 52.395680] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.396455] __x64_sys_unshare+0x31/0x40 [ 52.397016] do_syscall_64+0x3f/0x90 [ 52.397507] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.398207] RIP: 0033:0x7ff1602a50d7 [ 52.398683] 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 [ 52.400951] RSP: 002b:00007ffdb10c2358 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.401934] RAX: ffffffffffffffda RBX: 00007ffdb10c2998 RCX: 00007ff1602a50d7 [ 52.402816] RDX: 00007ff16030f41f RSI: 00007ffdb10c22f0 RDI: 0000000040000000 [ 52.403731] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdb10c2100 [ 52.404662] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff1603b7bf0 [ 52.405584] R13: 00007ffdb10c2430 R14: 0000000000000000 R15: 00000000000000f8 [ 52.406520] [ 52.406828] irq event stamp: 16195 [ 52.407305] hardirqs last enabled at (16207): [] __up_console_sem+0x78/0x80 [ 52.408415] hardirqs last disabled at (16228): [] __up_console_sem+0x5d/0x80 [ 52.409510] softirqs last enabled at (16224): [] irq_exit_rcu+0x93/0xc0 [ 52.410574] softirqs last disabled at (16215): [] irq_exit_rcu+0x93/0xc0 [ 52.411655] ---[ end trace 0000000000000000 ]--- [ 52.413094] ------------[ cut here ]------------ [ 52.413693] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 52.415698] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.416791] Modules linked in: [ 52.417236] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.418414] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.419446] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.420165] 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 [ 52.422405] RSP: 0018:ffff88801999fbf0 EFLAGS: 00010286 [ 52.423099] RAX: 0000000000000000 RBX: ffff88800d7a5640 RCX: 0000000000000000 [ 52.424029] RDX: ffff88800d03b680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.424955] RBP: ffff88800d7a5654 R08: 0000000000000001 R09: 0000000000000000 [ 52.425874] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 52.426753] R13: ffffffff84e23fe0 R14: ffff88800d7a5648 R15: ffffffff84db0aa0 [ 52.427677] FS: 0000555557083400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.428729] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.429494] CR2: 00007fa3e1b676f4 CR3: 000000001e922000 CR4: 0000000000350ee0 [ 52.430409] Call Trace: [ 52.430756] [ 52.431090] nf_ct_net_init+0x224/0x3d0 [ 52.431622] ? __pfx_nf_ct_net_init+0x10/0x10 [ 52.432254] ops_init+0xbb/0x6b0 [ 52.432718] setup_net+0x3d9/0x990 [ 52.433217] ? down_read_killable+0x1d7/0x4e0 [ 52.433805] ? __pfx_setup_net+0x10/0x10 [ 52.434363] ? copy_net_ns+0x17c/0x770 [ 52.434914] copy_net_ns+0x321/0x770 [ 52.435412] create_new_namespaces+0x3f6/0xb30 [ 52.436062] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.436700] ksys_unshare+0x44d/0x8e0 [ 52.437230] ? __pfx_ksys_unshare+0x10/0x10 [ 52.437789] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.438554] __x64_sys_unshare+0x31/0x40 [ 52.439116] do_syscall_64+0x3f/0x90 [ 52.439605] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.440316] RIP: 0033:0x7ff1602a50d7 [ 52.440799] 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 [ 52.443039] RSP: 002b:00007ffdb10c2358 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.444040] RAX: ffffffffffffffda RBX: 00007ffdb10c2998 RCX: 00007ff1602a50d7 [ 52.444960] RDX: 00007ff16030f41f RSI: 00007ffdb10c22f0 RDI: 0000000040000000 [ 52.445866] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdb10c2100 [ 52.446745] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff1603b7bf0 [ 52.447666] R13: 00007ffdb10c2430 R14: 0000000000000000 R15: 00000000000000f8 [ 52.448610] [ 52.448962] irq event stamp: 17011 [ 52.449411] hardirqs last enabled at (17021): [] __up_console_sem+0x78/0x80 [ 52.450516] hardirqs last disabled at (17032): [] __up_console_sem+0x5d/0x80 [ 52.451616] softirqs last enabled at (16862): [] irq_exit_rcu+0x93/0xc0 [ 52.452691] softirqs last disabled at (16857): [] irq_exit_rcu+0x93/0xc0 [ 52.453766] ---[ end trace 0000000000000000 ]--- [ 53.935523] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 55.984500] Bluetooth: hci0: command 0x041b tx timeout [ 58.030903] Bluetooth: hci0: command 0x040f tx timeout executing program [ 60.078919] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 12:17:31 Registers: info registers vcpu 0 RAX=000000000002a13f 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=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 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=00007fbc21170000 CR3=000000000cbc2000 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=2031333a37313a32312037312079614d XMM01=5d3136393532332e32352020205b203a XMM02=74656e20746120383532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120383532203a4449 XMM06=57205d3136393532332e32352020205b XMM07=79732031333a37313a32312037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000030 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801999f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000030 R11=0000000000000001 R12=0000000000000030 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 0000555557083400 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=00007fa3e1b676f4 CR3=000000001e922000 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=f00aa0e546bda0686434bd937eeb4495 XMM02=83990ec409091f0b1d295452d496396f XMM03=be4ea0f3f28fc98f515b433b06cc7bb5 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=0d0c0f0e09080b0a0504070601000302 XMM07=0e0d0c0f0a09080b0605040702010003 XMM08=a9efade9ea5d8f9b471a4338900ec897 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000