Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:43795' (ECDSA) to the list of known hosts. 2023/05/18 04:52:35 fuzzer started 2023/05/18 04:52:35 dialing manager at localhost:44319 2023/05/18 04:52:35 checking machine... 2023/05/18 04:52:35 checking revisions... syzkaller login: [ 29.417731] kmemleak: Automatic memory scanning thread ended 2023/05/18 04:52:35 testing simple program... [ 29.481796] cgroup: Unknown subsys name 'net' [ 29.555549] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 41.520301] audit: type=1400 audit(1684385567.624:6): avc: denied { execmem } for pid=259 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 42.646776] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 42.648540] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 42.649675] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 42.652245] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 42.653832] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 42.655023] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 43.024460] ------------[ cut here ]------------ [ 43.025726] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 43.027874] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 43.029184] Modules linked in: [ 43.029669] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 43.034364] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.035365] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 43.036021] 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 [ 43.038179] RSP: 0018:ffff88801f187c00 EFLAGS: 00010282 [ 43.038817] RAX: 0000000000000000 RBX: ffff88800ef7d440 RCX: 0000000000000000 [ 43.039729] RDX: ffff8880199bb680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 43.040618] RBP: ffff88800ef7d454 R08: 0000000000000001 R09: 0000000000000000 [ 43.041474] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 43.042347] R13: ffffffff84e23fe0 R14: ffff88800ef7d448 R15: ffffffff84d74dc0 [ 43.043220] FS: 0000555556a6b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 43.044236] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.044933] CR2: 00007f93d58106f4 CR3: 000000000987a000 CR4: 0000000000350ee0 [ 43.045803] Call Trace: [ 43.046128] [ 43.046449] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 43.047053] ipv4_frags_init_net+0x269/0x440 [ 43.047653] ops_init+0xbb/0x6b0 [ 43.048101] setup_net+0x3d9/0x990 [ 43.048586] ? down_read_killable+0x1d7/0x4e0 [ 43.049187] ? __pfx_setup_net+0x10/0x10 [ 43.049691] ? copy_net_ns+0x17c/0x770 [ 43.050218] copy_net_ns+0x321/0x770 [ 43.050697] create_new_namespaces+0x3f6/0xb30 [ 43.051301] unshare_nsproxy_namespaces+0xc1/0x200 [ 43.051911] ksys_unshare+0x44d/0x8e0 [ 43.052420] ? __pfx_ksys_unshare+0x10/0x10 [ 43.052954] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 43.053679] __x64_sys_unshare+0x31/0x40 [ 43.054217] do_syscall_64+0x3f/0x90 [ 43.054691] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 43.055350] RIP: 0033:0x7faa5336f0d7 [ 43.055818] 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 [ 43.057948] RSP: 002b:00007ffdc09873e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 43.058867] RAX: ffffffffffffffda RBX: 00007ffdc0987a28 RCX: 00007faa5336f0d7 [ 43.059768] RDX: 00007faa533d941f RSI: 00007ffdc0987380 RDI: 0000000040000000 [ 43.060640] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdc0987190 [ 43.061507] R10: 0000000000000000 R11: 0000000000000206 R12: 00007faa53481bf0 [ 43.062390] R13: 00007ffdc09874c0 R14: 0000000000000000 R15: 00000000000000f8 [ 43.063284] [ 43.063585] irq event stamp: 9769 [ 43.064007] hardirqs last enabled at (9779): [] __up_console_sem+0x78/0x80 [ 43.065049] hardirqs last disabled at (9790): [] __up_console_sem+0x5d/0x80 [ 43.066085] softirqs last enabled at (9252): [] irq_exit_rcu+0x93/0xc0 [ 43.067101] softirqs last disabled at (9069): [] irq_exit_rcu+0x93/0xc0 [ 43.068119] ---[ end trace 0000000000000000 ]--- [ 43.073217] ------------[ cut here ]------------ [ 43.073802] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 43.075689] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 43.076735] Modules linked in: [ 43.077140] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 43.078301] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.079306] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 43.079960] 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 [ 43.082094] RSP: 0018:ffff88801f187c00 EFLAGS: 00010282 [ 43.082760] RAX: 0000000000000000 RBX: ffff888015ba6240 RCX: 0000000000000000 [ 43.083649] RDX: ffff8880199bb680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 43.084519] RBP: ffff888015ba6254 R08: 0000000000000001 R09: 0000000000000000 [ 43.085403] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 43.086278] R13: ffffffff84e23fe0 R14: ffff888015ba6248 R15: ffffffff84da7d60 [ 43.087129] FS: 0000555556a6b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 43.088127] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.088863] CR2: 00007f93d58106f4 CR3: 000000000987a000 CR4: 0000000000350ee0 [ 43.089742] Call Trace: [ 43.090063] [ 43.090390] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 43.090997] ipv6_frags_init_net+0x206/0x3c0 [ 43.091582] ops_init+0xbb/0x6b0 [ 43.092036] setup_net+0x3d9/0x990 [ 43.092517] ? down_read_killable+0x1d7/0x4e0 [ 43.093075] ? __pfx_setup_net+0x10/0x10 [ 43.093612] ? copy_net_ns+0x17c/0x770 [ 43.094111] copy_net_ns+0x321/0x770 [ 43.094616] create_new_namespaces+0x3f6/0xb30 [ 43.095221] unshare_nsproxy_namespaces+0xc1/0x200 [ 43.095847] ksys_unshare+0x44d/0x8e0 [ 43.096366] ? __pfx_ksys_unshare+0x10/0x10 [ 43.096915] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 43.097641] __x64_sys_unshare+0x31/0x40 [ 43.098145] do_syscall_64+0x3f/0x90 [ 43.098650] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 43.099311] RIP: 0033:0x7faa5336f0d7 [ 43.099783] 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 [ 43.101907] RSP: 002b:00007ffdc09873e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 43.102846] RAX: ffffffffffffffda RBX: 00007ffdc0987a28 RCX: 00007faa5336f0d7 [ 43.103749] RDX: 00007faa533d941f RSI: 00007ffdc0987380 RDI: 0000000040000000 [ 43.104624] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdc0987190 [ 43.105503] R10: 0000000000000000 R11: 0000000000000206 R12: 00007faa53481bf0 [ 43.106375] R13: 00007ffdc09874c0 R14: 0000000000000000 R15: 00000000000000f8 [ 43.107281] [ 43.107580] irq event stamp: 11349 [ 43.108017] hardirqs last enabled at (11359): [] __up_console_sem+0x78/0x80 [ 43.109065] hardirqs last disabled at (11370): [] __up_console_sem+0x5d/0x80 [ 43.110111] softirqs last enabled at (10850): [] irq_exit_rcu+0x93/0xc0 [ 43.111141] softirqs last disabled at (10845): [] irq_exit_rcu+0x93/0xc0 [ 43.112191] ---[ end trace 0000000000000000 ]--- [ 43.113572] ------------[ cut here ]------------ [ 43.114141] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 43.116196] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 43.117260] Modules linked in: [ 43.117669] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 43.118802] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.119803] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 43.120465] 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 [ 43.122608] RSP: 0018:ffff88801f187bf0 EFLAGS: 00010286 [ 43.123285] RAX: 0000000000000000 RBX: ffff888016655440 RCX: 0000000000000000 [ 43.124134] RDX: ffff8880199bb680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 43.125011] RBP: ffff888016655454 R08: 0000000000000001 R09: 0000000000000000 [ 43.125885] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 43.126765] R13: ffffffff84e23fe0 R14: ffff888016655448 R15: ffffffff84db0aa0 [ 43.127670] FS: 0000555556a6b400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 43.128649] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.129388] CR2: 00007f93d58106f4 CR3: 000000000987a000 CR4: 0000000000350ee0 [ 43.130262] Call Trace: [ 43.130584] [ 43.130883] nf_ct_net_init+0x224/0x3d0 [ 43.131424] ? __pfx_nf_ct_net_init+0x10/0x10 [ 43.132004] ops_init+0xbb/0x6b0 [ 43.132482] setup_net+0x3d9/0x990 [ 43.132938] ? down_read_killable+0x1d7/0x4e0 [ 43.133536] ? __pfx_setup_net+0x10/0x10 [ 43.134037] ? copy_net_ns+0x17c/0x770 [ 43.134570] copy_net_ns+0x321/0x770 [ 43.135046] create_new_namespaces+0x3f6/0xb30 [ 43.135658] unshare_nsproxy_namespaces+0xc1/0x200 [ 43.136302] ksys_unshare+0x44d/0x8e0 [ 43.136787] ? __pfx_ksys_unshare+0x10/0x10 [ 43.137359] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 43.138059] __x64_sys_unshare+0x31/0x40 [ 43.138614] do_syscall_64+0x3f/0x90 [ 43.139088] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 43.139784] RIP: 0033:0x7faa5336f0d7 [ 43.140268] 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 [ 43.142409] RSP: 002b:00007ffdc09873e8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 43.143342] RAX: ffffffffffffffda RBX: 00007ffdc0987a28 RCX: 00007faa5336f0d7 [ 43.144230] RDX: 00007faa533d941f RSI: 00007ffdc0987380 RDI: 0000000040000000 [ 43.145081] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffdc0987190 [ 43.145941] R10: 0000000000000000 R11: 0000000000000206 R12: 00007faa53481bf0 [ 43.146811] R13: 00007ffdc09874c0 R14: 0000000000000000 R15: 00000000000000f8 [ 43.147724] [ 43.148019] irq event stamp: 12107 [ 43.148478] hardirqs last enabled at (12119): [] __up_console_sem+0x78/0x80 [ 43.149537] hardirqs last disabled at (12130): [] __up_console_sem+0x5d/0x80 [ 43.150593] softirqs last enabled at (11970): [] irq_exit_rcu+0x93/0xc0 [ 43.151646] softirqs last disabled at (11965): [] irq_exit_rcu+0x93/0xc0 [ 43.152692] ---[ end trace 0000000000000000 ]--- executing program [ 44.669819] Bluetooth: hci0: command 0x0409 tx timeout [ 46.717763] Bluetooth: hci0: command 0x041b tx timeout executing program [ 48.765244] Bluetooth: hci0: command 0x040f tx timeout executing program [ 50.813212] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 04:52:49 Registers: info registers vcpu 0 RAX=0000000000019705 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=00007fd599347530 CR3=000000001640a000 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=2039343a32353a34302038312079614d XMM01=5d3437383732302e33342020205b203a XMM02=74656e20746120303632203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120303632203a4449 XMM06=57205d3437383732302e33342020205b XMM07=79732039343a32353a34302038312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000063 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801f1875f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000063 R11=0000000000000001 R12=0000000000000063 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 0000555556a6b400 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=00007f93d58106f4 CR3=000000000987a000 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