Debian GNU/Linux 11 syzkaller ttyS0 Warning: Permanently added '[localhost]:33349' (ECDSA) to the list of known hosts. 2023/05/18 00:07:51 fuzzer started 2023/05/18 00:07:52 dialing manager at localhost:44319 2023/05/18 00:07:52 checking machine... 2023/05/18 00:07:52 checking revisions... syzkaller login: [ 38.248016] kmemleak: Automatic memory scanning thread ended 2023/05/18 00:07:52 testing simple program... [ 38.324233] cgroup: Unknown subsys name 'net' [ 38.403640] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.475896] audit: type=1400 audit(1684368485.568:6): 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 [ 52.565239] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.567439] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.569611] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.573137] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.576278] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.579535] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.941955] ------------[ cut here ]------------ [ 52.943141] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 52.945375] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.946696] Modules linked in: [ 52.947177] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.952091] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.953107] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.953774] 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 [ 52.956012] RSP: 0018:ffff888016767c00 EFLAGS: 00010282 [ 52.956702] RAX: 0000000000000000 RBX: ffff88800fafdc40 RCX: 0000000000000000 [ 52.957563] RDX: ffff8880167e3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 52.958454] RBP: ffff88800fafdc54 R08: 0000000000000001 R09: 0000000000000000 [ 52.959324] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 52.960201] R13: ffffffff84e23fe0 R14: ffff88800fafdc48 R15: ffffffff84d74dc0 [ 52.961086] FS: 00005555572aa400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 52.962066] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.962824] CR2: 00007fa1858cb6f4 CR3: 000000001a542000 CR4: 0000000000350ee0 [ 52.963705] Call Trace: [ 52.964034] [ 52.964331] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 52.964982] ipv4_frags_init_net+0x269/0x440 [ 52.965554] ops_init+0xbb/0x6b0 [ 52.966020] ? ops_init+0x14f/0x6b0 [ 52.966512] setup_net+0x3d9/0x990 [ 52.966997] ? down_read_killable+0x1d7/0x4e0 [ 52.967572] ? __pfx_setup_net+0x10/0x10 [ 52.968115] ? copy_net_ns+0x17c/0x770 [ 52.968620] copy_net_ns+0x321/0x770 [ 52.969129] create_new_namespaces+0x3f6/0xb30 [ 52.969744] unshare_nsproxy_namespaces+0xc1/0x200 [ 52.970386] ksys_unshare+0x44d/0x8e0 [ 52.970914] ? __pfx_ksys_unshare+0x10/0x10 [ 52.971460] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 52.972202] __x64_sys_unshare+0x31/0x40 [ 52.972751] do_syscall_64+0x3f/0x90 [ 52.973227] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 52.973925] RIP: 0033:0x7f3657ff00d7 [ 52.974439] 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 [ 52.976696] RSP: 002b:00007ffe2e051458 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 52.977643] RAX: ffffffffffffffda RBX: 00007ffe2e051a98 RCX: 00007f3657ff00d7 [ 52.978574] RDX: 00007f365805a41f RSI: 00007ffe2e0513f0 RDI: 0000000040000000 [ 52.979519] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe2e051200 [ 52.980445] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3658102bf0 [ 52.981373] R13: 00007ffe2e051530 R14: 0000000000000000 R15: 00000000000000f8 [ 52.982338] [ 52.982687] irq event stamp: 8665 [ 52.983119] hardirqs last enabled at (8675): [] __up_console_sem+0x78/0x80 [ 52.984237] hardirqs last disabled at (8686): [] __up_console_sem+0x5d/0x80 [ 52.985357] softirqs last enabled at (8192): [] irq_exit_rcu+0x93/0xc0 [ 52.986460] softirqs last disabled at (8165): [] irq_exit_rcu+0x93/0xc0 [ 52.987513] ---[ end trace 0000000000000000 ]--- [ 52.992861] ------------[ cut here ]------------ [ 52.993496] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 52.995205] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 52.996335] Modules linked in: [ 52.996786] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 52.997987] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 52.999046] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 52.999760] 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 [ 53.002087] RSP: 0018:ffff888016767c00 EFLAGS: 00010282 [ 53.002825] RAX: 0000000000000000 RBX: ffff888013696640 RCX: 0000000000000000 [ 53.003750] RDX: ffff8880167e3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.004678] RBP: ffff888013696654 R08: 0000000000000001 R09: 0000000000000000 [ 53.005577] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.006519] R13: ffffffff84e23fe0 R14: ffff888013696648 R15: ffffffff84da7d60 [ 53.007444] FS: 00005555572aa400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.008496] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.009276] CR2: 00007fa1858cb6f4 CR3: 000000001a542000 CR4: 0000000000350ee0 [ 53.010219] Call Trace: [ 53.010579] [ 53.010916] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.011560] ipv6_frags_init_net+0x206/0x3c0 [ 53.012169] ops_init+0xbb/0x6b0 [ 53.012637] setup_net+0x3d9/0x990 [ 53.013137] ? down_read_killable+0x1d7/0x4e0 [ 53.013775] ? __pfx_setup_net+0x10/0x10 [ 53.014344] ? copy_net_ns+0x17c/0x770 [ 53.014910] copy_net_ns+0x321/0x770 [ 53.015426] create_new_namespaces+0x3f6/0xb30 [ 53.016073] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.016754] ksys_unshare+0x44d/0x8e0 [ 53.017271] ? __pfx_ksys_unshare+0x10/0x10 [ 53.017890] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.018685] __x64_sys_unshare+0x31/0x40 [ 53.019228] do_syscall_64+0x3f/0x90 [ 53.019776] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.020449] RIP: 0033:0x7f3657ff00d7 [ 53.020955] 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 [ 53.023295] RSP: 002b:00007ffe2e051458 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.024292] RAX: ffffffffffffffda RBX: 00007ffe2e051a98 RCX: 00007f3657ff00d7 [ 53.025222] RDX: 00007f365805a41f RSI: 00007ffe2e0513f0 RDI: 0000000040000000 [ 53.026181] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe2e051200 [ 53.027140] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3658102bf0 [ 53.028072] R13: 00007ffe2e051530 R14: 0000000000000000 R15: 00000000000000f8 [ 53.029026] [ 53.029335] irq event stamp: 10509 [ 53.029812] hardirqs last enabled at (10521): [] __up_console_sem+0x78/0x80 [ 53.030958] hardirqs last disabled at (10532): [] __up_console_sem+0x5d/0x80 [ 53.032082] softirqs last enabled at (10068): [] irq_exit_rcu+0x93/0xc0 [ 53.033175] softirqs last disabled at (10063): [] irq_exit_rcu+0x93/0xc0 [ 53.034291] ---[ end trace 0000000000000000 ]--- [ 53.035609] ------------[ cut here ]------------ [ 53.036264] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.038215] WARNING: CPU: 1 PID: 257 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.039355] Modules linked in: [ 53.039810] CPU: 1 PID: 257 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 53.041017] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.042076] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.042798] 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 [ 53.045081] RSP: 0018:ffff888016767bf0 EFLAGS: 00010286 [ 53.045791] RAX: 0000000000000000 RBX: ffff88800dc14040 RCX: 0000000000000000 [ 53.046682] RDX: ffff8880167e3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 53.047530] RBP: ffff88800dc14054 R08: 0000000000000001 R09: 0000000000000000 [ 53.048422] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.049349] R13: ffffffff84e23fe0 R14: ffff88800dc14048 R15: ffffffff84db0aa0 [ 53.050291] FS: 00005555572aa400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.051324] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.052093] CR2: 00007fa1858cb6f4 CR3: 000000001a542000 CR4: 0000000000350ee0 [ 53.052994] Call Trace: [ 53.053321] [ 53.053621] nf_ct_net_init+0x224/0x3d0 [ 53.054175] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.054789] ops_init+0xbb/0x6b0 [ 53.055228] setup_net+0x3d9/0x990 [ 53.055714] ? down_read_killable+0x1d7/0x4e0 [ 53.056280] ? __pfx_setup_net+0x10/0x10 [ 53.056814] ? copy_net_ns+0x17c/0x770 [ 53.057321] copy_net_ns+0x321/0x770 [ 53.057833] create_new_namespaces+0x3f6/0xb30 [ 53.058429] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.059063] ksys_unshare+0x44d/0x8e0 [ 53.059551] ? __pfx_ksys_unshare+0x10/0x10 [ 53.060120] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.060843] __x64_sys_unshare+0x31/0x40 [ 53.061349] do_syscall_64+0x3f/0x90 [ 53.061860] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.062526] RIP: 0033:0x7f3657ff00d7 [ 53.063022] 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 [ 53.065151] RSP: 002b:00007ffe2e051458 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.066079] RAX: ffffffffffffffda RBX: 00007ffe2e051a98 RCX: 00007f3657ff00d7 [ 53.066969] RDX: 00007f365805a41f RSI: 00007ffe2e0513f0 RDI: 0000000040000000 [ 53.067843] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe2e051200 [ 53.068711] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f3658102bf0 [ 53.069552] R13: 00007ffe2e051530 R14: 0000000000000000 R15: 00000000000000f8 [ 53.070469] [ 53.070796] irq event stamp: 11265 [ 53.071224] hardirqs last enabled at (11275): [] __up_console_sem+0x78/0x80 [ 53.072264] hardirqs last disabled at (11286): [] __up_console_sem+0x5d/0x80 [ 53.073303] softirqs last enabled at (11160): [] irq_exit_rcu+0x93/0xc0 [ 53.074326] softirqs last disabled at (11155): [] irq_exit_rcu+0x93/0xc0 [ 53.075357] ---[ end trace 0000000000000000 ]--- executing program [ 54.634353] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 56.681781] Bluetooth: hci0: command 0x041b tx timeout [ 58.729787] Bluetooth: hci0: command 0x040f tx timeout executing program [ 60.777901] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 00:08:04 Registers: info registers vcpu 0 RAX=0000000000029f47 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=00007f0a730df000 CR3=000000001004a000 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=2037303a38303a30302038312079614d XMM01=5d3537333534392e32352020205b203a XMM02=74656e20746120373532203a44495020 XMM03=735f74656e5f72657473696765722035 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120373532203a4449 XMM06=57205d3537333534392e32352020205b XMM07=79732037303a38303a30302038312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880167675f0 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 00005555572aa400 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=00007fa1858cb6f4 CR3=000000001a542000 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