syzkaller login: [ 42.477443] sshd (217) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:40477' (ECDSA) to the list of known hosts. 2023/05/17 20:02:07 fuzzer started 2023/05/17 20:02:08 dialing manager at localhost:44319 2023/05/17 20:02:08 checking machine... 2023/05/17 20:02:08 checking revisions... [ 44.630762] kmemleak: Automatic memory scanning thread ended 2023/05/17 20:02:08 testing simple program... [ 44.698798] cgroup: Unknown subsys name 'net' [ 44.786007] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 57.392925] audit: type=1400 audit(1684353740.935:6): avc: denied { execmem } for pid=258 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 58.521534] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 58.523611] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 58.525436] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 58.528036] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 58.530283] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 58.533195] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 58.923774] ------------[ cut here ]------------ [ 58.925030] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 58.927006] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.928299] Modules linked in: [ 58.928824] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 58.933591] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.934625] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.935274] 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 [ 58.937453] RSP: 0018:ffff88801bf7fc00 EFLAGS: 00010282 [ 58.938141] RAX: 0000000000000000 RBX: ffff88800ed98c40 RCX: 0000000000000000 [ 58.939028] RDX: ffff8880182eb680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 58.939917] RBP: ffff88800ed98c54 R08: 0000000000000001 R09: 0000000000000000 [ 58.940799] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 58.941691] R13: ffffffff84e23fe0 R14: ffff88800ed98c48 R15: ffffffff84d74dc0 [ 58.942607] FS: 0000555555aad400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 58.943600] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.944300] CR2: 00007f9c7083ef88 CR3: 000000000e89c000 CR4: 0000000000350ef0 [ 58.945192] Call Trace: [ 58.945546] [ 58.945840] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 58.946506] ipv4_frags_init_net+0x269/0x440 [ 58.947061] ops_init+0xbb/0x6b0 [ 58.947539] setup_net+0x3d9/0x990 [ 58.948001] ? down_read_killable+0x1d7/0x4e0 [ 58.948595] ? __pfx_setup_net+0x10/0x10 [ 58.949099] ? copy_net_ns+0x17c/0x770 [ 58.949640] copy_net_ns+0x321/0x770 [ 58.950130] create_new_namespaces+0x3f6/0xb30 [ 58.950751] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.951375] ksys_unshare+0x44d/0x8e0 [ 58.951896] ? __pfx_ksys_unshare+0x10/0x10 [ 58.952455] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.953191] __x64_sys_unshare+0x31/0x40 [ 58.953739] do_syscall_64+0x3f/0x90 [ 58.954244] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 58.954915] RIP: 0033:0x7f9d463d30d7 [ 58.955380] 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 [ 58.957542] RSP: 002b:00007fffaae726a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 58.958469] RAX: ffffffffffffffda RBX: 00007fffaae72ce8 RCX: 00007f9d463d30d7 [ 58.959356] RDX: 00007f9d4643d41f RSI: 00007fffaae72640 RDI: 0000000040000000 [ 58.960241] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffaae72450 [ 58.961127] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9d464e5bf0 [ 58.962028] R13: 00007fffaae72780 R14: 0000000000000000 R15: 00000000000000f8 [ 58.962953] [ 58.963251] irq event stamp: 7981 [ 58.963713] hardirqs last enabled at (7993): [] __up_console_sem+0x78/0x80 [ 58.964774] hardirqs last disabled at (8004): [] __up_console_sem+0x5d/0x80 [ 58.965816] softirqs last enabled at (7890): [] irq_exit_rcu+0x93/0xc0 [ 58.966871] softirqs last disabled at (7885): [] irq_exit_rcu+0x93/0xc0 [ 58.967903] ---[ end trace 0000000000000000 ]--- [ 58.974131] ------------[ cut here ]------------ [ 58.974809] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 58.976523] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 58.977632] Modules linked in: [ 58.978071] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 58.979288] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 58.980353] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 58.981060] 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 [ 58.983352] RSP: 0018:ffff88801bf7fc00 EFLAGS: 00010282 [ 58.984074] RAX: 0000000000000000 RBX: ffff888008d5e640 RCX: 0000000000000000 [ 58.984998] RDX: ffff8880182eb680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 58.985958] RBP: ffff888008d5e654 R08: 0000000000000001 R09: 0000000000000000 [ 58.986903] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 58.987831] R13: ffffffff84e23fe0 R14: ffff888008d5e648 R15: ffffffff84da7d60 [ 58.988753] FS: 0000555555aad400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 58.989801] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 58.990594] CR2: 00007f9c7083ef88 CR3: 000000000e89c000 CR4: 0000000000350ef0 [ 58.991524] Call Trace: [ 58.991865] [ 58.992175] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 58.992854] ipv6_frags_init_net+0x206/0x3c0 [ 58.993436] ops_init+0xbb/0x6b0 [ 58.993955] setup_net+0x3d9/0x990 [ 58.994409] ? down_read_killable+0x1d7/0x4e0 [ 58.995006] ? __pfx_setup_net+0x10/0x10 [ 58.995552] ? copy_net_ns+0x17c/0x770 [ 58.996056] copy_net_ns+0x321/0x770 [ 58.996574] create_new_namespaces+0x3f6/0xb30 [ 58.997152] unshare_nsproxy_namespaces+0xc1/0x200 [ 58.997802] ksys_unshare+0x44d/0x8e0 [ 58.998294] ? __pfx_ksys_unshare+0x10/0x10 [ 58.998869] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 58.999612] __x64_sys_unshare+0x31/0x40 [ 59.000128] do_syscall_64+0x3f/0x90 [ 59.000652] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.001300] RIP: 0033:0x7f9d463d30d7 [ 59.001790] 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 [ 59.003960] RSP: 002b:00007fffaae726a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.004896] RAX: ffffffffffffffda RBX: 00007fffaae72ce8 RCX: 00007f9d463d30d7 [ 59.005781] RDX: 00007f9d4643d41f RSI: 00007fffaae72640 RDI: 0000000040000000 [ 59.006683] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffaae72450 [ 59.007563] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9d464e5bf0 [ 59.008405] R13: 00007fffaae72780 R14: 0000000000000000 R15: 00000000000000f8 [ 59.009332] [ 59.009662] irq event stamp: 11067 [ 59.010115] hardirqs last enabled at (11077): [] __up_console_sem+0x78/0x80 [ 59.011181] hardirqs last disabled at (11088): [] __up_console_sem+0x5d/0x80 [ 59.012242] softirqs last enabled at (10548): [] irq_exit_rcu+0x93/0xc0 [ 59.013277] softirqs last disabled at (10527): [] irq_exit_rcu+0x93/0xc0 [ 59.014351] ---[ end trace 0000000000000000 ]--- [ 59.015720] ------------[ cut here ]------------ [ 59.016299] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 59.018186] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.019252] Modules linked in: [ 59.019694] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.020861] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.021879] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.022570] 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 [ 59.024729] RSP: 0018:ffff88801bf7fbf0 EFLAGS: 00010286 [ 59.025378] RAX: 0000000000000000 RBX: ffff88800c56fc40 RCX: 0000000000000000 [ 59.026285] RDX: ffff8880182eb680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.027174] RBP: ffff88800c56fc54 R08: 0000000000000001 R09: 0000000000000000 [ 59.028059] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.028935] R13: ffffffff84e23fe0 R14: ffff88800c56fc48 R15: ffffffff84db0aa0 [ 59.029816] FS: 0000555555aad400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 59.030826] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.031564] CR2: 00007f9c7083ef88 CR3: 000000000e89c000 CR4: 0000000000350ef0 [ 59.032421] Call Trace: [ 59.032784] [ 59.033088] nf_ct_net_init+0x224/0x3d0 [ 59.033629] ? __pfx_nf_ct_net_init+0x10/0x10 [ 59.034219] ops_init+0xbb/0x6b0 [ 59.034701] setup_net+0x3d9/0x990 [ 59.035156] ? down_read_killable+0x1d7/0x4e0 [ 59.035749] ? __pfx_setup_net+0x10/0x10 [ 59.036251] ? copy_net_ns+0x17c/0x770 [ 59.036783] copy_net_ns+0x321/0x770 [ 59.037261] create_new_namespaces+0x3f6/0xb30 [ 59.037883] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.038533] ksys_unshare+0x44d/0x8e0 [ 59.039021] ? __pfx_ksys_unshare+0x10/0x10 [ 59.039590] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.040298] __x64_sys_unshare+0x31/0x40 [ 59.040845] do_syscall_64+0x3f/0x90 [ 59.041320] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.042016] RIP: 0033:0x7f9d463d30d7 [ 59.042517] 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 [ 59.044671] RSP: 002b:00007fffaae726a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 59.045617] RAX: ffffffffffffffda RBX: 00007fffaae72ce8 RCX: 00007f9d463d30d7 [ 59.046521] RDX: 00007f9d4643d41f RSI: 00007fffaae72640 RDI: 0000000040000000 [ 59.047381] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fffaae72450 [ 59.048272] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f9d464e5bf0 [ 59.049159] R13: 00007fffaae72780 R14: 0000000000000000 R15: 00000000000000f8 [ 59.050091] [ 59.050386] irq event stamp: 11853 [ 59.050848] hardirqs last enabled at (11865): [] __up_console_sem+0x78/0x80 [ 59.051908] hardirqs last disabled at (11876): [] __up_console_sem+0x5d/0x80 [ 59.052982] softirqs last enabled at (11392): [] irq_exit_rcu+0x93/0xc0 [ 59.054024] softirqs last disabled at (11387): [] irq_exit_rcu+0x93/0xc0 [ 59.055071] ---[ end trace 0000000000000000 ]--- executing program [ 60.607113] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 62.654541] Bluetooth: hci0: command 0x041b tx timeout [ 64.702578] Bluetooth: hci0: command 0x040f tx timeout executing program [ 66.750577] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 20:02:22 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801bf7f5f0 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 0000555555aad400 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=00007f9c7083ef88 CR3=000000000e89c000 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=0000000000028233 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=00007f888c037018 CR3=00000000168d2000 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=2032323a32303a30322037312079614d XMM01=5d3939323832392e38352020205b203a XMM02=646f4d205d3939323832392e38352020 XMM03=6b7a79732032323a32303a3032203731 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120393532203a4449 XMM06=57205d3630303732392e38352020205b XMM07=79732032323a32303a30322037312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000