syzkaller login: [ 36.732640] sshd (218) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:60755' (ECDSA) to the list of known hosts. 2023/05/17 03:16:18 fuzzer started 2023/05/17 03:16:18 dialing manager at localhost:35573 2023/05/17 03:16:18 checking machine... 2023/05/17 03:16:18 checking revisions... [ 38.901986] kmemleak: Automatic memory scanning thread ended 2023/05/17 03:16:18 testing simple program... [ 38.977355] cgroup: Unknown subsys name 'net' [ 39.162369] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 51.861552] audit: type=1400 audit(1684293391.815:6): 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 [ 53.002946] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 53.004975] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 53.009074] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 53.012724] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 53.015053] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 53.016920] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 53.417464] ------------[ cut here ]------------ [ 53.418240] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 53.420346] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.421663] Modules linked in: [ 53.422172] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.427597] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.428625] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.429321] 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 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 53.431634] RSP: 0018:ffff88801cda7c00 EFLAGS: 00010282 [ 53.432353] RAX: 0000000000000000 RBX: ffff88800e525440 RCX: 0000000000000000 [ 53.433275] RDX: ffff88801bcf8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.434214] RBP: ffff88800e525454 R08: 0000000000000001 R09: 0000000000000000 [ 53.435149] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 53.436083] R13: ffffffff84e223a0 R14: ffff88800e525448 R15: ffffffff84d73340 [ 53.436986] FS: 0000555555eb2400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.438091] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.438829] CR2: 00007f5060296b28 CR3: 0000000016558000 CR4: 0000000000350ee0 [ 53.439761] Call Trace: [ 53.440134] [ 53.440450] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 53.441120] ipv4_frags_init_net+0x269/0x440 [ 53.441713] ops_init+0xbb/0x6b0 [ 53.442210] setup_net+0x3d9/0x990 [ 53.442683] ? down_read_killable+0x1d7/0x4e0 [ 53.443307] ? __pfx_setup_net+0x10/0x10 [ 53.443836] ? copy_net_ns+0x17c/0x770 [ 53.444393] copy_net_ns+0x321/0x770 [ 53.444893] create_new_namespaces+0x3f6/0xb30 [ 53.445552] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.446228] ksys_unshare+0x44d/0x8e0 [ 53.446745] ? __pfx_ksys_unshare+0x10/0x10 [ 53.447344] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.448130] __x64_sys_unshare+0x31/0x40 [ 53.448668] do_syscall_64+0x3f/0x90 [ 53.449196] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.449885] RIP: 0033:0x7f433988b0d7 [ 53.450409] 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 [ 53.452692] RSP: 002b:00007ffe58a43708 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.453697] RAX: ffffffffffffffda RBX: 00007ffe58a43d48 RCX: 00007f433988b0d7 [ 53.454627] RDX: 00007f43398f541f RSI: 00007ffe58a436a0 RDI: 0000000040000000 [ 53.455566] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe58a434b0 [ 53.456492] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f433999dbf0 [ 53.457444] R13: 00007ffe58a437e0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.458406] [ 53.458716] irq event stamp: 9123 [ 53.459192] hardirqs last enabled at (9135): [] __up_console_sem+0x78/0x80 [ 53.460293] hardirqs last disabled at (9146): [] __up_console_sem+0x5d/0x80 [ 53.461409] softirqs last enabled at (9018): [] irq_exit_rcu+0x93/0xc0 [ 53.462489] softirqs last disabled at (9013): [] irq_exit_rcu+0x93/0xc0 [ 53.463558] ---[ end trace 0000000000000000 ]--- [ 53.469733] ------------[ cut here ]------------ [ 53.470378] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 53.472113] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.473167] Modules linked in: [ 53.473589] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.474766] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.475789] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.476473] 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 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 53.478688] RSP: 0018:ffff88801cda7c00 EFLAGS: 00010282 [ 53.479391] RAX: 0000000000000000 RBX: ffff88800d716c40 RCX: 0000000000000000 [ 53.480320] RDX: ffff88801bcf8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.481256] RBP: ffff88800d716c54 R08: 0000000000000001 R09: 0000000000000000 [ 53.482196] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.483132] R13: ffffffff84e223a0 R14: ffff88800d716c48 R15: ffffffff84da62e0 [ 53.484066] FS: 0000555555eb2400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.485108] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.485869] CR2: 00007f5060296b28 CR3: 0000000016558000 CR4: 0000000000350ee0 [ 53.486798] Call Trace: [ 53.487164] [ 53.487471] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 53.488136] ipv6_frags_init_net+0x206/0x3c0 [ 53.488727] ops_init+0xbb/0x6b0 [ 53.489224] setup_net+0x3d9/0x990 [ 53.489702] ? down_read_killable+0x1d7/0x4e0 [ 53.490327] ? __pfx_setup_net+0x10/0x10 [ 53.490855] ? copy_net_ns+0x17c/0x770 [ 53.491406] copy_net_ns+0x321/0x770 [ 53.491906] create_new_namespaces+0x3f6/0xb30 [ 53.492547] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.493224] ksys_unshare+0x44d/0x8e0 [ 53.493754] ? __pfx_ksys_unshare+0x10/0x10 [ 53.494351] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.495129] __x64_sys_unshare+0x31/0x40 [ 53.495666] do_syscall_64+0x3f/0x90 [ 53.496201] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.496863] RIP: 0033:0x7f433988b0d7 [ 53.497382] 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 [ 53.499689] RSP: 002b:00007ffe58a43708 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.500683] RAX: ffffffffffffffda RBX: 00007ffe58a43d48 RCX: 00007f433988b0d7 [ 53.501641] RDX: 00007f43398f541f RSI: 00007ffe58a436a0 RDI: 0000000040000000 [ 53.502579] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe58a434b0 [ 53.503510] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f433999dbf0 [ 53.504446] R13: 00007ffe58a437e0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.505389] [ 53.505715] irq event stamp: 11067 [ 53.506211] hardirqs last enabled at (11079): [] __up_console_sem+0x78/0x80 [ 53.507331] hardirqs last disabled at (11090): [] __up_console_sem+0x5d/0x80 [ 53.508441] softirqs last enabled at (10560): [] irq_exit_rcu+0x93/0xc0 [ 53.509544] softirqs last disabled at (10537): [] irq_exit_rcu+0x93/0xc0 [ 53.510641] ---[ end trace 0000000000000000 ]--- [ 53.512036] ------------[ cut here ]------------ [ 53.512634] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 53.514584] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 53.515699] Modules linked in: [ 53.516151] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 53.517349] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 53.518431] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 53.519131] 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 20 24 e2 84 e8 6a cd d5 fc <0f> 0b 48 89 e8 48 c1 e8 03 42 0f b6 14 20 48 89 e8 83 e0 07 83 c0 [ 53.521445] RSP: 0018:ffff88801cda7bf0 EFLAGS: 00010286 [ 53.522164] RAX: 0000000000000000 RBX: ffff88800d716440 RCX: 0000000000000000 [ 53.523096] RDX: ffff88801bcf8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 53.524025] RBP: ffff88800d716454 R08: 0000000000000001 R09: 0000000000000000 [ 53.524916] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 53.525867] R13: ffffffff84e223a0 R14: ffff88800d716448 R15: ffffffff84daf020 [ 53.526798] FS: 0000555555eb2400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 53.527845] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 53.528620] CR2: 00007f5060296b28 CR3: 0000000016558000 CR4: 0000000000350ee0 [ 53.529568] Call Trace: [ 53.529906] [ 53.530249] nf_ct_net_init+0x224/0x3d0 [ 53.530796] ? __pfx_nf_ct_net_init+0x10/0x10 [ 53.531419] ops_init+0xbb/0x6b0 [ 53.531880] setup_net+0x3d9/0x990 [ 53.532384] ? down_read_killable+0x1d7/0x4e0 [ 53.532973] ? __pfx_setup_net+0x10/0x10 [ 53.533552] ? copy_net_ns+0x17c/0x770 [ 53.534111] copy_net_ns+0x321/0x770 [ 53.534612] create_new_namespaces+0x3f6/0xb30 [ 53.535251] unshare_nsproxy_namespaces+0xc1/0x200 [ 53.535894] ksys_unshare+0x44d/0x8e0 [ 53.536432] ? __pfx_ksys_unshare+0x10/0x10 [ 53.537035] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 53.537781] __x64_sys_unshare+0x31/0x40 [ 53.538348] do_syscall_64+0x3f/0x90 [ 53.538840] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 53.539539] RIP: 0033:0x7f433988b0d7 [ 53.540055] 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 [ 53.542345] RSP: 002b:00007ffe58a43708 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 53.543344] RAX: ffffffffffffffda RBX: 00007ffe58a43d48 RCX: 00007f433988b0d7 [ 53.544279] RDX: 00007f43398f541f RSI: 00007ffe58a436a0 RDI: 0000000040000000 [ 53.545213] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe58a434b0 [ 53.546158] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f433999dbf0 [ 53.547097] R13: 00007ffe58a437e0 R14: 0000000000000000 R15: 00000000000000f8 [ 53.548055] [ 53.548369] irq event stamp: 11865 [ 53.548816] hardirqs last enabled at (11875): [] __up_console_sem+0x78/0x80 [ 53.549953] hardirqs last disabled at (11886): [] __up_console_sem+0x5d/0x80 [ 53.551084] softirqs last enabled at (11358): [] irq_exit_rcu+0x93/0xc0 [ 53.552169] softirqs last disabled at (11345): [] irq_exit_rcu+0x93/0xc0 [ 53.553273] ---[ end trace 0000000000000000 ]--- executing program [ 55.073735] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 57.121068] Bluetooth: hci0: command 0x041b tx timeout [ 59.169069] Bluetooth: hci0: command 0x040f tx timeout executing program [ 61.217102] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 03:16:32 Registers: info registers vcpu 0 RAX=0000000000029b79 RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f 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 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=00007fcd040270c8 CR3=000000000e470000 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=2033333a36313a33302037312079614d XMM01=5d3237313232342e33352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d32 XMM07=6e72656b2072656c6c616b7a79732033 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=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801cda75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 R13=ffffffff87f27bc0 R14=0000000000000010 R15=ffffffff82507670 RIP=ffffffff825076dd 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 0000555555eb2400 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=00007f5060296b28 CR3=0000000016558000 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