syzkaller login: [ 79.436802] sshd (223) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:58429' (ECDSA) to the list of known hosts. 2023/05/16 14:52:10 fuzzer started 2023/05/16 14:52:11 dialing manager at localhost:35573 2023/05/16 14:52:11 checking machine... 2023/05/16 14:52:11 checking revisions... [ 81.657038] kmemleak: Automatic memory scanning thread ended 2023/05/16 14:52:11 testing simple program... [ 81.724390] cgroup: Unknown subsys name 'net' [ 81.825044] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 95.946394] audit: type=1400 audit(1684248745.697:6): avc: denied { execmem } for pid=264 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program [ 97.080913] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 97.082492] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 97.084410] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 97.087543] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 97.089110] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 97.090873] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 97.462751] ------------[ cut here ]------------ [ 97.463429] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 97.465699] WARNING: CPU: 0 PID: 265 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 97.466793] Modules linked in: [ 97.467210] CPU: 0 PID: 265 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 97.472485] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 97.473491] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 97.474159] 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 [ 97.476340] RSP: 0018:ffff88800fa4fc00 EFLAGS: 00010282 [ 97.477021] RAX: 0000000000000000 RBX: ffff888015e76440 RCX: 0000000000000000 [ 97.477904] RDX: ffff88800be8b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 97.478788] RBP: ffff888015e76454 R08: 0000000000000001 R09: 0000000000000000 [ 97.479653] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 97.480554] R13: ffffffff84e223a0 R14: ffff888015e76448 R15: ffffffff84d73340 [ 97.481449] FS: 0000555555c78400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 97.482435] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 97.483180] CR2: 00007f970e2000a4 CR3: 0000000015e5a000 CR4: 0000000000350ef0 [ 97.484059] Call Trace: [ 97.484388] [ 97.484686] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 97.485335] ipv4_frags_init_net+0x269/0x440 [ 97.485905] ops_init+0xbb/0x6b0 [ 97.486356] setup_net+0x3d9/0x990 [ 97.486842] ? down_read_killable+0x1d7/0x4e0 [ 97.487432] ? __pfx_setup_net+0x10/0x10 [ 97.487968] ? copy_net_ns+0x17c/0x770 [ 97.488474] copy_net_ns+0x321/0x770 [ 97.488981] create_new_namespaces+0x3f6/0xb30 [ 97.489570] unshare_nsproxy_namespaces+0xc1/0x200 [ 97.490209] ksys_unshare+0x44d/0x8e0 [ 97.490697] ? __pfx_ksys_unshare+0x10/0x10 [ 97.491288] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 97.492028] __x64_sys_unshare+0x31/0x40 [ 97.492548] do_syscall_64+0x3f/0x90 [ 97.493053] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 97.493698] RIP: 0033:0x7f82413780d7 [ 97.494189] 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 [ 97.496350] RSP: 002b:00007fff85191fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 97.497292] RAX: ffffffffffffffda RBX: 00007fff85192628 RCX: 00007f82413780d7 [ 97.498172] RDX: 00007f82413e241f RSI: 00007fff85191f80 RDI: 0000000040000000 [ 97.499081] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff85191d90 [ 97.499993] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f824148abf0 [ 97.500899] R13: 00007fff851920c0 R14: 0000000000000000 R15: 00000000000000f8 [ 97.501815] [ 97.502116] irq event stamp: 8427 [ 97.502540] hardirqs last enabled at (8437): [] __up_console_sem+0x78/0x80 [ 97.503615] hardirqs last disabled at (8448): [] __up_console_sem+0x5d/0x80 [ 97.504662] softirqs last enabled at (8388): [] irq_exit_rcu+0x93/0xc0 [ 97.505696] softirqs last disabled at (8375): [] irq_exit_rcu+0x93/0xc0 [ 97.506745] ---[ end trace 0000000000000000 ]--- [ 97.511855] ------------[ cut here ]------------ [ 97.512454] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 97.514998] WARNING: CPU: 0 PID: 265 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 97.516153] Modules linked in: [ 97.516559] CPU: 0 PID: 265 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 97.517826] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 97.518958] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 97.519623] 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 [ 97.521909] RSP: 0018:ffff88800fa4fc00 EFLAGS: 00010282 [ 97.522557] RAX: 0000000000000000 RBX: ffff88800f2e9040 RCX: 0000000000000000 [ 97.523602] RDX: ffff88800be8b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 97.524631] RBP: ffff88800f2e9054 R08: 0000000000000001 R09: 0000000000000000 [ 97.525684] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 97.526749] R13: ffffffff84e223a0 R14: ffff88800f2e9048 R15: ffffffff84da62e0 [ 97.527731] FS: 0000555555c78400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 97.528907] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 97.529614] CR2: 00007f970e2000a4 CR3: 0000000015e5a000 CR4: 0000000000350ef0 [ 97.530574] Call Trace: [ 97.530935] [ 97.531258] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 97.531905] ipv6_frags_init_net+0x206/0x3c0 [ 97.532465] ops_init+0xbb/0x6b0 [ 97.532935] setup_net+0x3d9/0x990 [ 97.533392] ? down_read_killable+0x1d7/0x4e0 [ 97.533988] ? __pfx_setup_net+0x10/0x10 [ 97.534490] ? copy_net_ns+0x17c/0x770 [ 97.535026] copy_net_ns+0x321/0x770 [ 97.535520] create_new_namespaces+0x3f6/0xb30 [ 97.536134] unshare_nsproxy_namespaces+0xc1/0x200 [ 97.536750] ksys_unshare+0x44d/0x8e0 [ 97.537276] ? __pfx_ksys_unshare+0x10/0x10 [ 97.537863] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 97.538570] __x64_sys_unshare+0x31/0x40 [ 97.539154] do_syscall_64+0x3f/0x90 [ 97.539633] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 97.540305] RIP: 0033:0x7f82413780d7 [ 97.540794] 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 [ 97.542957] RSP: 002b:00007fff85191fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 97.543926] RAX: ffffffffffffffda RBX: 00007fff85192628 RCX: 00007f82413780d7 [ 97.544825] RDX: 00007f82413e241f RSI: 00007fff85191f80 RDI: 0000000040000000 [ 97.545683] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff85191d90 [ 97.546571] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f824148abf0 [ 97.547469] R13: 00007fff851920c0 R14: 0000000000000000 R15: 00000000000000f8 [ 97.548367] [ 97.548671] irq event stamp: 11251 [ 97.549141] hardirqs last enabled at (11263): [] __up_console_sem+0x78/0x80 [ 97.550206] hardirqs last disabled at (11274): [] __up_console_sem+0x5d/0x80 [ 97.551300] softirqs last enabled at (10936): [] irq_exit_rcu+0x93/0xc0 [ 97.552344] softirqs last disabled at (10915): [] irq_exit_rcu+0x93/0xc0 [ 97.553393] ---[ end trace 0000000000000000 ]--- [ 97.554826] ------------[ cut here ]------------ [ 97.555413] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 97.557353] WARNING: CPU: 0 PID: 265 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 97.558418] Modules linked in: [ 97.558856] CPU: 0 PID: 265 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 97.560050] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 97.561061] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 97.561709] 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 [ 97.563914] RSP: 0018:ffff88800fa4fbf0 EFLAGS: 00010286 [ 97.564568] RAX: 0000000000000000 RBX: ffff88800f2e9640 RCX: 0000000000000000 [ 97.565473] RDX: ffff88800be8b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 97.566364] RBP: ffff88800f2e9654 R08: 0000000000000001 R09: 0000000000000000 [ 97.567272] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 97.568156] R13: ffffffff84e223a0 R14: ffff88800f2e9648 R15: ffffffff84daf020 [ 97.569044] FS: 0000555555c78400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 97.570043] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 97.570791] CR2: 00007f970e2000a4 CR3: 0000000015e5a000 CR4: 0000000000350ef0 [ 97.571681] Call Trace: [ 97.572046] [ 97.572348] nf_ct_net_init+0x224/0x3d0 [ 97.572900] ? __pfx_nf_ct_net_init+0x10/0x10 [ 97.573476] ops_init+0xbb/0x6b0 [ 97.573953] setup_net+0x3d9/0x990 [ 97.574455] ? down_read_killable+0x1d7/0x4e0 [ 97.575073] ? __pfx_setup_net+0x10/0x10 [ 97.575584] ? copy_net_ns+0x17c/0x770 [ 97.576114] copy_net_ns+0x321/0x770 [ 97.576587] create_new_namespaces+0x3f6/0xb30 [ 97.577200] unshare_nsproxy_namespaces+0xc1/0x200 [ 97.577838] ksys_unshare+0x44d/0x8e0 [ 97.578329] ? __pfx_ksys_unshare+0x10/0x10 [ 97.578904] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 97.579634] __x64_sys_unshare+0x31/0x40 [ 97.580189] do_syscall_64+0x3f/0x90 [ 97.580665] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 97.581325] RIP: 0033:0x7f82413780d7 [ 97.581829] 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 [ 97.584001] RSP: 002b:00007fff85191fe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 97.584936] RAX: ffffffffffffffda RBX: 00007fff85192628 RCX: 00007f82413780d7 [ 97.585823] RDX: 00007f82413e241f RSI: 00007fff85191f80 RDI: 0000000040000000 [ 97.586671] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff85191d90 [ 97.587563] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f824148abf0 [ 97.588438] R13: 00007fff851920c0 R14: 0000000000000000 R15: 00000000000000f8 [ 97.589344] [ 97.589639] irq event stamp: 12137 [ 97.590100] hardirqs last enabled at (12149): [] __up_console_sem+0x78/0x80 [ 97.591188] hardirqs last disabled at (12160): [] __up_console_sem+0x5d/0x80 [ 97.592254] softirqs last enabled at (12034): [] irq_exit_rcu+0x93/0xc0 [ 97.593274] softirqs last disabled at (12029): [] irq_exit_rcu+0x93/0xc0 [ 97.594310] ---[ end trace 0000000000000000 ]--- [ 99.164490] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 101.212844] Bluetooth: hci0: command 0x041b tx timeout executing program [ 103.259851] Bluetooth: hci0: command 0x040f tx timeout [ 105.307835] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 14:51:49 Registers: info registers vcpu 0 RAX=0000000000000032 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88800fa4f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000032 R11=0000000000000001 R12=0000000000000032 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 0000555555c78400 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=00007f970e2000a4 CR3=0000000015e5a000 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=000000000006670d RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 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 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=00007fb33e0d48b0 CR3=000000000e6fe000 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=2037323a32353a34312036312079614d XMM01=5d3339373636342e37392020205b203a XMM02=646f4d205d3339373636342e37392020 XMM03=6b7a79732037323a32353a3431203631 XMM04=7379735f74656e5f7265747369676572 XMM05=732f74656e20746120353632203a4449 XMM06=57205d3939363536342e37392020205b XMM07=79732037323a32353a34312036312079 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000