syzkaller login: [ 150.939352] sshd (210) used greatest stack depth: 24016 bytes left Warning: Permanently added '[localhost]:17001' (ECDSA) to the list of known hosts. 2023/05/18 02:16:36 fuzzer started 2023/05/18 02:16:36 dialing manager at localhost:44319 2023/05/18 02:16:36 checking machine... 2023/05/18 02:16:36 checking revisions... [ 156.310794] kmemleak: Automatic memory scanning thread ended 2023/05/18 02:16:36 testing simple program... [ 156.389043] cgroup: Unknown subsys name 'net' [ 156.524852] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 169.988895] audit: type=1400 audit(1684376210.339:6): 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 [ 171.136569] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 171.138028] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 171.140769] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 171.144030] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 171.146028] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 171.147506] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 171.538299] ------------[ cut here ]------------ [ 171.539148] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 171.541087] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 171.542226] Modules linked in: [ 171.542650] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 171.547592] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 171.548777] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 171.549511] 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 [ 171.551658] RSP: 0018:ffff88801e857c00 EFLAGS: 00010282 [ 171.552304] RAX: 0000000000000000 RBX: ffff88800e428440 RCX: 0000000000000000 [ 171.553203] RDX: ffff88800ed61b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 171.554119] RBP: ffff88800e428454 R08: 0000000000000001 R09: 0000000000000000 [ 171.555001] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 171.555904] R13: ffffffff84e23fe0 R14: ffff88800e428448 R15: ffffffff84d74dc0 [ 171.556826] FS: 00005555567e8400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 171.557820] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 171.558566] CR2: 00007ffb46fed0c8 CR3: 000000002026e000 CR4: 0000000000350ee0 [ 171.559465] Call Trace: [ 171.559786] [ 171.560082] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 171.560750] ipv4_frags_init_net+0x269/0x440 [ 171.561304] ops_init+0xbb/0x6b0 [ 171.561781] setup_net+0x3d9/0x990 [ 171.562237] ? down_read_killable+0x1d7/0x4e0 [ 171.562849] ? __pfx_setup_net+0x10/0x10 [ 171.563367] ? copy_net_ns+0x17c/0x770 [ 171.563904] copy_net_ns+0x321/0x770 [ 171.564432] create_new_namespaces+0x3f6/0xb30 [ 171.565026] unshare_nsproxy_namespaces+0xc1/0x200 [ 171.565662] ksys_unshare+0x44d/0x8e0 [ 171.566161] ? __pfx_ksys_unshare+0x10/0x10 [ 171.566733] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 171.567475] __x64_sys_unshare+0x31/0x40 [ 171.567987] do_syscall_64+0x3f/0x90 [ 171.568497] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 171.569140] RIP: 0033:0x7f8ab7c0a0d7 [ 171.569628] 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 [ 171.571775] RSP: 002b:00007fff9a01d5a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 171.572753] RAX: ffffffffffffffda RBX: 00007fff9a01dbe8 RCX: 00007f8ab7c0a0d7 [ 171.573630] RDX: 00007f8ab7c7441f RSI: 00007fff9a01d540 RDI: 0000000040000000 [ 171.574526] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff9a01d350 [ 171.575410] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f8ab7d1cbf0 [ 171.576259] R13: 00007fff9a01d680 R14: 0000000000000000 R15: 00000000000000f8 [ 171.577195] [ 171.577519] irq event stamp: 7871 [ 171.577947] hardirqs last enabled at (7881): [] __up_console_sem+0x78/0x80 [ 171.579001] hardirqs last disabled at (7892): [] __up_console_sem+0x5d/0x80 [ 171.580044] softirqs last enabled at (7430): [] irq_exit_rcu+0x93/0xc0 [ 171.581072] softirqs last disabled at (7393): [] irq_exit_rcu+0x93/0xc0 [ 171.582097] ---[ end trace 0000000000000000 ]--- [ 171.587663] ------------[ cut here ]------------ [ 171.588246] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 171.589936] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 171.590984] Modules linked in: [ 171.591422] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 171.592578] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 171.593575] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 171.594220] 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 [ 171.596403] RSP: 0018:ffff88801e857c00 EFLAGS: 00010282 [ 171.597076] RAX: 0000000000000000 RBX: ffff88800e977040 RCX: 0000000000000000 [ 171.597973] RDX: ffff88800ed61b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 171.598856] RBP: ffff88800e977054 R08: 0000000000000001 R09: 0000000000000000 [ 171.599734] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 171.600620] R13: ffffffff84e23fe0 R14: ffff88800e977048 R15: ffffffff84da7d60 [ 171.601510] FS: 00005555567e8400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 171.602502] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 171.603205] CR2: 00007ffb46fed0c8 CR3: 000000002026e000 CR4: 0000000000350ee0 [ 171.604101] Call Trace: [ 171.604472] [ 171.604776] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 171.605435] ipv6_frags_init_net+0x206/0x3c0 [ 171.606013] ops_init+0xbb/0x6b0 [ 171.606482] setup_net+0x3d9/0x990 [ 171.606937] ? down_read_killable+0x1d7/0x4e0 [ 171.607533] ? __pfx_setup_net+0x10/0x10 [ 171.608047] ? copy_net_ns+0x17c/0x770 [ 171.608604] copy_net_ns+0x321/0x770 [ 171.609085] create_new_namespaces+0x3f6/0xb30 [ 171.609697] unshare_nsproxy_namespaces+0xc1/0x200 [ 171.610312] ksys_unshare+0x44d/0x8e0 [ 171.610833] ? __pfx_ksys_unshare+0x10/0x10 [ 171.611412] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 171.612115] __x64_sys_unshare+0x31/0x40 [ 171.612667] do_syscall_64+0x3f/0x90 [ 171.613140] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 171.613815] RIP: 0033:0x7f8ab7c0a0d7 [ 171.614275] 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 [ 171.616414] RSP: 002b:00007fff9a01d5a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 171.617341] RAX: ffffffffffffffda RBX: 00007fff9a01dbe8 RCX: 00007f8ab7c0a0d7 [ 171.618219] RDX: 00007f8ab7c7441f RSI: 00007fff9a01d540 RDI: 0000000040000000 [ 171.619099] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff9a01d350 [ 171.619988] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f8ab7d1cbf0 [ 171.620890] R13: 00007fff9a01d680 R14: 0000000000000000 R15: 00000000000000f8 [ 171.621793] [ 171.622094] irq event stamp: 9691 [ 171.622542] hardirqs last enabled at (9703): [] __up_console_sem+0x78/0x80 [ 171.623593] hardirqs last disabled at (9714): [] __up_console_sem+0x5d/0x80 [ 171.624654] softirqs last enabled at (9192): [] irq_exit_rcu+0x93/0xc0 [ 171.625683] softirqs last disabled at (9169): [] irq_exit_rcu+0x93/0xc0 [ 171.626694] ---[ end trace 0000000000000000 ]--- [ 171.627986] ------------[ cut here ]------------ [ 171.628613] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 171.630514] WARNING: CPU: 1 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 171.631561] Modules linked in: [ 171.631961] CPU: 1 PID: 260 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 171.633119] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 171.634120] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 171.634793] 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 [ 171.636960] RSP: 0018:ffff88801e857bf0 EFLAGS: 00010286 [ 171.637642] RAX: 0000000000000000 RBX: ffff88800e976640 RCX: 0000000000000000 [ 171.638519] RDX: ffff88800ed61b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 171.639363] RBP: ffff88800e976654 R08: 0000000000000001 R09: 0000000000000000 [ 171.640235] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 171.641146] R13: ffffffff84e23fe0 R14: ffff88800e976648 R15: ffffffff84db0aa0 [ 171.642047] FS: 00005555567e8400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 171.643105] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 171.643866] CR2: 00007ffb46fed0c8 CR3: 000000002026e000 CR4: 0000000000350ee0 [ 171.644834] Call Trace: [ 171.645169] [ 171.645503] nf_ct_net_init+0x224/0x3d0 [ 171.646045] ? __pfx_nf_ct_net_init+0x10/0x10 [ 171.646683] ops_init+0xbb/0x6b0 [ 171.647148] setup_net+0x3d9/0x990 [ 171.647660] ? down_read_killable+0x1d7/0x4e0 [ 171.648256] ? __pfx_setup_net+0x10/0x10 [ 171.648827] ? copy_net_ns+0x17c/0x770 [ 171.649357] copy_net_ns+0x321/0x770 [ 171.649895] create_new_namespaces+0x3f6/0xb30 [ 171.650526] unshare_nsproxy_namespaces+0xc1/0x200 [ 171.651172] ksys_unshare+0x44d/0x8e0 [ 171.651712] ? __pfx_ksys_unshare+0x10/0x10 [ 171.652277] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 171.653062] __x64_sys_unshare+0x31/0x40 [ 171.653635] do_syscall_64+0x3f/0x90 [ 171.654143] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 171.654852] RIP: 0033:0x7f8ab7c0a0d7 [ 171.655335] 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 [ 171.657625] RSP: 002b:00007fff9a01d5a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 171.658627] RAX: ffffffffffffffda RBX: 00007fff9a01dbe8 RCX: 00007f8ab7c0a0d7 [ 171.659563] RDX: 00007f8ab7c7441f RSI: 00007fff9a01d540 RDI: 0000000040000000 [ 171.660504] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff9a01d350 [ 171.661430] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f8ab7d1cbf0 [ 171.662328] R13: 00007fff9a01d680 R14: 0000000000000000 R15: 00000000000000f8 [ 171.663279] [ 171.663620] irq event stamp: 10427 [ 171.664075] hardirqs last enabled at (10437): [] __up_console_sem+0x78/0x80 [ 171.665184] hardirqs last disabled at (10448): [] __up_console_sem+0x5d/0x80 [ 171.666291] softirqs last enabled at (10156): [] irq_exit_rcu+0x93/0xc0 [ 171.667393] softirqs last disabled at (10151): [] irq_exit_rcu+0x93/0xc0 [ 171.668493] ---[ end trace 0000000000000000 ]--- [ 173.156067] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 175.203527] Bluetooth: hci0: command 0x041b tx timeout executing program [ 177.251487] Bluetooth: hci0: command 0x040f tx timeout [ 179.299432] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 02:15:00 Registers: info registers vcpu 0 RAX=0000000000002000 RBX=0000000000000004 RCX=0000000000022000 RDX=ffff88800a0cdc24 RSI=0000000000000000 RDI=ffff88800a0cdc24 RBP=0000000000000000 RSP=ffff88806ce097c8 R8 =1ffff11001419b7f R9 =0000000000000000 R10=000000000000000a R11=0000000000000001 R12=ffff88800a0cdc00 R13=ffff88800a0cd1c0 R14=ffffffff8560b4c0 R15=0000000000000000 RIP=ffffffff812cfea1 RFL=00000006 [-----P-] 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 00007ffb47b9f900 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=00007ffb470a2d00 CR3=0000000016200000 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=ffffffffffffffffffffffffffffffff XMM01=30306234386136303638616663356134 XMM02=38303062343861363036386166633561 XMM03=2f6c616e72756f6a2f676f6c2f6e7572 XMM04=117864066a3bf7200000000000118cc8 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=f326bf903f770eb000000000000ae988 XMM07=00000000000000000000000000000000 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=000000000000002d RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801e8575f0 R8 =0000000000000001 R9 =000000000000000a R10=000000000000002d R11=0000000000000001 R12=000000000000002d 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 00005555567e8400 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=00007ffb46fed0c8 CR3=000000002026e000 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