syzkaller login: [ 66.735439] sshd (225) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:28145' (ECDSA) to the list of known hosts. 2023/05/17 02:23:44 fuzzer started 2023/05/17 02:23:44 dialing manager at localhost:35573 2023/05/17 02:23:44 checking machine... 2023/05/17 02:23:44 checking revisions... [ 67.927459] kmemleak: Automatic memory scanning thread ended 2023/05/17 02:23:45 testing simple program... [ 68.000100] cgroup: Unknown subsys name 'net' [ 68.082008] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 81.026182] audit: type=1400 audit(1684290238.192:6): 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 [ 82.168391] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 82.170617] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 82.171968] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 82.177770] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 82.179625] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 82.180910] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 82.578654] ------------[ cut here ]------------ [ 82.579301] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 82.581854] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 82.583070] Modules linked in: [ 82.583487] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 82.585463] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 82.587574] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 82.588779] 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 [ 82.591804] RSP: 0018:ffff88801e8efc00 EFLAGS: 00010282 [ 82.592623] RAX: 0000000000000000 RBX: ffff88800ee05840 RCX: 0000000000000000 [ 82.593711] RDX: ffff88801d1fd1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 82.594628] RBP: ffff88800ee05854 R08: 0000000000000001 R09: 0000000000000000 [ 82.595488] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 82.596379] R13: ffffffff84e223a0 R14: ffff88800ee05848 R15: ffffffff84d73340 [ 82.597285] FS: 0000555556de7400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 82.598290] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.599035] CR2: 00007f9d9fbde6f4 CR3: 000000002012c000 CR4: 0000000000350ef0 [ 82.599926] Call Trace: [ 82.600252] [ 82.600582] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 82.601225] ipv4_frags_init_net+0x269/0x440 [ 82.601818] ops_init+0xbb/0x6b0 [ 82.602261] setup_net+0x3d9/0x990 [ 82.602748] ? down_read_killable+0x1d7/0x4e0 [ 82.603312] ? __pfx_setup_net+0x10/0x10 [ 82.603852] ? copy_net_ns+0x17c/0x770 [ 82.604364] copy_net_ns+0x321/0x770 [ 82.604886] create_new_namespaces+0x3f6/0xb30 [ 82.605470] unshare_nsproxy_namespaces+0xc1/0x200 [ 82.606115] ksys_unshare+0x44d/0x8e0 [ 82.606633] ? __pfx_ksys_unshare+0x10/0x10 [ 82.607176] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 82.607915] __x64_sys_unshare+0x31/0x40 [ 82.608434] do_syscall_64+0x3f/0x90 [ 82.608942] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 82.609605] RIP: 0033:0x7f0038a7f0d7 [ 82.610068] 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 [ 82.612241] RSP: 002b:00007ffd058879a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 82.613210] RAX: ffffffffffffffda RBX: 00007ffd05887fe8 RCX: 00007f0038a7f0d7 [ 82.614107] RDX: 00007f0038ae941f RSI: 00007ffd05887940 RDI: 0000000040000000 [ 82.615003] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd05887750 [ 82.615900] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0038b91bf0 [ 82.616797] R13: 00007ffd05887a80 R14: 0000000000000000 R15: 00000000000000f8 [ 82.617714] [ 82.618013] irq event stamp: 9491 [ 82.618432] hardirqs last enabled at (9501): [] __up_console_sem+0x78/0x80 [ 82.619493] hardirqs last disabled at (9512): [] __up_console_sem+0x5d/0x80 [ 82.620579] softirqs last enabled at (9022): [] irq_exit_rcu+0x93/0xc0 [ 82.621629] softirqs last disabled at (8973): [] irq_exit_rcu+0x93/0xc0 [ 82.622648] ---[ end trace 0000000000000000 ]--- [ 82.628914] ------------[ cut here ]------------ [ 82.629504] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 82.631279] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 82.632352] Modules linked in: [ 82.632803] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 82.633970] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 82.634996] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 82.635689] 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 [ 82.637922] RSP: 0018:ffff88801e8efc00 EFLAGS: 00010282 [ 82.638619] RAX: 0000000000000000 RBX: ffff88800d713e40 RCX: 0000000000000000 [ 82.639483] RDX: ffff88801d1fd1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 82.640402] RBP: ffff88800d713e54 R08: 0000000000000001 R09: 0000000000000000 [ 82.641335] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 82.642230] R13: ffffffff84e223a0 R14: ffff88800d713e48 R15: ffffffff84da62e0 [ 82.643171] FS: 0000555556de7400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 82.644223] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.645022] CR2: 00007f9d9fbde6f4 CR3: 000000002012c000 CR4: 0000000000350ef0 [ 82.645980] Call Trace: [ 82.646326] [ 82.646677] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 82.647320] ipv6_frags_init_net+0x206/0x3c0 [ 82.647936] ops_init+0xbb/0x6b0 [ 82.648407] setup_net+0x3d9/0x990 [ 82.648933] ? down_read_killable+0x1d7/0x4e0 [ 82.649558] ? __pfx_setup_net+0x10/0x10 [ 82.650088] ? copy_net_ns+0x17c/0x770 [ 82.650651] copy_net_ns+0x321/0x770 [ 82.651158] create_new_namespaces+0x3f6/0xb30 [ 82.651805] unshare_nsproxy_namespaces+0xc1/0x200 [ 82.652448] ksys_unshare+0x44d/0x8e0 [ 82.653011] ? __pfx_ksys_unshare+0x10/0x10 [ 82.653620] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 82.654357] __x64_sys_unshare+0x31/0x40 [ 82.654934] do_syscall_64+0x3f/0x90 [ 82.655433] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 82.656135] RIP: 0033:0x7f0038a7f0d7 [ 82.656649] 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 [ 82.658951] RSP: 002b:00007ffd058879a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 82.659944] RAX: ffffffffffffffda RBX: 00007ffd05887fe8 RCX: 00007f0038a7f0d7 [ 82.660878] RDX: 00007f0038ae941f RSI: 00007ffd05887940 RDI: 0000000040000000 [ 82.661829] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd05887750 [ 82.662759] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0038b91bf0 [ 82.663693] R13: 00007ffd05887a80 R14: 0000000000000000 R15: 00000000000000f8 [ 82.664655] [ 82.664987] irq event stamp: 11501 [ 82.665438] hardirqs last enabled at (11511): [] __up_console_sem+0x78/0x80 [ 82.666558] hardirqs last disabled at (11522): [] __up_console_sem+0x5d/0x80 [ 82.667676] softirqs last enabled at (11184): [] irq_exit_rcu+0x93/0xc0 [ 82.668788] softirqs last disabled at (11171): [] irq_exit_rcu+0x93/0xc0 [ 82.669881] ---[ end trace 0000000000000000 ]--- [ 82.671269] ------------[ cut here ]------------ [ 82.671926] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 82.673895] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 82.674956] Modules linked in: [ 82.675357] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230516 #1 [ 82.676533] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 82.677595] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 82.678249] 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 [ 82.680441] RSP: 0018:ffff88801e8efbf0 EFLAGS: 00010286 [ 82.681156] RAX: 0000000000000000 RBX: ffff88800d6abc40 RCX: 0000000000000000 [ 82.682054] RDX: ffff88801d1fd1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 82.682952] RBP: ffff88800d6abc54 R08: 0000000000000001 R09: 0000000000000000 [ 82.683857] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 82.684752] R13: ffffffff84e223a0 R14: ffff88800d6abc48 R15: ffffffff84daf020 [ 82.685644] FS: 0000555556de7400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 82.686677] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 82.687407] CR2: 00007f9d9fbde6f4 CR3: 000000002012c000 CR4: 0000000000350ef0 [ 82.688346] Call Trace: [ 82.688738] [ 82.689053] nf_ct_net_init+0x224/0x3d0 [ 82.689617] ? __pfx_nf_ct_net_init+0x10/0x10 [ 82.690206] ops_init+0xbb/0x6b0 [ 82.690704] setup_net+0x3d9/0x990 [ 82.691173] ? down_read_killable+0x1d7/0x4e0 [ 82.691811] ? __pfx_setup_net+0x10/0x10 [ 82.692337] ? copy_net_ns+0x17c/0x770 [ 82.692905] copy_net_ns+0x321/0x770 [ 82.693391] create_new_namespaces+0x3f6/0xb30 [ 82.694036] unshare_nsproxy_namespaces+0xc1/0x200 [ 82.694708] ksys_unshare+0x44d/0x8e0 [ 82.695221] ? __pfx_ksys_unshare+0x10/0x10 [ 82.695829] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 82.696600] __x64_sys_unshare+0x31/0x40 [ 82.697147] do_syscall_64+0x3f/0x90 [ 82.697675] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 82.698339] RIP: 0033:0x7f0038a7f0d7 [ 82.698861] 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 [ 82.701151] RSP: 002b:00007ffd058879a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 82.702155] RAX: ffffffffffffffda RBX: 00007ffd05887fe8 RCX: 00007f0038a7f0d7 [ 82.703085] RDX: 00007f0038ae941f RSI: 00007ffd05887940 RDI: 0000000040000000 [ 82.704010] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd05887750 [ 82.704966] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f0038b91bf0 [ 82.705897] R13: 00007ffd05887a80 R14: 0000000000000000 R15: 00000000000000f8 [ 82.706853] [ 82.707165] irq event stamp: 12323 [ 82.707660] hardirqs last enabled at (12335): [] __up_console_sem+0x78/0x80 [ 82.708808] hardirqs last disabled at (12346): [] __up_console_sem+0x5d/0x80 [ 82.709995] softirqs last enabled at (12360): [] irq_exit_rcu+0x93/0xc0 [ 82.711170] softirqs last disabled at (12355): [] irq_exit_rcu+0x93/0xc0 [ 82.712255] ---[ end trace 0000000000000000 ]--- executing program [ 84.246246] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 86.295617] Bluetooth: hci0: command 0x041b tx timeout [ 88.341657] Bluetooth: hci0: command 0x040f tx timeout executing program [ 90.389709] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 02:23:28 Registers: info registers vcpu 0 RAX=0000000000000053 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801e8ef618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000053 R11=0000000000000001 R12=0000000000000053 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 0000555556de7400 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=00007f9d9fbde6f4 CR3=000000002012c000 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=0000000000000000 RBX=ffffea000061d1c8 RCX=ffffffff8197c171 RDX=ffff88800ec551c0 RSI=0000000000000000 RDI=0000000000000005 RBP=ffffea000061d200 RSP=ffff888010057a70 R8 =0000000000000005 R9 =0000000000000000 R10=0000000000000000 R11=0000000000000001 R12=0000000000000000 R13=ffffffff81b39e40 R14=0000000000001000 R15=ffffea000061d208 RIP=ffffffff814bf28c RFL=00000246 [---Z-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 =0000 0000000000000000 00000000 00000000 DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f0e1e15b900 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=00007f0e1d61ac28 CR3=000000000e52c000 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=ca11d0f7ac0e3ca5274b514b0ac0c818 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d35f14e95510c1f600000000000d4bf0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=1638971b08d7a01900000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000