syzkaller login: [ 36.785065] sshd (226) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:6887' (ECDSA) to the list of known hosts. 2023/05/18 01:53:42 fuzzer started 2023/05/18 01:53:43 dialing manager at localhost:44319 2023/05/18 01:53:43 checking machine... 2023/05/18 01:53:43 checking revisions... [ 37.862840] kmemleak: Automatic memory scanning thread ended 2023/05/18 01:53:43 testing simple program... [ 37.928078] cgroup: Unknown subsys name 'net' [ 38.007756] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.046398] audit: type=1400 audit(1684374835.372:6): 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 [ 51.175409] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.177409] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.179785] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.182457] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.184093] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.185242] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.578010] ------------[ cut here ]------------ [ 51.579005] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.580869] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.581949] Modules linked in: [ 51.582362] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.585691] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.588083] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.588794] 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 [ 51.591092] RSP: 0018:ffff888016e77c00 EFLAGS: 00010282 [ 51.592022] RAX: 0000000000000000 RBX: ffff88800cb7ec40 RCX: 0000000000000000 [ 51.593110] RDX: ffff88800d148000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.594218] RBP: ffff88800cb7ec54 R08: 0000000000000001 R09: 0000000000000000 [ 51.595303] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.596246] R13: ffffffff84e23fe0 R14: ffff88800cb7ec48 R15: ffffffff84d74dc0 [ 51.597206] FS: 0000555556e77400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.598279] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.599062] CR2: 00007ffd567e4239 CR3: 000000000f28e000 CR4: 0000000000350ef0 [ 51.600003] Call Trace: [ 51.600353] [ 51.600699] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.601363] ipv4_frags_init_net+0x269/0x440 [ 51.601979] ops_init+0xbb/0x6b0 [ 51.602459] setup_net+0x3d9/0x990 [ 51.602998] ? down_read_killable+0x1d7/0x4e0 [ 51.603626] ? __pfx_setup_net+0x10/0x10 [ 51.604172] ? copy_net_ns+0x17c/0x770 [ 51.604731] copy_net_ns+0x321/0x770 [ 51.605244] create_new_namespaces+0x3f6/0xb30 [ 51.605897] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.606580] ksys_unshare+0x44d/0x8e0 [ 51.607111] ? __pfx_ksys_unshare+0x10/0x10 [ 51.607736] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.608487] __x64_sys_unshare+0x31/0x40 [ 51.609077] do_syscall_64+0x3f/0x90 [ 51.609605] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.610288] RIP: 0033:0x7f954c6990d7 [ 51.610810] 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 [ 51.613117] RSP: 002b:00007ffde69b5f08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.614113] RAX: ffffffffffffffda RBX: 00007ffde69b6548 RCX: 00007f954c6990d7 [ 51.615068] RDX: 00007f954c70341f RSI: 00007ffde69b5ea0 RDI: 0000000040000000 [ 51.616019] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffde69b5cb0 [ 51.616952] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f954c7abbf0 [ 51.617878] R13: 00007ffde69b5fe0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.618853] [ 51.619174] irq event stamp: 8083 [ 51.619657] hardirqs last enabled at (8095): [] __up_console_sem+0x78/0x80 [ 51.620774] hardirqs last disabled at (8106): [] __up_console_sem+0x5d/0x80 [ 51.621907] softirqs last enabled at (8068): [] irq_exit_rcu+0x93/0xc0 [ 51.623034] softirqs last disabled at (8063): [] irq_exit_rcu+0x93/0xc0 [ 51.624130] ---[ end trace 0000000000000000 ]--- [ 51.630147] ------------[ cut here ]------------ [ 51.630895] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.632688] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.633748] Modules linked in: [ 51.634158] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.635327] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.636349] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.637033] 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 [ 51.639246] RSP: 0018:ffff888016e77c00 EFLAGS: 00010282 [ 51.639975] RAX: 0000000000000000 RBX: ffff88800c80ae40 RCX: 0000000000000000 [ 51.640913] RDX: ffff88800d148000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.641843] RBP: ffff88800c80ae54 R08: 0000000000000001 R09: 0000000000000000 [ 51.642808] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.643755] R13: ffffffff84e23fe0 R14: ffff88800c80ae48 R15: ffffffff84da7d60 [ 51.644680] FS: 0000555556e77400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.645734] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.646490] CR2: 00007ffd567e4239 CR3: 000000000f28e000 CR4: 0000000000350ef0 [ 51.647436] Call Trace: [ 51.647811] [ 51.648121] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.648800] ipv6_frags_init_net+0x206/0x3c0 [ 51.649394] ops_init+0xbb/0x6b0 [ 51.649898] setup_net+0x3d9/0x990 [ 51.650381] ? down_read_killable+0x1d7/0x4e0 [ 51.651017] ? __pfx_setup_net+0x10/0x10 [ 51.651588] ? copy_net_ns+0x17c/0x770 [ 51.652133] copy_net_ns+0x321/0x770 [ 51.652671] create_new_namespaces+0x3f6/0xb30 [ 51.653297] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.653985] ksys_unshare+0x44d/0x8e0 [ 51.654534] ? __pfx_ksys_unshare+0x10/0x10 [ 51.655130] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.655923] __x64_sys_unshare+0x31/0x40 [ 51.656479] do_syscall_64+0x3f/0x90 [ 51.657013] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.657723] RIP: 0033:0x7f954c6990d7 [ 51.658213] 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 [ 51.660529] RSP: 002b:00007ffde69b5f08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.661547] RAX: ffffffffffffffda RBX: 00007ffde69b6548 RCX: 00007f954c6990d7 [ 51.662461] RDX: 00007f954c70341f RSI: 00007ffde69b5ea0 RDI: 0000000040000000 [ 51.663420] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffde69b5cb0 [ 51.664402] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f954c7abbf0 [ 51.665351] R13: 00007ffde69b5fe0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.666315] [ 51.666663] irq event stamp: 10353 [ 51.667146] hardirqs last enabled at (10363): [] __up_console_sem+0x78/0x80 [ 51.668271] hardirqs last disabled at (10374): [] __up_console_sem+0x5d/0x80 [ 51.669398] softirqs last enabled at (10312): [] irq_exit_rcu+0x93/0xc0 [ 51.670491] softirqs last disabled at (10307): [] irq_exit_rcu+0x93/0xc0 [ 51.671605] ---[ end trace 0000000000000000 ]--- [ 51.672941] ------------[ cut here ]------------ [ 51.673616] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.675526] WARNING: CPU: 0 PID: 260 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.676586] Modules linked in: [ 51.676988] CPU: 0 PID: 260 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.678151] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.679181] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.679865] 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 [ 51.682042] RSP: 0018:ffff888016e77bf0 EFLAGS: 00010286 [ 51.682744] RAX: 0000000000000000 RBX: ffff88800c80a240 RCX: 0000000000000000 [ 51.683642] RDX: ffff88800d148000 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.684540] RBP: ffff88800c80a254 R08: 0000000000000001 R09: 0000000000000000 [ 51.685404] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.686299] R13: ffffffff84e23fe0 R14: ffff88800c80a248 R15: ffffffff84db0aa0 [ 51.687193] FS: 0000555556e77400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.688198] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.688937] CR2: 00007ffd567e4239 CR3: 000000000f28e000 CR4: 0000000000350ef0 [ 51.689838] Call Trace: [ 51.690163] [ 51.690466] nf_ct_net_init+0x224/0x3d0 [ 51.691046] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.691662] ops_init+0xbb/0x6b0 [ 51.692113] setup_net+0x3d9/0x990 [ 51.692603] ? down_read_killable+0x1d7/0x4e0 [ 51.693185] ? __pfx_setup_net+0x10/0x10 [ 51.693728] ? copy_net_ns+0x17c/0x770 [ 51.694242] copy_net_ns+0x321/0x770 [ 51.694781] create_new_namespaces+0x3f6/0xb30 [ 51.695382] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.696031] ksys_unshare+0x44d/0x8e0 [ 51.696563] ? __pfx_ksys_unshare+0x10/0x10 [ 51.697110] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.697849] __x64_sys_unshare+0x31/0x40 [ 51.698371] do_syscall_64+0x3f/0x90 [ 51.698889] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.699570] RIP: 0033:0x7f954c6990d7 [ 51.700041] 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 [ 51.702289] RSP: 002b:00007ffde69b5f08 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.703273] RAX: ffffffffffffffda RBX: 00007ffde69b6548 RCX: 00007f954c6990d7 [ 51.704179] RDX: 00007f954c70341f RSI: 00007ffde69b5ea0 RDI: 0000000040000000 [ 51.705081] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffde69b5cb0 [ 51.705993] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f954c7abbf0 [ 51.706896] R13: 00007ffde69b5fe0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.707818] [ 51.708122] irq event stamp: 11153 [ 51.708584] hardirqs last enabled at (11165): [] __up_console_sem+0x78/0x80 [ 51.709669] hardirqs last disabled at (11176): [] __up_console_sem+0x5d/0x80 [ 51.710776] softirqs last enabled at (10726): [] irq_exit_rcu+0x93/0xc0 [ 51.711840] softirqs last disabled at (10721): [] irq_exit_rcu+0x93/0xc0 [ 51.712899] ---[ end trace 0000000000000000 ]--- executing program [ 53.200266] Bluetooth: hci0: command 0x0409 tx timeout [ 55.248493] Bluetooth: hci0: command 0x041b tx timeout executing program [ 57.295729] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.344628] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 01:53:55 Registers: info registers vcpu 0 RAX=0000000000000035 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff888016e775f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000035 R11=0000000000000001 R12=0000000000000035 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 0000555556e77400 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=00007ffd567e4239 CR3=000000000f28e000 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=0000000000033613 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=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=00007f5a0da27270 CR3=000000000eb28000 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=69f2819aa41460928543b4b4b30cf8b2 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d35f14e95510c1f60000000000111238 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=ef77f8feb25e391d00000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000