syzkaller login: [ 32.356526] sshd (211) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:40592' (ECDSA) to the list of known hosts. 2023/05/18 07:09:10 fuzzer started 2023/05/18 07:09:10 dialing manager at localhost:44319 2023/05/18 07:09:10 checking machine... 2023/05/18 07:09:10 checking revisions... [ 36.622097] kmemleak: Automatic memory scanning thread ended 2023/05/18 07:09:10 testing simple program... [ 36.688395] cgroup: Unknown subsys name 'net' [ 36.767823] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 49.668248] audit: type=1400 audit(1684393763.630:6): avc: denied { execmem } for pid=257 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 50.756873] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.767573] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.769249] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.771505] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.773091] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.774317] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.162098] ------------[ cut here ]------------ [ 51.163003] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.164925] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.166286] Modules linked in: [ 51.166823] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.169018] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.171236] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.172609] 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 [ 51.175353] RSP: 0018:ffff88801f287c00 EFLAGS: 00010282 [ 51.176243] RAX: 0000000000000000 RBX: ffff8880160aac40 RCX: 0000000000000000 [ 51.177373] RDX: ffff888019e651c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.178500] RBP: ffff8880160aac54 R08: 0000000000000001 R09: 0000000000000000 [ 51.179610] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.180726] R13: ffffffff84e23fe0 R14: ffff8880160aac48 R15: ffffffff84d74dc0 [ 51.181846] FS: 0000555557163400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.183099] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.184020] CR2: 00007f24725786f4 CR3: 0000000019ad2000 CR4: 0000000000350ef0 [ 51.185150] Call Trace: [ 51.185565] [ 51.185966] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.186730] ipv4_frags_init_net+0x269/0x440 [ 51.187463] ops_init+0xbb/0x6b0 [ 51.188059] setup_net+0x3d9/0x990 [ 51.188622] ? down_read_killable+0x1d7/0x4e0 [ 51.189366] ? __pfx_setup_net+0x10/0x10 [ 51.190032] ? copy_net_ns+0x17c/0x770 [ 51.190691] copy_net_ns+0x321/0x770 [ 51.191321] create_new_namespaces+0x3f6/0xb30 [ 51.192095] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.192863] ksys_unshare+0x44d/0x8e0 [ 51.193507] ? __pfx_ksys_unshare+0x10/0x10 [ 51.194243] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.195180] __x64_sys_unshare+0x31/0x40 [ 51.195819] do_syscall_64+0x3f/0x90 [ 51.196454] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.197308] RIP: 0033:0x7f433c1bf0d7 [ 51.197889] 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 [ 51.200035] RSP: 002b:00007ffd2bd93988 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.200900] RAX: ffffffffffffffda RBX: 00007ffd2bd93fc8 RCX: 00007f433c1bf0d7 [ 51.201745] RDX: 00007f433c22941f RSI: 00007ffd2bd93920 RDI: 0000000040000000 [ 51.202600] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd2bd93730 [ 51.203440] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f433c2d1bf0 [ 51.204341] R13: 00007ffd2bd93a60 R14: 0000000000000000 R15: 00000000000000f8 [ 51.205258] [ 51.205561] irq event stamp: 8259 [ 51.206026] hardirqs last enabled at (8271): [] __up_console_sem+0x78/0x80 [ 51.207107] hardirqs last disabled at (8282): [] __up_console_sem+0x5d/0x80 [ 51.208182] softirqs last enabled at (7586): [] irq_exit_rcu+0x93/0xc0 [ 51.209229] softirqs last disabled at (7581): [] irq_exit_rcu+0x93/0xc0 [ 51.210287] ---[ end trace 0000000000000000 ]--- [ 51.216348] ------------[ cut here ]------------ [ 51.216981] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.218628] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.219710] Modules linked in: [ 51.220152] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.221305] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.222357] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.223029] 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 [ 51.225249] RSP: 0018:ffff88801f287c00 EFLAGS: 00010282 [ 51.225905] RAX: 0000000000000000 RBX: ffff8880069dd440 RCX: 0000000000000000 [ 51.226811] RDX: ffff888019e651c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.227714] RBP: ffff8880069dd454 R08: 0000000000000001 R09: 0000000000000000 [ 51.228622] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.229532] R13: ffffffff84e23fe0 R14: ffff8880069dd448 R15: ffffffff84da7d60 [ 51.230452] FS: 0000555557163400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.231446] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.232195] CR2: 00007f24725786f4 CR3: 0000000019ad2000 CR4: 0000000000350ef0 [ 51.233107] Call Trace: [ 51.233432] [ 51.233724] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.234391] ipv6_frags_init_net+0x206/0x3c0 [ 51.234997] ops_init+0xbb/0x6b0 [ 51.235447] setup_net+0x3d9/0x990 [ 51.235910] ? down_read_killable+0x1d7/0x4e0 [ 51.236514] ? __pfx_setup_net+0x10/0x10 [ 51.237056] ? copy_net_ns+0x17c/0x770 [ 51.237568] copy_net_ns+0x321/0x770 [ 51.238092] create_new_namespaces+0x3f6/0xb30 [ 51.238690] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.239342] ksys_unshare+0x44d/0x8e0 [ 51.239828] ? __pfx_ksys_unshare+0x10/0x10 [ 51.240401] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.241158] __x64_sys_unshare+0x31/0x40 [ 51.241680] do_syscall_64+0x3f/0x90 [ 51.242193] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.242861] RIP: 0033:0x7f433c1bf0d7 [ 51.243363] 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 [ 51.245546] RSP: 002b:00007ffd2bd93988 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.246519] RAX: ffffffffffffffda RBX: 00007ffd2bd93fc8 RCX: 00007f433c1bf0d7 [ 51.247402] RDX: 00007f433c22941f RSI: 00007ffd2bd93920 RDI: 0000000040000000 [ 51.248314] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd2bd93730 [ 51.249218] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f433c2d1bf0 [ 51.250121] R13: 00007ffd2bd93a60 R14: 0000000000000000 R15: 00000000000000f8 [ 51.251037] [ 51.251339] irq event stamp: 10669 [ 51.251776] hardirqs last enabled at (10679): [] __up_console_sem+0x78/0x80 [ 51.252848] hardirqs last disabled at (10690): [] __up_console_sem+0x5d/0x80 [ 51.253907] softirqs last enabled at (10152): [] irq_exit_rcu+0x93/0xc0 [ 51.254988] softirqs last disabled at (10147): [] irq_exit_rcu+0x93/0xc0 [ 51.256020] ---[ end trace 0000000000000000 ]--- [ 51.257357] ------------[ cut here ]------------ [ 51.258057] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.260006] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.261053] Modules linked in: [ 51.261457] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.262638] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.263641] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.264312] 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 [ 51.266523] RSP: 0018:ffff88801f287bf0 EFLAGS: 00010286 [ 51.267198] RAX: 0000000000000000 RBX: ffff8880069dda40 RCX: 0000000000000000 [ 51.268091] RDX: ffff888019e651c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.268992] RBP: ffff8880069dda54 R08: 0000000000000001 R09: 0000000000000000 [ 51.269854] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.270765] R13: ffffffff84e23fe0 R14: ffff8880069dda48 R15: ffffffff84db0aa0 [ 51.271660] FS: 0000555557163400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 51.272655] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.273381] CR2: 00007f24725786f4 CR3: 0000000019ad2000 CR4: 0000000000350ef0 [ 51.274300] Call Trace: [ 51.274631] [ 51.274961] nf_ct_net_init+0x224/0x3d0 [ 51.275475] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.276077] ops_init+0xbb/0x6b0 [ 51.276534] setup_net+0x3d9/0x990 [ 51.277011] ? down_read_killable+0x1d7/0x4e0 [ 51.277595] ? __pfx_setup_net+0x10/0x10 [ 51.278151] ? copy_net_ns+0x17c/0x770 [ 51.278676] copy_net_ns+0x321/0x770 [ 51.279203] create_new_namespaces+0x3f6/0xb30 [ 51.279806] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.280463] ksys_unshare+0x44d/0x8e0 [ 51.280996] ? __pfx_ksys_unshare+0x10/0x10 [ 51.281543] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.282296] __x64_sys_unshare+0x31/0x40 [ 51.282814] do_syscall_64+0x3f/0x90 [ 51.283325] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.284010] RIP: 0033:0x7f433c1bf0d7 [ 51.284482] 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 [ 51.286694] RSP: 002b:00007ffd2bd93988 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 51.287635] RAX: ffffffffffffffda RBX: 00007ffd2bd93fc8 RCX: 00007f433c1bf0d7 [ 51.288534] RDX: 00007f433c22941f RSI: 00007ffd2bd93920 RDI: 0000000040000000 [ 51.289408] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd2bd93730 [ 51.290328] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f433c2d1bf0 [ 51.291223] R13: 00007ffd2bd93a60 R14: 0000000000000000 R15: 00000000000000f8 [ 51.292154] [ 51.292460] irq event stamp: 11459 [ 51.292900] hardirqs last enabled at (11469): [] __up_console_sem+0x78/0x80 [ 51.293977] hardirqs last disabled at (11482): [] __up_console_sem+0x5d/0x80 [ 51.295066] softirqs last enabled at (11276): [] irq_exit_rcu+0x93/0xc0 [ 51.296122] softirqs last disabled at (11271): [] irq_exit_rcu+0x93/0xc0 [ 51.297154] ---[ end trace 0000000000000000 ]--- executing program [ 52.837598] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 54.885000] Bluetooth: hci0: command 0x041b tx timeout [ 56.933064] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.981031] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 07:09:24 Registers: info registers vcpu 0 RAX=0000000000000050 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801f287618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000050 R11=0000000000000001 R12=0000000000000050 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 0000555557163400 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=00007f24725786f4 CR3=0000000019ad2000 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=0000000000023157 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=00007f2d9f2a0040 CR3=000000000ebfa000 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=75233a7f85ffa4be9c4e31e2f3ff6665 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d35f14e95510c1f6000000000010d008 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=0e231e7cc1bcb1e900000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00200000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000