syzkaller login: [ 128.038579] sshd (224) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:19930' (ECDSA) to the list of known hosts. 2023/05/17 16:03:09 fuzzer started 2023/05/17 16:03:10 dialing manager at localhost:44319 2023/05/17 16:03:10 checking machine... 2023/05/17 16:03:10 checking revisions... [ 129.201560] kmemleak: Automatic memory scanning thread ended 2023/05/17 16:03:10 testing simple program... [ 129.269922] cgroup: Unknown subsys name 'net' [ 129.347491] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 141.723196] audit: type=1400 audit(1684339402.922:6): 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 [ 142.865098] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 142.866798] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 142.868502] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 142.871379] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 142.872935] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 142.874424] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 143.189265] ------------[ cut here ]------------ [ 143.190116] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 143.191346] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 143.192171] Modules linked in: [ 143.192491] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 143.193379] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 143.197369] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 143.197900] 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 [ 143.199593] RSP: 0018:ffff8880180d7c00 EFLAGS: 00010282 [ 143.200132] RAX: 0000000000000000 RBX: ffff88800c96dc40 RCX: 0000000000000000 [ 143.200835] RDX: ffff888016e59b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 143.201492] RBP: ffff88800c96dc54 R08: 0000000000000001 R09: 0000000000000000 [ 143.202017] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 143.202490] R13: ffffffff84e23fe0 R14: ffff88800c96dc48 R15: ffffffff84d74dc0 [ 143.203036] FS: 00005555563d4400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 143.203619] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 143.204065] CR2: 00007ffff3d9a020 CR3: 0000000016d56000 CR4: 0000000000350ee0 [ 143.204589] Call Trace: [ 143.204805] [ 143.204981] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 143.205352] ipv4_frags_init_net+0x269/0x440 [ 143.205701] ops_init+0xbb/0x6b0 [ 143.205965] setup_net+0x3d9/0x990 [ 143.206242] ? down_read_killable+0x1d7/0x4e0 [ 143.206588] ? __pfx_setup_net+0x10/0x10 [ 143.206911] ? copy_net_ns+0x17c/0x770 [ 143.207215] copy_net_ns+0x321/0x770 [ 143.207504] create_new_namespaces+0x3f6/0xb30 [ 143.207876] unshare_nsproxy_namespaces+0xc1/0x200 [ 143.208243] ksys_unshare+0x44d/0x8e0 [ 143.208531] ? __pfx_ksys_unshare+0x10/0x10 [ 143.208879] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 143.209316] __x64_sys_unshare+0x31/0x40 [ 143.209629] do_syscall_64+0x3f/0x90 [ 143.209930] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 143.210318] RIP: 0033:0x7f481dc290d7 [ 143.210592] 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 [ 143.211928] RSP: 002b:00007ffd651ea128 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 143.212495] RAX: ffffffffffffffda RBX: 00007ffd651ea768 RCX: 00007f481dc290d7 [ 143.213041] RDX: 00007f481dc9341f RSI: 00007ffd651ea0c0 RDI: 0000000040000000 [ 143.213570] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd651e9ed0 [ 143.214112] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f481dd3bbf0 [ 143.214693] R13: 00007ffd651ea200 R14: 0000000000000000 R15: 00000000000000f8 [ 143.215194] [ 143.215367] irq event stamp: 7535 [ 143.215634] hardirqs last enabled at (7545): [] __up_console_sem+0x78/0x80 [ 143.216271] hardirqs last disabled at (7556): [] __up_console_sem+0x5d/0x80 [ 143.216866] softirqs last enabled at (7038): [] irq_exit_rcu+0x93/0xc0 [ 143.217413] softirqs last disabled at (6879): [] irq_exit_rcu+0x93/0xc0 [ 143.217971] ---[ end trace 0000000000000000 ]--- [ 143.221415] ------------[ cut here ]------------ [ 143.221803] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 143.222707] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 143.223312] Modules linked in: [ 143.223554] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 143.224253] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 143.224885] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 143.225267] 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 [ 143.226592] RSP: 0018:ffff8880180d7c00 EFLAGS: 00010282 [ 143.227004] RAX: 0000000000000000 RBX: ffff88800eb27e40 RCX: 0000000000000000 [ 143.227540] RDX: ffff888016e59b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 143.228073] RBP: ffff88800eb27e54 R08: 0000000000000001 R09: 0000000000000000 [ 143.228592] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 143.229142] R13: ffffffff84e23fe0 R14: ffff88800eb27e48 R15: ffffffff84da7d60 [ 143.229702] FS: 00005555563d4400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 143.230290] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 143.230736] CR2: 00007ffff3d9a020 CR3: 0000000016d56000 CR4: 0000000000350ee0 [ 143.231262] Call Trace: [ 143.231458] [ 143.231658] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 143.232035] ipv6_frags_init_net+0x206/0x3c0 [ 143.232376] ops_init+0xbb/0x6b0 [ 143.232670] setup_net+0x3d9/0x990 [ 143.232954] ? down_read_killable+0x1d7/0x4e0 [ 143.233308] ? __pfx_setup_net+0x10/0x10 [ 143.233611] ? copy_net_ns+0x17c/0x770 [ 143.233940] copy_net_ns+0x321/0x770 [ 143.234221] create_new_namespaces+0x3f6/0xb30 [ 143.234579] unshare_nsproxy_namespaces+0xc1/0x200 [ 143.234968] ksys_unshare+0x44d/0x8e0 [ 143.235269] ? __pfx_ksys_unshare+0x10/0x10 [ 143.235589] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 143.236021] __x64_sys_unshare+0x31/0x40 [ 143.236326] do_syscall_64+0x3f/0x90 [ 143.236610] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 143.237006] RIP: 0033:0x7f481dc290d7 [ 143.237282] 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 [ 143.238589] RSP: 002b:00007ffd651ea128 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 143.239152] RAX: ffffffffffffffda RBX: 00007ffd651ea768 RCX: 00007f481dc290d7 [ 143.239685] RDX: 00007f481dc9341f RSI: 00007ffd651ea0c0 RDI: 0000000040000000 [ 143.240195] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd651e9ed0 [ 143.240723] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f481dd3bbf0 [ 143.241240] R13: 00007ffd651ea200 R14: 0000000000000000 R15: 00000000000000f8 [ 143.241783] [ 143.241961] irq event stamp: 9283 [ 143.242209] hardirqs last enabled at (9293): [] __up_console_sem+0x78/0x80 [ 143.242849] hardirqs last disabled at (9304): [] __up_console_sem+0x5d/0x80 [ 143.243473] softirqs last enabled at (8948): [] irq_exit_rcu+0x93/0xc0 [ 143.244091] softirqs last disabled at (8943): [] irq_exit_rcu+0x93/0xc0 [ 143.244714] ---[ end trace 0000000000000000 ]--- [ 143.245469] ------------[ cut here ]------------ [ 143.245810] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 143.246861] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 143.247424] Modules linked in: [ 143.247668] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W L 6.4.0-rc2-next-20230517 #1 [ 143.248280] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 143.248837] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 143.249193] 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 [ 143.250377] RSP: 0018:ffff8880180d7bf0 EFLAGS: 00010286 [ 143.250759] RAX: 0000000000000000 RBX: ffff88800eb27840 RCX: 0000000000000000 [ 143.251225] RDX: ffff888016e59b40 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 143.251713] RBP: ffff88800eb27854 R08: 0000000000000001 R09: 0000000000000000 [ 143.252179] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 143.252674] R13: ffffffff84e23fe0 R14: ffff88800eb27848 R15: ffffffff84db0aa0 [ 143.253144] FS: 00005555563d4400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 143.253693] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 143.254080] CR2: 00007ffff3d9a020 CR3: 0000000016d56000 CR4: 0000000000350ee0 [ 143.254544] Call Trace: [ 143.254739] [ 143.254903] nf_ct_net_init+0x224/0x3d0 [ 143.255185] ? __pfx_nf_ct_net_init+0x10/0x10 [ 143.255494] ops_init+0xbb/0x6b0 [ 143.255755] setup_net+0x3d9/0x990 [ 143.256006] ? down_read_killable+0x1d7/0x4e0 [ 143.256312] ? __pfx_setup_net+0x10/0x10 [ 143.256588] ? copy_net_ns+0x17c/0x770 [ 143.256898] copy_net_ns+0x321/0x770 [ 143.257166] create_new_namespaces+0x3f6/0xb30 [ 143.257491] unshare_nsproxy_namespaces+0xc1/0x200 [ 143.257857] ksys_unshare+0x44d/0x8e0 [ 143.258132] ? __pfx_ksys_unshare+0x10/0x10 [ 143.258432] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 143.258850] __x64_sys_unshare+0x31/0x40 [ 143.259133] do_syscall_64+0x3f/0x90 [ 143.259411] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 143.259785] RIP: 0033:0x7f481dc290d7 [ 143.260043] 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 [ 143.261251] RSP: 002b:00007ffd651ea128 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 143.261784] RAX: ffffffffffffffda RBX: 00007ffd651ea768 RCX: 00007f481dc290d7 [ 143.262268] RDX: 00007f481dc9341f RSI: 00007ffd651ea0c0 RDI: 0000000040000000 [ 143.262774] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd651e9ed0 [ 143.263250] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f481dd3bbf0 [ 143.263742] R13: 00007ffd651ea200 R14: 0000000000000000 R15: 00000000000000f8 [ 143.264235] [ 143.264399] irq event stamp: 10021 [ 143.264660] hardirqs last enabled at (10033): [] __up_console_sem+0x78/0x80 [ 143.265248] hardirqs last disabled at (10042): [] __up_console_sem+0x5d/0x80 [ 143.265842] softirqs last enabled at (8948): [] irq_exit_rcu+0x93/0xc0 [ 143.266400] softirqs last disabled at (8943): [] irq_exit_rcu+0x93/0xc0 [ 143.266986] ---[ end trace 0000000000000000 ]--- executing program [ 144.947198] Bluetooth: hci0: command 0x0409 tx timeout [ 146.994735] Bluetooth: hci0: command 0x041b tx timeout executing program [ 149.042724] Bluetooth: hci0: command 0x040f tx timeout executing program [ 151.091716] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 16:01:51 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff88806ce39780 RCX=0000000000000000 RDX=1ffff11001f26090 RSI=00000000000001af RDI=ffff88800f930480 RBP=0000000000000001 RSP=ffff888008da7878 R8 =0000000000000000 R9 =ffff88806ce3981c R10=0000000000000000 R11=0000000000000000 R12=0000000000000000 R13=ffffffff85d36b70 R14=ffff88800f9304c0 R15=ffff88800f930400 RIP=ffffffff8125715e RFL=00000046 [---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 =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 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=00007fcdf6110588 CR3=0000000015b92000 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=ec7498b498e1f4891242d4801dad87cc XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d35f14e95510c1f600000000000cb550 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=cf69f02d3345af5200000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000048 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880180d7618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000048 R11=0000000000000001 R12=0000000000000048 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 00005555563d4400 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=00007ffff3d9a020 CR3=0000000016d56000 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