syzkaller login: [ 34.938298] sshd (225) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:18069' (ECDSA) to the list of known hosts. 2023/05/16 20:38:11 fuzzer started 2023/05/16 20:38:11 dialing manager at localhost:35573 2023/05/16 20:38:11 checking machine... 2023/05/16 20:38:11 checking revisions... [ 36.141689] kmemleak: Automatic memory scanning thread ended 2023/05/16 20:38:12 testing simple program... [ 36.208305] cgroup: Unknown subsys name 'net' [ 36.296525] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.601609] audit: type=1400 audit(1684269504.522:6): 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 [ 49.709769] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.711436] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.715723] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.720355] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.723720] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.727014] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.125635] ------------[ cut here ]------------ [ 50.126497] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.128639] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.130020] Modules linked in: [ 50.130527] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.133161] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.135627] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.136642] 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 [ 50.138856] RSP: 0018:ffff88801f7e7c00 EFLAGS: 00010282 [ 50.139549] RAX: 0000000000000000 RBX: ffff88801689e040 RCX: 0000000000000000 [ 50.140449] RDX: ffff88801945d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.141330] RBP: ffff88801689e054 R08: 0000000000000001 R09: 0000000000000000 [ 50.142222] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.143108] R13: ffffffff84e223a0 R14: ffff88801689e048 R15: ffffffff84d73340 [ 50.144007] FS: 0000555556571400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.145002] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.145710] CR2: 00007f1655e786f4 CR3: 000000000f6e0000 CR4: 0000000000350ef0 [ 50.146604] Call Trace: [ 50.146961] [ 50.147261] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.147952] ipv4_frags_init_net+0x269/0x440 [ 50.148485] ops_init+0xbb/0x6b0 [ 50.148965] setup_net+0x3d9/0x990 [ 50.149410] ? down_read_killable+0x1d7/0x4e0 [ 50.150011] ? __pfx_setup_net+0x10/0x10 [ 50.150527] ? copy_net_ns+0x17c/0x770 [ 50.151067] copy_net_ns+0x321/0x770 [ 50.151573] create_new_namespaces+0x3f6/0xb30 [ 50.152191] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.152826] ksys_unshare+0x44d/0x8e0 [ 50.153321] ? __pfx_ksys_unshare+0x10/0x10 [ 50.153897] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.154602] __x64_sys_unshare+0x31/0x40 [ 50.155138] do_syscall_64+0x3f/0x90 [ 50.155623] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.156296] RIP: 0033:0x7f2a57bf20d7 [ 50.156759] 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 [ 50.158949] RSP: 002b:00007ffeb3376568 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.159920] RAX: ffffffffffffffda RBX: 00007ffeb3376ba8 RCX: 00007f2a57bf20d7 [ 50.160813] RDX: 00007f2a57c5c41f RSI: 00007ffeb3376500 RDI: 0000000040000000 [ 50.161664] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeb3376310 [ 50.162547] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f2a57d04bf0 [ 50.163475] R13: 00007ffeb3376640 R14: 0000000000000000 R15: 00000000000000f8 [ 50.164392] [ 50.164698] irq event stamp: 10545 [ 50.165164] hardirqs last enabled at (10557): [] __up_console_sem+0x78/0x80 [ 50.166238] hardirqs last disabled at (10568): [] __up_console_sem+0x5d/0x80 [ 50.167324] softirqs last enabled at (10108): [] irq_exit_rcu+0x93/0xc0 [ 50.168379] softirqs last disabled at (10053): [] irq_exit_rcu+0x93/0xc0 [ 50.169419] ---[ end trace 0000000000000000 ]--- [ 50.175153] ------------[ cut here ]------------ [ 50.175755] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.177426] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.178496] Modules linked in: [ 50.178925] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.180034] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.180979] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.181583] 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 [ 50.183656] RSP: 0018:ffff88801f7e7c00 EFLAGS: 00010282 [ 50.184301] RAX: 0000000000000000 RBX: ffff888008eedc40 RCX: 0000000000000000 [ 50.185140] RDX: ffff88801945d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.185981] RBP: ffff888008eedc54 R08: 0000000000000001 R09: 0000000000000000 [ 50.186829] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.187652] R13: ffffffff84e223a0 R14: ffff888008eedc48 R15: ffffffff84da62e0 [ 50.188493] FS: 0000555556571400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.189440] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.190144] CR2: 00007f1655e786f4 CR3: 000000000f6e0000 CR4: 0000000000350ef0 [ 50.190981] Call Trace: [ 50.191312] [ 50.191595] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.192209] ipv6_frags_init_net+0x206/0x3c0 [ 50.192732] ops_init+0xbb/0x6b0 [ 50.193188] setup_net+0x3d9/0x990 [ 50.193617] ? down_read_killable+0x1d7/0x4e0 [ 50.194182] ? __pfx_setup_net+0x10/0x10 [ 50.194658] ? copy_net_ns+0x17c/0x770 [ 50.195166] copy_net_ns+0x321/0x770 [ 50.195641] create_new_namespaces+0x3f6/0xb30 [ 50.196226] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.196837] ksys_unshare+0x44d/0x8e0 [ 50.197297] ? __pfx_ksys_unshare+0x10/0x10 [ 50.197841] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.198510] __x64_sys_unshare+0x31/0x40 [ 50.199028] do_syscall_64+0x3f/0x90 [ 50.199483] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.200114] RIP: 0033:0x7f2a57bf20d7 [ 50.200549] 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 [ 50.202570] RSP: 002b:00007ffeb3376568 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.203478] RAX: ffffffffffffffda RBX: 00007ffeb3376ba8 RCX: 00007f2a57bf20d7 [ 50.204320] RDX: 00007f2a57c5c41f RSI: 00007ffeb3376500 RDI: 0000000040000000 [ 50.205155] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeb3376310 [ 50.205989] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f2a57d04bf0 [ 50.206821] R13: 00007ffeb3376640 R14: 0000000000000000 R15: 00000000000000f8 [ 50.207761] [ 50.208104] irq event stamp: 12371 [ 50.208551] hardirqs last enabled at (12381): [] __up_console_sem+0x78/0x80 [ 50.209874] hardirqs last disabled at (12392): [] __up_console_sem+0x5d/0x80 [ 50.211274] softirqs last enabled at (11946): [] irq_exit_rcu+0x93/0xc0 [ 50.212605] softirqs last disabled at (11941): [] irq_exit_rcu+0x93/0xc0 [ 50.213937] ---[ end trace 0000000000000000 ]--- [ 50.215590] ------------[ cut here ]------------ [ 50.216346] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.218453] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.219661] Modules linked in: [ 50.220151] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.221453] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.222584] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.223353] 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 [ 50.225799] RSP: 0018:ffff88801f7e7bf0 EFLAGS: 00010286 [ 50.226527] RAX: 0000000000000000 RBX: ffff88800e3ee040 RCX: 0000000000000000 [ 50.227543] RDX: ffff88801945d1c0 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.228536] RBP: ffff88800e3ee054 R08: 0000000000000001 R09: 0000000000000000 [ 50.229532] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.230526] R13: ffffffff84e223a0 R14: ffff88800e3ee048 R15: ffffffff84daf020 [ 50.231628] FS: 0000555556571400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 50.232622] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.233364] CR2: 00007f1655e786f4 CR3: 000000000f6e0000 CR4: 0000000000350ef0 [ 50.234252] Call Trace: [ 50.234585] [ 50.234911] nf_ct_net_init+0x224/0x3d0 [ 50.235459] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.236056] ops_init+0xbb/0x6b0 [ 50.236499] setup_net+0x3d9/0x990 [ 50.236975] ? down_read_killable+0x1d7/0x4e0 [ 50.237542] ? __pfx_setup_net+0x10/0x10 [ 50.238068] ? copy_net_ns+0x17c/0x770 [ 50.238568] copy_net_ns+0x321/0x770 [ 50.239067] create_new_namespaces+0x3f6/0xb30 [ 50.239662] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.240302] ksys_unshare+0x44d/0x8e0 [ 50.240814] ? __pfx_ksys_unshare+0x10/0x10 [ 50.241357] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.242086] __x64_sys_unshare+0x31/0x40 [ 50.242601] do_syscall_64+0x3f/0x90 [ 50.243095] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.243761] RIP: 0033:0x7f2a57bf20d7 [ 50.244256] 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 [ 50.246400] RSP: 002b:00007ffeb3376568 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.247356] RAX: ffffffffffffffda RBX: 00007ffeb3376ba8 RCX: 00007f2a57bf20d7 [ 50.248238] RDX: 00007f2a57c5c41f RSI: 00007ffeb3376500 RDI: 0000000040000000 [ 50.249139] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeb3376310 [ 50.250011] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f2a57d04bf0 [ 50.250885] R13: 00007ffeb3376640 R14: 0000000000000000 R15: 00000000000000f8 [ 50.251812] [ 50.252112] irq event stamp: 13249 [ 50.252541] hardirqs last enabled at (13259): [] __up_console_sem+0x78/0x80 [ 50.253610] hardirqs last disabled at (13270): [] __up_console_sem+0x5d/0x80 [ 50.254681] softirqs last enabled at (13156): [] irq_exit_rcu+0x93/0xc0 [ 50.255728] softirqs last disabled at (13151): [] irq_exit_rcu+0x93/0xc0 [ 50.256795] ---[ end trace 0000000000000000 ]--- executing program [ 51.794217] Bluetooth: hci0: command 0x0409 tx timeout [ 53.841608] Bluetooth: hci0: command 0x041b tx timeout executing program [ 55.888862] Bluetooth: hci0: command 0x040f tx timeout executing program [ 57.937722] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 20:38:26 Registers: info registers vcpu 0 RAX=0000000000000030 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801f7e7618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000030 R11=0000000000000001 R12=0000000000000030 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 0000555556571400 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=00007f1655e786f4 CR3=000000000f6e0000 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=0000000000000001 RBX=0000000000000001 RCX=ffffffff81532d6b RDX=fffffbfff0ba6943 RSI=0000000000000008 RDI=ffffffff85d34a10 RBP=ffffffff812344e3 RSP=ffff888015a679b8 R8 =0000000000000000 R9 =fffffbfff0ba6942 R10=ffffffff85d34a17 R11=0000000000000001 R12=ffff88806cf396d8 R13=ffff88801696b680 R14=ffff888008d95668 R15=ffff88806cf396c0 RIP=ffffffff81532d73 RFL=00000047 [---Z-PC] 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 00007fdace72e900 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=00007fdacdc55000 CR3=000000000e64c000 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=dab43e64fe4596ba1c40914e7e115e45 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d35f14e95510c1f60000000000111548 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=6e47c1f22bce550800000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000020000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000