syzkaller login: [ 56.132442] sshd (224) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:32758' (ECDSA) to the list of known hosts. 2023/05/16 23:27:04 fuzzer started 2023/05/16 23:27:04 dialing manager at localhost:35573 2023/05/16 23:27:04 checking machine... 2023/05/16 23:27:04 checking revisions... [ 57.323280] kmemleak: Automatic memory scanning thread ended 2023/05/16 23:27:04 testing simple program... [ 57.397682] cgroup: Unknown subsys name 'net' [ 57.470305] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 69.501225] audit: type=1400 audit(1684279636.928:6): 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 [ 70.659992] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 70.662349] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 70.663924] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 70.667178] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 70.670641] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 70.672111] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 71.089753] ------------[ cut here ]------------ [ 71.090612] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 71.092744] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 71.093954] Modules linked in: [ 71.094581] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 71.099676] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 71.100902] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 71.101823] 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 [ 71.104586] RSP: 0018:ffff888019ef7c00 EFLAGS: 00010282 [ 71.105501] RAX: 0000000000000000 RBX: ffff88800d7fe440 RCX: 0000000000000000 [ 71.106726] RDX: ffff888019e91b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 71.107871] RBP: ffff88800d7fe454 R08: 0000000000000001 R09: 0000000000000000 [ 71.109028] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 71.110200] R13: ffffffff84e223a0 R14: ffff88800d7fe448 R15: ffffffff84d73340 [ 71.111426] FS: 00005555559d5400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 71.112752] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.113725] CR2: 00007ffc31d56000 CR3: 000000000fc4a000 CR4: 0000000000350ee0 [ 71.114942] Call Trace: [ 71.115438] [ 71.115781] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 71.116587] ipv4_frags_init_net+0x269/0x440 [ 71.117319] ops_init+0xbb/0x6b0 [ 71.117945] setup_net+0x3d9/0x990 [ 71.118534] ? down_read_killable+0x1d7/0x4e0 [ 71.119196] ? __pfx_setup_net+0x10/0x10 [ 71.119891] ? copy_net_ns+0x17c/0x770 [ 71.120506] copy_net_ns+0x321/0x770 [ 71.121058] create_new_namespaces+0x3f6/0xb30 [ 71.121783] unshare_nsproxy_namespaces+0xc1/0x200 [ 71.122514] ksys_unshare+0x44d/0x8e0 [ 71.123079] ? __pfx_ksys_unshare+0x10/0x10 [ 71.123742] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 71.124633] __x64_sys_unshare+0x31/0x40 [ 71.125264] do_syscall_64+0x3f/0x90 [ 71.125870] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 71.126680] RIP: 0033:0x7f72fe1810d7 [ 71.127229] 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 [ 71.129811] RSP: 002b:00007fff852a6d18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 71.130943] RAX: ffffffffffffffda RBX: 00007fff852a7358 RCX: 00007f72fe1810d7 [ 71.131999] RDX: 00007f72fe1eb41f RSI: 00007fff852a6cb0 RDI: 0000000040000000 [ 71.133056] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff852a6ac0 [ 71.134128] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f72fe293bf0 [ 71.135180] R13: 00007fff852a6df0 R14: 0000000000000000 R15: 00000000000000f8 [ 71.136259] [ 71.136656] irq event stamp: 8041 [ 71.137164] hardirqs last enabled at (8051): [] __up_console_sem+0x78/0x80 [ 71.138452] hardirqs last disabled at (8070): [] __up_console_sem+0x5d/0x80 [ 71.139747] softirqs last enabled at (8084): [] irq_exit_rcu+0x93/0xc0 [ 71.140970] softirqs last disabled at (8079): [] irq_exit_rcu+0x93/0xc0 [ 71.142210] ---[ end trace 0000000000000000 ]--- [ 71.148487] ------------[ cut here ]------------ [ 71.149203] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 71.151076] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 71.152278] Modules linked in: [ 71.152783] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 71.154106] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 71.155255] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 71.156027] 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 [ 71.158569] RSP: 0018:ffff888019ef7c00 EFLAGS: 00010282 [ 71.159346] RAX: 0000000000000000 RBX: ffff88800f206440 RCX: 0000000000000000 [ 71.160422] RDX: ffff888019e91b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 71.161499] RBP: ffff88800f206454 R08: 0000000000000001 R09: 0000000000000000 [ 71.162571] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 71.163621] R13: ffffffff84e223a0 R14: ffff88800f206448 R15: ffffffff84da62e0 [ 71.164685] FS: 00005555559d5400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 71.165883] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.166778] CR2: 00007ffc31d56000 CR3: 000000000fc4a000 CR4: 0000000000350ee0 [ 71.167839] Call Trace: [ 71.168228] [ 71.168628] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 71.169366] ipv6_frags_init_net+0x206/0x3c0 [ 71.170075] ops_init+0xbb/0x6b0 [ 71.170644] setup_net+0x3d9/0x990 [ 71.171188] ? down_read_killable+0x1d7/0x4e0 [ 71.171902] ? __pfx_setup_net+0x10/0x10 [ 71.172538] ? copy_net_ns+0x17c/0x770 [ 71.173132] copy_net_ns+0x321/0x770 [ 71.173752] create_new_namespaces+0x3f6/0xb30 [ 71.174492] unshare_nsproxy_namespaces+0xc1/0x200 [ 71.175224] ksys_unshare+0x44d/0x8e0 [ 71.175855] ? __pfx_ksys_unshare+0x10/0x10 [ 71.176541] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 71.177449] __x64_sys_unshare+0x31/0x40 [ 71.178062] do_syscall_64+0x3f/0x90 [ 71.178668] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 71.179465] RIP: 0033:0x7f72fe1810d7 [ 71.180016] 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 [ 71.182613] RSP: 002b:00007fff852a6d18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 71.183740] RAX: ffffffffffffffda RBX: 00007fff852a7358 RCX: 00007f72fe1810d7 [ 71.184797] RDX: 00007f72fe1eb41f RSI: 00007fff852a6cb0 RDI: 0000000040000000 [ 71.185869] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff852a6ac0 [ 71.186941] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f72fe293bf0 [ 71.187991] R13: 00007fff852a6df0 R14: 0000000000000000 R15: 00000000000000f8 [ 71.189068] [ 71.189470] irq event stamp: 9803 [ 71.189971] hardirqs last enabled at (9813): [] __up_console_sem+0x78/0x80 [ 71.191226] hardirqs last disabled at (9824): [] __up_console_sem+0x5d/0x80 [ 71.192488] softirqs last enabled at (9762): [] irq_exit_rcu+0x93/0xc0 [ 71.193734] softirqs last disabled at (9753): [] irq_exit_rcu+0x93/0xc0 [ 71.194940] ---[ end trace 0000000000000000 ]--- [ 71.196544] ------------[ cut here ]------------ [ 71.197244] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 71.199609] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 71.200871] Modules linked in: [ 71.201357] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 71.202743] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 71.203954] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 71.204737] 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 [ 71.207333] RSP: 0018:ffff888019ef7bf0 EFLAGS: 00010286 [ 71.208147] RAX: 0000000000000000 RBX: ffff88800f206c40 RCX: 0000000000000000 [ 71.209215] RDX: ffff888019e91b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 71.210285] RBP: ffff88800f206c54 R08: 0000000000000001 R09: 0000000000000000 [ 71.211355] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 71.212416] R13: ffffffff84e223a0 R14: ffff88800f206c48 R15: ffffffff84daf020 [ 71.213502] FS: 00005555559d5400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 71.214690] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 71.215579] CR2: 00007ffc31d56000 CR3: 000000000fc4a000 CR4: 0000000000350ee0 [ 71.216639] Call Trace: [ 71.217024] [ 71.217424] nf_ct_net_init+0x224/0x3d0 [ 71.218035] ? __pfx_nf_ct_net_init+0x10/0x10 [ 71.218762] ops_init+0xbb/0x6b0 [ 71.219289] setup_net+0x3d9/0x990 [ 71.219855] ? down_read_killable+0x1d7/0x4e0 [ 71.220569] ? __pfx_setup_net+0x10/0x10 [ 71.221172] ? copy_net_ns+0x17c/0x770 [ 71.221847] copy_net_ns+0x321/0x770 [ 71.222459] create_new_namespaces+0x3f6/0xb30 [ 71.223150] unshare_nsproxy_namespaces+0xc1/0x200 [ 71.223928] ksys_unshare+0x44d/0x8e0 [ 71.224556] ? __pfx_ksys_unshare+0x10/0x10 [ 71.225212] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 71.226103] __x64_sys_unshare+0x31/0x40 [ 71.226762] do_syscall_64+0x3f/0x90 [ 71.227336] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 71.228122] RIP: 0033:0x7f72fe1810d7 [ 71.228711] 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 [ 71.231296] RSP: 002b:00007fff852a6d18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 71.232433] RAX: ffffffffffffffda RBX: 00007fff852a7358 RCX: 00007f72fe1810d7 [ 71.233501] RDX: 00007f72fe1eb41f RSI: 00007fff852a6cb0 RDI: 0000000040000000 [ 71.234580] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff852a6ac0 [ 71.235636] R10: 0000000000000000 R11: 0000000000000206 R12: 00007f72fe293bf0 [ 71.236684] R13: 00007fff852a6df0 R14: 0000000000000000 R15: 00000000000000f8 [ 71.237767] [ 71.238127] irq event stamp: 10583 [ 71.238685] hardirqs last enabled at (10595): [] __up_console_sem+0x78/0x80 [ 71.239953] hardirqs last disabled at (10606): [] __up_console_sem+0x5d/0x80 [ 71.241248] softirqs last enabled at (10532): [] irq_exit_rcu+0x93/0xc0 [ 71.242484] softirqs last disabled at (10523): [] irq_exit_rcu+0x93/0xc0 [ 71.243724] ---[ end trace 0000000000000000 ]--- executing program [ 72.739046] Bluetooth: hci0: command 0x0409 tx timeout [ 74.786481] Bluetooth: hci0: command 0x041b tx timeout executing program [ 76.834451] Bluetooth: hci0: command 0x040f tx timeout executing program [ 78.882449] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 23:26:58 Registers: info registers vcpu 0 RAX=0000000000000050 RBX=ffff88800be70000 RCX=0000000000000000 RDX=00000000000101f7 RSI=ffffffff8219623b RDI=0000000000000007 RBP=00000000000003e7 RSP=ffff88800f60f7d8 R8 =0000000000000007 R9 =0000000000010000 R10=00000000000101f7 R11=0000000000000001 R12=00000000000101f7 R13=ffffed10017ce001 R14=ffffffff85a1d600 R15=dffffc0000000000 RIP=ffffffff8219623f RFL=00000093 [--S-A-C] 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=00007ff6d1886a80 CR3=0000000005482000 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=06ffb3c59ce3edad6747142774f78a93 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=27c6997b15df37d0000000000013bc70 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=7bd5f10b7b3c81e500000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000200000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000069 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888019ef75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000069 R11=0000000000000001 R12=0000000000000069 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 00005555559d5400 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=00007ffc31d56000 CR3=000000000fc4a000 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