syzkaller login: [ 42.873715] sshd (223) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:7522' (ECDSA) to the list of known hosts. 2023/05/17 20:27:16 fuzzer started 2023/05/17 20:27:17 dialing manager at localhost:44319 2023/05/17 20:27:17 checking machine... 2023/05/17 20:27:17 checking revisions... [ 45.084175] kmemleak: Automatic memory scanning thread ended 2023/05/17 20:27:17 testing simple program... [ 45.154300] cgroup: Unknown subsys name 'net' [ 45.244553] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 58.280733] audit: type=1400 audit(1684355250.414:6): avc: denied { execmem } for pid=264 comm="syz-executor.0" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 59.366649] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 59.369047] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 59.370641] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 59.373362] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 59.375234] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 59.376479] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 59.766494] ------------[ cut here ]------------ [ 59.767208] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 59.769089] WARNING: CPU: 1 PID: 265 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.770294] Modules linked in: [ 59.770716] CPU: 1 PID: 265 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.776108] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.777248] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.778058] 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 [ 59.780396] RSP: 0018:ffff88800fd9fc00 EFLAGS: 00010282 [ 59.781188] RAX: 0000000000000000 RBX: ffff8880161cf440 RCX: 0000000000000000 [ 59.782184] RDX: ffff88800c4b51c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.783214] RBP: ffff8880161cf454 R08: 0000000000000001 R09: 0000000000000000 [ 59.784153] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 59.785056] R13: ffffffff84e23fe0 R14: ffff8880161cf448 R15: ffffffff84d74dc0 [ 59.785958] FS: 0000555555c2c400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.786993] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.787728] CR2: 00007f565846e6f4 CR3: 000000000fbe2000 CR4: 0000000000350ee0 [ 59.788650] Call Trace: [ 59.789022] [ 59.789320] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 59.789964] ipv4_frags_init_net+0x269/0x440 [ 59.790519] ops_init+0xbb/0x6b0 [ 59.791011] setup_net+0x3d9/0x990 [ 59.791472] ? down_read_killable+0x1d7/0x4e0 [ 59.792086] ? __pfx_setup_net+0x10/0x10 [ 59.792597] ? copy_net_ns+0x17c/0x770 [ 59.793144] copy_net_ns+0x321/0x770 [ 59.793644] create_new_namespaces+0x3f6/0xb30 [ 59.794288] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.794996] ksys_unshare+0x44d/0x8e0 [ 59.795506] ? __pfx_ksys_unshare+0x10/0x10 [ 59.796109] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.796893] __x64_sys_unshare+0x31/0x40 [ 59.797430] do_syscall_64+0x3f/0x90 [ 59.797958] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.798627] RIP: 0033:0x7faf695530d7 [ 59.799153] 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 [ 59.801424] RSP: 002b:00007ffd08f8fbe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.802417] RAX: ffffffffffffffda RBX: 00007ffd08f90228 RCX: 00007faf695530d7 [ 59.803346] RDX: 00007faf695bd41f RSI: 00007ffd08f8fb80 RDI: 0000000040000000 [ 59.804291] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd08f8f990 [ 59.805213] R10: 0000000000000000 R11: 0000000000000206 R12: 00007faf69665bf0 [ 59.806154] R13: 00007ffd08f8fcc0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.807126] [ 59.807445] irq event stamp: 9523 [ 59.807922] hardirqs last enabled at (9535): [] __up_console_sem+0x78/0x80 [ 59.809035] hardirqs last disabled at (9546): [] __up_console_sem+0x5d/0x80 [ 59.810153] softirqs last enabled at (9148): [] irq_exit_rcu+0x93/0xc0 [ 59.811260] softirqs last disabled at (9137): [] irq_exit_rcu+0x93/0xc0 [ 59.812338] ---[ end trace 0000000000000000 ]--- [ 59.819145] ------------[ cut here ]------------ [ 59.819756] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 59.821482] WARNING: CPU: 1 PID: 265 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.822569] Modules linked in: [ 59.823024] CPU: 1 PID: 265 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.824195] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.825222] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.825916] 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 [ 59.828138] RSP: 0018:ffff88800fd9fc00 EFLAGS: 00010282 [ 59.828792] RAX: 0000000000000000 RBX: ffff88800d81cc40 RCX: 0000000000000000 [ 59.829688] RDX: ffff88800c4b51c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.830594] RBP: ffff88800d81cc54 R08: 0000000000000001 R09: 0000000000000000 [ 59.831513] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.832440] R13: ffffffff84e23fe0 R14: ffff88800d81cc48 R15: ffffffff84da7d60 [ 59.833337] FS: 0000555555c2c400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.834360] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.835135] CR2: 00007f565846e6f4 CR3: 000000000fbe2000 CR4: 0000000000350ee0 [ 59.836051] Call Trace: [ 59.836387] [ 59.836694] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 59.837365] ipv6_frags_init_net+0x206/0x3c0 [ 59.837968] ops_init+0xbb/0x6b0 [ 59.838422] setup_net+0x3d9/0x990 [ 59.838931] ? down_read_killable+0x1d7/0x4e0 [ 59.839531] ? __pfx_setup_net+0x10/0x10 [ 59.840088] ? copy_net_ns+0x17c/0x770 [ 59.840603] copy_net_ns+0x321/0x770 [ 59.841129] create_new_namespaces+0x3f6/0xb30 [ 59.841726] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.842379] ksys_unshare+0x44d/0x8e0 [ 59.842917] ? __pfx_ksys_unshare+0x10/0x10 [ 59.843491] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.844263] __x64_sys_unshare+0x31/0x40 [ 59.844788] do_syscall_64+0x3f/0x90 [ 59.845309] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.845994] RIP: 0033:0x7faf695530d7 [ 59.846471] 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 [ 59.848710] RSP: 002b:00007ffd08f8fbe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.849670] RAX: ffffffffffffffda RBX: 00007ffd08f90228 RCX: 00007faf695530d7 [ 59.850577] RDX: 00007faf695bd41f RSI: 00007ffd08f8fb80 RDI: 0000000040000000 [ 59.851490] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd08f8f990 [ 59.852416] R10: 0000000000000000 R11: 0000000000000206 R12: 00007faf69665bf0 [ 59.853339] R13: 00007ffd08f8fcc0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.854286] [ 59.854593] irq event stamp: 12021 [ 59.855080] hardirqs last enabled at (12033): [] __up_console_sem+0x78/0x80 [ 59.856191] hardirqs last disabled at (12044): [] __up_console_sem+0x5d/0x80 [ 59.857320] softirqs last enabled at (11646): [] irq_exit_rcu+0x93/0xc0 [ 59.858427] softirqs last disabled at (11637): [] irq_exit_rcu+0x93/0xc0 [ 59.859533] ---[ end trace 0000000000000000 ]--- [ 59.860935] ------------[ cut here ]------------ [ 59.861540] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 59.863708] WARNING: CPU: 1 PID: 265 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 59.864861] Modules linked in: [ 59.865290] CPU: 1 PID: 265 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 59.866512] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 59.867590] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 59.868310] 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 [ 59.870608] RSP: 0018:ffff88800fd9fbf0 EFLAGS: 00010286 [ 59.871358] RAX: 0000000000000000 RBX: ffff88800d81c440 RCX: 0000000000000000 [ 59.872302] RDX: ffff88800c4b51c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 59.873254] RBP: ffff88800d81c454 R08: 0000000000000001 R09: 0000000000000000 [ 59.874205] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 59.875158] R13: ffffffff84e23fe0 R14: ffff88800d81c448 R15: ffffffff84db0aa0 [ 59.876096] FS: 0000555555c2c400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 59.877162] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 59.877946] CR2: 00007f565846e6f4 CR3: 000000000fbe2000 CR4: 0000000000350ee0 [ 59.878890] Call Trace: [ 59.879245] [ 59.879555] nf_ct_net_init+0x224/0x3d0 [ 59.880135] ? __pfx_nf_ct_net_init+0x10/0x10 [ 59.880739] ops_init+0xbb/0x6b0 [ 59.881241] setup_net+0x3d9/0x990 [ 59.881717] ? down_read_killable+0x1d7/0x4e0 [ 59.882343] ? __pfx_setup_net+0x10/0x10 [ 59.882923] ? copy_net_ns+0x17c/0x770 [ 59.883482] copy_net_ns+0x321/0x770 [ 59.884023] create_new_namespaces+0x3f6/0xb30 [ 59.884636] unshare_nsproxy_namespaces+0xc1/0x200 [ 59.885320] ksys_unshare+0x44d/0x8e0 [ 59.885866] ? __pfx_ksys_unshare+0x10/0x10 [ 59.886435] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 59.887231] __x64_sys_unshare+0x31/0x40 [ 59.887772] do_syscall_64+0x3f/0x90 [ 59.888304] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 59.889015] RIP: 0033:0x7faf695530d7 [ 59.889501] 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 [ 59.891825] RSP: 002b:00007ffd08f8fbe8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 59.892781] RAX: ffffffffffffffda RBX: 00007ffd08f90228 RCX: 00007faf695530d7 [ 59.893718] RDX: 00007faf695bd41f RSI: 00007ffd08f8fb80 RDI: 0000000040000000 [ 59.894662] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd08f8f990 [ 59.895618] R10: 0000000000000000 R11: 0000000000000206 R12: 00007faf69665bf0 [ 59.896565] R13: 00007ffd08f8fcc0 R14: 0000000000000000 R15: 00000000000000f8 [ 59.897527] [ 59.897886] irq event stamp: 12913 [ 59.898342] hardirqs last enabled at (12923): [] __up_console_sem+0x78/0x80 [ 59.899469] hardirqs last disabled at (12934): [] __up_console_sem+0x5d/0x80 [ 59.900579] softirqs last enabled at (12684): [] irq_exit_rcu+0x93/0xc0 [ 59.901668] softirqs last disabled at (12679): [] irq_exit_rcu+0x93/0xc0 [ 59.902760] ---[ end trace 0000000000000000 ]--- executing program [ 61.447504] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 63.494865] Bluetooth: hci0: command 0x041b tx timeout [ 65.542878] Bluetooth: hci0: command 0x040f tx timeout executing program [ 67.591885] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 20:27:31 Registers: info registers vcpu 0 RAX=0000000000022d9d RBX=0000000000000000 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffffffff0a80fc7 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 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=00007f17801e8bd0 CR3=000000000ef4e000 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=8f8cd3b5a727a4a6384a5147c9c2e090 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=2af34f85d725c188000000000013c7c0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=b1b2ded02bf905d600000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00200000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88800fd9f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 0000555555c2c400 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=00007f565846e6f4 CR3=000000000fbe2000 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