syzkaller login: [ 31.525920] sshd (211) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:28137' (ECDSA) to the list of known hosts. 2023/05/17 09:08:50 fuzzer started 2023/05/17 09:08:50 dialing manager at localhost:35573 2023/05/17 09:08:50 checking machine... 2023/05/17 09:08:50 checking revisions... [ 35.545989] kmemleak: Automatic memory scanning thread ended 2023/05/17 09:08:50 testing simple program... [ 35.605031] cgroup: Unknown subsys name 'net' [ 35.661617] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.582819] audit: type=1400 audit(1684314543.871:6): 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 [ 49.725135] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 49.726445] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 49.728928] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 49.732304] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 49.733423] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 49.735641] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.044920] ------------[ cut here ]------------ [ 50.045402] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.046636] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.047371] Modules linked in: [ 50.047704] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.050941] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.051688] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.052164] 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 [ 50.053758] RSP: 0018:ffff888009ea7c00 EFLAGS: 00010282 [ 50.054233] RAX: 0000000000000000 RBX: ffff888010170440 RCX: 0000000000000000 [ 50.054879] RDX: ffff88800de7b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.055580] RBP: ffff888010170454 R08: 0000000000000001 R09: 0000000000000000 [ 50.056213] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.056858] R13: ffffffff84e223a0 R14: ffff888010170448 R15: ffffffff84d73340 [ 50.057528] FS: 0000555556494400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.058202] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.058744] CR2: 00007efd82ccd6f4 CR3: 000000000e398000 CR4: 0000000000350ee0 [ 50.059358] Call Trace: [ 50.059622] [ 50.059837] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.060279] ipv4_frags_init_net+0x269/0x440 [ 50.060715] ops_init+0xbb/0x6b0 [ 50.061074] setup_net+0x3d9/0x990 [ 50.061436] ? down_read_killable+0x1d7/0x4e0 [ 50.061877] ? __pfx_setup_net+0x10/0x10 [ 50.062273] ? copy_net_ns+0x17c/0x770 [ 50.062666] copy_net_ns+0x321/0x770 [ 50.063015] create_new_namespaces+0x3f6/0xb30 [ 50.063435] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.063910] ksys_unshare+0x44d/0x8e0 [ 50.064260] ? __pfx_ksys_unshare+0x10/0x10 [ 50.064674] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.065218] __x64_sys_unshare+0x31/0x40 [ 50.065626] do_syscall_64+0x3f/0x90 [ 50.065974] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.066436] RIP: 0033:0x7fcb892ab0d7 [ 50.066791] 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 [ 50.068362] RSP: 002b:00007ffe6ea17ba8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.069062] RAX: ffffffffffffffda RBX: 00007ffe6ea181e8 RCX: 00007fcb892ab0d7 [ 50.069688] RDX: 00007fcb8931541f RSI: 00007ffe6ea17b40 RDI: 0000000040000000 [ 50.070296] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe6ea17950 [ 50.070949] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fcb893bdbf0 [ 50.071593] R13: 00007ffe6ea17c80 R14: 0000000000000000 R15: 00000000000000f8 [ 50.072221] [ 50.072437] irq event stamp: 8247 [ 50.072775] hardirqs last enabled at (8259): [] __up_console_sem+0x78/0x80 [ 50.073549] hardirqs last disabled at (8270): [] __up_console_sem+0x5d/0x80 [ 50.074286] softirqs last enabled at (7800): [] irq_exit_rcu+0x93/0xc0 [ 50.075029] softirqs last disabled at (7795): [] irq_exit_rcu+0x93/0xc0 [ 50.075764] ---[ end trace 0000000000000000 ]--- [ 50.081404] ------------[ cut here ]------------ [ 50.081886] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.083070] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.083839] Modules linked in: [ 50.084151] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.084988] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.085738] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.086191] 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 [ 50.087754] RSP: 0018:ffff888009ea7c00 EFLAGS: 00010282 [ 50.088221] RAX: 0000000000000000 RBX: ffff88800ccb8440 RCX: 0000000000000000 [ 50.088864] RDX: ffff88800de7b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.089540] RBP: ffff88800ccb8454 R08: 0000000000000001 R09: 0000000000000000 [ 50.090161] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.090807] R13: ffffffff84e223a0 R14: ffff88800ccb8448 R15: ffffffff84da62e0 [ 50.091424] FS: 0000555556494400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.092168] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.092709] CR2: 00007efd82ccd6f4 CR3: 000000000e398000 CR4: 0000000000350ee0 [ 50.093380] Call Trace: [ 50.093649] [ 50.093862] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.094325] ipv6_frags_init_net+0x206/0x3c0 [ 50.094761] ops_init+0xbb/0x6b0 [ 50.095082] setup_net+0x3d9/0x990 [ 50.095409] ? down_read_killable+0x1d7/0x4e0 [ 50.095841] ? __pfx_setup_net+0x10/0x10 [ 50.096203] ? copy_net_ns+0x17c/0x770 [ 50.096604] copy_net_ns+0x321/0x770 [ 50.096951] create_new_namespaces+0x3f6/0xb30 [ 50.097394] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.097869] ksys_unshare+0x44d/0x8e0 [ 50.098219] ? __pfx_ksys_unshare+0x10/0x10 [ 50.098641] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.099156] __x64_sys_unshare+0x31/0x40 [ 50.099544] do_syscall_64+0x3f/0x90 [ 50.099887] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.100532] RIP: 0033:0x7fcb892ab0d7 [ 50.100888] 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 [ 50.102568] RSP: 002b:00007ffe6ea17ba8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.103254] RAX: ffffffffffffffda RBX: 00007ffe6ea181e8 RCX: 00007fcb892ab0d7 [ 50.103952] RDX: 00007fcb8931541f RSI: 00007ffe6ea17b40 RDI: 0000000040000000 [ 50.104613] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe6ea17950 [ 50.105262] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fcb893bdbf0 [ 50.105956] R13: 00007ffe6ea17c80 R14: 0000000000000000 R15: 00000000000000f8 [ 50.106646] [ 50.106862] irq event stamp: 10381 [ 50.107181] hardirqs last enabled at (10391): [] __up_console_sem+0x78/0x80 [ 50.107994] hardirqs last disabled at (10402): [] __up_console_sem+0x5d/0x80 [ 50.108791] softirqs last enabled at (9618): [] irq_exit_rcu+0x93/0xc0 [ 50.109572] softirqs last disabled at (9567): [] irq_exit_rcu+0x93/0xc0 [ 50.110313] ---[ end trace 0000000000000000 ]--- [ 50.111584] ------------[ cut here ]------------ [ 50.112003] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.113423] WARNING: CPU: 1 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.114229] Modules linked in: [ 50.114550] CPU: 1 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.115400] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.116175] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.116679] 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 [ 50.118361] RSP: 0018:ffff888009ea7bf0 EFLAGS: 00010286 [ 50.118865] RAX: 0000000000000000 RBX: ffff88800ccb8040 RCX: 0000000000000000 [ 50.119516] RDX: ffff88800de7b680 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.120145] RBP: ffff88800ccb8054 R08: 0000000000000001 R09: 0000000000000000 [ 50.120822] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.121514] R13: ffffffff84e223a0 R14: ffff88800ccb8048 R15: ffffffff84daf020 [ 50.122148] FS: 0000555556494400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.122892] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.123392] CR2: 00007efd82ccd6f4 CR3: 000000000e398000 CR4: 0000000000350ee0 [ 50.124061] Call Trace: [ 50.124313] [ 50.124570] nf_ct_net_init+0x224/0x3d0 [ 50.124968] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.125408] ops_init+0xbb/0x6b0 [ 50.125767] setup_net+0x3d9/0x990 [ 50.126111] ? down_read_killable+0x1d7/0x4e0 [ 50.126573] ? __pfx_setup_net+0x10/0x10 [ 50.126957] ? copy_net_ns+0x17c/0x770 [ 50.127333] copy_net_ns+0x321/0x770 [ 50.127734] create_new_namespaces+0x3f6/0xb30 [ 50.128174] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.128659] ksys_unshare+0x44d/0x8e0 [ 50.129055] ? __pfx_ksys_unshare+0x10/0x10 [ 50.129498] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.130034] __x64_sys_unshare+0x31/0x40 [ 50.130408] do_syscall_64+0x3f/0x90 [ 50.130792] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.131280] RIP: 0033:0x7fcb892ab0d7 [ 50.131647] 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 [ 50.133264] RSP: 002b:00007ffe6ea17ba8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.133954] RAX: ffffffffffffffda RBX: 00007ffe6ea181e8 RCX: 00007fcb892ab0d7 [ 50.134623] RDX: 00007fcb8931541f RSI: 00007ffe6ea17b40 RDI: 0000000040000000 [ 50.135304] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe6ea17950 [ 50.135991] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fcb893bdbf0 [ 50.136669] R13: 00007ffe6ea17c80 R14: 0000000000000000 R15: 00000000000000f8 [ 50.137353] [ 50.137605] irq event stamp: 11119 [ 50.137935] hardirqs last enabled at (11129): [] __up_console_sem+0x78/0x80 [ 50.138738] hardirqs last disabled at (11140): [] __up_console_sem+0x5d/0x80 [ 50.139562] softirqs last enabled at (10702): [] irq_exit_rcu+0x93/0xc0 [ 50.140317] softirqs last disabled at (10693): [] irq_exit_rcu+0x93/0xc0 [ 50.141123] ---[ end trace 0000000000000000 ]--- executing program [ 51.749969] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 53.797565] Bluetooth: hci0: command 0x041b tx timeout [ 55.845623] Bluetooth: hci0: command 0x040f tx timeout executing program [ 57.894518] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 09:09:05 Registers: info registers vcpu 0 RAX=0000000000000285 RBX=00007f06ffffea70 RCX=000056246d1e8c80 RDX=fffffffffffffee0 RSI=00007f0700021e50 RDI=00007f0700021e60 RBP=00007f0700021e60 RSP=00007f06ffffea20 R8 =0000000000000005 R9 =0000000000000005 R10=0000000000000000 R11=0000000000000000 R12=000056246b8dea50 R13=00007f06ffffea70 R14=0000000000000001 R15=000056246d1e8e30 RIP=00007f070d0f3754 RFL=00000202 [-------] CPL=3 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0033 0000000000000000 ffffffff 00a0fb00 DPL=3 CS64 [-RA] SS =002b 0000000000000000 ffffffff 00c0f300 DPL=3 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f06fffff700 00000000 00000000 GS =0000 0000000000000000 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=00007f06f8037038 CR3=000000000e566000 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=2035303a39303a39302037312079614d XMM01=5d3430373734302e30352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d34 XMM07=6e72656b2072656c6c616b7a79732035 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000030 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff888009ea75f0 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 0000555556494400 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=00007efd82ccd6f4 CR3=000000000e398000 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