syzkaller login: [ 33.510570] sshd (224) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:21772' (ECDSA) to the list of known hosts. 2023/05/18 08:11:50 fuzzer started 2023/05/18 08:11:50 dialing manager at localhost:44319 2023/05/18 08:11:50 checking machine... 2023/05/18 08:11:50 checking revisions... [ 34.582782] kmemleak: Automatic memory scanning thread ended 2023/05/18 08:11:50 testing simple program... [ 34.662329] cgroup: Unknown subsys name 'net' [ 34.751807] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 45.535168] audit: type=1400 audit(1684397521.661:6): 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 executing program [ 46.624922] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 46.625976] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 46.627814] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 46.629709] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 46.630797] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 46.632035] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 46.948004] ------------[ cut here ]------------ [ 46.948554] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 46.949735] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 46.950556] Modules linked in: [ 46.950861] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 46.953818] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.955574] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 46.955999] 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 [ 46.957551] RSP: 0018:ffff88802031fc00 EFLAGS: 00010282 [ 46.957985] RAX: 0000000000000000 RBX: ffff88800e212440 RCX: 0000000000000000 [ 46.958637] RDX: ffff8880164eb680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 46.959224] RBP: ffff88800e212454 R08: 0000000000000001 R09: 0000000000000000 [ 46.959800] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 46.960401] R13: ffffffff84e23fe0 R14: ffff88800e212448 R15: ffffffff84d74dc0 [ 46.960972] FS: 00005555572d1400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 46.961642] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.962143] CR2: 00007f82be7006f4 CR3: 000000001586c000 CR4: 0000000000350ef0 [ 46.962727] Call Trace: [ 46.962942] [ 46.963167] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 46.963607] ipv4_frags_init_net+0x269/0x440 [ 46.963976] ops_init+0xbb/0x6b0 [ 46.964311] setup_net+0x3d9/0x990 [ 46.964623] ? down_read_killable+0x1d7/0x4e0 [ 46.964999] ? __pfx_setup_net+0x10/0x10 [ 46.965364] ? copy_net_ns+0x17c/0x770 [ 46.965707] copy_net_ns+0x321/0x770 [ 46.966029] create_new_namespaces+0x3f6/0xb30 [ 46.966441] unshare_nsproxy_namespaces+0xc1/0x200 [ 46.966849] ksys_unshare+0x44d/0x8e0 [ 46.967207] ? __pfx_ksys_unshare+0x10/0x10 [ 46.967602] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 46.968096] __x64_sys_unshare+0x31/0x40 [ 46.968442] do_syscall_64+0x3f/0x90 [ 46.968767] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 46.969224] RIP: 0033:0x7fcacdf6c0d7 [ 46.969537] 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 [ 46.970994] RSP: 002b:00007ffd441bc0f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 46.971635] RAX: ffffffffffffffda RBX: 00007ffd441bc738 RCX: 00007fcacdf6c0d7 [ 46.972234] RDX: 00007fcacdfd641f RSI: 00007ffd441bc090 RDI: 0000000040000000 [ 46.972809] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd441bbea0 [ 46.973403] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fcace07ebf0 [ 46.973975] R13: 00007ffd441bc1d0 R14: 0000000000000000 R15: 00000000000000f8 [ 46.974575] [ 46.974776] irq event stamp: 8703 [ 46.975087] hardirqs last enabled at (8715): [] __up_console_sem+0x78/0x80 [ 46.975801] hardirqs last disabled at (8724): [] __up_console_sem+0x5d/0x80 [ 46.976509] softirqs last enabled at (8320): [] irq_exit_rcu+0x93/0xc0 [ 46.977200] softirqs last disabled at (8305): [] irq_exit_rcu+0x93/0xc0 [ 46.977878] ---[ end trace 0000000000000000 ]--- [ 46.981521] ------------[ cut here ]------------ [ 46.981911] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 46.982996] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 46.983738] Modules linked in: [ 46.984016] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 46.984801] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 46.985488] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 46.985923] 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 [ 46.987390] RSP: 0018:ffff88802031fc00 EFLAGS: 00010282 [ 46.987820] RAX: 0000000000000000 RBX: ffff888009485640 RCX: 0000000000000000 [ 46.988401] RDX: ffff8880164eb680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 46.988965] RBP: ffff888009485654 R08: 0000000000000001 R09: 0000000000000000 [ 46.989566] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 46.990171] R13: ffffffff84e23fe0 R14: ffff888009485648 R15: ffffffff84da7d60 [ 46.990760] FS: 00005555572d1400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 46.991474] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 46.991948] CR2: 00007f82be7006f4 CR3: 000000001586c000 CR4: 0000000000350ef0 [ 46.992556] Call Trace: [ 46.992780] [ 46.992979] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 46.993420] ipv6_frags_init_net+0x206/0x3c0 [ 46.993804] ops_init+0xbb/0x6b0 [ 46.994131] setup_net+0x3d9/0x990 [ 46.994435] ? down_read_killable+0x1d7/0x4e0 [ 46.994823] ? __pfx_setup_net+0x10/0x10 [ 46.995190] ? copy_net_ns+0x17c/0x770 [ 46.995551] copy_net_ns+0x321/0x770 [ 46.995877] create_new_namespaces+0x3f6/0xb30 [ 46.996303] unshare_nsproxy_namespaces+0xc1/0x200 [ 46.996720] ksys_unshare+0x44d/0x8e0 [ 46.997038] ? __pfx_ksys_unshare+0x10/0x10 [ 46.997418] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 46.997885] __x64_sys_unshare+0x31/0x40 [ 46.998254] do_syscall_64+0x3f/0x90 [ 46.998573] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 46.998997] RIP: 0033:0x7fcacdf6c0d7 [ 46.999355] 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 [ 47.000803] RSP: 002b:00007ffd441bc0f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 47.001448] RAX: ffffffffffffffda RBX: 00007ffd441bc738 RCX: 00007fcacdf6c0d7 [ 47.002027] RDX: 00007fcacdfd641f RSI: 00007ffd441bc090 RDI: 0000000040000000 [ 47.002638] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd441bbea0 [ 47.003253] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fcace07ebf0 [ 47.003856] R13: 00007ffd441bc1d0 R14: 0000000000000000 R15: 00000000000000f8 [ 47.004462] [ 47.004662] irq event stamp: 10255 [ 47.004951] hardirqs last enabled at (10265): [] __up_console_sem+0x78/0x80 [ 47.005673] hardirqs last disabled at (10276): [] __up_console_sem+0x5d/0x80 [ 47.006390] softirqs last enabled at (10218): [] irq_exit_rcu+0x93/0xc0 [ 47.007097] softirqs last disabled at (10213): [] irq_exit_rcu+0x93/0xc0 [ 47.007793] ---[ end trace 0000000000000000 ]--- [ 47.008869] ------------[ cut here ]------------ [ 47.009265] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 47.010436] WARNING: CPU: 0 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 47.011143] Modules linked in: [ 47.011420] CPU: 0 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 47.012149] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 47.012767] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 47.013206] 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 [ 47.014579] RSP: 0018:ffff88802031fbf0 EFLAGS: 00010286 [ 47.014994] RAX: 0000000000000000 RBX: ffff888009484e40 RCX: 0000000000000000 [ 47.015566] RDX: ffff8880164eb680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 47.016148] RBP: ffff888009484e54 R08: 0000000000000001 R09: 0000000000000000 [ 47.016710] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 47.017297] R13: ffffffff84e23fe0 R14: ffff888009484e48 R15: ffffffff84db0aa0 [ 47.017863] FS: 00005555572d1400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 47.018535] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.019011] CR2: 00007f82be7006f4 CR3: 000000001586c000 CR4: 0000000000350ef0 [ 47.019655] Call Trace: [ 47.019884] [ 47.020103] nf_ct_net_init+0x224/0x3d0 [ 47.020447] ? __pfx_nf_ct_net_init+0x10/0x10 [ 47.020827] ops_init+0xbb/0x6b0 [ 47.021150] setup_net+0x3d9/0x990 [ 47.021455] ? down_read_killable+0x1d7/0x4e0 [ 47.021851] ? __pfx_setup_net+0x10/0x10 [ 47.022211] ? copy_net_ns+0x17c/0x770 [ 47.022547] copy_net_ns+0x321/0x770 [ 47.022869] create_new_namespaces+0x3f6/0xb30 [ 47.023292] unshare_nsproxy_namespaces+0xc1/0x200 [ 47.023706] ksys_unshare+0x44d/0x8e0 [ 47.024025] ? __pfx_ksys_unshare+0x10/0x10 [ 47.024406] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 47.024880] __x64_sys_unshare+0x31/0x40 [ 47.025239] do_syscall_64+0x3f/0x90 [ 47.025552] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 47.025970] RIP: 0033:0x7fcacdf6c0d7 [ 47.026305] 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 [ 47.027769] RSP: 002b:00007ffd441bc0f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 47.028406] RAX: ffffffffffffffda RBX: 00007ffd441bc738 RCX: 00007fcacdf6c0d7 [ 47.028981] RDX: 00007fcacdfd641f RSI: 00007ffd441bc090 RDI: 0000000040000000 [ 47.029559] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffd441bbea0 [ 47.030142] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fcace07ebf0 [ 47.030699] R13: 00007ffd441bc1d0 R14: 0000000000000000 R15: 00000000000000f8 [ 47.031346] [ 47.031538] irq event stamp: 11003 [ 47.031791] hardirqs last enabled at (11013): [] __up_console_sem+0x78/0x80 [ 47.032425] hardirqs last disabled at (11024): [] __up_console_sem+0x5d/0x80 [ 47.033145] softirqs last enabled at (10698): [] irq_exit_rcu+0x93/0xc0 [ 47.033870] softirqs last disabled at (10689): [] irq_exit_rcu+0x93/0xc0 [ 47.034573] ---[ end trace 0000000000000000 ]--- [ 48.651551] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 50.699891] Bluetooth: hci0: command 0x041b tx timeout executing program [ 52.747128] Bluetooth: hci0: command 0x040f tx timeout [ 54.795121] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 08:11:57 Registers: info registers vcpu 0 RAX=0000000000000023 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88802031f5f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000023 R11=0000000000000001 R12=0000000000000023 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 00005555572d1400 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=00007f82be7006f4 CR3=000000001586c000 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=000000000002d857 RBX=0000000000000001 RCX=ffffffff844d0a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81287415 RBP=dffffc0000000000 RSP=ffff888008dcfe70 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d35a10 R13=1ffff110011b9fd3 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 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=00007f6a3cf40e10 CR3=0000000016622000 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=2033303a32313a38302038312079614d XMM01=5d3136383035392e36342020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502030203a555043205d31 XMM07=6e72656b2072656c6c616b7a79732033 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000