syzkaller login: [ 36.748394] sshd (225) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:63563' (ECDSA) to the list of known hosts. 2023/05/17 14:05:56 fuzzer started 2023/05/17 14:05:56 dialing manager at localhost:44319 2023/05/17 14:05:56 checking machine... 2023/05/17 14:05:56 checking revisions... [ 37.923057] kmemleak: Automatic memory scanning thread ended 2023/05/17 14:05:56 testing simple program... [ 37.987073] cgroup: Unknown subsys name 'net' [ 38.070968] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 50.260881] audit: type=1400 audit(1684332368.989:6): 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 [ 51.344457] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 51.347695] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 51.349299] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 51.353647] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 51.355925] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 51.357685] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 51.729504] ------------[ cut here ]------------ [ 51.730301] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 51.732386] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.733975] Modules linked in: [ 51.734549] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.737212] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.740596] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.742065] 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 [ 51.744852] RSP: 0018:ffff888015837c00 EFLAGS: 00010282 [ 51.745669] RAX: 0000000000000000 RBX: ffff888009974040 RCX: 0000000000000000 [ 51.746594] RDX: ffff88800fce3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.747513] RBP: ffff888009974054 R08: 0000000000000001 R09: 0000000000000000 [ 51.748486] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 51.749495] R13: ffffffff84e23fe0 R14: ffff888009974048 R15: ffffffff84d74dc0 [ 51.750496] FS: 00005555571d3400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.751629] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.752459] CR2: 00007fe90ffc36f4 CR3: 00000000205d6000 CR4: 0000000000350ee0 [ 51.753478] Call Trace: [ 51.753853] [ 51.754227] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 51.754917] ipv4_frags_init_net+0x269/0x440 [ 51.755578] ops_init+0xbb/0x6b0 [ 51.756086] setup_net+0x3d9/0x990 [ 51.756634] ? down_read_killable+0x1d7/0x4e0 [ 51.757344] ? __pfx_setup_net+0x10/0x10 [ 51.757921] ? copy_net_ns+0x17c/0x770 [ 51.758528] copy_net_ns+0x321/0x770 [ 51.759074] create_new_namespaces+0x3f6/0xb30 [ 51.759767] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.760489] ksys_unshare+0x44d/0x8e0 [ 51.761055] ? __pfx_ksys_unshare+0x10/0x10 [ 51.761707] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.762548] __x64_sys_unshare+0x31/0x40 [ 51.763171] do_syscall_64+0x3f/0x90 [ 51.763717] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.764479] RIP: 0033:0x7ff6bf2f80d7 [ 51.765031] 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 [ 51.767494] RSP: 002b:00007ffde075fcc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.768559] RAX: ffffffffffffffda RBX: 00007ffde0760308 RCX: 00007ff6bf2f80d7 [ 51.769578] RDX: 00007ff6bf36241f RSI: 00007ffde075fc60 RDI: 0000000040000000 [ 51.770568] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffde075fa70 [ 51.771569] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff6bf40abf0 [ 51.772569] R13: 00007ffde075fda0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.773620] [ 51.773964] irq event stamp: 9233 [ 51.774476] hardirqs last enabled at (9245): [] __up_console_sem+0x78/0x80 [ 51.775664] hardirqs last disabled at (9256): [] __up_console_sem+0x5d/0x80 [ 51.776867] softirqs last enabled at (8800): [] irq_exit_rcu+0x93/0xc0 [ 51.778021] softirqs last disabled at (8785): [] irq_exit_rcu+0x93/0xc0 [ 51.779171] ---[ end trace 0000000000000000 ]--- [ 51.785556] ------------[ cut here ]------------ [ 51.786258] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 51.788067] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.789408] Modules linked in: [ 51.789910] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.791313] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.792537] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.793383] 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 [ 51.795987] RSP: 0018:ffff888015837c00 EFLAGS: 00010282 [ 51.796847] RAX: 0000000000000000 RBX: ffff88800d8ffa40 RCX: 0000000000000000 [ 51.797773] RDX: ffff88800fce3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.798701] RBP: ffff88800d8ffa54 R08: 0000000000000001 R09: 0000000000000000 [ 51.799622] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.800546] R13: ffffffff84e23fe0 R14: ffff88800d8ffa48 R15: ffffffff84da7d60 [ 51.801492] FS: 00005555571d3400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.802527] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.803305] CR2: 00007fe90ffc36f4 CR3: 00000000205d6000 CR4: 0000000000350ee0 [ 51.804240] Call Trace: [ 51.804584] [ 51.804904] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 51.805574] ipv6_frags_init_net+0x206/0x3c0 [ 51.806191] ops_init+0xbb/0x6b0 [ 51.806662] setup_net+0x3d9/0x990 [ 51.807157] ? down_read_killable+0x1d7/0x4e0 [ 51.807738] ? __pfx_setup_net+0x10/0x10 [ 51.808285] ? copy_net_ns+0x17c/0x770 [ 51.808823] copy_net_ns+0x321/0x770 [ 51.809344] create_new_namespaces+0x3f6/0xb30 [ 51.809944] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.810604] ksys_unshare+0x44d/0x8e0 [ 51.811129] ? __pfx_ksys_unshare+0x10/0x10 [ 51.811687] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.812440] __x64_sys_unshare+0x31/0x40 [ 51.812971] do_syscall_64+0x3f/0x90 [ 51.813486] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.814176] RIP: 0033:0x7ff6bf2f80d7 [ 51.814660] 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 [ 51.816919] RSP: 002b:00007ffde075fcc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.817887] RAX: ffffffffffffffda RBX: 00007ffde0760308 RCX: 00007ff6bf2f80d7 [ 51.818795] RDX: 00007ff6bf36241f RSI: 00007ffde075fc60 RDI: 0000000040000000 [ 51.819684] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffde075fa70 [ 51.820586] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff6bf40abf0 [ 51.821520] R13: 00007ffde075fda0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.822444] [ 51.822746] irq event stamp: 10931 [ 51.823210] hardirqs last enabled at (10943): [] __up_console_sem+0x78/0x80 [ 51.824294] hardirqs last disabled at (10954): [] __up_console_sem+0x5d/0x80 [ 51.825390] softirqs last enabled at (10300): [] irq_exit_rcu+0x93/0xc0 [ 51.826440] softirqs last disabled at (10279): [] irq_exit_rcu+0x93/0xc0 [ 51.827490] ---[ end trace 0000000000000000 ]--- [ 51.828914] ------------[ cut here ]------------ [ 51.829557] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 51.831530] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 51.832582] Modules linked in: [ 51.833014] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 51.834181] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 51.835194] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 51.835850] 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 [ 51.838078] RSP: 0018:ffff888015837bf0 EFLAGS: 00010286 [ 51.838766] RAX: 0000000000000000 RBX: ffff88800d8ff240 RCX: 0000000000000000 [ 51.839691] RDX: ffff88800fce3680 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 51.840620] RBP: ffff88800d8ff254 R08: 0000000000000001 R09: 0000000000000000 [ 51.841529] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 51.842423] R13: ffffffff84e23fe0 R14: ffff88800d8ff248 R15: ffffffff84db0aa0 [ 51.843357] FS: 00005555571d3400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 51.844380] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.845154] CR2: 00007fe90ffc36f4 CR3: 00000000205d6000 CR4: 0000000000350ee0 [ 51.846016] Call Trace: [ 51.846378] [ 51.846685] nf_ct_net_init+0x224/0x3d0 [ 51.847245] ? __pfx_nf_ct_net_init+0x10/0x10 [ 51.847819] ops_init+0xbb/0x6b0 [ 51.848304] setup_net+0x3d9/0x990 [ 51.848768] ? down_read_killable+0x1d7/0x4e0 [ 51.849374] ? __pfx_setup_net+0x10/0x10 [ 51.849888] ? copy_net_ns+0x17c/0x770 [ 51.850425] copy_net_ns+0x321/0x770 [ 51.850919] create_new_namespaces+0x3f6/0xb30 [ 51.851544] unshare_nsproxy_namespaces+0xc1/0x200 [ 51.852200] ksys_unshare+0x44d/0x8e0 [ 51.852719] ? __pfx_ksys_unshare+0x10/0x10 [ 51.853299] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 51.854015] __x64_sys_unshare+0x31/0x40 [ 51.854565] do_syscall_64+0x3f/0x90 [ 51.855051] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 51.855729] RIP: 0033:0x7ff6bf2f80d7 [ 51.856232] 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 [ 51.858431] RSP: 002b:00007ffde075fcc8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 51.859408] RAX: ffffffffffffffda RBX: 00007ffde0760308 RCX: 00007ff6bf2f80d7 [ 51.860310] RDX: 00007ff6bf36241f RSI: 00007ffde075fc60 RDI: 0000000040000000 [ 51.861209] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffde075fa70 [ 51.862075] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ff6bf40abf0 [ 51.862973] R13: 00007ffde075fda0 R14: 0000000000000000 R15: 00000000000000f8 [ 51.863890] [ 51.864226] irq event stamp: 11701 [ 51.864691] hardirqs last enabled at (11711): [] __up_console_sem+0x78/0x80 [ 51.865776] hardirqs last disabled at (11722): [] __up_console_sem+0x5d/0x80 [ 51.866847] softirqs last enabled at (11350): [] irq_exit_rcu+0x93/0xc0 [ 51.867906] softirqs last disabled at (11345): [] irq_exit_rcu+0x93/0xc0 [ 51.868978] ---[ end trace 0000000000000000 ]--- executing program [ 53.366726] Bluetooth: hci0: command 0x0409 tx timeout [ 55.414518] Bluetooth: hci0: command 0x041b tx timeout executing program [ 57.463284] Bluetooth: hci0: command 0x040f tx timeout executing program [ 59.510169] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 14:06:08 Registers: info registers vcpu 0 RAX=000000000002bad7 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=00000206 [-----P-] 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=00007f22012915f8 CR3=000000000e732000 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=06d037c2f43135b2d9409107e10203ae XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=d35f14e95510c1f60000000000111920 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=fcffb0fd73b93ed900000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000005 RBX=00000000000003f9 RCX=0000000000000000 RDX=00000000000003f9 RSI=ffffffff82507ef0 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff8880158375e8 R8 =0000000000000001 R9 =ffffed1002b06eae R10=0000000000000003 R11=0000000000000001 R12=0000000000000039 R13=ffffffff87f2dbc0 R14=ffffffff87f2dc10 R15=ffffffff87f2de78 RIP=ffffffff82507f45 RFL=00000006 [-----P-] 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 00005555571d3400 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=00007fe90ffc36f4 CR3=00000000205d6000 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