syzkaller login: [ 35.221215] sshd (225) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:43179' (ECDSA) to the list of known hosts. 2023/05/17 02:37:18 fuzzer started 2023/05/17 02:37:18 dialing manager at localhost:35573 2023/05/17 02:37:18 checking machine... 2023/05/17 02:37:18 checking revisions... [ 36.433052] kmemleak: Automatic memory scanning thread ended 2023/05/17 02:37:18 testing simple program... [ 36.504078] cgroup: Unknown subsys name 'net' [ 36.606705] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 48.847252] audit: type=1400 audit(1684291051.117:6): 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 [ 50.000726] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 50.004674] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 50.007098] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 50.020981] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 50.022508] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 50.023838] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 50.401358] ------------[ cut here ]------------ [ 50.402159] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 50.404227] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.405517] Modules linked in: [ 50.406006] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.410962] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.411991] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.412675] 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 [ 50.414839] RSP: 0018:ffff88801ef87c00 EFLAGS: 00010282 [ 50.415558] RAX: 0000000000000000 RBX: ffff88800e963c40 RCX: 0000000000000000 [ 50.416408] RDX: ffff88800dd99b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.417297] RBP: ffff88800e963c54 R08: 0000000000000001 R09: 0000000000000000 [ 50.418189] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 50.419091] R13: ffffffff84e223a0 R14: ffff88800e963c48 R15: ffffffff84d73340 [ 50.419994] FS: 00005555568fd400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.420993] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.421735] CR2: 00007f8891986f10 CR3: 0000000015b88000 CR4: 0000000000350ee0 [ 50.422632] Call Trace: [ 50.422957] [ 50.423265] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 50.423906] ipv4_frags_init_net+0x269/0x440 [ 50.424463] ops_init+0xbb/0x6b0 [ 50.424946] setup_net+0x3d9/0x990 [ 50.425392] ? down_read_killable+0x1d7/0x4e0 [ 50.425988] ? __pfx_setup_net+0x10/0x10 [ 50.426520] ? copy_net_ns+0x17c/0x770 [ 50.427023] copy_net_ns+0x321/0x770 [ 50.427581] create_new_namespaces+0x3f6/0xb30 [ 50.428164] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.428806] ksys_unshare+0x44d/0x8e0 [ 50.429300] ? __pfx_ksys_unshare+0x10/0x10 [ 50.429878] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.430625] __x64_sys_unshare+0x31/0x40 [ 50.431146] do_syscall_64+0x3f/0x90 [ 50.431661] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.432305] RIP: 0033:0x7fb2a41df0d7 [ 50.432800] 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 [ 50.434992] RSP: 002b:00007ffeb46d0158 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.435971] RAX: ffffffffffffffda RBX: 00007ffeb46d0798 RCX: 00007fb2a41df0d7 [ 50.436859] RDX: 00007fb2a424941f RSI: 00007ffeb46d00f0 RDI: 0000000040000000 [ 50.437748] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeb46cff00 [ 50.438637] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb2a42f1bf0 [ 50.439541] R13: 00007ffeb46d0230 R14: 0000000000000000 R15: 00000000000000f8 [ 50.440429] [ 50.440764] irq event stamp: 7995 [ 50.441185] hardirqs last enabled at (8005): [] __up_console_sem+0x78/0x80 [ 50.442234] hardirqs last disabled at (8016): [] __up_console_sem+0x5d/0x80 [ 50.443315] softirqs last enabled at (7902): [] irq_exit_rcu+0x93/0xc0 [ 50.444346] softirqs last disabled at (7897): [] irq_exit_rcu+0x93/0xc0 [ 50.445401] ---[ end trace 0000000000000000 ]--- [ 50.450846] ------------[ cut here ]------------ [ 50.451550] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 50.453200] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.454250] Modules linked in: [ 50.454688] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.455862] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.456894] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.457571] 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 [ 50.459796] RSP: 0018:ffff88801ef87c00 EFLAGS: 00010282 [ 50.460453] RAX: 0000000000000000 RBX: ffff88800cba9240 RCX: 0000000000000000 [ 50.461353] RDX: ffff88800dd99b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.462262] RBP: ffff88800cba9254 R08: 0000000000000001 R09: 0000000000000000 [ 50.463153] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.464071] R13: ffffffff84e223a0 R14: ffff88800cba9248 R15: ffffffff84da62e0 [ 50.464962] FS: 00005555568fd400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.465952] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.466708] CR2: 00007f8891986f10 CR3: 0000000015b88000 CR4: 0000000000350ee0 [ 50.467634] Call Trace: [ 50.467961] [ 50.468267] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 50.468922] ipv6_frags_init_net+0x206/0x3c0 [ 50.469514] ops_init+0xbb/0x6b0 [ 50.469967] setup_net+0x3d9/0x990 [ 50.470412] ? down_read_killable+0x1d7/0x4e0 [ 50.471019] ? __pfx_setup_net+0x10/0x10 [ 50.471591] ? copy_net_ns+0x17c/0x770 [ 50.472096] copy_net_ns+0x321/0x770 [ 50.472603] create_new_namespaces+0x3f6/0xb30 [ 50.473195] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.473846] ksys_unshare+0x44d/0x8e0 [ 50.474347] ? __pfx_ksys_unshare+0x10/0x10 [ 50.474927] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.475692] __x64_sys_unshare+0x31/0x40 [ 50.476206] do_syscall_64+0x3f/0x90 [ 50.476717] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.477365] RIP: 0033:0x7fb2a41df0d7 [ 50.477855] 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 [ 50.480086] RSP: 002b:00007ffeb46d0158 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.481040] RAX: ffffffffffffffda RBX: 00007ffeb46d0798 RCX: 00007fb2a41df0d7 [ 50.481934] RDX: 00007fb2a424941f RSI: 00007ffeb46d00f0 RDI: 0000000040000000 [ 50.482830] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeb46cff00 [ 50.483743] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb2a42f1bf0 [ 50.484654] R13: 00007ffeb46d0230 R14: 0000000000000000 R15: 00000000000000f8 [ 50.485571] [ 50.485873] irq event stamp: 10055 [ 50.486319] hardirqs last enabled at (10065): [] __up_console_sem+0x78/0x80 [ 50.487407] hardirqs last disabled at (10076): [] __up_console_sem+0x5d/0x80 [ 50.488507] softirqs last enabled at (9828): [] irq_exit_rcu+0x93/0xc0 [ 50.489572] softirqs last disabled at (9823): [] irq_exit_rcu+0x93/0xc0 [ 50.490602] ---[ end trace 0000000000000000 ]--- [ 50.491997] ------------[ cut here ]------------ [ 50.492784] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 50.494741] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 50.495866] Modules linked in: [ 50.496273] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 50.497459] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 50.498493] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 50.499138] 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 [ 50.501313] RSP: 0018:ffff88801ef87bf0 EFLAGS: 00010286 [ 50.502019] RAX: 0000000000000000 RBX: ffff88800cba9a40 RCX: 0000000000000000 [ 50.502914] RDX: ffff88800dd99b40 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 50.503823] RBP: ffff88800cba9a54 R08: 0000000000000001 R09: 0000000000000000 [ 50.504746] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 50.505651] R13: ffffffff84e223a0 R14: ffff88800cba9a48 R15: ffffffff84daf020 [ 50.506533] FS: 00005555568fd400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 50.507582] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 50.508298] CR2: 00007f8891986f10 CR3: 0000000015b88000 CR4: 0000000000350ee0 [ 50.509191] Call Trace: [ 50.509543] [ 50.509843] nf_ct_net_init+0x224/0x3d0 [ 50.510355] ? __pfx_nf_ct_net_init+0x10/0x10 [ 50.510953] ops_init+0xbb/0x6b0 [ 50.511405] setup_net+0x3d9/0x990 [ 50.511882] ? down_read_killable+0x1d7/0x4e0 [ 50.512508] ? __pfx_setup_net+0x10/0x10 [ 50.513014] ? copy_net_ns+0x17c/0x770 [ 50.513543] copy_net_ns+0x321/0x770 [ 50.514021] create_new_namespaces+0x3f6/0xb30 [ 50.514637] unshare_nsproxy_namespaces+0xc1/0x200 [ 50.515285] ksys_unshare+0x44d/0x8e0 [ 50.515813] ? __pfx_ksys_unshare+0x10/0x10 [ 50.516365] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 50.517096] __x64_sys_unshare+0x31/0x40 [ 50.517644] do_syscall_64+0x3f/0x90 [ 50.518122] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 50.518776] RIP: 0033:0x7fb2a41df0d7 [ 50.519251] 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 [ 50.521434] RSP: 002b:00007ffeb46d0158 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 50.522380] RAX: ffffffffffffffda RBX: 00007ffeb46d0798 RCX: 00007fb2a41df0d7 [ 50.523317] RDX: 00007fb2a424941f RSI: 00007ffeb46d00f0 RDI: 0000000040000000 [ 50.524216] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffeb46cff00 [ 50.525143] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fb2a42f1bf0 [ 50.526033] R13: 00007ffeb46d0230 R14: 0000000000000000 R15: 00000000000000f8 [ 50.526961] [ 50.527275] irq event stamp: 10981 [ 50.527741] hardirqs last enabled at (10993): [] __up_console_sem+0x78/0x80 [ 50.528858] hardirqs last disabled at (11004): [] __up_console_sem+0x5d/0x80 [ 50.529988] softirqs last enabled at (10596): [] irq_exit_rcu+0x93/0xc0 [ 50.531074] softirqs last disabled at (10587): [] irq_exit_rcu+0x93/0xc0 [ 50.532171] ---[ end trace 0000000000000000 ]--- executing program [ 52.072976] Bluetooth: hci0: command 0x0409 tx timeout [ 54.119612] Bluetooth: hci0: command 0x041b tx timeout executing program [ 56.167552] Bluetooth: hci0: command 0x040f tx timeout executing program [ 58.215542] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 02:37:32 Registers: info registers vcpu 0 RAX=000000000002c4b9 RBX=0000000000000000 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffffffff85407e10 R8 =0000000000000001 R9 =ffffed100d9c69f8 R10=ffff88806ce34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffffffff0a80fc7 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff844c599f 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=00007f8891a0ba80 CR3=000000000e794000 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=a13418dadd9746a0224aefb3bf02bd34 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=ed1f1257b5583b85000000000013c0c0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=d893d826a35249e500000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000202000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=dffffc0000000060 RBX=00000000000003fd RCX=0000000000000000 RDX=00000000000003fd RSI=ffffffff825075f0 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801ef87598 R8 =0000000000000004 R9 =0000000000000010 R10=0000000000000010 R11=0000000000000001 R12=0000000000002710 R13=0000000000000020 R14=fffffbfff0fe4fd1 R15=dffffc0000000000 RIP=ffffffff82507645 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 00005555568fd400 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=00007f8891986f10 CR3=0000000015b88000 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