syzkaller login: [ 40.429644] sshd (218) used greatest stack depth: 24160 bytes left Warning: Permanently added '[localhost]:59282' (ECDSA) to the list of known hosts. 2023/05/17 00:00:22 fuzzer started 2023/05/17 00:00:22 dialing manager at localhost:35573 2023/05/17 00:00:22 checking machine... 2023/05/17 00:00:22 checking revisions... [ 42.569765] kmemleak: Automatic memory scanning thread ended 2023/05/17 00:00:22 testing simple program... [ 42.650380] cgroup: Unknown subsys name 'net' [ 42.744270] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program [ 54.261033] audit: type=1400 audit(1684281634.586:6): 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 executing program [ 55.360433] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 55.362325] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 55.363477] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 55.365829] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 55.367263] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 55.368435] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 55.782967] ------------[ cut here ]------------ [ 55.783795] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 55.785663] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.786750] Modules linked in: [ 55.787152] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.791645] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.792885] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.793676] 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 [ 55.795880] RSP: 0018:ffff88801fcb7c00 EFLAGS: 00010282 [ 55.796587] RAX: 0000000000000000 RBX: ffff88801000c440 RCX: 0000000000000000 [ 55.797461] RDX: ffff88801fca8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.798384] RBP: ffff88801000c454 R08: 0000000000000001 R09: 0000000000000000 [ 55.799267] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 55.800188] R13: ffffffff84e223a0 R14: ffff88801000c448 R15: ffffffff84d73340 [ 55.801105] FS: 0000555556bfa400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.802136] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.802919] CR2: 00007f8b750796f4 CR3: 0000000016524000 CR4: 0000000000350ef0 [ 55.803817] Call Trace: [ 55.804173] [ 55.804484] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 55.805122] ipv4_frags_init_net+0x269/0x440 [ 55.805745] ops_init+0xbb/0x6b0 [ 55.806190] setup_net+0x3d9/0x990 [ 55.806699] ? down_read_killable+0x1d7/0x4e0 [ 55.807262] ? __pfx_setup_net+0x10/0x10 [ 55.807819] ? copy_net_ns+0x17c/0x770 [ 55.808338] copy_net_ns+0x321/0x770 [ 55.808866] create_new_namespaces+0x3f6/0xb30 [ 55.809478] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.810143] ksys_unshare+0x44d/0x8e0 [ 55.810683] ? __pfx_ksys_unshare+0x10/0x10 [ 55.811232] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.811996] __x64_sys_unshare+0x31/0x40 [ 55.812575] do_syscall_64+0x3f/0x90 [ 55.813055] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.813754] RIP: 0033:0x7f1c394890d7 [ 55.814220] 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 [ 55.816437] RSP: 002b:00007ffe5a3cfdf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 55.817388] RAX: ffffffffffffffda RBX: 00007ffe5a3d0438 RCX: 00007f1c394890d7 [ 55.818307] RDX: 00007f1c394f341f RSI: 00007ffe5a3cfd90 RDI: 0000000040000000 [ 55.819216] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe5a3cfba0 [ 55.820130] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1c3959bbf0 [ 55.821036] R13: 00007ffe5a3cfed0 R14: 0000000000000000 R15: 00000000000000f8 [ 55.821994] [ 55.822303] irq event stamp: 8205 [ 55.822777] hardirqs last enabled at (8217): [] __up_console_sem+0x78/0x80 [ 55.823842] hardirqs last disabled at (8228): [] __up_console_sem+0x5d/0x80 [ 55.824921] softirqs last enabled at (7764): [] irq_exit_rcu+0x93/0xc0 [ 55.825970] softirqs last disabled at (7723): [] irq_exit_rcu+0x93/0xc0 [ 55.827021] ---[ end trace 0000000000000000 ]--- [ 55.832918] ------------[ cut here ]------------ [ 55.833567] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 55.835300] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.836389] Modules linked in: [ 55.836841] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.838017] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.839049] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.839746] 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 [ 55.841979] RSP: 0018:ffff88801fcb7c00 EFLAGS: 00010282 [ 55.842691] RAX: 0000000000000000 RBX: ffff888008ef2640 RCX: 0000000000000000 [ 55.843596] RDX: ffff88801fca8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.844468] RBP: ffff888008ef2654 R08: 0000000000000001 R09: 0000000000000000 [ 55.845579] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.846758] R13: ffffffff84e223a0 R14: ffff888008ef2648 R15: ffffffff84da62e0 [ 55.847970] FS: 0000555556bfa400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.849319] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.850321] CR2: 00007f8b750796f4 CR3: 0000000016524000 CR4: 0000000000350ef0 [ 55.851512] Call Trace: [ 55.852012] [ 55.852410] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 55.853292] ipv6_frags_init_net+0x206/0x3c0 [ 55.854086] ops_init+0xbb/0x6b0 [ 55.854731] setup_net+0x3d9/0x990 [ 55.855325] ? down_read_killable+0x1d7/0x4e0 [ 55.856128] ? __pfx_setup_net+0x10/0x10 [ 55.856840] ? copy_net_ns+0x17c/0x770 [ 55.857503] copy_net_ns+0x321/0x770 [ 55.858188] create_new_namespaces+0x3f6/0xb30 [ 55.859014] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.859922] ksys_unshare+0x44d/0x8e0 [ 55.860625] ? __pfx_ksys_unshare+0x10/0x10 [ 55.861356] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.862363] __x64_sys_unshare+0x31/0x40 [ 55.863096] do_syscall_64+0x3f/0x90 [ 55.863771] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.864684] RIP: 0033:0x7f1c394890d7 [ 55.865294] 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 [ 55.868174] RSP: 002b:00007ffe5a3cfdf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 55.869434] RAX: ffffffffffffffda RBX: 00007ffe5a3d0438 RCX: 00007f1c394890d7 [ 55.870622] RDX: 00007f1c394f341f RSI: 00007ffe5a3cfd90 RDI: 0000000040000000 [ 55.871799] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe5a3cfba0 [ 55.873017] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1c3959bbf0 [ 55.874185] R13: 00007ffe5a3cfed0 R14: 0000000000000000 R15: 00000000000000f8 [ 55.875396] [ 55.875845] irq event stamp: 9707 [ 55.876404] hardirqs last enabled at (9717): [] __up_console_sem+0x78/0x80 [ 55.877804] hardirqs last disabled at (9728): [] __up_console_sem+0x5d/0x80 [ 55.879202] softirqs last enabled at (8950): [] irq_exit_rcu+0x93/0xc0 [ 55.880429] softirqs last disabled at (8897): [] irq_exit_rcu+0x93/0xc0 [ 55.881447] ---[ end trace 0000000000000000 ]--- [ 55.882894] ------------[ cut here ]------------ [ 55.883472] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 55.885629] WARNING: CPU: 0 PID: 259 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 55.886670] Modules linked in: [ 55.887077] CPU: 0 PID: 259 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230516 #1 [ 55.888243] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 55.889251] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 55.889918] 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 [ 55.892097] RSP: 0018:ffff88801fcb7bf0 EFLAGS: 00010286 [ 55.892799] RAX: 0000000000000000 RBX: ffff888008ef3c40 RCX: 0000000000000000 [ 55.893686] RDX: ffff88801fca8000 RSI: ffffffff81172af2 RDI: 0000000000000001 [ 55.894569] RBP: ffff888008ef3c54 R08: 0000000000000001 R09: 0000000000000000 [ 55.895416] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 55.896365] R13: ffffffff84e223a0 R14: ffff888008ef3c48 R15: ffffffff84daf020 [ 55.897303] FS: 0000555556bfa400(0000) GS:ffff88806ce00000(0000) knlGS:0000000000000000 [ 55.898354] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 55.899131] CR2: 00007f8b750796f4 CR3: 0000000016524000 CR4: 0000000000350ef0 [ 55.900094] Call Trace: [ 55.900437] [ 55.900785] nf_ct_net_init+0x224/0x3d0 [ 55.901323] ? __pfx_nf_ct_net_init+0x10/0x10 [ 55.901947] ops_init+0xbb/0x6b0 [ 55.902417] setup_net+0x3d9/0x990 [ 55.902926] ? down_read_killable+0x1d7/0x4e0 [ 55.903552] ? __pfx_setup_net+0x10/0x10 [ 55.904111] ? copy_net_ns+0x17c/0x770 [ 55.904673] copy_net_ns+0x321/0x770 [ 55.905172] create_new_namespaces+0x3f6/0xb30 [ 55.905808] unshare_nsproxy_namespaces+0xc1/0x200 [ 55.906453] ksys_unshare+0x44d/0x8e0 [ 55.906989] ? __pfx_ksys_unshare+0x10/0x10 [ 55.907575] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 55.908317] __x64_sys_unshare+0x31/0x40 [ 55.908882] do_syscall_64+0x3f/0x90 [ 55.909372] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 55.910068] RIP: 0033:0x7f1c394890d7 [ 55.910585] 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 [ 55.912851] RSP: 002b:00007ffe5a3cfdf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110 [ 55.913843] RAX: ffffffffffffffda RBX: 00007ffe5a3d0438 RCX: 00007f1c394890d7 [ 55.914772] RDX: 00007f1c394f341f RSI: 00007ffe5a3cfd90 RDI: 0000000040000000 [ 55.915693] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007ffe5a3cfba0 [ 55.916636] R10: 0000000000000000 R11: 0000000000000202 R12: 00007f1c3959bbf0 [ 55.917566] R13: 00007ffe5a3cfed0 R14: 0000000000000000 R15: 00000000000000f8 [ 55.918476] [ 55.918825] irq event stamp: 10443 [ 55.919271] hardirqs last enabled at (10453): [] __up_console_sem+0x78/0x80 [ 55.920403] hardirqs last disabled at (10464): [] __up_console_sem+0x5d/0x80 [ 55.921514] softirqs last enabled at (10032): [] irq_exit_rcu+0x93/0xc0 [ 55.922633] softirqs last disabled at (10023): [] irq_exit_rcu+0x93/0xc0 [ 55.923711] ---[ end trace 0000000000000000 ]--- [ 57.445253] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 59.492594] Bluetooth: hci0: command 0x041b tx timeout executing program [ 61.540612] Bluetooth: hci0: command 0x040f tx timeout executing program [ 63.588637] Bluetooth: hci0: command 0x0419 tx timeout VM DIAGNOSIS: 00:00:30 Registers: info registers vcpu 0 RAX=0000000000000020 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507685 RDI=ffffffff87f27c00 RBP=ffffffff87f27bc0 RSP=ffff88801fcb75f0 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000020 R11=0000000000000001 R12=0000000000000020 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 0000555556bfa400 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=00007f8b750796f4 CR3=0000000016524000 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=000000000003bd75 RBX=0000000000000001 RCX=ffffffff844c4a0e RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff81288625 RBP=dffffc0000000000 RSP=ffff888008dcfe68 R8 =0000000000000001 R9 =ffffed100d9e69f8 R10=ffff88806cf34fc3 R11=0000000000000001 R12=ffffffff85d34a10 R13=1ffff110011b9fd2 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 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=00007f53e9f4d780 CR3=000000000ef3a000 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=058e3559daf691bfee479cbe2f9a2fe9 XMM02=6b1e99b806172e3b00000000000aea28 XMM03=ac8bc31478ec851100000000000aefa0 XMM04=a8661e8e5daa24c3000000000013c0f0 XMM05=d3fdd5f48436fbd700000000000aead0 XMM06=65d3cfdb73f814c000000000000ae988 XMM07=a1fcdcf819d7e1e500000000000ae728 XMM08=44495f474f4c5359530069253d595449 XMM09=00000000000000000000000000000000 XMM10=00000000000000000020000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000