syzkaller login: [ 34.192784] sshd (211) used greatest stack depth: 24152 bytes left Warning: Permanently added '[localhost]:48269' (ECDSA) to the list of known hosts. 2023/05/17 22:31:48 fuzzer started 2023/05/17 22:31:48 dialing manager at localhost:44319 2023/05/17 22:31:48 checking machine... 2023/05/17 22:31:48 checking revisions... [ 39.607171] kmemleak: Automatic memory scanning thread ended 2023/05/17 22:31:48 testing simple program... [ 39.675423] cgroup: Unknown subsys name 'net' [ 39.752019] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program [ 53.331296] audit: type=1400 audit(1684362722.481:6): 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 [ 54.454866] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 54.456796] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 54.459470] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 54.462169] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 54.463630] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 54.464872] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 executing program [ 54.869640] ------------[ cut here ]------------ [ 54.870291] sysctl net/ipv4/ipfrag_low_thresh: data points to kernel global data: ipfrag_low_thresh_unused [ 54.872057] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.873160] Modules linked in: [ 54.873566] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 54.875135] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.879446] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.880245] 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 [ 54.882442] RSP: 0018:ffff88801ea67c00 EFLAGS: 00010282 [ 54.883147] RAX: 0000000000000000 RBX: ffff88800cbcc040 RCX: 0000000000000000 [ 54.884038] RDX: ffff88800fbdd1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 54.884940] RBP: ffff88800cbcc054 R08: 0000000000000001 R09: 0000000000000000 [ 54.885835] R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000 [ 54.886733] R13: ffffffff84e23fe0 R14: ffff88800cbcc048 R15: ffffffff84d74dc0 [ 54.887622] FS: 0000555556018400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.888644] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.889362] CR2: 00007fdea88c66f4 CR3: 00000000202c4000 CR4: 0000000000350ee0 [ 54.890256] Call Trace: [ 54.890582] [ 54.890909] ? __pfx_ipv4_frags_init_net+0x10/0x10 [ 54.891521] ipv4_frags_init_net+0x269/0x440 [ 54.892116] ops_init+0xbb/0x6b0 [ 54.892575] setup_net+0x3d9/0x990 [ 54.893065] ? down_read_killable+0x1d7/0x4e0 [ 54.893660] ? __pfx_setup_net+0x10/0x10 [ 54.894168] ? copy_net_ns+0x17c/0x770 [ 54.894708] copy_net_ns+0x321/0x770 [ 54.895185] create_new_namespaces+0x3f6/0xb30 [ 54.895803] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.896419] ksys_unshare+0x44d/0x8e0 [ 54.896954] ? __pfx_ksys_unshare+0x10/0x10 [ 54.897499] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.898229] __x64_sys_unshare+0x31/0x40 [ 54.898770] do_syscall_64+0x3f/0x90 [ 54.899252] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.899918] RIP: 0033:0x7ff4dd8a20d7 [ 54.900382] 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 [ 54.902546] RSP: 002b:00007fff974dd728 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.903498] RAX: ffffffffffffffda RBX: 00007fff974ddd68 RCX: 00007ff4dd8a20d7 [ 54.904397] RDX: 00007ff4dd90c41f RSI: 00007fff974dd6c0 RDI: 0000000040000000 [ 54.905282] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff974dd4d0 [ 54.906174] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff4dd9b4bf0 [ 54.907056] R13: 00007fff974dd800 R14: 0000000000000000 R15: 00000000000000f8 [ 54.907966] [ 54.908265] irq event stamp: 8739 [ 54.908737] hardirqs last enabled at (8751): [] __up_console_sem+0x78/0x80 [ 54.909800] hardirqs last disabled at (8762): [] __up_console_sem+0x5d/0x80 [ 54.910863] softirqs last enabled at (8300): [] irq_exit_rcu+0x93/0xc0 [ 54.911878] softirqs last disabled at (8245): [] irq_exit_rcu+0x93/0xc0 [ 54.912906] ---[ end trace 0000000000000000 ]--- [ 54.918350] ------------[ cut here ]------------ [ 54.918963] sysctl net/ipv6/ip6frag_low_thresh: data points to kernel global data: ip6_frags_low_thresh_unused [ 54.920619] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.921675] Modules linked in: [ 54.922083] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 54.923246] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.924258] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.924952] 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 [ 54.927109] RSP: 0018:ffff88801ea67c00 EFLAGS: 00010282 [ 54.927797] RAX: 0000000000000000 RBX: ffff88800f0b7c40 RCX: 0000000000000000 [ 54.928709] RDX: ffff88800fbdd1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 54.929572] RBP: ffff88800f0b7c54 R08: 0000000000000001 R09: 0000000000000000 [ 54.930460] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.931351] R13: ffffffff84e23fe0 R14: ffff88800f0b7c48 R15: ffffffff84da7d60 [ 54.932233] FS: 0000555556018400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.933236] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.933981] CR2: 00007fdea88c66f4 CR3: 00000000202c4000 CR4: 0000000000350ee0 [ 54.934873] Call Trace: [ 54.935201] [ 54.935499] ? __pfx_ipv6_frags_init_net+0x10/0x10 [ 54.936142] ipv6_frags_init_net+0x206/0x3c0 [ 54.936746] ops_init+0xbb/0x6b0 [ 54.937194] setup_net+0x3d9/0x990 [ 54.937677] ? down_read_killable+0x1d7/0x4e0 [ 54.938243] ? __pfx_setup_net+0x10/0x10 [ 54.938777] ? copy_net_ns+0x17c/0x770 [ 54.939287] copy_net_ns+0x321/0x770 [ 54.939803] create_new_namespaces+0x3f6/0xb30 [ 54.940432] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.941122] ksys_unshare+0x44d/0x8e0 [ 54.941638] ? __pfx_ksys_unshare+0x10/0x10 [ 54.942189] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.942942] __x64_sys_unshare+0x31/0x40 [ 54.943460] do_syscall_64+0x3f/0x90 [ 54.943965] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.944652] RIP: 0033:0x7ff4dd8a20d7 [ 54.945119] 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 [ 54.947278] RSP: 002b:00007fff974dd728 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.948233] RAX: ffffffffffffffda RBX: 00007fff974ddd68 RCX: 00007ff4dd8a20d7 [ 54.949144] RDX: 00007ff4dd90c41f RSI: 00007fff974dd6c0 RDI: 0000000040000000 [ 54.950026] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff974dd4d0 [ 54.950911] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff4dd9b4bf0 [ 54.951813] R13: 00007fff974dd800 R14: 0000000000000000 R15: 00000000000000f8 [ 54.952749] [ 54.953053] irq event stamp: 10665 [ 54.953476] hardirqs last enabled at (10675): [] __up_console_sem+0x78/0x80 [ 54.954529] hardirqs last disabled at (10686): [] __up_console_sem+0x5d/0x80 [ 54.955583] softirqs last enabled at (10650): [] irq_exit_rcu+0x93/0xc0 [ 54.956659] softirqs last disabled at (10641): [] irq_exit_rcu+0x93/0xc0 [ 54.957692] ---[ end trace 0000000000000000 ]--- [ 54.959010] ------------[ cut here ]------------ [ 54.959669] sysctl net/netfilter/nf_conntrack_frag6_low_thresh: data points to kernel global data: nf_conntrack_frag6_low_thresh_unused [ 54.961516] WARNING: CPU: 1 PID: 258 at net/sysctl_net.c:155 register_net_sysctl+0x1e6/0x2c0 [ 54.962572] Modules linked in: [ 54.963001] CPU: 1 PID: 258 Comm: syz-executor.0 Tainted: G W 6.4.0-rc2-next-20230517 #1 [ 54.964152] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 54.965181] RIP: 0010:register_net_sysctl+0x1e6/0x2c0 [ 54.965861] 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 [ 54.968024] RSP: 0018:ffff88801ea67bf0 EFLAGS: 00010286 [ 54.968741] RAX: 0000000000000000 RBX: ffff88800f0b7640 RCX: 0000000000000000 [ 54.969626] RDX: ffff88800fbdd1c0 RSI: ffffffff81171ad2 RDI: 0000000000000001 [ 54.970472] RBP: ffff88800f0b7654 R08: 0000000000000001 R09: 0000000000000000 [ 54.971366] R10: 0000000000000000 R11: 0000000000000001 R12: dffffc0000000000 [ 54.972248] R13: ffffffff84e23fe0 R14: ffff88800f0b7648 R15: ffffffff84db0aa0 [ 54.973154] FS: 0000555556018400(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 [ 54.974153] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 54.974902] CR2: 00007fdea88c66f4 CR3: 00000000202c4000 CR4: 0000000000350ee0 [ 54.975794] Call Trace: [ 54.976123] [ 54.976425] nf_ct_net_init+0x224/0x3d0 [ 54.977001] ? __pfx_nf_ct_net_init+0x10/0x10 [ 54.977581] ops_init+0xbb/0x6b0 [ 54.978063] setup_net+0x3d9/0x990 [ 54.978514] ? down_read_killable+0x1d7/0x4e0 [ 54.979109] ? __pfx_setup_net+0x10/0x10 [ 54.979651] ? copy_net_ns+0x17c/0x770 [ 54.980156] copy_net_ns+0x321/0x770 [ 54.980700] create_new_namespaces+0x3f6/0xb30 [ 54.981277] unshare_nsproxy_namespaces+0xc1/0x200 [ 54.981924] ksys_unshare+0x44d/0x8e0 [ 54.982410] ? __pfx_ksys_unshare+0x10/0x10 [ 54.982984] ? __pfx_blkcg_maybe_throttle_current+0x10/0x10 [ 54.983721] __x64_sys_unshare+0x31/0x40 [ 54.984231] do_syscall_64+0x3f/0x90 [ 54.984749] entry_SYSCALL_64_after_hwframe+0x72/0xdc [ 54.985383] RIP: 0033:0x7ff4dd8a20d7 [ 54.985871] 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 [ 54.988036] RSP: 002b:00007fff974dd728 EFLAGS: 00000206 ORIG_RAX: 0000000000000110 [ 54.988997] RAX: ffffffffffffffda RBX: 00007fff974ddd68 RCX: 00007ff4dd8a20d7 [ 54.989870] RDX: 00007ff4dd90c41f RSI: 00007fff974dd6c0 RDI: 0000000040000000 [ 54.990763] RBP: 00000000ffffffff R08: 0000000000000000 R09: 00007fff974dd4d0 [ 54.991648] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ff4dd9b4bf0 [ 54.992500] R13: 00007fff974dd800 R14: 0000000000000000 R15: 00000000000000f8 [ 54.993421] [ 54.993752] irq event stamp: 11443 [ 54.994185] hardirqs last enabled at (11453): [] __up_console_sem+0x78/0x80 [ 54.995243] hardirqs last disabled at (11464): [] __up_console_sem+0x5d/0x80 [ 54.996296] softirqs last enabled at (11350): [] irq_exit_rcu+0x93/0xc0 [ 54.997336] softirqs last disabled at (11345): [] irq_exit_rcu+0x93/0xc0 [ 54.998374] ---[ end trace 0000000000000000 ]--- [ 56.538317] Bluetooth: hci0: command 0x0409 tx timeout executing program [ 58.585728] Bluetooth: hci0: command 0x041b tx timeout executing program [ 60.632675] Bluetooth: hci0: command 0x040f tx timeout [ 62.680677] Bluetooth: hci0: command 0x0419 tx timeout executing program VM DIAGNOSIS: 22:32:01 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000001 RCX=ffff88806ce099b8 RDX=1ffff1100d9c135c RSI=ffffffff86613e58 RDI=ffff88806ce09aa0 RBP=ffff88806ce09af8 RSP=ffff88806ce09a30 R8 =0000000000000001 R9 =ffffffff8542b168 R10=ffffffff85d35a17 R11=0000000000000001 R12=ffff88806ce09b00 R13=ffff88806ce09ae8 R14=ffff88806ce09ae1 R15=ffff88806ce09aa0 RIP=ffffffff811303ca RFL=00000216 [----AP-] 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 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=00007fe537b3bde0 CR3=00000000069b4000 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=2034303a32333a32322037312079614d XMM01=5d3636353337382e34352020205b203a XMM02=75636578652d7a7973203a6d6d6f4320 XMM03=20202020202020572020202020202020 XMM04=6e2d3263722d302e342e362020202020 XMM05=3a6465746e69615420302e726f747563 XMM06=32203a4449502031203a555043205d36 XMM07=6e72656b2072656c6c616b7a79732034 XMM08=7475636578652d7a7973223d6d6d6f63 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000061 RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82507f85 RDI=ffffffff87f2dc00 RBP=ffffffff87f2dbc0 RSP=ffff88801ea67618 R8 =0000000000000001 R9 =000000000000000a R10=0000000000000061 R11=0000000000000001 R12=0000000000000061 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 0000555556018400 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=00007fdea88c66f4 CR3=00000000202c4000 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